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Diffstat (limited to 'src/plugins/platforms/xlib/qxlibstatic.cpp')
-rw-r--r-- | src/plugins/platforms/xlib/qxlibstatic.cpp | 512 |
1 files changed, 512 insertions, 0 deletions
diff --git a/src/plugins/platforms/xlib/qxlibstatic.cpp b/src/plugins/platforms/xlib/qxlibstatic.cpp new file mode 100644 index 0000000..6117781 --- /dev/null +++ b/src/plugins/platforms/xlib/qxlibstatic.cpp @@ -0,0 +1,512 @@ +/**************************************************************************** +** +** 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 |