From 60e91b018a75f0267d0bc33ffbab8acba7a6d7d3 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 11 Nov 2021 12:46:13 +0530
Subject: [PATCH] Wrap the glfw is fullscreen API

---
 kitty/glfw.c  | 10 ++++++++++
 kitty/state.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/kitty/glfw.c b/kitty/glfw.c
index a89a1cc45..fa42f4880 100644
--- a/kitty/glfw.c
+++ b/kitty/glfw.c
@@ -599,6 +599,16 @@ toggle_fullscreen_for_os_window(OSWindow *w) {
     return false;
 }
 
+bool
+is_os_window_fullscreen(OSWindow *w) {
+    unsigned int flags = 0;
+#ifdef __APPLE__
+    if (!OPT(macos_traditional_fullscreen)) flags = 1;
+#endif
+    if (w && w->handle) return glfwIsFullscreen(w->handle, flags);
+    return false;
+}
+
 static bool
 toggle_maximized_for_os_window(OSWindow *w) {
     bool maximized = false;
diff --git a/kitty/state.h b/kitty/state.h
index d02e23277..64ef6e453 100644
--- a/kitty/state.h
+++ b/kitty/state.h
@@ -321,3 +321,4 @@ void send_pending_click_to_window(Window*, void*);
 void get_platform_dependent_config_values(void *glfw_window);
 bool draw_window_title(OSWindow *window, const char *text, color_type fg, color_type bg, uint8_t *output_buf, size_t width, size_t height);
 uint8_t* draw_single_ascii_char(const char ch, size_t *result_width, size_t *result_height);
+bool is_os_window_fullscreen(OSWindow *);