Changeset 561 for trunk/src/gui/kernel/qapplication_x11.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/kernel/qapplication_x11.cpp (modified) (64 diffs)

trunk/src/gui/kernel/qapplication_x11.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtGui module of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -79 +79 @@
 #include <private/qcolor_p.h>
 #include <private/qcursor_p.h>
+#include <private/qiconloader_p.h>
+#include <qgtkstyle.h>
 #include "qstyle.h"
 #include "qmetaobject.h"
@@ -84 +86 @@
 #include "qlibrary.h"
 #include <private/qgraphicssystemfactory_p.h>
+#include "qguiplatformplugin_p.h"
+#include "qkde_p.h"
 
 #if !defined (QT_NO_TABLET)
@@ -118 +122 @@
 #define XK_MISCELLANY
 #include <X11/keysymdef.h>
+#if !defined(QT_NO_XINPUT)
 #include <X11/extensions/XI.h>
+#endif
 
 #include <stdlib.h>
@@ -128 +134 @@
 
 #include <private/qbackingstore_p.h>
+
+#ifdef QT_RX71_MULTITOUCH
+#  include <qsocketnotifier.h>
+#  include <linux/input.h>
+#  include <errno.h>
+#endif
+
+#if _POSIX_VERSION+0 < 200112L && !defined(Q_OS_BSD4)
+# define QT_NO_UNSETENV
+#endif
 
 QT_BEGIN_NAMESPACE
@@ -158 +174 @@
     "_NET_WM_PING\0"
     "_NET_WM_CONTEXT_HELP\0"
+    "_NET_WM_SYNC_REQUEST\0"
+    "_NET_WM_SYNC_REQUEST_COUNTER\0"
 
     // ICCCM window state
@@ -174 +192 @@
     "MULTIPLE\0"
     "TIMESTAMP\0"
+    "SAVE_TARGETS\0"
     "CLIP_TEMPORARY\0"
     "_QT_SELECTION\0"
     "_QT_CLIPBOARD_SENTINEL\0"
     "_QT_SELECTION_SENTINEL\0"
+    "CLIPBOARD_MANAGER\0"
 
     "RESOURCE_MANAGER\0"
@@ -295 +315 @@
     "_XEMBED\0"
     "_XEMBED_INFO\0"
+
+    "Wacom Stylus\0"
+    "Wacom Cursor\0"
+    "Wacom Eraser\0"
 };
 
@@ -399 +423 @@
 extern bool qt_is_gui_used;
 
-/*! 
+/*!
     \internal
     Try to resolve a \a symbol from \a library with the version specified
@@ -505 +529 @@
 {
 public:
+    QWidgetPrivate* d_func() { return QWidget::d_func(); }
     bool translateMouseEvent(const XEvent *);
     void translatePaintEvent(const XEvent *);
@@ -639 +664 @@
 
     default:
+#if !defined(QT_NO_XINPUT)
         if (err->request_code == X11->xinput_major
             && err->error_code == (X11->xinput_errorbase + XI_BadDevice)
@@ -644 +670 @@
             return 0;
         }
+#endif
         break;
     }
@@ -715 +742 @@
 #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<qt_sync_request_event_data*>(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()
@@ -753 +818 @@
                     ATOM(_QT_SETTINGS_TIMESTAMP), ATOM(_QT_SETTINGS_TIMESTAMP), 8,
                     PropModeReplace, (unsigned char *)stamp.data(), stamp.size());
-}
-
-/*! \internal
-    Gets the current KDE 3 or 4 home path
-*/
-QString QApplicationPrivate::kdeHome()
-{
-    static QString kdeHomePath;
-    if (kdeHomePath.isEmpty()) {
-        kdeHomePath = QString::fromLocal8Bit(qgetenv("KDEHOME"));
-        if (kdeHomePath.isEmpty()) {
-            int kdeSessionVersion = QString::fromLocal8Bit(qgetenv("KDE_SESSION_VERSION")).toInt();
-            QDir homeDir(QDir::homePath());
-            QString kdeConfDir(QLatin1String("/.kde"));
-            if (4 == kdeSessionVersion && homeDir.exists(QLatin1String(".kde4")))
-                kdeConfDir = QLatin1String("/.kde4");
-            kdeHomePath = QDir::homePath() + kdeConfDir;
-        }
-    }
-    return kdeHomePath;
 }
 
@@ -831 +876 @@
 
     // ### Fix properly for 4.6
-    if (!(QApplicationPrivate::app_style && QApplicationPrivate::app_style->inherits("QGtkStyle"))) {
+    bool usingGtkSettings = QApplicationPrivate::app_style && QApplicationPrivate::app_style->inherits("QGtkStyle");
+    if (!usingGtkSettings) {
         if (groupCount == QPalette::NColorGroups)
             QApplicationPrivate::setSystemPalette(pal);
     }
 
-    int kdeSessionVersion = QString::fromLocal8Bit(qgetenv("KDE_SESSION_VERSION")).toInt();
- 
     if (!appFont) {
-        QFont font(QApplication::font());
-        QString fontDescription;
-        // Override Qt font if KDE4 settings can be used
-        if (4 == kdeSessionVersion) {
-            QSettings kdeSettings(kdeHome() + QLatin1String("/share/config/kdeglobals"), QSettings::IniFormat);
-            fontDescription = kdeSettings.value(QLatin1String("font")).toString();
-            if (fontDescription.isEmpty()) {
-                // KDE stores fonts without quotes
-                fontDescription = kdeSettings.value(QLatin1String("font")).toStringList().join(QLatin1String(","));
-            }
-        }
-        if (fontDescription.isEmpty())
-            fontDescription = settings.value(QLatin1String("font")).toString();
-        if (!fontDescription .isEmpty()) {
-            font.fromString(fontDescription );
-            QApplicationPrivate::setSystemFont(font);
+        // ### Fix properly for 4.6
+        if (!usingGtkSettings) {
+            QFont font(QApplication::font());
+            QString fontDescription;
+            // Override Qt font if KDE4 settings can be used
+            if (X11->desktopVersion == 4) {
+                QSettings kdeSettings(QKde::kdeHome() + QLatin1String("/share/config/kdeglobals"), QSettings::IniFormat);
+                fontDescription = kdeSettings.value(QLatin1String("font")).toString();
+                if (fontDescription.isEmpty()) {
+                    // KDE stores fonts without quotes
+                    fontDescription = kdeSettings.value(QLatin1String("font")).toStringList().join(QLatin1String(","));
+                }
+            }
+            if (fontDescription.isEmpty())
+                fontDescription = settings.value(QLatin1String("font")).toString();
+            if (!fontDescription .isEmpty()) {
+                font.fromString(fontDescription );
+                QApplicationPrivate::setSystemFont(font);
+            }
         }
     }
@@ -872 +919 @@
     // read new QStyle
     QString stylename = settings.value(QLatin1String("style")).toString();
-    if (stylename.isEmpty() && !QApplicationPrivate::styleOverride && X11->use_xrender) {
-        QStringList availableStyles = QStyleFactory::keys();
-        // Override Qt style if KDE4 settings can be used
-        if (4 == kdeSessionVersion) {
-            QSettings kdeSettings(kdeHome() + QLatin1String("/share/config/kdeglobals"), QSettings::IniFormat);
-            QString kde4Style = kdeSettings.value(QLatin1String("widgetStyle"),
-                                                  QLatin1String("Oxygen")).toString();
-            foreach (const QString &style, availableStyles) {
-                if (style.toLower() == kde4Style.toLower())
-                    stylename = kde4Style;
-            }
-        // Set QGtkStyle for GNOME
-        } else if (X11->desktopEnvironment == DE_GNOME) {
-            QString gtkStyleKey = QString::fromLatin1("GTK+");
-            if (availableStyles.contains(gtkStyleKey))
-                stylename = gtkStyleKey;
-        }
+
+    if (stylename.isEmpty() && QApplicationPrivate::styleOverride.isNull() && X11->use_xrender) {
+        stylename = qt_guiPlatformPlugin()->styleName();
     }
 
     static QString currentStyleName = stylename;
     if (QCoreApplication::startingUp()) {
-        if (!stylename.isEmpty() && !QApplicationPrivate::styleOverride)
-            QApplicationPrivate::styleOverride = new QString(stylename);
+        if (!stylename.isEmpty() && QApplicationPrivate::styleOverride.isNull())
+            QApplicationPrivate::styleOverride = stylename;
     } else {
         if (currentStyleName != stylename) {
@@ -1044 +1077 @@
 }
 
-// Reads a KDE color setting
-static QColor kdeColor(const QString &key)
-{
-    QSettings kdeSettings(QApplicationPrivate::kdeHome() +
-                          QLatin1String("/share/config/kdeglobals"), QSettings::IniFormat);
-    QVariant variant = kdeSettings.value(key);
-    if (variant.isValid()) {
-        QStringList values = variant.toStringList();
-        if (values.size() == 3) {
-            int r = values[0].toInt();
-            int g = values[1].toInt();
-            int b = values[2].toInt();
-            return QColor(r, g, b);
-        }
-    }
-    return QColor();
-}
-
 // set font, foreground and background from x11 resources. The
 // arguments may override the resource settings.
@@ -1082 +1097 @@
         // first, read from settings
         QApplicationPrivate::x11_apply_settings();
-
         // the call to QApplication::style() below creates the system
         // palette, which breaks the logic after the RESOURCE_MANAGER
@@ -1228 +1242 @@
         QApplicationPrivate::setSystemFont(fnt);
     }
+    // QGtkStyle sets it's own system palette
+    bool gtkStyle = QApplicationPrivate::app_style && QApplicationPrivate::app_style->inherits("QGtkStyle");
     bool kdeColors = (QApplication::desktopSettingsAware() && X11->desktopEnvironment == DE_KDE);
-
-    if (kdeColors || (button || !resBG.isEmpty() || !resFG.isEmpty())) {// set app colors
+    if (!gtkStyle && (kdeColors || (button || !resBG.isEmpty() || !resFG.isEmpty()))) {// set app colors
         bool allowX11ColorNames = QColor::allowX11ColorNames();
         QColor::setAllowX11ColorNames(true);
@@ -1266 +1281 @@
         }
 
-        if (kdeColors) {
-            // Setup KDE palette
-            QColor color;
-            color = kdeColor(QLatin1String("buttonBackground"));
-            if (!color.isValid())
-                color = kdeColor(QLatin1String("Colors:Button/BackgroundNormal"));
-            if (color.isValid())
-                btn = color;
-
-            color = kdeColor(QLatin1String("background"));
-            if (!color.isValid())
-                color = kdeColor(QLatin1String("Colors:Window/BackgroundNormal"));
-            if (color.isValid())
-                bg = color;
-
-            color = kdeColor(QLatin1String("foreground"));
-            if (!color.isValid())
-                color = kdeColor(QLatin1String("Colors:View/ForegroundNormal"));
-            if (color.isValid()) {
-                fg = color;
-            }
-
-            color = kdeColor(QLatin1String("windowForeground"));
-            if (!color.isValid())
-                color = kdeColor(QLatin1String("Colors:Window/ForegroundNormal"));
-            if (color.isValid())
-                wfg = color;
-
-            color = kdeColor(QLatin1String("windowBackground"));
-            if (!color.isValid())
-                color = kdeColor(QLatin1String("Colors:View/BackgroundNormal"));
-            if (color.isValid())
-                base = color;
-        }
-
         QPalette pal(fg, btn, btn.lighter(125), btn.darker(130), btn.darker(120), wfg.isValid() ? wfg : fg, Qt::white, base, bg);
         QColor disabled((fg.red()   + btn.red())  / 2,
@@ -1312 +1292 @@
             highlight = QColor(selectBackground);
             highlightText = QColor(selectForeground);
-        }
-        // Use KDE3 or KDE4 color settings if present
-        if (kdeColors) {
-            QColor color = kdeColor(QLatin1String("selectBackground"));
-            if (!color.isValid())
-                color = kdeColor(QLatin1String("Colors:Selection/BackgroundNormal"));
-            if (color.isValid())
-                highlight = color;
-
-            color = kdeColor(QLatin1String("selectForeground"));
-            if (!color.isValid())
-                color = kdeColor(QLatin1String("Colors:Selection/ForegroundNormal"));
-            if (color.isValid())
-                highlightText = color;
-
-            color = kdeColor(QLatin1String("alternateBackground"));
-            if (!color.isValid())
-                color = kdeColor(QLatin1String("Colors:View/BackgroundAlternate"));
-            if (color.isValid())
-                pal.setColor(QPalette::AlternateBase, color);
-            else
-                pal.setBrush(QPalette::AlternateBase, pal.base().color().darker(110));
-
-            color = kdeColor(QLatin1String("buttonForeground"));
-            if (!color.isValid())
-                color = kdeColor(QLatin1String("Colors:Button/ForegroundNormal"));
-            if (color.isValid())
-                pal.setColor(QPalette::ButtonText, color);
         }
 
@@ -1363 +1315 @@
         }
 
-        // QGtkStyle sets it's own system palette
-        if (!(QApplicationPrivate::app_style && QApplicationPrivate::app_style->inherits("QGtkStyle"))) {
-            QApplicationPrivate::setSystemPalette(pal);
-        }
+        pal = qt_guiPlatformPlugin()->palette().resolve(pal);
+        QApplicationPrivate::setSystemPalette(pal);
         QColor::setAllowX11ColorNames(allowX11ColorNames);
     }
@@ -1386 +1336 @@
                                        effects.contains(QLatin1String("animatetoolbox")));
     }
+
+    QIconLoader::instance()->updateSystemTheme();
 }
 
@@ -1580 +1532 @@
 static PtrWacomConfigCloseDevice ptrWacomConfigCloseDevice = 0;
 static PtrWacomConfigTerm ptrWacomConfigTerm = 0;
+Q_GLOBAL_STATIC(QByteArray, wacomDeviceName)
 #endif
 
@@ -1673 +1626 @@
     // MIT-SHM
     X11->use_mitshm = false;
+    X11->use_mitshm_pixmaps = false;
     X11->mitshm_major = 0;
 
@@ -1720 +1674 @@
 #endif
 
-    X11->startupId = X11->originalStartupId = 0;
+    X11->startupId = 0;
 
     int argc = priv->argc;
@@ -1902 +1856 @@
             screen->ref = 1; // ensures it doesn't get deleted
             screen->screen = s;
-            screen->dpiX = (DisplayWidth(X11->display, s) * 254 + DisplayWidthMM(X11->display, s)*5)
-                           / (DisplayWidthMM(X11->display, s)*10);
-            screen->dpiY = (DisplayHeight(X11->display, s) * 254 + DisplayHeightMM(X11->display, s)*5)
-                           / (DisplayHeightMM(X11->display, s)*10);
+
+            int widthMM = DisplayWidthMM(X11->display, s);
+            if (widthMM != 0) {
+                screen->dpiX = (DisplayWidth(X11->display, s) * 254 + widthMM * 5) / (widthMM * 10);
+            } else {
+                screen->dpiX = 72;
+            }
+
+            int heightMM = DisplayHeightMM(X11->display, s);
+            if (heightMM != 0) {
+                screen->dpiY = (DisplayHeight(X11->display, s) * 254 + heightMM * 5) / (heightMM * 10);
+            } else {
+                screen->dpiY = 72;
+            }
 
             X11->argbVisuals[s] = 0;
@@ -1949 +1913 @@
             QString displayName = QLatin1String(XDisplayName(NULL));
 
-            // apparently MITSHM only works for local displays, so do a quick check here
-            // to determine whether the display is local or not (not 100 % accurate)
+            // MITSHM only works for local displays, so do a quick check here
+            // to determine whether the display is local or not (not 100 % accurate).
+            // BGR server layouts are not supported either, since it requires the raster
+            // engine to work on a QImage with BGR layout.
             bool local = displayName.isEmpty() || displayName.lastIndexOf(QLatin1Char(':')) == 0;
-            if (local && (qgetenv("QT_X11_NO_MITSHM").toInt() == 0))
-                X11->use_mitshm = mitshm_pixmaps;
+            if (local && (qgetenv("QT_X11_NO_MITSHM").toInt() == 0)) {
+                Visual *defaultVisual = DefaultVisual(X11->display, DefaultScreen(X11->display));
+                X11->use_mitshm = ((defaultVisual->red_mask == 0xff0000
+                                    || defaultVisual->red_mask == 0xf800)
+                                   && (defaultVisual->green_mask == 0xff00
+                                       || defaultVisual->green_mask == 0x7e0)
+                                   && (defaultVisual->blue_mask == 0xff
+                                       || defaultVisual->blue_mask == 0x1f));
+                X11->use_mitshm_pixmaps = X11->use_mitshm && mitshm_pixmaps;
+            }
         }
 #endif // QT_NO_MITSHM
@@ -2052 +2026 @@
             }
         }
-        if (X11->use_xfixes && X11->ptrXFixesSelectSelectionInput) {
-            const unsigned long eventMask =
-                XFixesSetSelectionOwnerNotifyMask | XFixesSelectionWindowDestroyNotifyMask | XFixesSelectionClientCloseNotifyMask;
-            X11->ptrXFixesSelectSelectionInput(X11->display, QX11Info::appRootWindow(0),
-                                               XA_PRIMARY, eventMask);
-            X11->ptrXFixesSelectSelectionInput(X11->display, QX11Info::appRootWindow(0),
-                                               ATOM(CLIPBOARD), eventMask);
-        }
 #endif // QT_NO_XFIXES
 
@@ -2079 +2045 @@
 #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
@@ -2241 +2214 @@
                                                             ATOM(_NET_WM_CM_S0));
         X11->desktopEnvironment = DE_UNKNOWN;
+        X11->desktopVersion = 0;
 
         // See if the current window manager is using the freedesktop.org spec to give its name
@@ -2285 +2259 @@
             uchar *data = 0;
 
-            if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(DTWM_IS_RUNNING),
-                                   0, 1, False, AnyPropertyType, &type, &format, &length,
+            QString session = QString::fromLocal8Bit(qgetenv("DESKTOP_SESSION"));
+            if (session == QLatin1String("kde")) {
+                X11->desktopEnvironment = DE_KDE;
+            } else if (session == QLatin1String("gnome") || session == QLatin1String("xfce")) {
+                X11->desktopEnvironment = DE_GNOME;
+            } else if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(), ATOM(DTWM_IS_RUNNING),
+                                          0, 1, False, AnyPropertyType, &type, &format, &length,
                                    &after, &data) == Success && length) {
                 // DTWM is running, meaning most likely CDE is running...
@@ -2316 +2295 @@
         }
 
+        if (X11->desktopEnvironment == DE_KDE)
+            X11->desktopVersion = QString::fromLocal8Bit(qgetenv("KDE_SESSION_VERSION")).toInt();
+
+#if !defined(QT_NO_STYLE_GTK)
+        if (X11->desktopEnvironment == DE_GNOME) {
+            static bool menusHaveIcons = QGtkStyle::getGConfBool(QLatin1String("/desktop/gnome/interface/menus_have_icons"), true);
+            QApplication::setAttribute(Qt::AA_DontShowIconsInMenus, !menusHaveIcons);
+        }
+#endif
         qt_set_input_encoding();
 
@@ -2351 +2339 @@
             XDevice *dev = 0;
 
-#if !defined(Q_OS_IRIX)
-            // XFree86 divides a stylus and eraser into 2 devices, so we must do for both...
-            const QString XFREENAMESTYLUS = QLatin1String("stylus");
-            const QString XFREENAMEPEN = QLatin1String("pen");
-            const QString XFREENAMEERASER = QLatin1String("eraser");
-#endif
-
             if (X11->ptrXListInputDevices) {
                 devices = X11->ptrXListInputDevices(X11->display, &ndev);
@@ -2372 +2353 @@
                 gotEraser = false;
 
+#if defined(Q_OS_IRIX)
                 QString devName = QString::fromLocal8Bit(devs->name).toLower();
-#if defined(Q_OS_IRIX)
                 if (devName == QLatin1String(WACOM_NAME)) {
                     deviceType = QTabletEvent::Stylus;
@@ -2379 +2360 @@
                 }
 #else
-                if (devName.startsWith(XFREENAMEPEN)
-                    || devName.startsWith(XFREENAMESTYLUS)) {
+                if (devs->type == ATOM(XWacomStylus)) {
                     deviceType = QTabletEvent::Stylus;
+                    if (wacomDeviceName()->isEmpty())
+                        wacomDeviceName()->append(devs->name);
                     gotStylus = true;
-                } else if (devName.startsWith(XFREENAMEERASER)) {
+                } else if (devs->type == ATOM(XWacomEraser)) {
                     deviceType = QTabletEvent::XFreeEraser;
                     gotEraser = true;
@@ -2519 +2501 @@
 
         X11->startupId = getenv("DESKTOP_STARTUP_ID");
-        X11->originalStartupId = X11->startupId;
-        static char desktop_startup_id[] = "DESKTOP_STARTUP_ID=";
-        putenv(desktop_startup_id);
-
+        if (X11->startupId) {
+#ifndef QT_NO_UNSETENV
+            unsetenv("DESKTOP_STARTUP_ID");
+#else
+            // it's a small memory leak, however we won't crash if Qt is
+            // unloaded and someones tries to use the envoriment.
+            putenv(strdup("DESKTOP_STARTUP_ID="));
+#endif
+        }
    } else {
         // read some non-GUI settings when not using the X server...
@@ -2576 +2563 @@
 }
 
-
-    // run-time search for default style
-/*!
-    \internal
-*/
-void QApplicationPrivate::x11_initialize_style()
-{
-    if (QApplicationPrivate::app_style)
-        return;
-
-    switch(X11->desktopEnvironment) {
-        case DE_KDE:
-            if (X11->use_xrender)
-                QApplicationPrivate::app_style = QStyleFactory::create(QLatin1String("plastique"));
-            else
-                QApplicationPrivate::app_style = QStyleFactory::create(QLatin1String("windows"));
-            break;
-        case DE_GNOME:
-            if (X11->use_xrender)
-                QApplicationPrivate::app_style = QStyleFactory::create(QLatin1String("cleanlooks"));
-            else
-                QApplicationPrivate::app_style = QStyleFactory::create(QLatin1String("windows"));
-            break;
-        case DE_CDE:
-            QApplicationPrivate::app_style = QStyleFactory::create(QLatin1String("cde"));
-            break;
-        default:
-            // Don't do anything
-            break;
-    }
-}
-
 void QApplicationPrivate::initializeWidgetPaletteHash()
 {
@@ -2635 +2590 @@
 #endif
     }
-
-    // restore original value back. This is also done in QWidgetPrivate::show_sys.
-    if (X11->originalStartupId)
-        putenv(X11->originalStartupId);
 
 #ifndef QT_NO_XRENDER
@@ -2843 +2794 @@
  *****************************************************************************/
 
-extern void qt_x11_enforce_cursor(QWidget * w);
-
 void QApplication::setOverrideCursor(const QCursor &cursor)
 {
@@ -2950 +2899 @@
                     while (ctarget && !w) {
                         X11->ignoreBadwindow();
-                        XTranslateCoordinates(X11->display,
-                                              QX11Info::appRootWindow(screen),
-                                              ctarget, x, y, &unused, &unused, &ctarget);
-                        if (X11->badwindow())
+                        if (!XTranslateCoordinates(X11->display,
+                                                   QX11Info::appRootWindow(screen),
+                                                   ctarget, x, y, &unused, &unused, &ctarget)
+                                || X11->badwindow())
                             break;
                         if (ctarget == wid) {
@@ -2971 +2920 @@
 }
 
-/*!
-    Synchronizes with the X server in the X11 implementation. This
-    normally takes some time. Does nothing on other platforms.
-*/
-
 void QApplication::syncX()
 {
     if (X11->display)
-        XSync(X11->display, False);                        // don't discard events
+        XSync(X11->display, False);  // don't discard events
 }
 
@@ -3081 +3025 @@
 }
 
-/*!
-    \internal
-*/
 int QApplication::x11ClientMessage(QWidget* w, XEvent* event, bool passive_only)
 {
@@ -3120 +3061 @@
                                 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)) {
@@ -3146 +3100 @@
 }
 
-/*!
-    This function does the core processing of individual X
-    \a{event}s, normally by dispatching Qt events to the right
-    destination.
-
-    It returns 1 if the event was consumed by special handling, 0 if
-    the \a event was consumed by normal handling, and -1 if the \a
-    event was for an unrecognized widget.
-
-    \sa x11EventFilter()
-*/
 int QApplication::x11ProcessEvent(XEvent* event)
 {
     Q_D(QApplication);
     QScopedLoopLevelCounter loopLevelCounter(d->threadData);
+
 #ifdef ALIEN_DEBUG
     //qDebug() << "QApplication::x11ProcessEvent:" << event->type;
@@ -3366 +3310 @@
         w->data->crect.setWidth(DisplayWidth(X11->display, scr));
         w->data->crect.setHeight(DisplayHeight(X11->display, scr));
-        QVarLengthArray<QRect> oldSizes(desktop->numScreens());
-        for (int i = 0; i < desktop->numScreens(); ++i)
-            oldSizes[i] = desktop->screenGeometry(i);
         QResizeEvent e(w->size(), oldSize);
         QApplication::sendEvent(w, &e);
-        for (int i = 0; i < qMin(oldSizes.count(), desktop->numScreens()); ++i) {
-            if (oldSizes[i] != desktop->screenGeometry(i))
-                emit desktop->resized(i);
-        }
-        for (int i = oldSizes.count(); i < desktop->numScreens(); ++i)
-            emit desktop->resized(i); // added
-        for (int i = desktop->numScreens(); i < oldSizes.count(); ++i)
-            emit desktop->resized(i); // removed
+        if (w != desktop)
+            QApplication::sendEvent(desktop, &e);
     }
 #endif // QT_NO_XRANDR
@@ -3818 +3753 @@
             } else if (event->xproperty.atom == ATOM(_NET_WORKAREA)) {
                 qt_desktopwidget_update_workarea();
+
+                // emit the workAreaResized() signal
+                QDesktopWidget *desktop = QApplication::desktop();
+                int numScreens = desktop->numScreens();
+                for (int i = 0; i < numScreens; ++i)
+                    emit desktop->workAreaResized(i);
             }
         } else if (widget) {
@@ -3832 +3773 @@
     return 0;
 }
-
-/*!
-    \fn bool QApplication::x11EventFilter(XEvent *event)
-
-    \warning This virtual function is only implemented under X11.
-
-    If you create an application that inherits QApplication and
-    reimplement this function, you get direct access to all X events
-    that the are received from the X server. The events are passed in
-    the \a event parameter.
-
-    Return true if you want to stop the event from being processed.
-    Return false for normal event dispatching. The default
-    implementation returns false.
-
-    It is only the directly addressed messages that are filtered.
-    You must install an event filter directly on the event
-    dispatcher, which is returned by
-    QAbstractEventDispatcher::instance(), to handle system wide
-    messages.
-
-    \sa x11ProcessEvent()
-*/
 
 bool QApplication::x11EventFilter(XEvent *)
@@ -4177 +4095 @@
                     && 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;
@@ -4447 +4367 @@
         QApplicationPrivate::sendMouseEvent(widget, &e, alienWidget, this, &qt_button_down,
                                             qt_last_mouse_receiver);
-
         if (type == QEvent::MouseButtonPress
             && button == Qt::RightButton
@@ -4516 +4435 @@
     if (config == 0)
         return;
-    const char *name = "stylus"; // TODO get this from the X config instead (users may have called it differently)
-    WACOMDEVICE *device = ptrWacomConfigOpenDevice (config, name);
+    WACOMDEVICE *device = ptrWacomConfigOpenDevice (config, wacomDeviceName()->constData());
     if (device == 0)
         return;
@@ -4575 +4493 @@
 #endif
 
+struct qt_tablet_motion_data
+{
+    bool filterByWidget;
+    const QWidget *widget;
+    const QWidget *etWidget;
+    int tabletMotionType;
+    bool error; // found a reason to stop searching
+};
+
+static Bool qt_mouseMotion_scanner(Display *, XEvent *event, XPointer arg)
+{
+    qt_tablet_motion_data *data = (qt_tablet_motion_data *) arg;
+    if (data->error)
+        return false;
+
+    if (event->type == MotionNotify)
+        return true;
+
+    data->error = event->type != data->tabletMotionType; // we stop compression when another event gets in between.
+    return false;
+}
+
+static Bool qt_tabletMotion_scanner(Display *, XEvent *event, XPointer arg)
+{
+    qt_tablet_motion_data *data = (qt_tablet_motion_data *) arg;
+    if (data->error)
+        return false;
+    if (event->type == data->tabletMotionType) {
+        const XDeviceMotionEvent *const motion = reinterpret_cast<const XDeviceMotionEvent*>(event);
+        if (data->filterByWidget) {
+            const QPoint curr(motion->x, motion->y);
+            const QWidget *w = data->etWidget;
+            const QWidget *const child = w->childAt(curr);
+            if (child) {
+                w = child;
+            }
+            if (w == data->widget)
+                return true;
+        } else {
+            return true;
+        }
+    }
+
+    data->error = event->type != MotionNotify; // we stop compression when another event gets in between.
+    return false;
+}
+
 bool QETWidget::translateXinputEvent(const XEvent *ev, QTabletDeviceData *tablet)
 {
@@ -4601 +4566 @@
     int deviceType = QTabletEvent::NoDevice;
     int pointerType = QTabletEvent::UnknownPointer;
-    XEvent xinputMotionEvent;
-    XEvent mouseMotionEvent;
     const XDeviceMotionEvent *motion = 0;
     XDeviceButtonEvent *button = 0;
@@ -4608 +4571 @@
     QEvent::Type t;
     Qt::KeyboardModifiers modifiers = 0;
-    bool reinsertMouseEvent = false;
-    bool neverFoundMouseEvent = true;
-    XEvent xinputMotionEventNext;
-    XEvent mouseMotionEventSave;
 #if !defined (Q_OS_IRIX)
     XID device_id;
@@ -4618 +4577 @@
     if (ev->type == tablet->xinput_motion) {
         motion = reinterpret_cast<const XDeviceMotionEvent*>(ev);
-        for (;;) {
-            // get the corresponding mouseMotionEvent for motion
-            if (XCheckTypedWindowEvent(X11->display, internalWinId(), MotionNotify, &mouseMotionEvent)) {
-                mouseMotionEventSave = mouseMotionEvent;
-                reinsertMouseEvent = true;
-                neverFoundMouseEvent = false;
-
-                if (mouseMotionEvent.xmotion.time > motion->time) {
-                    XEvent xinputMotionEventLoop = *ev;
-
-                    // xinput event is older than the mouse event --> search for the corresponding xinput event for the given mouse event
-                    while (mouseMotionEvent.xmotion.time > (reinterpret_cast<const XDeviceMotionEvent*>(&xinputMotionEventLoop))->time) {
-                        if (XCheckTypedWindowEvent(X11->display, internalWinId(), tablet->xinput_motion, &xinputMotionEventLoop)) {
-                            xinputMotionEvent = xinputMotionEventLoop;
-                        }
-                        else {
-                            break;
-                        }
-                    }
-                    motion = reinterpret_cast<const XDeviceMotionEvent*>(&xinputMotionEvent);
-                }
-
-                // get the next xinputMotionEvent, for the next loop run
-                if (!XCheckTypedWindowEvent(X11->display, internalWinId(), tablet->xinput_motion, &xinputMotionEventNext)) {
-                    XPutBackEvent(X11->display, &mouseMotionEvent);
-                    reinsertMouseEvent = false;
-                    break;
-                }
-
-                if (mouseMotionEvent.xmotion.time != motion->time) {
-                    // reinsert in order
-                    if (mouseMotionEvent.xmotion.time >= motion->time) {
-                        XPutBackEvent(X11->display, &mouseMotionEvent);
-                        XPutBackEvent(X11->display, &xinputMotionEventNext);
-                        // next entry in queue is xinputMotionEventNext
-                    }
-                    else {
-                        XPutBackEvent(X11->display, &xinputMotionEventNext);
-                        XPutBackEvent(X11->display, &mouseMotionEvent);
-                        // next entry in queue is mouseMotionEvent
-                    }
-                    reinsertMouseEvent = false;
-                    break;
-                }
-            }
-            else {
-                break;
-            }
-
-            xinputMotionEvent = xinputMotionEventNext;
-            motion = (reinterpret_cast<const XDeviceMotionEvent*>(&xinputMotionEvent));
-        }
-
-        if (reinsertMouseEvent) {
-          XPutBackEvent(X11->display, &mouseMotionEventSave);
-        }
-
-        if (neverFoundMouseEvent) {
-            XEvent xinputMotionEventLoop;
-            bool eventFound = false;
-            // xinput event without mouseMotionEvent --> search the newest xinputMotionEvent
-            while (XCheckTypedWindowEvent(X11->display, internalWinId(), tablet->xinput_motion, &xinputMotionEventLoop)) {
-                xinputMotionEvent = xinputMotionEventLoop;
-                eventFound = true;
-            }
-            if (eventFound) motion = reinterpret_cast<const XDeviceMotionEvent*>(&xinputMotionEvent);
-        }
-
         t = QEvent::TabletMove;
         global = QPoint(motion->x_root, motion->y_root);
@@ -4838 +4729 @@
 #endif
 
-    QWidget *child = w->childAt(curr);
-    if (child) {
-        w = child;
-        curr = w->mapFromGlobal(global);
-    }
+    if (tablet->widgetToGetPress) {
+        w = tablet->widgetToGetPress;
+    } else {
+        QWidget *child = w->childAt(curr);
+        if (child)
+            w = child;
+    }
+    curr = w->mapFromGlobal(global);
 
     if (t == QEvent::TabletPress) {
@@ -4856 +4750 @@
                    qreal(pressure / qreal(tablet->maxPressure - tablet->minPressure)),
                    xTilt, yTilt, tangentialPressure, rotation, z, modifiers, uid);
-    if (proximity)
+    if (proximity) {
         QApplication::sendSpontaneousEvent(qApp, &e);
-    else
+    } else {
         QApplication::sendSpontaneousEvent(w, &e);
+        const bool accepted = e.isAccepted();
+        if (!accepted && ev->type == tablet->xinput_motion) {
+            // If the widget does not accept tablet events, we drop the next ones from the event queue
+            // for this widget so it is not overloaded with the numerous tablet events.
+            qt_tablet_motion_data tabletMotionData;
+            tabletMotionData.tabletMotionType = tablet->xinput_motion;
+            tabletMotionData.widget = w;
+            tabletMotionData.etWidget = this;
+            // if nothing is pressed, the events are filtered by position
+            tabletMotionData.filterByWidget = (tablet->widgetToGetPress == 0);
+
+            bool reinsertMouseEvent = false;
+            XEvent mouseMotionEvent;
+            while (true) {
+                // Find first mouse event since we expect them in pairs inside Qt
+                tabletMotionData.error =false;
+                if (XCheckIfEvent(X11->display, &mouseMotionEvent, &qt_mouseMotion_scanner, (XPointer) &tabletMotionData)) {
+                    reinsertMouseEvent = true;
+                } else {
+                    break;
+                }
+
+                // Now discard any duplicate tablet events.
+                tabletMotionData.error = false;
+                XEvent dummy;
+                while (XCheckIfEvent(X11->display, &dummy, &qt_tabletMotion_scanner, (XPointer) &tabletMotionData)) {
+                    // just discard the event
+                }
+            }
+
+            if (reinsertMouseEvent) {
+                XPutBackEvent(X11->display, &mouseMotionEvent);
+            }
+        }
+    }
     return true;
 }
@@ -5056 +4985 @@
 }
 
+
 //
 // Paint event translation
@@ -5234 +5164 @@
                 }
             }
+#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
         }
 
@@ -5319 +5257 @@
             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;
 }
@@ -5442 +5394 @@
 public:
     QSessionManagerPrivate(QSessionManager* mgr, QString& id, QString& key)
-        : QObjectPrivate(), sm(mgr), sessionId(id), sessionKey(key), eventLoop(0) {}
+        : QObjectPrivate(), sm(mgr), sessionId(id), sessionKey(key),
+            restartHint(QSessionManager::RestartIfRunning), eventLoop(0) {}
     QSessionManager* sm;
     QStringList restartCommand;
@@ -5935 +5888 @@
 #endif // QT_NO_SESSIONMANAGER
 
+#if defined(QT_RX71_MULTITOUCH)
+
+static inline int testBit(const char *array, int bit)
+{
+    return (array[bit/8] & (1<<(bit%8)));
+}
+
+static int openRX71Device(const QByteArray &deviceName)
+{
+    int fd = open(deviceName, O_RDONLY | O_NONBLOCK);
+    if (fd == -1) {
+        fd = -errno;
+        return fd;
+    }
+
+    // fetch the event type mask and check that the device reports absolute coordinates
+    char eventTypeMask[(EV_MAX + sizeof(char) - 1) * sizeof(char) + 1];
+    memset(eventTypeMask, 0, sizeof(eventTypeMask));
+    if (ioctl(fd, EVIOCGBIT(0, sizeof(eventTypeMask)), eventTypeMask) < 0) {
+        close(fd);
+        return -1;
+    }
+    if (!testBit(eventTypeMask, EV_ABS)) {
+        close(fd);
+        return -1;
+    }
+
+    // make sure that we can get the absolute X and Y positions from the device
+    char absMask[(ABS_MAX + sizeof(char) - 1) * sizeof(char) + 1];
+    memset(absMask, 0, sizeof(absMask));
+    if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absMask)), absMask) < 0) {
+        close(fd);
+        return -1;
+    }
+    if (!testBit(absMask, ABS_X) || !testBit(absMask, ABS_Y)) {
+        close(fd);
+        return -1;
+    }
+
+    return fd;
+}
+
+void QApplicationPrivate::initializeMultitouch_sys()
+{
+    Q_Q(QApplication);
+
+    QByteArray deviceName = QByteArray("/dev/input/event");
+    int currentDeviceNumber = 0;
+    for (;;) {
+        int fd = openRX71Device(QByteArray(deviceName + QByteArray::number(currentDeviceNumber++)));
+        if (fd == -ENOENT) {
+            // no more devices
+            break;
+        }
+        if (fd < 0) {
+            // not a touch device
+            continue;
+        }
+
+        struct input_absinfo abs_x, abs_y, abs_z;
+        ioctl(fd, EVIOCGABS(ABS_X), &abs_x);
+        ioctl(fd, EVIOCGABS(ABS_Y), &abs_y);
+        ioctl(fd, EVIOCGABS(ABS_Z), &abs_z);
+
+        int deviceNumber = allRX71TouchPoints.count();
+
+        QSocketNotifier *socketNotifier = new QSocketNotifier(fd, QSocketNotifier::Read, q);
+        QObject::connect(socketNotifier, SIGNAL(activated(int)), q, SLOT(_q_readRX71MultiTouchEvents()));
+
+        RX71TouchPointState touchPointState = {
+            socketNotifier,
+            QTouchEvent::TouchPoint(deviceNumber),
+
+            abs_x.minimum, abs_x.maximum, q->desktop()->screenGeometry().width(),
+            abs_y.minimum, abs_y.maximum, q->desktop()->screenGeometry().height(),
+            abs_z.minimum, abs_z.maximum
+        };
+        allRX71TouchPoints.append(touchPointState);
+    }
+
+    hasRX71MultiTouch = allRX71TouchPoints.count() > 1;
+    if (!hasRX71MultiTouch) {
+        for (int i = 0; i < allRX71TouchPoints.count(); ++i) {
+            QSocketNotifier *socketNotifier = allRX71TouchPoints.at(i).socketNotifier;
+            close(socketNotifier->socket());
+            delete socketNotifier;
+        }
+        allRX71TouchPoints.clear();
+    }
+}
+
+void QApplicationPrivate::cleanupMultitouch_sys()
+{
+    hasRX71MultiTouch = false;
+    for (int i = 0; i < allRX71TouchPoints.count(); ++i) {
+        QSocketNotifier *socketNotifier = allRX71TouchPoints.at(i).socketNotifier;
+        close(socketNotifier->socket());
+        delete socketNotifier;
+    }
+    allRX71TouchPoints.clear();
+}
+
+bool QApplicationPrivate::readRX71MultiTouchEvents(int deviceNumber)
+{
+    RX71TouchPointState &touchPointState = allRX71TouchPoints[deviceNumber];
+    QSocketNotifier *socketNotifier = touchPointState.socketNotifier;
+    int fd = socketNotifier->socket();
+
+    QTouchEvent::TouchPoint &touchPoint = touchPointState.touchPoint;
+
+    bool down = touchPoint.state() != Qt::TouchPointReleased;
+    if (down)
+        touchPoint.setState(Qt::TouchPointStationary);
+
+    bool changed = false;
+    for (;;) {
+        struct input_event inputEvent;
+        int bytesRead = read(fd, &inputEvent, sizeof(inputEvent));
+        if (bytesRead <= 0)
+            break;
+        if (bytesRead != sizeof(inputEvent)) {
+            qWarning("Qt: INTERNAL ERROR: short read in readRX71MultiTouchEvents()");
+            return false;
+        }
+
+        switch (inputEvent.type) {
+        case EV_SYN:
+            changed = true;
+            switch (touchPoint.state()) {
+            case Qt::TouchPointPressed:
+            case Qt::TouchPointReleased:
+                // make sure we don't compress pressed and releases with any other events
+                return changed;
+            default:
+                break;
+            }
+            continue;
+        case EV_KEY:
+        case EV_ABS:
+            break;
+        default:
+            qWarning("Qt: WARNING: unknown event type %d on multitouch device", inputEvent.type);
+            continue;
+        }
+
+        QPointF screenPos = touchPoint.screenPos();
+        switch (inputEvent.code) {
+        case BTN_TOUCH:
+            if (!down && inputEvent.value != 0)
+                touchPoint.setState(Qt::TouchPointPressed);
+            else if (down && inputEvent.value == 0)
+                touchPoint.setState(Qt::TouchPointReleased);
+            break;
+        case ABS_TOOL_WIDTH:
+        case ABS_VOLUME:
+        case ABS_PRESSURE:
+            // ignore for now
+            break;
+        case ABS_X:
+        {
+            qreal newValue = ((qreal(inputEvent.value - touchPointState.minX)
+                              / qreal(touchPointState.maxX - touchPointState.minX))
+                              * touchPointState.scaleX);
+            screenPos.rx() = newValue;
+            touchPoint.setScreenPos(screenPos);
+            break;
+        }
+        case ABS_Y:
+        {
+            qreal newValue = ((qreal(inputEvent.value - touchPointState.minY)
+                              / qreal(touchPointState.maxY - touchPointState.minY))
+                              * touchPointState.scaleY);
+            screenPos.ry() = newValue;
+            touchPoint.setScreenPos(screenPos);
+            break;
+        }
+        case ABS_Z:
+        {
+            // map Z (signal strength) to pressure for now
+            qreal newValue = (qreal(inputEvent.value - touchPointState.minZ)
+                              / qreal(touchPointState.maxZ - touchPointState.minZ));
+            touchPoint.setPressure(newValue);
+            break;
+        }
+        default:
+            qWarning("Qt: WARNING: unknown event code %d on multitouch device", inputEvent.code);
+            continue;
+        }
+    }
+
+    if (down && touchPoint.state() != Qt::TouchPointReleased)
+        touchPoint.setState(changed ? Qt::TouchPointMoved : Qt::TouchPointStationary);
+
+    return changed;
+}
+
+void QApplicationPrivate::_q_readRX71MultiTouchEvents()
+{
+    // read touch events from all devices
+    bool changed = false;
+    for (int i = 0; i < allRX71TouchPoints.count(); ++i)
+        changed = readRX71MultiTouchEvents(i) || changed;
+    if (!changed)
+        return;
+
+    QList<QTouchEvent::TouchPoint> touchPoints;
+    for (int i = 0; i < allRX71TouchPoints.count(); ++i)
+        touchPoints.append(allRX71TouchPoints.at(i).touchPoint);
+
+    translateRawTouchEvent(0, QTouchEvent::TouchScreen, touchPoints);
+}
+
+#else // !QT_RX71_MULTITOUCH
+
+void QApplicationPrivate::initializeMultitouch_sys()
+{ }
+void QApplicationPrivate::cleanupMultitouch_sys()
+{ }
+
+#endif // QT_RX71_MULTITOUCH
+
 QT_END_NAMESPACE