Some refresh optimizations.

[wxWidgets.git] / include / wx / gtk / scrolwin.h

diff --git a/include/wx/gtk/scrolwin.h b/include/wx/gtk/scrolwin.h
index c6dc4185474aef9b8e97d2230ad2a2d39666bef4..e667b760e05d15b026b65cb57fcdd18a2dc8be3e 100644 (file)
--- a/include/wx/gtk/scrolwin.h
+++ b/include/wx/gtk/scrolwin.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        wx/generic/scrolwin.h
+// Name:        wx/gtk/scrolwin.h
 // Purpose:     wxScrolledWindow class
 // Author:      Robert Roebling
 // Modified by:
@@ -65,9 +65,17 @@ public:
     virtual void SetTargetWindow( wxWindow *target, bool pushEventHandler = FALSE );
     virtual wxWindow *GetTargetWindow();
 
+    // Set the scrolled area of the window.
+    virtual void DoSetVirtualSize( int x, int y );
+
+    // Set the x, y scrolling increments.
+    void SetScrollRate( int xstep, int ystep );
+
     // Number of pixels per user unit (0 or -1 for no scrollbar)
     // Length of virtual canvas in user units
     // Length of page in user units
+    // Default action is to set the virtual size and alter scrollbars
+    // accordingly.
     virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
                              int noUnitsX, int noUnitsY,
                              int xPos = 0, int yPos = 0,
@@ -91,15 +99,28 @@ public:
 
     // Get the view start
     virtual void GetViewStart(int *x, int *y) const;
-    // Compatibility
-    void ViewStart(int *x, int *y) const
-       { GetViewStart( x, y ); }
 
-    // Actual size in pixels when scrolling is taken into account
-    virtual void GetVirtualSize(int *x, int *y) const;
-
-    virtual void CalcScrolledPosition(int x, int y, int *xx, int *yy) const;
-    virtual void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const;
+    // translate between scrolled and unscrolled coordinates
+    void CalcScrolledPosition(int x, int y, int *xx, int *yy) const
+        {  DoCalcScrolledPosition(x, y, xx, yy); }
+    wxPoint CalcScrolledPosition(const wxPoint& pt) const
+    {
+        wxPoint p2;
+        DoCalcScrolledPosition(pt.x, pt.y, &p2.x, &p2.y);
+        return p2;
+    }
+
+    void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
+        {  DoCalcUnscrolledPosition(x, y, xx, yy); }
+    wxPoint CalcUnscrolledPosition(const wxPoint& pt) const
+    {
+        wxPoint p2;
+        DoCalcUnscrolledPosition(pt.x, pt.y, &p2.x, &p2.y);
+        return p2;
+    }
+
+    virtual void DoCalcScrolledPosition(int x, int y, int *xx, int *yy) const;
+    virtual void DoCalcUnscrolledPosition(int x, int y, int *xx, int *yy) const;
 
     // Override this function to draw the graphic (or just process EVT_PAINT)
     virtual void OnDraw(wxDC& WXUNUSED(dc)) {}
@@ -108,6 +129,9 @@ public:
     // automatically change the origin according to the scroll position.
     virtual void PrepareDC(wxDC& dc);
 
+    // lay out the window and its children
+    virtual bool Layout();
+
     // Adjust the scrollbars
     virtual void AdjustScrollbars();
 
@@ -135,16 +159,23 @@ public:
     // Overridden from wxWindows due callback being static
     virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
 
+#if WXWIN_COMPATIBILITY_2_2
+    // Compatibility
+    void ViewStart(int *x, int *y) const { GetViewStart( x, y ); }
+#endif // WXWIN_COMPATIBILITY_2_2
+
 protected:
     wxWindow             *m_targetWindow;
     int                   m_xScrollPixelsPerLine;
     int                   m_yScrollPixelsPerLine;
     bool                  m_xScrollingEnabled;
     bool                  m_yScrollingEnabled;
+
+    // FIXME: these next four members are duplicated in the GtkAdjustment
+    //        members of wxWindow.  Can they be safely removed from here?
+
     int                   m_xScrollPosition;
     int                   m_yScrollPosition;
-    int                   m_xScrollLines;
-    int                   m_yScrollLines;
     int                   m_xScrollLinesPerPage;
     int                   m_yScrollLinesPerPage;
 
@@ -157,3 +188,5 @@ private:
 
 #endif
     // _WX_GTK_SCROLLWIN_H_
+
+// vi:sts=4:sw=4:et