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, see <https://www.gnu.org/licenses/>. *
16 **************************************************************************/
17
24#ifndef GUI_EVENTS_H
25#define GUI_EVENTS_H
26
27#include "observable_evtvar.h"
28
30class GuiEvents {
31public:
32 static GuiEvents& GetInstance() {
33 static GuiEvents instance;
34 return instance;
35 }
36
37 GuiEvents(const GuiEvents&) = delete;
38 GuiEvents& operator=(const GuiEvents&) = delete;
39
46
47private:
48 GuiEvents() = default;
49};
50
51#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:30
EventVar color_scheme_change
Notified when the day/dusk/night color scheme changes.
Definition gui_events.h:45
A common variable shared between producer and consumer which supports Listen() and Notify().