X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..d642db66a5efc82d374b813022c72ba88bc50839:/include/wx/generic/scrolwin.h

diff --git a/include/wx/generic/scrolwin.h b/include/wx/generic/scrolwin.h
index 435d3f38ff..c4f4a0b292 100644
--- a/include/wx/generic/scrolwin.h
+++ b/include/wx/generic/scrolwin.h
@@ -1,141 +1,53 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        scrolwin.h
-// Purpose:     wxScrolledWindow class
-// Author:      Julian Smart
-// Modified by:
-// Created:     01/02/97
+// Name:        wx/generic/scrolwin.h
+// Purpose:     generic wxScrollHelper
+// Author:      Vadim Zeitlin
+// Created:     2008-12-24 (replacing old file with the same name)
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:   	wxWindows license
+// Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef __SCROLWINH_G__
-#define __SCROLWINH_G__
+#ifndef _WX_GENERIC_SCROLLWIN_H_
+#define _WX_GENERIC_SCROLLWIN_H_
 
-#ifdef __GNUG__
-#pragma interface "scrolwin.h"
-#endif
+// ----------------------------------------------------------------------------
+// generic wxScrollHelper implementation
+// ----------------------------------------------------------------------------
 
-#include "wx/window.h"
-
-WXDLLEXPORT_DATA(extern const char*) wxPanelNameStr;
-
-class WXDLLEXPORT wxScrolledWindow: public wxWindow
+class WXDLLIMPEXP_CORE wxScrollHelper : public wxScrollHelperBase
 {
-  DECLARE_ABSTRACT_CLASS(wxScrolledWindow)
-
 public:
-  wxScrolledWindow(void);
-  inline wxScrolledWindow(wxWindow *parent, wxWindowID id = -1,
-           const wxPoint& pos = wxDefaultPosition,
-           const wxSize& size = wxDefaultSize,
-           long style = wxHSCROLL|wxVSCROLL,
-           const wxString& name = wxPanelNameStr)
-  {
-      Create(parent, id, pos, size, style, name);
-  }
-
-  inline ~wxScrolledWindow(void) {}
-
-  bool Create(wxWindow *parent, wxWindowID id,
-           const wxPoint& pos = wxDefaultPosition,
-           const wxSize& size = wxDefaultSize,
-           long style = wxHSCROLL|wxVSCROLL,
-           const wxString& name = wxPanelNameStr);
-
-  // Set client size
-  // Should take account of scrollbars
-//  virtual void SetClientSize(int width, 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(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);
-
-#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);
+    wxScrollHelper(wxWindow *winToScroll);
 
-  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);
+    // implement base class pure virtuals
+    virtual void AdjustScrollbars();
 
-  // 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(int x, int y, int *xx, int *yy) const ;
-  virtual void CalcUnscrolledPosition(int x, 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()
+    virtual void DoScroll(int x, int y);
+    virtual void DoShowScrollbars(wxScrollbarVisibility horz,
+                                  wxScrollbarVisibility vert);
+
+private:
+    // helper of AdjustScrollbars(): does the work for the single scrollbar
+    //
+    // notice that the parameters passed by non-const references are modified
+    // by this function
+    void DoAdjustScrollbar(int orient,
+                           int clientSize,
+                           int virtSize,
+                           int pixelsPerUnit,
+                           int& scrollUnits,
+                           int& scrollPosition,
+                           int& scrollLinesPerPage,
+                           wxScrollbarVisibility visibility);
+
+
+    wxScrollbarVisibility m_xVisibility,
+                          m_yVisibility;
+
+    wxDECLARE_NO_COPY_CLASS(wxScrollHelper);
 };
 
-////////////////////////////////////////////////////////////////////////
-//// INLINES
+#endif // _WX_GENERIC_SCROLLWIN_H_
 
-#endif
-    // __SCROLWINH_G__