/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the plugins of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** 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 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** As a special exception, The Qt Company gives you certain additional ** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qxcbwindow.h" #include #include #include #include #include "qxcbintegration.h" #include "qxcbconnection.h" #include "qxcbscreen.h" #include "qxcbdrag.h" #include "qxcbkeyboard.h" #include "qxcbwmsupport.h" #include "qxcbimage.h" #include "qxcbnativeinterface.h" #include #include // FIXME This workaround can be removed for xcb-icccm > 3.8 #define class class_name #include #undef class #include #include // xcb-icccm 3.8 support #ifdef XCB_ICCCM_NUM_WM_SIZE_HINTS_ELEMENTS #define xcb_get_wm_hints_reply xcb_icccm_get_wm_hints_reply #define xcb_get_wm_hints xcb_icccm_get_wm_hints #define xcb_get_wm_hints_unchecked xcb_icccm_get_wm_hints_unchecked #define xcb_set_wm_hints xcb_icccm_set_wm_hints #define xcb_set_wm_normal_hints xcb_icccm_set_wm_normal_hints #define xcb_size_hints_set_base_size xcb_icccm_size_hints_set_base_size #define xcb_size_hints_set_max_size xcb_icccm_size_hints_set_max_size #define xcb_size_hints_set_min_size xcb_icccm_size_hints_set_min_size #define xcb_size_hints_set_position xcb_icccm_size_hints_set_position #define xcb_size_hints_set_resize_inc xcb_icccm_size_hints_set_resize_inc #define xcb_size_hints_set_size xcb_icccm_size_hints_set_size #define xcb_size_hints_set_win_gravity xcb_icccm_size_hints_set_win_gravity #define xcb_wm_hints_set_iconic xcb_icccm_wm_hints_set_iconic #define xcb_wm_hints_set_normal xcb_icccm_wm_hints_set_normal #define xcb_wm_hints_set_input xcb_icccm_wm_hints_set_input #define xcb_wm_hints_t xcb_icccm_wm_hints_t #define XCB_WM_STATE_ICONIC XCB_ICCCM_WM_STATE_ICONIC #define XCB_WM_STATE_WITHDRAWN XCB_ICCCM_WM_STATE_WITHDRAWN #endif #include #include #include #include #include #include #ifdef XCB_USE_XLIB #include #include #endif #if defined(XCB_USE_XINPUT2) #include #include #endif #define XCOORD_MAX 16383 enum { defaultWindowWidth = 160, defaultWindowHeight = 160 }; //#ifdef NET_WM_STATE_DEBUG QT_BEGIN_NAMESPACE #undef FocusIn enum QX11EmbedFocusInDetail { XEMBED_FOCUS_CURRENT = 0, XEMBED_FOCUS_FIRST = 1, XEMBED_FOCUS_LAST = 2 }; enum QX11EmbedInfoFlags { XEMBED_MAPPED = (1 << 0), }; enum QX11EmbedMessageType { XEMBED_EMBEDDED_NOTIFY = 0, XEMBED_WINDOW_ACTIVATE = 1, XEMBED_WINDOW_DEACTIVATE = 2, XEMBED_REQUEST_FOCUS = 3, XEMBED_FOCUS_IN = 4, XEMBED_FOCUS_OUT = 5, XEMBED_FOCUS_NEXT = 6, XEMBED_FOCUS_PREV = 7, XEMBED_MODALITY_ON = 10, XEMBED_MODALITY_OFF = 11, XEMBED_REGISTER_ACCELERATOR = 12, XEMBED_UNREGISTER_ACCELERATOR = 13, XEMBED_ACTIVATE_ACCELERATOR = 14 }; const quint32 XEMBED_VERSION = 0; static inline QRect mapLocalGeometryToNative(const QRect &qtRect, int dpr) { return QRect(qtRect.x() * dpr, qtRect.y() * dpr, qtRect.width() * dpr, qtRect.height() * dpr); } // When mapping expose events to Qt rects: round top/left towards the origin and // bottom/right away from the origin, making sure that we cover the whole widget static inline QPoint dpr_floor(const QPoint &p, int dpr) { return QPoint(p.x()/dpr, p.y()/dpr); } static inline QPoint dpr_ceil(const QPoint &p, int dpr) { return QPoint((p.x() + dpr - 1) / dpr, (p.y() + dpr - 1) / dpr); } static inline QSize dpr_ceil(const QSize &s, int dpr) { return QSize((s.width() + dpr - 1) / dpr, (s.height() + dpr - 1) / dpr); } static inline QRect mapExposeFromNative(const QRect &xRect, int dpr) { return QRect(dpr_floor(xRect.topLeft(), dpr), dpr_ceil(xRect.bottomRight(), dpr)); } static inline QRect mapLocalGeometryFromNative(const QRect &xRect, int dpr) { return QRect(xRect.topLeft() / dpr, dpr_ceil(xRect.size(), dpr)); } QXcbScreen *QXcbWindow::parentScreen() { return parent() ? static_cast(parent())->parentScreen() : m_xcbScreen; } QPoint QXcbWindow::mapToNative(const QPoint &pos, const QXcbScreen *screen) const { if (parent()) return pos * int(screen->devicePixelRatio()); else return screen->mapToNative(pos); } QPoint QXcbWindow::mapFromNative(const QPoint &pos, const QXcbScreen *screen) const { if (parent()) return pos / int(screen->devicePixelRatio()); else return screen->mapFromNative(pos); } QRect QXcbWindow::mapToNative(const QRect &rect, const QXcbScreen *screen) const { if (parent()) return mapLocalGeometryToNative(rect, int(screen->devicePixelRatio())); else return screen->mapToNative(rect); } QRect QXcbWindow::mapFromNative(const QRect &rect, const QXcbScreen *screen) const { if (parent()) return mapLocalGeometryFromNative(rect, int(screen->devicePixelRatio())); else return screen->mapFromNative(rect); } // Returns \c true if we should set WM_TRANSIENT_FOR on \a w static inline bool isTransient(const QWindow *w) { return w->type() == Qt::Dialog || w->type() == Qt::Sheet || w->type() == Qt::Tool || w->type() == Qt::SplashScreen || w->type() == Qt::ToolTip || w->type() == Qt::Drawer || w->type() == Qt::Popup; } static inline QImage::Format imageFormatForVisual(int depth, quint32 red_mask, quint32 blue_mask, bool *rgbSwap) { if (rgbSwap) *rgbSwap = false; switch (depth) { case 32: if (blue_mask == 0xff) return QImage::Format_ARGB32_Premultiplied; if (red_mask == 0x3ff) return QImage::Format_A2BGR30_Premultiplied; if (blue_mask == 0x3ff) return QImage::Format_A2RGB30_Premultiplied; if (red_mask == 0xff) { if (rgbSwap) *rgbSwap = true; return QImage::Format_ARGB32_Premultiplied; } break; case 30: if (red_mask == 0x3ff) return QImage::Format_BGR30; if (blue_mask == 0x3ff) return QImage::Format_RGB30; break; case 24: if (blue_mask == 0xff) return QImage::Format_RGB32; if (red_mask == 0xff) { if (rgbSwap) *rgbSwap = true; return QImage::Format_RGB32; } break; case 16: if (blue_mask == 0x1f) return QImage::Format_RGB16; break; default: break; } qWarning("Unsupported screen format: depth: %d, red_mask: %x, blue_mask: %x", depth, red_mask, blue_mask); switch (depth) { case 24: qWarning("Using RGB32 fallback, if this works your X11 server is reporting a bad screen format."); return QImage::Format_RGB32; case 16: qWarning("Using RGB16 fallback, if this works your X11 server is reporting a bad screen format."); return QImage::Format_RGB16; default: break; } return QImage::Format_Invalid; } static inline bool positionIncludesFrame(QWindow *w) { return qt_window_private(w)->positionPolicy == QWindowPrivate::WindowFrameInclusive; } #ifdef XCB_USE_XLIB static inline XTextProperty* qstringToXTP(Display *dpy, const QString& s) { #include static XTextProperty tp = { 0, 0, 0, 0 }; static bool free_prop = true; // we can't free tp.value in case it references // the data of the static QByteArray below. if (tp.value) { if (free_prop) XFree(tp.value); tp.value = 0; free_prop = true; } static const QTextCodec* mapper = QTextCodec::codecForLocale(); int errCode = 0; if (mapper) { QByteArray mapped = mapper->fromUnicode(s); char* tl[2]; tl[0] = mapped.data(); tl[1] = 0; errCode = XmbTextListToTextProperty(dpy, tl, 1, XStdICCTextStyle, &tp); if (errCode < 0) qDebug("XmbTextListToTextProperty result code %d", errCode); } if (!mapper || errCode < 0) { mapper = QTextCodec::codecForName("latin1"); if (!mapper || !mapper->canEncode(s)) return Q_NULLPTR; static QByteArray qcs; qcs = s.toLatin1(); tp.value = (uchar*)qcs.data(); tp.encoding = XA_STRING; tp.format = 8; tp.nitems = qcs.length(); free_prop = false; } return &tp; } #endif // XCB_USE_XLIB static const char *wm_window_type_property_id = "_q_xcb_wm_window_type"; QXcbWindow::QXcbWindow(QWindow *window) : QPlatformWindow(window) , m_window(0) , m_xcbScreen(0) , m_syncCounter(0) , m_gravity(XCB_GRAVITY_STATIC) , m_mapped(false) , m_transparent(false) , m_usingSyncProtocol(false) , m_deferredActivation(false) , m_embedded(false) , m_alertState(false) , m_netWmUserTimeWindow(XCB_NONE) , m_dirtyFrameMargins(false) , m_lastWindowStateEvent(-1) , m_syncState(NoSyncNeeded) , m_pendingSyncRequest(0) { setConnection(xcbScreen()->connection()); } #ifdef Q_COMPILER_CLASS_ENUM enum : quint32 { #else enum { #endif baseEventMask = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_FOCUS_CHANGE, defaultEventMask = baseEventMask | XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_BUTTON_MOTION | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_POINTER_MOTION, transparentForInputEventMask = baseEventMask | XCB_EVENT_MASK_VISIBILITY_CHANGE | XCB_EVENT_MASK_RESIZE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_COLOR_MAP_CHANGE | XCB_EVENT_MASK_OWNER_GRAB_BUTTON }; void QXcbWindow::create() { if (window()->type() == Qt::ForeignWindow) { m_window = window()->winId(); return; } destroy(); m_deferredExpose = false; m_configureNotifyPending = true; m_windowState = Qt::WindowNoState; Qt::WindowType type = window()->type(); QXcbScreen *currentScreen = xcbScreen(); QRect rect = window()->geometry(); QXcbScreen *platformScreen = parent() ? parentScreen() : static_cast(screenForGeometry(rect)); m_xcbScreen = platformScreen; if (type == Qt::Desktop) { m_window = platformScreen->root(); m_depth = platformScreen->screen()->root_depth; m_visualId = platformScreen->screen()->root_visual; const xcb_visualtype_t *visual = 0; if (connection()->hasDefaultVisualId()) { visual = platformScreen->visualForId(connection()->defaultVisualId()); if (visual) m_visualId = connection()->defaultVisualId(); if (!visual) qWarning() << "Could not use default visual id. Falling back to root_visual for screen."; } if (!visual) visual = platformScreen->visualForId(m_visualId); m_imageFormat = imageFormatForVisual(m_depth, visual->red_mask, visual->blue_mask, &m_imageRgbSwap); connection()->addWindowEventListener(m_window, this); return; } const quint32 mask = XCB_CW_BACK_PIXMAP | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_SAVE_UNDER | XCB_CW_EVENT_MASK; const quint32 values[] = { // XCB_CW_BACK_PIXMAP XCB_NONE, // XCB_CW_OVERRIDE_REDIRECT type == Qt::Popup || type == Qt::ToolTip || (window()->flags() & Qt::BypassWindowManagerHint), // XCB_CW_SAVE_UNDER type == Qt::Popup || type == Qt::Tool || type == Qt::SplashScreen || type == Qt::ToolTip || type == Qt::Drawer, // XCB_CW_EVENT_MASK defaultEventMask }; // Parameters to XCreateWindow() are frame corner + inner size. // This fits in case position policy is frame inclusive. There is // currently no way to implement it for frame-exclusive geometries. QPlatformWindow::setGeometry(rect); if (platformScreen != currentScreen) QWindowSystemInterface::handleWindowScreenChanged(window(), platformScreen->QPlatformScreen::screen()); const int dpr = int(devicePixelRatio()); QSize minimumSize = window()->minimumSize(); if (rect.width() > 0 || rect.height() > 0) { rect.setWidth(qBound(1, rect.width(), XCOORD_MAX/dpr)); rect.setHeight(qBound(1, rect.height(), XCOORD_MAX/dpr)); } else if (minimumSize.width() > 0 || minimumSize.height() > 0) { rect.setSize(minimumSize); } else { rect.setWidth(defaultWindowWidth); rect.setHeight(defaultWindowHeight); } xcb_window_t xcb_parent_id = platformScreen->root(); if (parent()) { xcb_parent_id = static_cast(parent())->xcb_window(); m_embedded = parent()->window()->type() == Qt::ForeignWindow; QSurfaceFormat parentFormat = parent()->window()->requestedFormat(); if (window()->surfaceType() != QSurface::OpenGLSurface && parentFormat.hasAlpha()) { window()->setFormat(parentFormat); } } resolveFormat(); #ifdef XCB_USE_XLIB if (QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)) { XVisualInfo *visualInfo = Q_NULLPTR; if (connection()->hasDefaultVisualId()) visualInfo = CREATE_VISUALINFO_FROM_DEFAULT_VISUALID(this); if (!visualInfo) visualInfo = static_cast(createVisual()); if (!visualInfo && window()->surfaceType() == QSurface::OpenGLSurface) qFatal("Could not initialize OpenGL"); if (!visualInfo && window()->surfaceType() == QSurface::RasterGLSurface) { qWarning("Could not initialize OpenGL for RasterGLSurface, reverting to RasterSurface."); window()->setSurfaceType(QSurface::RasterSurface); } if (visualInfo) { m_depth = visualInfo->depth; m_imageFormat = imageFormatForVisual(visualInfo->depth, visualInfo->red_mask, visualInfo->blue_mask, &m_imageRgbSwap); Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), xcb_parent_id, visualInfo->visual, AllocNone); XSetWindowAttributes a; a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), platformScreen->screenNumber()); a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), platformScreen->screenNumber()); a.colormap = cmap; m_visualId = visualInfo->visualid; const QRect xRect = mapToNative(rect, platformScreen); m_window = XCreateWindow(DISPLAY_FROM_XCB(this), xcb_parent_id, xRect.x(), xRect.y(), xRect.width(), xRect.height(), 0, visualInfo->depth, InputOutput, visualInfo->visual, CWBackPixel|CWBorderPixel|CWColormap, &a); XFree(visualInfo); } } #endif if (!m_window) { m_window = xcb_generate_id(xcb_connection()); m_visualId = UINT_MAX; const xcb_visualtype_t *visual = Q_NULLPTR; m_depth = platformScreen->screen()->root_depth; uint32_t mask = 0; uint32_t values[3]; if (connection()->hasDefaultVisualId()) { m_visualId = connection()->defaultVisualId(); visual = platformScreen->visualForId(m_visualId); } if (!visual) { if (connection()->hasDefaultVisualId()) qWarning("Failed to use default visual id. Falling back to using screens root_visual"); m_visualId = platformScreen->screen()->root_visual; if (m_format.alphaBufferSize() == 8) { xcb_depth_iterator_t depthIter = xcb_screen_allowed_depths_iterator(platformScreen->screen()); while (depthIter.rem) { if (depthIter.data->depth == 32) { xcb_visualtype_iterator_t visualIter = xcb_depth_visuals_iterator(depthIter.data); if (visualIter.rem) { m_visualId = visualIter.data->visual_id; m_depth = 32; uint32_t colormap = xcb_generate_id(xcb_connection()); xcb_create_colormap(xcb_connection(), XCB_COLORMAP_ALLOC_NONE, colormap, xcb_parent_id, m_visualId); mask |= XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_COLORMAP; values[0] = platformScreen->screen()->white_pixel; values[1] = platformScreen->screen()->black_pixel; values[2] = colormap; break; } } xcb_depth_next(&depthIter); } } visual = platformScreen->visualForId(m_visualId); } m_imageFormat = imageFormatForVisual(m_depth, visual->red_mask, visual->blue_mask, &m_imageRgbSwap); const QRect xRect = mapToNative(rect, platformScreen); Q_XCB_CALL(xcb_create_window(xcb_connection(), m_depth, m_window, // window id xcb_parent_id, // parent window id xRect.x(), xRect.y(), xRect.width(), xRect.height(), 0, // border width XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class m_visualId, // visual mask, values)); } connection()->addWindowEventListener(m_window, this); Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values)); propagateSizeHints(); xcb_atom_t properties[5]; int propertyCount = 0; properties[propertyCount++] = atom(QXcbAtom::WM_DELETE_WINDOW); properties[propertyCount++] = atom(QXcbAtom::WM_TAKE_FOCUS); properties[propertyCount++] = atom(QXcbAtom::_NET_WM_PING); if (platformScreen->syncRequestSupported()) m_usingSyncProtocol = supportsSyncProtocol(); else m_usingSyncProtocol = false; if (m_usingSyncProtocol) properties[propertyCount++] = atom(QXcbAtom::_NET_WM_SYNC_REQUEST); if (window()->flags() & Qt::WindowContextHelpButtonHint) properties[propertyCount++] = atom(QXcbAtom::_NET_WM_CONTEXT_HELP); Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::WM_PROTOCOLS), XCB_ATOM_ATOM, 32, propertyCount, properties)); m_syncValue.hi = 0; m_syncValue.lo = 0; const QByteArray wmClass = QXcbIntegration::instance()->wmClass(); if (!wmClass.isEmpty()) { Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::WM_CLASS), XCB_ATOM_STRING, 8, wmClass.size(), wmClass.constData())); } if (m_usingSyncProtocol) { m_syncCounter = xcb_generate_id(xcb_connection()); Q_XCB_CALL(xcb_sync_create_counter(xcb_connection(), m_syncCounter, m_syncValue)); Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_SYNC_REQUEST_COUNTER), XCB_ATOM_CARDINAL, 32, 1, &m_syncCounter)); } // set the PID to let the WM kill the application if unresponsive quint32 pid = getpid(); Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_PID), XCB_ATOM_CARDINAL, 32, 1, &pid)); xcb_wm_hints_t hints; memset(&hints, 0, sizeof(hints)); xcb_wm_hints_set_normal(&hints); xcb_wm_hints_set_input(&hints, !(window()->flags() & Qt::WindowDoesNotAcceptFocus)); xcb_set_wm_hints(xcb_connection(), m_window, &hints); xcb_window_t leader = platformScreen->clientLeader(); Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::WM_CLIENT_LEADER), XCB_ATOM_WINDOW, 32, 1, &leader)); /* Add XEMBED info; this operation doesn't initiate the embedding. */ quint32 data[] = { XEMBED_VERSION, XEMBED_MAPPED }; Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_XEMBED_INFO), atom(QXcbAtom::_XEMBED_INFO), 32, 2, (void *)data)); #if defined(XCB_USE_XINPUT2) connection()->xi2Select(m_window); #endif setWindowState(window()->windowState()); setWindowFlags(window()->flags()); setWindowTitle(window()->title()); if (window()->flags() & Qt::WindowTransparentForInput) setTransparentForMouseEvents(true); #ifdef XCB_USE_XLIB // force sync to read outstanding requests - see QTBUG-29106 XSync(DISPLAY_FROM_XCB(platformScreen), false); #endif #ifndef QT_NO_DRAGANDDROP connection()->drag()->dndEnable(this, true); #endif const qreal opacity = qt_window_private(window())->opacity; if (!qFuzzyCompare(opacity, qreal(1.0))) setOpacity(opacity); if (window()->isTopLevel()) setWindowIcon(window()->icon()); } QXcbWindow::~QXcbWindow() { if (window()->type() != Qt::ForeignWindow) destroy(); } void QXcbWindow::destroy() { if (connection()->focusWindow() == this) doFocusOut(); if (m_syncCounter && m_usingSyncProtocol) Q_XCB_CALL(xcb_sync_destroy_counter(xcb_connection(), m_syncCounter)); if (m_window) { if (m_netWmUserTimeWindow) { xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW)); // Some window managers, like metacity, do XSelectInput on the _NET_WM_USER_TIME_WINDOW window, // without trapping BadWindow (which crashes when the user time window is destroyed). connection()->sync(); xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow); m_netWmUserTimeWindow = XCB_NONE; } connection()->removeWindowEventListener(m_window); Q_XCB_CALL(xcb_destroy_window(xcb_connection(), m_window)); m_window = 0; } m_mapped = false; if (m_pendingSyncRequest) m_pendingSyncRequest->invalidate(); } void QXcbWindow::maybeSetScreen(QXcbScreen *screen) { if (!window()->screen() && screen->geometry().contains(geometry().topLeft())) { QWindowSystemInterface::handleWindowScreenChanged(window(), static_cast(screen)->screen()); QWindowSystemInterface::handleExposeEvent(window(), QRegion(QRect(QPoint(0, 0), window()->size()))); } } void QXcbWindow::setGeometry(const QRect &rect) { QPlatformWindow::setGeometry(rect); propagateSizeHints(); QXcbScreen *currentScreen = xcbScreen(); QXcbScreen *newScreen = parent() ? parentScreen() : static_cast(screenForGeometry(rect)); if (!newScreen) newScreen = currentScreen; m_xcbScreen = newScreen; const QRect xRect = mapToNative(rect, newScreen); const QRect wmGeometry = windowToWmGeometry(xRect); if (newScreen != currentScreen) QWindowSystemInterface::handleWindowScreenChanged(window(), newScreen->QPlatformScreen::screen()); if (qt_window_private(window())->positionAutomatic) { const quint32 mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT; const qint32 values[] = { qBound(1, wmGeometry.width(), XCOORD_MAX), qBound(1, wmGeometry.height(), XCOORD_MAX), }; Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, reinterpret_cast(values))); } else { const quint32 mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT; const qint32 values[] = { qBound(-XCOORD_MAX, wmGeometry.x(), XCOORD_MAX), qBound(-XCOORD_MAX, wmGeometry.y(), XCOORD_MAX), qBound(1, wmGeometry.width(), XCOORD_MAX), qBound(1, wmGeometry.height(), XCOORD_MAX), }; Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, reinterpret_cast(values))); } xcb_flush(xcb_connection()); } QMargins QXcbWindow::frameMargins() const { if (m_dirtyFrameMargins) { xcb_window_t window = m_window; xcb_window_t parent = m_window; bool foundRoot = false; const QVector &virtualRoots = connection()->wmSupport()->virtualRoots(); while (!foundRoot) { xcb_query_tree_cookie_t cookie = xcb_query_tree_unchecked(xcb_connection(), parent); xcb_query_tree_reply_t *reply = xcb_query_tree_reply(xcb_connection(), cookie, NULL); if (reply) { if (reply->root == reply->parent || virtualRoots.indexOf(reply->parent) != -1 || reply->parent == XCB_WINDOW_NONE) { foundRoot = true; } else { window = parent; parent = reply->parent; } free(reply); } else { m_dirtyFrameMargins = false; m_frameMargins = QMargins(); return m_frameMargins; } } QPoint offset; xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply( xcb_connection(), xcb_translate_coordinates(xcb_connection(), window, parent, 0, 0), NULL); if (reply) { offset = QPoint(reply->dst_x, reply->dst_y); free(reply); } xcb_get_geometry_reply_t *geom = xcb_get_geometry_reply( xcb_connection(), xcb_get_geometry(xcb_connection(), parent), NULL); if (geom) { // -- // add the border_width for the window managers frame... some window managers // do not use a border_width of zero for their frames, and if we the left and // top strut, we ensure that pos() is absolutely correct. frameGeometry() // will still be incorrect though... perhaps i should have foffset as well, to // indicate the frame offset (equal to the border_width on X). // - Brad // -- copied from qwidget_x11.cpp int left = offset.x() + geom->border_width; int top = offset.y() + geom->border_width; int right = geom->width + geom->border_width - geometry().width() - offset.x(); int bottom = geom->height + geom->border_width - geometry().height() - offset.y(); m_frameMargins = QMargins(left, top, right, bottom); free(geom); } m_dirtyFrameMargins = false; } return m_frameMargins; } void QXcbWindow::setVisible(bool visible) { if (visible) show(); else hide(); } void QXcbWindow::show() { if (window()->isTopLevel()) { xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window); xcb_wm_hints_t hints; xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL); if (window()->windowState() & Qt::WindowMinimized) xcb_wm_hints_set_iconic(&hints); else xcb_wm_hints_set_normal(&hints); xcb_wm_hints_set_input(&hints, !(window()->flags() & Qt::WindowDoesNotAcceptFocus)); xcb_set_wm_hints(xcb_connection(), m_window, &hints); m_gravity = positionIncludesFrame(window()) ? XCB_GRAVITY_NORTH_WEST : XCB_GRAVITY_STATIC; // update WM_NORMAL_HINTS propagateSizeHints(); // update WM_TRANSIENT_FOR const QWindow *tp = window()->transientParent(); if (isTransient(window()) || tp != 0) { xcb_window_t transientXcbParent = 0; if (tp && tp->handle()) transientXcbParent = static_cast(tp->handle())->winId(); // Default to client leader if there is no transient parent, else modal dialogs can // be hidden by their parents. if (!transientXcbParent) transientXcbParent = xcbScreen()->clientLeader(); if (transientXcbParent) { // ICCCM 4.1.2.6 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32, 1, &transientXcbParent)); } } // update _MOTIF_WM_HINTS updateMotifWmHintsBeforeMap(); // update _NET_WM_STATE updateNetWmStateBeforeMap(); } if (window()->dynamicPropertyNames().contains(wm_window_type_property_id)) { QXcbWindowFunctions::WmWindowTypes wmWindowTypes(window()->property(wm_window_type_property_id).value()); setWmWindowType(wmWindowTypes); } if (connection()->time() != XCB_TIME_CURRENT_TIME) updateNetWmUserTime(connection()->time()); if (window()->objectName() == QLatin1String("QSystemTrayIconSysWindow")) return; // defer showing until XEMBED_EMBEDDED_NOTIFY Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window)); if (QGuiApplication::modalWindow() == window()) requestActivateWindow(); xcbScreen()->windowShown(this); connection()->sync(); } void QXcbWindow::hide() { Q_XCB_CALL(xcb_unmap_window(xcb_connection(), m_window)); // send synthetic UnmapNotify event according to icccm 4.1.4 if (xcbScreen()) { xcb_unmap_notify_event_t event; event.response_type = XCB_UNMAP_NOTIFY; event.event = xcbScreen()->root(); event.window = m_window; event.from_configure = false; Q_XCB_CALL(xcb_send_event(xcb_connection(), false, xcbScreen()->root(), XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event)); } xcb_flush(xcb_connection()); m_mapped = false; } static QWindow *tlWindow(QWindow *window) { if (window && window->parent()) return tlWindow(window->parent()); return window; } bool QXcbWindow::relayFocusToModalWindow() const { QWindow *w = tlWindow(static_cast(QObjectPrivate::get(window()))->eventReceiver()); QWindow *modal_window = 0; if (QGuiApplicationPrivate::instance()->isWindowBlocked(w,&modal_window) && modal_window != w) { modal_window->requestActivate(); connection()->flush(); return true; } return false; } void QXcbWindow::doFocusIn() { if (relayFocusToModalWindow()) return; QWindow *w = static_cast(QObjectPrivate::get(window()))->eventReceiver(); connection()->setFocusWindow(static_cast(w->handle())); QWindowSystemInterface::handleWindowActivated(w, Qt::ActiveWindowFocusReason); } static bool focusInPeeker(QXcbConnection *connection, xcb_generic_event_t *event) { if (!event) { // FocusIn event is not in the queue, proceed with FocusOut normally. QWindowSystemInterface::handleWindowActivated(0, Qt::ActiveWindowFocusReason); return true; } uint response_type = event->response_type & ~0x80; if (response_type == XCB_FOCUS_IN) return true; /* We are also interested in XEMBED_FOCUS_IN events */ if (response_type == XCB_CLIENT_MESSAGE) { xcb_client_message_event_t *cme = (xcb_client_message_event_t *)event; if (cme->type == connection->atom(QXcbAtom::_XEMBED) && cme->data.data32[1] == XEMBED_FOCUS_IN) return true; } return false; } void QXcbWindow::doFocusOut() { if (relayFocusToModalWindow()) return; connection()->setFocusWindow(0); // Do not set the active window to 0 if there is a FocusIn coming. // There is however no equivalent for XPutBackEvent so register a // callback for QXcbConnection instead. connection()->addPeekFunc(focusInPeeker); } struct QtMotifWmHints { quint32 flags, functions, decorations; qint32 input_mode; quint32 status; }; enum { MWM_HINTS_FUNCTIONS = (1L << 0), MWM_FUNC_ALL = (1L << 0), MWM_FUNC_RESIZE = (1L << 1), MWM_FUNC_MOVE = (1L << 2), MWM_FUNC_MINIMIZE = (1L << 3), MWM_FUNC_MAXIMIZE = (1L << 4), MWM_FUNC_CLOSE = (1L << 5), MWM_HINTS_DECORATIONS = (1L << 1), MWM_DECOR_ALL = (1L << 0), MWM_DECOR_BORDER = (1L << 1), MWM_DECOR_RESIZEH = (1L << 2), MWM_DECOR_TITLE = (1L << 3), MWM_DECOR_MENU = (1L << 4), MWM_DECOR_MINIMIZE = (1L << 5), MWM_DECOR_MAXIMIZE = (1L << 6), MWM_HINTS_INPUT_MODE = (1L << 2), MWM_INPUT_MODELESS = 0L, MWM_INPUT_PRIMARY_APPLICATION_MODAL = 1L, MWM_INPUT_FULL_APPLICATION_MODAL = 3L }; static QtMotifWmHints getMotifWmHints(QXcbConnection *c, xcb_window_t window) { QtMotifWmHints hints; xcb_get_property_cookie_t get_cookie = xcb_get_property_unchecked(c->xcb_connection(), 0, window, c->atom(QXcbAtom::_MOTIF_WM_HINTS), c->atom(QXcbAtom::_MOTIF_WM_HINTS), 0, 20); xcb_get_property_reply_t *reply = xcb_get_property_reply(c->xcb_connection(), get_cookie, NULL); if (reply && reply->format == 32 && reply->type == c->atom(QXcbAtom::_MOTIF_WM_HINTS)) { hints = *((QtMotifWmHints *)xcb_get_property_value(reply)); } else { hints.flags = 0L; hints.functions = MWM_FUNC_ALL; hints.decorations = MWM_DECOR_ALL; hints.input_mode = 0L; hints.status = 0L; } free(reply); return hints; } static void setMotifWmHints(QXcbConnection *c, xcb_window_t window, const QtMotifWmHints &hints) { if (hints.flags != 0l) { Q_XCB_CALL2(xcb_change_property(c->xcb_connection(), XCB_PROP_MODE_REPLACE, window, c->atom(QXcbAtom::_MOTIF_WM_HINTS), c->atom(QXcbAtom::_MOTIF_WM_HINTS), 32, 5, &hints), c); } else { Q_XCB_CALL2(xcb_delete_property(c->xcb_connection(), window, c->atom(QXcbAtom::_MOTIF_WM_HINTS)), c); } } QXcbWindow::NetWmStates QXcbWindow::netWmStates() { NetWmStates result(0); xcb_get_property_cookie_t get_cookie = xcb_get_property_unchecked(xcb_connection(), 0, m_window, atom(QXcbAtom::_NET_WM_STATE), XCB_ATOM_ATOM, 0, 1024); xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), get_cookie, NULL); if (reply && reply->format == 32 && reply->type == XCB_ATOM_ATOM) { const xcb_atom_t *states = static_cast(xcb_get_property_value(reply)); const xcb_atom_t *statesEnd = states + reply->length; if (statesEnd != std::find(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_ABOVE))) result |= NetWmStateAbove; if (statesEnd != std::find(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_BELOW))) result |= NetWmStateBelow; if (statesEnd != std::find(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN))) result |= NetWmStateFullScreen; if (statesEnd != std::find(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ))) result |= NetWmStateMaximizedHorz; if (statesEnd != std::find(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT))) result |= NetWmStateMaximizedVert; if (statesEnd != std::find(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MODAL))) result |= NetWmStateModal; if (statesEnd != std::find(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP))) result |= NetWmStateStaysOnTop; if (statesEnd != std::find(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION))) result |= NetWmStateDemandsAttention; free(reply); } else { #ifdef NET_WM_STATE_DEBUG printf("getting net wm state (%x), empty\n", m_window); #endif } return result; } void QXcbWindow::setNetWmStates(NetWmStates states) { QVector atoms; if (states & NetWmStateAbove) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_ABOVE)); if (states & NetWmStateBelow) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_BELOW)); if (states & NetWmStateFullScreen) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN)); if (states & NetWmStateMaximizedHorz) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ)); if (states & NetWmStateMaximizedVert) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT)); if (states & NetWmStateModal) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MODAL)); if (states & NetWmStateStaysOnTop) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP)); if (states & NetWmStateDemandsAttention) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION)); if (atoms.isEmpty()) { Q_XCB_CALL(xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_STATE))); } else { Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_STATE), XCB_ATOM_ATOM, 32, atoms.count(), atoms.constData())); } xcb_flush(xcb_connection()); } void QXcbWindow::setWindowFlags(Qt::WindowFlags flags) { Qt::WindowType type = static_cast(int(flags & Qt::WindowType_Mask)); if (type == Qt::ToolTip) flags |= Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint; if (type == Qt::Popup) flags |= Qt::X11BypassWindowManagerHint; const quint32 mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK; const quint32 values[] = { // XCB_CW_OVERRIDE_REDIRECT (flags & Qt::BypassWindowManagerHint) ? 1u : 0, // XCB_CW_EVENT_MASK (flags & Qt::WindowTransparentForInput) ? transparentForInputEventMask : defaultEventMask }; xcb_change_window_attributes(xcb_connection(), xcb_window(), mask, values); setNetWmWindowFlags(flags); setMotifWindowFlags(flags); setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput); updateDoesNotAcceptFocus(flags & Qt::WindowDoesNotAcceptFocus); } void QXcbWindow::setMotifWindowFlags(Qt::WindowFlags flags) { Qt::WindowType type = static_cast(int(flags & Qt::WindowType_Mask)); QtMotifWmHints mwmhints; mwmhints.flags = 0L; mwmhints.functions = 0L; mwmhints.decorations = 0; mwmhints.input_mode = 0L; mwmhints.status = 0L; if (type != Qt::SplashScreen) { mwmhints.flags |= MWM_HINTS_DECORATIONS; bool customize = flags & Qt::CustomizeWindowHint; if (!(flags & Qt::FramelessWindowHint) && !(customize && !(flags & Qt::WindowTitleHint))) { mwmhints.decorations |= MWM_DECOR_BORDER; mwmhints.decorations |= MWM_DECOR_RESIZEH; mwmhints.decorations |= MWM_DECOR_TITLE; if (flags & Qt::WindowSystemMenuHint) mwmhints.decorations |= MWM_DECOR_MENU; if (flags & Qt::WindowMinimizeButtonHint) { mwmhints.decorations |= MWM_DECOR_MINIMIZE; mwmhints.functions |= MWM_FUNC_MINIMIZE; } if (flags & Qt::WindowMaximizeButtonHint) { mwmhints.decorations |= MWM_DECOR_MAXIMIZE; mwmhints.functions |= MWM_FUNC_MAXIMIZE; } if (flags & Qt::WindowCloseButtonHint) mwmhints.functions |= MWM_FUNC_CLOSE; } } else { // if type == Qt::SplashScreen mwmhints.decorations = MWM_DECOR_ALL; } if (mwmhints.functions != 0) { mwmhints.flags |= MWM_HINTS_FUNCTIONS; mwmhints.functions |= MWM_FUNC_MOVE | MWM_FUNC_RESIZE; } else { mwmhints.functions = MWM_FUNC_ALL; } if (!(flags & Qt::FramelessWindowHint) && flags & Qt::CustomizeWindowHint && flags & Qt::WindowTitleHint && !(flags & (Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint | Qt::WindowCloseButtonHint))) { // a special case - only the titlebar without any button mwmhints.flags = MWM_HINTS_FUNCTIONS; mwmhints.functions = MWM_FUNC_MOVE | MWM_FUNC_RESIZE; mwmhints.decorations = 0; } setMotifWmHints(connection(), m_window, mwmhints); } void QXcbWindow::changeNetWmState(bool set, xcb_atom_t one, xcb_atom_t two) { xcb_client_message_event_t event; event.response_type = XCB_CLIENT_MESSAGE; event.format = 32; event.window = m_window; event.type = atom(QXcbAtom::_NET_WM_STATE); event.data.data32[0] = set ? 1 : 0; event.data.data32[1] = one; event.data.data32[2] = two; event.data.data32[3] = 0; event.data.data32[4] = 0; if (!xcbScreen()) return; Q_XCB_CALL(xcb_send_event(xcb_connection(), 0, xcbScreen()->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event)); } void QXcbWindow::setWindowState(Qt::WindowState state) { if (state == m_windowState) return; // unset old state switch (m_windowState) { case Qt::WindowMinimized: Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window)); break; case Qt::WindowMaximized: changeNetWmState(false, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ), atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT)); break; case Qt::WindowFullScreen: changeNetWmState(false, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN)); break; default: break; } // set new state switch (state) { case Qt::WindowMinimized: { xcb_client_message_event_t event; event.response_type = XCB_CLIENT_MESSAGE; event.format = 32; event.window = m_window; event.type = atom(QXcbAtom::WM_CHANGE_STATE); event.data.data32[0] = XCB_WM_STATE_ICONIC; event.data.data32[1] = 0; event.data.data32[2] = 0; event.data.data32[3] = 0; event.data.data32[4] = 0; Q_XCB_CALL(xcb_send_event(xcb_connection(), 0, xcbScreen()->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event)); } break; case Qt::WindowMaximized: changeNetWmState(true, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ), atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT)); break; case Qt::WindowFullScreen: changeNetWmState(true, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN)); break; case Qt::WindowNoState: break; default: break; } connection()->sync(); m_windowState = state; } void QXcbWindow::setNetWmWindowFlags(Qt::WindowFlags flags) { // in order of decreasing priority QVector windowTypes; Qt::WindowType type = static_cast(int(flags & Qt::WindowType_Mask)); switch (type) { case Qt::Dialog: case Qt::Sheet: windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DIALOG)); break; case Qt::Tool: case Qt::Drawer: windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_UTILITY)); break; case Qt::ToolTip: windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLTIP)); break; case Qt::SplashScreen: windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_SPLASH)); break; default: break; } if (flags & Qt::FramelessWindowHint) windowTypes.append(atom(QXcbAtom::_KDE_NET_WM_WINDOW_TYPE_OVERRIDE)); windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_NORMAL)); Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_WINDOW_TYPE), XCB_ATOM_ATOM, 32, windowTypes.count(), windowTypes.constData())); } void QXcbWindow::updateMotifWmHintsBeforeMap() { QtMotifWmHints mwmhints = getMotifWmHints(connection(), m_window); if (window()->modality() != Qt::NonModal) { switch (window()->modality()) { case Qt::WindowModal: mwmhints.input_mode = MWM_INPUT_PRIMARY_APPLICATION_MODAL; break; case Qt::ApplicationModal: default: mwmhints.input_mode = MWM_INPUT_FULL_APPLICATION_MODAL; break; } mwmhints.flags |= MWM_HINTS_INPUT_MODE; } else { mwmhints.input_mode = MWM_INPUT_MODELESS; mwmhints.flags &= ~MWM_HINTS_INPUT_MODE; } if (window()->minimumSize() == window()->maximumSize()) { // fixed size, remove the resize handle (since mwm/dtwm // isn't smart enough to do it itself) mwmhints.flags |= MWM_HINTS_FUNCTIONS; if (mwmhints.functions == MWM_FUNC_ALL) { mwmhints.functions = MWM_FUNC_MOVE; } else { mwmhints.functions &= ~MWM_FUNC_RESIZE; } if (mwmhints.decorations == MWM_DECOR_ALL) { mwmhints.flags |= MWM_HINTS_DECORATIONS; mwmhints.decorations = (MWM_DECOR_BORDER | MWM_DECOR_TITLE | MWM_DECOR_MENU); } else { mwmhints.decorations &= ~MWM_DECOR_RESIZEH; } } if (window()->flags() & Qt::WindowMinimizeButtonHint) { mwmhints.flags |= MWM_HINTS_DECORATIONS; mwmhints.decorations |= MWM_DECOR_MINIMIZE; mwmhints.functions |= MWM_FUNC_MINIMIZE; } if (window()->flags() & Qt::WindowMaximizeButtonHint) { mwmhints.flags |= MWM_HINTS_DECORATIONS; mwmhints.decorations |= MWM_DECOR_MAXIMIZE; mwmhints.functions |= MWM_FUNC_MAXIMIZE; } if (window()->flags() & Qt::WindowCloseButtonHint) mwmhints.functions |= MWM_FUNC_CLOSE; setMotifWmHints(connection(), m_window, mwmhints); } void QXcbWindow::updateNetWmStateBeforeMap() { NetWmStates states(0); const Qt::WindowFlags flags = window()->flags(); if (flags & Qt::WindowStaysOnTopHint) { states |= NetWmStateAbove; states |= NetWmStateStaysOnTop; } else if (flags & Qt::WindowStaysOnBottomHint) { states |= NetWmStateBelow; } if (window()->windowState() & Qt::WindowFullScreen) states |= NetWmStateFullScreen; if (window()->windowState() & Qt::WindowMaximized) { states |= NetWmStateMaximizedHorz; states |= NetWmStateMaximizedVert; } if (window()->modality() != Qt::NonModal) states |= NetWmStateModal; setNetWmStates(states); } void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp) { xcb_window_t wid = m_window; connection()->setNetWmUserTime(timestamp); const bool isSupportedByWM = connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW)); if (m_netWmUserTimeWindow || isSupportedByWM) { if (!m_netWmUserTimeWindow) { m_netWmUserTimeWindow = xcb_generate_id(xcb_connection()); Q_XCB_CALL(xcb_create_window(xcb_connection(), XCB_COPY_FROM_PARENT, // depth -- same as root m_netWmUserTimeWindow, // window id m_window, // parent window id -1, -1, 1, 1, 0, // border width XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class m_visualId, // visual 0, // value mask 0)); // value list wid = m_netWmUserTimeWindow; xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW), XCB_ATOM_WINDOW, 32, 1, &m_netWmUserTimeWindow); xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME)); #ifndef QT_NO_DEBUG QByteArray ba("Qt NET_WM user time window"); Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_netWmUserTimeWindow, atom(QXcbAtom::_NET_WM_NAME), atom(QXcbAtom::UTF8_STRING), 8, ba.length(), ba.constData())); #endif } else if (!isSupportedByWM) { // WM no longer supports it, then we should remove the // _NET_WM_USER_TIME_WINDOW atom. xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW)); xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow); m_netWmUserTimeWindow = XCB_NONE; } else { wid = m_netWmUserTimeWindow; } } xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, wid, atom(QXcbAtom::_NET_WM_USER_TIME), XCB_ATOM_CARDINAL, 32, 1, ×tamp); } void QXcbWindow::setTransparentForMouseEvents(bool transparent) { if (!connection()->hasXFixes() || transparent == m_transparent) return; xcb_rectangle_t rectangle; xcb_rectangle_t *rect = 0; int nrect = 0; if (!transparent) { rectangle.x = 0; rectangle.y = 0; rectangle.width = geometry().width(); rectangle.height = geometry().height(); rect = &rectangle; nrect = 1; } xcb_xfixes_region_t region = xcb_generate_id(xcb_connection()); xcb_xfixes_create_region(xcb_connection(), region, nrect, rect); xcb_xfixes_set_window_shape_region_checked(xcb_connection(), m_window, XCB_SHAPE_SK_INPUT, 0, 0, region); xcb_xfixes_destroy_region(xcb_connection(), region); m_transparent = transparent; } void QXcbWindow::updateDoesNotAcceptFocus(bool doesNotAcceptFocus) { xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window); xcb_wm_hints_t hints; if (!xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL)) { return; } xcb_wm_hints_set_input(&hints, !doesNotAcceptFocus); xcb_set_wm_hints(xcb_connection(), m_window, &hints); } WId QXcbWindow::winId() const { return m_window; } void QXcbWindow::setParent(const QPlatformWindow *parent) { QPoint topLeft = geometry().topLeft(); xcb_window_t xcb_parent_id; if (parent) { const QXcbWindow *qXcbParent = static_cast(parent); xcb_parent_id = qXcbParent->xcb_window(); m_embedded = qXcbParent->window()->type() == Qt::ForeignWindow; } else { if (!xcbScreen()) return; xcb_parent_id = xcbScreen()->root(); m_embedded = false; } Q_XCB_CALL(xcb_reparent_window(xcb_connection(), xcb_window(), xcb_parent_id, topLeft.x(), topLeft.y())); } void QXcbWindow::setWindowTitle(const QString &title) { const QString fullTitle = formatWindowTitle(title, QString::fromUtf8(" \xe2\x80\x94 ")); // unicode character U+2014, EM DASH const QByteArray ba = fullTitle.toUtf8(); Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_NAME), atom(QXcbAtom::UTF8_STRING), 8, ba.length(), ba.constData())); #ifdef XCB_USE_XLIB XTextProperty *text = qstringToXTP(DISPLAY_FROM_XCB(this), title); if (text) XSetWMName(DISPLAY_FROM_XCB(this), m_window, text); #endif xcb_flush(xcb_connection()); } void QXcbWindow::setWindowIcon(const QIcon &icon) { QVector icon_data; if (!icon.isNull()) { QList availableSizes = icon.availableSizes(); if (availableSizes.isEmpty()) { // try to use default sizes since the icon can be a scalable image like svg. availableSizes.push_back(QSize(16,16)); availableSizes.push_back(QSize(32,32)); availableSizes.push_back(QSize(64,64)); availableSizes.push_back(QSize(128,128)); } for (int i = 0; i < availableSizes.size(); ++i) { QSize size = availableSizes.at(i); QPixmap pixmap = icon.pixmap(size); if (!pixmap.isNull()) { QImage image = pixmap.toImage().convertToFormat(QImage::Format_ARGB32); int pos = icon_data.size(); icon_data.resize(pos + 2 + image.width()*image.height()); icon_data[pos++] = image.width(); icon_data[pos++] = image.height(); memcpy(icon_data.data() + pos, image.bits(), image.width()*image.height()*4); } } } if (!icon_data.isEmpty()) { Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_ICON), atom(QXcbAtom::CARDINAL), 32, icon_data.size(), (unsigned char *) icon_data.data())); } else { Q_XCB_CALL(xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_ICON))); } } void QXcbWindow::raise() { const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE; const quint32 values[] = { XCB_STACK_MODE_ABOVE }; Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values)); } void QXcbWindow::lower() { const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE; const quint32 values[] = { XCB_STACK_MODE_BELOW }; Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values)); } // Adapt the geometry to match the WM expection with regards // to gravity. QRect QXcbWindow::windowToWmGeometry(QRect r) const { if (m_dirtyFrameMargins || m_frameMargins.isNull()) return r; const bool frameInclusive = positionIncludesFrame(window()); // XCB_GRAVITY_STATIC requires the inner geometry, whereas // XCB_GRAVITY_NORTH_WEST requires the frame geometry if (frameInclusive && m_gravity == XCB_GRAVITY_STATIC) { r.translate(m_frameMargins.left(), m_frameMargins.top()); } else if (!frameInclusive && m_gravity == XCB_GRAVITY_NORTH_WEST) { r.translate(-m_frameMargins.left(), -m_frameMargins.top()); } return r; } void QXcbWindow::propagateSizeHints() { // update WM_NORMAL_HINTS xcb_size_hints_t hints; memset(&hints, 0, sizeof(hints)); const int dpr = int(devicePixelRatio()); const QRect xRect = windowToWmGeometry(mapToNative(geometry(), xcbScreen())); QWindow *win = window(); if (!qt_window_private(win)->positionAutomatic) xcb_size_hints_set_position(&hints, true, xRect.x(), xRect.y()); if (xRect.width() < QWINDOWSIZE_MAX || xRect.height() < QWINDOWSIZE_MAX) xcb_size_hints_set_size(&hints, true, xRect.width(), xRect.height()); xcb_size_hints_set_win_gravity(&hints, m_gravity); QSize minimumSize = win->minimumSize() * dpr; QSize maximumSize = win->maximumSize() * dpr; QSize baseSize = win->baseSize() * dpr; QSize sizeIncrement = win->sizeIncrement() * dpr; if (minimumSize.width() > 0 || minimumSize.height() > 0) xcb_size_hints_set_min_size(&hints, qMin(XCOORD_MAX,minimumSize.width()), qMin(XCOORD_MAX,minimumSize.height())); if (maximumSize.width() < QWINDOWSIZE_MAX || maximumSize.height() < QWINDOWSIZE_MAX) xcb_size_hints_set_max_size(&hints, qMin(XCOORD_MAX, maximumSize.width()), qMin(XCOORD_MAX, maximumSize.height())); if (sizeIncrement.width() > 0 || sizeIncrement.height() > 0) { xcb_size_hints_set_base_size(&hints, baseSize.width(), baseSize.height()); xcb_size_hints_set_resize_inc(&hints, sizeIncrement.width(), sizeIncrement.height()); } xcb_set_wm_normal_hints(xcb_connection(), m_window, &hints); } void QXcbWindow::requestActivateWindow() { /* Never activate embedded windows; doing that would prevent the container * to re-gain the keyboard focus later. */ if (m_embedded) { QPlatformWindow::requestActivateWindow(); return; } if (!m_mapped) { m_deferredActivation = true; return; } m_deferredActivation = false; updateNetWmUserTime(connection()->time()); if (window()->isTopLevel() && !(window()->flags() & Qt::X11BypassWindowManagerHint) && connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_ACTIVE_WINDOW))) { xcb_client_message_event_t event; event.response_type = XCB_CLIENT_MESSAGE; event.format = 32; event.window = m_window; event.type = atom(QXcbAtom::_NET_ACTIVE_WINDOW); event.data.data32[0] = 1; event.data.data32[1] = connection()->time(); QWindow *focusWindow = QGuiApplication::focusWindow(); event.data.data32[2] = focusWindow ? focusWindow->winId() : XCB_NONE; event.data.data32[3] = 0; event.data.data32[4] = 0; Q_XCB_CALL(xcb_send_event(xcb_connection(), 0, xcbScreen()->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event)); } else { Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, connection()->time())); } connection()->sync(); } QSurfaceFormat QXcbWindow::format() const { return m_format; } void QXcbWindow::setWmWindowTypeStatic(QWindow *window, QXcbWindowFunctions::WmWindowTypes windowTypes) { if (window->handle()) static_cast(window->handle())->setWmWindowType(windowTypes); else window->setProperty(wm_window_type_property_id, QVariant::fromValue(static_cast(windowTypes))); } uint QXcbWindow::visualIdStatic(QWindow *window) { if (window && window->handle()) return static_cast(window->handle())->visualId(); return UINT_MAX; } QXcbWindowFunctions::WmWindowTypes QXcbWindow::wmWindowTypes() const { QXcbWindowFunctions::WmWindowTypes result(0); xcb_get_property_cookie_t get_cookie = xcb_get_property_unchecked(xcb_connection(), 0, m_window, atom(QXcbAtom::_NET_WM_WINDOW_TYPE), XCB_ATOM_ATOM, 0, 1024); xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), get_cookie, NULL); if (reply && reply->format == 32 && reply->type == XCB_ATOM_ATOM) { const xcb_atom_t *types = static_cast(xcb_get_property_value(reply)); const xcb_atom_t *types_end = types + reply->length; for (; types != types_end; types++) { QXcbAtom::Atom type = connection()->qatom(*types); switch (type) { case QXcbAtom::_NET_WM_WINDOW_TYPE_NORMAL: result |= QXcbWindowFunctions::Normal; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_DESKTOP: result |= QXcbWindowFunctions::Desktop; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_DOCK: result |= QXcbWindowFunctions::Dock; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLBAR: result |= QXcbWindowFunctions::Toolbar; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_MENU: result |= QXcbWindowFunctions::Menu; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_UTILITY: result |= QXcbWindowFunctions::Utility; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_SPLASH: result |= QXcbWindowFunctions::Splash; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_DIALOG: result |= QXcbWindowFunctions::Dialog; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_DROPDOWN_MENU: result |= QXcbWindowFunctions::DropDownMenu; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_POPUP_MENU: result |= QXcbWindowFunctions::PopupMenu; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLTIP: result |= QXcbWindowFunctions::Tooltip; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_NOTIFICATION: result |= QXcbWindowFunctions::Notification; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_COMBO: result |= QXcbWindowFunctions::Combo; break; case QXcbAtom::_NET_WM_WINDOW_TYPE_DND: result |= QXcbWindowFunctions::Dnd; break; case QXcbAtom::_KDE_NET_WM_WINDOW_TYPE_OVERRIDE: result |= QXcbWindowFunctions::KdeOverride; break; default: break; } } free(reply); } return result; } void QXcbWindow::setWmWindowType(QXcbWindowFunctions::WmWindowTypes types) { QVector atoms; if (types & QXcbWindowFunctions::Normal) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_NORMAL)); if (types & QXcbWindowFunctions::Desktop) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DESKTOP)); if (types & QXcbWindowFunctions::Dock) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DOCK)); if (types & QXcbWindowFunctions::Toolbar) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLBAR)); if (types & QXcbWindowFunctions::Menu) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_MENU)); if (types & QXcbWindowFunctions::Utility) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_UTILITY)); if (types & QXcbWindowFunctions::Splash) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_SPLASH)); if (types & QXcbWindowFunctions::Dialog) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DIALOG)); if (types & QXcbWindowFunctions::DropDownMenu) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DROPDOWN_MENU)); if (types & QXcbWindowFunctions::PopupMenu) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_POPUP_MENU)); if (types & QXcbWindowFunctions::Tooltip) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLTIP)); if (types & QXcbWindowFunctions::Notification) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_NOTIFICATION)); if (types & QXcbWindowFunctions::Combo) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_COMBO)); if (types & QXcbWindowFunctions::Dnd) atoms.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DND)); if (types & QXcbWindowFunctions::KdeOverride) atoms.append(atom(QXcbAtom::_KDE_NET_WM_WINDOW_TYPE_OVERRIDE)); if (atoms.isEmpty()) { Q_XCB_CALL(xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_WINDOW_TYPE))); } else { Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_WINDOW_TYPE), XCB_ATOM_ATOM, 32, atoms.count(), atoms.constData())); } xcb_flush(xcb_connection()); } class ExposeCompressor { public: ExposeCompressor(xcb_window_t window, QRegion *region, int devicePixelRatio) : m_window(window) , m_region(region) , m_dpr(devicePixelRatio) , m_pending(true) { } bool checkEvent(xcb_generic_event_t *event) { if (!event) return false; if ((event->response_type & ~0x80) != XCB_EXPOSE) return false; xcb_expose_event_t *expose = (xcb_expose_event_t *)event; if (expose->window != m_window) return false; if (expose->count == 0) m_pending = false; *m_region |= mapExposeFromNative(QRect(expose->x, expose->y, expose->width, expose->height), m_dpr); return true; } bool pending() const { return m_pending; } private: xcb_window_t m_window; QRegion *m_region; int m_dpr; bool m_pending; }; bool QXcbWindow::handleGenericEvent(xcb_generic_event_t *event, long *result) { return QWindowSystemInterface::handleNativeEvent(window(), connection()->nativeInterface()->genericEventFilterType(), event, result); } void QXcbWindow::handleExposeEvent(const xcb_expose_event_t *event) { const int dpr = int(devicePixelRatio()); QRect x_rect(event->x, event->y, event->width, event->height); QRect rect = mapExposeFromNative(x_rect, dpr); if (m_exposeRegion.isEmpty()) m_exposeRegion = rect; else m_exposeRegion |= rect; ExposeCompressor compressor(m_window, &m_exposeRegion, dpr); xcb_generic_event_t *filter = 0; do { filter = connection()->checkEvent(compressor); free(filter); } while (filter); // if count is non-zero there are more expose events pending if (event->count == 0 || !compressor.pending()) { QWindowSystemInterface::handleExposeEvent(window(), m_exposeRegion); m_exposeRegion = QRegion(); } } void QXcbWindow::handleClientMessageEvent(const xcb_client_message_event_t *event) { if (event->format != 32) return; if (event->type == atom(QXcbAtom::WM_PROTOCOLS)) { if (event->data.data32[0] == atom(QXcbAtom::WM_DELETE_WINDOW)) { QWindowSystemInterface::handleCloseEvent(window()); } else if (event->data.data32[0] == atom(QXcbAtom::WM_TAKE_FOCUS)) { connection()->setTime(event->data.data32[1]); relayFocusToModalWindow(); return; } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_PING)) { if (event->window == xcbScreen()->root()) return; xcb_client_message_event_t reply = *event; reply.response_type = XCB_CLIENT_MESSAGE; reply.window = xcbScreen()->root(); xcb_send_event(xcb_connection(), 0, xcbScreen()->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&reply); xcb_flush(xcb_connection()); } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_SYNC_REQUEST)) { connection()->setTime(event->data.data32[1]); m_syncValue.lo = event->data.data32[2]; m_syncValue.hi = event->data.data32[3]; if (m_usingSyncProtocol) m_syncState = SyncReceived; #ifndef QT_NO_WHATSTHIS } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_CONTEXT_HELP)) { QWindowSystemInterface::handleEnterWhatsThisEvent(); #endif } else { qWarning() << "QXcbWindow: Unhandled WM_PROTOCOLS message:" << connection()->atomName(event->data.data32[0]); } #ifndef QT_NO_DRAGANDDROP } else if (event->type == atom(QXcbAtom::XdndEnter)) { connection()->drag()->handleEnter(window(), event); } else if (event->type == atom(QXcbAtom::XdndPosition)) { connection()->drag()->handlePosition(window(), event); } else if (event->type == atom(QXcbAtom::XdndLeave)) { connection()->drag()->handleLeave(window(), event); } else if (event->type == atom(QXcbAtom::XdndDrop)) { connection()->drag()->handleDrop(window(), event); #endif } else if (event->type == atom(QXcbAtom::_XEMBED)) { handleXEmbedMessage(event); } else if (event->type == atom(QXcbAtom::_NET_ACTIVE_WINDOW)) { doFocusIn(); } else if (event->type == atom(QXcbAtom::MANAGER) || event->type == atom(QXcbAtom::_NET_WM_STATE) || event->type == atom(QXcbAtom::WM_CHANGE_STATE)) { // Ignore _NET_WM_STATE, MANAGER which are relate to tray icons // and other messages. } else if (event->type == atom(QXcbAtom::_COMPIZ_DECOR_PENDING) || event->type == atom(QXcbAtom::_COMPIZ_DECOR_REQUEST) || event->type == atom(QXcbAtom::_COMPIZ_DECOR_DELETE_PIXMAP)) { //silence the _COMPIZ messages for now } else { qWarning() << "QXcbWindow: Unhandled client message:" << connection()->atomName(event->type); } } // Temporary workaround for bug in QPlatformScreen::screenForGeometry // we need the native geometries to detect our screen, but that's not // available in cross-platform code. Will be fixed properly when highDPI // support is refactored to expose the native coordinate system. QXcbScreen *QXcbWindow::screenForNativeGeometry(const QRect &newGeometry) const { QXcbScreen *currentScreen = xcbScreen(); if (!currentScreen && QGuiApplication::primaryScreen()) currentScreen = static_cast(QGuiApplication::primaryScreen()->handle()); if (currentScreen && !parent() && !currentScreen->nativeGeometry().intersects(newGeometry)) { Q_FOREACH (QPlatformScreen* screen, currentScreen->virtualSiblings()) { QXcbScreen *xcbScreen = static_cast(screen); if (xcbScreen->nativeGeometry().intersects(newGeometry)) return xcbScreen; } } return currentScreen; } void QXcbWindow::handleConfigureNotifyEvent(const xcb_configure_notify_event_t *event) { bool fromSendEvent = (event->response_type & 0x80); QPoint pos(event->x, event->y); if (!parent() && !fromSendEvent && xcbScreen()) { // Do not trust the position, query it instead. xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates(xcb_connection(), xcb_window(), xcbScreen()->root(), 0, 0); xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply(xcb_connection(), cookie, NULL); if (reply) { pos.setX(reply->dst_x); pos.setY(reply->dst_y); free(reply); } } const QRect nativeRect = QRect(pos, QSize(event->width, event->height)); QXcbScreen *newScreen = parent() ? parentScreen() : screenForNativeGeometry(nativeRect); QXcbScreen *currentScreen = m_xcbScreen; m_xcbScreen = newScreen; if (!newScreen) return; const QRect rect = mapFromNative(nativeRect, newScreen); QPlatformWindow::setGeometry(rect); QWindowSystemInterface::handleGeometryChange(window(), rect); if (newScreen != currentScreen) QWindowSystemInterface::handleWindowScreenChanged(window(), newScreen->QPlatformScreen::screen()); m_configureNotifyPending = false; if (m_deferredExpose) { m_deferredExpose = false; QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size())); } if (m_usingSyncProtocol && m_syncState == SyncReceived) m_syncState = SyncAndConfigureReceived; m_dirtyFrameMargins = true; } bool QXcbWindow::isExposed() const { return m_mapped; } bool QXcbWindow::isEmbedded(const QPlatformWindow *parentWindow) const { if (!m_embedded) return false; return parentWindow ? (parentWindow == parent()) : true; } QPoint QXcbWindow::mapToGlobal(const QPoint &pos) const { if (!m_embedded) return pos; const int dpr = int(devicePixelRatio()); QPoint ret; xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates(xcb_connection(), xcb_window(), xcbScreen()->root(), pos.x() * dpr, pos.y() * dpr); xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply(xcb_connection(), cookie, NULL); if (reply) { ret.setX(reply->dst_x); ret.setY(reply->dst_y); free(reply); } return mapFromNative(ret, xcbScreen()); } QPoint QXcbWindow::mapFromGlobal(const QPoint &pos) const { if (!m_embedded) return pos; const int dpr = int(devicePixelRatio()); QPoint ret; QPoint xPos = mapToNative(pos, xcbScreen()); xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates(xcb_connection(), xcbScreen()->root(), xcb_window(), xPos.x(), xPos.y()); xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply(xcb_connection(), cookie, NULL); if (reply) { ret.setX(reply->dst_x / dpr); ret.setY(reply->dst_y / dpr); free(reply); } return ret; } void QXcbWindow::handleMapNotifyEvent(const xcb_map_notify_event_t *event) { if (event->window == m_window) { m_mapped = true; if (m_deferredActivation) requestActivateWindow(); if (m_configureNotifyPending) m_deferredExpose = true; else QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size() * int(devicePixelRatio()))); } } void QXcbWindow::handleUnmapNotifyEvent(const xcb_unmap_notify_event_t *event) { if (event->window == m_window) { m_mapped = false; QWindowSystemInterface::handleExposeEvent(window(), QRegion()); } } void QXcbWindow::handleButtonPressEvent(int event_x, int event_y, int root_x, int root_y, int detail, Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp) { const bool isWheel = detail >= 4 && detail <= 7; if (!isWheel && window() != QGuiApplication::focusWindow()) { QWindow *w = static_cast(QObjectPrivate::get(window()))->eventReceiver(); if (!(w->flags() & Qt::WindowDoesNotAcceptFocus)) w->requestActivate(); } updateNetWmUserTime(timestamp); if (m_embedded) { if (window() != QGuiApplication::focusWindow()) { const QXcbWindow *container = static_cast(parent()); Q_ASSERT(container != 0); sendXEmbedMessage(container->xcb_window(), XEMBED_REQUEST_FOCUS); } } const int dpr = int(devicePixelRatio()); QPoint local(event_x / dpr, event_y / dpr); QPoint global = xcbScreen()->mapFromNative(QPoint(root_x, root_y)); if (isWheel) { if (!connection()->isAtLeastXI21()) { // Logic borrowed from qapplication_x11.cpp int delta = 120 * ((detail == 4 || detail == 6) ? 1 : -1); bool hor = (((detail == 4 || detail == 5) && (modifiers & Qt::AltModifier)) || (detail == 6 || detail == 7)); QWindowSystemInterface::handleWheelEvent(window(), timestamp, local, global, delta, hor ? Qt::Horizontal : Qt::Vertical, modifiers); } return; } handleMouseEvent(timestamp, local, global, modifiers); } void QXcbWindow::handleButtonReleaseEvent(int event_x, int event_y, int root_x, int root_y, int detail, Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp) { const int dpr = int(devicePixelRatio()); QPoint local(event_x / dpr, event_y / dpr); QPoint global = xcbScreen()->mapFromNative(QPoint(root_x, root_y)); if (detail >= 4 && detail <= 7) { // mouse wheel, handled in handleButtonPressEvent() return; } handleMouseEvent(timestamp, local, global, modifiers); } void QXcbWindow::handleMotionNotifyEvent(int event_x, int event_y, int root_x, int root_y, Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp) { if (!xcbScreen()) return; const int dpr = int(devicePixelRatio()); QPoint local(event_x / dpr, event_y / dpr); QPoint global = xcbScreen()->mapFromNative(QPoint(root_x, root_y)); handleMouseEvent(timestamp, local, global, modifiers); } // Handlers for plain xcb events. Used only when XI 2.2 or newer is not available. void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event) { Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); handleButtonPressEvent(event->event_x, event->event_y, event->root_x, event->root_y, event->detail, modifiers, event->time); } void QXcbWindow::handleButtonReleaseEvent(const xcb_button_release_event_t *event) { Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); handleButtonReleaseEvent(event->event_x, event->event_y, event->root_x, event->root_y, event->detail, modifiers, event->time); } void QXcbWindow::handleMotionNotifyEvent(const xcb_motion_notify_event_t *event) { Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); handleMotionNotifyEvent(event->event_x, event->event_y, event->root_x, event->root_y, modifiers, event->time); } #ifdef XCB_USE_XINPUT22 static inline int fixed1616ToInt(FP1616 val) { return int((qreal(val >> 16)) + (val & 0xFFFF) / (qreal)0xFFFF); } #endif // With XI 2.2+ press/release/motion comes here instead of the above handlers. void QXcbWindow::handleXIMouseEvent(xcb_ge_event_t *event) { #ifdef XCB_USE_XINPUT22 QXcbConnection *conn = connection(); xXIDeviceEvent *ev = reinterpret_cast(event); const Qt::KeyboardModifiers modifiers = conn->keyboard()->translateModifiers(ev->mods.effective_mods); const int event_x = fixed1616ToInt(ev->event_x); const int event_y = fixed1616ToInt(ev->event_y); const int root_x = fixed1616ToInt(ev->root_x); const int root_y = fixed1616ToInt(ev->root_y); conn->keyboard()->updateXKBStateFromXI(&ev->mods, &ev->group); const Qt::MouseButton button = conn->xiToQtMouseButton(ev->detail); if (ev->buttons_len > 0) { unsigned char *buttonMask = (unsigned char *) &ev[1]; for (int i = 1; i <= 15; ++i) conn->setButton(conn->translateMouseButton(i), XIMaskIsSet(buttonMask, i)); } switch (ev->evtype) { case XI_ButtonPress: qCDebug(lcQpaXInput, "XI2 mouse press, button %d", button); conn->setButton(button, true); handleButtonPressEvent(event_x, event_y, root_x, root_y, ev->detail, modifiers, ev->time); break; case XI_ButtonRelease: qCDebug(lcQpaXInput, "XI2 mouse release, button %d", button); conn->setButton(button, false); handleButtonReleaseEvent(event_x, event_y, root_x, root_y, ev->detail, modifiers, ev->time); break; case XI_Motion: qCDebug(lcQpaXInput, "XI2 mouse motion %d,%d", event_x, event_y); handleMotionNotifyEvent(event_x, event_y, root_x, root_y, modifiers, ev->time); break; default: qWarning() << "Unrecognized XI2 mouse event" << ev->evtype; break; } #else Q_UNUSED(event); Q_ASSERT(false); // this can't be #endif } QXcbWindow *QXcbWindow::toWindow() { return this; } void QXcbWindow::handleMouseEvent(xcb_timestamp_t time, const QPoint &local, const QPoint &global, Qt::KeyboardModifiers modifiers) { connection()->setTime(time); QWindowSystemInterface::handleMouseEvent(window(), time, local, global, connection()->buttons(), modifiers); } static bool ignoreLeaveEvent(const xcb_leave_notify_event_t *event) { return event->detail == XCB_NOTIFY_DETAIL_VIRTUAL || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL; } static bool ignoreEnterEvent(const xcb_enter_notify_event_t *event) { return ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB) || event->detail == XCB_NOTIFY_DETAIL_VIRTUAL || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL); } class EnterEventChecker { public: bool checkEvent(xcb_generic_event_t *event) { if (!event) return false; if ((event->response_type & ~0x80) != XCB_ENTER_NOTIFY) return false; xcb_enter_notify_event_t *enter = (xcb_enter_notify_event_t *)event; if (ignoreEnterEvent(enter)) return false; return true; } }; void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *event) { connection()->setTime(event->time); #ifdef XCB_USE_XINPUT2 connection()->handleEnterEvent(event); #endif if (ignoreEnterEvent(event)) return; const int dpr = int(devicePixelRatio()); const QPoint local(event->event_x/dpr, event->event_y/dpr); if (!xcbScreen()) return; QPoint global = xcbScreen()->mapFromNative(QPoint(event->root_x, event->root_y)); QWindowSystemInterface::handleEnterEvent(window(), local, global); } void QXcbWindow::handleLeaveNotifyEvent(const xcb_leave_notify_event_t *event) { connection()->setTime(event->time); if (ignoreLeaveEvent(event)) return; EnterEventChecker checker; xcb_enter_notify_event_t *enter = (xcb_enter_notify_event_t *)connection()->checkEvent(checker); QXcbWindow *enterWindow = enter ? connection()->platformWindowFromId(enter->event) : 0; if (enterWindow) { const int dpr = int(devicePixelRatio()); QPoint local(enter->event_x/dpr, enter->event_y/dpr); if (!xcbScreen()) return; QPoint global = xcbScreen()->mapFromNative(QPoint(event->root_x, event->root_y)); QWindowSystemInterface::handleEnterLeaveEvent(enterWindow->window(), window(), local, global); } else { QWindowSystemInterface::handleLeaveEvent(window()); } free(enter); } void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *event) { connection()->setTime(event->time); const bool propertyDeleted = event->state == XCB_PROPERTY_DELETE; if (!xcbScreen()) return; if (event->atom == atom(QXcbAtom::_NET_WM_STATE) || event->atom == atom(QXcbAtom::WM_STATE)) { if (propertyDeleted) return; Qt::WindowState newState = Qt::WindowNoState; if (event->atom == atom(QXcbAtom::WM_STATE)) { // WM_STATE: Quick check for 'Minimize'. const xcb_get_property_cookie_t get_cookie = xcb_get_property(xcb_connection(), 0, m_window, atom(QXcbAtom::WM_STATE), XCB_ATOM_ANY, 0, 1024); xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), get_cookie, NULL); if (reply && reply->format == 32 && reply->type == atom(QXcbAtom::WM_STATE)) { const quint32 *data = (const quint32 *)xcb_get_property_value(reply); if (reply->length != 0 && XCB_WM_STATE_ICONIC == data[0]) newState = Qt::WindowMinimized; } free(reply); } else { // _NET_WM_STATE can't change minimized state if (m_lastWindowStateEvent == Qt::WindowMinimized) newState = Qt::WindowMinimized; } if (newState != Qt::WindowMinimized) { // Something else changed, get _NET_WM_STATE. const NetWmStates states = netWmStates(); if (states & NetWmStateFullScreen) newState = Qt::WindowFullScreen; else if ((states & NetWmStateMaximizedHorz) && (states & NetWmStateMaximizedVert)) newState = Qt::WindowMaximized; } // Send Window state, compress events in case other flags (modality, etc) are changed. if (m_lastWindowStateEvent != newState) { QWindowSystemInterface::handleWindowStateChanged(window(), newState); m_lastWindowStateEvent = newState; m_windowState = newState; } return; } else if (event->atom == atom(QXcbAtom::_NET_WORKAREA) && xcbScreen() && event->window == xcbScreen()->root()) { xcbScreen()->updateGeometry(event->time); } } void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *) { doFocusIn(); } void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *) { doFocusOut(); } void QXcbWindow::updateSyncRequestCounter() { if (m_syncState != SyncAndConfigureReceived) { // window manager does not expect a sync event yet. return; } if (m_usingSyncProtocol && (m_syncValue.lo != 0 || m_syncValue.hi != 0)) { Q_XCB_CALL(xcb_sync_set_counter(xcb_connection(), m_syncCounter, m_syncValue)); xcb_flush(xcb_connection()); m_syncValue.lo = 0; m_syncValue.hi = 0; m_syncState = NoSyncNeeded; } } bool QXcbWindow::setKeyboardGrabEnabled(bool grab) { if (grab && !connection()->canGrab()) return false; if (!grab) { xcb_ungrab_keyboard(xcb_connection(), XCB_TIME_CURRENT_TIME); return true; } xcb_grab_keyboard_cookie_t cookie = xcb_grab_keyboard(xcb_connection(), false, m_window, XCB_TIME_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC); xcb_grab_keyboard_reply_t *reply = xcb_grab_keyboard_reply(xcb_connection(), cookie, NULL); bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS); free(reply); return result; } bool QXcbWindow::setMouseGrabEnabled(bool grab) { #ifdef XCB_USE_XINPUT22 if (connection()->xi2MouseEvents()) return connection()->xi2SetMouseGrabEnabled(m_window, grab); #endif if (grab && !connection()->canGrab()) return false; if (!grab) { xcb_ungrab_pointer(xcb_connection(), XCB_TIME_CURRENT_TIME); return true; } xcb_grab_pointer_cookie_t cookie = xcb_grab_pointer(xcb_connection(), false, m_window, (XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_BUTTON_MOTION | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_POINTER_MOTION), XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_TIME_CURRENT_TIME); xcb_grab_pointer_reply_t *reply = xcb_grab_pointer_reply(xcb_connection(), cookie, NULL); bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS); free(reply); return result; } void QXcbWindow::setCursor(xcb_cursor_t cursor) { xcb_change_window_attributes(xcb_connection(), m_window, XCB_CW_CURSOR, &cursor); xcb_flush(xcb_connection()); } void QXcbWindow::windowEvent(QEvent *event) { switch (event->type()) { case QEvent::FocusIn: if (m_embedded && !event->spontaneous()) { QFocusEvent *focusEvent = static_cast(event); switch (focusEvent->reason()) { case Qt::TabFocusReason: case Qt::BacktabFocusReason: { const QXcbWindow *container = static_cast(parent()); sendXEmbedMessage(container->xcb_window(), focusEvent->reason() == Qt::TabFocusReason ? XEMBED_FOCUS_NEXT : XEMBED_FOCUS_PREV); event->accept(); } break; default: break; } } break; default: break; } QPlatformWindow::windowEvent(event); } bool QXcbWindow::startSystemResize(const QPoint &pos, Qt::Corner corner) { const xcb_atom_t moveResize = connection()->atom(QXcbAtom::_NET_WM_MOVERESIZE); if (!connection()->wmSupport()->isSupportedByWM(moveResize)) return false; xcb_client_message_event_t xev; xev.response_type = XCB_CLIENT_MESSAGE; xev.type = moveResize; xev.window = xcb_window(); xev.format = 32; const QPoint globalPos = mapToNative(window()->mapToGlobal(pos), xcbScreen()); xev.data.data32[0] = globalPos.x(); xev.data.data32[1] = globalPos.y(); const bool bottom = corner == Qt::BottomRightCorner || corner == Qt::BottomLeftCorner; const bool left = corner == Qt::BottomLeftCorner || corner == Qt::TopLeftCorner; if (bottom) xev.data.data32[2] = left ? 6 : 4; // bottomleft/bottomright else xev.data.data32[2] = left ? 0 : 2; // topleft/topright xev.data.data32[3] = XCB_BUTTON_INDEX_1; xev.data.data32[4] = 0; xcb_ungrab_pointer(connection()->xcb_connection(), XCB_CURRENT_TIME); xcb_send_event(connection()->xcb_connection(), false, xcbScreen()->root(), XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY, (const char *)&xev); return true; } // Sends an XEmbed message. void QXcbWindow::sendXEmbedMessage(xcb_window_t window, quint32 message, quint32 detail, quint32 data1, quint32 data2) { xcb_client_message_event_t event; event.response_type = XCB_CLIENT_MESSAGE; event.format = 32; event.window = window; event.type = atom(QXcbAtom::_XEMBED); event.data.data32[0] = connection()->time(); event.data.data32[1] = message; event.data.data32[2] = detail; event.data.data32[3] = data1; event.data.data32[4] = data2; Q_XCB_CALL(xcb_send_event(xcb_connection(), false, window, XCB_EVENT_MASK_NO_EVENT, (const char *)&event)); } static bool activeWindowChangeQueued(const QWindow *window) { /* Check from window system event queue if the next queued activation * targets a window other than @window. */ QWindowSystemInterfacePrivate::ActivatedWindowEvent *systemEvent = static_cast (QWindowSystemInterfacePrivate::peekWindowSystemEvent(QWindowSystemInterfacePrivate::ActivatedWindow)); return systemEvent && systemEvent->activated != window; } void QXcbWindow::handleXEmbedMessage(const xcb_client_message_event_t *event) { connection()->setTime(event->data.data32[0]); switch (event->data.data32[1]) { case XEMBED_WINDOW_ACTIVATE: case XEMBED_WINDOW_DEACTIVATE: break; case XEMBED_EMBEDDED_NOTIFY: Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window)); xcbScreen()->windowShown(this); // Without Qt::WA_TranslucentBackground, we use a ParentRelative BackPixmap. // Clear the whole tray icon window to its background color as early as possible // so that we can get a clean result from grabWindow() later. Q_XCB_CALL(xcb_clear_area(xcb_connection(), false, m_window, 0, 0, geometry().width(), geometry().height())); xcb_flush(xcb_connection()); break; case XEMBED_FOCUS_IN: Qt::FocusReason reason; switch (event->data.data32[2]) { case XEMBED_FOCUS_FIRST: reason = Qt::TabFocusReason; break; case XEMBED_FOCUS_LAST: reason = Qt::BacktabFocusReason; break; case XEMBED_FOCUS_CURRENT: default: reason = Qt::OtherFocusReason; break; } connection()->setFocusWindow(static_cast(window()->handle())); QWindowSystemInterface::handleWindowActivated(window(), reason); break; case XEMBED_FOCUS_OUT: if (window() == QGuiApplication::focusWindow() && !activeWindowChangeQueued(window())) { connection()->setFocusWindow(0); QWindowSystemInterface::handleWindowActivated(0); } break; } } static inline xcb_rectangle_t qRectToXCBRectangle(const QRect &r) { xcb_rectangle_t result; result.x = qMax(SHRT_MIN, r.x()); result.y = qMax(SHRT_MIN, r.y()); result.width = qMin((int)USHRT_MAX, r.width()); result.height = qMin((int)USHRT_MAX, r.height()); return result; } void QXcbWindow::setOpacity(qreal level) { if (!m_window) return; quint32 value = qRound64(qBound(qreal(0), level, qreal(1)) * 0xffffffff); Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_WINDOW_OPACITY), XCB_ATOM_CARDINAL, 32, 1, (uchar *)&value)); } void QXcbWindow::setMask(const QRegion ®ion) { if (!connection()->hasXShape()) return; if (region.isEmpty()) { xcb_shape_mask(connection()->xcb_connection(), XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, xcb_window(), 0, 0, XCB_NONE); } else { const int dpr = devicePixelRatio(); QVector rects; foreach (const QRect &r, region.rects()) rects.push_back(qRectToXCBRectangle(mapLocalGeometryToNative(r, dpr))); xcb_shape_rectangles(connection()->xcb_connection(), XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, XCB_CLIP_ORDERING_UNSORTED, xcb_window(), 0, 0, rects.size(), &rects[0]); } } void QXcbWindow::setAlertState(bool enabled) { if (m_alertState == enabled) return; m_alertState = enabled; changeNetWmState(enabled, atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION)); } uint QXcbWindow::visualId() const { return m_visualId; } bool QXcbWindow::needsSync() const { return m_syncState == SyncAndConfigureReceived; } void QXcbWindow::postSyncWindowRequest() { if (!xcbScreen()) return; if (!m_pendingSyncRequest) { QXcbSyncWindowRequest *e = new QXcbSyncWindowRequest(this); m_pendingSyncRequest = e; QCoreApplication::postEvent(xcbScreen()->connection(), e); } } qreal QXcbWindow::devicePixelRatio() const { return xcbScreen() ? xcbScreen()->devicePixelRatio() : 1.0; } QXcbScreen *QXcbWindow::xcbScreen() const { return static_cast(screen()); } QT_END_NAMESPACE