mirror of
https://github.com/sunnypilot/sunnypilot.git
synced 2026-02-18 22:23:56 +08:00
389 lines
14 KiB
Python
389 lines
14 KiB
Python
import abc
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import pyray as rl
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from enum import IntEnum
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from collections.abc import Callable
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from openpilot.common.filter_simple import BounceFilter, FirstOrderFilter
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from openpilot.system.ui.lib.application import gui_app, MousePos, MAX_TOUCH_SLOTS, MouseEvent
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try:
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from openpilot.selfdrive.ui.ui_state import device
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except ImportError:
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class Device:
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awake = True
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device = Device() # type: ignore
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class DialogResult(IntEnum):
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CANCEL = 0
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CONFIRM = 1
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NO_ACTION = -1
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class Widget(abc.ABC):
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def __init__(self):
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self._rect: rl.Rectangle = rl.Rectangle(0, 0, 0, 0)
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self._parent_rect: rl.Rectangle | None = None
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self.__is_pressed = [False] * MAX_TOUCH_SLOTS
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# if current mouse/touch down started within the widget's rectangle
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self.__tracking_is_pressed = [False] * MAX_TOUCH_SLOTS
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self._enabled: bool | Callable[[], bool] = True
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self._is_visible: bool | Callable[[], bool] = True
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self._touch_valid_callback: Callable[[], bool] | None = None
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self._click_callback: Callable[[], None] | None = None
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self._multi_touch = False
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self.__was_awake = True
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@property
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def rect(self) -> rl.Rectangle:
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return self._rect
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def set_rect(self, rect: rl.Rectangle) -> None:
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changed = (self._rect.x != rect.x or self._rect.y != rect.y or
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self._rect.width != rect.width or self._rect.height != rect.height)
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self._rect = rect
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if changed:
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self._update_layout_rects()
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def set_parent_rect(self, parent_rect: rl.Rectangle) -> None:
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"""Can be used like size hint in QT"""
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self._parent_rect = parent_rect
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@property
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def is_pressed(self) -> bool:
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return any(self.__is_pressed)
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@property
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def enabled(self) -> bool:
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return self._enabled() if callable(self._enabled) else self._enabled
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def set_enabled(self, enabled: bool | Callable[[], bool]) -> None:
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self._enabled = enabled
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@property
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def is_visible(self) -> bool:
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return self._is_visible() if callable(self._is_visible) else self._is_visible
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def set_visible(self, visible: bool | Callable[[], bool]) -> None:
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self._is_visible = visible
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def set_click_callback(self, click_callback: Callable[[], None] | None) -> None:
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"""Set a callback to be called when the widget is clicked."""
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self._click_callback = click_callback
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def set_touch_valid_callback(self, touch_callback: Callable[[], bool]) -> None:
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"""Set a callback to determine if the widget can be clicked."""
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self._touch_valid_callback = touch_callback
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def _touch_valid(self) -> bool:
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"""Check if the widget can be touched."""
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return self._touch_valid_callback() if self._touch_valid_callback else True
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def set_position(self, x: float, y: float) -> None:
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changed = (self._rect.x != x or self._rect.y != y)
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self._rect = rl.Rectangle(x, y, self._rect.width, self._rect.height)
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if changed:
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self._update_layout_rects()
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@property
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def _hit_rect(self) -> rl.Rectangle:
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# restrict touches to within parent rect if set, useful inside Scroller
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if self._parent_rect is None:
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return self._rect
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return rl.get_collision_rec(self._rect, self._parent_rect)
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def render(self, rect: rl.Rectangle = None) -> bool | int | None:
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if rect is not None:
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self.set_rect(rect)
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self._update_state()
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if not self.is_visible:
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return None
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self._layout()
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ret = self._render(self._rect)
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# Keep track of whether mouse down started within the widget's rectangle
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if self.enabled and self.__was_awake:
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self._process_mouse_events()
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self.__was_awake = device.awake
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return ret
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def _process_mouse_events(self) -> None:
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hit_rect = self._hit_rect
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touch_valid = self._touch_valid()
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for mouse_event in gui_app.mouse_events:
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if not self._multi_touch and mouse_event.slot != 0:
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continue
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mouse_in_rect = rl.check_collision_point_rec(mouse_event.pos, hit_rect)
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# Ignores touches/presses that start outside our rect
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# Allows touch to leave the rect and come back in focus if mouse did not release
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if mouse_event.left_pressed and touch_valid:
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if mouse_in_rect:
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self._handle_mouse_press(mouse_event.pos)
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self.__is_pressed[mouse_event.slot] = True
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self.__tracking_is_pressed[mouse_event.slot] = True
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self._handle_mouse_event(mouse_event)
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# Callback such as scroll panel signifies user is scrolling
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elif not touch_valid:
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self.__is_pressed[mouse_event.slot] = False
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self.__tracking_is_pressed[mouse_event.slot] = False
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elif mouse_event.left_released:
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self._handle_mouse_event(mouse_event)
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if self.__is_pressed[mouse_event.slot] and mouse_in_rect:
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self._handle_mouse_release(mouse_event.pos)
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self.__is_pressed[mouse_event.slot] = False
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self.__tracking_is_pressed[mouse_event.slot] = False
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# Mouse/touch is still within our rect
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elif mouse_in_rect:
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if self.__tracking_is_pressed[mouse_event.slot]:
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self.__is_pressed[mouse_event.slot] = True
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self._handle_mouse_event(mouse_event)
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# Mouse/touch left our rect but may come back into focus later
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elif not mouse_in_rect:
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self.__is_pressed[mouse_event.slot] = False
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self._handle_mouse_event(mouse_event)
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def _layout(self) -> None:
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"""Optionally lay out child widgets separately. This is called before rendering."""
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def _update_state(self):
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"""Optionally update the widget's non-layout state. This is called before rendering."""
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@abc.abstractmethod
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def _render(self, rect: rl.Rectangle) -> bool | int | None:
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"""Render the widget within the given rectangle."""
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def _update_layout_rects(self) -> None:
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"""Optionally update any layout rects on Widget rect change."""
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def _handle_mouse_press(self, mouse_pos: MousePos) -> bool:
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"""Optionally handle mouse press events."""
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return False
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def _handle_mouse_release(self, mouse_pos: MousePos) -> bool:
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"""Optionally handle mouse release events."""
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if self._click_callback:
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self._click_callback()
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return False
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def _handle_mouse_event(self, mouse_event: MouseEvent) -> None:
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"""Optionally handle mouse events. This is called before rendering."""
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# Default implementation does nothing, can be overridden by subclasses
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def show_event(self):
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"""Optionally handle show event. Parent must manually call this"""
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def hide_event(self):
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"""Optionally handle hide event. Parent must manually call this"""
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SWIPE_AWAY_THRESHOLD = 80 # px to dismiss after releasing
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START_DISMISSING_THRESHOLD = 40 # px to start dismissing while dragging
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BLOCK_SWIPE_AWAY_THRESHOLD = 60 # px horizontal movement to block swipe away
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NAV_BAR_MARGIN = 6
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NAV_BAR_WIDTH = 205
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NAV_BAR_HEIGHT = 8
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DISMISS_PUSH_OFFSET = 50 + NAV_BAR_MARGIN + NAV_BAR_HEIGHT # px extra to push down when dismissing
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DISMISS_TIME_SECONDS = 1.5
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class NavBar(Widget):
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def __init__(self):
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super().__init__()
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self.set_rect(rl.Rectangle(0, 0, NAV_BAR_WIDTH, NAV_BAR_HEIGHT))
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self._alpha = 1.0
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self._alpha_filter = FirstOrderFilter(1.0, 0.1, 1 / gui_app.target_fps)
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self._fade_time = 0.0
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def set_alpha(self, alpha: float) -> None:
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self._alpha = alpha
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self._fade_time = rl.get_time()
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def show_event(self):
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super().show_event()
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self._alpha = 1.0
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self._alpha_filter.x = 1.0
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self._fade_time = rl.get_time()
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def _render(self, _):
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if rl.get_time() - self._fade_time > DISMISS_TIME_SECONDS:
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self._alpha = 0.0
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alpha = self._alpha_filter.update(self._alpha)
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# white bar with black border
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rl.draw_rectangle_rounded(self._rect, 1.0, 6, rl.Color(255, 255, 255, int(255 * 0.9 * alpha)))
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rl.draw_rectangle_rounded_lines_ex(self._rect, 1.0, 6, 2, rl.Color(0, 0, 0, int(255 * 0.3 * alpha)))
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class NavWidget(Widget, abc.ABC):
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"""
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A full screen widget that supports back navigation by swiping down from the top.
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"""
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BACK_TOUCH_AREA_PERCENTAGE = 0.65
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def __init__(self):
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super().__init__()
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self._back_callback: Callable[[], None] | None = None
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self._back_button_start_pos: MousePos | None = None
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self._swiping_away = False # currently swiping away
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self._can_swipe_away = True # swipe away is blocked after certain horizontal movement
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self._pos_filter = BounceFilter(0.0, 0.1, 1 / gui_app.target_fps, bounce=1)
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self._playing_dismiss_animation = False
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self._trigger_animate_in = False
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self._back_enabled: bool | Callable[[], bool] = True
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self._nav_bar = NavBar()
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self._nav_bar_y_filter = FirstOrderFilter(0.0, 0.1, 1 / gui_app.target_fps)
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self._set_up = False
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@property
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def back_enabled(self) -> bool:
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return self._back_enabled() if callable(self._back_enabled) else self._back_enabled
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def set_back_enabled(self, enabled: bool | Callable[[], bool]) -> None:
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self._back_enabled = enabled
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def set_back_callback(self, callback: Callable[[], None]) -> None:
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self._back_callback = callback
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def _handle_mouse_event(self, mouse_event: MouseEvent) -> None:
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super()._handle_mouse_event(mouse_event)
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if not self.back_enabled:
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self._back_button_start_pos = None
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self._swiping_away = False
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self._can_swipe_away = True
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return
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if mouse_event.left_pressed:
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# user is able to swipe away if starting near top of screen, or anywhere if scroller is at top
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self._pos_filter.update_alpha(0.04)
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in_dismiss_area = mouse_event.pos.y < self._rect.height * self.BACK_TOUCH_AREA_PERCENTAGE
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scroller_at_top = False
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vertical_scroller = False
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# TODO: -20? snapping in WiFi dialog can make offset not be positive at the top
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if hasattr(self, '_scroller'):
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scroller_at_top = self._scroller.scroll_panel.get_offset() >= -20 and not self._scroller._horizontal
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vertical_scroller = not self._scroller._horizontal
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elif hasattr(self, '_scroll_panel'):
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scroller_at_top = self._scroll_panel.get_offset() >= -20 and not self._scroll_panel._horizontal
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vertical_scroller = not self._scroll_panel._horizontal
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# Vertical scrollers need to be at the top to swipe away to prevent erroneous swipes
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if (not vertical_scroller and in_dismiss_area) or scroller_at_top:
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self._can_swipe_away = True
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self._back_button_start_pos = mouse_event.pos
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elif mouse_event.left_down:
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if self._back_button_start_pos is not None:
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# block swiping away if too much horizontal or upward movement
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horizontal_movement = abs(mouse_event.pos.x - self._back_button_start_pos.x) > BLOCK_SWIPE_AWAY_THRESHOLD
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upward_movement = mouse_event.pos.y - self._back_button_start_pos.y < -BLOCK_SWIPE_AWAY_THRESHOLD
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if not self._swiping_away and (horizontal_movement or upward_movement):
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self._can_swipe_away = False
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self._back_button_start_pos = None
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# block horizontal swiping if now swiping away
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if self._can_swipe_away:
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if mouse_event.pos.y - self._back_button_start_pos.y > START_DISMISSING_THRESHOLD: # type: ignore
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self._swiping_away = True
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elif mouse_event.left_released:
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self._pos_filter.update_alpha(0.1)
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# if far enough, trigger back navigation callback
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if self._back_button_start_pos is not None:
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if mouse_event.pos.y - self._back_button_start_pos.y > SWIPE_AWAY_THRESHOLD:
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self._playing_dismiss_animation = True
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self._back_button_start_pos = None
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self._swiping_away = False
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def _update_state(self):
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super()._update_state()
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# Disable self's scroller while swiping away
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if not self._set_up:
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self._set_up = True
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if hasattr(self, '_scroller'):
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original_enabled = self._scroller._enabled
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self._scroller.set_enabled(lambda: not self._swiping_away and (original_enabled() if callable(original_enabled) else
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original_enabled))
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elif hasattr(self, '_scroll_panel'):
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original_enabled = self._scroll_panel.enabled
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self._scroll_panel.set_enabled(lambda: not self._swiping_away and (original_enabled() if callable(original_enabled) else
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original_enabled))
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if self._trigger_animate_in:
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self._pos_filter.x = self._rect.height
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self._nav_bar_y_filter.x = -NAV_BAR_MARGIN - NAV_BAR_HEIGHT
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self._trigger_animate_in = False
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new_y = 0.0
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if self._back_button_start_pos is not None:
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last_mouse_event = gui_app.last_mouse_event
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# push entire widget as user drags it away
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new_y = max(last_mouse_event.pos.y - self._back_button_start_pos.y, 0)
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if new_y < SWIPE_AWAY_THRESHOLD:
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new_y /= 2 # resistance until mouse release would dismiss widget
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if self._swiping_away:
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self._nav_bar.set_alpha(1.0)
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if self._playing_dismiss_animation:
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new_y = self._rect.height + DISMISS_PUSH_OFFSET
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new_y = round(self._pos_filter.update(new_y))
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if abs(new_y) < 1 and self._pos_filter.velocity.x == 0.0:
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new_y = self._pos_filter.x = 0.0
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if new_y > self._rect.height + DISMISS_PUSH_OFFSET - 10:
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if self._back_callback is not None:
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self._back_callback()
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self._playing_dismiss_animation = False
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self._back_button_start_pos = None
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self._swiping_away = False
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self.set_position(self._rect.x, new_y)
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def render(self, rect: rl.Rectangle = None) -> bool | int | None:
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ret = super().render(rect)
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if self.back_enabled:
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bar_x = self._rect.x + (self._rect.width - self._nav_bar.rect.width) / 2
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if self._back_button_start_pos is not None or self._playing_dismiss_animation:
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self._nav_bar_y_filter.x = NAV_BAR_MARGIN + self._pos_filter.x
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else:
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self._nav_bar_y_filter.update(NAV_BAR_MARGIN)
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self._nav_bar.set_position(bar_x, round(self._nav_bar_y_filter.x))
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self._nav_bar.render()
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# draw black above widget when dismissing
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if self._rect.y > 0:
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rl.draw_rectangle(int(self._rect.x), 0, int(self._rect.width), int(self._rect.y), rl.BLACK)
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return ret
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def show_event(self):
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super().show_event()
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# FIXME: we don't know the height of the rect at first show_event since it's before the first render :(
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# so we need this hacky bool for now
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self._trigger_animate_in = True
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self._nav_bar.show_event()
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