MultitaskingView: Use touchscreen backend

Author: leolost2605

src/Widgets/MultitaskingView/MultitaskingView.vala

@@ -20,13 +20,16 @@
  * preparing the wm, opening the components and holds containers for
  * the icon groups, the WorkspaceClones and the MonitorClones.
  */
-public class Gala.MultitaskingView : ActorTarget, RootTarget, ActivatableComponent {
+public class Gala.MultitaskingView : ActorTarget, RootTarget, TouchscreenTarget, ActivatableComponent {
     public const int ANIMATION_DURATION = 250;
 
     private GestureController workspaces_gesture_controller;
     private GestureController multitasking_gesture_controller;
 
     public Clutter.Actor? actor { get { return this; } }
+    public float travel_distance {
+        get { return display.get_monitor_geometry (display.get_primary_monitor ()).height / 2; }
+    }
     public WindowManagerGala wm { get; construct; }
 
     private Meta.Display display;
@@ -38,7 +41,7 @@ public class Gala.MultitaskingView : ActorTarget, RootTarget, ActivatableCompone
 #if OLD_ICON_GROUPS
     private IconGroupContainer icon_groups;
 #endif
-    private ActorTarget workspaces;
+    private WorkspaceRow workspaces;
     private Clutter.Actor primary_monitor_container;
     private Clutter.BrightnessContrastEffect brightness_effect;
     private BackgroundManager? blurred_bg = null;
@@ -63,6 +66,7 @@ public class Gala.MultitaskingView : ActorTarget, RootTarget, ActivatableCompone
 
         multitasking_gesture_controller = new GestureController (MULTITASKING_VIEW, wm, MULTITASKING_VIEW);
         multitasking_gesture_controller.enable_touchpad (wm.stage);
+        multitasking_gesture_controller.enable_touchscreen (wm.stage, this);
         add_gesture_controller (multitasking_gesture_controller);
 
         add_target (ShellClientsManager.get_instance ()); // For hiding the panels
@@ -74,6 +78,7 @@ public class Gala.MultitaskingView : ActorTarget, RootTarget, ActivatableCompone
             follow_natural_scroll = true,
         };
         workspaces_gesture_controller.enable_touchpad (wm.stage);
+        workspaces_gesture_controller.enable_touchscreen (wm.stage, workspaces);
         workspaces_gesture_controller.enable_scroll (this, HORIZONTAL);
         add_gesture_controller (workspaces_gesture_controller);
 

src/Widgets/MultitaskingView/WorkspaceRow.vala

@@ -5,9 +5,10 @@
  * Authored by: Leonhard Kargl <[email protected]>
  */
 
-public class Gala.WorkspaceRow : ActorTarget {
+public class Gala.WorkspaceRow : ActorTarget, TouchscreenTarget {
     public const int WORKSPACE_GAP = 24;
 
+    public float travel_distance { get { return (!) (get_first_child ()?.get_width () ?? 0); } }
     public Meta.Display display { get; construct; }
 
     public WorkspaceRow (Meta.Display display) {