172 lines
5.2 KiB
C++
172 lines
5.2 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PLAYLISTVIEW_H
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#define PLAYLISTVIEW_H
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#include "playlist.h"
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#include <QBasicTimer>
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#include <QProxyStyle>
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#include <QTreeView>
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#include <boost/scoped_ptr.hpp>
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class QCleanlooksStyle;
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class LibraryBackend;
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class PlaylistHeader;
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class RadioLoadingIndicator;
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class RatingItemDelegate;
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// This proxy style works around a bug/feature introduced in Qt 4.7's QGtkStyle
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// that uses Gtk to paint row backgrounds, ignoring any custom brush or palette
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// the caller set in the QStyleOption. That breaks our currently playing track
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// animation, which relies on the background painted by Qt to be transparent.
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// This proxy style uses QCleanlooksStyle to paint the affected elements.
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class PlaylistProxyStyle : public QProxyStyle {
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public:
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PlaylistProxyStyle(QStyle* base);
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void drawControl(ControlElement element, const QStyleOption* option,
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QPainter* painter, const QWidget* widget) const;
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void drawPrimitive(PrimitiveElement element, const QStyleOption* option,
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QPainter* painter, const QWidget* widget) const;
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private:
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boost::scoped_ptr<QCleanlooksStyle> cleanlooks_;
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};
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class PlaylistView : public QTreeView {
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Q_OBJECT
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public:
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PlaylistView(QWidget* parent = 0);
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static const char* kSettingsGroup;
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static const int kStateVersion;
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void SetItemDelegates(LibraryBackend* backend);
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void SetPlaylist(Playlist* playlist);
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void RemoveSelected();
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void SetReadOnlySettings(bool read_only) { read_only_settings_ = read_only; }
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// QTreeView
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void drawTree(QPainter* painter, const QRegion& region) const;
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void drawRow(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
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void keyPressEvent(QKeyEvent* event);
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void setModel(QAbstractItemModel *model);
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// QAbstractScrollArea
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void contextMenuEvent(QContextMenuEvent* e);
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public slots:
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void ReloadSettings();
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void StopGlowing();
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void StartGlowing();
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void JumpToCurrentlyPlayingTrack();
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void closeEditor(QWidget* editor, QAbstractItemDelegate::EndEditHint hint);
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signals:
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void PlayPauseItem(const QModelIndex& index);
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void RightClicked(const QPoint& global_pos, const QModelIndex& index);
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void SongRatingSet(const QModelIndex& index, double rating);
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protected:
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void hideEvent(QHideEvent* event);
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void showEvent(QShowEvent* event);
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void timerEvent(QTimerEvent* event);
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void mouseMoveEvent(QMouseEvent* event);
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void mousePressEvent(QMouseEvent* event);
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void leaveEvent(QEvent*);
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void scrollContentsBy(int dx, int dy);
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void paintEvent(QPaintEvent *event);
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void dragMoveEvent(QDragMoveEvent *event);
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void dragEnterEvent(QDragEnterEvent *event);
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void dragLeaveEvent(QDragLeaveEvent *event);
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void dropEvent(QDropEvent *event);
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private slots:
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void LoadGeometry();
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void SaveGeometry();
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void GlowIntensityChanged();
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void InhibitAutoscrollTimeout();
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void MaybeAutoscroll();
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void InvalidateCachedCurrentPixmap();
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void PlaylistDestroyed();
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void SaveSettings();
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void StretchChanged(bool stretch);
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void RatingHoverIn(const QModelIndex& index, const QPoint& pos);
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void RatingHoverOut();
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private:
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void ReloadBarPixmaps();
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QList<QPixmap> LoadBarPixmap(const QString& filename);
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void UpdateCachedCurrentRowPixmap(QStyleOptionViewItemV4 option,
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const QModelIndex& index);
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private:
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static const int kGlowIntensitySteps;
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static const int kAutoscrollGraceTimeout;
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static const int kDropIndicatorWidth;
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static const int kDropIndicatorGradientWidth;
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QList<int> GetEditableColumns();
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QModelIndex NextEditableIndex(const QModelIndex& current);
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QModelIndex PrevEditableIndex(const QModelIndex& current);
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PlaylistProxyStyle* style_;
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Playlist* playlist_;
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PlaylistHeader* header_;
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bool setting_initial_header_layout_;
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bool read_only_settings_;
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bool glow_enabled_;
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bool currently_glowing_;
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QBasicTimer glow_timer_;
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int glow_intensity_step_;
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QModelIndex last_current_item_;
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QRect last_glow_rect_;
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RatingItemDelegate* rating_delegate_;
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QTimer* inhibit_autoscroll_timer_;
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bool inhibit_autoscroll_;
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bool currently_autoscrolling_;
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int row_height_; // Used to invalidate the currenttrack_bar pixmaps
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QList<QPixmap> currenttrack_bar_left_;
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QList<QPixmap> currenttrack_bar_mid_;
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QList<QPixmap> currenttrack_bar_right_;
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QPixmap currenttrack_play_;
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QPixmap currenttrack_pause_;
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QRegion current_paint_region_;
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QPixmap cached_current_row_;
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QRect cached_current_row_rect_;
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int cached_current_row_row_;
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QPixmap cached_tree_;
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int drop_indicator_row_;
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};
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#endif // PLAYLISTVIEW_H
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