Added ui changes to modals, pre-loader and some fixes for other ui elements and performance improvements all over.

ptlinux/news.py

@@ -20,6 +20,8 @@ OFFICIAL_LOGO_URL = "https://pristontale.eu/public/img/pristontale/logo/logo_sma
 BROADCAST_ENDPOINT = "http://5.135.35.188:90/broadcasts"
 MAX_NEWS_BYTES = 2 * 1024 * 1024
 MAX_NEWS_IMAGE_BYTES = 12 * 1024 * 1024
+MAX_BROADCAST_AUTHOR_CHARACTERS = 100
+MAX_BROADCAST_CONTENT_CHARACTERS = 2000
 PNG_SIGNATURE = b"\x89PNG\r\n\x1a\n"
 
 
@@ -241,26 +243,41 @@ def _parse_latest_broadcast(payload: bytes) -> Broadcast:
 	value = json.loads(payload.decode("utf-8-sig"))
 	if not isinstance(value, list) or not value or not isinstance(value[0], dict):
 		raise NewsError("broadcast response does not contain a latest broadcast")
-	latest = value[0]
-	author = latest.get("author")
-	content = latest.get("content")
+	return _broadcast_from_mapping(value[0])
+
+
+def _broadcast_from_mapping(latest: dict[object, object]) -> Broadcast:
+	author = _bounded_text(latest.get("author"), MAX_BROADCAST_AUTHOR_CHARACTERS)
+	content = _bounded_text(latest.get("content"), MAX_BROADCAST_CONTENT_CHARACTERS)
 	url = _broadcast_url(latest.get("url"))
 	if (
-		not isinstance(author, str)
-		or not author.strip()
-		or not isinstance(content, str)
-		or not content.strip()
+		author is None
+		or content is None
 		or url is None
 	):
 		raise NewsError("latest broadcast is incomplete")
+	published_at = (
+		_format_timestamp(latest.get("timestamp"))
+		if "timestamp" in latest
+		else _bounded_text(latest.get("published_at"), 64)
+	)
 	return Broadcast(
-		author=author.strip(),
-		content=content.strip(),
-		published_at=_format_timestamp(latest.get("timestamp")),
+		author=author,
+		content=content,
+		published_at=published_at,
 		url=url,
 	)
 
 
+def _bounded_text(value: object, maximum_characters: int) -> str | None:
+	if not isinstance(value, str):
+		return None
+	text = value.strip()
+	if not text or len(text) > maximum_characters:
+		return None
+	return text
+
+
 def _format_timestamp(value: object) -> str | None:
 	if isinstance(value, bool) or not isinstance(value, (int, float)):
 		return None
@@ -288,10 +305,16 @@ def _image_url(value: object) -> str | None:
 def _broadcast_url(value: object) -> str | None:
 	if not isinstance(value, str) or not value.strip():
 		return None
-	parsed = urlparse(value)
-	if parsed.scheme not in {"http", "https"} or not parsed.netloc:
+	url = value.strip()
+	parsed = urlparse(url)
+	if (
+		parsed.scheme.casefold() != "https"
+		or not parsed.netloc
+		or parsed.username is not None
+		or parsed.password is not None
+	):
 		return None
-	return value.strip()
+	return url
 
 
 def _read_cache(path: Path) -> tuple[NewsArticle, ...]:
@@ -320,8 +343,8 @@ def _write_cache(path: Path, articles: tuple[NewsArticle, ...]) -> None:
 def _read_broadcast_cache(path: Path) -> Broadcast | None:
 	try:
 		value = json.loads(path.read_text(encoding="utf-8"))
-		return Broadcast(**value) if isinstance(value, dict) else None
-	except (OSError, UnicodeError, TypeError, json.JSONDecodeError):
+		return _broadcast_from_mapping(value) if isinstance(value, dict) else None
+	except (OSError, UnicodeError, NewsError, json.JSONDecodeError):
 		return None
 
 

ptlinux/tk_chrome.py

@@ -304,6 +304,7 @@ def create_window_chrome(
 	*,
 	title: str,
 	subtitle: str,
+	window_icon: Any | None = None,
 	show_title_bar: bool = True,
 	show_close: bool = True,
 	show_minimize: bool = False,
@@ -347,17 +348,39 @@ def create_window_chrome(
 	title_bar.pack_propagate(False)
 	tk_accent = tk.Frame(title_bar, background="#d98927", width=3)
 	tk_accent.pack(side="left", fill="y")
-	mark = tk.Canvas(
-		title_bar,
-		width=22,
-		height=22,
-		background="#17100d",
-		borderwidth=0,
-		highlightthickness=0,
-		cursor="fleur",
-	)
-	mark.create_oval(3, 3, 19, 19, outline="#d98927", width=1)
-	mark.create_text(11, 11, text="PT", fill="#f5d18b", font=("Georgia", 6, "bold"))
+	title_icon: Any | None = None
+	if window_icon is not None:
+		try:
+			factor = icon_subsample_factor(
+				window_icon.width(),
+				window_icon.height(),
+				20,
+			)
+			title_icon = window_icon.subsample(factor, factor)
+		except (tk.TclError, ValueError):
+			title_icon = None
+	if title_icon is not None:
+		mark = tk.Label(
+			title_bar,
+			image=title_icon,
+			width=22,
+			height=22,
+			background="#17100d",
+			borderwidth=0,
+			highlightthickness=0,
+			cursor="fleur",
+		)
+		mark.image = title_icon
+	else:
+		mark = tk.Frame(
+			title_bar,
+			width=22,
+			height=22,
+			background="#17100d",
+			borderwidth=0,
+			highlightthickness=0,
+			cursor="fleur",
+		)
 	mark.pack(side="left", padx=(9, 7))
 	identity = tk.Frame(title_bar, background="#17100d", cursor="fleur")
 	identity.pack(side="left", fill="y")
@@ -440,6 +463,7 @@ def create_dashboard_chrome(
 	*,
 	title: str,
 	subtitle: str,
+	window_icon: Any | None = None,
 ) -> DashboardChrome:
 	"""Install the draggable frame and full controls used by the dashboard."""
 
@@ -447,6 +471,7 @@ def create_dashboard_chrome(
 		root,
 		title=title,
 		subtitle=subtitle,
+		window_icon=window_icon,
 		show_close=True,
 		show_minimize=True,
 		allow_close=True,