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Drag'n'drop: only activate clients after still hover

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BUG: 395368
This commit is contained in:
Xaver Hugl 2021-02-19 12:32:35 +01:00
parent 1f39c45a10
commit ad7a826ea1
1 changed files with 42 additions and 5 deletions
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47
src/input.cpp
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@ -1871,9 +1871,17 @@ public:
QHash<KWaylandServer::TabletToolV2Interface*, Cursor*> m_cursorByTool;
};
class DragAndDropInputFilter : public InputEventFilter
class DragAndDropInputFilter : public QObject, public InputEventFilter
{
Q_OBJECT
public:
DragAndDropInputFilter()
{
m_raiseTimer.setSingleShot(true);
m_raiseTimer.setInterval(250);
connect(&m_raiseTimer, &QTimer::timeout, this, &DragAndDropInputFilter::raiseDragTarget);
}
bool pointerEvent(QMouseEvent *event, quint32 nativeButton) override {
auto seat = waylandServer()->seat();
if (!seat->isDragPointer()) {
@ -1904,14 +1912,21 @@ public:
if (t) {
// TODO: consider decorations
if (t->surface() != seat->dragSurface()) {
if (AbstractClient *c = qobject_cast<AbstractClient*>(t)) {
workspace()->activateClient(c);
if ((m_dragTarget = qobject_cast<AbstractClient*>(t))) {
workspace()->takeActivity(m_dragTarget, Workspace::ActivityFlag::ActivityFocus);
m_raiseTimer.start();
}
seat->setDragTarget(t->surface(), t->inputTransformation());
}
if ((pos - m_lastPos).manhattanLength() > 10) {
m_lastPos = pos;
// reset timer to delay raising the window
m_raiseTimer.start();
}
} else {
// no window at that place, if we have a surface we need to reset
seat->setDragTarget(nullptr);
m_dragTarget = nullptr;
}
break;
}
@ -1920,6 +1935,7 @@ public:
seat->notifyPointerFrame();
break;
case QEvent::MouseButtonRelease:
raiseDragTarget();
seat->notifyPointerButton(nativeButton, KWaylandServer::PointerButtonState::Released);
seat->notifyPointerFrame();
break;
@ -1943,6 +1959,7 @@ public:
}
seat->setTimestamp(time);
seat->notifyTouchDown(id, pos);
m_lastPos = pos;
return true;
}
bool touchMotion(qint32 id, const QPointF &pos, quint32 time) override {
@ -1968,14 +1985,21 @@ public:
if (Toplevel *t = input()->findToplevel(pos.toPoint())) {
// TODO: consider decorations
if (t->surface() != seat->dragSurface()) {
if (AbstractClient *c = qobject_cast<AbstractClient*>(t)) {
workspace()->activateClient(c);
if ((m_dragTarget = qobject_cast<AbstractClient*>(t))) {
workspace()->takeActivity(m_dragTarget, Workspace::ActivityFlag::ActivityFocus);
m_raiseTimer.start();
}
seat->setDragTarget(t->surface(), pos, t->inputTransformation());
}
if ((pos - m_lastPos).manhattanLength() > 10) {
m_lastPos = pos;
// reset timer to delay raising the window
m_raiseTimer.start();
}
} else {
// no window at that place, if we have a surface we need to reset
seat->setDragTarget(nullptr);
m_dragTarget = nullptr;
}
return true;
}
@ -1988,11 +2012,22 @@ public:
seat->notifyTouchUp(id);
if (m_touchId == id) {
m_touchId = -1;
raiseDragTarget();
}
return true;
}
private:
void raiseDragTarget()
{
m_raiseTimer.stop();
if (m_dragTarget) {
workspace()->takeActivity(m_dragTarget, Workspace::ActivityFlag::ActivityRaise);
}
}
qint32 m_touchId = -1;
QPointF m_lastPos = QPointF(-1, -1);
QPointer<AbstractClient> m_dragTarget;
QTimer m_raiseTimer;
};
KWIN_SINGLETON_FACTORY(InputRedirection)
@ -2847,3 +2882,5 @@ QWindow *InputDeviceHandler::internalWindow() const
}
} // namespace
#include "input.moc"