Misc: Add properties to the registration window
Add WM_CLASS, COMPTON_VERSION, and _NET_WM_PID properties to the registration window, to ease the development of pcman's compton-conf.
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@ -4543,8 +4543,31 @@ register_cm(session_t *ps) {
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if (ps->redirected)
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XCompositeUnredirectWindow(ps->dpy, ps->reg_win, CompositeRedirectManual);
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Xutf8SetWMProperties(ps->dpy, ps->reg_win, "xcompmgr", "xcompmgr",
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NULL, 0, NULL, NULL, NULL);
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{
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XClassHint *h = XAllocClassHint();
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if (h) {
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h->res_name = "compton";
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h->res_class = "xcompmgr";
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}
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Xutf8SetWMProperties(ps->dpy, ps->reg_win, "xcompmgr", "xcompmgr",
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NULL, 0, NULL, NULL, h);
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cxfree(h);
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}
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// Set _NET_WM_PID
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{
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long pid = getpid();
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if (!XChangeProperty(ps->dpy, ps->reg_win,
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get_atom(ps, "_NET_WM_PID"), XA_CARDINAL, 32, PropModeReplace,
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(unsigned char *) &pid, 1)) {
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printf_errf("(): Failed to set _NET_WM_PID.");
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}
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}
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// Set COMPTON_VERSION
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if (!wid_set_text_prop(ps, ps->reg_win, get_atom(ps, "COMPTON_VERSION"), COMPTON_VERSION)) {
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printf_errf("(): Failed to set COMPTON_VERSION.");
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}
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{
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unsigned len = strlen(REGISTER_PROP) + 2;
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@ -337,9 +337,7 @@ isdamagenotify(session_t *ps, const XEvent *ev) {
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*/
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static inline XTextProperty *
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make_text_prop(session_t *ps, char *str) {
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XTextProperty *pprop = malloc(sizeof(XTextProperty));
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if (!pprop)
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printf_errfq(1, "(): Failed to allocate memory.");
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XTextProperty *pprop = cmalloc(1, XTextProperty);
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if (XmbTextListToTextProperty(ps->dpy, &str, 1, XStringStyle, pprop)) {
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cxfree(pprop->value);
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@ -350,6 +348,25 @@ make_text_prop(session_t *ps, char *str) {
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return pprop;
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}
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/**
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* Set a single-string text property on a window.
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*/
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static inline bool
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wid_set_text_prop(session_t *ps, Window wid, Atom prop_atom, char *str) {
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XTextProperty *pprop = make_text_prop(ps, str);
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if (!pprop) {
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printf_errf("(\"%s\"): Failed to make text property.", str);
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return false;
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}
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XSetTextProperty(ps->dpy, wid, pprop, prop_atom);
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cxfree(pprop->value);
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cxfree(pprop);
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return true;
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}
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static void
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run_fade(session_t *ps, win *w, unsigned steps);
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