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 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
  42
  43 BEGIN_EVENT_TABLE(wxBitmapButton, wxButton)
  44     EVT_SET_FOCUS(wxBitmapButton::OnSetFocus)
  45     EVT_KILL_FOCUS(wxBitmapButton::OnKillFocus)
  46 END_EVENT_TABLE()
  47
  48 // ----------------------------------------------------------------------------
  49 // wxBitmapButton
  50 // ----------------------------------------------------------------------------
  51
  52 bool wxBitmapButton::Create(wxWindow *parent,
  53                             wxWindowID id,
  54                             const wxBitmap& bitmap,
  55                             const wxPoint &pos,
  56                             const wxSize &size,
  57                             long style,
  58                             const wxValidator& validator,
  59                             const wxString &name)
  60 {
  61     // we add wxBU_EXACTFIT because the bitmap buttons are not the standard
  62     // ones and so shouldn't be forced to be of the standard size which is
  63     // typically too big for them
  64     if ( !wxButton::Create(parent, id, bitmap, wxEmptyString,
  65                            pos, size, style | wxBU_EXACTFIT, validator, name) )
  66         return false;
  67
  68     m_bmpNormal = bitmap;
  69
  70     return true;
  71 }
  72
  73 void wxBitmapButton::OnSetBitmap()
  74 {
  75     wxBitmap bmp;
  76     if ( !IsEnabled() )
  77     {
  78         bmp = m_bmpDisabled;
  79     }
  80     else if ( IsPressed() )
  81     {
  82         bmp = m_bmpSelected;
  83     }
  84     else if ( IsFocused() )
  85     {
  86         bmp = m_bmpFocus;
  87     }
  88     else
  89     {
  90         bmp = m_bmpNormal;
  91     }
  92
  93     ChangeBitmap(bmp);
  94 }
  95
  96 bool wxBitmapButton::ChangeBitmap(const wxBitmap& bmp)
  97 {
  98     wxBitmap bitmap = bmp.Ok() ? bmp : m_bmpNormal;
  99     if ( bitmap != m_bitmap )
 100     {
 101         m_bitmap = bitmap;
 102
 103         return true;
 104     }
 105
 106     return false;
 107 }
 108
 109 bool wxBitmapButton::Enable(bool enable)
 110 {
 111     if ( !wxButton::Enable(enable) )
 112         return false;
 113
 114     if ( !enable && ChangeBitmap(m_bmpDisabled) )
 115         Refresh();
 116
 117     return true;
 118 }
 119
 120 bool wxBitmapButton::SetCurrent(bool doit)
 121 {
 122     ChangeBitmap(doit ? m_bmpFocus : m_bmpNormal);
 123
 124     return wxButton::SetCurrent(doit);
 125 }
 126
 127 void wxBitmapButton::OnSetFocus(wxFocusEvent& event)
 128 {
 129     if ( ChangeBitmap(m_bmpFocus) )
 130         Refresh();
 131
 132     event.Skip();
 133 }
 134
 135 void wxBitmapButton::OnKillFocus(wxFocusEvent& event)
 136 {
 137     if ( ChangeBitmap(m_bmpNormal) )
 138         Refresh();
 139
 140     event.Skip();
 141 }
 142
 143 void wxBitmapButton::Press()
 144 {
 145     ChangeBitmap(m_bmpSelected);
 146
 147     wxButton::Press();
 148 }
 149
 150 void wxBitmapButton::Release()
 151 {
 152     ChangeBitmap(IsFocused() ? m_bmpFocus : m_bmpNormal);
 153
 154     wxButton::Release();
 155 }
 156
 157 #endif // wxUSE_BMPBUTTON