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88 lines
3.0 KiB
88 lines
3.0 KiB
from __future__ import annotations |
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import typing |
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from dataclasses import dataclass |
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import pygame |
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from config import HEIGHT, WIDTH, CHAT_SELECTOR_WIDTH, DARKER_BLUE, CHAT_PREVIEW_HEIGHT, BLUE, WHITE, font, DARK_BLUE, \ |
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MESSAGE_HEIGHT |
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import degeon_core as dc |
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from message import Message |
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@dataclass |
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class ActiveChat: |
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""" |
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The widget with the current chat |
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Attributes: |
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:param chat (dc.Chat): the chat (Rust Chat type) |
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:param height (int): the height of the active chat widget |
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:param width (int): its width |
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:param delta_x (int): distance from the left edge of the application to the left edge of the screen |
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:param header_height (int): height of the header (the title) |
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""" |
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chat: dc.Chat |
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height: int = HEIGHT |
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width: int = WIDTH - CHAT_SELECTOR_WIDTH - 10 |
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delta_x: int = CHAT_SELECTOR_WIDTH + 10 |
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header_height: int = int(CHAT_PREVIEW_HEIGHT * 1.5) |
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@classmethod |
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def new(cls, chat: dc.Chat, **kwargs) -> ActiveChat: |
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""" |
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Create a new `Chat` from a rust Chat object |
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:param chat: rusty chat |
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:param kwargs: optional other paraeters |
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:return: the `Chat` |
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""" |
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return cls(chat=chat, **kwargs) |
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def get_messages(self) -> typing.Iterable[Message]: |
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""" |
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Get an iterator over all messages in this chat in the backwards order |
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This function creates a python `message.Message` object from rust instances |
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:return: an iterator of `message.Message` objects |
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""" |
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for msg in reversed(self.chat.messages): |
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yield Message(text=msg.get_content_py().text, is_from_me=False) |
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def get_header(self) -> pygame.Surface: |
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""" |
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Render a pygame surface with the header. |
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The header is (for now) just a name of the user written on a background |
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:return: the header |
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""" |
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surface: pygame.Surface = pygame.Surface((self.width, self.header_height)) |
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surface.fill(DARK_BLUE) |
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name_surface: pygame.Surface = font.render(self.chat.profile.name, True, WHITE) |
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surface.blit(name_surface, (20, 20)) |
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return surface |
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def render(self) -> pygame.Surface: |
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""" |
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Creates a pygame surface and draws the chat on it |
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:return: the surface with the chat on it |
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""" |
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surface: pygame.Surface = pygame.Surface((self.width, self.height)) |
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surface.fill(DARKER_BLUE) |
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# Render messages |
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# This is the y0 for the last message |
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last_message_y = self.height - 60 |
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for i, message in zip(range(30), self.get_messages()): |
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msg_surface = message.render() |
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surface.blit(msg_surface, (0, last_message_y - (MESSAGE_HEIGHT + 30) * (i + 1))) |
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# Render header |
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header = self.get_header() |
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surface.blit(header, (0, 10)) |
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return surface |
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def process_event(self, event: pygame.event.Event): |
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""" |
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Process a click: select the necessary chat if this click is in the widget |
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:param event: a pygame event |
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""" |
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pass # todo
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