src/univ/bmpbuttn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/univ/bmpbuttn.cpp
   3 // Purpose:     wxBitmapButton implementation
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     25.08.00
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_BMPBUTTON
  27
  28 #include "wx/bmpbuttn.h"
  29
  30 #ifndef WX_PRECOMP
  31     #include "wx/dc.h"
  32     #include "wx/validate.h"
  33 #endif
  34
  35 #include "wx/univ/renderer.h"
  36
  37 // ============================================================================
  38 // implementation
  39 // ============================================================================
  40
  41 BEGIN_EVENT_TABLE(wxBitmapButton, wxButton)
  42     EVT_SET_FOCUS(wxBitmapButton::OnSetFocus)
  43     EVT_KILL_FOCUS(wxBitmapButton::OnKillFocus)
  44 END_EVENT_TABLE()
  45
  46 // ----------------------------------------------------------------------------
  47 // wxBitmapButton
  48 // ----------------------------------------------------------------------------
  49
  50 bool wxBitmapButton::Create(wxWindow *parent,
  51                             wxWindowID id,
  52                             const wxBitmap& bitmap,
  53                             const wxPoint &pos,
  54                             const wxSize &size,
  55                             long style,
  56                             const wxValidator& validator,
  57                             const wxString &name)
  58 {
  59     // we add wxBU_EXACTFIT because the bitmap buttons are not the standard
  60     // ones and so shouldn't be forced to be of the standard size which is
  61     // typically too big for them
  62     if ( !wxButton::Create(parent, id, bitmap, wxEmptyString,
  63                            pos, size, style | wxBU_EXACTFIT, validator, name) )
  64         return false;
  65
  66     m_bitmaps[State_Normal] = bitmap;
  67
  68     return true;
  69 }
  70
  71 void wxBitmapButton::OnSetBitmap()
  72 {
  73     wxBitmap bmp;
  74     if ( !IsEnabled() )
  75     {
  76         bmp = GetBitmapDisabled();
  77     }
  78     else if ( IsPressed() )
  79     {
  80         bmp = GetBitmapPressed();
  81     }
  82     else if ( IsFocused() )
  83     {
  84         bmp = GetBitmapFocus();
  85     }
  86     //else: just leave it invalid, this means "normal" anyhow in ChangeBitmap()
  87
  88     ChangeBitmap(bmp);
  89 }
  90
  91 bool wxBitmapButton::ChangeBitmap(const wxBitmap& bmp)
  92 {
  93     wxBitmap bitmap = bmp.IsOk() ? bmp : GetBitmapLabel();
  94     if ( bitmap.IsSameAs(m_bitmap) )
  95         return false;
  96
  97     m_bitmap = bitmap;
  98
  99     return true;
 100 }
 101
 102 bool wxBitmapButton::Enable(bool enable)
 103 {
 104     if ( !wxButton::Enable(enable) )
 105         return false;
 106
 107     if ( !enable && ChangeBitmap(GetBitmapDisabled()) )
 108         Refresh();
 109
 110     return true;
 111 }
 112
 113 bool wxBitmapButton::SetCurrent(bool doit)
 114 {
 115     ChangeBitmap(doit ? GetBitmapFocus() : GetBitmapLabel());
 116
 117     return wxButton::SetCurrent(doit);
 118 }
 119
 120 void wxBitmapButton::OnSetFocus(wxFocusEvent& event)
 121 {
 122     if ( ChangeBitmap(GetBitmapFocus()) )
 123         Refresh();
 124
 125     event.Skip();
 126 }
 127
 128 void wxBitmapButton::OnKillFocus(wxFocusEvent& event)
 129 {
 130     if ( ChangeBitmap(GetBitmapLabel()) )
 131         Refresh();
 132
 133     event.Skip();
 134 }
 135
 136 void wxBitmapButton::Press()
 137 {
 138     ChangeBitmap(GetBitmapPressed());
 139
 140     wxButton::Press();
 141 }
 142
 143 void wxBitmapButton::Release()
 144 {
 145     ChangeBitmap(IsFocused() ? GetBitmapFocus() : GetBitmapLabel());
 146
 147     wxButton::Release();
 148 }
 149
 150 #endif // wxUSE_BMPBUTTON