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     #include "wx/statbmp.h"
  35     #include "wx/bitmap.h"
  36     #include "wx/utils.h"       // for wxStripMenuCodes()
  37 #endif
  38
  39 const wxChar wxControlNameStr[] = wxT("control");
  40
  41 // ============================================================================
  42 // implementation
  43 // ============================================================================
  44
  45 wxControlBase::~wxControlBase()
  46 {
  47     // this destructor is required for Darwin
  48 }
  49
  50 bool wxControlBase::Create(wxWindow *parent,
  51                            wxWindowID id,
  52                            const wxPoint &pos,
  53                            const wxSize &size,
  54                            long style,
  55                            const wxValidator& wxVALIDATOR_PARAM(validator),
  56                            const wxString &name)
  57 {
  58     bool ret = wxWindow::Create(parent, id, pos, size, style, name);
  59
  60 #if wxUSE_VALIDATORS
  61     if ( ret )
  62         SetValidator(validator);
  63 #endif // wxUSE_VALIDATORS
  64
  65     return ret;
  66 }
  67
  68 bool wxControlBase::CreateControl(wxWindowBase *parent,
  69                                   wxWindowID id,
  70                                   const wxPoint& pos,
  71                                   const wxSize& size,
  72                                   long style,
  73                                   const wxValidator& validator,
  74                                   const wxString& name)
  75 {
  76     // even if it's possible to create controls without parents in some port,
  77     // it should surely be discouraged because it doesn't work at all under
  78     // Windows
  79     wxCHECK_MSG( parent, false, wxT("all controls must have parents") );
  80
  81     if ( !CreateBase(parent, id, pos, size, style, validator, name) )
  82         return false;
  83
  84     parent->AddChild(this);
  85
  86     return true;
  87 }
  88
  89 /* static */
  90 wxString wxControlBase::GetLabelText(const wxString& label)
  91 {
  92     // we don't want strip the TABs here, just the mnemonics
  93     return wxStripMenuCodes(label, wxStrip_Mnemonics);
  94 }
  95
  96 void wxControlBase::Command(wxCommandEvent& event)
  97 {
  98     (void)GetEventHandler()->ProcessEvent(event);
  99 }
 100
 101 void wxControlBase::InitCommandEvent(wxCommandEvent& event) const
 102 {
 103     event.SetEventObject((wxControlBase *)this);    // const_cast
 104
 105     // event.SetId(GetId()); -- this is usuall done in the event ctor
 106
 107     switch ( m_clientDataType )
 108     {
 109         case wxClientData_Void:
 110             event.SetClientData(GetClientData());
 111             break;
 112
 113         case wxClientData_Object:
 114             event.SetClientObject(GetClientObject());
 115             break;
 116
 117         case wxClientData_None:
 118             // nothing to do
 119             ;
 120     }
 121 }
 122
 123
 124 void wxControlBase::SetLabel( const wxString &label )
 125 {
 126     InvalidateBestSize();
 127     wxWindow::SetLabel(label);
 128 }
 129
 130 bool wxControlBase::SetFont(const wxFont& font)
 131 {
 132     InvalidateBestSize();
 133     return wxWindow::SetFont(font);
 134 }
 135
 136 // wxControl-specific processing after processing the update event
 137 void wxControlBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
 138 {
 139     // call inherited
 140     wxWindowBase::DoUpdateWindowUI(event);
 141
 142     // update label
 143     if ( event.GetSetText() )
 144     {
 145         if ( event.GetText() != GetLabel() )
 146             SetLabel(event.GetText());
 147     }
 148
 149     // Unfortunately we don't yet have common base class for
 150     // wxRadioButton, so we handle updates of radiobuttons here.
 151     // TODO: If once wxRadioButtonBase will exist, move this code there.
 152 #if wxUSE_RADIOBTN
 153     if ( event.GetSetChecked() )
 154     {
 155         wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
 156         if ( radiobtn )
 157             radiobtn->SetValue(event.GetChecked());
 158     }
 159 #endif // wxUSE_RADIOBTN
 160 }
 161
 162 // ----------------------------------------------------------------------------
 163 // wxStaticBitmap
 164 // ----------------------------------------------------------------------------
 165
 166 #if wxUSE_STATBMP
 167
 168 wxStaticBitmapBase::~wxStaticBitmapBase()
 169 {
 170     // this destructor is required for Darwin
 171 }
 172
 173 wxSize wxStaticBitmapBase::DoGetBestSize() const
 174 {
 175     wxSize best;
 176     wxBitmap bmp = GetBitmap();
 177     if ( bmp.Ok() )
 178         best = wxSize(bmp.GetWidth(), bmp.GetHeight());
 179     else
 180         // this is completely arbitrary
 181         best = wxSize(16, 16);
 182     CacheBestSize(best);
 183     return best;
 184 }
 185
 186 #endif // wxUSE_STATBMP
 187
 188 #endif // wxUSE_CONTROLS