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/defs.h"
  17
  18 #include "wx/control.h"
  19 #include "wx/panel.h"
  20 #include "wx/utils.h"
  21
  22 #ifdef __VMS__
  23 #pragma message disable nosimpint
  24 #endif
  25 #include <Xm/Xm.h>
  26 #ifdef __VMS__
  27 #pragma message enable nosimpint
  28 #endif
  29
  30 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
  31
  32 BEGIN_EVENT_TABLE(wxControl, wxWindow)
  33 END_EVENT_TABLE()
  34
  35 // Item members
  36 wxControl::wxControl()
  37 {
  38     m_backgroundColour = *wxWHITE;
  39     m_foregroundColour = *wxBLACK;
  40
  41 #if WXWIN_COMPATIBILITY
  42     m_callback = 0;
  43 #endif // WXWIN_COMPATIBILITY
  44
  45     m_inSetValue = FALSE;
  46 }
  47
  48 bool wxControl::Create( wxWindow *parent,
  49                       wxWindowID id,
  50                       const wxPoint &pos,
  51                       const wxSize &size,
  52                       long style,
  53                       const wxValidator& validator,
  54                       const wxString &name)
  55 {
  56     bool ret = wxWindow::Create(parent, id, pos, size, style, name);
  57
  58 #if wxUSE_VALIDATORS
  59     SetValidator(validator);
  60 #endif
  61
  62     return ret;
  63 }
  64
  65 wxControl::~wxControl()
  66 {
  67     // If we delete an item, we should initialize the parent panel,
  68     // because it could now be invalid.
  69     wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
  70     if (panel)
  71     {
  72         if ( (wxControl *)panel->GetDefaultItem() == this)
  73             panel->SetDefaultItem((wxButton*) NULL);
  74     }
  75 }
  76
  77 void wxControl::SetLabel(const wxString& label)
  78 {
  79     Widget widget = (Widget) GetLabelWidget() ;
  80     if (!widget)
  81         return;
  82
  83     wxStripMenuCodes((char*) (const char*) label, wxBuffer);
  84
  85     XmString text = XmStringCreateSimple (wxBuffer);
  86     XtVaSetValues (widget,
  87         XmNlabelString, text,
  88         XmNlabelType, XmSTRING,
  89         NULL);
  90     XmStringFree (text);
  91 }
  92
  93 wxString wxControl::GetLabel() const
  94 {
  95     Widget widget = (Widget) GetLabelWidget() ;
  96     if (!widget)
  97         return wxEmptyString;
  98
  99     XmString text;
 100     char *s;
 101     XtVaGetValues (widget,
 102         XmNlabelString, &text,
 103         NULL);
 104
 105     if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
 106     {
 107         wxString str(s);
 108         XtFree (s);
 109         XmStringFree(text);
 110         return str;
 111     }
 112     else
 113     {
 114       //        XmStringFree(text);
 115         return wxEmptyString;
 116     }
 117 }
 118
 119 bool wxControl::ProcessCommand(wxCommandEvent & event)
 120 {
 121 #if WXWIN_COMPATIBILITY
 122     if ( m_callback )
 123     {
 124         (void)(*m_callback)(this, event);
 125
 126         return TRUE;
 127     }
 128     else
 129 #endif // WXWIN_COMPATIBILITY
 130
 131     return GetEventHandler()->ProcessEvent(event);
 132 }