2 * This file is part of the PulseView project.
4 * Copyright (C) 2020 Soeren Apel <soeren@apelpie.net>
6 * This program 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 2 of the License, or
9 * (at your option) any later version.
11 * This program 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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #ifndef PULSEVIEW_PV_METADATA_OBJ_HPP
21 #define PULSEVIEW_PV_METADATA_OBJ_HPP
37 // When adding an entry here, don't forget to update MetadataObjectNames as well
38 enum MetadataObjectType {
39 MetadataObjMainViewRange,
41 MetadataObjTimeMarker,
42 MetadataObjectTypeCount // Indicates how many metadata object types there are, must always be last
45 // When adding an entry here, don't forget to update MetadataValueNames as well
46 enum MetadataValueType {
47 MetadataValueStartSample, // int64_t / qlonglong
48 MetadataValueEndSample, // int64_t / qlonglong
50 MetadataValueTypeCount // Indicates how many metadata value types there are, must always be last
53 extern const char* MetadataObjectNames[MetadataObjectTypeCount];
54 extern const char* MetadataValueNames[MetadataValueTypeCount];
57 class MetadataObjManager;
61 class MetadataObjObserverInterface
64 virtual void on_metadata_object_created(MetadataObject* obj);
65 virtual void on_metadata_object_deleted(MetadataObject* obj);
66 virtual void on_metadata_object_changed(MetadataObject* obj,
67 MetadataValueType value_type);
74 MetadataObject(MetadataObjManager* obj_manager, uint32_t obj_id, MetadataObjectType obj_type);
75 virtual ~MetadataObject() = default;
77 virtual uint32_t id() const;
78 virtual MetadataObjectType type() const;
80 virtual void set_value(MetadataValueType value_type, const QVariant& value);
81 virtual QVariant value(MetadataValueType value_type) const;
83 MetadataObjManager* obj_manager_;
85 MetadataObjectType type_;
86 vector<QVariant> values_;
90 class MetadataObjManager : public QObject
95 MetadataObject* create_object(MetadataObjectType obj_type);
96 void delete_object(uint32_t obj_id);
97 MetadataObject* find_object_by_type(MetadataObjectType obj_type);
98 MetadataObject* object(uint32_t obj_id);
100 void add_observer(MetadataObjObserverInterface *cb);
101 void remove_observer(MetadataObjObserverInterface *cb);
103 void save_objects(QSettings &settings) const;
104 void restore_objects(QSettings &settings);
106 void notify_observers(MetadataObject* obj, MetadataValueType changed_value);
109 vector<MetadataObjObserverInterface*> callbacks_;
110 deque<MetadataObject> objects_;
116 #endif // PULSEVIEW_PV_METADATA_OBJ_HPP