kits/interface/ListView.cpp

303 		int32 index;
308 		if (message->GetCurrentSpecifier(&index, &specifier, &what, &property)
314 		switch (propInfo.FindMatch(message, index, &specifier, what,
324 						int32 index;
325 						err = specifier.FindInt32("index", &index);
328 								index = CountItems() - index;
329 							if (index < 0 || index >= CountItems())
333 							Select(index, false);
341 						err = specifier.FindInt32("index", &beg);
395 							int32 index;
396 							err = specifier.FindInt32("index", &index);
399 									index = CountItems() - index;
400 								if (index < 0 || index >= CountItems())
405 									Select(index,
408 									Deselect(index);
415 							err = specifier.FindInt32("index", &beg);
637 	int32 index = IndexOf(where);
655 		&& fTrack->item_index == index) {
659 	if (doubleClick && index >= fFirstSelected && index <= fLastSelected) {
668 		fTrack->item_index = index;
669 		fTrack->was_selected = index >= 0 ? ItemAt(index)->IsSelected() : false;
682 	_DoSelection(index);
700 	int32 index = IndexOf(where);
703 	if (index == fTrack->item_index)
707 	if (index == -1)
708 		index = fTrack->item_index;
711 	if (index == -1)
715 	BListItem* item = ItemAt(index);
718 		_DoSelection(index);
739 	int32 index = IndexOf(where);
740 	if (index == -1) {
744 			index = 0;
746 			index = CountItems() - 1;
749 	// don't scroll if button not pressed or index is invalid
751 	if (fTrack->buttons == 0 || index == -1)
759 	ScrollTo(index);
762 		&& lastIndex != -1 && index != lastIndex) {
765 		BListItem* item = ItemAt(index);
770 			// update selection index
771 			fFirstSelected = fLastSelected = index;
774 			Invalidate(ItemFrame(lastIndex) | ItemFrame(index));
784 BListView::InitiateDrag(BPoint where, int32 index, bool wasSelected)
884 BListView::AddItem(BListItem* item, int32 index)
886 	if (!fList.AddItem(item, index))
889 	if (fFirstSelected != -1 && index <= fFirstSelected)
892 	if (fLastSelected != -1 && index <= fLastSelected)
898 		item->SetTop((index > 0) ? ItemAt(index - 1)->Bottom() + 1.0 : 0.0);
901 		_RecalcItemTops(index + 1);
904 		_InvalidateFrom(index);
922 		int32 index = CountItems() - 1;
923 		item->SetTop((index > 0) ? ItemAt(index - 1)->Bottom() + 1.0 : 0.0);
936 BListView::AddList(BList* list, int32 index)
938 	if (!fList.AddList(list, index))
943 	if (fFirstSelected != -1 && index < fFirstSelected)
946 	if (fLastSelected != -1 && index < fLastSelected)
953 		for (int32 i = index; i <= (index + count - 1); i++) {
958 		_RecalcItemTops(index + count - 1);
976 BListView::RemoveItem(int32 index)
978 	BListItem* item = ItemAt(index);
983 		Deselect(index);
988 	if (fFirstSelected != -1 && index < fFirstSelected)
991 	if (fLastSelected != -1 && index < fLastSelected)
994 	if (fAnchorIndex != -1 && index < fAnchorIndex)
997 	_RecalcItemTops(index);
999 	_InvalidateFrom(index);
1014 BListView::RemoveItems(int32 index, int32 count)
1016 	if (index >= fList.CountItems())
1017 		index = -1;
1019 	if (index < 0)
1022 	if (fAnchorIndex != -1 && index < fAnchorIndex)
1023 		fAnchorIndex = index;
1025 	fList.RemoveItems(index, count);
1026 	if (index < fList.CountItems())
1027 		_RecalcItemTops(index);
1100 BListView::ItemAt(int32 index) const
1102 	return (BListItem*)fList.ItemAt(index);
1111 			int32 index = IndexOf(BPoint(0.0, item->Top()));
1112 			if (index >= 0 && fList.ItemAt(index) == item)
1113 				return index;
1221 BListView::InvalidateItem(int32 index)
1223 	Invalidate(ItemFrame(index));
1228 BListView::ScrollTo(int32 index)
1230 	if (index < 0)
1231 		index = 0;
1232 	if (index > CountItems() - 1)
1233 		index = CountItems() - 1;
1235 	BRect itemFrame = ItemFrame(index);
1258 BListView::Select(int32 index, bool extend)
1260 	if (_Select(index, extend)) {
1278 BListView::IsItemSelected(int32 index) const
1280 	BListItem* item = ItemAt(index);
1289 BListView::CurrentSelection(int32 index) const
1294 	if (index == 0)
1299 			if (index == 0)
1302 			index--;
1336 		clone.AddInt32("index", fFirstSelected);
1341 					clone.AddInt32("index", i);
1379 BListView::Deselect(int32 index)
1381 	if (_Deselect(index)) {
1434 BListView::ReplaceItem(int32 index, BListItem* item)
1438 	data.replace.index = index;
1446 BListView::ItemFrame(int32 index)
1449 	if (index < 0 || index >= CountItems()) {
1453 		BListItem* item = ItemAt(index);
1465 BListView::ResolveSpecifier(BMessage* message, int32 index,
1471 		return BView::ResolveSpecifier(message, index, specifier, what,
1566 			return _ReplaceItem(data->replace.index, data->replace.item);
1673 BListView::_InvalidateFrom(int32 index)
1675 	// make sure index is behind last valid index
1677 	if (index >= count)
1678 		index = count;
1682 	index--;
1684 	if (index >= 0)
1685 		dirty.top = ItemFrame(index).bottom + 1;
1703 /*!	Selects the item at the specified \a index, and returns \c true in
1708 BListView::_Select(int32 index, bool extend)
1710 	if (index < 0 || index >= CountItems())
1721 		changed = _DeselectAll(index, index);
1723 	fAnchorIndex = index;
1725 	BListItem* item = ItemAt(index);
1735 		fFirstSelected = index;
1736 		fLastSelected = index;
1737 	} else if (index < fFirstSelected) {
1738 		fFirstSelected = index;
1739 	} else if (index > fLastSelected) {
1740 		fLastSelected = index;
1745 		InvalidateItem(index);
1796 BListView::_Deselect(int32 index)
1798 	if (index < 0 || index >= CountItems())
1806 	BListItem* item = ItemAt(index);
1809 		BRect frame(ItemFrame(index));
1814 		if (fFirstSelected == index && fLastSelected == index) {
1818 			if (fFirstSelected == index)
1819 				fFirstSelected = _CalcFirstSelected(index);
1821 			if (fLastSelected == index)
1822 				fLastSelected = _CalcLastSelected(index);
1826 			DrawItem(ItemAt(index), frame, true);
1845 	for (int32 index = fFirstSelected; index <= fLastSelected; index++) {
1847 		if (exceptFrom != -1 && exceptFrom <= index && exceptTo >= index)
1850 		BListItem* item = ItemAt(index);
1853 			InvalidateItem(index);
2018 BListView::_ReplaceItem(int32 index, BListItem* item)
2023 	BListItem* old = ItemAt(index);
2027 	BRect frame = ItemFrame(index);
2032 	if (!fList.ReplaceItem(index, item))
2037 		int32 start = std::min(fFirstSelected, index);
2038 		int32 end = std::max(fLastSelected, index);
2042 	_RecalcItemTops(index);
2044 	bool itemHeightChanged = frame != ItemFrame(index);
2050 			_InvalidateFrom(index);
2120 BListView::_DoSelection(int32 index)
2122 	BListItem* item = ItemAt(index);
2125 	if (index < 0 || item == NULL)
2136 			if (index >= fFirstSelected && index < fLastSelected) {
2138 				// except from the first selected index to item index
2139 				DeselectExcept(fFirstSelected, index);
2142 				Select(std::min(index, fFirstSelected),
2143 					std::max(index, fLastSelected));
2148 				Deselect(index);
2150 				Select(index, true);
2152 			Select(index); // eat a click on selected for drag and drop
2158 			Deselect(index);
2160 			Select(index);