From a4164f698ee44e9b45fcff5792f0451ea22d4621 Mon Sep 17 00:00:00 2001
From: boost2017 <boost2017us@gmail.com>
Date: Sat, 13 Jan 2018 01:57:15 -0500
Subject: [PATCH] Add ToggleFullscreen

Add ToggleFullscreen for Window class.
---
 SDL2pp/Window.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/SDL2pp/Window.cc b/SDL2pp/Window.cc
index 6413ff4..ab9b621 100644
--- a/SDL2pp/Window.cc
+++ b/SDL2pp/Window.cc
@@ -142,6 +142,14 @@ Window& Window::SetFullscreen(Uint32 flags) {
 	return *this;
 }
 
+Window& Window::ToggleFullscreen() {
+	Uint32 const fullscreenFlag = SDL_WINDOW_FULLSCREEN | SDL_WINDOW_FULLSCREEN_DESKTOP;
+	bool const isFullscreen = SDL_GetWindowFlags(mpWindow) & fullscreenFlag;
+	if (SDL_SetWindowFullscreen(window_, isFullscreen ? SDL_FALSE : SDL_WINDOW_FULLSCREEN_DESKTOP) != 0)
+		throw Exception("SDL_SetWindowFullscreen");
+	return *this;
+}
+
 Window& Window::SetSize(int w, int h) {
 	SDL_SetWindowSize(window_, w, h);
 	return *this;