add help

hn.py

@@ -23,6 +23,7 @@ class Client:
         curses.noecho()
         curses.cbreak()
         self.screen.keypad(True)
+        curses.curs_set(0)
 
         self.topstories = api.get_topstories()
         self.loadedstories = {}
@@ -94,9 +95,11 @@ class Client:
     async def handle_input(self):
         c = self.screen.getch()
         story = self.loadedstories[self.topstories[self.story_pos + self.cursor_pos]]
+
         if c == ord('q'):  # Quit
             await self.exit()
-        elif c == curses.KEY_UP:
+
+        elif c == curses.KEY_UP or c == ord('k'):
             self.cursor_pos -= 1
             if self.cursor_pos < 0:
                 self.cursor_pos = self.stories_in_a_site-1
@@ -104,7 +107,7 @@ class Client:
                 self.story_pos -= self.stories_in_a_site
                 self.story_pos = 0 if self.story_pos < 0 else self.story_pos
 
-        elif c == curses.KEY_DOWN:
+        elif c == curses.KEY_DOWN or c == ord('j'):
             self.cursor_pos += 1
             if self.cursor_pos >= self.stories_in_a_site:
                 self.cursor_pos = 0
@@ -133,6 +136,29 @@ class Client:
             self.stories_in_a_site = self.lines - 3
             await self.load_more_if_needed()
 
+        elif c == ord('?'):
+            self.help()
+
+    def help(self):
+        def __helpwin_addstr__(win, string, newline=True):
+            c_pos_y, c_pos_x = win.getyx()
+            win.move(c_pos_y, 1)
+            win.addstr(string)
+            if newline:
+                win.move(c_pos_y +1, 1)
+
+        helpwin = curses.newwin(self.lines//2, self.cols//2, self.lines//4, self.cols//4)
+        helpwin.box()
+        __helpwin_addstr__(helpwin, 'Help')
+        __helpwin_addstr__(helpwin, '')
+        __helpwin_addstr__(helpwin, 'hjkl or arrows - move')
+        __helpwin_addstr__(helpwin, 'enter - open link')
+        __helpwin_addstr__(helpwin, 'c - open comments')
+        __helpwin_addstr__(helpwin, 'r - reload')
+        __helpwin_addstr__(helpwin, '')
+
+
+        helpwin.getch()
 
     async def load_more_if_needed(self):