1 /* This file is part of Clementine.
2    Copyright 2010, David Sansome <me@davidsansome.com>
3 
4    Clementine is free software: you can redistribute it and/or modify
5    it under the terms of the GNU General Public License as published by
6    the Free Software Foundation, either version 3 of the License, or
7    (at your option) any later version.
8 
9    Clementine is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12    GNU General Public License for more details.
13 
14    You should have received a copy of the GNU General Public License
15    along with Clementine.  If not, see <http://www.gnu.org/licenses/>.
16 */
17 
18 #ifndef PLAYLISTTABBAR_H
19 #define PLAYLISTTABBAR_H
20 
21 #include <QBasicTimer>
22 #include <QIcon>
23 #include <QTabBar>
24 
25 class PlaylistManager;
26 class RenameTabLineEdit;
27 
28 class QMenu;
29 
30 class PlaylistTabBar : public QTabBar {
31   Q_OBJECT
32 
33  public:
34   PlaylistTabBar(QWidget* parent = nullptr);
35 
36   static const int kDragHoverTimeout = 500;
37   static const char* kSettingsGroup;
38 
39   void SetActions(QAction* new_playlist, QAction* load_playlist);
40   void SetManager(PlaylistManager* manager);
41 
42   // We use IDs to refer to tabs so the tabs can be moved around (and their
43   // indexes change).
44   int index_of(int id) const;
45   int current_id() const;
46   int id_of(int index) const;
47 
48   // Utility functions that use IDs rather than indexes
49   void set_current_id(int id);
50   void set_icon_by_id(int id, const QIcon& icon);
51   void set_text_by_id(int id, const QString& text);
52 
53   void RemoveTab(int id);
54   void InsertTab(int id, int index, const QString& text, bool favorite);
55 
56 signals:
57   void CurrentIdChanged(int id);
58   void Rename(int id, const QString& name);
59   void Close(int id);
60   void Save(int id);
61   void PlaylistOrderChanged(const QList<int>& ids);
62   void PlaylistFavorited(int id, bool favorite);
63 
64  protected:
65   void contextMenuEvent(QContextMenuEvent* e);
66   void mouseReleaseEvent(QMouseEvent* e);
67   void mouseDoubleClickEvent(QMouseEvent* e);
68   void dragEnterEvent(QDragEnterEvent* e);
69   void dragMoveEvent(QDragMoveEvent* e);
70   void dragLeaveEvent(QDragLeaveEvent* e);
71   void dropEvent(QDropEvent* e);
72   void timerEvent(QTimerEvent* e);
73   bool event(QEvent* e);
74 
75  private slots:
76   void CurrentIndexChanged(int index);
77   void Rename();
78   void RenameInline();
79   void HideEditor();
80   void Close();
81   void CloseFromTabIndex(int index);
82   // Used when playlist's favorite flag isn't changed from the favorite widget
83   // (e.g. from the playlistlistcontainer): will update the favorite widget
84   void PlaylistFavoritedSlot(int id, bool favorite);
85   // Used to signal that the playlist manager is done starting up
86   void PlaylistManagerInitialized();
87   void TabMoved();
88   void Save();
89 
90  private:
91   PlaylistManager* manager_;
92 
93   QMenu* menu_;
94   int menu_index_;
95   QAction* new_;
96   QAction* rename_;
97   QAction* close_;
98   QAction* save_;
99 
100   QBasicTimer drag_hover_timer_;
101   int drag_hover_tab_;
102 
103   bool suppress_current_changed_;
104   bool initialized_;
105 
106   // Editor for inline renaming
107   RenameTabLineEdit* rename_editor_;
108 };
109 
110 #endif  // PLAYLISTTABBAR_H
111