From 10c7fc8e917faa6b03216a7c536c344a3ce0c27d Mon Sep 17 00:00:00 2001
From: Colin <colin@uninsane.org>
Date: Wed, 27 Sep 2023 21:42:55 +0000
Subject: [PATCH] sxmo: exit fullscreen on screen rotation

---
 hosts/modules/gui/sxmo/default.nix               | 16 +++++++++++-----
 hosts/modules/gui/sxmo/hooks/sxmo_hook_rotate.sh | 16 ++++++++++++++++
 2 files changed, 27 insertions(+), 5 deletions(-)
 create mode 100755 hosts/modules/gui/sxmo/hooks/sxmo_hook_rotate.sh

diff --git a/hosts/modules/gui/sxmo/default.nix b/hosts/modules/gui/sxmo/default.nix
index a91cc26f..67567a5d 100644
--- a/hosts/modules/gui/sxmo/default.nix
+++ b/hosts/modules/gui/sxmo/default.nix
@@ -73,15 +73,20 @@ let
       src = ./hooks;
       pkgs = [ "coreutils" ];
     };
+    postwake = pkgs.static-nix-shell.mkBash {
+      pname = "sxmo_hook_postwake.sh";
+      src = ./hooks;
+    };
+    rotate = pkgs.static-nix-shell.mkBash {
+      pname = "sxmo_hook_rotate.sh";
+      src = ./hooks;
+      pkgs = [ "sway" ];
+    };
     start = pkgs.static-nix-shell.mkBash {
       pname = "sxmo_hook_start.sh";
       src = ./hooks;
       pkgs = [ "superd" "xdg-user-dirs" ];
     };
-    postwake = pkgs.static-nix-shell.mkBash {
-      pname = "sxmo_hook_postwake.sh";
-      src = ./hooks;
-    };
   };
 in
 {
@@ -123,9 +128,10 @@ in
     sane.gui.sxmo.hooks = mkOption {
       type = types.attrsOf types.path;
       default = {
-        "sxmo_hook_start.sh" = "${hookPkgs.start}/bin/sxmo_hook_start.sh";
         "sxmo_hook_inputhandler.sh" = "${hookPkgs.inputhandler}/bin/sxmo_hook_inputhandler.sh";
         "sxmo_hook_postwake.sh" = "${hookPkgs.postwake}/bin/sxmo_hook_postwake.sh";
+        "sxmo_hook_rotate.sh" = "${hookPkgs.rotate}/bin/sxmo_hook_rotate.sh";
+        "sxmo_hook_start.sh" = "${hookPkgs.start}/bin/sxmo_hook_start.sh";
       };
       description = ''
         extra hooks to add with higher priority than the builtins
diff --git a/hosts/modules/gui/sxmo/hooks/sxmo_hook_rotate.sh b/hosts/modules/gui/sxmo/hooks/sxmo_hook_rotate.sh
new file mode 100755
index 00000000..5b55ffe8
--- /dev/null
+++ b/hosts/modules/gui/sxmo/hooks/sxmo_hook_rotate.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p sway
+
+# called whenever sxmo_rotate.sh is invoked.
+# i.e. whenever the screen is rotated manually, or automatically if autorotate is enabled.
+# $1 = the new orientation
+# possible values are "normal", "invert", "left" and "right"
+
+# exit fullscreen, if any app is in FS.
+# this benefits UX because:
+# - most of my FS use is in landscape mode
+# - when i toggle apps or desktops i always do so in portrait mode
+# - therefore when i rotate landscape -> portrait mode, i almost never want fullscreen anymore.
+if "$1" == "normal" || "$1" == "invert"; then
+  swaymsg fullscreen disable
+fi