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) wxWindows 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 }
  51
  52 wxControlBase::~wxControlBase()
  53 {
  54     // this destructor is required for Darwin
  55 }
  56
  57 bool wxControlBase::Create(wxWindow *parent,
  58                            wxWindowID id,
  59                            const wxPoint &pos,
  60                            const wxSize &size,
  61                            long style,
  62                            const wxValidator& wxVALIDATOR_PARAM(validator),
  63                            const wxString &name)
  64 {
  65     bool ret = wxWindow::Create(parent, id, pos, size, style, name);
  66
  67 #if wxUSE_VALIDATORS
  68     if ( ret )
  69         SetValidator(validator);
  70 #endif // wxUSE_VALIDATORS
  71
  72     return ret;
  73 }
  74
  75 bool wxControlBase::CreateControl(wxWindowBase *parent,
  76                                   wxWindowID id,
  77                                   const wxPoint& pos,
  78                                   const wxSize& size,
  79                                   long style,
  80                                   const wxValidator& validator,
  81                                   const wxString& name)
  82 {
  83     // even if it's possible to create controls without parents in some port,
  84     // it should surely be discouraged because it doesn't work at all under
  85     // Windows
  86     wxCHECK_MSG( parent, FALSE, wxT("all controls must have parents") );
  87
  88     if ( !CreateBase(parent, id, pos, size, style, validator, name) )
  89         return FALSE;
  90
  91     parent->AddChild(this);
  92
  93     return TRUE;
  94 }
  95
  96 // inherit colour and font settings from the parent window
  97 void wxControlBase::InheritAttributes()
  98 {
  99     if ( ShouldInheritColours() )
 100     {
 101         wxWindow *parent = GetParent();
 102
 103         wxCHECK_RET( parent, _T("a control without parent?") );
 104
 105         SetBackgroundColour(parent->GetBackgroundColour());
 106         SetForegroundColour(parent->GetForegroundColour());
 107     }
 108
 109 #ifdef __WXPM__
 110     //
 111     // All OS/2 ctrls use the small font
 112     //
 113     SetFont(*wxSMALL_FONT);
 114 #else
 115     SetFont(GetParent()->GetFont());
 116 #endif
 117 }
 118
 119 void wxControlBase::Command(wxCommandEvent& event)
 120 {
 121     (void)GetEventHandler()->ProcessEvent(event);
 122 }
 123
 124 void wxControlBase::InitCommandEvent(wxCommandEvent& event) const
 125 {
 126     event.SetEventObject((wxControlBase *)this);    // const_cast
 127
 128     // event.SetId(GetId()); -- this is usuall done in the event ctor
 129
 130     switch ( m_clientDataType )
 131     {
 132         case wxClientData_Void:
 133             event.SetClientData(GetClientData());
 134             break;
 135
 136         case wxClientData_Object:
 137             event.SetClientObject(GetClientObject());
 138             break;
 139
 140         case wxClientData_None:
 141             // nothing to do
 142             ;
 143     }
 144 }
 145
 146 // ----------------------------------------------------------------------------
 147 // wxStaticBitmap
 148 // ----------------------------------------------------------------------------
 149
 150 #if wxUSE_STATBMP
 151
 152 wxStaticBitmapBase::~wxStaticBitmapBase()
 153 {
 154     // this destructor is required for Darwin
 155 }
 156
 157 wxSize wxStaticBitmapBase::DoGetBestClientSize() const
 158 {
 159     wxBitmap bmp = GetBitmap();
 160     if ( bmp.Ok() )
 161         return wxSize(bmp.GetWidth(), bmp.GetHeight());
 162
 163     // this is completely arbitrary
 164     return wxSize(16, 16);
 165 }
 166
 167 #endif // wxUSE_STATBMP
 168
 169 #endif // wxUSE_CONTROLS
 170