Fix X11 focus stealing from WM_TAKE_FOCUS apps (OnlyOffice)

i3.org

@@ -72,6 +72,7 @@ workspace_layout default
 * Focus Configuration
 #+begin_src conf
 focus_follows_mouse no
+focus_on_window_activation none
 #+end_src
 
 * Settings for i3-gaps
@@ -210,10 +211,10 @@ bindsym $mod+y sticky toggle
 ** focus/swap
 #+begin_src conf
 # Focus/swap the node in the given direction
-bindsym $mod+h focus left
-bindsym $mod+j focus down
-bindsym $mod+k focus up
-bindsym $mod+l focus right
+bindsym $mod+h exec --no-startup-id i3-msg focus left && i3-focus-sync
+bindsym $mod+j exec --no-startup-id i3-msg focus down && i3-focus-sync
+bindsym $mod+k exec --no-startup-id i3-msg focus up && i3-focus-sync
+bindsym $mod+l exec --no-startup-id i3-msg focus right && i3-focus-sync
 
 bindsym $mod+Shift+h move left
 bindsym $mod+Shift+j move down
@@ -227,7 +228,7 @@ bindsym $mod+p workspace prev
 bindsym $mod+n workspace next
 
 # Focus the last Desktop
-bindsym $mod+b workspace back_and_forth
+bindsym $mod+b exec --no-startup-id i3-msg workspace back_and_forth && i3-focus-sync
 
 # Focus to the given desktop
 bindsym $mod+1 workspace 1
@@ -286,6 +287,29 @@ bindsym $mod+$alt+k resize shrink height 10 px or 10 ppt
 bindsym $mod+$alt+l resize grow width 10 px or 10 ppt
 #+end_src
 
+* Fix focus for =WM_TAKE_FOCUS= applications
+Some applications (e.g. OnlyOffice, Electron apps) use the =WM_TAKE_FOCUS= protocol and
+fail to release X11 keyboard focus when i3 moves focus elsewhere.
+This keybinding forces X11 focus to the window i3 currently considers focused.
+
+#+begin_src bash :tangle ~/.local/bin/i3-focus-sync :comments none :mkdirp yes :shebang "#!/usr/bin/env bash" :tangle-mode (identity #o755)
+win=$(i3-msg -t get_tree | python3 -c "
+import json, sys
+def find_focused(node):
+    if node.get('focused') and node.get('window'):
+        return node['window']
+    for child in node.get('nodes', []) + node.get('floating_nodes', []):
+        r = find_focused(child)
+        if r is not None:
+            return r
+    return None
+w = find_focused(json.load(sys.stdin))
+if w is not None: print(w)
+" 2>/dev/null)
+[ -n "$win" ] && xdotool windowfocus --sync "$win" 2>/dev/null
+#+end_src
+
+
 * Run Polybar and SXHKD
 #+begin_src conf
 # exec --no-startup-id sxhkd -m 1 -c ~/.config/sxhkd/sxhkdrc.i3