3 files changed, 13 insertions, 0 deletions
diff --git a/src/sdl/action.c b/src/sdl/action.c
index 72b6fb2..09141a9 100644
--- a/src/sdl/action.c
+++ b/src/sdl/action.c
@@ -72,6 +72,8 @@ get_key_action(
     return (action_t) { .type = ACTION_ZOOM_IN, .data = 1 };
   case SDLK_MINUS:
     return (action_t) { .type = ACTION_ZOOM_OUT, .data = -1 };
+  case SDLK_F11:
+    return (action_t) { .type = ACTION_FULLSCREEN };
   default:
     return (action_t) { .type = ACTION_NONE };
   }
diff --git a/src/sdl/action.h b/src/sdl/action.h
index 4713f62..e28f9ce 100644
--- a/src/sdl/action.h
+++ b/src/sdl/action.h
@@ -17,6 +17,7 @@ typedef enum {
   ACTION_NEXT,
   ACTION_SOLVE,
   ACTION_RESET,
+  ACTION_FULLSCREEN,
   ACTION_LAST,
 } action_type_t;
 
diff --git a/src/sdl/main.c b/src/sdl/main.c
index 16f9a46..8d7fdff 100644
--- a/src/sdl/main.c
+++ b/src/sdl/main.c
@@ -141,6 +141,7 @@ int main(int argc, char *argv[]) {
     die("TTF_OpenFontIndex(): %s", TTF_GetError());
   }
 
+  bool is_fullscreen = false;
   bool done = false;
   SDL_Event ev;
   while (!done) {
@@ -232,6 +233,15 @@ int main(int argc, char *argv[]) {
         }
 
         break;
+      case ACTION_FULLSCREEN:
+        if (SDL_SetWindowFullscreen(win, is_fullscreen ? 0 : SDL_WINDOW_FULLSCREEN_DESKTOP)) {
+          die("SDL_SetWindowFullscreen(): %s", SDL_GetError());
+        }
+
+        // toggle flag
+        is_fullscreen = !is_fullscreen;
+
+        break;
       default:
         // ignore
         break;