From 07ed9901e7a6ff65a6baa2dcf95e206dc6970ca5 Mon Sep 17 00:00:00 2001
From: Richard Grenville <pyxlcy@gmail.com>
Date: Sun, 10 Mar 2013 18:45:54 +0800
Subject: Improvement: ARGB window matching & Enable track_focus with D-Bus

- Add predefined matching target "argb" to match ARGB windows.

- Make it possible to enable focus tracking on-the-fly with D-Bus
  method.
---
 compton.c | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

(limited to 'compton.c')

diff --git a/compton.c b/compton.c
index ff1dd4975..8bd853384 100644
--- a/compton.c
+++ b/compton.c
@@ -1822,6 +1822,9 @@ map_win(session_t *ps, Window id) {
   // Make sure the XSelectInput() requests are sent
   XSync(ps->dpy, False);
 
+  // Update window mode here to do matching of ARGB
+  win_determine_mode(ps, w);
+
   // Detect client window here instead of in add_win() as the client
   // window should have been prepared at this point
   if (!w->client_win) {
@@ -1982,8 +1985,6 @@ win_determine_mode(session_t *ps, win *w) {
   winmode_t mode = WMODE_SOLID;
   XRenderPictFormat *format;
 
-  /* if trans prop == -1 fall back on previous tests */
-
   if (w->a.class == InputOnly) {
     format = 0;
   } else {
@@ -3247,6 +3248,29 @@ win_set_invert_color_force(session_t *ps, win *w, switch_t val) {
     win_determine_invert_color(ps, w);
   }
 }
+
+/**
+ * Enable focus tracking.
+ */
+void
+opts_init_track_focus(session_t *ps) {
+  // Already tracking focus
+  if (ps->o.track_focus)
+    return;
+
+  ps->o.track_focus = true;
+
+  if (!ps->o.use_ewmh_active_win) {
+    // Start listening to FocusChange events
+    for (win *w = ps->list; w; w = w->next)
+      if (IsViewable == w->a.map_state)
+        XSelectInput(ps->dpy, w->id,
+            determine_evmask(ps, w->id, WIN_EVMODE_FRAME));
+  }
+
+  // Recheck focus
+  recheck_focus(ps);
+}
 //!@}
 #endif
 
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