fix keybindings when bottom window is out of focus

nex.py

@@ -1,9 +1,9 @@
 import sys
 import socket
-import pytermgui as ptg
-from typing import Tuple
 import re
 import logging
+import pytermgui as ptg
+from typing import Tuple
 
 PORT = 1900
 
@@ -58,22 +58,28 @@ class Page:
 
     @property
     def title(self):
-        return f'nex://{self.url}'
+        prefix = 'nex://'
+        if self.url.startswith(prefix):
+            return self.url[len(prefix):]
+        return self.url
 
     def _parse_links(self):
         pattern = re.compile(r'=>\s*([\w/:\.~-]*)\s*')
         self.links = pattern.findall(self.raw_content)
 
 
-landing_page = Page('')
-landing_page.raw_content = 'Welcome to PyNex'
-landing_page.content = landing_page.raw_content
+def create_landing_page() -> Page:
+    landing_page = Page('about:home')
+    landing_page.raw_content = 'Welcome to PyNex'
+    landing_page.content = landing_page.raw_content
+    return landing_page
 
 
 class Session:
     def __init__(self):
-        self.pages = {'': landing_page}
-        self.history = ['']
+        home_page = create_landing_page()
+        self.pages = {home_page.url: home_page}
+        self.history = [home_page.url]
         self.curr_index = 0
 
     @property
@@ -107,17 +113,17 @@ class Browser(ptg.WindowManager):
         super().__init__()
         self.layout = ptg.Layout()
         self.session = session
-        
+
         self.page_container = ptg.Container(self.session.current_page.content)
         self.body = ptg.Window(self.page_container,
                                overflow=ptg.Overflow.SCROLL,
                                vertical_align=ptg.VerticalAlignment.TOP)
         self.footer = ptg.Window(
                 ptg.Splitter(
-                    ptg.KeyboardButton("Back", self.back, bound='b'),
-                    ptg.KeyboardButton("Forward", self.forward, bound='f'),
-                    ptg.KeyboardButton("Reload", self.reload, bound='r'),
-                    ptg.KeyboardButton("Quit", self.stop, bound='q')
+                    ["(B)ack", self.back],
+                    ["(F)orward", self.forward],
+                    ["(R)eload", self.reload],
+                    ["(Q)uit", lambda *_: self.stop()]
                     ),
                 box="EMPTY",
                 is_persistant=True
@@ -128,10 +134,13 @@ class Browser(ptg.WindowManager):
         self.update()
 
     def _create_key_bindings(self):
-        self.bind('j', lambda *_: self.body.scroll(5))
         self.bind(ptg.keys.DOWN, lambda *_: self.body.scroll(5))
-        self.bind('k', lambda *_: self.body.scroll(-5))
         self.bind(ptg.keys.UP, lambda *_: self.body.scroll(-5))
+        self.bind('j', lambda *_: self.body.scroll(5))
+        self.bind('k', lambda *_: self.body.scroll(-5))
+        self.bind('b', self.back)
+        self.bind('f', self.forward)
+        self.bind('r', self.reload)
         self.bind('q', lambda *_: self.stop())
 
         for i in range(10):
@@ -142,13 +151,13 @@ class Browser(ptg.WindowManager):
         self.layout.add_break()
         self.layout.add_slot("Footer", height=1)
 
-        # self.add(self.header)
         self.add(self.body)
         self.add(self.footer)
 
     def update(self):
-        self.page_container.set_widgets([self.session.current_page.content])
-        self.body.set_title(f'[bold tertiary]{self.session.current_page.title}', 1)
+        page = self.session.current_page
+        self.page_container.set_widgets([page.content])
+        self.body.set_title(f'[bold tertiary]{page.title}', 1)
 
     def back(self, *args):
         self.session.prev()