[gnome-games] collection-icon-view: Support right click and long press events

[Alexander Mikhaylenko <alexm src gnome org>]

commit 4c43820bac7f284f3522c6e71af224f24ef99fa7
Author: Neville <nevilleantony98 gmail com>
Date:   Tue Aug 25 19:19:56 2020 +0530

    collection-icon-view: Support right click and long press events

 src/ui/collection-icon-view.ui   | 65 +++++++++++++++++++++-------------------
 src/ui/collection-icon-view.vala | 26 ++++++++++++++++
 2 files changed, 61 insertions(+), 30 deletions(-)
---
diff --git a/src/ui/collection-icon-view.ui b/src/ui/collection-icon-view.ui
index a4db4917..9be30335 100644
--- a/src/ui/collection-icon-view.ui
+++ b/src/ui/collection-icon-view.ui
@@ -4,47 +4,52 @@
   <template class="GamesCollectionIconView" parent="GtkFlowBoxChild">
     <property name="visible">True</property>
       <child>
-        <object class="GtkBox">
+        <object class="GtkEventBox">
           <property name="visible">True</property>
-          <property name="orientation">vertical</property>
-          <property name="spacing">6</property>
           <child>
-            <object class="GtkOverlay">
+            <object class="GtkBox">
               <property name="visible">True</property>
+              <property name="orientation">vertical</property>
+              <property name="spacing">6</property>
               <child>
-                <object class="GamesCollectionThumbnail" id="thumbnail">
+                <object class="GtkOverlay">
                   <property name="visible">True</property>
-                </object>
-              </child>
-              <child type="overlay">
-                <object class="GtkRevealer">
-                  <property name="visible">True</property>
-                  <property name="transition-type">crossfade</property>
-                  <property name="reveal-child" bind-source="GamesCollectionIconView" 
bind-property="is_selection_mode"/>
                   <child>
-                    <object class="GtkCheckButton" id="checkbox">
+                    <object class="GamesCollectionThumbnail" id="thumbnail">
                       <property name="visible">True</property>
-                      <property name="halign">end</property>
-                      <property name="valign">end</property>
-                      <property name="active" bind-source="GamesCollectionIconView" bind-property="checked" 
bind-flags="bidirectional"/>
-                      <style>
-                        <class name="check"/>
-                      </style>
+                    </object>
+                  </child>
+                  <child type="overlay">
+                    <object class="GtkRevealer">
+                      <property name="visible">True</property>
+                      <property name="transition-type">crossfade</property>
+                      <property name="reveal-child" bind-source="GamesCollectionIconView" 
bind-property="is_selection_mode"/>
+                      <child>
+                        <object class="GtkCheckButton" id="checkbox">
+                          <property name="visible">True</property>
+                          <property name="halign">end</property>
+                          <property name="valign">end</property>
+                          <property name="active" bind-source="GamesCollectionIconView" 
bind-property="checked" bind-flags="bidirectional"/>
+                          <style>
+                            <class name="check"/>
+                          </style>
+                        </object>
+                      </child>
                     </object>
                   </child>
                 </object>
               </child>
-            </object>
-          </child>
-          <child>
-            <object class="GtkLabel" id="title">
-              <property name="visible">True</property>
-              <property name="ellipsize">middle</property>
-              <property name="justify">center</property>
-              <property name="lines">2</property>
-              <property name="max-width-chars">0</property>
-              <property name="wrap">True</property>
-              <property name="wrap-mode">word-char</property>
+              <child>
+                <object class="GtkLabel" id="title">
+                  <property name="visible">True</property>
+                  <property name="ellipsize">middle</property>
+                  <property name="justify">center</property>
+                  <property name="lines">2</property>
+                  <property name="max-width-chars">0</property>
+                  <property name="wrap">True</property>
+                  <property name="wrap-mode">word-char</property>
+                </object>
+              </child>
             </object>
           </child>
         </object>
diff --git a/src/ui/collection-icon-view.vala b/src/ui/collection-icon-view.vala
index 1722d8ba..47b4cca9 100644
--- a/src/ui/collection-icon-view.vala
+++ b/src/ui/collection-icon-view.vala
@@ -2,11 +2,16 @@
 
 [GtkTemplate (ui = "/org/gnome/Games/ui/collection-icon-view.ui")]
 private class Games.CollectionIconView : Gtk.FlowBoxChild {
+       public signal void secondary_click ();
+
        [GtkChild]
        private unowned Gtk.Label title;
        [GtkChild]
        private unowned CollectionThumbnail thumbnail;
 
+       private Gtk.GestureMultiPress multi_press_gesture;
+       private Gtk.GestureLongPress long_press_gesture;
+
        public bool checked { get; set; }
        public bool is_selection_mode { get; set; }
 
@@ -23,6 +28,27 @@ private class Games.CollectionIconView : Gtk.FlowBoxChild {
 
        construct {
                get_style_context ().add_class ("collection-icon-view");
+
+               add_events (Gdk.EventMask.TOUCH_MASK);
+
+               multi_press_gesture = new Gtk.GestureMultiPress (this);
+               multi_press_gesture.button = 3;
+               multi_press_gesture.pressed.connect (() => {
+                       var event = Gtk.get_current_event ();
+
+                       if (event.triggers_context_menu ()) {
+                               secondary_click ();
+                               multi_press_gesture.set_state (Gtk.EventSequenceState.CLAIMED);
+                       } else {
+                               multi_press_gesture.set_state (Gtk.EventSequenceState.DENIED);
+                       }
+               });
+
+               long_press_gesture = new Gtk.GestureLongPress (this);
+               long_press_gesture.pressed.connect (() => {
+                       secondary_click ();
+                       long_press_gesture.set_state (Gtk.EventSequenceState.CLAIMED);
+               });
        }
 
        public CollectionIconView (Collection collection) {