#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"
DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
QTreeView(parent),
m_autoResize(true),
+ m_expandingTogglePressed(false),
+ m_keyPressed(false),
+ m_useDefaultIndexAt(true),
m_controller(controller),
+ m_selectionManager(0),
m_font(),
m_decorationSize(),
- m_dragging(false),
m_showElasticBand(false),
m_elasticBandOrigin(),
m_elasticBandDestination()
Q_ASSERT(settings != 0);
Q_ASSERT(controller != 0);
+ setLayoutDirection(Qt::LeftToRight);
setAcceptDrops(true);
setSortingEnabled(true);
setUniformRowHeights(true);
setAlternatingRowColors(true);
setRootIsDecorated(settings->expandableFolders());
setItemsExpandable(settings->expandableFolders());
+ setEditTriggers(QAbstractItemView::NoEditTriggers);
setMouseTracking(true);
- viewport()->setAttribute(Qt::WA_Hover);
const ViewProperties props(controller->url());
setSortIndicatorSection(props.sorting());
if (KGlobalSettings::singleClick()) {
connect(this, SIGNAL(clicked(const QModelIndex&)),
controller, SLOT(triggerItem(const QModelIndex&)));
- if (DolphinSettings::instance().generalSettings()->showSelectionToggle()) {
- SelectionManager* selManager = new SelectionManager(this);
- connect(selManager, SIGNAL(selectionChanged()),
- this, SLOT(requestActivation()));
- connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
- selManager, SLOT(reset()));
- }
} else {
connect(this, SIGNAL(doubleClicked(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();
settings->italicFont());
}
-// 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
+
+ const DolphinView* view = controller->dolphinView();
+ connect(view, SIGNAL(showPreviewChanged()),
+ this, SLOT(slotShowPreviewChanged()));
- updateDecorationSize();
+ updateDecorationSize(view->showPreview());
setFocus();
+ viewport()->installEventFilter(this);
connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()),
this, SLOT(updateFont()));
+
+ m_useDefaultIndexAt = false;
}
DolphinDetailsView::~DolphinDetailsView()
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) {
+ } 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);
}
{
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;
+ }
+ }
+
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();
}
+
+ // restore the current index, other columns are handled as viewport area
+ selectionModel()->setCurrentIndex(current, QItemSelectionModel::Current);
}
- if (event->button() == Qt::LeftButton) {
+ if ((event->button() == Qt::LeftButton) && !m_expandingTogglePressed) {
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();
+ const QPoint pos = contentsPos();
+ const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+ m_elasticBandOrigin = event->pos() + pos + scrollPos;
+ m_elasticBandDestination = m_elasticBandOrigin;
}
}
clearSelection();
const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
- QRect selRect = QRect(m_elasticBandOrigin, m_elasticBandDestination).normalized();
+ QRect selRect = elasticBandRect();
const QRect nameColumnsRect(0, 0, nameColumnWidth, viewport()->height());
selRect = nameColumnsRect.intersected(selRect);
setSelection(selRect, QItemSelectionModel::Select);
+
}
- // TODO: see comment at end of method
+ // 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: see comment at end of method
- //QTreeView::mouseMoveEvent(event);
+ // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
+ // as the Qt-issue #199631 has been fixed.
+ // QTreeView::mouseMoveEvent(event);
QAbstractItemView::mouseMoveEvent(event);
}
- // The original implementation of QTreeView::mouseMoveEvent() looks like this (Qt4.4):
- //
- // void QTreeView::mouseMoveEvent(QMouseEvent *event)
- // {
- // Q_D(QTreeView);
- // if (d->itemDecorationAt(event->pos()) == -1) // ### what about expanding/collapsing state ?
- // QAbstractItemView::mouseMoveEvent(event);
- // }
- //
- // This prevents that the signal 'entered()' is emitted when the mouse is above a decoration,
- // although the hovered item has changed. The SelectionManager is connected to 'entered()'
- // and assumes that the old item is selected. This is currently bypassed by skipping
- // the base implementation and invoking QAbstractItemView::mouseMoveEvent() directly.
- // Submitted a bug report to Trolltech, bug ID is still pending.
+ 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);
+ 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_showElasticBand) {
updateElasticBand();
m_showElasticBand = false;
void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
{
DragAndDropHelper::startDrag(this, supportedActions);
+ m_showElasticBand = false;
}
void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
updateElasticBand();
m_showElasticBand = 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;
+ if (index.isValid() && (index.column() == DolphinModel::Name)) {
const KFileItem item = m_controller->itemForIndex(index);
if (!item.isNull() && item.isDir()) {
m_dropRect = visualRect(index);
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 = m_controller->itemForIndex(index);
- }
- m_controller->indicateDroppedUrls(urls,
- m_controller->url(),
- item);
+ 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)
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)
{
+ // 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) {
void DolphinDetailsView::wheelEvent(QWheelEvent* event)
{
+ if (m_selectionManager != 0) {
+ m_selectionManager->reset();
+ }
+
// let Ctrl+wheel events propagate to the DolphinView for icon zooming
- // (installing an event filter does not work, as the wheel event is handled first)
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_showElasticBand) {
+ m_useDefaultIndexAt = true;
+ QTreeView::setSelection(rect, command);
+ m_useDefaultIndexAt = false;
+ } else {
+ // Select the items contained within the elastic band.
+
+ // TODO - would this still work if the columns could be re-ordered
+ // (which I want to implement eventually :))?
+
+ // Very naive implementation - clears all selected, then walks a tree,
+ // selecting all items whose nameColumnRect(...) intersects rect.
+
+ // Choose a sensible startIndex - a parentless index in the
+ // name column, as close to the top of the rect as we
+ // can find.
+ QRect normalisedRect = rect.normalized();
+ QModelIndex startIndex = QTreeView::indexAt(normalisedRect.topLeft());
+ if (startIndex.isValid()) {
+ while (startIndex.parent().isValid()) {
+ startIndex = startIndex.parent();
+ }
+ } else {
+ // just pick the topmost row for safety
+ model()->index(0, KDirModel::Name);
+ }
+ startIndex = model()->index(startIndex.row(), KDirModel::Name);
+ clearSelection();
+ setSelectionRecursive(startIndex, normalisedRect, command);
+ }
+}
+
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()
{
if (m_showElasticBand) {
- QRect dirtyRegion(elasticBandRect());
- m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
+ QRect dirtyRegion(elasticBandRect());
+ const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+ m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos()) + scrollPos;
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();
+ const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+
+ const QPoint topLeft = m_elasticBandOrigin - pos - scrollPos;
+ const QPoint bottomRight = m_elasticBandDestination - pos - scrollPos;
+ return QRect(topLeft, bottomRight).normalized();
}
-void DolphinDetailsView::zoomIn()
+void DolphinDetailsView::setZoomLevel(int level)
{
- 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();
+ 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::zoomOut()
+
+void DolphinDetailsView::slotShowPreviewChanged()
{
- 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();
- }
+ const DolphinView* view = m_controller->dolphinView();
+ updateDecorationSize(view->showPreview());
}
void DolphinDetailsView::configureColumns(const QPoint& pos)
}
}
+void DolphinDetailsView::slotActivationChanged(bool active)
+{
+ setAlternatingRowColors(active);
+}
+
void DolphinDetailsView::disableAutoResizing()
{
m_autoResize = false;
}
}
-bool DolphinDetailsView::isZoomInPossible() const
+void DolphinDetailsView::updateDecorationSize(bool showPreview)
{
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();
+ 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();
}
headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]);
}
+QRect DolphinDetailsView::nameColumnRect(const QModelIndex& index) const
+{
+ 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;
+}
+
+void DolphinDetailsView::setSelectionRecursive(const QModelIndex& startIndex,
+ const QRect& rect,
+ QItemSelectionModel::SelectionFlags command)
+{
+ if (!startIndex.isValid()) {
+ return;
+ }
+
+ // rect is assumed to be in viewport coordinates and normalized.
+ // Move down through the siblings of startIndex, exploring the children
+ // of any expanded nodes.
+ Q_ASSERT(rect.width() >= 0 && rect.height() >= 0);
+ QModelIndex currIndex = startIndex;
+ do {
+ const QModelIndex belowIndex = indexBelow(currIndex);
+ if (isExpanded(currIndex)) {
+ // If belowIndex exists and is above the top of rect, then we need not explore
+ // the children of currIndex as they will always be above "below". Otherwise,
+ // explore the children.
+ if (!belowIndex.isValid() || visualRect(belowIndex).bottom() >= rect.top()) {
+ setSelectionRecursive(currIndex.child(0, currIndex.column()), rect, command);
+ }
+ }
+
+ QRect itemContentRect = nameColumnRect(currIndex);
+ if (itemContentRect.top() > rect.bottom()) {
+ // All remaining items will be below itemContentRect, so we may cull.
+ return;
+ }
+
+ if (itemContentRect.intersects(rect)) {
+ selectionModel()->select(currIndex, QItemSelectionModel::Select);
+ }
+
+ currIndex = belowIndex;
+ } while (currIndex.isValid());
+}
+
#include "dolphindetailsview.moc"