* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "dolphindetailsview.h"
-#include "dolphinview.h"
-DolphinDetailsView::DolphinDetailsView(DolphinView* parent) :
- QListView(parent)
+#include "dolphinmodel.h"
+#include "dolphincontroller.h"
+#include "dolphinsettings.h"
+#include "dolphinsortfilterproxymodel.h"
+#include "viewproperties.h"
+
+#include "dolphin_detailsmodesettings.h"
+
+#include <QApplication>
+#include <QHeaderView>
+#include <QRubberBand>
+#include <QPainter>
+#include <QScrollBar>
+
+DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
+ QTreeView(parent),
+ m_controller(controller),
+ m_dragging(false),
+ m_showElasticBand(false),
+ m_elasticBandOrigin(),
+ m_elasticBandDestination()
{
+ Q_ASSERT(controller != 0);
+
+ setAcceptDrops(true);
+ setRootIsDecorated(false);
+ setSortingEnabled(true);
+ setUniformRowHeights(true);
+ setSelectionBehavior(SelectItems);
+ setDragDropMode(QAbstractItemView::DragDrop);
+ setDropIndicatorShown(false);
+ setAlternatingRowColors(true);
+
+ setMouseTracking(true);
+ viewport()->setAttribute(Qt::WA_Hover);
+
+ const ViewProperties props(controller->url());
+ setSortIndicatorSection(props.sorting());
+ setSortIndicatorOrder(props.sortOrder());
+
+ connect(header(), SIGNAL(sectionClicked(int)),
+ this, SLOT(synchronizeSortingState(int)));
+
+ connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
+ this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
+ connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
+ this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
+
+ // TODO: Connecting to the signal 'activated()' is not possible, as kstyle
+ // does not forward the single vs. doubleclick to it yet (KDE 4.1?). Hence it is
+ // necessary connecting the signal 'singleClick()' or 'doubleClick' and to handle the
+ // RETURN-key in keyPressEvent().
+ if (KGlobalSettings::singleClick()) {
+ connect(this, SIGNAL(clicked(const QModelIndex&)),
+ this, SLOT(slotItemActivated(const QModelIndex&)));
+ } else {
+ connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
+ this, SLOT(slotItemActivated(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()));
+
+ // apply the details mode settings to the widget
+ const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ Q_ASSERT(settings != 0);
+
+ m_viewOptions = QTreeView::viewOptions();
+
+ QFont font(settings->fontFamily(), settings->fontSize());
+ font.setItalic(settings->italicFont());
+ font.setBold(settings->boldFont());
+ m_viewOptions.font = font;
+
+ updateDecorationSize();
}
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);
+ }
+
+ if (!settings->showOwner()) {
+ hideColumn(DolphinModel::Owner);
+ }
+
+ if (!settings->showGroup()) {
+ hideColumn(DolphinModel::Group);
+ }
+
+ if (!settings->showType()) {
+ hideColumn(DolphinModel::Type);
+ }
+ }
+
+ return QTreeView::event(event);
+}
+
+QStyleOptionViewItem DolphinDetailsView::viewOptions() const
+{
+ return m_viewOptions;
+}
+
+void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
+{
+ QTreeView::contextMenuEvent(event);
+ m_controller->triggerContextMenuRequest(event->pos());
+}
+
+void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
+{
+ m_controller->triggerActivation();
+
+ QTreeView::mousePressEvent(event);
+
+ const QModelIndex index = indexAt(event->pos());
+ if (!index.isValid() || (index.column() != DolphinModel::Name)) {
+ const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
+ if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
+ clearSelection();
+ }
+ }
+
+ if (event->button() == Qt::LeftButton) {
+ m_showElasticBand = true;
+
+ const QPoint pos(contentsPos());
+ m_elasticBandOrigin = event->pos();
+ m_elasticBandOrigin.setX(m_elasticBandOrigin.x() + pos.x());
+ m_elasticBandOrigin.setY(m_elasticBandOrigin.y() + pos.y());
+ m_elasticBandDestination = event->pos();
+ }
+}
+
+void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
+{
+ QTreeView::mouseMoveEvent(event);
+ if (m_showElasticBand) {
+ updateElasticBand();
+ }
+}
+
+void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
+{
+ QTreeView::mouseReleaseEvent(event);
+ if (m_showElasticBand) {
+ updateElasticBand();
+ m_showElasticBand = false;
+ }
+}
+
+void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
+{
+ if (event->mimeData()->hasUrls()) {
+ event->acceptProposedAction();
+ }
+
+ if (m_showElasticBand) {
+ 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);
+}
+
+void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
+{
+ QTreeView::dragMoveEvent(event);
+
+ // 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);
+ setDirtyRegion(m_dropRect);
+ }
+}
+
+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());
+ }
+ QTreeView::dropEvent(event);
+ m_dragging = false;
+}
+
+void DolphinDetailsView::paintEvent(QPaintEvent* event)
+{
+ QTreeView::paintEvent(event);
+ if (m_showElasticBand) {
+ // The following code has been taken from QListView
+ // and adapted to DolphinDetailsView.
+ // (C) 1992-2007 Trolltech ASA
+ QStyleOptionRubberBand opt;
+ opt.initFrom(this);
+ opt.shape = QRubberBand::Rectangle;
+ opt.opaque = false;
+ opt.rect = elasticBandRect();
+
+ QPainter painter(viewport());
+ painter.save();
+ style()->drawControl(QStyle::CE_RubberBand, &opt, &painter);
+ painter.restore();
+ }
+
+ // TODO: remove this code when the issue #160611 is solved in Qt 4.4
+ if (m_dragging) {
+ const QBrush& brush = m_viewOptions.palette.brush(QPalette::Normal, QPalette::Highlight);
+ DolphinController::drawHoverIndication(viewport(), m_dropRect, brush);
+ }
+}
+
+void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
+{
+ QTreeView::keyPressEvent(event);
+
+ 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);
+ }
+}
+
+void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
+{
+ QHeaderView* headerView = header();
+ headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
+}
+
+void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
+{
+ QHeaderView* headerView = header();
+ headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
+}
+
+void DolphinDetailsView::synchronizeSortingState(int column)
+{
+ // The sorting has already been changed in QTreeView if this slot is
+ // invoked, but Dolphin is not informed about this.
+ DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
+ const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
+ m_controller->indicateSortingChange(sorting);
+ m_controller->indicateSortOrderChange(sortOrder);
+}
+
+void DolphinDetailsView::slotEntered(const QModelIndex& index)
+{
+ const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
+ const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
+ if (pos.x() < nameColumnWidth) {
+ m_controller->emitItemEntered(index);
+ }
+ 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);
+}
+
+void DolphinDetailsView::zoomIn()
+{
+ 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;
+ }
+ updateDecorationSize();
+ }
+}
+
+void DolphinDetailsView::zoomOut()
+{
+ 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;
+ }
+ updateDecorationSize();
+ }
+}
+
+bool DolphinDetailsView::isZoomInPossible() const
+{
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ return settings->iconSize() < K3Icon::SizeLarge;
+}
+
+bool DolphinDetailsView::isZoomOutPossible() const
+{
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ return settings->iconSize() > K3Icon::SizeSmall;
+}
+
+void DolphinDetailsView::updateDecorationSize()
+{
+ DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
+ const int iconSize = settings->iconSize();
+ m_viewOptions.decorationSize = QSize(iconSize, iconSize);
+
+ m_controller->setZoomInPossible(isZoomInPossible());
+ m_controller->setZoomOutPossible(isZoomOutPossible());
+
+ doItemsLayout();
+}
+
+QPoint DolphinDetailsView::contentsPos() const
+{
+ // implementation note: the horizonal position is ignored currently, as no
+ // horizontal scrolling is done anyway during a selection
+ const QScrollBar* scrollbar = verticalScrollBar();
+ Q_ASSERT(scrollbar != 0);
+
+ const int maxHeight = maximumViewportSize().height();
+ const int height = scrollbar->maximum() - scrollbar->minimum() + 1;
+ const int visibleHeight = model()->rowCount() + 1 - height;
+ if (visibleHeight <= 0) {
+ return QPoint(0, 0);
+ }
+
+ const int y = scrollbar->sliderPosition() * maxHeight / visibleHeight;
+ return QPoint(0, y);
+}
+
+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();
+}
+
+static bool isValidNameIndex(const QModelIndex& index)
+{
+ return index.isValid() && (index.column() == KDirModel::Name);
+}
+
+void DolphinDetailsView::slotItemActivated(const QModelIndex& index)
+{
+ if (!isValidNameIndex(index)) {
+ clearSelection();
+ m_controller->emitItemEntered(index);
+ } else {
+ m_controller->triggerItem(index);
+ }
+}
+
#include "dolphindetailsview.moc"
projects / dolphin.git / blobdiff