From b700ed311114e868e4cd5ba30ca4661626183aa4 Mon Sep 17 00:00:00 2001
From: Joshua Goins <josh@redstrate.com>
Date: Wed, 17 Oct 2018 17:11:26 -0400
Subject: [PATCH] Add fullscreen support

---
 src/main.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index 150b820..cdf40d3 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -33,6 +33,7 @@ int windowX = SDL_WINDOWPOS_CENTERED;
 int windowY = SDL_WINDOWPOS_CENTERED;
 int windowWidth = 640;
 int windowHeight = 480;
+int windowFullscreen = 0;
 
 int toInt(const std::string &str) {
     std::stringstream ss(str);
@@ -62,6 +63,8 @@ void readConfig() {
                 windowWidth = toInt(value);
             } else if(key == "height") {
                 windowHeight = toInt(value);
+            } else if(key == "fullscreen") {
+                windowFullscreen = toInt(value);
             }
         }
     }
@@ -81,6 +84,8 @@ void writeConfig() {
 
     file << "width=" << w << "\n";
     file << "height=" << h << "\n";
+        
+    file << "fullscreen=" << windowFullscreen << "\n";
 }
 
 int main(int, char*[]) {
@@ -95,6 +100,8 @@ int main(int, char*[]) {
                               SDL_WINDOW_RESIZABLE);
     if(!window)
         return -1;
+    
+    SDL_SetWindowFullscreen(window, windowFullscreen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
 
     Renderer* renderer = new Renderer();
 
@@ -139,6 +146,18 @@ int main(int, char*[]) {
                 if(event.window.event == SDL_WINDOWEVENT_RESIZED)
                     target = renderer->createSurfaceRenderTarget(surface, target);
             }
+            
+            if(event.type == SDL_KEYDOWN && event.key.keysym.scancode == SDL_SCANCODE_F11) {
+                if(windowFullscreen == 1) {
+                    SDL_SetWindowFullscreen(window, 0);
+                    windowFullscreen = 0;
+                } else {
+                    SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN_DESKTOP);
+                    windowFullscreen = 1;
+                }
+                
+                target = renderer->createSurfaceRenderTarget(surface, target);
+            }
         }
 
         renderer->render(world, target);