/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the plugins of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 "qxcbconnection.h" #include "qxcbscreen.h" #include "qxcbdrag.h" #include "qxcbwmsupport.h" #ifdef XCB_USE_DRI2 #include "qdri2context.h" #endif #include #include #include #include #include #include #ifdef XCB_USE_XLIB #include #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 // 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; } QXcbWindow::QXcbWindow(QWindow *window) : QPlatformWindow(window) , m_window(0) , m_syncCounter(0) , m_mapped(false) , m_netWmUserTimeWindow(XCB_NONE) #if defined(XCB_USE_EGL) , m_eglSurface(0) #endif { m_screen = static_cast(window->screen()->handle()); setConnection(m_screen->connection()); create(); } void QXcbWindow::create() { bool wasCreated = (m_window != 0); destroy(); m_windowState = Qt::WindowNoState; m_hasReceivedSyncRequest = false; m_dirtyFrameMargins = true; Qt::WindowType type = window()->windowType(); if (type == Qt::Desktop) { m_window = m_screen->root(); m_depth = m_screen->screen()->root_depth; m_imageFormat = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32; connection()->addWindow(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, // 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 }; QRect rect = window()->geometry(); QPlatformWindow::setGeometry(rect); xcb_window_t xcb_parent_id = m_screen->root(); if (parent()) xcb_parent_id = static_cast(parent())->xcb_window(); m_requestedFormat = window()->format(); #if defined(XCB_USE_GLX) || defined(XCB_USE_EGL) if (QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL) || window()->format().hasAlpha()) { #if defined(XCB_USE_GLX) XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen),m_screen->screenNumber(), window()->format()); #elif defined(XCB_USE_EGL) EGLDisplay eglDisplay = connection()->egl_display(); EGLConfig eglConfig = q_configFromGLFormat(eglDisplay, window()->format(), true); 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); #endif //XCB_USE_GLX if (visualInfo) { m_depth = visualInfo->depth; m_imageFormat = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32; 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_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); } else { qFatal("no window!"); } } 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 = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32; 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_screen->screen()->root_visual, // 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)); 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_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)); if (wasCreated) setWindowFlags(window()->windowFlags()); connection()->drag()->dndEnable(this, true); } 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) { 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); const quint32 mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT; const quint32 values[] = { rect.x(), rect.y(), qBound(1, rect.width(), XCOORD_MAX), qBound(1, rect.height(), XCOORD_MAX) }; Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values)); } 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(xcb_connection(), parent); xcb_generic_error_t *error; xcb_query_tree_reply_t *reply = xcb_query_tree_reply(xcb_connection(), cookie, &error); if (reply) { if (reply->root == reply->parent || virtualRoots.indexOf(reply->parent) != -1) { foundRoot = true; } else { window = parent; parent = reply->parent; } free(reply); } else { if (error) { connection()->handleXcbError(error); free(error); } m_dirtyFrameMargins = false; m_frameMargins = QMargins(); return m_frameMargins; } } QPoint offset; xcb_generic_error_t *error; xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply( xcb_connection(), xcb_translate_coordinates(xcb_connection(), window, parent, 0, 0), &error); if (reply) { offset = QPoint(reply->dst_x, reply->dst_y); free(reply); } else if (error) { free(error); } xcb_get_geometry_reply_t *geom = xcb_get_geometry_reply( xcb_connection(), xcb_get_geometry(xcb_connection(), parent), &error); 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); } else if (error) { free(error); } 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(xcb_connection(), m_window); xcb_generic_error_t *error; xcb_wm_hints_t hints; xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, &error); if (error) { connection()->handleXcbError(error); free(error); } m_dirtyFrameMargins = true; if (window()->windowState() & Qt::WindowMinimized) xcb_wm_hints_set_iconic(&hints); else xcb_wm_hints_set_normal(&hints); 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(); } 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(c->xcb_connection(), 0, window, c->atom(QXcbAtom::_MOTIF_WM_HINTS), c->atom(QXcbAtom::_MOTIF_WM_HINTS), 0, 20); xcb_generic_error_t *error; xcb_get_property_reply_t *reply = xcb_get_property_reply(c->xcb_connection(), get_cookie, &error); if (reply && reply->format == 32 && reply->type == c->atom(QXcbAtom::_MOTIF_WM_HINTS)) { hints = *((QtMotifWmHints *)xcb_get_property_value(reply)); } else if (error) { c->handleXcbError(error); free(error); 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); } } void QXcbWindow::printNetWmState(const QVector &state) { printf("_NET_WM_STATE (%d): ", state.size()); for (int i = 0; i < state.size(); ++i) { #define CHECK_WM_STATE(state_atom) \ if (state.at(i) == atom(QXcbAtom::state_atom))\ printf(#state_atom " "); CHECK_WM_STATE(_NET_WM_STATE_ABOVE) CHECK_WM_STATE(_NET_WM_STATE_BELOW) CHECK_WM_STATE(_NET_WM_STATE_FULLSCREEN) CHECK_WM_STATE(_NET_WM_STATE_MAXIMIZED_HORZ) CHECK_WM_STATE(_NET_WM_STATE_MAXIMIZED_VERT) CHECK_WM_STATE(_NET_WM_STATE_MODAL) CHECK_WM_STATE(_NET_WM_STATE_STAYS_ON_TOP) CHECK_WM_STATE(_NET_WM_STATE_DEMANDS_ATTENTION) #undef CHECK_WM_STATE } printf("\n"); } QVector QXcbWindow::getNetWmState() { QVector result; xcb_get_property_cookie_t get_cookie = xcb_get_property(xcb_connection(), 0, m_window, atom(QXcbAtom::_NET_WM_STATE), XCB_ATOM_ATOM, 0, 1024); xcb_generic_error_t *error; xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), get_cookie, &error); if (reply && reply->format == 32 && reply->type == XCB_ATOM_ATOM) { result.resize(reply->length); memcpy(result.data(), xcb_get_property_value(reply), reply->length * sizeof(xcb_atom_t)); #ifdef NET_WM_STATE_DEBUG printf("getting net wm state (%x)\n", m_window); printNetWmState(result); #endif free(reply); } else if (error) { connection()->handleXcbError(error); free(error); } else { #ifdef NET_WM_STATE_DEBUG printf("getting net wm state (%x), empty\n", m_window); #endif } return result; } void QXcbWindow::setNetWmState(const QVector &atoms) { 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; setNetWmWindowFlags(flags); setMotifWindowFlags(flags); 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; m_dirtyFrameMargins = true; // 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() { QVector netWmState; Qt::WindowFlags flags = window()->windowFlags(); if (flags & Qt::WindowStaysOnTopHint) { netWmState.append(atom(QXcbAtom::_NET_WM_STATE_ABOVE)); netWmState.append(atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP)); } else if (flags & Qt::WindowStaysOnBottomHint) { netWmState.append(atom(QXcbAtom::_NET_WM_STATE_BELOW)); } if (window()->windowState() & Qt::WindowFullScreen) { netWmState.append(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN)); } if (window()->windowState() & Qt::WindowMaximized) { netWmState.append(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ)); netWmState.append(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT)); } if (window()->windowModality() != Qt::NonModal) { netWmState.append(atom(QXcbAtom::_NET_WM_STATE_MODAL)); } setNetWmState(netWmState); } 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_screen->screen()->root_visual, // 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); } 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::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)); } void QXcbWindow::propagateSizeHints() { // update WM_NORMAL_HINTS xcb_size_hints_t hints; memset(&hints, 0, sizeof(hints)); QRect rect = geometry(); 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, XCB_GRAVITY_STATIC); QWindow *win = window(); 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){ updateNetWmUserTime(connection()->time()); Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, connection()->time())); } connection()->sync(); } QSurfaceFormat QXcbWindow::format() const { // ### return actual format return m_requestedFormat; } #if defined(XCB_USE_EGL) QXcbEGLSurface *QXcbWindow::eglSurface() const { if (!m_eglSurface) { EGLDisplay display = connection()->egl_display(); EGLConfig config = q_configFromGLFormat(display, window()->format(), 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); QWindowSystemInterface::handleExposeEvent(window(), rect); } 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]); if (!m_hasReceivedSyncRequest) { m_hasReceivedSyncRequest = true; printf("Window manager supports _NET_WM_SYNC_REQUEST, syncing resizes\n"); } m_syncValue.lo = event->data.data32[2]; m_syncValue.hi = event->data.data32[3]; } else { qWarning() << "unhandled WM_PROTOCOLS message:" << connection()->atomName(event->data.data32[0]); } } else if (event->type == atom(QXcbAtom::XdndEnter)) { connection()->drag()->handleEnter(window(), event); } else if (event->type == atom(QXcbAtom::XdndPosition)) { connection()->drag()->handlePosition(window(), event, false); } else if (event->type == atom(QXcbAtom::XdndLeave)) { connection()->drag()->handleLeave(window(), event, false); } else if (event->type == atom(QXcbAtom::XdndDrop)) { connection()->drag()->handleDrop(window(), event, false); } else { qWarning() << "unhandled client message:" << connection()->atomName(event->type); } } void QXcbWindow::handleConfigureNotifyEvent(const xcb_configure_notify_event_t *event) { int xpos = geometry().x(); int ypos = geometry().y(); if ((event->width == geometry().width() && event->height == geometry().height()) || event->x != 0 || event->y != 0) { xpos = event->x; ypos = event->y; } QRect rect(xpos, ypos, event->width, event->height); if (rect == geometry()) return; QPlatformWindow::setGeometry(rect); QWindowSystemInterface::handleGeometryChange(window(), rect); #if XCB_USE_DRI2 if (m_context) static_cast(m_context)->resize(rect.size()); #endif } void QXcbWindow::handleMapNotifyEvent(const xcb_map_notify_event_t *event) { if (event->window == m_window) { m_mapped = true; QWindowSystemInterface::handleMapEvent(window()); } } void QXcbWindow::handleUnmapNotifyEvent(const xcb_unmap_notify_event_t *event) { if (event->window == m_window) { m_mapped = false; QWindowSystemInterface::handleUnmapEvent(window()); } } 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; 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 = Qt::NoModifier; 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); return; } handleMouseEvent(event->detail, event->state, event->time, local, global); } 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); handleMouseEvent(event->detail, event->state, event->time, local, global); } 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); handleMouseEvent(event->detail, event->state, event->time, local, global); } void QXcbWindow::handleMouseEvent(xcb_button_t detail, uint16_t state, xcb_timestamp_t time, const QPoint &local, const QPoint &global) { 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); } 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::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, GrabModeAsync, GrabModeAsync); xcb_generic_error_t *err; xcb_grab_keyboard_reply_t *reply = xcb_grab_keyboard_reply(xcb_connection(), cookie, &err); bool result = !(err || !reply || reply->status != XCB_GRAB_STATUS_SUCCESS); free(reply); free(err); 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, (ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask), GrabModeAsync, GrabModeAsync, XCB_WINDOW_NONE, XCB_CURSOR_NONE, XCB_TIME_CURRENT_TIME); xcb_generic_error_t *err; xcb_grab_pointer_reply_t *reply = xcb_grab_pointer_reply(xcb_connection(), cookie, &err); bool result = !(err || !reply || reply->status != XCB_GRAB_STATUS_SUCCESS); free(reply); free(err); 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()); }