src/univ/bmpbuttn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "univbmpbuttn.h"
  22 #endif
  23
  24 #include "wx/wxprec.h"
  25
  26 #ifdef __BORLANDC__
  27     #pragma hdrstop
  28 #endif
  29
  30 #if wxUSE_BMPBUTTON
  31
  32 #ifndef WX_PRECOMP
  33     #include "wx/dc.h"
  34     #include "wx/bmpbuttn.h"
  35     #include "wx/validate.h"
  36 #endif
  37
  38 #include "wx/univ/renderer.h"
  39
  40 // ============================================================================
  41 // implementation
  42 // ============================================================================
  43
  44 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
  45
  46 BEGIN_EVENT_TABLE(wxBitmapButton, wxButton)
  47     EVT_SET_FOCUS(wxBitmapButton::OnSetFocus)
  48     EVT_KILL_FOCUS(wxBitmapButton::OnKillFocus)
  49 END_EVENT_TABLE()
  50
  51 // ----------------------------------------------------------------------------
  52 // wxBitmapButton
  53 // ----------------------------------------------------------------------------
  54
  55 bool wxBitmapButton::Create(wxWindow *parent,
  56                             wxWindowID id,
  57                             const wxBitmap& bitmap,
  58                             const wxPoint &pos,
  59                             const wxSize &size,
  60                             long style,
  61                             const wxValidator& validator,
  62                             const wxString &name)
  63 {
  64     // we add wxBU_EXACTFIT because the bitmap buttons are not the standard
  65     // ones and so shouldn't be forced to be of the standard size which is
  66     // typically too big for them
  67     if ( !wxButton::Create(parent, id, bitmap, wxEmptyString,
  68                            pos, size, style | wxBU_EXACTFIT, validator, name) )
  69         return false;
  70
  71     m_bmpNormal = bitmap;
  72
  73     return true;
  74 }
  75
  76 void wxBitmapButton::OnSetBitmap()
  77 {
  78     wxBitmap bmp;
  79     if ( !IsEnabled() )
  80     {
  81         bmp = m_bmpDisabled;
  82     }
  83     else if ( IsPressed() )
  84     {
  85         bmp = m_bmpSelected;
  86     }
  87     else if ( IsFocused() )
  88     {
  89         bmp = m_bmpFocus;
  90     }
  91     else
  92     {
  93         bmp = m_bmpNormal;
  94     }
  95
  96     ChangeBitmap(bmp);
  97 }
  98
  99 bool wxBitmapButton::ChangeBitmap(const wxBitmap& bmp)
 100 {
 101     wxBitmap bitmap = bmp.Ok() ? bmp : m_bmpNormal;
 102     if ( bitmap != m_bitmap )
 103     {
 104         m_bitmap = bitmap;
 105
 106         return true;
 107     }
 108
 109     return false;
 110 }
 111
 112 bool wxBitmapButton::Enable(bool enable)
 113 {
 114     if ( !wxButton::Enable(enable) )
 115         return false;
 116
 117     if ( !enable && ChangeBitmap(m_bmpDisabled) )
 118         Refresh();
 119
 120     return true;
 121 }
 122
 123 bool wxBitmapButton::SetCurrent(bool doit)
 124 {
 125     ChangeBitmap(doit ? m_bmpFocus : m_bmpNormal);
 126
 127     return wxButton::SetCurrent(doit);
 128 }
 129
 130 void wxBitmapButton::OnSetFocus(wxFocusEvent& event)
 131 {
 132     if ( ChangeBitmap(m_bmpFocus) )
 133         Refresh();
 134
 135     event.Skip();
 136 }
 137
 138 void wxBitmapButton::OnKillFocus(wxFocusEvent& event)
 139 {
 140     if ( ChangeBitmap(m_bmpNormal) )
 141         Refresh();
 142
 143     event.Skip();
 144 }
 145
 146 void wxBitmapButton::Press()
 147 {
 148     ChangeBitmap(m_bmpSelected);
 149
 150     wxButton::Press();
 151 }
 152
 153 void wxBitmapButton::Release()
 154 {
 155     ChangeBitmap(IsFocused() ? m_bmpFocus : m_bmpNormal);
 156
 157     wxButton::Release();
 158 }
 159
 160 #endif // wxUSE_BMPBUTTON
 161