138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2013, David Sansome <me@davidsansome.com>
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* Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <QWidget>
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#include <QFont>
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#include <QMimeData>
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#include <QPainter>
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#include <QPalette>
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#include <QRect>
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#include <QPaintEvent>
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#include "widgets/autoexpandingtreeview.h"
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#include "playlistlistview.h"
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#include "playlist.h"
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PlaylistListView::PlaylistListView(QWidget *parent) : AutoExpandingTreeView(parent) {}
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void PlaylistListView::paintEvent(QPaintEvent *event) {
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if (model()->rowCount() <= 0) {
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QPainter p(viewport());
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QRect rect(viewport()->rect());
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p.setPen(palette().color(QPalette::Disabled, QPalette::Text));
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QFont bold_font;
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bold_font.setBold(true);
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p.setFont(bold_font);
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p.drawText(rect, Qt::AlignHCenter | Qt::TextWordWrap,
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tr("\n\n"
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"You can favorite playlists by clicking the star icon next "
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"to a playlist name\n\n"
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"Favorited playlists will be saved here"));
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}
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else {
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AutoExpandingTreeView::paintEvent(event);
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}
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}
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bool PlaylistListView::ItemsSelected() const {
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return selectionModel()->selectedRows().count() > 0;
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}
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void PlaylistListView::selectionChanged(const QItemSelection&, const QItemSelection&) {
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emit ItemsSelectedChanged(selectionModel()->selectedRows().count() > 0);
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}
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void PlaylistListView::dragEnterEvent(QDragEnterEvent *e) {
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if (e->mimeData()->hasFormat(QLatin1String(Playlist::kRowsMimetype))) {
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e->acceptProposedAction();
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}
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else {
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AutoExpandingTreeView::dragEnterEvent(e);
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}
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}
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void PlaylistListView::dragMoveEvent(QDragMoveEvent *e) {
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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QModelIndex drag_hover_tab_ = indexAt(e->position().toPoint());
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#else
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QModelIndex drag_hover_tab_ = indexAt(e->pos());
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#endif
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if (e->mimeData()->hasFormat(QLatin1String(Playlist::kRowsMimetype))) {
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if (drag_hover_tab_ != currentIndex()) {
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e->setDropAction(Qt::CopyAction);
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e->accept(visualRect(drag_hover_tab_));
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setCurrentIndex(drag_hover_tab_);
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if (drag_hover_timer_.isActive()) {
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drag_hover_timer_.stop();
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}
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drag_hover_timer_.start(kDragHoverTimeout, this);
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}
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}
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else {
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AutoExpandingTreeView::dragMoveEvent(e);
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}
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}
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void PlaylistListView::dragLeaveEvent(QDragLeaveEvent *e) {
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if (drag_hover_timer_.isActive()) {
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drag_hover_timer_.stop();
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}
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AutoExpandingTreeView::dragLeaveEvent(e);
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}
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void PlaylistListView::timerEvent(QTimerEvent *e) {
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QTreeView::timerEvent(e);
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if (e->timerId() == drag_hover_timer_.timerId()) {
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drag_hover_timer_.stop();
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emit doubleClicked(currentIndex());
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}
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}
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void PlaylistListView::dropEvent(QDropEvent *e) {
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if (e->mimeData()->hasFormat(QLatin1String(Playlist::kRowsMimetype))) {
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if (drag_hover_timer_.isActive()) {
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drag_hover_timer_.stop();
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}
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emit ItemMimeDataDroppedSignal(currentIndex(), e->mimeData());
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}
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else {
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AutoExpandingTreeView::dropEvent(e);
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}
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}
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