From: Jonas Dreßler <verdre@v0yd.nl>
Date: Fri, 8 Apr 2022 23:21:54 +0000 (+0200)
Subject: search: Use ClutterPanGesture for touchscreen scrolling
X-Git-Tag: archive/raspbian/50.5-1+rpi1~1^2~104^2^2~43
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=c3b1057e6df824dd76d2422ceb1d2d55f6e9088f;p=gnome-shell.git

search: Use ClutterPanGesture for touchscreen scrolling

ClutterPanGesture replaced ClutterPanAction and uses Clutters new
gesture tracker, let's switch to the shiny new thing.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2853>
---

diff --git a/js/ui/search.js b/js/ui/search.js
index 44db1ac75..8ac92888a 100644
--- a/js/ui/search.js
+++ b/js/ui/search.js
@@ -582,9 +582,9 @@ export const SearchResultsView = GObject.registerClass({
             child: this._content,
         });
 
-        let action = new Clutter.PanAction({interpolate: true});
-        action.connect('pan', this._onPan.bind(this));
-        this._scrollView.add_action(action);
+        const panGesture = new Clutter.PanGesture();
+        panGesture.connect('pan-update', this._onPanUpdate.bind(this));
+        this._scrollView.add_action(panGesture);
 
         this.add_child(this._scrollView);
 
@@ -761,11 +761,11 @@ export const SearchResultsView = GObject.registerClass({
         this.emit('terms-changed');
     }
 
-    _onPan(action) {
-        let [dist_, dx_, dy] = action.get_motion_delta(0);
-        let adjustment = this._scrollView.vadjustment;
-        adjustment.value -= (dy / this.height) * adjustment.page_size;
-        return false;
+    _onPanUpdate(gesture) {
+        const adjustment = this._scrollView.vadjustment;
+        const delta = gesture.get_delta();
+
+        adjustment.value -= (delta.get_y() / this.height) * adjustment.page_size;
     }
 
     _focusChildChanged(provider) {