qt_x11_p.h

奇趣公司比较新的qt/emd版本

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#ifndef QT_X11_P_H
#define QT_X11_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "QtGui/qwindowdefs.h"
#include "QtCore/qlist.h"
#include "QtCore/qvariant.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>
#ifdef index
# undef index
#endif
#ifdef rindex
# undef rindex
#endif
#include <X11/Xatom.h>

//#define QT_NO_SHAPE
#ifdef QT_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 // QT_NO_SHAPE


#if !defined (QT_NO_TABLET)
#  include <X11/extensions/XInput.h>
#if defined (Q_OS_IRIX)
#  include <X11/extensions/SGIMisc.h>
#  include <wacom.h>
#endif
#endif // QT_NO_TABLET


// #define QT_NO_XINERAMA
#ifndef QT_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 // QT_NO_XINERAMA

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

// #define QT_NO_XRENDER
#ifndef QT_NO_XRENDER
#  include <X11/extensions/Xrender.h>
#endif // QT_NO_XRENDER

// #define QT_NO_XKB
#ifndef QT_NO_XKB
#  include <X11/XKBlib.h>
#endif // QT_NO_XKB


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

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

#ifndef QT_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

class QWidget;


struct QX11InfoData {
    uint ref;
    int screen;
    int dpiX;
    int dpiY;
    int depth;
    int cells;
    Colormap colormap;
    Visual *visual;
    bool defaultColormap;
    bool defaultVisual;
    int subpixel;
};

class QDrag;
struct QXdndDropTransaction
{
    Time timestamp;
    Window target;
    Window proxy_target;
    QWidget *targetWidget;
    QWidget *embedding_widget;
    QDrag *object;
};

class QMimeData;

struct QX11Data;
extern QX11Data *qt_x11Data;

enum DesktopEnvironment {
    DE_UNKNOWN,
    DE_KDE,
    DE_GNOME,
    DE_CDE,
    DE_4DWM
};

struct QX11Data
{
    static Qt::KeyboardModifiers translateModifiers(int s);

    Window findClientWindow(Window, Atom, bool);

    // from qclipboard_x11.cpp
    bool clipboardWaitForEvent(Window win, int type, XEvent *event, int timeout);
    bool clipboardReadProperty(Window win, Atom property, bool deleteProperty,
                            QByteArray *buffer, int *size, Atom *type, int *format, bool nullterm);
    QByteArray clipboardReadIncrementalProperty(Window win, Atom property, int nbytes, bool nullterm);

    // from qdnd_x11.cpp
    bool dndEnable(QWidget* w, bool on);
    static void xdndSetup();
    void xdndHandleEnter(QWidget *, const XEvent *, bool);
    void xdndHandlePosition(QWidget *, const XEvent *, bool);
    void xdndHandleStatus(QWidget *, const XEvent *, bool);
    void xdndHandleLeave(QWidget *, const XEvent *, bool);
    void xdndHandleDrop(QWidget *, const XEvent *, bool);