[gnome-todo] task-list-item: switch to selection mode on right click

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 109cf385e45c005fdad3936bf761f7434ae2e332
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Aug 26 17:31:35 2015 -0300

    task-list-item: switch to selection mode on right click
    
    Following GNOME pattern, switch to selection mode when the
    user right clicks a task list.

 data/ui/task-list-item.ui |  131 ++++++++++++++++++++++++---------------------
 src/gtd-task-list-item.c  |   24 ++++++++
 2 files changed, 93 insertions(+), 62 deletions(-)
---
diff --git a/data/ui/task-list-item.ui b/data/ui/task-list-item.ui
index d700551..d471701 100644
--- a/data/ui/task-list-item.ui
+++ b/data/ui/task-list-item.ui
@@ -12,83 +12,90 @@
       <class name="content-view" />
     </style>
     <child>
-      <object class="GtkBox" id="box">
+      <object class="GtkEventBox">
         <property name="visible">True</property>
         <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
+        <signal name="button-press-event" handler="gtd_task_list_item__button_press_event_cb" 
object="GtdTaskListItem" swapped="no" />
         <child>
-          <object class="GtkOverlay" id="overlay">
-            <property name="width_request">176</property>
-            <property name="height_request">176</property>
+          <object class="GtkBox" id="box">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
-            <property name="hexpand">True</property>
-            <property name="vexpand">True</property>
+            <property name="orientation">vertical</property>
             <child>
-              <object class="GtkImage" id="icon_image">
+              <object class="GtkOverlay" id="overlay">
+                <property name="width_request">176</property>
+                <property name="height_request">176</property>
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
-                <property name="width_request">192</property>
-                <property name="height_request">192</property>
-                <property name="pixel_size">64</property>
-                <property name="icon_name">folder-documents-symbolic</property>
-              </object>
-            </child>
-            <child type="overlay">
-              <object class="GtkBox" id="overlay_box">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="halign">end</property>
-                <property name="valign">end</property>
+                <property name="hexpand">True</property>
+                <property name="vexpand">True</property>
                 <child>
-                  <object class="GtkSpinner" id="spinner">
-                    <property name="width_request">32</property>
-                    <property name="height_request">32</property>
+                  <object class="GtkImage" id="icon_image">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="width_request">192</property>
+                    <property name="height_request">192</property>
+                    <property name="pixel_size">64</property>
+                    <property name="icon_name">folder-documents-symbolic</property>
+                  </object>
+                </child>
+                <child type="overlay">
+                  <object class="GtkBox" id="overlay_box">
+                    <property name="visible">True</property>
                     <property name="can_focus">False</property>
+                    <property name="halign">end</property>
+                    <property name="valign">end</property>
+                    <child>
+                      <object class="GtkSpinner" id="spinner">
+                        <property name="width_request">32</property>
+                        <property name="height_request">32</property>
+                        <property name="can_focus">False</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
                   </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">True</property>
-                    <property name="position">0</property>
-                  </packing>
                 </child>
+                <style>
+                  <class name="content-view"/>
+                </style>
               </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="title_label">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="subtitle_label">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="ellipsize">middle</property>
+                <style>
+                  <class name="dim-label" />
+                </style>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">2</property>
+              </packing>
             </child>
-            <style>
-              <class name="content-view"/>
-            </style>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkLabel" id="title_label">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkLabel" id="subtitle_label">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="ellipsize">middle</property>
-            <style>
-              <class name="dim-label" />
-            </style>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">2</property>
-          </packing>
         </child>
       </object>
     </child>
diff --git a/src/gtd-task-list-item.c b/src/gtd-task-list-item.c
index 23c1aef..1f649b7 100644
--- a/src/gtd-task-list-item.c
+++ b/src/gtd-task-list-item.c
@@ -325,6 +325,28 @@ gtd_task_list_item_new (GtdTaskList *list)
                        NULL);
 }
 
+static gboolean
+gtd_task_list_item__button_press_event_cb (GtkWidget *widget,
+                                           GdkEvent  *event,
+                                           gpointer   user_data)
+{
+  GdkEventButton *button_ev;
+
+  button_ev = (GdkEventButton*) event;
+
+  if (button_ev->button == 3)
+    {
+      g_object_set (user_data,
+                    "mode", GTD_WINDOW_MODE_SELECTION,
+                    "selected", TRUE,
+                    NULL);
+
+      return GDK_EVENT_STOP;
+    }
+
+  return GDK_EVENT_PROPAGATE;
+}
+
 static void
 gtd_task_list_item_state_flags_changed (GtkWidget     *item,
                                          GtkStateFlags  flags)
@@ -504,6 +526,8 @@ gtd_task_list_item_class_init (GtdTaskListItemClass *klass)
   gtk_widget_class_bind_template_child_private (widget_class, GtdTaskListItem, spinner);
   gtk_widget_class_bind_template_child_private (widget_class, GtdTaskListItem, subtitle_label);
   gtk_widget_class_bind_template_child_private (widget_class, GtdTaskListItem, title_label);
+
+  gtk_widget_class_bind_template_callback (widget_class, gtd_task_list_item__button_press_event_cb);
 }
 
 static void