Crash fix under VC++

[wxWidgets.git] / src / motif / control.cpp

diff --git a/src/motif/control.cpp b/src/motif/control.cpp
index 310c2c686195d0a412b4bc313d413d7f2e302c41..2f503b86ae1f75de14e5bff5a7c853cdcafe0124 100644 (file)
--- a/src/motif/control.cpp
+++ b/src/motif/control.cpp
@@ -9,10 +9,13 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "control.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #include "wx/defs.h"
 
 #include "wx/control.h"
@@ -27,6 +30,8 @@
 #pragma message enable nosimpint
 #endif
 
+#include "wx/motif/private.h"
+
 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
 
 BEGIN_EVENT_TABLE(wxControl, wxWindow)
@@ -38,11 +43,7 @@ wxControl::wxControl()
     m_backgroundColour = *wxWHITE;
     m_foregroundColour = *wxBLACK;
 
-#if WXWIN_COMPATIBILITY
-    m_callback = 0;
-#endif // WXWIN_COMPATIBILITY
-
-    m_inSetValue = FALSE;
+    m_inSetValue = false;
 }
 
 bool wxControl::Create( wxWindow *parent,
@@ -62,16 +63,23 @@ bool wxControl::Create( wxWindow *parent,
     return ret;
 }
 
-wxControl::~wxControl()
+bool wxControl::CreateControl(wxWindow *parent,
+                              wxWindowID id,
+                              const wxPoint& pos,
+                              const wxSize& size,
+                              long style,
+                              const wxValidator& validator,
+                              const wxString& name)
 {
-    // If we delete an item, we should initialize the parent panel,
-    // because it could now be invalid.
-    wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
-    if (panel)
-    {
-        if ( (wxControl *)panel->GetDefaultItem() == this)
-            panel->SetDefaultItem((wxButton*) NULL);
-    }
+    if( !wxControlBase::CreateControl( parent, id, pos, size, style,
+                                       validator, name ) )
+        return false;
+
+    m_backgroundColour = parent->GetBackgroundColour();
+    m_foregroundColour = parent->GetForegroundColour();
+    m_font = parent->GetFont();
+
+    return true;
 }
 
 void wxControl::SetLabel(const wxString& label)
@@ -80,14 +88,12 @@ void wxControl::SetLabel(const wxString& label)
     if (!widget)
         return;
 
-    wxStripMenuCodes((char*) (const char*) label, wxBuffer);
+    wxXmString label_str(wxStripMenuCodes(label));
 
-    XmString text = XmStringCreateSimple (wxBuffer);
     XtVaSetValues (widget,
-        XmNlabelString, text,
+        XmNlabelString, label_str(),
         XmNlabelType, XmSTRING,
         NULL);
-    XmStringFree (text);
 }
 
 wxString wxControl::GetLabel() const
@@ -96,37 +102,28 @@ wxString wxControl::GetLabel() const
     if (!widget)
         return wxEmptyString;
 
-    XmString text;
-    char *s;
+    XmString text = NULL;
     XtVaGetValues (widget,
         XmNlabelString, &text,
         NULL);
 
-    if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
-    {
-        wxString str(s);
-        XtFree (s);
-        XmStringFree(text);
-        return str;
-    }
-    else
-    {
-      //        XmStringFree(text);
-        return wxEmptyString;
-    }
+    return wxXmStringToString( text );
 }
 
 bool wxControl::ProcessCommand(wxCommandEvent & event)
 {
-#if WXWIN_COMPATIBILITY
-    if ( m_callback )
-    {
-        (void)(*m_callback)(this, event);
+    return GetEventHandler()->ProcessEvent(event);
+}
+
+wxSize wxControl::DoGetBestSize() const
+{
+    Widget w = (Widget)GetTopWidget();
 
-        return TRUE;
-    }
-    else
-#endif // WXWIN_COMPATIBILITY
+    // Do not return any arbitrary default value...
+    wxASSERT_MSG (w, wxT("DoGetBestSize called before creation"));
 
-    return GetEventHandler()->ProcessEvent(event);
+    XtWidgetGeometry preferred;
+    XtQueryGeometry (w, NULL, &preferred);
+
+    return wxSize(preferred.width, preferred.height);
 }