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