/****************************************************************************
**
** Includes X11 system header files.
**
** Created : 981123
**
** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
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**********************************************************************/

#ifndef TQT_X11_H
#define TQT_X11_H


//
//  W A R N I N G
//  -------------
//
// This file is not part of the TQt API.  It exists for the convenience
// of q*_x11.cpp.  This header file may change from version to version
// without notice, or even be removed.
//
//


#ifndef QT_H
#include "tqwindowdefs.h"
#endif // QT_H

// the following is necessary to work around breakage in many versions
// of XFree86's Xlib.h still in use
// ### which versions?
#if defined(_XLIB_H_) // crude hack, but...
#error "cannot include <X11/Xlib.h> before this file"
#endif
#define XRegisterIMInstantiateCallback qt_XRegisterIMInstantiateCallback
#define XUnregisterIMInstantiateCallback qt_XUnregisterIMInstantiateCallback
#define XSetIMValues qt_XSetIMValues
#include <X11/Xlib.h>
#undef XRegisterIMInstantiateCallback
#undef XUnregisterIMInstantiateCallback
#undef XSetIMValues

#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/Xatom.h>


//#define TQT_NO_SHAPE
#ifdef TQT_NO_SHAPE
#define XShapeCombineRegion(a,b,c,d,e,f,g)
#define XShapeCombineMask(a,b,c,d,e,f,g)
#else
#include <X11/extensions/shape.h>
#endif // TQT_NO_SHAPE


// the wacom tablet (currently just the IRIX version)
#if defined (QT_TABLET_SUPPORT)
#  include <X11/extensions/XInput.h>
#if defined (Q_OS_IRIX)
#  include <wacom.h>  // wacom driver defines for IRIX (quite handy)
#endif
#endif // QT_TABLET_SUPPORT


// #define TQT_NO_XINERAMA
#ifndef TQT_NO_XINERAMA
#  if 0 // ### Xsun, but how to detect it?
// Xinerama is only supported in Solaris 7 with patches 107648/108376 and
// Solaris 8 or above which introduce the X11R6.4 Xserver.
// To switch the Xinerama functionality on, you need to add the "+xinerama"
// argument to the Xsun start line.
// At least Solaris 7 and 8 are missing Xinerama system headers and function
// declarations (bug 4284701).
// The Xinerama API is not documented. In theory it could change but it
// probably won't because Sun are using it in at least dtlogin (bug 4221829).
extern "C" Bool XPanoramiXQueryExtension(
    Display*,
    int*,
    int*
);
extern "C" Status XPanoramiXQueryVersion(
    Display*,
    int*,
    int*
);
extern "C" Status XPanoramiXGetState(
    Display*,
    Drawable,
    XPanoramiXInfo*
);
extern "C" Status XPanoramiXGetScreenCount(
    Display *,
    Drawable,
    XPanoramiXInfo*
);
extern "C" Status XPanoramiXGetScreenSize(
    Display*,
    Drawable,
    int,
    XPanoramiXInfo*
);
#  else // XFree86
// XFree86 does not C++ify Xinerama (at least up to XFree86 4.0.3).
extern "C" {
#    include <X11/extensions/Xinerama.h>
}
#  endif
#endif // TQT_NO_XINERAMA

// #define TQT_NO_XRANDR
#ifndef TQT_NO_XRANDR
#  include <X11/extensions/Xrandr.h>
#endif // TQT_NO_XRANDR

// #define TQT_NO_XRENDER
#ifndef TQT_NO_XRENDER
#  include <X11/extensions/Xrender.h>
// #define TQT_NO_XFTFREETYPE
#  ifndef TQT_NO_XFTFREETYPE
//   This hacks around the freetype poeple putting an #error into freetype.h in 2.1.7, making
//   it impossible to use an updated freetype with older Xft header files.
#    include <ft2build.h>
#    ifdef QT_USE_XFT2_HEADER
#      include <X11/Xft/Xft2.h>
#    else
#      include <X11/Xft/Xft.h>
#    endif // QT_USE_XFT2_HEADER
#    if defined(XFT_VERSION) && XFT_VERSION >= 20000
#      define QT_XFT2
#    else
#      include <X11/Xft/XftFreetype.h>
// Xft1 doesn't have these functions, so we implement them in qtaddons_x11.cpp
extern "C" {
    TQt::HANDLE XftDrawPicture( XftDraw * );
    void XftDrawSetClipRectangles(XftDraw *, int, int, XRectangle *, int);
    void XftDrawSetSubwindowMode(XftDraw *, int);
}
#    endif // XFT_VERSION
#  endif // TQT_NO_XFTFREETYPE
#else
// make sure TQT_NO_XFTFREETYPE is defined if TQT_NO_XRENDER is defined
#  ifndef TQT_NO_XFTFREETYPE
#    define TQT_NO_XFTFREETYPE
#  endif
#endif // TQT_NO_XRENDER


#ifndef TQT_NO_XSYNC
#  include <X11/extensions/sync.h>
#endif // TQT_NO_XSYNC


#ifndef TQT_NO_XKB
#  include <X11/XKBlib.h>
#endif // TQT_NO_XKB


#if !defined(XlibSpecificationRelease)
#  define X11R4
typedef char *XPointer;
#else
#  undef X11R4
#endif

// #define TQT_NO_XIM
#if defined(X11R4)
// X11R4 does not have XIM
#define TQT_NO_XIM
#elif defined(Q_OS_OSF) && (XlibSpecificationRelease < 6)
// broken in Xlib up to OSF/1 3.2
#define TQT_NO_XIM
#elif defined(Q_OS_AIX)
// broken in Xlib up to what version of AIX?
#define TQT_NO_XIM
#elif defined(TQT_NO_DEBUG) && defined(Q_OS_IRIX)
// XmbLookupString broken on IRIX
// XCreateIC broken when compiling -64 on IRIX 6.5.2
#define TQT_NO_XIM
#elif defined(Q_OS_HPUX) && defined(__LP64__)
// XCreateIC broken when compiling 64-bit ELF on HP-UX 11.0
#define TQT_NO_XIM
#elif defined(Q_OS_SCO)
// ### suggested by user...
// ### #define TQT_NO_XIM
#endif // TQT_NO_XIM


/*
 * Solaris patch 108652-47 and higher fixes crases in
 * XRegisterIMInstantiateCallback, but the function doesn't seem to
 * work.
 *
 * Instead, we disabled R6 input, and open the input method
 * immediately at application start.
 */
#if !defined(TQT_NO_XIM) && (XlibSpecificationRelease >= 6) && \
    !defined(Q_OS_SOLARIS)
#define USE_X11R6_XIM

//######### XFree86 has wrong declarations for XRegisterIMInstantiateCallback
//######### and XUnregisterIMInstantiateCallback in at least version 3.3.2.
//######### Many old X11R6 header files lack XSetIMValues.
//######### Therefore, we have to declare these functions ourselves.

extern "C" Bool XRegisterIMInstantiateCallback(
    Display*,
    struct _XrmHashBucketRec*,
    char*,
    char*,
    XIMProc, //XFree86 has XIDProc, which has to be wrong
    XPointer
);

extern "C" Bool XUnregisterIMInstantiateCallback(
    Display*,
    struct _XrmHashBucketRec*,
    char*,
    char*,
    XIMProc, //XFree86 has XIDProc, which has to be wrong
    XPointer
);

extern "C" char *XSetIMValues( XIM /* im */, ... );

#endif

#ifndef TQT_NO_XIM
// some platforms (eg. Solaris 2.51) don't have these defines in Xlib.h
#ifndef XNResetState
#define XNResetState "resetState"
#endif
#ifndef XIMPreserveState
#define XIMPreserveState (1L<<1)
#endif
#endif


#ifndef X11R4
#  include <X11/Xlocale.h>
#endif // X11R4


#ifdef QT_MITSHM
#  include <X11/extensions/XShm.h>
#endif // QT_MITSHM


#endif // TQT_X11_H