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/*
* DBWprocs.c --
*
* Procedures to interface the database with the window package
* for the purposes of window creation, deletion, and modification.
*
* *********************************************************************
* * Copyright (C) 1985, 1990 Regents of the University of California. *
* * 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. The University of California *
* * makes no representations about the suitability of this *
* * software for any purpose. It is provided "as is" without *
* * express or implied warranty. Export of this software outside *
* * of the United States of America may require an export license. *
* *********************************************************************
*/
#ifndef lint
static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-7.5/dbwind/DBWprocs.c,v 1.5 2008/04/24 18:57:47 tim Exp $";
#endif /* not lint */
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include "utils/main.h"
#include "utils/magic.h"
#include "utils/geometry.h"
#include "windows/windows.h"
#include "tiles/tile.h"
#include "utils/hash.h"
#include "database/database.h"
#include "utils/main.h"
#include "commands/commands.h"
#include "dbwind/dbwind.h"
#include "graphics/graphics.h"
#include "textio/textio.h"
#include "textio/txcommands.h"
#include "utils/utils.h"
#include "utils/undo.h"
#include "graphics/glyphs.h"
#include "utils/malloc.h"
#include "utils/styles.h"
global WindClient DBWclientID;
static int dbwBitMask = 0;
#define MAX_BITMASK MAXINT
#define MAX_BITS_IN_MASK (sizeof(unsigned int) * 8 - 1)
extern void DBWredisplay(); /* Defined in DBWdisplay.c */
/* The following variable is used to allow somebody besides ourselves
* to take over button handling for database windows. If it is NULL
* (which it usually is) we handle buttons. If it isn't NULL, it gives
* the address of a procedure to handle buttons.
*/
static int (*dbwButtonHandler)() = NULL;
/*
* ----------------------------------------------------------------------------
*
* DBWcreate
*
* A new window has been created, create and initialize the needed
* structures.
*
* Results:
* FALSE if we have too many windows, TRUE otherwise.
*
* Side effects:
* Load the given cell into the window. If no cell is given, then
* if the box exists, load a zoomed-in view of the box. Otherwise
* load a new blank cell.
*
* ----------------------------------------------------------------------------
*/
bool
DBWcreate(window, argc, argv)
MagWindow *window;
int argc;
char *argv[];
{
int bitMask, newBitMask, expand;
DBWclientRec *crec;
CellDef *boxDef;
Rect box;
/*
* See if we can create a new window without running out
* of bits in our bitMask.
*/
newBitMask = (dbwBitMask + 1) | dbwBitMask;
if (newBitMask > MAX_BITMASK)
return FALSE;
bitMask = newBitMask ^ dbwBitMask;
dbwBitMask = newBitMask;
crec = (DBWclientRec *) mallocMagic(sizeof(DBWclientRec));
crec->dbw_flags = DBW_SEELABELS | DBW_SEECELLS;
crec->dbw_watchPlane = -1;
crec->dbw_watchDef = (CellDef *) NULL;
crec->dbw_bitmask = bitMask;
crec->dbw_expandAmounts.r_xbot = 0;
crec->dbw_expandAmounts.r_ybot = 0;
crec->dbw_expandAmounts.r_xtop = 0;
crec->dbw_expandAmounts.r_ytop = 0;
crec->dbw_gridRect.r_xbot = 0;
crec->dbw_gridRect.r_ybot = 0;
crec->dbw_gridRect.r_xtop = 1;
crec->dbw_gridRect.r_ytop = 1;
crec->dbw_visibleLayers = DBAllTypeBits;
crec->dbw_hlErase = DBNewPlane((ClientData) TT_SPACE);
crec->dbw_hlRedraw = DBNewPlane((ClientData) TT_SPACE);
crec->dbw_labelSize = 0;
crec->dbw_scale = -1;
crec->dbw_surfaceArea.r_xbot = 0;
crec->dbw_surfaceArea.r_ybot = 0;
crec->dbw_surfaceArea.r_xtop = -1;
crec->dbw_surfaceArea.r_ytop = -1;
crec->dbw_origin.p_x = 0;
crec->dbw_origin.p_y = 0;
window->w_clientData = (ClientData) crec;
if (argc > 0)
DBWloadWindow(window, argv[0], TRUE, FALSE);
else if (ToolGetBox(&boxDef, &box))
{
DBWloadWindow(window, boxDef->cd_name, TRUE, FALSE);
/* Zoom in on the box, leaving a 10% border or at least 2 units
* on each side.
*/
expand = (box.r_xtop - box.r_xbot)/20;
if (expand < 2) expand = 2;
box.r_xtop += expand;
box.r_xbot -= expand;
expand = (box.r_ytop - box.r_ybot)/20;
if (expand < 2) expand = 2;
box.r_ytop += expand;
box.r_ybot -= expand;
WindMove(window, &box);
}
else
{
DBWloadWindow(window, (char *) NULL, TRUE, FALSE);
}
return TRUE;
}
/*
* ----------------------------------------------------------------------------
* DBWdelete --
*
* Clean up the data structures before deleting a window.
*
* Results:
* TRUE if we really want to delete the window, FALSE otherwise.
*
* Side effects:
* A DBWclientRec is freed.
* ----------------------------------------------------------------------------
*/
bool
DBWdelete(window)
MagWindow *window;
{
DBWclientRec *cr;
cr = (DBWclientRec *) window->w_clientData;
dbwBitMask &= ~(cr->dbw_bitmask);
DBFreePaintPlane(cr->dbw_hlErase);
DBFreePaintPlane(cr->dbw_hlRedraw);
TiFreePlane(cr->dbw_hlErase);
TiFreePlane(cr->dbw_hlRedraw);
freeMagic( (char *) cr);
return TRUE;
}
/*
* ----------------------------------------------------------------------------
*
* dbwLoadFunc --
*
* This is a utility function passed to WindSearch by
* DBWloadWindow. Its job is to see if the edit cell is
* present in any window except a given one.
*
* Results:
* 1 is returned if the window doesn't match the ClientData
* but contains the Edit Cell. 0 is returned otherwise.
*
* Side effects:
* None.
*
* ----------------------------------------------------------------------------
*/
int
dbwLoadFunc(w, clientData)
MagWindow *w; /* A window found in the search. */
MagWindow *clientData; /* Window to ignore (passed as ClientData). */
{
if (w == clientData) return 0;
if (((CellUse *) w->w_surfaceID)->cu_def == EditRootDef)
return 1;
return 0;
}
/*
* ----------------------------------------------------------------------------
*
* DBWreload --
*
* Re-load all windows to contain the named cell as a root.
* This is intended to be called during startup or when restarting a saved
* image of Magic.
*
* Results:
* None.
*
* Side effects:
* Loads windows with the named cell.
*
* ----------------------------------------------------------------------------
*/
void
DBWreload(name)
char *name;
{
int dbwReloadFunc();
(void) WindSearch(DBWclientID, (ClientData) NULL, (Rect *) NULL,
dbwReloadFunc, (ClientData) name);
}
int
dbwReloadFunc(w, name)
MagWindow *w;
char *name;
{
DBWloadWindow(w, name, TRUE, FALSE);
return (0);
}
/*
* ----------------------------------------------------------------------------
*
* DBWloadWindow
*
* Replace the root cell of a window by the specified cell.
*
* A cell name of NULL causes the cell with name "(UNNAMED)" to be
* created if it does not already exist, or used if it does.
*
* Results:
* None.
*
* Side effects:
* If there is currently no edit use, or if this is the only
* window containing the edit cell, then set the edit cell
* to the topmost cell in the new window. Otherwise, the edit
* cell doesn't change.
*
* If "expand" is true, unexpands all subcells of the root cell.
*
* ----------------------------------------------------------------------------
*/
void
DBWloadWindow(window, name, ignoreTech, expand)
MagWindow *window; /* Identifies window to which cell is to be bound */
char *name; /* Name of new cell to be bound to this window */
bool ignoreTech; /* If FALSE, indicates that the technology of
* the layout must match the current technology.
*/
bool expand; /* Indicates whether or not to expand the cell */
{
CellDef *newEditDef;
CellUse *newEditUse;
void DisplayWindow();
int res, newEdit;
int xadd, yadd;
Rect loadBox;
char *rootname;
int UnexpandFunc(); /* forward declaration */
loadBox.r_xbot = loadBox.r_ybot = 0;
loadBox.r_xtop = loadBox.r_ytop = 1;
/* See if we're to change the edit cell */
newEdit = !WindSearch((WindClient) DBWclientID, (ClientData) NULL,
(Rect *) NULL, dbwLoadFunc, (ClientData) window);
if ((name == (char *) NULL) || (name[0] == '\0'))
{
/*
* If there is an existing unnamed cell, we use it.
* Otherwise, we create one afresh.
*/
newEditDef = DBCellLookDef(UNNAMED);
if (newEditDef == (CellDef *) NULL)
{
newEditDef = DBCellNewDef(UNNAMED, (char *) NULL);
DBCellSetAvail(newEditDef);
}
}
else
{
/*
* Name specified.
* First try to find it in main memory, then try to
* read it from disk.
*/
/* Strip off any ".mag" extension from the name */
char *dotptr = strrchr(name, '.');
if (dotptr != NULL)
if (!strcmp(dotptr, ".mag"))
*dotptr = '\0';
rootname = strrchr(name, '/');
if (rootname == NULL)
rootname = name;
else
rootname++;
newEditDef = DBCellLookDef(rootname);
if ((newEditDef != (CellDef *)NULL) && (newEditDef->cd_file != NULL))
{
/* If the cellname exists already, check if we are really */
/* looking at the same file. If not, and two files in two */
/* different paths have the same root cellname, then keep */
/* the full pathname for the new cellname. */
char *fullpath;
struct stat statbuf;
ino_t inode;
if (DBTestOpen(name, &fullpath))
{
if (stat(fullpath, &statbuf) == 0)
{
inode = statbuf.st_ino;
if (stat(newEditDef->cd_file, &statbuf) == 0)
{
if (inode != statbuf.st_ino)
newEditDef = (CellDef *)NULL;
}
else
newEditDef = (CellDef *)NULL;
}
else
newEditDef = (CellDef *)NULL;
}
else
newEditDef = (CellDef *)NULL;
/* If the cells have the same name but different */
/* paths, then give the new cell the full path name */
if (newEditDef == NULL)
{
rootname = name;
newEditDef = DBCellLookDef(rootname);
}
}
if (newEditDef == (CellDef *) NULL)
newEditDef = DBCellNewDef(rootname, (char *) NULL);
if (!DBCellRead(newEditDef, name, ignoreTech))
{
TxPrintf("Creating new cell\n");
DBCellSetAvail(newEditDef);
}
else
{
/* DBCellRead doesn't dare to change bounding boxes, so
* we have to call DBReComputeBbox here (we know that it's
* safe).
*/
DBReComputeBbox(newEditDef);
loadBox = newEditDef->cd_bbox;
}
}
/*
* Attach the new cell to the selected window.
*/
newEditUse = DBCellNewUse(newEditDef, (char *) NULL);
(void) StrDup(&(newEditUse->cu_id), "Topmost cell in the window");
DBExpand(newEditUse,
((DBWclientRec *)window->w_clientData)->dbw_bitmask, TRUE);
if (expand)
DBExpandAll(newEditUse, &(newEditUse->cu_bbox),
((DBWclientRec *)window->w_clientData)->dbw_bitmask,
FALSE, UnexpandFunc,
(ClientData) (((DBWclientRec *)window->w_clientData)->dbw_bitmask));
if (newEdit)
{
if (EditCellUse && EditRootDef)
{
DBWUndoOldEdit(EditCellUse, EditRootDef,
&EditToRootTransform, &RootToEditTransform);
DBWUndoNewEdit(newEditUse, newEditDef,
&GeoIdentityTransform, &GeoIdentityTransform);
}
if (newEditUse->cu_def->cd_flags & CDNOEDIT)
{
newEdit = FALSE;
EditCellUse = NULL;
EditRootDef = NULL;
}
else
{
EditCellUse = newEditUse;
EditRootDef = newEditDef;
}
EditToRootTransform = GeoIdentityTransform;
RootToEditTransform = GeoIdentityTransform;
}
/* enforce a minimum size of 60 and a border of 10% around the sides */
xadd = MAX(0, (60 - (loadBox.r_xtop - loadBox.r_xbot)) / 2) +
(loadBox.r_xtop - loadBox.r_xbot + 1) / 10;
yadd = MAX(0, (60 - (loadBox.r_ytop - loadBox.r_ybot)) / 2) +
(loadBox.r_ytop - loadBox.r_ybot + 1) / 10;
loadBox.r_xbot -= xadd; loadBox.r_xtop += xadd;
loadBox.r_ybot -= yadd; loadBox.r_ytop += yadd;
window->w_bbox = &(newEditUse->cu_def->cd_bbox);
res = WindLoad(window, DBWclientID, (ClientData) newEditUse, &loadBox);
ASSERT(res, "DBWcreate");
/* Update the captions in all windows to reflect the new
* edit cell. Also, if we've got a new edit cell, we need
* to explicitly ask for redisplay, because there could be
* another window on this cell somewhere else, and it needs
* to be redisplayed too (if it's just the new window, that
* is taken care of during WindLoad).
*/
CmdSetWindCaption(EditCellUse, EditRootDef);
if (newEdit)
DBWAreaChanged(newEditDef, &newEditDef->cd_bbox, DBW_ALLWINDOWS,
&DBAllButSpaceBits);
}
/* This function is called for each cell whose expansion status changed.
* It forces the cells area to be redisplayed, then returns 0 to keep
* looking for more cells to unexpand.
*/
int
UnexpandFunc(use, windowMask)
CellUse *use; /* Use that was just unexpanded. */
int windowMask; /* Window where it was unexpanded. */
{
if (use->cu_parent == NULL) return 0;
DBWAreaChanged(use->cu_parent, &use->cu_bbox, windowMask,
(TileTypeBitMask *) NULL);
return 0;
}
/*
* ----------------------------------------------------------------------------
* DBWexit --
*
* Magic is about to exit. Check to see if any cells need to be written.
*
* Results:
* TRUE if it is OK to exit.
* FALSE otherwise.
*
* Side effects:
* The user is asked if he wants to write out any cells that are left.
* ----------------------------------------------------------------------------
*/
bool
DBWexit()
{
return (CmdWarnWrite() == 1);
}
/*
* ----------------------------------------------------------------------------
*
* DBWcommands --
*
* This procedure is called by the window package whenever a
* button is pushed or command is typed while the cursor is over
* a database window. This procedure dispatches to the handler
* for the command.
*
* Results:
* None.
*
* Side effects:
* Whatever the command procedure does.
*
* ----------------------------------------------------------------------------
*/
void
DBWcommands(w, cmd)
MagWindow *w;
TxCommand *cmd;
{
int cmdNum;
/* If it was a keyboard command, just dispatch to the proper
* command routine.
*/
if (cmd->tx_button == TX_NO_BUTTON)
{
WindExecute(w, DBWclientID, cmd);
}
else
{
/* It's a button. */
(*DBWButtonCurrentProc)(w, cmd);
}
UndoNext();
/* Update timestamps now that it's safe */
DBFixMismatch();
}
/*
* ----------------------------------------------------------------------------
*
* DBWNewButtonHandler --
*
* This procedure permits anyone else in Magic to take over
* handling of button pushes in database windows. One example
* of this is the netlist editor.
*
* Results:
* The return value is the old button handler. NULL means the
* default handler (moving the box and painting) was the old
* handler. The caller must restore the old handler when it is
* finished.
*
* Side effects:
* From now on, all button pushes within database windows are
* passed to buttonProc, in the following form:
*
* int
* buttonProc(w, cmd)
* MagWindow *w;
* TxCommand *cmd;
* {
* }
*
* ----------------------------------------------------------------------------
*/
int (*(DBWNewButtonHandler(buttonProc)))()
int (*buttonProc)(); /* New button handler. */
{
int (*result)();
result = dbwButtonHandler;
dbwButtonHandler = buttonProc;
return result;
}
/*
* ----------------------------------------------------------------------------
* DBWupdate--
*
* This procedure is called once during each WindUpdate call. It
* takes care of redisplay stuff that's not already handled by
* DBWAreaChanged (e.g. highlight redisplay).
*
* Results:
* None.
*
* Side effects:
* Stuff gets redisplayed.
* ----------------------------------------------------------------------------
*/
void
DBWupdate()
{
DBWFeedbackShow();
DBWHLUpdate();
}
/*
* ----------------------------------------------------------------------------
* DBWinit --
*
* Initialize this module and open an initial window.
*
* Results:
* None.
*
* Side effects:
* A client is added, and an initial empty window is made
* ----------------------------------------------------------------------------
*/
void
DBWinit()
{
MagWindow *initialWindow;
int i;
static char *doc =
"You are currently using the \"box\" tool. The button actions are:\n"
" left - move the box so its lower-left corner is at cursor position\n"
" right - resize box by moving upper-right corner to cursor position\n"
" middle - paint box area with material underneath cursor\n"
"You can move or resize the box by different corners by pressing left\n"
" or right, holding it down, moving the cursor near a different corner\n"
" and clicking the other (left or right) button down then up without\n"
" releasing the initial button.\n";
/* Initialize */
DBWclientID = WindAddClient("layout", DBWcreate, DBWdelete,
DBWredisplay, DBWcommands, DBWupdate, DBWexit,
(void (*)()) NULL,
(GrGlyph *) NULL);
/* Add all of the commands for the DBWind interface. These */
/* are defined in DBWCommands.c. Commands added by other */
/* modules are registered with the client by each module. */
DBWInitCommands();
DBWHLAddClient(DBWDrawBox);
DBWAddButtonHandler("box", DBWBoxHandler, STYLE_CURS_NORMAL, doc);
(void) DBWChangeButtonHandler("box");
UndoDisable();
DBCellInit();
DBUndoInit();
dbwUndoInit();
/* Create initial window, but don't load anything into it. */
WIND_MAX_WINDOWS(MAX_BITS_IN_MASK);
#ifdef MAGIC_WRAPPER
if (MakeMainWindow)
#endif
initialWindow = WindCreate(DBWclientID, (Rect *) NULL, TRUE,
0, (char **) NULL);
#ifndef MAGIC_WRAPPER
ASSERT(initialWindow != (MagWindow *) NULL, "DBWinit");
#endif
/* Other initialization routines in the DBW package */
dbwFeedbackInit();
dbwElementInit();
dbwCrosshairInit();
UndoEnable();
}
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