fixed wxImage->wxBitmap conversion for images with alpha channel

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

diff --git a/include/wx/scrolwin.h b/include/wx/scrolwin.h
index c85b28e56826602e3cbc34971053cd0f15dd266e..486050a29dccfcbdb94e0b1e0d46a8157ce67053 100644 (file)
--- a/include/wx/scrolwin.h
+++ b/include/wx/scrolwin.h
@@ -14,6 +14,7 @@
 
 #include "wx/window.h"
 
+class WXDLLEXPORT wxScrollHelperEvtHandler;
 class WXDLLEXPORT wxTimer;
 
 // ----------------------------------------------------------------------------
@@ -43,11 +44,14 @@ public:
     int GetScrollPageSize(int orient) const;
     void SetScrollPageSize(int orient, int pageSize);
 
+    // Set the x, y scrolling increments.
+    void SetScrollRate( int xstep, int ystep );
+
     // get the size of one logical unit in physical ones
     virtual void GetScrollPixelsPerUnit(int *pixelsPerUnitX,
                                         int *pixelsPerUnitY) const;
 
-    // Enable/disable Windows scrolling in either direction. If TRUE, wxWindows
+    // Enable/disable Windows scrolling in either direction. If TRUE, wxWidgets
     // scrolls the canvas and only a bit of the canvas is invalidated; no
     // Clear() is necessary. If FALSE, the whole canvas is invalidated and a
     // Clear() is necessary. Disable for when the scroll increment is used to
@@ -57,17 +61,32 @@ public:
     // Get the view start
     virtual void GetViewStart(int *x, int *y) const;
 
-    // Actual size in pixels when scrolling is taken into account
-    virtual void GetVirtualSize(int *x, int *y) const;
-
     // Set the scale factor, used in PrepareDC
     void SetScale(double xs, double ys) { m_scaleX = xs; m_scaleY = ys; }
     double GetScaleX() const { return m_scaleX; }
     double GetScaleY() const { return m_scaleY; }
 
     // translate between scrolled and unscrolled coordinates
-    virtual void CalcScrolledPosition(int x, int y, int *xx, int *yy) const;
-    virtual void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const;
+    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;
 
     // Adjust the scrollbars
     virtual void AdjustScrollbars(void);
@@ -116,9 +135,18 @@ public:
     void HandleOnMouseWheel(wxMouseEvent& event);
 #endif // wxUSE_MOUSEWHEEL
 
+    // FIXME: this is needed for now for wxPlot compilation, should be removed
+    //        once it is fixed!
+    void OnScroll(wxScrollWinEvent& event) { HandleOnScroll(event); }
+
+#if WXWIN_COMPATIBILITY_2_2
+    // Compatibility only, don't use
+    void ViewStart(int *x, int *y) const { GetViewStart( x, y ); }
+#endif // WXWIN_COMPATIBILITY_2_2
+
 protected:
     // get pointer to our scroll rect if we use it or NULL
-    const wxRect *GetRect() const
+    const wxRect *GetScrollRect() const
     {
         return m_rectToScroll.width != 0 ? &m_rectToScroll : NULL;
     }
@@ -139,6 +167,13 @@ protected:
             *h = size.y;
     }
 
+    // change just the target window (unlike SetWindow which changes m_win as
+    // well)
+    void DoSetTargetWindow(wxWindow *target);
+
+    // delete the event handler we installed
+    void DeleteEvtHandler();
+
     wxWindow             *m_win,
                          *m_targetWindow;
 
@@ -164,6 +199,10 @@ protected:
 #if wxUSE_MOUSEWHEEL
     int m_wheelRotation;
 #endif // wxUSE_MOUSEWHEEL
+
+    wxScrollHelperEvtHandler *m_handler;
+
+    DECLARE_NO_COPY_CLASS(wxScrollHelper)
 };
 
 // ----------------------------------------------------------------------------
@@ -180,17 +219,17 @@ protected:
     public:
         wxScrolledWindow() { }
         wxScrolledWindow(wxWindow *parent,
-                         wxWindowID id = -1,
+                         wxWindowID winid = -1,
                          const wxPoint& pos = wxDefaultPosition,
                          const wxSize& size = wxDefaultSize,
                          long style = wxScrolledWindowStyle,
                          const wxString& name = wxPanelNameStr)
-            : wxGenericScrolledWindow(parent, id, pos, size, style, name)
+            : wxGenericScrolledWindow(parent, winid, pos, size, style, name)
         {
         }
 
     private:
-        DECLARE_CLASS(wxScrolledWindow)
+        DECLARE_DYNAMIC_CLASS_NO_COPY(wxScrolledWindow)
     };
 
     #define wxSCROLLED_WINDOW_IS_GENERIC 1
@@ -198,3 +237,4 @@ protected:
 
 #endif
     // _WX_SCROLWIN_H_BASE_
+