[sound-juicer] Add "{Un,}Select All" button

[Christophe Fergeau <teuf src gnome org>]

commit 42118ab6f7ec5abf336a3eda8a1640a651bc7658
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Sun Aug 12 18:13:48 2012 +0200

    Add "{Un,}Select All" button
    
    The Unselect all/Select all menu entries have been removed as part
    of the addition of the app menu an were only accessible through a
    keyboard shortcut. After a discussion with the design team, readd
    a button to provide this functionality.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=675245

 data/sound-juicer.ui |   15 +++++++++++++++
 src/sj-main.c        |   33 ++++++++++++++++++++++++++++++++-
 2 files changed, 47 insertions(+), 1 deletions(-)
---
diff --git a/data/sound-juicer.ui b/data/sound-juicer.ui
index 1ff2dff..a074931 100644
--- a/data/sound-juicer.ui
+++ b/data/sound-juicer.ui
@@ -366,6 +366,21 @@ audio-volume-medium</property>
                     <property name="position">2</property>
                   </packing>
                 </child>
+                <child>
+                  <object class="GtkButton" id="select_button">
+                    <property name="label">placeholder</property>
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="can_default">True</property>
+                    <property name="receives_default">False</property>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">False</property>
+                    <property name="pack_type">end</property>
+                    <property name="position">3</property>
+                  </packing>
+                </child>
               </object>
               <packing>
                 <property name="expand">False</property>
diff --git a/src/sj-main.c b/src/sj-main.c
index b4625e9..8532dca 100644
--- a/src/sj-main.c
+++ b/src/sj-main.c
@@ -75,7 +75,7 @@ GConfClient *gconf_client;
 GtkWidget *main_window;
 static GtkWidget *message_area_eventbox;
 static GtkWidget *title_entry, *artist_entry, *duration_label, *genre_entry, *year_entry, *disc_number_entry;
-static GtkWidget *track_listview, *extract_button, *play_button;
+static GtkWidget *track_listview, *extract_button, *play_button, *select_button;
 static GtkWidget *status_bar;
 GtkListStore *track_store;
 GtkCellRenderer *toggle_renderer, *title_renderer, *artist_renderer;
@@ -266,6 +266,9 @@ static void on_select_all_activate (GSimpleAction *action, GVariant *parameter,
   set_action_enabled ("select-all", FALSE);
   set_action_enabled ("deselect-all", TRUE);
 
+  gtk_actionable_set_action_name(GTK_ACTIONABLE(select_button), "win.deselect-all");
+  gtk_button_set_label(GTK_BUTTON(select_button), _("Select None"));
+
   no_of_tracks_selected = total_no_of_tracks;
 }
 
@@ -277,6 +280,9 @@ static void on_deselect_all_activate (GSimpleAction *action, GVariant *parameter
   set_action_enabled ("deselect-all", FALSE);
   set_action_enabled ("select-all", TRUE);
 
+  gtk_actionable_set_action_name(GTK_ACTIONABLE(select_button), "win.select-all");
+  gtk_button_set_label(GTK_BUTTON(select_button), _("Select All"));
+
   no_of_tracks_selected = 0;
 }
 
@@ -1718,11 +1724,14 @@ startup_cb (GApplication *app, gpointer user_data)
   track_listview        = GET_WIDGET ("track_listview");
   extract_button        = GET_WIDGET ("extract_button");
   play_button           = GET_WIDGET ("play_button");
+  select_button         = GET_WIDGET ("select_button");
   status_bar            = GET_WIDGET ("status_bar");
 
   g_action_map_add_action_entries (G_ACTION_MAP (main_window),
                                    win_entries, G_N_ELEMENTS (win_entries),
                                    NULL);
+  gtk_button_set_label(GTK_BUTTON(select_button), _("Select None"));
+  gtk_actionable_set_action_name(GTK_ACTIONABLE(select_button), "win.deselect-all");
   gtk_actionable_set_action_name(GTK_ACTIONABLE(play_button), "win.play");
 
   /* window actions are only available via shortcuts */
@@ -1759,6 +1768,28 @@ startup_cb (GApplication *app, gpointer user_data)
     g_object_unref (G_OBJECT (size_group));
   }
 
+  { /* ensure that the select/unselect button's size is constant */
+    GtkWidget *fake_button1, *fake_button2;
+    GtkSizeGroup *size_group;
+
+    size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
+
+    fake_button1 = gtk_button_new_with_label (_("Select All"));
+    gtk_size_group_add_widget (size_group, fake_button1);
+    g_signal_connect_swapped (select_button, "destroy",
+                              G_CALLBACK (gtk_widget_destroy),
+                              fake_button1);
+
+    fake_button2 = gtk_button_new_with_label (_("Select None"));
+    gtk_size_group_add_widget (size_group, fake_button2);
+    g_signal_connect_swapped (select_button, "destroy",
+                              G_CALLBACK (gtk_widget_destroy),
+                              fake_button2);
+
+    gtk_size_group_add_widget (size_group, select_button);
+    g_object_unref (G_OBJECT (size_group));
+  }
+
   setup_genre_entry (genre_entry);
 
   track_store = gtk_list_store_new (COLUMN_TOTAL, G_TYPE_INT, G_TYPE_BOOLEAN, G_TYPE_INT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INT, G_TYPE_POINTER);