PopupApplet monitors the size of the applet now. And fixed scenePosFromScreenPos so you can now

reorder extenderitems within a Dialog. Stuff still breaks when detaching the last item, I'm still 
working on that.


svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=854547

corona.cpp

@@ -374,8 +374,6 @@ void Corona::addOffscreenWidget(QGraphicsWidget *widget)
     d->offscreenLayout->addItem(widget, d->offscreenLayout->rowCount() + 1,
                                         d->offscreenLayout->columnCount() + 1);
 
-    d->offscreenLayout->invalidate();
-
     kDebug() << "current scenerect = " << widget->sceneBoundingRect();
 }
 
@@ -390,7 +388,6 @@ void Corona::removeOffscreenWidget(QGraphicsWidget *widget)
             dynamic_cast<QGraphicsWidget*>(d->offscreenLayout->itemAt(i));
         if (foundWidget == widget) {
             d->offscreenLayout->removeAt(i);
-            d->offscreenLayout->invalidate();
         }
     }
 }

extender.cpp

@@ -46,9 +46,9 @@ Extender::Extender(Applet *applet)
 
     d->emptyExtenderLabel = new Label(this);
     d->emptyExtenderLabel->setText(d->emptyExtenderMessage);
-    d->emptyExtenderLabel->setMinimumSize(QSizeF(150, 24));
+    d->emptyExtenderLabel->setMinimumSize(QSizeF(150, 64));
-    d->emptyExtenderLabel->setPreferredSize(QSizeF(200, 48));
+    d->emptyExtenderLabel->setPreferredSize(QSizeF(200, 64));
-    d->emptyExtenderLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+    d->emptyExtenderLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
     d->layout->addItem(d->emptyExtenderLabel);
 
     d->loadExtenderItems();

extenderitem.cpp

@@ -24,6 +24,7 @@
 #include <QGraphicsSceneResizeEvent>
 #include <QGraphicsSceneMouseEvent>
 #include <QGraphicsLinearLayout>
+#include <QLayout>
 #include <QPainter>
 #include <QTimer>
 
@@ -34,6 +35,7 @@
 #include "applet.h"
 #include "containment.h"
 #include "corona.h"
+#include "dialog.h"
 #include "extender.h"
 #include "panelsvg.h"
 #include "theme.h"
@@ -177,9 +179,24 @@ class ExtenderItemPrivate
 
             QGraphicsView *found = 0;
             foreach (QWidget *w, QApplication::topLevelWidgets()) {
-                QGraphicsView *v = qobject_cast<QGraphicsView *>(w);
+                QGraphicsView *v = 0;
-                if (v && v->isVisible() && v->geometry().contains(pos)) {
+
-                    if (found) {
+                //first check if we're over a Dialog.
+                Dialog *dialog = qobject_cast<Dialog*>(w);
+                if (dialog) {
+                    if (dialog->isVisible() && dialog->geometry().contains(pos)) {
+                        v = qobject_cast<QGraphicsView*>(dialog->layout()->itemAt(0)->widget());
+                        if (v) {
+                            return v->mapToScene(v->mapFromGlobal(pos));
+                        }
+                    }
+                } else {
+                    v = qobject_cast<QGraphicsView *>(w);
+                }
+
+                //else check if it is a QGV:
+                if (v && w->isVisible() && w->geometry().contains(pos)) {
+                    if (found && order.contains(found->winId())) {
                         if (order.indexOf(found->winId()) < order.indexOf(v->winId())) {
                             found = v;
                         }
@@ -405,7 +422,6 @@ void ExtenderItem::setExtender(Extender *extender, const QPointF &pos)
 
     //move the configuration.
     if (d->hostApplet() && (extender != d->extender)) {
-        kDebug() << "moving configuration";
         KConfigGroup c = extender->d->applet->config("ExtenderItems");
         config().reparent(&c);
     }
@@ -636,6 +652,7 @@ void ExtenderItem::resizeEvent(QGraphicsSceneResizeEvent *event)
 
 void ExtenderItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
+    kDebug() << "the mouse pressed yeah yeah yeah!";
     if (!(d->dragHandleRect().contains(event->pos()))) {
         return;
     }
@@ -651,16 +668,17 @@ void ExtenderItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
     setZValue(parentApplet->zValue());
 
     if (d->extender) {
-        d->extender->itemHoverEnterEvent(this);
+        //d->extender->itemHoverEnterEvent(this);
         //d->extender->itemHoverMoveEvent(this, d->extender->mapFromScene(event->scenePos()));
+        d->extender->itemHoverMoveEvent(this, d->extender->mapFromScene(d->scenePosFromScreenPos(event->screenPos())));
     }
 
+    d->extender->d->removeExtenderItem(this);
+
     //call the move event, since that spawns a toplevel view when this extender item is in a
     //Plasma::Dialog, which is very essential since else the dialog will close before having been
     //able to receive any move events.
-    mouseMoveEvent(event);
+    //mouseMoveEvent(event);
-
-    d->extender->d->removeExtenderItem(this);
 
     QApplication::setOverrideCursor(Qt::ClosedHandCursor);
 }

popupapplet.cpp

@@ -175,6 +175,7 @@ void PopupApplet::constraintsEvent(Plasma::Constraints constraints)
             if (graphicsWidget()) {
                 d->layout->addItem(graphicsWidget());
                 setMinimumSize(graphicsWidget()->minimumSize() + marginSize);
+                graphicsWidget()->installEventFilter(this);
             }
             else {
                 if (!d->proxy) {
@@ -240,6 +241,21 @@ void PopupApplet::constraintsEvent(Plasma::Constraints constraints)
     }
 }
 
+bool PopupApplet::eventFilter(QObject *watched, QEvent *event)
+{
+    if (watched == graphicsWidget() && (event->type() == QEvent::GraphicsSceneResize)) {
+        //sizes are recalculated in the constraintsevent so let's just call that.
+        constraintsEvent(Plasma::FormFactorConstraint);
+
+        //resize vertically if necesarry.
+        if (formFactor() == Plasma::MediaCenter || formFactor() == Plasma::Planar) {
+            resize(QSizeF(size().width(), minimumHeight()));
+        }
+    }
+
+    return Applet::eventFilter(watched, event);
+}
+
 void PopupApplet::showPopup(uint popupDuration)
 {
     if (d->dialog && (formFactor() == Horizontal || formFactor() == Vertical)) {
@@ -275,19 +291,6 @@ void PopupApplet::popupEvent(bool)
 
 }
 
-void PopupApplet::widgetGeometryChanged()
-{
-    if (graphicsWidget() && layout()) {
-        //sizes are recalculated in the constraintsevent so let's just call that.
-        constraintsEvent(Plasma::FormFactorConstraint);
-
-        //resize vertically if necesarry.
-        if (formFactor() == Plasma::MediaCenter || formFactor() == Plasma::Planar) {
-            resize(QSizeF(size().width(), minimumHeight()));
-        }
-    }
-}
-
 void PopupAppletPrivate::togglePopup()
 {
    if (dialog) {

popupapplet.h

@@ -100,14 +100,9 @@ public Q_SLOTS:
      */
     void hidePopup();
 
-    /**
-     * Notify PopupApplet that the geometry of the graphicsWidget has changed. When you use an
-     * extender you'll want to connect the extender's geometryChanged() signal to this slot.
-     */
-    void widgetGeometryChanged();
-
 protected:
     void constraintsEvent(Plasma::Constraints constraints);
+    bool eventFilter(QObject *watched, QEvent *event);
 
 private:
     Q_PRIVATE_SLOT(d, void togglePopup())