/**
* Sets a new current item based on key events in the edit box.
* This slot is connected to the keyPressed() signal of the edit widget.
* @param pKey The key evant passed by the edit box
*/
void SearchList::slotKeyPressed(QKeyEvent* pKey)
{
QListViewItem* pItem, * pNewItem;
int nPageSize, nPos;
// Select the current item, or the first one if there is no current item
pItem = m_pList->currentItem();
// Set a new current item based on the pressed key
switch (pKey->key()) {
case Qt::Key_Up:
if (pItem) {
for (pNewItem = pItem->itemAbove();
pNewItem && !SEARCH_MATCH(pNewItem);
pNewItem = pNewItem->itemAbove());
if (pNewItem)
pItem = pNewItem;
}
break;
case Qt::Key_Down:
if (pItem) {
for (pNewItem = pItem->itemBelow();
pNewItem && !SEARCH_MATCH(pNewItem);
pNewItem = pNewItem->itemBelow());
if (pNewItem)
pItem = pNewItem;
}
break;
case Qt::Key_PageUp:
nPageSize = m_pList->visibleHeight() / pItem->height();
for (nPos = 0;
pItem && pItem->itemAbove() && (nPos < nPageSize);
nPos++)
pItem = pItem->itemAbove();
break;
case Qt::Key_PageDown:
nPageSize = m_pList->visibleHeight() / pItem->height();
for (nPos = 0;
pItem && pItem->itemBelow() && (nPos < nPageSize);
nPos++)
pItem = pItem->itemBelow();
break;
default:
pKey->ignore();
return;
}
// Select the first item if no other item was selected
if (pItem == NULL)
pItem = m_pList->firstChild();
// Select the new item
if (pItem) {
m_pList->setSelected(pItem, true);
m_pList->ensureItemVisible(pItem);
}
}
/**
* Sets a new current item based on key events in the edit box.
* This slot is connected to the keyPressed() signal of the edit widget.
* @param pKey The key evant passed by the edit box
*/
void SearchList::slotKeyPressed(QKeyEvent* pKey)
{
QTreeWidgetItem *pItem, *pNewItem;
QModelIndex index;
int nPageSize;
int key = pKey->key();
// Select the current item, or the first one if there is no current item
pItem = m_pList->currentItem();
if ((key == Qt::Key_PageUp) || (key == Qt::Key_PageDown)){
nPageSize = m_pList->contentsRect().height() / m_pList->sizeHintForRow(0);
index = m_pList->currentIndex();
}
// Set a new current item based on the pressed key
switch (key) {
case Qt::Key_Up:
if (pItem) {
for (pNewItem = m_pList->itemAbove(pItem);
pNewItem && !SEARCH_MATCH(pNewItem);
pNewItem = m_pList->itemAbove(pNewItem));
if (pNewItem)
pItem = pNewItem;
}
break;
case Qt::Key_Down:
if (pItem) {
for (pNewItem = m_pList->itemBelow(pItem);
pNewItem && !SEARCH_MATCH(pNewItem);
pNewItem = m_pList->itemBelow(pNewItem));
if (pNewItem)
pItem = pNewItem;
}
break;
case Qt::Key_PageUp:
pNewItem = m_pList->topLevelItem(index.row() - (nPageSize - 1));
if ( pNewItem != NULL ){
m_pList->scrollToItem(pNewItem, QAbstractItemView::EnsureVisible);
pItem = pNewItem;
} else {
m_pList->scrollToTop();
pItem = m_pList->topLevelItem(0);
}
break;
case Qt::Key_PageDown:
pNewItem = m_pList->topLevelItem(index.row() + (nPageSize - 1));
if ( pNewItem != NULL ){
m_pList->scrollToItem(pNewItem, QAbstractItemView::EnsureVisible);
pItem = pNewItem;
} else {
m_pList->scrollToBottom();
pItem = m_pList->topLevelItem(m_pList->topLevelItemCount() - 1);
}
break;
default:
pKey->ignore();
return;
}
// Select the first item if no other item was selected
if (pItem == NULL)
pItem = m_pList->topLevelItem(0);
// Select the new item
if (pItem) {
pItem->setSelected(true);
pItem->setHidden(false);
m_pList->setCurrentItem(pItem);
}
}
