[glom] Print Layout: Add Select All and Unselect All menu items.

[Murray Cumming <murrayc src gnome org>]

commit 4f9c8d2f76adee3b65478e055784c56bd1ac273b
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Aug 8 20:51:02 2011 +0200

    Print Layout: Add Select All and Unselect All menu items.
    
    * glom/print_layout/canvas_print_layout.[h|cc]: Added select_all(bool)
    * glom/mode_design/print_layouts/window_print_layout_edit.[h|cc]:
    init_menus(): Edit menu: Add Select All and Unselect All menu items,
    which call that method.

 ChangeLog                                          |    9 ++++++++
 .../print_layouts/window_print_layout_edit.cc      |   20 ++++++++++++++++++
 .../print_layouts/window_print_layout_edit.h       |    2 +
 glom/print_layout/canvas_print_layout.cc           |   22 ++++++++++++++++++++
 glom/print_layout/canvas_print_layout.h            |    5 ++++
 5 files changed, 58 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index e77a788..9eb113b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
 2011-08-08  Murray Cumming  <murrayc murrayc com>
 
+	Print Layout: Add Select All and Unselect All menu items.
+
+	* glom/print_layout/canvas_print_layout.[h|cc]: Added select_all(bool)
+	* glom/mode_design/print_layouts/window_print_layout_edit.[h|cc]:
+	init_menus(): Edit menu: Add Select All and Unselect All menu items,
+	which call that method.
+
+2011-08-08  Murray Cumming  <murrayc murrayc com>
+
 	Print Layout: Add a Show Outlines menu item
 
 	* glom/mode_design/print_layouts/window_print_layout_edit.[h|cc]
diff --git a/glom/mode_design/print_layouts/window_print_layout_edit.cc b/glom/mode_design/print_layouts/window_print_layout_edit.cc
index 195dd67..e403423 100644
--- a/glom/mode_design/print_layouts/window_print_layout_edit.cc
+++ b/glom/mode_design/print_layouts/window_print_layout_edit.cc
@@ -181,6 +181,13 @@ void Window_PrintLayout_Edit::init_menu()
   m_action_group->add(m_action_edit_delete,
     sigc::mem_fun(*this, &Window_PrintLayout_Edit::on_menu_edit_delete) );
 
+  m_action_group->add(
+    Gtk::Action::create("Action_Menu_Edit_SelectAll", Gtk::Stock::SELECT_ALL),
+    sigc::mem_fun(*this, &Window_PrintLayout_Edit::on_menu_edit_selectall) );
+  m_action_group->add(
+    Gtk::Action::create("Action_Menu_Edit_UnselectAll", _("Unselect All")), //TODO: Propose a new stock item for GTK+.
+    sigc::mem_fun(*this, &Window_PrintLayout_Edit::on_menu_edit_unselectall) );
+
   m_action_group->add(Gtk::Action::create("Menu_Insert", _("_Insert")));
   m_action_group->add(Gtk::Action::create("Action_Menu_Insert_Field", _("Insert _Field")),
                         sigc::mem_fun(*this, &Window_PrintLayout_Edit::on_menu_insert_field) );
@@ -237,6 +244,9 @@ void Window_PrintLayout_Edit::init_menu()
     "        <menuitem action='Action_Menu_Edit_Copy' />"
     "        <menuitem action='Action_Menu_Edit_Paste' />"
     "        <menuitem action='Action_Menu_Edit_Delete' />"
+    "        <separator />"
+    "        <menuitem action='Action_Menu_Edit_SelectAll' />"
+    "        <menuitem action='Action_Menu_Edit_UnselectAll' />"
     "      </menu>"
     "      <menu action='Menu_Insert'>"
     "        <menuitem action='Action_Menu_Insert_Field' />"
@@ -981,6 +991,16 @@ void Window_PrintLayout_Edit::on_menu_edit_delete()
   m_layout_items_selected.clear();
 }
 
+void Window_PrintLayout_Edit::on_menu_edit_selectall()
+{
+  m_canvas.select_all();
+}
+
+void Window_PrintLayout_Edit::on_menu_edit_unselectall()
+{
+  m_canvas.select_all(false);
+}
+
 static void spinbutton_set_max(Gtk::SpinButton& spinbutton, double max)
 {
   spinbutton.set_range(0, max);
diff --git a/glom/mode_design/print_layouts/window_print_layout_edit.h b/glom/mode_design/print_layouts/window_print_layout_edit.h
index 895a786..717b7e1 100644
--- a/glom/mode_design/print_layouts/window_print_layout_edit.h
+++ b/glom/mode_design/print_layouts/window_print_layout_edit.h
@@ -79,6 +79,8 @@ private:
   void on_menu_edit_copy();
   void on_menu_edit_paste();
   void on_menu_edit_delete();
+  void on_menu_edit_selectall();
+  void on_menu_edit_unselectall();
 
 
   void on_canvas_show_context_menu(guint button, guint32 activate_time);
diff --git a/glom/print_layout/canvas_print_layout.cc b/glom/print_layout/canvas_print_layout.cc
index c12bcc5..f702f2e 100644
--- a/glom/print_layout/canvas_print_layout.cc
+++ b/glom/print_layout/canvas_print_layout.cc
@@ -908,4 +908,26 @@ void Canvas_PrintLayout::set_outlines_visibility(bool visible)
   }
 }
 
+void Canvas_PrintLayout::select_all(bool selected)
+{
+  Glib::RefPtr<Goocanvas::Item> root = m_items_group;
+  if(!root)
+    return;
+
+  const int count = root->get_n_children();
+  for(int i = 0; i < count; ++i)
+  {
+    Glib::RefPtr<Goocanvas::Item> child = root->get_child(i);
+    Glib::RefPtr<CanvasLayoutItem> derived =
+      Glib::RefPtr<CanvasLayoutItem>::cast_dynamic(child);
+    if(!derived)
+      continue;
+
+    derived->set_selected(selected);
+  }
+
+  signal_selection_changed().emit();
+}
+
+
 } //namespace Glom
diff --git a/glom/print_layout/canvas_print_layout.h b/glom/print_layout/canvas_print_layout.h
index 6723b60..3a86790 100644
--- a/glom/print_layout/canvas_print_layout.h
+++ b/glom/print_layout/canvas_print_layout.h
@@ -70,6 +70,11 @@ public:
   /** Get any items that have get_selected()==true.
    */
   virtual type_vec_items get_selected_items();
+
+  /** Set all items as selected or unselected. 
+   * @param selected Use false to unselect all.
+   */
+  void select_all(bool selected = true);
   
 private: