qx11embed_x11.cpp File Reference

#include "qplatformdefs.h"
#include "qx11embed_x11.h"
#include <qapplication.h>
#include <qevent.h>
#include <qpainter.h>
#include <qlayout.h>
#include <qstyle.h>
#include <qstyleoption.h>
#include <qelapsedtimer.h>
#include <qpointer.h>
#include <qdebug.h>
#include <qx11info_x11.h>
#include <private/qt_x11_p.h>
#include <private/qwidget_p.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <X11/keysymdef.h>
#include <X11/X.h>

Go to the source code of this file.

Classes
struct	functorData
class	QHackWidget
class	QX11EmbedContainerPrivate
class	QX11EmbedWidgetPrivate

Macros
#define	None   0
#define	XK_ISO_Left_Tab   0xFE20
#define	XK_LATIN1
#define	XK_MISCELLANY

Enumerations
enum	QX11EmbedAccelFlags { XEMBED_ACCELERATOR_OVERLOADED = (1 << 0) }
enum	QX11EmbedAccelModifiers {   XEMBED_MODIFIER_SHIFT = (1 << 0), XEMBED_MODIFIER_CONTROL = (1 << 1), XEMBED_MODIFIER_ALT = (1 << 2), XEMBED_MODIFIER_SUPER = (1 << 3),   XEMBED_MODIFIER_HYPER = (1 << 4) }
enum	QX11EmbedFocusInDetail { XEMBED_FOCUS_CURRENT = 0, XEMBED_FOCUS_FIRST = 1, XEMBED_FOCUS_LAST = 2 }
enum	QX11EmbedFocusInFlags { XEMBED_FOCUS_OTHER = (0 << 0), XEMBED_FOCUS_WRAPAROUND = (1 << 0) }
enum	QX11EmbedInfoFlags { XEMBED_MAPPED = (1 << 0) }
enum	QX11EmbedMessageType {   XEMBED_EMBEDDED_NOTIFY = 0, XEMBED_WINDOW_ACTIVATE = 1, XEMBED_WINDOW_DEACTIVATE = 2, XEMBED_REQUEST_FOCUS = 3,   XEMBED_FOCUS_IN = 4, XEMBED_FOCUS_OUT = 5, XEMBED_FOCUS_NEXT = 6, XEMBED_FOCUS_PREV = 7,   XEMBED_MODALITY_ON = 10, XEMBED_MODALITY_OFF = 11, XEMBED_REGISTER_ACCELERATOR = 12, XEMBED_UNREGISTER_ACCELERATOR = 13,   XEMBED_ACTIVATE_ACCELERATOR = 14 }

Functions
static Bool	functor (Display *display, XEvent *event, XPointer arg)
static void	sendXEmbedMessage (WId window, Display *display, long message, long detail=0, long data1=0, long data2=0)
static int	x11ErrorHandler (Display *, XErrorEvent *)
static bool	x11EventFilter (void *message, long *result)
static Time	x11Time ()
static unsigned int	XEmbedVersion ()

Variables
static XKeyEvent	lastKeyEvent
static QCoreApplication::EventFilter	oldX11EventFilter
const int	XButtonPress = ButtonPress
const int	XButtonRelease = ButtonRelease
static unsigned int	XEMBED_VERSION = 0

Macro Definition Documentation

None

#define None   0

Definition at line 59 of file qx11embed_x11.cpp.

Referenced by QX11EmbedContainerPrivate::acceptClient(), QSpanData::adjustSpanMethods(), QX11EmbedContainerPrivate::checkGrab(), QTextStreamPrivate::getReal(), QMdiSubWindowPrivate::isResizeOperation(), QTransformedScreen::isTransformed(), QAbstractSpinBox::mousePressEvent(), QWSKeyboardHandler::processKeycode(), QAbstractSpinBoxPrivate::reset(), QSpanData::setup(), and QUrl::swap().

XK_ISO_Left_Tab

#define XK_ISO_Left_Tab   0xFE20

Definition at line 67 of file qx11embed_x11.cpp.

XK_LATIN1

#define XK_LATIN1

Definition at line 58 of file qx11embed_x11.cpp.

XK_MISCELLANY

#define XK_MISCELLANY

Definition at line 57 of file qx11embed_x11.cpp.

Enumeration Type Documentation

QX11EmbedAccelFlags

enum QX11EmbedAccelFlags

Enumerator
XEMBED_ACCELERATOR_OVERLOADED

Definition at line 346 of file qx11embed_x11.cpp.

                         {
    XEMBED_ACCELERATOR_OVERLOADED = (1 << 0)
};

QX11EmbedAccelModifiers

enum QX11EmbedAccelModifiers

Enumerator
XEMBED_MODIFIER_SHIFT
XEMBED_MODIFIER_CONTROL
XEMBED_MODIFIER_ALT
XEMBED_MODIFIER_SUPER
XEMBED_MODIFIER_HYPER

Definition at line 338 of file qx11embed_x11.cpp.

                             {
    XEMBED_MODIFIER_SHIFT = (1 << 0),
    XEMBED_MODIFIER_CONTROL = (1 << 1),
    XEMBED_MODIFIER_ALT = (1 << 2),
    XEMBED_MODIFIER_SUPER = (1 << 3),
    XEMBED_MODIFIER_HYPER = (1 << 4)
};

QX11EmbedFocusInDetail

enum QX11EmbedFocusInDetail

Enumerator
XEMBED_FOCUS_CURRENT
XEMBED_FOCUS_FIRST
XEMBED_FOCUS_LAST

Definition at line 323 of file qx11embed_x11.cpp.

                            {
    XEMBED_FOCUS_CURRENT = 0,
    XEMBED_FOCUS_FIRST = 1,
    XEMBED_FOCUS_LAST = 2
};

QX11EmbedFocusInFlags

enum QX11EmbedFocusInFlags

Enumerator
XEMBED_FOCUS_OTHER
XEMBED_FOCUS_WRAPAROUND

Definition at line 329 of file qx11embed_x11.cpp.

                           {
    XEMBED_FOCUS_OTHER = (0 << 0),
    XEMBED_FOCUS_WRAPAROUND = (1 << 0)
};

QX11EmbedInfoFlags

enum QX11EmbedInfoFlags

Enumerator
XEMBED_MAPPED

Definition at line 334 of file qx11embed_x11.cpp.

                        {
    XEMBED_MAPPED = (1 << 0)
};

QX11EmbedMessageType

enum QX11EmbedMessageType

Enumerator
XEMBED_EMBEDDED_NOTIFY
XEMBED_WINDOW_ACTIVATE
XEMBED_WINDOW_DEACTIVATE
XEMBED_REQUEST_FOCUS
XEMBED_FOCUS_IN
XEMBED_FOCUS_OUT
XEMBED_FOCUS_NEXT
XEMBED_FOCUS_PREV
XEMBED_MODALITY_ON
XEMBED_MODALITY_OFF
XEMBED_REGISTER_ACCELERATOR
XEMBED_UNREGISTER_ACCELERATOR
XEMBED_ACTIVATE_ACCELERATOR

Definition at line 307 of file qx11embed_x11.cpp.

                          {
    XEMBED_EMBEDDED_NOTIFY = 0,
    XEMBED_WINDOW_ACTIVATE = 1,
    XEMBED_WINDOW_DEACTIVATE = 2,
    XEMBED_REQUEST_FOCUS = 3,
    XEMBED_FOCUS_IN = 4,
    XEMBED_FOCUS_OUT = 5,
    XEMBED_FOCUS_NEXT = 6,
    XEMBED_FOCUS_PREV = 7,
    XEMBED_MODALITY_ON = 10,
    XEMBED_MODALITY_OFF = 11,
    XEMBED_REGISTER_ACCELERATOR = 12,
    XEMBED_UNREGISTER_ACCELERATOR = 13,
    XEMBED_ACTIVATE_ACCELERATOR = 14
};

Function Documentation

functor()

static Bool functor ( Display *  display, XEvent *  event, XPointer  arg  )

static

Definition at line 418 of file qx11embed_x11.cpp.

Referenced by QX11EmbedContainer::embedClient().

{
    functorData *data = (functorData *) arg;

    if (!data->reparentedToRoot && event->type == ReparentNotify
        && event->xreparent.window == data->id
        && event->xreparent.parent == data->rootWindow) {
        data->reparentedToRoot = true;
        return true;
    }

    if (!data->clearedWmState
        && event->type == PropertyNotify
        && event->xproperty.window == data->id
        && event->xproperty.atom == ATOM(WM_STATE)) {
    if (event->xproperty.state == PropertyDelete) {
            data->clearedWmState = true;
            return true;
        }

    Atom ret;
    int format, status;
    unsigned char *retval;
    unsigned long nitems, after;
    status = XGetWindowProperty(display, data->id, ATOM(WM_STATE), 0, 2, False, ATOM(WM_STATE),
                    &ret, &format, &nitems, &after, &retval );
    if (status == Success && ret == ATOM(WM_STATE) && format == 32 && nitems > 0) {
            long state = *(long *)retval;
            XFree(retval);
            if (state == WithdrawnState) {
                data->clearedWmState = true;
        return true;
            }
    }
    }

    return false;
}

sendXEmbedMessage()

static void sendXEmbedMessage ( WId  window, Display *  display, long  message, long  detail = 0, long  data1 = 0, long  data2 = 0  )

static

Definition at line 370 of file qx11embed_x11.cpp.

Referenced by QX11EmbedContainerPrivate::acceptClient(), QX11EmbedWidgetPrivate::checkActivateWindow(), QX11EmbedWidget::eventFilter(), QX11EmbedContainer::eventFilter(), and QX11EmbedContainer::x11Event().

{
    XClientMessageEvent c;
    memset(&c, 0, sizeof(c));
    c.type = ClientMessage;
    c.message_type = ATOM(_XEMBED);
    c.format = 32;
    c.display = display;
    c.window = window;

    c.data.l[0] = x11Time();
    c.data.l[1] = message;
    c.data.l[2] = detail;
    c.data.l[3] = data1;
    c.data.l[4] = data2;

    XSendEvent(display, window, false, NoEventMask, (XEvent *) &c);
}

x11ErrorHandler()

static int x11ErrorHandler ( Display *  , XErrorEvent *    )

static

Definition at line 351 of file qx11embed_x11.cpp.

Referenced by QX11EmbedContainer::QX11EmbedContainer(), and QX11EmbedWidget::QX11EmbedWidget().

{
    return 0;
}

x11EventFilter()

static bool x11EventFilter ( void *  message, long *  result  )

static

Definition at line 398 of file qx11embed_x11.cpp.

Referenced by QApplication::isLeftToRight(), and QX11EmbedContainer::QX11EmbedContainer().

{
    XEvent *event = reinterpret_cast<XEvent *>(message);
    if (event->type == XKeyPress || event->type == XKeyRelease)
    lastKeyEvent = event->xkey;

    if (oldX11EventFilter && oldX11EventFilter != &x11EventFilter)
    return oldX11EventFilter(message, result);
    else
    return false;
}

x11Time()

static Time x11Time ( )

static

Definition at line 358 of file qx11embed_x11.cpp.

Referenced by QX11EmbedContainerPrivate::acceptClient(), QX11EmbedContainer::eventFilter(), and sendXEmbedMessage().

{
    return qt_x11Data->time;
}

XEmbedVersion()

static unsigned int XEmbedVersion ( )

static

Definition at line 364 of file qx11embed_x11.cpp.

Referenced by QX11EmbedContainerPrivate::acceptClient().

{
    return 0;
}

Variable Documentation

lastKeyEvent

XKeyEvent lastKeyEvent

static

Definition at line 391 of file qx11embed_x11.cpp.

oldX11EventFilter

QCoreApplication::EventFilter oldX11EventFilter

static

Definition at line 393 of file qx11embed_x11.cpp.

Referenced by x11EventFilter().

XButtonPress

const int XButtonPress = ButtonPress

Definition at line 291 of file qx11embed_x11.cpp.

Referenced by QX11EmbedContainer::x11Event().

XButtonRelease

const int XButtonRelease = ButtonRelease

Definition at line 292 of file qx11embed_x11.cpp.

Referenced by QX11EmbedContainer::x11Event().

XEMBED_VERSION

unsigned int XEMBED_VERSION = 0

static

Definition at line 305 of file qx11embed_x11.cpp.

Referenced by QX11EmbedContainer::hideEvent(), QX11EmbedWidget::QX11EmbedWidget(), and QX11EmbedContainer::showEvent().