Changeset 8227 in vbox

Timestamp:

Apr 21, 2008 1:54:37 PM (17 years ago)

Author:

vboxsync

Message:

(I) Added empty item to:

1. support context menu in empty list.

allow user to double click this item

empty area to add attachment.

3. see tool-tip when hovering empty viewport && empty item

(II)Added tool-tip to list items.

File:

• trunk/src/VBox/Frontends/VirtualBox/ui/VBoxHardDiskSettings.ui.h (modified) (7 diffs)

trunk/src/VBox/Frontends/VirtualBox/ui/VBoxHardDiskSettings.ui.h

@@ -318 +318 @@
 }
 
+class HDSpaceItem : public QListViewItem
+{
+public:
+
+    enum { HDSpaceItemType = 1011 };
+
+    HDSpaceItem (QListView *aParent)
+        : QListViewItem (aParent)
+    {
+        setSelectable (false);
+    }
+
+    int rtti() const { return HDSpaceItemType; }
+};
+
 class HDListItem : public QListViewItem
 {
@@ -348 +363 @@
 
     int rtti() const { return HDListItemType; }
+
+    QString toolTip()
+    {
+        return QToolTip::textFor (mVector [1]);
+    }
 
     HDListItem* nextSibling() const
@@ -559 +579 @@
     /* rest */
 
+    new HDSpaceItem (mLvHD);
+
     mSlotUniquizer = new HDSlotUniquizer (this);
 
@@ -698 +720 @@
             delete item;
             mPrevItem = 0;
+
+            if (mLvHD->currentItem() &&
+                mLvHD->currentItem()->rtti() == HDSpaceItem::HDSpaceItemType &&
+                mLvHD->currentItem()->itemAbove() &&
+                mLvHD->currentItem()->itemAbove()->rtti() == HDListItem::HDListItemType)
+                mLvHD->setCurrentItem (mLvHD->currentItem()->itemAbove());
         }
     }
@@ -797 +825 @@
 {
     /* Process postponed onCurrentChanged event */
-    mAddAttachmentAct->setEnabled (mLvHD->childCount() < mSlotUniquizer->totalCount());
-    mRemoveAttachmentAct->setEnabled (aItem != NULL);
-    mSelectHardDiskAct->setEnabled (aItem != NULL);
+    mAddAttachmentAct->setEnabled (mLvHD->childCount() <=
+                                   mSlotUniquizer->totalCount());
+    mRemoveAttachmentAct->setEnabled (aItem &&
+                                      aItem->rtti() == HDListItem::HDListItemType);
+    mSelectHardDiskAct->setEnabled (aItem &&
+                                    aItem->rtti() == HDListItem::HDListItemType);
 
     if (aItem == mPrevItem)
@@ -828 +859 @@
                                               const CMachine &aMachine)
 {
-    return mLvHD->lastItem() ?
-        new HDListItem (this, mLvHD, mLvHD->lastItem(), aUniq, aMachine) :
+    QListViewItem *item = mLvHD->lastItem();
+    Assert (item->rtti() == HDSpaceItem::HDSpaceItemType);
+    HDListItem *last = item->itemAbove() &&
+        item->itemAbove()->rtti() == HDListItem::HDListItemType ?
+        static_cast<HDListItem*> (item->itemAbove()) : 0;
+
+    return last ?
+        new HDListItem (this, mLvHD, last, aUniq, aMachine) :
         new HDListItem (this, mLvHD, aUniq, aMachine);
 }
@@ -873 +910 @@
                 break;
 
-            HDListItem *item = mLvHD->currentItem() &&
-                mLvHD->currentItem()->rtti() == HDListItem::HDListItemType ?
-                static_cast<HDListItem*> (mLvHD->currentItem()) : 0;
+            QMouseEvent *e = static_cast<QMouseEvent*> (aEvent);
+            QListViewItem *clickedItem = mLvHD->itemAt (QPoint (e->x(), e->y()));
+            HDListItem *item = clickedItem &&
+                clickedItem->rtti() == HDListItem::HDListItemType ?
+                static_cast<HDListItem*> (clickedItem) : 0;
+
             if (item)
                 item->showEditor();
+            else if (mAddAttachmentAct->isEnabled())
+                addHDItem();
+            break;
+        }
+        /* Process mouse-move as "make tool-tip" action */
+        case QEvent::MouseMove:
+        {
+            if (aObject != mLvHD->viewport())
+                break;
+
+            QMouseEvent *e = static_cast<QMouseEvent*> (aEvent);
+            QListViewItem *hoveredItem = mLvHD->itemAt (QPoint (e->x(), e->y()));
+            HDListItem *item = hoveredItem &&
+                hoveredItem->rtti() == HDListItem::HDListItemType ?
+                static_cast<HDListItem*> (hoveredItem) : 0;
+
+            QString oldTip = QToolTip::textFor (mLvHD->viewport());
+            QString newTip = item ? item->toolTip() :
+                             tr ("Double-click to add new attachment");
+
+            if (newTip != oldTip)
+            {
+                QToolTip::remove (mLvHD->viewport());
+                QToolTip::add (mLvHD->viewport(), newTip);
+            }
             break;
         }