src/mac/carbon/bmpbuttn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bmpbuttn.cpp
   3 // Purpose:     wxBitmapButton
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "bmpbuttn.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/window.h"
  19 #include "wx/bmpbuttn.h"
  20
  21 #if !USE_SHARED_LIBRARY
  22 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
  23 #endif
  24
  25 #include "wx/mac/uma.h"
  26 #include "wx/bitmap.h"
  27
  28 bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,
  29            const wxPoint& pos,
  30            const wxSize& size, long style,
  31            const wxValidator& validator,
  32            const wxString& name)
  33 {
  34     m_macIsUserPane = FALSE ;
  35
  36     // since bitmapbuttonbase is subclass of button calling wxBitmapButtonBase::Create
  37     // essentially creates an additional button
  38     if ( !wxControl::Create(parent, id, pos, size,
  39                                      style, validator, name) )
  40         return false;
  41
  42     m_bmpNormal = bitmap;
  43
  44     if (style & wxBU_AUTODRAW)
  45     {
  46         m_marginX = wxDEFAULT_BUTTON_MARGIN;
  47         m_marginY = wxDEFAULT_BUTTON_MARGIN;
  48     }
  49     else
  50     {
  51         m_marginX = 0;
  52         m_marginY = 0;
  53     }
  54
  55     int width = size.x;
  56     int height = size.y;
  57
  58     if ( bitmap.Ok() )
  59     {
  60         wxSize newSize = DoGetBestSize();
  61         if ( width == -1 )
  62             width = newSize.x;
  63         if ( height == -1 )
  64             height = newSize.y;
  65     }
  66
  67     m_bmpNormal = bitmap;
  68
  69     ControlButtonContentInfo info ;
  70     wxMacCreateBitmapButton( &info , m_bmpNormal ) ;
  71
  72     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
  73     m_peer = new wxMacControl() ;
  74     verify_noerr ( CreateBevelButtonControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , CFSTR("") ,
  75         (( style & wxBU_AUTODRAW ) ? kControlBevelButtonSmallBevel : kControlBevelButtonNormalBevel )  ,
  76         kControlBehaviorOffsetContents , &info , 0 , 0 , 0 , m_peer->GetControlRefAddr() ) );
  77
  78     wxMacReleaseBitmapButton( &info ) ;
  79     wxASSERT_MSG( m_peer != NULL && m_peer->Ok() , wxT("No valid mac control") ) ;
  80
  81     MacPostControlCreate(pos,size) ;
  82
  83     return TRUE;
  84 }
  85
  86 void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
  87 {
  88     m_bmpNormal = bitmap;
  89     InvalidateBestSize();
  90
  91     ControlButtonContentInfo info ;
  92     wxMacCreateBitmapButton( &info , m_bmpNormal ) ;
  93     if ( info.contentType != kControlNoContent )
  94     {
  95         m_peer->SetData( kControlButtonPart , kControlBevelButtonContentTag , info ) ;
  96     }
  97     wxMacReleaseBitmapButton( &info ) ;
  98 }
  99
 100
 101 wxSize wxBitmapButton::DoGetBestSize() const
 102 {
 103     wxSize best;
 104     if (m_bmpNormal.Ok())
 105     {
 106         best.x = m_bmpNormal.GetWidth() + 2*m_marginX;
 107         best.y = m_bmpNormal.GetHeight() + 2*m_marginY;
 108     }
 109     return best;
 110 }