Disallow clicking active path segment

hyperplane/path_bar.py

@@ -73,8 +73,8 @@ def remove(self, n: int) -> None:
             return
 
         try:
-            self.segments[-1].remove_css_class("inactive-segment")
-            self.segments[-2].add_css_class("inactive-segment")
+            self.segments[-1].active = True
+            self.segments[-2].active = False
         except IndexError:
             return
 
@@ -123,10 +123,10 @@ def append(
         if self.tags:
             return
 
-        segment.remove_css_class("inactive-segment")
+        segment.active = True
 
         try:
-            self.segments[-2].add_css_class("inactive-segment")
+            self.segments[-2].active = False
         except IndexError:
             return
 

hyperplane/path_segment.py

@@ -34,6 +34,8 @@ class HypPathSegment(Gtk.Revealer):
     button: Gtk.Button = Gtk.Template.Child()
     button_content: Adw.ButtonContent = Gtk.Template.Child()
 
+    _active: bool
+
     def __init__(
         self,
         label: str,
@@ -52,15 +54,32 @@ def __init__(
 
     def __navigate(self, *_args: Any) -> None:
         # HACK: Do this properly
-        nav_bin = self.get_root().get_nav_bin()
+        win = self.get_root()
+        nav_bin = win.get_nav_bin()
+        page = win.get_visible_page()
 
         if self.tag:
+            if page.tags == [self.tag]:
+                return
             nav_bin.new_page(tags=[self.tag])
             return
 
         if self.uri:
+            if self.active:  # pylint: disable=using-constant-test
+                return
+
             nav_bin.new_page(Gio.File.new_for_uri(self.uri))
 
+    @GObject.Property(type=bool, default=True)
+    def active(self) -> bool:
+        """Whether the segment is the currently active one."""
+        return self._active
+
+    @active.setter
+    def set_active(self, active) -> None:
+        self._active = active
+        (self.remove_css_class if active else self.add_css_class)("inactive-segment")
+
     @GObject.Property(type=str)
     def icon_name(self) -> str:
         """An optional icon for the path segment."""