wxWidgets/include/wx/dfb/nonownedwnd.h

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///////////////////////////////////////////////////////////////////////////////
// Name: wx/dfb/nonownedwnd.h
// Purpose: declares wxNonOwnedWindow class
// Author: Vaclav Slavik
// Modified by:
// Created: 2006-12-24
// RCS-ID: $Id$
// Copyright: (c) 2006 TT-Solutions
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DFB_NONOWNEDWND_H_
#define _WX_DFB_NONOWNEDWND_H_
#include "wx/window.h"
#include "wx/dfb/dfbptr.h"
wxDFB_DECLARE_INTERFACE(IDirectFBWindow);
class wxDfbQueuedPaintRequests;
struct wxDFBWindowEvent;
class wxDFBEventsHandler;
//-----------------------------------------------------------------------------
// wxNonOwnedWindow
//-----------------------------------------------------------------------------
// This class represents "non-owned" window. A window is owned by another
// window if it has a parent and is positioned within the parent. For example,
// wxFrame is non-owned, because even though it can have a parent, it's
// location is independent of it. This class is for internal use only, it's
// the base class for wxTopLevelWindow and wxPopupWindow.
class WXDLLIMPEXP_CORE wxNonOwnedWindow : public wxWindow
{
public:
// construction
wxNonOwnedWindow() { Init(); }
wxNonOwnedWindow(wxWindow *parent,
wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxPanelNameStr)
{
Init();
Create(parent, id, pos, size, style, name);
}
bool Create(wxWindow *parent,
wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxPanelNameStr);
virtual ~wxNonOwnedWindow();
// implement base class pure virtuals
virtual bool Show(bool show = true);
virtual void Update();
virtual void Raise();
virtual void Lower();
// implementation from now on
// --------------------------
void OnInternalIdle();
wxIDirectFBWindowPtr GetDirectFBWindow() const { return m_dfbwin; }
// Returns true if some invalidated area of the TLW is currently being
// painted
bool IsPainting() const { return m_isPainting; }
protected:
// common part of all ctors
void Init();
virtual wxIDirectFBSurfacePtr ObtainDfbSurface() const;
// overriden wxWindow methods
virtual void DoGetPosition(int *x, int *y) const;
virtual void DoGetSize(int *width, int *height) const;
virtual void DoMoveWindow(int x, int y, int width, int height);
virtual void DoRefreshRect(const wxRect& rect);
// sets DirectFB keyboard focus to this toplevel window (note that DFB
// focus is different from wx: only shown TLWs can have it and not any
// wxWindows as in wx
void SetDfbFocus();
// overriden in wxTopLevelWindowDFB, there's no common handling for wxTLW
// and wxPopupWindow to be done here
virtual void HandleFocusEvent(const wxDFBWindowEvent& WXUNUSED(event_)) {}
private:
// do queued painting in idle time
void HandleQueuedPaintRequests();
// DirectFB events handling
static void HandleDFBWindowEvent(const wxDFBWindowEvent& event_);
protected:
// did we sent wxSizeEvent at least once?
bool m_sizeSet:1;
// window's opacity (0: transparent, 255: opaque)
wxByte m_opacity;
// interface to the underlying DirectFB window
wxIDirectFBWindowPtr m_dfbwin;
private:
// invalidated areas of the TLW that need repainting
wxDfbQueuedPaintRequests *m_toPaint;
// are we currently painting some area of this TLW?
bool m_isPainting;
friend class wxDFBEventsHandler; // for HandleDFBWindowEvent
friend class wxWindowDFB; // for SetDfbFocus
};
#endif // _WX_DFB_NONOWNEDWND_H_