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/****************************************************************************
**
** Copyright (C) 2012 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
#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
#include "windowmanager_integration/qwaylandwindowmanagerintegration.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 rgb_visual;
}
struct wl_visual *QWaylandDisplay::argbVisual()
{
return argb_visual;
}
struct wl_visual *QWaylandDisplay::argbPremultipliedVisual()
{
return premultiplied_argb_visual;
}
#ifdef QT_WAYLAND_GL_SUPPORT
QWaylandGLIntegration * QWaylandDisplay::eglIntegration()
{
return mEglIntegration;
}
#endif
#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
QWaylandWindowManagerIntegration *QWaylandDisplay::windowManagerIntegration()
{
return mWindowManagerIntegration;
}
#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)
: argb_visual(0), premultiplied_argb_visual(0), rgb_visual(0)
{
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
#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
mWindowManagerIntegration = QWaylandWindowManagerIntegration::createIntegration(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,
wl_output *output,
int32_t x, int32_t y,
int32_t physicalWidth,
int32_t physicalHeight,
int subpixel,
const char *make, const char *model)
{
QWaylandDisplay *waylandDisplay = static_cast<QWaylandDisplay *>(data);
QRect outputRect = QRect(x, y, physicalWidth, physicalHeight);
waylandDisplay->createNewScreen(output,outputRect);
}
void QWaylandDisplay::mode(void *data,
struct wl_output *wl_output,
uint32_t flags,
int width,
int height,
int refresh)
{
Q_UNUSED(data);
Q_UNUSED(wl_output);
Q_UNUSED(flags);
Q_UNUSED(width);
Q_UNUSED(height);
Q_UNUSED(refresh);
}
const struct wl_output_listener QWaylandDisplay::outputListener = {
QWaylandDisplay::outputHandleGeometry,
QWaylandDisplay::mode
};
const struct wl_compositor_listener QWaylandDisplay::compositorListener = {
QWaylandDisplay::handleVisual,
};
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);
wl_compositor_add_listener(mCompositor,
&compositorListener, this);
} 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);
}
}
void QWaylandDisplay::handleVisual(void *data,
struct wl_compositor *compositor,
uint32_t id, uint32_t token)
{
QWaylandDisplay *self = static_cast<QWaylandDisplay *>(data);
switch (token) {
case WL_COMPOSITOR_VISUAL_ARGB32:
self->argb_visual = wl_visual_create(self->mDisplay, id, 1);
break;
case WL_COMPOSITOR_VISUAL_PREMULTIPLIED_ARGB32:
self->premultiplied_argb_visual =
wl_visual_create(self->mDisplay, id, 1);
break;
case WL_COMPOSITOR_VISUAL_XRGB32:
self->rgb_visual = wl_visual_create(self->mDisplay, id, 1);
break;
}
}
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