File indexing completed on 2024-04-28 15:26:39

 /*
     SPDX-FileCopyrightText: 2007 Peter Penz <peter.penz@gmx.at>
 
     SPDX-License-Identifier: LGPL-2.0-only
 */
 
 #include "kdiroperatordetailview_p.h"
 
 #include <kdirlister.h>
 #include <kdirmodel.h>
 
 #include <QApplication>
 #include <QDragEnterEvent>
 #include <QEvent>
 #include <QHeaderView>
 #include <QListView>
 #include <QMimeData>
 #include <QScrollBar>
 
 KDirOperatorDetailView::KDirOperatorDetailView(QWidget *parent)
     : QTreeView(parent)
     , m_hideDetailColumns(false)
 {
     setRootIsDecorated(false);
     setSortingEnabled(true);
     setUniformRowHeights(true);
     setDragDropMode(QListView::DragOnly);
     setSelectionBehavior(QAbstractItemView::SelectRows);
     setEditTriggers(QAbstractItemView::NoEditTriggers);
     setVerticalScrollMode(QListView::ScrollPerPixel);
     setHorizontalScrollMode(QListView::ScrollPerPixel);
 
     const QFontMetrics metrics(viewport()->font());
     const int singleStep = metrics.height() * QApplication::wheelScrollLines();
 
     verticalScrollBar()->setSingleStep(singleStep);
     horizontalScrollBar()->setSingleStep(singleStep);
 }
 
 KDirOperatorDetailView::~KDirOperatorDetailView()
 {
 }
 
 bool KDirOperatorDetailView::setViewMode(KFile::FileView viewMode)
 {
     bool tree = false;
 
     if (KFile::isDetailView(viewMode)) {
         m_hideDetailColumns = false;
         setAlternatingRowColors(true);
     } else if (KFile::isTreeView(viewMode)) {
         m_hideDetailColumns = true;
         setAlternatingRowColors(false);
         tree = true;
     } else if (KFile::isDetailTreeView(viewMode)) {
         m_hideDetailColumns = false;
         setAlternatingRowColors(true);
         tree = true;
     } else {
         return false;
     }
 
     setRootIsDecorated(tree);
     setItemsExpandable(tree);
     // This allows to have a horizontal scrollbar in case this view is used as
     // a plain treeview instead of cutting off filenames, especially useful when
     // using KDirOperator in horizontally limited parts of an app.
     if (tree && m_hideDetailColumns) {
         header()->setSectionResizeMode(QHeaderView::ResizeToContents);
     } else {
         header()->setSectionResizeMode(QHeaderView::Interactive);
     }
 
     return true;
 }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 void KDirOperatorDetailView::initViewItemOption(QStyleOptionViewItem *option) const
 {
     QTreeView::initViewItemOption(option);
     option->textElideMode = Qt::ElideMiddle;
 }
 #else
 QStyleOptionViewItem KDirOperatorDetailView::viewOptions() const
 {
     QStyleOptionViewItem viewOptions = QTreeView::viewOptions();
     viewOptions.textElideMode = Qt::ElideMiddle;
     return viewOptions;
 }
 #endif
 
 bool KDirOperatorDetailView::event(QEvent *event)
 {
     if (event->type() == QEvent::Polish) {
         QHeaderView *headerView = header();
         headerView->setSectionResizeMode(0, QHeaderView::Stretch);
         headerView->setSectionResizeMode(1, QHeaderView::ResizeToContents);
         headerView->setSectionResizeMode(2, QHeaderView::ResizeToContents);
         headerView->setStretchLastSection(false);
         headerView->setSectionsMovable(false);
 
         setColumnHidden(KDirModel::Size, m_hideDetailColumns);
         setColumnHidden(KDirModel::ModifiedTime, m_hideDetailColumns);
         hideColumn(KDirModel::Type);
         hideColumn(KDirModel::Permissions);
         hideColumn(KDirModel::Owner);
         hideColumn(KDirModel::Group);
     } else if (event->type() == QEvent::UpdateRequest) {
         // A wheel movement will scroll 4 items
         if (model()->rowCount()) {
             verticalScrollBar()->setSingleStep((sizeHintForRow(0) / 3) * 4);
         }
     }
 
     return QTreeView::event(event);
 }
 
 void KDirOperatorDetailView::dragEnterEvent(QDragEnterEvent *event)
 {
     if (event->mimeData()->hasUrls()) {
         event->acceptProposedAction();
     }
 }
 
 void KDirOperatorDetailView::mousePressEvent(QMouseEvent *event)
 {
     QTreeView::mousePressEvent(event);
 
     const QModelIndex index = indexAt(event->pos());
     if (!index.isValid() || (index.column() != KDirModel::Name)) {
         const Qt::KeyboardModifiers modifiers = QApplication::keyboardModifiers();
         if (!(modifiers & Qt::ShiftModifier) && !(modifiers & Qt::ControlModifier)) {
             clearSelection();
         }
     }
 }
 
 void KDirOperatorDetailView::currentChanged(const QModelIndex &current, const QModelIndex &previous)
 {
     QTreeView::currentChanged(current, previous);
 }
 
 #include "moc_kdiroperatordetailview_p.cpp"