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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qxlibstatic.h"
+#include "qxlibscreen.h"
+#include "qxlibdisplay.h"
+
+#include <qplatformdefs.h>
+
+#include <QtGui/private/qapplication_p.h>
+#include <QtCore/QBuffer>
+#include <QtCore/QLibrary>
+
+#include <QDebug>
+
+#ifndef QT_NO_XFIXES
+#include <X11/extensions/Xfixes.h>
+#endif // QT_NO_XFIXES
+
+static const char * x11_atomnames = {
+ // window-manager <-> client protocols
+ "WM_PROTOCOLS\0"
+ "WM_DELETE_WINDOW\0"
+ "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"
+ "WM_CHANGE_STATE\0"
+
+ // Session management
+ "WM_CLIENT_LEADER\0"
+ "WM_WINDOW_ROLE\0"
+ "SM_CLIENT_ID\0"
+
+ // Clipboard
+ "CLIPBOARD\0"
+ "INCR\0"
+ "TARGETS\0"
+ "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"
+
+ "_XSETROOT_ID\0"
+
+ "_QT_SCROLL_DONE\0"
+ "_QT_INPUT_ENCODING\0"
+
+ "_MOTIF_WM_HINTS\0"
+
+ "DTWM_IS_RUNNING\0"
+ "ENLIGHTENMENT_DESKTOP\0"
+ "_DT_SAVE_MODE\0"
+ "_SGI_DESKS_MANAGER\0"
+
+ // EWMH (aka NETWM)
+ "_NET_SUPPORTED\0"
+ "_NET_VIRTUAL_ROOTS\0"
+ "_NET_WORKAREA\0"
+
+ "_NET_MOVERESIZE_WINDOW\0"
+ "_NET_WM_MOVERESIZE\0"
+
+ "_NET_WM_NAME\0"
+ "_NET_WM_ICON_NAME\0"
+ "_NET_WM_ICON\0"
+
+ "_NET_WM_PID\0"
+
+ "_NET_WM_WINDOW_OPACITY\0"
+
+ "_NET_WM_STATE\0"
+ "_NET_WM_STATE_ABOVE\0"
+ "_NET_WM_STATE_BELOW\0"
+ "_NET_WM_STATE_FULLSCREEN\0"
+ "_NET_WM_STATE_MAXIMIZED_HORZ\0"
+ "_NET_WM_STATE_MAXIMIZED_VERT\0"
+ "_NET_WM_STATE_MODAL\0"
+ "_NET_WM_STATE_STAYS_ON_TOP\0"
+ "_NET_WM_STATE_DEMANDS_ATTENTION\0"
+
+ "_NET_WM_USER_TIME\0"
+ "_NET_WM_USER_TIME_WINDOW\0"
+ "_NET_WM_FULL_PLACEMENT\0"
+
+ "_NET_WM_WINDOW_TYPE\0"
+ "_NET_WM_WINDOW_TYPE_DESKTOP\0"
+ "_NET_WM_WINDOW_TYPE_DOCK\0"
+ "_NET_WM_WINDOW_TYPE_TOOLBAR\0"
+ "_NET_WM_WINDOW_TYPE_MENU\0"
+ "_NET_WM_WINDOW_TYPE_UTILITY\0"
+ "_NET_WM_WINDOW_TYPE_SPLASH\0"
+ "_NET_WM_WINDOW_TYPE_DIALOG\0"
+ "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU\0"
+ "_NET_WM_WINDOW_TYPE_POPUP_MENU\0"
+ "_NET_WM_WINDOW_TYPE_TOOLTIP\0"
+ "_NET_WM_WINDOW_TYPE_NOTIFICATION\0"
+ "_NET_WM_WINDOW_TYPE_COMBO\0"
+ "_NET_WM_WINDOW_TYPE_DND\0"
+ "_NET_WM_WINDOW_TYPE_NORMAL\0"
+ "_KDE_NET_WM_WINDOW_TYPE_OVERRIDE\0"
+
+ "_KDE_NET_WM_FRAME_STRUT\0"
+
+ "_NET_STARTUP_INFO\0"
+ "_NET_STARTUP_INFO_BEGIN\0"
+
+ "_NET_SUPPORTING_WM_CHECK\0"
+
+ "_NET_WM_CM_S0\0"
+
+ "_NET_SYSTEM_TRAY_VISUAL\0"
+
+ "_NET_ACTIVE_WINDOW\0"
+
+ // Property formats
+ "COMPOUND_TEXT\0"
+ "TEXT\0"
+ "UTF8_STRING\0"
+
+ // xdnd
+ "XdndEnter\0"
+ "XdndPosition\0"
+ "XdndStatus\0"
+ "XdndLeave\0"
+ "XdndDrop\0"
+ "XdndFinished\0"
+ "XdndTypeList\0"
+ "XdndActionList\0"
+
+ "XdndSelection\0"
+
+ "XdndAware\0"
+ "XdndProxy\0"
+
+ "XdndActionCopy\0"
+ "XdndActionLink\0"
+ "XdndActionMove\0"
+ "XdndActionPrivate\0"
+
+ // Motif DND
+ "_MOTIF_DRAG_AND_DROP_MESSAGE\0"
+ "_MOTIF_DRAG_INITIATOR_INFO\0"
+ "_MOTIF_DRAG_RECEIVER_INFO\0"
+ "_MOTIF_DRAG_WINDOW\0"
+ "_MOTIF_DRAG_TARGETS\0"
+
+ "XmTRANSFER_SUCCESS\0"
+ "XmTRANSFER_FAILURE\0"
+
+ // Xkb
+ "_XKB_RULES_NAMES\0"
+
+ // XEMBED
+ "_XEMBED\0"
+ "_XEMBED_INFO\0"
+
+ // Wacom old. (before version 0.10)
+ "Wacom Stylus\0"
+ "Wacom Cursor\0"
+ "Wacom Eraser\0"
+
+ // Tablet
+ "STYLUS\0"
+ "ERASER\0"
+};
+
+/*!
+ \internal
+ Try to resolve a \a symbol from \a library with the version specified
+ by \a vernum.
+
+ Note that, in the case of the Xfixes library, \a vernum is not the same as
+ \c XFIXES_MAJOR - it is a part of soname and may differ from the Xfixes
+ version.
+*/
+static void* qt_load_library_runtime(const char *library, int vernum,
+ int highestVernum, const char *symbol)
+{
+ QList<int> versions;
+ // we try to load in the following order:
+ // explicit version -> the default one -> (from the highest (highestVernum) to the lowest (vernum) )
+ if (vernum != -1)
+ versions << vernum;
+ versions << -1;
+ if (vernum != -1) {
+ for(int i = highestVernum; i > vernum; --i)
+ versions << i;
+ }
+ Q_FOREACH(int version, versions) {
+ QLatin1String libName(library);
+ QLibrary xfixesLib(libName, version);
+ void *ptr = xfixesLib.resolve(symbol);
+ if (ptr)
+ return ptr;
+ }
+ return 0;
+}
+
+# define XFIXES_LOAD_RUNTIME(vernum, symbol, symbol_type) \
+ (symbol_type)qt_load_library_runtime("libXfixes", vernum, 4, #symbol);
+# define XFIXES_LOAD_V1(symbol) \
+ XFIXES_LOAD_RUNTIME(1, symbol, Ptr##symbol)
+# define XFIXES_LOAD_V2(symbol) \
+ XFIXES_LOAD_RUNTIME(2, symbol, Ptr##symbol)
+
+
+class QTestLiteStaticInfoPrivate
+{
+public:
+ QTestLiteStaticInfoPrivate()
+ : use_xfixes(false)
+ , xfixes_major(0)
+ , xfixes_eventbase(0)
+ , xfixes_errorbase(0)
+ {
+ QXlibScreen *screen = qobject_cast<QXlibScreen *> (QApplicationPrivate::platformIntegration()->screens().at(0));
+ Q_ASSERT(screen);
+
+ initializeAllAtoms(screen);
+ initializeSupportedAtoms(screen);
+
+ resolveXFixes(screen);
+ }
+
+ bool isSupportedByWM(Atom atom)
+ {
+ if (!m_supportedAtoms)
+ return false;
+
+ bool supported = false;
+ int i = 0;
+ while (m_supportedAtoms[i] != 0) {
+ if (m_supportedAtoms[i++] == atom) {
+ supported = true;
+ break;
+ }
+ }
+
+ return supported;
+ }
+
+ Atom atom(QXlibStatic::X11Atom atom)
+ {
+ return m_allAtoms[atom];
+ }
+
+ bool useXFixes() const { return use_xfixes; }
+
+ int xFixesEventBase() const {return xfixes_eventbase; }
+
+ PtrXFixesSelectSelectionInput xFixesSelectSelectionInput() const
+ {
+ return ptrXFixesSelectSelectionInput;
+ }
+
+ QImage qimageFromXImage(XImage *xi)
+ {
+ QImage::Format format = QImage::Format_ARGB32_Premultiplied;
+ if (xi->depth == 24)
+ format = QImage::Format_RGB32;
+ else if (xi->depth == 16)
+ format = QImage::Format_RGB16;
+
+ QImage image = QImage((uchar *)xi->data, xi->width, xi->height, xi->bytes_per_line, format).copy();
+
+ // we may have to swap the byte order
+ if ((QSysInfo::ByteOrder == QSysInfo::LittleEndian && xi->byte_order == MSBFirst)
+ || (QSysInfo::ByteOrder == QSysInfo::BigEndian && xi->byte_order == LSBFirst))
+ {
+ for (int i=0; i < image.height(); i++) {
+ if (xi->depth == 16) {
+ ushort *p = (ushort*)image.scanLine(i);
+ ushort *end = p + image.width();
+ while (p < end) {
+ *p = ((*p << 8) & 0xff00) | ((*p >> 8) & 0x00ff);
+ p++;
+ }
+ } else {
+ uint *p = (uint*)image.scanLine(i);
+ uint *end = p + image.width();
+ while (p < end) {
+ *p = ((*p << 24) & 0xff000000) | ((*p << 8) & 0x00ff0000)
+ | ((*p >> 8) & 0x0000ff00) | ((*p >> 24) & 0x000000ff);
+ p++;
+ }
+ }
+ }
+ }
+
+ // fix-up alpha channel
+ if (format == QImage::Format_RGB32) {
+ QRgb *p = (QRgb *)image.bits();
+ for (int y = 0; y < xi->height; ++y) {
+ for (int x = 0; x < xi->width; ++x)
+ p[x] |= 0xff000000;
+ p += xi->bytes_per_line / 4;
+ }
+ }
+
+ return image;
+ }
+
+
+private:
+
+ void initializeAllAtoms(QXlibScreen *screen) {
+ const char *names[QXlibStatic::NAtoms];
+ const char *ptr = x11_atomnames;
+
+ int i = 0;
+ while (*ptr) {
+ names[i++] = ptr;
+ while (*ptr)
+ ++ptr;
+ ++ptr;
+ }
+
+ Q_ASSERT(i == QXlibStatic::NPredefinedAtoms);
+
+ QByteArray settings_atom_name("_QT_SETTINGS_TIMESTAMP_");
+ settings_atom_name += XDisplayName(qPrintable(screen->display()->displayName()));
+ names[i++] = settings_atom_name;
+
+ Q_ASSERT(i == QXlibStatic::NAtoms);
+ #if 0//defined(XlibSpecificationRelease) && (XlibSpecificationRelease >= 6)
+ XInternAtoms(screen->display(), (char **)names, i, False, m_allAtoms);
+ #else
+ for (i = 0; i < QXlibStatic::NAtoms; ++i)
+ m_allAtoms[i] = XInternAtom(screen->display()->nativeDisplay(), (char *)names[i], False);
+ #endif
+ }
+
+ void initializeSupportedAtoms(QXlibScreen *screen)
+ {
+ Atom type;
+ int format;
+ long offset = 0;
+ unsigned long nitems, after;
+ unsigned char *data = 0;
+
+ int e = XGetWindowProperty(screen->display()->nativeDisplay(), screen->rootWindow(),
+ this->atom(QXlibStatic::_NET_SUPPORTED), 0, 0,
+ False, XA_ATOM, &type, &format, &nitems, &after, &data);
+ if (data)
+ XFree(data);
+
+ if (e == Success && type == XA_ATOM && format == 32) {
+ QBuffer ts;
+ ts.open(QIODevice::WriteOnly);
+
+ while (after > 0) {
+ XGetWindowProperty(screen->display()->nativeDisplay(), screen->rootWindow(),
+ this->atom(QXlibStatic::_NET_SUPPORTED), offset, 1024,
+ False, XA_ATOM, &type, &format, &nitems, &after, &data);
+
+ if (type == XA_ATOM && format == 32) {
+ ts.write(reinterpret_cast<char *>(data), nitems * sizeof(long));
+ offset += nitems;
+ } else
+ after = 0;
+ if (data)
+ XFree(data);
+ }
+
+ // compute nitems
+ QByteArray buffer(ts.buffer());
+ nitems = buffer.size() / sizeof(Atom);
+ m_supportedAtoms = new Atom[nitems + 1];
+ Atom *a = (Atom *) buffer.data();
+ uint i;
+ for (i = 0; i < nitems; i++)
+ m_supportedAtoms[i] = a[i];
+ m_supportedAtoms[nitems] = 0;
+
+ }
+ }
+
+ void resolveXFixes(QXlibScreen *screen)
+ {
+#ifndef QT_NO_XFIXES
+ // See if Xfixes is supported on the connected display
+ if (XQueryExtension(screen->display()->nativeDisplay(), "XFIXES", &xfixes_major,
+ &xfixes_eventbase, &xfixes_errorbase)) {
+ ptrXFixesQueryExtension = XFIXES_LOAD_V1(XFixesQueryExtension);
+ ptrXFixesQueryVersion = XFIXES_LOAD_V1(XFixesQueryVersion);
+ ptrXFixesSetCursorName = XFIXES_LOAD_V2(XFixesSetCursorName);
+ ptrXFixesSelectSelectionInput = XFIXES_LOAD_V2(XFixesSelectSelectionInput);
+
+ if(ptrXFixesQueryExtension && ptrXFixesQueryVersion
+ && ptrXFixesQueryExtension(screen->display()->nativeDisplay(), &xfixes_eventbase,
+ &xfixes_errorbase)) {
+ // Xfixes is supported.
+ // Note: the XFixes protocol version is negotiated using QueryVersion.
+ // We supply the highest version we support, the X server replies with
+ // the highest version it supports, but no higher than the version we
+ // asked for. The version sent back is the protocol version the X server
+ // will use to talk us. If this call is removed, the behavior of the
+ // X server when it receives an XFixes request is undefined.
+ int major = 3;
+ int minor = 0;
+ ptrXFixesQueryVersion(screen->display()->nativeDisplay(), &major, &minor);
+ use_xfixes = (major >= 1);
+ xfixes_major = major;
+ }
+ }
+#endif // QT_NO_XFIXES
+
+ }
+
+ Atom *m_supportedAtoms;
+ Atom m_allAtoms[QXlibStatic::NAtoms];
+
+#ifndef QT_NO_XFIXES
+ PtrXFixesQueryExtension ptrXFixesQueryExtension;
+ PtrXFixesQueryVersion ptrXFixesQueryVersion;
+ PtrXFixesSetCursorName ptrXFixesSetCursorName;
+ PtrXFixesSelectSelectionInput ptrXFixesSelectSelectionInput;
+#endif
+
+ bool use_xfixes;
+ int xfixes_major;
+ int xfixes_eventbase;
+ int xfixes_errorbase;
+
+};
+Q_GLOBAL_STATIC(QTestLiteStaticInfoPrivate, qTestLiteStaticInfoPrivate);
+
+
+Atom QXlibStatic::atom(QXlibStatic::X11Atom atom)
+{
+ return qTestLiteStaticInfoPrivate()->atom(atom);
+}
+
+bool QXlibStatic::isSupportedByWM(Atom atom)
+{
+ return qTestLiteStaticInfoPrivate()->isSupportedByWM(atom);
+}
+
+bool QXlibStatic::useXFixes()
+{
+ return qTestLiteStaticInfoPrivate()->useXFixes();
+}
+
+int QXlibStatic::xFixesEventBase()
+{
+ return qTestLiteStaticInfoPrivate()->xFixesEventBase();
+}
+
+#ifndef QT_NO_XFIXES
+PtrXFixesSelectSelectionInput QXlibStatic::xFixesSelectSelectionInput()
+{
+ qDebug() << qTestLiteStaticInfoPrivate()->useXFixes();
+ if (!qTestLiteStaticInfoPrivate()->useXFixes())
+ return 0;
+
+ return qTestLiteStaticInfoPrivate()->xFixesSelectSelectionInput();
+}
+
+QImage QXlibStatic::qimageFromXImage(XImage *xi)
+{
+ return qTestLiteStaticInfoPrivate()->qimageFromXImage(xi);
+}
+#endif //QT_NO_XFIXES