/* This file is part of Clementine. Copyright 2010, David Sansome Clementine 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. Clementine 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 Clementine. If not, see . */ #include "config.h" #include "dynamicplaylistcontrols.h" #include "playlist.h" #include "playlistdelegates.h" #include "playlistheader.h" #include "playlistview.h" #include "core/application.h" #include "core/logging.h" #include "core/player.h" #include "covers/currentartloader.h" #include "ui/qt_blurimage.h" #include "ui/iconloader.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_MOODBAR #include "moodbar/moodbaritemdelegate.h" #endif const int PlaylistView::kStateVersion = 6; const int PlaylistView::kGlowIntensitySteps = 24; const int PlaylistView::kAutoscrollGraceTimeout = 30; // seconds const int PlaylistView::kDropIndicatorWidth = 2; const int PlaylistView::kDropIndicatorGradientWidth = 5; const char* PlaylistView::kSettingBackgroundImageType = "playlistview_background_type"; const char* PlaylistView::kSettingBackgroundImageFilename = "playlistview_background_image_file"; const int PlaylistView::kDefaultBlurRadius = 0; const int PlaylistView::kDefaultOpacityLevel = 40; PlaylistProxyStyle::PlaylistProxyStyle(QStyle* base) : QProxyStyle(base), cleanlooks_(new QCleanlooksStyle) {} void PlaylistProxyStyle::drawControl(ControlElement element, const QStyleOption* option, QPainter* painter, const QWidget* widget) const { if (element == CE_Header) { const QStyleOptionHeader* header_option = qstyleoption_cast(option); const QRect& rect = header_option->rect; const QString& text = header_option->text; const QFontMetrics& font_metrics = header_option->fontMetrics; // spaces added to make transition less abrupt if (rect.width() < font_metrics.width(text + " ")) { const Playlist::Column column = static_cast(header_option->section); QStyleOptionHeader new_option(*header_option); new_option.text = Playlist::abbreviated_column_name(column); QProxyStyle::drawControl(element, &new_option, painter, widget); return; } } if (element == CE_ItemViewItem) cleanlooks_->drawControl(element, option, painter, widget); else QProxyStyle::drawControl(element, option, painter, widget); } void PlaylistProxyStyle::drawPrimitive(PrimitiveElement element, const QStyleOption* option, QPainter* painter, const QWidget* widget) const { if (element == QStyle::PE_PanelItemViewRow || element == QStyle::PE_PanelItemViewItem) cleanlooks_->drawPrimitive(element, option, painter, widget); else QProxyStyle::drawPrimitive(element, option, painter, widget); } PlaylistView::PlaylistView(QWidget* parent) : QTreeView(parent), app_(nullptr), style_(new PlaylistProxyStyle(style())), playlist_(nullptr), header_(new PlaylistHeader(Qt::Horizontal, this, this)), setting_initial_header_layout_(false), upgrading_from_qheaderview_(false), read_only_settings_(true), upgrading_from_version_(-1), background_initialized_(false), background_image_type_(Default), blur_radius_(kDefaultBlurRadius), opacity_level_(kDefaultOpacityLevel), previous_background_image_opacity_(0.0), fade_animation_(new QTimeLine(1000, this)), last_height_(-1), last_width_(-1), force_background_redraw_(false), glow_enabled_(false), currently_glowing_(false), glow_intensity_step_(0), rating_delegate_(nullptr), inhibit_autoscroll_timer_(new QTimer(this)), inhibit_autoscroll_(false), currently_autoscrolling_(false), row_height_(-1), cached_current_row_row_(-1), drop_indicator_row_(-1), drag_over_(false), dynamic_controls_(new DynamicPlaylistControls(this)) { setHeader(header_); header_->setMovable(true); setStyle(style_); setMouseTracking(true); QIcon currenttrack_play = IconLoader::Load("currenttrack_play", IconLoader::Other); currenttrack_play_ = currenttrack_play.pixmap(currenttrack_play.availableSizes().last()); QIcon currenttrack_pause = IconLoader::Load("currenttrack_pause", IconLoader::Other); currenttrack_pause_ = currenttrack_pause.pixmap(currenttrack_pause.availableSizes().last()); connect(header_, SIGNAL(sectionResized(int, int, int)), SLOT(SaveGeometry())); connect(header_, SIGNAL(sectionMoved(int, int, int)), SLOT(SaveGeometry())); connect(header_, SIGNAL(sortIndicatorChanged(int, Qt::SortOrder)), SLOT(SaveGeometry())); connect(header_, SIGNAL(SectionVisibilityChanged(int, bool)), SLOT(SaveGeometry())); connect(header_, SIGNAL(SectionRatingLockStatusChanged(bool)), SLOT(SetRatingLockStatus(bool))); connect(header_, SIGNAL(sectionResized(int, int, int)), SLOT(InvalidateCachedCurrentPixmap())); connect(header_, SIGNAL(sectionMoved(int, int, int)), SLOT(InvalidateCachedCurrentPixmap())); connect(header_, SIGNAL(SectionVisibilityChanged(int, bool)), SLOT(InvalidateCachedCurrentPixmap())); connect(header_, SIGNAL(StretchEnabledChanged(bool)), SLOT(SaveSettings())); connect(header_, SIGNAL(StretchEnabledChanged(bool)), SLOT(StretchChanged(bool))); connect(header_, SIGNAL(MouseEntered()), SLOT(RatingHoverOut())); inhibit_autoscroll_timer_->setInterval(kAutoscrollGraceTimeout * 1000); inhibit_autoscroll_timer_->setSingleShot(true); connect(inhibit_autoscroll_timer_, SIGNAL(timeout()), SLOT(InhibitAutoscrollTimeout())); horizontalScrollBar()->installEventFilter(this); verticalScrollBar()->installEventFilter(this); setAlternatingRowColors(true); setAttribute(Qt::WA_MacShowFocusRect, false); dynamic_controls_->hide(); #ifdef Q_OS_DARWIN setVerticalScrollMode(QAbstractItemView::ScrollPerPixel); #endif // For fading connect(fade_animation_, SIGNAL(valueChanged(qreal)), SLOT(FadePreviousBackgroundImage(qreal))); fade_animation_->setDirection(QTimeLine::Backward); // 1.0 -> 0.0 } void PlaylistView::SetApplication(Application* app) { Q_ASSERT(app); app_ = app; connect(app_->current_art_loader(), SIGNAL(ArtLoaded(const Song&, const QString&, const QImage&)), SLOT(CurrentSongChanged(const Song&, const QString&, const QImage&))); connect(app_->player(), SIGNAL(Paused()), SLOT(StopGlowing())); connect(app_->player(), SIGNAL(Playing()), SLOT(StartGlowing())); connect(app_->player(), SIGNAL(Stopped()), SLOT(StopGlowing())); connect(app_->player(), SIGNAL(Stopped()), SLOT(PlayerStopped())); } void PlaylistView::SetItemDelegates(LibraryBackend* backend) { rating_delegate_ = new RatingItemDelegate(this); setItemDelegate(new PlaylistDelegateBase(this)); setItemDelegateForColumn(Playlist::Column_Title, new TextItemDelegate(this)); setItemDelegateForColumn( Playlist::Column_Album, new TagCompletionItemDelegate(this, backend, Playlist::Column_Album)); setItemDelegateForColumn( Playlist::Column_Artist, new TagCompletionItemDelegate(this, backend, Playlist::Column_Artist)); setItemDelegateForColumn(Playlist::Column_AlbumArtist, new TagCompletionItemDelegate( this, backend, Playlist::Column_AlbumArtist)); setItemDelegateForColumn( Playlist::Column_Genre, new TagCompletionItemDelegate(this, backend, Playlist::Column_Genre)); setItemDelegateForColumn( Playlist::Column_Composer, new TagCompletionItemDelegate(this, backend, Playlist::Column_Composer)); setItemDelegateForColumn( Playlist::Column_Performer, new TagCompletionItemDelegate(this, backend, Playlist::Column_Performer)); setItemDelegateForColumn( Playlist::Column_Grouping, new TagCompletionItemDelegate(this, backend, Playlist::Column_Grouping)); setItemDelegateForColumn(Playlist::Column_Length, new LengthItemDelegate(this)); setItemDelegateForColumn(Playlist::Column_Filesize, new SizeItemDelegate(this)); setItemDelegateForColumn(Playlist::Column_Filetype, new FileTypeItemDelegate(this)); setItemDelegateForColumn(Playlist::Column_DateCreated, new DateItemDelegate(this)); setItemDelegateForColumn(Playlist::Column_DateModified, new DateItemDelegate(this)); setItemDelegateForColumn(Playlist::Column_BPM, new PlaylistDelegateBase(this, tr("bpm"))); setItemDelegateForColumn(Playlist::Column_Samplerate, new PlaylistDelegateBase(this, ("Hz"))); setItemDelegateForColumn(Playlist::Column_Bitrate, new PlaylistDelegateBase(this, tr("kbps"))); setItemDelegateForColumn(Playlist::Column_Filename, new NativeSeparatorsDelegate(this)); setItemDelegateForColumn(Playlist::Column_Rating, rating_delegate_); setItemDelegateForColumn(Playlist::Column_LastPlayed, new LastPlayedItemDelegate(this)); #ifdef HAVE_MOODBAR setItemDelegateForColumn(Playlist::Column_Mood, new MoodbarItemDelegate(app_, this, this)); #endif if (app_ && app_->player()) { setItemDelegateForColumn(Playlist::Column_Source, new SongSourceDelegate(this, app_->player())); } else { header_->HideSection(Playlist::Column_Source); } } void PlaylistView::SetPlaylist(Playlist* playlist) { if (playlist_) { disconnect(playlist_, SIGNAL(CurrentSongChanged(Song)), this, SLOT(MaybeAutoscroll())); disconnect(playlist_, SIGNAL(DynamicModeChanged(bool)), this, SLOT(DynamicModeChanged(bool))); disconnect(playlist_, SIGNAL(destroyed()), this, SLOT(PlaylistDestroyed())); disconnect(playlist_, SIGNAL(QueueChanged()), this, SLOT(update())); disconnect(dynamic_controls_, SIGNAL(Expand()), playlist_, SLOT(ExpandDynamicPlaylist())); disconnect(dynamic_controls_, SIGNAL(Repopulate()), playlist_, SLOT(RepopulateDynamicPlaylist())); disconnect(dynamic_controls_, SIGNAL(TurnOff()), playlist_, SLOT(TurnOffDynamicPlaylist())); } playlist_ = playlist; LoadGeometry(); LoadRatingLockStatus(); ReloadSettings(); DynamicModeChanged(playlist->is_dynamic()); setFocus(); read_only_settings_ = false; JumpToLastPlayedTrack(); connect(playlist_, SIGNAL(RestoreFinished()), SLOT(JumpToLastPlayedTrack())); connect(playlist_, SIGNAL(CurrentSongChanged(Song)), SLOT(MaybeAutoscroll())); connect(playlist_, SIGNAL(DynamicModeChanged(bool)), SLOT(DynamicModeChanged(bool))); connect(playlist_, SIGNAL(destroyed()), SLOT(PlaylistDestroyed())); connect(playlist_, SIGNAL(QueueChanged()), SLOT(update())); connect(dynamic_controls_, SIGNAL(Expand()), playlist_, SLOT(ExpandDynamicPlaylist())); connect(dynamic_controls_, SIGNAL(Repopulate()), playlist_, SLOT(RepopulateDynamicPlaylist())); connect(dynamic_controls_, SIGNAL(TurnOff()), playlist_, SLOT(TurnOffDynamicPlaylist())); } void PlaylistView::setModel(QAbstractItemModel* m) { if (model()) { disconnect(model(), SIGNAL(dataChanged(QModelIndex, QModelIndex)), this, SLOT(InvalidateCachedCurrentPixmap())); disconnect(model(), SIGNAL(layoutAboutToBeChanged()), this, SLOT(RatingHoverOut())); // When changing the model, always invalidate the current pixmap. // If a remote client uses "stop after", without invaliding the stop // mark would not appear. InvalidateCachedCurrentPixmap(); } QTreeView::setModel(m); connect(model(), SIGNAL(dataChanged(QModelIndex, QModelIndex)), this, SLOT(InvalidateCachedCurrentPixmap())); connect(model(), SIGNAL(layoutAboutToBeChanged()), this, SLOT(RatingHoverOut())); } void PlaylistView::LoadGeometry() { QSettings settings; settings.beginGroup(Playlist::kSettingsGroup); QByteArray state(settings.value("state").toByteArray()); if (!header_->RestoreState(state)) { // Maybe we're upgrading from a version that persisted the state with // QHeaderView. if (!header_->restoreState(state)) { header_->HideSection(Playlist::Column_Disc); header_->HideSection(Playlist::Column_Year); header_->HideSection(Playlist::Column_OriginalYear); header_->HideSection(Playlist::Column_Genre); header_->HideSection(Playlist::Column_BPM); header_->HideSection(Playlist::Column_Bitrate); header_->HideSection(Playlist::Column_Samplerate); header_->HideSection(Playlist::Column_Filename); header_->HideSection(Playlist::Column_Filesize); header_->HideSection(Playlist::Column_Filetype); header_->HideSection(Playlist::Column_DateCreated); header_->HideSection(Playlist::Column_DateModified); header_->HideSection(Playlist::Column_AlbumArtist); header_->HideSection(Playlist::Column_Composer); header_->HideSection(Playlist::Column_Performer); header_->HideSection(Playlist::Column_Grouping); header_->HideSection(Playlist::Column_Rating); header_->HideSection(Playlist::Column_PlayCount); header_->HideSection(Playlist::Column_SkipCount); header_->HideSection(Playlist::Column_LastPlayed); header_->moveSection(header_->visualIndex(Playlist::Column_Track), 0); setting_initial_header_layout_ = true; } else { upgrading_from_qheaderview_ = true; } } // New columns that we add are visible by default if the user has upgraded // Clementine. Hide them again here const int state_version = settings.value("state_version", 0).toInt(); upgrading_from_version_ = state_version; if (state_version < 1) { header_->HideSection(Playlist::Column_Rating); header_->HideSection(Playlist::Column_PlayCount); header_->HideSection(Playlist::Column_SkipCount); header_->HideSection(Playlist::Column_LastPlayed); } if (state_version < 2) { header_->HideSection(Playlist::Column_Score); } if (state_version < 3) { header_->HideSection(Playlist::Column_Comment); } if (state_version < 5) { header_->HideSection(Playlist::Column_Mood); } if (state_version < 6) { header_->HideSection(Playlist::Column_Performer); header_->HideSection(Playlist::Column_Grouping); } // Make sure at least one column is visible bool all_hidden = true; for (int i = 0; i < header_->count(); ++i) { if (!header_->isSectionHidden(i) && header_->sectionSize(i) > 0) { all_hidden = false; break; } } if (all_hidden) { header_->ShowSection(Playlist::Column_Title); } } void PlaylistView::LoadRatingLockStatus() { QSettings s; s.beginGroup(Playlist::kSettingsGroup); ratings_locked_ = s.value("RatingLocked", false).toBool(); } void PlaylistView::SaveGeometry() { if (read_only_settings_) return; QSettings settings; settings.beginGroup(Playlist::kSettingsGroup); settings.setValue("state", header_->SaveState()); settings.setValue("state_version", kStateVersion); } void PlaylistView::SetRatingLockStatus(bool state) { if (read_only_settings_) return; ratings_locked_ = state; QSettings s; s.beginGroup(Playlist::kSettingsGroup); s.setValue("RatingLocked", state); } void PlaylistView::ReloadBarPixmaps() { currenttrack_bar_left_ = LoadBarPixmap(":currenttrack_bar_left.png"); currenttrack_bar_mid_ = LoadBarPixmap(":currenttrack_bar_mid.png"); currenttrack_bar_right_ = LoadBarPixmap(":currenttrack_bar_right.png"); } QList PlaylistView::LoadBarPixmap(const QString& filename) { QImage image(filename); image = image.scaledToHeight(row_height_, Qt::SmoothTransformation); // Colour the bar with the palette colour QPainter p(&image); p.setCompositionMode(QPainter::CompositionMode_SourceAtop); p.setOpacity(0.7); p.fillRect(image.rect(), QApplication::palette().color(QPalette::Highlight)); p.end(); // Animation steps QList ret; for (int i = 0; i < kGlowIntensitySteps; ++i) { QImage step(image.copy()); p.begin(&step); p.setCompositionMode(QPainter::CompositionMode_SourceAtop); p.setOpacity(0.4 - 0.6 * sin(float(i) / kGlowIntensitySteps * (M_PI / 2))); p.fillRect(step.rect(), Qt::white); p.end(); ret << QPixmap::fromImage(step); } return ret; } void PlaylistView::drawTree(QPainter* painter, const QRegion& region) const { const_cast(this)->current_paint_region_ = region; QTreeView::drawTree(painter, region); const_cast(this)->current_paint_region_ = QRegion(); } void PlaylistView::drawRow(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const { QStyleOptionViewItemV4 opt(option); bool is_current = index.data(Playlist::Role_IsCurrent).toBool(); bool is_paused = index.data(Playlist::Role_IsPaused).toBool(); if (is_current) { const_cast(this)->last_current_item_ = index; const_cast(this)->last_glow_rect_ = opt.rect; int step = glow_intensity_step_; if (step >= kGlowIntensitySteps) step = 2 * (kGlowIntensitySteps - 1) - step + 1; int row_height = opt.rect.height(); if (row_height != row_height_) { // Recreate the pixmaps if the height changed since last time const_cast(this)->row_height_ = row_height; const_cast(this)->ReloadBarPixmaps(); } QRect middle(opt.rect); middle.setLeft(middle.left() + currenttrack_bar_left_[0].width()); middle.setRight(middle.right() - currenttrack_bar_right_[0].width()); // Selection if (selectionModel()->isSelected(index)) painter->fillRect(opt.rect, opt.palette.color(QPalette::Highlight)); // Draw the bar painter->drawPixmap(opt.rect.topLeft(), currenttrack_bar_left_[step]); painter->drawPixmap( opt.rect.topRight() - currenttrack_bar_right_[0].rect().topRight(), currenttrack_bar_right_[step]); painter->drawPixmap(middle, currenttrack_bar_mid_[step]); // Draw the play icon QPoint play_pos(currenttrack_bar_left_[0].width() / 3 * 2, (row_height - currenttrack_play_.height()) / 2); painter->drawPixmap(opt.rect.topLeft() + play_pos, is_paused ? currenttrack_pause_ : currenttrack_play_); // Set the font opt.palette.setColor(QPalette::Inactive, QPalette::HighlightedText, QApplication::palette().color( QPalette::Active, QPalette::HighlightedText)); opt.palette.setColor(QPalette::Text, QApplication::palette().color( QPalette::HighlightedText)); opt.palette.setColor(QPalette::Highlight, Qt::transparent); opt.palette.setColor(QPalette::AlternateBase, Qt::transparent); opt.decorationSize = QSize(20, 20); // Draw the actual row data on top. We cache this, because it's fairly // expensive (1-2ms), and we do it many times per second. const bool cache_dirty = cached_current_row_rect_ != opt.rect || cached_current_row_row_ != index.row() || cached_current_row_.isNull(); // We can't update the cache if we're not drawing the entire region, // QTreeView clips its drawing to only the columns in the region, so it // wouldn't update the whole pixmap properly. const bool whole_region = current_paint_region_.boundingRect().width() == viewport()->width(); if (!cache_dirty) { painter->drawPixmap(opt.rect, cached_current_row_); } else { if (whole_region) { const_cast(this) ->UpdateCachedCurrentRowPixmap(opt, index); painter->drawPixmap(opt.rect, cached_current_row_); } else { QTreeView::drawRow(painter, opt, index); } } } else { QTreeView::drawRow(painter, opt, index); } } void PlaylistView::UpdateCachedCurrentRowPixmap(QStyleOptionViewItemV4 option, const QModelIndex& index) { cached_current_row_rect_ = option.rect; cached_current_row_row_ = index.row(); option.rect.moveTo(0, 0); cached_current_row_ = QPixmap(option.rect.size()); cached_current_row_.fill(Qt::transparent); QPainter p(&cached_current_row_); QTreeView::drawRow(&p, option, index); } void PlaylistView::InvalidateCachedCurrentPixmap() { cached_current_row_ = QPixmap(); } void PlaylistView::timerEvent(QTimerEvent* event) { QTreeView::timerEvent(event); if (event->timerId() == glow_timer_.timerId()) GlowIntensityChanged(); } void PlaylistView::GlowIntensityChanged() { glow_intensity_step_ = (glow_intensity_step_ + 1) % (kGlowIntensitySteps * 2); viewport()->update(last_glow_rect_); } void PlaylistView::StopGlowing() { currently_glowing_ = false; glow_timer_.stop(); glow_intensity_step_ = kGlowIntensitySteps; } void PlaylistView::StartGlowing() { currently_glowing_ = true; if (isVisible() && glow_enabled_) glow_timer_.start(1500 / kGlowIntensitySteps, this); } void PlaylistView::hideEvent(QHideEvent*) { glow_timer_.stop(); } void PlaylistView::showEvent(QShowEvent*) { if (currently_glowing_ && glow_enabled_) glow_timer_.start(1500 / kGlowIntensitySteps, this); MaybeAutoscroll(); } bool CompareSelectionRanges(const QItemSelectionRange& a, const QItemSelectionRange& b) { return b.bottom() < a.bottom(); } void PlaylistView::keyPressEvent(QKeyEvent* event) { if (!model() || state() == QAbstractItemView::EditingState) { QTreeView::keyPressEvent(event); } else if (event == QKeySequence::Delete) { RemoveSelected(false); event->accept(); #ifdef Q_OS_DARWIN } else if (event->key() == Qt::Key_Backspace) { RemoveSelected(false); event->accept(); #endif } else if (event == QKeySequence::Copy) { CopyCurrentSongToClipboard(); } else if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) { if (currentIndex().isValid()) emit PlayItem(currentIndex()); event->accept(); } else if (event->modifiers() != Qt::ControlModifier // Ctrl+Space selects // the item && event->key() == Qt::Key_Space) { emit PlayPause(); event->accept(); } else if (event->key() == Qt::Key_Left) { emit SeekBackward(); event->accept(); } else if (event->key() == Qt::Key_Right) { emit SeekForward(); event->accept(); } else if (event->modifiers() == Qt::NoModifier // No modifier keys currently pressed... // ... and key pressed is something related to text && ((event->key() >= Qt::Key_Exclam && event->key() <= Qt::Key_Z) || event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Escape)) { emit FocusOnFilterSignal(event); event->accept(); } else { QTreeView::keyPressEvent(event); } } void PlaylistView::contextMenuEvent(QContextMenuEvent* e) { emit RightClicked(e->globalPos(), indexAt(e->pos())); e->accept(); } void PlaylistView::RemoveSelected(bool deleting_from_disk) { int rows_removed = 0; QItemSelection selection(selectionModel()->selection()); if (selection.isEmpty()) { return; } // Store the last selected row, which is the last in the list int last_row = selection.last().top(); // Sort the selection so we remove the items at the *bottom* first, ensuring // we don't have to mess around with changing row numbers std::sort(selection.begin(), selection.end(), CompareSelectionRanges); for (const QItemSelectionRange& range : selection) { if (range.top() < last_row) rows_removed += range.height(); if (!deleting_from_disk) { model()->removeRows(range.top(), range.height(), range.topLeft()); } else { model()->removeRows(range.top(), range.height(), QModelIndex()); } } int new_row = last_row - rows_removed; // Index of the first column for the row to select QModelIndex new_index = model()->index(new_row, 0); // Select the new current item, we want always the item after the last // selected if (new_index.isValid()) { // Workaround to update keyboard selected row, if it's not the first row // (this also triggers selection) if (new_row != 0) keyPressEvent( new QKeyEvent(QEvent::KeyPress, Qt::Key_Down, Qt::NoModifier)); // Update visual selection with the entire row selectionModel()->select(new_index, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows); } else { // We're removing the last item, select the new last row selectionModel()->select( model()->index(model()->rowCount() - 1, 0), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows); } } QList PlaylistView::GetEditableColumns() { QList columns; QHeaderView* h = header(); for (int col = 0; col < h->count(); col++) { if (h->isSectionHidden(col)) continue; QModelIndex index = model()->index(0, col); if (index.flags() & Qt::ItemIsEditable) columns << h->visualIndex(col); } std::sort(columns.begin(), columns.end()); return columns; } QModelIndex PlaylistView::NextEditableIndex(const QModelIndex& current) { QList columns = GetEditableColumns(); QHeaderView* h = header(); int index = columns.indexOf(h->visualIndex(current.column())); if (index + 1 >= columns.size()) return model()->index(current.row() + 1, h->logicalIndex(columns.first())); return model()->index(current.row(), h->logicalIndex(columns[index + 1])); } QModelIndex PlaylistView::PrevEditableIndex(const QModelIndex& current) { QList columns = GetEditableColumns(); QHeaderView* h = header(); int index = columns.indexOf(h->visualIndex(current.column())); if (index - 1 < 0) return model()->index(current.row() - 1, h->logicalIndex(columns.last())); return model()->index(current.row(), h->logicalIndex(columns[index - 1])); } void PlaylistView::closeEditor(QWidget* editor, QAbstractItemDelegate::EndEditHint hint) { if (hint == QAbstractItemDelegate::NoHint) { QTreeView::closeEditor(editor, QAbstractItemDelegate::SubmitModelCache); } else if (hint == QAbstractItemDelegate::EditNextItem || hint == QAbstractItemDelegate::EditPreviousItem) { QModelIndex index; if (hint == QAbstractItemDelegate::EditNextItem) index = NextEditableIndex(currentIndex()); else index = PrevEditableIndex(currentIndex()); if (!index.isValid()) { QTreeView::closeEditor(editor, QAbstractItemDelegate::SubmitModelCache); } else { QTreeView::closeEditor(editor, QAbstractItemDelegate::NoHint); setCurrentIndex(index); edit(index); } } else { QTreeView::closeEditor(editor, hint); } } void PlaylistView::mouseMoveEvent(QMouseEvent* event) { // Check whether rating section is locked by user or not if (!ratings_locked_) { QModelIndex index = indexAt(event->pos()); if (index.isValid() && index.data(Playlist::Role_CanSetRating).toBool()) { RatingHoverIn(index, event->pos()); } else if (rating_delegate_->is_mouse_over()) { RatingHoverOut(); } } if (!drag_over_) { QTreeView::mouseMoveEvent(event); } } void PlaylistView::leaveEvent(QEvent* e) { if (rating_delegate_->is_mouse_over() && !ratings_locked_) { RatingHoverOut(); } QTreeView::leaveEvent(e); } void PlaylistView::RatingHoverIn(const QModelIndex& index, const QPoint& pos) { if (editTriggers() & QAbstractItemView::NoEditTriggers) { return; } const QModelIndex old_index = rating_delegate_->mouse_over_index(); rating_delegate_->set_mouse_over(index, selectedIndexes(), pos); setCursor(Qt::PointingHandCursor); update(index); update(old_index); for (const QModelIndex& index : selectedIndexes()) { if (index.column() == Playlist::Column_Rating) { update(index); } } if (index.data(Playlist::Role_IsCurrent).toBool() || old_index.data(Playlist::Role_IsCurrent).toBool()) { InvalidateCachedCurrentPixmap(); } } void PlaylistView::RatingHoverOut() { if (editTriggers() & QAbstractItemView::NoEditTriggers) { return; } const QModelIndex old_index = rating_delegate_->mouse_over_index(); rating_delegate_->set_mouse_out(); setCursor(QCursor()); update(old_index); for (const QModelIndex& index : selectedIndexes()) { if (index.column() == Playlist::Column_Rating) { update(index); } } if (old_index.data(Playlist::Role_IsCurrent).toBool()) { InvalidateCachedCurrentPixmap(); } } void PlaylistView::mousePressEvent(QMouseEvent* event) { if (editTriggers() & QAbstractItemView::NoEditTriggers) { QTreeView::mousePressEvent(event); return; } QModelIndex index = indexAt(event->pos()); if (event->button() == Qt::LeftButton && index.isValid() && index.data(Playlist::Role_CanSetRating).toBool() && !ratings_locked_) { // Calculate which star was clicked double new_rating = RatingPainter::RatingForPos(event->pos(), visualRect(index)); if (selectedIndexes().contains(index)) { // Update all the selected item ratings QModelIndexList src_index_list; for (const QModelIndex& index : selectedIndexes()) { if (index.data(Playlist::Role_CanSetRating).toBool()) { QModelIndex src_index = playlist_->proxy()->mapToSource(index); src_index_list << src_index; } } playlist_->RateSongs(src_index_list, new_rating); } else { // Update only this item rating playlist_->RateSong(playlist_->proxy()->mapToSource(index), new_rating); } } else if (event->button() == Qt::XButton1 && index.isValid()) { app_->player()->Previous(); } else if (event->button() == Qt::XButton2 && index.isValid()) { app_->player()->Next(); } else { QTreeView::mousePressEvent(event); } inhibit_autoscroll_ = true; inhibit_autoscroll_timer_->start(); } void PlaylistView::scrollContentsBy(int dx, int dy) { if (dx) { InvalidateCachedCurrentPixmap(); } cached_tree_ = QPixmap(); QTreeView::scrollContentsBy(dx, dy); if (!currently_autoscrolling_) { // We only want to do this if the scroll was initiated by the user inhibit_autoscroll_ = true; inhibit_autoscroll_timer_->start(); } } void PlaylistView::InhibitAutoscrollTimeout() { // For 30 seconds after the user clicks on or scrolls the playlist we promise // not to automatically scroll the view to keep up with a track change. inhibit_autoscroll_ = false; } void PlaylistView::MaybeAutoscroll() { if (!inhibit_autoscroll_) JumpToCurrentlyPlayingTrack(); } void PlaylistView::JumpToCurrentlyPlayingTrack() { Q_ASSERT(playlist_); // Usage of the "Jump to the currently playing track" action shall enable // autoscroll inhibit_autoscroll_ = false; if (playlist_->current_row() == -1) return; QModelIndex current = playlist_->proxy()->mapFromSource( playlist_->index(playlist_->current_row(), 0)); if (!current.isValid()) return; currently_autoscrolling_ = true; // Scroll to the item scrollTo(current, QAbstractItemView::PositionAtCenter); currently_autoscrolling_ = false; } void PlaylistView::JumpToLastPlayedTrack() { Q_ASSERT(playlist_); if (playlist_->last_played_row() == -1) return; QModelIndex last_played = playlist_->proxy()->mapFromSource( playlist_->index(playlist_->last_played_row(), 0)); if (!last_played.isValid()) return; // Select last played song last_current_item_ = last_played; setCurrentIndex(last_current_item_); currently_autoscrolling_ = true; // Scroll to the item scrollTo(last_played, QAbstractItemView::PositionAtCenter); currently_autoscrolling_ = false; } void PlaylistView::paintEvent(QPaintEvent* event) { // Reimplemented to draw the background image. // Reimplemented also to draw the drop indicator // When the user is dragging some stuff over the playlist paintEvent gets // called for the entire viewport every time the user moves the mouse. // The drawTree is kinda expensive, so we cache the result and draw from the // cache while the user is dragging. The cached pixmap gets invalidated in // dragLeaveEvent, dropEvent and scrollContentsBy. // Draw background if (background_image_type_ == Custom || background_image_type_ == AlbumCover) { if (!background_image_.isNull() || !previous_background_image_.isNull()) { QPainter background_painter(viewport()); // Check if we should recompute the background image if (height() != last_height_ || width() != last_width_ || force_background_redraw_) { if (background_image_.isNull()) { cached_scaled_background_image_ = QPixmap(); } else { cached_scaled_background_image_ = QPixmap::fromImage(background_image_.scaled( width(), height(), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation)); } last_height_ = height(); last_width_ = width(); force_background_redraw_ = false; } // Actually draw the background image if (!cached_scaled_background_image_.isNull()) { // Set opactiy only if needed, as this deactivate hardware acceleration if (!qFuzzyCompare(previous_background_image_opacity_, qreal(0.0))) { background_painter.setOpacity(1.0 - previous_background_image_opacity_); } background_painter.drawPixmap( (width() - cached_scaled_background_image_.width()) / 2, (height() - cached_scaled_background_image_.height()) / 2, cached_scaled_background_image_); } // Draw the previous background image if we're fading if (!previous_background_image_.isNull()) { background_painter.setOpacity(previous_background_image_opacity_); background_painter.drawPixmap( (width() - previous_background_image_.width()) / 2, (height() - previous_background_image_.height()) / 2, previous_background_image_); } } } QPainter p(viewport()); if (drop_indicator_row_ != -1) { if (cached_tree_.isNull()) { cached_tree_ = QPixmap(size()); cached_tree_.fill(Qt::transparent); QPainter cache_painter(&cached_tree_); drawTree(&cache_painter, event->region()); } p.drawPixmap(0, 0, cached_tree_); } else { drawTree(&p, event->region()); return; } const int first_column = header_->logicalIndex(0); // Find the y position of the drop indicator QModelIndex drop_index = model()->index(drop_indicator_row_, first_column); int drop_pos = -1; switch (dropIndicatorPosition()) { case QAbstractItemView::OnItem: return; // Don't draw anything case QAbstractItemView::AboveItem: drop_pos = visualRect(drop_index).top(); break; case QAbstractItemView::BelowItem: drop_pos = visualRect(drop_index).bottom() + 1; break; case QAbstractItemView::OnViewport: if (model()->rowCount() == 0) drop_pos = 1; else drop_pos = 1 + visualRect(model()->index(model()->rowCount() - 1, first_column)).bottom(); break; } // Draw a nice gradient first QColor line_color(QApplication::palette().color(QPalette::Highlight)); QColor shadow_color(line_color.lighter(140)); QColor shadow_fadeout_color(shadow_color); shadow_color.setAlpha(255); shadow_fadeout_color.setAlpha(0); QLinearGradient gradient(QPoint(0, drop_pos - kDropIndicatorGradientWidth), QPoint(0, drop_pos + kDropIndicatorGradientWidth)); gradient.setColorAt(0.0, shadow_fadeout_color); gradient.setColorAt(0.5, shadow_color); gradient.setColorAt(1.0, shadow_fadeout_color); QPen gradient_pen(QBrush(gradient), kDropIndicatorGradientWidth * 2); p.setPen(gradient_pen); p.drawLine(QPoint(0, drop_pos), QPoint(width(), drop_pos)); // Now draw the line on top QPen line_pen(line_color, kDropIndicatorWidth); p.setPen(line_pen); p.drawLine(QPoint(0, drop_pos), QPoint(width(), drop_pos)); } void PlaylistView::dragMoveEvent(QDragMoveEvent* event) { QTreeView::dragMoveEvent(event); QModelIndex index(indexAt(event->pos())); drop_indicator_row_ = index.isValid() ? index.row() : 0; } void PlaylistView::dragEnterEvent(QDragEnterEvent* event) { QTreeView::dragEnterEvent(event); cached_tree_ = QPixmap(); drag_over_ = true; } void PlaylistView::dragLeaveEvent(QDragLeaveEvent* event) { QTreeView::dragLeaveEvent(event); cached_tree_ = QPixmap(); drag_over_ = false; drop_indicator_row_ = -1; } void PlaylistView::dropEvent(QDropEvent* event) { QTreeView::dropEvent(event); cached_tree_ = QPixmap(); drop_indicator_row_ = -1; drag_over_ = false; } void PlaylistView::PlaylistDestroyed() { playlist_ = nullptr; // We'll get a SetPlaylist() soon } void PlaylistView::ReloadSettings() { QSettings s; s.beginGroup(Playlist::kSettingsGroup); glow_enabled_ = s.value("glow_effect", false).toBool(); if (setting_initial_header_layout_ || upgrading_from_qheaderview_) { header_->SetStretchEnabled(s.value("stretch", true).toBool()); upgrading_from_qheaderview_ = false; } if (currently_glowing_ && glow_enabled_ && isVisible()) StartGlowing(); if (!glow_enabled_) StopGlowing(); if (setting_initial_header_layout_) { header_->SetColumnWidth(Playlist::Column_Length, 0.06); header_->SetColumnWidth(Playlist::Column_Track, 0.05); setting_initial_header_layout_ = false; } if (upgrading_from_version_ != -1) { if (upgrading_from_version_ < 4) { header_->SetColumnWidth(Playlist::Column_Source, 0.05); } upgrading_from_version_ = -1; } column_alignment_ = s.value("column_alignments").value(); if (column_alignment_.isEmpty()) { column_alignment_ = DefaultColumnAlignment(); } emit ColumnAlignmentChanged(column_alignment_); // Background: QVariant q_playlistview_background_type = s.value(kSettingBackgroundImageType); BackgroundImageType background_type(Default); // bg_enabled should also be checked for backward compatibility (in releases // <= 1.0, there was just a boolean to activate/deactivate the background) QVariant bg_enabled = s.value("bg_enabled"); if (q_playlistview_background_type.isValid()) { background_type = static_cast( q_playlistview_background_type.toInt()); } else if (bg_enabled.isValid()) { if (bg_enabled.toBool()) { background_type = Default; } else { background_type = None; } } QString background_image_filename = s.value(kSettingBackgroundImageFilename).toString(); int blur_radius = s.value("blur_radius", kDefaultBlurRadius).toInt(); int opacity_level = s.value("opacity_level", kDefaultOpacityLevel).toInt(); // Check if background properties have changed. // We change properties only if they have actually changed, to avoid to call // set_background_image when it is not needed, as this will cause the fading // animation to start again. This also avoid to do useless // "force_background_redraw". if (!background_initialized_ || background_image_filename != background_image_filename_ || background_type != background_image_type_ || blur_radius_ != blur_radius || opacity_level_ != opacity_level) { // Store background properties background_initialized_ = true; background_image_type_ = background_type; background_image_filename_ = background_image_filename; blur_radius_ = blur_radius; opacity_level_ = opacity_level; if (background_image_type_ == Custom) { set_background_image(QImage(background_image_filename)); } else if (background_image_type_ == AlbumCover) { set_background_image(current_song_cover_art_); } else { // User changed background image type to something that will not be // painted through paintEvent: reset all background images. // This avoid to use old (deprecated) images for fading when selecting // AlbumCover or Custom background image type later. set_background_image(QImage()); cached_scaled_background_image_ = QPixmap(); previous_background_image_ = QPixmap(); } setProperty("default_background_enabled", background_image_type_ == Default); emit BackgroundPropertyChanged(); force_background_redraw_ = true; } if (!s.value("click_edit_inline", true).toBool()) setEditTriggers(editTriggers() & ~QAbstractItemView::SelectedClicked); else setEditTriggers(editTriggers() | QAbstractItemView::SelectedClicked); } void PlaylistView::SaveSettings() { if (read_only_settings_) return; QSettings s; s.beginGroup(Playlist::kSettingsGroup); s.setValue("glow_effect", glow_enabled_); s.setValue("column_alignments", QVariant::fromValue(column_alignment_)); s.setValue(kSettingBackgroundImageType, background_image_type_); } void PlaylistView::StretchChanged(bool stretch) { setHorizontalScrollBarPolicy(stretch ? Qt::ScrollBarAlwaysOff : Qt::ScrollBarAsNeeded); SaveGeometry(); } void PlaylistView::DynamicModeChanged(bool dynamic) { if (!dynamic) { dynamic_controls_->hide(); } else { RepositionDynamicControls(); dynamic_controls_->show(); } } void PlaylistView::resizeEvent(QResizeEvent* e) { QTreeView::resizeEvent(e); if (dynamic_controls_->isVisible()) { RepositionDynamicControls(); } } void PlaylistView::RepositionDynamicControls() { dynamic_controls_->resize(dynamic_controls_->sizeHint()); dynamic_controls_->move((width() - dynamic_controls_->width()) / 2, height() - dynamic_controls_->height() - 20); } bool PlaylistView::eventFilter(QObject* object, QEvent* event) { if (event->type() == QEvent::Enter && (object == horizontalScrollBar() || object == verticalScrollBar())) { RatingHoverOut(); return false; } return QObject::eventFilter(object, event); } void PlaylistView::rowsInserted(const QModelIndex& parent, int start, int end) { const bool at_end = end == model()->rowCount(parent) - 1; QTreeView::rowsInserted(parent, start, end); if (at_end) { // If the rows were inserted at the end of the playlist then let's scroll // the view so the user can see. scrollTo(model()->index(start, 0, parent), QAbstractItemView::PositionAtTop); } } ColumnAlignmentMap PlaylistView::DefaultColumnAlignment() { ColumnAlignmentMap ret; ret[Playlist::Column_Length] = ret[Playlist::Column_Track] = ret[Playlist::Column_Disc] = ret[Playlist::Column_Year] = ret[Playlist::Column_BPM] = ret[Playlist::Column_Bitrate] = ret[Playlist::Column_Samplerate] = ret[Playlist::Column_Filesize] = ret[Playlist::Column_PlayCount] = ret[Playlist::Column_SkipCount] = ret[Playlist::Column_OriginalYear] = (Qt::AlignRight | Qt::AlignVCenter); ret[Playlist::Column_Score] = (Qt::AlignCenter); return ret; } void PlaylistView::SetColumnAlignment(int section, Qt::Alignment alignment) { if (section < 0) return; column_alignment_[section] = alignment; emit ColumnAlignmentChanged(column_alignment_); SaveSettings(); } Qt::Alignment PlaylistView::column_alignment(int section) const { return column_alignment_.value(section, Qt::AlignLeft | Qt::AlignVCenter); } void PlaylistView::CopyCurrentSongToClipboard() const { // Get the display text of all visible columns. QStringList columns; for (int i = 0; i < header()->count(); ++i) { if (header()->isSectionHidden(i)) { continue; } const QVariant data = model()->data(currentIndex().sibling(currentIndex().row(), i)); if (data.type() == QVariant::String) { columns << data.toString(); } } // Get the song's URL const QUrl url = model() ->data(currentIndex().sibling(currentIndex().row(), Playlist::Column_Filename)) .toUrl(); QMimeData* mime_data = new QMimeData; mime_data->setUrls(QList() << url); mime_data->setText(columns.join(" - ")); QApplication::clipboard()->setMimeData(mime_data); } void PlaylistView::CurrentSongChanged(const Song& song, const QString& uri, const QImage& song_art) { if (current_song_cover_art_ == song_art) return; current_song_cover_art_ = song_art; if (background_image_type_ == AlbumCover) { if (song.art_automatic().isEmpty() && song.art_manual().isEmpty()) { set_background_image(QImage()); } else { set_background_image(current_song_cover_art_); } force_background_redraw_ = true; update(); } } void PlaylistView::set_background_image(const QImage& image) { // Save previous image, for fading previous_background_image_ = cached_scaled_background_image_; if (image.isNull() || image.format() == QImage::Format_ARGB32) { background_image_ = image; } else { background_image_ = image.convertToFormat(QImage::Format_ARGB32); } if (!background_image_.isNull()) { // Apply opacity filter uchar* bits = background_image_.bits(); for (int i = 0; i < background_image_.height() * background_image_.bytesPerLine(); i += 4) { bits[i + 3] = (opacity_level_ / 100.0) * 255; } if (blur_radius_ != 0) { QImage blurred(background_image_.size(), QImage::Format_ARGB32_Premultiplied); blurred.fill(Qt::transparent); QPainter blur_painter(&blurred); qt_blurImage(&blur_painter, background_image_, blur_radius_, true, false); blur_painter.end(); background_image_ = blurred; } } if (isVisible()) { previous_background_image_opacity_ = 1.0; fade_animation_->start(); } } void PlaylistView::FadePreviousBackgroundImage(qreal value) { previous_background_image_opacity_ = value; if (qFuzzyCompare(previous_background_image_opacity_, qreal(0.0))) { previous_background_image_ = QPixmap(); previous_background_image_opacity_ = 0.0; } update(); } void PlaylistView::PlayerStopped() { CurrentSongChanged(Song(), QString(), QImage()); } void PlaylistView::focusInEvent(QFocusEvent* event) { QTreeView::focusInEvent(event); if (event->reason() == Qt::TabFocusReason || event->reason() == Qt::BacktabFocusReason) { // If there's a current item but no selection it probably means the list was // filtered, and the selected item does not match the filter. If there's // only 1 item in the view it is now impossible to select that item without // using the mouse. const QModelIndex& current = selectionModel()->currentIndex(); if (current.isValid() && selectionModel()->selectedIndexes().isEmpty()) { QItemSelection new_selection( current.sibling(current.row(), 0), current.sibling(current.row(), current.model()->columnCount(current.parent()) - 1)); selectionModel()->select(new_selection, QItemSelectionModel::Select); } } }