PanelAppletOverlay::PanelAppletOverlay(Plasma::Applet *applet, QWidget *parent)
: QWidget(parent),
m_applet(applet),
m_spacer(0),
m_layout(dynamic_cast<QGraphicsLinearLayout*>(applet->containment()->layout())), // ++assumptions;
m_index(0),
m_clickDrag(false)
{
if (!s_appletHandle) {
s_appletHandle = new PanelAppletHandle();
}
++s_appletHandleCount;
connect(s_appletHandle, SIGNAL(mousePressed(Plasma::Applet*,QMouseEvent*)),
this, SLOT(handleMousePressed(Plasma::Applet*,QMouseEvent*)));
connect(s_appletHandle, SIGNAL(mouseMoved(Plasma::Applet*,QMouseEvent*)),
this, SLOT(handleMouseMoved(Plasma::Applet*,QMouseEvent*)));
connect(s_appletHandle, SIGNAL(mouseReleased(Plasma::Applet*,QMouseEvent*)),
this, SLOT(handleMouseReleased(Plasma::Applet*,QMouseEvent*)));
syncIndex();
syncOrientation();
syncGeometry();
setMouseTracking(true);
connect(m_applet, SIGNAL(destroyed(QObject*)), this, SLOT(appletDestroyed()));
connect(m_applet, SIGNAL(geometryChanged()), this, SLOT(delaySyncGeometry()));
}
void Placeable::load(const Aurora::GFF3Struct &instance, const Aurora::GFF3Struct *blueprint = 0) {
if (blueprint)
loadProperties(*blueprint);
loadProperties(instance);
const Aurora::GDAFile &gda = getMGDA(kWorksheetPlaceables);
_model = loadModelObject(gda.getString(gda.findRow(_appearanceID), "ModelName"));
if (_model) {
_model->setTag(_tag);
_model->setClickable(isClickable());
_ids.push_back(_model->getID());
}
syncPosition();
syncOrientation();
}
void PanelAppletOverlay::mouseMoveEvent(QMouseEvent *event)
{
if (!m_layout || !m_applet) {
//kDebug() << "no layout";
return;
}
const int margin = 9;
if (m_applet->inherits("PanelSpacer")) {
if (m_applet->formFactor() == Plasma::Horizontal) {
if (event->pos().x() < margin || event->pos().x() > m_applet->size().width() - margin) {
setCursor(Qt::SizeHorCursor);
} else {
setCursor(Qt::ArrowCursor);
}
} else if (m_applet->formFactor() == Plasma::Vertical) {
if (event->pos().y() < margin || event->pos().y() > m_applet->size().height() - margin) {
setCursor(Qt::SizeVerCursor);
} else {
setCursor(Qt::ArrowCursor);
}
}
}
if (!m_clickDrag && !(event->buttons() & Qt::LeftButton)) {
//kDebug() << "no left button and we aren't click dragging";
return;
}
Plasma::FormFactor f = m_applet->formFactor();
if (!m_applet->inherits("PanelSpacer") &&
(((f != Plasma::Horizontal && f != Plasma::Vertical) && rect().intersects(m_applet->rect().toRect())) ||
((f == Plasma::Horizontal || f == Plasma::Vertical) && !rect().contains(event->globalPos()))) ) {
Plasma::View *view = Plasma::View::topLevelViewAt(event->globalPos());
//kDebug() << "checking view" << view << m_applet->view();
if (!view) {
view = dynamic_cast<Plasma::View*>(parent());
}
if (!view) {
return;
}
if (view != m_applet->view() && (event->buttons() & Qt::LeftButton)) {
Plasma::Containment *c = view->containment();
if (!c) {
return;
}
syncOrientation();
syncGeometry();
if (m_spacer) {
if (m_layout) {
m_layout->removeItem(m_spacer);
}
m_spacer->deleteLater();
m_spacer = 0;
}
QPointF pos = c->view()->mapFromGlobal(event->globalPos());
QRectF g = m_applet->geometry();
pos += QPoint(m_offset, m_offset);
g.moveTo(pos);
m_applet->setGeometry(g);
m_layout = 0;
c->addApplet(m_applet, pos, true);
m_applet->flushPendingConstraintsEvents();
m_applet->setPos(pos);
releaseMouse();
emit moved(this);
return;
}
} else if (m_applet->inherits("PanelSpacer") && m_dragAction != Move) {
if (m_applet->formFactor() == Plasma::Horizontal) {
if (m_dragAction == LeftResize) {
int fixedWidth = m_applet->size().width()+(m_lastGlobalPos.x() - event->globalPos().x());
m_applet->setPos(m_applet->pos().x()-(fixedWidth-m_applet->size().width()), m_applet->pos().y());
m_applet->setMinimumWidth(fixedWidth);
m_applet->setMaximumWidth(fixedWidth);
} else if (m_dragAction == RightResize) {
int fixedWidth = m_applet->size().width()-(m_lastGlobalPos.x() - event->globalPos().x());
m_applet->setMinimumWidth(fixedWidth);
m_applet->setMaximumWidth(fixedWidth);
}
} else if (m_applet->formFactor() == Plasma::Vertical) {
if (m_dragAction == LeftResize) {
int fixedHeight = m_applet->size().height()+(m_lastGlobalPos.y() - event->globalPos().y());
m_applet->setPos(m_applet->pos().x(), m_applet->pos().y()-(fixedHeight-m_applet->size().height()));
m_applet->setMinimumHeight(fixedHeight);
m_applet->setMaximumHeight(fixedHeight);
} else if (m_dragAction == RightResize) {
int fixedHeight = m_applet->size().height()-(m_lastGlobalPos.y() - event->globalPos().y());
m_applet->setMinimumHeight(fixedHeight);
m_applet->setMaximumHeight(fixedHeight);
}
}
m_lastGlobalPos = event->globalPos();
return;
}
if (!m_spacer) {
m_spacer = new AppletMoveSpacer(m_applet);
m_spacer->setMinimumSize(m_applet->geometry().size());
m_spacer->setMaximumSize(m_applet->geometry().size());
if (m_layout) {
m_layout->removeItem(m_applet);
m_layout->insertItem(m_index, m_spacer);
}
}
QPoint p = mapToParent(event->pos());
QRectF g = m_applet->geometry();
//kDebug() << p << g << "<-- movin'?";
if (m_orientation == Qt::Horizontal) {
g.moveLeft(p.x() + m_offset);
} else {
g.moveTop(p.y() + m_offset);
}
m_applet->setGeometry(g);
//FIXME: assumption on how panel containment works, presence of a non applet spacer in last position (if they were swapped would be impossible to save and restore)
if ((m_index > 0 && m_layout->itemAt(m_index - 1)) || m_index == 0) {
const bool prevIsApplet = dynamic_cast<Plasma::Applet*>(m_layout->itemAt(m_index - 1)) != 0;
const bool nextIsApplet = dynamic_cast<Plasma::Applet*>(m_layout->itemAt(m_index + 1)) != 0;
QPointF mousePos = event->pos() + g.topLeft();
// swap items if we pass completely over the next/previous item or cross
// more than halfway across it, whichever comes first
if (m_orientation == Qt::Horizontal) {
//kDebug() << prevIsApplet << m_prevGeom << g << nextIsApplet << m_nextGeom;
if (QApplication::layoutDirection() == Qt::RightToLeft) {
if (prevIsApplet && m_prevGeom.isValid() && mousePos.x() >= m_prevGeom.right()) {
swapWithPrevious();
} else if (nextIsApplet && m_nextGeom.isValid() && mousePos.x() <= m_nextGeom.left()) {
swapWithNext();
}
} else if (prevIsApplet && m_prevGeom.isValid() && mousePos.x() <= m_prevGeom.left()) {
swapWithPrevious();
} else if (nextIsApplet && m_nextGeom.isValid() && mousePos.x() >= m_nextGeom.right()) {
swapWithNext();
}
} else if (prevIsApplet && m_prevGeom.isValid() && mousePos.y() <= m_prevGeom.top()) {
swapWithPrevious();
} else if (nextIsApplet && m_nextGeom.isValid() && mousePos.y() >= m_nextGeom.bottom()) {
swapWithNext();
}
}
m_lastGlobalPos = event->globalPos();
//kDebug() << "=================================";
}
