From 7a8cd409366d5f41006875b656400cffec8049a5 Mon Sep 17 00:00:00 2001
From: Charles Gagnon <charlesg99@outlook.com>
Date: Tue, 11 Feb 2020 13:32:16 -0500
Subject: [PATCH] Add showapps context menu to empty panel space

---
 appIcons.js | 12 ++++++++----
 panel.js    | 13 +++++++++++--
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/appIcons.js b/appIcons.js
index 2dda4d8..560a91c 100644
--- a/appIcons.js
+++ b/appIcons.js
@@ -1660,6 +1660,7 @@ var ShowAppsIconWrapper = Utils.defineClass({
     },
 
     _onMenuPoppedDown: function() {
+        this._menu.sourceActor = this.actor;
         this.actor.sync_hover();
         this.emit('menu-state-changed', false);
     },
@@ -1672,10 +1673,7 @@ var ShowAppsIconWrapper = Utils.defineClass({
         this.actor.set_style('padding:' + (padding + (isVertical ? sidePadding : 0)) + 'px ' + (padding + (isVertical ? 0 : sidePadding)) + 'px;');
     },
 
-    popupMenu: function() {
-        this._removeMenuTimeout();
-        this.actor.fake_release();
-        
+    createMenu: function() {
         if (!this._menu) {
             this._menu = new MyShowAppsIconMenu(this.actor);
             this._menu.connect('open-state-changed', Lang.bind(this, function(menu, isPoppedUp) {
@@ -1690,6 +1688,12 @@ var ShowAppsIconWrapper = Utils.defineClass({
             });
             this._menuManager.addMenu(this._menu);
         }
+    },
+
+    popupMenu: function() {
+        this._removeMenuTimeout();
+        this.actor.fake_release();
+        this.createMenu(this.actor);
 
         //this.emit('menu-state-changed', true);
 
diff --git a/panel.js b/panel.js
index cb5bc1f..0a451df 100644
--- a/panel.js
+++ b/panel.js
@@ -796,14 +796,23 @@ var dtpPanel = Utils.defineClass({
         let type = event.type();
         let isPress = type == Clutter.EventType.BUTTON_PRESS;
         let button = isPress ? event.get_button() : -1;
+        let [stageX, stageY] = event.get_coords();
 
-        if (Main.modalCount > 0 || event.get_source() != actor || 
+        if (button == 3 && global.stage.get_actor_at_pos(Clutter.PickMode.REACTIVE, stageX, stageY) == this.panel.actor) {
+            //right click on an empty part of the panel, temporarily borrow and display the showapps context menu
+            Main.layoutManager.setDummyCursorGeometry(stageX, stageY, 0, 0);
+
+            this.taskbar._showAppsIconWrapper.createMenu();
+            this.taskbar._showAppsIconWrapper._menu.sourceActor = Main.layoutManager.dummyCursor;
+            this.taskbar._showAppsIconWrapper.popupMenu();
+
+            return Clutter.EVENT_STOP;
+        } else if (Main.modalCount > 0 || event.get_source() != actor || 
             (!isPress && type != Clutter.EventType.TOUCH_BEGIN) ||
             (isPress && button != 1)) {
             return Clutter.EVENT_PROPAGATE;
         }
 
-        let [stageX, stageY] = event.get_coords();
         let params = checkIfVertical() ? [stageY, 'y', 'height'] : [stageX, 'x', 'width'];
         let dragWindow = this._getDraggableWindowForPosition.apply(this, params.concat(['maximized_' + getOrientation() + 'ly']));