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: scrolwin.h 43795 2006-12-04 11:05:59Z VZ $ 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 19class WXDLLEXPORT wxScrollHelperNative : public wxScrollHelper 20{ 21public: 22 // default ctor doesn't do anything 23 wxScrollHelperNative(wxWindow *win) : wxScrollHelper(win) { } 24 25 virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY, 26 int noUnitsX, int noUnitsY, 27 int xPos = 0, int yPos = 0, 28 bool noRefresh = false); 29 virtual void AdjustScrollbars(); 30 virtual void Scroll(int x, int y); 31 32protected: 33 // this does (each) half of AdjustScrollbars() work 34 void DoAdjustScrollbar(GtkRange* range, 35 int pixelsPerLine, 36 int winSize, 37 int virtSize, 38 int *pos, 39 int *lines, 40 int *linesPerPage); 41 42 void DoAdjustHScrollbar(int winSize, int virtSize) 43 { 44 DoAdjustScrollbar 45 ( 46 m_win->m_scrollBar[wxWindow::ScrollDir_Horz], 47 m_xScrollPixelsPerLine, winSize, virtSize, 48 &m_xScrollPosition, &m_xScrollLines, &m_xScrollLinesPerPage 49 ); 50 } 51 52 void DoAdjustVScrollbar(int winSize, int virtSize) 53 { 54 DoAdjustScrollbar 55 ( 56 m_win->m_scrollBar[wxWindow::ScrollDir_Vert], 57 m_yScrollPixelsPerLine, winSize, virtSize, 58 &m_yScrollPosition, &m_yScrollLines, &m_yScrollLinesPerPage 59 ); 60 } 61 62 // and this does the same for Scroll() 63 void DoScroll(int orient, 64 int pos, 65 int pixelsPerLine, 66 int *posOld); 67 68private: 69 DECLARE_NO_COPY_CLASS(wxScrollHelperNative) 70}; 71 72#endif // _WX_GTK_SCROLLWIN_H_ 73 74