Missed labels to replace number of 'topicNNN' in anchors. Consistent use of -dtor...

[wxWidgets.git] / src / mac / carbon / taskbar.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        taskbar.cpp
// Purpose:     wxTaskBarIcon OSX Implementation
// Author:      Ryan Norton
// Modified by:
// Created:     09/25/2004
// RCS-ID:      $Id$
// Copyright:   (c) 2004 Ryan Norton
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#include "wx/defs.h"

#ifdef wxHAS_TASK_BAR_ICON

#include "wx/mac/private.h"

#include "wx/taskbar.h"
#include "wx/menu.h"
#include "wx/icon.h"

//
//TODO:  Implement  Apple Software Guidelines - show the top window it it's not shown,
//and force it to be unminimized - and all unminimized windows should be brought to 
//the front
//
//TODO:
IMPLEMENT_DYNAMIC_CLASS(wxTaskBarIcon, wxEvtHandler)

pascal OSStatus wxDockEventHandler( EventHandlerCallRef inHandlerCallRef,
                                    EventRef inEvent, void* pData)
{
    wxTaskBarIcon*& pTB = (wxTaskBarIcon*&) pData;

    const UInt32 eventClass = GetEventClass(inEvent);
    const UInt32 eventKind = GetEventKind(inEvent);
            
    if (eventClass == kEventClassCommand && eventKind == kEventCommandProcess) 
    {
    //TODO:
    //TODO: This is a complete copy of 
    //static pascal OSStatus wxMacAppCommandEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
    //FIND A WAY TO EXTERN THIS AND USE THAT HERE INSTEAD!!
    //TODO:
    MenuRef hMenu = MAC_WXHMENU(pTB->GetCurrentMenu()->GetHMenu());
    OSStatus result = eventNotHandledErr ;

    HICommand command ;
    OSErr err;
    
    err =    GetEventParameter(inEvent, kEventParamDirectObject, typeHICommand,     
                            NULL, sizeof(HICommand), NULL, &command);
    wxASSERT(err == noErr);
                
    MenuItemIndex menuItemIndex;
    err = GetIndMenuItemWithCommandID(hMenu, command.commandID, 1, NULL, &menuItemIndex);
    wxASSERT(err == noErr);
                
                    
    MenuCommand id = command.commandID ;
    wxMenuItem* item = NULL;
    // for items we don't really control
    if ( id == kHICommandPreferences )
    {
        id = wxApp::s_macPreferencesMenuItemId ;
        
        wxMenuBar* mbar = wxMenuBar::MacGetInstalledMenuBar() ;
        if ( mbar )
        {
            wxMenu* menu = NULL ;
            item = mbar->FindItem( id , &menu ) ;
        }
    }
   else if (id != 0)
        GetMenuItemRefCon( hMenu , menuItemIndex , (UInt32*) &item ) ;

    if ( item )
    {
        if (item->IsCheckable())
        {
            item->Check( !item->IsChecked() ) ;
        }
        
        item->GetMenu()->SendEvent( id , item->IsCheckable() ? item->IsChecked() : -1 ) ;
        result = noErr ;
    }
    return result ;
    }
    
    wxASSERT(eventClass == kEventClassApplication && eventKind == kEventAppGetDockTileMenu);
                
    //process the right click event
    wxTaskBarIconEvent evt(wxEVT_TASKBAR_RIGHT_UP,NULL);
    pTB->ProcessEvent(evt);
        
    //create popup menu
    wxMenu* menu = pTB->DoCreatePopupMenu();
    
    OSStatus err = noErr;

    if(menu)
    {
        //note to self - a MenuRef IS A MenuHandle
        MenuRef hMenu = MAC_WXHMENU(menu->GetHMenu());

        //When we call SetEventParameter it will decrement
        //the reference count of the menu - we need to make
        //sure it stays around in the wxMenu class here
        RetainMenu(hMenu);

        //set the actual dock menu
        err = SetEventParameter((EventRef) inEvent, kEventParamMenuRef, 
                    typeMenuRef, sizeof(MenuRef), 
                     &hMenu);
        wxASSERT(err == 0);
    }

    return err;
}

DEFINE_ONE_SHOT_HANDLER_GETTER( wxDockEventHandler );

wxTaskBarIcon::wxTaskBarIcon(const wxTaskBarIconType& nType)
    : m_nType(nType), m_pEventHandlerRef(NULL), m_pMenu(NULL), m_iconAdded(false)
{
    //Register the events that will return the dock menu
    EventTypeSpec tbEventList[] = { { kEventClassCommand, kEventProcessCommand },
                                    { kEventClassApplication, kEventAppGetDockTileMenu } };
    
#ifdef __WXDEBUG__
    OSStatus err =
#endif
    InstallApplicationEventHandler(
            GetwxDockEventHandlerUPP(),
            GetEventTypeCount(tbEventList), tbEventList, 
            this, (&(EventHandlerRef&)m_pEventHandlerRef));
            
    wxASSERT(err == noErr);
}

wxTaskBarIcon::~wxTaskBarIcon()
{
    RemoveEventHandler((EventHandlerRef&)m_pEventHandlerRef);
}

wxMenu* wxTaskBarIcon::GetCurrentMenu()
{
    return m_pMenu;
}

wxMenu* wxTaskBarIcon::DoCreatePopupMenu()
{
    if (m_pMenu)
        delete m_pMenu;

    m_pMenu = CreatePopupMenu();
    
    if (m_pMenu)
        m_pMenu->SetEventHandler(this);
    
    return m_pMenu;
}

// Operations:
bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
{
    wxMask* mask = icon.GetMask();
    if (!mask)
    {
        // Make a mask with no transparent pixels
        wxBitmap   bmp(icon.GetWidth(), icon.GetHeight());
        wxMemoryDC dc;
        dc.SelectObject(bmp);
        dc.SetBackground(*wxBLACK_BRUSH);
        dc.Clear();
        dc.SelectObject(wxNullBitmap);
        mask = new wxMask(bmp, *wxWHITE);
    } 
        
    CGImageRef pImage;
    
    //create the icon from the bitmap and mask bitmap contained within
    OSStatus err = CreateCGImageFromPixMaps(
        GetGWorldPixMap(MAC_WXHBITMAP(icon.GetHBITMAP())),
        GetGWorldPixMap(MAC_WXHBITMAP(mask->GetMaskBitmap())),
        &pImage
        );
        
    wxASSERT(err == 0);
    
    err = SetApplicationDockTileImage(pImage);
        
    wxASSERT(err == 0);
    
    if (pImage != NULL)
        CGImageRelease(pImage);

    if (!icon.GetMask())
        delete mask;
    
    return m_iconAdded = err == noErr;
}
    
bool wxTaskBarIcon::RemoveIcon()
{
    OSStatus err = RestoreApplicationDockTileImage();
    wxASSERT(err == 0);

    return !(m_iconAdded = !(err == noErr));
}
    
bool wxTaskBarIcon::PopupMenu(wxMenu *menu)
{
    if (m_pMenu)
        delete m_pMenu;
    
    m_pMenu = menu;
    
    wxASSERT(menu);
    m_pMenu->SetEventHandler(this);
    
    return SetApplicationDockTileMenu(MAC_WXHMENU(menu->GetHMenu()));
}

#endif //wxHAS_TASK_BAR_ICON