处理 property_notify 事件

src/main.c

@@ -10,6 +10,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <wordexp.h>
+#include <xcb/xproto.h>
 
 #include "action.h"
 #include "config.h"
@@ -44,6 +45,7 @@ static void expose(expose_event_t *event);
 static void motion_notify(motion_notify_event_t *event);
 static void enter_notify(enter_notify_event_t *event);
 static void focus_in(focus_in_event_t *event);
+static void property_notify(property_notify_event_t *event);
 static void manage_window(xcb_window_t window);
 static void unmanage_client(client_t *client, bool destroyed);
 static void update_client_list(void);
@@ -473,6 +475,7 @@ void xcb_event_handler(generic_event_t *event, void *user_data) {
     EVENT(EVENT_TYPE_MOTION_NOTIFY, motion_notify);
     EVENT(EVENT_TYPE_ENTER_NOTIFY, enter_notify);
     EVENT(EVENT_TYPE_FOCUS_IN, focus_in);
+    EVENT(EVENT_TYPE_PROPERTY_NOTIFY, property_notify);
 
 #undef EVENT
 
@@ -579,6 +582,32 @@ void focus_in(focus_in_event_t *event) {
   }
 }
 
+void property_notify(property_notify_event_t *event) {
+  if (event->state == property_delete) return;
+
+  client_t *c = get_client_of_window(event->window);
+  if (!c) return;
+  switch (event->xcb_atom) {
+    case XCB_ATOM_WM_TRANSIENT_FOR: {
+      xcb_window_t transient_for;
+      if (!c->floating &&
+          ((transient_for = get_transient_window_for(event->window)) !=
+           WINDOW_NONE) &&
+          (c->floating = (get_client_of_window(transient_for) != NULL))) {
+        arrange(c->monitor);
+      }
+      break;
+    }
+    default:
+      break;
+  }
+  if (event->xcb_atom == XCB_ATOM_WM_NAME ||
+      event->xcb_atom == get_xcb_atom(atom_net_wm_name)) {
+    update_client_name(c);
+    if (c->tags & c->monitor->selected_tags) draw_monitor_bar(c->monitor);
+  }
+}
+
 void manage_window(xcb_window_t window) {
   window_geometry_t *geometry = get_window_geometry(window);
   client_t *c = ecalloc(1, sizeof(client_t));
@@ -874,17 +903,6 @@ gboolean handle_xcb_event(GIOChannel *channel, GIOCondition condition,
 }
 
 void cleanup(void) {
-  clean_pango_context();
-
-  free_wallpaper_config(wallpaper_config);
-  wallpaper_config = NULL;
-
-  free(color_set);
-  color_set = NULL;
-
-  free(font_family);
-  font_family = NULL;
-
   monitor_t *m = monitors;
   client_t *c = m->clients;
   while (m) {
@@ -902,6 +920,17 @@ void cleanup(void) {
   }
   monitors = NULL;
 
+  clean_pango_context();
+
+  free_wallpaper_config(wallpaper_config);
+  wallpaper_config = NULL;
+
+  free(color_set);
+  color_set = NULL;
+
+  free(font_family);
+  font_family = NULL;
+
   destroy_event_adapter(adapter);
   adapter = NULL;