[gnome-characters/bilelmoussaoui/gtk4] characters view: add a gesture click controller

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit dfc773629c2ba00f7bcd9ea1ca2fdc5a17198f5a
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Mon Nov 22 11:19:46 2021 +0100

    characters view: add a gesture click controller
    
    to replace the key_press_event vfuncs

 src/charactersView.js | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)
---
diff --git a/src/charactersView.js b/src/charactersView.js
index 54b859b..379cc5d 100644
--- a/src/charactersView.js
+++ b/src/charactersView.js
@@ -204,6 +204,11 @@ const CharacterListWidget = GObject.registerClass({
                              Gdk.DragAction.COPY);
         this.drag_source_add_text_targets();
         */
+        const gestureClick = new Gtk.GestureClick();
+        gestureClick.connect('pressed', this.onButtonPress.bind(this));
+        gestureClick.connect('released', this.onButtonRelease.bind(this));
+        this.add_controller(gestureClick);
+
         this._character = null;
     }
     /*
@@ -225,12 +230,12 @@ const CharacterListWidget = GObject.registerClass({
         if (this._character !== null)
             data.set_text(this._character, -1);
     }
+    */
 
-    vfunc_button_press_event(event) {
-        let allocation = this.get_allocation();
+    onButtonPress(nPress, x, y) {
         let cellSize = getCellSize(this._fontDescription);
-        let x = Math.floor(event.x / cellSize);
-        let y = Math.floor(event.y / cellSize);
+        x = Math.floor(x / cellSize);
+        y = Math.floor(y / cellSize);
         let index = y * this._cellsPerRow + x;
         if (index < this._characters.length)
             this._character = this._characters[index];
@@ -239,12 +244,12 @@ const CharacterListWidget = GObject.registerClass({
         return false;
     }
 
-    vfunc_button_release_event(event) {
+    onButtonRelease() {
         if (this._character)
             this.emit('character-selected', this._character);
+        log(this._character);
         return false;
     }
-    */
 
     vfunc_measure(orientation, _forSize) {
         if (orientation === Gtk.Orientation.HORIZONTAL) {