src/mac/classic/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 #ifdef __GNUG__
  13 #pragma implementation "bmpbuttn.h"
  14 #endif
  15
  16 #include "wx/window.h"
  17 #include "wx/bmpbuttn.h"
  18
  19 #if !USE_SHARED_LIBRARY
  20 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
  21 #endif
  22
  23 #include "wx/mac/uma.h"
  24 #include "wx/bitmap.h"
  25
  26 bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,
  27            const wxPoint& pos,
  28            const wxSize& size, long style,
  29            const wxValidator& validator,
  30            const wxString& name)
  31 {
  32     // since bitmapbuttonbase is subclass of button calling wxBitmapButtonBase::Create
  33     // essentially creates an additional button
  34     if ( !wxControl::Create(parent, id, pos, size,
  35                                      style, validator, name) )
  36         return false;
  37
  38     m_bmpNormal = bitmap;
  39
  40     if (style & wxBU_AUTODRAW)
  41     {
  42         m_marginX = wxDEFAULT_BUTTON_MARGIN;
  43         m_marginY = wxDEFAULT_BUTTON_MARGIN;
  44     }
  45     else
  46     {
  47         m_marginX = 0;
  48         m_marginY = 0;
  49     }
  50
  51     int width = size.x;
  52     int height = size.y;
  53
  54     if ( bitmap.Ok() )
  55     {
  56         wxSize newSize = DoGetBestSize();
  57         if ( width == -1 )
  58             width = newSize.x;
  59         if ( height == -1 )
  60             height = newSize.y;
  61     }
  62
  63     Rect bounds ;
  64     Str255 title ;
  65     m_bmpNormal = bitmap;
  66     wxBitmapRefData * bmap = NULL ;
  67
  68     if ( m_bmpNormal.Ok() )
  69         bmap = (wxBitmapRefData*) ( m_bmpNormal.GetRefData()) ;
  70
  71     MacPreControlCreate( parent , id ,  wxEmptyString , pos , wxSize( width , height ) ,style, validator , name , &bounds , title ) ;
  72
  73     m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 ,
  74         kControlBehaviorOffsetContents +
  75             ( bmap && bmap->m_bitmapType == kMacBitmapTypeIcon ?
  76             kControlContentCIconHandle : kControlContentPictHandle ) , 0,
  77           (( style & wxBU_AUTODRAW ) ? kControlBevelButtonSmallBevelProc : kControlBevelButtonNormalBevelProc ), (long) this ) ;
  78     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
  79
  80     ControlButtonContentInfo info ;
  81     wxMacCreateBitmapButton( &info , m_bmpNormal ) ;
  82     if ( info.contentType != kControlNoContent )
  83     {
  84         ::SetControlData( (ControlHandle) m_macControl , kControlButtonPart , kControlBevelButtonContentTag , sizeof(info) , (char*) &info ) ;
  85     }
  86     MacPostControlCreate() ;
  87
  88     return TRUE;
  89 }
  90
  91 void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
  92 {
  93     m_bmpNormal = bitmap;
  94     InvalidateBestSize();
  95
  96     ControlButtonContentInfo info ;
  97     wxMacCreateBitmapButton( &info , m_bmpNormal ) ;
  98     if ( info.contentType != kControlNoContent )
  99     {
 100         ::SetControlData( (ControlHandle) m_macControl , kControlButtonPart , kControlBevelButtonContentTag , sizeof(info) , (char*) &info ) ;
 101     }
 102 }
 103
 104
 105 wxSize wxBitmapButton::DoGetBestSize() const
 106 {
 107     wxSize best;
 108     if (m_bmpNormal.Ok())
 109     {
 110         best.x = m_bmpNormal.GetWidth() + 2*m_marginX;
 111         best.y = m_bmpNormal.GetHeight() + 2*m_marginY;
 112     }
 113     return best;
 114 }