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

diff --git a/include/wx/generic/scrolwin.h b/include/wx/generic/scrolwin.h
index cc1f9c324999b4f6b44f8219cd05b4f3b42097aa..fc55e3177b63e5b1f3b5e31ceb101449b6300a49 100644 (file)
--- a/include/wx/generic/scrolwin.h
+++ b/include/wx/generic/scrolwin.h
@@ -1,132 +1,96 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        scrolwin.h
-// Purpose:     wxScrolledWindow class
+// Name:        wx/generic/scrolwin.h
+// Purpose:     wxGenericScrolledWindow class

 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart
+// 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"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma interface "genscrolwin.h"

 #endif
 
 #endif
 

+// ----------------------------------------------------------------------------
+// headers and constants
+// ----------------------------------------------------------------------------
+

 #include "wx/window.h"
 #include "wx/panel.h"
 
 WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
 
 #include "wx/window.h"
 #include "wx/panel.h"
 
 WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
 

-class WXDLLEXPORT wxScrolledWindow : public wxPanel
-{
-  DECLARE_ABSTRACT_CLASS(wxScrolledWindow)
-
-public:
-  wxScrolledWindow();
-  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);
-  }
-
-  ~wxScrolledWindow() { }
-
-  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;
-  virtual void CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const ;
+// default scrolled window style
+#ifndef wxScrolledWindowStyle
+    #define wxScrolledWindowStyle (wxHSCROLL | wxVSCROLL)

 #endif
 
 #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(bool x_scrolling, 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;
-
-  // 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; }
-
-  virtual void CalcScrolledPosition(int x, int y, int *xx, int *yy) const ;
-  virtual void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const ;
-
-  // Adjust the scrollbars
-  virtual void AdjustScrollbars(void);
-
-  // 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);
+// avoid triggering this stupid VC++ warning
+#ifdef __VISUALC__
+    #pragma warning(disable:4355) // 'this' used in base member initializer list
+#endif

 
 

-  // implementation from now on
-  void OnScroll(wxScrollWinEvent& event);
-  void OnSize(wxSizeEvent& event);
-  void OnPaint(wxPaintEvent& event);
+// ----------------------------------------------------------------------------
+// wxGenericScrolledWindow
+// ----------------------------------------------------------------------------

 
 

-  // Calculate scroll increment
-  virtual int CalcScrollInc(wxScrollWinEvent& event);
+class WXDLLEXPORT wxGenericScrolledWindow : public wxPanel,
+                                            public wxScrollHelper
+{
+public:
+    wxGenericScrolledWindow() : wxScrollHelper(this) { }
+    wxGenericScrolledWindow(wxWindow *parent,
+                     wxWindowID winid = wxID_ANY,
+                     const wxPoint& pos = wxDefaultPosition,
+                     const wxSize& size = wxDefaultSize,
+                     long style = wxScrolledWindowStyle,
+                     const wxString& name = wxPanelNameStr)
+        : wxScrollHelper(this)
+    {
+        Create(parent, winid, pos, size, style, name);
+    }
+
+    virtual ~wxGenericScrolledWindow();
+
+    bool Create(wxWindow *parent,
+                wxWindowID winid,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = wxScrolledWindowStyle,
+                const wxString& name = wxPanelNameStr);
+
+    virtual void PrepareDC(wxDC& dc) { DoPrepareDC(dc); }
+
+    // lay out the window and its children
+    virtual bool Layout();
+
+    virtual void DoSetVirtualSize(int x, int y);

 
 protected:
 
 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;
-  double                m_scaleX;
-  double                m_scaleY;
-
-DECLARE_EVENT_TABLE()
+    // this is needed for wxEVT_PAINT processing hack described in
+    // wxScrollHelperEvtHandler::ProcessEvent()
+    void OnPaint(wxPaintEvent& event);
+
+    // we need to return a special WM_GETDLGCODE value to process just the
+    // arrows but let the other navigation characters through
+#ifdef __WXMSW__
+    virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+#endif // __WXMSW__
+
+private:
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxGenericScrolledWindow)
+    DECLARE_EVENT_TABLE()

 };
 
 };
 

+#ifdef __VISUALC__
+    #pragma warning(default:4355)
+#endif
+

 #endif
 #endif

-    // __SCROLWINH_G__
+    // _WX_GENERIC_SCROLLWIN_H_
+