Native wxControl::DoGetBestSize() implementation

using XtQueryGeometry().


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27037 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/motif/control.h

@@ -44,10 +44,10 @@ public:
         const wxValidator& validator = wxDefaultValidator,
         const wxString& name = wxControlNameStr);
     
-    // simulates the event, returns TRUE if the event was processed
+    // simulates the event, returns true if the event was processed
     virtual void Command(wxCommandEvent& WXUNUSED(event)) { }
     
-    // calls the callback and appropriate event handlers, returns TRUE if
+    // calls the callback and appropriate event handlers, returns true if
     // event was processed
     virtual bool ProcessCommand(wxCommandEvent& event);
     
@@ -67,6 +67,9 @@ protected:
                        const wxValidator& validator,
                        const wxString& name);
 
+    // native implementation using XtQueryGeometry
+    virtual wxSize DoGetBestSize() const;
+
     // Motif: prevent callbacks being called while in SetValue
     bool m_inSetValue;
     

src/motif/control.cpp

@@ -43,7 +43,7 @@ wxControl::wxControl()
     m_backgroundColour = *wxWHITE;
     m_foregroundColour = *wxBLACK;
 
-    m_inSetValue = FALSE;
+    m_inSetValue = false;
 }
 
 bool wxControl::Create( wxWindow *parent,
@@ -73,13 +73,13 @@ bool wxControl::CreateControl(wxWindow *parent,
 {
     if( !wxControlBase::CreateControl( parent, id, pos, size, style,
                                        validator, name ) )
-        return FALSE;
+        return false;
 
     m_backgroundColour = parent->GetBackgroundColour();
     m_foregroundColour = parent->GetForegroundColour();
     m_font = parent->GetFont();
 
-    return TRUE;
+    return true;
 }
 
 void wxControl::SetLabel(const wxString& label)
@@ -114,3 +114,16 @@ bool wxControl::ProcessCommand(wxCommandEvent & event)
 {
     return GetEventHandler()->ProcessEvent(event);
 }
+
+wxSize wxControl::DoGetBestSize() const
+{
+    Widget w = (Widget)GetTopWidget();
+
+    // Do not return any arbitrary default value...
+    wxASSERT_MSG (w, wxT("DoGetBestSize called before creation"));
+
+    XtWidgetGeometry preferred;
+    XtQueryGeometry (w, NULL, &preferred);
+
+    return wxSize(preferred.width, preferred.height);
+}