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cantata/widgets/groupedview.h
Craig Drummond b6bd94c236 Update (c) year
2022-01-08 21:24:07 +00:00

119 lines
4.0 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef GROUPEDVIEW_H
#define GROUPEDVIEW_H
#include <QSet>
#include "treeview.h"
#include "actionitemdelegate.h"
struct Song;
class RatingPainter;
class GroupedView;
class GroupedViewDelegate : public ActionItemDelegate
{
Q_OBJECT
public:
GroupedViewDelegate(GroupedView *p);
~GroupedViewDelegate() override;
QSize sizeHint(int type, bool isCollection) const;
QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
int drawRatings(QPainter *painter, const Song &song, const QRect &r, const QFontMetrics &fm, const QColor &col) const;
private:
GroupedView *view;
mutable RatingPainter *ratingPainter;
};
class GroupedView : public TreeView
{
Q_OBJECT
public:
enum Status {
State_Default,
State_Playing,
State_StopAfter,
State_StopAfterTrack,
State_Paused,
State_Stopped
};
static void setup();
static int coverSize();
static int borderSize();
static int iconSize();
static void drawPlayState(QPainter *painter, const QStyleOptionViewItem &option, const QRect &r, int state);
GroupedView(QWidget *parent=nullptr, bool isPlayQueue=false);
~GroupedView() override;
void setModel(QAbstractItemModel *model) override;
void setFilterActive(bool f);
bool isFilterActive() const { return filterActive; }
void setAutoExpand(bool ae) { autoExpand=ae; }
bool isAutoExpand() const { return autoExpand; }
void setStartClosed(bool sc);
bool isStartClosed() const { return startClosed; }
void setMultiLevel(bool ml) { isMultiLevel=ml; }
void updateRows(qint32 row, quint16 curAlbum, bool scroll, const QModelIndex &parent=QModelIndex(), bool forceScroll=false);
void updateCollectionRows();
bool isCurrentAlbum(quint16 key) const { return key==currentAlbum; }
bool isExpanded(quint16 key, quint32 collection) const { return filterActive ||
(autoExpand && currentAlbum==key) ||
(startClosed && controlledAlbums[collection].contains(key)) ||
(!startClosed && !controlledAlbums[collection].contains(key)); }
void toggle(const QModelIndex &idx);
QModelIndexList selectedIndexes() const override { return selectedIndexes(true); }
QModelIndexList selectedIndexes(bool sorted) const;
void dropEvent(QDropEvent *event) override;
void collectionRemoved(quint32 key);
void expand(const QModelIndex &idx, bool singleOnly=false) override;
void collapse(const QModelIndex &idx, bool singleOnly=false) override;
private:
void drawBranches(QPainter *painter, const QRect &, const QModelIndex &) const override;
public Q_SLOTS:
void updateRows(const QModelIndex &parent);
void coverLoaded(const Song &song, int size);
private Q_SLOTS:
void itemClicked(const QModelIndex &index);
private:
bool allowClose;
bool startClosed;
bool autoExpand;
bool filterActive;
bool isMultiLevel;
quint16 currentAlbum;
QMap<quint32, QSet<quint16> > controlledAlbums;
};
#endif