From 8fa737f01cf54111002eab773e849d28a4aab4ef Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 31 Jan 2021 15:14:43 +0530
Subject: [PATCH] Rescan for animated images on various events

---
 kitty/glfw.c  | 6 ++++--
 kitty/state.c | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/kitty/glfw.c b/kitty/glfw.c
index fdef60a49..79e49ba92 100644
--- a/kitty/glfw.c
+++ b/kitty/glfw.c
@@ -160,15 +160,17 @@ window_close_callback(GLFWwindow* window) {
 }
 
 static void
-window_occlusion_callback(GLFWwindow *window, bool occluded UNUSED) {
+window_occlusion_callback(GLFWwindow *window, bool occluded) {
     if (!set_callback_window(window)) return;
+    if (!occluded) global_state.has_active_animated_images = true;
     request_tick_callback();
     global_state.callback_os_window = NULL;
 }
 
 static void
-window_iconify_callback(GLFWwindow *window, int iconified UNUSED) {
+window_iconify_callback(GLFWwindow *window, int iconified) {
     if (!set_callback_window(window)) return;
+    if (!iconified) global_state.has_active_animated_images = true;
     request_tick_callback();
     global_state.callback_os_window = NULL;
 }
diff --git a/kitty/state.c b/kitty/state.c
index 252c272b8..2b515eb80 100644
--- a/kitty/state.c
+++ b/kitty/state.c
@@ -953,7 +953,9 @@ PYWRAP1(update_window_visibility) {
     int visible;
     PA("KKKp", &os_window_id, &tab_id, &window_id, &visible);
     WITH_WINDOW(os_window_id, tab_id, window_id);
+        bool was_visible = window->visible & 1;
         window->visible = visible & 1;
+        if (!was_visible && window->visible) global_state.has_active_animated_images = true;
     END_WITH_WINDOW;
     Py_RETURN_NONE;
 }