feat(sh): niri spawning script for stacking two windows of same app vertically

modules/home/programs/ghostty/default.nix

@@ -28,7 +28,7 @@ in
         enableFishIntegration = config.programs.fish.enable;
         enableZshIntegration = config.programs.zsh.enable;
         settings = {
-          theme = "GruvboxDarkHard";
+          theme = "Gruvbox Dark Hard";
           focus-follows-mouse = true;
           resize-overlay = "never";
           background-opacity = 0.95;

scripts/bin/ghostty-spawn.sh

@@ -0,0 +1,77 @@
+# Ghostty spawn-or-focus logic for Niri:
+# If no Ghostty windows exist, spawn one.
+# If focused window is not Ghostty, focus the first Ghostty instance.
+# If Ghostty is focused and only one instance exists, spawn + consume into stack.
+# If Ghostty is focused and two instances already exist, spawn a new separate one.
+# Cycle repeats: focus first > allow stack of 2 > reset on 3rd.
+
+APP_ID="com.mitchellh.ghostty"
+APP_CMD="ghostty"
+
+WINDOW_DATA=$(niri msg -j windows)
+
+readarray -t GHOSTTY_IDS < <(
+  echo "$WINDOW_DATA" | jq -r --arg app_id "$APP_ID" '
+    [ .[] | select(.app_id == $app_id) ]
+    | sort_by(.layout.pos_in_scrolling_layout // [0,0])
+    | .[].id
+  '
+)
+
+COUNT=${#GHOSTTY_IDS[@]}
+
+FOCUSED_IS_GHOSTTY=$(
+  echo "$WINDOW_DATA" | jq -r --arg app_id "$APP_ID" '
+    any(.[]; .app_id == $app_id and .is_focused)
+  '
+)
+
+spawn_normal() {
+  "$APP_CMD" &
+}
+
+spawn_and_consume() {
+  local initial_ids=("$@")
+  "$APP_CMD" &
+  local pid=$!
+
+  for _ in {1..50}; do
+    readarray -t after_ids < <(
+      niri msg -j windows | jq -r --arg app_id "$APP_ID" '
+        [ .[] | select(.app_id == $app_id) ]
+        | sort_by(.layout.pos_in_scrolling_layout // [0,0])
+        | .[].id
+      '
+    )
+
+    NEW_ID=""
+    for id in "${after_ids[@]}"; do
+      [[ " ${initial_ids[*]} " == *" $id "* ]] || NEW_ID="$id"
+    done
+
+    if [ -n "$NEW_ID" ]; then
+      niri msg action focus-window --id "${initial_ids[$((${#initial_ids[@]} - 1))]}"
+      niri msg action consume-window-into-column
+      break
+    fi
+    sleep 0.05
+  done
+
+  wait "$pid" 2>/dev/null || true
+}
+
+if ((COUNT == 0)); then
+  spawn_normal
+  exit 0
+fi
+
+if [ "$FOCUSED_IS_GHOSTTY" != "true" ]; then
+  niri msg action focus-window --id "${GHOSTTY_IDS[0]}"
+  exit 0
+fi
+
+if ((COUNT % 2 == 0)); then
+  spawn_normal
+else
+  spawn_and_consume "${GHOSTTY_IDS[@]}"
+fi

scripts/bin/spawn.sh

@@ -0,0 +1,82 @@
+# Spawn-or-focus logic for Niri:
+# If no "app" windows exist, spawn one.
+# If focused window is not "app", focus the first "app" instance.
+# If "app" is focused and only one instance exists, spawn + consume into stack.
+# If "app" is focused and two instances already exist, spawn a new separate one.
+# Cycle repeats: focus first > allow stack of 2 > reset on 3rd.
+
+if [ $# -lt 1 ]; then
+  echo "Usage: $0 <APP_ID> [APP_CMD]" >&2
+  exit 1
+fi
+
+APP_ID="$1"
+APP_CMD="${2:-$1}"
+
+WINDOW_DATA=$(niri msg -j windows)
+
+readarray -t APP_IDS < <(
+  echo "$WINDOW_DATA" | jq -r --arg app_id "$APP_ID" '
+    [ .[] | select(.app_id == $app_id) ]
+    | sort_by(.layout.pos_in_scrolling_layout // [0,0])
+    | .[].id
+  '
+)
+
+COUNT=${#APP_IDS[@]}
+
+FOCUSED_IS_APP=$(
+  echo "$WINDOW_DATA" | jq -r --arg app_id "$APP_ID" '
+    any(.[]; .app_id == $app_id and .is_focused)
+  '
+)
+
+spawn_normal() {
+  "$APP_CMD" &
+}
+
+spawn_and_consume() {
+  local initial_ids=("$@")
+  "$APP_CMD" &
+  local pid=$!
+
+  for _ in {1..50}; do
+    readarray -t after_ids < <(
+      niri msg -j windows | jq -r --arg app_id "$APP_ID" '
+        [ .[] | select(.app_id == $app_id) ]
+        | sort_by(.layout.pos_in_scrolling_layout // [0,0])
+        | .[].id
+      '
+    )
+
+    NEW_ID=""
+    for id in "${after_ids[@]}"; do
+      [[ " ${initial_ids[*]} " == *" $id "* ]] || NEW_ID="$id"
+    done
+
+    if [ -n "$NEW_ID" ]; then
+      niri msg action focus-window --id "${initial_ids[$((${#initial_ids[@]} - 1))]}"
+      niri msg action consume-window-into-column
+      break
+    fi
+    sleep 0.05
+  done
+
+  wait "$pid" 2>/dev/null || true
+}
+
+if ((COUNT == 0)); then
+  spawn_normal
+  exit 0
+fi
+
+if [ "$FOCUSED_IS_APP" != "true" ]; then
+  niri msg action focus-window --id "${APP_IDS[0]}"
+  exit 0
+fi
+
+if ((COUNT % 2 == 0)); then
+  spawn_normal
+else
+  spawn_and_consume "${APP_IDS[@]}"
+fi

scripts/bin/tuirun-debug.sh

@@ -1,41 +0,0 @@
-# Log file location
-LOGFILE="/home/$USER/.cache/tuirun/tuirun-toggle.log"
-# Redirect all output and errors to the log file
-exec >>"$LOGFILE" 2>&1
-# Enable command tracing
-set -x
-
-echo "Script started at $(date)"
-
-# Log the environment variables
-echo "Environment variables:"
-env
-
-# Define TERMINAL if not set
-TERMINAL="${TERMINAL:-foot}"
-echo "TERMINAL is set to: $TERMINAL"
-
-# Ensure USER is set
-USER="${USER:-$(whoami)}"
-echo "USER is set to: $USER"
-
-# Path to the tuirun executable
-TUIRUN_PATH="/etc/profiles/per-user/$USER/bin/tuirun"
-echo "TUIRUN_PATH is set to: $TUIRUN_PATH"
-
-# Use absolute paths for commands
-PGREP="/run/current-system/sw/bin/pgrep"
-PKILL="/run/current-system/sw/bin/pkill"
-HYPRCTL="/etc/profiles/per-user/$USER/bin/hyprctl"
-
-echo "Checking if tuirun is already running..."
-
-if "$PGREP" -f "$TERMINAL --title tuirun" >/dev/null; then
-  echo "Found existing tuirun process. Terminating..."
-  "$PKILL" -f "$TERMINAL --title tuirun"
-else
-  echo "No existing tuirun process. Starting a new one..."
-  "$HYPRCTL" dispatch exec "$TERMINAL --title tuirun -e $TUIRUN_PATH"
-fi
-
-echo "Script finished at $(date)"

scripts/bin/tuirun-toggle.sh

@@ -1,37 +0,0 @@
-# Define TERMINAL if not set
-TERMINAL="${TERMINAL:-foot}"
-
-# Use absolute paths for commands
-PGREP="/run/current-system/sw/bin/pgrep"
-PKILL="/run/current-system/sw/bin/pkill"
-UWSM="/run/current-system/sw/bin/uwsm"
-TUIRUN_PATH="/etc/profiles/per-user/$USER/bin/tuirun"
-
-# Determine OPTIONS based on TERMINAL
-if [ "$TERMINAL" = "foot" ]; then
-  OPTIONS="--override=main.pad=0x0"
-elif [ "$TERMINAL" = "alacritty" ]; then
-  OPTIONS="--option window.padding.x=0 --option window.padding.y=0"
-else
-  OPTIONS=""
-fi
-
-# Matching pattern for the process
-MATCH_PATTERN="$TERMINAL --title tuirun"
-if "$PGREP" -f "$MATCH_PATTERN" >/dev/null; then
-  echo "$(date): Killing existing process"
-  "$PKILL" -f "$MATCH_PATTERN"
-else
-  # Log the environment for debugging
-  env >/tmp/script_env.txt
-  # Construct the command as an array for proper argument handling
-  CMD=("$TERMINAL" "--title" "tuirun")
-  if [ -n "$OPTIONS" ]; then
-    CMD+=("$OPTIONS")
-  fi
-  CMD+=("-e" "$TUIRUN_PATH")
-
-  echo "$(date): Executing command: ${CMD[*]}"
-  # Use eval to expand the command or pass the arguments directly
-  "$UWSM" app -- "${CMD[@]}"
-fi

scripts/bin/tuirun-toggle.shbak

@@ -1,33 +0,0 @@
-# Define TERMINAL if not set
-TERMINAL="${TERMINAL:-foot}"
-
-# Use absolute paths for commands
-PGREP="/run/current-system/sw/bin/pgrep"
-PKILL="/run/current-system/sw/bin/pkill"
-HYPRCTL="/etc/profiles/per-user/$USER/bin/hyprctl"
-TUIRUN_PATH="/etc/profiles/per-user/$USER/bin/tuirun"
-
-# Determine OPTIONS based on TERMINAL
-if [ "$TERMINAL" = "foot" ]; then
-  OPTIONS="--override=main.pad=0x0"
-elif [ "$TERMINAL" = "alacritty" ]; then
-  OPTIONS="--option window.padding.x=0 --option window.padding.y=0"
-else
-  OPTIONS=""
-fi
-
-# Matching pattern for the process
-MATCH_PATTERN="$TERMINAL --title tuirun"
-if "$PGREP" -f "$MATCH_PATTERN" >/dev/null; then
-  "$PKILL" -f "$MATCH_PATTERN"
-else
-  # Construct the command
-  CMD="$TERMINAL --title tuirun"
-  if [ -n "$OPTIONS" ]; then
-    CMD="$CMD $OPTIONS"
-  fi
-  # Use login shell to ensure proper environment
-  CMD="$CMD -e $SHELL -l -c '$TUIRUN_PATH'"
-  # Launch the terminal with OPTIONS
-  "$HYPRCTL" dispatch exec "$CMD"
-fi

scripts/default.nix

@@ -12,8 +12,17 @@ in
 {
   home = {
     sessionPath = [ "${config.home.homeDirectory}/.local/bin" ];
-
     file = {
+      ".local/bin/spawn.sh" = {
+        source = getExe (
+          pkgs.writeShellApplication {
+            name = "spawn";
+            runtimeInputs = with pkgs; [ niri ];
+            text = readFile ./bin/spawn.sh;
+          }
+        );
+      };
+
       ".local/bin/spawn-or-focus.sh" = {
         source = getExe (
           pkgs.writeShellApplication {
@@ -34,34 +43,6 @@ in
         );
       };
 
-      ".local/bin/tuirun-toggle.sh" = {
-        source = getExe (
-          pkgs.writeShellApplication {
-            name = "tuirun-toggle";
-            runtimeInputs = with pkgs; [
-              hyprland
-              uwsm
-            ];
-            text = readFile ./bin/tuirun-toggle.sh;
-          }
-        );
-      };
-
-      ".local/bin/tuirun-debugger.sh" = {
-        source = getExe (
-          pkgs.writeShellApplication {
-            name = "tuirun-debugger";
-            runtimeInputs = with pkgs; [ hyprland ];
-            text = ''
-              # Save environment to file
-              env > /tmp/tuirun-env.txt
-              # Run tuirun
-              /etc/profiles/per-user/cnst/bin/tuirun
-            '';
-          }
-        );
-      };
-
       ".local/bin/calcurse-toggle.sh" = {
         source = getExe (
           pkgs.writeShellApplication {