125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2012, David Sansome <me@davidsansome.com>
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* Copyright 2019-2024, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry 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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*
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* Strawberry 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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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef MOODBARPROXYSTYLE_H
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#define MOODBARPROXYSTYLE_H
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#include <QtGlobal>
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#include <QObject>
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#include <QProxyStyle>
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#include <QByteArray>
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#include <QString>
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#include <QPixmap>
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#include <QPalette>
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#include <QRect>
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#include <QPoint>
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#include <QStyle>
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#include "constants/moodbarsettings.h"
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#include "moodbarrenderer.h"
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class QAction;
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class QActionGroup;
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class QMenu;
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class QPainter;
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class QSlider;
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class QStyleOptionComplex;
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class QStyleOptionSlider;
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class QTimeLine;
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class QWidget;
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class QEvent;
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class MoodbarProxyStyle : public QProxyStyle {
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Q_OBJECT
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public:
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explicit MoodbarProxyStyle(QSlider *slider, QObject *parent = nullptr);
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void ReloadSettings();
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// QProxyStyle
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void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const override;
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QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, const QWidget *widget) const override;
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// QObject
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bool eventFilter(QObject *object, QEvent *event) override;
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public Q_SLOTS:
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// An empty byte array means there's no moodbar, so just show a normal slider.
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void SetMoodbarData(const QByteArray &data);
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// If the moodbar is disabled then a normal slider will always be shown.
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void SetShowMoodbar(const bool show);
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Q_SIGNALS:
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void MoodbarShow(const bool show);
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void StyleChanged();
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private:
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enum class State {
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MoodbarOn,
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MoodbarOff,
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FadingToOn,
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FadingToOff
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};
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private:
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void NextState();
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void Render(ComplexControl control, const QStyleOptionSlider *option, QPainter *painter, const QWidget *widget);
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void EnsureMoodbarRendered(const QStyleOptionSlider *opt);
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void DrawArrow(const QStyleOptionSlider *option, QPainter *painter) const;
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void ShowContextMenu(const QPoint pos);
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static QPixmap MoodbarPixmap(const ColorVector &colors, const QSize size, const QPalette &palette, const QStyleOptionSlider *opt);
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private Q_SLOTS:
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void FaderValueChanged(qreal value);
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void SetStyle(QAction *action);
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Q_SIGNALS:
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void SettingsChanged();
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private:
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QSlider *slider_;
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bool show_;
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QByteArray data_;
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MoodbarSettings::Style moodbar_style_;
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State state_;
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QTimeLine *fade_timeline_;
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QPixmap fade_source_;
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QPixmap fade_target_;
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bool moodbar_colors_dirty_;
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bool moodbar_pixmap_dirty_;
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ColorVector moodbar_colors_;
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QPixmap moodbar_pixmap_;
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QMenu *context_menu_;
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QAction *show_moodbar_action_;
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QActionGroup *style_action_group_;
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};
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#endif // MOODBARPROXYSTYLE_H
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