/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/ ** ** This file is part of the plugins of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** GNU Lesser General Public License Usage ** 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. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU General ** Public License version 3.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of this ** file. Please review the following information to ensure the GNU General ** Public License version 3.0 requirements will be met: ** http://www.gnu.org/copyleft/gpl.html. ** ** Other Usage ** Alternatively, this file may be used in accordance with the terms and ** conditions contained in a signed written agreement between you and Nokia. ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qxcbwindow.h" #include #include #include #include "qxcbconnection.h" #include "qxcbscreen.h" #include "qxcbdrag.h" #include "qxcbkeyboard.h" #include "qxcbwmsupport.h" #include "qxcbimage.h" #include #ifdef XCB_USE_DRI2 #include "qdri2context.h" #endif // FIXME This workaround can be removed for xcb-icccm > 3.8 #define class class_name #include #undef class #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 #ifdef XCB_USE_XLIB #include #include #endif #ifdef XCB_USE_XINPUT2_MAEMO #include #endif #if defined(XCB_USE_GLX) #include "qglxintegration.h" #include #elif defined(XCB_USE_EGL) #include "qxcbeglsurface.h" #include #include #endif #define XCOORD_MAX 16383 //#ifdef NET_WM_STATE_DEBUG QT_BEGIN_NAMESPACE // Returns true if we should set WM_TRANSIENT_FOR on \a w static inline bool isTransient(const QWindow *w) { return w->windowType() == Qt::Dialog || w->windowType() == Qt::Sheet || w->windowType() == Qt::Tool || w->windowType() == Qt::SplashScreen || w->windowType() == Qt::ToolTip || w->windowType() == Qt::Drawer || w->windowType() == Qt::Popup; } static inline QImage::Format imageFormatForDepth(int depth) { switch (depth) { case 32: return QImage::Format_ARGB32_Premultiplied; case 24: return QImage::Format_RGB32; case 16: return QImage::Format_RGB16; default: return QImage::Format_Invalid; } } static inline bool positionIncludesFrame(QWindow *w) { return qt_window_private(w)->positionPolicy == QWindowPrivate::WindowFrameInclusive; } QXcbWindow::QXcbWindow(QWindow *window) : QPlatformWindow(window) , m_window(0) , m_syncCounter(0) , m_gravity(XCB_GRAVITY_STATIC) , m_mapped(false) , m_transparent(false) , m_deferredActivation(false) , m_netWmUserTimeWindow(XCB_NONE) , m_dirtyFrameMargins(false) #if defined(XCB_USE_EGL) , m_eglSurface(0) #endif , m_lastWindowStateEvent(-1) { m_screen = static_cast(window->screen()->handle()); setConnection(m_screen->connection()); create(); } void QXcbWindow::create() { destroy(); m_deferredExpose = false; m_configureNotifyPending = true; m_windowState = Qt::WindowNoState; Qt::WindowType type = window()->windowType(); if (type == Qt::Desktop) { m_window = m_screen->root(); m_depth = m_screen->screen()->root_depth; m_imageFormat = imageFormatForDepth(m_depth); connection()->addWindow(m_window, this); return; } // Determine gravity from initial position. Do not change // later as it will cause the window to move uncontrollably. m_gravity = positionIncludesFrame(window()) ? XCB_GRAVITY_NORTH_WEST : XCB_GRAVITY_STATIC; 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, // XCB_CW_SAVE_UNDER type == Qt::Popup || type == Qt::Tool || type == Qt::SplashScreen || type == Qt::ToolTip || type == Qt::Drawer, // XCB_CW_EVENT_MASK XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_STRUCTURE_NOTIFY | 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 | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_FOCUS_CHANGE }; // 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. QRect rect = window()->geometry(); QPlatformWindow::setGeometry(rect); rect.setWidth(qBound(1, rect.width(), XCOORD_MAX)); rect.setHeight(qBound(1, rect.height(), XCOORD_MAX)); xcb_window_t xcb_parent_id = m_screen->root(); if (parent()) xcb_parent_id = static_cast(parent())->xcb_window(); m_format = window()->requestedFormat(); #if (defined(XCB_USE_GLX) || defined(XCB_USE_EGL)) && defined(XCB_USE_XLIB) if (QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL) || m_format.hasAlpha()) { #if defined(XCB_USE_GLX) XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen), m_screen->screenNumber(), &m_format); if (!visualInfo) qFatal("Could not initialize GLX"); #elif defined(XCB_USE_EGL) EGLDisplay eglDisplay = connection()->egl_display(); EGLConfig eglConfig = q_configFromGLFormat(eglDisplay, m_format, true); m_format = q_glFormatFromConfig(eglDisplay, eglConfig); VisualID id = QXlibEglIntegration::getCompatibleVisualId(DISPLAY_FROM_XCB(this), eglDisplay, eglConfig); XVisualInfo visualInfoTemplate; memset(&visualInfoTemplate, 0, sizeof(XVisualInfo)); visualInfoTemplate.visualid = id; XVisualInfo *visualInfo; int matchingCount = 0; visualInfo = XGetVisualInfo(DISPLAY_FROM_XCB(this), VisualIDMask, &visualInfoTemplate, &matchingCount); if (!visualInfo) qFatal("Could not initialize EGL"); #endif //XCB_USE_GLX m_depth = visualInfo->depth; m_imageFormat = imageFormatForDepth(m_depth); Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), xcb_parent_id, visualInfo->visual, AllocNone); XSetWindowAttributes a; a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber()); a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber()); a.colormap = cmap; m_visualId = visualInfo->visualid; m_window = XCreateWindow(DISPLAY_FROM_XCB(this), xcb_parent_id, rect.x(), rect.y(), rect.width(), rect.height(), 0, visualInfo->depth, InputOutput, visualInfo->visual, CWBackPixel|CWBorderPixel|CWColormap, &a); XFree(visualInfo); } else #endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL) { m_window = xcb_generate_id(xcb_connection()); m_depth = m_screen->screen()->root_depth; m_imageFormat = imageFormatForDepth(m_depth); m_visualId = m_screen->screen()->root_visual; Q_XCB_CALL(xcb_create_window(xcb_connection(), XCB_COPY_FROM_PARENT, // depth -- same as root m_window, // window id xcb_parent_id, // parent window id rect.x(), rect.y(), rect.width(), rect.height(), 0, // border width XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class m_visualId, // visual 0, // value mask 0)); // value list } connection()->addWindow(m_window, this); Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values)); propagateSizeHints(); xcb_atom_t properties[4]; 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 (m_screen->syncRequestSupported()) properties[propertyCount++] = atom(QXcbAtom::_NET_WM_SYNC_REQUEST); if (window()->windowFlags() & 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; if (m_screen->syncRequestSupported()) { 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 long 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()->windowFlags() & Qt::WindowDoesNotAcceptFocus)); xcb_set_wm_hints(xcb_connection(), m_window, &hints); xcb_window_t leader = m_screen->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)); #ifdef XCB_USE_XINPUT2_MAEMO if (connection()->isUsingXInput2()) { XIEventMask xieventmask; uchar bitmask[2] = { 0, 0 }; xieventmask.deviceid = XIAllMasterDevices; xieventmask.mask = bitmask; xieventmask.mask_len = sizeof(bitmask); XISetMask(bitmask, XI_ButtonPress); XISetMask(bitmask, XI_ButtonRelease); XISetMask(bitmask, XI_Motion); XISelectEvents(DISPLAY_FROM_XCB(this), m_window, &xieventmask, 1); } #endif setWindowFlags(window()->windowFlags()); setWindowTitle(window()->windowTitle()); setWindowState(window()->windowState()); if (window()->windowFlags() & Qt::WindowTransparentForInput) setTransparentForMouseEvents(true); #ifndef QT_NO_DRAGANDDROP connection()->drag()->dndEnable(this, true); #endif } QXcbWindow::~QXcbWindow() { destroy(); } void QXcbWindow::destroy() { if (m_syncCounter && m_screen->syncRequestSupported()) 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()->removeWindow(m_window); Q_XCB_CALL(xcb_destroy_window(xcb_connection(), m_window)); } m_mapped = false; #if defined(XCB_USE_EGL) delete m_eglSurface; m_eglSurface = 0; #endif } void QXcbWindow::setGeometry(const QRect &rect) { QPlatformWindow::setGeometry(rect); propagateSizeHints(); const QRect wmGeometry = windowToWmGeometry(rect); 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) { 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()->windowFlags() & Qt::WindowDoesNotAcceptFocus)); xcb_set_wm_hints(xcb_connection(), m_window, &hints); // update WM_NORMAL_HINTS propagateSizeHints(); // update WM_TRANSIENT_FOR if (window()->transientParent() && isTransient(window())) { QXcbWindow *transientXcbParent = static_cast(window()->transientParent()->handle()); if (transientXcbParent) { // ICCCM 4.1.2.6 xcb_window_t parentWindow = transientXcbParent->xcb_window(); // todo: set transient for group (wm_client_leader) if no parent, a la qwidget_x11.cpp Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32, 1, &parentWindow)); } } // update _MOTIF_WM_HINTS updateMotifWmHintsBeforeMap(); // update _NET_WM_STATE updateNetWmStateBeforeMap(); } if (connection()->time() != XCB_TIME_CURRENT_TIME) updateNetWmUserTime(connection()->time()); Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window)); xcb_flush(xcb_connection()); 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 xcb_unmap_notify_event_t event; event.response_type = XCB_UNMAP_NOTIFY; event.event = m_screen->root(); event.window = m_window; event.from_configure = false; Q_XCB_CALL(xcb_send_event(xcb_connection(), false, m_screen->root(), XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event)); xcb_flush(xcb_connection()); m_mapped = false; } 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 != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_ABOVE))) result |= NetWmStateAbove; if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_BELOW))) result |= NetWmStateBelow; if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN))) result |= NetWmStateFullScreen; if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ))) result |= NetWmStateMaximizedHorz; if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT))) result |= NetWmStateMaximizedVert; if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MODAL))) result |= NetWmStateModal; if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP))) result |= NetWmStateStaysOnTop; if (statesEnd != qFind(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()); } Qt::WindowFlags 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; if (flags & Qt::WindowTransparentForInput) { uint32_t mask = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_VISIBILITY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_RESIZE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_FOCUS_CHANGE | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_COLOR_MAP_CHANGE | XCB_EVENT_MASK_OWNER_GRAB_BUTTON; xcb_change_window_attributes(xcb_connection(), xcb_window(), XCB_CW_EVENT_MASK, &mask); } setNetWmWindowFlags(flags); setMotifWindowFlags(flags); setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput); updateDoesNotAcceptFocus(flags & Qt::WindowDoesNotAcceptFocus); return flags; } 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; if (flags & Qt::WindowTitleHint) 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; Q_XCB_CALL(xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event)); } Qt::WindowState QXcbWindow::setWindowState(Qt::WindowState state) { if (state == m_windowState) return state; // 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, m_screen->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; return m_windowState; } 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()->windowModality() != Qt::NonModal) { switch (window()->windowModality()) { 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()->windowFlags() & Qt::WindowMinimizeButtonHint) { mwmhints.flags |= MWM_HINTS_DECORATIONS; mwmhints.decorations |= MWM_DECOR_MINIMIZE; mwmhints.functions |= MWM_FUNC_MINIMIZE; } if (window()->windowFlags() & Qt::WindowMaximizeButtonHint) { mwmhints.flags |= MWM_HINTS_DECORATIONS; mwmhints.decorations |= MWM_DECOR_MAXIMIZE; mwmhints.functions |= MWM_FUNC_MAXIMIZE; } if (window()->windowFlags() & Qt::WindowCloseButtonHint) mwmhints.functions |= MWM_FUNC_CLOSE; setMotifWmHints(connection(), m_window, mwmhints); } void QXcbWindow::updateNetWmStateBeforeMap() { NetWmStates states(0); const Qt::WindowFlags flags = window()->windowFlags(); 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()->windowModality() != Qt::NonModal) states |= NetWmStateModal; setNetWmStates(states); } void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp) { xcb_window_t wid = m_window; 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)); } 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 (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) { // re-create for compatibility create(); QPoint topLeft = geometry().topLeft(); xcb_window_t xcb_parent_id = parent ? static_cast(parent)->xcb_window() : m_screen->root(); Q_XCB_CALL(xcb_reparent_window(xcb_connection(), xcb_window(), xcb_parent_id, topLeft.x(), topLeft.y())); } void QXcbWindow::setWindowTitle(const QString &title) { QByteArray ba = title.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())); } 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 QRect rect = windowToWmGeometry(geometry()); QWindow *win = window(); xcb_size_hints_set_position(&hints, true, rect.x(), rect.y()); xcb_size_hints_set_size(&hints, true, rect.width(), rect.height()); xcb_size_hints_set_win_gravity(&hints, m_gravity); QSize minimumSize = win->minimumSize(); QSize maximumSize = win->maximumSize(); QSize baseSize = win->baseSize(); QSize sizeIncrement = win->sizeIncrement(); if (minimumSize.width() > 0 || minimumSize.height() > 0) xcb_size_hints_set_min_size(&hints, minimumSize.width(), 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() { if (!m_mapped) { m_deferredActivation = true; return; } m_deferredActivation = false; updateNetWmUserTime(connection()->time()); if (window()->isTopLevel() && 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, m_screen->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(); } #if XCB_USE_MAEMO_WINDOW_PROPERTIES void QXcbWindow::handleContentOrientationChange(Qt::ScreenOrientation orientation) { int angle = 0; switch (orientation) { case Qt::PortraitOrientation: angle = 270; break; case Qt::LandscapeOrientation: angle = 0; break; case Qt::InvertedPortraitOrientation: angle = 90; break; case Qt::InvertedLandscapeOrientation: angle = 180; break; case Qt::PrimaryOrientation: break; } Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::MeegoTouchOrientationAngle), XCB_ATOM_CARDINAL, 32, 1, &angle)); } #endif QSurfaceFormat QXcbWindow::format() const { // ### return actual format return m_format; } #if defined(XCB_USE_EGL) QXcbEGLSurface *QXcbWindow::eglSurface() const { if (!m_eglSurface) { EGLDisplay display = connection()->egl_display(); EGLConfig config = q_configFromGLFormat(display, window()->requestedFormat(), true); EGLSurface surface = eglCreateWindowSurface(display, config, (EGLNativeWindowType)m_window, 0); m_eglSurface = new QXcbEGLSurface(display, surface); } return m_eglSurface; } #endif void QXcbWindow::handleExposeEvent(const xcb_expose_event_t *event) { QRect rect(event->x, event->y, event->width, event->height); if (m_exposeRegion.isEmpty()) m_exposeRegion = rect; else m_exposeRegion |= rect; // if count is non-zero there are more expose events pending if (event->count == 0) { 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]); } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_PING)) { xcb_client_message_event_t reply = *event; reply.response_type = XCB_CLIENT_MESSAGE; reply.window = m_screen->root(); xcb_send_event(xcb_connection(), 0, m_screen->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]; } 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)) { // QSystemTrayIcon } else { qWarning() << "QXcbWindow: Unhandled client message:" << connection()->atomName(event->type); } } 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) { // Do not trust the position, query it instead. xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates(xcb_connection(), xcb_window(), m_screen->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); } } QRect rect(pos, QSize(event->width, event->height)); QPlatformWindow::setGeometry(rect); QWindowSystemInterface::handleGeometryChange(window(), rect); m_configureNotifyPending = false; if (m_deferredExpose) { m_deferredExpose = false; QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size())); } m_dirtyFrameMargins = true; #if XCB_USE_DRI2 if (m_context) static_cast(m_context)->resize(rect.size()); #endif } bool QXcbWindow::isExposed() const { return m_mapped; } 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())); } } void QXcbWindow::handleUnmapNotifyEvent(const xcb_unmap_notify_event_t *event) { if (event->window == m_window) { m_mapped = false; QWindowSystemInterface::handleExposeEvent(window(), QRegion()); } } static Qt::MouseButtons translateMouseButtons(int s) { Qt::MouseButtons ret = 0; if (s & XCB_BUTTON_MASK_1) ret |= Qt::LeftButton; if (s & XCB_BUTTON_MASK_2) ret |= Qt::MidButton; if (s & XCB_BUTTON_MASK_3) ret |= Qt::RightButton; return ret; } static Qt::MouseButton translateMouseButton(xcb_button_t s) { switch (s) { case 1: return Qt::LeftButton; case 2: return Qt::MidButton; case 3: return Qt::RightButton; // Button values 4-7 were already handled as Wheel events, and won't occur here. case 8: return Qt::BackButton; // Also known as Qt::ExtraButton1 case 9: return Qt::ForwardButton; // Also known as Qt::ExtraButton2 case 10: return Qt::ExtraButton3; case 11: return Qt::ExtraButton4; case 12: return Qt::ExtraButton5; case 13: return Qt::ExtraButton6; case 14: return Qt::ExtraButton7; case 15: return Qt::ExtraButton8; case 16: return Qt::ExtraButton9; case 17: return Qt::ExtraButton10; case 18: return Qt::ExtraButton11; case 19: return Qt::ExtraButton12; case 20: return Qt::ExtraButton13; case 21: return Qt::ExtraButton14; case 22: return Qt::ExtraButton15; case 23: return Qt::ExtraButton16; case 24: return Qt::ExtraButton17; case 25: return Qt::ExtraButton18; case 26: return Qt::ExtraButton19; case 27: return Qt::ExtraButton20; case 28: return Qt::ExtraButton21; case 29: return Qt::ExtraButton22; case 30: return Qt::ExtraButton23; case 31: return Qt::ExtraButton24; default: return Qt::NoButton; } } void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event) { updateNetWmUserTime(event->time); QPoint local(event->event_x, event->event_y); QPoint global(event->root_x, event->root_y); Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); if (event->detail >= 4 && event->detail <= 7) { // Logic borrowed from qapplication_x11.cpp int delta = 120 * ((event->detail == 4 || event->detail == 6) ? 1 : -1); bool hor = (((event->detail == 4 || event->detail == 5) && (modifiers & Qt::AltModifier)) || (event->detail == 6 || event->detail == 7)); QWindowSystemInterface::handleWheelEvent(window(), event->time, local, global, delta, hor ? Qt::Horizontal : Qt::Vertical, modifiers); return; } handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers); } void QXcbWindow::handleButtonReleaseEvent(const xcb_button_release_event_t *event) { QPoint local(event->event_x, event->event_y); QPoint global(event->root_x, event->root_y); Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers); } void QXcbWindow::handleMotionNotifyEvent(const xcb_motion_notify_event_t *event) { QPoint local(event->event_x, event->event_y); QPoint global(event->root_x, event->root_y); Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers); } void QXcbWindow::handleMouseEvent(xcb_button_t detail, uint16_t state, xcb_timestamp_t time, const QPoint &local, const QPoint &global, Qt::KeyboardModifiers modifiers) { connection()->setTime(time); Qt::MouseButtons buttons = translateMouseButtons(state); Qt::MouseButton button = translateMouseButton(detail); buttons ^= button; // X event uses state *before*, Qt uses state *after* QWindowSystemInterface::handleMouseEvent(window(), time, local, global, buttons, modifiers); } void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *event) { connection()->setTime(event->time); if ((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) { return; } QWindowSystemInterface::handleEnterEvent(window()); } void QXcbWindow::handleLeaveNotifyEvent(const xcb_leave_notify_event_t *event) { connection()->setTime(event->time); if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB) || event->detail == XCB_NOTIFY_DETAIL_INFERIOR) { return; } QWindowSystemInterface::handleLeaveEvent(window()); } void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *event) { connection()->setTime(event->time); const bool propertyDeleted = event->state == XCB_PROPERTY_DELETE; const xcb_atom_t netWmStateAtom = atom(QXcbAtom::_NET_WM_STATE); const xcb_atom_t wmStateAtom = atom(QXcbAtom::WM_STATE); if (event->atom == netWmStateAtom || event->atom == wmStateAtom) { if (propertyDeleted) return; Qt::WindowState newState = Qt::WindowNoState; if (event->atom == wmStateAtom) { // WM_STATE: Quick check for 'Minimize'. const xcb_get_property_cookie_t get_cookie = xcb_get_property(xcb_connection(), 0, m_window, wmStateAtom, 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 == wmStateAtom) { const long *data = (const long *)xcb_get_property_value(reply); if (reply->length != 0 && XCB_WM_STATE_ICONIC == data[0]) newState = Qt::WindowMinimized; free(reply); } } // WM_STATE: Quick check for 'Minimize'. if (newState != Qt::WindowMinimized) { // Something else changed, get _NET_WM_STATE. const NetWmStates states = netWmStates(); if ((states & NetWmStateMaximizedHorz) && (states & NetWmStateMaximizedVert)) newState = Qt::WindowMaximized; else if (states & NetWmStateFullScreen) newState = Qt::WindowFullScreen; } // Send Window state, compress events in case other flags (modality, etc) are changed. if (m_lastWindowStateEvent != newState) { QWindowSystemInterface::handleWindowStateChanged(window(), newState); m_lastWindowStateEvent = newState; } } } void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *) { QWindowSystemInterface::handleWindowActivated(window()); } static bool focusInPeeker(xcb_generic_event_t *event) { if (!event) { // FocusIn event is not in the queue, proceed with FocusOut normally. QWindowSystemInterface::handleWindowActivated(0); return true; } uint response_type = event->response_type & ~0x80; return response_type == XCB_FOCUS_IN; } void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *) { // 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); } void QXcbWindow::updateSyncRequestCounter() { if (m_screen->syncRequestSupported() && (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()); connection()->sync(); m_syncValue.lo = 0; m_syncValue.hi = 0; } } bool QXcbWindow::setKeyboardGrabEnabled(bool grab) { 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) { 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()); } QT_END_NAMESPACE