Sayonara Player
Settings.h
1 /* Settings.h */
2 
3 /* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
4  *
5  * This file is part of sayonara player
6  *
7  * This program 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  * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
19  */
20 #pragma once
21 #ifndef SAYONARA_SETTINGS_H_
22 #define SAYONARA_SETTINGS_H_
23 
24 #include "Utils/Settings/SettingKey.h"
25 #include "Utils/Settings/Setting.h"
26 #include "Utils/Settings/SettingNotifier.h"
27 #include "Utils/Singleton.h"
28 
29 #include <array>
30 
31 #define GetSetting(x) Settings::instance()->get<x>()
32 #define SetSetting(x, y) Settings::instance()->set<x>(y)
33 #define ListenSetting(x, y) Set::listen<x>(this, &y)
34 #define ListenSettingNoCall(x, y) Set::listen<x>(this, &y, false)
35 
36 using SettingArray=std::array<AbstrSetting*, static_cast<unsigned int>(SettingKey::Num_Setting_Keys)>;
37 
42 class Settings
43 {
44  SINGLETON(Settings)
45  PIMPL(Settings)
46 
47  public:
48  AbstrSetting* setting(SettingKey keyIndex) const;
49 
50  /* get all settings (used by database) */
51  const SettingArray& settings();
52 
53  /* before you want to access a setting you have to register it */
54  void registerSetting(AbstrSetting* s);
55 
56  /* checks if all settings are registered */
57  bool checkSettings();
58 
59  /* get a setting, defined by a unique, REGISTERED key */
60  template<typename KeyClass>
61  const typename KeyClass::Data& get() const
62  {
63  using SettingPtr=Setting<KeyClass>*;
64  SettingPtr s = static_cast<SettingPtr>( setting(KeyClass::key) );
65  return s->value();
66  }
67 
68  /* set a setting, define by a unique, REGISTERED key */
69  template<typename KeyClass>
70  void set(const typename KeyClass::Data& val)
71  {
72  using SettingPtr=Setting<KeyClass>*;
73  SettingPtr s = static_cast<SettingPtr>( setting(KeyClass::key) );
74 
75  if( s->assignValue(val))
76  {
78  sn->valueChanged();
79  }
80  }
81 
82  /* get a setting, defined by a unique, REGISTERED key */
83  template<typename KeyClass>
84  void shout() const
85  {
87  sn->valueChanged();
88  }
89 
90  void applyFixes();
91 };
92 
93 
94 #endif // SAYONARA_SETTINGS_H_
Settings
The Settings class.
Definition: Settings.h:43
Setting
The Setting class T is the pure value type e.g. QString.
Definition: Setting.h:74
SettingNotifier
Definition: SettingNotifier.h:48
AbstrSetting
The AbstrSetting class Every setting needs a key and a value The SettingKey is only used inside the s...
Definition: Setting.h:38