bool UIGChooserHandlerMouse::handleMousePress(QGraphicsSceneMouseEvent *pEvent) const
{
/* Get item under mouse cursor: */
QPointF scenePos = pEvent->scenePos();
if (QGraphicsItem *pItemUnderMouse = model()->itemAt(scenePos))
{
/* Which button it was? */
switch (pEvent->button())
{
/* Left one? */
case Qt::LeftButton:
{
/* Which item we just clicked? */
UIGChooserItem *pClickedItem = 0;
/* Was that a group item? */
if (UIGChooserItemGroup *pGroupItem = qgraphicsitem_cast<UIGChooserItemGroup*>(pItemUnderMouse))
pClickedItem = pGroupItem;
/* Or a machine one? */
else if (UIGChooserItemMachine *pMachineItem = qgraphicsitem_cast<UIGChooserItemMachine*>(pItemUnderMouse))
pClickedItem = pMachineItem;
/* If we had clicked one of the required item types: */
if (pClickedItem && pClickedItem->parentItem())
{
/* Old selection list: */
QList<UIGChooserItem*> oldSelectionList = model()->selectionList();
/* Move focus to clicked item: */
model()->setFocusItem(pClickedItem);
/* Was 'shift' modifier pressed? */
if (pEvent->modifiers() == Qt::ShiftModifier)
{
/* Calculate positions: */
UIGChooserItem *pFirstItem = model()->selectionList().first();
int iFirstPosition = model()->navigationList().indexOf(pFirstItem);
int iClickedPosition = model()->navigationList().indexOf(pClickedItem);
/* Clear selection: */
model()->clearSelectionList();
/* Select all the items from 'first' to 'clicked': */
if (iFirstPosition <= iClickedPosition)
for (int i = iFirstPosition; i <= iClickedPosition; ++i)
model()->addToSelectionList(model()->navigationList().at(i));
else
for (int i = iFirstPosition; i >= iClickedPosition; --i)
model()->addToSelectionList(model()->navigationList().at(i));
}
/* Was 'control' modifier pressed? */
else if (pEvent->modifiers() == Qt::ControlModifier)
{
/* Select clicked item, inverting if necessary: */
if (model()->selectionList().contains(pClickedItem))
model()->removeFromSelectionList(pClickedItem);
else
model()->addToSelectionList(pClickedItem);
}
/* Was no modifiers pressed? */
else if (pEvent->modifiers() == Qt::NoModifier)
{
/* Move selection to clicked item: */
model()->clearSelectionList();
model()->addToSelectionList(pClickedItem);
}
/* Selection list changed?: */
if (oldSelectionList != model()->selectionList())
model()->notifySelectionChanged();
}
break;
}
/* Right one? */
case Qt::RightButton:
{
/* Which item we just clicked? */
UIGChooserItem *pClickedItem = 0;
/* Was that a group item? */
if (UIGChooserItemGroup *pGroupItem = qgraphicsitem_cast<UIGChooserItemGroup*>(pItemUnderMouse))
pClickedItem = pGroupItem;
/* Or a machine one? */
else if (UIGChooserItemMachine *pMachineItem = qgraphicsitem_cast<UIGChooserItemMachine*>(pItemUnderMouse))
pClickedItem = pMachineItem;
/* If we had clicked one of the required item types: */
if (pClickedItem)
{
/* For non-root items: */
if (pClickedItem->parentItem())
{
/* Is clicked item in selection list: */
bool fIsClickedItemInSelectionList = contains(model()->selectionList(), pClickedItem);
/* Move focus to clicked item (with selection if not selected yet): */
model()->setFocusItem(pClickedItem, !fIsClickedItemInSelectionList);
}
}
break;
}
default:
break;
}
}
/* Pass all other events: */
return false;
}
bool UIGChooserHandlerKeyboard::handleKeyPress(QKeyEvent *pEvent) const
{
/* Which key it was? */
switch (pEvent->key())
{
/* Key UP? */
case Qt::Key_Up:
{
/* Not during sliding: */
if (model()->isSlidingInProgress())
return false;
/* Was control modifier pressed? */
#ifdef Q_WS_MAC
if (pEvent->modifiers() & Qt::ControlModifier &&
pEvent->modifiers() & Qt::KeypadModifier)
#else /* Q_WS_MAC */
if (pEvent->modifiers() == Qt::ControlModifier)
#endif /* !Q_WS_MAC */
{
/* Get focus and his parent: */
UIGChooserItem *pFocusItem = model()->focusItem();
UIGChooserItem *pParentItem = pFocusItem->parentItem();
UIGChooserItemType type = (UIGChooserItemType)pFocusItem->type();
QList<UIGChooserItem*> items = pParentItem->items(type);
int iFocusPosition = items.indexOf(pFocusItem);
if (iFocusPosition > 0)
{
items.move(iFocusPosition, iFocusPosition - 1);
pParentItem->setItems(items, type);
model()->updateNavigation();
model()->updateLayout();
}
/* Filter-out this event: */
return true;
}
/* Was shift modifier pressed? */
#ifdef Q_WS_MAC
else if (pEvent->modifiers() & Qt::ShiftModifier &&
pEvent->modifiers() & Qt::KeypadModifier)
#else /* Q_WS_MAC */
else if (pEvent->modifiers() == Qt::ShiftModifier)
#endif /* !Q_WS_MAC */
{
/* Determine focus item position: */
int iPosition = model()->navigationList().indexOf(model()->focusItem());
/* Determine 'previous' item: */
UIGChooserItem *pPreviousItem = iPosition > 0 ?
model()->navigationList().at(iPosition - 1) : 0;
if (pPreviousItem)
{
/* Make sure 'previous' item is visible: */
pPreviousItem->makeSureItsVisible();
/* Move focus to 'previous' item: */
model()->setFocusItem(pPreviousItem);
/* Calculate positions: */
UIGChooserItem *pFirstItem = model()->selectionList().first();
int iFirstPosition = model()->navigationList().indexOf(pFirstItem);
int iPreviousPosition = model()->navigationList().indexOf(pPreviousItem);
/* Clear selection: */
model()->clearSelectionList();
/* Select all the items from 'first' to 'previous': */
if (iFirstPosition <= iPreviousPosition)
for (int i = iFirstPosition; i <= iPreviousPosition; ++i)
model()->addToSelectionList(model()->navigationList().at(i));
else
for (int i = iFirstPosition; i >= iPreviousPosition; --i)
model()->addToSelectionList(model()->navigationList().at(i));
/* Notify selection changed: */
model()->notifySelectionChanged();
/* Filter-out this event: */
return true;
}
}
/* There is no modifiers pressed? */
#ifdef Q_WS_MAC
else if (pEvent->modifiers() == Qt::KeypadModifier)
#else /* Q_WS_MAC */
else if (pEvent->modifiers() == Qt::NoModifier)
#endif /* !Q_WS_MAC */
{
/* Determine focus item position: */
int iPosition = model()->navigationList().indexOf(model()->focusItem());
/* Determine 'previous' item: */
UIGChooserItem *pPreviousItem = iPosition > 0 ?
model()->navigationList().at(iPosition - 1) : 0;
if (pPreviousItem)
{
/* Make sure 'previous' item is visible: */
pPreviousItem->makeSureItsVisible();
/* Move focus to 'previous' item: */
model()->setFocusItem(pPreviousItem);
/* Move selection to 'previous' item: */
model()->clearSelectionList();
model()->addToSelectionList(pPreviousItem);
/* Notify selection changed: */
model()->notifySelectionChanged();
/* Filter-out this event: */
return true;
}
}
/* Pass this event: */
return false;
}
/* Key DOWN? */
case Qt::Key_Down:
{
/* Not during sliding: */
if (model()->isSlidingInProgress())
return false;
/* Was control modifier pressed? */
#ifdef Q_WS_MAC
if (pEvent->modifiers() & Qt::ControlModifier &&
pEvent->modifiers() & Qt::KeypadModifier)
#else /* Q_WS_MAC */
if (pEvent->modifiers() == Qt::ControlModifier)
#endif /* !Q_WS_MAC */
{
/* Get focus and his parent: */
UIGChooserItem *pFocusItem = model()->focusItem();
UIGChooserItem *pParentItem = pFocusItem->parentItem();
UIGChooserItemType type = (UIGChooserItemType)pFocusItem->type();
QList<UIGChooserItem*> items = pParentItem->items(type);
int iFocusPosition = items.indexOf(pFocusItem);
if (iFocusPosition < items.size() - 1)
{
items.move(iFocusPosition, iFocusPosition + 1);
pParentItem->setItems(items, type);
model()->updateNavigation();
model()->updateLayout();
}
/* Filter-out this event: */
return true;
}
/* Was shift modifier pressed? */
#ifdef Q_WS_MAC
else if (pEvent->modifiers() & Qt::ShiftModifier &&
pEvent->modifiers() & Qt::KeypadModifier)
#else /* Q_WS_MAC */
else if (pEvent->modifiers() == Qt::ShiftModifier)
#endif /* !Q_WS_MAC */
{
/* Determine focus item position: */
int iPosition = model()->navigationList().indexOf(model()->focusItem());
/* Determine 'next' item: */
UIGChooserItem *pNextItem = iPosition < model()->navigationList().size() - 1 ?
model()->navigationList().at(iPosition + 1) : 0;
if (pNextItem)
{
/* Make sure 'next' item is visible: */
pNextItem->makeSureItsVisible();
/* Move focus to 'next' item: */
model()->setFocusItem(pNextItem);
/* Calculate positions: */
UIGChooserItem *pFirstItem = model()->selectionList().first();
int iFirstPosition = model()->navigationList().indexOf(pFirstItem);
int iNextPosition = model()->navigationList().indexOf(pNextItem);
/* Clear selection: */
model()->clearSelectionList();
/* Select all the items from 'first' to 'next': */
if (iFirstPosition <= iNextPosition)
for (int i = iFirstPosition; i <= iNextPosition; ++i)
model()->addToSelectionList(model()->navigationList().at(i));
else
for (int i = iFirstPosition; i >= iNextPosition; --i)
model()->addToSelectionList(model()->navigationList().at(i));
/* Notify selection changed: */
model()->notifySelectionChanged();
/* Filter-out this event: */
return true;
}
}
/* There is no modifiers pressed? */
#ifdef Q_WS_MAC
else if (pEvent->modifiers() == Qt::KeypadModifier)
#else /* Q_WS_MAC */
else if (pEvent->modifiers() == Qt::NoModifier)
#endif /* !Q_WS_MAC */
{
/* Determine focus item position: */
int iPosition = model()->navigationList().indexOf(model()->focusItem());
/* Determine 'next' item: */
UIGChooserItem *pNextItem = iPosition < model()->navigationList().size() - 1 ?
model()->navigationList().at(iPosition + 1) : 0;
if (pNextItem)
{
/* Make sure 'next' item is visible: */
pNextItem->makeSureItsVisible();
/* Move focus to 'next' item: */
model()->setFocusItem(pNextItem);
/* Move selection to 'next' item: */
model()->clearSelectionList();
model()->addToSelectionList(pNextItem);
/* Notify selection changed: */
model()->notifySelectionChanged();
/* Filter-out this event: */
return true;
}
}
/* Pass this event: */
return false;
}
/* Key LEFT? */
case Qt::Key_Left:
{
/* If there is a focus item: */
if (UIGChooserItem *pFocusItem = model()->focusItem())
{
/* Of the known type: */
switch (pFocusItem->type())
{
case UIGChooserItemType_Group:
case UIGChooserItemType_Machine:
{
/* Unindent root if its NOT main: */
if (model()->root() != model()->mainRoot())
model()->unindentRoot();
break;
}
default:
break;
}
}
/* Pass that event: */
return false;
}
/* Key RIGHT? */
case Qt::Key_Right:
{
/* If there is focus item: */
if (UIGChooserItem *pFocusItem = model()->focusItem())
{
/* Of the group type: */
if (pFocusItem->type() == UIGChooserItemType_Group)
{
/* Indent root with this item: */
model()->indentRoot(pFocusItem);
}
}
/* Pass that event: */
return false;
}
/* Key F2? */
case Qt::Key_F2:
{
/* If this item is of group type: */
if (model()->focusItem()->type() == UIGChooserItemType_Group)
{
/* Start embedded editing focus item: */
model()->focusItem()->startEditing();
/* Filter that event out: */
return true;
}
/* Pass event to other items: */
return false;
}
case Qt::Key_Return:
case Qt::Key_Enter:
{
/* Activate item: */
model()->activate();
/* And filter out that event: */
return true;
}
case Qt::Key_Space:
{
/* If there is a focus item: */
if (UIGChooserItem *pFocusItem = model()->focusItem())
{
/* Of the group type: */
if (pFocusItem->type() == UIGChooserItemType_Group)
{
/* Toggle that group: */
UIGChooserItemGroup *pGroupItem = pFocusItem->toGroupItem();
if (pGroupItem->closed())
pGroupItem->open();
else
pGroupItem->close();
/* Filter that event out: */
return true;
}
}
/* Pass event to other items: */
return false;
}
default:
break;
}
/* Pass all other events: */
return false;
}
