Persistent centered mode (aka "Sticky Centering")

keybindings.js

@@ -160,6 +160,10 @@ function init() {
                                              Scratch),
                         Meta.KeyBindingFlags.PER_WINDOW);
 
+    registerPaperAction("switch-focus-mode",
+                        dynamic_function_ref("switchToNextFocusMode",
+                                             Tiling));
+
     registerPaperAction("develop-set-globals",
                         dynamic_function_ref("setDevGlobals",
                                              Utils));

minimap.js

@@ -122,7 +122,7 @@ var Minimap = class Minimap extends Array {
         }
 
         this.layout();
-        let time = animate ? 0.25 : 0;
+        let time = animate ? prefs.animation_time : 0;
         this.actor.show();
         Tweener.addTween(this.actor,
                          {opacity: 255, time, mode: Clutter.AnimationMode.EASE_OUT_EXPO});
@@ -131,7 +131,7 @@ var Minimap = class Minimap extends Array {
     hide(animate) {
         if (this.destroyed)
             return;
-        let time = animate ? 0.25 : 0;
+        let time = animate ? prefs.animation_time : 0;
         Tweener.addTween(this.actor,
                          {opacity: 0, time, mode: Clutter.AnimationMode.EASE_OUT_EXPO,
                           onComplete: () => this.actor.hide() });

navigator.js

@@ -261,7 +261,7 @@ class NavigatorClass {
         this._block = Main.wm._blockAnimations;
         Main.wm._blockAnimations = true;
         // Meta.disable_unredirect_for_screen(screen);
-        this.space = Tiling.spaces.spaceOf(workspaceManager.get_active_workspace());
+        this.space = Tiling.spaces.getActiveSpace();
 
         this._startWindow = this.space.selectedWindow;
         this.from = this.space;

prefsKeybinding.js

@@ -37,6 +37,7 @@ const actions = {
         'switch-last',
         'live-alt-tab',
         'live-alt-tab-backward',
+        'switch-focus-mode',
         'move-left',
         'move-right',
         'move-up',

resources/ICONS.info

@@ -0,0 +1,5 @@
+SVG icons adapted from "GNOME Project" adwaita-icon-theme (https://github.com/GNOME/adwaita-icon-theme).
+
+See http://www.gnome.org for more information.
+
+Please see terms, under which these icons have been copied, at https://github.com/GNOME/adwaita-icon-theme/blob/master/COPYING.

schemas/org.gnome.shell.extensions.paperwm.gschema.xml

@@ -108,6 +108,11 @@
         <default><![CDATA[['<Super>t']]]></default>
         <summary>Take the window, dropping it when finished navigating</summary>
     </key>
+
+    <key type="as" name="switch-focus-mode">
+      <default><![CDATA[['<Super><Shift>c']]]></default>
+      <summary>Switch between Window Focus Modes (e.g. default, center)</summary>
+    </key>
 
     <key type="as" name="switch-next">
       <default><![CDATA[['<Super>period']]]></default>
@@ -243,7 +248,7 @@
       </key>
       <key type="b" name="show-top-bar">
           <default>true</default>
-          <summary>Wether to hide the top bar or not</summary>
+          <summary>Show the topbar</summary>
       </key>
       <key type="s" name="color">
           <default>''</default>
@@ -374,6 +379,11 @@
         <summary>Show the window position bar in the topbar</summary>
     </key>
 
+    <key type="b" name="show-focus-mode-icon">
+        <default>true</default>
+        <summary>Show the focus mode icon in the topbar</summary>
+    </key>
+
     <key type="d" name="animation-time">
         <default>0.25</default>
         <summary>Duration of animations in seconds</summary>

settings.js

@@ -35,7 +35,7 @@ var prefs = {};
  'workspace-colors', 'default-background', 'animation-time', 'use-workspace-name',
  'pressure-barrier', 'default-show-top-bar', 'swipe-sensitivity', 'swipe-friction',
  'cycle-width-steps', 'cycle-height-steps', 'topbar-follow-focus', 'minimap-scale', 
- 'winprops', 'show-window-position-bar']
+ 'winprops', 'show-window-position-bar', 'show-focus-mode-icon']
     .forEach((k) => setState(null, k));
 
 prefs.__defineGetter__("minimum_margin", function() { return Math.min(15, this.horizontal_margin) });

stylesheet.css

@@ -1,3 +1,25 @@
+.space-label-wrapper {
+    padding: 0 10px 0 0;
+    background-color: transparent;
+    border-image: none;
+    background-image: none;
+    border: none;
+}
+
+.space-focus-mode-icon {
+    icon-size: 16px;
+    padding: 0 18px 0 18px;
+    margin-left: 3px;
+    background-color: transparent;
+}
+
+.focus-button-tooltip {
+    background-color: rgba(0, 0, 0, 0.7);
+    padding: 8px;
+    border-radius: 8px;
+    font-weight: 600;
+}
+
 .topbar-clear {
     background-color: rgba(0, 0, 0, 0);
 }