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 // ============================================================================
  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 void wxControlBase::Command(wxCommandEvent& event)
  90 {
  91     (void)GetEventHandler()->ProcessEvent(event);
  92 }
  93
  94 void wxControlBase::InitCommandEvent(wxCommandEvent& event) const
  95 {
  96     event.SetEventObject((wxControlBase *)this);    // const_cast
  97
  98     // event.SetId(GetId()); -- this is usuall done in the event ctor
  99
 100     switch ( m_clientDataType )
 101     {
 102         case wxClientData_Void:
 103             event.SetClientData(GetClientData());
 104             break;
 105
 106         case wxClientData_Object:
 107             event.SetClientObject(GetClientObject());
 108             break;
 109
 110         case wxClientData_None:
 111             // nothing to do
 112             ;
 113     }
 114 }
 115
 116
 117 void wxControlBase::SetLabel( const wxString &label )
 118 {
 119     InvalidateBestSize();
 120     wxWindow::SetLabel(label);
 121 }
 122
 123 bool wxControlBase::SetFont(const wxFont& font)
 124 {
 125     InvalidateBestSize();
 126     return wxWindow::SetFont(font);
 127 }
 128
 129 // wxControl-specific processing after processing the update event
 130 void wxControlBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
 131 {
 132     // call inherited
 133     wxWindowBase::DoUpdateWindowUI(event);
 134
 135     // update label
 136     if ( event.GetSetText() )
 137     {
 138         if ( event.GetText() != GetLabel() )
 139             SetLabel(event.GetText());
 140     }
 141
 142     // Unfortunately we don't yet have common base class for
 143     // wxRadioButton, so we handle updates of radiobuttons here.
 144     // TODO: If once wxRadioButtonBase will exist, move this code there.
 145 #if wxUSE_RADIOBTN
 146     if ( event.GetSetChecked() )
 147     {
 148         wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
 149         if ( radiobtn )
 150             radiobtn->SetValue(event.GetChecked());
 151     }
 152 #endif // wxUSE_RADIOBTN
 153 }
 154
 155 // ----------------------------------------------------------------------------
 156 // wxStaticBitmap
 157 // ----------------------------------------------------------------------------
 158
 159 #if wxUSE_STATBMP
 160
 161 wxStaticBitmapBase::~wxStaticBitmapBase()
 162 {
 163     // this destructor is required for Darwin
 164 }
 165
 166 wxSize wxStaticBitmapBase::DoGetBestSize() const
 167 {
 168     wxSize best;
 169     wxBitmap bmp = GetBitmap();
 170     if ( bmp.Ok() )
 171         best = wxSize(bmp.GetWidth(), bmp.GetHeight());
 172     else
 173         // this is completely arbitrary
 174         best = wxSize(16, 16);
 175     CacheBestSize(best);
 176     return best;
 177 }
 178
 179 #endif // wxUSE_STATBMP
 180
 181 #endif // wxUSE_CONTROLS