99eb9f350e
wxScrolledWindow (to better respect target window rect) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/wxUNIVERSAL@8663 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
783 lines
22 KiB
C++
783 lines
22 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: generic/scrolwin.cpp
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// Purpose: wxScrolledWindow implementation
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// Author: Julian Smart
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// Modified by: Vadim Zeitlin on 31.08.00: wxScrollHelper allows to implement
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// scrolling in any class, not just wxScrolledWindow
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) wxWindows team
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma implementation "scrolwin.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/utils.h"
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#include "wx/dcclient.h"
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#include "wx/scrolwin.h"
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#include "wx/panel.h"
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#ifdef __WXMSW__
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#include "windows.h"
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#endif
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#ifdef __WXMOTIF__
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// For wxRETAINED implementation
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#ifdef __VMS__ //VMS's Xm.h is not (yet) compatible with C++
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//This code switches off the compiler warnings
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# pragma message disable nosimpint
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#endif
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#include <Xm/Xm.h>
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#ifdef __VMS__
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# pragma message enable nosimpint
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#endif
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#endif
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// ----------------------------------------------------------------------------
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// wxScrollHelperEvtHandler: intercept the events from the window and forward
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// them to wxScrollHelper
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// ----------------------------------------------------------------------------
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class wxScrollHelperEvtHandler : public wxEvtHandler
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{
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public:
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wxScrollHelperEvtHandler(wxScrollHelper *scrollHelper)
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{
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m_scrollHelper = scrollHelper;
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}
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virtual bool ProcessEvent(wxEvent& event)
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{
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if ( wxEvtHandler::ProcessEvent(event) )
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return TRUE;
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switch ( event.GetEventType() )
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{
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case wxEVT_SCROLLWIN_TOP:
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case wxEVT_SCROLLWIN_BOTTOM:
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case wxEVT_SCROLLWIN_LINEUP:
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case wxEVT_SCROLLWIN_LINEDOWN:
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case wxEVT_SCROLLWIN_PAGEUP:
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case wxEVT_SCROLLWIN_PAGEDOWN:
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case wxEVT_SCROLLWIN_THUMBTRACK:
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case wxEVT_SCROLLWIN_THUMBRELEASE:
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m_scrollHelper->HandleOnScroll((wxScrollWinEvent&)event);
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return TRUE;
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case wxEVT_PAINT:
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m_scrollHelper->HandleOnPaint((wxPaintEvent&)event);
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return TRUE;
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case wxEVT_SIZE:
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m_scrollHelper->HandleOnSize((wxSizeEvent&)event);
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return FALSE;
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case wxEVT_CHAR:
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m_scrollHelper->HandleOnChar((wxKeyEvent&)event);
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return !event.GetSkipped();
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}
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return FALSE;
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}
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private:
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wxScrollHelper *m_scrollHelper;
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};
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxScrollHelper construction
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// ----------------------------------------------------------------------------
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wxScrollHelper::wxScrollHelper(wxWindow *win)
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{
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m_xScrollPixelsPerLine =
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m_yScrollPixelsPerLine =
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m_xScrollPosition =
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m_yScrollPosition =
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m_xScrollLines =
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m_yScrollLines =
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m_xScrollLinesPerPage =
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m_yScrollLinesPerPage = 0;
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m_xScrollingEnabled =
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m_yScrollingEnabled = TRUE;
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m_scaleX =
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m_scaleY = 1.0;
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m_win =
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m_targetWindow = (wxWindow *)NULL;
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if ( win )
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SetWindow(win);
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}
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void wxScrollHelper::SetWindow(wxWindow *win)
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{
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wxCHECK_RET( win, _T("wxScrollHelper needs a window to scroll") );
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m_targetWindow = m_win = win;
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// install the event handler which will intercept the events we're
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// interested in
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m_win->PushEventHandler(new wxScrollHelperEvtHandler(this));
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}
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wxScrollHelper::~wxScrollHelper()
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{
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if ( m_targetWindow )
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m_targetWindow->PopEventHandler(TRUE /* do delete it */);
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}
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// ----------------------------------------------------------------------------
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// setting scrolling parameters
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// ----------------------------------------------------------------------------
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void wxScrollHelper::SetScrollbars(int pixelsPerUnitX,
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int pixelsPerUnitY,
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int noUnitsX,
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int noUnitsY,
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int xPos,
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int yPos,
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bool noRefresh)
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{
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int xpos, ypos;
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CalcUnscrolledPosition(xPos, yPos, &xpos, &ypos);
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bool do_refresh =
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(
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(noUnitsX != 0 && m_xScrollLines == 0) ||
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(noUnitsX < m_xScrollLines && xpos > pixelsPerUnitX*noUnitsX) ||
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(noUnitsY != 0 && m_yScrollLines == 0) ||
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(noUnitsY < m_yScrollLines && ypos > pixelsPerUnitY*noUnitsY) ||
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(xPos != m_xScrollPosition) ||
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(yPos != m_yScrollPosition)
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);
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m_xScrollPixelsPerLine = pixelsPerUnitX;
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m_yScrollPixelsPerLine = pixelsPerUnitY;
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m_xScrollPosition = xPos;
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m_yScrollPosition = yPos;
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m_xScrollLines = noUnitsX;
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m_yScrollLines = noUnitsY;
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#ifdef __WXMOTIF__
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// Sorry, some Motif-specific code to implement a backing pixmap
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// for the wxRETAINED style. Implementing a backing store can't
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// be entirely generic because it relies on the wxWindowDC implementation
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// to duplicate X drawing calls for the backing pixmap.
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if ( m_targetWindow->GetWindowStyle() & wxRETAINED )
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{
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Display* dpy = XtDisplay((Widget)m_targetWindow->GetMainWidget());
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int totalPixelWidth = m_xScrollLines * m_xScrollPixelsPerLine;
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int totalPixelHeight = m_yScrollLines * m_yScrollPixelsPerLine;
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if (m_targetWindow->m_backingPixmap &&
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!((m_targetWindow->m_pixmapWidth == totalPixelWidth) &&
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(m_targetWindow->m_pixmapHeight == totalPixelHeight)))
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{
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XFreePixmap (dpy, (Pixmap) m_targetWindow->m_backingPixmap);
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m_targetWindow->m_backingPixmap = (WXPixmap) 0;
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}
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if (!m_targetWindow->m_backingPixmap &&
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(noUnitsX != 0) && (noUnitsY != 0))
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{
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int depth = wxDisplayDepth();
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m_pixmapWidth = totalPixelWidth;
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m_pixmapHeight = totalPixelHeight;
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m_backingPixmap = (WXPixmap) XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
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m_pixmapWidth, m_pixmapHeight, depth);
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}
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}
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#endif // Motif
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AdjustScrollbars();
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if (do_refresh && !noRefresh)
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m_targetWindow->Refresh(TRUE, GetRect());
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#ifdef __WXMAC__
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m_targetWindow->MacUpdateImmediately() ;
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#endif
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}
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// ----------------------------------------------------------------------------
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// target window handling
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// ----------------------------------------------------------------------------
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void wxScrollHelper::SetTargetWindow( wxWindow *target )
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{
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wxASSERT_MSG( target, wxT("target window must not be NULL") );
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m_targetWindow = target;
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}
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wxWindow *wxScrollHelper::GetTargetWindow() const
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{
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return m_targetWindow;
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}
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// ----------------------------------------------------------------------------
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// scrolling implementation itself
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// ----------------------------------------------------------------------------
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void wxScrollHelper::HandleOnScroll(wxScrollWinEvent& event)
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{
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int orient = event.GetOrientation();
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int nScrollInc = CalcScrollInc(event);
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if (nScrollInc == 0) return;
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if (orient == wxHORIZONTAL)
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{
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int newPos = m_xScrollPosition + nScrollInc;
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m_win->SetScrollPos(wxHORIZONTAL, newPos, FALSE );
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}
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else
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{
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int newPos = m_yScrollPosition + nScrollInc;
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m_win->SetScrollPos(wxVERTICAL, newPos, FALSE );
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}
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if (orient == wxHORIZONTAL)
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{
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m_xScrollPosition += nScrollInc;
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}
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else
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{
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m_yScrollPosition += nScrollInc;
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}
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bool needsRefresh = FALSE;
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int dx = 0,
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dy = 0;
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if (orient == wxHORIZONTAL)
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{
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if ( m_xScrollingEnabled )
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{
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dx = -m_xScrollPixelsPerLine * nScrollInc;
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}
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else
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{
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needsRefresh = TRUE;
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}
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}
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else
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{
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if ( m_yScrollingEnabled )
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{
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dy = -m_yScrollPixelsPerLine * nScrollInc;
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}
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else
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{
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needsRefresh = TRUE;
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}
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}
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if ( needsRefresh )
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{
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m_targetWindow->Refresh(TRUE, GetRect());
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}
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else
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{
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m_targetWindow->ScrollWindow(dx, dy, GetRect());
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}
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#ifdef __WXMAC__
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m_targetWindow->MacUpdateImmediately() ;
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#endif
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}
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int wxScrollHelper::CalcScrollInc(wxScrollWinEvent& event)
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{
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int pos = event.GetPosition();
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int orient = event.GetOrientation();
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int nScrollInc = 0;
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switch (event.GetEventType())
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{
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case wxEVT_SCROLLWIN_TOP:
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{
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if (orient == wxHORIZONTAL)
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nScrollInc = - m_xScrollPosition;
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else
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nScrollInc = - m_yScrollPosition;
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break;
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}
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case wxEVT_SCROLLWIN_BOTTOM:
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{
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if (orient == wxHORIZONTAL)
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nScrollInc = m_xScrollLines - m_xScrollPosition;
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else
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nScrollInc = m_yScrollLines - m_yScrollPosition;
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break;
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}
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case wxEVT_SCROLLWIN_LINEUP:
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{
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nScrollInc = -1;
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break;
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}
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case wxEVT_SCROLLWIN_LINEDOWN:
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{
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nScrollInc = 1;
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break;
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}
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case wxEVT_SCROLLWIN_PAGEUP:
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{
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if (orient == wxHORIZONTAL)
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nScrollInc = -GetScrollPageSize(wxHORIZONTAL);
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else
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nScrollInc = -GetScrollPageSize(wxVERTICAL);
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break;
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}
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case wxEVT_SCROLLWIN_PAGEDOWN:
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{
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if (orient == wxHORIZONTAL)
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nScrollInc = GetScrollPageSize(wxHORIZONTAL);
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else
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nScrollInc = GetScrollPageSize(wxVERTICAL);
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break;
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}
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case wxEVT_SCROLLWIN_THUMBTRACK:
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case wxEVT_SCROLLWIN_THUMBRELEASE:
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{
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if (orient == wxHORIZONTAL)
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nScrollInc = pos - m_xScrollPosition;
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else
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nScrollInc = pos - m_yScrollPosition;
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break;
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}
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default:
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{
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break;
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}
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}
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if (orient == wxHORIZONTAL)
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{
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if (m_xScrollPixelsPerLine > 0)
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{
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int w, h;
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GetTargetSize(&w, &h);
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int nMaxWidth = m_xScrollLines*m_xScrollPixelsPerLine;
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int noPositions = (int) ( ((nMaxWidth - w)/(double)m_xScrollPixelsPerLine) + 0.5 );
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if (noPositions < 0)
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noPositions = 0;
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if ( (m_xScrollPosition + nScrollInc) < 0 )
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nScrollInc = -m_xScrollPosition; // As -ve as we can go
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else if ( (m_xScrollPosition + nScrollInc) > noPositions )
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nScrollInc = noPositions - m_xScrollPosition; // As +ve as we can go
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}
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else
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m_targetWindow->Refresh(TRUE, GetRect());
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}
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else
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{
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if (m_yScrollPixelsPerLine > 0)
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{
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int w, h;
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GetTargetSize(&w, &h);
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int nMaxHeight = m_yScrollLines*m_yScrollPixelsPerLine;
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int noPositions = (int) ( ((nMaxHeight - h)/(double)m_yScrollPixelsPerLine) + 0.5 );
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if (noPositions < 0)
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noPositions = 0;
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if ( (m_yScrollPosition + nScrollInc) < 0 )
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nScrollInc = -m_yScrollPosition; // As -ve as we can go
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else if ( (m_yScrollPosition + nScrollInc) > noPositions )
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nScrollInc = noPositions - m_yScrollPosition; // As +ve as we can go
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}
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else
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m_targetWindow->Refresh(TRUE, GetRect());
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}
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return nScrollInc;
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}
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// Adjust the scrollbars - new version.
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void wxScrollHelper::AdjustScrollbars()
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{
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int w, h;
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GetTargetSize(&w, &h);
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int oldXScroll = m_xScrollPosition;
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int oldYScroll = m_yScrollPosition;
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if (m_xScrollLines > 0)
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{
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// Calculate page size i.e. number of scroll units you get on the
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// current client window
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int noPagePositions = (int) ( (w/(double)m_xScrollPixelsPerLine) + 0.5 );
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if (noPagePositions < 1) noPagePositions = 1;
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if ( noPagePositions > m_xScrollLines )
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noPagePositions = m_xScrollLines;
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// Correct position if greater than extent of canvas minus
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// the visible portion of it or if below zero
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m_xScrollPosition = wxMin( m_xScrollLines-noPagePositions, m_xScrollPosition);
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m_xScrollPosition = wxMax( 0, m_xScrollPosition );
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m_win->SetScrollbar(wxHORIZONTAL, m_xScrollPosition, noPagePositions, m_xScrollLines);
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// The amount by which we scroll when paging
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SetScrollPageSize(wxHORIZONTAL, noPagePositions);
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}
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else
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{
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m_xScrollPosition = 0;
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m_win->SetScrollbar (wxHORIZONTAL, 0, 0, 0, FALSE);
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}
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if (m_yScrollLines > 0)
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{
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// Calculate page size i.e. number of scroll units you get on the
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// current client window
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int noPagePositions = (int) ( (h/(double)m_yScrollPixelsPerLine) + 0.5 );
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if (noPagePositions < 1) noPagePositions = 1;
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if ( noPagePositions > m_yScrollLines )
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noPagePositions = m_yScrollLines;
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// Correct position if greater than extent of canvas minus
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// the visible portion of it or if below zero
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m_yScrollPosition = wxMin( m_yScrollLines-noPagePositions, m_yScrollPosition );
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m_yScrollPosition = wxMax( 0, m_yScrollPosition );
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m_win->SetScrollbar(wxVERTICAL, m_yScrollPosition, noPagePositions, m_yScrollLines);
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// The amount by which we scroll when paging
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SetScrollPageSize(wxVERTICAL, noPagePositions);
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}
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else
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{
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m_yScrollPosition = 0;
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m_win->SetScrollbar (wxVERTICAL, 0, 0, 0, FALSE);
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}
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if (oldXScroll != m_xScrollPosition)
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{
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if (m_xScrollingEnabled)
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m_targetWindow->ScrollWindow( m_xScrollPixelsPerLine * (oldXScroll-m_xScrollPosition), 0,
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GetRect() );
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else
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m_targetWindow->Refresh(TRUE, GetRect());
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}
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if (oldYScroll != m_yScrollPosition)
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{
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if (m_yScrollingEnabled)
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m_targetWindow->ScrollWindow( 0, m_yScrollPixelsPerLine * (oldYScroll-m_yScrollPosition),
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GetRect() );
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else
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m_targetWindow->Refresh(TRUE, GetRect());
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}
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}
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void wxScrollHelper::DoPrepareDC(wxDC& dc)
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{
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wxPoint pt = dc.GetDeviceOrigin();
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dc.SetDeviceOrigin( pt.x - m_xScrollPosition * m_xScrollPixelsPerLine,
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pt.y - m_yScrollPosition * m_yScrollPixelsPerLine );
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dc.SetUserScale( m_scaleX, m_scaleY );
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}
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void wxScrollHelper::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const
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{
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if ( x_unit )
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*x_unit = m_xScrollPixelsPerLine;
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if ( y_unit )
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*y_unit = m_yScrollPixelsPerLine;
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}
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int wxScrollHelper::GetScrollPageSize(int orient) const
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{
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if ( orient == wxHORIZONTAL )
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return m_xScrollLinesPerPage;
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else
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return m_yScrollLinesPerPage;
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}
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void wxScrollHelper::SetScrollPageSize(int orient, int pageSize)
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{
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if ( orient == wxHORIZONTAL )
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m_xScrollLinesPerPage = pageSize;
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else
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m_yScrollLinesPerPage = pageSize;
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}
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/*
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* Scroll to given position (scroll position, not pixel position)
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*/
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void wxScrollHelper::Scroll( int x_pos, int y_pos )
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{
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if (!m_targetWindow)
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return;
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if (((x_pos == -1) || (x_pos == m_xScrollPosition)) &&
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((y_pos == -1) || (y_pos == m_yScrollPosition))) return;
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int w, h;
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GetTargetSize(&w, &h);
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if ((x_pos != -1) && (m_xScrollPixelsPerLine))
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{
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|
int old_x = m_xScrollPosition;
|
|
m_xScrollPosition = x_pos;
|
|
|
|
// Calculate page size i.e. number of scroll units you get on the
|
|
// current client window
|
|
int noPagePositions = (int) ( (w/(double)m_xScrollPixelsPerLine) + 0.5 );
|
|
if (noPagePositions < 1) noPagePositions = 1;
|
|
|
|
// Correct position if greater than extent of canvas minus
|
|
// the visible portion of it or if below zero
|
|
m_xScrollPosition = wxMin( m_xScrollLines-noPagePositions, m_xScrollPosition );
|
|
m_xScrollPosition = wxMax( 0, m_xScrollPosition );
|
|
|
|
if (old_x != m_xScrollPosition) {
|
|
m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, FALSE );
|
|
m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0,
|
|
GetRect() );
|
|
}
|
|
}
|
|
if ((y_pos != -1) && (m_yScrollPixelsPerLine))
|
|
{
|
|
int old_y = m_yScrollPosition;
|
|
m_yScrollPosition = y_pos;
|
|
|
|
// Calculate page size i.e. number of scroll units you get on the
|
|
// current client window
|
|
int noPagePositions = (int) ( (h/(double)m_yScrollPixelsPerLine) + 0.5 );
|
|
if (noPagePositions < 1) noPagePositions = 1;
|
|
|
|
// Correct position if greater than extent of canvas minus
|
|
// the visible portion of it or if below zero
|
|
m_yScrollPosition = wxMin( m_yScrollLines-noPagePositions, m_yScrollPosition );
|
|
m_yScrollPosition = wxMax( 0, m_yScrollPosition );
|
|
|
|
if (old_y != m_yScrollPosition) {
|
|
m_targetWindow->SetScrollPos( wxVERTICAL, m_yScrollPosition, FALSE );
|
|
m_targetWindow->ScrollWindow( 0, (old_y-m_yScrollPosition)*m_yScrollPixelsPerLine,
|
|
GetRect() );
|
|
}
|
|
}
|
|
|
|
#ifdef __WXMAC__
|
|
m_targetWindow->MacUpdateImmediately();
|
|
#endif
|
|
}
|
|
|
|
void wxScrollHelper::EnableScrolling (bool x_scroll, bool y_scroll)
|
|
{
|
|
m_xScrollingEnabled = x_scroll;
|
|
m_yScrollingEnabled = y_scroll;
|
|
}
|
|
|
|
void wxScrollHelper::GetVirtualSize (int *x, int *y) const
|
|
{
|
|
if ( x )
|
|
*x = m_xScrollPixelsPerLine * m_xScrollLines;
|
|
if ( y )
|
|
*y = m_yScrollPixelsPerLine * m_yScrollLines;
|
|
}
|
|
|
|
// Where the current view starts from
|
|
void wxScrollHelper::GetViewStart (int *x, int *y) const
|
|
{
|
|
if ( x )
|
|
*x = m_xScrollPosition;
|
|
if ( y )
|
|
*y = m_yScrollPosition;
|
|
}
|
|
|
|
void wxScrollHelper::CalcScrolledPosition(int x, int y, int *xx, int *yy) const
|
|
{
|
|
if ( xx )
|
|
*xx = x - m_xScrollPosition * m_xScrollPixelsPerLine;
|
|
if ( yy )
|
|
*yy = y - m_yScrollPosition * m_yScrollPixelsPerLine;
|
|
}
|
|
|
|
void wxScrollHelper::CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
|
|
{
|
|
if ( xx )
|
|
*xx = x + m_xScrollPosition * m_xScrollPixelsPerLine;
|
|
if ( yy )
|
|
*yy = y + m_yScrollPosition * m_yScrollPixelsPerLine;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// event handlers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Default OnSize resets scrollbars, if any
|
|
void wxScrollHelper::HandleOnSize(wxSizeEvent& WXUNUSED(event))
|
|
{
|
|
#if wxUSE_CONSTRAINTS
|
|
if ( m_targetWindow->GetAutoLayout() )
|
|
m_targetWindow->Layout();
|
|
#endif
|
|
|
|
AdjustScrollbars();
|
|
}
|
|
|
|
// This calls OnDraw, having adjusted the origin according to the current
|
|
// scroll position
|
|
void wxScrollHelper::HandleOnPaint(wxPaintEvent& WXUNUSED(event))
|
|
{
|
|
wxPaintDC dc(m_targetWindow);
|
|
DoPrepareDC(dc);
|
|
|
|
OnDraw(dc);
|
|
}
|
|
|
|
// kbd handling: notice that we use OnChar() and not OnKeyDown() for
|
|
// compatibility here - if we used OnKeyDown(), the programs which process
|
|
// arrows themselves in their OnChar() would never get the message and like
|
|
// this they always have the priority
|
|
void wxScrollHelper::HandleOnChar(wxKeyEvent& event)
|
|
{
|
|
int stx, sty, // view origin
|
|
szx, szy, // view size (total)
|
|
clix, cliy; // view size (on screen)
|
|
|
|
GetViewStart(&stx, &sty);
|
|
GetTargetSize(&clix, &cliy);
|
|
GetVirtualSize(&szx, &szy);
|
|
|
|
if( m_xScrollPixelsPerLine )
|
|
{
|
|
clix /= m_xScrollPixelsPerLine;
|
|
szx /= m_xScrollPixelsPerLine;
|
|
}
|
|
else
|
|
{
|
|
clix = 0;
|
|
szx = -1;
|
|
}
|
|
if( m_yScrollPixelsPerLine )
|
|
{
|
|
cliy /= m_yScrollPixelsPerLine;
|
|
szy /= m_yScrollPixelsPerLine;
|
|
}
|
|
else
|
|
{
|
|
cliy = 0;
|
|
szy = -1;
|
|
}
|
|
|
|
int dsty;
|
|
switch ( event.KeyCode() )
|
|
{
|
|
case WXK_PAGEUP:
|
|
case WXK_PRIOR:
|
|
dsty = sty - (5 * cliy / 6);
|
|
Scroll(-1, (dsty == -1) ? 0 : dsty);
|
|
break;
|
|
|
|
case WXK_PAGEDOWN:
|
|
case WXK_NEXT:
|
|
Scroll(-1, sty + (5 * cliy / 6));
|
|
break;
|
|
|
|
case WXK_HOME:
|
|
Scroll(0, event.ControlDown() ? 0 : -1);
|
|
break;
|
|
|
|
case WXK_END:
|
|
Scroll(szx - clix, event.ControlDown() ? szy - cliy : -1);
|
|
break;
|
|
|
|
case WXK_UP:
|
|
Scroll(-1, sty - 1);
|
|
break;
|
|
|
|
case WXK_DOWN:
|
|
Scroll(-1, sty + 1);
|
|
break;
|
|
|
|
case WXK_LEFT:
|
|
Scroll(stx - 1, -1);
|
|
break;
|
|
|
|
case WXK_RIGHT:
|
|
Scroll(stx + 1, -1);
|
|
break;
|
|
|
|
default:
|
|
// not for us
|
|
event.Skip();
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxScrolledWindow implementation
|
|
// ----------------------------------------------------------------------------
|
|
|
|
IMPLEMENT_DYNAMIC_CLASS(wxScrolledWindow, wxPanel)
|
|
|
|
bool wxScrolledWindow::Create(wxWindow *parent,
|
|
wxWindowID id,
|
|
const wxPoint& pos,
|
|
const wxSize& size,
|
|
long style,
|
|
const wxString& name)
|
|
{
|
|
m_targetWindow = this;
|
|
|
|
bool ok = wxPanel::Create(parent, id, pos, size, style, name);
|
|
|
|
#ifdef __WXMSW__
|
|
// we need to process arrows ourselves for scrolling
|
|
m_lDlgCode |= DLGC_WANTARROWS;
|
|
#endif // __WXMSW__
|
|
|
|
return ok;
|
|
}
|
|
|
|
wxScrolledWindow::~wxScrolledWindow()
|
|
{
|
|
}
|
|
|
|
#if WXWIN_COMPATIBILITY
|
|
void wxScrolledWindow::GetScrollUnitsPerPage (int *x_page, int *y_page) const
|
|
{
|
|
*x_page = GetScrollPageSize(wxHORIZONTAL);
|
|
*y_page = GetScrollPageSize(wxVERTICAL);
|
|
}
|
|
|
|
void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const
|
|
{
|
|
if ( xx )
|
|
*xx = (float)(x + m_xScrollPosition * m_xScrollPixelsPerLine);
|
|
if ( yy )
|
|
*yy = (float)(y + m_yScrollPosition * m_yScrollPixelsPerLine);
|
|
}
|
|
#endif // WXWIN_COMPATIBILITY
|
|
|