ui: switch spinner and text window back to standalone process (#35470)

switch spinner and text window back to standalone process

system/ui/text.py

@@ -1,13 +1,12 @@
 #!/usr/bin/env python3
 import re
-import time
+import sys
 import pyray as rl
 from openpilot.system.hardware import HARDWARE, PC
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.lib.button import gui_button, ButtonStyle
 from openpilot.system.ui.lib.scroll_panel import GuiScrollPanel
 from openpilot.system.ui.lib.application import gui_app
-from openpilot.system.ui.lib.window import BaseWindow
 
 MARGIN = 50
 SPACING = 40
@@ -46,7 +45,7 @@ def wrap_text(text, font_size, max_width):
   return lines
 
 
-class TextWindowRenderer:
+class TextWindow:
   def __init__(self, text: str):
     self._textarea_rect = rl.Rectangle(MARGIN, MARGIN, gui_app.width - MARGIN * 2, gui_app.height - MARGIN * 2)
     self._wrapped_lines = wrap_text(text, FONT_SIZE, self._textarea_rect.width - 20)
@@ -73,20 +72,9 @@ class TextWindowRenderer:
         HARDWARE.reboot()
     return ret
 
-
-class TextWindow(BaseWindow[TextWindowRenderer]):
-  def __init__(self, text: str):
-    self._text = text
-    super().__init__("Text")
-
-  def _create_renderer(self):
-    return TextWindowRenderer(self._text)
-
-  def wait_for_exit(self):
-    while self._thread.is_alive():
-      time.sleep(0.01)
-
-
 if __name__ == "__main__":
-  with TextWindow(DEMO_TEXT):
-    time.sleep(30)
+  text = sys.argv[1] if len(sys.argv) > 1 else DEMO_TEXT
+  gui_app.init_window("Text Viewer")
+  text_window = TextWindow(text)
+  for _ in gui_app.render():
+    text_window.render()