1 // Created on: 2013-04-06
2 // Created by: Kirill Gavrilov
3 // Copyright (c) 2013-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef Xw_Window_HeaderFile
17 #define Xw_Window_HeaderFile
19 #include <Aspect_Window.hxx>
21 #include <Aspect_VKey.hxx>
23 class Aspect_DisplayConnection;
24 class Aspect_WindowInputListener;
26 typedef union _XEvent XEvent;
28 //! This class defines XLib window intended for creation of OpenGL context.
29 class Xw_Window : public Aspect_Window
31 DEFINE_STANDARD_RTTIEXT(Xw_Window, Aspect_Window)
34 //! Convert X11 virtual key (KeySym) into Aspect_VKey.
35 Standard_EXPORT static Aspect_VKey VirtualKeyFromNative (unsigned long theKey);
39 //! Creates a XLib window defined by his position and size in pixels.
40 //! Throws exception if window can not be created or Display do not support GLX extension.
41 Standard_EXPORT Xw_Window (const Handle(Aspect_DisplayConnection)& theXDisplay,
42 const Standard_CString theTitle,
43 const Standard_Integer thePxLeft,
44 const Standard_Integer thePxTop,
45 const Standard_Integer thePxWidth,
46 const Standard_Integer thePxHeight);
48 //! Creates a wrapper over existing Window handle
49 Standard_EXPORT Xw_Window (const Handle(Aspect_DisplayConnection)& theXDisplay,
50 const Aspect_Drawable theXWin,
51 const Aspect_FBConfig theFBConfig = NULL);
53 //! Destroys the Window and all resources attached to it
54 Standard_EXPORT ~Xw_Window();
56 //! Opens the window <me>
57 Standard_EXPORT virtual void Map() const Standard_OVERRIDE;
59 //! Closes the window <me>
60 Standard_EXPORT virtual void Unmap() const Standard_OVERRIDE;
62 //! Applies the resizing to the window <me>
63 Standard_EXPORT virtual Aspect_TypeOfResize DoResize() Standard_OVERRIDE;
65 //! Apply the mapping change to the window <me>
66 virtual Standard_Boolean DoMapping() const Standard_OVERRIDE
68 return Standard_True; // IsMapped()
71 //! Returns True if the window <me> is opened
72 Standard_EXPORT virtual Standard_Boolean IsMapped() const Standard_OVERRIDE;
74 //! Returns The Window RATIO equal to the physical WIDTH/HEIGHT dimensions
75 Standard_EXPORT virtual Standard_Real Ratio() const Standard_OVERRIDE;
77 //! Returns The Window POSITION in PIXEL
78 Standard_EXPORT virtual void Position (Standard_Integer& X1,
81 Standard_Integer& Y2) const Standard_OVERRIDE;
83 //! Returns The Window SIZE in PIXEL
84 Standard_EXPORT virtual void Size (Standard_Integer& theWidth,
85 Standard_Integer& theHeight) const Standard_OVERRIDE;
87 //! @return native Window handle
88 Aspect_Drawable XWindow() const { return myXWindow; }
90 //! @return native Window handle
91 virtual Aspect_Drawable NativeHandle() const Standard_OVERRIDE
96 //! @return parent of native Window handle
97 virtual Aspect_Drawable NativeParentHandle() const Standard_OVERRIDE
102 //! @return native Window FB config (GLXFBConfig on Xlib)
103 virtual Aspect_FBConfig NativeFBConfig() const Standard_OVERRIDE
108 //! Sets window title.
109 Standard_EXPORT virtual void SetTitle (const TCollection_AsciiString& theTitle) Standard_OVERRIDE;
111 //! Invalidate entire window content through generation of Expose event.
112 //! This method does not aggregate multiple calls into single event - dedicated event will be sent on each call.
113 //! When NULL display connection is specified, the connection specified on window creation will be used.
114 //! Sending exposure messages from non-window thread would require dedicated display connection opened specifically
115 //! for this working thread to avoid race conditions, since Xlib display connection is not thread-safe by default.
116 Standard_EXPORT virtual void InvalidateContent (const Handle(Aspect_DisplayConnection)& theDisp) Standard_OVERRIDE;
118 //! Process a single window message.
119 //! @param theListener [in][out] listener to redirect message
120 //! @param theMsg [in][out] message to process
121 //! @return TRUE if message has been processed
122 Standard_EXPORT virtual bool ProcessMessage (Aspect_WindowInputListener& theListener,
127 Aspect_Drawable myXWindow; //!< XLib window handle
128 Aspect_FBConfig myFBConfig; //!< GLXFBConfig
129 Standard_Integer myXLeft; //!< left position in pixels
130 Standard_Integer myYTop; //!< top position in pixels
131 Standard_Integer myXRight; //!< right position in pixels
132 Standard_Integer myYBottom; //!< bottom position in pixels
133 Standard_Boolean myIsOwnWin; //!< flag to indicate own window handle (to be deallocated on destruction)
137 DEFINE_STANDARD_HANDLE(Xw_Window, Aspect_Window)
139 #endif // _Xw_Window_H__