openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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import json
import pyray as rl
from abc import ABC, abstractmethod
from collections.abc import Callable
from dataclasses import dataclass
from openpilot.common.params import Params
from openpilot.system.hardware import HARDWARE
from openpilot.system.ui.lib.scroll_panel import GuiScrollPanel
from openpilot.system.ui.lib.wrap_text import wrap_text
from openpilot.system.ui.lib.text_measure import measure_text_cached
from openpilot.system.ui.lib.application import gui_app, FontWeight, Widget
class AlertColors:
HIGH_SEVERITY = rl.Color(226, 44, 44, 255)
LOW_SEVERITY = rl.Color(41, 41, 41, 255)
BACKGROUND = rl.Color(57, 57, 57, 255)
BUTTON = rl.WHITE
BUTTON_TEXT = rl.BLACK
SNOOZE_BG = rl.Color(79, 79, 79, 255)
TEXT = rl.WHITE
class AlertConstants:
BUTTON_SIZE = (400, 125)
SNOOZE_BUTTON_SIZE = (550, 125)
REBOOT_BUTTON_SIZE = (600, 125)
MARGIN = 50
SPACING = 30
FONT_SIZE = 48
BORDER_RADIUS = 30
ALERT_HEIGHT = 120
ALERT_SPACING = 20
@dataclass
class AlertData:
key: str
text: str
severity: int
visible: bool = False
class AbstractAlert(Widget, ABC):
def __init__(self, has_reboot_btn: bool = False):
self.params = Params()
self.has_reboot_btn = has_reboot_btn
self.dismiss_callback: Callable | None = None
self.dismiss_btn_rect = rl.Rectangle(0, 0, *AlertConstants.BUTTON_SIZE)
self.snooze_btn_rect = rl.Rectangle(0, 0, *AlertConstants.SNOOZE_BUTTON_SIZE)
self.reboot_btn_rect = rl.Rectangle(0, 0, *AlertConstants.REBOOT_BUTTON_SIZE)
self.snooze_visible = False
self.content_rect = rl.Rectangle(0, 0, 0, 0)
self.scroll_panel_rect = rl.Rectangle(0, 0, 0, 0)
self.scroll_panel = GuiScrollPanel()
def set_dismiss_callback(self, callback: Callable):
self.dismiss_callback = callback
@abstractmethod
def refresh(self) -> bool:
pass
@abstractmethod
def get_content_height(self) -> float:
pass
def handle_input(self, mouse_pos: rl.Vector2, mouse_clicked: bool) -> bool:
# TODO: fix scroll_panel.is_click_valid()
if not mouse_clicked:
return False
if rl.check_collision_point_rec(mouse_pos, self.dismiss_btn_rect):
if self.dismiss_callback:
self.dismiss_callback()
return True
if self.snooze_visible and rl.check_collision_point_rec(mouse_pos, self.snooze_btn_rect):
self.params.put_bool("SnoozeUpdate", True)
if self.dismiss_callback:
self.dismiss_callback()
return True
if self.has_reboot_btn and rl.check_collision_point_rec(mouse_pos, self.reboot_btn_rect):
HARDWARE.reboot()
return True
return False
def render(self, rect: rl.Rectangle):
rl.draw_rectangle_rounded(rect, AlertConstants.BORDER_RADIUS / rect.width, 10, AlertColors.BACKGROUND)
footer_height = AlertConstants.BUTTON_SIZE[1] + AlertConstants.SPACING
content_height = rect.height - 2 * AlertConstants.MARGIN - footer_height
self.content_rect = rl.Rectangle(
rect.x + AlertConstants.MARGIN,
rect.y + AlertConstants.MARGIN,
rect.width - 2 * AlertConstants.MARGIN,
content_height,
)
self.scroll_panel_rect = rl.Rectangle(
self.content_rect.x, self.content_rect.y, self.content_rect.width, self.content_rect.height
)
self._render_scrollable_content()
self._render_footer(rect)
def _render_scrollable_content(self):
content_total_height = self.get_content_height()
content_bounds = rl.Rectangle(0, 0, self.scroll_panel_rect.width, content_total_height)
scroll_offset = self.scroll_panel.handle_scroll(self.scroll_panel_rect, content_bounds)
rl.begin_scissor_mode(
int(self.scroll_panel_rect.x),
int(self.scroll_panel_rect.y),
int(self.scroll_panel_rect.width),
int(self.scroll_panel_rect.height),
)
content_rect_with_scroll = rl.Rectangle(
self.scroll_panel_rect.x,
self.scroll_panel_rect.y + scroll_offset.y,
self.scroll_panel_rect.width,
content_total_height,
)
self._render_content(content_rect_with_scroll)
rl.end_scissor_mode()
@abstractmethod
def _render_content(self, content_rect: rl.Rectangle):
pass
def _render_footer(self, rect: rl.Rectangle):
footer_y = rect.y + rect.height - AlertConstants.MARGIN - AlertConstants.BUTTON_SIZE[1]
font = gui_app.font(FontWeight.MEDIUM)
self.dismiss_btn_rect.x = rect.x + AlertConstants.MARGIN
self.dismiss_btn_rect.y = footer_y
rl.draw_rectangle_rounded(self.dismiss_btn_rect, 0.3, 10, AlertColors.BUTTON)
text = "Close"
text_width = measure_text_cached(font, text, AlertConstants.FONT_SIZE).x
text_x = self.dismiss_btn_rect.x + (AlertConstants.BUTTON_SIZE[0] - text_width) // 2
text_y = self.dismiss_btn_rect.y + (AlertConstants.BUTTON_SIZE[1] - AlertConstants.FONT_SIZE) // 2
rl.draw_text_ex(
font, text, rl.Vector2(int(text_x), int(text_y)), AlertConstants.FONT_SIZE, 0, AlertColors.BUTTON_TEXT
)
if self.snooze_visible:
self.snooze_btn_rect.x = rect.x + rect.width - AlertConstants.MARGIN - AlertConstants.SNOOZE_BUTTON_SIZE[0]
self.snooze_btn_rect.y = footer_y
rl.draw_rectangle_rounded(self.snooze_btn_rect, 0.3, 10, AlertColors.SNOOZE_BG)
text = "Snooze Update"
text_width = measure_text_cached(font, text, AlertConstants.FONT_SIZE).x
text_x = self.snooze_btn_rect.x + (AlertConstants.SNOOZE_BUTTON_SIZE[0] - text_width) // 2
text_y = self.snooze_btn_rect.y + (AlertConstants.SNOOZE_BUTTON_SIZE[1] - AlertConstants.FONT_SIZE) // 2
rl.draw_text_ex(font, text, rl.Vector2(int(text_x), int(text_y)), AlertConstants.FONT_SIZE, 0, AlertColors.TEXT)
elif self.has_reboot_btn:
self.reboot_btn_rect.x = rect.x + rect.width - AlertConstants.MARGIN - AlertConstants.REBOOT_BUTTON_SIZE[0]
self.reboot_btn_rect.y = footer_y
rl.draw_rectangle_rounded(self.reboot_btn_rect, 0.3, 10, AlertColors.BUTTON)
text = "Reboot and Update"
text_width = measure_text_cached(font, text, AlertConstants.FONT_SIZE).x
text_x = self.reboot_btn_rect.x + (AlertConstants.REBOOT_BUTTON_SIZE[0] - text_width) // 2
text_y = self.reboot_btn_rect.y + (AlertConstants.REBOOT_BUTTON_SIZE[1] - AlertConstants.FONT_SIZE) // 2
rl.draw_text_ex(
font, text, rl.Vector2(int(text_x), int(text_y)), AlertConstants.FONT_SIZE, 0, AlertColors.BUTTON_TEXT
)
class OffroadAlert(AbstractAlert):
def __init__(self):
super().__init__(has_reboot_btn=False)
self.sorted_alerts: list[AlertData] = []
def refresh(self):
if not self.sorted_alerts:
self._build_alerts()
active_count = 0
connectivity_needed = False
for alert_data in self.sorted_alerts:
text = ""
bytes_data = self.params.get(alert_data.key)
if bytes_data:
try:
alert_json = json.loads(bytes_data)
text = alert_json.get("text", "").replace("{}", alert_json.get("extra", ""))
except json.JSONDecodeError:
text = ""
alert_data.text = text
alert_data.visible = bool(text)
if alert_data.visible:
active_count += 1
if alert_data.key == "Offroad_ConnectivityNeeded" and alert_data.visible:
connectivity_needed = True
self.snooze_visible = connectivity_needed
return active_count
def get_content_height(self) -> float:
if not self.sorted_alerts:
return 0
total_height = 20
font = gui_app.font(FontWeight.NORMAL)
for alert_data in self.sorted_alerts:
if not alert_data.visible:
continue
text_width = int(self.content_rect.width - 90)
wrapped_lines = wrap_text(font, alert_data.text, AlertConstants.FONT_SIZE, text_width)
line_count = len(wrapped_lines)
text_height = line_count * (AlertConstants.FONT_SIZE + 5)
alert_item_height = max(text_height + 40, AlertConstants.ALERT_HEIGHT)
total_height += alert_item_height + AlertConstants.ALERT_SPACING
if total_height > 20:
total_height = total_height - AlertConstants.ALERT_SPACING + 20
return total_height
def _build_alerts(self):
self.sorted_alerts = []
try:
with open("../selfdrived/alerts_offroad.json", "rb") as f:
alerts_config = json.load(f)
for key, config in sorted(alerts_config.items(), key=lambda x: x[1].get("severity", 0), reverse=True):
severity = config.get("severity", 0)
alert_data = AlertData(key=key, text="", severity=severity)
self.sorted_alerts.append(alert_data)
except (FileNotFoundError, json.JSONDecodeError):
pass
def _render_content(self, content_rect: rl.Rectangle):
y_offset = 20
font = gui_app.font(FontWeight.NORMAL)
for alert_data in self.sorted_alerts:
if not alert_data.visible:
continue
bg_color = AlertColors.HIGH_SEVERITY if alert_data.severity > 0 else AlertColors.LOW_SEVERITY
text_width = int(content_rect.width - 90)
wrapped_lines = wrap_text(font, alert_data.text, AlertConstants.FONT_SIZE, text_width)
line_count = len(wrapped_lines)
text_height = line_count * (AlertConstants.FONT_SIZE + 5)
alert_item_height = max(text_height + 40, AlertConstants.ALERT_HEIGHT)
alert_rect = rl.Rectangle(
content_rect.x + 10,
content_rect.y + y_offset,
content_rect.width - 30,
alert_item_height,
)
rl.draw_rectangle_rounded(alert_rect, 0.2, 10, bg_color)
text_x = alert_rect.x + 30
text_y = alert_rect.y + 20
for i, line in enumerate(wrapped_lines):
rl.draw_text_ex(
font,
line,
rl.Vector2(text_x, text_y + i * (AlertConstants.FONT_SIZE + 5)),
AlertConstants.FONT_SIZE,
0,
AlertColors.TEXT,
)
y_offset += alert_item_height + AlertConstants.ALERT_SPACING
class UpdateAlert(AbstractAlert):
def __init__(self):
super().__init__(has_reboot_btn=True)
self.release_notes = ""
self._wrapped_release_notes = ""
self._cached_content_height: float = 0.0
def refresh(self) -> bool:
update_available: bool = self.params.get_bool("UpdateAvailable")
if update_available:
self.release_notes = self.params.get("UpdaterNewReleaseNotes", encoding='utf-8')
self._cached_content_height = 0
return update_available
def get_content_height(self) -> float:
if not self.release_notes:
return 100
if self._cached_content_height == 0:
self._wrapped_release_notes = self.release_notes
size = measure_text_cached(gui_app.font(FontWeight.NORMAL), self._wrapped_release_notes, AlertConstants.FONT_SIZE)
self._cached_content_height = max(size.y + 60, 100)
return self._cached_content_height
def _render_content(self, content_rect: rl.Rectangle):
if self.release_notes:
rl.draw_text_ex(
gui_app.font(FontWeight.NORMAL),
self._wrapped_release_notes,
rl.Vector2(content_rect.x + 30, content_rect.y + 30),
AlertConstants.FONT_SIZE,
0.0,
AlertColors.TEXT,
)
else:
no_notes_text = "No release notes available."
text_width = rl.measure_text(no_notes_text, AlertConstants.FONT_SIZE)
text_x = content_rect.x + (content_rect.width - text_width) // 2
text_y = content_rect.y + 50
rl.draw_text(no_notes_text, int(text_x), int(text_y), AlertConstants.FONT_SIZE, AlertColors.TEXT)