Revert WM_TAKE_FOCUS; not seen any example of application relying on it though

Author: iacore

gui-agent/vmside.c

@@ -1775,29 +1775,29 @@ static void handle_crossing(Ghandles * g, XID winid)
 
 }
 
-// static void take_focus(Ghandles * g, XID winid)
-// {
-//     // Send
-//     XClientMessageEvent ev;
-//     memset(&ev, 0, sizeof(ev));
-//     ev.type = ClientMessage;
-//     ev.display = g->display;
-//     ev.window = winid;
-//     ev.format = 32;
-//     ev.message_type = g->wmProtocols;
-//     ev.data.l[0] = g->wm_take_focus;
-//     ev.data.l[1] = g->time;
-//     XSendEvent(ev.display, ev.window, 1, 0, (XEvent *) & ev);
-//     if (g->log_level > 0)
-//         fprintf(stderr, "WM_TAKE_FOCUS sent for 0x%x\n",
-//                 (int) winid);
-
-// }
+static void take_focus(Ghandles * g, XID winid)
+{
+    // Send
+    XClientMessageEvent ev;
+    memset(&ev, 0, sizeof(ev));
+    ev.type = ClientMessage;
+    ev.display = g->display;
+    ev.window = winid;
+    ev.format = 32;
+    ev.message_type = g->wmProtocols;
+    ev.data.l[0] = g->wm_take_focus;
+    ev.data.l[1] = g->time;
+    XSendEvent(ev.display, ev.window, 1, 0, (XEvent *) & ev);
+    if (g->log_level > 0)
+        fprintf(stderr, "WM_TAKE_FOCUS sent for 0x%x\n",
+                (int) winid);
+}
 
 static void handle_focus(Ghandles * g, XID winid)
 {
     struct msg_focus key;
     struct genlist *l;
+    int use_take_focus = false;
 
     read_data(g->vchan, (char *) &key, sizeof(key));
     if (key.type == FocusIn) {
@@ -1807,13 +1807,18 @@ static void handle_focus(Ghandles * g, XID winid)
         } else return;
 
         if ( (l=list_lookup(windows_list, winid)) && (l->data) ) {
+            use_take_focus = ((struct window_data*)l->data)->support_take_focus;
             if (((struct window_data*)l->data)->is_docked)
                 if (key.detail == NotifyNormal)
                     XRaiseWindow(g->display, ((struct window_data*)l->data)->embeder);
         } else {
             fprintf(stderr, "WARNING handle_focus: Window 0x%x data not initialized", (int)winid);
         }
 
+        // Do not send WM_TAKE_FOCUS if the window doesn't support it
+        if (use_take_focus)
+            take_focus(g, winid);
+
         if (g->log_level > 1)
             fprintf(stderr, "0x%x raised\n", (int) winid);
     } else if (key.type == FocusOut) {