/////////////////////////////////////////////////////////////////////////////
// Name: wx/generic/scrolwin.h
-// Purpose: wxScrolledWindow class
+// Purpose: wxGenericScrolledWindow class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
#define _WX_GENERIC_SCROLLWIN_H_
#ifdef __GNUG__
- #pragma interface "scrolwin.h"
+ #pragma interface "genscrolwin.h"
#endif
// ----------------------------------------------------------------------------
#define wxScrolledWindowStyle (wxHSCROLL | wxVSCROLL)
#endif
+// avoid triggering this stupid VC++ warning
+#ifdef __VISUALC__
+ #pragma warning(disable:4355) // 'this' used in base member initializer list
+#endif
+
// ----------------------------------------------------------------------------
// wxGenericScrolledWindow
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxGenericScrolledWindow : public wxPanel
+class WXDLLEXPORT wxGenericScrolledWindow : public wxPanel,
+ public wxScrollHelper
{
public:
- wxGenericScrolledWindow();
+ wxGenericScrolledWindow() : wxScrollHelper(this) { }
wxGenericScrolledWindow(wxWindow *parent,
wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxScrolledWindowStyle,
const wxString& name = wxPanelNameStr)
+ : wxScrollHelper(this)
{
Create(parent, id, pos, size, style, name);
}
- ~wxGenericScrolledWindow();
+ virtual ~wxGenericScrolledWindow();
bool Create(wxWindow *parent,
wxWindowID id,
long style = wxScrolledWindowStyle,
const wxString& name = wxPanelNameStr);
- // Normally the wxGenericScrolledWindow 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);
-
-#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;
-#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 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;
-
- // 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;
+ virtual void PrepareDC(wxDC& dc) { DoPrepareDC(dc); }
- // Adjust the scrollbars
- virtual void AdjustScrollbars(void);
+ // lay out the window and its children
+ virtual bool Layout();
- // 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 wxGenericScrolledWindow
- // automatically change the origin according to the scroll position.
- virtual void PrepareDC(wxDC& dc);
-
- // implementation from now on
- void OnScroll(wxScrollWinEvent& event);
- void OnSize(wxSizeEvent& event);
+protected:
+ // this is needed for wxEVT_PAINT processing hack described in
+ // wxScrollHelperEvtHandler::ProcessEvent()
void OnPaint(wxPaintEvent& event);
- void OnChar(wxKeyEvent& event);
- void OnMouseWheel(wxMouseEvent& event);
- // Calculate scroll increment
- virtual int CalcScrollInc(wxScrollWinEvent& event);
-
-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;
- double m_scaleX;
- double m_scaleY;
- int m_wheelRotation;
+ // we need to return a special WM_GETDLGCODE value to process just the
+ // arrows but let the other navigation characters through
+#ifdef __WXMSW__
+ virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+#endif // __WXMSW__
private:
- DECLARE_EVENT_TABLE()
DECLARE_ABSTRACT_CLASS(wxGenericScrolledWindow)
+ DECLARE_EVENT_TABLE()
};
+#ifdef __VISUALC__
+ #pragma warning(default:4355)
+#endif
+
#endif
// _WX_GENERIC_SCROLLWIN_H_
projects / wxWidgets.git / blobdiff