ui: replace qt text window with raylib (#35064)

* remove qt text window

* use wrapper, render text window in thread

* add wait_for_exit method

* update imports

Author: incognitojam

.gitattributes

@@ -11,7 +11,6 @@
 
 selfdrive/car/tests/test_models_segs.txt filter=lfs diff=lfs merge=lfs -text
 system/hardware/tici/updater filter=lfs diff=lfs merge=lfs -text
-selfdrive/ui/qt/text_larch64 filter=lfs diff=lfs merge=lfs -text
 third_party/**/*.a filter=lfs diff=lfs merge=lfs -text
 third_party/**/*.so filter=lfs diff=lfs merge=lfs -text
 third_party/**/*.so.* filter=lfs diff=lfs merge=lfs -text

common/text_window.py

@@ -3,8 +3,6 @@ moc_*
 
 translations/main_test_en.*
 
-_text
-
 ui
 mui
 watch3

selfdrive/ui/.gitignore

@@ -66,9 +66,6 @@ if GetOption('extras'):
 
   qt_env.SharedLibrary("qt/python_helpers", ["qt/qt_window.cc"], LIBS=qt_libs)
 
-  # text window
-  qt_env.Program("_text", ["qt/text.cc"], LIBS=qt_libs)
-
   # setup and factory resetter
   qt_env.Program("qt/setup/reset", ["qt/setup/reset.cc"], LIBS=qt_libs)
   qt_env.Program("qt/setup/setup", ["qt/setup/setup.cc", asset_obj],

selfdrive/ui/SConscript

@@ -5,10 +5,10 @@
 
 # NOTE: Do NOT import anything here that needs be built (e.g. params)
 from openpilot.common.basedir import BASEDIR
-from openpilot.common.text_window import TextWindow
 from openpilot.common.swaglog import cloudlog, add_file_handler
 from openpilot.system.hardware import HARDWARE, AGNOS
 from openpilot.system.ui.spinner import Spinner
+from openpilot.system.ui.text import TextWindow
 from openpilot.system.version import get_build_metadata
 
 MAX_CACHE_SIZE = 4e9 if "CI" in os.environ else 2e9

selfdrive/ui/qt/text.cc

@@ -9,7 +9,6 @@
 import cereal.messaging as messaging
 import openpilot.system.sentry as sentry
 from openpilot.common.params import Params, ParamKeyType
-from openpilot.common.text_window import TextWindow
 from openpilot.system.hardware import HARDWARE
 from openpilot.system.manager.helpers import unblock_stdout, write_onroad_params, save_bootlog
 from openpilot.system.manager.process import ensure_running
@@ -18,6 +17,7 @@
 from openpilot.common.swaglog import cloudlog, add_file_handler
 from openpilot.system.version import get_build_metadata, terms_version, training_version
 from openpilot.system.hardware.hw import Paths
+from openpilot.system.ui.text import TextWindow
 
 
 def manager_init() -> None:

selfdrive/ui/qt/text_larch64

@@ -1,5 +1,8 @@
 #!/usr/bin/env python3
+import os
 import re
+import threading
+import time
 import pyray as rl
 from openpilot.system.hardware import HARDWARE, PC
 from openpilot.system.ui.lib.button import gui_button, ButtonStyle
@@ -42,7 +45,8 @@ def wrap_text(text, font_size, max_width):
 
   return lines
 
-class TextWindow:
+
+class TextWindowRenderer:
   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)
@@ -70,13 +74,53 @@ def render(self):
     return ret
 
 
-def show_text_in_window(text: str):
-  gui_app.init_window("Text")
-  text_window = TextWindow(text)
-  for _ in gui_app.render():
-    text_window.render()
-  gui_app.close()
+class TextWindow:
+  def __init__(self, text: str):
+    self._text = text
+
+    self._renderer: TextWindowRenderer | None = None
+    self._stop_event = threading.Event()
+    self._thread = threading.Thread(target=self._run)
+    self._thread.start()
+
+    # wait for the renderer to be initialized
+    while self._renderer is None and self._thread.is_alive():
+      time.sleep(0.01)
+
+  def wait_for_exit(self):
+    while self._thread.is_alive():
+      time.sleep(0.01)
+
+  def _run(self):
+    if os.getenv("CI") is not None:
+      return
+    gui_app.init_window("Text")
+    self._renderer = renderer = TextWindowRenderer(self._text)
+    try:
+      for _ in gui_app.render():
+        if self._stop_event.is_set():
+          break
+        renderer.render()
+    finally:
+      gui_app.close()
+
+  def __enter__(self):
+    return self
+
+  def close(self):
+    if self._thread.is_alive():
+      self._stop_event.set()
+      self._thread.join(timeout=2.0)
+      if self._thread.is_alive():
+        print("WARNING: failed to join text window thread")
+
+  def __del__(self):
+    self.close()
+
+  def __exit__(self, exc_type, exc_val, exc_tb):
+    self.close()
 
 
 if __name__ == "__main__":
-  show_text_in_window(DEMO_TEXT)
+  with TextWindow(DEMO_TEXT):
+    time.sleep(5)