ecab4dba7d
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4000 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
136 lines
4.7 KiB
C++
136 lines
4.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: scrolwin.h
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// Purpose: wxScrolledWindow class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __SCROLWINH_G__
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#define __SCROLWINH_G__
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#ifdef __GNUG__
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#pragma interface "scrolwin.h"
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#endif
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#include "wx/window.h"
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#include "wx/panel.h"
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WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
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class WXDLLEXPORT wxScrolledWindow : public wxPanel
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{
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public:
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wxScrolledWindow();
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inline wxScrolledWindow(wxWindow *parent, wxWindowID id = -1,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxHSCROLL|wxVSCROLL,
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const wxString& name = wxPanelNameStr)
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{
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Create(parent, id, pos, size, style, name);
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}
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~wxScrolledWindow();
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bool Create(wxWindow *parent, wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxHSCROLL|wxVSCROLL,
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const wxString& name = wxPanelNameStr);
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// Normally the wxScrolledWindow will scroll itself, but in
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// some rare occasions you might want it to scroll another
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// window (e.g. a child of it in order to scroll only a portion
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// the area between the scrollbars (spreadsheet: only cell area
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// will move).
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virtual void SetTargetWindow( wxWindow *target );
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virtual wxWindow *GetTargetWindow();
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// Number of pixels per user unit (0 or -1 for no scrollbar)
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// Length of virtual canvas in user units
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// Length of page in user units
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virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
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int noUnitsX, int noUnitsY,
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int xPos = 0, int yPos = 0,
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bool noRefresh = FALSE );
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// Physically scroll the window
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virtual void Scroll(int x_pos, int y_pos);
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#if WXWIN_COMPATIBILITY
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virtual void GetScrollUnitsPerPage(int *x_page, int *y_page) const;
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virtual void CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const ;
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#endif
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int GetScrollPageSize(int orient) const ;
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void SetScrollPageSize(int orient, int pageSize);
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virtual void GetScrollPixelsPerUnit(int *x_unit, int *y_unit) const;
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// Enable/disable Windows scrolling in either direction.
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// If TRUE, wxWindows scrolls the canvas and only a bit of
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// the canvas is invalidated; no Clear() is necessary.
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// If FALSE, the whole canvas is invalidated and a Clear() is
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// necessary. Disable for when the scroll increment is used
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// to actually scroll a non-constant distance
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virtual void EnableScrolling(bool x_scrolling, bool y_scrolling);
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// Get the view start
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virtual void ViewStart(int *x, int *y) const;
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// Actual size in pixels when scrolling is taken into account
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virtual void GetVirtualSize(int *x, int *y) const;
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// Set the scale factor, used in PrepareDC
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void SetScale(double xs, double ys) { m_scaleX = xs; m_scaleY = ys; }
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double GetScaleX() const { return m_scaleX; }
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double GetScaleY() const { return m_scaleY; }
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virtual void CalcScrolledPosition(int x, int y, int *xx, int *yy) const ;
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virtual void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const ;
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// Adjust the scrollbars
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virtual void AdjustScrollbars(void);
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// Override this function to draw the graphic (or just process EVT_PAINT)
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virtual void OnDraw(wxDC& WXUNUSED(dc)) {};
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// Override this function if you don't want to have wxScrolledWindow
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// automatically change the origin according to the scroll position.
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virtual void PrepareDC(wxDC& dc);
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// implementation from now on
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void OnScroll(wxScrollWinEvent& event);
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void OnSize(wxSizeEvent& event);
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void OnPaint(wxPaintEvent& event);
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// Calculate scroll increment
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virtual int CalcScrollInc(wxScrollWinEvent& event);
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protected:
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wxWindow *m_targetWindow;
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int m_xScrollPixelsPerLine;
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int m_yScrollPixelsPerLine;
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bool m_xScrollingEnabled;
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bool m_yScrollingEnabled;
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int m_xScrollPosition;
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int m_yScrollPosition;
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int m_xScrollLines;
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int m_yScrollLines;
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int m_xScrollLinesPerPage;
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int m_yScrollLinesPerPage;
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double m_scaleX;
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double m_scaleY;
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private:
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DECLARE_EVENT_TABLE()
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DECLARE_ABSTRACT_CLASS(wxScrolledWindow)
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};
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#endif
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// __SCROLWINH_G__
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