void QXcbWindowSurface::flush(QWidget *widget, const QRegion ®ion, const QPoint &offset)
{
QRect bounds = region.boundingRect();
if (size().isEmpty() || !geometry().contains(bounds))
return;
Q_XCB_NOOP(connection());
QXcbWindow *window = static_cast<QXcbWindow *>(widget->window()->platformWindow());
extern QWidgetData* qt_widget_data(QWidget *);
QPoint widgetOffset = qt_qwidget_data(widget)->wrect.topLeft();
QVector<QRect> rects = region.rects();
for (int i = 0; i < rects.size(); ++i)
m_image->put(window->window(), rects.at(i).topLeft() - widgetOffset, rects.at(i).translated(offset));
Q_XCB_NOOP(connection());
if (m_syncingResize) {
xcb_flush(xcb_connection());
connection()->sync();
m_syncingResize = false;
window->updateSyncRequestCounter();
}
}
void QXcbBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoint &offset)
{
if (!m_image || m_image->size().isEmpty())
return;
QSize imageSize = m_image->size();
QRegion clipped = region;
clipped &= QRect(0, 0, window->width(), window->height());
clipped &= QRect(0, 0, imageSize.width(), imageSize.height()).translated(-offset);
QRect bounds = clipped.boundingRect();
if (bounds.isNull())
return;
Q_XCB_NOOP(connection());
QXcbWindow *platformWindow = static_cast<QXcbWindow *>(window->handle());
QVector<QRect> rects = clipped.rects();
for (int i = 0; i < rects.size(); ++i)
m_image->put(platformWindow->xcb_window(), rects.at(i).topLeft(), rects.at(i).translated(offset));
Q_XCB_NOOP(connection());
if (m_syncingResize) {
xcb_flush(xcb_connection());
connection()->sync();
m_syncingResize = false;
platformWindow->updateSyncRequestCounter();
}
}
void QXcbCursor::changeCursor(QCursor *cursor, QWindow *widget)
{
QXcbWindow *w = 0;
if (widget && widget->handle())
w = static_cast<QXcbWindow *>(widget->handle());
else
// No X11 cursor control when there is no widget under the cursor
return;
xcb_cursor_t c = XCB_CURSOR_NONE;
bool isBitmapCursor = false;
if (cursor) {
const Qt::CursorShape shape = cursor->shape();
isBitmapCursor = shape == Qt::BitmapCursor;
if (!isBitmapCursor) {
const QXcbCursorCacheKey key(*cursor);
CursorHash::iterator it = m_cursorHash.find(key);
if (it == m_cursorHash.end()) {
it = m_cursorHash.insert(key, createFontCursor(shape));
}
c = it.value();
} else {
// Do not cache bitmap cursors, as otherwise they have unclear
// lifetime (we effectively leak xcb_cursor_t).
c = createBitmapCursor(cursor);
}
}
w->setCursor(c, isBitmapCursor);
}
void QXcbDrag::drop(const QMouseEvent *event)
{
QBasicDrag::drop(event);
if (!current_target)
return;
xcb_client_message_event_t drop;
drop.response_type = XCB_CLIENT_MESSAGE;
drop.window = current_target;
drop.format = 32;
drop.type = atom(QXcbAtom::XdndDrop);
drop.data.data32[0] = connection()->clipboard()->owner();
drop.data.data32[1] = 0; // flags
drop.data.data32[2] = connection()->time();
drop.data.data32[3] = 0;
drop.data.data32[4] = currentDrag()->supportedActions();
QXcbWindow *w = connection()->platformWindowFromId(current_proxy_target);
if (w && (w->window()->type() == Qt::Desktop) /*&& !w->acceptDrops()*/)
w = 0;
Transaction t = {
connection()->time(),
current_target,
current_proxy_target,
(w ? w->window() : 0),
// current_embeddig_widget,
currentDrag(),
QTime::currentTime()
};
transactions.append(t);
// timer is needed only for drops that came from other processes.
if (!t.targetWindow && cleanup_timer == -1) {
cleanup_timer = startTimer(XdndDropTransactionTimeout);
}
if (w) {
handleDrop(w->window(), &drop);
} else {
xcb_send_event(xcb_connection(), false, current_proxy_target, XCB_EVENT_MASK_NO_EVENT, (const char *)&drop);
}
current_target = 0;
current_proxy_target = 0;
source_time = 0;
// current_embedding_widget = 0;
}
void QXcbWindowSurface::resize(const QSize &size)
{
if (size == QWindowSurface::size())
return;
Q_XCB_NOOP(connection());
QWindowSurface::resize(size);
QXcbScreen *screen = static_cast<QXcbScreen *>(QPlatformScreen::platformScreenForWidget(window()));
QXcbWindow* win = static_cast<QXcbWindow *>(window()->platformWindow());
delete m_image;
m_image = new QXcbShmImage(screen, size, win->depth(), win->format());
Q_XCB_NOOP(connection());
m_syncingResize = true;
}
QPlatformWindow *QXcbIntegration::createPlatformWindow(QWindow *window) const
{
QXcbScreen *screen = static_cast<QXcbScreen *>(window->screen()->handle());
QXcbGlIntegration *glIntegration = screen->connection()->glIntegration();
if (window->type() != Qt::Desktop) {
if (glIntegration) {
QXcbWindow *xcbWindow = glIntegration->createWindow(window);
xcbWindow->create();
return xcbWindow;
}
}
Q_ASSERT(window->type() == Qt::Desktop || !window->supportsOpenGL()
|| (!glIntegration && window->surfaceType() == QSurface::RasterGLSurface)); // for VNC
QXcbWindow *xcbWindow = new QXcbWindow(window);
xcbWindow->create();
return xcbWindow;
}
void QXcbConnection::xi2ReportTabletEvent(const TabletData &tabletData, void *event)
{
xXIDeviceEvent *ev = reinterpret_cast<xXIDeviceEvent *>(event);
QXcbWindow *xcbWindow = platformWindowFromId(ev->event);
if (!xcbWindow)
return;
QWindow *window = xcbWindow->window();
const double scale = 65536.0;
QPointF local(ev->event_x / scale, ev->event_y / scale);
QPointF global(ev->root_x / scale, ev->root_y / scale);
double pressure = 0, rotation = 0;
int xTilt = 0, yTilt = 0;
for (QHash<int, TabletData::ValuatorClassInfo>::const_iterator it = tabletData.valuatorInfo.constBegin(),
ite = tabletData.valuatorInfo.constEnd(); it != ite; ++it) {
int valuator = it.key();
const TabletData::ValuatorClassInfo &classInfo(it.value());
double value;
if (xi2GetValuatorValueIfSet(event, classInfo.number, &value)) {
double normalizedValue = (value - classInfo.minVal) / double(classInfo.maxVal - classInfo.minVal);
switch (valuator) {
case QXcbAtom::AbsPressure:
pressure = normalizedValue;
break;
case QXcbAtom::AbsTiltX:
xTilt = value;
break;
case QXcbAtom::AbsTiltY:
yTilt = value;
break;
case QXcbAtom::AbsWheel:
rotation = value / 64.0;
break;
default:
break;
}
}
}
QWindowSystemInterface::handleTabletEvent(window, tabletData.down, local, global,
QTabletEvent::Stylus, tabletData.pointerType,
pressure, xTilt, yTilt, 0,
rotation, 0, tabletData.serialId);
}
void QXcbBackingStore::resize(const QSize &size, const QRegion &)
{
if (m_image && size == m_image->size())
return;
Q_XCB_NOOP(connection());
QXcbScreen *screen = static_cast<QXcbScreen *>(window()->screen()->handle());
QPlatformWindow *pw = window()->handle();
if (!pw) {
window()->create();
pw = window()->handle();
}
QXcbWindow* win = static_cast<QXcbWindow *>(pw);
delete m_image;
m_image = new QXcbShmImage(screen, size, win->depth(), win->imageFormat());
Q_XCB_NOOP(connection());
m_syncingResize = true;
}
void QXcbCursor::changeCursor(QCursor *cursor, QWindow *widget)
{
QXcbWindow *w = 0;
if (widget && widget->handle())
w = static_cast<QXcbWindow *>(widget->handle());
else
// No X11 cursor control when there is no widget under the cursor
return;
xcb_cursor_t c = XCB_CURSOR_NONE;
if (cursor) {
const QXcbCursorCacheKey key(*cursor);
CursorHash::iterator it = m_cursorHash.find(key);
if (it == m_cursorHash.end()) {
const Qt::CursorShape shape = cursor->shape();
it = m_cursorHash.insert(key, shape == Qt::BitmapCursor ? createBitmapCursor(cursor) : createFontCursor(shape));
}
c = it.value();
}
w->setCursor(c);
}
void QXcbDrag::move(const QMouseEvent *me)
{
// The mouse event is in the coordinate system of the window that started the drag.
// We do not know which window that was at this point, so we just use the device pixel ratio
// of the QGuiApplication. This will break once we support screens with different DPR. Fixing
// this properly requires some redesign of the drag and drop architecture.
static const int dpr = int(qApp->devicePixelRatio());
QBasicDrag::move(me);
QPoint globalPos = me->globalPos();
if (source_sameanswer.contains(globalPos) && source_sameanswer.isValid())
return;
const QList<QXcbScreen *> &screens = connection()->screens();
QXcbScreen *screen = connection()->primaryScreen();
for (int i = 0; i < screens.size(); ++i) {
if (screens.at(i)->geometry().contains(globalPos)) {
screen = screens.at(i);
break;
}
}
if (screen != current_screen) {
// ### need to recreate the shaped pixmap window?
// int screen = QCursor::x11Screen();
// if ((qt_xdnd_current_screen == -1 && screen != X11->defaultScreen) || (screen != qt_xdnd_current_screen)) {
// // recreate the pixmap on the new screen...
// delete xdnd_data.deco;
// QWidget* parent = object->source()->window()->x11Info().screen() == screen
// ? object->source()->window() : QApplication::desktop()->screen(screen);
// xdnd_data.deco = new QShapedPixmapWidget(parent);
// if (!QWidget::mouseGrabber()) {
// updatePixmap();
// xdnd_data.deco->grabMouse();
// }
// }
// xdnd_data.deco->move(QCursor::pos() - xdnd_data.deco->pm_hot);
current_screen = screen;
}
// qt_xdnd_current_screen = screen;
xcb_window_t rootwin = current_screen->root();
xcb_translate_coordinates_reply_t *translate =
::translateCoordinates(connection(), rootwin, rootwin, globalPos.x() * dpr, globalPos.y() * dpr);
if (!translate)
return;
xcb_window_t target = translate->child;
int lx = translate->dst_x;
int ly = translate->dst_y;
free (translate);
if (target && target != rootwin) {
xcb_window_t src = rootwin;
while (target != 0) {
DNDDEBUG << "checking target for XdndAware" << target << lx << ly;
// translate coordinates
translate = ::translateCoordinates(connection(), src, target, lx, ly);
if (!translate) {
target = 0;
break;
}
lx = translate->dst_x;
ly = translate->dst_y;
src = target;
xcb_window_t child = translate->child;
free(translate);
// check if it has XdndAware
xcb_get_property_cookie_t cookie = Q_XCB_CALL(xcb_get_property(xcb_connection(), false, target,
atom(QXcbAtom::XdndAware), XCB_GET_PROPERTY_TYPE_ANY, 0, 0));
xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), cookie, 0);
bool aware = reply && reply->type != XCB_NONE;
free(reply);
if (aware) {
DNDDEBUG << "Found XdndAware on " << target;
break;
}
target = child;
}
if (!target || target == shapedPixmapWindow()->handle()->winId()) {
DNDDEBUG << "need to find real window";
target = findRealWindow(globalPos, rootwin, 6, true);
if (target == 0)
target = findRealWindow(globalPos, rootwin, 6, false);
DNDDEBUG << "real window found" << target;
}
}
QXcbWindow *w = 0;
if (target) {
w = connection()->platformWindowFromId(target);
if (w && (w->window()->type() == Qt::Desktop) /*&& !w->acceptDrops()*/)
w = 0;
} else {
w = 0;
target = rootwin;
}
xcb_window_t proxy_target = xdndProxy(connection(), target);
if (!proxy_target)
proxy_target = target;
int target_version = 1;
if (proxy_target) {
xcb_get_property_cookie_t cookie = xcb_get_property(xcb_connection(), false, proxy_target,
atom(QXcbAtom::XdndAware), XCB_GET_PROPERTY_TYPE_ANY, 0, 1);
xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), cookie, 0);
if (!reply || reply->type == XCB_NONE)
target = 0;
target_version = *(uint32_t *)xcb_get_property_value(reply);
target_version = qMin(xdnd_version, target_version ? target_version : 1);
free(reply);
}
if (target != current_target) {
if (current_target)
send_leave();
current_target = target;
current_proxy_target = proxy_target;
if (target) {
int flags = target_version << 24;
if (drag_types.size() > 3)
flags |= 0x0001;
xcb_client_message_event_t enter;
enter.response_type = XCB_CLIENT_MESSAGE;
enter.window = target;
enter.format = 32;
enter.type = atom(QXcbAtom::XdndEnter);
enter.data.data32[0] = connection()->clipboard()->owner();
enter.data.data32[1] = flags;
enter.data.data32[2] = drag_types.size()>0 ? drag_types.at(0) : 0;
enter.data.data32[3] = drag_types.size()>1 ? drag_types.at(1) : 0;
enter.data.data32[4] = drag_types.size()>2 ? drag_types.at(2) : 0;
// provisionally set the rectangle to 5x5 pixels...
source_sameanswer = QRect(globalPos.x() - 2, globalPos.y() -2 , 5, 5);
DEBUG() << "sending Xdnd enter source=" << enter.data.data32[0];
if (w)
handleEnter(w->window(), &enter);
else if (target)
xcb_send_event(xcb_connection(), false, proxy_target, XCB_EVENT_MASK_NO_EVENT, (const char *)&enter);
waiting_for_status = false;
}
}
if (waiting_for_status)
return;
if (target) {
waiting_for_status = true;
xcb_client_message_event_t move;
move.response_type = XCB_CLIENT_MESSAGE;
move.window = target;
move.format = 32;
move.type = atom(QXcbAtom::XdndPosition);
move.data.data32[0] = connection()->clipboard()->owner();
move.data.data32[1] = 0; // flags
move.data.data32[2] = (globalPos.x() * dpr << 16) + globalPos.y() * dpr;
move.data.data32[3] = connection()->time();
move.data.data32[4] = toXdndAction(defaultAction(currentDrag()->supportedActions(), QGuiApplication::keyboardModifiers()));
DEBUG() << "sending Xdnd position source=" << move.data.data32[0] << "target=" << move.window;
source_time = connection()->time();
if (w)
handle_xdnd_position(w->window(), &move);
else
xcb_send_event(xcb_connection(), false, proxy_target, XCB_EVENT_MASK_NO_EVENT, (const char *)&move);
}
}
void QXcbNativeBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoint &offset)
{
if (m_pixmap.isNull())
return;
QSize pixmapSize = m_pixmap.size();
QRegion clipped = region;
clipped &= QRect(QPoint(), QHighDpi::toNativePixels(window->size(), window));
clipped &= QRect(0, 0, pixmapSize.width(), pixmapSize.height()).translated(-offset);
QRect br = clipped.boundingRect();
if (br.isNull())
return;
QXcbWindow *platformWindow = static_cast<QXcbWindow *>(window->handle());
if (!platformWindow) {
qWarning("QXcbBackingStore::flush: QWindow has no platform window (QTBUG-32681)");
return;
}
Window wid = platformWindow->xcb_window();
Pixmap pid = qt_x11PixmapHandle(m_pixmap);
QVector<XRectangle> clipRects = qt_region_to_xrectangles(clipped);
#if QT_CONFIG(xrender)
if (m_translucentBackground)
{
XWindowAttributes attrib;
XGetWindowAttributes(display(), wid, &attrib);
XRenderPictFormat *format = XRenderFindVisualFormat(display(), attrib.visual);
Picture srcPic = qt_x11PictureHandle(m_pixmap);
Picture dstPic = XRenderCreatePicture(display(), wid, format, 0, 0);
XRenderSetPictureClipRectangles(display(), dstPic, 0, 0, clipRects.constData(), clipRects.size());
XRenderComposite(display(), PictOpSrc, srcPic, None, dstPic,
br.x() + offset.x(), br.y() + offset.y(),
0, 0,
br.x(), br.y(),
br.width(), br.height());
XRenderFreePicture(display(), dstPic);
}
else
#endif
{
GC gc = XCreateGC(display(), wid, 0, Q_NULLPTR);
if (clipRects.size() != 1)
XSetClipRectangles(display(), gc, 0, 0, clipRects.data(), clipRects.size(), YXBanded);
XCopyArea(display(), pid, wid, gc, br.x() + offset.x(), br.y() + offset.y(), br.width(), br.height(), br.x(), br.y());
XFreeGC(display(), gc);
}
if (platformWindow->needsSync()) {
platformWindow->updateSyncRequestCounter();
} else {
XFlush(display());
}
}