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

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/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
*
* 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 <QAbstractItemModel>
#include <QList>
#include <QVariant>
#include <QString>
#include <QIcon>
#include <QAction>
#include <QGridLayout>
#include <QInputDialog>
#include <QLayout>
#include <QLineEdit>
#include <QMimeData>
#include <QRect>
#include <QSize>
#include <QToolTip>
#include <QLayoutItem>
#include <QMenu>
#include <QMessageBox>
#include <QTabBar>
#include <QCheckBox>
#include <QDialogButtonBox>
#include <QtEvents>
#include <QSettings>
#include "core/iconloader.h"
#include "core/logging.h"
#include "core/mimedata.h"
#include "core/song.h"
#include "widgets/favoritewidget.h"
#include "widgets/renametablineedit.h"
#include "playlist.h"
#include "playlistmanager.h"
#include "playlisttabbar.h"
const char *PlaylistTabBar::kSettingsGroup = "PlaylistTabBar";
PlaylistTabBar::PlaylistTabBar(QWidget *parent)
: QTabBar(parent),
manager_(nullptr),
menu_(new QMenu(this)),
menu_index_(-1),
suppress_current_changed_(false),
initialized_(false),
rename_editor_(new RenameTabLineEdit(this)) {
setAcceptDrops(true);
setElideMode(Qt::ElideRight);
setUsesScrollButtons(true);
setTabsClosable(true);
close_ = menu_->addAction(IconLoader::Load("list-remove"), tr("Close playlist"), this, SLOT(Close()));
rename_ = menu_->addAction(IconLoader::Load("edit-rename"), tr("Rename playlist..."), this, SLOT(Rename()));
save_ = menu_->addAction(IconLoader::Load("document-save"), tr("Save playlist..."), this, SLOT(Save()));
menu_->addSeparator();
rename_editor_->setVisible(false);
connect(rename_editor_, SIGNAL(editingFinished()), SLOT(RenameInline()));
connect(rename_editor_, SIGNAL(EditingCanceled()), SLOT(HideEditor()));
connect(this, SIGNAL(currentChanged(int)), SLOT(CurrentIndexChanged(int)));
connect(this, SIGNAL(tabMoved(int, int)), SLOT(TabMoved()));
// We can't just emit Close signal, we need to extract the playlist id first
connect(this, SIGNAL(tabCloseRequested(int)), SLOT(CloseFromTabIndex(int)));
}
void PlaylistTabBar::SetActions(QAction *new_playlist, QAction *load_playlist) {
menu_->insertAction(nullptr, new_playlist);
menu_->insertAction(nullptr, load_playlist);
new_ = new_playlist;
}
void PlaylistTabBar::SetManager(PlaylistManager *manager) {
manager_ = manager;
connect(manager_, SIGNAL(PlaylistFavorited(int, bool)), SLOT(PlaylistFavoritedSlot(int, bool)));
connect(manager_, SIGNAL(PlaylistManagerInitialized()), this, SLOT(PlaylistManagerInitialized()));
}
void PlaylistTabBar::PlaylistManagerInitialized() {
// Signal that we are done loading and thus further changes should be committed to the db.
initialized_ = true;
disconnect(manager_, SIGNAL(PlaylistManagerInitialized()), this, SLOT(PlaylistManagerInitialized()));
}
void PlaylistTabBar::contextMenuEvent(QContextMenuEvent *e) {
// We need to finish the renaming action before showing context menu
if (rename_editor_->isVisible()) {
//discard any change
HideEditor();
}
menu_index_ = tabAt(e->pos());
rename_->setEnabled(menu_index_ != -1);
close_->setEnabled(menu_index_ != -1 && count() > 1);
save_->setEnabled(menu_index_ != -1);
menu_->popup(e->globalPos());
}
void PlaylistTabBar::mouseReleaseEvent(QMouseEvent *e) {
if (e->button() == Qt::MiddleButton) {
// Update menu index
menu_index_ = tabAt(e->pos());
Close();
}
QTabBar::mouseReleaseEvent(e);
}
void PlaylistTabBar::mouseDoubleClickEvent(QMouseEvent *e) {
int index = tabAt(e->pos());
// Discard a double click with the middle button
if (e->button() != Qt::MiddleButton) {
if (index == -1) {
new_->activate(QAction::Trigger);
}
else {
//update current tab
menu_index_ = index;
//set position
rename_editor_->setGeometry(tabRect(index));
rename_editor_->setText(tabText(index));
rename_editor_->setVisible(true);
rename_editor_->setFocus();
}
}
QTabBar::mouseDoubleClickEvent(e);
}
void PlaylistTabBar::Rename() {
if (menu_index_ == -1) return;
QString name = tabText(menu_index_);
name = QInputDialog::getText(this, tr("Rename playlist"), tr("Enter a new name for this playlist"), QLineEdit::Normal, name);
if (name.isNull()) return;
emit Rename(tabData(menu_index_).toInt(), name);
}
void PlaylistTabBar::RenameInline() {
emit Rename(tabData(menu_index_).toInt(), rename_editor_->text());
HideEditor();
}
void PlaylistTabBar::HideEditor() {
// editingFinished() will be called twice due to Qt bug #40, so we reuse the same instance, don't delete it
rename_editor_->setVisible(false);
// Hack to give back focus to playlist view
manager_->SetCurrentPlaylist(manager_->current()->id());
}
void PlaylistTabBar::Close() {
if (menu_index_ == -1) return;
const int playlist_id = tabData(menu_index_).toInt();
QSettings s;
s.beginGroup(kSettingsGroup);
const bool ask_for_delete = s.value("warn_close_playlist", true).toBool();
if (ask_for_delete && !manager_->IsPlaylistFavorite(playlist_id) && !manager_->playlist(playlist_id)->GetAllSongs().empty()) {
QMessageBox confirmation_box;
confirmation_box.setWindowIcon(QIcon(":/icons/64x64/strawberry.png"));
confirmation_box.setWindowTitle(tr("Remove playlist"));
confirmation_box.setIcon(QMessageBox::Question);
confirmation_box.setText(
tr("You are about to remove a playlist which is not part of your "
"favorite playlists: "
"the playlist will be deleted (this action cannot be undone). \n"
"Are you sure you want to continue?"));
confirmation_box.setStandardButtons(QMessageBox::Yes | QMessageBox::Cancel);
QCheckBox dont_prompt_again(tr("Warn me when closing a playlist tab"), &confirmation_box);
dont_prompt_again.setChecked(ask_for_delete);
dont_prompt_again.blockSignals(true);
dont_prompt_again.setToolTip(tr("This option can be changed in the \"Behavior\" preferences"));
QGridLayout *grid = qobject_cast<QGridLayout*>(confirmation_box.layout());
QDialogButtonBox *buttons = confirmation_box.findChild<QDialogButtonBox*>();
if (grid && buttons) {
const int index = grid->indexOf(buttons);
int row, column, row_span, column_span = 0;
grid->getItemPosition(index, &row, &column, &row_span, &column_span);
QLayoutItem *buttonsItem = grid->takeAt(index);
grid->addWidget(&dont_prompt_again, row, column, row_span, column_span, Qt::AlignLeft | Qt::AlignTop);
grid->addItem(buttonsItem, ++row, column, row_span, column_span);
}
else {
confirmation_box.addButton(&dont_prompt_again, QMessageBox::ActionRole);
}
if (confirmation_box.exec() != QMessageBox::Yes) {
return;
}
// If user changed the pref, save the new one
if (dont_prompt_again.isChecked() != ask_for_delete) {
s.setValue("warn_close_playlist", dont_prompt_again.isChecked());
}
}
// Close the playlist. If the playlist is not a favorite playlist, it will be deleted, as it will not be visible after being closed.
// Otherwise, the tab is closed but the playlist still exists and can be resurrected from the "Playlists" tab.
emit Close(playlist_id);
// Select the nearest tab.
if (menu_index_ > 1) {
setCurrentIndex(menu_index_ - 1);
}
// Update playlist tab order/visibility
TabMoved();
}
void PlaylistTabBar::CloseFromTabIndex(int index) {
// Update the global index
menu_index_ = index;
Close();
}
void PlaylistTabBar::Save() {
if (menu_index_ == -1) return;
emit Save(tabData(menu_index_).toInt());
}
int PlaylistTabBar::current_id() const {
if (currentIndex() == -1) return -1;
return tabData(currentIndex()).toInt();
}
int PlaylistTabBar::index_of(int id) const {
for (int i = 0; i < count(); ++i) {
if (tabData(i).toInt() == id) {
return i;
}
}
return -1;
}
void PlaylistTabBar::set_current_id(int id) { setCurrentIndex(index_of(id)); }
int PlaylistTabBar::id_of(int index) const {
if (index < 0 || index >= count()) {
qLog(Warning) << "Playlist tab index requested is out of bounds!";
return 0;
}
return tabData(index).toInt();
}
void PlaylistTabBar::set_icon_by_id(int id, const QIcon &icon) {
setTabIcon(index_of(id), icon);
}
void PlaylistTabBar::RemoveTab(int id) {
removeTab(index_of(id));
}
void PlaylistTabBar::set_text_by_id(int id, const QString &text) {
setTabText(index_of(id), text);
setTabToolTip(index_of(id), text);
}
void PlaylistTabBar::CurrentIndexChanged(int index) {
if (!suppress_current_changed_) emit CurrentIdChanged(tabData(index).toInt());
}
void PlaylistTabBar::InsertTab(int id, int index, const QString &text, bool favorite) {
suppress_current_changed_ = true;
insertTab(index, text);
setTabData(index, id);
setTabToolTip(index, text);
FavoriteWidget *widget = new FavoriteWidget(id, favorite);
widget->setToolTip(
tr("Click here to favorite this playlist so it will be saved and remain accessible"
"through the \"Playlists\" panel on the left side bar"));
connect(widget, SIGNAL(FavoriteStateChanged(int, bool)), SIGNAL(PlaylistFavorited(int, bool)));
setTabButton(index, QTabBar::LeftSide, widget);
suppress_current_changed_ = false;
// If we are still starting up, we don't need to do this, as the tab ordering after startup will be the same as was already in the db.
if (initialized_) {
if (currentIndex() == index) emit CurrentIdChanged(id);
// Update playlist tab order/visibility
TabMoved();
}
}
void PlaylistTabBar::TabMoved() {
QList<int> ids;
for (int i = 0; i < count(); ++i) {
ids << tabData(i).toInt();
}
emit PlaylistOrderChanged(ids);
}
void PlaylistTabBar::dragEnterEvent(QDragEnterEvent *e) {
if (e->mimeData()->hasUrls() || e->mimeData()->hasFormat(Playlist::kRowsMimetype) || qobject_cast<const MimeData*>(e->mimeData())) {
e->acceptProposedAction();
}
}
void PlaylistTabBar::dragMoveEvent(QDragMoveEvent *e) {
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
drag_hover_tab_ = tabAt(e->position().toPoint());
#else
drag_hover_tab_ = tabAt(e->pos());
#endif
if (drag_hover_tab_ != -1) {
e->setDropAction(Qt::CopyAction);
e->accept(tabRect(drag_hover_tab_));
if (!drag_hover_timer_.isActive())
drag_hover_timer_.start(kDragHoverTimeout, this);
}
else {
drag_hover_timer_.stop();
}
}
void PlaylistTabBar::dragLeaveEvent(QDragLeaveEvent*) {
drag_hover_timer_.stop();
}
void PlaylistTabBar::timerEvent(QTimerEvent *e) {
QTabBar::timerEvent(e);
if (e->timerId() == drag_hover_timer_.timerId()) {
drag_hover_timer_.stop();
if (drag_hover_tab_ != -1) setCurrentIndex(drag_hover_tab_);
}
}
void PlaylistTabBar::dropEvent(QDropEvent *e) {
if (drag_hover_tab_ == -1) {
const MimeData *mime_data = qobject_cast<const MimeData*>(e->mimeData());
if(mime_data && !mime_data->name_for_new_playlist_.isEmpty()) {
manager_->New(mime_data->name_for_new_playlist_);
}
else {
manager_->New(tr("Playlist"));
}
setCurrentIndex(count() - 1);
}
else {
setCurrentIndex(drag_hover_tab_);
}
manager_->current()->dropMimeData(e->mimeData(), e->proposedAction(), -1, 0, QModelIndex());
}
bool PlaylistTabBar::event(QEvent *e) {
switch (e->type()) {
case QEvent::ToolTip: {
QHelpEvent *he = static_cast<QHelpEvent*>(e);
QSize real_tab = tabSizeHint(tabAt(he->pos()));
QRect displayed_tab = tabRect(tabAt(he->pos()));
// Check whether the tab is elided or not
bool is_elided = displayed_tab.width() < real_tab.width();
if (!is_elided) {
// If it's not elided, don't show the tooltip
QToolTip::hideText();
}
else {
QToolTip::showText(he->globalPos(), tabToolTip(tabAt(he->pos())));
}
return true;
}
default:
return QTabBar::event(e);
}
}
void PlaylistTabBar::PlaylistFavoritedSlot(int id, bool favorite) {
const int index = index_of(id);
FavoriteWidget *favorite_widget = qobject_cast<FavoriteWidget*>(tabButton(index, QTabBar::LeftSide));
if (favorite_widget) {
favorite_widget->SetFavorite(favorite);
}
}
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