Commit 05ee03d6 authored by Maciej Suminski's avatar Maciej Suminski
Browse files

Recursive copy constructor for CONTEXT_MENU.

parent 089e99b9
Loading
Loading
Loading
Loading
+98 −44
Original line number Diff line number Diff line
@@ -29,41 +29,32 @@
#include <cassert>

CONTEXT_MENU::CONTEXT_MENU() :
    m_titleSet( false ), m_selected( -1 ), m_handler( this ), m_tool( NULL )
    m_titleSet( false ), m_selected( -1 ), m_tool( NULL )
{
    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, -1, &m_menu );
    m_menu.AddPendingEvent( menuEvent );
    setupEvents();
}


CONTEXT_MENU::CONTEXT_MENU( const CONTEXT_MENU& aMenu ) :
    m_titleSet( aMenu.m_titleSet ), m_selected( -1 ), m_handler( this ), m_tool( aMenu.m_tool )
    m_titleSet( aMenu.m_titleSet ), m_selected( -1 ), m_tool( aMenu.m_tool )
{
    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, -1, &m_menu );
    m_menu.AddPendingEvent( menuEvent );
    setupEvents();

    // 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 ) );
    copyMenu( &aMenu, this );
}

    // Copy tool actions that are available to choose from context menu
    m_toolActions = aMenu.m_toolActions;

void CONTEXT_MENU::setupEvents()
{
    Connect( wxEVT_MENU_HIGHLIGHT, wxEventHandler( CONTEXT_MENU::onMenuEvent ),
                     NULL, this );
    Connect( wxEVT_COMMAND_MENU_SELECTED, wxEventHandler( CONTEXT_MENU::onMenuEvent ),
                     NULL, this );

    // Workaround for the case when mouse cursor never reaches menu (it hangs up tools using menu)
    wxMenuEvent menuEvent( wxEVT_MENU_HIGHLIGHT, -1, this );
    AddPendingEvent( menuEvent );
}


@@ -71,15 +62,16 @@ void CONTEXT_MENU::SetTitle( const wxString& aTitle )
{
    // TODO handle an empty string (remove title and separator)

    // Unfortunately wxMenu::SetTitle() does nothing..
    // Unfortunately wxMenu::SetTitle() does nothing.. (at least wxGTK)

    if( m_titleSet )
    {
        m_menu.FindItemByPosition( 0 )->SetItemLabel( aTitle );
        FindItemByPosition( 0 )->SetItemLabel( aTitle );
    }
    else
    {
        m_menu.InsertSeparator( 0 );
        m_menu.Insert( 0, new wxMenuItem( &m_menu, -1, aTitle, wxEmptyString, wxITEM_NORMAL ) );
        InsertSeparator( 0 );
        Insert( 0, new wxMenuItem( this, -1, aTitle, wxEmptyString, wxITEM_NORMAL ) );
        m_titleSet = true;
    }
}
@@ -89,11 +81,11 @@ void CONTEXT_MENU::Add( const wxString& aLabel, int aId )
{
#ifdef DEBUG

    if( m_menu.FindItem( aId ) != NULL )
    if( FindItem( aId ) != NULL )
        wxLogWarning( wxT( "Adding more than one menu entry with the same ID may result in"
                "undefined behaviour" ) );
#endif
    m_menu.Append( new wxMenuItem( &m_menu, aId, aLabel, wxEmptyString, wxITEM_NORMAL ) );
    Append( new wxMenuItem( this, aId, aLabel, wxEmptyString, wxITEM_NORMAL ) );
}


@@ -102,7 +94,7 @@ void CONTEXT_MENU::Add( const TOOL_ACTION& aAction )
    /// ID numbers for tool actions need to have a value higher than m_actionId
    int id = m_actionId + aAction.GetId();

    wxMenuItem* item = new wxMenuItem( &m_menu, id,
    wxMenuItem* item = new wxMenuItem( this, id,
        wxString( aAction.GetMenuItem().c_str(), wxConvUTF8 ),
        wxString( aAction.GetDescription().c_str(), wxConvUTF8 ), wxITEM_NORMAL );

@@ -123,7 +115,7 @@ void CONTEXT_MENU::Add( const TOOL_ACTION& aAction )
        item->SetAccel( &accel );
    }

    m_menu.Append( item );
    Append( item );
    m_toolActions[id] = &aAction;
}

@@ -133,14 +125,14 @@ void CONTEXT_MENU::Clear()
    m_titleSet = false;

    // Remove all the entries from context menu
    for( unsigned i = 0; i < m_menu.GetMenuItemCount(); ++i )
        m_menu.Destroy( m_menu.FindItemByPosition( 0 ) );
    for( unsigned i = 0; i < GetMenuItemCount(); ++i )
        Destroy( FindItemByPosition( 0 ) );

    m_toolActions.clear();
}


void CONTEXT_MENU::CMEventHandler::onEvent( wxEvent& aEvent )
void CONTEXT_MENU::onMenuEvent( wxEvent& aEvent )
{
    TOOL_EVENT evt;
    wxEventType type = aEvent.GetEventType();
@@ -155,21 +147,83 @@ void CONTEXT_MENU::CMEventHandler::onEvent( wxEvent& aEvent )
    else if( type == wxEVT_COMMAND_MENU_SELECTED )
    {
        // Store the selected position
        m_menu->m_selected = aEvent.GetId();
        m_selected = aEvent.GetId();

        // Check if there is a TOOL_ACTION for the given ID
        if( m_menu->m_toolActions.count( aEvent.GetId() ) == 1 )
        if( m_toolActions.count( aEvent.GetId() ) == 1 )
        {
            evt = m_menu->m_toolActions[aEvent.GetId()]->MakeEvent();
            evt = m_toolActions[aEvent.GetId()]->MakeEvent();
        }
        else
        {
            OPT_TOOL_EVENT custom = handleCustomEvent( aEvent );
            if(custom)
                evt = *custom;
            else {
                // Handling non-action menu entries (e.g. items in clarification list)
                evt = TOOL_EVENT( TC_COMMAND, TA_CONTEXT_MENU_CHOICE, aEvent.GetId() );
            }
        }
    }

    // forward the action/update event to the TOOL_MANAGER
    if( m_menu->m_tool )
        m_menu->m_tool->GetManager()->ProcessEvent( evt );
    if( m_tool )
        m_tool->GetManager()->ProcessEvent( evt );
}


void CONTEXT_MENU::copyMenu( const CONTEXT_MENU* aParent, CONTEXT_MENU* aTarget ) const
{
    // Copy all the menu entries
    for( unsigned i = 0; i < aParent->GetMenuItemCount(); ++i )
    {
        wxMenuItem* item = aParent->FindItemByPosition( i );

        if( item->IsSubMenu() )
        {
#ifdef DEBUG
            // Submenus of a CONTEXT_MENU are supposed to be CONTEXT_MENUs as well
            assert( dynamic_cast<CONTEXT_MENU*>( item->GetSubMenu() ) );
#endif

            CONTEXT_MENU* menu = new CONTEXT_MENU;
            copyMenu( static_cast<const CONTEXT_MENU*>( item->GetSubMenu() ), menu );
            aTarget->AppendSubMenu( menu, item->GetItemLabel(), wxT( "" ) );
        }
        else
        {
            wxMenuItem* newItem = new wxMenuItem( aTarget, item->GetId(), item->GetItemLabel(),
                    wxEmptyString, item->GetKind() );

            aTarget->Append( newItem );
            copyItem( item, newItem );
        }
    }

    // Copy tool actions that are available to choose from context menu
    aTarget->m_toolActions = aParent->m_toolActions;
}


void CONTEXT_MENU::copyItem( const wxMenuItem* aSource, wxMenuItem* aDest ) const
{
    assert( !aSource->IsSubMenu() );

    aDest->SetKind( aSource->GetKind() );
    aDest->SetHelp( aSource->GetHelp() );
    aDest->Enable( aSource->IsEnabled() );

    if( aSource->IsCheckable() )
        aDest->Check( aSource->IsChecked() );

    if( aSource->GetKind() == wxITEM_NORMAL )
        aDest->SetBitmap( aSource->GetBitmap() );

    if( aSource->IsSubMenu() )
    {
        CONTEXT_MENU* newMenu = new CONTEXT_MENU;

        copyMenu( static_cast<const CONTEXT_MENU*>( aSource->GetSubMenu() ), newMenu );
        aDest->SetSubMenu( newMenu );
    }
}
+1 −3
Original line number Diff line number Diff line
@@ -308,8 +308,6 @@ int TOOL_MANAGER::GetPriority( int aToolId ) const
    for( std::deque<int>::const_iterator it = m_activeTools.begin(),
            itEnd = m_activeTools.end(); it != itEnd; ++it )
    {
        std::cout << FindTool( *it )->GetName() << std::endl;

        if( *it == aToolId )
            return priority;

@@ -497,7 +495,7 @@ bool TOOL_MANAGER::ProcessEvent( TOOL_EVENT& aEvent )
                st->contextMenuTrigger = CMENU_OFF;

            boost::scoped_ptr<CONTEXT_MENU> menu( new CONTEXT_MENU( *st->contextMenu ) );
            GetEditFrame()->PopupMenu( menu->GetMenu() );
            GetEditFrame()->PopupMenu( menu.get() );

            // If nothing was chosen from the context menu, we must notify the tool as well
            if( menu->GetSelected() < 0 )
+24 −26
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ class TOOL_INTERACTIVE;
 * Defines the structure of a context (usually right-click) popup menu
 * for a given tool.
 */
class CONTEXT_MENU
class CONTEXT_MENU : public wxMenu
{
public:
    ///> Default constructor
@@ -71,6 +71,7 @@ public:
     */
    void Add( const TOOL_ACTION& aAction );


    /**
     * Function Clear()
     * Removes all the entries from the menu (as well as its title). It leaves the menu in the
@@ -89,32 +90,32 @@ public:
        return m_selected;
    }

    /**
     * Function GetMenu()
     * Returns the instance of wxMenu object used to display the menu.
     */
    wxMenu* GetMenu() const

protected:
    virtual OPT_TOOL_EVENT handleCustomEvent ( wxEvent& aEvent )
    {
        return const_cast<wxMenu*>( &m_menu );
    }
        return OPT_TOOL_EVENT();
    };

private:
    ///> Class CMEventHandler takes care of handling menu events. After reception of particular
    ///> events, it translates them to TOOL_EVENTs that may control tools.
    class CMEventHandler : public wxEvtHandler
    {
    public:
        ///> Default constructor
        ///> aMenu is the CONTEXT_MENU instance for which it handles events.
        CMEventHandler( CONTEXT_MENU* aMenu ) : m_menu( aMenu ) {};
    /**
     * Function copyMenu
     * Copies recursively all entries and submenus.
     * @param aParent is the source.
     * @param aTarget is the destination.
     */
    void copyMenu( const CONTEXT_MENU* aParent, CONTEXT_MENU* aTarget ) const;

    /**
     * Function copyItem
     * Copies all properties of a menu entry.
     */
    void copyItem( const wxMenuItem* aSource, wxMenuItem* aDest ) const;

        ///> Handler for menu events.
        void onEvent( wxEvent& aEvent );
    void setupEvents();

    private:
        ///> CONTEXT_MENU instance for which it handles events.
        CONTEXT_MENU* m_menu;
    };
    ///> Event handler.
    void onMenuEvent( wxEvent& aEvent );

    friend class TOOL_INTERACTIVE;

@@ -131,14 +132,11 @@ private:
    ///> Flag indicating that the menu title was set up.
    bool m_titleSet;

    ///> Instance of wxMenu used for display of the context menu.
    wxMenu m_menu;

    ///> Stores the id number of selected item.
    int m_selected;

    ///> Instance of menu event handler.
    CMEventHandler m_handler;
    //CMEventHandler m_handler;

    ///> Creator of the menu
    TOOL_INTERACTIVE* m_tool;