void TitleWidget::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
Plasma::IconWidget::mouseMoveEvent(event);
if (m_drag && (event->buttons() & Qt::LeftButton))
{
WId wid = KWindowSystem::activeWindow();
if (wid) {
XUngrabPointer(QX11Info::display(), QX11Info::appTime());
NETRootInfo rootInfo(QX11Info::display(), NET::WMMoveResize);
KWindowInfo info = KWindowSystem::windowInfo(wid, NET::WMGeometry);
int x;
int y;
QPointF p = event->screenPos();
if (p.x() > info.geometry().x() && p.x() < info.geometry().x() + info.geometry().width())
x = p.x();
else
x = info.geometry().x();
if (p.y() > info.geometry().y() && p.y() < info.geometry().y() + info.geometry().height())
y = p.y();
else
y = info.geometry().y();
rootInfo.moveResizeRequest( wid, x, y, NET::Move);
}
}
}
void WindowManager::startDrag(QWidget *widget, const QPoint& position)
{
if (!(enabled() && widget)) {
return;
}
if (QWidget::mouseGrabber()) {
return;
}
// ungrab pointer
if (useWMMoveResize()) {
#if defined Q_WS_X11 && QT_VERSION < 0x050000
#ifndef ENABLE_KDE_SUPPORT
static const Atom constNetMoveResize = XInternAtom(QX11Info::display(), "_NET_WM_MOVERESIZE", False);
//...Taken from bespin...
// stolen... errr "adapted!" from QSizeGrip
QX11Info info;
XEvent xev;
xev.xclient.type = ClientMessage;
xev.xclient.message_type = constNetMoveResize;
xev.xclient.display = QX11Info::display();
xev.xclient.window = widget->window()->winId();
xev.xclient.format = 32;
xev.xclient.data.l[0] = position.x();
xev.xclient.data.l[1] = position.y();
xev.xclient.data.l[2] = 8; // NET::Move
xev.xclient.data.l[3] = Button1;
xev.xclient.data.l[4] = 0;
XUngrabPointer(QX11Info::display(), QX11Info::appTime());
XSendEvent(QX11Info::display(), QX11Info::appRootWindow(info.screen()), False,
SubstructureRedirectMask | SubstructureNotifyMask, &xev);
#else
XUngrabPointer(QX11Info::display(), QX11Info::appTime());
NETRootInfo rootInfo(QX11Info::display(), NET::WMMoveResize);
rootInfo.moveResizeRequest(widget->window()->winId(), position.x(), position.y(), NET::Move);
#endif // !ENABLE_KDE_SUPPORT
#endif
}
if (!useWMMoveResize() && !_cursorOverride) {
qApp->setOverrideCursor(Qt::DragMoveCursor);
_cursorOverride = true;
}
_dragInProgress = true;
return;
}
/*!
Propagates the managed clients to the world.
Called ONLY from updateStackingOrder().
*/
void Workspace::propagateClients(bool propagate_new_clients)
{
// restack the windows according to the stacking order
// supportWindow > electric borders > clients > hidden clients
QVector<xcb_window_t> newWindowStack;
// Stack all windows under the support window. The support window is
// not used for anything (besides the NETWM property), and it's not shown,
// but it was lowered after kwin startup. Stacking all clients below
// it ensures that no client will be ever shown above override-redirect
// windows (e.g. popups).
newWindowStack << rootInfo()->supportWindow();
newWindowStack << ScreenEdges::self()->windows();
newWindowStack.reserve(newWindowStack.size() + 2*stacking_order.size()); // *2 for inputWindow
for (int i = stacking_order.size() - 1; i >= 0; --i) {
Client *client = qobject_cast<Client*>(stacking_order.at(i));
if (!client || client->hiddenPreview()) {
continue;
}
if (client->inputId())
// Stack the input window above the frame
newWindowStack << client->inputId();
newWindowStack << client->frameId();
}
// when having hidden previews, stack hidden windows below everything else
// (as far as pure X stacking order is concerned), in order to avoid having
// these windows that should be unmapped to interfere with other windows
for (int i = stacking_order.size() - 1; i >= 0; --i) {
Client *client = qobject_cast<Client*>(stacking_order.at(i));
if (!client || !client->hiddenPreview())
continue;
newWindowStack << client->frameId();
}
// TODO isn't it too inefficient to restack always all clients?
// TODO don't restack not visible windows?
assert(newWindowStack.at(0) == rootInfo()->supportWindow());
Xcb::restackWindows(newWindowStack);
int pos = 0;
xcb_window_t *cl(nullptr);
if (propagate_new_clients) {
cl = new xcb_window_t[ desktops.count() + clients.count()];
// TODO this is still not completely in the map order
for (ClientList::ConstIterator it = desktops.constBegin(); it != desktops.constEnd(); ++it)
cl[pos++] = (*it)->window();
for (ClientList::ConstIterator it = clients.constBegin(); it != clients.constEnd(); ++it)
cl[pos++] = (*it)->window();
rootInfo()->setClientList(cl, pos);
delete [] cl;
}
cl = new xcb_window_t[ stacking_order.count()];
pos = 0;
for (ToplevelList::ConstIterator it = stacking_order.constBegin(); it != stacking_order.constEnd(); ++it) {
if ((*it)->isClient())
cl[pos++] = (*it)->window();
}
rootInfo()->setClientListStacking(cl, pos);
delete [] cl;
// Make the cached stacking order invalid here, in case we need the new stacking order before we get
// the matching event, due to X being asynchronous.
x_stacking_dirty = true;
}