buttons/views: Use Hyperlink widget for links in message info popup.

This commit introduces the use of the Hyperlink widget from the
Urwidgets library for displaying links in the message information popup.

Author: theViz343

setup.py

@@ -105,5 +105,6 @@ def long_description():
         "pytz>=2022.7.1",
         "tzlocal>=2.1",
         "pyperclip>=1.8.1",
+        "urwidgets>=0.1,<0.2",
     ],
 )

zulipterminal/ui_tools/buttons.py

@@ -8,6 +8,7 @@
 from urllib.parse import urljoin, urlparse
 
 import urwid
+import urwidgets
 from typing_extensions import TypedDict
 
 from zulipterminal.api_types import RESOLVED_TOPIC_PREFIX, EditPropagateMode
@@ -442,7 +443,12 @@ def update_widget(self, caption: str, display_attr: Optional[str] = None) -> Non
         Overrides the existing button widget for custom styling.
         """
         # Set cursor position next to len(caption) to avoid the cursor.
-        icon = urwid.SelectableIcon(caption, cursor_position=len(caption) + 1)
+        icon = urwid.Pile(
+            widget_list=[
+                urwid.SelectableIcon(caption, cursor_position=len(caption) + 1),
+                urwidgets.Hyperlink(uri=self.link),
+            ]
+        )
         self._w = urwid.AttrMap(icon, display_attr, focus_map="selected")
 
     def handle_link(self, *_: Any) -> None:

zulipterminal/ui_tools/views.py

@@ -1599,7 +1599,7 @@ def create_link_buttons(
         for index, link in enumerate(links):
             text, link_index, _ = links[link]
             if text:
-                caption = f"{link_index}: {text}\n{link}"
+                caption = f"{link_index}: {text}"
             else:
                 caption = f"{link_index}: {link}"
             link_width = max(link_width, len(max(caption.split("\n"), key=len)))