Lay out new client structure

cheuph/euphoria/single_room_application.py

@@ -1,120 +0,0 @@
-from typing import Any, Optional
-
-import urwid
-
-from ..config import Config
-from .room_widget import RoomWidget
-
-__all__ = ["SingleRoomApplication"]
-
-class ChooseRoomWidget(urwid.WidgetWrap):
-    def __init__(self, config: Config) -> None:
-        self.c = config
-
-        self.error = None
-        self.text = urwid.Text("Choose a room:", align=urwid.CENTER)
-        self.edit = urwid.Edit("&", align=urwid.CENTER)
-        self.pile = urwid.Pile([
-            self.text,
-            urwid.AttrMap(self.edit, self.c.v.element.room),
-        ])
-        self.filler = urwid.Filler(self.pile)
-        super().__init__(self.filler)
-
-    def render(self, size: Any, focus: Any) -> Any:
-        if self.error:
-            width, _ = size
-            rows = self.error.rows((width,), focus)
-            self.filler.bottom = rows
-
-        return super().render(size, focus)
-
-    def set_error(self, text: Any) -> None:
-        self.error = urwid.Text(text, align=urwid.CENTER)
-        self.pile = urwid.Pile([
-            self.error,
-            self.text,
-            urwid.AttrMap(self.edit, self.c.v.element.room),
-        ])
-        self.filler = urwid.Filler(self.pile)
-        self._w = self.filler
-
-    def unset_error(self) -> None:
-        self.error = None
-        self.pile = urwid.Pile([
-            self.text,
-            urwid.AttrMap(self.edit, self.c.v.element.room),
-        ])
-        self.filler = urwid.Filler(self.pile)
-        self._w = self.filler
-
-    def could_not_connect(self, roomname: str) -> None:
-        text = [
-                "Could not connect to ",
-                (self.c.v.element.room, "&" + roomname),
-                ".\n",
-        ]
-        self.set_error(text)
-
-    def invalid_room_name(self, reason: str) -> None:
-        text = [f"Invalid room name: {reason}\n"]
-        self.set_error(text)
-
-class SingleRoomApplication(urwid.WidgetWrap):
-    # The characters in the ALPHABET make up the characters that are allowed in
-    # room names.
-    ALPHABET = "abcdefghijklmnopqrstuvwxyz0123456789"
-
-    # These are other characters or character combinations necessary for the
-    # editor to function well.
-    ALLOWED_EDITOR_KEYS = {
-            "backspace", "delete",
-            "left", "right",
-            "home", "end",
-    }
-
-    def __init__(self, config: Config) -> None:
-        self.c = config
-
-        self.choose_room = ChooseRoomWidget(self.c)
-        super().__init__(self.choose_room)
-
-    def selectable(self) -> bool:
-        return True
-
-    def switch_to_choose(self) -> None:
-        self.choose_room.could_not_connect(self.choose_room.edit.edit_text)
-        self._w = self.choose_room
-
-    def keypress(self, size: Any, key: str) -> Optional[str]:
-        if self._w == self.choose_room:
-            if key == "esc":
-                raise urwid.ExitMainLoop()
-
-            self.choose_room.unset_error()
-
-            if key == "enter":
-                roomname = self.choose_room.edit.edit_text
-
-                if roomname:
-                    room = RoomWidget(self.c, roomname)
-                    urwid.connect_signal(room, "close", self.switch_to_choose)
-                    room.connect()
-                    self._w = room
-                else:
-                    self.choose_room.invalid_room_name("too short")
-
-            elif not super().selectable():
-                return key
-            # Make sure we only enter valid room names
-            elif key.lower() in self.ALPHABET:
-                return super().keypress(size, key.lower())
-            elif key in self.ALLOWED_EDITOR_KEYS:
-                return super().keypress(size, key)
-
-            return None
-
-        elif super().selectable():
-            return super().keypress(size, key)
-
-        return key