wmpager: fix memory leaks pointed out by valgrind
This commit is contained in:
Alexey I. Froloff
Carlos R. Mafra
parent
aca75d2e2d
commit
2f27664839
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@ -27,8 +27,6 @@
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#define AUTHOR "Bruno Essmann <essmann@users.sourceforge.net>"
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#define APPLICATION "wmpager"
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#define VERSION "1.2"
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#define BUILD_REV "$Revision: 1.4 $"
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#define BUILD_DATE "$Date: 2002/08/16 17:22:26 $"
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#define XA_NET_NUMBER_OF_DESKTOPS "_NET_NUMBER_OF_DESKTOPS"
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#define XA_NET_CURRENT_DESKTOP "_NET_CURRENT_DESKTOP"
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@ -159,7 +157,7 @@ int main (int nArgc, char** szArgv) {
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} else if (strcmp("-t", szArgv[i]) == 0 || strcmp("--theme", szArgv[i]) == 0) {
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i+= 1;
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if (i < nArgc) {
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szTheme= szArgv[i];
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szTheme= strdup(szArgv[i]);
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} else {
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fprintf(stderr, "%s: theme argument expected for '%s'\n\n", getApplicationName(), szArgv[i-1]);
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usage(0);
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@ -254,13 +252,7 @@ void usage (int bVerbose) {
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}
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void info () {
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char* szRev= strdup(BUILD_REV);
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char* szDate= strdup(BUILD_DATE);
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szRev= &szRev[11];
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szRev[strlen(szRev) - 2]= '\0';
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szDate= &szDate[7];
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szDate[strlen(szDate) - 2]= '\0';
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fprintf(stdout, "%s %s (build %s, %s)\n\n", APPLICATION, VERSION, szRev, szDate);
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fprintf(stdout, "%s %s\n\n", APPLICATION, VERSION);
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}
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/*
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@ -373,8 +365,7 @@ void initWindow (int nArgc, char** szArgv) {
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XSizeHints *xsizehints;
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XWMHints* xwmhints;
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XClassHint* xclasshint;
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XTextProperty* xtApplication;
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XGCValues xgcMain;
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XTextProperty xtApplication;
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if (isVerbose()) {
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fprintf(stdout, "[%8ld] initializing application window\n", currentTimeMillis());
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@ -419,14 +410,18 @@ void initWindow (int nArgc, char** szArgv) {
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XSetWMNormalHints(display, _wMain, xsizehints);
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xtApplication= (XTextProperty*) malloc(sizeof(XTextProperty));
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if (XStringListToTextProperty(&szApplicationName, 1, xtApplication) == 0) {
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XFree(xclasshint);
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XFree(xwmhints);
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XFree(xsizehints);
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if (XStringListToTextProperty(&szApplicationName, 1, &xtApplication) == 0) {
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fprintf(stderr, "Cannot set window title.\n");
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exit(-1);
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}
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XSetWMName(display, _wMain, xtApplication);
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XSetWMName(display, _wMain, &xtApplication);
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XFree(xtApplication.value);
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_gcMain= XCreateGC(display, _wMain, (GCForeground | GCBackground), &xgcMain);
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_gcMain= XCreateGC(display, _wMain, 0L, NULL);
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if (_gcMain == NULL) {
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fprintf(stderr, "Cannot create graphics context.\n");
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exit(-1);
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@ -453,7 +448,6 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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Window wRoot= getRootWindow();
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Window wMain= getMainWindow();
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Window wIcon= getIconWindow();
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XGCValues xgc, xgcWindow;
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Pixmap pOpaque, pTransparent, pMask;
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char* mask= (char*) malloc(512);
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int i;
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@ -484,7 +478,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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exit(-1);
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}
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gc= XCreateGC(display, pMask, (GCForeground | GCBackground), &xgc);
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gc= XCreateGC(display, pMask, 0L, NULL);
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if (gc == NULL) {
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fprintf(stderr, "%s: couldn't create window mask (mask graphics).\n", getApplicationName());
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exit(-1);
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@ -495,6 +489,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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XCopyArea(display, pOpaque, pMask, gc, nButtonX, nButtonY, getButtonWidth(), getButtonHeight(), nButtonX, nButtonY);
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}
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free(mask);
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XFreePixmap(display, pOpaque);
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XFreePixmap(display, pTransparent);
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XFreeGC(display, gc);
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@ -522,7 +517,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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struct stat buf;
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/* check for absolute button theme pathname */
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if (stat(szButtonTheme, &buf) == -1) {
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char* szNewTheme= (char*) malloc(strlen(szButtonTheme) + 4);
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char* szNewTheme= (char*) malloc(strlen(szButtonTheme) + 5);
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strcpy(szNewTheme, szButtonTheme);
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strcat(szNewTheme, ".xpm");
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if (isVerbose()) {
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@ -530,6 +525,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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}
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/* check for absolute button theme pathname (with .xpm added) */
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if (stat(szNewTheme, &buf) == 0) {
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free(szButtonTheme);
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szButtonTheme= szNewTheme;
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if (isVerbose()) {
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fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
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@ -540,7 +536,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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}
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}
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if (bCheckAgain && szInstallDir != NULL) {
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char* szNewTheme= (char*) malloc(strlen(szInstallDir) + strlen(szButtonTheme) + 5);
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char* szNewTheme= (char*) malloc(strlen(szInstallDir) + strlen(szButtonTheme) + 6);
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strcpy(szNewTheme, szInstallDir);
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if (szNewTheme[strlen(szNewTheme) - 1] != '/') {
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strcat(szNewTheme, "/");
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@ -548,6 +544,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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strcat(szNewTheme, szButtonTheme);
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if (stat(szNewTheme, &buf) == 0) {
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bCheckAgain= 0;
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free(szButtonTheme);
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szButtonTheme= szNewTheme;
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if (isVerbose()) {
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fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
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@ -556,10 +553,13 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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strcat(szNewTheme, ".xpm");
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if (stat(szNewTheme, &buf) == 0) {
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bCheckAgain= 0;
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free(szButtonTheme);
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szButtonTheme= szNewTheme;
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if (isVerbose()) {
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fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
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}
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} else {
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free(szNewTheme);
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}
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}
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}
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@ -568,7 +568,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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char* szHome= (char*) getenv("HOME");
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if (szHome) {
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/* one really shouldn't copy&paste but hey this is a q&d tool */
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char* szNewTheme= (char*) malloc(strlen(szHome) + strlen(szButtonTheme) + strlen(WMPAGER_USER_DIR) + 5);
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char* szNewTheme= (char*) malloc(strlen(szHome) + strlen(szButtonTheme) + strlen(WMPAGER_USER_DIR) + 6);
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strcpy(szNewTheme, szHome);
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if (szNewTheme[strlen(szNewTheme) - 1] != '/') {
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strcat(szNewTheme, "/");
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@ -577,6 +577,7 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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strcat(szNewTheme, szButtonTheme);
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if (stat(szNewTheme, &buf) == 0) {
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bCheckAgain= 0;
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free(szButtonTheme);
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szButtonTheme= szNewTheme;
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if (isVerbose()) {
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fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
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@ -585,10 +586,13 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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strcat(szNewTheme, ".xpm");
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if (stat(szNewTheme, &buf) == 0) {
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bCheckAgain= 0;
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free(szButtonTheme);
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szButtonTheme= szNewTheme;
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if (isVerbose()) {
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fprintf(stdout, "[%8ld] initializing button theme '%s'\n", currentTimeMillis(), szButtonTheme);
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}
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} else {
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free(szNewTheme);
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}
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}
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}
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@ -601,6 +605,8 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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fprintf(stderr, "%s: couldn't read button theme '%s'.\n", getApplicationName(), szButtonTheme);
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exit(-1);
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}
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free(szButtonTheme);
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}
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if (isVerbose()) {
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@ -617,8 +623,8 @@ void initWindowMask (char* szInstallDir, char* szButtonTheme) {
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exit(-1);
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}
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_gcWindow= XCreateGC(_display, _pWindow, (GCForeground | GCBackground), &xgcWindow);
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if (gc == NULL) {
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_gcWindow= XCreateGC(_display, _pWindow, 0L, NULL);
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if (_gcWindow == NULL) {
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fprintf(stderr, "%s: couldn't create screen buffer graphics.\n", getApplicationName());
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exit(-1);
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}
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@ -690,6 +696,7 @@ void getWindowOrigin (Window w, int* nX, int* nY) {
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void loop () {
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Display* display= getDisplay();
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XEvent event;
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char* atom_name;
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if (isVerbose()) {
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fprintf(stdout, "[%8ld] starting event loop\n", currentTimeMillis());
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@ -719,7 +726,10 @@ void loop () {
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}
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break;
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case PropertyNotify:
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if (strcmp(XA_NET_CURRENT_DESKTOP, XGetAtomName(getDisplay(), event.xproperty.atom)) == 0) {
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atom_name = XGetAtomName(getDisplay(), event.xproperty.atom);
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if (atom_name == NULL)
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break;
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if (strcmp(XA_NET_CURRENT_DESKTOP, atom_name) == 0) {
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setCurrentScreen(-1);
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if (isVerbose()) {
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fprintf(stdout, "[%8ld] new current workspace (%d= %s)\n",
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@ -727,6 +737,7 @@ void loop () {
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}
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redrawWindow();
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}
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XFree(atom_name);
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break;
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case DestroyNotify:
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if (isVerbose()) {
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@ -947,9 +958,7 @@ void setCurrentScreen (int nCurrentScreen) {
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if ((nFormat == 32) && (nItems == 1) && (nBytesAfter == 0)) {
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nScreen= *(long*) data;
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}
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if (xaType != None) {
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XFree(data);
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}
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XFree(data);
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_nLastScreen= nScreen;
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} else {
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_nLastScreen= nCurrentScreen;
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@ -977,12 +986,11 @@ void initScreens () {
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if ((nFormat == 32) && (nItems == 1) && (nBytesAfter == 0)) {
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_nScreens= *(long*) data;
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}
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if (xaType != None) {
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XFree(data);
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}
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XFree(data);
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XGetTextProperty(getDisplay(), getRootWindow(), &tp, _xaNetDesktopNames);
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Xutf8TextPropertyToTextList(getDisplay(), &tp, &_szScreenNames, &_nDesktopNames);
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XFree(tp.value);
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_nLastScreen= -1;
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setCurrentScreen(-1);
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