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#ifndef lint
#ifdef sccs
static char sccsid[] = "@(#)p_get.c 20.38 93/06/28";
#endif
#endif
/*
* (c) Copyright 1989 Sun Microsystems, Inc. Sun design patents
* pending in the U.S. and foreign countries. See LEGAL NOTICE
* file for terms of the license.
*/
#include <xview_private/panel_impl.h>
#include <xview/font.h>
#include <xview/scrollbar.h>
static int shrink_to_fit();
#define MAX_NEGATIVE_SHRINK 2000
#define SHRINK_MARGIN 4
static panel_shrink_margin(Panel_info *panel);
/*ARGSUSED*/
Pkg_private Xv_opaque
panel_get_attr(panel_public, status, attr, valist)
Panel panel_public;
int *status;
register Attr_attribute attr;
va_list valist;
{
register Panel_info *panel = PANEL_PRIVATE(panel_public);
int arg;
switch (attr) {
case CANVAS_NTH_PAINT_WINDOW:
if (panel->paint_window && !panel->paint_window->view)
return (Xv_opaque) panel_public;
else {
/* Scrollable Panel: let Canvas package return result */
*status = XV_ERROR;
return (Xv_opaque) 0;
}
case OPENWIN_VIEW_CLASS:
return (Xv_opaque) PANEL_VIEW;
case PANEL_CLIENT_DATA:
return panel->client_data;
/* laf */
case PANEL_BOLD_FONT:
return (Xv_opaque) panel->bold_font;
case PANEL_LABEL_INVERTED:
return (Xv_opaque) label_inverted_flag(panel);
case PANEL_BLINK_CARET:
return (Xv_opaque) panel->status.blinking ? TRUE : FALSE;
case PANEL_CARET_ITEM:
return (Xv_opaque) (panel->kbd_focus_item ?
ITEM_PUBLIC(panel->kbd_focus_item) : 0);
case PANEL_FIRST_ITEM:
return (Xv_opaque) (panel->items ? ITEM_PUBLIC(panel->items) : 0);
case PANEL_FIRST_PAINT_WINDOW:
return (Xv_opaque) panel->paint_window;
case PANEL_EVENT_PROC:
return (Xv_opaque) panel->event_proc;
case PANEL_BACKGROUND_PROC:
return (Xv_opaque) panel->ops.panel_op_handle_event;
case PANEL_REPAINT_PROC:
return (Xv_opaque) panel->repaint_proc;
case PANEL_ITEM_X:
return (Xv_opaque) panel->item_x;
case PANEL_ITEM_Y:
return (Xv_opaque) panel->item_y;
case PANEL_ITEM_X_GAP:
return (Xv_opaque) panel->item_x_offset;
case PANEL_ITEM_Y_GAP:
return (Xv_opaque) panel->item_y_offset;
case PANEL_EXTRA_PAINT_WIDTH:
return (Xv_opaque) panel->extra_width;
case PANEL_EXTRA_PAINT_HEIGHT:
return (Xv_opaque) panel->extra_height;
case PANEL_LAYOUT:
return (Xv_opaque) panel->layout;
case PANEL_ACCEPT_KEYSTROKE:
return (Xv_opaque) wants_key(panel);
case PANEL_DEFAULT_ITEM:
return (panel->default_item ? panel->default_item :
panel->items ? ITEM_PUBLIC(panel->items) : 0);
case PANEL_BORDER:
return (Xv_opaque) panel->show_border;
case PANEL_CURRENT_ITEM:
return panel->current ? ITEM_PUBLIC(panel->current) : 0;
case PANEL_FOCUS_PW:
return panel->focus_pw;
case PANEL_GINFO:
return (Xv_opaque) panel->ginfo;
case PANEL_ITEM_X_POSITION:
return (Xv_opaque) panel->item_x;
case PANEL_ITEM_Y_POSITION:
return (Xv_opaque) panel->item_y;
case PANEL_PRIMARY_FOCUS_ITEM:
return panel->primary_focus_item ?
ITEM_PUBLIC(panel->primary_focus_item) : 0;
case PANEL_STATUS:
return (Xv_opaque) &panel->status;
case PANEL_NO_REDISPLAY_ITEM:
return (Xv_opaque) panel->no_redisplay_item;
case WIN_FIT_WIDTH:
arg = va_arg(valist, int);
return (Xv_opaque) shrink_to_fit(panel, TRUE,
arg ? arg : panel_shrink_margin(panel));
case WIN_FIT_HEIGHT:
arg = va_arg(valist, int);
return (Xv_opaque) shrink_to_fit(panel, FALSE,
arg ? arg : panel_shrink_margin(panel));
case WIN_TYPE: /* SunView1.X compatibility */
return (Xv_opaque) PANEL_TYPE;
default:
xv_check_bad_attr(&xv_panel_pkg, attr);
*status = XV_ERROR;
return (Xv_opaque) 0;
}
}
static int
shrink_to_fit(panel, do_width, excess)
register Panel_info *panel;
int do_width;
register int excess;
{
register Item_info *ip;
register int low_point = 0;
register int right_point = 0;
int new_size;
Scrollbar sb;
if (!do_width) {
for (ip = panel->items; ip; ip = ip->next)
low_point = MAX(low_point, ip->rect.r_top + ip->rect.r_height);
new_size = low_point + excess + panel->extra_height;
sb = xv_get(PANEL_PUBLIC(panel), WIN_HORIZONTAL_SCROLLBAR);
if (sb)
new_size += (int) xv_get(sb, XV_HEIGHT);
} else {
for (ip = panel->items; ip; ip = ip->next)
right_point = MAX(right_point, ip->rect.r_left + ip->rect.r_width);
new_size = right_point + excess + panel->extra_width;
sb = xv_get(PANEL_PUBLIC(panel), WIN_VERTICAL_SCROLLBAR);
if (sb)
new_size += (int) xv_get(sb, XV_WIDTH);
}
return new_size;
}
static
panel_shrink_margin(panel)
register Panel_info *panel;
{
Xv_opaque font;
int font_size;
font = xv_get(PANEL_PUBLIC(panel), XV_FONT);
font_size = (int) xv_get(font, FONT_SIZE);
if (font_size == FONT_NO_SIZE)
font_size = (int) xv_get(font, FONT_DEFAULT_CHAR_HEIGHT);
if (font_size <= 10)
return 8;
else if (font_size <= 12)
return 12;
else if (font_size <= 14)
return 16;
else if (font_size <= 16)
return 20;
else if (font_size <= 19)
return 23;
else if (font_size <= 24)
return 28;
else
return 32;
}
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