src/motif/control.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        control.cpp
   3 // Purpose:     wxControl class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "control.h"
  14 #endif
  15
  16 #include "wx/control.h"
  17 #include "wx/panel.h"
  18 #include "wx/utils.h"
  19
  20 #ifdef __VMS__
  21 #pragma message disable nosimpint
  22 #endif
  23 #include <Xm/Xm.h>
  24 #ifdef __VMS__
  25 #pragma message enable nosimpint
  26 #endif
  27
  28 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
  29
  30 BEGIN_EVENT_TABLE(wxControl, wxWindow)
  31 END_EVENT_TABLE()
  32
  33 // Item members
  34 wxControl::wxControl()
  35 {
  36     m_backgroundColour = *wxWHITE;
  37     m_foregroundColour = *wxBLACK;
  38
  39 #if WXWIN_COMPATIBILITY
  40     m_callback = 0;
  41 #endif // WXWIN_COMPATIBILITY
  42
  43     m_inSetValue = FALSE;
  44 }
  45
  46 bool wxControl::Create( wxWindow *parent,
  47                       wxWindowID id,
  48                       const wxPoint &pos,
  49                       const wxSize &size,
  50                       long style,
  51                       const wxValidator& validator,
  52                       const wxString &name)
  53 {
  54     bool ret = wxWindow::Create(parent, id, pos, size, style, name);
  55
  56 #if wxUSE_VALIDATORS
  57     SetValidator(validator);
  58 #endif
  59
  60     return ret;
  61 }
  62
  63 wxControl::~wxControl()
  64 {
  65     // If we delete an item, we should initialize the parent panel,
  66     // because it could now be invalid.
  67     wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
  68     if (panel)
  69     {
  70         if ( (wxControl *)panel->GetDefaultItem() == this)
  71             panel->SetDefaultItem((wxButton*) NULL);
  72     }
  73 }
  74
  75 void wxControl::SetLabel(const wxString& label)
  76 {
  77     Widget widget = (Widget) GetLabelWidget() ;
  78     if (!widget)
  79         return;
  80
  81     wxStripMenuCodes((char*) (const char*) label, wxBuffer);
  82
  83     XmString text = XmStringCreateSimple (wxBuffer);
  84     XtVaSetValues (widget,
  85         XmNlabelString, text,
  86         XmNlabelType, XmSTRING,
  87         NULL);
  88     XmStringFree (text);
  89 }
  90
  91 wxString wxControl::GetLabel() const
  92 {
  93     Widget widget = (Widget) GetLabelWidget() ;
  94     if (!widget)
  95         return wxEmptyString;
  96
  97     XmString text;
  98     char *s;
  99     XtVaGetValues (widget,
 100         XmNlabelString, &text,
 101         NULL);
 102
 103     if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
 104     {
 105         wxString str(s);
 106         XtFree (s);
 107         XmStringFree(text);
 108         return str;
 109     }
 110     else
 111     {
 112       //        XmStringFree(text);
 113         return wxEmptyString;
 114     }
 115 }
 116
 117 bool wxControl::ProcessCommand(wxCommandEvent & event)
 118 {
 119 #if WXWIN_COMPATIBILITY
 120     if ( m_callback )
 121     {
 122         (void)(*m_callback)(this, event);
 123
 124         return TRUE;
 125     }
 126     else
 127 #endif // WXWIN_COMPATIBILITY
 128
 129     return GetEventHandler()->ProcessEvent(event);
 130 }