1 /* 2 * Strawberry Music Player 3 * This file was part of Clementine. 4 * Copyright 2010, David Sansome <me@davidsansome.com> 5 * 6 * Strawberry is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * Strawberry is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with Strawberry. If not, see <http://www.gnu.org/licenses/>. 18 * 19 */ 20 21 #ifndef COLLECTIONFILTERWIDGET_H 22 #define COLLECTIONFILTERWIDGET_H 23 24 #include "config.h" 25 26 #include <memory> 27 28 #include <QWidget> 29 #include <QObject> 30 #include <QHash> 31 #include <QString> 32 33 #include "collectionquery.h" 34 #include "collectionmodel.h" 35 36 class QTimer; 37 class QMenu; 38 class QAction; 39 class QActionGroup; 40 class QKeyEvent; 41 42 class GroupByDialog; 43 class SavedGroupingManager; 44 class Ui_CollectionFilterWidget; 45 46 class CollectionFilterWidget : public QWidget { 47 Q_OBJECT 48 49 public: 50 explicit CollectionFilterWidget(QWidget *parent = nullptr); 51 ~CollectionFilterWidget() override; 52 53 static const int kFilterDelay = 500; // msec 54 55 enum DelayBehaviour { 56 AlwaysInstant, 57 DelayedOnLargeLibraries, 58 AlwaysDelayed, 59 }; 60 61 void Init(CollectionModel *model); 62 63 static QActionGroup *CreateGroupByActions(QObject *parent); 64 65 void UpdateGroupByActions(); 66 void SetFilterHint(const QString &hint); 67 void SetApplyFilterToCollection(bool filter_applies_to_model) { filter_applies_to_model_ = filter_applies_to_model; } 68 void SetDelayBehaviour(DelayBehaviour behaviour) { delay_behaviour_ = behaviour; } 69 void SetAgeFilterEnabled(bool enabled); 70 void SetGroupByEnabled(bool enabled); 71 void ShowInCollection(const QString &search); 72 73 QMenu *menu() const { return collection_menu_; } 74 void AddMenuAction(QAction *action); 75 76 void SetSettingsGroup(const QString &group) { settings_group_ = group; } 77 void SetSettingsPrefix(const QString &prefix) { settings_prefix_ = prefix; } 78 79 QString group_by(); 80 QString group_by_version(); 81 QString group_by(const int number); 82 83 void ReloadSettings(); 84 85 bool SearchFieldHasFocus() const; 86 void FocusSearchField(); 87 88 public slots: 89 void SetQueryMode(QueryOptions::QueryMode query_mode); 90 void FocusOnFilter(QKeyEvent *e); 91 92 signals: 93 void UpPressed(); 94 void DownPressed(); 95 void ReturnPressed(); 96 void Filter(QString text); 97 98 protected: 99 void keyReleaseEvent(QKeyEvent *e) override; 100 101 private slots: 102 void GroupingChanged(const CollectionModel::Grouping g); 103 void GroupByClicked(QAction *action); 104 void SaveGroupBy(); 105 void ShowGroupingManager(); 106 107 void FilterTextChanged(const QString &text); 108 void FilterDelayTimeout(); 109 110 private: 111 static QAction *CreateGroupByAction(const QString &text, QObject *parent, const CollectionModel::Grouping grouping); 112 void CheckCurrentGrouping(const CollectionModel::Grouping g); 113 114 private: 115 Ui_CollectionFilterWidget *ui_; 116 CollectionModel *model_; 117 118 std::unique_ptr<GroupByDialog> group_by_dialog_; 119 std::unique_ptr<SavedGroupingManager> groupings_manager_; 120 121 QMenu *filter_age_menu_; 122 QMenu *group_by_menu_; 123 QMenu *collection_menu_; 124 QActionGroup *group_by_group_; 125 QHash<QAction*, int> filter_ages_; 126 127 QTimer *filter_delay_; 128 129 bool filter_applies_to_model_; 130 DelayBehaviour delay_behaviour_; 131 132 QString settings_group_; 133 QString settings_prefix_; 134 135 }; 136 137 #endif // COLLECTIONFILTERWIDGET_H 138 139