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_bitmaps[State_Normal] = bitmap;
  69
  70     return true;
  71 }
  72
  73 void wxBitmapButton::OnSetBitmap()
  74 {
  75     wxBitmap bmp;
  76     if ( !IsEnabled() )
  77     {
  78         bmp = GetBitmapDisabled();
  79     }
  80     else if ( IsPressed() )
  81     {
  82         bmp = GetBitmapPressed();
  83     }
  84     else if ( IsFocused() )
  85     {
  86         bmp = GetBitmapFocus();
  87     }
  88     //else: just leave it invalid, this means "normal" anyhow in ChangeBitmap()
  89
  90     ChangeBitmap(bmp);
  91 }
  92
  93 bool wxBitmapButton::ChangeBitmap(const wxBitmap& bmp)
  94 {
  95     wxBitmap bitmap = bmp.IsOk() ? bmp : GetBitmapLabel();
  96     if ( bitmap.IsSameAs(m_bitmap) )
  97         return false;
  98
  99     m_bitmap = bitmap;
 100
 101     return true;
 102 }
 103
 104 bool wxBitmapButton::Enable(bool enable)
 105 {
 106     if ( !wxButton::Enable(enable) )
 107         return false;
 108
 109     if ( !enable && ChangeBitmap(GetBitmapDisabled()) )
 110         Refresh();
 111
 112     return true;
 113 }
 114
 115 bool wxBitmapButton::SetCurrent(bool doit)
 116 {
 117     ChangeBitmap(doit ? GetBitmapFocus() : GetBitmapLabel());
 118
 119     return wxButton::SetCurrent(doit);
 120 }
 121
 122 void wxBitmapButton::OnSetFocus(wxFocusEvent& event)
 123 {
 124     if ( ChangeBitmap(GetBitmapFocus()) )
 125         Refresh();
 126
 127     event.Skip();
 128 }
 129
 130 void wxBitmapButton::OnKillFocus(wxFocusEvent& event)
 131 {
 132     if ( ChangeBitmap(GetBitmapLabel()) )
 133         Refresh();
 134
 135     event.Skip();
 136 }
 137
 138 void wxBitmapButton::Press()
 139 {
 140     ChangeBitmap(GetBitmapPressed());
 141
 142     wxButton::Press();
 143 }
 144
 145 void wxBitmapButton::Release()
 146 {
 147     ChangeBitmap(IsFocused() ? GetBitmapFocus() : GetBitmapLabel());
 148
 149     wxButton::Release();
 150 }
 151
 152 #endif // wxUSE_BMPBUTTON