browser: add a keybind to toggle render modes

bebop/browser/browser.py

@@ -228,6 +228,8 @@ class Browser:
             self.edit_page()
         elif char == ord("y"):
             self.open_history()
+        elif char == ord("§"):
+            self.toggle_render_mode()
         elif curses.ascii.isdigit(char):
             self.handle_digit_input(char)
         elif char == curses.KEY_MOUSE:
@@ -705,3 +707,21 @@ class Browser:
         self.capsule_prefs[url] = prefs
         save_capsule_prefs(self.capsule_prefs, get_capsule_prefs_path())
         self.reload_page()
+
+    def toggle_render_mode(self):
+        """Switch to the next render mode for the current page."""
+        if not self.page_pad or not self.page_pad.current_page:
+            return
+        page = self.page_pad.current_page
+        if page.render is None or page.render not in RENDER_MODES:
+            next_mode = RENDER_MODES[0]
+        else:
+            cur_mod_index = RENDER_MODES.index(page.render)
+            next_mode = RENDER_MODES[(cur_mod_index + 1) % len(RENDER_MODES)]
+        new_page = Page.from_gemtext(
+            page.source,
+            wrap_at=self.config["text_width"],
+            render=next_mode
+        )
+        self.load_page(new_page)
+        self.set_status(f"Using render mode '{next_mode}'.")

bebop/help.py

@@ -37,6 +37,7 @@ Keybinds using the SHIFT key are written uppercase. Keybinds using the ALT (or M
 * y: open history
 * digits: go to the corresponding link ID
 * escape: reset status line text
+* section sign (§): toggle between render modes for the current page
 * C-c: cancel current operation
 
 ## Commands

bebop/page.py

@@ -21,6 +21,7 @@ class Page:
     - title: optional page title.
     - mime: optional MIME type received from the server.
     - encoding: optional encoding received from the server.
+    - render: optional render mode used to create the page from Gemtext.
     """
     source: str
     metalines: list = field(default_factory=list)
@@ -28,6 +29,7 @@ class Page:
     title: str = ""
     mime: Optional[MimeType] = None
     encoding: str = ""
+    render: Optional[str] = None
 
     @staticmethod
     def from_gemtext(gemtext: str, wrap_at: int, render: str ="fancy"):
@@ -35,7 +37,7 @@ class Page:
         dumb_mode = render == "dumb"
         elements, links, title = parse_gemtext(gemtext, dumb=dumb_mode)
         metalines = generate_metalines(elements, wrap_at, dumb=dumb_mode)
-        return Page(gemtext, metalines, links, title)
+        return Page(gemtext, metalines, links, title, render=render)
 
     @staticmethod
     def from_text(text: str):