#include <math.h> // trunc on C99 compliant systems
#include <kdefakes.h> // trunc for not C99 compliant systems
-#include <QApplication>
#include <QPainter>
#include <QScrollBar>
#include <QPaintEvent>
#include "kcategorydrawer.h"
#include "kcategorizedsortfilterproxymodel.h"
+// By defining DOLPHIN_DRAGANDDROP the custom drag and drop implementation of
+// KCategorizedView is bypassed to have a consistent drag and drop look for all
+// views. Hopefully transparent pixmaps for drag objects will be supported in
+// Qt 4.4, so that this workaround can be skipped.
+#define DOLPHIN_DRAGANDDROP
+
KCategorizedView::Private::Private(KCategorizedView *listView)
: listView(listView)
, categoryDrawer(0)
, biggestItemSize(QSize(0, 0))
, mouseButtonPressed(false)
+ , rightMouseButtonPressed(false)
, isDragging(false)
, dragLeftViewport(false)
, proxyModel(0)
}
QStyleOption optionCopy = option;
- const QString category = proxyModel->data(index, KCategorizedSortFilterProxyModel::CategoryRole).toString();
+ const QString category = proxyModel->data(index, KCategorizedSortFilterProxyModel::CategoryDisplayRole).toString();
optionCopy.state &= ~QStyle::State_Selected;
int lastItemBottom = cachedRectIndex(lastIndex).top() +
listView->spacing() + (listView->gridSize().isEmpty() ? 0 : listView->gridSize().height()) - listView->viewport()->height();
+ listView->horizontalScrollBar()->setRange(0, 0);
+
listView->verticalScrollBar()->setSingleStep(listView->viewport()->height() / 10);
listView->verticalScrollBar()->setPageStep(listView->viewport()->height());
listView->verticalScrollBar()->setRange(0, lastItemBottom);
}
}
+void KCategorizedView::Private::layoutChanged(bool forceItemReload)
+{
+ if ((listView->viewMode() == KCategorizedView::IconMode) && proxyModel &&
+ categoryDrawer && proxyModel->isCategorizedModel() &&
+ ((forceItemReload ||
+ (modelSortRole != proxyModel->sortRole()) ||
+ (modelSortColumn != proxyModel->sortColumn()) ||
+ (modelSortOrder != proxyModel->sortOrder()) ||
+ (modelLastRowCount != proxyModel->rowCount()) ||
+ (modelCategorized != proxyModel->isCategorizedModel()))))
+ {
+ // Force the view to update all elements
+ listView->rowsInsertedArtifficial(QModelIndex(), 0, proxyModel->rowCount() - 1);
+
+ if (!forceItemReload)
+ {
+ modelSortRole = proxyModel->sortRole();
+ modelSortColumn = proxyModel->sortColumn();
+ modelSortOrder = proxyModel->sortOrder();
+ modelLastRowCount = proxyModel->rowCount();
+ modelCategorized = proxyModel->isCategorizedModel();
+ }
+ }
+ else if ((listView->viewMode() == KCategorizedView::IconMode) && proxyModel &&
+ categoryDrawer && proxyModel->isCategorizedModel())
+ {
+ updateScrollbars();
+ }
+}
+
void KCategorizedView::Private::drawDraggedItems()
{
QRect rectToUpdate;
{
QListView::setGridSize(size);
- slotLayoutChanged();
+ d->layoutChanged(true);
}
void KCategorizedView::setModel(QAbstractItemModel *model)
{
d->lastSelection = QItemSelection();
- d->currentViewIndex = QModelIndex();
d->forcedSelectionPosition = 0;
d->elementsInfo.clear();
d->elementsPosition.clear();
d->modelIndexList.clear();
d->hovered = QModelIndex();
d->mouseButtonPressed = false;
+ d->rightMouseButtonPressed = false;
if (d->proxyModel)
{
{
d->modelSortRole = d->proxyModel->sortRole();
d->modelSortColumn = d->proxyModel->sortColumn();
- d->modelCategorized = true;
d->modelSortOrder = d->proxyModel->sortOrder();
+ d->modelLastRowCount = d->proxyModel->rowCount();
+ d->modelCategorized = d->proxyModel->isCategorizedModel();
QObject::connect(d->proxyModel,
SIGNAL(layoutChanged()),
if (d->proxyModel->rowCount())
{
- rowsInsertedArtifficial(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
+ d->layoutChanged(true);
}
}
else
void KCategorizedView::setCategoryDrawer(KCategoryDrawer *categoryDrawer)
{
d->lastSelection = QItemSelection();
- d->currentViewIndex = QModelIndex();
d->forcedSelectionPosition = 0;
d->elementsInfo.clear();
d->elementsPosition.clear();
d->modelIndexList.clear();
d->hovered = QModelIndex();
d->mouseButtonPressed = false;
+ d->rightMouseButtonPressed = false;
if (!categoryDrawer && d->proxyModel)
{
{
if (d->proxyModel)
{
- rowsInsertedArtifficial(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
+ if (d->proxyModel->rowCount())
+ {
+ d->layoutChanged(true);
+ }
}
}
else
index = item[0];
}
- d->hovered = index;
-
return index;
}
QListView::reset();
d->lastSelection = QItemSelection();
- d->currentViewIndex = QModelIndex();
d->forcedSelectionPosition = 0;
d->elementsInfo.clear();
d->elementsPosition.clear();
d->hovered = QModelIndex();
d->biggestItemSize = QSize(0, 0);
d->mouseButtonPressed = false;
+ d->rightMouseButtonPressed = false;
}
void KCategorizedView::paintEvent(QPaintEvent *event)
option.state |= QStyle::State_Editing;
}
- if ((index == d->hovered) && !d->mouseButtonPressed)
+ // we are only interested to give the mouse over feedback when no
+ // dragging is happening (ereslibre)
+ if ((index == d->hovered) && !d->mouseButtonPressed &&
+ (this->state() == QAbstractItemView::NoState))
option.state |= QStyle::State_MouseOver;
else
option.state &= ~QStyle::State_MouseOver;
// Redraw categories
QStyleOptionViewItem otherOption;
+ bool intersectedInThePast = false;
foreach (const QString &category, d->categories)
{
otherOption = option;
if (otherOption.rect.intersects(area))
{
+ intersectedInThePast = true;
+
QModelIndex indexToDraw = d->proxyModel->index(d->categoriesIndexes[category][0].row(), d->proxyModel->sortColumn());
d->drawNewCategory(indexToDraw,
d->proxyModel->sortRole(), otherOption, &painter);
}
+ else if (intersectedInThePast)
+ {
+ break; // the visible area has been finished, we don't need to keep asking, the rest won't intersect
+ // this is doable because we know that categories are correctly ordered on the list
+ }
}
if (d->mouseButtonPressed && !d->isDragging)
if (flags & QItemSelectionModel::Clear)
{
- if (!rect.intersects(d->categoryVisualRect(d->hoveredCategory)))
- {
- d->lastSelection = QItemSelection();
- }
+ selectionModel()->clear();
+ d->lastSelection.clear();
}
- selectionModel()->clear();
-
QModelIndexList dirtyIndexes = d->intersectionSet(rect);
+ // no items affected, just leave
if (!dirtyIndexes.count())
{
- if (!d->lastSelection.isEmpty() &&
- (rect.intersects(d->categoryVisualRect(d->hoveredCategory)) || d->mouseButtonPressed))
- {
- selectionModel()->select(d->lastSelection, flags);
- }
+ selectionModel()->select(d->lastSelection, QItemSelectionModel::SelectCurrent);
return;
}
- QItemSelection selection;
+ QModelIndex topLeft;
+ QModelIndex bottomRight;
- if (!d->mouseButtonPressed)
+ if (d->mouseButtonPressed || d->rightMouseButtonPressed) // selection with click + drag
{
- selection = QItemSelection(dirtyIndexes[0], dirtyIndexes[0]);
- d->currentViewIndex = dirtyIndexes[0];
- }
- else
- {
- QModelIndex first = dirtyIndexes[0];
- QModelIndex last;
+ QItemSelection selection;
+
+ QModelIndex prev = dirtyIndexes[0];
+ QModelIndex first = prev;
foreach (const QModelIndex &index, dirtyIndexes)
{
- if (last.isValid() && last.row() + 1 != index.row())
- {
- QItemSelectionRange range(first, last);
-
- selection << range;
+ // we have a different interval. non-contiguous items
+ if ((index.row() - prev.row()) > 1) {
+ selection << QItemSelectionRange(first, prev);
first = index;
}
- last = index;
+ prev = index;
}
- if (last.isValid())
- selection << QItemSelectionRange(first, last);
- }
+ selection << QItemSelectionRange(first, prev);
+
+ if (flags & QItemSelectionModel::Current)
+ {
+ if (rect.topLeft() == rect.bottomRight())
+ {
+ selectionModel()->setCurrentIndex(indexAt(rect.topLeft()), QItemSelectionModel::NoUpdate);
+ }
- if (d->lastSelection.count())
- {
- if ((selection.count() == 1) && (selection[0].indexes().count() == 1))
selection.merge(d->lastSelection, flags);
+ }
else
- selection.merge(d->lastSelection, QItemSelectionModel::Select);
+ {
+ selection.merge(selectionModel()->selection(), flags);
+
+ selectionModel()->select(selection, QItemSelectionModel::SelectCurrent);
+
+ return;
+ }
+
+ selectionModel()->select(selection, flags);
}
+ else // selection with click + keyboard keys
+ {
+ QModelIndex topLeftIndex = indexAt(QPoint(rect.topLeft().x(),
+ rect.topLeft().y()));
+ QModelIndex bottomRightIndex = indexAt(QPoint(rect.bottomRight().x(),
+ rect.bottomRight().y()));
+
+ // keyboard selection comes "upside down". Let's normalize it
+ if (topLeftIndex.row() > bottomRightIndex.row())
+ {
+ QModelIndex auxIndex = topLeftIndex;
+ topLeftIndex = bottomRightIndex;
+ bottomRightIndex = auxIndex;
+ }
+
+ int viewportWidth = viewport()->width() - spacing();
+ int itemWidth;
+
+ if (gridSize().isEmpty())
+ {
+ itemWidth = d->biggestItemSize.width();
+ }
+ else
+ {
+ itemWidth = gridSize().width();
+ }
+
+ int itemWidthPlusSeparation = spacing() + itemWidth;
+ int elementsPerRow = viewportWidth / itemWidthPlusSeparation;
+ if (!elementsPerRow)
+ elementsPerRow++;
+
+ QModelIndexList theoricDirty(dirtyIndexes);
+ dirtyIndexes.clear();
+ int first = model()->rowCount();
+ int last = 0;
+
+ foreach (const QModelIndex &index, theoricDirty)
+ {
+ if ((index.row() < first) &&
+ ((((topLeftIndex.row() / elementsPerRow) == (index.row() / elementsPerRow)) &&
+ ((topLeftIndex.row() % elementsPerRow) <= (index.row() % elementsPerRow))) ||
+ (topLeftIndex.row() / elementsPerRow) != (index.row() / elementsPerRow)))
+ {
+ first = index.row();
+ topLeft = index;
+ }
+
+ if ((index.row() > last) &&
+ ((((bottomRightIndex.row() / elementsPerRow) == (index.row() / elementsPerRow)) &&
+ ((bottomRightIndex.row() % elementsPerRow) >= (index.row() % elementsPerRow))) ||
+ (bottomRightIndex.row() / elementsPerRow) != (index.row() / elementsPerRow)))
+ {
+ last = index.row();
+ bottomRight = index;
+ }
+ }
+
+ for (int i = first; i <= last; i++)
+ {
+ dirtyIndexes << model()->index(i, theoricDirty[0].column(), theoricDirty[0].parent());
+ }
+
+ QItemSelection selection(topLeft, bottomRight);
- selectionModel()->select(selection, flags);
+ selectionModel()->select(selection, flags);
+ }
}
void KCategorizedView::mouseMoveEvent(QMouseEvent *event)
return;
}
+ QModelIndexList item = d->intersectionSet(QRect(event->pos(), event->pos()));
+
+ if (item.count() == 1)
+ {
+ d->hovered = item[0];
+ }
+ else
+ {
+ d->hovered = QModelIndex();
+ }
+
const QString previousHoveredCategory = d->hoveredCategory;
d->mousePosition = event->pos();
}
rect = QRect(start, end).intersected(viewport()->rect().adjusted(-16, -16, 16, 16));
-
- //viewport()->update(rect.united(d->lastSelectionRect));
-
- d->lastSelectionRect = rect;
}
}
d->initialPressPosition.setX(d->initialPressPosition.x() +
horizontalOffset());
}
+ else if (event->button() == Qt::RightButton)
+ {
+ d->rightMouseButtonPressed = true;
+ }
QListView::mousePressEvent(event);
+ d->lastSelection = selectionModel()->selection();
+
viewport()->update(d->categoryVisualRect(d->hoveredCategory));
}
void KCategorizedView::mouseReleaseEvent(QMouseEvent *event)
{
d->mouseButtonPressed = false;
+ d->rightMouseButtonPressed = false;
QListView::mouseReleaseEvent(event);
initialPressPosition.setY(initialPressPosition.y() + verticalOffset());
initialPressPosition.setX(initialPressPosition.x() + horizontalOffset());
- QItemSelection selection;
- QItemSelection deselection;
-
if (initialPressPosition == d->initialPressPosition)
{
foreach(const QString &category, d->categories)
{
if (d->categoryVisualRect(category).contains(event->pos()))
{
- foreach (const QModelIndex &index, d->categoriesIndexes[category])
+ QItemSelection selection;
+ QModelIndexList indexList = d->categoriesIndexes[category];
+
+ foreach (const QModelIndex &index, indexList)
{
QModelIndex selectIndex = index.model()->index(index.row(), 0);
- if (!d->lastSelection.contains(selectIndex))
- {
- selection << QItemSelectionRange(selectIndex);
- }
- else
- {
- deselection << QItemSelectionRange(selectIndex);
- }
+ selection << QItemSelectionRange(selectIndex);
}
selectionModel()->select(selection, QItemSelectionModel::Select);
- selectionModel()->select(deselection, QItemSelectionModel::Deselect);
break;
}
}
}
- d->lastSelection = selectionModel()->selection();
-
if (d->hovered.isValid())
viewport()->update(visualRect(d->hovered));
else if (!d->hoveredCategory.isEmpty())
// ARGB window so it is no transparent. Use QAbstractItemView when
// this is fixed on Qt.
// QAbstractItemView::startDrag(supportedActions);
+#if !defined(DOLPHIN_DRAGANDDROP)
QListView::startDrag(supportedActions);
+#endif
d->isDragging = false;
d->mouseButtonPressed = false;
+ d->rightMouseButtonPressed = false;
viewport()->update(d->lastDraggedItemsRect);
}
if ((viewMode() != KCategorizedView::IconMode) || !d->proxyModel ||
!d->categoryDrawer || !d->proxyModel->isCategorizedModel())
{
+#if defined(DOLPHIN_DRAGANDDROP)
+ QAbstractItemView::dragMoveEvent(event);
+#else
QListView::dragMoveEvent(event);
+#endif
return;
}
{
d->dragLeftViewport = true;
+#if defined(DOLPHIN_DRAGANDDROP)
+ QAbstractItemView::dragLeaveEvent(event);
+#else
QListView::dragLeaveEvent(event);
+#endif
+}
+
+void KCategorizedView::dropEvent(QDropEvent *event)
+{
+#if defined(DOLPHIN_DRAGANDDROP)
+ QAbstractItemView::dropEvent(event);
+#else
+ QListView::dropEvent(event);
+#endif
}
QModelIndex KCategorizedView::moveCursor(CursorAction cursorAction,
return QListView::moveCursor(cursorAction, modifiers);
}
- const QModelIndex current = selectionModel()->currentIndex();
+ QModelIndex current = selectionModel()->currentIndex();
+
+ if (!current.isValid())
+ {
+ current = model()->index(0, 0, QModelIndex());
+ selectionModel()->select(current, QItemSelectionModel::NoUpdate);
+ d->forcedSelectionPosition = 0;
+
+ return current;
+ }
int viewportWidth = viewport()->width() - spacing();
int itemWidth;
int itemWidthPlusSeparation = spacing() + itemWidth;
int elementsPerRow = viewportWidth / itemWidthPlusSeparation;
+ if (!elementsPerRow)
+ elementsPerRow++;
QString lastCategory = d->categories.first();
QString theCategory = d->categories.first();
case QAbstractItemView::MoveLeft:
if (layoutDirection() == Qt::RightToLeft)
{
+ if (!(d->elementsInfo[current.row() + 1].relativeOffsetToCategory % elementsPerRow))
+ return current;
+
d->forcedSelectionPosition = d->elementsInfo[current.row() + 1].relativeOffsetToCategory % elementsPerRow;
+#if 0 //follow qt view behavior. lateral movements won't change visual row
if (d->forcedSelectionPosition < 0)
d->forcedSelectionPosition = (d->categoriesIndexes[theCategory].count() - 1) % elementsPerRow;
+#endif
return d->proxyModel->index(current.row() + 1, 0);
}
+ if (!(d->elementsInfo[current.row()].relativeOffsetToCategory % elementsPerRow))
+ return current;
+
d->forcedSelectionPosition = d->elementsInfo[current.row() - 1].relativeOffsetToCategory % elementsPerRow;
+#if 0 //follow qt view behavior. lateral movements won't change visual row
if (d->forcedSelectionPosition < 0)
d->forcedSelectionPosition = (d->categoriesIndexes[theCategory].count() - 1) % elementsPerRow;
+#endif
return d->proxyModel->index(current.row() - 1, 0);
case QAbstractItemView::MoveRight:
if (layoutDirection() == Qt::RightToLeft)
{
+ if (!(d->elementsInfo[current.row()].relativeOffsetToCategory % elementsPerRow))
+ return current;
+
d->forcedSelectionPosition = d->elementsInfo[current.row() - 1].relativeOffsetToCategory % elementsPerRow;
+#if 0 //follow qt view behavior. lateral movements won't change visual row
if (d->forcedSelectionPosition < 0)
d->forcedSelectionPosition = (d->categoriesIndexes[theCategory].count() - 1) % elementsPerRow;
+#endif
return d->proxyModel->index(current.row() - 1, 0);
}
+ if (!(d->elementsInfo[current.row() + 1].relativeOffsetToCategory % elementsPerRow))
+ return current;
+
d->forcedSelectionPosition = d->elementsInfo[current.row() + 1].relativeOffsetToCategory % elementsPerRow;
+#if 0 //follow qt view behavior. lateral movements won't change visual row
if (d->forcedSelectionPosition < 0)
d->forcedSelectionPosition = (d->categoriesIndexes[theCategory].count() - 1) % elementsPerRow;
+#endif
return d->proxyModel->index(current.row() + 1, 0);
if ((viewMode() != KCategorizedView::IconMode) || !d->proxyModel ||
!d->categoryDrawer || !d->proxyModel->isCategorizedModel())
{
- d->lastSelection = QItemSelection();
- d->currentViewIndex = QModelIndex();
d->forcedSelectionPosition = 0;
d->elementsInfo.clear();
d->elementsPosition.clear();
d->hovered = QModelIndex();
d->biggestItemSize = QSize(0, 0);
d->mouseButtonPressed = false;
+ d->rightMouseButtonPressed = false;
return;
}
{
Q_UNUSED(parent);
- d->lastSelection = QItemSelection();
- d->currentViewIndex = QModelIndex();
d->forcedSelectionPosition = 0;
d->elementsInfo.clear();
d->elementsPosition.clear();
d->hovered = QModelIndex();
d->biggestItemSize = QSize(0, 0);
d->mouseButtonPressed = false;
+ d->rightMouseButtonPressed = false;
if (start > end || end < 0 || start < 0 || !d->proxyModel->rowCount())
{
}
// Add all elements mapped to the source model and explore categories
- QString prevCategory = d->proxyModel->data(d->proxyModel->index(0, d->proxyModel->sortColumn()), KCategorizedSortFilterProxyModel::CategoryRole).toString();
+ QString prevCategory = d->proxyModel->data(d->proxyModel->index(0, d->proxyModel->sortColumn()), KCategorizedSortFilterProxyModel::CategoryDisplayRole).toString();
QString lastCategory = prevCategory;
QModelIndexList modelIndexList;
struct Private::ElementInfo elementInfo;
d->modelIndexList << index;
- lastCategory = d->proxyModel->data(index, KCategorizedSortFilterProxyModel::CategoryRole).toString();
+ lastCategory = d->proxyModel->data(index, KCategorizedSortFilterProxyModel::CategoryDisplayRole).toString();
elementInfo.category = lastCategory;
d->categories << prevCategory;
d->updateScrollbars();
+
+ // FIXME: We need to safely save the last selection. This is on my TODO
+ // list (ereslibre).
+ selectionModel()->clear();
}
void KCategorizedView::rowsRemoved(const QModelIndex &parent,
void KCategorizedView::slotLayoutChanged()
{
- if ((viewMode() == KCategorizedView::IconMode) && d->proxyModel &&
- d->categoryDrawer && d->proxyModel->isCategorizedModel() &&
- ((d->modelSortRole != d->proxyModel->sortRole()) ||
- (d->modelSortColumn != d->proxyModel->sortColumn()) ||
- (d->modelSortOrder != d->proxyModel->sortOrder()) ||
- (d->modelCategorized != d->proxyModel->isCategorizedModel())))
- {
- // Force the view to update all elements
- rowsInsertedArtifficial(QModelIndex(), 0, d->proxyModel->rowCount() - 1);
+ d->layoutChanged();
+}
- d->modelSortRole = d->proxyModel->sortRole();
- d->modelSortColumn = d->proxyModel->sortColumn();
- d->modelCategorized = d->proxyModel->isCategorizedModel();
- d->modelSortOrder = d->proxyModel->sortOrder();
+void KCategorizedView::currentChanged(const QModelIndex ¤t,
+ const QModelIndex &previous)
+{
+ // We need to update the forcedSelectionPosition property in order to correctly
+ // navigate after with keyboard using up & down keys
+
+ int viewportWidth = viewport()->width() - spacing();
+
+ int itemHeight;
+ int itemWidth;
+
+ if (gridSize().isEmpty())
+ {
+ itemHeight = d->biggestItemSize.height();
+ itemWidth = d->biggestItemSize.width();
}
- else if ((viewMode() == KCategorizedView::IconMode) && d->proxyModel &&
- d->categoryDrawer && d->proxyModel->isCategorizedModel())
+ else
{
- d->updateScrollbars();
+ itemHeight = gridSize().height();
+ itemWidth = gridSize().width();
}
+
+ int itemWidthPlusSeparation = spacing() + itemWidth;
+ int elementsPerRow = viewportWidth / itemWidthPlusSeparation;
+ if (!elementsPerRow)
+ elementsPerRow++;
+
+ d->forcedSelectionPosition = d->elementsInfo[current.row()].relativeOffsetToCategory % elementsPerRow;
+
+ QListView::currentChanged(current, previous);
}
#include "kcategorizedview.moc"
projects / dolphin.git / blobdiff