lagless

selfdrive/ui/mici/onroad/augmented_road_view.py

@@ -174,6 +174,12 @@ class AugmentedRoadView(CameraView):
     }
     self._radar_ranges_label = UnifiedLabel("", **radar_text_args)
     self._radar_counts_label = UnifiedLabel("none", **radar_text_args)
+    self._radar_status = ("", "none")
+    self._radar_layout_key: tuple[str, str, int] | None = None
+    self._radar_range_width = 0
+    self._radar_count_width = 36
+    self._radar_status_width = 52
+    self._radar_status_height = 42
 
     self._fade_texture = gui_app.texture("icons_mici/onroad/onroad_fade.png")
 
@@ -191,12 +197,10 @@ class AugmentedRoadView(CameraView):
         status = ("", "radar detected\ntap to enable")
       else:
         status = format_radar_tracks_onroad_columns(live_tracks) if ui_state.sm.valid["liveTracks"] else ("", "none")
-      self._radar_ranges_label.set_text(status[0])
-      self._radar_counts_label.set_text(status[1])
+      self._set_radar_status(status)
     elif not ui_state.sm.alive["liveTracks"]:
       self._radar_tracks_settings_prompt = False
-      self._radar_ranges_label.set_text("")
-      self._radar_counts_label.set_text("none")
+      self._set_radar_status(("", "none"))
 
     # update offroad label
     if ui_state.panda_type == log.PandaState.PandaType.unknown:
@@ -206,6 +210,37 @@ class AugmentedRoadView(CameraView):
     else:
       self._offroad_label.set_text("start the car to\nuse sunnypilot")
 
+  def _set_radar_status(self, status: tuple[str, str]) -> None:
+    if status == self._radar_status:
+      return
+
+    self._radar_status = status
+    self._radar_ranges_label.set_text(status[0])
+    self._radar_counts_label.set_text(status[1])
+    self._radar_layout_key = None
+
+  def _update_radar_status_layout(self) -> None:
+    radar_horizontal_padding = 8
+    radar_column_gap = 8
+    radar_max_inner_width = int(self._content_rect.width - 40)
+    layout_key = (*self._radar_status, radar_max_inner_width)
+    if layout_key == self._radar_layout_key:
+      return
+
+    radar_range_max_width = radar_max_inner_width - 36 - radar_column_gap
+    self._radar_ranges_label.get_content_height(radar_range_max_width)
+    self._radar_counts_label.get_content_height(radar_max_inner_width)
+    self._radar_range_width = int(np.ceil(self._radar_ranges_label.text_width))
+    self._radar_count_width = max(36, int(np.ceil(self._radar_counts_label.text_width)))
+    radar_status_inner_width = self._radar_range_width + self._radar_count_width + (radar_column_gap if self._radar_range_width else 0)
+    self._radar_status_width = radar_status_inner_width + radar_horizontal_padding * 2
+    self._radar_status_height = max(
+      42,
+      self._radar_ranges_label.get_content_height(max(self._radar_range_width, 1)) + 10,
+      self._radar_counts_label.get_content_height(self._radar_count_width) + 10,
+    )
+    self._radar_layout_key = layout_key
+
   def _handle_mouse_release(self, mouse_pos: MousePos):
     if (self._radar_tracks_settings_callback is not None and
         rl.check_collision_point_rec(mouse_pos, self._radar_status_rect)):
@@ -256,37 +291,25 @@ class AugmentedRoadView(CameraView):
 
     radar_horizontal_padding = 8
     radar_column_gap = 8
-    radar_max_inner_width = int(self._content_rect.width - 40)
-    radar_range_max_width = radar_max_inner_width - 36 - radar_column_gap
-    self._radar_ranges_label.get_content_height(radar_range_max_width)
-    self._radar_counts_label.get_content_height(radar_max_inner_width)
-    radar_range_width = int(np.ceil(self._radar_ranges_label.text_width))
-    radar_count_width = max(36, int(np.ceil(self._radar_counts_label.text_width)))
-    radar_status_inner_width = radar_range_width + radar_count_width + (radar_column_gap if radar_range_width else 0)
-    radar_status_width = radar_status_inner_width + radar_horizontal_padding * 2
-    radar_status_height = max(
-      42,
-      self._radar_ranges_label.get_content_height(max(radar_range_width, 1)) + 10,
-      self._radar_counts_label.get_content_height(radar_count_width) + 10,
-    )
+    self._update_radar_status_layout()
     self._radar_status_rect = rl.Rectangle(
-      self._content_rect.x + self._content_rect.width - radar_status_width - 12,
+      self._content_rect.x + self._content_rect.width - self._radar_status_width - 12,
       self._content_rect.y + 8,
-      radar_status_width,
-      radar_status_height,
+      self._radar_status_width,
+      self._radar_status_height,
     )
     radar_status_rect = self._radar_status_rect
     rl.draw_rectangle_rounded(radar_status_rect, 0.5, 8, rl.Color(0, 0, 0, 170))
     self._radar_ranges_label.render(rl.Rectangle(
       radar_status_rect.x + radar_horizontal_padding,
       radar_status_rect.y + 5,
-      radar_range_width,
+      self._radar_range_width,
       radar_status_rect.height - 10,
     ))
     self._radar_counts_label.render(rl.Rectangle(
-      radar_status_rect.x + radar_horizontal_padding + radar_range_width + (radar_column_gap if radar_range_width else 0),
+      radar_status_rect.x + radar_horizontal_padding + self._radar_range_width + (radar_column_gap if self._radar_range_width else 0),
       radar_status_rect.y + 5,
-      radar_count_width,
+      self._radar_count_width,
       radar_status_rect.height - 10,
     ))