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libs: slightly better drag source detection in Plasma::AppletIcon::mouseMoveEvent()

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2023-09-13 02:45:51 +03:00
parent 700e6d1794
commit ae63a4b4cb
1 changed files with 19 additions and 3 deletions
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22
libs/plasmagenericshell/widgetsexplorer/widgetexplorer.cpp
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@ -50,7 +50,7 @@ static const int s_appletactiveiconsize = 22;
// kdelibs/plasma/corona.cpp
static const QString s_coronamimetype = QString::fromLatin1("text/x-plasmoidservicename");
Qt::Orientation kOrientationForLocation(const Plasma::Location location)
static Qt::Orientation kOrientationForLocation(const Plasma::Location location)
{
switch (location) {
case Plasma::Location::LeftEdge:
@ -64,6 +64,22 @@ Qt::Orientation kOrientationForLocation(const Plasma::Location location)
Q_UNREACHABLE();
}
// similar to Plasma::Applet::view(), the important thing is to get a window (preferably active
// one)
static QGraphicsView* kSceneWindow(QGraphicsScene *scene)
{
if (!scene) {
kWarning() << "No AppletIcon scene";
return nullptr;
}
foreach (QGraphicsView *view, scene->views()) {
if (view->isActiveWindow()) {
return view;
}
}
return nullptr;
}
class AppletIcon : public Plasma::IconWidget
{
Q_OBJECT
@ -97,8 +113,8 @@ void AppletIcon::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
if (event->buttons() & Qt::LeftButton &&
(event->pos() - m_dragstartpos).manhattanLength() > KGlobalSettings::dndEventDelay())
{
// have to parent it to QWidget*..
QDrag* drag = new QDrag(qApp->activeWindow());
QGraphicsView* sceneview = kSceneWindow(scene());
QDrag* drag = new QDrag(sceneview ? sceneview : qApp->activeWindow());
QMimeData* mimedata = new QMimeData();
mimedata->setData(s_coronamimetype, m_appletinfo.pluginName().toUtf8());
drag->setMimeData(mimedata);