[gnome-shell/wip/carlosg/grabs-pt2: 16/30] slider: Use Clutter.grab() for implicit grab




commit bcd5b3021af04228b75fea621972ed4029dcaea0
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Nov 18 00:00:52 2021 +0100

    slider: Use Clutter.grab() for implicit grab

 js/ui/slider.js | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)
---
diff --git a/js/ui/slider.js b/js/ui/slider.js
index ba3a233f15..bd8f45f6a0 100644
--- a/js/ui/slider.js
+++ b/js/ui/slider.js
@@ -73,10 +73,7 @@ var Slider = GObject.registerClass({
         let device = event.get_device();
         let sequence = event.get_event_sequence();
 
-        if (sequence != null)
-            device.sequence_grab(sequence, this);
-        else
-            device.grab(this);
+        this._grab = global.stage.grab(this);
 
         this._grabbedDevice = device;
         this._grabbedSequence = sequence;
@@ -98,10 +95,10 @@ var Slider = GObject.registerClass({
                 this._releaseId = 0;
             }
 
-            if (this._grabbedSequence != null)
-                this._grabbedDevice.sequence_ungrab(this._grabbedSequence);
-            else
-                this._grabbedDevice.ungrab();
+            if (this._grab) {
+                this._grab.dismiss();
+                this._grab = null;
+            }
 
             this._grabbedSequence = null;
             this._grabbedDevice = null;
@@ -128,8 +125,9 @@ var Slider = GObject.registerClass({
             event.type() == Clutter.EventType.TOUCH_BEGIN) {
             this.startDragging(event);
             return Clutter.EVENT_STOP;
-        } else if (device.sequence_get_grabbed_actor(sequence) == this) {
-            if (event.type() == Clutter.EventType.TOUCH_UPDATE)
+        } else if (this._grabbedSequence &&
+                   sequence.get_slot() === this._grabbedSequence.get_slot()) {
+           if (event.type() == Clutter.EventType.TOUCH_UPDATE)
                 return this._motionEvent(this, event);
             else if (event.type() == Clutter.EventType.TOUCH_END)
                 return this._endDragging();


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