diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbwindow.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 588 |
1 files changed, 588 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp new file mode 100644 index 0000000..cbf50f7 --- /dev/null +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -0,0 +1,588 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qxcbwindow.h" + +#include "qxcbconnection.h" +#include "qxcbscreen.h" +#ifdef XCB_USE_DRI2 +#include "qdri2context.h" +#endif + +#include <xcb/xcb_icccm.h> + +#include <private/qapplication_p.h> +#include <private/qwindowsurface_p.h> + +#include <QtGui/QWindowSystemInterface> + +#include <stdio.h> + +#ifdef XCB_USE_XLIB +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#endif + +#if defined(XCB_USE_GLX) +#include "qglxintegration.h" +#elif defined(XCB_USE_EGL) +#include "../eglconvenience/qeglplatformcontext.h" +#include "../eglconvenience/qeglconvenience.h" +#include "../eglconvenience/qxlibeglintegration.h" +#endif + +// Returns true if we should set WM_TRANSIENT_FOR on \a w +static inline bool isTransient(const QWidget *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) + && !w->testAttribute(Qt::WA_X11BypassTransientForHint)); +} + +QXcbWindow::QXcbWindow(QWidget *tlw) + : QPlatformWindow(tlw) + , m_context(0) +{ + m_screen = static_cast<QXcbScreen *>(QPlatformScreen::platformScreenForWidget(tlw)); + + setConnection(m_screen->connection()); + + const quint32 mask = XCB_CW_BACK_PIXMAP | XCB_CW_EVENT_MASK; + const quint32 values[] = { + // XCB_CW_BACK_PIXMAP + XCB_NONE, + // 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_PROPERTY_CHANGE + | XCB_EVENT_MASK_FOCUS_CHANGE + }; + +#if defined(XCB_USE_GLX) || defined(XCB_USE_EGL) + if (tlw->platformWindowFormat().windowApi() == QPlatformWindowFormat::OpenGL + && QApplicationPrivate::platformIntegration()->hasOpenGL() ) { +#if defined(XCB_USE_GLX) + XVisualInfo *visualInfo = QGLXContext::findVisualInfo(m_screen, tlw->platformWindowFormat()); +#elif defined(XCB_USE_EGL) + EGLDisplay eglDisplay = eglGetDisplay(DISPLAY_FROM_XCB(this)); + EGLConfig eglConfig = q_configFromQPlatformWindowFormat(eglDisplay,tlw->platformWindowFormat(),true); + VisualID id = QXlibEglIntegration::getCompatibleVisualId(DISPLAY_FROM_XCB(this),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) { + Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), m_screen->root(), visualInfo->visual, AllocNone); + + XSetWindowAttributes a; + a.colormap = cmap; + m_window = XCreateWindow(DISPLAY_FROM_XCB(this), m_screen->root(), tlw->x(), tlw->y(), tlw->width(), tlw->height(), + 0, visualInfo->depth, InputOutput, visualInfo->visual, + CWColormap, &a); + + printf("created GL window: %d\n", m_window); + } else { + qFatal("no window!"); + } + } else +#endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL) + { + m_window = xcb_generate_id(xcb_connection()); + + xcb_create_window(xcb_connection(), + XCB_COPY_FROM_PARENT, // depth -- same as root + m_window, // window id + m_screen->root(), // parent window id + tlw->x(), + tlw->y(), + tlw->width(), + tlw->height(), + 0, // border width + XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class + m_screen->screen()->root_visual, // visual + 0, // value mask + 0); // value list + + printf("created regular window: %d\n", m_window); + } + + 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 (tlw->windowFlags() & Qt::WindowContextHelpButtonHint) + properties[propertyCount++] = atom(QXcbAtom::_NET_WM_CONTEXT_HELP); + + xcb_change_property(xcb_connection(), + XCB_PROP_MODE_REPLACE, + m_window, + atom(QXcbAtom::WM_PROTOCOLS), + 4, + 32, + propertyCount, + properties); + + if (isTransient(tlw) && tlw->parentWidget()) { + // ICCCM 4.1.2.6 + QWidget *p = tlw->parentWidget()->window(); + xcb_window_t parentWindow = p->winId(); + xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, + XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32, + 1, &parentWindow); + + } +} + +QXcbWindow::~QXcbWindow() +{ + xcb_destroy_window(xcb_connection(), m_window); +} + +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(), rect.width(), rect.height() }; + + xcb_configure_window(xcb_connection(), m_window, mask, values); +} + +void QXcbWindow::setVisible(bool visible) +{ + xcb_wm_hints_t hints; + if (visible) { + if (widget()->isMinimized()) + xcb_wm_hints_set_iconic(&hints); + else + xcb_wm_hints_set_normal(&hints); + xcb_set_wm_hints(xcb_connection(), m_window, &hints); + xcb_map_window(xcb_connection(), m_window); + } else { + 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.sequence = 0; // does this matter? + event.event = m_screen->root(); + event.window = m_window; + event.from_configure = false; + 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()); + } +} + +struct QtMWMHints { + 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 +}; + +Qt::WindowFlags QXcbWindow::setWindowFlags(Qt::WindowFlags flags) +{ + Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask)); + + if (type == Qt::ToolTip) + flags |= Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint; + if (type == Qt::Popup) + flags |= Qt::X11BypassWindowManagerHint; + + bool topLevel = (flags & Qt::Window); + bool popup = (type == Qt::Popup); + bool dialog = (type == Qt::Dialog + || type == Qt::Sheet); + bool desktop = (type == Qt::Desktop); + bool tool = (type == Qt::Tool || type == Qt::SplashScreen + || type == Qt::ToolTip || type == Qt::Drawer); + + Q_UNUSED(topLevel); + Q_UNUSED(dialog); + Q_UNUSED(desktop); + Q_UNUSED(tool); + + bool tooltip = (type == Qt::ToolTip); + + QtMWMHints 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; + } + + if (mwmhints.flags != 0l) { + xcb_change_property(xcb_connection(), + XCB_PROP_MODE_REPLACE, + m_window, + atom(QXcbAtom::_MOTIF_WM_HINTS), + atom(QXcbAtom::_MOTIF_WM_HINTS), + 32, + 5, + &mwmhints); + } else { + xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_MOTIF_WM_HINTS)); + } + + if (popup || tooltip) { + const quint32 mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_SAVE_UNDER; + const quint32 values[] = { true, true }; + + xcb_change_window_attributes(xcb_connection(), m_window, mask, values); + } + + return QPlatformWindow::setWindowFlags(flags); +} + +WId QXcbWindow::winId() const +{ + return m_window; +} + +void QXcbWindow::setParent(const QPlatformWindow *parent) +{ + QPoint topLeft = geometry().topLeft(); + xcb_reparent_window(xcb_connection(), window(), static_cast<const QXcbWindow *>(parent)->window(), topLeft.x(), topLeft.y()); +} + +void QXcbWindow::setWindowTitle(const QString &title) +{ + QByteArray ba = title.toUtf8(); + 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 }; + 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 }; + xcb_configure_window(xcb_connection(), m_window, mask, values); +} + +void QXcbWindow::requestActivateWindow() +{ + xcb_set_input_focus(xcb_connection(), m_window, XCB_INPUT_FOCUS_PARENT, XCB_TIME_CURRENT_TIME); +} + +QPlatformGLContext *QXcbWindow::glContext() const +{ + if (!QApplicationPrivate::platformIntegration()->hasOpenGL()) { + printf("no opengl\n"); + return 0; + } +#if defined(XCB_USE_GLX) + if (!m_context) { + QXcbWindow *that = const_cast<QXcbWindow *>(this); + that->m_context = new QGLXContext(m_window, m_screen, widget()->platformWindowFormat()); + } +#elif defined(XCB_USE_EGL) + if (!m_context) { + EGLDisplay display = eglGetDisplay(DISPLAY_FROM_XCB(this)); + + EGLConfig config = q_configFromQPlatformWindowFormat(display,widget()->platformWindowFormat(),true); + QVector<EGLint> eglContextAttrs; + eglContextAttrs.append(EGL_CONTEXT_CLIENT_VERSION); + eglContextAttrs.append(2); + eglContextAttrs.append(EGL_NONE); + + EGLSurface eglSurface = eglCreateWindowSurface(display,config,(EGLNativeWindowType)m_window,0); + QXcbWindow *that = const_cast<QXcbWindow *>(this); + that->m_context = new QEGLPlatformContext(display, config, eglContextAttrs.data(), eglSurface, EGL_OPENGL_ES_API); + } +#elif defined(XCB_USE_DRI2) + if (!m_context) { + QXcbWindow *that = const_cast<QXcbWindow *>(this); + that->m_context = new QDri2Context(that); + } + +#endif + return m_context; +} + +void QXcbWindow::handleExposeEvent(const xcb_expose_event_t *event) +{ + QWindowSurface *surface = widget()->windowSurface(); + if (surface) { + QRect rect(event->x, event->y, event->width, event->height); + + surface->flush(widget(), rect, QPoint()); + } +} + +void QXcbWindow::handleClientMessageEvent(const xcb_client_message_event_t *event) +{ + if (event->format == 32 && event->type == atom(QXcbAtom::WM_PROTOCOLS)) { + if (event->data.data32[0] == atom(QXcbAtom::WM_DELETE_WINDOW)) { + QWindowSystemInterface::handleCloseEvent(widget()); + } + } +} + +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); + QPlatformWindow::setGeometry(rect); + + QWindowSystemInterface::handleGeometryChange(widget(), rect); + +#if XCB_USE_DRI2 + if (m_context) + static_cast<QDri2Context *>(m_context)->resize(rect.size()); +#endif +} + +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) +{ + 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(widget(), 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) +{ + Qt::MouseButtons buttons = translateMouseButtons(state); + Qt::MouseButton button = translateMouseButton(detail); + + buttons ^= button; // X event uses state *before*, Qt uses state *after* + + QWindowSystemInterface::handleMouseEvent(widget(), time, local, global, buttons); +} + +void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *) +{ + QWindowSystemInterface::handleEnterEvent(widget()); +} + +void QXcbWindow::handleLeaveNotifyEvent(const xcb_leave_notify_event_t *) +{ + QWindowSystemInterface::handleLeaveEvent(widget()); +} + +void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *) +{ + QWindowSystemInterface::handleWindowActivated(widget()); +} + +void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *) +{ + QWindowSystemInterface::handleWindowActivated(0); +} + |