X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/88f17ca75add13baf3ac633e57865136deba02cc..fc9a6701da13b1d4527b36f19860b34762cd4b3c:/src/dolphindetailsview.cpp diff --git a/src/dolphindetailsview.cpp b/src/dolphindetailsview.cpp index 57d5eb81c..68b288b0b 100644 --- a/src/dolphindetailsview.cpp +++ b/src/dolphindetailsview.cpp @@ -24,6 +24,7 @@ #include "dolphincontroller.h" #include "dolphinsettings.h" #include "dolphinsortfilterproxymodel.h" +#include "draganddrophelper.h" #include "viewproperties.h" #include "dolphin_detailsmodesettings.h" @@ -43,6 +44,9 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) : QTreeView(parent), m_controller(controller), + m_font(), + m_decorationSize(), + m_clearAdditionalInfo(false), m_dragging(false), m_showElasticBand(false), m_elasticBandOrigin(), @@ -58,6 +62,7 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr setDragDropMode(QAbstractItemView::DragDrop); setDropIndicatorShown(false); setAlternatingRowColors(true); + setItemsExpandable(false); setMouseTracking(true); viewport()->setAttribute(Qt::WA_Hover); @@ -97,18 +102,14 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr this, SLOT(zoomIn())); connect(controller, SIGNAL(zoomOut()), this, SLOT(zoomOut())); + connect(controller->dolphinView(), SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)), + this, SLOT(updateColumnVisibility())); // apply the details mode settings to the widget const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings(); Q_ASSERT(settings != 0); - m_viewOptions = QTreeView::viewOptions(); - - QFont font(settings->fontFamily(), settings->fontSize()); - font.setItalic(settings->italicFont()); - font.setBold(settings->boldFont()); - m_viewOptions.font = font; - m_viewOptions.showDecorationSelected = true; + m_font = QFont(settings->fontFamily(), settings->fontSize()); // TODO: Remove this check when 4.3.2 is released and KDE requires it... this // check avoids a division by zero happening on versions before 4.3.1. @@ -131,37 +132,11 @@ DolphinDetailsView::~DolphinDetailsView() bool DolphinDetailsView::event(QEvent* event) { if (event->type() == QEvent::Polish) { - // Assure that by respecting the available width that: - // - the 'Name' column is stretched as large as possible - // - the remaining columns are as small as possible QHeaderView* headerView = header(); - headerView->setStretchLastSection(false); - headerView->setResizeMode(QHeaderView::ResizeToContents); - headerView->setResizeMode(0, QHeaderView::Stretch); + headerView->setResizeMode(QHeaderView::Interactive); headerView->setMovable(false); - // 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); - } + updateColumnVisibility(); hideColumn(DolphinModel::Rating); hideColumn(DolphinModel::Tags); @@ -184,7 +159,11 @@ bool DolphinDetailsView::event(QEvent* event) 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) @@ -235,6 +214,11 @@ void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event) } } +void DolphinDetailsView::startDrag(Qt::DropActions supportedActions) +{ + DragAndDropHelper::startDrag(this, supportedActions); +} + void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event) { if (event->mimeData()->hasUrls()) { @@ -268,7 +252,12 @@ void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event) m_dragging = false; } else { m_dragging = true; - m_dropRect = visualRect(index); + const KFileItem item = itemForIndex(index); + if (!item.isNull() && item.isDir()) { + m_dropRect = visualRect(index); + } else { + m_dropRect.setSize(QSize()); // set as invalid + } setDirtyRegion(m_dropRect); } } @@ -278,10 +267,14 @@ void DolphinDetailsView::dropEvent(QDropEvent* event) const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData()); if (!urls.isEmpty()) { event->acceptProposedAction(); + const QModelIndex index = indexAt(event->pos()); + KFileItem item; + if (index.isValid() && (index.column() == DolphinModel::Name)) { + item = itemForIndex(index); + } m_controller->indicateDroppedUrls(urls, m_controller->url(), - indexAt(event->pos()), - event->source()); + item); } QTreeView::dropEvent(event); m_dragging = false; @@ -308,8 +301,8 @@ void DolphinDetailsView::paintEvent(QPaintEvent* event) // 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); + const QBrush& brush = viewOptions().palette.brush(QPalette::Normal, QPalette::Highlight); + DragAndDropHelper::drawHoverIndication(viewport(), m_dropRect, brush); } } @@ -331,33 +324,28 @@ void DolphinDetailsView::resizeEvent(QResizeEvent* event) { QTreeView::resizeEvent(event); - // assure that the width of the name-column does not get too small - const int minWidth = 120; - QHeaderView* headerView = header(); - bool useFixedWidth = (headerView->sectionSize(KDirModel::Name) <= minWidth) - && (headerView->resizeMode(0) != QHeaderView::Fixed); - if (useFixedWidth) { - // the current width of the name-column is too small, hence - // use a fixed size - headerView->setResizeMode(QHeaderView::Fixed); - headerView->setResizeMode(0, QHeaderView::Fixed); - headerView->resizeSection(KDirModel::Name, minWidth); - } else if (headerView->resizeMode(0) != QHeaderView::Stretch) { - // check whether there is enough available viewport width - // to automatically resize the columns - const int availableWidth = viewport()->width(); - - int headerWidth = 0; - const int count = headerView->count(); - for (int i = 0; i < count; ++i) { - headerWidth += headerView->sectionSize(i); - } + // TODO: There seems to be no easy way to find out whether the resize event + // has been triggered because of resizing the window or by adjusting the column-width + // by a left mouse-click (the columns should only be resized automatically when the window + // size is adjusted). The following workaround works well, but it should be + // considered solving this in a more transparent way. + if (!(QApplication::mouseButtons() & Qt::LeftButton)) { + resizeColumns(); + } +} - if (headerWidth < availableWidth) { - headerView->setResizeMode(QHeaderView::ResizeToContents); - headerView->setResizeMode(0, QHeaderView::Stretch); - } +void DolphinDetailsView::closeEvent(QCloseEvent* event) +{ + if (m_clearAdditionalInfo) { + disconnect(m_controller->dolphinView(), SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)), + this, SLOT(updateColumnVisibility())); + + KFileItemDelegate::InformationList info; + info.append(KFileItemDelegate::NoInformation); + m_controller->indicateAdditionalInfoChange(info); + m_clearAdditionalInfo = false; } + QTreeView::closeEvent(event); } void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting) @@ -453,7 +441,7 @@ void DolphinDetailsView::configureColumns(const QPoint& pos) popup.addTitle(i18nc("@title:menu", "Columns")); QHeaderView* headerView = header(); - for (int i = DolphinModel::ModifiedTime; i <= DolphinModel::Type; ++i) { + 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); @@ -465,27 +453,51 @@ void DolphinDetailsView::configureColumns(const QPoint& pos) QAction* activatedAction = popup.exec(header()->mapToGlobal(pos)); if (activatedAction != 0) { const bool show = activatedAction->isChecked(); - DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings(); - Q_ASSERT(settings != 0); - - // remember the changed column visibility in the settings const int columnIndex = activatedAction->data().toInt(); - switch (columnIndex) { - case DolphinModel::ModifiedTime: settings->setShowDate(show); break; - case DolphinModel::Permissions: settings->setShowPermissions(show); break; - case DolphinModel::Owner: settings->setShowOwner(show); break; - case DolphinModel::Group: settings->setShowGroup(show); break; - case DolphinModel::Type: settings->setShowType(show); break; - default: break; - } - // apply the changed column visibility + KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo(); + const KFileItemDelegate::Information info = infoForColumn(columnIndex); if (show) { - showColumn(columnIndex); + Q_ASSERT(!list.contains(info)); + list.append(info); } else { - hideColumn(columnIndex); + Q_ASSERT(list.contains(info)); + const int index = list.indexOf(info); + list.removeAt(index); + } + + m_controller->indicateAdditionalInfoChange(list); + setColumnHidden(columnIndex, !show); + } +} + +void DolphinDetailsView::updateColumnVisibility() +{ + KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo(); + const bool useDefaultColumns = !isVisible() && + (list.isEmpty() || + list.contains(KFileItemDelegate::NoInformation)); + if (useDefaultColumns) { + // Using the details view without any additional information (-> additional column) + // makes no sense and leads to a usability problem as no viewport area is available + // anymore. Hence as fallback provide at least a size and date column. + list.clear(); + list.append(KFileItemDelegate::Size); + list.append(KFileItemDelegate::ModificationTime); + m_controller->indicateAdditionalInfoChange(list); + m_clearAdditionalInfo = true; + } + + for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) { + const KFileItemDelegate::Information info = infoForColumn(i); + const bool hide = !list.contains(info); + if (isColumnHidden(i) != hide) { + setColumnHidden(i, hide); + m_clearAdditionalInfo = false; } } + + resizeColumns(); } bool DolphinDetailsView::isZoomInPossible() const @@ -504,7 +516,7 @@ void DolphinDetailsView::updateDecorationSize() { DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings(); const int iconSize = settings->iconSize(); - m_viewOptions.decorationSize = QSize(iconSize, iconSize); + m_decorationSize = QSize(iconSize, iconSize); m_controller->setZoomInPossible(isZoomInPossible()); m_controller->setZoomOutPossible(isZoomOutPossible()); @@ -538,4 +550,57 @@ KFileItem DolphinDetailsView::itemForIndex(const QModelIndex& index) const return dirModel->itemForIndex(dirIndex); } +KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const +{ + KFileItemDelegate::Information info = KFileItemDelegate::NoInformation; + + switch (columnIndex) { + case DolphinModel::Size: info = KFileItemDelegate::Size; break; + case DolphinModel::ModifiedTime: info = KFileItemDelegate::ModificationTime; break; + case DolphinModel::Permissions: info = KFileItemDelegate::Permissions; break; + case DolphinModel::Owner: info = KFileItemDelegate::Owner; break; + case DolphinModel::Group: info = KFileItemDelegate::OwnerAndGroup; break; + case DolphinModel::Type: info = KFileItemDelegate::FriendlyMimeType; break; + default: break; + } + + return info; +} + +void DolphinDetailsView::resizeColumns() +{ + // Using the resize mode QHeaderView::ResizeToContents is too slow (it takes + // around 3 seconds for each (!) resize operation when having > 10000 items). + // This gets a problem especially when opening large directories, where several + // resize operations are received for showing the currently available items during + // loading (the application hangs around 20 seconds when loading > 10000 items). + + QHeaderView* headerView = header(); + QFontMetrics fontMetrics(viewport()->font()); + + int columnWidth[KDirModel::ColumnCount]; + columnWidth[KDirModel::Size] = fontMetrics.width("00000 Items"); + columnWidth[KDirModel::ModifiedTime] = fontMetrics.width("0000-00-00 00:00"); + columnWidth[KDirModel::Permissions] = fontMetrics.width("xxxxxxxxxx"); + columnWidth[KDirModel::Owner] = fontMetrics.width("xxxxxxxxxx"); + columnWidth[KDirModel::Group] = fontMetrics.width("xxxxxxxxxx"); + columnWidth[KDirModel::Type] = fontMetrics.width("XXXX Xxxxxxx"); + + int requiredWidth = 0; + for (int i = KDirModel::Size; i <= KDirModel::Type; ++i) { + if (!isColumnHidden(i)) { + columnWidth[i] += 20; // provide a default gap + requiredWidth += columnWidth[i]; + headerView->resizeSection(i, columnWidth[i]); + } + } + + // resize the name column in a way that the whole available width is used + columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth; + if (columnWidth[KDirModel::Name] < 120) { + columnWidth[KDirModel::Name] = 120; + } + headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]); +} + #include "dolphindetailsview.moc"