Initial revision

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/scrolwin.h

@@ -0,0 +1,141 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        scrolwin.h
+// Purpose:     wxScrolledWindow class
+// Author:      Julian Smart
+// Modified by:
+// Created:     01/02/97
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart and Markus Holzem
+// Licence:   	wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __SCROLWINH_G__
+#define __SCROLWINH_G__
+
+#ifdef __GNUG__
+#pragma interface "scrolwin.h"
+#endif
+
+#include "wx/window.h"
+
+WXDLLEXPORT_DATA(extern const char*) wxPanelNameStr;
+
+class WXDLLEXPORT wxScrolledWindow: public wxWindow
+{
+  DECLARE_ABSTRACT_CLASS(wxScrolledWindow)
+
+public:
+  wxScrolledWindow(void);
+  inline wxScrolledWindow(wxWindow *parent, const wxWindowID id = -1,
+           const wxPoint& pos = wxDefaultPosition,
+           const wxSize& size = wxDefaultSize,
+           const long style = wxHSCROLL|wxVSCROLL,
+           const wxString& name = wxPanelNameStr)
+  {
+      Create(parent, id, pos, size, style, name);
+  }
+
+  inline ~wxScrolledWindow(void) {}
+
+  bool Create(wxWindow *parent, const wxWindowID id,
+           const wxPoint& pos = wxDefaultPosition,
+           const wxSize& size = wxDefaultSize,
+           const long style = wxHSCROLL|wxVSCROLL,
+           const wxString& name = wxPanelNameStr);
+
+  // Set client size
+  // Should take account of scrollbars
+//  virtual void SetClientSize(const int width, const int size);
+
+  // Is the window retained?
+//  inline bool IsRetained(void) const;
+
+  // 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(const int pixelsPerUnitX, const int pixelsPerUnitY,
+                             const int noUnitsX, const int noUnitsY,
+                             const int xPos = 0, const int yPos = 0, 
+			     const bool noRefresh = FALSE );
+
+  // Physically scroll the window
+  virtual void Scroll(const int x_pos, const int y_pos);
+
+#if WXWIN_COMPATIBILITY
+  virtual void GetScrollUnitsPerPage(int *x_page, int *y_page) const;
+#endif
+
+  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(const bool x_scrolling, const bool y_scrolling);
+
+  // Get the view start
+  virtual void ViewStart(int *x, int *y) const;
+
+  // Actual size in pixels when scrolling is taken into account
+  virtual void GetVirtualSize(int *x, int *y) const;
+
+  virtual void CalcScrolledPosition(const int x, const int y, int *xx, int *yy) const ;
+  virtual void CalcUnscrolledPosition(const int x, const int y, float *xx, float *yy) const ;
+
+  // Adjust the scrollbars
+  virtual void AdjustScrollbars(void);
+
+/*
+#if WXWIN_COMPATIBILITY
+  virtual void OldOnScroll(wxCommandEvent& WXUNUSED(event));
+  virtual void OldOnPaint(void);                 // Called when needs painting
+  virtual void OldOnSize(int width, int height);           // Called on resize
+  virtual void OldOnMouseEvent(wxMouseEvent& event);  // Called on mouse event
+  virtual void OldOnChar(wxKeyEvent& event);     // Called on character event
+#endif
+*/
+
+  void OnScroll(wxScrollEvent& event);
+  void OnSize(wxSizeEvent& event);
+  void OnPaint(wxPaintEvent& event);
+
+  // Override this function to draw the graphic.
+  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);
+
+public:
+  ////////////////////////////////////////////////////////////////////////
+  //// IMPLEMENTATION
+  
+  // Calculate scroll increment
+  virtual int CalcScrollInc(wxScrollEvent& event);
+
+  ////////////////////////////////////////////////////////////////////////
+  //// PROTECTED DATA
+protected:
+  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;
+
+DECLARE_EVENT_TABLE()
+};
+
+////////////////////////////////////////////////////////////////////////
+//// INLINES
+
+#endif
+    // __SCROLWINH_G__