Add "checked" property for toolbar tool elements in XRC.

Allow toolbar tools to be created in checked (or toggled) state in XRC, just
as the menu items can already be created checked.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69487 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -487,6 +487,7 @@ All (GUI):
 - Allow converting to and from wxGraphicsBitmap and wxImage directly.
 - Allow wxGraphicsFont creation without passing by wxFont.
 - Added wxDataViewCustomRenderer::ActivateCell().
+- Add "checked" property for toolbar tool elements in XRC.
 
 OSX:
 

docs/doxygen/overviews/xrc_format.h

@@ -1654,6 +1654,8 @@ properties:
     Help text shown in statusbar when the mouse is on the tool (default: none).}
 @row3col{disabled, @ref overview_xrcformat_type_bool,
      Is the tool initially disabled (default: 0)?}
+@row3col{checked, @ref overview_xrcformat_type_bool,
+     Is the tool initially checked (default: 0)? (only available since wxWidgets 2.9.3)}
 @endTable
 
 The presence of a @c dropdown property indicates that the tool is of type

src/xrc/xh_toolb.cpp

@@ -78,6 +78,7 @@ wxObject *wxToolBarXmlHandler::DoCreateResource()
 
             kind = wxITEM_CHECK;
         }
+
 #if wxUSE_MENUS
         // check whether we have dropdown tag inside
         wxMenu *menu = NULL; // menu for drop down items
@@ -137,6 +138,23 @@ wxObject *wxToolBarXmlHandler::DoCreateResource()
 
         if ( GetBool(wxT("disabled")) )
             m_toolbar->EnableTool(GetID(), false);
+
+        if ( GetBool(wxS("checked")) )
+        {
+            if ( kind == wxITEM_NORMAL )
+            {
+                ReportParamError
+                (
+                    "checked",
+                    "only <radio> nor <toggle> tools can be checked"
+                );
+            }
+            else
+            {
+                m_toolbar->ToggleTool(GetID(), true);
+            }
+        }
+
 #if wxUSE_MENUS
         if ( menu )
             tool->SetDropdownMenu(menu);