update codex config to not contain local project dirs, update .tmux.conf only for gentoo, make tmux work with hyprland

1 files changed, 105 insertions, 0 deletions

diff --git a/dot_config/hypr/scripts/executable_tmux-smart-nav b/dot_config/hypr/scripts/executable_tmux-smart-nav
new file mode 100644
index 0000000..4275462
--- /dev/null
+++ b/dot_config/hypr/scripts/executable_tmux-smart-nav
@@ -0,0 +1,105 @@
+#!/usr/bin/env bash
+
+set -u
+
+direction="${1:-}"
+terminal_pid="${2:-}"
+
+case "$direction" in
+  left)
+    tmux_key="C-h"
+    ;;
+  right)
+    tmux_key="C-l"
+    ;;
+  up)
+    tmux_key="C-k"
+    ;;
+  down)
+    tmux_key="C-j"
+    ;;
+  *)
+    printf 'usage: %s <left|right|up|down> <terminal-pid>\n' "$0" >&2
+    exit 2
+    ;;
+esac
+
+if [[ ! "$terminal_pid" =~ ^[0-9]+$ ]] || ! command -v tmux >/dev/null 2>&1; then
+  printf 'hyprland\n'
+  exit
+fi
+
+# A tmux client is a descendant of the terminal process that owns it. This
+# avoids acting on a client in another Ghostty window.
+is_descendant_of() {
+  local pid="$1"
+  local parent
+
+  while [[ "$pid" =~ ^[0-9]+$ && "$pid" -gt 1 ]]; do
+    if [[ "$pid" == "$terminal_pid" ]]; then
+      return 0
+    fi
+
+    parent="$(ps -o ppid= -p "$pid" 2>/dev/null | tr -d '[:space:]')"
+    [[ -n "$parent" && "$parent" != "$pid" ]] || return 1
+    pid="$parent"
+  done
+
+  return 1
+}
+
+client_tty=""
+while read -r client_pid tty; do
+  if is_descendant_of "$client_pid"; then
+    client_tty="$tty"
+    break
+  fi
+done < <(tmux list-clients -F '#{client_pid} #{client_tty}' 2>/dev/null)
+
+if [[ -z "$client_tty" ]]; then
+  printf 'hyprland\n'
+  exit
+fi
+
+pane_id="$(tmux display-message -p -c "$client_tty" '#{pane_id}' 2>/dev/null)"
+pane_command="$(tmux display-message -p -c "$client_tty" '#{pane_current_command}' 2>/dev/null)"
+
+# Ghostty has one title for the whole tmux window, so it cannot identify the
+# focused pane's process. Ask Neovim through a pane-specific socket only when
+# tmux says this exact pane is running it.
+case "${pane_command,,}" in
+  nvim|vim)
+    safe_pane_id="${pane_id//[^a-zA-Z0-9_.-]/_}"
+    socket_path="${XDG_RUNTIME_DIR:-/tmp}/nvim-hypr-nav-pane-${safe_pane_id}.sock"
+    response="$(
+      printf 'nav:%s\n' "$direction" |
+        socat -T 0.25 -,ignoreeof "UNIX-CONNECT:$socket_path" 2>/dev/null || true
+    )"
+
+    if [[ "$response" == *success* ]]; then
+      printf 'handled\n'
+      exit
+    fi
+    ;;
+esac
+
+# Send the directional key through the matching client so tmux resolves it
+# against that client's own active pane. Its existing C-h/j/k/l bindings also
+# retain the configured Neovim handoff.
+at_edge="$(tmux display-message -p -c "$client_tty" "#{pane_at_${direction}}" 2>/dev/null)"
+
+if [[ -z "$pane_id" || "$at_edge" == "1" ]]; then
+  printf 'hyprland\n'
+  exit
+fi
+
+if tmux send-keys -c "$client_tty" -K "$tmux_key" >/dev/null 2>&1; then
+  selected_pane_id="$(tmux display-message -p -c "$client_tty" '#{pane_id}' 2>/dev/null)"
+
+  if [[ "$selected_pane_id" != "$pane_id" ]]; then
+    printf 'handled\n'
+    exit
+  fi
+fi
+
+printf 'hyprland\n'