browser: make scroll step a config value

bebop/browser/browser.py

@@ -189,19 +189,19 @@ class Browser:
         elif char == ord("r"):
             self.reload_page()
         elif char == ord("h") or char == curses.KEY_LEFT:
-            self.scroll_page_horizontally(-3)
+            self.scroll_page_horizontally(-self.config["scroll_step"])
         elif char == ord("H"):
             self.scroll_whole_page_left()
         elif char == ord("j") or char == curses.KEY_DOWN:
-            self.scroll_page_vertically(3)
+            self.scroll_page_vertically(self.config["scroll_step"])
         elif char == ord("J") or char == curses.KEY_NPAGE:
             self.scroll_whole_page_down()
         elif char == ord("k") or char == curses.KEY_UP:
-            self.scroll_page_vertically(-3)
+            self.scroll_page_vertically(-self.config["scroll_step"])
         elif char == ord("K") or char == curses.KEY_PPAGE:
             self.scroll_whole_page_up()
         elif char == ord("l") or char == curses.KEY_RIGHT:
-            self.scroll_page_horizontally(3)
+            self.scroll_page_horizontally(self.config["scroll_step"])
         elif char == ord("L"):
             self.scroll_whole_page_right()
         elif char == ord("^"):

bebop/config.py

@@ -28,6 +28,7 @@ DEFAULT_CONFIG = {
         "-out", "{cert_path}",
         "-subj", "/CN={common_name}",
     ],
+    "scroll_step": 3,
 }
 
 RENDER_MODES = ("fancy", "dumb")

bebop/help.py

@@ -69,6 +69,7 @@ Here are the available options:
 * home (string): home page.
 * render_mode (string): default render mode to use ("fancy" or "dumb").
 * generate_client_cert_command (see note 3): command to generate a client cert.
+* scroll_step (int): number of lines/columns to scroll in one step.
 
 Notes: