/***************************************************************************
- * 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 "dolphindetailsview.h"
+#include "dolphinmodel.h"
#include "dolphincontroller.h"
-#include "dolphinsettings.h"
+#include "dolphinfileitemdelegate.h"
+#include "settings/dolphinsettings.h"
#include "dolphinsortfilterproxymodel.h"
+#include "dolphinviewautoscroller.h"
+#include "draganddrophelper.h"
+#include "viewextensionsfactory.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 <QAction>
#include <QApplication>
#include <QHeaderView>
#include <QRubberBand>
#include <QPainter>
#include <QScrollBar>
-DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
+DolphinDetailsView::DolphinDetailsView(QWidget* parent,
+ DolphinController* controller,
+ DolphinSortFilterProxyModel* proxyModel) :
QTreeView(parent),
+ m_autoResize(true),
+ m_expandingTogglePressed(false),
+ m_keyPressed(false),
+ m_useDefaultIndexAt(true),
+ m_ignoreScrollTo(false),
m_controller(controller),
- m_dragging(false),
- m_showElasticBand(false),
- m_elasticBandOrigin(),
- m_elasticBandDestination()
+ m_extensionsFactory(0),
+ m_expandableFoldersAction(0),
+ m_expandedUrls(),
+ m_font(),
+ m_decorationSize(),
+ m_band()
{
+ 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);
+ setRootIsDecorated(settings->expandableFolders());
+ setItemsExpandable(settings->expandableFolders());
+ setEditTriggers(QAbstractItemView::NoEditTriggers);
+ setModel(proxyModel);
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(configureSettings(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)));
connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
+ connect(this, SIGNAL(clicked(const QModelIndex&)),
+ controller, SLOT(requestTab(const QModelIndex&)));
if (KGlobalSettings::singleClick()) {
connect(this, SIGNAL(clicked(const QModelIndex&)),
controller, SLOT(triggerItem(const QModelIndex&)));
connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
controller, SLOT(triggerItem(const QModelIndex&)));
}
- connect(this, SIGNAL(activated(const QModelIndex&)),
- controller, 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, SIGNAL(zoomLevelChanged(int)),
+ this, SLOT(setZoomLevel(int)));
+ connect(controller->dolphinView(), SIGNAL(additionalInfoChanged()),
+ this, SLOT(updateColumnVisibility()));
+ connect(controller, SIGNAL(activationChanged(bool)),
+ this, SLOT(slotActivationChanged(bool)));
- // apply the details mode settings to the widget
- const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- Q_ASSERT(settings != 0);
+ if (settings->useSystemFont()) {
+ m_font = KGlobalSettings::generalFont();
+ } else {
+ m_font = QFont(settings->fontFamily(),
+ qRound(settings->fontSize()),
+ settings->fontWeight(),
+ settings->italicFont());
+ m_font.setPointSizeF(settings->fontSize());
+ }
- m_viewOptions = QTreeView::viewOptions();
+ setVerticalScrollMode(QTreeView::ScrollPerPixel);
+ setHorizontalScrollMode(QTreeView::ScrollPerPixel);
- QFont font(settings->fontFamily(), settings->fontSize());
- font.setItalic(settings->italicFont());
- font.setBold(settings->boldFont());
- m_viewOptions.font = font;
+ const DolphinView* view = controller->dolphinView();
+ connect(view, SIGNAL(showPreviewChanged()),
+ this, SLOT(slotShowPreviewChanged()));
- updateDecorationSize();
+
+ setFocus();
+ viewport()->installEventFilter(this);
+
+ connect(KGlobalSettings::self(), SIGNAL(settingsChanged(int)),
+ this, SLOT(slotGlobalSettingsChanged(int)));
+
+ m_useDefaultIndexAt = false;
+
+ m_expandableFoldersAction = new QAction(i18nc("@option:check", "Expandable Folders"), this);
+ m_expandableFoldersAction->setCheckable(true);
+ connect(m_expandableFoldersAction, SIGNAL(toggled(bool)),
+ this, SLOT(setFoldersExpandable(bool)));
+
+ connect(this, SIGNAL(expanded(const QModelIndex&)), this, SLOT(slotExpanded(const QModelIndex&)));
+ connect(this, SIGNAL(collapsed(const QModelIndex&)), this, SLOT(slotCollapsed(const QModelIndex&)));
+
+ updateDecorationSize(view->showPreview());
+
+ m_extensionsFactory = new ViewExtensionsFactory(this, controller);
+ m_extensionsFactory->fileItemDelegate()->setMinimizedNameColumn(true);
+ m_extensionsFactory->setAutoFolderExpandingEnabled(settings->expandableFolders());
}
DolphinDetailsView::~DolphinDetailsView()
{
}
-bool DolphinDetailsView::event(QEvent* event)
+QSet<KUrl> DolphinDetailsView::expandedUrls() const
{
- 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(KDirModel::ModifiedTime);
- }
+ return m_expandedUrls;
+}
- if (!settings->showPermissions()) {
- hideColumn(KDirModel::Permissions);
- }
+QRegion DolphinDetailsView::visualRegionForSelection(const QItemSelection& selection) const
+{
+ // We have to make sure that the visualRect of each model index is inside the region.
+ // QTreeView::visualRegionForSelection does not do it right because it assumes implicitly
+ // that all visualRects have the same width, which is in general not the case here.
+ QRegion selectionRegion;
+ const QModelIndexList indexes = selection.indexes();
- if (!settings->showOwner()) {
- hideColumn(KDirModel::Owner);
- }
+ foreach(const QModelIndex& index, indexes) {
+ selectionRegion += visualRect(index);
+ }
- if (!settings->showGroup()) {
- hideColumn(KDirModel::Group);
- }
+ return selectionRegion;
+}
- if (!settings->showType()) {
- hideColumn(KDirModel::Type);
- }
+bool DolphinDetailsView::event(QEvent* event)
+{
+ switch (event->type()) {
+ case QEvent::Polish:
+ header()->setResizeMode(QHeaderView::Interactive);
+ updateColumnVisibility();
+ break;
+
+ case QEvent::FocusOut:
+ // If a key-press triggers an action that e. g. opens a dialog, the
+ // widget gets no key-release event. Assure that the pressed state
+ // is reset to prevent accidently setting the current index during a selection.
+ m_keyPressed = false;
+ break;
+
+ default:
+ break;
}
return QTreeView::event(event);
QStyleOptionViewItem DolphinDetailsView::viewOptions() const
{
- return m_viewOptions;
+ QStyleOptionViewItem viewOptions = QTreeView::viewOptions();
+ viewOptions.font = m_font;
+ viewOptions.fontMetrics = QFontMetrics(m_font);
+ viewOptions.showDecorationSelected = true;
+ viewOptions.decorationSize = m_decorationSize;
+ return viewOptions;
}
void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
{
QTreeView::contextMenuEvent(event);
- m_controller->triggerContextMenuRequest(event->pos());
+
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ m_expandableFoldersAction->setChecked(settings->expandableFolders());
+ m_controller->triggerContextMenuRequest(event->pos(),
+ QList<QAction*>() << m_expandableFoldersAction);
}
void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
{
- if (!indexAt(event->pos()).isValid()) {
- const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
- if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
- clearSelection();
- }
- }
+ m_controller->requestActivation();
+ const QModelIndex current = currentIndex();
QTreeView::mousePressEvent(event);
- if (event->button() == Qt::LeftButton) {
- m_showElasticBand = true;
+ m_expandingTogglePressed = isAboveExpandingToggle(event->pos());
+
+ const QModelIndex index = indexAt(event->pos());
+ const bool updateState = index.isValid() &&
+ (index.column() == DolphinModel::Name) &&
+ (event->button() == Qt::LeftButton);
+ if (updateState) {
+ setState(QAbstractItemView::DraggingState);
+ }
+
+ 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 mod = QApplication::keyboardModifiers();
+ if (!m_expandingTogglePressed && !(mod & Qt::ShiftModifier) && !(mod & Qt::ControlModifier)) {
+ clearSelection();
+ }
- 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 scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+ m_band.origin = event->pos() + scrollPos;
+ m_band.destination = m_band.origin;
+ m_band.originalSelection = selectionModel()->selection();
+ }
}
}
void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
{
- QTreeView::mouseMoveEvent(event);
- if (m_showElasticBand) {
+ 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:
+ setState(QAbstractItemView::NoState);
+ return;
+ }
+
+ 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);
}
}
void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
{
- QTreeView::mouseReleaseEvent(event);
- if (m_showElasticBand) {
+ if (!m_expandingTogglePressed) {
+ 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;
}
- m_controller->triggerActivation();
+}
+
+void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
+{
+ DragAndDropHelper::instance().startDrag(this, supportedActions, m_controller);
+ m_band.show = false;
}
void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
{
- if (event->mimeData()->hasUrls()) {
+ if (DragAndDropHelper::instance().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);
}
QTreeView::dragMoveEvent(event);
// TODO: remove this code when the issue #160611 is solved in Qt 4.4
- const QPoint pos(0, event->pos().y());
- const QModelIndex index = indexAt(pos);
- setDirtyRegion(m_dropRect);
- m_dropRect = visualRect(index);
setDirtyRegion(m_dropRect);
+ const QModelIndex index = indexAt(event->pos());
+ 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::instance().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,
- 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();
}
+}
- if (m_dragging) {
- // TODO: remove this code when the issue #160611 is solved in Qt 4.4
- QPainter painter(viewport());
- painter.save();
- QBrush brush(m_viewOptions.palette.brush(QPalette::Normal, QPalette::Highlight));
- QColor color = brush.color();
- color.setAlpha(64);
- brush.setColor(color);
- painter.fillRect(m_dropRect, brush);
- painter.restore();
+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)
+{
+ QTreeView::resizeEvent(event);
+ if (m_autoResize) {
+ resizeColumns();
+ }
+}
+
+void DolphinDetailsView::wheelEvent(QWheelEvent* event)
+{
+ const int step = m_decorationSize.height();
+ verticalScrollBar()->setSingleStep(step);
+ QTreeView::wheelEvent(event);
+}
+
+void DolphinDetailsView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
+{
+ QTreeView::currentChanged(current, previous);
+ m_extensionsFactory->handleCurrentIndexChange(current, previous);
+
+ // Stay consistent with QListView: When changing the current index by key presses,
+ // also change the selection.
+ if (m_keyPressed) {
+ setCurrentIndex(current);
+ }
+
+ // If folders are expanded, the width which is available for editing may have changed
+ // because it depends on the level of the current item in the folder hierarchy.
+ adjustMaximumSizeForEditing(current);
+}
+
+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) && !visualRect(index).contains(point);
+ return isAboveEmptySpace ? QModelIndex() : index;
+}
+
+QRect DolphinDetailsView::visualRect(const QModelIndex& index) const
+{
+ QRect rect = QTreeView::visualRect(index);
+ const KFileItem item = m_controller->itemForIndex(index);
+ if (!item.isNull()) {
+ const int width = DolphinFileItemDelegate::nameColumnWidth(item.text(), viewOptions());
+ rect.setWidth(width);
+ }
+
+ return rect;
+}
+
+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 {
+ // Use our own elastic band selection algorithm
+ updateElasticBandSelection();
+ }
+}
+
+void DolphinDetailsView::scrollTo(const QModelIndex & index, ScrollHint hint)
+{
+ if (!m_ignoreScrollTo) {
+ QTreeView::scrollTo(index, hint);
}
}
void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
{
- QHeaderView* headerView = header();
- headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
+ header()->setSortIndicator(sorting, header()->sortIndicatorOrder());
}
void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
{
- QHeaderView* headerView = header();
- headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
+ header()->setSortIndicator(header()->sortIndicatorSection(), sortOrder);
}
void DolphinDetailsView::synchronizeSortingState(int column)
void DolphinDetailsView::slotEntered(const QModelIndex& index)
{
- const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
- const int nameColumnWidth = header()->sectionSize(KDirModel::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;
+ // Going above the (logical) top-left of the view causes complications during selection;
+ // we may as well prevent it.
+ if (m_band.destination.y() < 0) {
+ m_band.destination.setY(0);
+ }
+ if (m_band.destination.x() < 0) {
+ m_band.destination.setX(0);
+ }
+ dirtyRegion = dirtyRegion.united(elasticBandRect());
+ setDirtyRegion(dirtyRegion);
+ }
+}
+
+QRect DolphinDetailsView::elasticBandRect() const
+{
+ const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+
+ const QPoint topLeft = m_band.origin - scrollPos;
+ const QPoint bottomRight = m_band.destination - scrollPos;
+ return QRect(topLeft, bottomRight).normalized();
+}
+
+void DolphinDetailsView::setZoomLevel(int level)
+{
+ 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::zoomIn()
+void DolphinDetailsView::configureSettings(const QPoint& pos)
{
- 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;
+ KMenu popup(this);
+ popup.addTitle(i18nc("@title:menu", "Columns"));
+
+ // add checkbox items for each column
+ QHeaderView* headerView = header();
+ const int columns = model()->columnCount();
+ for (int i = 0; i < columns; ++i) {
+ const int logicalIndex = headerView->logicalIndex(i);
+ const QString text = model()->headerData(logicalIndex, Qt::Horizontal).toString();
+ QAction* action = popup.addAction(text);
+ action->setCheckable(true);
+ action->setChecked(!headerView->isSectionHidden(logicalIndex));
+ action->setData(logicalIndex);
+ action->setEnabled(logicalIndex != DolphinModel::Name);
+ }
+ popup.addSeparator();
+
+ 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);
+ resizeColumns();
}
}
-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;
+ QHeaderView* headerView = header();
+ disconnect(headerView, SIGNAL(sectionMoved(int, int, int)),
+ this, SLOT(saveColumnPositions()));
+
+ const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ const QList<int> columnPositions = settings->columnPositions();
+
+ const KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
+ for (int i = DolphinModel::Name; i <= DolphinModel::Version; ++i) {
+ const KFileItemDelegate::Information info = infoForColumn(i);
+ const bool hide = !list.contains(info) && (i != DolphinModel::Name);
+ if (isColumnHidden(i) != hide) {
+ setColumnHidden(i, hide);
}
- updateDecorationSize();
+
+ const int from = headerView->visualIndex(i);
+ headerView->moveSection(from, columnPositions[i]);
}
+
+ resizeColumns();
+
+ connect(headerView, SIGNAL(sectionMoved(int, int, int)),
+ this, SLOT(saveColumnPositions()));
+
}
-bool DolphinDetailsView::isZoomInPossible() const
+void DolphinDetailsView::saveColumnPositions()
{
+ QList<int> columnPositions;
+ for (int i = DolphinModel::Name; i <= DolphinModel::Version; ++i) {
+ columnPositions.append(header()->visualIndex(i));
+ }
+
DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- return settings->iconSize() < K3Icon::SizeLarge;
+ settings->setColumnPositions(columnPositions);
}
-bool DolphinDetailsView::isZoomOutPossible() const
+void DolphinDetailsView::slotHeaderSectionResized(int logicalIndex, int oldSize, int newSize)
{
- DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- return settings->iconSize() > K3Icon::SizeSmall;
+ Q_UNUSED(logicalIndex);
+ Q_UNUSED(oldSize);
+ Q_UNUSED(newSize);
+ // If the user changes the size of the headers, the autoresize feature should be
+ // turned off. As there is no dedicated interface to find out whether the header
+ // section has been resized by the user or by a resize event, another approach is used.
+ // Attention: Take care when changing the if-condition to verify that there is no
+ // regression in combination with bug 178630 (see fix in comment #8).
+ if ((QApplication::mouseButtons() & Qt::LeftButton) && header()->underMouse()) {
+ disableAutoResizing();
+ }
+
+ adjustMaximumSizeForEditing(currentIndex());
+}
+
+void DolphinDetailsView::slotActivationChanged(bool active)
+{
+ setAlternatingRowColors(active);
+}
+
+void DolphinDetailsView::disableAutoResizing()
+{
+ m_autoResize = false;
+}
+
+void DolphinDetailsView::requestActivation()
+{
+ m_controller->requestActivation();
+}
+
+void DolphinDetailsView::slotGlobalSettingsChanged(int category)
+{
+ Q_UNUSED(category);
+
+ const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ Q_ASSERT(settings != 0);
+ if (settings->useSystemFont()) {
+ m_font = KGlobalSettings::generalFont();
+ }
+ //Disconnect then reconnect, since the settings have been changed, the connection requirements may have also.
+ disconnect(this, SIGNAL(clicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ disconnect(this, SIGNAL(doubleClicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ if (KGlobalSettings::singleClick()) {
+ connect(this, SIGNAL(clicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ } else {
+ connect(this, SIGNAL(doubleClicked(QModelIndex)), m_controller, SLOT(triggerItem(QModelIndex)));
+ }
+}
+
+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 nameColumnArea(nameColumnX, selRect.y(), nameColumnWidth, selRect.height());
+ selRect = nameColumnArea.intersect(selRect).normalized();
+ // Get the last elastic band rectangle, expressed in viewpoint coordinates.
+ const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+ QRect oldSelRect = QRect(m_band.lastSelectionOrigin - scrollPos, m_band.lastSelectionDestination - scrollPos).normalized();
+
+ if (selRect.isNull()) {
+ selectionModel()->select(m_band.originalSelection, QItemSelectionModel::ClearAndSelect);
+ 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 == oldSelRect.top() / rowHeight) &&
+ (selRect.bottom() / rowHeight == oldSelRect.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 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;
+ }
+ }
+ } else {
+ // This is the only piece of optimization data that needs to be explicitly
+ // discarded.
+ m_band.lastSelectionOrigin = QPoint();
+ m_band.lastSelectionDestination = QPoint();
+ oldSelRect = selRect;
+ }
+
+ // 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(oldSelRect).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()) {
+ selectionModel()->select(m_band.originalSelection, QItemSelectionModel::ClearAndSelect);
+ 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);
+
+ // Update some optimization 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 originallySelected = m_band.originalSelection.contains(currIndex);
+ bool intersectsSelectedRect = currIndexRect.intersects(selRect);
+ bool shouldBeSelected = (intersectsSelectedRect && !originallySelected) || (!intersectsSelectedRect && originallySelected);
+ bool needToToggleItem = (currentlySelected && !shouldBeSelected) || (!currentlySelected && shouldBeSelected);
+ 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) {
+ formingToggleIndexRange = false;
+ // If this is the last item in the bounds and it is also the beginning of a range,
+ // don't toggle lastIndex - it will already have been dealt with.
+ if (!allItemsInBoundDone || toggleIndexRangeBegin != currIndex) {
+ itemsToToggle.select(toggleIndexRangeBegin, lastIndex);
+ }
+ // Need to start a new range immediately with currIndex?
+ if (needToToggleItem) {
+ toggleIndexRangeBegin = currIndex;
+ formingToggleIndexRange = true;
+ }
+ if (allItemsInBoundDone && needToToggleItem) {
+ // Toggle the very last item in the bounds.
+ itemsToToggle.select(currIndex, currIndex);
+ }
+ }
+
+ // next item
+ lastIndex = currIndex;
+ currIndex = nextIndex;
+ } while (!allItemsInBoundDone);
+
+
+ selectionModel()->select(itemsToToggle, QItemSelectionModel::Toggle);
+
+ m_band.lastSelectionOrigin = m_band.origin;
+ m_band.lastSelectionDestination = m_band.destination;
+ m_band.ignoreOldInfo = false;
}
-void DolphinDetailsView::updateDecorationSize()
+void DolphinDetailsView::setFoldersExpandable(bool expandable)
{
+ if (!expandable) {
+ // collapse all expanded folders, as QTreeView::setItemsExpandable(false)
+ // does not do this task
+ const int rowCount = model()->rowCount();
+ for (int row = 0; row < rowCount; ++row) {
+ setExpanded(model()->index(row, 0), false);
+ }
+ }
DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
- const int iconSize = settings->iconSize();
- m_viewOptions.decorationSize = QSize(iconSize, iconSize);
+ settings->setExpandableFolders(expandable);
+ setRootIsDecorated(expandable);
+ setItemsExpandable(expandable);
+
+ // The width of the space which is available for editing has changed
+ // because of the (dis)appearance of the expanding toggles
+ adjustMaximumSizeForEditing(currentIndex());
+}
+
+void DolphinDetailsView::slotExpanded(const QModelIndex& index)
+{
+ KFileItem item = m_controller->itemForIndex(index);
+ if (!item.isNull()) {
+ m_expandedUrls.insert(item.url());
+ }
+}
+
+void DolphinDetailsView::slotCollapsed(const QModelIndex& index)
+{
+ KFileItem item = m_controller->itemForIndex(index);
+ if (!item.isNull()) {
+ m_expandedUrls.remove(item.url());
+ }
+}
+
+void DolphinDetailsView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
+{
+ removeExpandedIndexes(parent, start, end);
+ QTreeView::rowsAboutToBeRemoved(parent, start, end);
+}
+
+void DolphinDetailsView::removeExpandedIndexes(const QModelIndex& parent, int start, int end)
+{
+ if (m_expandedUrls.isEmpty()) {
+ return;
+ }
+
+ for (int row = start; row <= end; row++) {
+ const QModelIndex index = model()->index(row, 0, parent);
+ if (isExpanded(index)) {
+ slotCollapsed(index);
+ removeExpandedIndexes(index, 0, model()->rowCount(index) - 1);
+ }
+ }
+}
- m_controller->setZoomInPossible(isZoomInPossible());
- m_controller->setZoomOutPossible(isZoomOutPossible());
+void DolphinDetailsView::updateDecorationSize(bool showPreview)
+{
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ const int iconSize = showPreview ? settings->previewSize() : settings->iconSize();
+ setIconSize(QSize(iconSize, iconSize));
+ m_decorationSize = QSize(iconSize, iconSize);
doItemsLayout();
}
-QPoint DolphinDetailsView::contentsPos() const
+KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) 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);
+ KFileItemDelegate::Information info = KFileItemDelegate::NoInformation;
- 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);
+ 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;
}
- const int y = scrollbar->sliderPosition() * maxHeight / visibleHeight;
- return QPoint(0, y);
+ return info;
}
-QRect DolphinDetailsView::elasticBandRect() const
+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[DolphinModel::Version + 1];
+ columnWidth[DolphinModel::Size] = fontMetrics.width("00000 Items");
+ columnWidth[DolphinModel::ModifiedTime] = fontMetrics.width("0000-00-00 00:00");
+ columnWidth[DolphinModel::Permissions] = fontMetrics.width("xxxxxxxxxx");
+ columnWidth[DolphinModel::Owner] = fontMetrics.width("xxxxxxxxxx");
+ columnWidth[DolphinModel::Group] = fontMetrics.width("xxxxxxxxxx");
+ columnWidth[DolphinModel::Type] = fontMetrics.width("XXXX Xxxxxxx");
+ columnWidth[DolphinModel::Version] = fontMetrics.width("xxxxxxxx");
+
+ 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;
+
+ const int minNameWidth = 300;
+ if (columnWidth[KDirModel::Name] < minNameWidth) {
+ columnWidth[KDirModel::Name] = minNameWidth;
+
+ // It might be possible that the name column width can be
+ // decreased without clipping any text. For performance
+ // reasons the exact necessary width for full visible names is
+ // only checked for up to 200 items:
+ const int rowCount = model()->rowCount();
+ if (rowCount > 0 && rowCount < 200) {
+ const int nameWidth = sizeHintForColumn(DolphinModel::Name);
+ if (nameWidth + requiredWidth <= viewport()->width()) {
+ columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth;
+ } else if (nameWidth < minNameWidth) {
+ columnWidth[KDirModel::Name] = nameWidth;
+ }
+ }
+ }
+
+ headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]);
+}
+
+bool DolphinDetailsView::isAboveExpandingToggle(const QPoint& pos) const
+{
+ // QTreeView offers no public API to get the information whether an index has an
+ // expanding toggle and what boundaries the toggle has. The following approach
+ // also assumes a toggle for file items.
+ if (itemsExpandable()) {
+ const QModelIndex index = QTreeView::indexAt(pos);
+ if (index.isValid() && (index.column() == KDirModel::Name)) {
+ QRect rect = visualRect(index);
+ const int toggleSize = rect.height();
+ if (isRightToLeft()) {
+ rect.moveRight(rect.right());
+ } else {
+ rect.moveLeft(rect.x() - toggleSize);
+ }
+ rect.setWidth(toggleSize);
+
+ QStyleOption opt;
+ opt.initFrom(this);
+ opt.rect = rect;
+ rect = style()->subElementRect(QStyle::SE_TreeViewDisclosureItem, &opt, this);
+
+ return rect.contains(pos);
+ }
+ }
+ return false;
+}
+
+void DolphinDetailsView::adjustMaximumSizeForEditing(const QModelIndex& index)
+{
+ // Make sure that the full width of the "Name" column is available for "Rename Inline"
+ m_extensionsFactory->fileItemDelegate()->setMaximumSize(QTreeView::visualRect(index).size());
+}
+
+DolphinDetailsView::ElasticBand::ElasticBand() :
+ show(false),
+ origin(),
+ destination(),
+ lastSelectionOrigin(),
+ lastSelectionDestination(),
+ ignoreOldInfo(true),
+ outsideNearestLeftEdge(0),
+ outsideNearestRightEdge(0),
+ insideNearestLeftEdge(0),
+ insideNearestRightEdge(0)
{
- const QPoint pos(contentsPos());
- const QPoint topLeft(m_elasticBandOrigin.x() - pos.x(), m_elasticBandOrigin.y() - pos.y());
- return QRect(topLeft, m_elasticBandDestination).normalized();
}
#include "dolphindetailsview.moc"
projects / dolphin.git / blobdiff