include/wx/dfb/nonownedwnd.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/dfb/nonownedwnd.h
   3 // Purpose:     declares wxNonOwnedWindow class
   4 // Author:      Vaclav Slavik
   5 // Modified by:
   6 // Created:     2006-12-24
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2006 TT-Solutions
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DFB_NONOWNEDWND_H_
  13 #define _WX_DFB_NONOWNEDWND_H_
  14
  15 #include "wx/window.h"
  16 #include "wx/dfb/dfbptr.h"
  17
  18 wxDFB_DECLARE_INTERFACE(IDirectFBWindow);
  19 class wxDfbQueuedPaintRequests;
  20 struct wxDFBWindowEvent;
  21 class wxDFBEventsHandler;
  22
  23 //-----------------------------------------------------------------------------
  24 // wxNonOwnedWindow
  25 //-----------------------------------------------------------------------------
  26
  27 // This class represents "non-owned" window. A window is owned by another
  28 // window if it has a parent and is positioned within the parent. For example,
  29 // wxFrame is non-owned, because even though it can have a parent, it's
  30 // location is independent of it.  This class is for internal use only, it's
  31 // the base class for wxTopLevelWindow and wxPopupWindow.
  32 class WXDLLIMPEXP_CORE wxNonOwnedWindow : public wxWindow
  33 {
  34 public:
  35     // construction
  36     wxNonOwnedWindow() { Init(); }
  37     wxNonOwnedWindow(wxWindow *parent,
  38                      wxWindowID id,
  39                      const wxPoint& pos = wxDefaultPosition,
  40                      const wxSize& size = wxDefaultSize,
  41                      long style = 0,
  42                      const wxString& name = wxPanelNameStr)
  43     {
  44         Init();
  45
  46         Create(parent, id, pos, size, style, name);
  47     }
  48
  49     bool Create(wxWindow *parent,
  50                 wxWindowID id,
  51                 const wxPoint& pos = wxDefaultPosition,
  52                 const wxSize& size = wxDefaultSize,
  53                 long style = 0,
  54                 const wxString& name = wxPanelNameStr);
  55
  56     virtual ~wxNonOwnedWindow();
  57
  58     // implement base class pure virtuals
  59     virtual bool Show(bool show = true);
  60
  61     virtual void Update();
  62
  63     virtual void Raise();
  64     virtual void Lower();
  65
  66     // implementation from now on
  67     // --------------------------
  68
  69     void OnInternalIdle();
  70
  71     wxIDirectFBWindowPtr GetDirectFBWindow() const { return m_dfbwin; }
  72
  73     // Returns true if some invalidated area of the TLW is currently being
  74     // painted
  75     bool IsPainting() const { return m_isPainting; }
  76
  77 protected:
  78     // common part of all ctors
  79     void Init();
  80
  81     virtual wxIDirectFBSurfacePtr ObtainDfbSurface() const;
  82
  83     // overriden wxWindow methods
  84     virtual void DoGetPosition(int *x, int *y) const;
  85     virtual void DoGetSize(int *width, int *height) const;
  86     virtual void DoMoveWindow(int x, int y, int width, int height);
  87
  88     virtual void DoRefreshRect(const wxRect& rect);
  89
  90     // sets DirectFB keyboard focus to this toplevel window (note that DFB
  91     // focus is different from wx: only shown TLWs can have it and not any
  92     // wxWindows as in wx
  93     void SetDfbFocus();
  94
  95     // overriden in wxTopLevelWindowDFB, there's no common handling for wxTLW
  96     // and wxPopupWindow to be done here
  97     virtual void HandleFocusEvent(const wxDFBWindowEvent& WXUNUSED(event_)) {}
  98
  99 private:
 100     // do queued painting in idle time
 101     void HandleQueuedPaintRequests();
 102
 103     // DirectFB events handling
 104     static void HandleDFBWindowEvent(const wxDFBWindowEvent& event_);
 105
 106 protected:
 107     // did we sent wxSizeEvent at least once?
 108     bool          m_sizeSet:1;
 109
 110     // window's opacity (0: transparent, 255: opaque)
 111     wxByte        m_opacity;
 112
 113     // interface to the underlying DirectFB window
 114     wxIDirectFBWindowPtr m_dfbwin;
 115
 116 private:
 117     // invalidated areas of the TLW that need repainting
 118     wxDfbQueuedPaintRequests *m_toPaint;
 119     // are we currently painting some area of this TLW?
 120     bool m_isPainting;
 121
 122     friend class wxDFBEventsHandler; // for HandleDFBWindowEvent
 123     friend class wxWindowDFB;        // for SetDfbFocus
 124 };
 125
 126 #endif // _WX_DFB_NONOWNEDWND_H_