ui: replace close button text with icon (#36492)

selfdrive/ui/layouts/settings/settings.py

@@ -14,13 +14,10 @@ from openpilot.system.ui.lib.wifi_manager import WifiManager
 from openpilot.system.ui.widgets import Widget
 from openpilot.system.ui.widgets.network import NetworkUI
 
-# Settings close button
-SETTINGS_CLOSE_TEXT = "×"
-SETTINGS_CLOSE_TEXT_Y_OFFSET = 8  # The '×' character isn't quite vertically centered in the font so we need to offset it a bit to fully center it
-
 # Constants
 SIDEBAR_WIDTH = 500
 CLOSE_BTN_SIZE = 200
+CLOSE_ICON_SIZE = 70
 NAV_BTN_HEIGHT = 110
 PANEL_MARGIN = 50
 
@@ -68,6 +65,7 @@ class SettingsLayout(Widget):
     }
 
     self._font_medium = gui_app.font(FontWeight.MEDIUM)
+    self._close_icon = gui_app.texture("icons/close2.png", CLOSE_ICON_SIZE, CLOSE_ICON_SIZE)
 
     # Callbacks
     self._close_callback: Callable | None = None
@@ -97,12 +95,21 @@ class SettingsLayout(Widget):
     close_color = CLOSE_BTN_PRESSED if pressed else CLOSE_BTN_COLOR
     rl.draw_rectangle_rounded(close_btn_rect, 1.0, 20, close_color)
 
-    close_text_size = measure_text_cached(self._font_medium, SETTINGS_CLOSE_TEXT, 140)
-    close_text_pos = rl.Vector2(
-      close_btn_rect.x + (close_btn_rect.width - close_text_size.x) / 2,
-      close_btn_rect.y + (close_btn_rect.height - close_text_size.y) / 2 - SETTINGS_CLOSE_TEXT_Y_OFFSET,
+    icon_color = rl.Color(255, 255, 255, 255) if not pressed else rl.Color(220, 220, 220, 255)
+    icon_dest = rl.Rectangle(
+      close_btn_rect.x + (close_btn_rect.width - self._close_icon.width) / 2,
+      close_btn_rect.y + (close_btn_rect.height - self._close_icon.height) / 2,
+      self._close_icon.width,
+      self._close_icon.height,
+    )
+    rl.draw_texture_pro(
+      self._close_icon,
+      rl.Rectangle(0, 0, self._close_icon.width, self._close_icon.height),
+      icon_dest,
+      rl.Vector2(0, 0),
+      0,
+      icon_color,
     )
-    rl.draw_text_ex(self._font_medium, SETTINGS_CLOSE_TEXT, close_text_pos, 140, 0, TEXT_SELECTED)
 
     # Store close button rect for click detection
     self._close_btn_rect = close_btn_rect