/***************************************************************************
- * Copyright (C) 2006 by Peter Penz *
- * peter.penz@gmx.at *
+ * Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at) *
+ * Copyright (C) 2008 by Simon St. James (kdedevel@etotheipiplusone.com) *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
#include "dolphinmodel.h"
#include "dolphincontroller.h"
+#include "dolphinfileitemdelegate.h"
#include "dolphinsettings.h"
#include "dolphinsortfilterproxymodel.h"
+#include "draganddrophelper.h"
+#include "selectionmanager.h"
#include "viewproperties.h"
+#include "zoomlevelinfo.h"
#include "dolphin_detailsmodesettings.h"
+#include "dolphin_generalsettings.h"
+#include <kdirmodel.h>
+#include <klocale.h>
+#include <kmenu.h>
+
+#include <QAbstractProxyModel>
+#include <QAction>
#include <QApplication>
#include <QHeaderView>
#include <QRubberBand>
DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
QTreeView(parent),
+ m_autoResize(true),
+ m_expandingTogglePressed(false),
+ m_keyPressed(false),
+ m_useDefaultIndexAt(true),
m_controller(controller),
- m_dragging(false),
- m_showElasticBand(false),
- m_elasticBandOrigin(),
- m_elasticBandDestination()
+ m_selectionManager(0),
+ m_font(),
+ m_decorationSize(),
+ m_band(),
+ m_ignoreScrollTo(false)
{
+ const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ Q_ASSERT(settings != 0);
Q_ASSERT(controller != 0);
+ setLayoutDirection(Qt::LeftToRight);
setAcceptDrops(true);
- setRootIsDecorated(false);
setSortingEnabled(true);
setUniformRowHeights(true);
setSelectionBehavior(SelectItems);
setDragDropMode(QAbstractItemView::DragDrop);
setDropIndicatorShown(false);
setAlternatingRowColors(true);
- setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
- setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
+ setRootIsDecorated(settings->expandableFolders());
+ setItemsExpandable(settings->expandableFolders());
+ setEditTriggers(QAbstractItemView::NoEditTriggers);
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(headerView, SIGNAL(sectionResized(int, int, int)),
+ this, SLOT(slotHeaderSectionResized(int, int, int)));
+ connect(headerView, SIGNAL(sectionHandleDoubleClicked(int)),
+ this, SLOT(disableAutoResizing()));
connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
// RETURN-key in keyPressEvent().
if (KGlobalSettings::singleClick()) {
connect(this, SIGNAL(clicked(const QModelIndex&)),
- this, SLOT(slotItemActivated(const QModelIndex&)));
+ controller, SLOT(triggerItem(const QModelIndex&)));
} else {
connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
- this, SLOT(slotItemActivated(const QModelIndex&)));
+ controller, SLOT(triggerItem(const QModelIndex&)));
+ }
+
+ if (DolphinSettings::instance().generalSettings()->showSelectionToggle()) {
+ m_selectionManager = new SelectionManager(this);
+ connect(m_selectionManager, SIGNAL(selectionChanged()),
+ this, SLOT(requestActivation()));
+ connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
+ m_selectionManager, SLOT(reset()));
}
+
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, SIGNAL(zoomLevelChanged(int)),
+ this, SLOT(setZoomLevel(int)));
+ connect(controller->dolphinView(), SIGNAL(additionalInfoChanged()),
+ this, SLOT(updateColumnVisibility()));
+ connect(controller, SIGNAL(activationChanged(bool)),
+ this, SLOT(slotActivationChanged(bool)));
+
+ if (settings->useSystemFont()) {
+ m_font = KGlobalSettings::generalFont();
+ } else {
+ m_font = QFont(settings->fontFamily(),
+ settings->fontSize(),
+ settings->fontWeight(),
+ settings->italicFont());
+ }
- // apply the details mode settings to the widget
- const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- Q_ASSERT(settings != 0);
+ setVerticalScrollMode(QTreeView::ScrollPerPixel);
+ setHorizontalScrollMode(QTreeView::ScrollPerPixel);
+
+ const DolphinView* view = controller->dolphinView();
+ connect(view, SIGNAL(showPreviewChanged()),
+ this, SLOT(slotShowPreviewChanged()));
- m_viewOptions = QTreeView::viewOptions();
+ updateDecorationSize(view->showPreview());
- QFont font(settings->fontFamily(), settings->fontSize());
- font.setItalic(settings->italicFont());
- font.setBold(settings->boldFont());
- m_viewOptions.font = font;
+ setFocus();
+ viewport()->installEventFilter(this);
- updateDecorationSize();
+ connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()),
+ this, SLOT(updateFont()));
+
+ m_useDefaultIndexAt = false;
}
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);
-
- // hide columns if this is indicated by the settings
- const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- Q_ASSERT(settings != 0);
- if (!settings->showDate()) {
- hideColumn(DolphinModel::ModifiedTime);
- }
-
- if (!settings->showPermissions()) {
- hideColumn(DolphinModel::Permissions);
- }
+ headerView->setResizeMode(QHeaderView::Interactive);
+ headerView->setMovable(false);
- if (!settings->showOwner()) {
- hideColumn(DolphinModel::Owner);
- }
-
- if (!settings->showGroup()) {
- hideColumn(DolphinModel::Group);
- }
+ updateColumnVisibility();
- if (!settings->showType()) {
- hideColumn(DolphinModel::Type);
+ hideColumn(DolphinModel::Rating);
+ hideColumn(DolphinModel::Tags);
+ } else if (event->type() == QEvent::UpdateRequest) {
+ // a wheel movement will scroll 4 items
+ if (model()->rowCount() > 0) {
+ verticalScrollBar()->setSingleStep((sizeHintForRow(0) / 3) * 4);
}
}
QStyleOptionViewItem DolphinDetailsView::viewOptions() const
{
- return m_viewOptions;
+ QStyleOptionViewItem viewOptions = QTreeView::viewOptions();
+ viewOptions.font = m_font;
+ viewOptions.showDecorationSelected = true;
+ viewOptions.decorationSize = m_decorationSize;
+ return viewOptions;
}
void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
{
- m_controller->triggerActivation();
+ m_controller->requestActivation();
+ const QModelIndex current = currentIndex();
QTreeView::mousePressEvent(event);
+ m_expandingTogglePressed = false;
const QModelIndex index = indexAt(event->pos());
+ const bool updateState = index.isValid() &&
+ (index.column() == DolphinModel::Name) &&
+ (event->button() == Qt::LeftButton);
+ if (updateState) {
+ // TODO: See comment in DolphinIconsView::mousePressEvent(). Only update
+ // the state if no expanding/collapsing area has been hit:
+ const QRect rect = visualRect(index);
+ if (event->pos().x() >= rect.x() + indentation()) {
+ setState(QAbstractItemView::DraggingState);
+ } else {
+ m_expandingTogglePressed = true;
+ kDebug() << "m_expandingTogglePressed " << m_expandingTogglePressed;
+ }
+ }
+
if (!index.isValid() || (index.column() != DolphinModel::Name)) {
+ // the mouse press is done somewhere outside the filename column
+ if (QApplication::mouseButtons() & Qt::MidButton) {
+ m_controller->replaceUrlByClipboard();
+ }
+
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();
- }
+ // restore the current index, other columns are handled as viewport area.
+ // setCurrentIndex(...) implicitly calls scrollTo(...), which we want to ignore.
+ m_ignoreScrollTo = true;
+ selectionModel()->setCurrentIndex(current, QItemSelectionModel::Current);
+ m_ignoreScrollTo = false;
+
+ if ((event->button() == Qt::LeftButton) && !m_expandingTogglePressed) {
+ // Inform Qt about what we are doing - otherwise it starts dragging items around!
+ setState(DragSelectingState);
+ m_band.show = true;
+ // Incremental update data will not be useful - start from scratch.
+ m_band.ignoreOldInfo = true;
+ const QPoint pos = contentsPos();
+ const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+ m_band.origin = event->pos() + pos + scrollPos;
+ m_band.destination = m_band.origin;
+ }
+ }
}
void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
{
- QTreeView::mouseMoveEvent(event);
- if (m_showElasticBand) {
+ if (m_band.show) {
+ 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
+ updateElasticBandSelection();
+ }
+
+ // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
+ // as the Qt-issue #199631 has been fixed.
+ // QTreeView::mouseMoveEvent(event);
+ QAbstractItemView::mouseMoveEvent(event);
updateElasticBand();
+ } else {
+ // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
+ // as the Qt-issue #199631 has been fixed.
+ // QTreeView::mouseMoveEvent(event);
+ QAbstractItemView::mouseMoveEvent(event);
+ }
+
+ if (m_expandingTogglePressed) {
+ // Per default QTreeView starts either a selection or a drag operation when dragging
+ // the expanding toggle button (Qt-issue - see TODO comment in DolphinIconsView::mousePressEvent()).
+ // Turn off this behavior in Dolphin to stay predictable:
+ clearSelection();
+ setState(QAbstractItemView::NoState);
}
}
void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
{
- QTreeView::mouseReleaseEvent(event);
- if (m_showElasticBand) {
+ const QModelIndex index = indexAt(event->pos());
+ if (index.isValid() && (index.column() == DolphinModel::Name)) {
+ QTreeView::mouseReleaseEvent(event);
+ } else {
+ // don't change the current index if the cursor is released
+ // above any other column than the name column, as the other
+ // columns act as viewport
+ const QModelIndex current = currentIndex();
+ QTreeView::mouseReleaseEvent(event);
+ selectionModel()->setCurrentIndex(current, QItemSelectionModel::Current);
+ }
+
+ m_expandingTogglePressed = false;
+ if (m_band.show) {
+ setState(NoState);
updateElasticBand();
- m_showElasticBand = false;
+ m_band.show = false;
}
}
+void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
+{
+ DragAndDropHelper::startDrag(this, supportedActions, m_controller);
+ m_band.show = false;
+}
+
void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
{
- if (event->mimeData()->hasUrls()) {
+ if (DragAndDropHelper::isMimeDataSupported(event->mimeData())) {
event->acceptProposedAction();
}
- if (m_showElasticBand) {
+ if (m_band.show) {
updateElasticBand();
- m_showElasticBand = false;
+ m_band.show = false;
}
- m_dragging = true;
}
void DolphinDetailsView::dragLeaveEvent(QDragLeaveEvent* event)
{
QTreeView::dragLeaveEvent(event);
-
- // TODO: remove this code when the issue #160611 is solved in Qt 4.4
- m_dragging = false;
setDirtyRegion(m_dropRect);
}
// 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;
- m_dropRect = visualRect(index);
+ if (index.isValid() && (index.column() == DolphinModel::Name)) {
+ const KFileItem item = m_controller->itemForIndex(index);
+ if (!item.isNull() && item.isDir()) {
+ m_dropRect = visualRect(index);
+ } else {
+ m_dropRect.setSize(QSize()); // set as invalid
+ }
setDirtyRegion(m_dropRect);
}
+
+ if (DragAndDropHelper::isMimeDataSupported(event->mimeData())) {
+ // 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();
- m_controller->indicateDroppedUrls(urls,
- m_controller->url(),
- indexAt(event->pos()),
- event->source());
+ const QModelIndex index = indexAt(event->pos());
+ KFileItem item;
+ if (index.isValid() && (index.column() == DolphinModel::Name)) {
+ item = m_controller->itemForIndex(index);
}
+ m_controller->indicateDroppedUrls(item, m_controller->url(), event);
QTreeView::dropEvent(event);
- m_dragging = false;
}
void DolphinDetailsView::paintEvent(QPaintEvent* event)
{
QTreeView::paintEvent(event);
- if (m_showElasticBand) {
+ if (m_band.show) {
// The following code has been taken from QListView
// and adapted to DolphinDetailsView.
// (C) 1992-2007 Trolltech ASA
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 = m_viewOptions.palette.brush(QPalette::Normal, QPalette::Highlight);
- DolphinController::drawHoverIndication(viewport(), m_dropRect, brush);
- }
}
void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
{
+ // If the Control modifier is pressed, a multiple selection
+ // is done and DolphinDetailsView::currentChanged() may not
+ // not change the selection in a custom way.
+ m_keyPressed = !(event->modifiers() & Qt::ControlModifier);
+
QTreeView::keyPressEvent(event);
+ m_controller->handleKeyPressEvent(event);
+}
+
+void DolphinDetailsView::keyReleaseEvent(QKeyEvent* event)
+{
+ QTreeView::keyReleaseEvent(event);
+ m_keyPressed = false;
+}
+
+void DolphinDetailsView::resizeEvent(QResizeEvent* event)
+{
+ if (m_autoResize) {
+ resizeColumns();
+ }
+ QTreeView::resizeEvent(event);
+}
+
+void DolphinDetailsView::wheelEvent(QWheelEvent* event)
+{
+ if (m_selectionManager != 0) {
+ m_selectionManager->reset();
+ }
+
+ // let Ctrl+wheel events propagate to the DolphinView for icon zooming
+ if (event->modifiers() & Qt::ControlModifier) {
+ event->ignore();
+ return;
+ }
+
+ QTreeView::wheelEvent(event);
+}
+
+void DolphinDetailsView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
+{
+ QTreeView::currentChanged(current, previous);
+
+ // Stay consistent with QListView: When changing the current index by key presses,
+ // also change the selection.
+ if (m_keyPressed) {
+ selectionModel()->select(current, QItemSelectionModel::ClearAndSelect);
+ }
+}
+
+bool DolphinDetailsView::eventFilter(QObject* watched, QEvent* event)
+{
+ if ((watched == viewport()) && (event->type() == QEvent::Leave)) {
+ // if the mouse is above an item and moved very fast outside the widget,
+ // no viewportEntered() signal might be emitted although the mouse has been moved
+ // above the viewport
+ m_controller->emitViewportEntered();
+ }
+
+ return QTreeView::eventFilter(watched, event);
+}
+
+QModelIndex DolphinDetailsView::indexAt(const QPoint& point) const
+{
+ // the blank portion of the name column counts as empty space
+ const QModelIndex index = QTreeView::indexAt(point);
+ const bool isAboveEmptySpace = !m_useDefaultIndexAt &&
+ (index.column() == KDirModel::Name) && !nameColumnRect(index).contains(point);
+ return isAboveEmptySpace ? QModelIndex() : index;
+}
+
+void DolphinDetailsView::setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command)
+{
+ // We must override setSelection() as Qt calls it internally and when this happens
+ // we must ensure that the default indexAt() is used.
+ if (!m_band.show) {
+ m_useDefaultIndexAt = true;
+ QTreeView::setSelection(rect, command);
+ m_useDefaultIndexAt = false;
+ } else {
- const QItemSelectionModel* selModel = selectionModel();
- const QModelIndex currentIndex = selModel->currentIndex();
- const bool triggerItem = currentIndex.isValid()
- && (event->key() == Qt::Key_Return)
- && (selModel->selectedIndexes().count() <= 1);
- if (triggerItem) {
- m_controller->triggerItem(currentIndex);
+ // Use our own elastic band selection algorithm
+ updateElasticBandSelection();
}
}
+void DolphinDetailsView::scrollTo(const QModelIndex & index, ScrollHint hint)
+{
+ if (m_ignoreScrollTo)
+ return;
+ QTreeView::scrollTo(index, hint);
+}
+
void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
{
QHeaderView* headerView = header();
void DolphinDetailsView::slotEntered(const QModelIndex& index)
{
- const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
- const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
- if (pos.x() < nameColumnWidth) {
+ if (index.column() == DolphinModel::Name) {
m_controller->emitItemEntered(index);
- }
- else {
+ } else {
m_controller->emitViewportEntered();
}
}
void DolphinDetailsView::updateElasticBand()
{
- Q_ASSERT(m_showElasticBand);
- QRect dirtyRegion(elasticBandRect());
- m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
- dirtyRegion = dirtyRegion.united(elasticBandRect());
- setDirtyRegion(dirtyRegion);
+ if (m_band.show) {
+ QRect dirtyRegion(elasticBandRect());
+ const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+ m_band.destination = viewport()->mapFromGlobal(QCursor::pos()) + scrollPos;
+ dirtyRegion = dirtyRegion.united(elasticBandRect());
+ setDirtyRegion(dirtyRegion);
+ }
+}
+
+QRect DolphinDetailsView::elasticBandRect() const
+{
+ const QPoint pos(contentsPos());
+ const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+
+ const QPoint topLeft = m_band.origin - pos - scrollPos;
+ const QPoint bottomRight = m_band.destination - pos - scrollPos;
+ return QRect(topLeft, bottomRight).normalized();
}
-void DolphinDetailsView::zoomIn()
+void DolphinDetailsView::setZoomLevel(int level)
{
- if (isZoomInPossible()) {
- DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- // TODO: get rid of K3Icon sizes
- switch (settings->iconSize()) {
- case K3Icon::SizeSmall: settings->setIconSize(K3Icon::SizeMedium); break;
- case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeLarge); break;
- default: Q_ASSERT(false); break;
+ const int size = ZoomLevelInfo::iconSizeForZoomLevel(level);
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+
+ const bool showPreview = m_controller->dolphinView()->showPreview();
+ if (showPreview) {
+ settings->setPreviewSize(size);
+ } else {
+ settings->setIconSize(size);
+ }
+
+ updateDecorationSize(showPreview);
+}
+
+
+void DolphinDetailsView::slotShowPreviewChanged()
+{
+ const DolphinView* view = m_controller->dolphinView();
+ updateDecorationSize(view->showPreview());
+}
+
+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);
}
- updateDecorationSize();
+
+ m_controller->indicateAdditionalInfoChange(list);
+ setColumnHidden(columnIndex, !show);
}
}
-void DolphinDetailsView::zoomOut()
+void DolphinDetailsView::updateColumnVisibility()
{
- if (isZoomOutPossible()) {
- DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- // TODO: get rid of K3Icon sizes
- switch (settings->iconSize()) {
- case K3Icon::SizeLarge: settings->setIconSize(K3Icon::SizeMedium); break;
- case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeSmall); break;
- default: Q_ASSERT(false); break;
+ const KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
+ 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);
}
- updateDecorationSize();
}
+
+ resizeColumns();
}
-bool DolphinDetailsView::isZoomInPossible() const
+void DolphinDetailsView::slotHeaderSectionResized(int logicalIndex, int oldSize, int newSize)
{
- DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- return settings->iconSize() < K3Icon::SizeLarge;
+ Q_UNUSED(logicalIndex);
+ Q_UNUSED(oldSize);
+ Q_UNUSED(newSize);
+ if (QApplication::mouseButtons() & Qt::LeftButton) {
+ disableAutoResizing();
+ }
}
-bool DolphinDetailsView::isZoomOutPossible() const
+void DolphinDetailsView::slotActivationChanged(bool active)
{
- DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- return settings->iconSize() > K3Icon::SizeSmall;
+ setAlternatingRowColors(active);
}
-void DolphinDetailsView::updateDecorationSize()
+void DolphinDetailsView::disableAutoResizing()
+{
+ m_autoResize = false;
+}
+
+void DolphinDetailsView::requestActivation()
+{
+ m_controller->requestActivation();
+}
+
+void DolphinDetailsView::updateFont()
+{
+ const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ Q_ASSERT(settings != 0);
+
+ if (settings->useSystemFont()) {
+ m_font = KGlobalSettings::generalFont();
+ }
+}
+
+void DolphinDetailsView::updateElasticBandSelection()
+{
+ if (!m_band.show) {
+ return;
+ }
+
+ // Ensure the elastic band itself is up-to-date, in
+ // case we are being called due to e.g. a drag event.
+ updateElasticBand();
+
+ // Clip horizontally to the name column, as some filenames will be
+ // longer than the column. We don't clip vertically as origin
+ // may be above or below the current viewport area.
+ const int nameColumnX = header()->sectionPosition(DolphinModel::Name);
+ const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
+ QRect selRect = elasticBandRect().normalized();
+ QRect nameColumnRect(nameColumnX, selRect.y(), nameColumnWidth, selRect.height());
+ selRect = nameColumnRect.intersect(selRect).normalized();
+
+ if (selRect.isNull()) {
+ clearSelection();
+ m_band.ignoreOldInfo = true;
+ return;
+ }
+
+ if (!m_band.ignoreOldInfo) {
+ // Do some quick checks to see if we can rule out the need to
+ // update the selection.
+ Q_ASSERT(uniformRowHeights());
+ QModelIndex dummyIndex = model()->index(0, 0);
+ if (!dummyIndex.isValid()) {
+ // No items in the model presumably.
+ return;
+ }
+
+ // If the elastic band does not cover the same rows as before, we'll
+ // need to re-check, and also invalidate the old item distances.
+ const int rowHeight = QTreeView::rowHeight(dummyIndex);
+ const bool coveringSameRows =
+ (selRect.top() / rowHeight == m_band.oldSelectionRect.top() / rowHeight) &&
+ (selRect.bottom() / rowHeight == m_band.oldSelectionRect.bottom() / rowHeight);
+ if (coveringSameRows) {
+ // Covering the same rows, but have we moved far enough horizontally
+ // that we might have (de)selected some other items?
+ const QRect oldSelRect = m_band.oldSelectionRect;
+ const bool itemSelectionChanged =
+ ((selRect.left() > oldSelRect.left()) &&
+ (selRect.left() > m_band.insideNearestLeftEdge)) ||
+ ((selRect.left() < oldSelRect.left()) &&
+ (selRect.left() <= m_band.outsideNearestLeftEdge)) ||
+ ((selRect.right() < oldSelRect.right()) &&
+ (selRect.left() >= m_band.insideNearestRightEdge)) ||
+ ((selRect.right() > oldSelRect.right()) &&
+ (selRect.right() >= m_band.outsideNearestRightEdge));
+
+ if (!itemSelectionChanged) {
+ return;
+ }
+ }
+ }
+
+ // Do the selection from scratch. Force a update of the horizontal distances info.
+ m_band.insideNearestLeftEdge = nameColumnX + nameColumnWidth + 1;
+ m_band.insideNearestRightEdge = nameColumnX - 1;
+ m_band.outsideNearestLeftEdge = nameColumnX - 1;
+ m_band.outsideNearestRightEdge = nameColumnX + nameColumnWidth + 1;
+
+ // Include the old selection rect as well, so we can deselect
+ // items that were inside it but not in the new selRect.
+ const QRect boundingRect = selRect.united(m_band.oldSelectionRect).normalized();
+ if (boundingRect.isNull()) {
+ return;
+ }
+
+ // Get the index of the item in this row in the name column.
+ // TODO - would this still work if the columns could be re-ordered?
+ QModelIndex startIndex = QTreeView::indexAt(boundingRect.topLeft());
+ if (startIndex.parent().isValid()) {
+ startIndex = startIndex.parent().child(startIndex.row(), KDirModel::Name);
+ } else {
+ startIndex = model()->index(startIndex.row(), KDirModel::Name);
+ }
+ if (!startIndex.isValid()) {
+ clearSelection();
+ m_band.ignoreOldInfo = true;
+ return;
+ }
+
+ // Go through all indexes between the top and bottom of boundingRect, and
+ // update the selection.
+ const int verticalCutoff = boundingRect.bottom();
+ QModelIndex currIndex = startIndex;
+ QModelIndex lastIndex;
+ bool allItemsInBoundDone = false;
+
+ // Calling selectionModel()->select(...) for each item that needs to be
+ // toggled is slow as each call emits selectionChanged(...) so store them
+ // and do the selection toggle in one batch.
+ QItemSelection itemsToToggle;
+ // QItemSelection's deal with continuous ranges of indexes better than
+ // single indexes, so try to portion items that need to be toggled into ranges.
+ bool formingToggleIndexRange = false;
+ QModelIndex toggleIndexRangeBegin = QModelIndex();
+
+ do {
+ QRect currIndexRect = visualRect(currIndex);
+ const QString name = m_controller->itemForIndex(currIndex).name();
+ currIndexRect.setWidth(DolphinFileItemDelegate::nameColumnWidth(name, viewOptions()));
+
+ // Update some optimisation info as we go.
+ const int cr = currIndexRect.right();
+ const int cl = currIndexRect.left();
+ const int sl = selRect.left();
+ const int sr = selRect.right();
+ // "The right edge of the name is outside of the rect but nearer than m_outsideNearestLeft", etc
+ if ((cr < sl && cr > m_band.outsideNearestLeftEdge)) {
+ m_band.outsideNearestLeftEdge = cr;
+ }
+ if ((cl > sr && cl < m_band.outsideNearestRightEdge)) {
+ m_band.outsideNearestRightEdge = cl;
+ }
+ if ((cl >= sl && cl <= sr && cl > m_band.insideNearestRightEdge)) {
+ m_band.insideNearestRightEdge = cl;
+ }
+ if ((cr >= sl && cr <= sr && cr < m_band.insideNearestLeftEdge)) {
+ m_band.insideNearestLeftEdge = cr;
+ }
+
+ bool currentlySelected = selectionModel()->isSelected(currIndex);
+ bool intersectsSelectedRect = currIndexRect.intersects(selRect);
+ bool needToToggleItem = (currentlySelected && !intersectsSelectedRect) || (!currentlySelected && intersectsSelectedRect);
+ if (needToToggleItem && !formingToggleIndexRange) {
+ toggleIndexRangeBegin = currIndex;
+ formingToggleIndexRange = true;
+ }
+
+ // NOTE: indexBelow actually walks up and down expanded trees for us.
+ QModelIndex nextIndex = indexBelow(currIndex);
+ allItemsInBoundDone = !nextIndex.isValid() || currIndexRect.top() > verticalCutoff;
+
+ const bool commitToggleIndexRange = formingToggleIndexRange &&
+ (!needToToggleItem ||
+ allItemsInBoundDone ||
+ currIndex.parent() != toggleIndexRangeBegin.parent());
+ if (commitToggleIndexRange) {
+ itemsToToggle.select(toggleIndexRangeBegin, lastIndex );
+ // Immediately start a new range with currIndex?
+ if (needToToggleItem) {
+ toggleIndexRangeBegin = currIndex;
+ }
+ formingToggleIndexRange = needToToggleItem;
+ }
+
+ // next item
+ lastIndex = currIndex;
+ currIndex = nextIndex;
+ } while (!allItemsInBoundDone);
+
+ selectionModel()->select(itemsToToggle, QItemSelectionModel::Toggle);
+
+ m_band.oldSelectionRect = selRect;
+ m_band.ignoreOldInfo = false;
+}
+
+void DolphinDetailsView::updateDecorationSize(bool showPreview)
{
DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- const int iconSize = settings->iconSize();
- m_viewOptions.decorationSize = QSize(iconSize, iconSize);
+ const int iconSize = showPreview ? settings->previewSize() : settings->iconSize();
+ setIconSize(QSize(iconSize, iconSize));
+ m_decorationSize = QSize(iconSize, iconSize);
- m_controller->setZoomInPossible(isZoomInPossible());
- m_controller->setZoomOutPossible(isZoomOutPossible());
+ if (m_selectionManager != 0) {
+ m_selectionManager->reset();
+ }
doItemsLayout();
}
return QPoint(0, y);
}
-QRect DolphinDetailsView::elasticBandRect() const
+KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const
{
- const QPoint pos(contentsPos());
- const QPoint topLeft(m_elasticBandOrigin.x() - pos.x(), m_elasticBandOrigin.y() - pos.y());
- return QRect(topLeft, m_elasticBandDestination).normalized();
+ 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;
}
-static bool isValidNameIndex(const QModelIndex& index)
+void DolphinDetailsView::resizeColumns()
{
- return index.isValid() && (index.column() == KDirModel::Name);
+ // 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]);
}
-void DolphinDetailsView::slotItemActivated(const QModelIndex& index)
+QRect DolphinDetailsView::nameColumnRect(const QModelIndex& index) const
{
- if (!isValidNameIndex(index)) {
- clearSelection();
- m_controller->emitItemEntered(index);
- } else {
- m_controller->triggerItem(index);
+ QRect rect = visualRect(index);
+ const KFileItem item = m_controller->itemForIndex(index);
+ if (!item.isNull()) {
+ const int width = DolphinFileItemDelegate::nameColumnWidth(item.name(), viewOptions());
+ rect.setWidth(width);
}
+
+ return rect;
+}
+
+DolphinDetailsView::ElasticBand::ElasticBand() :
+ show(false),
+ origin(),
+ destination(),
+ oldSelectionRect(),
+ ignoreOldInfo(true),
+ outsideNearestLeftEdge(0),
+ outsideNearestRightEdge(0),
+ insideNearestLeftEdge(0),
+ insideNearestRightEdge(0)
+{
}
#include "dolphindetailsview.moc"
projects / dolphin.git / blobdiff