ui: Improve Column spacing w.r.t. width.

Author: Rohitth007

zulipterminal/ui.py

@@ -133,15 +133,15 @@ def main_window(self) -> Any:
         self.right_panel = self.right_column_view()
         if self.controller.autohide:
             body = [
-                (View.LEFT_WIDTH, self.left_panel),
-                ("weight", 10, self.center_panel),
+                ("weight", 20, self.left_panel),
+                ("weight", 80, self.center_panel),
                 (0, self.right_panel),
             ]
         else:
             body = [
-                (View.LEFT_WIDTH, self.left_panel),
-                ("weight", 10, self.center_panel),
-                (View.RIGHT_WIDTH, self.right_panel),
+                ("weight", 20, self.left_panel),
+                ("weight", 65, self.center_panel),
+                ("weight", 15, self.right_panel),
             ]
         self.body = urwid.Columns(body, focus_column=0)
 
@@ -176,22 +176,16 @@ def main_window(self) -> Any:
     def show_left_panel(self, *, visible: bool) -> None:
         if not self.controller.autohide:
             return
-        width = View.LEFT_WIDTH if visible else 0
-        self.body.contents[0] = (
-            self.left_panel,
-            self.body.options(width_type="given", width_amount=width),
-        )
+        option = ("weight", 20) if visible else ("given", 0)
+        self.body.contents[0] = (self.left_panel, self.body.options(*option))
         if visible:
             self.body.focus_position = 0
 
     def show_right_panel(self, *, visible: bool) -> None:
         if not self.controller.autohide:
             return
-        width = View.RIGHT_WIDTH if visible else 0
-        self.body.contents[2] = (
-            self.right_panel,
-            self.body.options(width_type="given", width_amount=width),
-        )
+        option = ("weight", 15) if visible else ("given", 0)
+        self.body.contents[2] = (self.right_panel, self.body.options(*option))
         if visible:
             self.body.focus_position = 2