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