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 wxBitmapButtonBase::wxBitmapButtonBase()
  56                                       : m_bmpNormal(),
  57                                         m_bmpSelected(),
  58                                         m_bmpFocus(),
  59                                         m_bmpDisabled(),
  60                                         m_marginX(0),
  61                                         m_marginY(0)
  62 {
  63 }
  64
  65 wxBitmapButton::wxBitmapButton()
  66 {
  67 }
  68
  69 wxBitmapButton::wxBitmapButton(wxWindow *parent,
  70                                wxWindowID id,
  71                                const wxBitmap& bitmap,
  72                                const wxPoint& pos,
  73                                const wxSize& size,
  74                                long style,
  75                                const wxValidator& validator,
  76                                const wxString& name)
  77 {
  78     Create(parent, id, bitmap, pos, size, style, validator, name);
  79 }
  80
  81 bool wxBitmapButton::Create(wxWindow *parent,
  82                             wxWindowID id,
  83                             const wxBitmap& bitmap,
  84                             const wxPoint &pos,
  85                             const wxSize &size,
  86                             long style,
  87                             const wxValidator& validator,
  88                             const wxString &name)
  89 {
  90     // we add wxBU_EXACTFIT because the bitmap buttons are not the standard
  91     // ones and so shouldn't be forced to be of the standard size which is
  92     // typically too big for them
  93     if ( !wxButton::Create(parent, id, bitmap, _T(""),
  94                            pos, size, style | wxBU_EXACTFIT, validator, name) )
  95         return FALSE;
  96
  97     m_bmpNormal = bitmap;
  98
  99     return TRUE;
 100 }
 101
 102 void wxBitmapButton::OnSetBitmap()
 103 {
 104     wxBitmap bmp;
 105     if ( !IsEnabled() )
 106     {
 107         bmp = m_bmpDisabled;
 108     }
 109     else if ( IsPressed() )
 110     {
 111         bmp = m_bmpSelected;
 112     }
 113     else if ( IsFocused() )
 114     {
 115         bmp = m_bmpFocus;
 116     }
 117     else
 118     {
 119         bmp = m_bmpNormal;
 120     }
 121
 122     ChangeBitmap(bmp);
 123 }
 124
 125 bool wxBitmapButton::ChangeBitmap(const wxBitmap& bmp)
 126 {
 127     wxBitmap bitmap = bmp.Ok() ? bmp : m_bmpNormal;
 128     if ( bitmap != m_bitmap )
 129     {
 130         m_bitmap = bitmap;
 131
 132         return TRUE;
 133     }
 134
 135     return FALSE;
 136 }
 137
 138 bool wxBitmapButton::Enable(bool enable)
 139 {
 140     if ( !wxButton::Enable(enable) )
 141         return FALSE;
 142
 143     if ( !enable && ChangeBitmap(m_bmpDisabled) )
 144         Refresh();
 145
 146     return TRUE;
 147 }
 148
 149 bool wxBitmapButton::SetCurrent(bool doit)
 150 {
 151     ChangeBitmap(doit ? m_bmpFocus : m_bmpNormal);
 152
 153     return wxButton::SetCurrent(doit);
 154 }
 155
 156 void wxBitmapButton::OnSetFocus(wxFocusEvent& event)
 157 {
 158     if ( ChangeBitmap(m_bmpFocus) )
 159         Refresh();
 160
 161     event.Skip();
 162 }
 163
 164 void wxBitmapButton::OnKillFocus(wxFocusEvent& event)
 165 {
 166     if ( ChangeBitmap(m_bmpNormal) )
 167         Refresh();
 168
 169     event.Skip();
 170 }
 171
 172 void wxBitmapButton::Press()
 173 {
 174     ChangeBitmap(m_bmpSelected);
 175
 176     wxButton::Press();
 177 }
 178
 179 void wxBitmapButton::Release()
 180 {
 181     ChangeBitmap(IsFocused() ? m_bmpFocus : m_bmpNormal);
 182
 183     wxButton::Release();
 184 }
 185
 186 #endif // wxUSE_BMPBUTTON
 187