wxScrolledWindow is now a native widget under GTK.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9928 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk1/scrolwin.h

@@ -0,0 +1,139 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/generic/scrolwin.h
+// Purpose:     wxScrolledWindow class
+// Author:      Robert Roebling
+// Modified by:
+// Created:     01/02/97
+// RCS-ID:      $Id$
+// Copyright:   (c) Robert Roebling
+// Licence:     wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GTK_SCROLLWIN_H_
+#define _WX_GTK_SCROLLWIN_H_
+
+#ifdef __GNUG__
+    #pragma interface "scrolwin.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// headers and constants
+// ----------------------------------------------------------------------------
+
+#include "wx/window.h"
+#include "wx/panel.h"
+
+WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
+
+// default scrolled window style
+#define wxScrolledWindowStyle (wxHSCROLL | wxVSCROLL)
+
+// ----------------------------------------------------------------------------
+// wxScrolledWindow
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxScrolledWindow : public wxPanel
+{
+public:
+    wxScrolledWindow();
+    wxScrolledWindow(wxWindow *parent,
+                     wxWindowID id = -1,
+                     const wxPoint& pos = wxDefaultPosition,
+                     const wxSize& size = wxDefaultSize,
+                     long style = wxScrolledWindowStyle,
+                     const wxString& name = wxPanelNameStr)
+    {
+        Create(parent, id, pos, size, style, name);
+    }
+
+    ~wxScrolledWindow();
+
+    bool Create(wxWindow *parent,
+                wxWindowID id,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = wxScrolledWindowStyle,
+                const wxString& name = wxPanelNameStr);
+
+    // Normally the wxScrolledWindow will scroll itself, but in
+    // some rare occasions you might want it to scroll another
+    // window (e.g. a child of it in order to scroll only a portion
+    // the area between the scrollbars (spreadsheet: only cell area
+    // will move).
+    virtual void SetTargetWindow( wxWindow *target );
+    virtual wxWindow *GetTargetWindow();
+
+    // 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
+    virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
+                             int noUnitsX, int noUnitsY,
+                             int xPos = 0, int yPos = 0,
+                             bool noRefresh = FALSE );
+
+    // Physically scroll the window
+    virtual void Scroll(int x_pos, int y_pos);
+
+    int GetScrollPageSize(int orient) const;
+    void SetScrollPageSize(int orient, int pageSize);
+
+    virtual void GetScrollPixelsPerUnit(int *x_unit, int *y_unit) const;
+
+    // Enable/disable Windows scrolling in either direction.
+    // If TRUE, wxWindows 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 actually scroll a non-constant distance
+    virtual void EnableScrolling(bool x_scrolling, bool y_scrolling);
+
+    // 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;
+
+    // Override this function to draw the graphic (or just process EVT_PAINT)
+    virtual void OnDraw(wxDC& WXUNUSED(dc)) {}
+
+    // Override this function if you don't want to have wxScrolledWindow
+    // automatically change the origin according to the scroll position.
+    virtual void PrepareDC(wxDC& dc);
+
+    // Adjust the scrollbars
+    virtual void AdjustScrollbars();
+    
+    // implementation from now on
+    void OnSize(wxSizeEvent& event);
+    void OnPaint(wxPaintEvent& event);
+    void OnChar(wxKeyEvent& event);
+    
+    void GtkVScroll( float value );
+    void GtkHScroll( float value );
+
+protected:
+    wxWindow             *m_targetWindow;
+    int                   m_xScrollPixelsPerLine;
+    int                   m_yScrollPixelsPerLine;
+    bool                  m_xScrollingEnabled;
+    bool                  m_yScrollingEnabled;
+    int                   m_xScrollPosition;
+    int                   m_yScrollPosition;
+    int                   m_xScrollLines;
+    int                   m_yScrollLines;
+    int                   m_xScrollLinesPerPage;
+    int                   m_yScrollLinesPerPage;
+
+private:
+    DECLARE_EVENT_TABLE()
+    DECLARE_ABSTRACT_CLASS(wxScrolledWindow)
+};
+
+#endif
+    // _WX_GTK_SCROLLWIN_H_