Next round of RTL fixes. This change greatly simplifes

[wxWidgets.git] / src / common / wincmn.cpp

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 82aa246a647b75e0aa6bd3247f77357cd257bc4a..7d16c18b26dda0d56cbf6e36a2770294019c2575 100644 (file)
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -200,6 +200,8 @@ wxWindowBase::wxWindowBase()
 
     m_virtualSize = wxDefaultSize;
 
+    m_scrollHelper = (wxScrollHelper *) NULL;
+
     m_minVirtualWidth =
     m_maxVirtualWidth = wxDefaultCoord;
     m_minVirtualHeight =
@@ -744,6 +746,13 @@ bool wxWindowBase::Enable(bool enable)
         return false;
     }
 }
+
+bool wxWindowBase::IsShownOnScreen() const
+{
+    return IsShown() &&
+           (GetParent() == NULL || GetParent()->IsShownOnScreen());
+}
+
 // ----------------------------------------------------------------------------
 // RTTI
 // ----------------------------------------------------------------------------
@@ -1140,12 +1149,12 @@ wxRect wxWindowBase::GetUpdateClientRect() const
     return rectUpdate;
 }
 
-bool wxWindowBase::IsExposed(int x, int y) const
+bool wxWindowBase::DoIsExposed(int x, int y) const
 {
     return m_updateRegion.Contains(x, y) != wxOutRegion;
 }
 
-bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
+bool wxWindowBase::DoIsExposed(int x, int y, int w, int h) const
 {
     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
 }
@@ -1650,12 +1659,21 @@ void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
     if ( sizer == m_windowSizer)
         return;
 
-    if ( deleteOld )
-        delete m_windowSizer;
+    if ( m_windowSizer )
+    {
+        m_windowSizer->SetContainingWindow(NULL);
+
+        if ( deleteOld )
+            delete m_windowSizer;
+    }
 
     m_windowSizer = sizer;
+    if ( m_windowSizer )
+    {
+        m_windowSizer->SetContainingWindow((wxWindow *)this);
+    }
 
-    SetAutoLayout( sizer != NULL );
+    SetAutoLayout(m_windowSizer != NULL);
 }
 
 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
@@ -2971,3 +2989,21 @@ wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
 }
 
 #endif // wxUSE_ACCESSIBILITY
+
+// ----------------------------------------------------------------------------
+// RTL support
+// ----------------------------------------------------------------------------
+
+wxCoord
+wxWindowBase::AdjustForLayoutDirection(wxCoord x,
+                                       wxCoord width,
+                                       wxCoord widthTotal) const
+{
+    if ( GetLayoutDirection() == wxLayout_RightToLeft )
+    {
+        x = widthTotal - x - width;
+    }
+
+    return x;
+}
+