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