browser: support arrows and page {up,down}

bebop/browser/browser.py

@@ -186,19 +186,19 @@ class Browser:
             self.quick_command("")
         elif char == ord("r"):
             self.reload_page()
-        elif char == ord("h"):
+        elif char == ord("h") or char == curses.KEY_LEFT:
             self.scroll_page_horizontally(-3)
         elif char == ord("H"):
             self.scroll_whole_page_left()
-        elif char == ord("j"):
+        elif char == ord("j") or char == curses.KEY_DOWN:
             self.scroll_page_vertically(3)
-        elif char == ord("J"):
+        elif char == ord("J") or char == curses.KEY_NPAGE:
             self.scroll_whole_page_down()
-        elif char == ord("k"):
+        elif char == ord("k") or char == curses.KEY_UP:
             self.scroll_page_vertically(-3)
-        elif char == ord("K"):
+        elif char == ord("K") or char == curses.KEY_PPAGE:
             self.scroll_whole_page_up()
-        elif char == ord("l"):
+        elif char == ord("l") or char == curses.KEY_RIGHT:
             self.scroll_page_horizontally(3)
         elif char == ord("L"):
             self.scroll_whole_page_right()

bebop/help.py

@@ -11,13 +11,13 @@ Keybinds using the SHIFT key are written uppercase. Keybinds using the ALT (or M
 
 * colon: focus the command-line
 * r: reload page
-* h: scroll left a bit
-* j: scroll down a bit
-* k: scroll up a bit
-* l: scroll right a bit
+* h (or left): scroll left a bit
+* j (or down): scroll down a bit
+* k (or up): scroll up a bit
+* l (or right): scroll right a bit
 * H: scroll left a whole page
-* J: scroll down a whole page
-* K: scroll up a whole page
+* J (or page down): scroll down a whole page
+* K (or page up): scroll up a whole page
 * L: scroll right a whole page
 * M-h: scroll one column left
 * M-j: scroll one line down