/[svn]/gigedit/trunk/src/gigedit/Settings.h
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Contents of /gigedit/trunk/src/gigedit/Settings.h

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Revision 2891 - (show annotations) (download) (as text)
Tue Apr 26 17:42:26 2016 UTC (4 years, 6 months ago) by schoenebeck
File MIME type: text/x-c++hdr
File size: 4437 byte(s)
* User settings are now automatically saved and restored.
* Bumped version (1.0.0.svn5).

1 /*
2 Copyright (c) 2014-2016 Christian Schoenebeck
3
4 This file is part of "gigedit" and released under the terms of the
5 GNU General Public License version 2.
6 */
7
8 #ifndef GIGEDIT_SETTINGS
9 #define GIGEDIT_SETTINGS
10
11 #include <typeinfo>
12 #include <glibmm/object.h>
13 #include <glibmm/property.h>
14 #include <vector>
15
16 /**
17 * Reflects, saves and restores all settings for the gigedit application.
18 *
19 * This class holds a bunch of custom Property objects which can be accessed
20 * as if they were basic data types (i.e. by using assignment operator, etc.).
21 * As soon as a property gets modified this way, it will automatically be saved
22 * to a local config file.
23 */
24 class Settings : public Glib::Object {
25 public:
26 /**
27 * Data types for the individual settings.
28 */
29 enum RawValueType_t {
30 BOOLEAN,
31 INTEGER,
32 UNKNOWN
33 };
34
35 /**
36 * All settings are grouped into these settings groups.
37 */
38 enum Group_t {
39 GLOBAL
40 };
41
42 /**
43 * Extension of regular Glib::Property template class; this one
44 * automatically calls Settings::onPropertyChanged() method passing this
45 * property object as pointer; and it allows to assign new values to this
46 * property by using the regular assignment operator; and requires a
47 * "Setting group" to be assigned to the property at construction time.
48 */
49 template<typename T>
50 class Property : public Glib::Property<T> {
51 public:
52 Property(Settings& object, Group_t group, const Glib::ustring& name)
53 : Glib::Property<T>::Property(object, name)
54 {
55 m_settings = &object;
56 m_group = group;
57 const RawValueType_t type = rawValueType();
58 Glib::Property<T>::get_proxy().signal_changed().connect(
59 sigc::bind(
60 sigc::bind(
61 sigc::bind(
62 sigc::mem_fun(m_settings, &Settings::onPropertyChanged),
63 m_group
64 ),
65 type
66 ),
67 this
68 )
69 );
70 }
71
72 Property(Settings& object, Group_t group, const Glib::ustring& name, const T& default_value)
73 : Glib::Property<T>::Property(object, name, default_value)
74 {
75 m_settings = &object;
76 m_group = group;
77 const RawValueType_t type = rawValueType();
78 Glib::Property<T>::get_proxy().signal_changed().connect(
79 sigc::bind(
80 sigc::bind(
81 sigc::bind(
82 sigc::mem_fun(m_settings, &Settings::onPropertyChanged),
83 m_group
84 ),
85 type
86 ),
87 this
88 )
89 );
90 }
91
92 Property<T>& operator=(const T value) {
93 Glib::Property<T>::set_value(value);
94 return *this;
95 }
96
97 RawValueType_t rawValueType() const {
98 const std::string name = typeid(T).name();
99 if (name == "bool" || name == "b") return BOOLEAN;
100 if (name == "int" || name == "i") return INTEGER;
101 return UNKNOWN;
102 }
103
104 Group_t group() const { return m_group; }
105
106 private:
107 Settings* m_settings;
108 Group_t m_group;
109 };
110
111 Property<bool> warnUserOnExtensions; ///< if enabled, the user shall he be warned if he is trying to use a gig format extension that will not work with Gigasampler/GigaStudio
112 Property<bool> syncSamplerInstrumentSelection; ///< if enabled, the sampler's current instrument will automatically be switched whenever another instrument was selected in gigedit
113 Property<bool> moveRootNoteWithRegionMoved; ///< if enabled, the root note(s) of regions are automatically moving when the user drags a region around at the virtual keyboard
114
115 static Settings* singleton();
116 Settings();
117 void load();
118
119 protected:
120 void onPropertyChanged(Glib::PropertyBase* pProperty, RawValueType_t type, Group_t group);
121
122 private:
123 std::vector<Glib::PropertyBase*> m_boolProps; ///< Pointers to all 'bool' type properties this Setting class manages.
124 std::vector<Glib::PropertyBase*> m_intProps; ///< Pointers to all 'int' type properties this Setting class manages.
125 bool m_ignoreNotifies;
126 };
127
128 #endif // GIGEDIT_SETTINGS

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