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