fill3: Always put ctrl-c and ctrl-z in raw mode.

- Rename interactive context to raw.
- Explicitly handle ctrl-c.
- Ctrl-z for backgrounding is always disabled.

fill3/fill3/__init__.py

@@ -455,7 +455,7 @@ def signal_handler(loop, signal_, func):
         loop.remove_signal_handler(signal_)
 
 
-async def tui(title, screen_widget, raw_ctrl_c_and_z=True):
+async def tui(title, screen_widget):
     global APPEARANCE_CHANGED_EVENT
     global SHUTDOWN_EVENT
     APPEARANCE_CHANGED_EVENT = asyncio.Event()
@@ -464,8 +464,7 @@ async def tui(title, screen_widget, raw_ctrl_c_and_z=True):
     with (signal_handler(loop, signal.SIGWINCH, lambda: draw_screen(screen_widget)),
           signal_handler(loop, signal.SIGINT, SHUTDOWN_EVENT.set),
           signal_handler(loop, signal.SIGTERM, SHUTDOWN_EVENT.set), terminal.title(title),
-          terminal.alternate_buffer(), terminal.interactive(raw_ctrl_c_and_z=raw_ctrl_c_and_z),
-          terminal.mouse_tracking()):
+          terminal.alternate_buffer(), terminal.raw(), terminal.mouse_tracking()):
         update_task = asyncio.create_task(update_screen(screen_widget))
         try:
             loop.add_reader(sys.stdin, on_terminal_input, screen_widget)

fill3/fill3/terminal.py

@@ -67,13 +67,11 @@ def alternate_buffer():
 
 
 @contextlib.contextmanager
-def interactive(raw_ctrl_c_and_z=True):
+def raw():
     old_termios_settings = termios.tcgetattr(sys.stdin)
     new_settings = termios.tcgetattr(sys.stdin)
     new_settings[0] = new_settings[0] & ~termios.IXON
-    new_settings[3] = new_settings[3] & ~termios.ECHO & ~termios.ICANON
-    if raw_ctrl_c_and_z:
-        new_settings[3] = new_settings[3] & ~termios.ISIG
+    new_settings[3] = new_settings[3] & ~termios.ECHO & ~termios.ICANON & ~termios.ISIG
     new_settings[6][termios.VMIN] = 0
     termios.tcsetattr(sys.stdin, termios.TCSADRAIN, new_settings)
     sys.stdout.write(ESC + "[?1l")  # Ensure normal cursor key codes