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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "controlbase.h"
  22     #pragma implementation "statbmpbase.h"
  23 #endif
  24
  25 // For compilers that support precompilation, includes "wx.h".
  26 #include "wx/wxprec.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #if wxUSE_CONTROLS
  33
  34 #ifndef WX_PRECOMP
  35     #include "wx/control.h"
  36     #include "wx/log.h"
  37 #endif
  38
  39 #if wxUSE_STATBMP
  40     #include "wx/bitmap.h"
  41     #include "wx/statbmp.h"
  42 #endif // wxUSE_STATBMP
  43
  44 // ============================================================================
  45 // implementation
  46 // ============================================================================
  47
  48 wxControlBase::~wxControlBase()
  49 {
  50     // this destructor is required for Darwin
  51 }
  52
  53 bool wxControlBase::Create(wxWindow *parent,
  54                            wxWindowID id,
  55                            const wxPoint &pos,
  56                            const wxSize &size,
  57                            long style,
  58                            const wxValidator& wxVALIDATOR_PARAM(validator),
  59                            const wxString &name)
  60 {
  61     bool ret = wxWindow::Create(parent, id, pos, size, style, name);
  62
  63 #if wxUSE_VALIDATORS
  64     if ( ret )
  65         SetValidator(validator);
  66 #endif // wxUSE_VALIDATORS
  67
  68     return ret;
  69 }
  70
  71 bool wxControlBase::CreateControl(wxWindowBase *parent,
  72                                   wxWindowID id,
  73                                   const wxPoint& pos,
  74                                   const wxSize& size,
  75                                   long style,
  76                                   const wxValidator& validator,
  77                                   const wxString& name)
  78 {
  79     // even if it's possible to create controls without parents in some port,
  80     // it should surely be discouraged because it doesn't work at all under
  81     // Windows
  82     wxCHECK_MSG( parent, FALSE, wxT("all controls must have parents") );
  83
  84     if ( !CreateBase(parent, id, pos, size, style, validator, name) )
  85         return FALSE;
  86
  87     parent->AddChild(this);
  88
  89     return TRUE;
  90 }
  91
  92 void wxControlBase::Command(wxCommandEvent& event)
  93 {
  94     (void)GetEventHandler()->ProcessEvent(event);
  95 }
  96
  97 void wxControlBase::InitCommandEvent(wxCommandEvent& event) const
  98 {
  99     event.SetEventObject((wxControlBase *)this);    // const_cast
 100
 101     // event.SetId(GetId()); -- this is usuall done in the event ctor
 102
 103     switch ( m_clientDataType )
 104     {
 105         case wxClientData_Void:
 106             event.SetClientData(GetClientData());
 107             break;
 108
 109         case wxClientData_Object:
 110             event.SetClientObject(GetClientObject());
 111             break;
 112
 113         case wxClientData_None:
 114             // nothing to do
 115             ;
 116     }
 117 }
 118
 119
 120 void wxControlBase::SetLabel( const wxString &label )
 121 {
 122     InvalidateBestSize();
 123     wxWindow::SetLabel(label);
 124 }
 125
 126 bool wxControlBase::SetFont(const wxFont& font)
 127 {
 128     InvalidateBestSize();
 129     return wxWindow::SetFont(font);
 130 }
 131
 132 // ----------------------------------------------------------------------------
 133 // wxStaticBitmap
 134 // ----------------------------------------------------------------------------
 135
 136 #if wxUSE_STATBMP
 137
 138 wxStaticBitmapBase::~wxStaticBitmapBase()
 139 {
 140     // this destructor is required for Darwin
 141 }
 142
 143 wxSize wxStaticBitmapBase::DoGetBestSize() const
 144 {
 145     wxSize best;
 146     wxBitmap bmp = GetBitmap();
 147     if ( bmp.Ok() )
 148         best = wxSize(bmp.GetWidth(), bmp.GetHeight());
 149     else
 150         // this is completely arbitrary
 151         best = wxSize(16, 16);
 152     CacheBestSize(best);
 153     return best;
 154 }
 155
 156 #endif // wxUSE_STATBMP
 157
 158 #endif // wxUSE_CONTROLS
 159