From 67b8c7cfe5218159c1de35031946bf8266826065 Mon Sep 17 00:00:00 2001
From: ennucore <ennucore@gmail.com>
Date: Sat, 11 Dec 2021 19:13:09 +0300
Subject: [PATCH] Rendering active chat in interface (header)

---
 degeon_py/active_chat.py | 34 +++++++++++++++++++++++++++++++---
 degeon_py/config.py      |  1 +
 degeon_py/degeon.py      |  3 ++-
 3 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/degeon_py/active_chat.py b/degeon_py/active_chat.py
index f00466f..30874f4 100644
--- a/degeon_py/active_chat.py
+++ b/degeon_py/active_chat.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 from dataclasses import dataclass
 import pygame
 
-from config import HEIGHT, WIDTH, CHAT_SELECTOR_WIDTH
+from config import HEIGHT, WIDTH, CHAT_SELECTOR_WIDTH, DARKER_BLUE, CHAT_PREVIEW_HEIGHT, BLUE, WHITE, font, DARK_BLUE
 import degeon_core as dc
 
 
@@ -14,22 +14,50 @@ class ActiveChat:
 
     Attributes:
         :param chat (dc.Chat): the chat (Rust Chat type)
+        :param height (int): the height of the active chat widget
+        :param width (int): its width
+        :param delta_x (int): distance from the left edge of the application to the left edge of the screen
+        :param header_height (int): height of the header (the title)
     """
     chat: dc.Chat
     height: int = HEIGHT
-    width: int = WIDTH - CHAT_SELECTOR_WIDTH
+    width: int = WIDTH - CHAT_SELECTOR_WIDTH - 10
+    delta_x: int = CHAT_SELECTOR_WIDTH + 10
+    header_height: int = int(CHAT_PREVIEW_HEIGHT * 1.5)
 
     @classmethod
-    def new(cls, chat: 'dc.Chat', **kwargs) -> ActiveChat:
+    def new(cls, chat: dc.Chat, **kwargs) -> ActiveChat:
+        """
+        Create a new `Chat` from a rust Chat object
+        :param chat: rusty chat
+        :param kwargs: optional other paraeters
+        :return: the `Chat`
+        """
         return cls(chat=chat, **kwargs)
 
+    def get_header(self) -> pygame.Surface:
+        """
+        Render a pygame surface with the header.
+        The header is (for now) just a name of the user written on a background
+
+        :return: the header
+        """
+        surface: pygame.Surface = pygame.Surface((self.width, self.header_height))
+        surface.fill(DARK_BLUE)
+        name_surface: pygame.Surface = font.render(self.chat.profile.name, True, WHITE)
+        surface.blit(name_surface, (20, 20))
+        return surface
+
     def render(self) -> pygame.Surface:
         """
         Creates a pygame surface and draws the chat on it
         :return: the surface with the chat on it
         """
         surface: pygame.Surface = pygame.Surface((self.width, self.height))
+        surface.fill(DARKER_BLUE)
 
+        header = self.get_header()
+        surface.blit(header, (0, 10))
         return surface
 
     def process_event(self, event: pygame.event.Event):
diff --git a/degeon_py/config.py b/degeon_py/config.py
index e6f9e3f..091c688 100644
--- a/degeon_py/config.py
+++ b/degeon_py/config.py
@@ -3,6 +3,7 @@ import pygame
 
 pygame.init()
 font = pygame.font.Font('CRC35.otf', 25)
+font_large = pygame.font.Font('CRC35.otf', 35)
 
 RED = 0xFF0000
 BLUE = 0x0000FF
diff --git a/degeon_py/degeon.py b/degeon_py/degeon.py
index ef718d8..4d3aa9c 100644
--- a/degeon_py/degeon.py
+++ b/degeon_py/degeon.py
@@ -44,7 +44,8 @@ class Degeon:
         chats_surface = self.chat_selector.render()
         screen.blit(chats_surface, (0, 0))
         if self.active_chat is not None:
-            pass
+            active_chat_surface = self.active_chat.render()
+            screen.blit(active_chat_surface, (self.active_chat.delta_x, 0))
         else:
             text_surface: pygame.Surface = font.render('<- Select chat in the menu', True, WHITE)
             screen.blit(text_surface,