1 /*
2  * Strawberry Music Player
3  * This file was part of Clementine.
4  * Copyright 2018, Vikram Ambrose <ambroseworks@gmail.com>
5  * Copyright 2018, Jonas Kvinge <jonas@jkvinge.net>
6  *
7  * Strawberry is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11  *
12  * Strawberry is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
19  *
20  */
21 
22 #ifndef FANCYTABWIDGET_H
23 #define FANCYTABWIDGET_H
24 
25 #include "config.h"
26 
27 #include <QObject>
28 #include <QTabWidget>
29 #include <QHash>
30 #include <QString>
31 #include <QIcon>
32 #include <QPixmap>
33 #include <QSize>
34 #include <QColor>
35 
36 class QMenu;
37 class QActionGroup;
38 class QContextMenuEvent;
39 class QPaintEvent;
40 class QProxyStyle;
41 class TabData;
42 
43 namespace Core {
44 namespace Internal {
45 
46 class FancyTabWidget : public QTabWidget {
47   Q_OBJECT
48 
49  public:
50   explicit FancyTabWidget(QWidget *parent = nullptr);
51   ~FancyTabWidget() override;
52 
53   void AddTab(QWidget *widget_view, const QString &name, const QIcon &icon, const QString &label);
54   bool EnableTab(QWidget *widget_view);
55   bool DisableTab(QWidget *widget_view);
56   int insertTab(const int idx, QWidget *page, const QIcon &icon, const QString &label);
57   void addBottomWidget(QWidget *widget_view);
58   int IndexOfTab(QWidget *widget);
59 
60   void setBackgroundPixmap(const QPixmap &pixmap);
61   void addSpacer();
62 
63   void Load(const QString &kSettingsGroup);
64   void SaveSettings(const QString &kSettingsGroup);
65   void ReloadSettings();
66 
67   //  Values are persisted - only add to the end
68   enum Mode {
69     Mode_None = 0,
70     Mode_LargeSidebar,
71     Mode_SmallSidebar,
72     Mode_Tabs,
73     Mode_IconOnlyTabs,
74     Mode_PlainSidebar,
75    };
76 
77   static const int TabSize_LargeSidebarMinWidth;
78   static const int IconSize_LargeSidebar;
79   static const int IconSize_SmallSidebar;
80 
mode()81   Mode mode() const { return mode_; }
iconsize_smallsidebar()82   int iconsize_smallsidebar() const { return iconsize_smallsidebar_; }
iconsize_largesidebar()83   int iconsize_largesidebar() const { return iconsize_largesidebar_; }
84 
85  signals:
86   void ModeChanged(FancyTabWidget::Mode mode);
87   void CurrentChanged(int);
88 
89  public slots:
90   void setCurrentIndex(int idx);
91   void SetMode(Core::Internal::FancyTabWidget::Mode mode);
92   // Mapper mapped signal needs this convenience function
SetMode(int mode)93   void SetMode(int mode) { SetMode(Mode(mode)); }
94 
95  private slots:
96   void tabBarUpdateGeometry();
97   void currentTabChanged(int);
98 
99  protected:
100   void paintEvent(QPaintEvent*) override;
101   void contextMenuEvent(QContextMenuEvent *e) override;
102 
103  private:
104   void addMenuItem(QActionGroup *group, const QString &text, Mode mode);
105 
106   QProxyStyle *style_;
107   QPixmap background_pixmap_;
108   QMenu *menu_;
109   Mode mode_;
110   QWidget *bottom_widget_;
111 
112   QHash<QWidget*, TabData*> tabs_;
113 
114   bool bg_color_system_;
115   bool bg_gradient_;
116   QColor bg_color_;
117   int iconsize_smallsidebar_;
118   int iconsize_largesidebar_;
119 
120 };
121 
122 }  // namespace Internal
123 }  // namespace Core
124 
125 using Core::Internal::FancyTabWidget;
126 
127 #endif  // FANCYTABWIDGET_H
128