src/common/ctrlcmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/ctrlcmn.cpp
   3 // Purpose:     wxControl common interface
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     26.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_CONTROLS
  28
  29 #include "wx/control.h"
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/log.h"
  33     #include "wx/radiobut.h"
  34 #endif
  35
  36 #if wxUSE_STATBMP
  37     #include "wx/bitmap.h"
  38     #include "wx/statbmp.h"
  39 #endif // wxUSE_STATBMP
  40
  41 const wxChar wxControlNameStr[] = wxT("control");
  42
  43 // ============================================================================
  44 // implementation
  45 // ============================================================================
  46
  47 wxControlBase::~wxControlBase()
  48 {
  49     // this destructor is required for Darwin
  50 }
  51
  52 bool wxControlBase::Create(wxWindow *parent,
  53                            wxWindowID id,
  54                            const wxPoint &pos,
  55                            const wxSize &size,
  56                            long style,
  57                            const wxValidator& wxVALIDATOR_PARAM(validator),
  58                            const wxString &name)
  59 {
  60     bool ret = wxWindow::Create(parent, id, pos, size, style, name);
  61
  62 #if wxUSE_VALIDATORS
  63     if ( ret )
  64         SetValidator(validator);
  65 #endif // wxUSE_VALIDATORS
  66
  67     return ret;
  68 }
  69
  70 bool wxControlBase::CreateControl(wxWindowBase *parent,
  71                                   wxWindowID id,
  72                                   const wxPoint& pos,
  73                                   const wxSize& size,
  74                                   long style,
  75                                   const wxValidator& validator,
  76                                   const wxString& name)
  77 {
  78     // even if it's possible to create controls without parents in some port,
  79     // it should surely be discouraged because it doesn't work at all under
  80     // Windows
  81     wxCHECK_MSG( parent, false, wxT("all controls must have parents") );
  82
  83     if ( !CreateBase(parent, id, pos, size, style, validator, name) )
  84         return false;
  85
  86     parent->AddChild(this);
  87
  88     return true;
  89 }
  90
  91 void wxControlBase::Command(wxCommandEvent& event)
  92 {
  93     (void)GetEventHandler()->ProcessEvent(event);
  94 }
  95
  96 void wxControlBase::InitCommandEvent(wxCommandEvent& event) const
  97 {
  98     event.SetEventObject((wxControlBase *)this);    // const_cast
  99
 100     // event.SetId(GetId()); -- this is usuall done in the event ctor
 101
 102     switch ( m_clientDataType )
 103     {
 104         case wxClientData_Void:
 105             event.SetClientData(GetClientData());
 106             break;
 107
 108         case wxClientData_Object:
 109             event.SetClientObject(GetClientObject());
 110             break;
 111
 112         case wxClientData_None:
 113             // nothing to do
 114             ;
 115     }
 116 }
 117
 118
 119 void wxControlBase::SetLabel( const wxString &label )
 120 {
 121     InvalidateBestSize();
 122     wxWindow::SetLabel(label);
 123 }
 124
 125 bool wxControlBase::SetFont(const wxFont& font)
 126 {
 127     InvalidateBestSize();
 128     return wxWindow::SetFont(font);
 129 }
 130
 131 // wxControl-specific processing after processing the update event
 132 void wxControlBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
 133 {
 134     // call inherited
 135     wxWindowBase::DoUpdateWindowUI(event);
 136
 137     // update label
 138     if ( event.GetSetText() )
 139     {
 140         if ( event.GetText() != GetLabel() )
 141             SetLabel(event.GetText());
 142     }
 143
 144     // Unfortunately we don't yet have common base class for
 145     // wxRadioButton, so we handle updates of radiobuttons here.
 146     // TODO: If once wxRadioButtonBase will exist, move this code there.
 147 #if wxUSE_RADIOBTN
 148     if ( event.GetSetChecked() )
 149     {
 150         wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
 151         if ( radiobtn )
 152             radiobtn->SetValue(event.GetChecked());
 153     }
 154 #endif // wxUSE_RADIOBTN
 155 }
 156
 157 // ----------------------------------------------------------------------------
 158 // wxStaticBitmap
 159 // ----------------------------------------------------------------------------
 160
 161 #if wxUSE_STATBMP
 162
 163 wxStaticBitmapBase::~wxStaticBitmapBase()
 164 {
 165     // this destructor is required for Darwin
 166 }
 167
 168 wxSize wxStaticBitmapBase::DoGetBestSize() const
 169 {
 170     wxSize best;
 171     wxBitmap bmp = GetBitmap();
 172     if ( bmp.Ok() )
 173         best = wxSize(bmp.GetWidth(), bmp.GetHeight());
 174     else
 175         // this is completely arbitrary
 176         best = wxSize(16, 16);
 177     CacheBestSize(best);
 178     return best;
 179 }
 180
 181 #endif // wxUSE_STATBMP
 182
 183 #endif // wxUSE_CONTROLS