adaptive sync

i3/config

@@ -20,6 +20,11 @@ font pango:NotoSans 12
 # text rendering and scalability on retina/hidpi displays (thanks to pango).
 #font pango:DejaVu Sans Mono 8
 
+# Clear leftover Wayland env (e.g. from a previous Hyprland/sway session) out of
+# systemd/dbus so dbus-activated apps like Thunar don't try to use a dead compositor.
+# Must run before anything dbus-activated starts.
+exec --no-startup-id sh -c "systemctl --user unset-environment WAYLAND_DISPLAY HYPRLAND_INSTANCE_SIGNATURE SWAYSOCK; dbus-update-activation-environment --systemd DISPLAY XAUTHORITY XDG_CURRENT_DESKTOP=i3 XDG_SESSION_TYPE=x11; pkill -x Thunar"
+
 # Start XDG autostart .desktop files using dex. See also
 # https://wiki.archlinux.org/index.php/XDG_Autostart
 exec --no-startup-id dex --autostart --environment i3
@@ -58,6 +63,7 @@ exec --no-startup-id /usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1
 exec --no-startup-id ~/.config/i3/scripts/wallpaper-rotate $wallpaper_dir
 exec --no-startup-id pasystray
 exec --no-startup-id polybar
+exec --no-startup-id ~/.config/i3/scripts/guide-freeze
 
 set $refresh_i3status killall -SIGUSR1 i3status
 
@@ -99,7 +105,7 @@ floating_modifier $mod
 #xrandr --output HDMI-2 --auto --right-of eDP1
 # High refresh rates can flicker on AMD (VRAM clock switching), so run the
 # desktop at 120Hz. See README "High refresh rate flicker".
-exec --no-startup-id xrandr --output DisplayPort-0 --mode 1920x1080 --rate 120
+exec --no-startup-id xrandr --output DisplayPort-0 --mode 1920x1080 --rate 240
 
 # start a terminal
 #bindsym $mod+Return exec i3-sensible-terminal
@@ -108,6 +114,9 @@ bindsym $mod+Return exec $terminal
 # kill focused window
 bindsym $mod+Shift+q kill
 
+# freeze / resume focused window (SIGSTOP / SIGCONT)
+bindsym $mod+m exec --no-startup-id ~/.config/i3/scripts/freeze-toggle
+
 # start dmenu (a program launcher)
 #bindsym $mod+d exec --no-startup-id j4-dmenu-desktop
 #bindsym $mod+d exec --no-startup-id dmenu