source: trunk/src/gui/kernel/qeventdispatcher_x11.cpp@ 949

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#include "qeventdispatcher_x11_p.h"

#include "qapplication.h"
#include "qx11info_x11.h"

#include "qt_x11_p.h"
#include <private/qeventdispatcher_unix_p.h>

QT_BEGIN_NAMESPACE

class QEventDispatcherX11Private : public QEventDispatcherUNIXPrivate
{
    Q_DECLARE_PUBLIC(QEventDispatcherX11)
public:
    inline QEventDispatcherX11Private()
        : xfd(-1)
    { }
    int xfd;
    QList<XEvent> queuedUserInputEvents;
};

QEventDispatcherX11::QEventDispatcherX11(QObject *parent)
    : QEventDispatcherUNIX(*new QEventDispatcherX11Private, parent)
{ }

QEventDispatcherX11::~QEventDispatcherX11()
{ }

bool QEventDispatcherX11::processEvents(QEventLoop::ProcessEventsFlags flags)
{
    Q_D(QEventDispatcherX11);

    d->interrupt = false;
    QApplication::sendPostedEvents();

    ulong marker = XNextRequest(X11->display);
    int nevents = 0;
    do {
        while (!d->interrupt) {
            XEvent event;
            if (!(flags & QEventLoop::ExcludeUserInputEvents)
                && !d->queuedUserInputEvents.isEmpty()) {
                // process a pending user input event
                event = d->queuedUserInputEvents.takeFirst();
            } else if (XEventsQueued(X11->display, QueuedAlready)) {
                // process events from the X server
                XNextEvent(X11->display, &event);

                if (flags & QEventLoop::ExcludeUserInputEvents) {
                    // queue user input events