src/common/ctrlcmn.cpp

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