#include <QAbstractButton>
#include <QAbstractItemView>
#include <QAbstractProxyModel>
+#include <QApplication>
#include <QModelIndex>
#include <QPainter>
#include <QPaintEvent>
#include <QRect>
+#include <QTimeLine>
SelectionManager::SelectionManager(QAbstractItemView* parent) :
QObject(parent),
m_view(parent),
- m_button(0),
- m_item()
+ m_toggle(0),
+ m_connected(false)
{
connect(parent, SIGNAL(entered(const QModelIndex&)),
this, SLOT(slotEntered(const QModelIndex&)));
connect(parent, SIGNAL(viewportEntered()),
this, SLOT(slotViewportEntered()));
- m_button = new SelectionToggle(m_view->viewport());
- m_button->setCheckable(true);
- m_button->hide();
- connect(m_button, SIGNAL(clicked(bool)),
+ m_toggle = new SelectionToggle(m_view->viewport());
+ m_toggle->setCheckable(true);
+ m_toggle->hide();
+ connect(m_toggle, SIGNAL(clicked(bool)),
this, SLOT(setItemSelected(bool)));
}
void SelectionManager::reset()
{
- m_button->hide();
- m_item = KFileItem();
+ m_toggle->reset();
}
void SelectionManager::slotEntered(const QModelIndex& index)
{
- m_button->hide();
- if (index.isValid() && (index.column() == DolphinModel::Name)) {
- m_item = itemForIndex(index);
+ m_toggle->hide();
+ const bool showToggle = index.isValid() &&
+ (index.column() == DolphinModel::Name) &&
+ (QApplication::mouseButtons() == Qt::NoButton);
+ if (showToggle) {
+ m_toggle->setUrl(urlForIndex(index));
+
+ if (!m_connected) {
+ connect(m_view->model(), SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
+ this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
+ connect(m_view->selectionModel(),
+ SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
+ this,
+ SLOT(slotSelectionChanged(const QItemSelection&, const QItemSelection&)));
+ m_connected = true;
+ }
- connect(m_view->model(), SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
- this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
+ // increase the size of the toggle for large items
+ const int height = m_view->iconSize().height();
+ if (height >= KIconLoader::SizeEnormous) {
+ m_toggle->resize(KIconLoader::SizeMedium, KIconLoader::SizeMedium);
+ } else if (height >= KIconLoader::SizeLarge) {
+ m_toggle->resize(KIconLoader::SizeSmallMedium, KIconLoader::SizeSmallMedium);
+ } else {
+ m_toggle->resize(KIconLoader::SizeSmall, KIconLoader::SizeSmall);
+ }
const QRect rect = m_view->visualRect(index);
- const int gap = 2;
- const int x = rect.right() - m_button->width() - gap;
+ int x = rect.left();
int y = rect.top();
- if (rect.height() <= m_button->height() * 2) {
- // center the button vertically
- y += (rect.height() - m_button->height()) / 2;
- } else {
- y += gap;
+ if (height < KIconLoader::SizeSmallMedium) {
+ // The height is nearly equal to the smallest toggle height.
+ // Assure that the toggle is vertically centered instead
+ // of aligned on the top and gets more horizontal gap.
+ x += 2;
+ y += (rect.height() - m_toggle->height()) / 2;
}
-
- m_button->move(QPoint(x, y));
+ m_toggle->move(QPoint(x, y));
QItemSelectionModel* selModel = m_view->selectionModel();
- m_button->setChecked(selModel->isSelected(index));
- m_button->show();
+ m_toggle->setChecked(selModel->isSelected(index));
+ m_toggle->show();
} else {
- m_item = KFileItem();
+ m_toggle->setUrl(KUrl());
disconnect(m_view->model(), SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
+ disconnect(m_view->selectionModel(),
+ SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
+ this,
+ SLOT(slotSelectionChanged(const QItemSelection&, const QItemSelection&)));
+ m_connected = false;
}
}
void SelectionManager::slotViewportEntered()
{
- m_button->hide();
+ m_toggle->hide();
}
void SelectionManager::setItemSelected(bool selected)
{
emit selectionChanged();
- Q_ASSERT(!m_item.isNull());
- const QModelIndex index = indexForItem(m_item);
- if (index.isValid()) {
- QItemSelectionModel* selModel = m_view->selectionModel();
- if (selected) {
- selModel->select(index, QItemSelectionModel::Select);
- } else {
- selModel->select(index, QItemSelectionModel::Deselect);
+ if (!m_toggle->url().isEmpty()) {
+ const QModelIndex index = indexForUrl(m_toggle->url());
+ if (index.isValid()) {
+ QItemSelectionModel* selModel = m_view->selectionModel();
+ if (selected) {
+ selModel->select(index, QItemSelectionModel::Select);
+ } else {
+ selModel->select(index, QItemSelectionModel::Deselect);
+ }
+ selModel->setCurrentIndex(index, QItemSelectionModel::Current);
}
}
}
Q_UNUSED(parent);
Q_UNUSED(start);
Q_UNUSED(end);
- m_button->hide();
+ m_toggle->hide();
+}
+
+void SelectionManager::slotSelectionChanged(const QItemSelection& selected,
+ const QItemSelection& deselected)
+{
+ // The selection has been changed outside the scope of the selection manager
+ // (e. g. by the rubberband or the "Select All" action). Take care updating
+ // the state of the toggle button.
+ if (!m_toggle->url().isEmpty()) {
+ const QModelIndex index = indexForUrl(m_toggle->url());
+ if (index.isValid()) {
+ if (selected.contains(index)) {
+ m_toggle->setChecked(true);
+ }
+
+ if (deselected.contains(index)) {
+ m_toggle->setChecked(false);
+ }
+ }
+ }
}
-KFileItem SelectionManager::itemForIndex(const QModelIndex& index) const
+KUrl SelectionManager::urlForIndex(const QModelIndex& index) const
{
QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_view->model());
KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
const QModelIndex dirIndex = proxyModel->mapToSource(index);
- return dirModel->itemForIndex(dirIndex);
+ return dirModel->itemForIndex(dirIndex).url();
}
-const QModelIndex SelectionManager::indexForItem(const KFileItem& item) const
+const QModelIndex SelectionManager::indexForUrl(const KUrl& url) const
{
QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_view->model());
KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
- const QModelIndex dirIndex = dirModel->indexForItem(item);
+ const QModelIndex dirIndex = dirModel->indexForUrl(url);
return proxyModel->mapFromSource(dirIndex);
}
projects / dolphin.git / blobdiff