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/////////////////////////////////////////////////////////////////////////////
// Name: wx/dfb/window.h
// Purpose: wxWindow class
// Author: Vaclav Slavik
// Created: 2006-08-10
// Copyright: (c) 2006 REA Elektronik GmbH
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DFB_WINDOW_H_
#define _WX_DFB_WINDOW_H_
// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------
#include "wx/dfb/dfbptr.h"
wxDFB_DECLARE_INTERFACE(IDirectFBSurface);
struct wxDFBWindowEvent;
class WXDLLIMPEXP_FWD_CORE wxFont;
class WXDLLIMPEXP_FWD_CORE wxNonOwnedWindow;
class wxOverlayImpl;
class wxDfbOverlaysList;
// ---------------------------------------------------------------------------
// wxWindow
// ---------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxWindowDFB : public wxWindowBase
{
public:
wxWindowDFB() { Init(); }
wxWindowDFB(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);
}
virtual ~wxWindowDFB();
bool Create(wxWindow *parent,
wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxPanelNameStr);
// implement base class (pure) virtual methods
// -------------------------------------------
virtual void SetLabel( const wxString &WXUNUSED(label) ) {}
virtual wxString GetLabel() const { return wxEmptyString; }
virtual void Raise();
virtual void Lower();
virtual bool Show(bool show = true);
virtual void SetFocus();
virtual bool Reparent(wxWindowBase *newParent);
virtual void WarpPointer(int x, int y);
virtual void Refresh(bool eraseBackground = true,
const wxRect *rect = (const wxRect *) NULL);
virtual void Update();
virtual bool SetCursor(const wxCursor &cursor);
virtual bool SetFont(const wxFont &font) { m_font = font; return true; }
virtual int GetCharHeight() const;
virtual int GetCharWidth() const;
#if wxUSE_DRAG_AND_DROP
virtual void SetDropTarget(wxDropTarget *dropTarget);
// Accept files for dragging
virtual void DragAcceptFiles(bool accept);
#endif // wxUSE_DRAG_AND_DROP
virtual WXWidget GetHandle() const { return this; }
// implementation from now on
// --------------------------
// Returns DirectFB surface used for rendering of this window
wxIDirectFBSurfacePtr GetDfbSurface();
// returns toplevel window the window belongs to
wxNonOwnedWindow *GetTLW() const { return m_tlw; }
virtual bool IsDoubleBuffered() const { return true; }
protected:
// implement the base class pure virtuals
virtual void DoGetTextExtent(const wxString& string,
int *x, int *y,
int *descent = NULL,
int *externalLeading = NULL,
const wxFont *theFont = NULL) const;
virtual void DoClientToScreen(int *x, int *y) const;
virtual void DoScreenToClient(int *x, int *y) const;
virtual void DoGetPosition(int *x, int *y) const;
virtual void DoGetSize(int *width, int *height) const;
virtual void DoGetClientSize(int *width, int *height) const;
virtual void DoSetSize(int x, int y,
int width, int height,
int sizeFlags = wxSIZE_AUTO);
virtual void DoSetClientSize(int width, int height);
virtual void DoCaptureMouse();
virtual void DoReleaseMouse();
virtual void DoThaw();
// move the window to the specified location and resize it: this is called
// from both DoSetSize() and DoSetClientSize() and would usually just call
// ::MoveWindow() except for composite controls which will want to arrange
// themselves inside the given rectangle
virtual void DoMoveWindow(int x, int y, int width, int height);
// return DFB surface used to render this window (will be assigned to
// m_surface if the window is visible)
virtual wxIDirectFBSurfacePtr ObtainDfbSurface() const;
// this method must be called when window's position, size or visibility
// changes; it resets m_surface so that ObtainDfbSurface has to be called
// next time GetDfbSurface is called
void InvalidateDfbSurface();
// called by parent to render (part of) the window
void PaintWindow(const wxRect& rect);
// paint window's overlays (if any) on top of window's surface
void PaintOverlays(const wxRect& rect);
// refreshes the entire window (including non-client areas)
void DoRefreshWindow();
// refreshes given rectangle of the window (in window, _not_ client coords)
virtual void DoRefreshRect(const wxRect& rect);
// refreshes given rectangle; unlike RefreshRect(), the argument is in
// window, not client, coords and unlike DoRefreshRect() and like Refresh(),
// does nothing if the window is hidden or frozen
void RefreshWindowRect(const wxRect& rect);
// add/remove overlay for this window
void AddOverlay(wxOverlayImpl *overlay);
void RemoveOverlay(wxOverlayImpl *overlay);
// DirectFB events handling
void HandleKeyEvent(const wxDFBWindowEvent& event_);
private:
// common part of all ctors
void Init();
// counterpart to SetFocus
void DFBKillFocus();
protected:
// toplevel window (i.e. DirectFB window) this window belongs to
wxNonOwnedWindow *m_tlw;
private:
// subsurface of TLW's surface covered by this window
wxIDirectFBSurfacePtr m_surface;
// position of the window (relative to the parent, not used by wxTLW, so
// don't access it directly)
wxRect m_rect;
// overlays for this window (or NULL if it doesn't have any)
wxDfbOverlaysList *m_overlays;
friend class wxNonOwnedWindow; // for HandleXXXEvent
friend class wxOverlayImpl; // for Add/RemoveOverlay
friend class wxWindowDCImpl; // for PaintOverlays
DECLARE_DYNAMIC_CLASS(wxWindowDFB)
wxDECLARE_NO_COPY_CLASS(wxWindowDFB);
DECLARE_EVENT_TABLE()
};
#endif // _WX_DFB_WINDOW_H_
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