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cde/cde/programs/dtwm/WmImage.c
Peter Howkins e0d8aaa0dd dtwm: Coverity 88535
2018-07-02 20:58:16 +01:00

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/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* (c) Copyright 1989, 1990, 1991, 1992, 1993 OPEN SOFTWARE FOUNDATION, INC.
* ALL RIGHTS RESERVED
*/
/*
* Motif Release 1.2.3
*/
/*
* (c) Copyright 1987, 1988, 1989, 1990 HEWLETT-PACKARD COMPANY */
/*
* Included Files:
*/
#include "WmGlobal.h"
#define MWM_NEED_IIMAGE
#include "WmIBitmap.h"
#include <Xm/XmosP.h>
/* Copied from XmosI.h */
extern String _XmOSInitPath(
String file_name,
String env_pathname,
Boolean *user_path) ;
#include <Xm/IconFile.h>
#include <Dt/GetDispRes.h>
#define MATCH_XBM 'B' /* .xbm character: see XmGetPixmap */
#define MATCH_PATH "XBMLANGPATH"
/*
* include extern functions
*/
#include "WmImage.h"
#include "WmGraphics.h"
#include "WmResource.h"
#include "WmResParse.h"
#include "WmMenu.h"
#include "WmError.h"
/******************************<->*************************************
*
* MakeClientIconPixmap (pCD, iconBitmap, iconMask)
*
*
* Description:
* -----------
* This function takes a client supplied icon image pixmap and mask
* bitmap and makes it into a colored pixmap suitable for use as an
* icon image.
*
*
* Inputs:
* ------
* pCD = pointer to client data (icon colors and tiles)
*
* iconBitmap = icon bitmap
* iconMask = mask bitmap
*
*
* Outputs:
* -------
* RETURN = icon pixmap (NULL if error)
*
******************************<->***********************************/
Pixmap MakeClientIconPixmap (
ClientData *pCD,
Pixmap iconBitmap,
Pixmap iconMask)
{
Window root;
int x;
int y;
unsigned int bitmapWidth;
unsigned int bitmapHeight;
unsigned int border;
unsigned int depth;
/*
* Check out the attributes of the bitmap to insure that it is usable.
*/
if (!XGetGeometry (DISPLAY, iconBitmap, &root, &x, &y,
&bitmapWidth, &bitmapHeight, &border, &depth))
{
Warning (((char *)GETMESSAGE(38, 1, "Invalid icon bitmap")));
return ((Pixmap)NULL);
}
if (ROOT_FOR_CLIENT(pCD) != root)
{
/*
* The bitmap was not made with usable parameters.
*/
Warning (((char *)GETMESSAGE(38, 9, "Icon bitmap cannot be used on this screen")));
return ((Pixmap)NULL);
}
#ifdef DISALLOW_DEEP_ICONS
if (depth != 1)
{
Warning (((char *)GETMESSAGE(38, 10, "Color icon pixmap not supported")));
return ((Pixmap)NULL);
}
#endif
/*
* Color the bitmap, center it in a pixmap ....
*/
return (MakeIconPixmap (pCD, iconBitmap, (Pixmap)iconMask,
bitmapWidth, bitmapHeight, depth));
} /* END OF FUNCTION MakeClientIconPixmap */
/*************************************<->*************************************
*
* MakeNamedIconPixmap (pCD, iconName)
*
*
* Description:
* -----------
* This function makes an icon pixmap for a particular client given the
* name of a bitmap file.
*
*
* Inputs:
* ------
* pCD = (nonNULL) pointer to client data
* iconName = pointer to the icon name (bitmap file path name or NULL)
*
*
* Outputs:
* -------
* RETURN = icon pixmap or NULL
*
*************************************<->***********************************/
Pixmap MakeNamedIconPixmap (ClientData *pCD, String iconName)
{
int bitmapIndex;
Pixmap pixmap, pixmap_r, mask;
Window root;
int x, y;
unsigned int width, height, border_width, depth;
String sIconFileName;
int iconSizeDesired;
/*
* Get the bitmap cache entry (will read data from file if necessary).
* If unable to find the iconName file return NULL.
*/
if ((bitmapIndex = GetBitmapIndex (PSD_FOR_CLIENT(pCD), iconName,
False)) < 0)
{
if ((PSD_FOR_CLIENT(pCD)->displayResolutionType == LOW_RES_DISPLAY) ||
(PSD_FOR_CLIENT(pCD)->displayResolutionType == VGA_RES_DISPLAY))
{
iconSizeDesired = XmMEDIUM_ICON_SIZE;
}
else
{
iconSizeDesired = XmLARGE_ICON_SIZE;
}
pixmap = XmUNSPECIFIED_PIXMAP;
sIconFileName = XmGetIconFileName(
XtScreen(PSD_FOR_CLIENT(pCD)->screenTopLevelW1),
NULL,
iconName,
NULL,
iconSizeDesired);
if (sIconFileName != NULL)
{
pixmap = XmGetPixmap (
XtScreen (PSD_FOR_CLIENT(pCD)->screenTopLevelW1),
sIconFileName,
pCD->iconImageForeground,
pCD->iconImageBackground);
}
if (pixmap == XmUNSPECIFIED_PIXMAP)
{
pixmap = XmGetPixmap (
XtScreen (PSD_FOR_CLIENT(pCD)->screenTopLevelW1),
iconName,
pCD->iconImageForeground,
pCD->iconImageBackground);
}
if (pixmap == XmUNSPECIFIED_PIXMAP)
{
MWarning (((char *)GETMESSAGE(38, 7, "Unable to read bitmap file %s\n")), iconName);
}
else
{
mask = XmeGetMask (XtScreen(PSD_FOR_CLIENT(pCD)->screenTopLevelW1),
(sIconFileName == NULL) ? iconName : sIconFileName);
if (mask == XmUNSPECIFIED_PIXMAP)
{
mask = (Pixmap) NULL;
}
if (sIconFileName != NULL)
XtFree(sIconFileName);
/*
* We need to synchronize DISPLAY1 here because the pixmap and mask
* were created on that display connection, and we must ensure that
* the server has processed those requests before we attempt to use
* the pixmap and mask on DISPLAY. We thus assume that the
* subsequent XGetGeometry() call is successful.
*/
XSync(DISPLAY1, False);
(void) XGetGeometry (DISPLAY, pixmap, &root, &x, &y, &width,
&height, &border_width, &depth);
pixmap_r = MakeIconPixmap (pCD, pixmap, mask,
width, height, depth);
XmDestroyPixmap (XtScreen (PSD_FOR_CLIENT(pCD)->screenTopLevelW1),
pixmap);
if (mask)
XmDestroyPixmap (
XtScreen (PSD_FOR_CLIENT(pCD)->screenTopLevelW1), mask);
return (pixmap_r);
}
if (sIconFileName != NULL)
XtFree (sIconFileName);
return ((Pixmap)NULL);
}
/*
* Color the bitmap, center it in a pixmap ....
*/
return (MakeCachedIconPixmap (pCD, bitmapIndex, (Pixmap)NULL));
} /* END OF FUNCTION MakeNamedIconPixmap */
/*************************************<->*************************************
*
* Pixmap
* MakeCachedIconPixmap (pCD, bitmapIndex, mask)
*
*
* Description:
* -----------
* Convert the cached bitmap and mask into an icon pixmap.
*
*
* Inputs:
* ------
* pCD - (nonNULL) pointer to client data (icon colors and tiles)
* bitmapIndex - bitmap cache index of image to be converted
* mask - bitmap mask, 1 for bits of "bitmap" to be kept
*
*
* Outputs:
* -------
* RETURN - icon pixmap or NULL
*
*
* Comments:
* --------
* o "mask" is not used.
*
*************************************<->***********************************/
Pixmap MakeCachedIconPixmap (ClientData *pCD, int bitmapIndex, Pixmap mask)
{
BitmapCache *bitmapc;
PixmapCache *pixmapc;
Pixmap pixmap = (Pixmap)NULL;
WmScreenData *pSD = PSD_FOR_CLIENT(pCD);
if (bitmapIndex < 0)
{
return ((Pixmap)NULL);
}
bitmapc = &(pSD->bitmapCache[bitmapIndex]);
/*
* Search for an icon pixmap matching the client icon colors.
*/
pixmapc = bitmapc->pixmapCache;
while (pixmapc)
{
if ((pixmapc->pixmapType == ICON_PIXMAP) &&
(pixmapc->foreground == pCD->iconImageForeground) &&
(pixmapc->background == pCD->iconImageBackground))
{
pixmap = pixmapc->pixmap;
break;
}
pixmapc = pixmapc->next;
}
/*
* If a matching pixmap was not found in the pixmap cache for this bitmap
* then create the icon pixmap with the appropriate colors.
* If have sufficient memory, save the pixmap info in the pixmapCache.
*/
if (!pixmap &&
(pixmap = MakeIconPixmap (pCD, bitmapc->bitmap, mask,
bitmapc->width, bitmapc->height, 1)) &&
(pixmapc = (PixmapCache *) XtMalloc (sizeof (PixmapCache))))
{
pixmapc->pixmapType = ICON_PIXMAP;
pixmapc->foreground = pCD->iconImageForeground;
pixmapc->background = pCD->iconImageBackground;
pixmapc->pixmap = pixmap;
pixmapc->next = bitmapc->pixmapCache;
bitmapc->pixmapCache = pixmapc;
}
return (pixmap);
} /* END OF FUNCTION MakeCachedIconPixmap */
/*************************************<->*************************************
*
* MakeIconPixmap (pCD, bitmap, mask, width, height, depth)
*
*
* Description:
* -----------
* Convert the bitmap and mask into an icon pixmap.
*
*
* Inputs:
* ------
* pCD - pointer to client data (icon colors and tiles)
* pWS - pointer to workspace data
* bitmap - bitmap image to be converted
* mask - bitmap mask, 1 for bits of "bitmap" to be kept
* width - pixel width of bitmap
* height - pixel height of bitmap
* depth - depth of bitmap (pixmap, really)
*
*
* Outputs:
* -------
* RETURN - icon pixmap or NULL
*
*
* Comments:
* --------
* o "mask" is not used.
*
*************************************<->***********************************/
Pixmap MakeIconPixmap (ClientData *pCD, Pixmap bitmap, Pixmap mask, unsigned int width, unsigned int height, unsigned int depth)
{
Pixmap iconPixmap;
GC imageGC, topGC, botGC;
XGCValues gcv;
unsigned long gc_mask;
XmPixelSet *pPS = NULL;
unsigned int imageWidth;
unsigned int imageHeight;
int dest_x, dest_y;
#ifndef NO_CLIP_CENTER
int src_x, src_y;
#endif /* NO_CLIP_CENTER */
Pixel fg;
Pixel bg;
static RList *top_rects = NULL;
static RList *bot_rects = NULL;
WmScreenData *pSD;
if ((top_rects == NULL) &&
(top_rects = AllocateRList
((unsigned)2 * ICON_INTERNAL_SHADOW_WIDTH)) == NULL)
{
/* Out of memory! */
Warning (((char *)GETMESSAGE(38, 3, "Insufficient memory to bevel icon image")));
return ((Pixmap)NULL);
}
if ((bot_rects == NULL) &&
(bot_rects = AllocateRList
((unsigned)2 * ICON_INTERNAL_SHADOW_WIDTH)) == NULL)
{
/* Out of memory! */
Warning (((char *)GETMESSAGE(38, 4, "Insufficient memory to bevel icon image")));
return ((Pixmap)NULL);
}
if (pCD)
{
pSD = pCD->pSD;
}
else
{
pSD = wmGD.pActiveSD;
}
/* don't make icon pixmap if bitmap is too small */
if ((width < pSD->iconImageMinimum.width) ||
(height < pSD->iconImageMinimum.height))
{
/* bitmap is too small */
return ((Pixmap)NULL);
}
#ifndef NO_CLIP_CENTER
/* copy the center of the icon if too big */
if (width > pSD->iconImageMaximum.width)
{
src_x = (width - pSD->iconImageMaximum.width)/2;
}
else
{
src_x = 0;
}
if (height > pSD->iconImageMaximum.height)
{
src_y = (height - pSD->iconImageMaximum.height)/2;
}
else
{
src_y = 0;
}
#endif /* NO_CLIP_CENTER */
/*
* SLAB frameStyle adds a single pixel of background color around
* the image to set it off from the beveling.
*/
imageWidth = pSD->iconImageMaximum.width +
2 * ICON_INTERNAL_SHADOW_WIDTH +
((wmGD.frameStyle == WmSLAB) ? 2 : 0);
imageHeight = pSD->iconImageMaximum.height +
2 * ICON_INTERNAL_SHADOW_WIDTH +
((wmGD.frameStyle == WmSLAB) ? 2 : 0);
/* create a pixmap (to be returned) */
iconPixmap = XCreatePixmap (DISPLAY, pSD->rootWindow,
imageWidth, imageHeight,
DefaultDepth(DISPLAY, pSD->screen));
/*
* If a client is not specified use icon component colors, otherwise
* use the client-specific icon colors.
*/
if (pCD)
{
bg = pCD->iconImageBackground;
fg = pCD->iconImageForeground;
}
else
{
bg = pSD->iconAppearance.background;
fg = pSD->iconAppearance.foreground;
}
/* create a GC to use */
gc_mask = GCForeground | GCBackground | GCGraphicsExposures;
if (mask)
{
if (pSD->pPrimaryPixelSet != NULL)
{
pPS = pSD->pPrimaryPixelSet;
gcv.background = pPS->bg;
/* set fg to bg color to clear it first */
gcv.foreground = pPS->bg;
}
else
{
gcv.background = ICON_APPEARANCE(pCD).background;
/* set fg to bg color to clear it first */
gcv.foreground = ICON_APPEARANCE(pCD).background;
}
}
else
{
gcv.foreground = bg; /* clear it first! */
gcv.background = bg;
}
gcv.graphics_exposures = False;
imageGC = XCreateGC (DISPLAY, iconPixmap, gc_mask, &gcv);
/*
* Format the image.
*/
/* fill in background */
XFillRectangle(DISPLAY, iconPixmap, imageGC, 0, 0,
imageWidth, imageHeight);
/* center the image */
if (width > pSD->iconImageMaximum.width)
{
width = pSD->iconImageMaximum.width;
}
if (height > pSD->iconImageMaximum.height)
{
height = pSD->iconImageMaximum.height;
}
/* center the image */
dest_x = (imageWidth - width) / 2;
dest_y = (imageHeight - height) / 2;
if (mask)
{
if (pPS != NULL)
{
gcv.foreground = pPS->fg;
}
else
{
gcv.foreground = ICON_APPEARANCE(pCD).foreground;
}
}
else
{
gcv.foreground = fg;
}
gc_mask = GCForeground;
if (mask)
{
gcv.clip_mask = mask;
#ifndef NO_CLIP_CENTER
gcv.clip_x_origin = dest_x - src_x;
gcv.clip_y_origin = dest_y - src_y;
#else /* NO_CLIP_CENTER */
gcv.clip_x_origin = dest_x;
gcv.clip_y_origin = dest_y;
#endif /* NO_CLIP_CENTER */
gc_mask |= GCClipXOrigin | GCClipYOrigin | GCClipMask;
}
XChangeGC (DISPLAY, imageGC, gc_mask, &gcv);
/* copy the bitmap to the pixmap */
#ifndef DISALLOW_DEEP_ICONS
if ((depth > 1) &&
(depth == DefaultDepth(DISPLAY, pSD->screen)))
{
#ifndef NO_CLIP_CENTER
XCopyArea (DISPLAY, bitmap, iconPixmap, imageGC, src_x, src_y,
width, height, dest_x, dest_y);
#else /* NO_CLIP_CENTER */
XCopyArea (DISPLAY, bitmap, iconPixmap, imageGC, 0, 0,
width, height, dest_x, dest_y);
#endif /* NO_CLIP_CENTER */
}
else
#endif /* DISALLOW_DEEP_ICONS */
#ifndef NO_CLIP_CENTER
XCopyPlane (DISPLAY, bitmap, iconPixmap, imageGC, src_x, src_y, width,
height, dest_x, dest_y, 1L);
#else /* NO_CLIP_CENTER */
XCopyPlane (DISPLAY, bitmap, iconPixmap, imageGC, 0, 0, width, height,
dest_x, dest_y, 1L);
#endif /* NO_CLIP_CENTER */
/* free resources */
XFreeGC (DISPLAY, imageGC);
if (pCD)
{
/*
* Shadowing
*/
if (mask && (pPS != NULL))
{
topGC = GetHighlightGC (pSD, pPS->ts, pPS->bg,
pCD->iconImageTopShadowPixmap);
botGC = GetHighlightGC (pSD, pPS->bs, pPS->bg,
pCD->iconImageBottomShadowPixmap);
}
else
{
topGC = GetHighlightGC (pSD, pCD->iconImageTopShadowColor,
pCD->iconImageBackground,
pCD->iconImageTopShadowPixmap);
botGC = GetHighlightGC (pSD, pCD->iconImageBottomShadowColor,
pCD->iconImageBackground,
pCD->iconImageBottomShadowPixmap);
}
/*
* CR5208 - Better fix than from OSF!
* Zero out the rectangle count in our
* static structures so that BevelRectangle
* won't extend the RList causing a memory leak.
* Old fix allocated and freed rectangle structure
* each time through.
*/
top_rects->used = 0; /* reset count */
bot_rects->used = 0;
BevelRectangle (top_rects,
bot_rects,
0, 0,
imageWidth, imageHeight,
ICON_INTERNAL_SHADOW_WIDTH,
ICON_INTERNAL_SHADOW_WIDTH,
ICON_INTERNAL_SHADOW_WIDTH,
ICON_INTERNAL_SHADOW_WIDTH);
XFillRectangles (DISPLAY, iconPixmap, topGC, top_rects->prect,
top_rects->used);
XFillRectangles (DISPLAY, iconPixmap, botGC, bot_rects->prect,
bot_rects->used);
}
return (iconPixmap);
} /* END OF FUNCTION MakeIconPixmap */
/*************************************<->*************************************
*
* Pixmap
* MakeCachedLabelPixmap (pSD, menuW, bitmapIndex)
*
*
* Description:
* -----------
* Creates and returns a label pixmap.
*
*
* Inputs:
* ------
* pSD = pointer to screen data
* menuW = menu widget (for foreground and background colors)
* bitmapIndex = bitmap cache index
*
*
* Outputs:
* -------
* Return = label pixmap or NULL.
*
*
* Comments:
* --------
* Assumes bitmapIndex is valid.
*
*************************************<->***********************************/
Pixmap MakeCachedLabelPixmap (WmScreenData *pSD, Widget menuW, int bitmapIndex)
{
BitmapCache *bitmapc;
PixmapCache *pixmapc;
int i;
Arg args[5];
Pixel fg, bg;
Pixmap pixmap = (Pixmap)NULL;
GC gc;
XGCValues gcv;
if (bitmapIndex < 0)
{
return ((Pixmap)NULL);
}
bitmapc = &(pSD->bitmapCache[bitmapIndex]);
/*
* Get the foreground and background colors from the menu widget.
* Search for a label pixmap matching those colors.
*/
i = 0;
XtSetArg (args[i], XtNforeground, &fg); i++;
XtSetArg (args[i], XtNbackground, &bg); i++;
XtGetValues (menuW, (ArgList)args, i);
pixmapc = bitmapc->pixmapCache;
while (pixmapc)
{
if ((pixmapc->pixmapType == LABEL_PIXMAP) &&
(pixmapc->foreground == fg) &&
(pixmapc->background == bg))
{
pixmap = pixmapc->pixmap;
break;
}
pixmapc = pixmapc->next;
}
if (!pixmap)
/*
* A matching pixmap was not found in the pixmap cache for this bitmap.
* Create and save the label pixmap with appropriate colors.
*/
{
/*
* Create a pixmap of the appropriate size, root, and depth.
* Only BadAlloc error possible; BadDrawable and BadValue are avoided.
*/
pixmap = XCreatePixmap (DISPLAY, pSD->rootWindow,
bitmapc->width, bitmapc->height,
DefaultDepth (DISPLAY, pSD->screen));
/*
* Create a GC and copy the bitmap to the pixmap.
* Only BadAlloc and BadDrawable errors are possible; others are avoided
*/
gcv.foreground = bg;
gcv.background = bg;
gcv.graphics_exposures = False;
gc = XCreateGC(DISPLAY, pixmap, (GCForeground|GCBackground), &gcv);
/*
* Fill in the background, set the foreground, copy the bitmap to the
* pixmap, and free the gc.
*/
XFillRectangle (DISPLAY, pixmap, gc, 0, 0,
bitmapc->width, bitmapc->height);
XSetForeground (DISPLAY, gc, fg);
XCopyPlane (DISPLAY, bitmapc->bitmap, pixmap, gc, 0, 0,
bitmapc->width, bitmapc->height, 0, 0, 1L);
XFreeGC (DISPLAY, gc);
/*
* If have sufficient memory, save the pixmap info in the pixmapCache.
*/
if ((pixmapc = (PixmapCache *) XtMalloc(sizeof(PixmapCache))) != NULL)
{
pixmapc->pixmapType = LABEL_PIXMAP;
pixmapc->foreground = fg;
pixmapc->background = bg;
pixmapc->pixmap = pixmap;
pixmapc->next = bitmapc->pixmapCache;
bitmapc->pixmapCache = pixmapc;
}
}
return (pixmap);
} /* END OF FUNCTION MakeCachedLabelPixmap */
/*************************************<->*************************************
*
* int
* GetBitmapIndex (pSD, name)
*
*
* Description:
* -----------
* Retrieve bitmap from cache.
*
*
* Inputs:
* ------
* pSD = pointer to screen data
* name = bitmap file name or NULL pointer
* bitmapCache[]
* bitmapCacheSize
* bitmapCacheCount
*
*
* Outputs:
* -------
* bitmapCache[]
* bitmapCacheSize
* bitmapCacheCount
* Return = bitmap cache index or -1
*
*
* Comments:
* --------
* None
*
*************************************<->***********************************/
#define BITMAP_CACHE_INC 5
int GetBitmapIndex (WmScreenData *pSD, char *name, Boolean bReportError)
{
char *path;
BitmapCache *bitmapc;
unsigned int n;
int x, y;
/*
* Search a nonempty bitmap cache for a pathname match.
*/
path = BitmapPathName (name);
for (n = 0, bitmapc = pSD->bitmapCache;
n < pSD->bitmapCacheCount;
n++, bitmapc++)
{
if ((!path && !bitmapc->path) ||
(path && bitmapc->path &&
!strcmp (path, bitmapc->path)))
{
return (n);
}
}
/*
* The bitmap path name was not found in bitmapCache.
* Find the next BitmapCache entry, creating or enlarging bitmapCache if
* necessary.
*/
if (pSD->bitmapCacheSize == 0)
/* create */
{
pSD->bitmapCacheSize = BITMAP_CACHE_INC;
pSD->bitmapCache =
(BitmapCache *) XtMalloc (BITMAP_CACHE_INC * sizeof (BitmapCache));
}
else if (pSD->bitmapCacheCount == pSD->bitmapCacheSize)
/* enlarge */
{
pSD->bitmapCacheSize += BITMAP_CACHE_INC;
pSD->bitmapCache = (BitmapCache *)
XtRealloc ((char*)pSD->bitmapCache,
pSD->bitmapCacheSize * sizeof (BitmapCache));
}
if (pSD->bitmapCache == NULL)
{
MWarning (((char *)GETMESSAGE(38, 5, "Insufficient memory for bitmap %s\n")), name);
pSD->bitmapCacheSize = 0;
pSD->bitmapCacheCount = 0;
return (-1);
}
bitmapc = &(pSD->bitmapCache[pSD->bitmapCacheCount]);
/*
* Fill the entry with the bitmap info.
* A NULL path indicates the builtin icon bitmap.
* Indicate that no pixmapCache exists yet.
*/
if (path)
{
if ((bitmapc->path = (String)
XtMalloc ((unsigned int)(strlen (path) + 1))) == NULL)
{
MWarning (((char *)GETMESSAGE(38, 6, "Insufficient memory for bitmap %s\n")), name);
return (-1);
}
strcpy (bitmapc->path, path);
if (XReadBitmapFile (DISPLAY, pSD->rootWindow, path,
&bitmapc->width, &bitmapc->height,
&bitmapc->bitmap, &x, &y)
!= BitmapSuccess)
{
if (bReportError)
MWarning (((char *)GETMESSAGE(38, 7, "Unable to read bitmap file %s\n")), path);
XtFree ((char *)bitmapc->path);
return (-1);
}
if (bitmapc->width == 0 || bitmapc->height == 0)
{
if (bReportError)
MWarning (((char *)GETMESSAGE(38, 8, "Invalid bitmap file %s\n")), path);
XtFree ((char *)bitmapc->path);
return (-1);
}
}
else
/* builtin icon bitmap */
{
bitmapc->path = NULL;
bitmapc->bitmap = pSD->builtinIconPixmap;
bitmapc->width = iImage_width;
bitmapc->height = iImage_height;
}
bitmapc->pixmapCache = NULL;
return (pSD->bitmapCacheCount++);
} /* END OF FUNCTION GetBitmapIndex */
/*************************************<->*************************************
*
* BitmapPathName (string)
*
*
* Description:
* -----------
* Constructs a bitmap file pathname from the bitmap file name and the
* bitmapDirectory resource value.
*
*
* Inputs:
* ------
* string = bitmap file name or NULL
* wmGD.bitmapDirectory = bitmapDirectory resource value
* HOME = environment variable for home directory
* XBMLANGPATH
* XAPPLRESDIR
*
*
* Outputs:
* -------
* Return = string containing the bitmap file pathname or NULL.
*
*
* Comments:
* --------
* If the bitmap file does not exist, searches using XBMLANGPATH.
* Returns NULL path name for a NULL file name.
*
*************************************<->***********************************/
char *BitmapPathName (char *string)
{
static char fileName[MAXWMPATH+1];
char *retname;
SubstitutionRec subs[1];
char *homeDir = XmeGetHomeDirName();
if (!string || !*string)
{
return (NULL);
}
/*
* Interpret "~/.." as relative to the user's home directory.
* Interpret "/.." as an absolute pathname.
* If the bitmapDirectory resource is nonNULL, interpret path as relative
* to it.
* Else, or if bitmapDirectory has no such file, use a XBMLANGPATH lookup.
*/
if ((string[0] == '~') && (string[1] == '/'))
/*
* Handle "~/.."
*/
{
snprintf(fileName, MAXWMPATH, "%s%s", homeDir, &(string[1]));
return (fileName);
}
if (string[0] == '/')
{
return(string);
}
if (wmGD.bitmapDirectory && *wmGD.bitmapDirectory)
/*
* Relative to nonNULL bitmapDirectory (which may have relative to HOME)
*/
{
if ((wmGD.bitmapDirectory[0] == '~') &&
(wmGD.bitmapDirectory[1] == '/'))
{
strcpy (fileName, homeDir);
strncat (fileName, &wmGD.bitmapDirectory[1],
MAXWMPATH - strlen (fileName));
} else {
snprintf(fileName, sizeof(fileName), "%s", wmGD.bitmapDirectory);
}
strncat (fileName, "/", MAXWMPATH - strlen (fileName));
strncat (fileName, string, MAXWMPATH - strlen (fileName));
/* Test file for existence. */
subs[0].substitution = "";
if ((retname = XtFindFile(fileName, subs, 0,
(XtFilePredicate) NULL)) != NULL) {
XtFree(retname);
return (fileName);
}
}
/* Fall back on a path search */
{
char *search_path;
Boolean user_path;
search_path = _XmOSInitPath(string, MATCH_PATH, &user_path);
subs[0].match = user_path ? MATCH_XBM : MATCH_CHAR;
subs[0].substitution = string;
retname = XtResolvePathname(DISPLAY, "bitmaps", NULL, NULL,
search_path, subs, XtNumber(subs),
(XtFilePredicate)NULL);
XtFree(search_path);
if (!retname)
return (string);
strncpy(fileName, retname, MAXWMPATH);
XtFree(retname);
return (fileName);
}
} /* END OF FUNCTION BitmapPathName */
/**************************** eof ***************************/
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