diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbwindow.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 238 |
1 files changed, 115 insertions, 123 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index 429ba8df71..82ef8cc4df 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. ** ** $QT_END_LICENSE$ ** @@ -196,6 +202,20 @@ 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; @@ -266,7 +286,7 @@ static inline XTextProperty* qstringToXTP(Display *dpy, const QString& s) // TODO move this into a utility function in QWindow or QGuiApplication static QWindow *childWindowAt(QWindow *win, const QPoint &p) { - foreach (QObject *obj, win->children()) { + for (QObject *obj : win->children()) { if (obj->isWindowType()) { QWindow *childWin = static_cast<QWindow *>(obj); if (childWin->isVisible()) { @@ -353,7 +373,7 @@ void QXcbWindow::create() if (visual) m_visualId = connection()->defaultVisualId(); if (!visual) - qWarning() << "Could not use default visual id. Falling back to root_visual for screen."; + qWarning("Could not use default visual id. Falling back to root_visual for screen."); } if (!visual) visual = platformScreen->visualForId(m_visualId); @@ -362,18 +382,6 @@ void QXcbWindow::create() return; } - const quint32 mask = XCB_CW_BACK_PIXMAP | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_SAVE_UNDER | XCB_CW_EVENT_MASK; - const quint32 values[] = { - // XCB_CW_BACK_PIXMAP - XCB_NONE, - // XCB_CW_OVERRIDE_REDIRECT - type == Qt::Popup || type == Qt::ToolTip || (window()->flags() & Qt::BypassWindowManagerHint), - // XCB_CW_SAVE_UNDER - type == Qt::Popup || type == Qt::Tool || type == Qt::SplashScreen || type == Qt::ToolTip || type == Qt::Drawer, - // XCB_CW_EVENT_MASK - defaultEventMask - }; - // Parameters to XCreateWindow() are frame corner + inner size. // This fits in case position policy is frame inclusive. There is // currently no way to implement it for frame-exclusive geometries. @@ -404,108 +412,76 @@ void QXcbWindow::create() } } - resolveFormat(); - -#ifdef XCB_USE_XLIB - if (window()->surfaceType() != QSurface::RasterSurface - && QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)) { - XVisualInfo *visualInfo = Q_NULLPTR; - if (connection()->hasDefaultVisualId()) - visualInfo = CREATE_VISUALINFO_FROM_DEFAULT_VISUALID(this); - if (!visualInfo) - visualInfo = static_cast<XVisualInfo *>(createVisual()); - - if (!visualInfo && window()->surfaceType() == QSurface::OpenGLSurface) - qFatal("Could not initialize OpenGL"); - - if (!visualInfo && window()->surfaceType() == QSurface::RasterGLSurface) { - qWarning("Could not initialize OpenGL for RasterGLSurface, reverting to RasterSurface."); - window()->setSurfaceType(QSurface::RasterSurface); - } - - if (visualInfo) { - m_depth = visualInfo->depth; - m_imageFormat = imageFormatForVisual(visualInfo->depth, visualInfo->red_mask, visualInfo->blue_mask, &m_imageRgbSwap); - Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), xcb_parent_id, visualInfo->visual, AllocNone); + resolveFormat(platformScreen->surfaceFormatFor(window()->requestedFormat())); - XSetWindowAttributes a; - a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), platformScreen->screenNumber()); - a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), platformScreen->screenNumber()); - a.colormap = cmap; + const xcb_visualtype_t *visual = Q_NULLPTR; - m_visualId = visualInfo->visualid; + if (connection()->hasDefaultVisualId()) { + visual = platformScreen->visualForId(connection()->defaultVisualId()); + if (!visual) + qWarning() << "Failed to use requested visual id."; + } - 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); + if (!visual) + visual = createVisual(); - XFree(visualInfo); - } + if (!visual) { + qWarning() << "Falling back to using screens root_visual."; + visual = platformScreen->visualForId(platformScreen->screen()->root_visual); } -#endif - if (!m_window) - { - m_window = xcb_generate_id(xcb_connection()); - m_visualId = UINT_MAX; - const xcb_visualtype_t *visual = Q_NULLPTR; - m_depth = platformScreen->screen()->root_depth; + Q_ASSERT(visual); - uint32_t mask = 0; - uint32_t values[3]; + m_visualId = visual->visual_id; + m_depth = platformScreen->depthOfVisual(m_visualId); + m_imageFormat = imageFormatForVisual(m_depth, visual->red_mask, visual->blue_mask, &m_imageRgbSwap); + xcb_colormap_t colormap = 0; - if (connection()->hasDefaultVisualId()) { - m_visualId = connection()->defaultVisualId(); - visual = platformScreen->visualForId(m_visualId); - } + quint32 mask = XCB_CW_BACK_PIXMAP + | XCB_CW_BORDER_PIXEL + | XCB_CW_BIT_GRAVITY + | XCB_CW_OVERRIDE_REDIRECT + | XCB_CW_SAVE_UNDER + | XCB_CW_EVENT_MASK; - if (!visual) { - if (connection()->hasDefaultVisualId()) - qWarning("Failed to use default visual id. Falling back to using screens root_visual"); - - m_visualId = platformScreen->screen()->root_visual; - - if (m_format.alphaBufferSize() == 8) { - xcb_depth_iterator_t depthIter = xcb_screen_allowed_depths_iterator(platformScreen->screen()); - while (depthIter.rem) { - if (depthIter.data->depth == 32) { - xcb_visualtype_iterator_t visualIter = xcb_depth_visuals_iterator(depthIter.data); - if (visualIter.rem) { - m_visualId = visualIter.data->visual_id; - m_depth = 32; - uint32_t colormap = xcb_generate_id(xcb_connection()); - xcb_create_colormap(xcb_connection(), XCB_COLORMAP_ALLOC_NONE, colormap, - xcb_parent_id, m_visualId); - mask |= XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_COLORMAP; - values[0] = platformScreen->screen()->white_pixel; - values[1] = platformScreen->screen()->black_pixel; - values[2] = colormap; - break; - } - } - xcb_depth_next(&depthIter); - } - } + static const bool haveOpenGL = QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL); - visual = platformScreen->visualForId(m_visualId); - } + if ((window()->supportsOpenGL() && haveOpenGL) || m_format.hasAlpha()) { + colormap = xcb_generate_id(xcb_connection()); + Q_XCB_CALL(xcb_create_colormap(xcb_connection(), + XCB_COLORMAP_ALLOC_NONE, + colormap, + xcb_parent_id, + m_visualId)); - m_imageFormat = imageFormatForVisual(m_depth, visual->red_mask, visual->blue_mask, &m_imageRgbSwap); - Q_XCB_CALL(xcb_create_window(xcb_connection(), - m_depth, - 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 - mask, - values)); + mask |= XCB_CW_COLORMAP; } + quint32 values[] = { + XCB_BACK_PIXMAP_NONE, + platformScreen->screen()->black_pixel, + XCB_GRAVITY_NORTH_WEST, + type == Qt::Popup || type == Qt::ToolTip || (window()->flags() & Qt::BypassWindowManagerHint), + type == Qt::Popup || type == Qt::Tool || type == Qt::SplashScreen || type == Qt::ToolTip || type == Qt::Drawer, + defaultEventMask, + colormap + }; + + m_window = xcb_generate_id(xcb_connection()); + Q_XCB_CALL(xcb_create_window(xcb_connection(), + m_depth, + 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 + mask, + values)); + connection()->addWindowEventListener(m_window, this); Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values)); @@ -666,7 +642,7 @@ 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) { @@ -902,7 +878,8 @@ void QXcbWindow::hide() // 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()) { + const auto screens = xcbScreen()->virtualSiblings(); + for (QPlatformScreen *screen : screens) { if (screen->geometry().contains(cursorPos)) { const QPoint devicePosition = QHighDpi::toNativePixels(cursorPos, screen->screen()); enterWindow = screen->topLevelAt(devicePosition); @@ -1174,6 +1151,7 @@ void QXcbWindow::setWindowFlags(Qt::WindowFlags flags) } setWmWindowType(wmWindowTypes, flags); + setNetWmStateWindowFlags(flags); setMotifWindowFlags(flags); setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput); @@ -1409,6 +1387,15 @@ 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; @@ -1677,7 +1664,7 @@ void QXcbWindow::requestActivateWindow() return; } - if (!m_mapped || !xcbScreen()) { + if (!m_mapped) { m_deferredActivation = true; return; } @@ -2177,9 +2164,7 @@ 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())); } } @@ -2577,6 +2562,12 @@ void QXcbWindow::updateSyncRequestCounter() } } +const xcb_visualtype_t *QXcbWindow::createVisual() +{ + return xcbScreen() ? xcbScreen()->visualForFormat(m_format) + : nullptr; +} + bool QXcbWindow::setKeyboardGrabEnabled(bool grab) { if (grab && !connection()->canGrab()) @@ -2848,3 +2839,4 @@ QXcbScreen *QXcbWindow::xcbScreen() const } QT_END_NAMESPACE + |