Added functions for handling hotkeys, interface for adding TOOL_ACTIONs to CONTEXT_MENU.

Less objects are allocated dynamically.
CONTEXT_MENU is being run using its copy (it saves a hassle of following the lifetime of object).

common/tool/context_menu.cpp

@@ -22,62 +22,45 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-#include <wx/wx.h>
-#include <wx/menu.h>
-
 #include <tool/tool_event.h>
 #include <tool/tool_manager.h>
 #include <tool/tool_interactive.h>
-
 #include <tool/context_menu.h>
+#include <cassert>
 
-class CONTEXT_MENU::CMEventHandler : public wxEvtHandler
+CONTEXT_MENU::CONTEXT_MENU() :
+    m_titleSet( false ), m_handler( this ), m_tool( NULL )
 {
-public:
-	CMEventHandler( CONTEXT_MENU* aMenu ):
-		m_menu( aMenu ) {};
-
-	void onEvent( wxEvent& aEvent )
-	{
-		TOOL_EVENT evt;
-		wxEventType type = aEvent.GetEventType();
-
-		if( type == wxEVT_MENU_HIGHLIGHT )
-			evt = TOOL_EVENT( TC_Command, TA_ContextMenuUpdate, aEvent.GetId() );
-		else if( type == wxEVT_COMMAND_MENU_SELECTED )
-			evt = TOOL_EVENT( TC_Command, TA_ContextMenuChoice, aEvent.GetId() );
+	m_menu.Connect( wxEVT_MENU_HIGHLIGHT, wxEventHandler( CMEventHandler::onEvent ),
+	                 NULL, &m_handler );
+	m_menu.Connect( wxEVT_COMMAND_MENU_SELECTED, wxEventHandler( CMEventHandler::onEvent ),
+	                 NULL, &m_handler );
 
-		if( m_menu->m_tool )
-			m_menu->m_tool->GetManager()->ProcessEvent( evt );
-	}
-
-private:
-	CONTEXT_MENU* m_menu;
-};
+	// Workaround for the case when mouse cursor never reaches menu (it hangs up tools using menu)
+	wxMenuEvent menuEvent( wxEVT_MENU_HIGHLIGHT, 0, &m_menu );
+	m_menu.AddPendingEvent( menuEvent );
+}
 
 
-CONTEXT_MENU::CONTEXT_MENU()
+CONTEXT_MENU::CONTEXT_MENU( const CONTEXT_MENU& aMenu ) :
+    m_titleSet( aMenu.m_titleSet ), m_handler( this ), m_tool( aMenu.m_tool )
 {
-	m_tool = NULL;
-	m_menu = new wxMenu();
-	m_handler = new CMEventHandler( this );
-	m_menu->Connect( wxEVT_MENU_HIGHLIGHT, wxEventHandler( CMEventHandler::onEvent ),
-	                 NULL, m_handler );
-	m_menu->Connect( wxEVT_COMMAND_MENU_SELECTED, wxEventHandler( CMEventHandler::onEvent ),
-	                 NULL, m_handler );
+    m_menu.Connect( wxEVT_MENU_HIGHLIGHT, wxEventHandler( CMEventHandler::onEvent ),
+                     NULL, &m_handler );
+    m_menu.Connect( wxEVT_COMMAND_MENU_SELECTED, wxEventHandler( CMEventHandler::onEvent ),
+                     NULL, &m_handler );
 
     // Workaround for the case when mouse cursor never reaches menu (it hangs up tools using menu)
-	wxMenuEvent menuEvent( wxEVT_MENU_HIGHLIGHT, 0, m_menu );
-	m_menu->AddPendingEvent( menuEvent );
-
-	m_titleSet = false;
-}
-
+    wxMenuEvent menuEvent( wxEVT_MENU_HIGHLIGHT, 0, &m_menu );
+    m_menu.AddPendingEvent( menuEvent );
 
-CONTEXT_MENU::~CONTEXT_MENU()
-{
-	delete m_menu;
-	delete m_handler;
+    // Copy all the menu entries
+    for( unsigned i = 0; i < aMenu.m_menu.GetMenuItemCount(); ++i )
+    {
+        wxMenuItem* item = aMenu.m_menu.FindItemByPosition( i );
+        m_menu.Append( new wxMenuItem( &m_menu, item->GetId(), item->GetItemLabel(),
+                        wxEmptyString, wxITEM_NORMAL ) );
+    }
 }
 
 
@@ -86,23 +69,70 @@ void CONTEXT_MENU::SetTitle( const wxString& aTitle )
     // Unfortunately wxMenu::SetTitle() does nothing..
 	if( m_titleSet )
 	{
-        m_menu->Delete( m_menu->FindItemByPosition( 0 ) ); // fixme: this is LAME!
-        m_menu->Delete( m_menu->FindItemByPosition( 0 ) );
+        m_menu.FindItemByPosition( 0 )->SetItemLabel( aTitle );
 	}
-	
-	m_menu->InsertSeparator( 0 );
-	m_menu->Insert( 0, new wxMenuItem( m_menu, -1, aTitle, wxEmptyString, wxITEM_NORMAL ) );
+	else
+	{
+        m_menu.InsertSeparator( 0 );
+        m_menu.Insert( 0, new wxMenuItem( &m_menu, -1, aTitle, wxEmptyString, wxITEM_NORMAL ) );
         m_titleSet = true;
+	}
 }
 
 
-void CONTEXT_MENU::Add( const wxString& aItem, int aId )
+void CONTEXT_MENU::Add( const wxString& aLabel, int aId )
 {
-	m_menu->Append( new wxMenuItem( m_menu, aId, aItem, wxEmptyString, wxITEM_NORMAL ) );
+	m_menu.Append( new wxMenuItem( &m_menu, aId, aLabel, wxEmptyString, wxITEM_NORMAL ) );
+}
+
+
+void CONTEXT_MENU::Add( const TOOL_ACTION& aAction, int aId )
+{
+    m_menu.Append( new wxMenuItem( &m_menu, aId,
+                    wxString( aAction.GetDescription() + '\t' + getHotKeyDescription( aAction ) ),
+                    wxEmptyString, wxITEM_NORMAL ) );
 }
 
 
 void CONTEXT_MENU::Clear()
 {
 	m_titleSet = false;
+
+	for( unsigned i = 0; i < m_menu.GetMenuItemCount(); ++i )
+	    m_menu.Destroy( m_menu.FindItemByPosition( 0 ) );
+}
+
+
+std::string CONTEXT_MENU::getHotKeyDescription( const TOOL_ACTION& aAction ) const
+{
+    int hotkey = aAction.GetHotKey();
+
+    std::string description = "";
+
+    if( hotkey & MD_ModAlt )
+        description += "ALT+";
+    if( hotkey & MD_ModCtrl )
+        description += "CTRL+";
+    if( hotkey & MD_ModShift )
+        description += "SHIFT+";
+
+    // TODO dispatch keys such as Fx, TAB, PG_UP/DN, HOME, END, etc.
+    description += char( hotkey & ~MD_ModifierMask );
+
+    return description;
+}
+
+
+void CONTEXT_MENU::CMEventHandler::onEvent( wxEvent& aEvent )
+{
+    TOOL_EVENT evt;
+    wxEventType type = aEvent.GetEventType();
+
+    if( type == wxEVT_MENU_HIGHLIGHT )
+        evt = TOOL_EVENT( TC_Command, TA_ContextMenuUpdate, aEvent.GetId() );
+    else if( type == wxEVT_COMMAND_MENU_SELECTED )
+        evt = TOOL_EVENT( TC_Command, TA_ContextMenuChoice, aEvent.GetId() );
+
+    if( m_menu->m_tool )
+        m_menu->m_tool->GetManager()->ProcessEvent( evt );
 }

common/tool/tool_manager.cpp

@@ -26,6 +26,7 @@
 #include <deque>
 
 #include <boost/foreach.hpp>
+#include <boost/scoped_ptr.hpp>
 #include <boost/optional.hpp>
 #include <boost/range/adaptor/map.hpp>
 
@@ -387,7 +388,8 @@ bool TOOL_MANAGER::ProcessEvent( TOOL_EVENT& aEvent )
 			if( st->contextMenuTrigger == CMENU_NOW )
 				st->contextMenuTrigger = CMENU_OFF;
 
-			GetEditFrame()->PopupMenu( st->contextMenu->GetMenu() );
+            boost::scoped_ptr<CONTEXT_MENU> menu( new CONTEXT_MENU( *st->contextMenu ) );
+            GetEditFrame()->PopupMenu( menu->GetMenu() );
 
 			TOOL_EVENT evt( TC_Command, TA_ContextMenuChoice );
 			dispatchInternal( evt );

include/tool/context_menu.h

@@ -25,7 +25,8 @@
 #ifndef __CONTEXT_MENU_H
 #define __CONTEXT_MENU_H
 
-#include <wx/string.h>
+#include <wx/menu.h>
+#include <tool/tool_action.h>
 
 class wxMenu;
 class TOOL_INTERACTIVE;
@@ -41,23 +42,29 @@ class CONTEXT_MENU
 
 public:
 	CONTEXT_MENU();
-	~CONTEXT_MENU();
+	CONTEXT_MENU( const CONTEXT_MENU& aMenu );
 
 	void SetTitle( const wxString& aTitle );
-	void Add( const wxString& aItem, int aId );
-	
-	// fixme: unimplemented
-	// void Add ( const TOOL_ACTION& aAction, int aId = -1 );
-	
+	void Add( const wxString& aLabel, int aId );
+	void Add( const TOOL_ACTION& aAction, int aId = -1 );
 	void Clear();
 
 	wxMenu* GetMenu() const
 	{
-		return m_menu;
+		return const_cast<wxMenu*>( &m_menu );
 	}
 
 private:
-	class CMEventHandler;
+	class CMEventHandler : public wxEvtHandler
+	{
+	public:
+	    CMEventHandler( CONTEXT_MENU* aMenu ) : m_menu( aMenu ) {};
+
+	    void onEvent( wxEvent& aEvent );
+
+	private:
+	    CONTEXT_MENU* m_menu;
+	};
 	
 	friend class TOOL_INTERACTIVE;
 
@@ -66,10 +73,19 @@ private:
 		m_tool = aTool;
 	}
 
+	/**
+	 * Returns a hot key in the string format accepted by wxMenu.
+	 *
+	 * @param aAction is the action with hot key to be converted.
+	 * @return Hot key in the string format compatible with wxMenu.
+	 */
+	std::string getHotKeyDescription( const TOOL_ACTION& aAction ) const;
+
+	/// Flag indicating that the menu title was set up
 	bool m_titleSet;
 
-	wxMenu* m_menu;
-	CMEventHandler* m_handler;
+	wxMenu m_menu;
+	CMEventHandler m_handler;
 	TOOL_INTERACTIVE* m_tool;
 };
 

include/tool/tool_action.h

@@ -26,7 +26,7 @@
 #define __TOOL_ACTION_H
 
 #include <string>
-#include <wx/wx.h>
+#include <cassert>
 
 #include <tool/tool_base.h>
 #include <tool/action_manager.h>
@@ -38,8 +38,9 @@
 class TOOL_ACTION
 {
 public:
-    TOOL_ACTION( const std::string& aName, TOOL_ActionScope aScope = AS_CONTEXT, int aDefaultHotKey = 0,
-                 const wxString& aMenuItem = wxT( "" ), const wxString& aMenuDesc = wxT( "" ) ) :
+    TOOL_ACTION( const std::string& aName, TOOL_ActionScope aScope = AS_CONTEXT,
+                 int aDefaultHotKey = 0, const std::string& aMenuItem = std::string( "" ),
+                 const std::string& aMenuDesc = std::string( "" ) ) :
             m_name( aName ), m_scope( aScope ), m_defaultHotKey( aDefaultHotKey ),
                 m_currentHotKey( aDefaultHotKey ), m_menuItem( aMenuItem ),
                 m_menuDescription( aMenuDesc ), m_id( -1 ), m_actionMgr( NULL )
@@ -86,6 +87,15 @@ public:
         return m_id;
     }
 
+    /**
+     * Function GetHotKey()
+     * Returns the associated hot key.
+     */
+    int GetHotKey() const
+    {
+        return m_currentHotKey;
+    }
+
     /**
      * Function ChangeHotKey()
      * Assigns a new hot key.
@@ -94,8 +104,8 @@ public:
      */
     void ChangeHotKey( int aNewHotKey )
     {
-        wxASSERT_MSG( false, wxT( "It is not fully implemented yet") );
-        // I mean it has to be changed in the ACTION_MANAGER, or change the implementation
+        assert( false );
+        // hotkey has to be changed in the ACTION_MANAGER, or change the implementation
         m_currentHotKey = aNewHotKey;
     }
 
@@ -105,8 +115,8 @@ public:
      */
     void RestoreHotKey()
     {
-        wxASSERT_MSG( false, wxT( "It is not fully implemented yet") );
-        // I mean it has to be changed in the ACTION_MANAGER, or change the implementation
+        assert( false );
+        // hotkey has to be changed in the ACTION_MANAGER, or change the implementation
         m_currentHotKey = m_defaultHotKey;
     }
 
@@ -134,6 +144,26 @@ public:
         return TOOL_EVENT( TC_Command, TA_Action, m_name, m_scope );
     }
 
+    const std::string& GetMenuItem() const
+    {
+        return m_menuItem;
+    }
+
+    void SetMenuItem( const std::string& aItem )
+    {
+        m_menuItem = aItem;
+    }
+
+    const std::string& GetDescription() const
+    {
+        return m_menuDescription;
+    }
+
+    void SetDescription( const std::string& aDescription )
+    {
+        m_menuDescription = aDescription;
+    }
+
 private:
     friend class ACTION_MANAGER;
 
@@ -162,10 +192,10 @@ private:
     int m_currentHotKey;
 
     /// Menu entry text
-    wxString m_menuItem;
+    std::string m_menuItem;
 
     /// Pop-up help
-    wxString m_menuDescription;
+    std::string m_menuDescription;
 
     // Icon for menu entry
     //KiBitmap m_bitmap;
@@ -182,4 +212,5 @@ private:
     /// Originating UI object
 //    wxWindow* m_uiOrigin;
 };
+
 #endif