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