[gnome-shell/wip/gestures-2: 5/5] windowManager: Switch the focused application on 3-finger hold + tap
- From: Jasper St. Pierre <jstpierre src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-shell/wip/gestures-2: 5/5] windowManager: Switch the focused application on 3-finger hold + tap
- Date: Tue, 8 Jul 2014 16:13:48 +0000 (UTC)
commit e41879a5c47aef7c2b8fdef9fac4fe90e948e2c8
Author: Carlos Garnacho <carlosg gnome org>
Date: Fri Jun 27 22:45:58 2014 +0200
windowManager: Switch the focused application on 3-finger hold + tap
The gesture action only cycles through the applications in the current
workspace.
js/ui/windowManager.js | 101 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 101 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/windowManager.js b/js/ui/windowManager.js
index 10f9ccf..79e625b 100644
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -505,6 +505,67 @@ const WorkspaceSwitchAction = new Lang.Class({
});
Signals.addSignalMethods(WorkspaceSwitchAction.prototype);
+const AppSwitchAction = new Lang.Class({
+ Name: 'AppSwitchAction',
+ Extends: Clutter.GestureAction,
+
+ _init : function() {
+ this.parent();
+ this.set_n_touch_points(3);
+
+ global.display.connect('grab-op-begin', Lang.bind(this, function() {
+ this.cancel();
+ }));
+ },
+
+ vfunc_gesture_prepare : function(action, actor) {
+ return this.get_n_current_points() <= 4;
+ },
+
+ vfunc_gesture_begin : function(action, actor) {
+ // in milliseconds
+ const LONG_PRESS_TIMEOUT = 250;
+
+ let nPoints = this.get_n_current_points();
+ let event = this.get_last_event (nPoints - 1);
+
+ if (nPoints == 3)
+ this._longPressStartTime = event.get_time();
+ else if (nPoints == 4) {
+ // Check whether the 4th finger press happens after a 3-finger long press,
+ // this only needs to be checked on the first 4th finger press
+ if (this._longPressStartTime != null &&
+ event.get_time() < this._longPressStartTime + LONG_PRESS_TIMEOUT)
+ this.cancel();
+ else {
+ this._longPressStartTime = null;
+ this.emit('activated');
+ }
+ }
+
+ return this.get_n_current_points() <= 4;
+ },
+
+ vfunc_gesture_progress : function(action, actor) {
+ const MOTION_THRESHOLD = 30;
+
+ if (this.get_n_current_points() == 3) {
+ for (let i = 0; i < this.get_n_current_points(); i++) {
+ [startX, startY] = this.get_press_coords(i);
+ [x, y] = this.get_motion_coords(i);
+
+ if (Math.abs(x - startX) > MOTION_THRESHOLD ||
+ Math.abs(y - startY) > MOTION_THRESHOLD)
+ return false;
+ }
+
+ }
+
+ return true;
+ }
+});
+Signals.addSignalMethods(AppSwitchAction.prototype);
+
const WindowManager = new Lang.Class({
Name: 'WindowManager',
@@ -739,6 +800,46 @@ const WindowManager = new Lang.Class({
this.actionMoveWorkspace(newWs);
}));
global.stage.add_action(gesture);
+
+ gesture = new AppSwitchAction();
+ gesture.connect('activated', Lang.bind(this, this._switchApp));
+ global.stage.add_action(gesture);
+ },
+
+ _lookupIndex: function (windows, metaWindow) {
+ for (let i = 0; i < windows.length; i++) {
+ if (windows[i].metaWindow == metaWindow) {
+ return i;
+ }
+ }
+ return -1;
+ },
+
+ _switchApp : function () {
+ let windows = global.get_window_actors().filter(Lang.bind(this, function(actor) {
+ let win = actor.metaWindow;
+ return (!win.is_override_redirect() &&
+ win.located_on_workspace(global.screen.get_active_workspace()));
+ }));
+
+ if (windows.length == 0)
+ return;
+
+ let focusWindow = global.display.focus_window;
+ let nextWindow;
+
+ if (focusWindow == null)
+ nextWindow = windows[0].metaWindow;
+ else {
+ let index = this._lookupIndex (windows, focusWindow) + 1;
+
+ if (index >= windows.length)
+ index = 0;
+
+ nextWindow = windows[index].metaWindow;
+ }
+
+ Main.activateWindow(nextWindow);
},
keepWorkspaceAlive: function(workspace, duration) {
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