[geary/wip/743960-split-header-3: 7/9] Move empty menu and titles to left header, ensure app menu on right

[Robert Schroll <rschroll src gnome org>]

commit cb23e090d31e862a26efe5409abe0a705cb3e372
Author: Robert Schroll <rschroll gmail com>
Date:   Sat Feb 21 23:11:10 2015 -0500

    Move empty menu and titles to left header, ensure app menu on right
    
    This requires the composer header bar having an app menu button that we
    can turn on as needed.

 src/client/components/main-toolbar.vala     |   39 ++++++++++++++++-----------
 src/client/composer/composer-headerbar.vala |   18 +++++++++++-
 2 files changed, 40 insertions(+), 17 deletions(-)
---
diff --git a/src/client/components/main-toolbar.vala b/src/client/components/main-toolbar.vala
index 5b7e812..e3a7b1e 100644
--- a/src/client/components/main-toolbar.vala
+++ b/src/client/components/main-toolbar.vala
@@ -33,8 +33,8 @@ public class MainToolbar : Gtk.Box {
         GearyApplication.instance.config.bind(Configuration.MESSAGES_PANE_POSITION_KEY,
             folder_header, "width-request", SettingsBindFlags.GET);
         
-        this.bind_property("account", conversation_header, "title", BindingFlags.SYNC_CREATE);
-        this.bind_property("folder", conversation_header, "subtitle", BindingFlags.SYNC_CREATE);
+        this.bind_property("account", folder_header, "title", BindingFlags.SYNC_CREATE);
+        this.bind_property("folder", folder_header, "subtitle", BindingFlags.SYNC_CREATE);
         this.bind_property("show-close-button-left", folder_header, "show-close-button",
             BindingFlags.SYNC_CREATE);
         this.bind_property("show-close-button-right", conversation_header, "show-close-button",
@@ -60,14 +60,31 @@ public class MainToolbar : Gtk.Box {
             GearyController.ACTION_NEW_MESSAGE));
         folder_header.add_start(folder_header.create_pill_buttons(insert, false));
         
+        // Assemble the empty menu
+        GearyApplication.instance.load_ui_file("toolbar_empty_menu.ui");
+        Gtk.Menu empty_menu = (Gtk.Menu) 
GearyApplication.instance.ui_manager.get_widget("/ui/ToolbarEmptyMenu");
+        empty_menu.foreach(GtkUtil.show_menuitem_accel_labels);
+        insert.clear();
+        insert.add(folder_header.create_menu_button(null, empty_menu,
+            GearyController.ACTION_EMPTY_MENU));
+        Gtk.Box empty = folder_header.create_pill_buttons(insert, false);
+        
         // Search
         insert.clear();
-        Gtk.Button search = folder_header.create_toggle_button(
+        Gtk.Button search_button = folder_header.create_toggle_button(
             "preferences-system-search-symbolic", GearyController.ACTION_TOGGLE_SEARCH);
-        this.bind_property("search-open", search, "active",
+        this.bind_property("search-open", search_button, "active",
             BindingFlags.SYNC_CREATE | BindingFlags.BIDIRECTIONAL);
-        insert.add(search);
-        folder_header.add_end(folder_header.create_pill_buttons(insert, false));
+        insert.add(search_button);
+        Gtk.Box search = folder_header.create_pill_buttons(insert, false);
+        
+#if !GTK_3_12
+        folder_header.add_end(empty);
+        folder_header.add_end(search);
+#else
+        folder_header.add_end(search);
+        folder_header.add_end(empty);
+#endif
         
         // Reply buttons
         insert.clear();
@@ -79,11 +96,6 @@ public class MainToolbar : Gtk.Box {
             : "mail-forward-symbolic", GearyController.ACTION_FORWARD_MESSAGE));
         conversation_header.add_start(conversation_header.create_pill_buttons(insert));
         
-        // Assemble the empty menu
-        GearyApplication.instance.load_ui_file("toolbar_empty_menu.ui");
-        Gtk.Menu empty_menu = (Gtk.Menu) 
GearyApplication.instance.ui_manager.get_widget("/ui/ToolbarEmptyMenu");
-        empty_menu.foreach(GtkUtil.show_menuitem_accel_labels);
-        
         // Mark, copy, move.
         insert.clear();
         insert.add(conversation_header.create_menu_button("marker-symbolic", mark_menu,
@@ -92,8 +104,6 @@ public class MainToolbar : Gtk.Box {
             copy_folder_menu, GearyController.ACTION_COPY_MENU));
         insert.add(conversation_header.create_menu_button("folder-symbolic", move_folder_menu,
             GearyController.ACTION_MOVE_MENU));
-        insert.add(conversation_header.create_menu_button(null, empty_menu,
-            GearyController.ACTION_EMPTY_MENU));
         conversation_header.add_start(conversation_header.create_pill_buttons(insert));
         
         insert.clear();
@@ -111,7 +121,6 @@ public class MainToolbar : Gtk.Box {
         conversation_header.add_end(archive_trash_delete);
         conversation_header.add_end(undo);
 #endif
-        
         // Application button.  If we exported an app menu, we don't need this.
         if (!Gtk.Settings.get_default().gtk_shell_shows_app_menu) {
             insert.clear();
@@ -119,8 +128,6 @@ public class MainToolbar : Gtk.Box {
                 application_menu, GearyController.ACTION_GEAR_MENU));
             conversation_header.add_end(conversation_header.create_pill_buttons(insert));
         }
-        
-        // pack_end() ordering is reversed in GtkHeaderBar in 3.12 and above
 #if GTK_3_12
         conversation_header.add_end(undo);
         conversation_header.add_end(archive_trash_delete);
diff --git a/src/client/composer/composer-headerbar.vala b/src/client/composer/composer-headerbar.vala
index e083c70..5e1a145 100644
--- a/src/client/composer/composer-headerbar.vala
+++ b/src/client/composer/composer-headerbar.vala
@@ -86,9 +86,25 @@ public class ComposerHeaderbar : PillHeaderbar {
 #if !GTK_3_12
         add_end(send_button);
         add_end(close_buttons);
-#endif
         add_end(detach_end);
+#endif
+        // Application button for when taking over main header bar.  If we exported an app menu,
+        // we don't need this.
+        if (!Gtk.Settings.get_default().gtk_shell_shows_app_menu) {
+            Gtk.Menu application_menu = (Gtk.Menu) GearyApplication.instance.ui_manager.get_widget(
+                "/ui/ToolbarMenu");
+            application_menu.foreach(GtkUtil.show_menuitem_accel_labels);
+            Gtk.Button menu_button = create_menu_button("emblem-system-symbolic", application_menu,
+                GearyController.ACTION_GEAR_MENU);
+            add_end(menu_button);
+            bind_property("state", menu_button, "visible", BindingFlags.SYNC_CREATE,
+                (binding, source_value, ref target_value) => {
+                    target_value = (state == ComposerWidget.ComposerState.NEW);
+                    return true;
+                });
+        }
 #if GTK_3_12
+        add_end(detach_end);
         add_end(close_buttons);
         add_end(send_button);
 #endif