OpenCPN Partial API docs
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gui_events.h
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1/**************************************************************************
2 * Copyright (C) 2025 Alec Leamas *
3 * *
4 * This program 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 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program 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 this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
18 **************************************************************************/
19
25#ifndef GUI_EVENTS_H
26#define GUI_EVENTS_H
27
28#include "observable_evtvar.h"
29
31class GuiEvents {
32public:
33 static GuiEvents& GetInstance() {
34 static GuiEvents instance;
35 return instance;
36 }
37
38 GuiEvents(const GuiEvents&) = delete;
39 GuiEvents& operator=(const GuiEvents&) = delete;
40
47
48private:
49 GuiEvents() = default;
50};
51
52#endif // GUI_EVENTS_H
Generic event handling between MVC Model and Controller based on a shared EventVar variable.
EventVar exchange point, a singleton.
Definition gui_events.h:31
EventVar color_scheme_change
Notified when the day/dusk/night color scheme changes.
Definition gui_events.h:46
A common variable shared between producer and consumer which supports Listen() and Notify().