Don't crash in wxMenuBar::Remove() if unattached in wxGTK.

[wxWidgets.git] / src / osx / slider_osx.cpp

diff --git a/src/osx/slider_osx.cpp b/src/osx/slider_osx.cpp
index 68540720b08af40b3adbd3aeb9f7d704d1609dc2..02c964e74a24ec5332c459928060c10c2a0e6159 100644 (file)
--- a/src/osx/slider_osx.cpp
+++ b/src/osx/slider_osx.cpp
@@ -16,8 +16,6 @@
 #include "wx/slider.h"
 #include "wx/osx/private.h"
 
-IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
-
 BEGIN_EVENT_TABLE(wxSlider, wxControl)
 END_EVENT_TABLE()
 
@@ -59,9 +57,9 @@ bool wxSlider::Create(wxWindow *parent,
     const wxSize& size, long style,
     const wxValidator& validator,
     const wxString& name)
-{
-    m_macIsUserPane = false;
-
+{    
+    DontCreatePeer();
+    
     m_macMinimumStatic = NULL;
     m_macMaximumStatic = NULL;
     m_macValueStatic = NULL;
@@ -105,8 +103,9 @@ bool wxSlider::Create(wxWindow *parent,
     if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
         return false;
 
-    m_peer = wxWidgetImpl::CreateSlider( this, parent, id, value, minValue, maxValue, pos, size, style, GetExtraStyle() );
+    SetPeer(wxWidgetImpl::CreateSlider( this, parent, id, value, minValue, maxValue, pos, size, style, GetExtraStyle() ));
 
+#if 0
     if (style & wxSL_VERTICAL)
         // Forces SetSize to use the proper width
         SetSizeHints(10, -1, 10, -1);
@@ -117,7 +116,8 @@ bool wxSlider::Create(wxWindow *parent,
     // NB: SetSizeHints is overloaded by wxSlider and will substitute 10 with the
     // proper dimensions, it also means other people cannot bugger the slider with
     // other values
-
+#endif
+    
     if (style & wxSL_LABELS)
     {
         m_macMinimumStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
@@ -148,7 +148,7 @@ wxSlider::~wxSlider()
 int wxSlider::GetValue() const
 {
     // We may need to invert the value returned by the widget
-    return ValueInvertOrNot( m_peer->GetValue() ) ;
+    return ValueInvertOrNot( GetPeer()->GetValue() ) ;
 }
 
 void wxSlider::SetValue(int value)
@@ -161,18 +161,24 @@ void wxSlider::SetValue(int value)
     }
 
     // We only invert for the setting of the actual native widget
-    m_peer->SetValue( ValueInvertOrNot( value ) );
+    GetPeer()->SetValue( ValueInvertOrNot( value ) );
 }
 
 void wxSlider::SetRange(int minValue, int maxValue)
 {
+    // Changing the range preserves the value of the native control but may
+    // change our logical value if we're inverting the native value to get it
+    // as ValueInvertOrNot() depends on the range so preserve it before
+    // changing the range.
+    const int valueOld = GetValue();
+
     wxString value;
 
     m_rangeMin = minValue;
     m_rangeMax = maxValue;
 
-    m_peer->SetMinimum( m_rangeMin );
-    m_peer->SetMaximum( m_rangeMax );
+    GetPeer()->SetMinimum( m_rangeMin );
+    GetPeer()->SetMaximum( m_rangeMax );
 
     if (m_macMinimumStatic)
     {
@@ -196,10 +202,13 @@ void wxSlider::SetRange(int minValue, int maxValue)
         SetValue(m_rangeMin);
     else if(currentValue > m_rangeMax)
         SetValue(m_rangeMax);
+
+    // Ensure that our value didn't change.
+    SetValue(valueOld);
 }
 
 // For trackbars only
-void wxSlider::SetTickFreq(int n, int WXUNUSED(pos))
+void wxSlider::DoSetTickFreq(int n)
 {
     // TODO
     m_tickFreq = n;
@@ -281,7 +290,7 @@ void wxSlider::TriggerScrollEvent( wxEventType scrollEvent)
 {
     // Whatever the native value is, we may need to invert it for calling
     // SetValue and putting the possibly inverted value in the event
-    int value = ValueInvertOrNot( m_peer->GetValue() );
+    int value = ValueInvertOrNot( GetPeer()->GetValue() );
 
     SetValue( value );
 
@@ -429,7 +438,7 @@ void wxSlider::DoSetSize(int x, int y, int w, int h, int sizeFlags)
 
         if (GetWindowStyle() & wxSL_VERTICAL)
             // If vertical, use current value
-            text.Printf(wxT("%d"), (int)m_peer->GetValue());
+            text.Printf(wxT("%d"), (int)GetPeer()->GetValue());
         else
             // Use max so that the current value doesn't drift as centering would need to change
             text.Printf(wxT("%d"), m_rangeMax);
@@ -469,6 +478,7 @@ void wxSlider::DoSetSize(int x, int y, int w, int h, int sizeFlags)
     // yet another hack since this is a composite control
     // when wxSlider has it's size hardcoded, we're not allowed to
     // change the size. But when the control has labels, we DO need
+    
     // to resize the internal Mac control to accommodate the text labels.
     // We need to trick the wxWidgets resize mechanism so that we can
     // resize the slider part of the control ONLY.