fix no config redraw

* current window 4

* refresh settings on new message

* redraw dialog and fix traceroute

* formatting and catch

* move continue

README.md

@@ -33,6 +33,7 @@ By navigating to Settings -> App Settings, you may customize your UI's icons, co
 - `CTRL` + `p` = Hide/show a log of raw received packets.
 - `CTRL` + `t` = With the Node List highlighted, send a traceroute to the selected node 
 - `CTRL` + `d` = With the Channel List hightlighted, archive a chat to reduce UI clutter. Messages will be saved in the db and repopulate if you send or receive a DM from this user.
+- `CTRL` + `d` = With the Note List highlghted, remove a node from your nodedb.
 - `ESC` = Exit out of the Settings Dialogue, or Quit the application if settings are not displayed.
 
 ### Search
@@ -67,3 +68,11 @@ To quickly connect to localhost, use:
 ```sh
 contact -t
 ```
+## Install in development (editable) mode:
+```bash
+git clone https://github.com/pdxlocations/contact.git
+cd contact
+python3 -m venv .venv
+source .venv/bin/activate
+pip install -e .
+```

contact/__main__.py

@@ -24,7 +24,6 @@ import traceback
 from pubsub import pub
 
 # Local application
-import contact.globals as globals
 import contact.ui.default_config as config
 from contact.message_handlers.rx_handler import on_receive
 from contact.settings import set_region
@@ -36,7 +35,7 @@ from contact.utilities.db_handler import init_nodedb, load_messages_from_db
 from contact.utilities.input_handlers import get_list_input
 from contact.utilities.interfaces import initialize_interface
 from contact.utilities.utils import get_channels, get_nodeNum, get_node_list
-
+from contact.utilities.singleton import ui_state, interface_state, app_state
 
 # ------------------------------------------------------------------------------
 # Environment & Logging Setup
@@ -52,28 +51,27 @@ logging.basicConfig(
     filename=config.log_file_path, level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s"
 )
 
-globals.lock = threading.Lock()
+app_state.lock = threading.Lock()
+
 
 # ------------------------------------------------------------------------------
 # Main Program Logic
 # ------------------------------------------------------------------------------
+def prompt_region_if_unset(args: object) -> None:
+    """Prompt user to set region if it is unset."""
+    confirmation = get_list_input("Your region is UNSET. Set it now?", "Yes", ["Yes", "No"])
+    if confirmation == "Yes":
+        set_region(interface_state.interface)
+        interface_state.interface.close()
+        interface_state.interface = initialize_interface(args)
 
 
-def initialize_globals(args) -> None:
+def initialize_globals() -> None:
     """Initializes interface and shared globals."""
-    globals.interface = initialize_interface(args)
 
-    # Prompt for region if unset
-    if globals.interface.localNode.localConfig.lora.region == 0:
-        confirmation = get_list_input("Your region is UNSET. Set it now?", "Yes", ["Yes", "No"])
-        if confirmation == "Yes":
-            set_region(globals.interface)
-            globals.interface.close()
-            globals.interface = initialize_interface(args)
-
-    globals.myNodeNum = get_nodeNum()
-    globals.channel_list = get_channels()
-    globals.node_list = get_node_list()
+    interface_state.myNodeNum = get_nodeNum()
+    ui_state.channel_list = get_channels()
+    ui_state.node_list = get_node_list()
     pub.subscribe(on_receive, "meshtastic.receive")
 
     init_nodedb()
@@ -82,55 +80,63 @@ def initialize_globals(args) -> None:
 
 def main(stdscr: curses.window) -> None:
     """Main entry point for the curses UI."""
+
     output_capture = io.StringIO()
-
     try:
-        with contextlib.redirect_stdout(output_capture), contextlib.redirect_stderr(output_capture):
-            setup_colors()
-            draw_splash(stdscr)
+        setup_colors()
+        draw_splash(stdscr)
 
-            args = setup_parser().parse_args()
+        args = setup_parser().parse_args()
 
-            if getattr(args, "settings", False):
-                subprocess.run([sys.executable, "-m", "contact.settings"], check=True)
-                return
+        if getattr(args, "settings", False):
+            subprocess.run([sys.executable, "-m", "contact.settings"], check=True)
+            return
 
-            logging.info("Initializing interface...")
-            with globals.lock:
-                initialize_globals(args)
-                logging.info("Starting main UI")
+        logging.info("Initializing interface...")
+        with app_state.lock:
+            interface_state.interface = initialize_interface(args)
 
-            main_ui(stdscr)
+            if interface_state.interface.localNode.localConfig.lora.region == 0:
+                prompt_region_if_unset(args)
 
-    except Exception as e:
-        console_output = output_capture.getvalue()
-        logging.error("Uncaught exception: %s", e)
-        logging.error("Traceback: %s", traceback.format_exc())
-        logging.error("Console output:\n%s", console_output)
+            initialize_globals()
+            logging.info("Starting main UI")
+
+        try:
+            with contextlib.redirect_stdout(output_capture), contextlib.redirect_stderr(output_capture):
+                main_ui(stdscr)
+        except Exception:
+            console_output = output_capture.getvalue()
+            logging.error("Uncaught exception inside main_ui")
+            logging.error("Traceback:\n%s", traceback.format_exc())
+            logging.error("Console output:\n%s", console_output)
+            return
+
+    except Exception:
         raise
 
 
 def start() -> None:
-    """Launch curses wrapper and redirect logs to file."""
+    """Entry point for the application."""
 
     if "--help" in sys.argv or "-h" in sys.argv:
         setup_parser().print_help()
         sys.exit(0)
 
-    with open(config.log_file_path, "a", buffering=1) as log_f:
-        sys.stdout = log_f
-        sys.stderr = log_f
-
-        with contextlib.redirect_stdout(log_f), contextlib.redirect_stderr(log_f):
-            try:
-                curses.wrapper(main)
-            except KeyboardInterrupt:
-                logging.info("User exited with Ctrl+C")
-                sys.exit(0)
-            except Exception as e:
-                logging.error("Fatal error: %s", e)
-                logging.error("Traceback: %s", traceback.format_exc())
-                sys.exit(1)
+    try:
+        curses.wrapper(main)
+    except KeyboardInterrupt:
+        logging.info("User exited with Ctrl+C")
+        sys.exit(0)
+    except Exception as e:
+        logging.critical("Fatal error", exc_info=True)
+        try:
+            curses.endwin()
+        except Exception:
+            pass
+        print("Fatal error:", e)
+        traceback.print_exc()
+        sys.exit(1)
 
 
 if __name__ == "__main__":

contact/globals.py

@@ -1,13 +0,0 @@
-interface = None
-lock = None
-display_log = False
-all_messages = {}
-channel_list = []
-notifications = []
-packet_buffer = []
-node_list = []
-myNodeNum = 0
-selected_channel = 0
-selected_message = 0
-selected_node = 0
-current_window = 0

contact/message_handlers/rx_handler.py

@@ -1,9 +1,14 @@
 import logging
-import time
-from datetime import datetime
+import os
+import platform
+import shutil
+import subprocess
 from typing import Any, Dict
 
-from contact.utilities.utils import refresh_node_list
+from contact.utilities.utils import (
+    refresh_node_list,
+    add_new_message,
+)
 from contact.ui.contact_ui import (
     draw_packetlog_win,
     draw_node_list,
@@ -18,7 +23,48 @@ from contact.utilities.db_handler import (
     update_node_info_in_db,
 )
 import contact.ui.default_config as config
-import contact.globals as globals
+
+from contact.utilities.singleton import ui_state, interface_state, app_state
+
+
+def play_sound():
+    try:
+        system = platform.system()
+        sound_path = None
+        executable = None
+
+        if system == "Darwin":  # macOS
+            sound_path = "/System/Library/Sounds/Ping.aiff"
+            executable = "afplay"
+
+        elif system == "Linux":
+            ogg_path = "/usr/share/sounds/freedesktop/stereo/complete.oga"
+            wav_path = "/usr/share/sounds/alsa/Front_Center.wav"  # common fallback
+
+            if shutil.which("paplay") and os.path.exists(ogg_path):
+                executable = "paplay"
+                sound_path = ogg_path
+            elif shutil.which("ffplay") and os.path.exists(ogg_path):
+                executable = "ffplay"
+                sound_path = ogg_path
+            elif shutil.which("aplay") and os.path.exists(wav_path):
+                executable = "aplay"
+                sound_path = wav_path
+            else:
+                logging.warning("No suitable sound player or sound file found on Linux")
+
+        if executable and sound_path:
+            cmd = [executable, sound_path]
+            if executable == "ffplay":
+                cmd = [executable, "-nodisp", "-autoexit", sound_path]
+
+            subprocess.run(cmd, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+            return
+
+    except subprocess.CalledProcessError as e:
+        logging.error(f"Sound playback failed: {e}")
+    except Exception as e:
+        logging.error(f"Unexpected error: {e}")
 
 
 def on_receive(packet: Dict[str, Any], interface: Any) -> None:
@@ -29,14 +75,14 @@ def on_receive(packet: Dict[str, Any], interface: Any) -> None:
         packet: The received Meshtastic packet as a dictionary.
         interface: The Meshtastic interface instance that received the packet.
     """
-    with globals.lock:
+    with app_state.lock:
         # Update packet log
-        globals.packet_buffer.append(packet)
-        if len(globals.packet_buffer) > 20:
+        ui_state.packet_buffer.append(packet)
+        if len(ui_state.packet_buffer) > 20:
             # Trim buffer to 20 packets
-            globals.packet_buffer = globals.packet_buffer[-20:]
+            ui_state.packet_buffer = ui_state.packet_buffer[-20:]
 
-        if globals.display_log:
+        if ui_state.display_log:
             draw_packetlog_win()
         try:
             if "decoded" not in packet:
@@ -52,6 +98,10 @@ def on_receive(packet: Dict[str, Any], interface: Any) -> None:
                     maybe_store_nodeinfo_in_db(packet)
 
             elif packet["decoded"]["portnum"] == "TEXT_MESSAGE_APP":
+
+                if config.notification_sound == "True":
+                    play_sound()
+
                 message_bytes = packet["decoded"]["payload"]
                 message_string = message_bytes.decode("utf-8")
 
@@ -63,19 +113,21 @@ def on_receive(packet: Dict[str, Any], interface: Any) -> None:
                 else:
                     channel_number = 0
 
-                if packet["to"] == globals.myNodeNum:
-                    if packet["from"] in globals.channel_list:
+                if packet["to"] == interface_state.myNodeNum:
+                    if packet["from"] in ui_state.channel_list:
                         pass
                     else:
-                        globals.channel_list.append(packet["from"])
-                        if packet["from"] not in globals.all_messages:
-                            globals.all_messages[packet["from"]] = []
+                        ui_state.channel_list.append(packet["from"])
+                        if packet["from"] not in ui_state.all_messages:
+                            ui_state.all_messages[packet["from"]] = []
                         update_node_info_in_db(packet["from"], chat_archived=False)
                         refresh_channels = True
 
-                    channel_number = globals.channel_list.index(packet["from"])
+                    channel_number = ui_state.channel_list.index(packet["from"])
 
-                if globals.channel_list[channel_number] != globals.channel_list[globals.selected_channel]:
+                channel_id = ui_state.channel_list[channel_number]
+
+                if channel_id != ui_state.channel_list[ui_state.selected_channel]:
                     add_notification(channel_number)
                     refresh_channels = True
                 else:
@@ -85,40 +137,14 @@ def on_receive(packet: Dict[str, Any], interface: Any) -> None:
                 message_from_id = packet["from"]
                 message_from_string = get_name_from_database(message_from_id, type="short") + ":"
 
-                if globals.channel_list[channel_number] not in globals.all_messages:
-                    globals.all_messages[globals.channel_list[channel_number]] = []
-
-                # Timestamp handling
-                current_timestamp = time.time()
-                current_hour = datetime.fromtimestamp(current_timestamp).strftime("%Y-%m-%d %H:00")
-
-                # Retrieve the last timestamp if available
-                channel_messages = globals.all_messages[globals.channel_list[channel_number]]
-                if channel_messages:
-                    # Check the last entry for a timestamp
-                    for entry in reversed(channel_messages):
-                        if entry[0].startswith("--"):
-                            last_hour = entry[0].strip("- ").strip()
-                            break
-                    else:
-                        last_hour = None
-                else:
-                    last_hour = None
-
-                # Add a new timestamp if it's a new hour
-                if last_hour != current_hour:
-                    globals.all_messages[globals.channel_list[channel_number]].append((f"-- {current_hour} --", ""))
-
-                globals.all_messages[globals.channel_list[channel_number]].append(
-                    (f"{config.message_prefix} {message_from_string} ", message_string)
-                )
+                add_new_message(channel_id, f"{config.message_prefix} {message_from_string} ", message_string)
 
                 if refresh_channels:
                     draw_channel_list()
                 if refresh_messages:
                     draw_messages_window(True)
 
-                save_message_to_db(globals.channel_list[channel_number], message_from_id, message_string)
+                save_message_to_db(channel_id, message_from_id, message_string)
 
         except KeyError as e:
             logging.error(f"Error processing packet: {e}")

contact/message_handlers/tx_handler.py

@@ -1,4 +1,3 @@
-from datetime import datetime
 from typing import Any, Dict
 
 import google.protobuf.json_format
@@ -13,7 +12,10 @@ from contact.utilities.db_handler import (
     update_node_info_in_db,
 )
 import contact.ui.default_config as config
-import contact.globals as globals
+
+from contact.utilities.singleton import ui_state, interface_state
+
+from contact.utilities.utils import add_new_message
 
 ack_naks: Dict[str, Dict[str, Any]] = {}  # requestId -> {channel, messageIndex, timestamp}
 
@@ -31,12 +33,12 @@ def onAckNak(packet: Dict[str, Any]) -> None:
         return
 
     acknak = ack_naks.pop(request)
-    message = globals.all_messages[acknak["channel"]][acknak["messageIndex"]][1]
+    message = ui_state.all_messages[acknak["channel"]][acknak["messageIndex"]][1]
 
     confirm_string = " "
     ack_type = None
     if packet["decoded"]["routing"]["errorReason"] == "NONE":
-        if packet["from"] == globals.myNodeNum:  # Ack "from" ourself means implicit ACK
+        if packet["from"] == interface_state.myNodeNum:  # Ack "from" ourself means implicit ACK
             confirm_string = config.ack_implicit_str
             ack_type = "Implicit"
         else:
@@ -46,15 +48,15 @@ def onAckNak(packet: Dict[str, Any]) -> None:
         confirm_string = config.nak_str
         ack_type = "Nak"
 
-    globals.all_messages[acknak["channel"]][acknak["messageIndex"]] = (
+    ui_state.all_messages[acknak["channel"]][acknak["messageIndex"]] = (
         config.sent_message_prefix + confirm_string + ": ",
         message,
     )
 
     update_ack_nak(acknak["channel"], acknak["timestamp"], message, ack_type)
 
-    channel_number = globals.channel_list.index(acknak["channel"])
-    if globals.channel_list[channel_number] == globals.channel_list[globals.selected_channel]:
+    channel_number = ui_state.channel_list.index(acknak["channel"])
+    if ui_state.channel_list[channel_number] == ui_state.channel_list[ui_state.selected_channel]:
         draw_messages_window()
 
 
@@ -137,16 +139,17 @@ def on_response_traceroute(packet: Dict[str, Any]) -> None:
 
         msg_str += route_str + "\n"  # Print the route back to us
 
-    if packet["from"] not in globals.channel_list:
-        globals.channel_list.append(packet["from"])
+    if packet["from"] not in ui_state.channel_list:
+        ui_state.channel_list.append(packet["from"])
         refresh_channels = True
 
     if is_chat_archived(packet["from"]):
         update_node_info_in_db(packet["from"], chat_archived=False)
 
-    channel_number = globals.channel_list.index(packet["from"])
+    channel_number = ui_state.channel_list.index(packet["from"])
+    channel_id = ui_state.channel_list[channel_number]
 
-    if globals.channel_list[channel_number] == globals.channel_list[globals.selected_channel]:
+    if channel_id == ui_state.channel_list[ui_state.selected_channel]:
         refresh_messages = True
     else:
         add_notification(channel_number)
@@ -154,33 +157,29 @@ def on_response_traceroute(packet: Dict[str, Any]) -> None:
 
     message_from_string = get_name_from_database(packet["from"], type="short") + ":\n"
 
-    if globals.channel_list[channel_number] not in globals.all_messages:
-        globals.all_messages[globals.channel_list[channel_number]] = []
-    globals.all_messages[globals.channel_list[channel_number]].append(
-        (f"{config.message_prefix} {message_from_string}", msg_str)
-    )
+    add_new_message(channel_id, f"{config.message_prefix} {message_from_string}", msg_str)
 
     if refresh_channels:
         draw_channel_list()
     if refresh_messages:
         draw_messages_window(True)
-    save_message_to_db(globals.channel_list[channel_number], packet["from"], msg_str)
 
+    save_message_to_db(channel_id, packet["from"], msg_str)
 
 def send_message(message: str, destination: int = BROADCAST_NUM, channel: int = 0) -> None:
     """
     Sends a chat message using the selected channel.
     """
-    myid = globals.myNodeNum
+    myid = interface_state.myNodeNum
     send_on_channel = 0
-    channel_id = globals.channel_list[channel]
+    channel_id = ui_state.channel_list[channel]
     if isinstance(channel_id, int):
         send_on_channel = 0
         destination = channel_id
     elif isinstance(channel_id, str):
         send_on_channel = channel
 
-    sent_message_data = globals.interface.sendText(
+    sent_message_data = interface_state.interface.sendText(
         text=message,
         destinationId=destination,
         wantAck=True,
@@ -189,38 +188,13 @@ def send_message(message: str, destination: int = BROADCAST_NUM, channel: int =
         channelIndex=send_on_channel,
     )
 
-    # Add sent message to the messages dictionary
-    if channel_id not in globals.all_messages:
-        globals.all_messages[channel_id] = []
-
-    # Handle timestamp logic
-    current_timestamp = int(datetime.now().timestamp())  # Get current timestamp
-    current_hour = datetime.fromtimestamp(current_timestamp).strftime("%Y-%m-%d %H:00")
-
-    # Retrieve the last timestamp if available
-    channel_messages = globals.all_messages[channel_id]
-    if channel_messages:
-        # Check the last entry for a timestamp
-        for entry in reversed(channel_messages):
-            if entry[0].startswith("--"):
-                last_hour = entry[0].strip("- ").strip()
-                break
-        else:
-            last_hour = None
-    else:
-        last_hour = None
-
-    # Add a new timestamp if it's a new hour
-    if last_hour != current_hour:
-        globals.all_messages[channel_id].append((f"-- {current_hour} --", ""))
-
-    globals.all_messages[channel_id].append((config.sent_message_prefix + config.ack_unknown_str + ": ", message))
+    add_new_message(channel_id, config.sent_message_prefix + config.ack_unknown_str + ": ", message)
 
     timestamp = save_message_to_db(channel_id, myid, message)
 
     ack_naks[sent_message_data.id] = {
         "channel": channel_id,
-        "messageIndex": len(globals.all_messages[channel_id]) - 1,
+        "messageIndex": len(ui_state.all_messages[channel_id]) - 1,
         "timestamp": timestamp,
     }
 
@@ -229,10 +203,14 @@ def send_traceroute() -> None:
     """
     Sends a RouteDiscovery protobuf to the selected node.
     """
+
+    channel_id = ui_state.node_list[ui_state.selected_node]
+    add_new_message(channel_id, f"{config.message_prefix} Sent Traceroute", "")
+
     r = mesh_pb2.RouteDiscovery()
-    globals.interface.sendData(
+    interface_state.interface.sendData(
         r,
-        destinationId=globals.node_list[globals.selected_node],
+        destinationId=channel_id,
         portNum=portnums_pb2.PortNum.TRACEROUTE_APP,
         wantResponse=True,
         onResponse=on_response_traceroute,

contact/ui/control_ui.py

@@ -6,6 +6,7 @@ import sys
 from typing import List
 
 from contact.utilities.save_to_radio import save_changes
+import contact.ui.default_config as config
 from contact.utilities.config_io import config_export, config_import
 from contact.utilities.control_utils import parse_ini_file, transform_menu_path
 from contact.utilities.input_handlers import (
@@ -20,9 +21,7 @@ from contact.ui.dialog import dialog
 from contact.ui.menus import generate_menu_from_protobuf
 from contact.ui.nav_utils import move_highlight, draw_arrows, update_help_window
 from contact.ui.user_config import json_editor
-from contact.ui.ui_state import MenuState
-
-menu_state = MenuState()
+from contact.utilities.singleton import menu_state
 
 # Constants
 width = 80
@@ -36,16 +35,17 @@ script_dir = os.path.dirname(os.path.abspath(__file__))
 parent_dir = os.path.abspath(os.path.join(script_dir, os.pardir))
 
 # Paths
-locals_dir = os.path.dirname(os.path.abspath(sys.argv[0]))  # Current script directory
+# locals_dir = os.path.dirname(os.path.abspath(sys.argv[0]))  # Current script directory
 translation_file = os.path.join(parent_dir, "localisations", "en.ini")
 
-config_folder = os.path.join(locals_dir, "node-configs")
+# config_folder = os.path.join(locals_dir, "node-configs")
+config_folder = os.path.abspath(config.node_configs_file_path)
 
 # Load translations
 field_mapping, help_text = parse_ini_file(translation_file)
 
 
-def display_menu(menu_state: MenuState) -> tuple[object, object]:  # curses.window or pad types
+def display_menu() -> tuple[object, object]:  # curses.window or pad types
 
     min_help_window_height = 6
     num_items = len(menu_state.current_menu) + (1 if menu_state.show_save_option else 0)
@@ -106,7 +106,7 @@ def display_menu(menu_state: MenuState) -> tuple[object, object]:  # curses.wind
         )
 
     # Draw help window with dynamically updated max_help_lines
-    draw_help_window(start_y, start_x, menu_height, max_help_lines, transformed_path, menu_state)
+    draw_help_window(start_y, start_x, menu_height, max_help_lines, transformed_path)
 
     menu_win.refresh()
     menu_pad.refresh(
@@ -132,7 +132,6 @@ def draw_help_window(
     menu_height: int,
     max_help_lines: int,
     transformed_path: List[str],
-    menu_state: MenuState,
 ) -> None:
 
     global help_win
@@ -150,6 +149,15 @@ def draw_help_window(
     )
 
 
+def get_input_type_for_field(field) -> type:
+    if field.type in (field.TYPE_INT32, field.TYPE_UINT32, field.TYPE_INT64):
+        return int
+    elif field.type in (field.TYPE_FLOAT, field.TYPE_DOUBLE):
+        return float
+    else:
+        return str
+
+
 def settings_menu(stdscr: object, interface: object) -> None:
     curses.update_lines_cols()
 
@@ -159,29 +167,32 @@ def settings_menu(stdscr: object, interface: object) -> None:
 
     modified_settings = {}
 
-    need_redraw = True
+    menu_state.need_redraw = True
     menu_state.show_save_option = False
 
     while True:
-        if need_redraw:
+        if menu_state.need_redraw:
+            menu_state.need_redraw = False
             options = list(menu_state.current_menu.keys())
 
+            # Determine if save option should be shown
+            path = menu_state.menu_path
             menu_state.show_save_option = (
-                (
-                    len(menu_state.menu_path) > 2
-                    and ("Radio Settings" in menu_state.menu_path or "Module Settings" in menu_state.menu_path)
-                )
-                or (len(menu_state.menu_path) == 2 and "User Settings" in menu_state.menu_path)
-                or (len(menu_state.menu_path) == 3 and "Channels" in menu_state.menu_path)
+                (len(path) > 2 and ("Radio Settings" in path or "Module Settings" in path))
+                or (len(path) == 2 and "User Settings" in path)
+                or (len(path) == 3 and "Channels" in path)
             )
 
             # Display the menu
-            menu_win, menu_pad = display_menu(menu_state)
+            menu_win, menu_pad = display_menu()
 
-            need_redraw = False
+        if menu_win is None:
+            continue  # Skip if menu_win is not initialized
 
-        # Capture user input
+        menu_win.timeout(200)  # wait up to 200 ms for a keypress (or less if key is pressed)
         key = menu_win.getch()
+        if key == -1:
+            continue
 
         max_index = len(options) + (1 if menu_state.show_save_option else 0) - 1
         # max_help_lines = 4
@@ -215,7 +226,7 @@ def settings_menu(stdscr: object, interface: object) -> None:
             )
 
         elif key == curses.KEY_RESIZE:
-            need_redraw = True
+            menu_state.need_redraw = True
             curses.update_lines_cols()
 
             menu_win.erase()
@@ -239,7 +250,7 @@ def settings_menu(stdscr: object, interface: object) -> None:
             )
 
         elif key == curses.KEY_RIGHT or key == ord("\n"):
-            need_redraw = True
+            menu_state.need_redraw = True
             menu_state.start_index.append(0)
             menu_win.erase()
             help_win.erase()
@@ -268,7 +279,8 @@ def settings_menu(stdscr: object, interface: object) -> None:
                 break
 
             elif selected_option == "Export Config File":
-                filename = get_text_input("Enter a filename for the config file")
+
+                filename = get_text_input("Enter a filename for the config file", None, None)
                 if not filename:
                     logging.info("Export aborted: No filename provided.")
                     menu_state.start_index.pop()
@@ -290,7 +302,8 @@ def settings_menu(stdscr: object, interface: object) -> None:
                     with open(yaml_file_path, "w", encoding="utf-8") as file:
                         file.write(config_text)
                     logging.info(f"Config file saved to {yaml_file_path}")
-                    dialog(stdscr, "Config File Saved:", yaml_file_path)
+                    dialog("Config File Saved:", yaml_file_path)
+                    menu_state.need_redraw = True
                     menu_state.start_index.pop()
                     continue
                 except PermissionError:
@@ -306,14 +319,16 @@ def settings_menu(stdscr: object, interface: object) -> None:
 
                 # Check if folder exists and is not empty
                 if not os.path.exists(config_folder) or not any(os.listdir(config_folder)):
-                    dialog(stdscr, "", " No config files found. Export a config first.")
+                    dialog("", " No config files found. Export a config first.")
+                    menu_state.need_redraw = True
                     continue  # Return to menu
 
                 file_list = [f for f in os.listdir(config_folder) if os.path.isfile(os.path.join(config_folder, f))]
 
                 # Ensure file_list is not empty before proceeding
                 if not file_list:
-                    dialog(stdscr, "", " No config files found. Export a config first.")
+                    dialog("", " No config files found. Export a config first.")
+                    menu_state.need_redraw = True
                     continue
 
                 filename = get_list_input("Choose a config file", None, file_list)
@@ -327,7 +342,7 @@ def settings_menu(stdscr: object, interface: object) -> None:
 
             elif selected_option == "Config URL":
                 current_value = interface.localNode.getURL()
-                new_value = get_text_input(f"Config URL is currently: {current_value}")
+                new_value = get_text_input(f"Config URL is currently: {current_value}", None, str)
                 if new_value is not None:
                     current_value = new_value
                     overwrite = get_list_input(f"Are you sure you want to load this config?", None, ["Yes", "No"])
@@ -380,7 +395,6 @@ def settings_menu(stdscr: object, interface: object) -> None:
                 menu_state.start_index.pop()
                 menu_state.selected_index = 4
                 continue
-                # need_redraw = True
 
             field_info = menu_state.current_menu.get(selected_option)
             if isinstance(field_info, tuple):
@@ -395,7 +409,9 @@ def settings_menu(stdscr: object, interface: object) -> None:
 
                 if selected_option in ["longName", "shortName", "isLicensed"]:
                     if selected_option in ["longName", "shortName"]:
-                        new_value = get_text_input(f"{human_readable_name} is currently: {current_value}")
+                        new_value = get_text_input(
+                            f"{human_readable_name} is currently: {current_value}", selected_option, None
+                        )
                         new_value = current_value if new_value is None else new_value
                         menu_state.current_menu[selected_option] = (field, new_value)
 
@@ -414,7 +430,9 @@ def settings_menu(stdscr: object, interface: object) -> None:
                     menu_state.start_index.pop()
 
                 elif selected_option in ["latitude", "longitude", "altitude"]:
-                    new_value = get_text_input(f"{human_readable_name} is currently: {current_value}")
+                    new_value = get_text_input(
+                        f"{human_readable_name} is currently: {current_value}", selected_option, float
+                    )
                     new_value = current_value if new_value is None else new_value
                     menu_state.current_menu[selected_option] = (field, new_value)
 
@@ -453,17 +471,26 @@ def settings_menu(stdscr: object, interface: object) -> None:
                     menu_state.start_index.pop()
 
                 elif field.type == 13:  # Field type 13 corresponds to UINT32
-                    new_value = get_text_input(f"{human_readable_name} is currently: {current_value}")
+                    input_type = get_input_type_for_field(field)
+                    new_value = get_text_input(
+                        f"{human_readable_name} is currently: {current_value}", selected_option, input_type
+                    )
                     new_value = current_value if new_value is None else int(new_value)
                     menu_state.start_index.pop()
 
                 elif field.type == 2:  # Field type 13 corresponds to INT64
-                    new_value = get_text_input(f"{human_readable_name} is currently: {current_value}")
+                    input_type = get_input_type_for_field(field)
+                    new_value = get_text_input(
+                        f"{human_readable_name} is currently: {current_value}", selected_option, input_type
+                    )
                     new_value = current_value if new_value is None else float(new_value)
                     menu_state.start_index.pop()
 
                 else:  # Handle other field types
-                    new_value = get_text_input(f"{human_readable_name} is currently: {current_value}")
+                    input_type = get_input_type_for_field(field)
+                    new_value = get_text_input(
+                        f"{human_readable_name} is currently: {current_value}", selected_option, input_type
+                    )
                     new_value = current_value if new_value is None else new_value
                     menu_state.start_index.pop()
 
@@ -486,7 +513,28 @@ def settings_menu(stdscr: object, interface: object) -> None:
                 menu_state.selected_index = 0
 
         elif key == curses.KEY_LEFT:
-            need_redraw = True
+
+            # If we are at the main menu and there are unsaved changes, prompt to save
+            if len(menu_state.menu_path) == 3 and modified_settings:
+
+                current_section = menu_state.menu_path[-1]
+                save_prompt = get_list_input(
+                    f"You have unsaved changes in {current_section}. Save before exiting?",
+                    None,
+                    ["Yes", "No", "Cancel"],
+                    mandatory=True,
+                )
+                if save_prompt == "Cancel":
+                    continue  # Stay in the menu without doing anything
+                elif save_prompt == "Yes":
+                    save_changes(interface, modified_settings, menu_state)
+                    logging.info("Changes Saved")
+
+                modified_settings.clear()
+                menu = rebuild_menu_at_current_path(interface, menu_state)
+                pass
+
+            menu_state.need_redraw = True
 
             menu_win.erase()
             help_win.erase()
@@ -497,8 +545,8 @@ def settings_menu(stdscr: object, interface: object) -> None:
             menu_win.refresh()
             help_win.refresh()
 
-            if len(menu_state.menu_path) < 2:
-                modified_settings.clear()
+            # if len(menu_state.menu_path) < 2:
+            #     modified_settings.clear()
 
             # Navigate back to the previous menu
             if len(menu_state.menu_path) > 1:
@@ -515,6 +563,16 @@ def settings_menu(stdscr: object, interface: object) -> None:
             break
 
 
+def rebuild_menu_at_current_path(interface, menu_state):
+    """Rebuild menus from the device and re-point current_menu to the same path."""
+    new_menu = generate_menu_from_protobuf(interface)
+    cur = new_menu["Main Menu"]
+    for step in menu_state.menu_path[1:]:
+        cur = cur.get(step, {})
+    menu_state.current_menu = cur
+    return new_menu
+
+
 def set_region(interface: object) -> None:
     node = interface.getNode("^local")
     device_config = node.localConfig

contact/ui/default_config.py

@@ -2,15 +2,69 @@ import json
 import logging
 import os
 from typing import Dict
+from contact.ui.colors import setup_colors
 
 # Get the parent directory of the script
 script_dir = os.path.dirname(os.path.abspath(__file__))
 parent_dir = os.path.abspath(os.path.join(script_dir, os.pardir))
 
-# Paths
-json_file_path = os.path.join(parent_dir, "config.json")
-log_file_path = os.path.join(parent_dir, "client.log")
-db_file_path = os.path.join(parent_dir, "client.db")
+# To test writting to a non-writable directory, you can uncomment the following lines:
+# mkdir /tmp/test_nonwritable
+# chmod -w /tmp/test_nonwritable
+# parent_dir = "/tmp/test_nonwritable"
+
+
+def reload_config() -> None:
+    loaded_config = initialize_config()
+    assign_config_variables(loaded_config)
+    setup_colors(reinit=True)
+
+
+def _is_writable_dir(path: str) -> bool:
+    """
+    Return True if we can create & delete a temp file in `path`.
+    """
+    if not os.path.isdir(path):
+        return False
+    test_path = os.path.join(path, ".perm_test_tmp")
+    try:
+        with open(test_path, "w", encoding="utf-8") as _tmp:
+            _tmp.write("ok")
+        os.remove(test_path)
+        return True
+    except OSError:
+        return False
+
+
+def _get_config_root(preferred_dir: str, fallback_name: str = ".contact_client") -> str:
+    """
+    Choose a writable directory for config artifacts.
+    """
+    if _is_writable_dir(preferred_dir):
+        return preferred_dir
+
+    home = os.path.expanduser("~")
+    fallback_dir = os.path.join(home, fallback_name)
+    # Ensure the fallback exists.
+    os.makedirs(fallback_dir, exist_ok=True)
+
+    # If *that* still isn't writable, last-ditch: use a system temp dir.
+    if not _is_writable_dir(fallback_dir):
+        import tempfile
+
+        fallback_dir = tempfile.mkdtemp(prefix="contact_client_")
+
+    return fallback_dir
+
+
+# Pick the root now.
+config_root = _get_config_root(parent_dir)
+
+# Paths (derived from the chosen root)
+json_file_path = os.path.join(config_root, "config.json")
+log_file_path = os.path.join(config_root, "client.log")
+db_file_path = os.path.join(config_root, "client.db")
+node_configs_file_path = os.path.join(config_root, "node-configs/")
 
 
 def format_json_single_line_arrays(data: Dict[str, object], indent: int = 4) -> str:
@@ -123,15 +177,19 @@ def initialize_config() -> Dict[str, object]:
         "settings_breadcrumbs": ["green", "black"],
         "settings_warning": ["green", "black"],
         "settings_note": ["green", "black"],
-        "node_favorite": ["cyan", "white"],
-        "node_ignored": ["red", "white"],
+        "node_favorite": ["cyan", "green"],
+        "node_ignored": ["red", "black"],
     }
     default_config_variables = {
+        "channel_list_16ths": "3",
+        "node_list_16ths": "5",
         "db_file_path": db_file_path,
         "log_file_path": log_file_path,
+        "node_configs_file_path": node_configs_file_path,
         "message_prefix": ">>",
         "sent_message_prefix": ">> Sent",
         "notification_symbol": "*",
+        "notification_sound": "True",
         "ack_implicit_str": "[◌]",
         "ack_str": "[✓]",
         "nak_str": "[x]",
@@ -168,20 +226,26 @@ def initialize_config() -> Dict[str, object]:
 def assign_config_variables(loaded_config: Dict[str, object]) -> None:
     # Assign values to local variables
 
-    global db_file_path, log_file_path, message_prefix, sent_message_prefix
+    global db_file_path, log_file_path, node_configs_file_path, message_prefix, sent_message_prefix
     global notification_symbol, ack_implicit_str, ack_str, nak_str, ack_unknown_str
+    global node_list_16ths, channel_list_16ths
     global theme, COLOR_CONFIG
-    global node_sort
+    global node_sort, notification_sound
 
+    channel_list_16ths = loaded_config["channel_list_16ths"]
+    node_list_16ths = loaded_config["node_list_16ths"]
     db_file_path = loaded_config["db_file_path"]
     log_file_path = loaded_config["log_file_path"]
+    node_configs_file_path = loaded_config.get("node_configs_file_path")
     message_prefix = loaded_config["message_prefix"]
     sent_message_prefix = loaded_config["sent_message_prefix"]
     notification_symbol = loaded_config["notification_symbol"]
+    notification_sound = loaded_config["notification_sound"]
     ack_implicit_str = loaded_config["ack_implicit_str"]
     ack_str = loaded_config["ack_str"]
     nak_str = loaded_config["nak_str"]
     ack_unknown_str = loaded_config["ack_unknown_str"]
+    node_sort = loaded_config["node_sort"]
     theme = loaded_config["theme"]
     if theme == "dark":
         COLOR_CONFIG = loaded_config["COLOR_CONFIG_DARK"]
@@ -189,7 +253,6 @@ def assign_config_variables(loaded_config: Dict[str, object]) -> None:
         COLOR_CONFIG = loaded_config["COLOR_CONFIG_LIGHT"]
     elif theme == "green":
         COLOR_CONFIG = loaded_config["COLOR_CONFIG_GREEN"]
-    node_sort = loaded_config["node_sort"]
 
 
 # Call the function when the script is imported
@@ -205,6 +268,7 @@ if __name__ == "__main__":
     print("\nLoaded Configuration:")
     print(f"Database File Path: {db_file_path}")
     print(f"Log File Path: {log_file_path}")
+    print(f"Configs File Path: {node_configs_file_path}")
     print(f"Message Prefix: {message_prefix}")
     print(f"Sent Message Prefix: {sent_message_prefix}")
     print(f"Notification Symbol: {notification_symbol}")

contact/ui/dialog.py

@@ -1,44 +1,63 @@
 import curses
 from contact.ui.colors import get_color
+from contact.utilities.singleton import menu_state, ui_state
 
 
-def dialog(stdscr: curses.window, title: str, message: str) -> None:
-    height, width = stdscr.getmaxyx()
+def dialog(title: str, message: str) -> None:
+    """Display a dialog with a title and message."""
 
-    # Calculate dialog dimensions
-    max_line_lengh = 0
+    previous_window = ui_state.current_window
+    ui_state.current_window = 4
+
+    curses.update_lines_cols()
+    height, width = curses.LINES, curses.COLS
+
+    # Parse message into lines and calculate dimensions
     message_lines = message.splitlines()
-    for l in message_lines:
-        max_line_length = max(len(l), max_line_lengh)
+    max_line_length = max(len(l) for l in message_lines)
     dialog_width = max(len(title) + 4, max_line_length + 4)
     dialog_height = len(message_lines) + 4
     x = (width - dialog_width) // 2
     y = (height - dialog_height) // 2
 
-    # Create dialog window
+    def draw_window():
+        win.erase()
+        win.bkgd(get_color("background"))
+        win.attrset(get_color("window_frame"))
+        win.border(0)
+
+        win.addstr(0, 2, title, get_color("settings_default"))
+
+        for i, line in enumerate(message_lines):
+            msg_x = (dialog_width - len(line)) // 2
+            win.addstr(2 + i, msg_x, line, get_color("settings_default"))
+
+        ok_text = " Ok "
+        win.addstr(
+            dialog_height - 2,
+            (dialog_width - len(ok_text)) // 2,
+            ok_text,
+            get_color("settings_default", reverse=True),
+        )
+
+        win.refresh()
+
     win = curses.newwin(dialog_height, dialog_width, y, x)
-    win.bkgd(get_color("background"))
-    win.attrset(get_color("window_frame"))
-    win.border(0)
+    draw_window()
 
-    # Add title
-    win.addstr(0, 2, title, get_color("settings_default"))
-
-    # Add message
-    for i, l in enumerate(message_lines):
-        win.addstr(2 + i, 2, l, get_color("settings_default"))
-
-    # Add button
-    win.addstr(dialog_height - 2, (dialog_width - 4) // 2, " Ok ", get_color("settings_default", reverse=True))
-
-    # Refresh dialog window
-    win.refresh()
-
-    # Get user input
     while True:
+        win.timeout(200)
         char = win.getch()
-        # Close dialog with enter, space, or esc
-        if char in (curses.KEY_ENTER, 10, 13, 32, 27):
+
+        if menu_state.need_redraw:
+            menu_state.need_redraw = False
+            draw_window()
+
+        if char in (curses.KEY_ENTER, 10, 13, 32, 27):  # Enter, space, Esc
             win.erase()
             win.refresh()
+            ui_state.current_window = previous_window
             return
+
+        if char == -1:
+            continue

contact/ui/nav_utils.py

@@ -1,8 +1,22 @@
 import curses
 import re
+from unicodedata import east_asian_width
+
 from contact.ui.colors import get_color
 from contact.utilities.control_utils import transform_menu_path
 from typing import Any, Optional, List, Dict
+from contact.utilities.singleton import interface_state, ui_state
+
+
+def get_node_color(node_index: int, reverse: bool = False):
+    node_num = ui_state.node_list[node_index]
+    node = interface_state.interface.nodesByNum.get(node_num, {})
+    if node.get("isFavorite"):
+        return get_color("node_favorite", reverse=reverse)
+    elif node.get("isIgnored"):
+        return get_color("node_ignored", reverse=reverse)
+    return get_color("settings_default", reverse=reverse)
+
 
 # Aliases
 Segment = tuple[str, str, bool, bool]
@@ -128,7 +142,6 @@ def draw_arrows(
     win: object, visible_height: int, max_index: int, start_index: List[int], show_save_option: bool
 ) -> None:
 
-    # vh = visible_height + (1 if show_save_option else 0)
     mi = max_index - (2 if show_save_option else 0)
 
     if visible_height < mi:
@@ -282,9 +295,16 @@ def get_wrapped_help_text(
 
     return wrapped_help
 
+def text_width(text: str) -> int:
+    return sum(2 if east_asian_width(c) in "FW" else 1 for c in text)
 
 def wrap_text(text: str, wrap_width: int) -> List[str]:
     """Wraps text while preserving spaces and breaking long words."""
+
+    whitespace = '\t\n\x0b\x0c\r '
+    whitespace_trans = dict.fromkeys(map(ord, whitespace), ord(' '))
+    text = text.translate(whitespace_trans)
+
     words = re.findall(r"\S+|\s+", text)  # Capture words and spaces separately
     wrapped_lines = []
     line_buffer = ""
@@ -293,11 +313,11 @@ def wrap_text(text: str, wrap_width: int) -> List[str]:
     wrap_width -= margin
 
     for word in words:
-        word_length = len(word)
+        word_length = text_width(word)
 
         if word_length > wrap_width:  # Break long words
             if line_buffer:
-                wrapped_lines.append(line_buffer)
+                wrapped_lines.append(line_buffer.strip())
                 line_buffer = ""
                 line_length = 0
             for i in range(0, word_length, wrap_width):
@@ -305,7 +325,7 @@ def wrap_text(text: str, wrap_width: int) -> List[str]:
             continue
 
         if line_length + word_length > wrap_width and word.strip():
-            wrapped_lines.append(line_buffer)
+            wrapped_lines.append(line_buffer.strip())
             line_buffer = ""
             line_length = 0
 
@@ -313,6 +333,94 @@ def wrap_text(text: str, wrap_width: int) -> List[str]:
         line_length += word_length
 
     if line_buffer:
-        wrapped_lines.append(line_buffer)
+        wrapped_lines.append(line_buffer.strip())
 
     return wrapped_lines
+
+
+def move_main_highlight(
+    old_idx: int, new_idx, options: List[str], menu_win: curses.window, menu_pad: curses.window, ui_state: object
+) -> None:
+
+    if old_idx == new_idx:  # No-op
+        return
+
+    max_index = len(options) - 1
+    visible_height = menu_win.getmaxyx()[0] - 2
+
+    if new_idx < ui_state.start_index[ui_state.current_window]:  # Moving above the visible area
+        ui_state.start_index[ui_state.current_window] = new_idx
+    elif new_idx >= ui_state.start_index[ui_state.current_window] + visible_height:  # Moving below the visible area
+        ui_state.start_index[ui_state.current_window] = new_idx - visible_height + 1
+
+    # Ensure start_index is within bounds
+    ui_state.start_index[ui_state.current_window] = max(
+        0, min(ui_state.start_index[ui_state.current_window], max_index - visible_height + 1)
+    )
+
+    highlight_line(menu_win, menu_pad, old_idx, new_idx, visible_height)
+
+    if ui_state.current_window == 0:  # hack to fix max_index
+        max_index += 1
+
+    draw_main_arrows(menu_win, max_index, window=ui_state.current_window)
+    menu_win.refresh()
+
+
+def highlight_line(
+    menu_win: curses.window, menu_pad: curses.window, old_idx: int, new_idx: int, visible_height: int
+) -> None:
+
+    if ui_state.current_window == 0:
+        color_old = (
+            get_color("channel_selected") if old_idx == ui_state.selected_channel else get_color("channel_list")
+        )
+        color_new = get_color("channel_list", reverse=True) if True else get_color("channel_list", reverse=True)
+        menu_pad.chgat(old_idx, 1, menu_pad.getmaxyx()[1] - 4, color_old)
+        menu_pad.chgat(new_idx, 1, menu_pad.getmaxyx()[1] - 4, color_new)
+
+    elif ui_state.current_window == 2:
+        menu_pad.chgat(old_idx, 1, menu_pad.getmaxyx()[1] - 4, get_node_color(old_idx))
+        menu_pad.chgat(new_idx, 1, menu_pad.getmaxyx()[1] - 4, get_node_color(new_idx, reverse=True))
+
+    menu_win.refresh()
+
+    # Refresh pad only if scrolling is needed
+    menu_pad.refresh(
+        ui_state.start_index[ui_state.current_window],
+        0,
+        menu_win.getbegyx()[0] + 1,
+        menu_win.getbegyx()[1] + 1,
+        menu_win.getbegyx()[0] + visible_height,
+        menu_win.getbegyx()[1] + menu_win.getmaxyx()[1] - 3,
+    )
+
+
+def draw_main_arrows(win: object, max_index: int, window: int, **kwargs) -> None:
+
+    height, width = win.getmaxyx()
+    usable_height = height - 2
+    usable_width = width - 2
+
+    if window == 1 and ui_state.display_log:
+        if log_height := kwargs.get("log_height"):
+            usable_height -= log_height - 1
+
+    if usable_height < max_index:
+        if ui_state.start_index[window] > 0:
+            win.addstr(1, usable_width, "▲", get_color("settings_default"))
+        else:
+            win.addstr(1, usable_width, " ", get_color("settings_default"))
+
+        if max_index - ui_state.start_index[window] - 1 >= usable_height:
+            win.addstr(usable_height, usable_width, "▼", get_color("settings_default"))
+        else:
+            win.addstr(usable_height, usable_width, " ", get_color("settings_default"))
+    else:
+        win.addstr(1, usable_width, " ", get_color("settings_default"))
+        win.addstr(usable_height, usable_width, " ", get_color("settings_default"))
+
+
+def get_msg_window_lines(messages_win, packetlog_win) -> None:
+    packetlog_height = packetlog_win.getmaxyx()[0] - 1 if ui_state.display_log else 0
+    return messages_win.getmaxyx()[0] - 2 - packetlog_height

contact/ui/ui_state.py

@@ -1,11 +1,44 @@
 from typing import Any, Union, List, Dict
+from dataclasses import dataclass, field
 
 
+@dataclass
 class MenuState:
-    def __init__(self):
-        self.menu_index: List[int] = []  # Row we left the previous menus
-        self.start_index: List[int] = [0]  # Row to start the menu if it doesn't all fit
-        self.selected_index: int = 0  # Selected Row
-        self.current_menu: Union[Dict[str, Any], List[Any], str, int] = {}  # Contents of the current menu
-        self.menu_path: List[str] = []  # Menu Path
-        self.show_save_option: bool = False  # Display 'Save'
+    menu_index: List[int] = field(default_factory=list)
+    start_index: List[int] = field(default_factory=lambda: [0])
+    selected_index: int = 0
+    current_menu: Union[Dict[str, Any], List[Any], str, int] = field(default_factory=dict)
+    menu_path: List[str] = field(default_factory=list)
+    show_save_option: bool = False
+    need_redraw: bool = False
+
+
+@dataclass
+class ChatUIState:
+    display_log: bool = False
+    channel_list: List[str] = field(default_factory=list)
+    all_messages: Dict[str, List[str]] = field(default_factory=dict)
+    notifications: List[str] = field(default_factory=list)
+    packet_buffer: List[str] = field(default_factory=list)
+    node_list: List[str] = field(default_factory=list)
+    selected_channel: int = 0
+    selected_message: int = 0
+    selected_node: int = 0
+    current_window: int = 0
+    last_sent_time: float = 0.0
+
+    selected_index: int = 0
+    start_index: List[int] = field(default_factory=lambda: [0, 0, 0])
+    show_save_option: bool = False
+    menu_path: List[str] = field(default_factory=list)
+
+
+@dataclass
+class InterfaceState:
+    interface: Any = None
+    myNodeNum: int = 0
+
+
+@dataclass
+class AppState:
+    lock: Any = None

contact/ui/user_config.py

@@ -4,9 +4,10 @@ import curses
 from typing import Any, List, Dict
 
 from contact.ui.colors import get_color, setup_colors, COLOR_MAP
-from contact.ui.default_config import format_json_single_line_arrays, loaded_config
+import contact.ui.default_config as config
 from contact.ui.nav_utils import move_highlight, draw_arrows
 from contact.utilities.input_handlers import get_list_input
+from contact.utilities.singleton import menu_state
 
 
 width = 80
@@ -53,12 +54,19 @@ def edit_value(key: str, current_value: str) -> str:
     # Handle theme selection dynamically
     if key == "theme":
         # Load theme names dynamically from the JSON
-        theme_options = [k.split("_", 2)[2].lower() for k in loaded_config.keys() if k.startswith("COLOR_CONFIG")]
+        theme_options = [
+            k.split("_", 2)[2].lower() for k in config.loaded_config.keys() if k.startswith("COLOR_CONFIG")
+        ]
         return get_list_input("Select Theme", current_value, theme_options)
+
     elif key == "node_sort":
         sort_options = ["lastHeard", "name", "hops"]
         return get_list_input("Sort By", current_value, sort_options)
 
+    elif key == "notification_sound":
+        sound_options = ["True", "False"]
+        return get_list_input("Notification Sound", current_value, sound_options)
+
     # Standard Input Mode (Scrollable)
     edit_win.addstr(7, 2, "New Value: ", get_color("settings_default"))
     curses.curs_set(1)
@@ -67,41 +75,64 @@ def edit_value(key: str, current_value: str) -> str:
     user_input = ""
     input_position = (7, 13)  # Tuple for row and column
     row, col = input_position  # Unpack tuple
+
     while True:
-        visible_text = user_input[scroll_offset : scroll_offset + input_width]  # Only show what fits
-        edit_win.addstr(row, col, " " * input_width, get_color("settings_default"))  # Clear previous text
-        edit_win.addstr(row, col, visible_text, get_color("settings_default"))  # Display text
+        if menu_state.need_redraw:
+            curses.update_lines_cols()
+            menu_state.need_redraw = False
+
+            # Re-create the window to fully reset state
+            edit_win = curses.newwin(height, width, start_y, start_x)
+            edit_win.timeout(200)
+            edit_win.bkgd(get_color("background"))
+            edit_win.attrset(get_color("window_frame"))
+            edit_win.border()
+
+            # Redraw static content
+            edit_win.addstr(1, 2, f"Editing {key}", get_color("settings_default", bold=True))
+            edit_win.addstr(3, 2, "Current Value:", get_color("settings_default"))
+            for i, line in enumerate(wrapped_lines[:4]):
+                edit_win.addstr(4 + i, 2, line, get_color("settings_default"))
+            edit_win.addstr(7, 2, "New Value: ", get_color("settings_default"))
+
+        visible_text = user_input[scroll_offset : scroll_offset + input_width]
+        edit_win.addstr(row, col, " " * input_width, get_color("settings_default"))
+        edit_win.addstr(row, col, visible_text, get_color("settings_default"))
         edit_win.refresh()
 
-        edit_win.move(row, col + min(len(user_input) - scroll_offset, input_width))  # Adjust cursor position
-        key = edit_win.get_wch()
+        edit_win.move(row, col + min(len(user_input) - scroll_offset, input_width))
 
-        if key in (chr(27), curses.KEY_LEFT):  # ESC or Left Arrow
+        try:
+            key = edit_win.get_wch()
+        except curses.error:
+            continue  # window not ready — skip this loop
+
+        if key in (chr(27), curses.KEY_LEFT):
             curses.curs_set(0)
-            return current_value  # Exit without returning a value
+            return current_value
 
         elif key in (chr(curses.KEY_ENTER), chr(10), chr(13)):
             break
 
-        elif key in (curses.KEY_BACKSPACE, chr(127)):  # Backspace
-            if user_input:  # Only process if there's something to delete
+        elif key in (curses.KEY_BACKSPACE, chr(127)):
+            if user_input:
                 user_input = user_input[:-1]
                 if scroll_offset > 0 and len(user_input) < scroll_offset + input_width:
-                    scroll_offset -= 1  # Move back if text is shorter than scrolled area
+                    scroll_offset -= 1
         else:
             if isinstance(key, str):
                 user_input += key
             else:
                 user_input += chr(key)
 
-            if len(user_input) > input_width:  # Scroll if input exceeds visible area
+            if len(user_input) > input_width:
                 scroll_offset += 1
 
     curses.curs_set(0)
     return user_input if user_input else current_value
 
 
-def display_menu(menu_state: Any) -> tuple[Any, Any, List[str]]:
+def display_menu() -> tuple[Any, Any, List[str]]:
     """
     Render the configuration menu with a Save button directly added to the window.
     """
@@ -184,6 +215,7 @@ def display_menu(menu_state: Any) -> tuple[Any, Any, List[str]]:
 def json_editor(stdscr: curses.window, menu_state: Any) -> None:
 
     menu_state.selected_index = 0  # Track the selected option
+    made_changes = False  # Track if any changes were made
 
     script_dir = os.path.dirname(os.path.abspath(__file__))
     parent_dir = os.path.abspath(os.path.join(script_dir, os.pardir))
@@ -206,16 +238,18 @@ def json_editor(stdscr: curses.window, menu_state: Any) -> None:
     menu_state.current_menu = data  # Track the current level of the menu
 
     # Render the menu
-    menu_win, menu_pad, options = display_menu(menu_state)
-    need_redraw = True
+    menu_win, menu_pad, options = display_menu()
+    menu_state.need_redraw = True
 
     while True:
-        if need_redraw:
-            menu_win, menu_pad, options = display_menu(menu_state)
+        if menu_state.need_redraw:
+            menu_state.need_redraw = False
+            menu_win, menu_pad, options = display_menu()
             menu_win.refresh()
-            need_redraw = False
 
         max_index = len(options) + (1 if menu_state.show_save_option else 0) - 1
+
+        menu_win.timeout(200)
         key = menu_win.getch()
 
         if key == curses.KEY_UP:
@@ -243,7 +277,7 @@ def json_editor(stdscr: curses.window, menu_state: Any) -> None:
 
         elif key in (curses.KEY_RIGHT, 10, 13):  # 10 = \n, 13 = carriage return
 
-            need_redraw = True
+            menu_state.need_redraw = True
             menu_win.erase()
             menu_win.refresh()
 
@@ -264,11 +298,14 @@ def json_editor(stdscr: curses.window, menu_state: Any) -> None:
 
                 if isinstance(selected_data, list) and len(selected_data) == 2:
                     # Edit color pair
+                    old = selected_data
                     new_value = edit_color_pair(selected_key, selected_data)
                     menu_state.menu_path.pop()
                     menu_state.start_index.pop()
                     menu_state.menu_index.pop()
                     menu_state.current_menu[selected_key] = new_value
+                    if new_value != old:
+                        made_changes = True
 
                 elif isinstance(selected_data, (dict, list)):
                     # Navigate into nested data
@@ -277,22 +314,26 @@ def json_editor(stdscr: curses.window, menu_state: Any) -> None:
 
                 else:
                     # General value editing
+                    old = selected_data
                     new_value = edit_value(selected_key, selected_data)
                     menu_state.menu_path.pop()
                     menu_state.menu_index.pop()
                     menu_state.start_index.pop()
                     menu_state.current_menu[selected_key] = new_value
-                    need_redraw = True
+                    menu_state.need_redraw = True
+                    if new_value != old:
+                        made_changes = True
 
             else:
                 # Save button selected
                 save_json(file_path, data)
                 stdscr.refresh()
+                # config.reload()  # This isn't refreshing the file paths as expected
                 continue
 
         elif key in (27, curses.KEY_LEFT):  # Escape or Left Arrow
 
-            need_redraw = True
+            menu_state.need_redraw = True
             menu_win.erase()
             menu_win.refresh()
 
@@ -313,6 +354,19 @@ def json_editor(stdscr: curses.window, menu_state: Any) -> None:
 
             else:
                 # Exit the editor
+                if made_changes:
+                    save_prompt = get_list_input(
+                        "You have unsaved changes. Save before exiting?",
+                        None,
+                        ["Yes", "No", "Cancel"],
+                        mandatory=True,
+                    )
+                    if save_prompt == "Cancel":
+                        continue  # Stay in the menu without doing anything
+                    elif save_prompt == "Yes":
+                        save_json(file_path, data)
+                        made_changes = False
+
                 menu_win.clear()
                 menu_win.refresh()
 
@@ -320,7 +374,7 @@ def json_editor(stdscr: curses.window, menu_state: Any) -> None:
 
 
 def save_json(file_path: str, data: Dict[str, Any]) -> None:
-    formatted_json = format_json_single_line_arrays(data)
+    formatted_json = config.format_json_single_line_arrays(data)
     with open(file_path, "w", encoding="utf-8") as f:
         f.write(formatted_json)
     setup_colors(reinit=True)
@@ -329,7 +383,6 @@ def save_json(file_path: str, data: Dict[str, Any]) -> None:
 def main(stdscr: curses.window) -> None:
     from contact.ui.ui_state import MenuState
 
-    menu_state = MenuState()
     if len(menu_state.menu_path) == 0:
         menu_state.menu_path = ["App Settings"]  # Initialize if not set
 

contact/utilities/config_io.py

@@ -1,5 +1,6 @@
 import yaml
 import logging
+import time
 from typing import List
 from google.protobuf.json_format import MessageToDict
 from meshtastic import mt_config
@@ -133,24 +134,29 @@ def config_import(interface, filename):
             logging.info(f"Setting device owner to {configuration['owner']}")
             waitForAckNak = True
             interface.getNode("^local", False).setOwner(configuration["owner"])
+            time.sleep(0.5)
 
         if "owner_short" in configuration:
             logging.info(f"Setting device owner short to {configuration['owner_short']}")
             waitForAckNak = True
             interface.getNode("^local", False).setOwner(long_name=None, short_name=configuration["owner_short"])
+            time.sleep(0.5)
 
         if "ownerShort" in configuration:
             logging.info(f"Setting device owner short to {configuration['ownerShort']}")
             waitForAckNak = True
             interface.getNode("^local", False).setOwner(long_name=None, short_name=configuration["ownerShort"])
+            time.sleep(0.5)
 
         if "channel_url" in configuration:
             logging.info(f"Setting channel url to {configuration['channel_url']}")
             interface.getNode("^local").setURL(configuration["channel_url"])
+            time.sleep(0.5)
 
         if "channelUrl" in configuration:
             logging.info(f"Setting channel url to {configuration['channelUrl']}")
             interface.getNode("^local").setURL(configuration["channelUrl"])
+            time.sleep(0.5)
 
         if "location" in configuration:
             alt = 0
@@ -169,12 +175,14 @@ def config_import(interface, filename):
                 logging.info(f"Fixing longitude at {lon} degrees")
             logging.info("Setting device position")
             interface.localNode.setFixedPosition(lat, lon, alt)
+            time.sleep(0.5)
 
         if "config" in configuration:
             localConfig = interface.getNode("^local").localConfig
             for section in configuration["config"]:
                 traverseConfig(section, configuration["config"][section], localConfig)
                 interface.getNode("^local").writeConfig(camel_to_snake(section))
+                time.sleep(0.5)
 
         if "module_config" in configuration:
             moduleConfig = interface.getNode("^local").moduleConfig
@@ -185,6 +193,7 @@ def config_import(interface, filename):
                     moduleConfig,
                 )
                 interface.getNode("^local").writeConfig(camel_to_snake(section))
+                time.sleep(0.5)
 
         interface.getNode("^local", False).commitSettingsTransaction()
         logging.info("Writing modified configuration to device")

contact/utilities/db_handler.py

@@ -6,12 +6,14 @@ from typing import Optional, Union, Dict
 
 from contact.utilities.utils import decimal_to_hex
 import contact.ui.default_config as config
-import contact.globals as globals
+
+
+from contact.utilities.singleton import ui_state, interface_state
 
 
 def get_table_name(channel: str) -> str:
     # Construct the table name
-    table_name = f"{str(globals.myNodeNum)}_{channel}_messages"
+    table_name = f"{str(interface_state.myNodeNum)}_{channel}_messages"
     quoted_table_name = f'"{table_name}"'  # Quote the table name becuase we begin with numerics and contain spaces
     return quoted_table_name
 
@@ -61,7 +63,7 @@ def update_ack_nak(channel: str, timestamp: int, message: str, ack: str) -> None
                       message_text = ?
             """
 
-            db_cursor.execute(update_query, (ack, str(globals.myNodeNum), timestamp, message))
+            db_cursor.execute(update_query, (ack, str(interface_state.myNodeNum), timestamp, message))
             db_connection.commit()
 
     except sqlite3.Error as e:
@@ -72,13 +74,13 @@ def update_ack_nak(channel: str, timestamp: int, message: str, ack: str) -> None
 
 
 def load_messages_from_db() -> None:
-    """Load messages from the database for all channels and update globals.all_messages and globals.channel_list."""
+    """Load messages from the database for all channels and update ui_state.all_messages and ui_state.channel_list."""
     try:
         with sqlite3.connect(config.db_file_path) as db_connection:
             db_cursor = db_connection.cursor()
 
             query = "SELECT name FROM sqlite_master WHERE type='table' AND name LIKE ?"
-            db_cursor.execute(query, (f"{str(globals.myNodeNum)}_%_messages",))
+            db_cursor.execute(query, (f"{str(interface_state.myNodeNum)}_%_messages",))
             tables = [row[0] for row in db_cursor.fetchall()]
 
             # Iterate through each table and fetch its messages
@@ -104,17 +106,24 @@ def load_messages_from_db() -> None:
                     # Convert the channel to an integer if it's numeric, otherwise keep it as a string (nodenum vs channel name)
                     channel = int(channel) if channel.isdigit() else channel
 
-                    # Add the channel to globals.channel_list if not already present
-                    if channel not in globals.channel_list and not is_chat_archived(channel):
-                        globals.channel_list.append(channel)
+                    # Add the channel to ui_state.channel_list if not already present
+                    if channel not in ui_state.channel_list and not is_chat_archived(channel):
+                        ui_state.channel_list.append(channel)
 
-                    # Ensure the channel exists in globals.all_messages
-                    if channel not in globals.all_messages:
-                        globals.all_messages[channel] = []
+                    # Ensure the channel exists in ui_state.all_messages
+                    if channel not in ui_state.all_messages:
+                        ui_state.all_messages[channel] = []
 
-                    # Add messages to globals.all_messages grouped by hourly timestamp
+                    # Add messages to ui_state.all_messages grouped by hourly timestamp
                     hourly_messages = {}
-                    for user_id, message, timestamp, ack_type in db_messages:
+                    for row in db_messages:
+                        user_id, message, timestamp, ack_type = row
+
+                        # Only ack_type is allowed to be None
+                        if user_id is None or message is None or timestamp is None:
+                            logging.warning(f"Skipping row with NULL required field(s): {row}")
+                            continue
+
                         hour = datetime.fromtimestamp(timestamp).strftime("%Y-%m-%d %H:00")
                         if hour not in hourly_messages:
                             hourly_messages[hour] = []
@@ -127,20 +136,22 @@ def load_messages_from_db() -> None:
                         elif ack_type == "Nak":
                             ack_str = config.nak_str
 
-                        if user_id == str(globals.myNodeNum):
-                            formatted_message = (f"{config.sent_message_prefix}{ack_str}: ", message)
+                        if user_id == str(interface_state.myNodeNum):
+                            sanitized_message = message.replace("\x00", "")
+                            formatted_message = (f"{config.sent_message_prefix}{ack_str}: ", sanitized_message)
                         else:
+                            sanitized_message = message.replace("\x00", "")
                             formatted_message = (
                                 f"{config.message_prefix} {get_name_from_database(int(user_id), 'short')}: ",
-                                message,
+                                sanitized_message,
                             )
 
                         hourly_messages[hour].append(formatted_message)
 
-                    # Flatten the hourly messages into globals.all_messages[channel]
+                    # Flatten the hourly messages into ui_state.all_messages[channel]
                     for hour, messages in sorted(hourly_messages.items()):
-                        globals.all_messages[channel].append((f"-- {hour} --", ""))
-                        globals.all_messages[channel].extend(messages)
+                        ui_state.all_messages[channel].append((f"-- {hour} --", ""))
+                        ui_state.all_messages[channel].extend(messages)
 
                 except sqlite3.Error as e:
                     logging.error(f"SQLite error while loading messages from table '{table_name}': {e}")
@@ -153,11 +164,11 @@ def init_nodedb() -> None:
     """Initialize the node database and update it with nodes from the interface."""
 
     try:
-        if not globals.interface.nodes:
+        if not interface_state.interface.nodes:
             return  # No nodes to initialize
 
         ensure_node_table_exists()  # Ensure the table exists before insertion
-        nodes_snapshot = list(globals.interface.nodes.values())
+        nodes_snapshot = list(interface_state.interface.nodes.values())
 
         # Insert or update all nodes
         for node in nodes_snapshot:
@@ -214,7 +225,7 @@ def update_node_info_in_db(
 
         with sqlite3.connect(config.db_file_path) as db_connection:
             db_cursor = db_connection.cursor()
-            table_name = f'"{globals.myNodeNum}_nodedb"'  # Quote in case of numeric names
+            table_name = f'"{interface_state.myNodeNum}_nodedb"'  # Quote in case of numeric names
 
             table_columns = [i[1] for i in db_cursor.execute(f"PRAGMA table_info({table_name})")]
             if "chat_archived" not in table_columns:
@@ -278,7 +289,7 @@ def update_node_info_in_db(
 
 def ensure_node_table_exists() -> None:
     """Ensure the node database table exists."""
-    table_name = f'"{globals.myNodeNum}_nodedb"'  # Quote for safety
+    table_name = f'"{interface_state.myNodeNum}_nodedb"'  # Quote for safety
     schema = """
         user_id TEXT PRIMARY KEY,
         long_name TEXT,
@@ -319,7 +330,7 @@ def get_name_from_database(user_id: int, type: str = "long") -> str:
             db_cursor = db_connection.cursor()
 
             # Construct table name
-            table_name = f"{str(globals.myNodeNum)}_nodedb"
+            table_name = f"{str(interface_state.myNodeNum)}_nodedb"
             nodeinfo_table = f'"{table_name}"'  # Quote table name for safety
 
             # Determine the correct column to fetch
@@ -345,7 +356,7 @@ def is_chat_archived(user_id: int) -> int:
     try:
         with sqlite3.connect(config.db_file_path) as db_connection:
             db_cursor = db_connection.cursor()
-            table_name = f"{str(globals.myNodeNum)}_nodedb"
+            table_name = f"{str(interface_state.myNodeNum)}_nodedb"
             nodeinfo_table = f'"{table_name}"'
             query = f"SELECT chat_archived FROM {nodeinfo_table} WHERE user_id = ?"
             db_cursor.execute(query, (user_id,))

contact/utilities/input_handlers.py

@@ -6,10 +6,44 @@ from typing import Any, Optional, List
 
 from contact.ui.colors import get_color
 from contact.ui.nav_utils import move_highlight, draw_arrows, wrap_text
+from contact.ui.dialog import dialog
+from contact.utilities.validation_rules import get_validation_for
+from contact.utilities.singleton import menu_state
 
 
-def get_text_input(prompt: str) -> Optional[str]:
+def invalid_input(window: curses.window, message: str, redraw_func: Optional[callable] = None) -> None:
+    """Displays an invalid input message in the given window and redraws if needed."""
+    cursor_y, cursor_x = window.getyx()
+    curses.curs_set(0)
+    dialog("Invalid Input", message)
+    if redraw_func:
+        redraw_func()  # Redraw the original window content that got obscured
+    else:
+        window.refresh()
+    window.move(cursor_y, cursor_x)
+    curses.curs_set(1)
+
+
+def get_text_input(prompt: str, selected_config: str, input_type: str) -> Optional[str]:
     """Handles user input with wrapped text for long prompts."""
+
+    def redraw_input_win():
+        """Redraw the input window with the current prompt and user input."""
+        input_win.erase()
+        input_win.border()
+        row = 1
+        for line in wrapped_prompt:
+            input_win.addstr(row, margin, line[:input_width], get_color("settings_default", bold=True))
+            row += 1
+            if row >= height - 3:
+                break
+        input_win.addstr(row + 1, margin, prompt_text, get_color("settings_default"))
+        input_win.addstr(row + 1, col_start, user_input[:first_line_width], get_color("settings_default"))
+        for i, line in enumerate(wrap_text(user_input[first_line_width:], wrap_width=input_width)):
+            if row + 2 + i < height - 1:
+                input_win.addstr(row + 2 + i, margin, line[:input_width], get_color("settings_default"))
+        input_win.refresh()
+
     height = 8
     width = 80
     margin = 2  # Left and right margin
@@ -20,6 +54,7 @@ def get_text_input(prompt: str) -> Optional[str]:
     start_x = (curses.COLS - width) // 2
 
     input_win = curses.newwin(height, width, start_y, start_x)
+    input_win.timeout(200)
     input_win.bkgd(get_color("background"))
     input_win.attrset(get_color("window_frame"))
     input_win.border()
@@ -27,6 +62,7 @@ def get_text_input(prompt: str) -> Optional[str]:
     # Wrap the prompt text
     wrapped_prompt = wrap_text(prompt, wrap_width=input_width)
     row = 1
+
     for line in wrapped_prompt:
         input_win.addstr(row, margin, line[:input_width], get_color("settings_default", bold=True))
         row += 1
@@ -39,34 +75,125 @@ def get_text_input(prompt: str) -> Optional[str]:
     input_win.refresh()
     curses.curs_set(1)
 
-    max_length = 4 if "shortName" in prompt else None
-    user_input = ""
+    min_value = 0
+    max_value = 4294967295
+    min_length = 0
+    max_length = None
 
-    # Start user input after the prompt text
+    if selected_config is not None:
+        validation = get_validation_for(selected_config) or {}
+        min_value = validation.get("min_value", 0)
+        max_value = validation.get("max_value", 4294967295)
+        min_length = validation.get("min_length", 0)
+        max_length = validation.get("max_length")
+
+    user_input = ""
     col_start = margin + len(prompt_text)
-    first_line_width = input_width - len(prompt_text)  # Available space for first line
+    first_line_width = input_width - len(prompt_text)
 
     while True:
-        key = input_win.get_wch()  # Waits for user input
+        if menu_state.need_redraw:
+            menu_state.need_redraw = False
+            redraw_input_win()
 
-        if key == chr(27) or key == curses.KEY_LEFT:  # ESC or Left Arrow
+        try:
+            key = input_win.get_wch()
+        except curses.error:
+            continue
+
+        if key == chr(27) or key == curses.KEY_LEFT:
             input_win.erase()
             input_win.refresh()
             curses.curs_set(0)
-            return None  # Exit without saving
+            menu_state.need_redraw = True
+            return None
 
-        elif key in (chr(curses.KEY_ENTER), chr(10), chr(13)):  # Enter key
-            break
+        elif key in (chr(curses.KEY_ENTER), chr(10), chr(13)):
+            menu_state.need_redraw = True
+
+            if not user_input.strip():
+                invalid_input(input_win, "Value cannot be empty.", redraw_func=redraw_input_win)
+                continue
+
+            length = len(user_input)
+            if min_length == max_length and max_length is not None:
+                if length != min_length:
+                    invalid_input(
+                        input_win, f"Value must be exactly {min_length} characters long.", redraw_func=redraw_input_win
+                    )
+                    continue
+            else:
+                if length < min_length:
+                    invalid_input(
+                        input_win,
+                        f"Value must be at least {min_length} characters long.",
+                        redraw_func=redraw_input_win,
+                    )
+                    continue
+                if max_length is not None and length > max_length:
+                    invalid_input(
+                        input_win,
+                        f"Value must be no more than {max_length} characters long.",
+                        redraw_func=redraw_input_win,
+                    )
+                    continue
+
+            if input_type is int:
+                if not user_input.isdigit():
+                    invalid_input(input_win, "Only numeric digits (0–9) allowed.", redraw_func=redraw_input_win)
+                    continue
+
+                int_val = int(user_input)
+                if not (min_value <= int_val <= max_value):
+                    invalid_input(
+                        input_win, f"Enter a number between {min_value} and {max_value}.", redraw_func=redraw_input_win
+                    )
+                    continue
+
+                curses.curs_set(0)
+                return int_val
+
+            elif input_type is float:
+                try:
+                    float_val = float(user_input)
+                    if not (min_value <= float_val <= max_value):
+                        invalid_input(
+                            input_win,
+                            f"Enter a number between {min_value} and {max_value}.",
+                            redraw_func=redraw_input_win,
+                        )
+                        continue
+                except ValueError:
+                    invalid_input(input_win, "Must be a valid floating point number.", redraw_func=redraw_input_win)
+                    continue
+                else:
+                    curses.curs_set(0)
+                    return float_val
+
+            else:
+                break
 
         elif key in (curses.KEY_BACKSPACE, chr(127)):  # Handle Backspace
             if user_input:
                 user_input = user_input[:-1]  # Remove last character
 
-        elif max_length is None or len(user_input) < max_length:  # Enforce max length
-            if isinstance(key, str):
-                user_input += key
-            else:
-                user_input += chr(key)
+        elif max_length is None or len(user_input) < max_length:
+            try:
+                char = chr(key) if not isinstance(key, str) else key
+                if input_type is int:
+                    if char.isdigit() or (char == "-" and len(user_input) == 0):
+                        user_input += char
+                elif input_type is float:
+                    if (
+                        char.isdigit()
+                        or (char == "." and "." not in user_input)
+                        or (char == "-" and len(user_input) == 0)
+                    ):
+                        user_input += char
+                else:
+                    user_input += char
+            except ValueError:
+                pass  # Ignore invalid input
 
         # First line must be manually handled before using wrap_text()
         first_line = user_input[:first_line_width]  # Cut to max first line width
@@ -95,20 +222,24 @@ def get_text_input(prompt: str) -> Optional[str]:
     curses.curs_set(0)
     input_win.erase()
     input_win.refresh()
-    return user_input
+    return user_input.strip()
 
 
 def get_admin_key_input(current_value: List[bytes]) -> Optional[List[str]]:
+    """Handles user input for editing up to 3 Admin Keys in Base64 format."""
+
     def to_base64(byte_strings):
         """Convert byte values to Base64-encoded strings."""
         return [base64.b64encode(b).decode() for b in byte_strings]
 
     def is_valid_base64(s):
-        """Check if a string is valid Base64."""
+        """Check if a string is valid Base64 or blank."""
+        if s == "":
+            return True
         try:
             decoded = base64.b64decode(s, validate=True)
             return len(decoded) == 32  # Ensure it's exactly 32 bytes
-        except binascii.Error:
+        except (binascii.Error, ValueError):
             return False
 
     cvalue = to_base64(current_value)  # Convert current values to Base64
@@ -117,10 +248,11 @@ def get_admin_key_input(current_value: List[bytes]) -> Optional[List[str]]:
     start_y = (curses.LINES - height) // 2
     start_x = (curses.COLS - width) // 2
 
-    repeated_win = curses.newwin(height, width, start_y, start_x)
-    repeated_win.bkgd(get_color("background"))
-    repeated_win.attrset(get_color("window_frame"))
-    repeated_win.keypad(True)  # Enable keypad for special keys
+    admin_key_win = curses.newwin(height, width, start_y, start_x)
+    admin_key_win.timeout(200)
+    admin_key_win.bkgd(get_color("background"))
+    admin_key_win.attrset(get_color("window_frame"))
+    admin_key_win.keypad(True)  # Enable keypad for special keys
 
     curses.echo()
     curses.curs_set(1)
@@ -128,46 +260,48 @@ def get_admin_key_input(current_value: List[bytes]) -> Optional[List[str]]:
     # Editable list of values (max 3 values)
     user_values = cvalue[:3] + [""] * (3 - len(cvalue))  # Ensure always 3 fields
     cursor_pos = 0  # Track which value is being edited
-    error_message = ""
+    invalid_input = ""
 
     while True:
-        repeated_win.erase()
-        repeated_win.border()
-        repeated_win.addstr(1, 2, "Edit up to 3 Admin Keys:", get_color("settings_default", bold=True))
+        admin_key_win.erase()
+        admin_key_win.border()
+        admin_key_win.addstr(1, 2, "Edit up to 3 Admin Keys:", get_color("settings_default", bold=True))
 
         # Display current values, allowing editing
         for i, line in enumerate(user_values):
             prefix = "→ " if i == cursor_pos else "  "  # Highlight the current line
-            repeated_win.addstr(
+            admin_key_win.addstr(
                 3 + i, 2, f"{prefix}Admin Key {i + 1}: ", get_color("settings_default", bold=(i == cursor_pos))
             )
-            repeated_win.addstr(3 + i, 18, line)  # Align text for easier editing
+            admin_key_win.addstr(3 + i, 18, line)  # Align text for easier editing
 
         # Move cursor to the correct position inside the field
         curses.curs_set(1)
-        repeated_win.move(3 + cursor_pos, 18 + len(user_values[cursor_pos]))  # Position cursor at end of text
+        admin_key_win.move(3 + cursor_pos, 18 + len(user_values[cursor_pos]))  # Position cursor at end of text
 
         # Show error message if needed
-        if error_message:
-            repeated_win.addstr(7, 2, error_message, get_color("settings_default", bold=True))
+        if invalid_input:
+            admin_key_win.addstr(7, 2, invalid_input, get_color("settings_default", bold=True))
 
-        repeated_win.refresh()
-        key = repeated_win.getch()
+        admin_key_win.refresh()
+        key = admin_key_win.getch()
 
         if key == 27 or key == curses.KEY_LEFT:  # Escape or Left Arrow -> Cancel and return original
-            repeated_win.erase()
-            repeated_win.refresh()
+            admin_key_win.erase()
+            admin_key_win.refresh()
             curses.noecho()
             curses.curs_set(0)
+            menu_state.need_redraw = True
             return None
 
         elif key == ord("\n"):  # Enter key to save and return
+            menu_state.need_redraw = True
             if all(is_valid_base64(val) for val in user_values):  # Ensure all values are valid Base64 and 32 bytes
                 curses.noecho()
                 curses.curs_set(0)
                 return user_values  # Return the edited Base64 values
             else:
-                error_message = "Error: Each key must be valid Base64 and 32 bytes long!"
+                invalid_input = "Error: Each key must be valid Base64 and 32 bytes long!"
         elif key == curses.KEY_UP:  # Move cursor up
             cursor_pos = (cursor_pos - 1) % len(user_values)
         elif key == curses.KEY_DOWN:  # Move cursor down
@@ -178,11 +312,14 @@ def get_admin_key_input(current_value: List[bytes]) -> Optional[List[str]]:
         else:
             try:
                 user_values[cursor_pos] += chr(key)  # Append valid character input to the selected field
-                error_message = ""  # Clear error if user starts fixing input
+                invalid_input = ""  # Clear error if user starts fixing input
             except ValueError:
                 pass  # Ignore invalid character inputs
 
 
+from contact.utilities.singleton import menu_state  # Required if not already imported
+
+
 def get_repeated_input(current_value: List[str]) -> Optional[str]:
     height = 9
     width = 80
@@ -190,71 +327,82 @@ def get_repeated_input(current_value: List[str]) -> Optional[str]:
     start_x = (curses.COLS - width) // 2
 
     repeated_win = curses.newwin(height, width, start_y, start_x)
+    repeated_win.timeout(200)
     repeated_win.bkgd(get_color("background"))
     repeated_win.attrset(get_color("window_frame"))
-    repeated_win.keypad(True)  # Enable keypad for special keys
+    repeated_win.keypad(True)
 
     curses.echo()
-    curses.curs_set(1)  #  Show the cursor
+    curses.curs_set(1)
 
-    # Editable list of values (max 3 values)
-    user_values = current_value[:3]
-    cursor_pos = 0  # Track which value is being edited
-    error_message = ""
+    user_values = current_value[:3] + [""] * (3 - len(current_value))  # Always 3 fields
+    cursor_pos = 0
+    invalid_input = ""
 
-    while True:
+    def redraw():
         repeated_win.erase()
         repeated_win.border()
         repeated_win.addstr(1, 2, "Edit up to 3 Values:", get_color("settings_default", bold=True))
 
-        # Display current values, allowing editing
         for i, line in enumerate(user_values):
-            prefix = "→ " if i == cursor_pos else "  "  # Highlight the current line
+            prefix = "→ " if i == cursor_pos else "  "
             repeated_win.addstr(
                 3 + i, 2, f"{prefix}Value{i + 1}: ", get_color("settings_default", bold=(i == cursor_pos))
             )
-            repeated_win.addstr(3 + i, 18, line)
+            repeated_win.addstr(3 + i, 18, line[: width - 20])  # Prevent overflow
 
-        # Move cursor to the correct position inside the field
-        curses.curs_set(1)
-        repeated_win.move(3 + cursor_pos, 18 + len(user_values[cursor_pos]))  #  Position cursor at end of text
-
-        # Show error message if needed
-        if error_message:
-            repeated_win.addstr(7, 2, error_message, get_color("settings_default", bold=True))
+        if invalid_input:
+            repeated_win.addstr(7, 2, invalid_input[: width - 4], get_color("settings_default", bold=True))
 
+        repeated_win.move(3 + cursor_pos, 18 + len(user_values[cursor_pos]))
         repeated_win.refresh()
-        key = repeated_win.getch()
 
-        if key == 27 or key == curses.KEY_LEFT:  # Escape or Left Arrow -> Cancel and return original
+    while True:
+        if menu_state.need_redraw:
+            menu_state.need_redraw = False
+            redraw()
+
+        redraw()
+
+        try:
+            key = repeated_win.get_wch()
+        except curses.error:
+            continue  # ignore timeout or input issues
+
+        if key in (27, curses.KEY_LEFT):  # ESC or Left Arrow
             repeated_win.erase()
             repeated_win.refresh()
             curses.noecho()
             curses.curs_set(0)
+            menu_state.need_redraw = True
             return None
-
-        elif key == ord("\n"):  # Enter key to save and return
+        elif key in ("\n", curses.KEY_ENTER):
             curses.noecho()
             curses.curs_set(0)
-            return ", ".join(user_values)
-        elif key == curses.KEY_UP:  # Move cursor up
-            cursor_pos = (cursor_pos - 1) % len(user_values)
-        elif key == curses.KEY_DOWN:  # Move cursor down
-            cursor_pos = (cursor_pos + 1) % len(user_values)
-        elif key == curses.KEY_BACKSPACE or key == 127:  # Backspace key
-            if len(user_values[cursor_pos]) > 0:
-                user_values[cursor_pos] = user_values[cursor_pos][:-1]  # Remove last character
+            menu_state.need_redraw = True
+            return ", ".join(user_values).strip()
+        elif key == curses.KEY_UP:
+            cursor_pos = (cursor_pos - 1) % 3
+        elif key == curses.KEY_DOWN:
+            cursor_pos = (cursor_pos + 1) % 3
+        elif key in (curses.KEY_BACKSPACE, 127):
+            user_values[cursor_pos] = user_values[cursor_pos][:-1]
         else:
             try:
-                user_values[cursor_pos] += chr(key)  # Append valid character input to the selected field
-                error_message = ""  # Clear error if user starts fixing input
-            except ValueError:
-                pass  # Ignore invalid character inputs
+                ch = chr(key) if isinstance(key, int) else key
+                if ch.isprintable():
+                    user_values[cursor_pos] += ch
+                    invalid_input = ""
+            except Exception:
+                pass
+
+
+from contact.utilities.singleton import menu_state  # Ensure this is imported
 
 
 def get_fixed32_input(current_value: int) -> int:
-    cvalue = current_value
-    current_value = str(ipaddress.IPv4Address(current_value))
+    original_value = current_value
+    ip_string = str(ipaddress.IPv4Address(current_value))
     height = 10
     width = 80
     start_y = (curses.LINES - height) // 2
@@ -264,54 +412,73 @@ def get_fixed32_input(current_value: int) -> int:
     fixed32_win.bkgd(get_color("background"))
     fixed32_win.attrset(get_color("window_frame"))
     fixed32_win.keypad(True)
+    fixed32_win.timeout(200)
 
     curses.echo()
     curses.curs_set(1)
     user_input = ""
 
-    while True:
+    def redraw():
         fixed32_win.erase()
         fixed32_win.border()
-        fixed32_win.addstr(1, 2, "Enter an IP address (xxx.xxx.xxx.xxx):", curses.A_BOLD)
-        fixed32_win.addstr(3, 2, f"Current: {current_value}")
-        fixed32_win.addstr(5, 2, f"New value: {user_input}")
+        fixed32_win.addstr(1, 2, "Enter an IP address (xxx.xxx.xxx.xxx):", get_color("settings_default", bold=True))
+        fixed32_win.addstr(3, 2, f"Current: {ip_string}", get_color("settings_default"))
+        fixed32_win.addstr(5, 2, f"New value: {user_input}", get_color("settings_default"))
         fixed32_win.refresh()
 
-        key = fixed32_win.getch()
+    while True:
+        if menu_state.need_redraw:
+            menu_state.need_redraw = False
+            redraw()
 
-        if key == 27 or key == curses.KEY_LEFT:  # Escape or Left Arrow to cancel
+        redraw()
+
+        try:
+            key = fixed32_win.get_wch()
+        except curses.error:
+            continue  # ignore timeout
+
+        if key in (27, curses.KEY_LEFT):  # ESC or Left Arrow to cancel
             fixed32_win.erase()
             fixed32_win.refresh()
             curses.noecho()
             curses.curs_set(0)
-            return cvalue  # Return the current value unchanged
-        elif key == ord("\n"):  # Enter key to validate and save
-            # Validate IP address
+            menu_state.need_redraw = True
+            return original_value
+
+        elif key in ("\n", curses.KEY_ENTER):
             octets = user_input.split(".")
+            menu_state.need_redraw = True
             if len(octets) == 4 and all(octet.isdigit() and 0 <= int(octet) <= 255 for octet in octets):
                 curses.noecho()
                 curses.curs_set(0)
-                fixed32_address = ipaddress.ip_address(user_input)
-                return int(fixed32_address)  # Return the valid IP address
+                return int(ipaddress.ip_address(user_input))
             else:
-                fixed32_win.addstr(7, 2, "Invalid IP address. Try again.", curses.A_BOLD | curses.color_pair(5))
+                fixed32_win.addstr(7, 2, "Invalid IP address. Try again.", get_color("settings_default", bold=True))
                 fixed32_win.refresh()
-                curses.napms(1500)  # Wait for 1.5 seconds before refreshing
-                user_input = ""  # Clear invalid input
-        elif key == curses.KEY_BACKSPACE or key == 127:  # Backspace key
+                curses.napms(1500)
+                user_input = ""
+
+        elif key in (curses.KEY_BACKSPACE, 127):
             user_input = user_input[:-1]
+
         else:
             try:
-                char = chr(key)
-                if char.isdigit() or char == ".":
-                    user_input += char  # Append only valid characters (digits or dots)
-            except ValueError:
-                pass  # Ignore invalid inputs
+                ch = chr(key) if isinstance(key, int) else key
+                if ch.isdigit() or ch == ".":
+                    user_input += ch
+            except Exception:
+                pass  # Ignore unprintable inputs
 
 
-def get_list_input(prompt: str, current_option: Optional[str], list_options: List[str]) -> Optional[str]:
+from typing import List, Optional  # ensure Optional is imported
+
+
+def get_list_input(
+    prompt: str, current_option: Optional[str], list_options: List[str], mandatory: bool = False
+) -> Optional[str]:
     """
-    Displays a scrollable list of list_options for the user to choose from.
+    List selector.
     """
     selected_index = list_options.index(current_option) if current_option in list_options else 0
 
@@ -321,6 +488,7 @@ def get_list_input(prompt: str, current_option: Optional[str], list_options: Lis
     start_x = (curses.COLS - width) // 2
 
     list_win = curses.newwin(height, width, start_y, start_x)
+    list_win.timeout(200)
     list_win.bkgd(get_color("background"))
     list_win.attrset(get_color("window_frame"))
     list_win.keypad(True)
@@ -328,50 +496,62 @@ def get_list_input(prompt: str, current_option: Optional[str], list_options: Lis
     list_pad = curses.newpad(len(list_options) + 1, width - 8)
     list_pad.bkgd(get_color("background"))
 
-    # Render header
-    list_win.erase()
-    list_win.border()
-    list_win.addstr(1, 2, prompt, get_color("settings_default", bold=True))
-
-    # Render options on the pad
-    for idx, color in enumerate(list_options):
-        if idx == selected_index:
-            list_pad.addstr(idx, 0, color.ljust(width - 8), get_color("settings_default", reverse=True))
-        else:
-            list_pad.addstr(idx, 0, color.ljust(width - 8), get_color("settings_default"))
-
-    # Initial refresh
-    list_win.refresh()
-    list_pad.refresh(
-        0,
-        0,
-        list_win.getbegyx()[0] + 3,
-        list_win.getbegyx()[1] + 4,
-        list_win.getbegyx()[0] + list_win.getmaxyx()[0] - 2,
-        list_win.getbegyx()[1] + list_win.getmaxyx()[1] - 4,
-    )
-
     max_index = len(list_options) - 1
     visible_height = list_win.getmaxyx()[0] - 5
 
-    draw_arrows(list_win, visible_height, max_index, [0], show_save_option=False)  # Initial call to draw arrows
+    def redraw_list_ui():
+        list_win.erase()
+        list_win.border()
+        list_win.addstr(1, 2, prompt, get_color("settings_default", bold=True))
+
+        for idx, item in enumerate(list_options):
+            color = get_color("settings_default", reverse=(idx == selected_index))
+            list_pad.addstr(idx, 0, item.ljust(width - 8), color)
+
+        list_win.refresh()
+        list_pad.refresh(
+            0,
+            0,
+            list_win.getbegyx()[0] + 3,
+            list_win.getbegyx()[1] + 4,
+            list_win.getbegyx()[0] + list_win.getmaxyx()[0] - 2,
+            list_win.getbegyx()[1] + list_win.getmaxyx()[1] - 4,
+        )
+        draw_arrows(list_win, visible_height, max_index, [0], show_save_option=False)
+
+    # Initial draw
+    redraw_list_ui()
 
     while True:
-        key = list_win.getch()
+        if menu_state.need_redraw:
+            menu_state.need_redraw = False
+            redraw_list_ui()
+
+        try:
+            key = list_win.getch()
+        except curses.error:
+            continue
 
         if key == curses.KEY_UP:
             old_selected_index = selected_index
             selected_index = max(0, selected_index - 1)
             move_highlight(old_selected_index, list_options, list_win, list_pad, selected_index=selected_index)
+
         elif key == curses.KEY_DOWN:
             old_selected_index = selected_index
             selected_index = min(len(list_options) - 1, selected_index + 1)
             move_highlight(old_selected_index, list_options, list_win, list_pad, selected_index=selected_index)
-        elif key == ord("\n"):  # Enter key
+
+        elif key == ord("\n"):  # Enter
             list_win.clear()
             list_win.refresh()
+            menu_state.need_redraw = True
             return list_options[selected_index]
-        elif key == 27 or key == curses.KEY_LEFT:  # ESC or Left Arrow
+
+        elif key == 27 or key == curses.KEY_LEFT:  # ESC or Left
+            if mandatory:
+                continue
             list_win.clear()
             list_win.refresh()
+            menu_state.need_redraw = True
             return current_option

contact/utilities/singleton.py

@@ -0,0 +1,6 @@
+from contact.ui.ui_state import ChatUIState, InterfaceState, AppState, MenuState
+
+ui_state = ChatUIState()
+interface_state = InterfaceState()
+app_state = AppState()
+menu_state = MenuState()

contact/utilities/utils.py

@@ -1,16 +1,18 @@
-import contact.globals as globals
 import datetime
+import time
 from meshtastic.protobuf import config_pb2
 import contact.ui.default_config as config
 
+from contact.utilities.singleton import ui_state, interface_state
+
 
 def get_channels():
-    """Retrieve channels from the node and update globals.channel_list and globals.all_messages."""
-    node = globals.interface.getNode("^local")
+    """Retrieve channels from the node and update ui_state.channel_list and ui_state.all_messages."""
+    node = interface_state.interface.getNode("^local")
     device_channels = node.channels
 
     # Clear and rebuild channel list
-    # globals.channel_list = []
+    # ui_state.channel_list = []
 
     for device_channel in device_channels:
         if device_channel.role:
@@ -26,20 +28,20 @@ def get_channels():
                 ].name
                 channel_name = convert_to_camel_case(modem_preset_string)
 
-            # Add channel to globals.channel_list if not already present
-            if channel_name not in globals.channel_list:
-                globals.channel_list.append(channel_name)
+            # Add channel to ui_state.channel_list if not already present
+            if channel_name not in ui_state.channel_list:
+                ui_state.channel_list.append(channel_name)
 
-            # Initialize globals.all_messages[channel_name] if it doesn't exist
-            if channel_name not in globals.all_messages:
-                globals.all_messages[channel_name] = []
+            # Initialize ui_state.all_messages[channel_name] if it doesn't exist
+            if channel_name not in ui_state.all_messages:
+                ui_state.all_messages[channel_name] = []
 
-    return globals.channel_list
+    return ui_state.channel_list
 
 
 def get_node_list():
-    if globals.interface.nodes:
-        my_node_num = globals.myNodeNum
+    if interface_state.interface.nodes:
+        my_node_num = interface_state.myNodeNum
 
         def node_sort(node):
             if config.node_sort == "lastHeard":
@@ -51,7 +53,7 @@ def get_node_list():
             else:
                 return node
 
-        sorted_nodes = sorted(globals.interface.nodes.values(), key=node_sort)
+        sorted_nodes = sorted(interface_state.interface.nodes.values(), key=node_sort)
 
         # Move favorite nodes to the beginning
         sorted_nodes = sorted(
@@ -68,14 +70,14 @@ def get_node_list():
 
 def refresh_node_list():
     new_node_list = get_node_list()
-    if new_node_list != globals.node_list:
-        globals.node_list = new_node_list
+    if new_node_list != ui_state.node_list:
+        ui_state.node_list = new_node_list
         return True
     return False
 
 
 def get_nodeNum():
-    myinfo = globals.interface.getMyNodeInfo()
+    myinfo = interface_state.interface.getMyNodeInfo()
     myNodeNum = myinfo["num"]
     return myNodeNum
 
@@ -133,3 +135,31 @@ def get_time_ago(timestamp):
     if unit != "s":
         return f"{value} {unit} ago"
     return "now"
+
+def add_new_message(channel_id, prefix, message):
+    if channel_id not in ui_state.all_messages:
+        ui_state.all_messages[channel_id] = []
+
+    # Timestamp handling
+    current_timestamp = time.time()
+    current_hour = datetime.datetime.fromtimestamp(current_timestamp).strftime("%Y-%m-%d %H:00")
+
+    # Retrieve the last timestamp if available
+    channel_messages = ui_state.all_messages[channel_id]
+    if channel_messages:
+        # Check the last entry for a timestamp
+        for entry in reversed(channel_messages):
+            if entry[0].startswith("--"):
+                last_hour = entry[0].strip("- ").strip()
+                break
+        else:
+            last_hour = None
+    else:
+        last_hour = None
+
+    # Add a new timestamp if it's a new hour
+    if last_hour != current_hour:
+        ui_state.all_messages[channel_id].append((f"-- {current_hour} --", ""))
+
+    # Add the message
+    ui_state.all_messages[channel_id].append((prefix,message))

contact/utilities/validation_rules.py

@@ -0,0 +1,23 @@
+validation_rules = {
+    "shortName": {"max_length": 4},
+    "longName": {"max_length": 32},
+    "fixed_pin": {"min_length": 6, "max_length": 6},
+    "position_flags": {"max_length": 3},
+    "enabled_protocols": {"max_value": 2},
+    "hop_limit": {"max_value": 7},
+    "latitude": {"min_value": -90, "max_value": 90},
+    "longitude": {"min_value": -180, "max_value": 180},
+    "altitude": {"min_value": -4294967295, "max_value": 4294967295},
+    "red": {"max_value": 255},
+    "green": {"max_value": 255},
+    "blue": {"max_value": 255},
+    "current": {"max_value": 255},
+    "position_precision": {"max_value": 32},
+}
+
+
+def get_validation_for(key: str) -> dict:
+    for rule_key, config in validation_rules.items():
+        if rule_key in key:
+            return config
+    return {}

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "contact"
-version = "1.3.8"
+version = "1.3.16"
 description = "This Python curses client for Meshtastic is a terminal-based client designed to manage device settings, enable mesh chat communication, and handle configuration backups and restores."
 authors = [
     {name = "Ben Lipsey",email = "ben@pdxlocations.com"}