From 2312b121131774a84d01854b3e47d3d2a035a6a1 Mon Sep 17 00:00:00 2001 From: Denis Dzyubenko Date: Thu, 4 Jun 2009 12:10:06 +0200 Subject: Implemented the NET_WM_SYNC protocol on X11. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Done with Thorbjørn Lindeijer Task-number: 220550 Reviewed-by: Thorbjørn Lindeijer Reviewed-by: mae --- src/gui/kernel/qapplication_x11.cpp | 87 ++++++++++++++++++++++++++++++++++++- src/gui/kernel/qt_x11_p.h | 6 +++ src/gui/kernel/qwidget_p.h | 8 ++++ src/gui/kernel/qwidget_x11.cpp | 28 +++++++++++- 4 files changed, 127 insertions(+), 2 deletions(-) diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp index 1473421..8ebea19 100644 --- a/src/gui/kernel/qapplication_x11.cpp +++ b/src/gui/kernel/qapplication_x11.cpp @@ -157,6 +157,8 @@ static const char * x11_atomnames = { "WM_TAKE_FOCUS\0" "_NET_WM_PING\0" "_NET_WM_CONTEXT_HELP\0" + "_NET_WM_SYNC_REQUEST\0" + "_NET_WM_SYNC_REQUEST_COUNTER\0" // ICCCM window state "WM_STATE\0" @@ -508,6 +510,7 @@ static Bool qt_xfixes_scanner(Display*, XEvent *event, XPointer arg) class QETWidget : public QWidget // event translator widget { public: + QWidgetPrivate* d_func() { return QWidget::d_func(); } bool translateMouseEvent(const XEvent *); void translatePaintEvent(const XEvent *); bool translateConfigEvent(const XEvent *); @@ -718,6 +721,44 @@ static int qt_xio_errhandler(Display *) } #endif +#ifndef QT_NO_XSYNC +struct qt_sync_request_event_data +{ + WId window; +}; + +#if defined(Q_C_CALLBACKS) +extern "C" { +#endif + +static Bool qt_sync_request_scanner(Display*, XEvent *event, XPointer arg) +{ + qt_sync_request_event_data *data = + reinterpret_cast(arg); + if (event->type == ClientMessage && + event->xany.window == data->window && + event->xclient.message_type == ATOM(WM_PROTOCOLS) && + (Atom)event->xclient.data.l[0] == ATOM(_NET_WM_SYNC_REQUEST)) { + QWidget *w = QWidget::find(event->xany.window); + if (QTLWExtra *tlw = ((QETWidget*)w)->d_func()->maybeTopData()) { + const ulong timestamp = (const ulong) event->xclient.data.l[1]; + if (timestamp > X11->time) + X11->time = timestamp; + if (timestamp == CurrentTime || timestamp > tlw->syncRequestTimestamp) { + tlw->syncRequestTimestamp = timestamp; + tlw->newCounterValueLo = event->xclient.data.l[2]; + tlw->newCounterValueHi = event->xclient.data.l[3]; + } + } + return true; + } + return false; +} + +#if defined(Q_C_CALLBACKS) +} +#endif +#endif // QT_NO_XSYNC static void qt_x11_create_intern_atoms() { @@ -2090,6 +2131,13 @@ void qt_init(QApplicationPrivate *priv, int, #endif // QT_RUNTIME_XCURSOR #endif // QT_NO_XCURSOR +#ifndef QT_NO_XSYNC + int xsync_evbase, xsync_errbase; + int major, minor; + if (XSyncQueryExtension(X11->display, &xsync_evbase, &xsync_errbase)) + XSyncInitialize(X11->display, &major, &minor); +#endif // QT_NO_XSYNC + #ifndef QT_NO_XINERAMA #ifdef QT_RUNTIME_XINERAMA X11->ptrXineramaQueryExtension = 0; @@ -3116,6 +3164,19 @@ int QApplication::x11ClientMessage(QWidget* w, XEvent* event, bool passive_only) XSendEvent(event->xclient.display, event->xclient.window, False, SubstructureNotifyMask|SubstructureRedirectMask, event); } +#ifndef QT_NO_XSYNC + } else if (a == ATOM(_NET_WM_SYNC_REQUEST)) { + const ulong timestamp = (const ulong) event->xclient.data.l[1]; + if (timestamp > X11->time) + X11->time = timestamp; + if (QTLWExtra *tlw = w->d_func()->maybeTopData()) { + if (timestamp == CurrentTime || timestamp > tlw->syncRequestTimestamp) { + tlw->syncRequestTimestamp = timestamp; + tlw->newCounterValueLo = event->xclient.data.l[2]; + tlw->newCounterValueHi = event->xclient.data.l[3]; + } + } +#endif } } else if (event->xclient.message_type == ATOM(_QT_SCROLL_DONE)) { widget->translateScrollDoneEvent(event); @@ -4144,7 +4205,9 @@ bool QETWidget::translateMouseEvent(const XEvent *event) || ((nextEvent.type == EnterNotify || nextEvent.type == LeaveNotify) && qt_button_down == this) || (nextEvent.type == ClientMessage - && nextEvent.xclient.message_type == ATOM(_QT_SCROLL_DONE))) { + && (nextEvent.xclient.message_type == ATOM(_QT_SCROLL_DONE) || + (nextEvent.xclient.message_type == ATOM(WM_PROTOCOLS) && + (Atom)nextEvent.xclient.data.l[0] == ATOM(_NET_WM_SYNC_REQUEST))))) { qApp->x11ProcessEvent(&nextEvent); continue; } else if (nextEvent.type != MotionNotify || @@ -5200,6 +5263,14 @@ bool QETWidget::translateConfigEvent(const XEvent *event) otherEvent.xconfigure.border_width; } } +#ifndef QT_NO_XSYNC + qt_sync_request_event_data sync_event; + sync_event.window = internalWinId(); + for (XEvent ev;;) { + if (!XCheckIfEvent(X11->display, &ev, &qt_sync_request_scanner, (XPointer)&sync_event)) + break; + } +#endif // QT_NO_XSYNC } QRect cr (geometry()); @@ -5285,6 +5356,20 @@ bool QETWidget::translateConfigEvent(const XEvent *event) if (d->extra && d->extra->topextra) d->extra->topextra->inTopLevelResize = false; } +#ifndef QT_NO_XSYNC + if (QTLWExtra *tlwExtra = d->maybeTopData()) { + if (tlwExtra->newCounterValueLo != 0 || tlwExtra->newCounterValueHi != 0) { + XSyncValue value; + XSyncIntsToValue(&value, + tlwExtra->newCounterValueLo, + tlwExtra->newCounterValueHi); + + XSyncSetCounter(X11->display, tlwExtra->syncUpdateCounter, value); + tlwExtra->newCounterValueHi = 0; + tlwExtra->newCounterValueLo = 0; + } + } +#endif return true; } diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h index b9ace9d..21bb550 100644 --- a/src/gui/kernel/qt_x11_p.h +++ b/src/gui/kernel/qt_x11_p.h @@ -154,6 +154,10 @@ extern "C" { # include #endif // QT_NO_XRENDER +#ifndef QT_NO_XSYNC +# include "X11/extensions/sync.h" +#endif + // #define QT_NO_XKB #ifndef QT_NO_XKB # include @@ -514,6 +518,8 @@ struct QX11Data WM_TAKE_FOCUS, _NET_WM_PING, _NET_WM_CONTEXT_HELP, + _NET_WM_SYNC_REQUEST, + _NET_WM_SYNC_REQUEST_COUNTER, // ICCCM window state WM_STATE, diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h index bf4f091..ff194f7 100644 --- a/src/gui/kernel/qwidget_p.h +++ b/src/gui/kernel/qwidget_p.h @@ -131,6 +131,10 @@ struct QTLWExtra { uint embedded : 1; // *************************** Platform specific values (bit fields first) ********** +#ifndef QT_NO_XSYNC + int newCounterValueHi : 32; + uint newCounterValueLo : 32; +#endif #if defined(Q_WS_X11) // <----------------------------------------------------------- X11 uint spont_unmapped: 1; // window was spontaneously unmapped uint dnd : 1; // DND properties installed @@ -156,6 +160,10 @@ struct QTLWExtra { QWSManager *qwsManager; #endif #endif +#ifndef QT_NO_XSYNC + WId syncUpdateCounter; + ulong syncRequestTimestamp; +#endif }; struct QWExtra { diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp index 4e34045..8159f8e 100644 --- a/src/gui/kernel/qwidget_x11.cpp +++ b/src/gui/kernel/qwidget_x11.cpp @@ -754,11 +754,14 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO qBound(1, data.crect.width(), XCOORD_MAX), qBound(1, data.crect.height(), XCOORD_MAX)); XStoreName(dpy, id, appName.data()); - Atom protocols[4]; + Atom protocols[5]; int n = 0; protocols[n++] = ATOM(WM_DELETE_WINDOW); // support del window protocol protocols[n++] = ATOM(WM_TAKE_FOCUS); // support take focus window protocol protocols[n++] = ATOM(_NET_WM_PING); // support _NET_WM_PING protocol +#ifndef QT_NO_XSYNC + protocols[n++] = ATOM(_NET_WM_SYNC_REQUEST); // support _NET_WM_SYNC_REQUEST protocol +#endif // QT_NO_XSYNC if (flags & Qt::WindowContextHelpButtonHint) protocols[n++] = ATOM(_NET_WM_CONTEXT_HELP); XSetWMProtocols(dpy, id, protocols, n); @@ -1877,6 +1880,23 @@ void QWidgetPrivate::show_sys() if (setUserTime) qt_net_update_user_time(q, userTime); +#ifndef QT_NO_XSYNC + if (!topData()->syncUpdateCounter) { + XSyncValue value; + XSyncIntToValue(&value, 0); + topData()->syncUpdateCounter = XSyncCreateCounter(X11->display, value); + + XChangeProperty(X11->display, q->internalWinId(), + ATOM(_NET_WM_SYNC_REQUEST_COUNTER), + XA_CARDINAL, + 32, PropModeReplace, + (uchar *) &topData()->syncUpdateCounter, 1); + + topData()->newCounterValueHi = 0; + topData()->newCounterValueLo = 0; + } +#endif + if (!topData()->embedded && (topData()->validWMState || topData()->waitingForMapNotify) && !q->isMinimized()) { @@ -2687,6 +2707,12 @@ void QWidgetPrivate::createTLSysExtra() extra->topextra->waitingForMapNotify = 0; extra->topextra->parentWinId = 0; extra->topextra->userTimeWindow = 0; +#ifndef QT_NO_XSYNC + extra->topextra->syncUpdateCounter = 0; + extra->topextra->syncRequestTimestamp = 0; + extra->topextra->newCounterValueHi = 0; + extra->topextra->newCounterValueLo = 0; +#endif } void QWidgetPrivate::deleteTLSysExtra() -- cgit v0.12