diff options
Diffstat (limited to 'src/plugins/platforms/wayland/qwaylanddisplay.cpp')
-rw-r--r-- | src/plugins/platforms/wayland/qwaylanddisplay.cpp | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland/qwaylanddisplay.cpp b/src/plugins/platforms/wayland/qwaylanddisplay.cpp new file mode 100644 index 0000000..14a8dcf --- /dev/null +++ b/src/plugins/platforms/wayland/qwaylanddisplay.cpp @@ -0,0 +1,273 @@ +/**************************************************************************** +** +** 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 "qwaylanddisplay.h" + +#include "qwaylandwindow.h" +#include "qwaylandscreen.h" +#include "qwaylandcursor.h" +#include "qwaylandinputdevice.h" +#include "qwaylandclipboard.h" + +#ifdef QT_WAYLAND_GL_SUPPORT +#include "gl_integration/qwaylandglintegration.h" +#endif + +#include <QtCore/QAbstractEventDispatcher> +#include <QtGui/QApplication> +#include <QtGui/private/qapplication_p.h> + +#include <unistd.h> +#include <fcntl.h> +#include <stdio.h> +#include <errno.h> + +struct wl_surface *QWaylandDisplay::createSurface(void *handle) +{ + struct wl_surface * surface = wl_compositor_create_surface(mCompositor); + wl_surface_set_user_data(surface, handle); + return surface; +} + +struct wl_buffer *QWaylandDisplay::createShmBuffer(int fd, + int width, int height, + uint32_t stride, + struct wl_visual *visual) +{ + return wl_shm_create_buffer(mShm, fd, width, height, stride, visual); +} + +struct wl_visual *QWaylandDisplay::rgbVisual() +{ + return wl_display_get_rgb_visual(mDisplay); +} + +struct wl_visual *QWaylandDisplay::argbVisual() +{ + return wl_display_get_argb_visual(mDisplay); +} + +struct wl_visual *QWaylandDisplay::argbPremultipliedVisual() +{ + return wl_display_get_premultiplied_argb_visual(mDisplay); +} + +#ifdef QT_WAYLAND_GL_SUPPORT +QWaylandGLIntegration * QWaylandDisplay::eglIntegration() +{ + return mEglIntegration; +} +#endif + +void QWaylandDisplay::shellHandleConfigure(void *data, struct wl_shell *shell, + uint32_t time, uint32_t edges, + struct wl_surface *surface, + int32_t width, int32_t height) +{ + Q_UNUSED(data); + Q_UNUSED(shell); + Q_UNUSED(time); + Q_UNUSED(edges); + QWaylandWindow *ww = (QWaylandWindow *) wl_surface_get_user_data(surface); + + ww->configure(time, edges, 0, 0, width, height); +} + +const struct wl_shell_listener QWaylandDisplay::shellListener = { + QWaylandDisplay::shellHandleConfigure, +}; + +QWaylandDisplay::QWaylandDisplay(void) +{ + mDisplay = wl_display_connect(NULL); + if (mDisplay == NULL) { + qErrnoWarning(errno, "Failed to create display"); + qFatal("No wayland connection available."); + } + + wl_display_add_global_listener(mDisplay, QWaylandDisplay::displayHandleGlobal, this); + +#ifdef QT_WAYLAND_GL_SUPPORT + mEglIntegration = QWaylandGLIntegration::createGLIntegration(this); +#endif + blockingReadEvents(); + + qRegisterMetaType<uint32_t>("uint32_t"); + +#ifdef QT_WAYLAND_GL_SUPPORT + mEglIntegration->initialize(); +#endif + + connect(QAbstractEventDispatcher::instance(), SIGNAL(aboutToBlock()), this, SLOT(flushRequests())); + + mFd = wl_display_get_fd(mDisplay, sourceUpdate, this); + + mReadNotifier = new QSocketNotifier(mFd, QSocketNotifier::Read, this); + connect(mReadNotifier, SIGNAL(activated(int)), this, SLOT(readEvents())); + + waitForScreens(); +} + +QWaylandDisplay::~QWaylandDisplay(void) +{ + close(mFd); +#ifdef QT_WAYLAND_GL_SUPPORT + delete mEglIntegration; +#endif + wl_display_destroy(mDisplay); +} + +void QWaylandDisplay::createNewScreen(struct wl_output *output, QRect geometry) +{ + QWaylandScreen *waylandScreen = new QWaylandScreen(this,output,geometry); + mScreens.append(waylandScreen); +} + +void QWaylandDisplay::syncCallback(wl_display_sync_func_t func, void *data) +{ + wl_display_sync_callback(mDisplay, func, data); +} + +void QWaylandDisplay::frameCallback(wl_display_frame_func_t func, struct wl_surface *surface, void *data) +{ + wl_display_frame_callback(mDisplay, surface, func, data); +} + +void QWaylandDisplay::flushRequests() +{ + if (mSocketMask & WL_DISPLAY_WRITABLE) + wl_display_iterate(mDisplay, WL_DISPLAY_WRITABLE); +} + +void QWaylandDisplay::readEvents() +{ +// verify that there is still data on the socket + fd_set fds; + FD_ZERO(&fds); + FD_SET(mFd, &fds); + fd_set nds; + FD_ZERO(&nds); + fd_set rs = fds; + fd_set ws = nds; + fd_set es = nds; + timeval timeout; + timeout.tv_sec = 0; + timeout.tv_usec = 0; + int ret = ::select(mFd+1, &rs, &ws, &es, &timeout ); + + if (ret <= 0) { + //qDebug("QWaylandDisplay::readEvents() No data... blocking avoided"); + return; + } + + wl_display_iterate(mDisplay, WL_DISPLAY_READABLE); +} + +void QWaylandDisplay::blockingReadEvents() +{ + wl_display_iterate(mDisplay, WL_DISPLAY_READABLE); +} + +int QWaylandDisplay::sourceUpdate(uint32_t mask, void *data) +{ + QWaylandDisplay *waylandDisplay = static_cast<QWaylandDisplay *>(data); + waylandDisplay->mSocketMask = mask; + + return 0; +} + +void QWaylandDisplay::outputHandleGeometry(void *data, + struct wl_output *output, + int32_t x, int32_t y, + int32_t width, int32_t height) +{ + QWaylandDisplay *waylandDisplay = static_cast<QWaylandDisplay *>(data); + QRect outputRect = QRect(x, y, width, height); + waylandDisplay->createNewScreen(output,outputRect); +} + +const struct wl_output_listener QWaylandDisplay::outputListener = { + QWaylandDisplay::outputHandleGeometry +}; + +void QWaylandDisplay::waitForScreens() +{ + flushRequests(); + while (mScreens.isEmpty()) + blockingReadEvents(); +} + +void QWaylandDisplay::displayHandleGlobal(struct wl_display *display, + uint32_t id, + const char *interface, + uint32_t version, + void *data) +{ + Q_UNUSED(display); + QWaylandDisplay *that = static_cast<QWaylandDisplay *>(data); + that->displayHandleGlobal(id, QByteArray(interface), version); +} + +void QWaylandDisplay::displayHandleGlobal(uint32_t id, + const QByteArray &interface, + uint32_t version) +{ + Q_UNUSED(version); + if (interface == "wl_output") { + struct wl_output *output = wl_output_create(mDisplay, id, 1); + wl_output_add_listener(output, &outputListener, this); + } else if (interface == "wl_compositor") { + mCompositor = wl_compositor_create(mDisplay, id, 1); + } else if (interface == "wl_shm") { + mShm = wl_shm_create(mDisplay, id, 1); + } else if (interface == "wl_shell"){ + mShell = wl_shell_create(mDisplay, id, 1); + wl_shell_add_listener(mShell, &shellListener, this); + } else if (interface == "wl_input_device") { + QWaylandInputDevice *inputDevice = + new QWaylandInputDevice(mDisplay, id); + mInputDevices.append(inputDevice); + } else if (interface == "wl_selection_offer") { + QPlatformIntegration *plat = QApplicationPrivate::platformIntegration(); + QWaylandClipboard *clipboard = static_cast<QWaylandClipboard *>(plat->clipboard()); + clipboard->createSelectionOffer(id); + } +} |