Initial commit.

src/equalizer/equalizer.h

@@ -0,0 +1,101 @@
+/*
+ * 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/>.
+ * 
+ */
+
+#ifndef EQUALIZER_H
+#define EQUALIZER_H
+
+#include "config.h"
+
+#include <QDialog>
+#include <QMetaType>
+#include <QMap>
+
+class EqualizerSlider;
+class Ui_Equalizer;
+
+class Equalizer : public QDialog {
+  Q_OBJECT
+
+ public:
+  Equalizer(QWidget* parent = nullptr);
+  ~Equalizer();
+
+  static const int kBands = 10;
+  static const char *kGainText[kBands];
+  static const char *kSettingsGroup;
+
+  struct Params {
+    Params();
+    Params(int g0, int g1, int g2, int g3, int g4, int g5, int g6, int g7, int g8, int g9, int pre = 0);
+
+    bool operator ==(const Params &other) const;
+    bool operator !=(const Params &other) const;
+
+    int preamp;
+    int gain[kBands];
+  };
+
+  bool is_enabled() const;
+  int preamp_value() const;
+  QList<int> gain_values() const;
+  Params current_params() const;
+  float stereo_balance() const;
+
+ signals:
+  void EnabledChanged(bool enabled);
+  void ParametersChanged(int preamp, const QList<int> &band_gains);
+  void StereoBalanceChanged(float balance);
+
+ protected:
+  void closeEvent(QCloseEvent *);
+
+ private slots:
+  void ParametersChanged();
+  void PresetChanged(const QString &name);
+  void PresetChanged(int index);
+  void SavePreset();
+  void DelPreset();
+  void Save();
+  void StereoSliderChanged(int value);
+
+ private:
+  EqualizerSlider *AddSlider(const QString &label);
+  void LoadDefaultPresets();
+  void AddPreset(const QString &name, const Params &params);
+  void ReloadSettings();
+  QString SaveCurrentPreset();
+
+ private:
+  Ui_Equalizer *ui_;
+  bool loading_;
+
+  QString last_preset_;
+
+  EqualizerSlider *preamp_;
+  EqualizerSlider *gain_[kBands];
+
+  QMap<QString, Params> presets_;
+};
+Q_DECLARE_METATYPE(Equalizer::Params);
+
+QDataStream &operator<<(QDataStream &s, const Equalizer::Params &p);
+QDataStream &operator>>(QDataStream &s, Equalizer::Params &p);
+
+#endif  // EQUALIZER_H