initial commit

curses-client.py

@@ -0,0 +1,117 @@
+import curses
+import meshtastic.serial_interface
+from pubsub import pub
+
+# Initialize Meshtastic interface
+interface = meshtastic.serial_interface.SerialInterface()
+
+messages_win = None  # Define messages_win as a global variable
+nodes_win = None     # Define nodes_win as a global variable
+message_row = 1  # Initialize message row counter
+
+
+node_list = []
+if interface.nodes:
+    for node in interface.nodes.values():
+        node_list.append(node["user"]["longName"])
+
+
+def on_receive(packet, interface):
+    global message_row  # Access the global message_row variable
+    try:
+        if 'decoded' in packet and packet['decoded']['portnum'] == 'TEXT_MESSAGE_APP':
+            message_bytes = packet['decoded']['payload']
+            message_string = message_bytes.decode('utf-8')
+            # Add received message to the messages window
+            messages_win.addstr(message_row, 1, ">> Received: ", curses.color_pair(1))  # Start prefix at second column
+            messages_win.addstr(message_row, 14, message_string + '\n')  # Start message content after prefix
+            messages_win.box()
+            messages_win.refresh()
+            message_row += 1  # Increment message row
+    except KeyError as e:
+        print(f"Error processing packet: {e}")
+
+pub.subscribe(on_receive, 'meshtastic.receive')
+
+def send_message(message):
+    global message_row  # Access the global message_row variable
+    interface.sendText(message)
+    # Add sent message to the messages window
+    messages_win.addstr(message_row, 1, ">> Sent: ", curses.color_pair(2))  # Start prefix at second column
+    messages_win.addstr(message_row, 10, message + '\n')  # Start message content after prefix
+
+    messages_win.box()
+    messages_win.refresh()
+    message_row += 1  # Increment message row
+
+def draw_text_field(win, text):
+    win.clear()
+    win.border()
+    win.addstr(1, 1, text)
+
+def main(stdscr):
+    global messages_win, nodes_win  # Access the global variables
+
+    # Initialize colors
+    curses.start_color()
+    curses.init_pair(1, curses.COLOR_CYAN, curses.COLOR_BLACK)  # Define color pair 1 (cyan text on black background)
+    curses.init_pair(2, curses.COLOR_YELLOW, curses.COLOR_BLACK)  # Define color pair 2 (yellow text on black background)
+
+    # Turn off cursor blinking
+    curses.curs_set(1)
+
+    # Calculate window dimensions
+    height, width = stdscr.getmaxyx()
+
+    # Define window dimensions and positions
+    entry_win = curses.newwin(3, width, 0, 0)
+    messages_win = curses.newwin(height - 6, 2*(width // 3), 3, 0)
+    nodes_win = curses.newwin(height - 6, width // 3, 3, 2*(width // 3))  # Adjusted position and width
+
+    # Enable scrolling for messages and nodes windows
+    messages_win.scrollok(True)
+    nodes_win.scrollok(True)
+
+    # Draw boxes around windows
+    entry_win.box()
+    messages_win.box()
+    nodes_win.box()
+
+    # Display initial content in nodes window
+    for i, node in enumerate(node_list, start=1):
+        if i < height - 6 - 1:  # Check if there is enough space in the window
+            nodes_win.addstr(i, 1, node)
+
+    # Refresh all windows
+    stdscr.refresh()
+    entry_win.refresh()
+    messages_win.refresh()
+    nodes_win.refresh()
+
+    input_text = ""
+    while True:
+        # Draw text field
+        draw_text_field(entry_win, f"Input: {input_text}")
+
+        # Get user input from entry window
+        entry_win.move(1, len(input_text) + 8)
+        char = entry_win.getch()
+
+        if char == curses.KEY_ENTER or char == 10 or char == 13:
+            # Enter key pressed, send user input as message
+            send_message(input_text)
+
+            # Clear entry window and reset input text
+            input_text = ""
+            entry_win.clear()
+            entry_win.refresh()
+        elif char == curses.KEY_BACKSPACE or char == 127:
+            # Backspace key pressed, remove last character from input text
+            input_text = input_text[:-1]
+        else:
+            # Append typed character to input text
+            input_text += chr(char)
+
+
+if __name__ == "__main__":
+    curses.wrapper(main)