#include "dolphindetailsview.h"
+#include "dolphinmodel.h"
#include "dolphincontroller.h"
+#include "dolphinsettings.h"
#include "dolphinsortfilterproxymodel.h"
+#include "draganddrophelper.h"
#include "viewproperties.h"
-#include <assert.h>
+#include "dolphin_detailsmodesettings.h"
+
#include <kdirmodel.h>
+#include <klocale.h>
+#include <kmenu.h>
+
+#include <QAbstractProxyModel>
+#include <QAction>
+#include <QApplication>
#include <QHeaderView>
+#include <QRubberBand>
+#include <QPainter>
+#include <QScrollBar>
DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
QTreeView(parent),
- m_controller(controller)
+ m_controller(controller),
+ m_font(),
+ m_decorationSize(),
+ m_clearAdditionalInfo(false),
+ m_dragging(false),
+ m_showElasticBand(false),
+ m_elasticBandOrigin(),
+ m_elasticBandDestination()
{
- assert(controller != 0);
+ Q_ASSERT(controller != 0);
setAcceptDrops(true);
setRootIsDecorated(false);
setSortingEnabled(true);
setUniformRowHeights(true);
+ setSelectionBehavior(SelectItems);
+ setDragDropMode(QAbstractItemView::DragDrop);
+ setDropIndicatorShown(false);
+ setAlternatingRowColors(true);
+ setItemsExpandable(false);
+
+ setMouseTracking(true);
+ viewport()->setAttribute(Qt::WA_Hover);
const ViewProperties props(controller->url());
setSortIndicatorSection(props.sorting());
setSortIndicatorOrder(props.sortOrder());
- connect(header(), SIGNAL(sectionClicked(int)),
+ QHeaderView* headerView = header();
+ connect(headerView, SIGNAL(sectionClicked(int)),
this, SLOT(synchronizeSortingState(int)));
+ headerView->setContextMenuPolicy(Qt::CustomContextMenu);
+ connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
+ this, SLOT(configureColumns(const QPoint&)));
connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
- connect(this, SIGNAL(clicked(const QModelIndex&)),
- controller, SLOT(triggerItem(const QModelIndex&)));
+ // TODO: Connecting to the signal 'activated()' is not possible, as kstyle
+ // does not forward the single vs. doubleclick to it yet (KDE 4.1?). Hence it is
+ // necessary connecting the signal 'singleClick()' or 'doubleClick' and to handle the
+ // RETURN-key in keyPressEvent().
+ if (KGlobalSettings::singleClick()) {
+ connect(this, SIGNAL(clicked(const QModelIndex&)),
+ this, SLOT(triggerItem(const QModelIndex&)));
+ } else {
+ connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
+ this, SLOT(triggerItem(const QModelIndex&)));
+ }
+ connect(this, SIGNAL(entered(const QModelIndex&)),
+ this, SLOT(slotEntered(const QModelIndex&)));
+ connect(this, SIGNAL(viewportEntered()),
+ controller, SLOT(emitViewportEntered()));
+ connect(controller, SIGNAL(zoomIn()),
+ this, SLOT(zoomIn()));
+ connect(controller, SIGNAL(zoomOut()),
+ this, SLOT(zoomOut()));
+ connect(controller->dolphinView(), SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
+ this, SLOT(updateColumnVisibility()));
+
+ // apply the details mode settings to the widget
+ const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ Q_ASSERT(settings != 0);
+
+ m_font = QFont(settings->fontFamily(), settings->fontSize());
+
+// TODO: Remove this check when 4.3.2 is released and KDE requires it... this
+// check avoids a division by zero happening on versions before 4.3.1.
+// Right now KDE in theory can be shipped with Qt 4.3.0 and above.
+// ereslibre
+#if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
+ setVerticalScrollMode(QTreeView::ScrollPerPixel);
+ setHorizontalScrollMode(QTreeView::ScrollPerPixel);
+#endif
+
+ updateDecorationSize();
+
+ setFocus();
}
DolphinDetailsView::~DolphinDetailsView()
bool DolphinDetailsView::event(QEvent* event)
{
if (event->type() == QEvent::Polish) {
- // Assure that by respecting the available width that:
- // - the 'Name' column is stretched as large as possible
- // - the remaining columns are as small as possible
QHeaderView* headerView = header();
- headerView->setStretchLastSection(false);
- headerView->setResizeMode(QHeaderView::ResizeToContents);
- headerView->setResizeMode(0, QHeaderView::Stretch);
+ headerView->setResizeMode(QHeaderView::Interactive);
+ headerView->setMovable(false);
+
+ updateColumnVisibility();
+
+ hideColumn(DolphinModel::Rating);
+ hideColumn(DolphinModel::Tags);
+ }
+// TODO: Remove this check when 4.3.2 is released and KDE requires it... this
+// check avoids a division by zero happening on versions before 4.3.1.
+// Right now KDE in theory can be shipped with Qt 4.3.0 and above.
+// ereslibre
+#if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
+ else if (event->type() == QEvent::UpdateRequest) {
+ // a wheel movement will scroll 4 items
+ if (model()->rowCount() > 0) {
+ verticalScrollBar()->setSingleStep((sizeHintForRow(0) / 3) * 4);
+ }
}
+#endif
return QTreeView::event(event);
}
+
QStyleOptionViewItem DolphinDetailsView::viewOptions() const
{
- return QTreeView::viewOptions();
-
- // TODO: the view options should been read from the settings;
- // the following code is just for testing...
- //QStyleOptionViewItem options = QTreeView::viewOptions();
- //options.decorationAlignment = Qt::AlignRight;
- //options.decorationPosition = QStyleOptionViewItem::Right;
- //options.decorationSize = QSize(100, 100);
- //options.showDecorationSelected = true;
- //options.state = QStyle::State_MouseOver;
- //return options;
+ QStyleOptionViewItem viewOptions = QTreeView::viewOptions();
+ viewOptions.font = m_font;
+ viewOptions.showDecorationSelected = true;
+ viewOptions.decorationSize = m_decorationSize;
+ return viewOptions;
}
void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
{
QTreeView::contextMenuEvent(event);
- m_controller->triggerContextMenuRequest(event->pos(),
- event->globalPos());
+ m_controller->triggerContextMenuRequest(event->pos());
+}
+
+void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
+{
+ m_controller->requestActivation();
+
+ QTreeView::mousePressEvent(event);
+
+ const QModelIndex index = indexAt(event->pos());
+ if (!index.isValid() || (index.column() != DolphinModel::Name)) {
+ const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
+ if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
+ clearSelection();
+ }
+ }
+
+ if (event->button() == Qt::LeftButton) {
+ m_showElasticBand = true;
+
+ const QPoint pos(contentsPos());
+ m_elasticBandOrigin = event->pos();
+ m_elasticBandOrigin.setX(m_elasticBandOrigin.x() + pos.x());
+ m_elasticBandOrigin.setY(m_elasticBandOrigin.y() + pos.y());
+ m_elasticBandDestination = event->pos();
+ }
+}
+
+void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
+{
+ if (m_showElasticBand) {
+ const QPoint mousePos = event->pos();
+ const QModelIndex index = indexAt(mousePos);
+ if (!index.isValid()) {
+ // the destination of the selection rectangle is above the viewport. In this
+ // case QTreeView does no selection at all, which is not the wanted behavior
+ // in Dolphin -> select all items within the elastic band rectangle
+ clearSelection();
+
+ const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
+ QRect selRect = QRect(m_elasticBandOrigin, m_elasticBandDestination).normalized();
+ const QRect nameColumnsRect(0, 0, nameColumnWidth, viewport()->height());
+ selRect = nameColumnsRect.intersected(selRect);
+
+ setSelection(selRect, QItemSelectionModel::Select);
+ }
+
+ QTreeView::mouseMoveEvent(event);
+ updateElasticBand();
+ } else {
+ QTreeView::mouseMoveEvent(event);
+ }
}
void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
{
QTreeView::mouseReleaseEvent(event);
- m_controller->triggerActivation();
+ if (m_showElasticBand) {
+ updateElasticBand();
+ m_showElasticBand = false;
+ }
+}
+
+void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
+{
+ DragAndDropHelper::startDrag(this, supportedActions);
}
void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
if (event->mimeData()->hasUrls()) {
event->acceptProposedAction();
}
+
+ if (m_showElasticBand) {
+ updateElasticBand();
+ m_showElasticBand = false;
+ }
+ m_dragging = true;
}
-void DolphinDetailsView::dropEvent(QDropEvent* event)
+void DolphinDetailsView::dragLeaveEvent(QDragLeaveEvent* event)
{
- QTreeView::dropEvent(event);
- // TODO: temporary deactivated until DolphinController will support this
+ QTreeView::dragLeaveEvent(event);
+
+ // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+ m_dragging = false;
+ setDirtyRegion(m_dropRect);
+}
+
+void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
+{
+ QTreeView::dragMoveEvent(event);
- /*const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
+ // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+ setDirtyRegion(m_dropRect);
+ const QModelIndex index = indexAt(event->pos());
+ if (!index.isValid() || (index.column() != DolphinModel::Name)) {
+ m_dragging = false;
+ } else {
+ m_dragging = true;
+ const KFileItem item = itemForIndex(index);
+ if (!item.isNull() && item.isDir()) {
+ m_dropRect = visualRect(index);
+ } else {
+ m_dropRect.setSize(QSize()); // set as invalid
+ }
+ setDirtyRegion(m_dropRect);
+ }
+
+ if (event->mimeData()->hasUrls()) {
+ // accept url drops, independently from the destination item
+ event->acceptProposedAction();
+ }
+}
+
+void DolphinDetailsView::dropEvent(QDropEvent* event)
+{
+ const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
if (!urls.isEmpty()) {
event->acceptProposedAction();
+ const QModelIndex index = indexAt(event->pos());
+ KFileItem item;
+ if (index.isValid() && (index.column() == DolphinModel::Name)) {
+ item = itemForIndex(index);
+ }
+ m_controller->indicateDroppedUrls(urls,
+ m_controller->url(),
+ item);
+ }
+ QTreeView::dropEvent(event);
+ m_dragging = false;
+}
+
+void DolphinDetailsView::paintEvent(QPaintEvent* event)
+{
+ QTreeView::paintEvent(event);
+ if (m_showElasticBand) {
+ // The following code has been taken from QListView
+ // and adapted to DolphinDetailsView.
+ // (C) 1992-2007 Trolltech ASA
+ QStyleOptionRubberBand opt;
+ opt.initFrom(this);
+ opt.shape = QRubberBand::Rectangle;
+ opt.opaque = false;
+ opt.rect = elasticBandRect();
- // TODO: handle dropping above a directory
+ QPainter painter(viewport());
+ painter.save();
+ style()->drawControl(QStyle::CE_RubberBand, &opt, &painter);
+ painter.restore();
+ }
+
+ // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+ if (m_dragging) {
+ const QBrush& brush = viewOptions().palette.brush(QPalette::Normal, QPalette::Highlight);
+ DragAndDropHelper::drawHoverIndication(this, m_dropRect, brush);
+ }
+}
+
+void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
+{
+ QTreeView::keyPressEvent(event);
- const KUrl& destination = m_controller->url();
- m_controller->emitDropUrlsSignal(urls, destination);
- }*/
+ const QItemSelectionModel* selModel = selectionModel();
+ const QModelIndex currentIndex = selModel->currentIndex();
+ const bool trigger = currentIndex.isValid()
+ && (event->key() == Qt::Key_Return)
+ && (selModel->selectedIndexes().count() <= 1);
+ if (trigger) {
+ triggerItem(currentIndex);
+ }
+}
+
+void DolphinDetailsView::resizeEvent(QResizeEvent* event)
+{
+ QTreeView::resizeEvent(event);
+
+ // TODO: There seems to be no easy way to find out whether the resize event
+ // has been triggered because of resizing the window or by adjusting the column-width
+ // by a left mouse-click (the columns should only be resized automatically when the window
+ // size is adjusted). The following workaround works well, but it should be
+ // considered solving this in a more transparent way.
+ if (!(QApplication::mouseButtons() & Qt::LeftButton)) {
+ resizeColumns();
+ }
+}
+
+void DolphinDetailsView::closeEvent(QCloseEvent* event)
+{
+ if (m_clearAdditionalInfo) {
+ disconnect(m_controller->dolphinView(), SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
+ this, SLOT(updateColumnVisibility()));
+
+ KFileItemDelegate::InformationList info;
+ info.append(KFileItemDelegate::NoInformation);
+ m_controller->indicateAdditionalInfoChange(info);
+ m_clearAdditionalInfo = false;
+ }
+ QTreeView::closeEvent(event);
}
void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
m_controller->indicateSortOrderChange(sortOrder);
}
+void DolphinDetailsView::slotEntered(const QModelIndex& index)
+{
+ const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
+ const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
+ if (pos.x() < nameColumnWidth) {
+ m_controller->emitItemEntered(itemForIndex(index));
+ }
+ else {
+ m_controller->emitViewportEntered();
+ }
+}
+
+void DolphinDetailsView::updateElasticBand()
+{
+ if (m_showElasticBand) {
+ QRect dirtyRegion(elasticBandRect());
+ m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
+ dirtyRegion = dirtyRegion.united(elasticBandRect());
+ setDirtyRegion(dirtyRegion);
+ }
+}
+
+QRect DolphinDetailsView::elasticBandRect() const
+{
+ const QPoint pos(contentsPos());
+ const QPoint topLeft(m_elasticBandOrigin.x() - pos.x(), m_elasticBandOrigin.y() - pos.y());
+ return QRect(topLeft, m_elasticBandDestination).normalized();
+}
+
+void DolphinDetailsView::zoomIn()
+{
+ if (isZoomInPossible()) {
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ switch (settings->iconSize()) {
+ case KIconLoader::SizeSmall: settings->setIconSize(KIconLoader::SizeMedium); break;
+ case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeLarge); break;
+ default: Q_ASSERT(false); break;
+ }
+ updateDecorationSize();
+ }
+}
+
+void DolphinDetailsView::zoomOut()
+{
+ if (isZoomOutPossible()) {
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ switch (settings->iconSize()) {
+ case KIconLoader::SizeLarge: settings->setIconSize(KIconLoader::SizeMedium); break;
+ case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeSmall); break;
+ default: Q_ASSERT(false); break;
+ }
+ updateDecorationSize();
+ }
+}
+
+void DolphinDetailsView::triggerItem(const QModelIndex& index)
+{
+ const KFileItem item = itemForIndex(index);
+ if (index.isValid() && (index.column() == KDirModel::Name)) {
+ m_controller->triggerItem(item);
+ } else {
+ clearSelection();
+ m_controller->emitItemEntered(item);
+ }
+}
+
+void DolphinDetailsView::configureColumns(const QPoint& pos)
+{
+ KMenu popup(this);
+ popup.addTitle(i18nc("@title:menu", "Columns"));
+
+ QHeaderView* headerView = header();
+ for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
+ const int logicalIndex = headerView->logicalIndex(i);
+ const QString text = model()->headerData(i, Qt::Horizontal).toString();
+ QAction* action = popup.addAction(text);
+ action->setCheckable(true);
+ action->setChecked(!headerView->isSectionHidden(logicalIndex));
+ action->setData(i);
+ }
+
+ QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
+ if (activatedAction != 0) {
+ const bool show = activatedAction->isChecked();
+ const int columnIndex = activatedAction->data().toInt();
+
+ KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
+ const KFileItemDelegate::Information info = infoForColumn(columnIndex);
+ if (show) {
+ Q_ASSERT(!list.contains(info));
+ list.append(info);
+ } else {
+ Q_ASSERT(list.contains(info));
+ const int index = list.indexOf(info);
+ list.removeAt(index);
+ }
+
+ m_controller->indicateAdditionalInfoChange(list);
+ setColumnHidden(columnIndex, !show);
+ }
+}
+
+void DolphinDetailsView::updateColumnVisibility()
+{
+ KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
+ const bool useDefaultColumns = !isVisible() &&
+ (list.isEmpty() ||
+ list.contains(KFileItemDelegate::NoInformation));
+ if (useDefaultColumns) {
+ // Using the details view without any additional information (-> additional column)
+ // makes no sense and leads to a usability problem as no viewport area is available
+ // anymore. Hence as fallback provide at least a size and date column.
+ list.clear();
+ list.append(KFileItemDelegate::Size);
+ list.append(KFileItemDelegate::ModificationTime);
+ m_controller->indicateAdditionalInfoChange(list);
+ m_clearAdditionalInfo = true;
+ }
+
+ for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
+ const KFileItemDelegate::Information info = infoForColumn(i);
+ const bool hide = !list.contains(info);
+ if (isColumnHidden(i) != hide) {
+ setColumnHidden(i, hide);
+ m_clearAdditionalInfo = false;
+ }
+ }
+
+ resizeColumns();
+}
+
+bool DolphinDetailsView::isZoomInPossible() const
+{
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ return settings->iconSize() < KIconLoader::SizeLarge;
+}
+
+bool DolphinDetailsView::isZoomOutPossible() const
+{
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ return settings->iconSize() > KIconLoader::SizeSmall;
+}
+
+void DolphinDetailsView::updateDecorationSize()
+{
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ const int iconSize = settings->iconSize();
+ m_decorationSize = QSize(iconSize, iconSize);
+
+ m_controller->setZoomInPossible(isZoomInPossible());
+ m_controller->setZoomOutPossible(isZoomOutPossible());
+
+ doItemsLayout();
+}
+
+QPoint DolphinDetailsView::contentsPos() const
+{
+ // implementation note: the horizonal position is ignored currently, as no
+ // horizontal scrolling is done anyway during a selection
+ const QScrollBar* scrollbar = verticalScrollBar();
+ Q_ASSERT(scrollbar != 0);
+
+ const int maxHeight = maximumViewportSize().height();
+ const int height = scrollbar->maximum() - scrollbar->minimum() + 1;
+ const int visibleHeight = model()->rowCount() + 1 - height;
+ if (visibleHeight <= 0) {
+ return QPoint(0, 0);
+ }
+
+ const int y = scrollbar->sliderPosition() * maxHeight / visibleHeight;
+ return QPoint(0, y);
+}
+
+KFileItem DolphinDetailsView::itemForIndex(const QModelIndex& index) const
+{
+ QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(model());
+ KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
+ const QModelIndex dirIndex = proxyModel->mapToSource(index);
+ return dirModel->itemForIndex(dirIndex);
+}
+
+KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const
+{
+ KFileItemDelegate::Information info = KFileItemDelegate::NoInformation;
+
+ switch (columnIndex) {
+ case DolphinModel::Size: info = KFileItemDelegate::Size; break;
+ case DolphinModel::ModifiedTime: info = KFileItemDelegate::ModificationTime; break;
+ case DolphinModel::Permissions: info = KFileItemDelegate::Permissions; break;
+ case DolphinModel::Owner: info = KFileItemDelegate::Owner; break;
+ case DolphinModel::Group: info = KFileItemDelegate::OwnerAndGroup; break;
+ case DolphinModel::Type: info = KFileItemDelegate::FriendlyMimeType; break;
+ default: break;
+ }
+
+ return info;
+}
+
+void DolphinDetailsView::resizeColumns()
+{
+ // Using the resize mode QHeaderView::ResizeToContents is too slow (it takes
+ // around 3 seconds for each (!) resize operation when having > 10000 items).
+ // This gets a problem especially when opening large directories, where several
+ // resize operations are received for showing the currently available items during
+ // loading (the application hangs around 20 seconds when loading > 10000 items).
+
+ QHeaderView* headerView = header();
+ QFontMetrics fontMetrics(viewport()->font());
+
+ int columnWidth[KDirModel::ColumnCount];
+ columnWidth[KDirModel::Size] = fontMetrics.width("00000 Items");
+ columnWidth[KDirModel::ModifiedTime] = fontMetrics.width("0000-00-00 00:00");
+ columnWidth[KDirModel::Permissions] = fontMetrics.width("xxxxxxxxxx");
+ columnWidth[KDirModel::Owner] = fontMetrics.width("xxxxxxxxxx");
+ columnWidth[KDirModel::Group] = fontMetrics.width("xxxxxxxxxx");
+ columnWidth[KDirModel::Type] = fontMetrics.width("XXXX Xxxxxxx");
+
+ int requiredWidth = 0;
+ for (int i = KDirModel::Size; i <= KDirModel::Type; ++i) {
+ if (!isColumnHidden(i)) {
+ columnWidth[i] += 20; // provide a default gap
+ requiredWidth += columnWidth[i];
+ headerView->resizeSection(i, columnWidth[i]);
+ }
+ }
+
+ // resize the name column in a way that the whole available width is used
+ columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth;
+ if (columnWidth[KDirModel::Name] < 120) {
+ columnWidth[KDirModel::Name] = 120;
+ }
+ headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]);
+}
+
#include "dolphindetailsview.moc"
projects / dolphin.git / blobdiff