XtPointer
XmeTraitGet(XtPointer obj, XrmQuark name)
{
XtPointer trait;
XmTraitEntryRec entry;
entry.obj = obj;
entry.name = name;
_XmProcessLock();
trait = _XmGetHashEntry(TraitTable, &entry);
_XmProcessUnlock();
return(trait);
}
String
XmGetIconFileName(
Screen *screen,
String imageInstanceName,
String imageClassName,
String hostPrefix,
unsigned int size)
{
Display *display = DisplayOfScreen(screen);
String fileName = NULL;
String names[2];
String names_w_size[2];
XmConst char *bPath, *iPath;
Cardinal i;
Boolean useColor;
Boolean useMask;
Boolean useIconFileCache;
Boolean absolute = 0;
XtFilePredicate testFileFunc;
String homedir = NULL ;
static String iconPath = NULL;
static String bmPath = NULL;
static XmHashTable iconNameCache = NULL;
char stackString[MAX_DIR_PATH_LEN];
#define B_SUB 0
#define P_SUB 1
#define M_SUB 2
#define H_SUB 3
SubstitutionRec iconSubs[] = {
{'B', NULL}, /* bitmap name */
{'P', NULL}, /* alternate bitmap name BC */
{'M', NULL}, /* magnitude */
{'H', NULL}, /* host prefix */
};
XtAppContext app;
app = XtDisplayToApplicationContext(display);
_XmAppLock(app);
/* start by asking some screen state */
(void)XmeGetIconControlInfo(screen,
&useMask, /* not used here */
&useColor,
&useIconFileCache);
_XmProcessLock();
/* generate the icon paths once per application: iconPath and bmPath */
if (!iconNameCache) {
Boolean junkBoolean;
iconNameCache = _XmAllocHashTable(100,
CompareIconNames, HashIconName);
cacheList.numDirs =
cacheList.maxDirs = 0;
cacheList.dirs = NULL;
homedir = XmeGetHomeDirName();
strcpy(stackString, homedir) ;
if (useColor) {
iconPath = _XmOSInitPath(NULL, "XMICONSEARCHPATH", &junkBoolean);
}
else {
iconPath = _XmOSInitPath(NULL, "XMICONBMSEARCHPATH", &junkBoolean);
}
/* 1.2 path as a fallback */
bmPath = _XmOSInitPath(NULL, "XBMLANGPATH", &junkBoolean);
}
switch (size) {
case XmTINY_ICON_SIZE:
iconSubs[M_SUB].substitution = ".t";
break;
case XmSMALL_ICON_SIZE:
iconSubs[M_SUB].substitution = ".s";
break;
case XmMEDIUM_ICON_SIZE:
iconSubs[M_SUB].substitution = ".m";
break;
case XmLARGE_ICON_SIZE:
iconSubs[M_SUB].substitution = ".l";
break;
case XmUNSPECIFIED_ICON_SIZE:
iconSubs[M_SUB].substitution = NULL;
break;
}
iconSubs[H_SUB].substitution = hostPrefix;
if (useIconFileCache)
testFileFunc = TestIconFile;
else
testFileFunc = NULL;
names[0] = imageInstanceName;
names[1] = imageClassName;
names_w_size[0] = names_w_size[1] = (String)NULL;
/** loop over the two names */
for (i = 0; i < 2; i++) {
if (names[i] == NULL)
continue;
if ((absolute = _XmOSAbsolutePathName(names[i], &names[i],
stackString)) != FALSE) {
iPath = ABSOLUTE_IPATH;
bPath = ABSOLUTE_PATH;
}
else {
iPath = iconPath;
bPath = bmPath;
}
iconSubs[B_SUB].substitution = names[i];
iconSubs[P_SUB].substitution = names[i];
/* need to add size suffix if size is specified */
if (size != XmUNSPECIFIED_ICON_SIZE) {
int basenameLen = strlen(names[i]);
int sizeLen = strlen(iconSubs[M_SUB].substitution);
char * ext_name = XtMalloc(basenameLen + sizeLen + 1);
/* XmosP.h takes care of bcopy translation */
memmove(&ext_name[0], names[i], basenameLen);
memmove(&ext_name[basenameLen],
iconSubs[M_SUB].substitution, sizeLen);
ext_name[basenameLen + sizeLen] = '\0';
names_w_size[i] = ext_name;
} else
names_w_size[i] = NULL;
/*
* try to see if its already in the image cache
*/
if (_XmInImageCache(names[i]))
fileName = XtNewString(names[i]);
/*
* optimization to check all expansions in cache
*/
if (!fileName) {
DtIconNameEntry iNameEntry;
DtIconNameEntryRec iNameData ;
iNameData.key_name = (names_w_size[i])?names_w_size[i]:names[i];
iNameEntry = (DtIconNameEntry)
_XmGetHashEntry(iconNameCache, (XmHashKey)&iNameData);
if (iNameEntry) {
int dirLen, leafLen;
dirLen = strlen(iNameEntry->dirName);
leafLen = strlen(iNameEntry->leafName);
fileName = XtMalloc(dirLen + leafLen + 2);
memmove(&fileName[0],
iNameEntry->dirName,
dirLen);
#ifdef FIX_1427
if (dirLen == 0) {
memmove(&fileName[dirLen], iNameEntry->leafName, leafLen);
fileName[dirLen + leafLen] = '\0';
} else {
#endif
fileName[dirLen] = '/';
memmove(&fileName[dirLen + 1],
iNameEntry->leafName,
leafLen);
fileName[dirLen + leafLen + 1] = '\0';
#ifdef FIX_1427
}
#endif
}
}
if (fileName) {
/*
* CDExc20823 (memory leak): free names_w_size[i]
* if it is not NULL.
* NOTE: This code could be reorganized to do
* _XmInImageCache() at the top of this loop
* so we could avoid unnecessary malloc's for
* names_w_size, but I wanted to minimize the
* code impact of this defect for now.
*/
for (i = 0; i < 2; i++)
{
if (names_w_size[i] != (String)NULL)
XtFree(names_w_size[i]);
}
_XmProcessUnlock();
_XmAppUnlock(app);
return fileName;
}
/*******************************
* first try XPM and then XBM
******************************/
fileName =
XtResolvePathname(display, "icons", NULL,
NULL, iPath, iconSubs,
XtNumber(iconSubs),
(XtFilePredicate) testFileFunc);
if (fileName == NULL) {
fileName =
XtResolvePathname(display, "bitmaps", NULL,
NULL, bPath, iconSubs,
XtNumber(iconSubs),
(XtFilePredicate) testFileFunc);
}
if (fileName)
break;
}
_XmProcessUnlock();
if (fileName && !absolute) {
/* register it in name cache */
DtIconNameEntry iNameEntry;
String name_used = (names_w_size[i])? names_w_size[i] : names[i] ;
/** alloc a icon cache entry **/
iNameEntry = (DtIconNameEntry) XtMalloc(sizeof(DtIconNameEntryRec));
iNameEntry->key_name = XtNewString(name_used);
#ifndef XTHREADS
if (useIconFileCache)
{
iNameEntry->dirName = XtNewString(GdirName);
iNameEntry->leafName = XtNewString(GleafName);
}
else
#endif
{
String dirName;
String filePtr;
String suffixPtr;
int dirNameLen;
_XmOSFindPathParts(fileName, &filePtr, &suffixPtr);
if (fileName == filePtr)
dirNameLen = 0;
else {
/* take the slash into account */
dirNameLen = filePtr - fileName - 1;
}
dirName = (String)XtMalloc(dirNameLen + 1);
strncpy(dirName, fileName, dirNameLen);
dirName[dirNameLen] = '\0';
iNameEntry->dirName = dirName;
iNameEntry->leafName = XtNewString(filePtr);
}
_XmProcessLock();
_XmAddHashEntry(iconNameCache, (XmHashKey)iNameEntry,
(XtPointer)iNameEntry);
_XmProcessUnlock();
}
/*
* CDExc20823 (memory leak): free names_w_size[i] if not NULL.
*/
for (i = 0; i < 2; i++)
{
if (names_w_size[i] != (String)NULL)
XtFree(names_w_size[i]);
}
_XmAppUnlock(app);
return fileName;
}