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/*
* bltTreeView.c --
*
* This module implements an hierarchy widget for the BLT toolkit.
*
* Copyright 1998-1999 Lucent Technologies, Inc.
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that the above copyright notice appear in all
* copies and that both that the copyright notice and warranty
* disclaimer appear in supporting documentation, and that the names
* of Lucent Technologies or any of their entities not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission.
*
* Lucent Technologies disclaims all warranties with regard to this
* software, including all implied warranties of merchantability and
* fitness. In no event shall Lucent Technologies be liable for any
* special, indirect or consequential damages or any damages
* whatsoever resulting from loss of use, data or profits, whether in
* an action of contract, negligence or other tortuous action, arising
* out of or in connection with the use or performance of this
* software.
*
* The "treeview" widget was created by George A. Howlett.
* Extensive cleanups and enhancements by Peter MacDonald.
*
* Derived from the blt2.5 sources from sourceforge which
* according to George, uses the BSD license.
*/
#include "bltInt.h"
#ifndef NO_TREEVIEW
#include "bltTreeView.h"
#define BUTTON_PAD 2
#define BUTTON_IPAD 1
#define BUTTON_SIZE 7
#define COLUMN_PAD 2
#define FOCUS_WIDTH 1
#define ICON_PADX 2
#define ICON_PADY 1
#define LABEL_PADX 3
#define LABEL_PADY 0
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#define DEF_ICON_WIDTH 8
#define DEF_ICON_HEIGHT 8
static Blt_TreeApplyProc DeleteApplyProc;
static Blt_TreeApplyProc CreateApplyProc;
static Blt_OptionParseProc ObjToTree;
static Blt_OptionPrintProc TreeToObj;
static Blt_OptionFreeProc FreeTree;
Blt_CustomOption bltTreeViewTreeOption =
{
ObjToTree, TreeToObj, FreeTree, NULL,
};
static Blt_OptionParseProc ObjToIcons;
static Blt_OptionPrintProc IconsToObj;
static Blt_OptionFreeProc FreeIcons;
Blt_CustomOption bltTreeViewIconsOption =
{
/* Contains a pointer to the widget that's currently being
* configured. This is used in the custom configuration parse
* routine for icons. */
ObjToIcons, IconsToObj, FreeIcons, NULL,
};
static Blt_OptionParseProc ObjToIsopen;
static Blt_OptionPrintProc IsopenToObj;
Blt_CustomOption bltTreeViewIsOpenOption = {
ObjToIsopen, IsopenToObj, NULL, NULL,
};
static Blt_OptionParseProc ObjToButton;
static Blt_OptionPrintProc ButtonToObj;
static Blt_CustomOption buttonOption = {
ObjToButton, ButtonToObj, NULL, NULL,
};
static Blt_OptionParseProc ObjToUid;
static Blt_OptionPrintProc UidToObj;
static Blt_OptionFreeProc FreeUid;
Blt_CustomOption bltTreeViewUidOption = {
ObjToUid, UidToObj, FreeUid, NULL,
};
static Blt_OptionParseProc ObjToScrollmode;
static Blt_OptionPrintProc ScrollmodeToObj;
static Blt_CustomOption scrollmodeOption = {
ObjToScrollmode, ScrollmodeToObj, NULL, NULL,
};
static Blt_OptionParseProc ObjToSelectmode;
static Blt_OptionPrintProc SelectmodeToObj;
static Blt_CustomOption selectmodeOption = {
ObjToSelectmode, SelectmodeToObj, NULL, NULL,
};
static Blt_OptionParseProc ObjToSeparator;
static Blt_OptionPrintProc SeparatorToObj;
static Blt_OptionFreeProc FreeSeparator;
static Blt_CustomOption separatorOption = {
ObjToSeparator, SeparatorToObj, FreeSeparator, NULL,
};
static Blt_OptionParseProc ObjToLabel;
static Blt_OptionPrintProc LabelToObj;
static Blt_OptionFreeProc FreeLabel;
Blt_CustomOption bltTreeViewLabelOption =
{
ObjToLabel, LabelToObj, FreeLabel, NULL,
};
#define DEF_BUTTON_ACTIVE_BACKGROUND RGB_WHITE
#define DEF_BUTTON_ACTIVE_BG_MONO STD_ACTIVE_BG_MONO
#define DEF_BUTTON_ACTIVE_FOREGROUND STD_ACTIVE_FOREGROUND
#define DEF_BUTTON_ACTIVE_FG_MONO STD_ACTIVE_FG_MONO
#define DEF_BUTTON_BORDERWIDTH "1"
#if (TK_MAJOR_VERSION == 4)
#define DEF_BUTTON_CLOSE_RELIEF "flat"
#define DEF_BUTTON_OPEN_RELIEF "flat"
#else
#define DEF_BUTTON_CLOSE_RELIEF "solid"
#define DEF_BUTTON_OPEN_RELIEF "solid"
#endif
#define DEF_BUTTON_NORMAL_BACKGROUND RGB_WHITE
#define DEF_BUTTON_NORMAL_BG_MONO STD_NORMAL_BG_MONO
#define DEF_BUTTON_NORMAL_FOREGROUND STD_NORMAL_FOREGROUND
#define DEF_BUTTON_NORMAL_FG_MONO STD_NORMAL_FG_MONO
#define DEF_BUTTON_SIZE "7"
/* RGB_LIGHTBLUE1 */
#define DEF_TV_ACT_COL_SHOW "False"
#define DEF_TV_ACT_ENTRY_SHOW "False"
#define DEF_TV_ACTIVE_FOREGROUND "black"
#define DEF_TV_ACTIVE_ICONS (char*)NULL
#define DEF_TV_ACTIVE_LEAFICONS (char*)NULL
#define DEF_TV_ACTIVE_RELIEF "flat"
#define DEF_TV_ACTIVE_STIPPLE "gray25"
#define DEF_TV_ALLOW_DUPLICATES "yes"
#define DEF_TV_BACKGROUND "white"
#define DEF_TV_BORDERWIDTH STD_BORDERWIDTH
#define DEF_TV_BUTTON "auto"
#define DEF_TV_DASHES "dot"
#define DEF_TV_EXPORT_SELECTION "no"
#define DEF_TV_FOREGROUND STD_NORMAL_FOREGROUND
#define DEF_TV_FG_MONO STD_NORMAL_FG_MONO
#define DEF_TV_FILL_NULL "yes"
#define DEF_TV_FLAT "no"
#define DEF_TV_FOCUS_DASHES "dot"
#define DEF_TV_FOCUS_EDIT "no"
#define DEF_TV_FOCUS_FOREGROUND STD_ACTIVE_FOREGROUND
#define DEF_TV_FOCUS_FG_MONO STD_ACTIVE_FG_MONO
#define DEF_TV_FONT "Helvetica -12"
#define DEF_TV_TITLEFONT "Helvetica -12 bold"
#define DEF_TV_HEIGHT "200"
#define DEF_TV_HIDE_LEAVES "no"
#define DEF_TV_HIDE_ICONS "no"
#define DEF_TV_HIDE_STYLE_ICONS "no"
#define DEF_TV_HIDE_STYLE_TEXT "no"
#define DEF_TV_HIDE_ROOT "yes"
#define DEF_TV_FOCUS_HIGHLIGHT_BACKGROUND STD_NORMAL_BACKGROUND
#define DEF_TV_FOCUS_HIGHLIGHT_COLOR "black"
#define DEF_TV_FOCUS_HIGHLIGHT_WIDTH "2"
#define DEF_TV_ICONS "blt::tv::normalOpenFolder blt::tv::normalCloseFolder"
#define DEF_TV_LEAFICONS "blt::tv::empty"
#define DEF_TV_VLINE_COLOR RGB_GREY50
#define DEF_TV_VLINE_MONO STD_NORMAL_FG_MONO
#define DEF_TV_INLINEIMG "yes"
#define DEF_TV_INSERTFIRST "1"
#define DEF_TV_FOCUSHEIGHT "1"
#define DEF_TV_LINESPACING "0"
#define DEF_TV_LINEWIDTH "1"
#define DEF_TV_MINHEIGHT "0"
#define DEF_TV_MAKE_PATH "no"
#define DEF_TV_NEW_TAGS "no"
#define DEF_TV_NOAUTO_CLOSE_LEAF "no"
#define DEF_TV_NORMAL_BACKGROUND STD_NORMAL_BACKGROUND
#define DEF_TV_NORMAL_FG_MONO STD_ACTIVE_FG_MONO
#define DEF_TV_RELIEF "sunken"
#define DEF_TV_OPENANCHOR "center"
#define DEF_TV_RESIZE_CURSOR "arrow"
#define DEF_TV_RULEWIDTH "0"
#define DEF_TV_SCROLL_INCREMENT "20"
#define DEF_TV_SCROLL_MODE "hierbox"
#define DEF_TV_SELECT_BACKGROUND "#4A6983"
#define DEF_TV_ROOT_NODE "0"
#define DEF_TV_RULE_BACKGROUND "black"
#define DEF_TV_RULE_WIDTH "0"
#define DEF_TV_SELECT_BG_MONO STD_SELECT_BG_MONO
#define DEF_TV_SELECT_BORDERWIDTH "1"
#define DEF_TV_SELECT_FOREGROUND "#ffffff"
#define DEF_TV_SELECT_FG_MONO STD_SELECT_FG_MONO
#define DEF_TV_SELECT_MODE "single"
#define DEF_TV_SELECT_RELIEF "flat"
#define DEF_TV_SHOW_ROOT "yes"
#define DEF_TV_SHOW_TITLES "yes"
#define DEF_TV_SORT_SELECTION "no"
#define DEF_TV_TAKE_FOCUS "1"
#define DEF_TV_TEXT_COLOR STD_NORMAL_FOREGROUND
#define DEF_TV_TEXT_MONO STD_NORMAL_FG_MONO
#define DEF_TV_TEXT_DISABLED_COLOR "DarkGray"
#define DEF_TV_TRIMLEFT ""
#define DEF_TV_WIDTH "200"
#define DEF_TV_SCROLL_TILE "no"
extern Tk_CustomOption bltTileOption;
Blt_ConfigSpec bltTreeViewButtonSpecs[] =
{
{BLT_CONFIG_BORDER, "-activebackground", "activeButBackground", "ButBackground",
(char *)NULL, Blt_Offset(TreeView, button.activeBorder),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_SYNONYM, "-activebg", (char *)NULL, (char *)NULL,
(char *)NULL, 0, 0, (ClientData)"-activebackground"},
{BLT_CONFIG_SYNONYM, "-activefg", (char *)NULL, (char *)NULL,
(char *)NULL, 0, 0, (ClientData)"-activeforeground"},
{BLT_CONFIG_COLOR, "-activeforeground", "activeForeground", "Foreground",
DEF_BUTTON_ACTIVE_FOREGROUND,
Blt_Offset(TreeView, button.activeFgColor), 0},
{BLT_CONFIG_CUSTOM, "-activeimages", "activeImages", "Icons",
(char *)NULL, Blt_Offset(TreeView, button.activeicons), BLT_CONFIG_NULL_OK,
&bltTreeViewIconsOption},
{BLT_CONFIG_BORDER, "-background", "Butbackground", "ButBackground",
(char*)NULL, Blt_Offset(TreeView, button.border), BLT_CONFIG_NULL_OK},
{BLT_CONFIG_SYNONYM, "-bd", (char *)NULL, (char *)NULL, (char *)NULL, 0,
0, (ClientData)"-borderwidth"},
{BLT_CONFIG_SYNONYM, "-bg", (char *)NULL, (char *)NULL, (char *)NULL, 0, 0, (ClientData)"-background"},
{BLT_CONFIG_DISTANCE, "-borderwidth", "borderWidth", "BorderWidth",
DEF_BUTTON_BORDERWIDTH, Blt_Offset(TreeView, button.borderWidth),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_RELIEF, "-closerelief", "closeRelief", "Relief",
DEF_BUTTON_CLOSE_RELIEF, Blt_Offset(TreeView, button.closeRelief),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_SYNONYM, "-fg", (char *)NULL, (char *)NULL, (char *)NULL, 0, 0,
(ClientData)"-foreground"},
{BLT_CONFIG_COLOR, "-foreground", "foreground", "Foreground",
DEF_BUTTON_NORMAL_FOREGROUND, Blt_Offset(TreeView, button.fgColor), 0},
{BLT_CONFIG_CUSTOM, "-images", "images", "Icons",
(char *)NULL, Blt_Offset(TreeView, button.icons), BLT_CONFIG_NULL_OK,
&bltTreeViewIconsOption},
{BLT_CONFIG_RELIEF, "-openrelief", "openRelief", "Relief",
DEF_BUTTON_OPEN_RELIEF, Blt_Offset(TreeView, button.openRelief),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_DISTANCE, "-size", "size", "Size",
DEF_BUTTON_SIZE, Blt_Offset(TreeView, button.reqSize), 0},
{BLT_CONFIG_END, (char *)NULL, (char *)NULL, (char *)NULL,
(char *)NULL, 0, 0}
};
Blt_ConfigSpec bltTreeViewEntrySpecs[] =
{
{BLT_CONFIG_CUSTOM, "-activeicons", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, activeIcons),
BLT_CONFIG_NULL_OK|BLT_CONFIG_DONT_SET_DEFAULT, &bltTreeViewIconsOption},
{BLT_CONFIG_BORDER, "-background", "entryBackground", "EntryBackground",
(char *)NULL, Blt_Offset(TreeViewEntry, border), BLT_CONFIG_NULL_OK},
{BLT_CONFIG_SYNONYM, "-bg", (char *)NULL, (char *)NULL, (char *)NULL,
0, 0, (ClientData)"-background"},
{BLT_CONFIG_CUSTOM, "-bindtags", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, tagsUid),
BLT_CONFIG_NULL_OK|BLT_CONFIG_DONT_SET_DEFAULT, &bltTreeViewUidOption},
{BLT_CONFIG_CUSTOM, "-button", (char *)NULL, (char *)NULL,
DEF_TV_BUTTON, Blt_Offset(TreeViewEntry, flags),
BLT_CONFIG_DONT_SET_DEFAULT, &buttonOption},
{BLT_CONFIG_CUSTOM, "-closecommand", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, closeCmd),
BLT_CONFIG_NULL_OK|BLT_CONFIG_DONT_SET_DEFAULT, &bltTreeViewUidOption},
{BLT_CONFIG_CUSTOM, "-data", (char *)NULL, (char *)NULL,
"", 0, 0, &bltTreeViewDataOption},
{BLT_CONFIG_SYNONYM, "-fg", (char *)NULL, (char *)NULL, (char *)NULL,
0, 0, (ClientData)"-foreground"},
{BLT_CONFIG_FONT, "-font", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, font),
BLT_CONFIG_NULL_OK|BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_BITFLAG, "-forcetree", "forceTree", "forceTree",
"False", Blt_Offset(TreeViewEntry, flags),
BLT_CONFIG_DONT_SET_DEFAULT, (Blt_CustomOption *)ENTRY_IS_TREE},
{BLT_CONFIG_COLOR, "-foreground", "entryforeground", (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, color),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_DISTANCE, "-height", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, reqHeight),
BLT_CONFIG_DONT_SET_DEFAULT|BLT_CONFIG_NULL_OK},
{BLT_CONFIG_CUSTOM, "-icons", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, icons),
BLT_CONFIG_NULL_OK|BLT_CONFIG_DONT_SET_DEFAULT, &bltTreeViewIconsOption},
/*{BLT_CONFIG_BOOLEAN, "-hide", (char *)NULL, (char *)NULL,
"no", Blt_Offset(TreeViewEntry, hide),
0},*/
{BLT_CONFIG_BITFLAG, "-hide", (char *)NULL, (char *)NULL,
"no", Blt_Offset(TreeViewEntry, flags),
BLT_CONFIG_DONT_SET_DEFAULT, (Blt_CustomOption *)ENTRY_HIDDEN },
{BLT_CONFIG_CUSTOM, "-isopen", (char *)NULL, (char *)NULL,
(char *)NULL, 0,
BLT_CONFIG_NULL_OK|BLT_CONFIG_DONT_SET_DEFAULT, &bltTreeViewIsOpenOption },
{BLT_CONFIG_CUSTOM, "-label", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, labelUid), BLT_CONFIG_DONT_SET_DEFAULT,
&bltTreeViewLabelOption},
{BLT_CONFIG_CUSTOM, "-opencommand", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, openCmd),
BLT_CONFIG_NULL_OK|BLT_CONFIG_DONT_SET_DEFAULT, &bltTreeViewUidOption },
{BLT_CONFIG_SHADOW, "-shadow", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, shadow),
BLT_CONFIG_NULL_OK | BLT_CONFIG_COLOR_ONLY | BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_SHADOW, "-shadow", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, shadow),
BLT_CONFIG_NULL_OK | BLT_CONFIG_MONO_ONLY | BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_STATE, "-state", "state", "State",
"0", Blt_Offset(TreeViewEntry, state),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_CUSTOM, "-style", "style", "Style",
(char *)NULL, Blt_Offset(TreeViewEntry, realStylePtr),
BLT_CONFIG_DONT_SET_DEFAULT|BLT_CONFIG_NULL_OK, &bltTreeViewStyleOption},
{BLT_CONFIG_STRING, "-sublabel", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, subLabel),
BLT_CONFIG_NULL_OK|BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_INT, "-underline", (char *)NULL, (char *)NULL,
"-1", Blt_Offset(TreeViewEntry, underline),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_STRING, "-userdata", (char *)NULL, (char *)NULL,
(char *)NULL, Blt_Offset(TreeViewEntry, userData),
BLT_CONFIG_NULL_OK|BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_END, (char *)NULL, (char *)NULL, (char *)NULL,
(char *)NULL, 0, 0}
};
extern Blt_CustomOption bltTreeViewStyleOption;
Blt_ConfigSpec bltTreeViewSpecs[] =
{
{BLT_CONFIG_CUSTOM, "-activeicons", "activeIcons", "Icons",
DEF_TV_ACTIVE_ICONS, Blt_Offset(TreeView, activeIcons),
BLT_CONFIG_NULL_OK, &bltTreeViewIconsOption},
{BLT_CONFIG_CUSTOM, "-activeleaficons", "activeLeafIcons", "LeafIcons",
DEF_TV_ACTIVE_LEAFICONS, Blt_Offset(TreeView, activeLeafIcons),
BLT_CONFIG_NULL_OK, &bltTreeViewIconsOption},
{BLT_CONFIG_BITFLAG,
"-allowduplicates", "allowDuplicates", "AllowDuplicates",
DEF_TV_ALLOW_DUPLICATES, Blt_Offset(TreeView, flags),
BLT_CONFIG_DONT_SET_DEFAULT, (Blt_CustomOption *)TV_ALLOW_DUPLICATES},
{BLT_CONFIG_CUSTOM, "-altstyle", "altStyle", "AltStyle",
(char *)NULL, Blt_Offset(TreeView, altStylePtr),
BLT_CONFIG_DONT_SET_DEFAULT| BLT_CONFIG_NULL_OK, &bltTreeViewStyleOption},
{BLT_CONFIG_BITFLAG, "-autocreate", "autoCreate", "AutoCreate",
DEF_TV_MAKE_PATH, Blt_Offset(TreeView, flags),
BLT_CONFIG_DONT_SET_DEFAULT, (Blt_CustomOption *)TV_FILL_ANCESTORS},
{BLT_CONFIG_BORDER, "-background", "background", "Background",
DEF_TV_BACKGROUND, Blt_Offset(TreeView, border), 0},
{BLT_CONFIG_SYNONYM, "-bd", (char *)NULL, (char *)NULL, (char *)NULL,
0, 0, (ClientData)"-borderwidth"},
{BLT_CONFIG_SYNONYM, "-bg", (char *)NULL, (char *)NULL, (char *)NULL,
0, 0, (ClientData)"-background"},
{BLT_CONFIG_DISTANCE, "-borderwidth", "borderWidth", "BorderWidth",
DEF_TV_BORDERWIDTH, Blt_Offset(TreeView, borderWidth),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_CUSTOM, "-button", "button", "Button",
DEF_TV_BUTTON, Blt_Offset(TreeView, buttonFlags),
BLT_CONFIG_DONT_SET_DEFAULT, &buttonOption},
{BLT_CONFIG_STRING, "-closecommand", "closeCommand", "CloseCommand",
(char *)NULL, Blt_Offset(TreeView, closeCmd),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_BOOLEAN, "-columnshowhighlight", "ColumnShowHighlight", "ColumnShowHighlight",
DEF_TV_ACT_COL_SHOW, Blt_Offset(TreeView, actCol),
0},
{BLT_CONFIG_ACTIVE_CURSOR, "-cursor", "cursor", "Cursor",
(char *)NULL, Blt_Offset(TreeView, cursor), BLT_CONFIG_NULL_OK},
{BLT_CONFIG_DASHES, "-dashes", "dashes", "Dashes",
DEF_TV_DASHES, Blt_Offset(TreeView, dashes),
BLT_CONFIG_DONT_SET_DEFAULT},
/* {BLT_CONFIG_BORDER, "-disabledbackground", "disabledBackground",
"DisabledBackground", (char *)NULL, Blt_Offset(TreeView, disabledBorder),
BLT_CONFIG_DONT_SET_DEFAULT| BLT_CONFIG_NULL_OK}, */
{BLT_CONFIG_COLOR, "-disabledforeground", "disabledForeground",
"DisabledForeground", DEF_TV_TEXT_DISABLED_COLOR,
Blt_Offset(TreeView, disabledColor), 0 },
{BLT_CONFIG_CUSTOM, "-emptystyle", "emptyStyle", "EmptyStyle",
(char *)NULL, Blt_Offset(TreeView, emptyStylePtr),
BLT_CONFIG_DONT_SET_DEFAULT| BLT_CONFIG_NULL_OK, &bltTreeViewStyleOption},
{BLT_CONFIG_BOOLEAN, "-entryshowhighlight", "EntryShowHightlight", "EntryShowHightlight",
DEF_TV_ACT_ENTRY_SHOW, Blt_Offset(TreeView, actEntry),
0},
{BLT_CONFIG_BITFLAG, "-exportselection", "exportSelection",
"ExportSelection", DEF_TV_EXPORT_SELECTION,
Blt_Offset(TreeView, flags), BLT_CONFIG_DONT_SET_DEFAULT,
(Blt_CustomOption *)TV_SELECT_EXPORT},
{BLT_CONFIG_SYNONYM, "-fg", (char *)NULL , (char *)NULL, (char *)NULL,
0, 0, (ClientData)"-foreground"},
{BLT_CONFIG_BITFLAG, "-fillnull", "fillNull",
"FillNull", DEF_TV_FILL_NULL,
Blt_Offset(TreeView, flags), BLT_CONFIG_DONT_SET_DEFAULT,
(Blt_CustomOption *)TV_FILL_NULL},
{BLT_CONFIG_BOOLEAN, "-flat", "flat", "Flat",
DEF_TV_FLAT, Blt_Offset(TreeView, flatView),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_DASHES, "-focusdashes", "focusDashes", "FocusDashes",
DEF_TV_FOCUS_DASHES, Blt_Offset(TreeView, focusDashes),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_COLOR,
"-focusforeground", "focusForeground", "FocusForeground",
DEF_TV_FOCUS_FOREGROUND, Blt_Offset(TreeView, focusColor),
BLT_CONFIG_COLOR_ONLY},
{BLT_CONFIG_COLOR,
"-focusforeground", "focusForeground", "FocusForeground",
DEF_TV_FOCUS_FG_MONO, Blt_Offset(TreeView, focusColor),
BLT_CONFIG_MONO_ONLY},
{BLT_CONFIG_INT, "-focusheight", "focusHeight", "FocusHeight",
DEF_TV_FOCUSHEIGHT, Blt_Offset(TreeView, focusHeight), 0},
{BLT_CONFIG_FONT, "-font", "font", "Font",
DEF_TV_FONT, Blt_Offset(TreeView, font), 0},
{BLT_CONFIG_COLOR, "-foreground", "foreground", "Foreground",
DEF_TV_TEXT_COLOR, Blt_Offset(TreeView, fgColor),
BLT_CONFIG_COLOR_ONLY},
{BLT_CONFIG_COLOR, "-foreground", "foreground", "Foreground",
DEF_TV_TEXT_MONO, Blt_Offset(TreeView, fgColor),
BLT_CONFIG_MONO_ONLY},
{BLT_CONFIG_OBJCMD, "-formatcmd", "formatCmd", "FormatCmd",
NULL, Blt_Offset(TreeView, formatCmd),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_DISTANCE, "-height", "height", "Height",
DEF_TV_HEIGHT, Blt_Offset(TreeView, reqHeight),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_BITFLAG, "-hideicons", "hideIcons", "HideIcons",
DEF_TV_HIDE_ICONS, Blt_Offset(TreeView, flags), 0,
(Blt_CustomOption *)TV_HIDE_ICONS},
{BLT_CONFIG_BITFLAG, "-hideleaves", "hideLeaves", "HideLeaves",
DEF_TV_HIDE_LEAVES, Blt_Offset(TreeView, flags),
BLT_CONFIG_DONT_SET_DEFAULT, (Blt_CustomOption *)TV_HIDE_LEAVES},
{BLT_CONFIG_BITFLAG, "-hideroot", "hideRoot", "HideRoot",
DEF_TV_HIDE_ROOT, Blt_Offset(TreeView, flags),
BLT_CONFIG_DONT_SET_DEFAULT, (Blt_CustomOption *)TV_HIDE_ROOT},
{BLT_CONFIG_BOOLEAN, "-hidedataicons", "hideDataIcons", "HideDataIcons",
DEF_TV_HIDE_STYLE_ICONS, Blt_Offset(TreeView, hideStyleIcons), 0, },
{BLT_CONFIG_BOOLEAN, "-hidedatatext", "hideDataText", "HideDataText",
DEF_TV_HIDE_STYLE_TEXT, Blt_Offset(TreeView, hideStyleText), 0, },
{BLT_CONFIG_COLOR, "-highlightbackground", "highlightBackground",
"HighlightBackground", DEF_TV_FOCUS_HIGHLIGHT_BACKGROUND,
Blt_Offset(TreeView, highlightBgColor), 0},
{BLT_CONFIG_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
DEF_TV_FOCUS_HIGHLIGHT_COLOR, Blt_Offset(TreeView, highlightColor), 0},
{BLT_CONFIG_PIXELS, "-highlightthickness", "highlightThickness",
"HighlightThickness", DEF_TV_FOCUS_HIGHLIGHT_WIDTH,
Blt_Offset(TreeView, highlightWidth), BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_CUSTOM, "-icons", "icons", "Icons",
DEF_TV_ICONS, Blt_Offset(TreeView, icons),
BLT_CONFIG_NULL_OK, &bltTreeViewIconsOption},
{BLT_CONFIG_OBJCMD, "-imagecmd", "ImageCmd", "ImageCmd",
NULL, Blt_Offset(TreeView, imageCmd),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_BOOLEAN, "-inlinedata", "inlineData", "InlineData",
DEF_TV_INLINEIMG, Blt_Offset(TreeView, inlineImg), 0},
{BLT_CONFIG_INT, "-insertfirst", "insertFirst", "InsertFirst",
DEF_TV_INSERTFIRST, Blt_Offset(TreeView, insertFirst), 0},
{BLT_CONFIG_CUSTOM, "-leaficons", "leafIcons", "LeafIcons",
DEF_TV_LEAFICONS, Blt_Offset(TreeView, leafIcons),
BLT_CONFIG_NULL_OK, &bltTreeViewIconsOption},
{BLT_CONFIG_DISTANCE, "-levelpad", "levelPad", "LevelPad",
"0", Blt_Offset(TreeView, levelPad), 0},
{BLT_CONFIG_CUSTOM, "-levelstyles", "levelStyles", "LevelStyles",
(char *)NULL, Blt_Offset(TreeView, levelStyles),
BLT_CONFIG_DONT_SET_DEFAULT| BLT_CONFIG_NULL_OK, &bltTreeViewStylesOption},
{BLT_CONFIG_INT, "-nextauto", (char *)NULL, (char *)NULL,
"1", Blt_Offset(TreeView, nextIdx), 0},
{BLT_CONFIG_INT, "-nextsubauto", (char *)NULL, (char *)NULL,
"1", Blt_Offset(TreeView, nextSubIdx), 0},
{BLT_CONFIG_BORDER, "-nofocusselectbackground", "noFocusSelectBackground",
"NoFocusSelectBackground", (char*)NULL,
Blt_Offset(TreeView, selOutFocusBorder), BLT_CONFIG_NULL_OK},
{BLT_CONFIG_INT, "-rootnode", "rootNode", "RootNode", DEF_TV_ROOT_NODE,
Blt_Offset(TreeView, rootNodeNum), 0},
{BLT_CONFIG_COLOR, "-nofocusselectforeground", "noFocusSelectForeground",
"NoFocusSelectForeground", (char*)NULL,
Blt_Offset(TreeView, selOutFocusFgColor), BLT_CONFIG_NULL_OK},
{BLT_CONFIG_COLOR, "-linecolor", "lineColor", "LineColor",
DEF_TV_VLINE_COLOR, Blt_Offset(TreeView, lineColor),
BLT_CONFIG_COLOR_ONLY},
{BLT_CONFIG_COLOR, "-linecolor", "lineColor", "LineColor",
DEF_TV_VLINE_MONO, Blt_Offset(TreeView, lineColor),
BLT_CONFIG_MONO_ONLY},
{BLT_CONFIG_DISTANCE, "-linespacing", "lineSpacing", "LineSpacing",
DEF_TV_LINESPACING, Blt_Offset(TreeView, leader),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_DISTANCE, "-linewidth", "lineWidth", "LineWidth",
DEF_TV_LINEWIDTH, Blt_Offset(TreeView, lineWidth),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_DISTANCE, "-minheight", "minHeight", "MinHeight",
DEF_TV_MINHEIGHT, Blt_Offset(TreeView, reqMin),
0},
{BLT_CONFIG_BITFLAG, "-newtags", "newTags", "NewTags",
DEF_TV_NEW_TAGS, Blt_Offset(TreeView, flags),
BLT_CONFIG_DONT_SET_DEFAULT, (Blt_CustomOption *)TV_NEW_TAGS},
{BLT_CONFIG_BITFLAG, "-noautocloseleaf", "noAutoCloseLeaf", "NoAutoCloseLeaf",
DEF_TV_NOAUTO_CLOSE_LEAF, Blt_Offset(TreeView, flags),
BLT_CONFIG_DONT_SET_DEFAULT, (Blt_CustomOption *)TV_NOAUTO_CLOSE_LEAF},
{BLT_CONFIG_ANCHOR, "-openanchor", "openAnchor", "OpenAnchor",
DEF_TV_OPENANCHOR, Blt_Offset(TreeView, openAnchor), BLT_CONFIG_NULL_OK},
{BLT_CONFIG_STRING, "-opencommand", "openCommand", "OpenCommand",
(char *)NULL, Blt_Offset(TreeView, openCmd), BLT_CONFIG_NULL_OK},
#if 1
{BLT_CONFIG_DISTANCE, "-padx", "padX", "Pad",
"0", Blt_Offset(TreeView, padX), 0},
{BLT_CONFIG_DISTANCE, "-pady", "padY", "Pad",
"0", Blt_Offset(TreeView, padY), 0},
#endif
{BLT_CONFIG_RELIEF, "-relief", "relief", "Relief",
DEF_TV_RELIEF, Blt_Offset(TreeView, relief), 0},
{BLT_CONFIG_CURSOR, "-resizecursor", "resizeCursor", "ResizeCursor",
DEF_TV_RESIZE_CURSOR, Blt_Offset(TreeView, resizeCursor), 0},
{BLT_CONFIG_CUSTOM, "-scrollmode", "scrollMode", "ScrollMode",
DEF_TV_SCROLL_MODE, Blt_Offset(TreeView, scrollMode),
BLT_CONFIG_DONT_SET_DEFAULT, &scrollmodeOption},
{BLT_CONFIG_BOOLEAN, "-scrolltile", "scrollTile", "ScrollTile",
DEF_TV_SCROLL_TILE, Tk_Offset(TreeView, scrollTile),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_BORDER, "-selectbackground", "selectBackground", "Background",
DEF_TV_SELECT_BACKGROUND, Blt_Offset(TreeView, selInFocusBorder), 0},
{BLT_CONFIG_DISTANCE,
"-selectborderwidth", "selectBorderWidth", "BorderWidth",
DEF_TV_SELECT_BORDERWIDTH, Blt_Offset(TreeView, selBorderWidth),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_STRING, "-selectcommand", "selectCommand", "SelectCommand",
(char *)NULL, Blt_Offset(TreeView, selectCmd), BLT_CONFIG_NULL_OK},
{BLT_CONFIG_COLOR, "-selectforeground", "selectForeground", "Foreground",
DEF_TV_SELECT_FOREGROUND, Blt_Offset(TreeView, selInFocusFgColor), 0},
{BLT_CONFIG_CUSTOM, "-selectmode", "selectMode", "SelectMode",
DEF_TV_SELECT_MODE, Blt_Offset(TreeView, selectMode),
BLT_CONFIG_DONT_SET_DEFAULT, &selectmodeOption},
{BLT_CONFIG_RELIEF, "-selectrelief", "selectRelief", "Relief",
DEF_TV_SELECT_RELIEF, Blt_Offset(TreeView, selRelief),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_TILE, "-selecttile", "selectTile", "SelectTile",
(char *)NULL, Tk_Offset(TreeView, selectTile), BLT_CONFIG_NULL_OK, },
{BLT_CONFIG_CUSTOM, "-separator", "separator", "Separator",
(char *)NULL, Blt_Offset(TreeView, pathSep), BLT_CONFIG_NULL_OK,
&separatorOption},
{BLT_CONFIG_BOOLEAN, "-showfull", "showFull", "ShowFull",
"1", Tk_Offset(TreeView, showFull),
0},
{BLT_CONFIG_BITFLAG, "-showtitles", "showTitles", "ShowTitles",
DEF_TV_SHOW_TITLES, Blt_Offset(TreeView, flags), 0,
(Blt_CustomOption *)TV_SHOW_COLUMN_TITLES},
{BLT_CONFIG_BITFLAG, "-sortselection", "sortSelection", "SortSelection",
DEF_TV_SORT_SELECTION, Blt_Offset(TreeView, flags),
BLT_CONFIG_DONT_SET_DEFAULT, (Blt_CustomOption *)TV_SELECT_SORTED},
{BLT_CONFIG_STRING, "-stylecommand", "styleCommand", "StyleCommand",
"%W style create textbox %V", Blt_Offset(TreeView, styleCmd), BLT_CONFIG_NULL_OK},
{BLT_CONFIG_CUSTOM, "-substyle", "subStyle", "SubStyle",
(char *)NULL, Blt_Offset(TreeView, subStylePtr),
BLT_CONFIG_DONT_SET_DEFAULT|BLT_CONFIG_NULL_OK, &bltTreeViewStyleOption},
{BLT_CONFIG_DISTANCE, "-underline", "underline", "Underline",
DEF_TV_RULE_WIDTH, Blt_Offset(TreeView, ruleWidth),
0},
{BLT_CONFIG_STRING, "-takefocus", "takeFocus", "TakeFocus",
DEF_TV_TAKE_FOCUS, Blt_Offset(TreeView, takeFocus),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_FONT, "-titlefont", "titleFont", "TitleFont",
DEF_TV_TITLEFONT, Blt_Offset(TreeView, titleFont), 0},
{BLT_CONFIG_DISTANCE, "-titlepad", "titlePad", "TitlePad",
"0", Blt_Offset(TreeView, titlePad), 0},
{BLT_CONFIG_CUSTOM, "-tree", "tree", "Tree",
(char *)NULL, Blt_Offset(TreeView, tree), BLT_CONFIG_NULL_OK,
&bltTreeViewTreeOption},
{BLT_CONFIG_TILE, "-tile", "tile", "Tile",
(char *)NULL, Tk_Offset(TreeView, tile), BLT_CONFIG_NULL_OK, },
{BLT_CONFIG_STRING, "-trim", "trim", "Trim",
DEF_TV_TRIMLEFT, Blt_Offset(TreeView, trimLeft),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_DISTANCE, "-width", "width", "Width",
DEF_TV_WIDTH, Blt_Offset(TreeView, reqWidth),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_STRING,
"-xscrollcommand", "xScrollCommand", "ScrollCommand",
(char *)NULL, Blt_Offset(TreeView, xScrollCmdPrefix),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_DISTANCE,
"-xscrollincrement", "xScrollIncrement", "ScrollIncrement",
DEF_TV_SCROLL_INCREMENT, Blt_Offset(TreeView, xScrollUnits),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_STRING,
"-yscrollcommand", "yScrollCommand", "ScrollCommand",
(char *)NULL, Blt_Offset(TreeView, yScrollCmdPrefix),
BLT_CONFIG_NULL_OK},
{BLT_CONFIG_DISTANCE,
"-yscrollincrement", "yScrollIncrement", "ScrollIncrement",
DEF_TV_SCROLL_INCREMENT, Blt_Offset(TreeView, yScrollUnits),
BLT_CONFIG_DONT_SET_DEFAULT},
{BLT_CONFIG_END, (char *)NULL, (char *)NULL, (char *)NULL,
(char *)NULL, 0, 0}
};
/* Forward Declarations */
static Blt_TreeNotifyEventProc TreeEventProc;
static Blt_TreeTraceProc TreeTraceProc;
static Tcl_CmdDeleteProc WidgetInstCmdDeleteProc;
static Tcl_FreeProc DestroyTreeView;
static Tcl_IdleProc DisplayTreeView;
static Tk_EventProc TreeViewEventProc;
static int ComputeVisibleEntries _ANSI_ARGS_((TreeView *tvPtr));
EXTERN int Blt_TreeCmdGetToken _ANSI_ARGS_((Tcl_Interp *interp,
CONST char *treeName, Blt_Tree *treePtr));
extern Blt_TreeApplyProc Blt_TreeViewSortApplyProc;
static Blt_BindPickProc PickItem;
static Blt_BindTagProc GetTags;
static Tcl_FreeProc DestroyEntry;
static Tcl_ObjCmdProc TreeViewObjCmd;
static Tk_ImageChangedProc IconChangedProc;
static Tk_SelectionProc SelectionProc;
static void widgetWorldChanged(ClientData clientData);
static Tk_ClassProcs treeviewClass = {
sizeof(Tk_ClassProcs), /* size */
widgetWorldChanged, /* worldChangedProc */
};
void Blt_TreeViewOptsInit(TreeView* tvPtr) {
bltTreeViewIconsOption.clientData = tvPtr;
bltTreeViewIconOption.clientData = tvPtr;
bltTreeViewStyleOption.clientData = tvPtr;
bltTreeViewStylesOption.clientData = tvPtr;
bltTreeViewTreeOption.clientData = tvPtr;
bltTreeViewColumnOption.clientData = tvPtr;
bltTreeViewLabelOption.clientData = tvPtr;
bltTreeViewDataOption.clientData = tvPtr;
bltTreeViewUidOption.clientData = tvPtr;
}
/*
*----------------------------------------------------------------------
*
* Blt_TreeViewEventuallyRedraw --
*
* Queues a request to redraw the widget at the next idle point.
*
* Results:
* None.
*
* Side effects:
* Information gets redisplayed. Right now we don't do selective
* redisplays: the whole window will be redrawn.
*
*----------------------------------------------------------------------
*/
void
Blt_TreeViewEventuallyRedraw(TreeView *tvPtr)
{
if ((tvPtr->tkwin != NULL) && ((tvPtr->flags & TV_REDRAW) == 0)) {
tvPtr->flags |= TV_REDRAW;
Tcl_DoWhenIdle(DisplayTreeView, tvPtr);
}
}
void
Blt_TreeViewTraceColumn(TreeView *tvPtr, TreeViewColumn *columnPtr)
{
if (columnPtr->trace != NULL) {
Blt_TreeDeleteTrace(columnPtr->trace);
}
columnPtr->trace = Blt_TreeCreateTrace(tvPtr->tree, NULL /* Node */,
columnPtr->key, NULL,
TREE_TRACE_FOREIGN_ONLY | TREE_TRACE_WRITE | TREE_TRACE_UNSET,
TreeTraceProc, tvPtr);
}
void
Blt_TreeViewUntraceColumn(TreeView *tvPtr, TreeViewColumn *columnPtr)
{
if (columnPtr->trace != NULL) {
Blt_TreeDeleteTrace(columnPtr->trace);
columnPtr->trace = NULL;
}
}
static void
TraceColumns(TreeView *tvPtr)
{
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
for(linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr); linkPtr != NULL;
linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
Blt_TreeViewTraceColumn(tvPtr, columnPtr);
}
}
static void
UntraceColumns(TreeView *tvPtr)
{
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
for(linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr); linkPtr != NULL;
linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
Blt_TreeViewUntraceColumn(tvPtr, columnPtr);
}
}
/*
*----------------------------------------------------------------------
*
* ObjToTree --
*
* Convert the string representing the name of a tree object
* into a tree token.
*
* Results:
* If the string is successfully converted, TCL_OK is returned.
* Otherwise, TCL_ERROR is returned and an error message is left
* in interpreter's result field.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
ObjToTree(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Interpreter to send results back to */
Tk_Window tkwin, /* Not used. */
Tcl_Obj *objPtr, /* Tcl_Obj representing the new value. */
char *widgRec,
int offset)
{
Blt_Tree *treePtr = (Blt_Tree *)(widgRec + offset);
Blt_Tree tree;
char *string;
tree = NULL;
string = Tcl_GetString(objPtr);
if ((string[0] != '\0') &&
(Blt_TreeGetToken(interp, string, &tree) != TCL_OK)) {
return TCL_ERROR;
}
*treePtr = tree;
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TreeToObj --
*
* Results:
* The string representation of the button boolean is returned.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static Tcl_Obj *
TreeToObj(
ClientData clientData, /* Not used. */
Tcl_Interp *interp,
Tk_Window tkwin, /* Not used. */
char *widgRec,
int offset)
{
Blt_Tree tree = *(Blt_Tree *)(widgRec + offset);
return Tcl_NewStringObj(tree?Blt_TreeName(tree):"", -1);
}
#if 0
/* In case of external tree, release entries manually. */
static void
ReleaseEntries( TreeView *tvPtr )
{
Blt_HashEntry *hPtr;
Blt_HashSearch cursor;
TreeViewEntry *entryPtr;
for (hPtr = Blt_FirstHashEntry(&tvPtr->entryTable, &cursor); hPtr != NULL;
hPtr = Blt_NextHashEntry(&cursor)) {
entryPtr = Blt_GetHashValue(hPtr);
if (entryPtr->node != tvPtr->rootNode) {
DestroyEntry((ClientData)entryPtr);
} else {
/* Release keys for root. */
TreeViewValue *lastPtr, *nextPtr, *valuePtr;
lastPtr = NULL;
for(valuePtr = entryPtr->values; valuePtr != NULL;
valuePtr = nextPtr) {
nextPtr = valuePtr->nextPtr;
if (valuePtr->columnPtr != &tvPtr->treeColumn) {
Blt_TreeViewWindowUpdate(entryPtr, valuePtr->columnPtr);
Blt_TreeViewDestroyValue(tvPtr, entryPtr, valuePtr);
if (lastPtr == NULL) {
entryPtr->values = nextPtr;
} else {
lastPtr->nextPtr = nextPtr;
}
}
lastPtr = valuePtr;
}
}
}
UntraceColumns(tvPtr);
}
#endif
static
void FreeTreeDo (Tcl_Interp *interp, TreeView *tvPtr, Blt_Tree treePtr) {
Blt_TreeNode root;
Blt_Tree newTree = tvPtr->tree;
if (treePtr == NULL) return;
/*
* Release the current tree, removing any entry fields.
*/
tvPtr->tree = treePtr;
root = Blt_TreeRootNode(treePtr);
Blt_TreeApply(root, DeleteApplyProc, tvPtr);
UntraceColumns(tvPtr);
/* TODO: release entries now if this was an external tree. */
/* ReleaseEntries(tvPtr); */
Blt_TreeViewClearSelection(tvPtr);
Blt_TreeReleaseToken(treePtr);
tvPtr->tree = newTree;
}
/*ARGSUSED*/
static int
FreeTree(
ClientData clientData,
Display *display, /* Not used. */
char *widgRec,
int offset,
char *oldPtr)
{
Blt_Tree tree = (Blt_Tree)(oldPtr);
TreeView *tvPtr = (TreeView*)clientData;
FreeTreeDo(tvPtr->interp, tvPtr, tree);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* ObjToScrollmode --
*
* Convert the string reprsenting a scroll mode, to its numeric
* form.
*
* Results:
* If the string is successfully converted, TCL_OK is returned.
* Otherwise, TCL_ERROR is returned and an error message is left
* in interpreter's result field.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
ObjToScrollmode(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Interpreter to send results back to */
Tk_Window tkwin, /* Not used. */
Tcl_Obj *objPtr, /* New legend position string */
char *widgRec,
int offset)
{
char *string;
char c;
int *modePtr = (int *)(widgRec + offset);
string = Tcl_GetString(objPtr);
c = string[0];
if ((c == 'l') && (strcmp(string, "listbox") == 0)) {
*modePtr = BLT_SCROLL_MODE_LISTBOX;
} else if ((c == 'h') && (strcmp(string, "hierbox") == 0)) {
*modePtr = BLT_SCROLL_MODE_HIERBOX;
} else if ((c == 'c') && (strcmp(string, "canvas") == 0)) {
*modePtr = BLT_SCROLL_MODE_CANVAS;
} else {
Tcl_AppendResult(interp, "bad scroll mode \"", string,
"\": should be \"hierbox\", \"listbox\", or \"canvas\"",
(char *)NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* ScrollmodeToObj --
*
* Results:
* The string representation of the button boolean is returned.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static Tcl_Obj *
ScrollmodeToObj(
ClientData clientData, /* Not used. */
Tcl_Interp *interp,
Tk_Window tkwin, /* Not used. */
char *widgRec,
int offset)
{
int mode = *(int *)(widgRec + offset);
switch (mode) {
case BLT_SCROLL_MODE_LISTBOX:
return Tcl_NewStringObj("listbox", -1);
case BLT_SCROLL_MODE_HIERBOX:
return Tcl_NewStringObj("hierbox", -1);
case BLT_SCROLL_MODE_CANVAS:
return Tcl_NewStringObj("canvas", -1);
default:
return Tcl_NewStringObj("unknown scroll mode", -1);
}
}
/*
*----------------------------------------------------------------------
*
* ObjToSelectmode --
*
* Convert the string reprsenting a scroll mode, to its numeric
* form.
*
* Results:
* If the string is successfully converted, TCL_OK is returned.
* Otherwise, TCL_ERROR is returned and an error message is left
* in interpreter's result field.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
ObjToSelectmode(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Interpreter to send results back to */
Tk_Window tkwin, /* Not used. */
Tcl_Obj *objPtr, /* Tcl_Obj representing the new value. */
char *widgRec,
int offset)
{
char *string;
char c;
int *modePtr = (int *)(widgRec + offset);
string = Tcl_GetString(objPtr);
c = string[0];
if ((c == 's') && (strcmp(string, "single") == 0)) {
*modePtr = SELECT_MODE_SINGLE;
} else if ((c == 'm') && (strcmp(string, "multiple") == 0)) {
*modePtr = SELECT_MODE_MULTIPLE;
} else if ((c == 'c') && (strcmp(string, "cell") == 0)) {
*modePtr = SELECT_MODE_CELL;
} else if ((c == 'm') && (strcmp(string, "multicell") == 0)) {
*modePtr = SELECT_MODE_MCELL;
} else if ((c == 'n') && (strcmp(string, "none") == 0)) {
*modePtr = SELECT_MODE_NONE;
} else if ((c == 'a') && (strcmp(string, "active") == 0)) {
*modePtr = SELECT_MODE_SINGLE;
} else {
Tcl_AppendResult(interp, "bad select mode \"", string,
"\": should be \"single\", \"multiple\" \"cell\", \"multicell\", or \"none\"", (char *)NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* SelectmodeToObj --
*
* Results:
* The string representation of the button boolean is returned.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static Tcl_Obj *
SelectmodeToObj(
ClientData clientData, /* Not used. */
Tcl_Interp *interp,
Tk_Window tkwin, /* Not used. */
char *widgRec,
int offset)
{
int mode = *(int *)(widgRec + offset);
switch (mode) {
case SELECT_MODE_SINGLE:
return Tcl_NewStringObj("single", -1);
case SELECT_MODE_MULTIPLE:
return Tcl_NewStringObj("multiple", -1);
case SELECT_MODE_CELL:
return Tcl_NewStringObj("cell", -1);
case SELECT_MODE_MCELL:
return Tcl_NewStringObj("multicell", -1);
case SELECT_MODE_NONE:
return Tcl_NewStringObj("none", -1);
default:
return Tcl_NewStringObj("unknown scroll mode", -1);
}
}
/*
*----------------------------------------------------------------------
*
* ObjToButton --
*
* Convert a string to one of three values.
* 0 - false, no, off
* 1 - true, yes, on
* 2 - auto
* Results:
* If the string is successfully converted, TCL_OK is returned.
* Otherwise, TCL_ERROR is returned and an error message is left in
* interpreter's result field.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
ObjToButton(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Interpreter to send results back to */
Tk_Window tkwin, /* Not used. */
Tcl_Obj *objPtr, /* Tcl_Obj representing the new value. */
char *widgRec,
int offset)
{
char *string;
int *flagsPtr = (int *)(widgRec + offset);
string = Tcl_GetString(objPtr);
if ((string[0] == 'a') && (strcmp(string, "auto") == 0)) {
*flagsPtr &= ~BUTTON_MASK;
*flagsPtr |= BUTTON_AUTO;
} else {
int bool;
if (Tcl_GetBooleanFromObj(interp, objPtr, &bool) != TCL_OK) {
return TCL_ERROR;
}
*flagsPtr &= ~BUTTON_MASK;
if (bool) {
*flagsPtr |= BUTTON_SHOW;
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* ButtonToObj --
*
* Results:
* The string representation of the button boolean is returned.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static Tcl_Obj *
ButtonToObj(
ClientData clientData, /* Not used. */
Tcl_Interp *interp,
Tk_Window tkwin, /* Not used. */
char *widgRec,
int offset)
{
int bool;
unsigned int flags = *(int *)(widgRec + offset);
bool = (flags & BUTTON_MASK);
if (bool == BUTTON_AUTO) {
return Tcl_NewStringObj("auto", 4);
} else {
return Tcl_NewBooleanObj(bool);
}
}
/*
*----------------------------------------------------------------------
*
* ObjToScrollmode --
*
* Convert the string reprsenting a scroll mode, to its numeric
* form.
*
* Results:
* If the string is successfully converted, TCL_OK is returned.
* Otherwise, TCL_ERROR is returned and an error message is left
* in interpreter's result field.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
ObjToSeparator(clientData, interp, tkwin, objPtr, widgRec, offset)
ClientData clientData; /* Not used. */
Tcl_Interp *interp; /* Interpreter to send results back to */
Tk_Window tkwin; /* Not used. */
Tcl_Obj *objPtr; /* Tcl_Obj representing the new value. */
char *widgRec;
int offset;
{
char **sepPtr = (char **)(widgRec + offset);
char *string;
string = Tcl_GetString(objPtr);
if (*string == '\0') {
*sepPtr = SEPARATOR_LIST;
} else if (strcmp(string, "none") == 0) {
*sepPtr = SEPARATOR_NONE;
} else {
*sepPtr = Blt_Strdup(string);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* SeparatorToObj --
*
* Results:
* The string representation of the separator is returned.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static Tcl_Obj *
SeparatorToObj(
ClientData clientData, /* Not used. */
Tcl_Interp *interp,
Tk_Window tkwin, /* Not used. */
char *widgRec,
int offset)
{
char *separator = *(char **)(widgRec + offset);
if (separator == SEPARATOR_NONE) {
return Tcl_NewStringObj("", -1);
} else if (separator == SEPARATOR_LIST) {
return Tcl_NewStringObj("list", -1);
} else {
return Tcl_NewStringObj(separator, -1);
}
}
/*
*----------------------------------------------------------------------
*
* FreeSeparator --
*
* Free the UID from the widget record, setting it to NULL.
*
* Results:
* The UID in the widget record is set to NULL.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
FreeSeparator(
ClientData clientData,
Display *display, /* Not used. */
char *widgRec,
int offset,
char *oldPtr)
{
char *separator = oldPtr;
if ((separator != SEPARATOR_LIST) && (separator != SEPARATOR_NONE)) {
Blt_Free(separator);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* ObjToLabel --
*
* Convert the string representing the label.
*
* Results:
* If the string is successfully converted, TCL_OK is returned.
* Otherwise, TCL_ERROR is returned and an error message is left
* in interpreter's result field.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
ObjToLabel(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Interpreter to send results back to */
Tk_Window tkwin, /* Not used. */
Tcl_Obj *objPtr, /* Tcl_Obj representing the new value. */
char *widgRec,
int offset)
{
UID *labelPtr = (UID *)(widgRec + offset);
char *string;
string = Tcl_GetString(objPtr);
if (string[0] != '\0') {
TreeView *tvPtr = clientData;
*labelPtr = Blt_TreeViewGetUid(tvPtr, string);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* LabelToObj --
*
* Results:
* The string of the entry's label is returned.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static Tcl_Obj *
LabelToObj(
ClientData clientData, /* Not used. */
Tcl_Interp *interp,
Tk_Window tkwin, /* Not used. */
char *widgRec,
int offset)
{
UID labelUid = *(UID *)(widgRec + offset);
char *string;
if (labelUid == NULL) {
TreeViewEntry *entryPtr = (TreeViewEntry *)widgRec;
string = Blt_TreeNodeLabel(entryPtr->node);
} else {
string = labelUid;
}
return Tcl_NewStringObj(string, -1);
}
/*ARGSUSED*/
static int
FreeLabel(
ClientData clientData,
Display *display, /* Not used. */
char *widgRec,
int offset,
char *oldPtr)
{
UID label = (UID)(oldPtr);
if (label != NULL) {
TreeView *tvPtr = clientData;
Blt_TreeViewFreeUid(tvPtr, label);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Blt_TreeViewGetUid --
*
* Gets or creates a unique string identifier. Strings are
* reference counted. The string is placed into a hashed table
* local to the treeview.
*
* Results:
* Returns the pointer to the hashed string.
*
*----------------------------------------------------------------------
*/
UID
Blt_TreeViewGetUid(TreeView *tvPtr, CONST char *string)
{
Blt_HashEntry *hPtr;
int isNew;
int refCount;
hPtr = Blt_CreateHashEntry(&tvPtr->uidTable, string, &isNew);
if (isNew) {
refCount = 1;
} else {
refCount = (intptr_t)Blt_GetHashValue(hPtr);
refCount++;
}
Blt_SetHashValue(hPtr, (ClientData)(intptr_t)refCount);
return Blt_GetHashKey(&tvPtr->uidTable, hPtr);
}
/*
*----------------------------------------------------------------------
*
* Blt_TreeViewFreeUid --
*
* Releases the uid. Uids are reference counted, so only when
* the reference count is zero (i.e. no one else is using the
* string) is the entry removed from the hash table.
*
* Results:
* None.
*
*----------------------------------------------------------------------
*/
void
Blt_TreeViewFreeUid(TreeView *tvPtr, UID uid)
{
Blt_HashEntry *hPtr;
int refCount;
hPtr = Blt_FindHashEntry(&tvPtr->uidTable, uid);
assert(hPtr != NULL);
refCount = (intptr_t)Blt_GetHashValue(hPtr);
refCount--;
if (refCount > 0) {
Blt_SetHashValue(hPtr, (ClientData)(intptr_t)refCount);
} else {
Blt_DeleteHashEntry(&tvPtr->uidTable, hPtr);
}
}
/*ARGSUSED*/
static int
ObjToIsopen(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Interpreter to send results back to */
Tk_Window tkwin, /* Not used. */
Tcl_Obj *objPtr, /* Tcl_Obj representing the new value. */
char *widgRec,
int offset)
{
TreeViewEntry *entryPtr = (TreeViewEntry *)(widgRec);
TreeView *tvPtr = entryPtr->tvPtr;
int isopen, open, result = TCL_OK;
if (Tcl_GetBooleanFromObj(interp, objPtr, &isopen) != TCL_OK) {
return TCL_ERROR;
}
open = ((entryPtr->flags&ENTRY_CLOSED) == 0);
if (open != isopen) {
if (isopen) {
result = Blt_TreeViewOpenEntry(tvPtr, entryPtr);
if (result == TCL_OK) {
entryPtr->flags &= (~ENTRY_CLOSED);
}
} else {
result = Blt_TreeViewCloseEntry(tvPtr, entryPtr);
if (result == TCL_OK) {
entryPtr->flags |= (ENTRY_CLOSED);
}
}
tvPtr->flags |= (TV_LAYOUT | TV_DIRTY | TV_RESORT);
Blt_TreeViewEventuallyRedraw(tvPtr);
}
return result;
}
/*ARGSUSED*/
static Tcl_Obj *
IsopenToObj(
ClientData clientData, /* Not used. */
Tcl_Interp *interp,
Tk_Window tkwin, /* Not used. */
char *widgRec,
int offset)
{
TreeViewEntry *entryPtr = (TreeViewEntry *)(widgRec);
int open;
open = ((entryPtr->flags&ENTRY_CLOSED) == 0);
return Tcl_NewIntObj(open);
}
/*
*----------------------------------------------------------------------
*
* ObjToUid --
*
* Converts the string to a Uid. Uid's are hashed, reference
* counted strings.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
ObjToUid(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Interpreter to send results back to */
Tk_Window tkwin, /* Not used. */
Tcl_Obj *objPtr, /* Tcl_Obj representing the new value. */
char *widgRec,
int offset)
{
TreeView *tvPtr = clientData;
UID *uidPtr = (UID *)(widgRec + offset);
UID newId;
char *string;
newId = NULL;
string = Tcl_GetString(objPtr);
if (*string != '\0') {
newId = Blt_TreeViewGetUid(tvPtr, string);
}
*uidPtr = newId;
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* UidToObj --
*
* Returns the uid as a string.
*
* Results:
* The fill style string is returned.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static Tcl_Obj *
UidToObj(
ClientData clientData, /* Not used. */
Tcl_Interp *interp,
Tk_Window tkwin, /* Not used. */
char *widgRec,
int offset)
{
UID uid = *(UID *)(widgRec + offset);
return Tcl_NewStringObj(uid?uid:"", -1);
}
/*
*----------------------------------------------------------------------
*
* FreeUid --
*
* Free the UID from the widget record, setting it to NULL.
*
* Results:
* The UID in the widget record is set to NULL.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
FreeUid(
ClientData clientData,
Display *display, /* Not used. */
char *widgRec,
int offset,
char *oldPtr)
{
UID uid = (UID)(oldPtr);
if (uid != NULL) {
TreeView *tvPtr = clientData;
Blt_TreeViewFreeUid(tvPtr, uid);
}
return TCL_OK;
}
void
Blt_TreeViewRelayout(TreeView *tvPtr) {
tvPtr->flags |= (TV_LAYOUT | TV_DIRTY | TV_RESORT | TV_UPDATE |TV_SCROLL|TV_DIRTYALL);
Blt_TreeViewEventuallyRedraw(tvPtr);
}
/*
*----------------------------------------------------------------------
*
* IconChangedProc
*
*
* Results:
* None.
*
*----------------------------------------------------------------------
*/
/* ARGSUSED */
static void
IconChangedProc(
ClientData clientData,
int x, /* Not used. */
int y, /* Not used. */
int width, /* Not used. */
int height, /* Not used. */
int imageWidth, /* Not used. */
int imageHeight) /* Not used. */
{
TreeViewIcon iconPtr = clientData;
TreeView *tvPtr = iconPtr->tvPtr;
if (iconPtr->width != width || iconPtr->height != height) {
}
iconPtr->width = width;
iconPtr->height = height;
Blt_TreeViewRelayout(tvPtr);
}
TreeViewIcon
Blt_TreeViewGetIcon(TreeView *tvPtr, CONST char *iconName)
{
Blt_HashEntry *hPtr;
int isNew;
struct TreeViewIconStruct *iconPtr;
hPtr = Blt_CreateHashEntry(&tvPtr->iconTable, iconName, &isNew);
if (isNew) {
Tk_Image tkImage;
int width, height;
iconPtr = Blt_Calloc(1, sizeof(struct TreeViewIconStruct));
tkImage = Tk_GetImage(tvPtr->interp, tvPtr->tkwin, (char *)iconName,
IconChangedProc, iconPtr);
if (tkImage == NULL) {
Blt_DeleteHashEntry(&tvPtr->iconTable, hPtr);
Blt_Free(iconPtr);
return NULL;
}
Tk_SizeOfImage(tkImage, &width, &height);
iconPtr->tvPtr = tvPtr;
iconPtr->tkImage = tkImage;
iconPtr->hashPtr = hPtr;
iconPtr->refCount = 1;
iconPtr->width = width;
iconPtr->height = height;
Blt_SetHashValue(hPtr, iconPtr);
} else {
iconPtr = Blt_GetHashValue(hPtr);
iconPtr->refCount++;
}
return iconPtr;
}
void
Blt_TreeViewFreeIcon(
TreeView *tvPtr,
struct TreeViewIconStruct *iconPtr)
{
iconPtr->refCount--;
if (iconPtr->refCount == 0) {
Blt_DeleteHashEntry(&tvPtr->iconTable, iconPtr->hashPtr);
Tk_FreeImage(iconPtr->tkImage);
Blt_Free(iconPtr);
}
}
static void
DumpIconTable(TreeView *tvPtr)
{
Blt_HashEntry *hPtr;
Blt_HashSearch cursor;
struct TreeViewIconStruct *iconPtr;
for (hPtr = Blt_FirstHashEntry(&tvPtr->iconTable, &cursor);
hPtr != NULL; hPtr = Blt_NextHashEntry(&cursor)) {
iconPtr = Blt_GetHashValue(hPtr);
Tk_FreeImage(iconPtr->tkImage);
Blt_Free(iconPtr);
}
Blt_DeleteHashTable(&tvPtr->iconTable);
}
/*
*----------------------------------------------------------------------
*
* ObjToIcons --
*
* Convert a list of image names into Tk images.
*
* Results:
* If the string is successfully converted, TCL_OK is returned.
* Otherwise, TCL_ERROR is returned and an error message is left in
* interpreter's result field.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
ObjToIcons(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Interpreter to send results back to */
Tk_Window tkwin, /* Not used. */
Tcl_Obj *objPtr, /* Tcl_Obj representing the new value. */
char *widgRec,
int offset)
{
Tcl_Obj **objv;
TreeView *tvPtr = clientData;
TreeViewIcon **iconPtrPtr = (TreeViewIcon **)(widgRec + offset);
TreeViewIcon *icons;
int objc;
int result;
result = TCL_OK;
icons = NULL;
if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) {
return TCL_ERROR;
}
if (objc > 2) {
Tcl_AppendResult(interp, "expected 0, 1 or 2 icons", 0);
}
if (objc > 0) {
register int i;
icons = Blt_Calloc(3, sizeof(TreeViewIcon *));
assert(icons);
for (i = 0; i < objc && i < 2; i++) {
icons[i] = Blt_TreeViewGetIcon(tvPtr, Tcl_GetString(objv[i]));
if (icons[i] == NULL) {
result = TCL_ERROR;
break;
}
}
icons[i] = NULL;
}
*iconPtrPtr = icons;
return result;
}
/*
*----------------------------------------------------------------------
*
* IconsToObj --
*
* Converts the icon into its string representation (its name).
*
* Results:
* The name of the icon is returned.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static Tcl_Obj *
IconsToObj(
ClientData clientData, /* Not used. */
Tcl_Interp *interp,
Tk_Window tkwin, /* Not used. */
char *widgRec,
int offset)
{
TreeViewIcon *icons = *(TreeViewIcon **)(widgRec + offset);
Tcl_Obj *listObjPtr;
listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **)NULL);
if (icons != NULL) {
register TreeViewIcon *iconPtr;
Tcl_Obj *objPtr;
for (iconPtr = icons; *iconPtr != NULL; iconPtr++) {
objPtr = Tcl_NewStringObj(Blt_NameOfImage((*iconPtr)->tkImage), -1);
Tcl_ListObjAppendElement(interp, listObjPtr, objPtr);
}
}
return listObjPtr;
}
/*ARGSUSED*/
static int
FreeIcons(
ClientData clientData,
Display *display, /* Not used. */
char *widgRec,
int offset,
char *oldPtr)
{
TreeViewIcon *icons = (TreeViewIcon *)(oldPtr);
if (icons != NULL) {
register TreeViewIcon *iconPtr;
TreeView *tvPtr = clientData;
for (iconPtr = icons; *iconPtr != NULL; iconPtr++) {
Blt_TreeViewFreeIcon(tvPtr, *iconPtr);
}
Blt_Free(icons);
}
return TCL_OK;
}
TreeViewEntry *
Blt_NodeToEntry(TreeView *tvPtr, Blt_TreeNode node)
{
Blt_HashEntry *hPtr;
hPtr = Blt_FindHashEntry(&tvPtr->entryTable, (char *)node);
if (hPtr == NULL) {
return NULL;
}
return Blt_GetHashValue(hPtr);
}
int
Blt_TreeViewApply(
TreeView *tvPtr,
TreeViewEntry *entryPtr, /* Root entry of subtree. */
TreeViewApplyProc *proc, /* Procedure to call for each entry. */
unsigned int flags)
{
if ((flags & ENTRY_HIDDEN) &&
(Blt_TreeViewEntryIsHidden(entryPtr))) {
return TCL_OK; /* Hidden node. */
}
if ((flags & ENTRY_HIDDEN) && (entryPtr->flags & ENTRY_HIDDEN)) {
return TCL_OK; /* Hidden node. */
}
if (((flags & ENTRY_CLOSED) == 0) ||
((entryPtr->flags & ENTRY_CLOSED) == 0)) {
TreeViewEntry *childPtr;
Blt_TreeNode node, next;
for (node = Blt_TreeFirstChild(entryPtr->node); node != NULL;
node = next) {
next = Blt_TreeNextSibling(node);
/*
* Get the next child before calling Blt_TreeViewApply
* recursively. This is because the apply callback may
* delete the node and its link.
*/
childPtr = Blt_NodeToEntry(tvPtr, node);
if (Blt_TreeViewApply(tvPtr, childPtr, proc, flags) != TCL_OK) {
return TCL_ERROR;
}
}
}
if ((*proc) (tvPtr, entryPtr) != TCL_OK) {
return TCL_ERROR;
}
return TCL_OK;
}
int
Blt_TreeViewIsLeaf(TreeViewEntry *entryPtr) {
if (entryPtr->flags&ENTRY_IS_TREE) return FALSE;
return Blt_TreeIsLeaf(entryPtr->node);
}
int
Blt_TreeViewEntryIsHidden(TreeViewEntry *entryPtr)
{
TreeView *tvPtr = entryPtr->tvPtr;
if ((tvPtr->flags & TV_HIDE_ROOT) && (entryPtr == tvPtr->rootPtr)) {
return TRUE;
}
/* if (entryPtr->hide) {
return TRUE;
} */
if ((tvPtr->flags & TV_HIDE_LEAVES) && (Blt_TreeViewIsLeaf(entryPtr))) {
return TRUE;
}
/*if (entryPtr->stylePtr && entryPtr->stylePtr->hidden) {
return TRUE;
}*/
return (entryPtr->flags & ENTRY_HIDDEN) ? TRUE : FALSE;
}
int
Blt_TreeViewEntryIsMapped(TreeViewEntry *entryPtr)
{
TreeView *tvPtr = entryPtr->tvPtr;
int n;
if (tvPtr->visibleArr == NULL) {
return FALSE;
}
for (n = 0; n < tvPtr->nVisible; n++) {
if (tvPtr->visibleArr[n] == entryPtr) {
return TRUE;
}
}
return FALSE;
}
TreeViewEntry *
Blt_TreeViewFirstChild(TreeViewEntry *entryPtr, unsigned int mask)
{
Blt_TreeNode node;
TreeView *tvPtr = entryPtr->tvPtr;
#ifdef __BOUNDS_CHECKING_ON
__bounds_debug_no_checking = 1;
#endif
for (node = Blt_TreeFirstChild(entryPtr->node); node != NULL;
node = Blt_TreeNextSibling(node)) {
entryPtr = Blt_NodeToEntry(tvPtr, node);
if ((mask & ENTRY_ONLYHIDDEN)) {
if (Blt_TreeViewEntryIsHidden(entryPtr)) {
goto done;
}
} else if (((mask & ENTRY_HIDDEN) == 0) ||
(!Blt_TreeViewEntryIsHidden(entryPtr))) {
goto done;
}
}
entryPtr = NULL;
done:
#ifdef __BOUNDS_CHECKING_ON
__bounds_debug_no_checking = 0;
#endif
return entryPtr;
}
TreeViewEntry *
Blt_TreeViewLastChild(TreeViewEntry *entryPtr, unsigned int mask)
{
Blt_TreeNode node;
TreeView *tvPtr = entryPtr->tvPtr;
for (node = Blt_TreeLastChild(entryPtr->node); node != NULL;
node = Blt_TreePrevSibling(node)) {
entryPtr = Blt_NodeToEntry(tvPtr, node);
if ((mask & ENTRY_ONLYHIDDEN)) {
if (Blt_TreeViewEntryIsHidden(entryPtr)) {
return entryPtr;
}
} else if (((mask & ENTRY_HIDDEN) == 0) ||
(!Blt_TreeViewEntryIsHidden(entryPtr))) {
return entryPtr;
}
}
return NULL;
}
TreeViewEntry *
Blt_TreeViewNextSibling(TreeViewEntry *entryPtr, unsigned int mask)
{
Blt_TreeNode node;
TreeView *tvPtr = entryPtr->tvPtr;
for (node = Blt_TreeNextSibling(entryPtr->node); node != NULL;
node = Blt_TreeNextSibling(node)) {
entryPtr = Blt_NodeToEntry(tvPtr, node);
if ((mask & ENTRY_ONLYHIDDEN)) {
if (Blt_TreeViewEntryIsHidden(entryPtr)) {
return entryPtr;
}
} else if (((mask & ENTRY_HIDDEN) == 0) ||
(!Blt_TreeViewEntryIsHidden(entryPtr))) {
return entryPtr;
}
}
return NULL;
}
TreeViewEntry *
Blt_TreeViewPrevSibling(TreeViewEntry *entryPtr, unsigned int mask)
{
Blt_TreeNode node;
TreeView *tvPtr = entryPtr->tvPtr;
for (node = Blt_TreePrevSibling(entryPtr->node); node != NULL;
node = Blt_TreePrevSibling(node)) {
entryPtr = Blt_NodeToEntry(tvPtr, node);
if ((mask & ENTRY_ONLYHIDDEN)) {
if (Blt_TreeViewEntryIsHidden(entryPtr)) {
return entryPtr;
}
} else if (((mask & ENTRY_HIDDEN) == 0) ||
(!Blt_TreeViewEntryIsHidden(entryPtr))) {
return entryPtr;
}
}
return NULL;
}
/*
*----------------------------------------------------------------------
*
* Blt_TreeViewPrevEntry --
*
* Returns the "previous" node in the tree. This node (in
* depth-first order) is its parent if the node has no siblings
* that are previous to it. Otherwise it is the last descendant
* of the last sibling. In this case, descend the sibling's
* hierarchy, using the last child at any ancestor, until we
* we find a leaf.
*
*----------------------------------------------------------------------
*/
TreeViewEntry *
Blt_TreeViewPrevEntry(TreeViewEntry *entryPtr, unsigned int mask)
{
TreeView *tvPtr = entryPtr->tvPtr;
TreeViewEntry *prevPtr;
if (entryPtr->node == tvPtr->rootNode) {
return NULL; /* The root is the first node. */
}
prevPtr = Blt_TreeViewPrevSibling(entryPtr, mask);
if (prevPtr == NULL) {
/* There are no siblings previous to this one, so pick the parent. */
prevPtr = Blt_TreeViewParentEntry(entryPtr);
} else {
/*
* Traverse down the right-most thread in order to select the
* last entry. Stop if we find a "closed" entry or reach a leaf.
*/
entryPtr = prevPtr;
while ((entryPtr->flags & mask) == 0) {
entryPtr = Blt_TreeViewLastChild(entryPtr, mask);
if (entryPtr == NULL) {
break; /* Found a leaf. */
}
prevPtr = entryPtr;
}
}
if (prevPtr == NULL) {
return NULL;
}
return prevPtr;
}
/*
*----------------------------------------------------------------------
*
* Blt_TreeViewNextNode --
*
* Returns the "next" node in relation to the given node.
* The next node (in depth-first order) is either the first
* child of the given node the next sibling if the node has
* no children (the node is a leaf). If the given node is the
* last sibling, then try it's parent next sibling. Continue
* until we either find a next sibling for some ancestor or
* we reach the root node. In this case the current node is
* the last node in the tree.
*
*----------------------------------------------------------------------
*/
TreeViewEntry *
Blt_TreeViewNextEntry(TreeViewEntry *entryPtr, unsigned int mask)
{
TreeView *tvPtr = entryPtr->tvPtr;
TreeViewEntry *nextPtr;
int ignoreLeaf;
ignoreLeaf = ((tvPtr->flags & TV_HIDE_LEAVES) &&
(Blt_TreeViewIsLeaf(entryPtr)));
if ((!ignoreLeaf) && ((entryPtr->flags & mask) == 0)) {
nextPtr = Blt_TreeViewFirstChild(entryPtr, mask);
if (nextPtr != NULL) {
return nextPtr; /* Pick the first sub-node. */
}
}
/*
* Back up until to a level where we can pick a "next sibling".
* For the last entry we'll thread our way back to the root.
*/
while (entryPtr != NULL && entryPtr != tvPtr->rootPtr) {
nextPtr = Blt_TreeViewNextSibling(entryPtr, mask);
if (nextPtr != NULL) {
return nextPtr;
}
entryPtr = Blt_TreeViewParentEntry(entryPtr);
}
return NULL; /* At root, no next node. */
}
void
Blt_TreeViewConfigureButtons(TreeView *tvPtr)
{
GC newGC;
TreeViewButton *buttonPtr = &tvPtr->button;
XGCValues gcValues;
unsigned long gcMask;
gcMask = GCForeground;
gcValues.foreground = buttonPtr->fgColor->pixel;
newGC = Tk_GetGC(tvPtr->tkwin, gcMask, &gcValues);
if (buttonPtr->normalGC != NULL) {
Tk_FreeGC(tvPtr->display, buttonPtr->normalGC);
}
buttonPtr->normalGC = newGC;
gcMask = GCForeground;
gcValues.foreground = buttonPtr->activeFgColor->pixel;
newGC = Tk_GetGC(tvPtr->tkwin, gcMask, &gcValues);
if (buttonPtr->activeGC != NULL) {
Tk_FreeGC(tvPtr->display, buttonPtr->activeGC);
}
buttonPtr->activeGC = newGC;
buttonPtr->width = buttonPtr->height = ODD(buttonPtr->reqSize);
if (buttonPtr->icons != NULL) {
register int i;
int width, height;
for (i = 0; i < 2; i++) {
if (buttonPtr->icons[i] == NULL) {
break;
}
width = TreeViewIconWidth(buttonPtr->icons[i]);
height = TreeViewIconWidth(buttonPtr->icons[i]);
if (buttonPtr->width < width) {
buttonPtr->width = width;
}
if (buttonPtr->height < height) {
buttonPtr->height = height;
}
}
}
buttonPtr->width += 2 * buttonPtr->borderWidth;
buttonPtr->height += 2 * buttonPtr->borderWidth;
}
int
Blt_TreeViewConfigureEntry(
TreeView *tvPtr,
TreeViewEntry *entryPtr,
int objc,
Tcl_Obj *CONST *objv,
int flags)
{
GC newGC;
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
int isdel;
Blt_TreeViewOptsInit(tvPtr);
Tcl_Preserve(entryPtr);
if (Blt_ConfigureWidgetFromObj(tvPtr->interp, tvPtr->tkwin,
bltTreeViewEntrySpecs, objc, objv, (char *)entryPtr, flags, NULL) != TCL_OK) {
Tcl_Release(entryPtr);
return TCL_ERROR;
}
isdel = (entryPtr->flags & ENTRY_DELETED);
Tcl_Release(entryPtr);
if (isdel || (tvPtr->flags & TV_DELETED)) {
return TCL_ERROR;
}
/*
* Check if there are values that need to be added
*/
for(linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr); linkPtr != NULL;
linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
Blt_TreeViewAddValue(entryPtr, columnPtr);
}
newGC = NULL;
if ((entryPtr->font != NULL) || (entryPtr->color != NULL)) {
Tk_Font font;
XColor *colorPtr;
XGCValues gcValues;
unsigned long gcMask;
font = entryPtr->font;
if (font == NULL) {
font = Blt_TreeViewGetStyleFont(tvPtr, &tvPtr->treeColumn, tvPtr->treeColumn.stylePtr);
}
colorPtr = CHOOSE(tvPtr->fgColor, entryPtr->color);
gcMask = GCForeground | GCFont;
gcValues.foreground = colorPtr->pixel;
gcValues.font = Tk_FontId(font);
newGC = Tk_GetGC(tvPtr->tkwin, gcMask, &gcValues);
}
if (entryPtr->gc != NULL) {
Tk_FreeGC(tvPtr->display, entryPtr->gc);
}
/* Assume all changes require a new layout. */
entryPtr->gc = newGC;
entryPtr->flags |= ENTRY_LAYOUT_PENDING;
if (Blt_ObjConfigModified(bltTreeViewEntrySpecs, tvPtr->interp, "-font", "-hide*","-icons", "-*style*", "-state",
(char *)NULL)) {
entryPtr->flags |= ENTRY_REDRAW | ENTRY_DIRTY;
tvPtr->flags |= TV_UPDATE;
/*Blt_TreeViewMakeStyleDirty(tvPtr); */
}
if (Blt_ObjConfigModified(bltTreeViewEntrySpecs, tvPtr->interp, "-style", (char *)NULL)) {
if (entryPtr->stylePtr && 'W' == *entryPtr->stylePtr->classPtr->className ) {
Blt_TreeViewFreeStyle(tvPtr, entryPtr->realStylePtr);
entryPtr->realStylePtr = NULL;
entryPtr->stylePtr = NULL;
return TCL_ERROR;
}
}
tvPtr->flags |= (TV_LAYOUT | TV_DIRTY | TV_RESORT);
Blt_ObjConfigModified(bltTreeViewEntrySpecs, tvPtr->interp, 0);
return TCL_OK;
}
void
Blt_TreeViewDestroyValue(TreeView *tvPtr, TreeViewEntry *entryPtr, TreeViewValue *valuePtr)
{
if (valuePtr->stylePtr != NULL) {
Blt_TreeViewFreeStyle(tvPtr, valuePtr->stylePtr);
}
if (valuePtr->textPtr != NULL) {
Blt_Free(valuePtr->textPtr);
}
Blt_PoolFreeItem(entryPtr->tvPtr->valuePool, valuePtr);
}
void Blt_TreeViewDeleteValue(TreeViewEntry* entryPtr, Blt_TreeKey key) {
TreeView *tvPtr;
TreeViewValue *lastPtr, *nextPtr, *valuePtr;
tvPtr = entryPtr->tvPtr;
lastPtr = NULL;
for(valuePtr = entryPtr->values; valuePtr != NULL;
valuePtr = nextPtr) {
nextPtr = valuePtr->nextPtr;
if (valuePtr->columnPtr->key == key) {
Blt_TreeViewWindowUpdate(entryPtr, valuePtr->columnPtr);
Blt_TreeViewDestroyValue(tvPtr, entryPtr, valuePtr);
if (lastPtr == NULL) {
entryPtr->values = nextPtr;
} else {
lastPtr->nextPtr = nextPtr;
}
entryPtr->flags |= ENTRY_DIRTY;
Blt_TreeViewEventuallyRedraw(tvPtr);
tvPtr->flags |= (TV_LAYOUT | TV_DIRTY | TV_RESORT);
break;
}
lastPtr = valuePtr;
}
}
static void
DestroyEntry(DestroyData data)
{
TreeViewEntry *entryPtr = (TreeViewEntry *)data;
TreeView *tvPtr;
tvPtr = entryPtr->tvPtr;
Blt_TreeViewOptsInit(tvPtr);
Blt_FreeObjOptions(tvPtr->interp,
bltTreeViewEntrySpecs, (char *)entryPtr, tvPtr->display, 0);
if (!Blt_TreeTagTableIsShared(tvPtr->tree)) {
/* Don't clear tags unless this client is the only one using
* the tag table.*/
Blt_TreeClearTags(tvPtr->tree, entryPtr->node);
}
if (tvPtr->selAnchorPtr == entryPtr) { tvPtr->selAnchorPtr = NULL; }
if (tvPtr->selMarkPtr == entryPtr) { tvPtr->selMarkPtr = NULL; }
if (tvPtr->activePtr == entryPtr) { tvPtr->activePtr = NULL; }
if (tvPtr->focusPtr == entryPtr) { tvPtr->focusPtr = NULL; }
if (tvPtr->activeButtonPtr == entryPtr) { tvPtr->activeButtonPtr = NULL; }
if (tvPtr->fromPtr == entryPtr) { tvPtr->fromPtr = NULL; }
if (entryPtr->gc != NULL) {
Tk_FreeGC(tvPtr->display, entryPtr->gc);
entryPtr->gc = NULL;
}
if (entryPtr->shadow.color != NULL) {
Tk_FreeColor(entryPtr->shadow.color);
entryPtr->shadow.color = NULL;
}
/* Delete the chain of data values from the entry. */
if (entryPtr->values != NULL) {
TreeViewValue *valuePtr, *nextPtr;
for (valuePtr = entryPtr->values; valuePtr != NULL;
valuePtr = nextPtr) {
nextPtr = valuePtr->nextPtr;
Blt_TreeViewDestroyValue(tvPtr, entryPtr, valuePtr);
}
entryPtr->values = NULL;
}
if (entryPtr->fullName != NULL) {
Blt_Free(entryPtr->fullName);
entryPtr->fullName = NULL;
}
if (entryPtr->textPtr != NULL) {
Blt_Free(entryPtr->textPtr);
entryPtr->textPtr = NULL;
}
if (entryPtr->subTextPtr != NULL) {
Blt_Free(entryPtr->subTextPtr);
entryPtr->subTextPtr = NULL;
}
if (entryPtr->realStylePtr != NULL) {
Blt_TreeViewFreeStyle(tvPtr, entryPtr->realStylePtr);
entryPtr->realStylePtr = NULL;
}
Blt_PoolFreeItem(tvPtr->entryPool, entryPtr);
}
TreeViewEntry *
Blt_TreeViewParentEntry(TreeViewEntry *entryPtr)
{
TreeView *tvPtr = entryPtr->tvPtr;
Blt_TreeNode node;
if (entryPtr->node == NULL || entryPtr->node == tvPtr->rootNode) {
return NULL;
}
node = Blt_TreeNodeParent(entryPtr->node);
if (node == NULL) {
return NULL;
}
return Blt_NodeToEntry(tvPtr, node);
}
void
Blt_TreeViewFreeEntry(TreeView *tvPtr, TreeViewEntry *entryPtr)
{
Blt_HashEntry *hPtr;
if (entryPtr == NULL) return;
entryPtr->flags |= ENTRY_DELETED;
if (entryPtr == tvPtr->activePtr) {
tvPtr->activePtr = Blt_TreeViewParentEntry(entryPtr);
}
if (entryPtr == tvPtr->activeButtonPtr) {
tvPtr->activeButtonPtr = NULL;
}
if (entryPtr == tvPtr->focusPtr) {
tvPtr->focusPtr = Blt_TreeViewParentEntry(entryPtr);
Blt_SetFocusItem(tvPtr->bindTable, tvPtr->focusPtr, ITEM_ENTRY);
}
if (entryPtr == tvPtr->selAnchorPtr) {
tvPtr->selMarkPtr = tvPtr->selAnchorPtr = NULL;
}
if (entryPtr->flags & ENTRY_WINDOW) {
Blt_TreeViewWindowRelease(entryPtr, NULL);
}
Blt_TreeViewDeselectEntry(tvPtr, entryPtr, NULL);
Blt_TreeViewPruneSelection(tvPtr, entryPtr);
Blt_DeleteBindings(tvPtr->bindTable, entryPtr);
hPtr = Blt_FindHashEntry(&tvPtr->entryTable, entryPtr->node);
if (hPtr != NULL) {
Blt_DeleteHashEntry(&tvPtr->entryTable, hPtr);
}
entryPtr->node = NULL;
Tcl_EventuallyFree(entryPtr, DestroyEntry);
/*
* Indicate that the screen layout of the hierarchy may have changed
* because this node was deleted. The screen positions of the nodes
* in tvPtr->visibleArr are invalidated.
*/
tvPtr->flags |= (TV_LAYOUT | TV_DIRTY | TV_RESORT);
Blt_TreeViewEventuallyRedraw(tvPtr);
}
int
Blt_TreeViewEntryIsSelected(TreeView *tvPtr, TreeViewEntry *entryPtr,
TreeViewColumn *columnPtr)
{
Blt_HashEntry *hPtr;
TreeViewValue *valuePtr;
if (tvPtr->selectMode == SELECT_MODE_NONE) {
return FALSE;
}
hPtr = Blt_FindHashEntry(&tvPtr->selectTable, (char *)entryPtr);
if (hPtr == NULL) return FALSE;
if (tvPtr->selectMode == SELECT_MODE_SINGLE) return TRUE;
if (tvPtr->selectMode == SELECT_MODE_MULTIPLE) return TRUE;
if (columnPtr == NULL) return FALSE;
valuePtr = (TreeViewValue *)Blt_TreeViewFindValue(entryPtr, columnPtr);
if (valuePtr == NULL) return FALSE;
return (valuePtr->selected);
}
void
Blt_TreeViewSelectEntry(TreeView *tvPtr, TreeViewEntry *entryPtr,
TreeViewColumn *columnPtr)
{
int isNew;
Blt_HashEntry *hPtr;
hPtr = Blt_CreateHashEntry(&tvPtr->selectTable, (char *)entryPtr, &isNew);
if (isNew) {
Blt_ChainLink *linkPtr;
linkPtr = Blt_ChainAppend(tvPtr->selChainPtr, entryPtr);
Blt_SetHashValue(hPtr, linkPtr);
}
if (columnPtr != NULL) {
TreeViewValue *valuePtr;
valuePtr = Blt_TreeViewFindValue(entryPtr, columnPtr);
if (valuePtr != NULL) {
valuePtr->selected = TRUE;
}
}
}
void
Blt_TreeViewDeselectEntry(TreeView *tvPtr, TreeViewEntry *entryPtr,
TreeViewColumn *columnPtr)
{
Blt_HashEntry *hPtr;
Blt_ChainLink *linkPtr;
hPtr = Blt_FindHashEntry(&tvPtr->selectTable, (char *)entryPtr);
if (columnPtr != NULL) {
TreeViewValue *valuePtr;
valuePtr = Blt_TreeViewFindValue(entryPtr, columnPtr);
if (valuePtr != NULL) {
valuePtr->selected = FALSE;
}
if (tvPtr->selectMode & SELECT_MODE_CELLMASK) {
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr);
linkPtr != NULL; linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
valuePtr = Blt_TreeViewFindValue(entryPtr, columnPtr);
if (valuePtr != NULL && valuePtr->selected) {
return;
}
}
}
}
if (hPtr != NULL) {
linkPtr = Blt_GetHashValue(hPtr);
Blt_ChainDeleteLink(tvPtr->selChainPtr, linkPtr);
Blt_DeleteHashEntry(&tvPtr->selectTable, hPtr);
}
}
char *
Blt_TreeViewGetFullName(
TreeView *tvPtr,
TreeViewEntry *entryPtr,
int checkEntryLabel,
Tcl_DString *resultPtr)
{
Blt_TreeNode node;
char **names; /* Used the stack the component names. */
char *staticSpace[64];
int level;
register int i;
if (entryPtr == NULL) {
return "";
}
level = Blt_TreeNodeDepth(tvPtr->tree, entryPtr->node);
if (tvPtr->rootPtr->labelUid == NULL && entryPtr != tvPtr->rootPtr) {
level--;
}
if (level > 64) {
names = Blt_Malloc((level + 2) * sizeof(char *));
assert(names);
} else {
names = staticSpace;
}
for (i = level; i >= 0; i--) {
/* Save the name of each ancestor in the name array. */
if (checkEntryLabel) {
names[i] = GETLABEL(entryPtr);
} else {
names[i] = Blt_TreeNodeLabel(entryPtr->node);
}
node = Blt_TreeNodeParent(entryPtr->node);
if (node != NULL) {
entryPtr = Blt_NodeToEntry(tvPtr, node);
}
}
Tcl_DStringSetLength(resultPtr, 0);
if (level >= 0) {
if ((tvPtr->pathSep == SEPARATOR_LIST) ||
(tvPtr->pathSep == SEPARATOR_NONE)) {
for (i = 0; i <= level; i++) {
Tcl_DStringAppendElement(resultPtr, names[i]);
}
} else {
Tcl_DStringAppend(resultPtr, names[0], -1);
for (i = 1; i <= level; i++) {
Tcl_DStringAppend(resultPtr, tvPtr->pathSep, -1);
Tcl_DStringAppend(resultPtr, names[i], -1);
}
}
} else {
if ((tvPtr->pathSep != SEPARATOR_LIST) &&
(tvPtr->pathSep != SEPARATOR_NONE)) {
Tcl_DStringAppend(resultPtr, tvPtr->pathSep, -1);
}
}
if (names != staticSpace) {
Blt_Free(names);
}
return Tcl_DStringValue(resultPtr);
}
int
Blt_TreeViewCloseEntry(TreeView *tvPtr, TreeViewEntry *entryPtr)
{
char *cmd;
int disabled = (entryPtr->state == STATE_DISABLED);
if (disabled || entryPtr->flags & ENTRY_CLOSED) {
return TCL_OK; /* Entry is already closed. */
}
if ((tvPtr->flags & TV_HIDE_ROOT) && (entryPtr == tvPtr->rootPtr)) {
return TCL_OK; /* Do not close root if hidden. */
}
entryPtr->flags |= ENTRY_CLOSED;
/*
* Invoke the entry's "close" command, if there is one. Otherwise
* try the treeview's global "close" command.
*/
cmd = CHOOSE(tvPtr->closeCmd, entryPtr->closeCmd);
if (cmd != NULL) {
Tcl_DString dString;
int result;
Tcl_DStringInit(&dString);
Blt_TreeViewPercentSubst(tvPtr, entryPtr, NULL, cmd, "", &dString);
Tcl_Preserve(entryPtr);
result = Tcl_GlobalEval(tvPtr->interp, Tcl_DStringValue(&dString));
Tcl_Release(entryPtr);
Tcl_DStringFree(&dString);
if (result != TCL_OK) {
tvPtr->flags |= TV_LAYOUT;
return TCL_ERROR;
}
}
tvPtr->flags |= TV_LAYOUT;
return TCL_OK;
}
int
Blt_TreeViewOpenEntry(TreeView *tvPtr, TreeViewEntry *entryPtr)
{
char *cmd;
int disabled = (entryPtr->state == STATE_DISABLED);
if (disabled || (entryPtr->flags & ENTRY_CLOSED) == 0) {
return TCL_OK; /* Entry is already open. */
}
if ((tvPtr->flags&TV_NOAUTO_CLOSE_LEAF)!=0 || Blt_TreeViewIsLeaf(entryPtr)==0 || entryPtr == tvPtr->rootPtr) {
entryPtr->flags &= ~ENTRY_CLOSED;
}
/*
* If there's a "open" command proc specified for the entry, use
* that instead of the more general "open" proc for the entire
* treeview.
*/
cmd = CHOOSE(tvPtr->openCmd, entryPtr->openCmd);
if (cmd != NULL) {
Tcl_DString dString;
int result;
Tcl_DStringInit(&dString);
Blt_TreeViewPercentSubst(tvPtr, entryPtr, NULL, cmd, "", &dString);
Tcl_Preserve(entryPtr);
result = Tcl_GlobalEval(tvPtr->interp, Tcl_DStringValue(&dString));
Tcl_Release(entryPtr);
Tcl_DStringFree(&dString);
if (result != TCL_OK) {
tvPtr->flags |= TV_LAYOUT;
return TCL_ERROR;
}
}
tvPtr->flags |= TV_LAYOUT;
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Blt_TreeViewCreateEntry --
*
* This procedure is called by the Tree object when a node is
* created and inserted into the tree. It adds a new treeview
* entry field to the node.
*
* Results:
* Returns the entry.
*
*----------------------------------------------------------------------
*/
int
Blt_TreeViewCreateEntry(
TreeView *tvPtr,
Blt_TreeNode node, /* Node that has just been created. */
int objc,
Tcl_Obj *CONST *objv,
int flags)
{
TreeViewEntry *entryPtr;
int isNew;
Blt_HashEntry *hPtr;
hPtr = Blt_CreateHashEntry(&tvPtr->entryTable, (char *)node, &isNew);
if (isNew) {
/* Create the entry structure */
entryPtr = Blt_PoolAllocItem(tvPtr->entryPool, sizeof(TreeViewEntry));
memset(entryPtr, 0, sizeof(TreeViewEntry));
entryPtr->flags = tvPtr->buttonFlags | ENTRY_CLOSED;
entryPtr->tvPtr = tvPtr;
entryPtr->labelUid = NULL;
entryPtr->node = node;
entryPtr->underline = -1;
Blt_SetHashValue(hPtr, entryPtr);
} else {
entryPtr = Blt_GetHashValue(hPtr);
}
if (Blt_TreeViewConfigureEntry(tvPtr, entryPtr, objc, objv, flags)
!= TCL_OK) {
Blt_DeleteHashEntry(&tvPtr->entryTable, hPtr);
Blt_TreeViewFreeEntry(tvPtr, entryPtr);
return TCL_ERROR; /* Error configuring the entry. */
}
tvPtr->flags |= (TV_LAYOUT | TV_DIRTY | TV_RESORT);
Blt_TreeViewEventuallyRedraw(tvPtr);
return TCL_OK;
}
/*ARGSUSED*/
static int
CreateApplyProc(
Blt_TreeNode node, /* Node that has just been created. */
ClientData clientData,
int order) /* Not used. */
{
TreeView *tvPtr = clientData;
return Blt_TreeViewCreateEntry(tvPtr, node, 0, NULL, 0);
}
/*ARGSUSED*/
static int
DeleteApplyProc(
Blt_TreeNode node,
ClientData clientData,
int order) /* Not used. */
{
TreeView *tvPtr = clientData;
/*
* Unsetting the tree value triggers a call back to destroy the entry
* and also releases the Tcl_Obj that contains it.
*/
return Blt_TreeUnsetValueByKey(tvPtr->interp, tvPtr->tree, node,
tvPtr->treeColumn.key);
}
static int
TreeEventProc(ClientData clientData, Blt_TreeNotifyEvent *eventPtr)
{
Blt_TreeNode node;
TreeView *tvPtr = clientData;
node = Blt_TreeGetNode(eventPtr->tree, eventPtr->inode);
switch (eventPtr->type) {
/* case TREE_NOTIFY_ATTACH:
puts("ATTACH");
tvPtr->flags |= TV_ATTACH;
break; */
case TREE_NOTIFY_CREATE:
return Blt_TreeViewCreateEntry(tvPtr, node, 0, NULL, 0);
case TREE_NOTIFY_DELETE:
/*
* Deleting the tree node triggers a call back to free the
* treeview entry that is associated with it.
*/
if (node != NULL) {
Blt_TreeViewFreeEntry(tvPtr, Blt_NodeToEntry(tvPtr, node));
}
break;
case TREE_NOTIFY_RELABEL:
if (node != NULL) {
TreeViewEntry *entryPtr;
entryPtr = Blt_NodeToEntry(tvPtr, node);
entryPtr->flags |= ENTRY_DIRTY;
}
/*FALLTHRU*/
case TREE_NOTIFY_MOVE:
case TREE_NOTIFY_SORT:
Blt_TreeViewEventuallyRedraw(tvPtr);
tvPtr->flags |= (TV_LAYOUT | TV_DIRTY);
break;
default:
/* empty */
break;
}
return TCL_OK;
}
TreeViewValue *
Blt_TreeViewFindValue(TreeViewEntry *entryPtr, TreeViewColumn *columnPtr)
{
register TreeViewValue *valuePtr;
for (valuePtr = entryPtr->values; valuePtr != NULL;
valuePtr = valuePtr->nextPtr) {
if (valuePtr->columnPtr == columnPtr) {
return valuePtr;
}
}
return NULL;
}
TreeViewValue *
Blt_TreeViewMakeValue(TreeView *tvPtr, TreeViewColumn *columnPtr, TreeViewEntry *entryPtr)
{
/* Add a new value only if a data entry exists. */
TreeViewValue *valuePtr = Blt_PoolAllocItem(tvPtr->valuePool,
sizeof(TreeViewValue));
valuePtr->columnPtr = columnPtr;
valuePtr->nextPtr = NULL; /*entryPtr->values; */
valuePtr->textPtr = NULL;
valuePtr->width = valuePtr->height = 0;
valuePtr->stylePtr = NULL;
valuePtr->string = NULL;
valuePtr->selected = 0;
/*entryPtr->values = valuePtr; */
return valuePtr;
}
void
Blt_TreeViewAddValue(TreeViewEntry *entryPtr, TreeViewColumn *columnPtr)
{
if (Blt_TreeViewFindValue(entryPtr, columnPtr) == NULL) {
Tcl_Obj *objPtr = NULL;
if (Blt_TreeViewGetData(entryPtr, columnPtr->key, &objPtr) == TCL_OK) {
TreeViewValue *valuePtr;
/* Add a new value only if a data entry exists. */
valuePtr = Blt_PoolAllocItem(entryPtr->tvPtr->valuePool,
sizeof(TreeViewValue));
valuePtr->columnPtr = columnPtr;
valuePtr->entryPtr = entryPtr;
valuePtr->nextPtr = entryPtr->values;
valuePtr->textPtr = NULL;
valuePtr->width = valuePtr->height = 0;
valuePtr->stylePtr = NULL;
valuePtr->string = (objPtr ? Tcl_GetString(objPtr) : NULL);
valuePtr->selected = 0;
entryPtr->values = valuePtr;
}
}
Blt_TreeViewWindowUpdate(entryPtr, columnPtr);
entryPtr->tvPtr->flags |= (TV_LAYOUT | TV_DIRTY | TV_RESORT);
entryPtr->flags |= ENTRY_DIRTY;
}
/*
*----------------------------------------------------------------------
*
* TreeTraceProc --
*
* Mirrors the individual values of the tree object (they must
* also be listed in the widget's columns chain). This is because
* it must track and save the sizes of each individual data
* entry, rather than re-computing all the sizes each time the
* widget is redrawn.
*
* This procedure is called by the Tree object when a node data
* value is set unset.
*
* Results:
* Returns TCL_OK.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
static int
TreeTraceProc(
ClientData clientData,
Tcl_Interp *interp,
Blt_TreeNode node, /* Node that has just been updated. */
Blt_TreeKey key, /* Key of value that's been updated. */
unsigned int flags)
{
Blt_HashEntry *hPtr;
TreeView *tvPtr = clientData;
TreeViewColumn *columnPtr;
TreeViewEntry *entryPtr;
hPtr = Blt_FindHashEntry(&tvPtr->entryTable, (char *)node);
if (hPtr == NULL) {
return TCL_OK; /* Not a node that we're interested in. */
}
entryPtr = Blt_GetHashValue(hPtr);
flags &= TREE_TRACE_WRITE | TREE_TRACE_READ | TREE_TRACE_UNSET;
switch (flags) {
case TREE_TRACE_WRITE:
hPtr = Blt_FindHashEntry(&tvPtr->columnTable, key);
if (hPtr == NULL) {
return TCL_OK; /* Data value isn't used by widget. */
}
columnPtr = Blt_GetHashValue(hPtr);
if (columnPtr != &tvPtr->treeColumn) {
Blt_TreeViewAddValue(entryPtr, columnPtr);
}
entryPtr->flags |= ENTRY_DIRTY;
Blt_TreeViewEventuallyRedraw(tvPtr);
tvPtr->flags |= (TV_LAYOUT | TV_DIRTY | TV_RESORT);
break;
case TREE_TRACE_UNSET:
Blt_TreeViewDeleteValue(entryPtr, key);
break;
default:
break;
}
return TCL_OK;
}
static void
GetValueSize(
TreeView *tvPtr,
TreeViewEntry *entryPtr,
TreeViewValue *valuePtr,
TreeViewStyle *stylePtr)
{
TreeViewColumn *columnPtr;
columnPtr = valuePtr->columnPtr;
valuePtr->width = valuePtr->height = 0;
if (entryPtr->flags & ENTRY_DIRTY) { /* Reparse the data. */
char *string;
TreeViewIcon icon;
Tcl_Obj *valueObjPtr;
TreeViewStyle *newStylePtr;
icon = NULL;
newStylePtr = NULL;
if (Blt_TreeViewGetData(entryPtr, valuePtr->columnPtr->key,
&valueObjPtr) != TCL_OK) {
return; /* No data ??? */
}
string = Tcl_GetString(valueObjPtr);
valuePtr->string = string;
if (tvPtr->inlineImg && string[0] == '@') { /* Name of style or Tk image. */
int objc;
Tcl_Obj **objv;
if ((Tcl_ListObjGetElements(tvPtr->interp, valueObjPtr, &objc,
&objv) != TCL_OK) || (objc < 2) || (objc > 2)) {
goto handleString;
}
if (objc > 0) {
char *name, *cmd;
cmd = tvPtr->styleCmd;
name = Tcl_GetString(objv[0]) + 1;
if (Blt_TreeViewGetStyle((Tcl_Interp *)NULL, tvPtr, name,
&newStylePtr) != TCL_OK) {
if (cmd != NULL && strcmp(cmd, "%W style create textbox %V")) {
Tcl_DString dString;
int result, isdel;
Tcl_DStringInit(&dString);
Blt_TreeViewPercentSubst(tvPtr, entryPtr, columnPtr, cmd, name, &dString);
Tcl_Preserve(entryPtr);
Tcl_Preserve(columnPtr);
/* TODO: should save/restore intep state. */
result = Tcl_GlobalEval(tvPtr->interp, Tcl_DStringValue(&dString));
isdel = ((entryPtr->flags & ENTRY_DELETED)||(columnPtr->flags & COLUMN_DELETED));
Tcl_Release(entryPtr);
Tcl_Release(columnPtr);
Tcl_DStringFree(&dString);
if (isdel || (tvPtr->flags & TV_DELETED)) {
return;
}
if (result != TCL_OK) {
goto handleString;
}
if (Blt_TreeViewGetStyle((Tcl_Interp *)NULL, tvPtr,
name, &newStylePtr) != TCL_OK) {
goto handleString;
}
Tcl_ResetResult(tvPtr->interp);
} else {
icon = Blt_TreeViewGetIcon(tvPtr, name);
if (icon == NULL) {
goto handleString;
}
/* Create a new style by the name of the image. */
newStylePtr = Blt_TreeViewCreateStyle((Tcl_Interp *)NULL,
tvPtr, STYLE_TEXTBOX, name);
if (newStylePtr == NULL) {
goto handleString;
}
Blt_TreeViewUpdateStyleGCs(tvPtr, newStylePtr);
}
}
}
if (valuePtr->stylePtr != NULL) {
Blt_TreeViewFreeStyle(tvPtr, valuePtr->stylePtr);
}
if (icon != NULL) {
Blt_TreeViewSetStyleIcon(tvPtr, newStylePtr, icon);
}
valuePtr->stylePtr = newStylePtr;
if (objc!=2) {
valuePtr->string = NULL;
} else {
/* valuePtr->string = Tcl_GetString(objv[1]) */
valuePtr->string = strstr(Tcl_GetString(valueObjPtr) + strlen(Tcl_GetString(objv[0]))+1, Tcl_GetString(objv[1]));
}
}
if (valuePtr->stylePtr && valuePtr->stylePtr->icon && !valuePtr->stylePtr->hidden) {
icon = valuePtr->stylePtr->icon;
if (icon->height > valuePtr->height) {
valuePtr->height = icon->height;
}
} else if (columnPtr->stylePtr && columnPtr->stylePtr->icon) {
icon = columnPtr->stylePtr->icon;
if (icon->height > valuePtr->height) {
valuePtr->height = icon->height;
}
}
if (valuePtr->stylePtr && valuePtr->stylePtr->hidden) {
return;
}
}
handleString:
stylePtr = CHOOSE3(tvPtr->stylePtr, columnPtr->stylePtr, valuePtr->stylePtr);
/* Measure the text string. */
(*stylePtr->classPtr->measProc)(tvPtr, stylePtr, valuePtr);
}
static void
GetRowExtents(
TreeView *tvPtr,
TreeViewEntry *entryPtr,
int *widthPtr,
int *heightPtr)
{
TreeViewValue *valuePtr;
int valueWidth; /* Width of individual value. */
int width, height; /* Compute dimensions of row. */
TreeViewStyle *stylePtr;
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
width = height = 0;
#if 1
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr); linkPtr != NULL;
linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
if (columnPtr == &tvPtr->treeColumn || columnPtr->hidden) continue;
for (valuePtr = entryPtr->values; valuePtr != NULL;
valuePtr = valuePtr->nextPtr) {
if (valuePtr->columnPtr == columnPtr) break;
}
if (valuePtr == NULL) {
if (!(tvPtr->flags & TV_FILL_NULL)) continue;
valuePtr = columnPtr->defValue;
stylePtr = CHOOSE(tvPtr->stylePtr, columnPtr->stylePtr);
if (stylePtr && stylePtr->icon) {
if (stylePtr->icon->height > height) {
height = stylePtr->icon->height;
}
width += valueWidth;
}
continue;
}
stylePtr = valuePtr->stylePtr;
if (stylePtr && stylePtr->hidden) continue;
if (stylePtr == NULL ) {
stylePtr = CHOOSE(tvPtr->stylePtr, columnPtr->stylePtr);
}
if ((entryPtr->flags & ENTRY_DIRTY) ||
(stylePtr->flags & STYLE_DIRTY)) {
GetValueSize(tvPtr, entryPtr, valuePtr, stylePtr);
}
if (valuePtr->height > height) {
height = valuePtr->height;
}
valueWidth = valuePtr->width;
width += valueWidth;
}
#else
/* This fails to ignore hidden columns or account for sizes in unset values */
/* which is a problem when a column style has set an icon. */
for (valuePtr = entryPtr->values; valuePtr != NULL;
valuePtr = valuePtr->nextPtr) {
stylePtr = valuePtr->stylePtr;
if (stylePtr == NULL) {
stylePtr = CHOOSE(tvPtr->stylePtr, valuePtr->columnPtr->stylePtr);
}
if ((entryPtr->flags & ENTRY_DIRTY) ||
(stylePtr->flags & STYLE_DIRTY)) {
GetValueSize(tvPtr, entryPtr, valuePtr, stylePtr);
}
if (valuePtr->height > height) {
height = valuePtr->height;
}
valueWidth = valuePtr->width;
width += valueWidth;
}
#endif
*widthPtr = width;
*heightPtr = height;
}
/*
*----------------------------------------------------------------------
*
* Blt_TreeViewNearestEntry --
*
* Finds the entry closest to the given screen X-Y coordinates
* in the viewport.
*
* Results:
* Returns the pointer to the closest node. If no node is
* visible (nodes may be hidden), NULL is returned.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
TreeViewEntry *
Blt_TreeViewNearestEntry(TreeView *tvPtr, int x, int y, int selectOne)
{
TreeViewEntry *lastPtr, *entryPtr;
register TreeViewEntry **p;
/*
* We implicitly can pick only visible entries. So make sure that
* the tree exists.
*/
if (tvPtr->nVisible == 0) {
return NULL;
}
if (y < tvPtr->titleHeight) {
return (selectOne) ? tvPtr->visibleArr[0] : NULL;
}
/*
* Since the entry positions were previously computed in world
* coordinates, convert Y-coordinate from screen to world
* coordinates too.
*/
y = WORLDY(tvPtr, y);
lastPtr = tvPtr->visibleArr[0];
for (p = tvPtr->visibleArr; p != NULL && *p != NULL; p++) {
entryPtr = *p;
/*
* If the start of the next entry starts beyond the point,
* use the last entry.
*/
if (entryPtr->worldY > y) {
return (selectOne) ? entryPtr : NULL;
}
if (y < (entryPtr->worldY + entryPtr->height)) {
return entryPtr; /* Found it. */
}
lastPtr = entryPtr;
}
return (selectOne) ? lastPtr : NULL;
}
ClientData
Blt_TreeViewEntryTag(TreeView *tvPtr, CONST char *string)
{
Blt_HashEntry *hPtr;
int isNew; /* Not used. */
hPtr = Blt_CreateHashEntry(&tvPtr->entryTagTable, string, &isNew);
if (hPtr == NULL) {
return NULL;
}
return Blt_GetHashKey(&tvPtr->entryTagTable, hPtr);
}
ClientData
Blt_TreeViewButtonTag(TreeView *tvPtr, CONST char *string)
{
Blt_HashEntry *hPtr;
int isNew; /* Not used. */
hPtr = Blt_CreateHashEntry(&tvPtr->buttonTagTable, string, &isNew);
if (hPtr == NULL) {
return NULL;
}
return Blt_GetHashKey(&tvPtr->buttonTagTable, hPtr);
}
ClientData
Blt_TreeViewColumnTag(TreeView *tvPtr, CONST char *string)
{
Blt_HashEntry *hPtr;
int isNew; /* Not used. */
hPtr = Blt_CreateHashEntry(&tvPtr->columnTagTable, string, &isNew);
if (hPtr == NULL) {
return NULL;
}
return Blt_GetHashKey(&tvPtr->columnTagTable, hPtr);
}
ClientData
Blt_TreeViewStyleTag(TreeView *tvPtr, CONST char *string)
{
Blt_HashEntry *hPtr;
int isNew; /* Not used. */
hPtr = Blt_CreateHashEntry(&tvPtr->styleTagTable, string, &isNew);
if (hPtr == NULL) {
return NULL;
}
return Blt_GetHashKey(&tvPtr->styleTagTable, hPtr);
}
static void
GetTags(
Blt_BindTable table,
ClientData object, /* Object picked. */
ClientData context, /* Context of object. */
Blt_List ids) /* (out) List of binding ids to be
* applied for this object. */
{
TreeView *tvPtr;
int nNames;
char **names;
register char **p;
tvPtr = Blt_GetBindingData(table);
if (context == (ClientData)ITEM_ENTRY_BUTTON) {
TreeViewEntry *entryPtr = object;
Blt_ListAppend(ids, Blt_TreeViewButtonTag(tvPtr, "Button"), 0);
if (entryPtr->tagsUid != NULL) {
if (Tcl_SplitList((Tcl_Interp *)NULL, entryPtr->tagsUid, &nNames,
&names) == TCL_OK) {
for (p = names; *p != NULL; p++) {
Blt_ListAppend(ids, Blt_TreeViewButtonTag(tvPtr, *p), 0);
}
Blt_Free(names);
}
} else {
Blt_ListAppend(ids, Blt_TreeViewButtonTag(tvPtr, "Entry"), 0);
Blt_ListAppend(ids, Blt_TreeViewButtonTag(tvPtr, "all"), 0);
}
} else if (context == (ClientData)ITEM_COLUMN_TITLE) {
TreeViewColumn *columnPtr = object;
Blt_ListAppend(ids, (char *)columnPtr, 0);
if (columnPtr->tagsUid != NULL) {
if (Tcl_SplitList((Tcl_Interp *)NULL, columnPtr->tagsUid, &nNames,
&names) == TCL_OK) {
for (p = names; *p != NULL; p++) {
Blt_ListAppend(ids, Blt_TreeViewColumnTag(tvPtr, *p), 0);
}
Blt_Free(names);
}
}
} else if (context == ITEM_COLUMN_RULE) {
Blt_ListAppend(ids, Blt_TreeViewColumnTag(tvPtr, "Rule"), 0);
} else {
TreeViewEntry *entryPtr = object;
Blt_ListAppend(ids, (char *)entryPtr, 0);
if (entryPtr->tagsUid != NULL) {
if (Tcl_SplitList((Tcl_Interp *)NULL, entryPtr->tagsUid, &nNames,
&names) == TCL_OK) {
for (p = names; *p != NULL; p++) {
Blt_ListAppend(ids, Blt_TreeViewEntryTag(tvPtr, *p), 0);
}
Blt_Free(names);
}
} else if (context == ITEM_ENTRY){
Blt_ListAppend(ids, Blt_TreeViewEntryTag(tvPtr, "Entry"), 0);
Blt_ListAppend(ids, Blt_TreeViewEntryTag(tvPtr, "all"), 0);
} else {
TreeViewValue *valuePtr = context;
if (valuePtr != NULL) {
TreeViewStyle *stylePtr = valuePtr->stylePtr;
if (stylePtr == NULL) {
stylePtr = CHOOSE(tvPtr->stylePtr, valuePtr->columnPtr->stylePtr);
}
Blt_ListAppend(ids,
Blt_TreeViewEntryTag(tvPtr, stylePtr->name), 0);
Blt_ListAppend(ids,
Blt_TreeViewEntryTag(tvPtr, valuePtr->columnPtr->key), 0);
Blt_ListAppend(ids,
Blt_TreeViewEntryTag(tvPtr, stylePtr->classPtr->className),
0);
#ifndef notdef
Blt_ListAppend(ids, Blt_TreeViewEntryTag(tvPtr, "Entry"), 0);
Blt_ListAppend(ids, Blt_TreeViewEntryTag(tvPtr, "all"), 0);
#endif
}
}
}
}
/*ARGSUSED*/
static ClientData
PickItem(
ClientData clientData,
int x,
int y, /* Screen coordinates of the test point. */
ClientData *contextPtr) /* (out) Context of item selected: should
* be ITEM_ENTRY, ITEM_ENTRY_BUTTON,
* ITEM_COLUMN_TITLE,
* ITEM_COLUMN_RULE, or
* ITEM_STYLE. */
{
TreeView *tvPtr = clientData;
TreeViewEntry *entryPtr;
TreeViewColumn *columnPtr;
if (Tcl_InterpDeleted(tvPtr->interp)) {
return NULL;
}
if (contextPtr != NULL) {
*contextPtr = NULL;
}
if (tvPtr->flags & TV_DIRTY && (!(tvPtr->flags & TV_PICKING))) {
/* Can't trust the selected entry if nodes have been added or
* deleted. So recompute the layout. */
tvPtr->flags |= TV_PICKING;
if (tvPtr->flags & TV_LAYOUT) {
if (Blt_TreeViewComputeLayout(tvPtr) != TCL_OK) { return NULL; }
}
if (ComputeVisibleEntries(tvPtr) != TCL_OK) { return NULL; }
tvPtr->flags &= ~TV_PICKING;
}
columnPtr = Blt_TreeViewNearestColumn(tvPtr, x, y, contextPtr);
if ((*contextPtr != NULL) && (tvPtr->flags & TV_SHOW_COLUMN_TITLES)) {
return columnPtr;
}
if (tvPtr->nVisible == 0) {
return NULL;
}
entryPtr = Blt_TreeViewNearestEntry(tvPtr, x, y, FALSE);
if (entryPtr == NULL) {
return NULL;
}
x = WORLDX(tvPtr, x);
y = WORLDY(tvPtr, y);
if (contextPtr != NULL) {
*contextPtr = ITEM_ENTRY;
if (columnPtr != NULL) {
TreeViewValue *valuePtr;
valuePtr = Blt_TreeViewFindValue(entryPtr, columnPtr);
if (valuePtr != NULL) {
TreeViewStyle *stylePtr;
stylePtr = valuePtr->stylePtr;
if (stylePtr == NULL) {
stylePtr = CHOOSE(tvPtr->stylePtr, valuePtr->columnPtr->stylePtr);
}
if ((stylePtr->classPtr->pickProc == NULL) ||
((*stylePtr->classPtr->pickProc)(entryPtr, valuePtr,
stylePtr, x, y))) {
*contextPtr = valuePtr;
}
}
}
if (entryPtr->flags & ENTRY_HAS_BUTTON) {
TreeViewButton *buttonPtr = &tvPtr->button;
int left, right, top, bottom;
left = entryPtr->worldX + entryPtr->buttonX - BUTTON_PAD;
right = left + buttonPtr->width + 2 * BUTTON_PAD;
top = entryPtr->worldY + entryPtr->buttonY - BUTTON_PAD;
bottom = top + buttonPtr->height + 2 * BUTTON_PAD;
if ((x >= left) && (x < right) && (y >= top) && (y < bottom)) {
*contextPtr = (ClientData)ITEM_ENTRY_BUTTON;
}
}
}
return entryPtr;
}
static void
SetEntryStyle(TreeView *tvPtr, TreeViewEntry *entryPtr)
{
int level;
level = Blt_TreeNodeDepth(tvPtr->tree, entryPtr->node);
entryPtr->stylePtr = entryPtr->realStylePtr;
if (entryPtr->stylePtr == NULL && tvPtr->levelStyles != NULL) {
int m;
for (m=0; tvPtr->levelStyles[m] != NULL; m++) {
if ((m+1)==level) {
entryPtr->stylePtr = tvPtr->levelStyles[m];
break;
}
}
}
}
static int
GetEntryExtents(TreeView *tvPtr, TreeViewEntry *entryPtr)
{
Tk_Font font;
TreeViewIcon *icons, sIcons[2];
char *label;
int entryWidth, entryHeight;
int width, height;
/*
* FIXME: Use of DIRTY flag inconsistent. When does it
* mean "dirty entry"? When does it mean "dirty column"?
* Does it matter? probably
*/
if ((entryPtr->flags & ENTRY_DIRTY) || (tvPtr->flags & TV_UPDATE)) {
Tk_FontMetrics fontMetrics;
SetEntryStyle(tvPtr, entryPtr);
entryPtr->iconWidth = entryPtr->iconHeight = 0;
if (entryPtr->icons) {
icons = entryPtr->icons;
} else if (entryPtr->stylePtr && entryPtr->stylePtr->icon) {
icons = sIcons;
icons[0] = entryPtr->stylePtr->icon;
icons[1] = NULL;
} else {
icons = tvPtr->icons;
}
if (icons != NULL) {
register int i;
for (i = 0; i < 2; i++) {
if (icons[i] == NULL) {
break;
}
if (entryPtr->iconWidth < TreeViewIconWidth(icons[i])) {
entryPtr->iconWidth = TreeViewIconWidth(icons[i]);
}
if (tvPtr->flags & TV_HIDE_ICONS && tvPtr->flatView) {
continue;
}
if (entryPtr->iconHeight < TreeViewIconHeight(icons[i])) {
entryPtr->iconHeight = TreeViewIconHeight(icons[i]);
}
}
}
if ((icons == NULL) || (icons[0] == NULL)) {
entryPtr->iconWidth = DEF_ICON_WIDTH;
entryPtr->iconHeight = DEF_ICON_HEIGHT;
}
entryPtr->iconWidth += 2 * ICON_PADX;
entryPtr->iconHeight += 2 * ICON_PADY;
entryHeight = MAX(entryPtr->iconHeight, tvPtr->button.height);
if (entryPtr->stylePtr && entryPtr->stylePtr->font) {
font = entryPtr->stylePtr->font;
} else {
font = entryPtr->font;
}
if (font == NULL) {
font = Blt_TreeViewGetStyleFont(tvPtr, &tvPtr->treeColumn, tvPtr->treeColumn.stylePtr);
}
if (entryPtr->fullName != NULL) {
Blt_Free(entryPtr->fullName);
entryPtr->fullName = NULL;
}
if (entryPtr->textPtr != NULL) {
Blt_Free(entryPtr->textPtr);
entryPtr->textPtr = NULL;
}
Tk_GetFontMetrics(font, &fontMetrics);
entryPtr->lineHeight = fontMetrics.linespace;
entryPtr->lineHeight += 2 * (tvPtr->focusHeight + LABEL_PADY +
tvPtr->selBorderWidth) + tvPtr->leader;
label = GETLABEL(entryPtr);
if (label[0] == '\0') {
width = height = entryPtr->lineHeight;
} else {
TextStyle ts;
Blt_InitTextStyle(&ts);
ts.shadow.offset = entryPtr->shadow.offset;
ts.font = font;
if (tvPtr->flatView && tvPtr->showFull) {
Tcl_DString dString;
Tcl_DStringInit(&dString);
Blt_TreeViewGetFullName(tvPtr, entryPtr, TRUE, &dString);
entryPtr->fullName = Blt_Strdup(Tcl_DStringValue(&dString));
Tcl_DStringFree(&dString);
entryPtr->textPtr = Blt_GetTextLayout(entryPtr->fullName, &ts);
} else {
Tcl_Obj *fmtObj;
#define NotNullObj(p) ((p != NULL && strlen(Tcl_GetString(p))) ? p : NULL)
fmtObj = NotNullObj(tvPtr->treeColumn.formatCmd);
if (fmtObj == NULL) {
fmtObj = NotNullObj(tvPtr->formatCmd);
}
if (fmtObj == NULL) {
entryPtr->textPtr = Blt_GetTextLayout(label, &ts);
} else {
Tcl_DString cmdString;
char *string;
int result;
Tcl_Interp *interp;
int isdel;
interp = tvPtr->interp;
Tcl_Preserve(entryPtr);
Blt_TreeViewPercentSubst(tvPtr, entryPtr, &tvPtr->treeColumn, Tcl_GetString(fmtObj), label, &cmdString);
result = Tcl_GlobalEval(interp, Tcl_DStringValue(&cmdString));
Blt_TreeViewOptsInit(tvPtr);
Tcl_DStringFree(&cmdString);
isdel = ((entryPtr->flags & ENTRY_DELETED));
Tcl_Release(entryPtr);
if (isdel || (tvPtr->flags & TV_DELETED)) {
return TCL_ERROR;
}
if (result == TCL_OK) {
string = Tcl_GetStringResult(interp);
entryPtr->textPtr = Blt_GetTextLayoutStr(string, &ts);
} else {
entryPtr->textPtr = Blt_GetTextLayout(label, &ts);
}
}
}
width = entryPtr->textPtr->width;
height = entryPtr->textPtr->height;
if (entryPtr->subLabel != NULL) {
if (tvPtr->subStylePtr && tvPtr->subStylePtr->hidden) {
} else {
if (tvPtr->subStylePtr && tvPtr->subStylePtr->font) {
ts.font = tvPtr->subStylePtr->font;
}
entryPtr->subTextPtr = Blt_GetTextLayout(entryPtr->subLabel, &ts);
width += entryPtr->subTextPtr->width;
}
}
}
width += 2 * (FOCUS_WIDTH + LABEL_PADX + tvPtr->selBorderWidth);
height += 2 * (tvPtr->focusHeight + LABEL_PADY + tvPtr->selBorderWidth);
width = ODD(width);
if (entryPtr->reqHeight > height) {
height = entryPtr->reqHeight;
}
height = ODD(height);
entryWidth = width;
if (entryHeight < height) {
entryHeight = height;
}
entryPtr->labelWidth = width;
entryPtr->labelHeight = height;
} else {
entryHeight = entryPtr->labelHeight;
entryWidth = entryPtr->labelWidth;
}
/*
* Find the maximum height of the data value entries. This also has
* the side effect of contributing the maximum width of the column.
*/
GetRowExtents(tvPtr, entryPtr, &width, &height);
if (entryHeight < height) {
entryHeight = height;
}
entryPtr->width = entryWidth + tvPtr->levelPad + COLUMN_PAD;
entryPtr->height = entryHeight + tvPtr->leader;
if (entryPtr->height<tvPtr->reqMin) {
entryPtr->height = tvPtr->reqMin;
}
/*
* Force the height of the entry to an even number. This is to
* make the dots or the vertical line segments coincide with the
* start of the horizontal lines.
*/
if (entryPtr->height & 0x01) {
entryPtr->height++;
}
entryPtr->flags &= ~ENTRY_DIRTY;
return TCL_OK;
}
/*
* TreeView Procedures
*/
static void
widgetWorldChanged(ClientData clientData)
{
TreeView *tvPtr = (TreeView *)clientData;
Blt_TreeViewRelayout(tvPtr);
}
/*
* ----------------------------------------------------------------------
*
* CreateTreeView --
*
* ----------------------------------------------------------------------
*/
static TreeView *
CreateTreeView(
Tcl_Interp *interp,
Tcl_Obj *objPtr, /* Name of the new widget. */
CONST char *className)
{
Tk_Window tkwin;
TreeView *tvPtr;
char *name;
Tcl_DString dString;
int result;
name = Tcl_GetString(objPtr);
tkwin = Tk_CreateWindowFromPath(interp, Tk_MainWindow(interp), name,
(char *)NULL);
if (tkwin == NULL) {
return NULL;
}
Tk_SetClass(tkwin, (char *)className);
tvPtr = Blt_Calloc(1, sizeof(TreeView));
assert(tvPtr);
tvPtr->tkwin = tkwin;
tvPtr->display = Tk_Display(tkwin);
tvPtr->interp = interp;
tvPtr->flags = (TV_HIDE_ROOT | TV_SHOW_COLUMN_TITLES | TV_FILL_NULL |
TV_DIRTY | TV_LAYOUT | TV_RESORT);
tvPtr->leader = 0;
tvPtr->dashes = 1;
tvPtr->highlightWidth = 0;
tvPtr->selBorderWidth = 1;
tvPtr->borderWidth = 0;
tvPtr->relief = TK_RELIEF_SUNKEN;
tvPtr->selRelief = TK_RELIEF_FLAT;
tvPtr->scrollMode = BLT_SCROLL_MODE_HIERBOX;
tvPtr->selectMode = SELECT_MODE_SINGLE;
tvPtr->button.closeRelief = tvPtr->button.openRelief = TK_RELIEF_SOLID;
tvPtr->reqWidth = 200;
tvPtr->reqHeight = 200;
tvPtr->xScrollUnits = tvPtr->yScrollUnits = 20;
tvPtr->lineWidth = 1;
tvPtr->button.borderWidth = 1;
tvPtr->colChainPtr = Blt_ChainCreate();
tvPtr->buttonFlags = BUTTON_AUTO;
tvPtr->selChainPtr = Blt_ChainCreate();
tvPtr->tile = NULL;
tvPtr->selectTile = NULL;
tvPtr->scrollTile = 0;
tvPtr->nextIdx = 1;
tvPtr->nextSubIdx = 1;
Blt_InitHashTableWithPool(&tvPtr->entryTable, BLT_ONE_WORD_KEYS);
Blt_InitHashTable(&tvPtr->columnTable, BLT_STRING_KEYS);
/*Blt_InitHashTable(&tvPtr->columnTable, BLT_ONE_WORD_KEYS); */
Blt_InitHashTable(&tvPtr->iconTable, BLT_STRING_KEYS);
Blt_InitHashTable(&tvPtr->selectTable, BLT_ONE_WORD_KEYS);
Blt_InitHashTable(&tvPtr->uidTable, BLT_STRING_KEYS);
Blt_InitHashTable(&tvPtr->styleTable, BLT_STRING_KEYS);
tvPtr->bindTable = Blt_CreateBindingTable(interp, tkwin, tvPtr, PickItem,
GetTags);
Blt_InitHashTable(&tvPtr->entryTagTable, BLT_STRING_KEYS);
Blt_InitHashTable(&tvPtr->columnTagTable, BLT_STRING_KEYS);
Blt_InitHashTable(&tvPtr->buttonTagTable, BLT_STRING_KEYS);
Blt_InitHashTable(&tvPtr->styleTagTable, BLT_STRING_KEYS);
Blt_InitHashTable(&tvPtr->winTable, BLT_STRING_KEYS);
Blt_InitHashTable(&tvPtr->winCellTable, BLT_STRING_KEYS);
tvPtr->entryPool = Blt_PoolCreate(BLT_FIXED_SIZE_ITEMS);
tvPtr->valuePool = Blt_PoolCreate(BLT_FIXED_SIZE_ITEMS);
#if (TK_MAJOR_VERSION > 4)
Blt_SetWindowInstanceData(tkwin, tvPtr);
#endif
tvPtr->cmdToken = Tcl_CreateObjCommand(interp, Tk_PathName(tvPtr->tkwin),
Blt_TreeViewWidgetInstCmd, tvPtr, WidgetInstCmdDeleteProc);
#ifdef ITCL_NAMESPACES
Itk_SetWidgetCommand(tvPtr->tkwin, tvPtr->cmdToken);
#endif
Tk_CreateSelHandler(tvPtr->tkwin, XA_PRIMARY, XA_STRING, SelectionProc,
tvPtr, XA_STRING);
Tk_CreateEventHandler(tvPtr->tkwin, ExposureMask | StructureNotifyMask |
FocusChangeMask, TreeViewEventProc, tvPtr);
/*
* Create a default style. This must exist before we can create
* the treeview column.
*/
if ((tvPtr->stylePtr = Blt_TreeViewCreateStyle(interp, tvPtr, STYLE_TEXTBOX,
"text")) == NULL) {
return NULL;
}
/* Create a default column to display the view of the tree. */
Tcl_DStringInit(&dString);
Tcl_DStringAppend(&dString, "#0", -1);
/*Tcl_DStringAppend(&dString, "BLT TreeView ", -1);
Tcl_DStringAppend(&dString, Tk_PathName(tvPtr->tkwin), -1);*/
result = Blt_TreeViewCreateColumn(tvPtr, &tvPtr->treeColumn,
Tcl_DStringValue(&dString), "");
Tcl_DStringFree(&dString);
if (result != TCL_OK) {
return NULL;
}
Blt_ChainAppend(tvPtr->colChainPtr, &tvPtr->treeColumn);
tvPtr->treeColumn.linkPtr = tvPtr->colChainPtr->headPtr;
Tk_SetClassProcs(tkwin, &treeviewClass, (ClientData)tvPtr);
return tvPtr;
}
/*
* ----------------------------------------------------------------------
*
* DestroyTreeView --
*
* This procedure is invoked by Tcl_EventuallyFree or Tcl_Release
* to clean up the internal structure of a TreeView at a safe time
* (when no-one is using it anymore).
*
* Results:
* None.
*
* Side effects:
* Everything associated with the widget is freed up.
*
* ----------------------------------------------------------------------
*/
static void
DestroyTreeView(DestroyData dataPtr) /* Pointer to the widget record. */
{
Blt_HashEntry *hPtr;
Blt_HashSearch cursor;
TreeView *tvPtr = (TreeView *)dataPtr;
TreeViewButton *buttonPtr;
TreeViewEntry *entryPtr;
TreeViewStyle *stylePtr;
if (tvPtr->treePath != NULL) {
Blt_Free( tvPtr->treePath );
}
Blt_TreeViewDestroyColumns(tvPtr);
Blt_TreeDeleteEventHandler(tvPtr->tree, TREE_NOTIFY_ALL, TreeEventProc,
tvPtr);
for (hPtr = Blt_FirstHashEntry(&tvPtr->entryTable, &cursor); hPtr != NULL;
hPtr = Blt_NextHashEntry(&cursor)) {
entryPtr = Blt_GetHashValue(hPtr);
DestroyEntry((ClientData)entryPtr);
}
Blt_TreeViewOptsInit(tvPtr);
Blt_FreeObjOptions(tvPtr->interp,
bltTreeViewSpecs, (char *)tvPtr, tvPtr->display, 0);
Blt_FreeObjOptions(tvPtr->interp,
bltTreeViewButtonSpecs, (char *)tvPtr, tvPtr->display, 0);
if (tvPtr->tkwin != NULL) {
Tk_DeleteSelHandler(tvPtr->tkwin, XA_PRIMARY, XA_STRING);
tvPtr->tkwin = NULL;
}
if (tvPtr->lineGC != NULL) {
Tk_FreeGC(tvPtr->display, tvPtr->lineGC);
tvPtr->lineGC = NULL;
}
if (tvPtr->solidGC != NULL) {
Tk_FreeGC(tvPtr->display, tvPtr->solidGC);
tvPtr->solidGC = NULL;
}
if (tvPtr->focusGC != NULL) {
Blt_FreePrivateGC(tvPtr->display, tvPtr->focusGC);
tvPtr->focusGC = NULL;
}
if (tvPtr->visibleArr != NULL) {
Blt_Free(tvPtr->visibleArr);
tvPtr->visibleArr = NULL;
}
if (tvPtr->flatArr != NULL) {
Blt_Free(tvPtr->flatArr);
tvPtr->flatArr = NULL;
}
if (tvPtr->levelInfo != NULL) {
Blt_Free(tvPtr->levelInfo);
tvPtr->levelInfo = NULL;
}
buttonPtr = &tvPtr->button;
if (buttonPtr->activeGC != NULL) {
Tk_FreeGC(tvPtr->display, buttonPtr->activeGC);
}
if (buttonPtr->normalGC != NULL) {
Tk_FreeGC(tvPtr->display, buttonPtr->normalGC);
buttonPtr->normalGC = NULL;
}
if (tvPtr->stylePtr != NULL) {
tvPtr->stylePtr->refCount = 1;
Blt_TreeViewFreeStyle(tvPtr, tvPtr->stylePtr);
tvPtr->stylePtr = NULL;
}
Blt_DestroyBindingTable(tvPtr->bindTable);
tvPtr->bindTable = NULL;
Blt_ChainDestroy(tvPtr->selChainPtr);
tvPtr->selChainPtr = NULL;
Blt_DeleteHashTable(&tvPtr->entryTagTable);
Blt_DeleteHashTable(&tvPtr->columnTagTable);
Blt_DeleteHashTable(&tvPtr->buttonTagTable);
Blt_DeleteHashTable(&tvPtr->styleTagTable);
for (hPtr = Blt_FirstHashEntry(&tvPtr->styleTable, &cursor); hPtr != NULL;
hPtr = Blt_NextHashEntry(&cursor)) {
stylePtr = Blt_GetHashValue(hPtr);
/* stylePtr->refCount = 0; */
stylePtr->flags &= ~STYLE_USER;
stylePtr->refCount = 1;
Blt_TreeViewFreeStyle(tvPtr, stylePtr);
}
if (tvPtr->comboWin != NULL) {
Tk_DestroyWindow(tvPtr->comboWin);
tvPtr->comboWin = NULL;
}
Blt_DeleteHashTable(&tvPtr->styleTable);
Blt_TreeViewFreeWindows(tvPtr);
Blt_DeleteHashTable(&tvPtr->winTable);
Blt_DeleteHashTable(&tvPtr->winCellTable);
Blt_DeleteHashTable(&tvPtr->selectTable);
Blt_DeleteHashTable(&tvPtr->uidTable);
Blt_DeleteHashTable(&tvPtr->entryTable);
Blt_PoolDestroy(tvPtr->entryPool);
tvPtr->entryPool = NULL;
Blt_PoolDestroy(tvPtr->valuePool);
tvPtr->valuePool = NULL;
DumpIconTable(tvPtr);
Blt_Free(tvPtr);
}
/*
*----------------------------------------------------------------------
*
* Blt_TreeViewTileChangedProc
*
* Stub for image change notifications. Since we immediately draw
* the image into a pixmap, we don't care about image changes.
*
* It would be better if Tk checked for NULL proc pointers.
*
* Results:
* None.
*
*----------------------------------------------------------------------
*/
/*ARGSUSED*/
void
Blt_TreeViewTileChangedProc(clientData, tile)
ClientData clientData;
Blt_Tile tile; /* Not used. */
{
TreeView *tvPtr = clientData;
if (tvPtr->tkwin != NULL) {
Blt_TreeViewEventuallyRedraw(tvPtr);
}
}
/*
* --------------------------------------------------------------
*
* TreeViewEventProc --
*
* This procedure is invoked by the Tk dispatcher for various
* events on treeview widgets.
*
* Results:
* None.
*
* Side effects:
* When the window gets deleted, internal structures get
* cleaned up. When it gets exposed, it is redisplayed.
*
* --------------------------------------------------------------
*/
static void
TreeViewEventProc(
ClientData clientData, /* Information about window. */
XEvent *eventPtr) /* Information about event. */
{
TreeView *tvPtr = clientData;
if (Tcl_InterpDeleted(tvPtr->interp)) {
return;
}
if (eventPtr->type == Expose) {
if (eventPtr->xexpose.count == 0) {
Blt_TreeViewEventuallyRedraw(tvPtr);
Blt_PickCurrentItem(tvPtr->bindTable);
}
} else if (eventPtr->type == ConfigureNotify) {
tvPtr->flags |= (TV_LAYOUT | TV_SCROLL);
Blt_TreeViewEventuallyRedraw(tvPtr);
} else if ((eventPtr->type == FocusIn) || (eventPtr->type == FocusOut)) {
if (eventPtr->xfocus.detail != NotifyInferior) {
if (eventPtr->type == FocusIn) {
tvPtr->flags |= TV_FOCUS;
} else {
tvPtr->flags &= ~TV_FOCUS;
}
Blt_TreeViewEventuallyRedraw(tvPtr);
}
} else if (eventPtr->type == DestroyNotify) {
tvPtr->flags |= TV_DELETED;
if (tvPtr->cmdToken != NULL) {
/* tvPtr->tkwin = NULL; */
Tcl_DeleteCommandFromToken(tvPtr->interp, tvPtr->cmdToken);
tvPtr->cmdToken = NULL;
}
if (tvPtr->flags & TV_REDRAW) {
Tcl_CancelIdleCall(DisplayTreeView, tvPtr);
}
if (tvPtr->flags & TV_SELECT_PENDING) {
Tcl_CancelIdleCall(Blt_TreeViewSelectCmdProc, tvPtr);
}
Tcl_EventuallyFree(tvPtr, DestroyTreeView);
}
}
/* Selection Procedures */
/*
*----------------------------------------------------------------------
*
* SelectionProc --
*
* This procedure is called back by Tk when the selection is
* requested by someone. It returns part or all of the selection
* in a buffer provided by the caller.
*
* Results:
* The return value is the number of non-NULL bytes stored at
* buffer. Buffer is filled (or partially filled) with a
* NUL-terminated string containing part or all of the
* selection, as given by offset and maxBytes.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static int
SelectionProc(
ClientData clientData, /* Information about the widget. */
int offset, /* Offset within selection of first
* character to be returned. */
char *buffer, /* Location in which to place
* selection. */
int maxBytes) /* Maximum number of bytes to place
* at buffer, not including terminating
* NULL character. */
{
Tcl_DString dString;
TreeView *tvPtr = clientData;
TreeViewEntry *entryPtr;
int size;
if (Tcl_InterpDeleted(tvPtr->interp)) {
return -1;
}
if ((tvPtr->flags & TV_SELECT_EXPORT) == 0) {
return -1;
}
/*
* Retrieve the names of the selected entries.
*/
Tcl_DStringInit(&dString);
if (tvPtr->flags & TV_SELECT_SORTED) {
Blt_ChainLink *linkPtr;
for (linkPtr = Blt_ChainFirstLink(tvPtr->selChainPtr);
linkPtr != NULL; linkPtr = Blt_ChainNextLink(linkPtr)) {
entryPtr = Blt_ChainGetValue(linkPtr);
Tcl_DStringAppend(&dString, GETLABEL(entryPtr), -1);
Tcl_DStringAppend(&dString, "\n", -1);
}
} else {
for (entryPtr = tvPtr->rootPtr; entryPtr != NULL;
entryPtr = Blt_TreeViewNextEntry(entryPtr, ENTRY_MASK)) {
if (Blt_TreeViewEntryIsSelected(tvPtr, entryPtr, NULL)) {
Tcl_DStringAppend(&dString, GETLABEL(entryPtr), -1);
Tcl_DStringAppend(&dString, "\n", -1);
}
}
}
size = Tcl_DStringLength(&dString) - offset;
strncpy(buffer, Tcl_DStringValue(&dString) + offset, maxBytes);
Tcl_DStringFree(&dString);
buffer[maxBytes] = '\0';
return (size > maxBytes) ? maxBytes : size;
}
/*
*----------------------------------------------------------------------
*
* WidgetInstCmdDeleteProc --
*
* This procedure is invoked when a widget command is deleted. If
* the widget isn't already in the process of being destroyed,
* this command destroys it.
*
* Results:
* None.
*
* Side effects:
* The widget is destroyed.
*
*----------------------------------------------------------------------
*/
static void
WidgetInstCmdDeleteProc(ClientData clientData)
{
TreeView *tvPtr = clientData;
/*
* This procedure could be invoked either because the window was
* destroyed and the command was then deleted (in which case tkwin
* is NULL) or because the command was deleted, and then this
* procedure destroys the widget.
*/
if (tvPtr->tkwin != NULL) {
Tk_Window tkwin;
tkwin = tvPtr->tkwin;
tvPtr->tkwin = NULL;
Tk_DestroyWindow(tkwin);
#ifdef ITCL_NAMESPACES
Itk_SetWidgetCommand(tkwin, (Tcl_Command) NULL);
#endif /* ITCL_NAMESPACES */
}
}
void Blt_TreeViewMakeStyleDirty(tvPtr)
TreeView *tvPtr;
{
TreeViewColumn *columnPtr;
Blt_ChainLink *linkPtr;
TreeViewEntry *entryPtr;
tvPtr->flags |= (TV_LAYOUT | TV_SCROLL |TV_DIRTY);
Blt_TreeViewUpdateStyles(tvPtr);
for (entryPtr = tvPtr->rootPtr; entryPtr != NULL;
entryPtr = Blt_TreeViewNextEntry(entryPtr, 0)) {
entryPtr->flags |= ENTRY_DIRTY;
}
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr);
linkPtr != NULL; linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
if (columnPtr->stylePtr) {
columnPtr->stylePtr->flags |= STYLE_DIRTY;
}
Blt_TreeViewUpdateColumnGCs(tvPtr, columnPtr);
}
}
static int
SetupTree(Tcl_Interp *interp, TreeView *tvPtr)
{
Blt_TreeNode root = NULL;
Blt_TreeViewColumnRekey(tvPtr);
if (tvPtr->treePath != NULL) {
Blt_Free( tvPtr->treePath );
}
tvPtr->treePath = Blt_Strdup(Blt_TreeName(tvPtr->tree));
Blt_TreeCreateEventHandler(tvPtr->tree, TREE_NOTIFY_ALL, TreeEventProc,
tvPtr);
TraceColumns(tvPtr);
if (tvPtr->rootNodeNum == 0 ||
(root=Blt_TreeGetNode(tvPtr->tree, tvPtr->rootNodeNum)) == NULL) {
root = Blt_TreeRootNode(tvPtr->tree);
}
tvPtr->rootNode = root;
/* Automatically add view-entry values to the new tree. */
Blt_TreeApply(root, CreateApplyProc, tvPtr);
tvPtr->focusPtr = tvPtr->rootPtr = Blt_NodeToEntry(tvPtr, root);
tvPtr->selMarkPtr = tvPtr->selAnchorPtr = NULL;
Blt_SetFocusItem(tvPtr->bindTable, tvPtr->rootPtr, ITEM_ENTRY);
/* Automatically open the root node. */
if (Blt_TreeViewOpenEntry(tvPtr, tvPtr->rootPtr) != TCL_OK) {
return TCL_ERROR;
}
if (!(tvPtr->flags & TV_NEW_TAGS)) {
Blt_Tree tree;
if (Blt_TreeCmdGetToken(interp, Blt_TreeName(tvPtr->tree),
&tree) == TCL_OK) {
Blt_TreeShareTagTable(tree, tvPtr->tree);
} else {
Tcl_ResetResult(interp);
}
}
return TCL_OK;
}
void Blt_TreeViewChanged(TreeView *tvPtr) {
Blt_TreeNode node;
if ((tvPtr->flags & TV_ATTACH) == 0) return;
node = Blt_TreeRootNode(tvPtr->tree);
Blt_TreeApply(node, DeleteApplyProc, tvPtr);
Blt_TreeViewClearSelection(tvPtr);
Blt_TreeReleaseToken(tvPtr->tree);
tvPtr->tree = NULL;
if (Blt_TreeGetToken(tvPtr->interp, tvPtr->treePath, &tvPtr->tree) != TCL_OK) {
return;
}
tvPtr->flags &= ~TV_ATTACH;
SetupTree(tvPtr->interp, tvPtr);
}
/*
* ----------------------------------------------------------------------
*
* Blt_TreeViewUpdateWidget --
*
* Updates the GCs and other information associated with the
* treeview widget.
*
* Results:
* The return value is a standard Tcl result. If TCL_ERROR is
* returned, then interp->result contains an error message.
*
* Side effects:
* Configuration information, such as text string, colors, font,
* etc. get set for tvPtr; old resources get freed, if there
* were any. The widget is redisplayed.
*
* ----------------------------------------------------------------------
*/
static int treeIdx = 0;
int
Blt_TreeViewUpdateWidget(Tcl_Interp *interp, TreeView *tvPtr)
{
GC newGC;
XGCValues gcValues;
int setupTree;
unsigned long gcMask;
/*
* GC for dotted vertical line.
*/
gcMask = (GCForeground | GCLineWidth);
gcValues.foreground = tvPtr->lineColor->pixel;
gcValues.line_width = tvPtr->lineWidth;
if (tvPtr->dashes > 0) {
gcMask |= (GCLineStyle | GCDashList);
gcValues.line_style = LineOnOffDash;
gcValues.dashes = tvPtr->dashes;
}
newGC = Tk_GetGC(tvPtr->tkwin, gcMask, &gcValues);
if (tvPtr->lineGC != NULL) {
Tk_FreeGC(tvPtr->display, tvPtr->lineGC);
}
tvPtr->lineGC = newGC;
/*
* GC for solid line.
*/
gcMask = (GCForeground | GCLineWidth);
gcValues.foreground = tvPtr->lineColor->pixel;
gcValues.line_width = tvPtr->lineWidth;
newGC = Tk_GetGC(tvPtr->tkwin, gcMask, &gcValues);
if (tvPtr->solidGC != NULL) {
Tk_FreeGC(tvPtr->display, tvPtr->solidGC);
}
tvPtr->solidGC = newGC;
/*
* GC for active label. Dashed outline.
*/
gcMask = GCForeground | GCLineStyle;
gcValues.foreground = tvPtr->focusColor->pixel;
gcValues.line_style = (LineIsDashed(tvPtr->focusDashes))
? LineOnOffDash : LineSolid;
newGC = Blt_GetPrivateGC(tvPtr->tkwin, gcMask, &gcValues);
if (LineIsDashed(tvPtr->focusDashes)) {
tvPtr->focusDashes.offset = 2;
Blt_SetDashes(tvPtr->display, newGC, &tvPtr->focusDashes);
}
if (tvPtr->focusGC != NULL) {
Blt_FreePrivateGC(tvPtr->display, tvPtr->focusGC);
}
tvPtr->focusGC = newGC;
Blt_TreeViewConfigureButtons(tvPtr);
tvPtr->insetX = tvPtr->highlightWidth + tvPtr->borderWidth + tvPtr->padX;
tvPtr->insetY = tvPtr->highlightWidth + tvPtr->borderWidth + tvPtr->padY;
setupTree = FALSE;
/*
* If no tree object was named, allocate a new one.
* BUG: using col 0 coltitle width grows as path...
*/
if (tvPtr->tree == NULL) {
Blt_Tree token;
char *string, buf[100];
/*string = Tk_PathName(tvPtr->tkwin);*/
while (1) {
sprintf(buf, "::blt::_tree%d", treeIdx++);
string = buf;
if (Blt_TreeCreate(interp, string, &token) == TCL_OK) {
break;
}
}
tvPtr->tree = token;
Blt_TreeViewColumnRekey(tvPtr);
setupTree = TRUE;
}
/*
* If the tree object was changed, we need to setup the new one.
*/
if (Blt_ObjConfigModified(bltTreeViewSpecs, interp, "-tree",
(char *)NULL)) {
Blt_TreeViewColumnRekey(tvPtr);
setupTree = TRUE;
}
if (setupTree == FALSE && Blt_ObjConfigModified(bltTreeViewSpecs, interp,
"-rootnode", (char *)NULL)) {
Blt_TreeViewColumnRekey(tvPtr);
setupTree = TRUE;
}
/*
* These options change the layout of the box. Mark the widget for update.
*/
if (setupTree == FALSE && Blt_ObjConfigModified(bltTreeViewSpecs, interp,
"-font", "-title*", "-pad*",
"-linespacing", "-*width", "-height", "-hide*", "-flat",
"-show*", "-icons", "-activeicons", "-leaficons", "-minheight",
"-*style", "-levelstyles", "-fillnull", "-levelpad", "-formatcmd",
(char *)NULL)) {
Blt_TreeViewMakeStyleDirty(tvPtr);
}
/*
* If the tree view was changed, mark all the nodes dirty (we'll
* be switching back to either the full path name or the label)
* and free the array representing the flattened view of the tree.
*/
if (Blt_ObjConfigModified(bltTreeViewSpecs, interp, "-hide*", "-flat",
(char *)NULL)) {
TreeViewEntry *entryPtr;
tvPtr->flags |= (TV_DIRTY | TV_RESORT);
/* Mark all entries dirty. */
for (entryPtr = tvPtr->rootPtr; setupTree == FALSE && entryPtr != NULL;
entryPtr = Blt_TreeViewNextEntry(entryPtr, 0)) {
entryPtr->flags |= ENTRY_DIRTY;
}
if ((!tvPtr->flatView) && (tvPtr->flatArr != NULL)) {
Blt_Free(tvPtr->flatArr);
tvPtr->flatArr = NULL;
}
}
if ((tvPtr->reqHeight != Tk_ReqHeight(tvPtr->tkwin)) ||
(tvPtr->reqWidth != Tk_ReqWidth(tvPtr->tkwin))) {
Tk_GeometryRequest(tvPtr->tkwin, tvPtr->reqWidth, tvPtr->reqHeight);
}
if (setupTree) {
if (SetupTree(interp, tvPtr) != TCL_OK) {
return TCL_ERROR;
}
}
if (Blt_ObjConfigModified(bltTreeViewSpecs, interp, "-font", "-color",
(char *)NULL)) {
Blt_TreeViewUpdateColumnGCs(tvPtr, &tvPtr->treeColumn);
}
Blt_ObjConfigModified(bltTreeViewSpecs, interp, 0);
Blt_TreeViewEventuallyRedraw(tvPtr);
return TCL_OK;
}
/*
* ----------------------------------------------------------------------
*
* ResetCoordinates --
*
* Determines the maximum height of all visible entries.
*
* 1. Sets the worldY coordinate for all mapped/open entries.
* 2. Determines if entry needs a button.
* 3. Collects the minimum height of open/mapped entries. (Do for all
* entries upon insert).
* 4. Figures out horizontal extent of each entry (will be width of
* tree view column).
* 5. Collects maximum icon size for each level.
* 6. The height of its vertical line
*
* Results:
* Returns 1 if beyond the last visible entry, 0 otherwise.
*
* Side effects:
* The array of visible nodes is filled.
*
* ----------------------------------------------------------------------
*/
static void
ResetCoordinates(
TreeView *tvPtr,
TreeViewEntry *entryPtr,
int *yPtr)
{
int depth;
entryPtr->worldY = -1;
entryPtr->vertLineLength = -1;
if ((entryPtr != tvPtr->rootPtr) &&
(Blt_TreeViewEntryIsHidden(entryPtr))) {
return; /* If the entry is hidden, then do nothing. */
}
entryPtr->worldY = *yPtr;
entryPtr->vertLineLength = -(*yPtr);
*yPtr += entryPtr->height;
depth = DEPTH(tvPtr, entryPtr->node) + 1;
if ((tvPtr->flags & TV_HIDE_ROOT) && (entryPtr == tvPtr->rootPtr)) {
/* TODO: adjust size for non-display of root. */
tvPtr->levelInfo[depth].labelWidth = 0;
} else {
if (tvPtr->levelInfo[depth].labelWidth < entryPtr->labelWidth) {
tvPtr->levelInfo[depth].labelWidth = entryPtr->labelWidth;
}
}
if (tvPtr->levelInfo[depth].iconWidth < entryPtr->iconWidth) {
tvPtr->levelInfo[depth].iconWidth = entryPtr->iconWidth;
}
tvPtr->levelInfo[depth].iconWidth |= 0x01;
if ((entryPtr->flags & ENTRY_CLOSED) == 0) {
TreeViewEntry *bottomPtr, *childPtr;
bottomPtr = entryPtr;
for (childPtr = Blt_TreeViewFirstChild(entryPtr, ENTRY_HIDDEN);
childPtr != NULL;
childPtr = Blt_TreeViewNextSibling(childPtr, ENTRY_HIDDEN)){
ResetCoordinates(tvPtr, childPtr, yPtr);
bottomPtr = childPtr;
}
entryPtr->vertLineLength += bottomPtr->worldY;
}
}
static void
AdjustColumns(TreeView *tvPtr)
{
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
double weight;
int nOpen;
int size, avail, ration, growth;
growth = VPORTWIDTH(tvPtr) - tvPtr->worldWidth;
nOpen = 0;
weight = 0.0;
/* Find out how many columns still have space available */
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr); linkPtr != NULL;
linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
if ((columnPtr->hidden) ||
(columnPtr->weight == 0.0) ||
(columnPtr->width >= columnPtr->max) ||
(columnPtr->reqWidth > 0)) {
continue;
}
nOpen++;
weight += columnPtr->weight;
}
while ((nOpen > 0) && (weight > 0.0) && (growth > 0)) {
ration = (int)(growth / weight);
if (ration == 0) {
ration = 1;
}
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr);
linkPtr != NULL; linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
if ((columnPtr->hidden) ||
(columnPtr->weight == 0.0) ||
(columnPtr->width >= columnPtr->max) ||
(columnPtr->reqWidth > 0)) {
continue;
}
size = (int)(ration * columnPtr->weight);
if (size > growth) {
size = growth;
}
avail = columnPtr->max - columnPtr->width;
if (size > avail) {
size = avail;
nOpen--;
weight -= columnPtr->weight;
}
growth -= size;
columnPtr->width += size;
}
}
}
/*
* ----------------------------------------------------------------------
*
* ComputeFlatLayout --
*
* Recompute the layout when entries are opened/closed,
* inserted/deleted, or when text attributes change (such as
* font, linespacing).
*
* Results:
* None.
*
* Side effects:
* The world coordinates are set for all the opened entries.
*
* ----------------------------------------------------------------------
*/
static int
ComputeFlatLayout(TreeView *tvPtr)
{
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
TreeViewEntry **p;
TreeViewEntry *entryPtr;
int count;
int maxX;
int y;
/*
* Pass 1: Reinitialize column sizes and loop through all nodes.
*
* 1. Recalculate the size of each entry as needed.
* 2. The maximum depth of the tree.
* 3. Minimum height of an entry. Dividing this by the
* height of the widget gives a rough estimate of the
* maximum number of visible entries.
* 4. Build an array to hold level information to be filled
* in on pass 2.
*/
if (tvPtr->flags & (TV_DIRTY | TV_UPDATE)) {
int position;
/* Reset the positions of all the columns and initialize the
* column used to track the widest value. */
position = 1;
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr);
linkPtr != NULL; linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
columnPtr->maxWidth = 0;
columnPtr->max = SHRT_MAX;
if (columnPtr->reqMax > 0) {
columnPtr->max = columnPtr->reqMax;
}
columnPtr->position = position;
position++;
}
/* If the view needs to be resorted, free the old view. */
if ((tvPtr->flags & TV_RESORT) && (tvPtr->flatArr != NULL)) {
Blt_Free(tvPtr->flatArr);
tvPtr->flatArr = NULL;
}
/* Recreate the flat view of all the open and not-hidden entries. */
if (tvPtr->flatArr == NULL) {
count = 0;
/* Count the number of open entries to allocate for the array. */
for (entryPtr = tvPtr->rootPtr; entryPtr != NULL;
entryPtr = Blt_TreeViewNextEntry(entryPtr, ENTRY_MASK)) {
if ((tvPtr->flags & TV_HIDE_ROOT) &&
(entryPtr == tvPtr->rootPtr)) {
continue;
}
count++;
}
tvPtr->nEntries = count;
/* Allocate an array for the flat view. */
tvPtr->flatArr = Blt_Calloc((count + 1), sizeof(TreeViewEntry *));
assert(tvPtr->flatArr);
/* Fill the array with open and not-hidden entries */
p = tvPtr->flatArr;
for (entryPtr = tvPtr->rootPtr; entryPtr != NULL;
entryPtr = Blt_TreeViewNextEntry(entryPtr, ENTRY_MASK)) {
if ((tvPtr->flags & TV_HIDE_ROOT) &&
(entryPtr == tvPtr->rootPtr)) {
continue;
}
*p++ = entryPtr;
}
*p = NULL;
tvPtr->flags &= ~TV_SORTED; /* Indicate the view isn't sorted. */
}
/* Collect the extents of the entries in the flat view. */
tvPtr->depth = 0;
tvPtr->minHeight = SHRT_MAX;
for (p = tvPtr->flatArr; p != NULL && *p != NULL; p++) {
entryPtr = *p;
if (GetEntryExtents(tvPtr, entryPtr) != TCL_OK) { return TCL_ERROR; }
if (tvPtr->minHeight > entryPtr->height) {
tvPtr->minHeight = entryPtr->height;
}
entryPtr->flags &= ~ENTRY_HAS_BUTTON;
}
if (tvPtr->levelInfo != NULL) {
Blt_Free(tvPtr->levelInfo);
}
tvPtr->levelInfo = Blt_Calloc(tvPtr->depth + 2, sizeof(LevelInfo));
assert(tvPtr->levelInfo);
tvPtr->flags &= ~(TV_DIRTY | TV_UPDATE | TV_RESORT);
if (tvPtr->flags & TV_SORT_AUTO) {
/* If we're auto-sorting, schedule the view to be resorted. */
tvPtr->flags |= TV_SORT_PENDING;
}
}
if (tvPtr->flags & TV_SORT_PENDING) {
Blt_TreeViewSortFlatView(tvPtr);
}
tvPtr->levelInfo[0].labelWidth = tvPtr->levelInfo[0].x =
tvPtr->levelInfo[0].iconWidth = 0;
/*
* Pass 2: Loop through all open/mapped nodes.
*
* 1. Set world y-coordinates for entries. We must defer
* setting the x-coordinates until we know the maximum
* icon sizes at each level.
* 2. Compute the maximum depth of the tree.
* 3. Build an array to hold level information.
*/
y = 0;
count = 0;
if (tvPtr->flags & TV_HIDE_ICONS) {
tvPtr->levelInfo[0].iconWidth = 5;
}
for(p = tvPtr->flatArr; p != NULL && *p != NULL; p++) {
entryPtr = *p;
entryPtr->flatIndex = count++;
entryPtr->worldY = y;
entryPtr->vertLineLength = 0;
y += entryPtr->height;
if (tvPtr->levelInfo[0].labelWidth < entryPtr->labelWidth) {
tvPtr->levelInfo[0].labelWidth = entryPtr->labelWidth;
}
if (tvPtr->flags & TV_HIDE_ICONS) {
continue;
}
if (tvPtr->levelInfo[0].iconWidth < entryPtr->iconWidth) {
tvPtr->levelInfo[0].iconWidth = entryPtr->iconWidth;
}
}
tvPtr->levelInfo[0].iconWidth |= 0x01;
tvPtr->worldHeight = y; /* Set the scroll height of the hierarchy. */
if (tvPtr->worldHeight < 1) {
tvPtr->worldHeight = 1;
}
maxX = tvPtr->levelInfo[0].iconWidth + tvPtr->levelInfo[0].labelWidth;
tvPtr->treeColumn.maxWidth = maxX;
tvPtr->treeWidth = maxX;
tvPtr->flags |= TV_VIEWPORT;
return TCL_OK;
}
/*
* ----------------------------------------------------------------------
*
* ComputeTreeLayout --
*
* Recompute the layout when entries are opened/closed,
* inserted/deleted, or when text attributes change (such as
* font, linespacing).
*
* Results:
* None.
*
* Side effects:
* The world coordinates are set for all the opened entries.
*
* ----------------------------------------------------------------------
*/
static int
ComputeTreeLayout(TreeView *tvPtr)
{
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
TreeViewEntry *entryPtr;
int maxX, x, y;
int sum;
register int i;
int hr;
hr = ((tvPtr->flags & TV_HIDE_ROOT) ? 1 : 0);
/*
* Pass 1: Reinitialize column sizes and loop through all nodes.
*
* 1. Recalculate the size of each entry as needed.
* 2. The maximum depth of the tree.
* 3. Minimum height of an entry. Dividing this by the
* height of the widget gives a rough estimate of the
* maximum number of visible entries.
* 4. Build an array to hold level information to be filled
* in on pass 2.
*/
if (tvPtr->flags & TV_DIRTY) {
int position;
position = 1;
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr);
linkPtr != NULL; linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
columnPtr->maxWidth = 0;
columnPtr->max = SHRT_MAX;
if (columnPtr->reqMax > 0) {
columnPtr->max = columnPtr->reqMax;
}
columnPtr->position = position;
position++;
}
tvPtr->minHeight = SHRT_MAX;
tvPtr->depth = 0;
for (entryPtr = tvPtr->rootPtr; entryPtr != NULL;
entryPtr = Blt_TreeViewNextEntry(entryPtr, 0)) {
if (GetEntryExtents(tvPtr, entryPtr) != TCL_OK) { return TCL_ERROR; }
if (tvPtr->minHeight > entryPtr->height) {
tvPtr->minHeight = entryPtr->height;
}
/*
* Determine if the entry should display a button
* (indicating that it has children) and mark the
* entry accordingly.
*/
entryPtr->flags &= ~ENTRY_HAS_BUTTON;
if (entryPtr->flags & BUTTON_SHOW) {
entryPtr->flags |= ENTRY_HAS_BUTTON;
} else if (entryPtr->flags & BUTTON_AUTO) {
if (tvPtr->flags & TV_HIDE_LEAVES) {
/* Check that a non-leaf child exists */
if (Blt_TreeViewFirstChild(entryPtr, ENTRY_HIDDEN)
!= NULL) {
entryPtr->flags |= ENTRY_HAS_BUTTON;
}
} else if (!Blt_TreeViewIsLeaf(entryPtr)) {
entryPtr->flags |= ENTRY_HAS_BUTTON;
}
}
/* Determine the depth of the tree. */
if (tvPtr->depth < DEPTH(tvPtr, entryPtr->node)) {
tvPtr->depth = DEPTH(tvPtr, entryPtr->node);
}
}
if (tvPtr->flags & TV_SORT_PENDING) {
Blt_TreeViewSortTreeView(tvPtr);
}
if (tvPtr->levelInfo != NULL) {
Blt_Free(tvPtr->levelInfo);
}
tvPtr->levelInfo = Blt_Calloc(tvPtr->depth + 2, sizeof(LevelInfo));
assert(tvPtr->levelInfo);
tvPtr->flags &= ~(TV_DIRTY | TV_RESORT);
}
for (i = 0; i <= (tvPtr->depth + 1); i++) {
tvPtr->levelInfo[i].labelWidth = tvPtr->levelInfo[i].x =
tvPtr->levelInfo[i].iconWidth = 0;
}
/*
* Pass 2: Loop through all open/mapped nodes.
*
* 1. Set world y-coordinates for entries. We must defer
* setting the x-coordinates until we know the maximum
* icon sizes at each level.
* 2. Compute the maximum depth of the tree.
* 3. Build an array to hold level information.
*/
y = 0;
if (tvPtr->flags & TV_HIDE_ROOT) {
/* If the root entry is to be hidden, cheat by offsetting
* the y-coordinates by the height of the entry. */
y = -(tvPtr->rootPtr->height);
}
ResetCoordinates(tvPtr, tvPtr->rootPtr, &y);
tvPtr->worldHeight = y; /* Set the scroll height of the hierarchy. */
if (tvPtr->worldHeight < 1) {
tvPtr->worldHeight = 1;
}
sum = maxX = 0;
for (i = 0; i <= (tvPtr->depth + 1); i++) {
sum += tvPtr->levelInfo[i].iconWidth + (i==0?0:tvPtr->levelPad);
if (i <= tvPtr->depth) {
tvPtr->levelInfo[i + 1].x = sum;
}
if (tvPtr->lineWidth>0 || tvPtr->button.reqSize>0 || i>hr) {
x = sum + tvPtr->levelInfo[i].labelWidth;
} else {
tvPtr->levelInfo[i + 1].x = sum = x = BUTTON_PAD;
}
if (x > maxX) {
maxX = x;
}
}
tvPtr->treeColumn.maxWidth = maxX;
tvPtr->treeWidth = maxX;
return TCL_OK;
}
static void
LayoutColumns(TreeView *tvPtr)
{
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
int sum, reqWid;
/* The width of the widget (in world coordinates) is the sum
* of the column widths. */
tvPtr->worldWidth = tvPtr->titleHeight = 0;
sum = 0;
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr); linkPtr != NULL;
linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
columnPtr->width = 0;
if (!columnPtr->hidden) {
if ((tvPtr->flags & TV_SHOW_COLUMN_TITLES) &&
(tvPtr->titleHeight < columnPtr->titleHeight)) {
tvPtr->titleHeight = columnPtr->titleHeight;
}
reqWid = columnPtr->reqWidth;
if (reqWid <= 0 && columnPtr->autoWidth>0) {
int mw;
mw = MAX(columnPtr->titleWidth, columnPtr->maxWidth);
if (mw > columnPtr->autoWidth) {
reqWid = columnPtr->autoWidth;
}
}
if (reqWid > 0) {
columnPtr->width = reqWid;
} else {
/* The computed width of a column is the maximum of
* the title width and the widest entry. */
columnPtr->width = MAX(columnPtr->titleWidth,
columnPtr->maxWidth);
/* Check that the width stays within any constraints that
* have been set. */
if ((columnPtr->reqMin > 0) &&
(columnPtr->reqMin > columnPtr->width)) {
columnPtr->width = columnPtr->reqMin;
}
if ((columnPtr->reqMax > 0) &&
(columnPtr->reqMax < columnPtr->width)) {
columnPtr->width = columnPtr->reqMax;
}
}
columnPtr->width +=
PADDING(columnPtr->pad) + 2 * columnPtr->borderWidth;
}
columnPtr->worldX = sum;
sum += columnPtr->width;
}
tvPtr->worldWidth = sum;
if (VPORTWIDTH(tvPtr) > sum) {
AdjustColumns(tvPtr);
}
sum = 0;
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr); linkPtr != NULL;
linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
columnPtr->worldX = sum;
sum += columnPtr->width;
}
if (tvPtr->titleHeight > 0) {
/* If any headings are displayed, add some extra padding to
* the height. */
tvPtr->titleHeight += 4;
}
/* tvPtr->worldWidth += 10; */
if (tvPtr->yScrollUnits < 1) {
tvPtr->yScrollUnits = 1;
}
if (tvPtr->xScrollUnits < 1) {
tvPtr->xScrollUnits = 1;
}
if (tvPtr->worldWidth < 1) {
tvPtr->worldWidth = 1;
}
tvPtr->flags &= ~TV_LAYOUT;
tvPtr->flags |= TV_SCROLL;
}
/*
* ----------------------------------------------------------------------
*
* Blt_TreeViewComputeLayout --
*
* Recompute the layout when entries are opened/closed,
* inserted/deleted, or when text attributes change (such as
* font, linespacing).
*
* Results:
* None.
*
* Side effects:
* The world coordinates are set for all the opened entries.
*
* ----------------------------------------------------------------------
*/
int
Blt_TreeViewComputeLayout(TreeView *tvPtr)
{
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
TreeViewEntry *entryPtr;
TreeViewValue *valuePtr;
if (tvPtr->flatView) {
if (ComputeFlatLayout(tvPtr) != TCL_OK) { return TCL_ERROR; }
} else {
if (ComputeTreeLayout(tvPtr) != TCL_OK) { return TCL_ERROR; }
}
/*
* Determine the width of each column based upon the entries
* that as open (not hidden). The widest entry in a column
* determines the width of that column.
*/
/* Initialize the columns. */
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr);
linkPtr != NULL; linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
columnPtr->maxWidth = 0;
columnPtr->max = SHRT_MAX;
if (columnPtr->reqMax > 0) {
columnPtr->max = columnPtr->reqMax;
}
}
/* The treeview column width was computed earlier. */
tvPtr->treeColumn.maxWidth = tvPtr->treeWidth;
/*
* Look at all open entries and their values. Determine the column
* widths by tracking the maximum width value in each column.
*/
for (entryPtr = tvPtr->rootPtr; entryPtr != NULL;
entryPtr = Blt_TreeViewNextEntry(entryPtr, ENTRY_MASK)) {
for (valuePtr = entryPtr->values; valuePtr != NULL;
valuePtr = valuePtr->nextPtr) {
if (valuePtr->columnPtr->maxWidth < valuePtr->width) {
valuePtr->columnPtr->maxWidth = valuePtr->width;
}
}
}
/* Now layout the columns with the proper sizes. */
LayoutColumns(tvPtr);
return TCL_OK;
}
static int
ComputeFillLabel(TreeView *tvPtr, TreeViewEntry *entryPtr)
{
TreeViewColumn *columnPtr;
Tcl_Interp *interp = tvPtr->interp;
int result, objc;
char *string;
Tcl_Obj **objv, *objPtr;
columnPtr = &tvPtr->treeColumn;
if (columnPtr->fillCmd == NULL || entryPtr->labelUid != NULL) {
return TCL_OK;
}
string = Blt_TreeNodeLabel(entryPtr->node);
objPtr = Tcl_DuplicateObj(columnPtr->fillCmd);
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(string,-1));
Tcl_IncrRefCount(objPtr);
if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) == TCL_OK) {
Tcl_Preserve(entryPtr);
result = Tcl_EvalObjv(interp, objc, objv, TCL_EVAL_GLOBAL);
if ((entryPtr->flags & ENTRY_DELETED) || (tvPtr->flags & TV_DELETED)) {
Tcl_DecrRefCount(objPtr);
Tcl_Release(entryPtr);
return TCL_ERROR;
}
string = Tcl_GetStringResult(interp);
if (result != TCL_ERROR && string[0]) {
entryPtr->labelUid = Blt_TreeViewGetUid(tvPtr, string);
}
Tcl_Release(entryPtr);
}
Tcl_DecrRefCount(objPtr);
return TCL_OK;
}
/*
* ----------------------------------------------------------------------
*
* ComputeVisibleEntries --
*
* The entries visible in the viewport (the widget's window) are
* inserted into the array of visible nodes.
*
* Results:
* Returns 1 if beyond the last visible entry, 0 otherwise.
*
* Side effects:
* The array of visible nodes is filled.
*
* ----------------------------------------------------------------------
*/
static int
ComputeVisibleEntries(TreeView *tvPtr)
{
int height;
int level;
int nSlots;
int x, maxX, nAbove;
int xOffset, yOffset;
xOffset = Blt_AdjustViewport(tvPtr->xOffset, tvPtr->worldWidth,
VPORTWIDTH(tvPtr), tvPtr->xScrollUnits, tvPtr->scrollMode);
yOffset = Blt_AdjustViewport(tvPtr->yOffset,
tvPtr->worldHeight, VPORTHEIGHT(tvPtr), tvPtr->yScrollUnits,
tvPtr->scrollMode);
if ((xOffset != tvPtr->xOffset) || (yOffset != tvPtr->yOffset)) {
tvPtr->yOffset = yOffset;
tvPtr->xOffset = xOffset;
tvPtr->flags |= TV_VIEWPORT;
}
tvPtr->nVisible = 0;
tvPtr->nAbove = 0;
nAbove = 0;
height = VPORTHEIGHT(tvPtr) - tvPtr->insetY;
if (height<=1) return TCL_OK;
/* Allocate worst case number of slots for entry array. */
nSlots = (height / tvPtr->minHeight) + 3;
if (nSlots != tvPtr->nVisible) {
if (tvPtr->visibleArr != NULL) {
Blt_Free(tvPtr->visibleArr);
}
tvPtr->visibleArr = Blt_Calloc(nSlots+1, sizeof(TreeViewEntry *));
assert(tvPtr->visibleArr);
}
if (tvPtr->visibleArr) {
tvPtr->visibleArr[0] = NULL;
}
if (tvPtr->rootPtr->flags & ENTRY_HIDDEN) {
return TCL_OK; /* Root node is hidden. */
}
/* Find the node where the view port starts. */
if (tvPtr->flatView) {
register TreeViewEntry **p, *entryPtr;
/* Find the starting entry visible in the viewport. It can't
* be hidden or any of it's ancestors closed. */
again:
for (p = tvPtr->flatArr; p != NULL && *p != NULL; p++) {
entryPtr = *p;
if ((entryPtr->worldY + entryPtr->height) > tvPtr->yOffset) {
break;
}
nAbove++;
}
/*
* If we can't find the starting node, then the view must be
* scrolled down, but some nodes were deleted. Reset the view
* back to the top and try again.
*/
if (p != NULL && *p == NULL) {
if (tvPtr->yOffset == 0) {
return TCL_OK; /* All entries are hidden. */
}
tvPtr->yOffset = 0;
goto again;
}
maxX = 0;
height += tvPtr->yOffset;
for (/* empty */; p != NULL && *p != NULL; p++) {
entryPtr = *p;
if (ComputeFillLabel(tvPtr, entryPtr) != TCL_OK) {
return TCL_ERROR;
}
entryPtr->worldX = LEVELX(0) + tvPtr->treeColumn.worldX;
x = entryPtr->worldX + ICONWIDTH(0) + entryPtr->width;
if (x > maxX) {
maxX = x;
}
if (entryPtr->worldY >= height) {
break;
}
entryPtr->stylePtr = entryPtr->realStylePtr;
tvPtr->visibleArr[tvPtr->nVisible] = entryPtr;
tvPtr->nVisible++;
}
tvPtr->visibleArr[tvPtr->nVisible] = NULL;
} else {
TreeViewEntry *entryPtr;
entryPtr = tvPtr->rootPtr;
while (entryPtr && (entryPtr->worldY + entryPtr->height) <= tvPtr->yOffset) {
for (entryPtr = Blt_TreeViewLastChild(entryPtr, ENTRY_HIDDEN);
entryPtr != NULL;
entryPtr = Blt_TreeViewPrevSibling(entryPtr, ENTRY_HIDDEN)) {
if (entryPtr->worldY <= tvPtr->yOffset) {
if (entryPtr->height >= Tk_Height(tvPtr->tkwin)) {
nAbove++;
}
break;
}
/* Alternate or odd row style start index. */
nAbove++;
}
/*
* If we can't find the starting node, then the view must be
* scrolled down, but some nodes were deleted. Reset the view
* back to the top and try again.
*/
if (entryPtr == NULL) {
if (tvPtr->yOffset == 0) {
return TCL_OK; /* All entries are hidden. */
}
tvPtr->yOffset = 0;
continue;
}
}
height += tvPtr->yOffset;
maxX = 0;
tvPtr->treeColumn.maxWidth = tvPtr->treeWidth;
for (/* empty */; entryPtr != NULL;
entryPtr = Blt_TreeViewNextEntry(entryPtr, ENTRY_MASK)) {
/*
* Compute and save the entry's X-coordinate now that we know
* the maximum level offset for the entire widget.
*/
if (ComputeFillLabel(tvPtr, entryPtr) != TCL_OK) {
return TCL_ERROR;
}
level = DEPTH(tvPtr, entryPtr->node);
entryPtr->worldX = LEVELX(level) + tvPtr->treeColumn.worldX;
x = entryPtr->worldX + ICONWIDTH(level) + ICONWIDTH(level + 1) +
entryPtr->width;
if (x > maxX) {
maxX = x;
}
if (entryPtr->worldY >= height) {
break;
}
SetEntryStyle(tvPtr, entryPtr);
tvPtr->visibleArr[tvPtr->nVisible] = entryPtr;
tvPtr->nVisible++;
}
if (tvPtr->visibleArr) {
tvPtr->visibleArr[tvPtr->nVisible] = NULL;
}
}
/*
* -------------------------------------------------------------------
*
* Note: It's assumed that the view port always starts at or
* over an entry. Check that a change in the hierarchy
* (e.g. closing a node) hasn't left the viewport beyond
* the last entry. If so, adjust the viewport to start
* on the last entry.
*
* -------------------------------------------------------------------
*/
if (tvPtr->xOffset > (tvPtr->worldWidth - tvPtr->xScrollUnits)) {
tvPtr->xOffset = tvPtr->worldWidth - tvPtr->xScrollUnits;
}
if (tvPtr->yOffset > (tvPtr->worldHeight - tvPtr->yScrollUnits)) {
tvPtr->yOffset = tvPtr->worldHeight - tvPtr->yScrollUnits;
}
tvPtr->xOffset = Blt_AdjustViewport(tvPtr->xOffset,
tvPtr->worldWidth, VPORTWIDTH(tvPtr), tvPtr->xScrollUnits,
tvPtr->scrollMode);
tvPtr->yOffset = Blt_AdjustViewport(tvPtr->yOffset,
tvPtr->worldHeight, VPORTHEIGHT(tvPtr), tvPtr->yScrollUnits,
tvPtr->scrollMode);
Blt_PickCurrentItem(tvPtr->bindTable);
tvPtr->flags &= ~TV_DIRTY;
tvPtr->nAbove = nAbove;
return TCL_OK;
}
/*
* ---------------------------------------------------------------------------
*
* DrawVerticals --
*
* Draws vertical lines for the ancestor nodes. While the entry
* of the ancestor may not be visible, its vertical line segment
* does extent into the viewport. So walk back up the hierarchy
* drawing lines until we get to the root.
*
* Results:
* None.
*
* Side Effects:
* Vertical lines are drawn for the ancestor nodes.
*
* ---------------------------------------------------------------------------
*/
static void
DrawVerticals(
TreeView *tvPtr, /* Widget record containing the attribute
* information for buttons. */
TreeViewEntry *entryPtr, /* Entry to be drawn. */
Drawable drawable) /* Pixmap or window to draw into. */
{
int height, level;
int x, y;
int x1, y1a, x2, y2;
while (entryPtr != tvPtr->rootPtr) {
entryPtr = Blt_TreeViewParentEntry(entryPtr);
if (entryPtr == NULL) {
break;
}
level = DEPTH(tvPtr, entryPtr->node);
/*
* World X-coordinates aren't computed only for entries that are
* outside the view port. So for each off-screen ancestor node
* compute it here too.
*/
entryPtr->worldX = LEVELX(level) + tvPtr->treeColumn.worldX;
x = SCREENX(tvPtr, entryPtr->worldX);
y = SCREENY(tvPtr, entryPtr->worldY);
height = MAX3(entryPtr->lineHeight, entryPtr->iconHeight,
tvPtr->button.height);
y += (height - tvPtr->button.height) / 2;
x1 = x2 = x + ICONWIDTH(level) + ICONWIDTH(level + 1) / 2;
y1a = y + tvPtr->button.height / 2;
y2 = y1a + entryPtr->vertLineLength;
if ((entryPtr == tvPtr->rootPtr) && (tvPtr->flags & TV_HIDE_ROOT)) {
y1a += entryPtr->height;
}
/*
* Clip the line's Y-coordinates at the viewport borders.
*/
if (y1a <= tvPtr->insetY) {
y1a = tvPtr->insetY+1;
}
if (y1a < 0) {
y1a = (y1a & 0x1); /* Make sure the dotted line starts on
* the same even/odd pixel. */
}
if (y2 > (Tk_Height(tvPtr->tkwin)-tvPtr->insetY)) {
y2 = (Tk_Height(tvPtr->tkwin)-tvPtr->insetY);
}
if ((y1a < Tk_Height(tvPtr->tkwin)) && (y2 > 0)) {
XDrawLine(tvPtr->display, drawable, tvPtr->lineGC,
x1, y1a, x2, y2);
}
}
}
void
Blt_TreeViewDrawRule(
TreeView *tvPtr, /* Widget record containing the
* attribute information for rules. */
TreeViewColumn *columnPtr,
Drawable drawable) /* Pixmap or window to draw into. */
{
int x, y1a, y2;
x = SCREENX(tvPtr, columnPtr->worldX) +
columnPtr->width + tvPtr->ruleMark - tvPtr->ruleAnchor - 1;
y1a = tvPtr->titleHeight + tvPtr->insetY;
y2 = Tk_Height(tvPtr->tkwin) - tvPtr->insetY*2;
XDrawLine(tvPtr->display, drawable, columnPtr->ruleGC, x, y1a, x, y2);
tvPtr->flags = TOGGLE(tvPtr->flags, TV_RULE_ACTIVE);
}
int Blt_TreeViewRedrawIcon(TreeView *tvPtr, TreeViewEntry *entryPtr,
TreeViewColumn *columnPtr, TreeViewIcon icon, int imageX,
int imageY, int width, int height, Drawable drawable,
int drawableX, int drawableY)
{
icon->count++;
if (icon->count == 1 && tvPtr->imageCmd != NULL
&& strlen(Tcl_GetString(tvPtr->imageCmd))) {
Tcl_DString cmdString;
char *string;
int /*result,*/ rcnt;
Tcl_Interp *interp = tvPtr->interp;
string = Blt_GetHashKey(&tvPtr->iconTable, icon->hashPtr);
if (string == NULL) string = "";
icon->refCount++;
if (entryPtr) Tcl_Preserve(entryPtr);
if (columnPtr) Tcl_Preserve(columnPtr);
Blt_TreeViewPercentSubst(tvPtr, entryPtr, columnPtr, Tcl_GetString(tvPtr->imageCmd), string, &cmdString);
/* result = */ Tcl_GlobalEval(interp, Tcl_DStringValue(&cmdString));
rcnt = icon->refCount;
Blt_TreeViewFreeIcon(tvPtr, icon);
if ((tvPtr->flags & TV_DELETED)
|| (entryPtr && (entryPtr->flags & ENTRY_DELETED))
|| (columnPtr && (columnPtr->flags & COLUMN_DELETED))
|| rcnt<=1) {
if (entryPtr) Tcl_Release(entryPtr);
if (columnPtr) Tcl_Release(columnPtr);
return TCL_ERROR;
}
if (columnPtr) Tcl_Release(columnPtr);
if (entryPtr) Tcl_Release(entryPtr);
Blt_TreeViewOptsInit(tvPtr);
Tcl_DStringFree(&cmdString);
}
Tk_RedrawImage(TreeViewIconBits(icon), imageX, imageY, width, height, drawable, drawableX, drawableY);
return TCL_OK;
}
/*
* ---------------------------------------------------------------------------
*
* Blt_TreeViewDrawButton --
*
* Draws a button for the given entry. The button is drawn
* centered in the region immediately to the left of the origin
* of the entry (computed in the layout routines). The height
* and width of the button were previously calculated from the
* average row height.
*
* button height = entry height - (2 * some arbitrary padding).
* button width = button height.
*
* The button may have a border. The symbol (either a plus or
* minus) is slight smaller than the width or height minus the
* border.
*
* x,y origin of entry
*
* +---+
* | + | icon label
* +---+
* closed
*
* |----|----| horizontal offset
*
* +---+
* | - | icon label
* +---+
* open
*
* Results:
* None.
*
* Side Effects:
* A button is drawn for the entry.
* TODO: handle button images > BUTTON_SIZE properly.
*
* ---------------------------------------------------------------------------
*/
int
Blt_TreeViewDrawButton(
TreeView *tvPtr, /* Widget record containing the
* attribute information for
* buttons. */
TreeViewEntry *entryPtr, /* Entry. */
Drawable drawable, /* Pixmap or window to draw into. */
int x,
int y)
{
Tk_3DBorder border;
TreeViewButton *buttonPtr = &tvPtr->button;
TreeViewIcon icon;
TreeViewIcon *icons;
int relief;
int width, height;
int altRow;
int selected;
if (buttonPtr->reqSize <= 0) {
return TCL_OK;
}
if (entryPtr == tvPtr->activeButtonPtr) {
icons = CHOOSE(buttonPtr->icons,buttonPtr->activeicons);
} else {
icons = buttonPtr->icons;
}
if (icons == NULL) {
if (entryPtr == tvPtr->activeButtonPtr) {
border = CHOOSE(tvPtr->border, buttonPtr->activeBorder);
} else {
border = CHOOSE(tvPtr->border, buttonPtr->border);
}
} else {
altRow = (entryPtr->flags & ENTRY_ALTROW);
selected = Blt_TreeViewEntryIsSelected(tvPtr, entryPtr, NULL);
if (entryPtr == tvPtr->activeButtonPtr && buttonPtr->activeBorder) {
border = buttonPtr->activeBorder;
} else if (selected) {
border = SELECT_BORDER(tvPtr);
} else if (buttonPtr->border != NULL) {
border = buttonPtr->border;
} else if (entryPtr->stylePtr && entryPtr->stylePtr->border != NULL) {
border = entryPtr->stylePtr->border;
} else if (entryPtr->border != NULL) {
border = entryPtr->border;
} else if (altRow && tvPtr->altStylePtr && tvPtr->altStylePtr->border) {
/*stylePtr = tvPtr->altStylePtr;
if (tvPtr->treeColumn.stylePtr->priority > stylePtr->priority) {
stylePtr = tvPtr->treeColumn.stylePtr;
}*/
border = tvPtr->altStylePtr->border;
} else {
border = tvPtr->border;
}
}
if (entryPtr->flags & ENTRY_CLOSED) {
relief = buttonPtr->closeRelief;
} else {
relief = buttonPtr->openRelief;
}
if (relief == TK_RELIEF_SOLID) {
relief = TK_RELIEF_FLAT;
}
Blt_Fill3DRectangle(tvPtr->tkwin, drawable, border, x, y,
buttonPtr->width, buttonPtr->height, buttonPtr->borderWidth, relief);
x += buttonPtr->borderWidth;
y += buttonPtr->borderWidth;
width = buttonPtr->width - (2 * buttonPtr->borderWidth);
height = buttonPtr->height - (2 * buttonPtr->borderWidth);
icon = NULL;
if (icons != NULL) { /* Open or close button icon? */
icon = icons[0];
if (((entryPtr->flags & ENTRY_CLOSED) == 0) &&
(icons[1] != NULL)) {
icon = icons[1];
}
}
if (icon != NULL) { /* Icon or rectangle? */
if (Blt_TreeViewRedrawIcon(tvPtr, entryPtr, NULL, icon, 0, 0, width, height, drawable, x, y) != TCL_OK) { return TCL_ERROR; }
} else {
int top, bottom, left, right;
XSegment segments[6];
int count;
GC gc;
gc = (entryPtr == tvPtr->activeButtonPtr)
? buttonPtr->activeGC : buttonPtr->normalGC;
if (relief == TK_RELIEF_FLAT) {
/* Draw the box outline */
left = x - buttonPtr->borderWidth;
top = y - buttonPtr->borderWidth;
right = left + buttonPtr->width - 1;
bottom = top + buttonPtr->height - 1;
segments[0].x1 = left;
segments[0].x2 = right;
segments[0].y2 = segments[0].y1 = top;
segments[1].x2 = segments[1].x1 = right;
segments[1].y1 = top;
segments[1].y2 = bottom;
segments[2].x2 = segments[2].x1 = left;
segments[2].y1 = top;
segments[2].y2 = bottom;
#ifdef WIN32
segments[2].y2++;
#endif
segments[3].x1 = left;
segments[3].x2 = right;
segments[3].y2 = segments[3].y1 = bottom;
#ifdef WIN32
segments[3].x2++;
#endif
}
top = y + height / 2;
left = x + BUTTON_IPAD;
right = x + width - BUTTON_IPAD;
segments[4].y1 = segments[4].y2 = top;
segments[4].x1 = left;
segments[4].x2 = right - 1;
#ifdef WIN32
segments[4].x2++;
#endif
count = 5;
if (entryPtr->flags & ENTRY_CLOSED) { /* Draw the vertical
* line for the plus. */
top = y + BUTTON_IPAD;
bottom = y + height - BUTTON_IPAD;
segments[5].y1 = top;
segments[5].y2 = bottom - 1;
segments[5].x1 = segments[5].x2 = x + width / 2;
#ifdef WIN32
segments[5].y2++;
#endif
count = 6;
}
XDrawSegments(tvPtr->display, drawable, gc, segments, count);
}
return TCL_OK;
}
/*
* ---------------------------------------------------------------------------
*
* Blt_TreeViewGetEntryIcon --
*
* Selects the correct image for the entry's icon depending upon
* the current state of the entry: active/inactive normal/selected.
*
* active - normal
* active - selected
* inactive - normal
* inactive - selected
*
* Results:
* Returns the image for the icon.
*
* ---------------------------------------------------------------------------
*/
TreeViewIcon
Blt_TreeViewGetEntryIcon(TreeView *tvPtr, TreeViewEntry *entryPtr)
{
TreeViewIcon *icons;
TreeViewIcon icon;
int isActive/*, hasFocus*/;
isActive = (entryPtr == tvPtr->activePtr);
/*hasFocus = (entryPtr == tvPtr->focusPtr);*/
icons = NULL;
if (tvPtr->flags & TV_HIDE_ICONS) {
return NULL;
}
if (entryPtr->stylePtr && entryPtr->stylePtr->icon && entryPtr->icons == NULL) {
return entryPtr->stylePtr->icon;
}
if (isActive) {
if (tvPtr->activeLeafIcons != NULL && entryPtr->icons == NULL &&
Blt_TreeViewIsLeaf(entryPtr)) {
icons = tvPtr->activeLeafIcons;
} else {
icons = CHOOSE(tvPtr->activeIcons, entryPtr->activeIcons);
}
}
if (icons == NULL) {
if (tvPtr->leafIcons != NULL && entryPtr->icons == NULL &&
Blt_TreeViewIsLeaf(entryPtr)) {
icons = tvPtr->leafIcons;
} else {
icons = CHOOSE(tvPtr->icons, entryPtr->icons);
}
}
icon = NULL;
if (icons != NULL) { /* Selected or normal icon? */
icon = icons[0];
if ((/*hasFocus ||*/ (!(entryPtr->flags &ENTRY_CLOSED))) && (icons[1] != NULL)) {
icon = icons[1];
}
}
return icon;
}
int
Blt_TreeViewDrawIcon(
TreeView *tvPtr, /* Widget record containing the attribute
* information for buttons. */
TreeViewEntry *entryPtr, /* Entry to display. */
Drawable drawable, /* Pixmap or window to draw into. */
int x,
int y,
int clear)
{
TreeViewIcon icon;
icon = Blt_TreeViewGetEntryIcon(tvPtr, entryPtr);
if (icon != NULL) { /* Icon or default icon bitmap? */
int entryHeight;
int level;
int maxY;
int top, bottom, left;
int topInset, botInset;
int width, height;
int cend;
level = DEPTH(tvPtr, entryPtr->node);
entryHeight = MAX3(entryPtr->lineHeight, entryPtr->iconHeight,
tvPtr->button.height);
height = TreeViewIconHeight(icon);
width = TreeViewIconWidth(icon);
if (tvPtr->flatView) {
x += (ICONWIDTH(0) - width) / 2;
} else {
x += (ICONWIDTH(level + 1) - width) / 2;
}
y += (entryHeight - height + tvPtr->leader) / 2;
botInset = tvPtr->insetY;
topInset = tvPtr->titleHeight + tvPtr->insetY;
maxY = Tk_Height(tvPtr->tkwin) - botInset;
left = 0;
top = 0;
bottom = y + height;
if (y < topInset) {
height += y - topInset;
top = -y + topInset;
y = topInset;
} else if (bottom >= maxY) {
height = maxY - y;
}
if (x<tvPtr->insetX) {
int dif=(tvPtr->insetX-x);
x = tvPtr->insetX;
left += dif;
width -= dif;
}
cend = tvPtr->treeColumn.worldX + tvPtr->treeColumn.width - tvPtr->xOffset - tvPtr->treeColumn.borderWidth + tvPtr->insetX;
if ((x+width)>cend) {
if (x>cend) {
return (icon != NULL);
}
width -= (x+width-cend);
}
if (clear && 0) {
/* TODO: If using activate, need to clear background
in case last icon had transparency. */
Tk_3DBorder border;
border = Blt_TreeViewGetStyleBorder(tvPtr, tvPtr->treeColumn.stylePtr);
if (border) {
Blt_Fill3DRectangle(tvPtr->tkwin, drawable, border, x, y,
width, height, 0, TK_RELIEF_FLAT);
}
}
if (Blt_TreeViewRedrawIcon(tvPtr, entryPtr, &tvPtr->treeColumn, icon, left, top, width, height, drawable, x, y) != TCL_OK) {
return -1;
}
}
return (icon != NULL);
}
static int
DrawLabel(
TreeView *tvPtr, /* Widget record. */
TreeViewEntry *entryPtr, /* Entry attribute information. */
Drawable drawable, /* Pixmap or window to draw into. */
int x,
int y)
{
char *label;
int entryHeight;
int isFocused;
int width, height; /* Width and height of label. */
int selected, disabled;
/*int altRow = (tvPtr->flatView && (entryPtr->flags & ENTRY_ALTROW)); */
int altRow = ((entryPtr->flags & ENTRY_ALTROW));
Shadow *shadowPtr;
disabled = (entryPtr->state == STATE_DISABLED);
entryHeight = MAX3(entryPtr->lineHeight, entryPtr->iconHeight,
tvPtr->button.height);
isFocused = ((entryPtr == tvPtr->focusPtr) &&
(tvPtr->flags & TV_FOCUS));
selected = Blt_TreeViewEntryIsSelected(tvPtr, entryPtr, NULL);
/* Includes padding, selection 3-D border, and focus outline. */
width = entryPtr->labelWidth;
height = entryPtr->labelHeight;
/* Center the label, if necessary, vertically along the entry row. */
if (height < entryHeight) {
y += (entryHeight - height) / 2;
}
if (Blt_TreeViewGetEntryIcon(tvPtr, entryPtr) != NULL) {
y += tvPtr->leader/2;
}
if (isFocused) { /* Focus outline */
if (selected) {
XColor *color;
color = SELECT_FG(tvPtr);
XSetForeground(tvPtr->display, tvPtr->focusGC, color->pixel);
}
XDrawRectangle(tvPtr->display, drawable, tvPtr->focusGC, x, y,
width - 1, height - 1);
if (selected) {
XSetForeground(tvPtr->display, tvPtr->focusGC,
tvPtr->focusColor->pixel);
}
}
x += FOCUS_WIDTH + LABEL_PADX + tvPtr->selBorderWidth;
y += tvPtr->focusHeight + LABEL_PADY + tvPtr->selBorderWidth;
label = GETLABEL(entryPtr);
if (label[0] != '\0') {
GC gc;
TreeViewStyle *stylePtr = NULL;
TreeViewColumn *columnPtr = &tvPtr->treeColumn;
TextStyle ts;
Tk_Font font;
XColor *normalColor, *activeColor;
#if 1
TreeViewStyle sRec;
int flags = 0;
if (altRow) {
stylePtr = tvPtr->altStylePtr;
/* flags |= STYLEFLAG_ALTSTYLE; */
}
Blt_GetPriorityStyle(&sRec, tvPtr, columnPtr, entryPtr, NULL, stylePtr, flags);
font = sRec.font;
normalColor = sRec.fgColor;
gc = sRec.gc;
shadowPtr = &sRec.shadow;
if (disabled) {
normalColor = tvPtr->disabledColor;
activeColor = tvPtr->disabledColor;
} else {
if (normalColor == NULL) {
normalColor = Blt_TreeViewGetStyleFg(tvPtr, columnPtr, &sRec);
}
activeColor = (selected) ? SELECT_FG(tvPtr) : normalColor;
}
#else
TreeViewStyle *nStylePtr = NULL;
if (altRow && tvPtr->altStylePtr) {
stylePtr = tvPtr->altStylePtr;
if (tvPtr->treeColumn.stylePtr->priority > stylePtr->priority) {
stylePtr = tvPtr->treeColumn.stylePtr;
}
} else if (entryPtr->stylePtr) {
stylePtr = entryPtr->stylePtr;
} else {
stylePtr = tvPtr->treeColumn.stylePtr;
}
nStylePtr = stylePtr;
if (entryPtr->stylePtr && entryPtr->stylePtr->fgColor) {
nStylePtr = entryPtr->stylePtr;
}
font = entryPtr->font;
if (disabled) {
normalColor = tvPtr->disabledColor;
activeColor = tvPtr->disabledColor;
} else {
normalColor = entryPtr->color;
if (normalColor == NULL) {
normalColor = Blt_TreeViewGetStyleFg(tvPtr, columnPtr, nStylePtr);
}
activeColor = (selected) ? SELECT_FG(tvPtr) : normalColor;
}
gc = entryPtr->gc;
if (stylePtr && stylePtr->shadow.color) {
shadowPtr = &stylePtr->shadow;
} else {
shadowPtr = ((entryPtr->shadow.color || tvPtr->treeColumn.stylePtr==NULL)? &entryPtr->shadow : &tvPtr->treeColumn.stylePtr->shadow);
}
#endif
if (font == NULL) {
font = Blt_TreeViewGetStyleFont(tvPtr, &tvPtr->treeColumn, stylePtr);
}
if (gc == NULL) {
gc = Blt_TreeViewGetStyleGC(tvPtr, stylePtr);
}
Blt_SetDrawTextStyle(&ts, font, gc, normalColor, activeColor,
shadowPtr->color, 0.0, TK_ANCHOR_NW, TK_JUSTIFY_LEFT, 0,
shadowPtr->offset);
ts.state = (selected || (entryPtr->gc == NULL)) ? STATE_ACTIVE : 0;
ts.underline = entryPtr->underline;
Blt_DrawTextLayout(tvPtr->tkwin, drawable, entryPtr->textPtr,
&ts, x, y);
if (entryPtr->subLabel != NULL && (tvPtr->subStylePtr == NULL || tvPtr->subStylePtr->hidden == 0)) {
if (tvPtr->subStylePtr) {
gc = Blt_TreeViewGetStyleGC(tvPtr, tvPtr->subStylePtr);
if (tvPtr->subStylePtr->font) {
font = tvPtr->subStylePtr->font;
}
if (!disabled) {
if (!selected) {
normalColor = Blt_TreeViewGetStyleFg(tvPtr, columnPtr, tvPtr->subStylePtr);
} else {
normalColor = SELECT_FG(tvPtr);
}
}
activeColor = normalColor;
if (tvPtr->subStylePtr->shadow.color) {
shadowPtr = &tvPtr->subStylePtr->shadow;
}
}
Blt_SetDrawTextStyle(&ts, font, gc, normalColor, activeColor,
shadowPtr->color, 0.0, TK_ANCHOR_NW, TK_JUSTIFY_LEFT, 0,
shadowPtr->offset);
ts.state = (selected || (entryPtr->gc == NULL)) ? STATE_ACTIVE : 0;
ts.underline = entryPtr->underline;
Blt_DrawTextLayout(tvPtr->tkwin, drawable, entryPtr->subTextPtr,
&ts, x + entryPtr->textPtr->width, y);
}
}
return entryHeight;
}
/*
* Draw the rule underline for an entry.
*/
void DrawEntryRule( tvPtr, entryPtr, columnPtr, drawable, x, y)
TreeView *tvPtr;
TreeViewEntry *entryPtr;
TreeViewColumn *columnPtr;
Pixmap drawable;
int x;
int y;
{
int x2 =0, y2, ri, rw = tvPtr->ruleWidth;
if (columnPtr == NULL) {
columnPtr = &tvPtr->treeColumn;
x = columnPtr->worldX-tvPtr->xOffset;
x2+=2;
}
x2 += x + columnPtr->width + 2;
y2 = y + entryPtr->height-rw;
if (tvPtr->ruleWidth<0) {
Blt_Draw3DRectangle(tvPtr->tkwin, drawable, tvPtr->border, x, y+1, x2, y+entryPtr->height-1,columnPtr->borderWidth, columnPtr->relief);
} else {
for (ri=0; ri<rw; ri++, y2++) {
XDrawLine(tvPtr->display, drawable, tvPtr->solidGC, x, y2, x2, y2);
}
}
}
/*
* ---------------------------------------------------------------------------
*
* DrawFlatEntry --
*
* Draws a button for the given entry. Note that buttons should only
* be drawn if the entry has sub-entries to be opened or closed. It's
* the responsibility of the calling routine to ensure this.
*
* The button is drawn centered in the region immediately to the left
* of the origin of the entry (computed in the layout routines). The
* height and width of the button were previously calculated from the
* average row height.
*
* button height = entry height - (2 * some arbitrary padding).
* button width = button height.
*
* The button has a border. The symbol (either a plus or minus) is
* slight smaller than the width or height minus the border.
*
* x,y origin of entry
*
* +---+
* | + | icon label
* +---+
* closed
*
* |----|----| horizontal offset
*
* +---+
* | - | icon label
* +---+
* open
*
* Results:
* None.
*
* Side Effects:
* A button is drawn for the entry.
*
* ---------------------------------------------------------------------------
*/
static void
DrawFlatEntry(
TreeView *tvPtr, /* Widget record containing the attribute
* information for buttons. */
TreeViewEntry *entryPtr, /* Entry to be drawn. */
Drawable drawable) /* Pixmap or window to draw into. */
{
int level;
int x, y, di ;
entryPtr->flags &= ~ENTRY_REDRAW;
x = SCREENX(tvPtr, entryPtr->worldX);
y = SCREENY(tvPtr, entryPtr->worldY);
di = Blt_TreeViewDrawIcon(tvPtr, entryPtr, drawable, x, y, 0);
if (di == -1) return;
if (!di) {
x -= (DEF_ICON_WIDTH * 2) / 3;
}
if (tvPtr->flags & TV_DELETED) return;
level = 0;
x += ICONWIDTH(level);
/* Entry label. */
DrawLabel(tvPtr, entryPtr, drawable, x, y);
if (tvPtr->ruleWidth) {
DrawEntryRule( tvPtr, entryPtr, NULL, drawable, x, y);
}
}
/*
* ---------------------------------------------------------------------------
*
* DrawTreeEntry --
*
* Draws a button for the given entry. Note that buttons should only
* be drawn if the entry has sub-entries to be opened or closed. It's
* the responsibility of the calling routine to ensure this.
*
* The button is drawn centered in the region immediately to the left
* of the origin of the entry (computed in the layout routines). The
* height and width of the button were previously calculated from the
* average row height.
*
* button height = entry height - (2 * some arbitrary padding).
* button width = button height.
*
* The button has a border. The symbol (either a plus or minus) is
* slight smaller than the width or height minus the border.
*
* x,y origin of entry
*
* +---+
* | + | icon label
* +---+
* closed
*
* |----|----| horizontal offset
*
* +---+
* | - | icon label
* +---+
* open
*
* Results:
* None.
*
* Side Effects:
* A button is drawn for the entry.
*
* ---------------------------------------------------------------------------
*/
static void
DrawTreeEntry(
TreeView *tvPtr, /* Widget record. */
TreeViewEntry *entryPtr, /* Entry to be drawn. */
Drawable drawable) /* Pixmap or window to draw into. */
{
TreeViewButton *buttonPtr = &tvPtr->button;
int buttonY;
int level;
int width, height;
int x, y, di, hr;
int x1, y1a, x2, y2;
entryPtr->flags &= ~ENTRY_REDRAW;
x = SCREENX(tvPtr, entryPtr->worldX);
y = SCREENY(tvPtr, entryPtr->worldY);
level = DEPTH(tvPtr, entryPtr->node);
width = ICONWIDTH(level);
height = MAX3(entryPtr->lineHeight, entryPtr->iconHeight,
buttonPtr->height);
entryPtr->buttonX = (width - buttonPtr->width) / 2;
if (entryPtr->buttonX < 0) entryPtr->buttonX = 0;
entryPtr->buttonY = (height - buttonPtr->height) / 2;
if (entryPtr->buttonY < 0) entryPtr->buttonY = 0;
buttonY = y + entryPtr->buttonY;
x1 = x + (width / 2);
y1a = y2 = buttonY + (buttonPtr->height / 2);
x2 = x1 + (ICONWIDTH(level) + ICONWIDTH(level + 1)) / 2;
if ((Blt_TreeNodeParent(entryPtr->node) != NULL) &&
(tvPtr->lineWidth > 0)) {
/*
* For every node except root, draw a horizontal line from
* the vertical bar to the middle of the icon.
*/
XDrawLine(tvPtr->display, drawable, tvPtr->lineGC, x1-tvPtr->levelPad, y1a, x2, y2);
}
if (((entryPtr->flags & ENTRY_CLOSED) == 0) && (tvPtr->lineWidth > 0) &&
Blt_TreeViewIsLeaf(entryPtr)!=TRUE) {
/*
* Entry is open, draw vertical line.
*/
y2 = y1a + entryPtr->vertLineLength;
if (y1a < tvPtr->insetY) {
y1a = tvPtr->insetY;
}
if (y2 > Tk_Height(tvPtr->tkwin)) {
y2 = Tk_Height(tvPtr->tkwin); /* Clip line at window border. */
}
XDrawLine(tvPtr->display, drawable, tvPtr->lineGC, x2, y1a, x2, y2);
}
if ((entryPtr->flags & ENTRY_HAS_BUTTON) && (entryPtr != tvPtr->rootPtr) &&
(tvPtr->buttonFlags & BUTTON_AUTO)) {
/*
* Except for the root, draw a button for every entry that
* needs one. The displayed button can be either an icon (Tk
* image) or a line drawing (rectangle with plus or minus
* sign).
*/
if (Blt_TreeViewDrawButton(tvPtr, entryPtr, drawable, x + entryPtr->buttonX,
y + entryPtr->buttonY) != TCL_OK) return;
if (tvPtr->flags & TV_DELETED) return;
}
if (tvPtr->button.icons && tvPtr->button.width > (24)) {
/* TODO: hack. */
x += tvPtr->button.width;
}
hr = ((tvPtr->flags & TV_HIDE_ROOT) ? 1 : 0);
if (tvPtr->lineWidth>0 || tvPtr->button.reqSize>0 || level>hr) {
x += ICONWIDTH(level);
} else {
x = BUTTON_PAD;
}
di = Blt_TreeViewDrawIcon(tvPtr, entryPtr, drawable, x, y, 0);
if (di == -1) return;
if (!di) {
x -= (DEF_ICON_WIDTH * 2) / 3;
}
if (tvPtr->flags & TV_DELETED) return;
x += ICONWIDTH(level + 1) + 2;
/* Entry label. */
DrawLabel(tvPtr, entryPtr, drawable, x, y);
if (tvPtr->ruleWidth) {
DrawEntryRule( tvPtr, entryPtr, NULL, drawable, x, y);
}
}
/*
* ---------------------------------------------------------------------------
*
* Blt_TreeViewDrawValue --
*
* Draws a column value for the given entry.
*
* Results:
* None.
*
* Side Effects:
* A button is drawn for the entry.
*
* ---------------------------------------------------------------------------
*/
void
Blt_TreeViewDrawValue(
TreeView *tvPtr, /* Widget record. */
TreeViewEntry *entryPtr, /* Node of entry to be drawn. */
TreeViewValue *valuePtr,
Drawable drawable, /* Pixmap or window to draw into. */
int x,
int y,
int altRow,
int ishid)
{
TreeViewStyle *stylePtr, *csPtr;
TreeViewColumn *columnPtr;
TreeViewIcon icon = NULL;
columnPtr = valuePtr->columnPtr;
csPtr = CHOOSE(tvPtr->stylePtr, columnPtr->stylePtr);
if (altRow && tvPtr->altStylePtr && valuePtr->stylePtr == NULL &&
csPtr == tvPtr->stylePtr) {
stylePtr = tvPtr->altStylePtr;
if (csPtr->priority > stylePtr->priority) {
stylePtr = columnPtr->stylePtr;
}
} else if (entryPtr->stylePtr && valuePtr->stylePtr == NULL) {
stylePtr = entryPtr->stylePtr;
} else {
stylePtr = CHOOSE(csPtr, valuePtr->stylePtr);
}
if (stylePtr == NULL) {
/* fprintf(stderr, "FATAL: EMPTY STYLE VALUE\n"); */
return;
}
if (stylePtr != csPtr && columnPtr->stylePtr) {
/* If style !Window and type != col style type, reset to column style. */
if (0 && stylePtr->classPtr->className[0] != 'W' &&
strcmp(stylePtr->classPtr->className,
columnPtr->stylePtr->classPtr->className)) {
stylePtr = columnPtr->stylePtr;
}
}
if (tvPtr->hideStyleIcons) {
icon = NULL;
} else if (ishid) {
icon = NULL;
} else if (valuePtr->stylePtr && valuePtr->stylePtr->icon) {
icon = valuePtr->stylePtr->icon;
} else if (columnPtr->stylePtr && columnPtr->stylePtr->icon) {
icon = columnPtr->stylePtr->icon;
}
(*stylePtr->classPtr->drawProc)(tvPtr, drawable, entryPtr, valuePtr,
stylePtr, icon, x, y + tvPtr->leader/2);
}
static void
DrawTitle(
TreeView *tvPtr,
TreeViewColumn *columnPtr,
Drawable drawable,
int x)
{
GC gc;
Tk_3DBorder border;
XColor *fgColor;
int columnWidth;
int width;
int x0, cx, xOffset;
TreeViewStyle *sPtr;
TreeViewIcon icon;
int mw/*, mh*/;
mw = Tk_Width(tvPtr->tkwin) - tvPtr->padX;
/* mh = Tk_Height(tvPtr->tkwin) - tvPtr->padY; */
if (tvPtr->titleHeight < 1) {
return;
}
sPtr = columnPtr->titleStylePtr;
icon = (sPtr && sPtr->icon? sPtr->icon : columnPtr->titleIcon);
columnWidth = columnPtr->width;
cx = x;
if (columnPtr->position == Blt_ChainGetLength(tvPtr->colChainPtr)) {
/* If there's any room left over, let the last column take it. */
columnWidth = Tk_Width(tvPtr->tkwin) - x - tvPtr->padX;
} else if (columnPtr->position == 1) {
columnWidth += x;
cx = tvPtr->padX;
}
if ((x + columnWidth) > mw) {
columnWidth = (mw - x);
}
if (columnWidth<2) {
columnWidth = 2;
}
x0 = x + columnPtr->borderWidth;
if (columnPtr == tvPtr->activeTitleColumnPtr) {
if (sPtr && sPtr->activeBorder) {
border = sPtr->activeBorder;
gc = sPtr->activeGC;
} else {
border = columnPtr->activeTitleBorder;
gc = columnPtr->activeTitleGC;
}
fgColor = (sPtr && sPtr->activeFgColor)?sPtr->activeFgColor:columnPtr->activeTitleFgColor;
} else {
if (sPtr && sPtr->border) {
border = sPtr->border;
gc = sPtr->gc;
} else {
border = columnPtr->titleBorder;
gc = columnPtr->titleGC;
}
fgColor = (sPtr && sPtr->fgColor)?sPtr->fgColor:columnPtr->titleFgColor;
}
Blt_TreeViewFill3DTile(tvPtr, drawable, border, cx + 1,
tvPtr->insetY + 1, columnWidth - 2, tvPtr->titleHeight - 2, 0,
TK_RELIEF_FLAT, sPtr ? sPtr->tile : NULL, 0, 1);
if (Blt_HasTile(tvPtr->tile) && !columnPtr->hasttlbg) {
if (tvPtr->scrollTile) {
Blt_SetTSOrigin(tvPtr->tkwin, tvPtr->tile, -tvPtr->xOffset,
-tvPtr->yOffset);
} else {
Blt_SetTileOrigin(tvPtr->tkwin, tvPtr->tile, 0, 0);
}
Blt_TileRectangle(tvPtr->tkwin, drawable, tvPtr->tile, cx + 1,
tvPtr->insetY + 1, columnWidth - 2, tvPtr->titleHeight - 2);
}
width = columnPtr->width;
xOffset = x0 + columnPtr->pad.side1 + 1;
#if 0
if (width > columnPtr->titleWidth) {
x += (width - columnPtr->titleWidth) / 2;
}
#endif
if (width > columnPtr->titleWidth) {
switch(columnPtr->titleJustify) {
case TK_JUSTIFY_RIGHT:
x += (width - columnPtr->titleWidth);
break;
case TK_JUSTIFY_CENTER:
x += (width - columnPtr->titleWidth) / 2;
break;
case TK_JUSTIFY_LEFT:
x += columnPtr->pad.side1 + 1;
break;
}
}
if (columnPtr == tvPtr->sortColumnPtr || columnPtr->drawArrow >= 0) {
/* Make sure there's room for the sorting-direction triangle. */
if ((x - xOffset) <= (STD_ARROW_WIDTH + 4)) {
x = xOffset + STD_ARROW_WIDTH + 4;
}
}
if (icon != NULL) {
int iconX, iconY, iconWidth, iconHeight;
iconHeight = TreeViewIconHeight(icon);
iconWidth = TreeViewIconWidth(icon);
iconX = x;
if (columnPtr->titleTextPtr != NULL) {
iconX += 2;
}
iconY = tvPtr->insetY + (tvPtr->titleHeight - iconHeight) / 2;
columnPtr->iX = iconX;
columnPtr->iY = iconY;
columnPtr->iW = iconWidth;
columnPtr->iH = iconHeight;
if (Blt_TreeViewRedrawIcon(tvPtr, NULL, columnPtr, icon, 0, 0,
iconWidth, iconHeight, drawable, iconX, iconY) != TCL_OK) return;
x += iconWidth + 6;
} else {
columnPtr->iW = 0;
}
if (columnPtr->titleTextPtr != NULL ) {
TextStyle ts;
Tk_Font font;
Shadow shadow;
font = columnPtr->titleFont?columnPtr->titleFont:tvPtr->titleFont;
if (sPtr && sPtr->font) {
/** Ignore for now as size is taken from titlefont. */
/* font = sPtr->font; */
}
if (sPtr && sPtr->shadow.color) {
shadow = sPtr->shadow;
} else {
shadow = columnPtr->titleShadow;
}
Blt_SetDrawTextStyle(&ts,
font, gc,
fgColor, SELECT_FG(tvPtr), shadow.color, 0.0,
TK_ANCHOR_NW, TK_JUSTIFY_LEFT, 0, shadow.offset);
columnPtr->tX = x;
columnPtr->tY = tvPtr->insetY + 1;
columnPtr->tW = columnPtr->titleTextPtr->width;
columnPtr->tH = columnPtr->titleTextPtr->height;
ts.underline = columnPtr->underline;
Blt_DrawTextLayout(tvPtr->tkwin, drawable, columnPtr->titleTextPtr, &ts,
x, tvPtr->insetY + 2 + tvPtr->titlePad);
} else {
columnPtr->tW = 0;
}
if ((columnPtr == tvPtr->sortColumnPtr) && (tvPtr->flatView)) {
Blt_DrawArrow(tvPtr->display, drawable, gc,
xOffset + ARROW_OFFSET,
tvPtr->insetY + tvPtr->titleHeight / 2, STD_ARROW_HEIGHT,
(tvPtr->sortDecreasing) ? ARROW_UP : ARROW_DOWN);
} else if (columnPtr->drawArrow >= 0) {
Blt_DrawArrow(tvPtr->display, drawable, gc,
xOffset + ARROW_OFFSET,
tvPtr->insetY + tvPtr->titleHeight / 2, STD_ARROW_HEIGHT,
columnPtr->drawArrow);
}
Blt_Draw3DRectangle(tvPtr->tkwin, drawable, border, cx, tvPtr->insetY,
columnWidth, tvPtr->titleHeight, columnPtr->titleBorderWidth,
columnPtr->titleRelief);
}
void
Blt_TreeViewDrawHeadings(tvPtr, drawable)
TreeView *tvPtr;
Drawable drawable;
{
Blt_ChainLink *linkPtr;
TreeViewColumn *columnPtr;
int x;
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr); linkPtr != NULL;
linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
if (columnPtr->hidden) {
continue;
}
x = SCREENX(tvPtr, columnPtr->worldX);
if ((x + columnPtr->width) < 0) {
continue; /* Don't draw columns before the left edge. */
}
if (x > Tk_Width(tvPtr->tkwin)) {
break; /* Discontinue when a column starts beyond
* the right edge. */
}
DrawTitle(tvPtr, columnPtr, drawable, x);
}
}
static Tk_3DBorder
GetEntryBorder(TreeView *tvPtr, TreeViewEntry *entryPtr, int n)
{
if ((entryPtr->flags & ENTRY_ALTROW) && (tvPtr->altStylePtr)) {
if (tvPtr->altStylePtr->tile) {
return tvPtr->border;
}
if (tvPtr->treeColumn.stylePtr->border == NULL ||
tvPtr->altStylePtr->priority >= (tvPtr->treeColumn.stylePtr->priority-1)) {
return tvPtr->altStylePtr->border;
}
}
if (entryPtr->border ) {
return entryPtr->border;
}
if (entryPtr->stylePtr && entryPtr->stylePtr->border) {
return entryPtr->stylePtr->border;
}
if (tvPtr->treeColumn.stylePtr && tvPtr->treeColumn.stylePtr->border) {
return tvPtr->treeColumn.stylePtr->border;
}
return NULL;
}
static void
DrawTreeView(tvPtr, drawable, x)
TreeView *tvPtr;
Drawable drawable;
int x;
{
register TreeViewEntry **p;
Tk_3DBorder selBorder, altBorder;
TreeViewStyle *sPtr = tvPtr->treeColumn.stylePtr;
TreeViewStyle *ePtr, *aPtr;
int n = 0, isAlt;
/*
* Draw the backgrounds of selected entries first. The vertical
* lines connecting child entries will be draw on top.
*/
aPtr = tvPtr->altStylePtr;
selBorder = SELECT_BORDER(tvPtr);
if (tvPtr->altStylePtr) {
altBorder = Blt_TreeViewGetStyleBorder(tvPtr, tvPtr->altStylePtr);
}
for (p = tvPtr->visibleArr; p != NULL && *p != NULL; p++, n++) {
int y;
isAlt = (((*p)->flags & ENTRY_ALTROW) && (tvPtr->altStylePtr));
ePtr = (*p)->stylePtr;
y = SCREENY(tvPtr, (*p)->worldY);
if (Blt_TreeViewEntryIsSelected(tvPtr, *p, NULL)) {
Blt_Fill3DRectangleTile(tvPtr->tkwin, drawable, selBorder, x, y,
tvPtr->treeColumn.width, (*p)->height,
tvPtr->selBorderWidth, tvPtr->selRelief,
tvPtr->selectTile, 1, 0 );
} else if ( (altBorder = GetEntryBorder(tvPtr, *p, n)) ) {
Blt_Fill3DRectangleTile(tvPtr->tkwin, drawable, altBorder, x, y,
tvPtr->treeColumn.width, (*p)->height,
0, TK_RELIEF_FLAT, isAlt?(aPtr?aPtr->tile:NULL):((ePtr && ePtr->tile)?ePtr->tile:(sPtr?sPtr->tile:NULL)), 0, 0);
} else if (ePtr && ePtr->tile) {
Blt_Fill3DRectangleTile(tvPtr->tkwin, drawable, selBorder, x, y,
tvPtr->treeColumn.width, (*p)->height,
0, TK_RELIEF_FLAT, ePtr->tile, 0, 0);
}
}
if ((tvPtr->lineWidth > 0) && (tvPtr->nVisible > 0)) {
/* Draw all the vertical lines from topmost node. */
DrawVerticals(tvPtr, tvPtr->visibleArr[0], drawable);
}
for (p = tvPtr->visibleArr; p != NULL && *p != NULL; p++) {
DrawTreeEntry(tvPtr, *p, drawable);
if (tvPtr->flags & TV_DELETED) break;
}
}
static void
DrawFlatView(
TreeView *tvPtr,
Drawable drawable,
int x)
{
register TreeViewEntry **p;
Tk_3DBorder selBorder, altBorder;
TreeViewStyle *sPtr = tvPtr->treeColumn.stylePtr;
TreeViewStyle *ePtr, *aPtr;
int n = 0, y, isAlt;
/*
* Draw the backgrounds of selected entries first. The vertical
* lines connecting child entries will be draw on top.
*/
aPtr = tvPtr->altStylePtr;
selBorder = SELECT_BORDER(tvPtr);
if (tvPtr->altStylePtr) {
altBorder = Blt_TreeViewGetStyleBorder(tvPtr, aPtr);
}
for (p = tvPtr->visibleArr; p != NULL && *p != NULL; p++, n++) {
isAlt = (((*p)->flags & ENTRY_ALTROW) && (tvPtr->altStylePtr));
y = SCREENY(tvPtr, (*p)->worldY);
ePtr = (*p)->stylePtr;
if (Blt_TreeViewEntryIsSelected(tvPtr, *p, NULL)) {
Blt_Fill3DRectangleTile(tvPtr->tkwin, drawable, selBorder, x, y,
tvPtr->treeColumn.width, (*p)->height,
tvPtr->selBorderWidth, tvPtr->selRelief,
tvPtr->selectTile, 1, 0 );
/*Blt_Fill3DRectangle(tvPtr->tkwin, drawable, selBorder, x, y,
tvPtr->treeColumn.width, (*p)->height - tvPtr->ruleWidth,
tvPtr->selBorderWidth, tvPtr->selRelief);*/
} else if ( (altBorder = GetEntryBorder(tvPtr, *p, n)) ) {
Blt_Fill3DRectangleTile(tvPtr->tkwin, drawable, altBorder, x, y,
tvPtr->treeColumn.width, (*p)->height,
0, TK_RELIEF_FLAT, isAlt?(aPtr?aPtr->tile:NULL):((ePtr && ePtr->tile)?ePtr->tile:(sPtr?sPtr->tile:NULL)), 0, 0);
} else if (ePtr && ePtr->tile) {
Blt_Fill3DRectangleTile(tvPtr->tkwin, drawable, selBorder, x, y,
tvPtr->treeColumn.width, (*p)->height,
0, TK_RELIEF_FLAT, ePtr->tile, 0, 0);
}
}
for (p = tvPtr->visibleArr; p != NULL && *p != NULL; p++) {
DrawFlatEntry(tvPtr, *p, drawable);
if (tvPtr->flags & TV_DELETED) break;
}
}
void
Blt_TreeViewDrawOuterBorders(tvPtr, drawable)
TreeView *tvPtr;
Drawable drawable;
{
/* Draw 3D border just inside of the focus highlight ring. */
if ((tvPtr->borderWidth > 0) && (tvPtr->relief != TK_RELIEF_FLAT)) {
Blt_Draw3DRectangle(tvPtr->tkwin, drawable, tvPtr->border,
tvPtr->highlightWidth, tvPtr->highlightWidth,
Tk_Width(tvPtr->tkwin) - 2 * tvPtr->highlightWidth,
Tk_Height(tvPtr->tkwin) - 2 * tvPtr->highlightWidth,
tvPtr->borderWidth, tvPtr->relief);
}
/* Draw focus highlight ring. */
if (tvPtr->highlightWidth > 0) {
XColor *color;
GC gc;
color = (tvPtr->flags & TV_FOCUS)
? tvPtr->highlightColor : tvPtr->highlightBgColor;
gc = Tk_GCForColor(color, drawable);
Tk_DrawFocusHighlight(tvPtr->tkwin, gc, tvPtr->highlightWidth,
drawable);
}
tvPtr->flags &= ~TV_BORDERS;
}
extern void Blt_TreeViewFill3DTile (TreeView *tvPtr,
Drawable drawable, Tk_3DBorder border, int x, int y, int width, int height,
int borderWidth, int relief, Blt_Tile tile, int scrollTile, int flags) {
if (tile != NULL) {
if (flags) {
Blt_SetTSOrigin(tvPtr->tkwin, tile, 0, 0);
} else if (scrollTile) {
Blt_SetTSOrigin(tvPtr->tkwin, tile, -tvPtr->xOffset,
-tvPtr->yOffset);
} else {
Blt_SetTileOrigin(tvPtr->tkwin, tile, 0, 0);
}
Blt_Fill3DRectangle(tvPtr->tkwin, drawable, border, x, y,
width, height, borderWidth, relief);
Blt_TileRectangle(tvPtr->tkwin, drawable, tile, x, y, width, height);
Blt_Draw3DRectangle(tvPtr->tkwin, drawable, border, x, y,
width, height, borderWidth, relief);
} else {
Blt_Fill3DRectangle(tvPtr->tkwin, drawable, border, x, y,
width, height, borderWidth, relief);
}
}
/*
* ----------------------------------------------------------------------
*
* DisplayTreeView --
*
* This procedure is invoked to display the widget.
*
* Recompute the layout of the text if necessary. This is
* necessary if the world coordinate system has changed.
* Specifically, the following may have occurred:
*
* 1. a text attribute has changed (font, linespacing, etc.).
* 2. an entry's option changed, possibly resizing the entry.
*
* This is deferred to the display routine since potentially
* many of these may occur.
*
* Set the vertical and horizontal scrollbars. This is done
* here since the window width and height are needed for the
* scrollbar calculations.
*
* Results:
* None.
*
* Side effects:
* The widget is redisplayed.
*
* ----------------------------------------------------------------------
*/
static void
DisplayTreeView(ClientData clientData) /* Information about widget. */
{
Blt_ChainLink *linkPtr;
TreeView *tvPtr = clientData;
TreeViewColumn *columnPtr;
Pixmap drawable;
int width, height;
int x;
Blt_TreeViewChanged(tvPtr);
if (tvPtr->flags & TV_DELETED) return;
tvPtr->flags &= ~TV_REDRAW;
if (tvPtr->rootNodeNum>0 && tvPtr->rootPtr->node == NULL) {
/* Reset root to tree top. */
tvPtr->rootNodeNum = 0;
tvPtr->rootNode = Blt_TreeRootNode(tvPtr->tree);
Blt_TreeApply(tvPtr->rootNode, CreateApplyProc, tvPtr);
tvPtr->focusPtr = tvPtr->rootPtr = Blt_NodeToEntry(tvPtr, tvPtr->rootNode);
tvPtr->flags |= TV_DIRTYALL;
tvPtr->selMarkPtr = tvPtr->selAnchorPtr = NULL;
Blt_SetFocusItem(tvPtr->bindTable, tvPtr->rootPtr, ITEM_ENTRY);
if (Blt_TreeViewOpenEntry(tvPtr, tvPtr->rootPtr) != TCL_OK) {
return;
}
}
if (tvPtr->tkwin == NULL) {
return; /* Window has been destroyed. */
}
if (tvPtr->flags & TV_DIRTYALL) {
TreeViewEntry *entryPtr;
tvPtr->flags &= ~TV_DIRTYALL;
if (Blt_TreeViewUpdateWidget(tvPtr->interp, tvPtr) != TCL_OK) {
return;
}
Blt_TreeViewUpdateStyles(tvPtr);
Blt_TreeViewUpdateColumnGCs(tvPtr, &tvPtr->treeColumn);
Blt_TreeViewConfigureColumns(tvPtr);
for (entryPtr = tvPtr->rootPtr; entryPtr != NULL;
entryPtr = Blt_TreeViewNextEntry(entryPtr, 0)) {
entryPtr->flags |= ENTRY_DIRTY;
}
Blt_TreeViewMakeStyleDirty(tvPtr);
}
if (tvPtr->flags & TV_LAYOUT) {
/*
* Recompute the layout when entries are opened/closed,
* inserted/deleted, or when text attributes change (such as
* font, linespacing).
*/
if (Blt_TreeViewComputeLayout(tvPtr) != TCL_OK) return;
}
if (tvPtr->flags & TV_SCROLL) {
/*
* Scrolling means that the view port has changed and that the
* visible entries need to be recomputed.
*/
if (ComputeVisibleEntries(tvPtr) != TCL_OK) return;
width = VPORTWIDTH(tvPtr);
height = VPORTHEIGHT(tvPtr);
if (tvPtr->flags & TV_XSCROLL) {
if (tvPtr->xScrollCmdPrefix != NULL) {
Blt_UpdateScrollbar(tvPtr->interp, tvPtr->xScrollCmdPrefix,
(double)tvPtr->xOffset / tvPtr->worldWidth,
(double)(tvPtr->xOffset + width) / tvPtr->worldWidth);
}
}
if (tvPtr->flags & TV_YSCROLL) {
if (tvPtr->yScrollCmdPrefix != NULL) {
Blt_UpdateScrollbar(tvPtr->interp, tvPtr->yScrollCmdPrefix,
(double)tvPtr->yOffset / tvPtr->worldHeight,
(double)(tvPtr->yOffset + height) / tvPtr->worldHeight);
}
}
tvPtr->flags &= ~TV_SCROLL;
}
if (tvPtr->reqWidth == 0) {
/*
* The first time through this routine, set the requested
* width to the computed width. All we want is to
* automatically set the width of the widget, not dynamically
* grow/shrink it as attributes change.
*/
tvPtr->reqWidth = tvPtr->worldWidth + 2 * tvPtr->insetX;
Tk_GeometryRequest(tvPtr->tkwin, tvPtr->reqWidth, tvPtr->reqHeight);
}
if (!Tk_IsMapped(tvPtr->tkwin)) {
return;
}
drawable = Tk_GetPixmap(tvPtr->display, Tk_WindowId(tvPtr->tkwin),
Tk_Width(tvPtr->tkwin), Tk_Height(tvPtr->tkwin),
Tk_Depth(tvPtr->tkwin));
tvPtr->flags |= TV_VIEWPORT;
if (Blt_HasTile(tvPtr->tile)) {
if (tvPtr->scrollTile) {
Blt_SetTSOrigin(tvPtr->tkwin, tvPtr->tile, -tvPtr->xOffset,
-tvPtr->yOffset);
} else {
Blt_SetTileOrigin(tvPtr->tkwin, tvPtr->tile, 0, 0);
}
Blt_Fill3DRectangle(tvPtr->tkwin, drawable, tvPtr->border, 0, 0,
Tk_Width(tvPtr->tkwin), Tk_Height(tvPtr->tkwin), 0, TK_RELIEF_FLAT);
Blt_TileRectangle(tvPtr->tkwin, drawable, tvPtr->tile, 0, 0,
Tk_Width(tvPtr->tkwin), Tk_Height(tvPtr->tkwin));
} else {
Blt_Fill3DRectangle(tvPtr->tkwin, drawable, tvPtr->border, 0, 0,
Tk_Width(tvPtr->tkwin), Tk_Height(tvPtr->tkwin), 0, TK_RELIEF_FLAT);
}
if ((tvPtr->flags & TV_RULE_ACTIVE) &&
(tvPtr->resizeColumnPtr != NULL)) {
Blt_TreeViewDrawRule(tvPtr, tvPtr->resizeColumnPtr, drawable);
}
Blt_TreeViewMarkWindows(tvPtr, TV_WINDOW_CLEAR);
{
register TreeViewEntry **p;
TreeViewEntry *entryPtr;
Tk_3DBorder border, selBorder;
int y, altRow = 0;
Blt_Tile tile;
entryPtr = NULL;
for (p = tvPtr->visibleArr; p != NULL && *p != NULL; p++, altRow++) {
entryPtr = *p;
if (tvPtr->altStylePtr && ((altRow+tvPtr->nAbove)%2)) {
entryPtr->flags |= ENTRY_ALTROW;
} else {
entryPtr->flags &= ~ENTRY_ALTROW;
}
}
selBorder = SELECT_BORDER(tvPtr);
for (linkPtr = Blt_ChainFirstLink(tvPtr->colChainPtr);
linkPtr != NULL; linkPtr = Blt_ChainNextLink(linkPtr)) {
columnPtr = Blt_ChainGetValue(linkPtr);
columnPtr->flags &= ~COLUMN_DIRTY;
if (columnPtr->hidden) {
continue;
}
x = SCREENX(tvPtr, columnPtr->worldX);
if ((x + columnPtr->width) < 0) {
continue; /* Don't draw columns before the left edge. */
}
if (x > Tk_Width(tvPtr->tkwin)) {
break; /* Discontinue when a column starts beyond
* the right edge. */
}
/* Clear the column background. */
if (columnPtr->border && (columnPtr->hasbg || columnPtr->stylePtr == NULL)) {
border = columnPtr->border;
} else {
border = Blt_TreeViewGetStyleBorder(tvPtr, columnPtr->stylePtr);
}
tile = NULL;
if (Blt_HasTile(columnPtr->tile)) {
tile = columnPtr->tile;
} else if (columnPtr->stylePtr && Blt_HasTile(columnPtr->stylePtr->tile)) {
tile = columnPtr->stylePtr->tile;
}
if (tile) {
Blt_TreeViewFill3DTile(tvPtr, drawable, border, x, 0,
columnPtr->width, Tk_Height(tvPtr->tkwin), 0, TK_RELIEF_FLAT,
tile, columnPtr->scrollTile, 0);
Blt_Draw3DRectangle(tvPtr->tkwin, drawable, border, x, 0,
columnPtr->width, Tk_Height(tvPtr->tkwin), 0, TK_RELIEF_FLAT);
} else if (Blt_HasTile(tvPtr->tile)) {
Blt_Fill3DRectangle(tvPtr->tkwin, drawable, border, x, 0,
columnPtr->width, Tk_Height(tvPtr->tkwin), 0, TK_RELIEF_FLAT);
Blt_TileRectangle(tvPtr->tkwin, drawable, tvPtr->tile,
x, 0, columnPtr->width, Tk_Height(tvPtr->tkwin));
Blt_Draw3DRectangle(tvPtr->tkwin, drawable, border, x, 0,
columnPtr->width, Tk_Height(tvPtr->tkwin), 0, TK_RELIEF_FLAT);
} else if (columnPtr->hasbg && border) {
Blt_Fill3DRectangle(tvPtr->tkwin, drawable, border, x, 0,
columnPtr->width, Tk_Height(tvPtr->tkwin), 0, TK_RELIEF_FLAT);
} else if (border) {
Blt_Draw3DRectangle(tvPtr->tkwin, drawable, border, x, 0,
columnPtr->width, Tk_Height(tvPtr->tkwin), 0, TK_RELIEF_FLAT);
}
if (columnPtr == &tvPtr->treeColumn) {
if (tvPtr->flatView) {
DrawFlatView(tvPtr, drawable, x);
} else {
DrawTreeView(tvPtr, drawable, x);
}
if (tvPtr->flags & TV_DELETED) return;
} else {
TreeViewValue *valuePtr;
TreeViewStyle *csPtr;
int ishid;
entryPtr = NULL;
csPtr = CHOOSE(tvPtr->stylePtr, columnPtr->stylePtr);
for (p = tvPtr->visibleArr; p != NULL && *p != NULL; p++) {
int isAlt;
entryPtr = *p;
isAlt = (entryPtr->flags & ENTRY_ALTROW);
y = SCREENY(tvPtr, entryPtr->worldY);
/* Draw the background of the value. */
if (Blt_TreeViewEntryIsSelected(tvPtr, entryPtr, columnPtr)) {
Blt_TreeViewFill3DTile(tvPtr, drawable, selBorder, x, y,
columnPtr->width, entryPtr->height,
tvPtr->selBorderWidth, tvPtr->selRelief,
tvPtr->selectTile, 1, 0);
} else if (isAlt && tvPtr->altStylePtr
&& tvPtr->altStylePtr->border
&& tvPtr->altStylePtr->priority>=csPtr->priority ) {
Blt_Fill3DRectangle(tvPtr->tkwin, drawable,
tvPtr->altStylePtr->border,
x, y, columnPtr->width,
entryPtr->height,
0, TK_RELIEF_FLAT);
} else if (entryPtr->stylePtr && entryPtr->stylePtr->border) {
Blt_Fill3DRectangle(tvPtr->tkwin, drawable,
entryPtr->stylePtr->border,
x, y, columnPtr->width,
entryPtr->height,
0, TK_RELIEF_FLAT);
}
/* Check if there's a corresponding value in the entry. */
valuePtr = Blt_TreeViewFindValue(entryPtr, columnPtr);
ishid = 0;
if (valuePtr != NULL && valuePtr->stylePtr != NULL &&
valuePtr->stylePtr->hidden) {
valuePtr = NULL;
ishid = 1;
}
if (valuePtr == NULL && columnPtr->fillCmd != NULL
&& strlen(Tcl_GetString(columnPtr->fillCmd))) {
Tcl_Interp *interp = tvPtr->interp;
int result, objc;
char *string = Blt_TreeNodeLabel(entryPtr->node);
Tcl_Obj **objv, *objPtr = Tcl_DuplicateObj(columnPtr->fillCmd);
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(string,-1));
Tcl_IncrRefCount(objPtr);
if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) == TCL_OK) {
Tcl_Obj *listObjPtr;
Tcl_Preserve(entryPtr);
result = Tcl_EvalObjv(interp, objc, objv, TCL_EVAL_GLOBAL);
if ((entryPtr->flags & ENTRY_DELETED) ||
(tvPtr->flags & TV_DELETED)) {
Tcl_DecrRefCount(objPtr);
Tcl_Release(entryPtr);
return;
}
string = Tcl_GetStringResult(interp);
if (result != TCL_ERROR) {
listObjPtr = Tcl_DuplicateObj(Tcl_GetObjResult(interp));
} else {
listObjPtr = Tcl_NewStringObj("",-1);
}
Tcl_IncrRefCount(listObjPtr);
if (Blt_TreeSetValueByKey(tvPtr->interp, tvPtr->tree, entryPtr->node, columnPtr->key, listObjPtr) == TCL_OK) {
Blt_TreeViewAddValue(entryPtr, columnPtr);
Blt_TreeViewEventuallyRedraw(tvPtr);
}
Tcl_DecrRefCount(listObjPtr);
Tcl_Release(entryPtr);
}
Tcl_DecrRefCount(objPtr);
}
if (valuePtr == NULL && (tvPtr->flags & TV_FILL_NULL)) {
valuePtr = columnPtr->defValue;
if (valuePtr) {
valuePtr->stylePtr = tvPtr->emptyStylePtr;
}
}
if (valuePtr != NULL) {
Blt_TreeViewDrawValue(tvPtr, entryPtr, valuePtr,
drawable, x + columnPtr->pad.side1, y,
isAlt, ishid);
if (tvPtr->flags & TV_DELETED) return;
if (tvPtr->ruleWidth) {
DrawEntryRule( tvPtr, entryPtr, columnPtr, drawable, x, y);
}
}
}
}
if (columnPtr->relief != TK_RELIEF_FLAT) {
Blt_Draw3DRectangle(tvPtr->tkwin, drawable, border, x,
tvPtr->padY, columnPtr->width,
Tk_Height(tvPtr->tkwin)-(tvPtr->padY*2),
columnPtr->borderWidth, columnPtr->relief);
}
}
}
Blt_TreeViewMarkWindows(tvPtr, TV_WINDOW_UNMAP);
if (tvPtr->flags & TV_SHOW_COLUMN_TITLES) {
Blt_TreeViewDrawHeadings(tvPtr, drawable);
}
Blt_TreeViewDrawOuterBorders(tvPtr, drawable);
if ((tvPtr->flags & TV_RULE_NEEDED) &&
(tvPtr->resizeColumnPtr != NULL)) {
Blt_TreeViewDrawRule(tvPtr, tvPtr->resizeColumnPtr, drawable);
}
/* Now copy the new view to the window. */
XCopyArea(tvPtr->display, drawable, Tk_WindowId(tvPtr->tkwin),
tvPtr->lineGC, 0, 0, Tk_Width(tvPtr->tkwin),
Tk_Height(tvPtr->tkwin), 0, 0);
Tk_FreePixmap(tvPtr->display, drawable);
tvPtr->flags &= ~TV_VIEWPORT;
}
/*
*----------------------------------------------------------------------
*
* Blt_TreeViewSelectCmdProc --
*
* Invoked at the next idle point whenever the current
* selection changes. Executes some application-specific code
* in the -selectcommand option. This provides a way for
* applications to handle selection changes.
*
* Results:
* None.
*
* Side effects:
* Tcl code gets executed for some application-specific task.
*
*----------------------------------------------------------------------
*/
void
Blt_TreeViewSelectCmdProc(ClientData clientData)
{
TreeView *tvPtr = clientData;
Tcl_Preserve(tvPtr);
if (tvPtr->selectCmd != NULL) {
tvPtr->flags &= ~TV_SELECT_PENDING;
if (Tcl_GlobalEval(tvPtr->interp, tvPtr->selectCmd) != TCL_OK) {
Tcl_BackgroundError(tvPtr->interp);
}
}
Tcl_Release(tvPtr);
}
/*
* --------------------------------------------------------------
*
* TreeViewObjCmd --
*
* This procedure is invoked to process the Tcl command that
* corresponds to a widget managed by this module. See the user
* documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
* --------------------------------------------------------------
*/
/* ARGSUSED */
static int
TreeViewObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Main window associated with interpreter. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST *objv; /* Argument strings. */
{
Tcl_CmdInfo cmdInfo;
Tcl_Obj *initObjv[2];
TreeView *tvPtr;
char *className;
char *string;
string = Tcl_GetString(objv[0]);
if (objc < 2) {
Tcl_AppendResult(interp, "wrong # args: should be \"", string,
" pathName ?option value?...\"", (char *)NULL);
return TCL_ERROR;
}
className = (string[0] == 'h') ? "Hiertable" : "TreeView";
tvPtr = CreateTreeView(interp, objv[1], className);
if (tvPtr == NULL) {
goto error;
}
/*
* Invoke a procedure to initialize various bindings on treeview
* entries. If the procedure doesn't already exist, source it
* from "$blt_library/treeview.tcl". We deferred sourcing the
* file until now so that the variable $blt_library could be set
* within a script.
*/
if (!Tcl_GetCommandInfo(interp, "blt::tv::Initialize", &cmdInfo)) {
char cmd[200];
sprintf(cmd, "set className %s\n\
source [file join $blt_library treeview.tcl]\n\
unset className\n", className);
if (Tcl_GlobalEval(interp, cmd) != TCL_OK) {
char info[200];
sprintf(info, "\n (while loading bindings for %.50s)",
Tcl_GetString(objv[0]));
Tcl_AddErrorInfo(interp, info);
goto error;
}
}
/*
* Initialize the widget's configuration options here. The options
* need to be set first, so that entry, column, and style
* components can use them for their own GCs.
*/
Blt_TreeViewOptsInit(tvPtr);
if (Blt_ConfigureWidgetFromObj(interp, tvPtr->tkwin, bltTreeViewSpecs,
objc - 2, objv + 2, (char *)tvPtr, 0, NULL) != TCL_OK) {
goto error;
}
if (tvPtr->tile != NULL) {
Blt_SetTileChangedProc(tvPtr->tile, Blt_TreeViewTileChangedProc, tvPtr);
}
if (tvPtr->selectTile != NULL) {
Blt_SetTileChangedProc(tvPtr->selectTile, Blt_TreeViewTileChangedProc, tvPtr);
}
if (Blt_ConfigureComponentFromObj(interp, tvPtr->tkwin, "button", "Button",
bltTreeViewButtonSpecs, 0, (Tcl_Obj **)NULL, (char *)tvPtr, 0)
!= TCL_OK) {
goto error;
}
/*
* Rebuild the widget's GC and other resources that are predicated
* by the widget's configuration options. Do the same for the
* default column.
*/
if (Blt_TreeViewUpdateWidget(interp, tvPtr) != TCL_OK) {
goto error;
}
Blt_TreeViewUpdateColumnGCs(tvPtr, &tvPtr->treeColumn);
Blt_TreeViewUpdateStyles(tvPtr);
/*
* Invoke a procedure to initialize various bindings on treeview
* entries. If the procedure doesn't already exist, source it
* from "$blt_library/treeview.tcl". We deferred sourcing the
* file until now so that the variable $blt_library could be set
* within a script.
*/
initObjv[0] = Tcl_NewStringObj("blt::tv::Initialize", -1);
initObjv[1] = objv[1];
Tcl_IncrRefCount(initObjv[0]);
if (Tcl_EvalObjv(interp, 2, initObjv, TCL_EVAL_GLOBAL) != TCL_OK) {
goto error;
}
Tcl_DecrRefCount(initObjv[0]);
Tcl_SetObjResult(interp, Tcl_NewStringObj(Tk_PathName(tvPtr->tkwin), -1));
return TCL_OK;
error:
if (tvPtr)
Tk_DestroyWindow(tvPtr->tkwin);
return TCL_ERROR;
}
int
Blt_TreeViewInit(Tcl_Interp *interp)
{
static Blt_ObjCmdSpec cmdSpec[] = {
{ "treeview", TreeViewObjCmd, },
/*{ "hiertable", TreeViewObjCmd, } */
};
if (Blt_InitObjCmd(interp, "blt", cmdSpec) == NULL) {
return TCL_ERROR;
}
/* if (Blt_InitObjCmd(interp, "blt", cmdSpec + 1) == NULL) {
return TCL_ERROR;
}*/
return TCL_OK;
}
#endif /* NO_TREEVIEW */
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