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viewSelection: Handle touchpad 3-finger pinches

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In order to show the overview, just like touchscreens do.

https://bugzilla.gnome.org/show_bug.cgi?id=765937
This commit is contained in:
Carlos Garnacho 2016-04-15 16:48:25 +01:00
parent 7e5274619a
commit 0b05b7a527
1 changed files with 32 additions and 4 deletions
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36
js/ui/viewSelector.js
View File

@ -23,6 +23,7 @@ const EdgeDragAction = imports.ui.edgeDragAction;
const IconGrid = imports.ui.iconGrid;
const SHELL_KEYBINDINGS_SCHEMA = 'org.gnome.shell.keybindings';
const PINCH_GESTURE_THRESHOLD = 0.7;
const ViewPage = {
WINDOWS: 1,
@ -51,6 +52,28 @@ function getTermsForSearchString(searchString) {
return terms;
}
const TouchpadShowOverviewAction = new Lang.Class({
Name: 'TouchpadShowOverviewAction',
_init: function(actor) {
actor.connect('captured-event', Lang.bind(this, this._handleEvent));
},
_handleEvent: function(actor, event) {
if (event.type() != Clutter.EventType.TOUCHPAD_PINCH)
return Clutter.EVENT_PROPAGATE;
if (event.get_touchpad_gesture_finger_count() != 3)
return Clutter.EVENT_PROPAGATE;
if (event.get_gesture_phase() == Clutter.TouchpadGesturePhase.END)
this.emit('activated', event.get_gesture_pinch_scale ());
return Clutter.EVENT_STOP;
}
});
Signals.addSignalMethods(TouchpadShowOverviewAction.prototype);
const ShowOverviewAction = new Lang.Class({
Name: 'ShowOverviewAction',
Extends: Clutter.GestureAction,
@ -230,11 +253,16 @@ const ViewSelector = new Lang.Class({
global.stage.add_action(gesture);
gesture = new ShowOverviewAction();
gesture.connect('activated', Lang.bind(this, function(action, areaDiff) {
if (areaDiff < 0.7)
Main.overview.show();
}));
gesture.connect('activated', Lang.bind(this, this._pinchGestureActivated));
global.stage.add_action(gesture);
gesture = new TouchpadShowOverviewAction(global.stage);
gesture.connect('activated', Lang.bind(this, this._pinchGestureActivated));
},
_pinchGestureActivated: function(action, scale) {
if (scale < PINCH_GESTURE_THRESHOLD)
Main.overview.show();
},
_toggleAppsPage: function() {