wxWidgets/include/wx/generic/scrolwin.h

108 lines
3.6 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/generic/scrolwin.h
// Purpose: wxGenericScrolledWindow class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GENERIC_SCROLLWIN_H_
#define _WX_GENERIC_SCROLLWIN_H_
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "genscrolwin.h"
#endif
// ----------------------------------------------------------------------------
// headers and constants
// ----------------------------------------------------------------------------
#include "wx/window.h"
#include "wx/panel.h"
WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
// default scrolled window style
#ifndef wxScrolledWindowStyle
#define wxScrolledWindowStyle (wxHSCROLL | wxVSCROLL)
#endif
// avoid triggering this stupid VC++ warning
#ifdef __VISUALC__
#pragma warning(disable:4355) // 'this' used in base member initializer list
#endif
// ----------------------------------------------------------------------------
// wxGenericScrolledWindow
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxGenericScrolledWindow : public wxPanel,
public wxScrollHelper
{
public:
wxGenericScrolledWindow() : wxScrollHelper(this) { }
wxGenericScrolledWindow(wxWindow *parent,
wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxScrolledWindowStyle,
const wxString& name = wxPanelNameStr)
: wxScrollHelper(this)
{
Create(parent, id, pos, size, style, name);
}
virtual ~wxGenericScrolledWindow();
bool Create(wxWindow *parent,
wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxScrolledWindowStyle,
const wxString& name = wxPanelNameStr);
virtual void PrepareDC(wxDC& dc) { DoPrepareDC(dc); }
// lay out the window and its children
virtual bool Layout();
virtual void DoSetVirtualSize(int x, int y);
#if WXWIN_COMPATIBILITY
virtual void GetScrollUnitsPerPage(int *x_page, int *y_page) const;
virtual void CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const;
// Need to do this otherwise the compiler gets confuced
// between float and int calls to this function.
void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
{ wxScrollHelper::CalcScrolledPosition(x, y, xx, yy); }
wxPoint CalcUnscrolledPosition(const wxPoint& pt) const
{ return wxScrollHelper::CalcScrolledPosition(pt); }
#endif // WXWIN_COMPATIBILITY
protected:
// this is needed for wxEVT_PAINT processing hack described in
// wxScrollHelperEvtHandler::ProcessEvent()
void OnPaint(wxPaintEvent& event);
// we need to return a special WM_GETDLGCODE value to process just the
// arrows but let the other navigation characters through
#ifdef __WXMSW__
virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
#endif // __WXMSW__
private:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxGenericScrolledWindow)
DECLARE_EVENT_TABLE()
};
#ifdef __VISUALC__
#pragma warning(default:4355)
#endif
#endif
// _WX_GENERIC_SCROLLWIN_H_