strawberry-audio-player-win.../src/playlist/playlistlistview.cpp

138 lines
3.6 KiB
C++

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