diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbwindow.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 321 |
1 files changed, 228 insertions, 93 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index f97f570831..6ac28684a8 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the plugins of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://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. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.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. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -50,6 +56,7 @@ #include "qxcbsystemtraytracker.h" #include <qpa/qplatformintegration.h> +#include <qpa/qplatformcursor.h> #include <algorithm> @@ -194,6 +201,20 @@ static inline QImage::Format imageFormatForVisual(int depth, quint32 red_mask, q case 16: if (blue_mask == 0x1f) return QImage::Format_RGB16; + if (red_mask == 0x1f) { + if (rgbSwap) + *rgbSwap = true; + return QImage::Format_RGB16; + } + break; + case 15: + if (blue_mask == 0x1f) + return QImage::Format_RGB555; + if (red_mask == 0x1f) { + if (rgbSwap) + *rgbSwap = true; + return QImage::Format_RGB555; + } break; default: break; @@ -261,6 +282,26 @@ static inline XTextProperty* qstringToXTP(Display *dpy, const QString& s) } #endif // XCB_USE_XLIB +// TODO move this into a utility function in QWindow or QGuiApplication +static QWindow *childWindowAt(QWindow *win, const QPoint &p) +{ + foreach (QObject *obj, win->children()) { + if (obj->isWindowType()) { + QWindow *childWin = static_cast<QWindow *>(obj); + if (childWin->isVisible()) { + if (QWindow *recurse = childWindowAt(childWin, p)) + return recurse; + } + } + } + if (!win->isTopLevel() + && !(win->flags() & Qt::WindowTransparentForInput) + && win->geometry().contains(win->parent()->mapFromGlobal(p))) { + return win; + } + return Q_NULLPTR; +} + static const char *wm_window_type_property_id = "_q_xcb_wm_window_type"; QXcbWindow::QXcbWindow(QWindow *window) @@ -393,7 +434,7 @@ void QXcbWindow::create() if (!visualInfo) visualInfo = static_cast<XVisualInfo *>(createVisual()); - if (!visualInfo && window()->surfaceType() == QSurface::OpenGLSurface) + if (Q_UNLIKELY(!visualInfo && window()->surfaceType() == QSurface::OpenGLSurface)) qFatal("Could not initialize OpenGL"); if (!visualInfo && window()->surfaceType() == QSurface::RasterGLSurface) { @@ -640,7 +681,7 @@ void QXcbWindow::setGeometry(const QRect &rect) const QRect wmGeometry = windowToWmGeometry(rect); - if (newScreen && newScreen != currentScreen) + if (newScreen != currentScreen) QWindowSystemInterface::handleWindowScreenChanged(window(), newScreen->QPlatformScreen::screen()); if (qt_window_private(window())->positionAutomatic) { @@ -855,6 +896,33 @@ void QXcbWindow::hide() connection()->setMouseGrabber(Q_NULLPTR); m_mapped = false; + + // Hiding a modal window doesn't send an enter event to its transient parent when the + // mouse is already over the parent window, so the enter event must be emulated. + if (window()->isModal()) { + // Get the cursor position at modal window screen + const QPoint nativePos = xcbScreen()->cursor()->pos(); + const QPoint cursorPos = QHighDpi::fromNativePixels(nativePos, xcbScreen()->screenForPosition(nativePos)->screen()); + + // Find the top level window at cursor position. + // Don't use QGuiApplication::topLevelAt(): search only the virtual siblings of this window's screen + QWindow *enterWindow = Q_NULLPTR; + foreach (QPlatformScreen *screen, xcbScreen()->virtualSiblings()) { + if (screen->geometry().contains(cursorPos)) { + const QPoint devicePosition = QHighDpi::toNativePixels(cursorPos, screen->screen()); + enterWindow = screen->topLevelAt(devicePosition); + break; + } + } + + if (enterWindow && enterWindow != window()) { + // Find the child window at cursor position, otherwise use the top level window + if (QWindow *childWindow = childWindowAt(enterWindow, cursorPos)) + enterWindow = childWindow; + const QPoint localPos = enterWindow->mapFromGlobal(cursorPos); + QWindowSystemInterface::handleEnterEvent(enterWindow, localPos, cursorPos); + } + } } static QWindow *tlWindow(QWindow *window) @@ -894,8 +962,13 @@ static bool focusInPeeker(QXcbConnection *connection, xcb_generic_event_t *event return true; } uint response_type = event->response_type & ~0x80; - if (response_type == XCB_FOCUS_IN) - return true; + if (response_type == XCB_FOCUS_IN) { + // Ignore focus events that are being sent only because the pointer is over + // our window, even if the input focus is in a different window. + xcb_focus_in_event_t *e = (xcb_focus_in_event_t *) event; + if (e->detail != XCB_NOTIFY_DETAIL_POINTER) + return true; + } /* We are also interested in XEMBED_FOCUS_IN events */ if (response_type == XCB_CLIENT_MESSAGE) { @@ -1090,6 +1163,7 @@ void QXcbWindow::setWindowFlags(Qt::WindowFlags flags) } setWmWindowType(wmWindowTypes, flags); + setNetWmStateWindowFlags(flags); setMotifWindowFlags(flags); setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput); @@ -1323,6 +1397,15 @@ void QXcbWindow::updateNetWmStateBeforeMap() setNetWmStates(states); } +void QXcbWindow::setNetWmStateWindowFlags(Qt::WindowFlags flags) +{ + changeNetWmState(flags & Qt::WindowStaysOnTopHint, + atom(QXcbAtom::_NET_WM_STATE_ABOVE), + atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP)); + changeNetWmState(flags & Qt::WindowStaysOnBottomHint, + atom(QXcbAtom::_NET_WM_STATE_BELOW)); +} + void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp) { xcb_window_t wid = m_window; @@ -1591,7 +1674,7 @@ void QXcbWindow::requestActivateWindow() return; } - if (!m_mapped || !xcbScreen()) { + if (!m_mapped) { m_deferredActivation = true; return; } @@ -2089,9 +2172,7 @@ void QXcbWindow::handleMapNotifyEvent(const xcb_map_notify_event_t *event) if (m_deferredActivation) requestActivateWindow(); - QRegion exposeRegion = QRect(QPoint(), geometry().size()); - compressExposeEvent(exposeRegion); - QWindowSystemInterface::handleExposeEvent(window(), exposeRegion); + QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size())); } } @@ -2157,6 +2238,85 @@ void QXcbWindow::handleButtonReleaseEvent(int event_x, int event_y, int root_x, handleMouseEvent(timestamp, local, global, modifiers); } +static bool ignoreLeaveEvent(quint8 mode, quint8 detail) +{ + return (mode == XCB_NOTIFY_MODE_GRAB && detail == XCB_NOTIFY_DETAIL_ANCESTOR) // Check for AwesomeWM + || detail == XCB_NOTIFY_DETAIL_VIRTUAL + || detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL; +} + +static bool ignoreEnterEvent(quint8 mode, quint8 detail) +{ + return ((mode == XCB_NOTIFY_MODE_UNGRAB && detail == XCB_NOTIFY_DETAIL_ANCESTOR) // Check for AwesomeWM + || (mode != XCB_NOTIFY_MODE_NORMAL && mode != XCB_NOTIFY_MODE_UNGRAB) + || detail == XCB_NOTIFY_DETAIL_VIRTUAL + || 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->mode, enter->detail)) + return false; + + return true; + } +}; + +void QXcbWindow::handleEnterNotifyEvent(int event_x, int event_y, int root_x, int root_y, + quint8 mode, quint8 detail, xcb_timestamp_t timestamp) +{ + connection()->setTime(timestamp); +#ifdef XCB_USE_XINPUT21 + connection()->handleEnterEvent(); +#endif + + const QPoint global = QPoint(root_x, root_y); + + if (ignoreEnterEvent(mode, detail) + || (connection()->buttons() != Qt::NoButton + && QGuiApplicationPrivate::lastCursorPosition != global)) + return; + + const QPoint local(event_x, event_y); + QWindowSystemInterface::handleEnterEvent(window(), local, global); +} + +void QXcbWindow::handleLeaveNotifyEvent(int root_x, int root_y, + quint8 mode, quint8 detail, xcb_timestamp_t timestamp) +{ + connection()->setTime(timestamp); + + const QPoint global(root_x, root_y); + + if (ignoreLeaveEvent(mode, detail) + || (connection()->buttons() != Qt::NoButton + && QGuiApplicationPrivate::lastCursorPosition != global)) + 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) { + QPoint local(enter->event_x, enter->event_y); + QPoint global = QPoint(root_x, root_y); + QWindowSystemInterface::handleEnterLeaveEvent(enterWindow->window(), window(), local, global); + } else { + QWindowSystemInterface::handleLeaveEvent(window()); + } + + free(enter); +} + void QXcbWindow::handleMotionNotifyEvent(int event_x, int event_y, int root_x, int root_y, Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp) { @@ -2191,12 +2351,10 @@ 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<xXIDeviceEvent *>(event); const Qt::KeyboardModifiers modifiers = conn->keyboard()->translateModifiers(ev->mods.effective_mods); @@ -2234,12 +2392,41 @@ void QXcbWindow::handleXIMouseEvent(xcb_ge_event_t *event) qWarning() << "Unrecognized XI2 mouse event" << ev->evtype; break; } -#else - Q_UNUSED(event); - Q_ASSERT(false); // this can't be -#endif } +// With XI 2.2+ enter/leave comes here and are blocked in plain xcb events +void QXcbWindow::handleXIEnterLeave(xcb_ge_event_t *event) +{ + xXIEnterEvent *ev = reinterpret_cast<xXIEnterEvent *>(event); + + // Compare the window with current mouse grabber to prevent deliver events to any other windows. + // If leave event occurs and the window is under mouse - allow to deliver the leave event. + QXcbWindow *mouseGrabber = connection()->mouseGrabber(); + if (mouseGrabber && mouseGrabber != this + && (ev->evtype != XI_Leave || QGuiApplicationPrivate::currentMouseWindow != window())) { + return; + } + + const int root_x = fixed1616ToInt(ev->root_x); + const int root_y = fixed1616ToInt(ev->root_y); + + switch (ev->evtype) { + case XI_Enter: { + const int event_x = fixed1616ToInt(ev->event_x); + const int event_y = fixed1616ToInt(ev->event_y); + qCDebug(lcQpaXInput, "XI2 mouse enter %d,%d, mode %d, detail %d, time %d", event_x, event_y, ev->mode, ev->detail, ev->time); + handleEnterNotifyEvent(event_x, event_y, root_x, root_y, ev->mode, ev->detail, ev->time); + break; + } + case XI_Leave: + qCDebug(lcQpaXInput, "XI2 mouse leave, mode %d, detail %d, time %d", ev->mode, ev->detail, ev->time); + connection()->keyboard()->updateXKBStateFromXI(&ev->mods, &ev->group); + handleLeaveNotifyEvent(root_x, root_y, ev->mode, ev->detail, ev->time); + break; + } +} +#endif + QXcbWindow *QXcbWindow::toWindow() { return this; } void QXcbWindow::handleMouseEvent(xcb_timestamp_t time, const QPoint &local, const QPoint &global, Qt::KeyboardModifiers modifiers) @@ -2248,74 +2435,14 @@ void QXcbWindow::handleMouseEvent(xcb_timestamp_t time, const QPoint &local, con 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 - || event->mode == XCB_NOTIFY_MODE_GRAB; -} - -static bool ignoreEnterEvent(const xcb_enter_notify_event_t *event) -{ - return (event->mode != XCB_NOTIFY_MODE_NORMAL - || 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 QPoint local(event->event_x, event->event_y); - QPoint global = QPoint(event->root_x, event->root_y); - QWindowSystemInterface::handleEnterEvent(window(), local, global); + handleEnterNotifyEvent(event->event_x, event->event_y, event->root_x, event->root_y, event->mode, event->detail, event->time); } 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) { - QPoint local(enter->event_x, enter->event_y); - QPoint global = QPoint(event->root_x, event->root_y); - - QWindowSystemInterface::handleEnterLeaveEvent(enterWindow->window(), window(), local, global); - } else { - QWindowSystemInterface::handleLeaveEvent(window()); - } - - free(enter); + handleLeaveNotifyEvent(event->root_x, event->root_y, event->mode, event->detail, event->time); } void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *event) @@ -2369,14 +2496,22 @@ void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *ev } } -void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *) +void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *event) { + // Ignore focus events that are being sent only because the pointer is over + // our window, even if the input focus is in a different window. + if (event->detail == XCB_NOTIFY_DETAIL_POINTER) + return; doFocusIn(); } -void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *) +void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *event) { + // Ignore focus events that are being sent only because the pointer is over + // our window, even if the input focus is in a different window. + if (event->detail == XCB_NOTIFY_DETAIL_POINTER) + return; doFocusOut(); } @@ -2419,7 +2554,7 @@ bool QXcbWindow::setMouseGrabEnabled(bool grab) if (!grab && connection()->mouseGrabber() == this) connection()->setMouseGrabber(Q_NULLPTR); #ifdef XCB_USE_XINPUT22 - if (connection()->xi2MouseEvents()) { + if (connection()->isAtLeastXI22() && connection()->xi2MouseEvents()) { bool result = connection()->xi2SetMouseGrabEnabled(m_window, grab); if (grab && result) connection()->setMouseGrabber(this); |