80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/gtk/scrolwin.h
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// Purpose: wxScrolledWindow class
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// Author: Robert Roebling
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// Modified by: Vadim Zeitlin (2005-10-10): wxScrolledWindow is now common
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// Created: 01/02/97
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// Copyright: (c) Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GTK_SCROLLWIN_H_
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#define _WX_GTK_SCROLLWIN_H_
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// ----------------------------------------------------------------------------
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// wxScrolledWindow
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxScrollHelper : public wxScrollHelperBase
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{
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typedef wxScrollHelperBase base_type;
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public:
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// default ctor doesn't do anything
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wxScrollHelper(wxWindow *win) : wxScrollHelperBase(win) { }
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// implement the base class methods
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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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virtual void AdjustScrollbars();
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virtual bool IsScrollbarShown(int orient) const;
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protected:
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virtual void DoScroll(int x, int y);
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virtual void DoShowScrollbars(wxScrollbarVisibility horz,
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wxScrollbarVisibility vert);
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private:
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// this does (each) half of AdjustScrollbars() work
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void DoAdjustScrollbar(GtkRange* range,
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int pixelsPerLine,
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int winSize,
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int virtSize,
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int *pos,
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int *lines,
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int *linesPerPage);
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void DoAdjustHScrollbar(int winSize, int virtSize)
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{
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DoAdjustScrollbar
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(
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m_win->m_scrollBar[wxWindow::ScrollDir_Horz],
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m_xScrollPixelsPerLine, winSize, virtSize,
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&m_xScrollPosition, &m_xScrollLines, &m_xScrollLinesPerPage
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);
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}
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void DoAdjustVScrollbar(int winSize, int virtSize)
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{
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DoAdjustScrollbar
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(
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m_win->m_scrollBar[wxWindow::ScrollDir_Vert],
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m_yScrollPixelsPerLine, winSize, virtSize,
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&m_yScrollPosition, &m_yScrollLines, &m_yScrollLinesPerPage
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);
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}
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// and this does the same for Scroll()
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void DoScrollOneDir(int orient,
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int pos,
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int pixelsPerLine,
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int *posOld);
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wxDECLARE_NO_COPY_CLASS(wxScrollHelper);
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};
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#endif // _WX_GTK_SCROLLWIN_H_
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