keyboard: Make OSK follow gesture progress

With all other gestures offering live feedback of progress, seems
to make sense to update the "swipe from bottom edge to show OSK"
gesture as well.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1668>

diff --git a/js/ui/keyboard.js b/js/ui/keyboard.js
index ae3cdd35c264c54f5769396c0a2f959647bad3f1..50a1cd7f445b4a627b1991adf8595863cf053b95 100644 (file)
--- a/js/ui/keyboard.js
+++ b/js/ui/keyboard.js
@@ -1148,7 +1148,10 @@ var KeyboardManager = class KeyBoardManager {
         const mode = Shell.ActionMode.ALL & ~Shell.ActionMode.LOCK_SCREEN;
         const bottomDragAction = new EdgeDragAction.EdgeDragAction(St.Side.BOTTOM, mode);
         bottomDragAction.connect('activated', () => {
-            this.open(Main.layoutManager.bottomIndex);
+            this._keyboard.gestureActivate(Main.layoutManager.bottomIndex);
+        });
+        bottomDragAction.connect('progress', (_action, progress) => {
+            this._keyboard.gestureProgress(progress);
         });
         global.stage.add_action(bottomDragAction);
         this._bottomDragAction = bottomDragAction;
@@ -1725,7 +1728,7 @@ var Keyboard = GObject.registerClass({
         this._keyboardRestingId = 0;
     }
 
-    open() {
+    open(immediate = false) {
         this._clearShowIdle();
         this._keyboardRequested = true;
 
@@ -1734,6 +1737,11 @@ var Keyboard = GObject.registerClass({
             return;
         }
 
+        if (immediate) {
+            this._open();
+            return;
+        }
+
         this._clearKeyboardRestTimer();
         this._keyboardRestingId = GLib.timeout_add(GLib.PRIORITY_DEFAULT,
             KEYBOARD_REST_TIME,
@@ -1835,6 +1843,21 @@ var Keyboard = GObject.registerClass({
         Main.layoutManager.keyboardBox.hide();
     }
 
+    gestureProgress(delta) {
+        Main.layoutManager.keyboardBox.show();
+        let progress = Math.min(delta, this.height) / this.height;
+        this.translation_y = -this.height * progress;
+        this.opacity = 255 * progress;
+        if (this._focusWindow) {
+            const windowActor = this._focusWindow.get_compositor_private();
+            windowActor.translation_y = -this.height * progress;
+        }
+    }
+
+    gestureActivate() {
+        this.open(true);
+    }
+
     resetSuggestions() {
         if (this._suggestions)
             this._suggestions.clear();