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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/gtk/scrolwin.h
	3	// Purpose: wxScrolledWindow class
	4	// Author: Robert Roebling
	5	// Modified by: Vadim Zeitlin (2005-10-10): wxScrolledWindow is now common
	6	// Created: 01/02/97
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Robert Roebling
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_GTK_SCROLLWIN_H_
	13	#define _WX_GTK_SCROLLWIN_H_
	14
	15	// ----------------------------------------------------------------------------
	16	// wxScrolledWindow
	17	// ----------------------------------------------------------------------------
	18
	19	class WXDLLIMPEXP_CORE wxScrollHelper : public wxScrollHelperBase
	20	{
	21	typedef wxScrollHelperBase base_type;
	22	public:
	23	// default ctor doesn't do anything
	24	wxScrollHelper(wxWindow *win) : wxScrollHelperBase(win) { }
	25
	26	// implement the base class methods
	27	virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
	28	int noUnitsX, int noUnitsY,
	29	int xPos = 0, int yPos = 0,
	30	bool noRefresh = false);
	31	virtual void AdjustScrollbars();
	32
	33	protected:
	34	virtual void DoScroll(int x, int y);
	35	virtual void DoShowScrollbars(wxScrollbarVisibility horz,
	36	wxScrollbarVisibility vert);
	37
	38	private:
	39	// this does (each) half of AdjustScrollbars() work
	40	void DoAdjustScrollbar(GtkRange* range,
	41	int pixelsPerLine,
	42	int winSize,
	43	int virtSize,
	44	int *pos,
	45	int *lines,
	46	int *linesPerPage);
	47
	48	void DoAdjustHScrollbar(int winSize, int virtSize)
	49	{
	50	DoAdjustScrollbar
	51	(
	52	m_win->m_scrollBar[wxWindow::ScrollDir_Horz],
	53	m_xScrollPixelsPerLine, winSize, virtSize,
	54	&m_xScrollPosition, &m_xScrollLines, &m_xScrollLinesPerPage
	55	);
	56	}
	57
	58	void DoAdjustVScrollbar(int winSize, int virtSize)
	59	{
	60	DoAdjustScrollbar
	61	(
	62	m_win->m_scrollBar[wxWindow::ScrollDir_Vert],
	63	m_yScrollPixelsPerLine, winSize, virtSize,
	64	&m_yScrollPosition, &m_yScrollLines, &m_yScrollLinesPerPage
	65	);
	66	}
	67
	68	// and this does the same for Scroll()
	69	void DoScrollOneDir(int orient,
	70	int pos,
	71	int pixelsPerLine,
	72	int *posOld);
	73
	74	wxDECLARE_NO_COPY_CLASS(wxScrollHelper);
	75	};
	76
	77	#endif // _WX_GTK_SCROLLWIN_H_
	78