hack to fix crash when creating a DC for a widgetless window

[wxWidgets.git] / include / wx / window.h

diff --git a/include/wx/window.h b/include/wx/window.h
index f707a1c24ab53fcb8b20fe246818667730ffef18..3a1e9362bbf9cfcda1f0ab57729c778169ea072c 100644 (file)
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -271,11 +271,19 @@ public:
             *h = s.y;
     }
 
-        // centre with respect to the the parent window
+        // the generic centre function - centers the window on parent by
+        // default or on screen if it doesn't have parent or
+        // wxCENTER_ON_SCREEN flag is given
     void Centre( int direction = wxBOTH );
     void Center( int direction = wxBOTH ) { Centre(direction); }
-    void CentreOnParent( int dir = wxBOTH ) { Centre(dir | wxCENTER_FRAME); }
-    void CenterOnParent( int dir = wxBOTH ) { Centre(dir | wxCENTER_FRAME); }
+
+        // centre on screen (only works for top level windows)
+    void CentreOnScreen(int dir = wxBOTH) { Centre(dir | wxCENTER_ON_SCREEN); }
+    void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
+
+        // centre with respect to the the parent window
+    void CentreOnParent(int dir = wxBOTH) { Centre(dir | wxCENTER_FRAME); }
+    void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }
 
         // set window size to wrap around its children
     virtual void Fit();
@@ -315,9 +323,12 @@ public:
     long GetWindowStyle() const { return GetWindowStyleFlag(); }
 
     bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
+    virtual bool IsRetained() const { return HasFlag(wxRETAINED); }
 
-    virtual bool IsRetained() const
-        { return (m_windowStyle & wxRETAINED) != 0; }
+        // extra style: the less often used style bits which can't be set with
+        // SetWindowStyleFlag()
+    void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
+    long GetExtraStyle() const { return m_exStyle; }
 
         // make the window modal (all other windows unresponsive)
     virtual void MakeModal(bool modal = TRUE);
@@ -649,6 +660,7 @@ public:
         // event handlers
     void OnSysColourChanged( wxSysColourChangedEvent& event );
     void OnInitDialog( wxInitDialogEvent &event );
+    void OnMiddleClick( wxMouseEvent& event );
 
         // get the haqndle of the window for the underlying window system: this
         // is only used for wxWin itself or for user code which wants to call
@@ -739,7 +751,8 @@ protected:
     bool                 m_isBeingDeleted:1;
 
     // window attributes
-    long                 m_windowStyle;
+    long                 m_windowStyle,
+                         m_exStyle;
     wxString             m_windowName;
 
 protected: