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