Bug fix #153: Possible fix for a rare timing issue
Possible fix for a very rare timing issue in focus detection. Compton may fail to detect the currently focused window, when a window newly mapped gets focused, we failed to listen to events and get FocusIn from it in time, and a series of focus change events before it happens stay in the event queue and puzzled compton. My choice is to force focus recheck on all focus-related events. More roundtrips to X, but not necessarily worse performance, due to the high cost of focus flipping especially when there's a lot of conditions. Thanks to SlackBox for reporting. (#153)
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Makefile
2
Makefile
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@ -49,7 +49,7 @@ ifeq "$(NO_VSYNC_DRM)" ""
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CFG += -DCONFIG_VSYNC_DRM
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endif
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# ==== OpenGL VSync ====
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# ==== OpenGL ====
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ifeq "$(NO_VSYNC_OPENGL)" ""
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CFG += -DCONFIG_VSYNC_OPENGL
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# -lGL must precede some other libraries, or it segfaults on FreeBSD (#74)
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@ -30,6 +30,7 @@
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// #define DEBUG_GLX_GLSL 1
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// #define DEBUG_GLX_ERR 1
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// #define DEBUG_GLX_MARK 1
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// #define DEBUG_GLX_PAINTREG 1
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// #define MONITOR_REPAINT 1
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// Whether to enable PCRE regular expression support in blacklists, enabled
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@ -781,6 +781,12 @@ recheck_focus(session_t *ps) {
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win *w = find_win_all(ps, wid);
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#ifdef DEBUG_EVENTS
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print_timestamp(ps);
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printf_dbgf("(): %#010lx (%#010lx \"%s\") focused.\n", wid,
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(w ? w->id: None), (w ? w->name: NULL));
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#endif
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// And we set the focus state here
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if (w) {
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win_set_focused(ps, w, true);
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@ -3815,12 +3821,7 @@ ev_focus_in(session_t *ps, XFocusChangeEvent *ev) {
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ev_focus_report(ev);
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#endif
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if (!ev_focus_accept(ev))
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return;
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win *w = find_win_all(ps, ev->window);
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if (w)
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win_set_focused(ps, w, true);
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recheck_focus(ps);
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}
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inline static void
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@ -3829,12 +3830,7 @@ ev_focus_out(session_t *ps, XFocusChangeEvent *ev) {
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ev_focus_report(ev);
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#endif
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if (!ev_focus_accept(ev))
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return;
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win *w = find_win_all(ps, ev->window);
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if (w)
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win_set_focused(ps, w, false);
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recheck_focus(ps);
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}
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inline static void
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