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Some X11 programs do not set their window icons which window managers typically use to represent that program window in switcher lists, taskbars, and so on; this little program can be handy in this case. The patch to enable window selection based on WM_CLASS hints is courtesy of Victor Kareh. WWW: http://www.leonerd.org.uk/code/xseticon/
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
--- xseticon.c.orig 2018-01-15 20:20:01 UTC
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+++ xseticon.c
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@@ -46,6 +46,7 @@ void usage(int exitcode)
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printf("options:\n");
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printf(" -name <text> : apply icon to the window of the name supplied\n");
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printf(" -id <windowid> : apply icon to the window id supplied\n");
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+ printf(" -class <text> : apply icon to the window matching the class supplied\n");
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printf("\n");
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printf("Sets the window icon to the specified .png image. The image is loaded from\n");
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printf("the file at runtime and sent to the X server; thereafter the file does not\n");
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@@ -98,6 +99,30 @@ Window Window_With_Name(Display* dpy, Window top, char
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return(w);
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}
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+Window Window_With_Class(Display* dpy, Window top, char* class)
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+{
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+ Window *children, dummy;
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+ unsigned int nchildren;
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+ int i;
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+ Window w = 0;
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+ XClassHint *hint = XAllocClassHint();
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+
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+ if (XGetClassHint(dpy, top, hint)
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+ && (!strcmp(hint->res_class, class) || !strcmp(hint->res_name, class)))
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+ return(top);
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+
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+ if (!XQueryTree(dpy, top, &dummy, &dummy, &children, &nchildren))
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+ return(0);
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+
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+ for (i=0; i<nchildren; i++) {
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+ w = Window_With_Class(dpy, children[i], class);
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+ if (w)
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+ break;
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+ }
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+ if (children) XFree ((char *)children);
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+ return(w);
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+}
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+
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Window Select_Window_Args(Display* dpy, int screen, int* rargc, char* argv[])
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{
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int nargc = 1;
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@@ -127,6 +152,16 @@ Window Select_Window_Args(Display* dpy, int screen, in
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OPTION);
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if (!w)
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Fatal_Error("No window with name %s exists!",OPTION);
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+ continue;
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+ }
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+ if (!strcmp(OPTION, "-class")) {
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+ NXTOPT;
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+ if (verbose)
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+ printf("Selecting window by class %s\n", OPTION);
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+ w = Window_With_Class(dpy, RootWindow(dpy, screen),
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+ OPTION);
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+ if (!w)
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+ Fatal_Error("No window with class %s exists!",OPTION);
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continue;
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}
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if (!strcmp(OPTION, "-id")) {
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