Breadcrumb

This commit is contained in:
firestarsdog
2026-08-23 04:28:04 -04:00
parent 17e5542b1b
commit 58e919c264
3 changed files with 228 additions and 144 deletions
@@ -1109,6 +1109,7 @@ class BreadcrumbController:
self._expanded: bool = False
self._expand_alpha: float = 0.0
self._last_interact: float = 0.0
self._bounds: rl.Rectangle | None = None
@property
def rects(self) -> dict[str, rl.Rectangle]:
@@ -1126,17 +1127,17 @@ class BreadcrumbController:
def expand_alpha(self) -> float:
return self._expand_alpha
def init_interaction(self, mouse_pos: MousePos, *, pad_x: float = 12, pad_y: float = 12) -> None:
target = resolve_interactive_target(mouse_pos, self._rects, None, pad_x=pad_x, pad_y=pad_y)
def init_interaction(self, mouse_pos: MousePos, *, pad_x: float = 12, pad_y: float = 16) -> None:
target = resolve_interactive_target(mouse_pos, self._rects, self._bounds, pad_x=pad_x, pad_y=pad_y)
if target:
self._pressed = target
def update_interaction(self, mouse_pos: MousePos, *, pad_x: float = 12, pad_y: float = 12) -> None:
if self._pressed and resolve_interactive_target(mouse_pos, self._rects, None, pad_x=pad_x, pad_y=pad_y) != self._pressed:
def update_interaction(self, mouse_pos: MousePos, *, pad_x: float = 12, pad_y: float = 16) -> None:
if self._pressed and resolve_interactive_target(mouse_pos, self._rects, self._bounds, pad_x=pad_x, pad_y=pad_y) != self._pressed:
self._pressed = None
def finish_interaction(self, mouse_pos: MousePos, *, pad_x: float = 12, pad_y: float = 12) -> str | None:
target = resolve_interactive_target(mouse_pos, self._rects, None, pad_x=pad_x, pad_y=pad_y)
def finish_interaction(self, mouse_pos: MousePos, *, pad_x: float = 12, pad_y: float = 16) -> str | None:
target = resolve_interactive_target(mouse_pos, self._rects, self._bounds, pad_x=pad_x, pad_y=pad_y)
if target and target == self._pressed:
self._pressed = None
return target
@@ -1159,7 +1160,7 @@ class BreadcrumbController:
from openpilot.selfdrive.ui.layouts.settings.starpilot.panel import StarPilotPanelType
layout = getattr(main_panel.StarPilotLayout, "active_instance", None)
if not layout:
return
return
nav_stack = getattr(gui_app, "_nav_stack", [])
@@ -1173,7 +1174,6 @@ class BreadcrumbController:
gui_app.pop_widget()
layout.navigate_to_hub_depth(target_depth)
elif target == "action:category":
# Compatibility with the former single-category breadcrumb action.
while len(nav_stack) > 1:
gui_app.pop_widget()
if getattr(layout, "_hub_path", None):
@@ -1193,6 +1193,8 @@ class BreadcrumbController:
while len(nav_stack) > target_idx + 1:
gui_app.pop_widget()
elif target.startswith("action:panel_stack:"):
while len(nav_stack) > 1:
gui_app.pop_widget()
target_idx = int(target.split(":")[-1])
while len(layout._panel_stack) > target_idx + 1:
layout._panel_stack.pop()
@@ -1206,7 +1208,7 @@ class BreadcrumbController:
path = [(tr("StarPilot"), "action:home")]
if not layout:
return path
return path
hub_path = getattr(layout, "_hub_path", [])
for i, folder in enumerate(hub_path, start=1):
@@ -1225,20 +1227,21 @@ class BreadcrumbController:
for i, widget in enumerate(pushed_widgets):
if hasattr(widget, '_header_title') and widget._header_title:
path.append((widget._header_title, f"action:nav_stack:{i+1}"))
path.append((tr(widget._header_title), f"action:nav_stack:{i+1}"))
for i, (panel_type, sub_panel_name) in enumerate(layout._panel_stack):
panel = layout._panels[panel_type].instance
if not panel or not hasattr(panel, '_sub_panels') or sub_panel_name not in panel._sub_panels:
continue
sub = panel._sub_panels[sub_panel_name]
label = sub._header_title if hasattr(sub, '_header_title') and sub._header_title else sub_panel_name
label = tr(sub._header_title) if hasattr(sub, '_header_title') and sub._header_title else tr(sub_panel_name)
path.append((label, f"action:panel_stack:{i}"))
return path
def draw(self, rect: rl.Rectangle) -> None:
def draw(self, rect: rl.Rectangle, *, bg_color: rl.Color = rl.Color(12, 10, 18, 255)) -> None:
self._rects.clear()
self._bounds = rect
path = self.build_path()
if not path:
return
@@ -1248,106 +1251,109 @@ class BreadcrumbController:
if self._expanded and now - self._last_interact > self.EXPAND_DURATION:
self._expanded = False
ANIM_LERP = 0.2
FADE_THRESH = 0.01
ANIM_LERP = 0.2
target = 1.0 if self._expanded else 0.0
self._expand_alpha += (target - self._expand_alpha) * ANIM_LERP
ACTIVE_SIZE = 48
PAST_SIZE = 40
CHEVRON_SIZE = 30
CHEVRON_W = 26
GAP = 20
ACTIVE_SIZE = 34
PAST_SIZE = 28
MIN_ACTIVE_SIZE = 26
CHEVRON_SIZE = 20
CHEVRON_W = 12
GAP = 12
LEFT_INSET = 34
CAPSULE_W = 64
CAPSULE_H = 34
center_y = rect.y + rect.height / 2
color_sep = rl.Color(110, 112, 138, 200)
active_normal = rl.Color(252, 252, 255, 255)
active_hover = rl.Color(252, 252, 255, 255)
active_pressed = rl.Color(200, 200, 200, 255)
past_normal = rl.Color(148, 142, 168, 255)
past_hover = rl.Color(168, 163, 188, 255)
past_pressed = rl.Color(190, 185, 215, 255)
home_normal = rl.Color(168, 163, 188, 255)
home_hover = rl.Color(188, 183, 208, 255)
home_pressed = rl.Color(210, 205, 230, 255)
color_sep = rl.Color(140, 150, 175, 220)
active_normal = AetherListColors.HEADER
past_normal = AetherListColors.SUBTEXT
past_hover = AetherListColors.HEADER
past_pressed = rl.Color(190, 185, 215, 255)
mouse_pos = gui_app.last_mouse_event.pos
MIN_ACTIVE_SIZE = 30
CAPSULE_W = 92
capsule_need = CAPSULE_W + GAP + CHEVRON_W + GAP
sep = GAP + CHEVRON_W + GAP
capsule_need = CAPSULE_W + sep
available_w = rect.width - LEFT_INSET - 24
active_size = ACTIVE_SIZE
med_font = gui_app.font(FontWeight.MEDIUM)
semi_font = gui_app.font(FontWeight.SEMI_BOLD)
k = len(path)
if self._expanded:
display_path = list(path)
display_path = [(item[0], item[1], ACTIVE_SIZE if i == k - 1 else PAST_SIZE, False) for i, item in enumerate(path)]
overflow_alpha = max(0.0, 1.0 - self._expand_alpha)
elif k == 1:
display_path = [(path[0][0], path[0][1], ACTIVE_SIZE, False)]
overflow_alpha = 0.0
else:
active = path[-1]
med_font = gui_app.font(FontWeight.MEDIUM)
active_ts = measure_text_cached(gui_app.font(FontWeight.BOLD), active[0], ACTIVE_SIZE)
remaining = rect.width - 20 - active_ts.x - GAP
past_w_sum = sum(measure_text_cached(med_font, item[0], PAST_SIZE).x for item in path[:-1]) + (k - 1) * sep
active_text, active_action = path[-1]
direct_fit = False
active_size = ACTIVE_SIZE
while remaining < capsule_need and active_size > MIN_ACTIVE_SIZE:
active_size -= 6
active_ts = measure_text_cached(gui_app.font(FontWeight.BOLD), active[0], active_size)
remaining = rect.width - 20 - active_ts.x - GAP
for f in (34, 32, 30, 28, 26):
w_active = measure_text_cached(semi_font, active_text, f).x
if past_w_sum + w_active <= available_w:
active_size = f
direct_fit = True
break
if remaining < capsule_need:
display_path = [active]
if direct_fit:
display_path = [(item[0], item[1], PAST_SIZE, False) for item in path[:-1]] + [(active_text, active_action, active_size, False)]
overflow_alpha = 0.0
else:
budget = remaining - capsule_need
sep = GAP + CHEVRON_W + GAP
before = []
for i in range(len(path) - 2, -1, -1):
slot = budget - sep
if slot <= 0:
break
full_text, action = path[i]
full_ts = measure_text_cached(med_font, full_text, PAST_SIZE)
if full_ts.x <= slot:
before.insert(0, (full_text, action))
budget -= full_ts.x + sep
else:
trunc = truncate_text_ellipsis(med_font, full_text, slot, PAST_SIZE)
visible = trunc.removesuffix("...").rstrip()
if len(visible) < 3:
break
before.insert(0, (trunc, action))
budget -= measure_text_cached(med_font, trunc, PAST_SIZE).x + sep
active_size = MIN_ACTIVE_SIZE
w_active = measure_text_cached(semi_font, active_text, active_size).x
w_active_max = available_w - capsule_need
hidden = len(path) - 1 - len(before)
if hidden > 0:
display_path = [("...", "action:breadcrumb_history")] + before + [active]
if w_active > w_active_max and w_active_max > 60:
active_text = truncate_text_ellipsis(semi_font, active_text, w_active_max, active_size)
w_active = measure_text_cached(semi_font, active_text, active_size).x
display_path = [("...", "action:breadcrumb_history", PAST_SIZE, True), (active_text, active_action, active_size, False)]
else:
display_path = before + [active]
overflow_alpha = 1.0
ancestor_budget = available_w - w_active - capsule_need
ancestors = []
for i in range(k - 2, -1, -1):
item_text, item_action = path[i]
item_w = measure_text_cached(med_font, item_text, PAST_SIZE).x
slot_needed = item_w + sep
if slot_needed <= ancestor_budget:
ancestors.insert(0, (item_text, item_action, PAST_SIZE, False))
ancestor_budget -= slot_needed
else:
slot = ancestor_budget - sep
if slot > 30:
trunc = truncate_text_ellipsis(med_font, item_text, slot, PAST_SIZE)
visible = trunc.removesuffix("...").rstrip()
if len(visible) >= 3:
ancestors.insert(0, (trunc, item_action, PAST_SIZE, False))
break
current_x = rect.x + 20
display_path = [("...", "action:breadcrumb_history", PAST_SIZE, True)] + ancestors + [(active_text, active_action, active_size, False)]
overflow_alpha = max(0.0, 1.0 - self._expand_alpha)
current_x = rect.x + LEFT_INSET
aether_begin_scissor_mode(int(rect.x), int(rect.y), int(rect.width), int(rect.height))
for i, (text, action) in enumerate(display_path):
is_last = (i == len(display_path) - 1)
is_first = (i == 0)
is_overflow = (action == "action:breadcrumb_history")
pressed = self._pressed == action
for i, (text, action, font_size, is_capsule) in enumerate(display_path):
is_last = (i == len(display_path) - 1)
pressed = (self._pressed == action)
if is_overflow:
if overflow_alpha <= FADE_THRESH:
if is_capsule:
if overflow_alpha <= 0.01:
current_x += GAP
continue
capsule_w, capsule_h = CAPSULE_W, 48
cap_rect = rl.Rectangle(current_x, center_y - capsule_h / 2, capsule_w, capsule_h)
hovered = point_hits(mouse_pos, cap_rect, None, pad_x=4, pad_y=6)
# Only add to interactive rects if it's visible within the bounds
cap_rect = rl.Rectangle(current_x, center_y - CAPSULE_H / 2, CAPSULE_W, CAPSULE_H)
touch_hit = rl.Rectangle(current_x - GAP / 2, rect.y, CAPSULE_W + GAP, rect.height)
hovered = bool(point_hits(mouse_pos, touch_hit, rect, pad_x=0, pad_y=0))
if cap_rect.x < rect.x + rect.width:
self._rects[action] = cap_rect
self._rects[action] = touch_hit
oa = overflow_alpha
if pressed:
@@ -1361,10 +1367,10 @@ class BreadcrumbController:
glow = rl.Color(148, 142, 168, int(60 * oa))
dots_c = rl.Color(255, 255, 255, int(255 * oa))
else:
fill = rl.Color(28, 26, 38, int(160 * oa))
outline = rl.Color(120, 115, 160, int(60 * oa))
glow = rl.Color(120, 115, 160, int(20 * oa))
dots_c = rl.Color(190, 180, 220, int(180 * oa))
fill = rl.Color(24, 20, 36, int(180 * oa))
outline = rl.Color(120, 115, 160, int(70 * oa))
glow = rl.Color(120, 115, 160, int(25 * oa))
dots_c = rl.Color(200, 210, 225, int(200 * oa))
if oa > 0.05:
rl.draw_rectangle_rounded_lines_ex(
@@ -1373,47 +1379,28 @@ class BreadcrumbController:
rl.draw_rectangle_rounded(cap_rect, 1.0, 16, fill)
rl.draw_rectangle_rounded_lines_ex(cap_rect, 1.0, 16, 1.0, outline)
font_dots = gui_app.font(FontWeight.BOLD)
dots_ts = measure_text_cached(font_dots, "...", 34)
font_dots = gui_app.font(FontWeight.SEMI_BOLD)
dots_ts = measure_text_cached(font_dots, "...", 24)
rl.draw_text_ex(font_dots, "...",
rl.Vector2(cap_rect.x + (cap_rect.width - dots_ts.x) / 2, center_y - dots_ts.y / 2),
34, 0, dots_c)
current_x += capsule_w + GAP
24, 0, dots_c)
current_x += CAPSULE_W + GAP
else:
item_alpha = 255
if is_last:
font = gui_app.font(FontWeight.BOLD)
font_size = active_size
c_normal = rl.Color(252, 252, 255, item_alpha)
c_hover = rl.Color(252, 252, 255, item_alpha)
c_pressed = rl.Color(200, 200, 200, item_alpha)
elif is_first:
font = gui_app.font(FontWeight.MEDIUM)
font_size = PAST_SIZE
c_normal = rl.Color(home_normal.r, home_normal.g, home_normal.b, item_alpha)
c_hover = rl.Color(home_hover.r, home_hover.g, home_hover.b, item_alpha)
c_pressed = rl.Color(home_pressed.r, home_pressed.g, home_pressed.b, item_alpha)
else:
font = gui_app.font(FontWeight.MEDIUM)
font_size = PAST_SIZE
c_normal = rl.Color(past_normal.r, past_normal.g, past_normal.b, item_alpha)
c_hover = rl.Color(past_hover.r, past_hover.g, past_hover.b, item_alpha)
c_pressed = rl.Color(past_pressed.r, past_pressed.g, past_pressed.b, item_alpha)
font = semi_font if is_last else med_font
ts = measure_text_cached(font, text, font_size)
hit_rect = rl.Rectangle(current_x - 8, center_y - 38, ts.x + 16, 76)
hovered = point_hits(mouse_pos, hit_rect, None, pad_x=0, pad_y=0)
# Only add to interactive rects if it's visible within the bounds
if hit_rect.x < rect.x + rect.width:
self._rects[action] = hit_rect
touch_hit = rl.Rectangle(current_x - GAP / 2, rect.y, ts.x + GAP, rect.height)
hovered = bool(point_hits(mouse_pos, touch_hit, rect, pad_x=0, pad_y=0))
color = c_pressed if pressed else (c_hover if hovered else c_normal)
if not is_last and touch_hit.x < rect.x + rect.width:
self._rects[action] = touch_hit
color = past_pressed if pressed else (past_hover if hovered else (active_normal if is_last else past_normal))
if hovered and not is_last:
rl.draw_rectangle_rounded(hit_rect, 0.4, 12, rl.Color(255, 255, 255, int(12 * item_alpha / 255)))
highlight_h = 44
highlight_rect = rl.Rectangle(current_x - 6, center_y - highlight_h / 2, ts.x + 12, highlight_h)
rl.draw_rectangle_rounded(highlight_rect, 0.35, 10, rl.Color(255, 255, 255, 14))
text_y = center_y - ts.y / 2
rl.draw_text_ex(font, text, rl.Vector2(current_x, text_y), font_size, 0, color)
@@ -1421,13 +1408,12 @@ class BreadcrumbController:
if i < len(display_path) - 1:
chev_rect = rl.Rectangle(current_x, center_y - CHEVRON_SIZE / 2, CHEVRON_W, CHEVRON_SIZE)
draw_chevron_icon(chev_rect, color_sep, thickness=2.0, direction="right")
draw_breadcrumb_chevron(chev_rect, color_sep, thickness=3.0)
current_x += CHEVRON_W + GAP
if current_x > rect.x + rect.width:
fade_w = 60
if current_x > rect.x + rect.width - 20:
fade_w = 48
fade_x = rect.x + rect.width - fade_w
bg_color = AetherListColors.PANEL_BG
transparent_bg = rl.Color(bg_color.r, bg_color.g, bg_color.b, 0)
rl.draw_rectangle_gradient_h(int(fade_x), int(rect.y), int(fade_w), int(rect.height), transparent_bg, bg_color)
@@ -1812,6 +1798,20 @@ def draw_chevron_icon(rect: rl.Rectangle, color: rl.Color, *, thickness: float =
rl.draw_line_ex(rl.Vector2(left_x, bottom_y), rl.Vector2(right_x, center_y), thickness, color)
def draw_breadcrumb_chevron(rect: rl.Rectangle, color: rl.Color, *, thickness: float = 3.0):
snapped = snap_rect(rect)
center_x = snapped.x + snapped.width / 2
center_y = snapped.y + snapped.height / 2
w = 12.0
h = 20.0
left_x = center_x - w * 0.45
right_x = center_x + w * 0.45
top_y = center_y - h / 2
bottom_y = center_y + h / 2
rl.draw_line_ex(rl.Vector2(left_x, top_y), rl.Vector2(right_x, center_y), thickness, color)
rl.draw_line_ex(rl.Vector2(left_x, bottom_y), rl.Vector2(right_x, center_y), thickness, color)
TAB_HEIGHT = 98
TAB_GAP = 14
TAB_BOTTOM_GAP = 26
@@ -17,7 +17,7 @@ from openpilot.selfdrive.ui.layouts.settings.starpilot.system_settings import St
from openpilot.selfdrive.ui.layouts.settings.starpilot.appearance import StarPilotAppearanceLayout
from openpilot.selfdrive.ui.layouts.settings.starpilot.vehicle import StarPilotVehicleSettingsLayout
from openpilot.selfdrive.ui.layouts.settings.starpilot.aethergrid import TileGrid, HubTile, SPACING, BreadcrumbController, AETHER_LIST_METRICS, AetherListColors, draw_rounded_fill, draw_rounded_stroke
from openpilot.selfdrive.ui.layouts.settings.starpilot.aethergrid import TileGrid, HubTile, SPACING, BreadcrumbController, AETHER_LIST_METRICS, AetherListColors, draw_hud_background
class StarPilotLayout(Widget):
CATEGORIES = [
@@ -280,22 +280,7 @@ class StarPilotLayout(Widget):
# 0. Draw top bar with HubTile-style purple glow
glass_rect = rl.Rectangle(shell_x, rect.y + 2, shell_w, TOP_BAR_HEIGHT - 4)
GLOW = AetherListColors.PRIMARY
BAR_FILL = rl.Color(12, 10, 18, 255)
# 0a. Purple glow rings — 4 concentric, fading outward (HubTile parity)
for i in range(4, 0, -1):
off = i * 2.5
gr = rl.Rectangle(glass_rect.x - off, glass_rect.y - off, glass_rect.width + off * 2, glass_rect.height + off * 2)
a = int(25 * (1.0 - i / 5))
draw_rounded_fill(gr, rl.Color(GLOW.r, GLOW.g, GLOW.b, max(0, min(255, a))), radius_px=34)
# 0b. Dark fill — strict parity with HubTile _HUD_BG_ON
draw_rounded_fill(glass_rect, BAR_FILL, radius_px=34)
# 0c. Full bright purple border — strict parity
draw_rounded_stroke(glass_rect, GLOW, radius_px=34)
draw_hud_background(glass_rect, AetherListColors.PRIMARY, radius_px=34)
# 1. Draw breadcrumbs in top bar
crumb_rect = rl.Rectangle(glass_rect.x, glass_rect.y, glass_rect.width, glass_rect.height)
@@ -319,15 +304,16 @@ class StarPilotLayout(Widget):
self._breadcrumbs.handle_click(action)
def _handle_mouse_event(self, mouse_event):
pass
self._breadcrumbs.update_interaction(mouse_event.pos)
def show_event(self):
super().show_event()
self._breadcrumbs.cancel_interaction()
if self._current_panel != StarPilotPanelType.MAIN:
self._panels[self._current_panel].instance.show_event()
def hide_event(self):
super().hide_event()
self._breadcrumbs.cancel_interaction()
if self._current_panel != StarPilotPanelType.MAIN:
self._panels[self._current_panel].instance.hide_event()
@@ -1,5 +1,54 @@
import sys
import types
from unittest.mock import MagicMock
from types import SimpleNamespace
if "cereal.messaging" not in sys.modules:
try:
import cereal.messaging
except ImportError:
msg_mod = types.ModuleType("cereal.messaging")
msg_mod.SubMaster = MagicMock
msg_mod.PubMaster = MagicMock
sys.modules["cereal.messaging"] = msg_mod
if "openpilot.starpilot.common.starpilot_variables" not in sys.modules:
try:
import openpilot.starpilot.common.starpilot_variables
except ImportError:
sv_mod = types.ModuleType("openpilot.starpilot.common.starpilot_variables")
sv_mod.update_starpilot_toggles = lambda: None
sv_mod.migrate_cancel_button_controls = lambda: None
sv_mod.ACTIVE_THEME_PATH = "/tmp"
sv_mod.THEME_SAVE_PATH = "/tmp"
sv_mod.MODELS_PATH = "/tmp"
sv_mod.EARTH_RADIUS = 6371000
sv_mod.STARPILOT_API = ""
sv_mod.FROGS_GO_MOO_PATH = "/tmp"
sv_mod.KONIK_PATH = "/tmp"
sys.modules["openpilot.starpilot.common.starpilot_variables"] = sv_mod
if "openpilot.common.transformations.orientation" not in sys.modules:
try:
import openpilot.common.transformations.orientation
except ImportError:
trans_mod = types.ModuleType("openpilot.common.transformations.orientation")
trans_mod.rot_from_euler = lambda *a, **k: None
trans_mod.euler_from_rot = lambda *a, **k: None
sys.modules["openpilot.common.transformations.orientation"] = trans_mod
if "openpilot.starpilot.common.accel_profile" not in sys.modules:
try:
import openpilot.starpilot.common.accel_profile
except ImportError:
from collections import defaultdict
accel_mod = types.ModuleType("openpilot.starpilot.common.accel_profile")
accel_mod.ACCELERATION_PROFILES = defaultdict(lambda: 0)
accel_mod.DECELERATION_PROFILES = defaultdict(lambda: 0)
accel_mod.normalize_acceleration_profile = lambda v: v
accel_mod.normalize_deceleration_profile = lambda v: v
sys.modules["openpilot.starpilot.common.accel_profile"] = accel_mod
from openpilot.selfdrive.ui.layouts.settings.starpilot.main_panel import StarPilotLayout
from openpilot.selfdrive.ui.layouts.settings.starpilot.navigation import StarPilotNavigationLayout
from openpilot.selfdrive.ui.layouts.settings.starpilot.panel import StarPilotPanelType
@@ -265,3 +314,52 @@ def test_rejected_search_invalidates_an_in_flight_request_generation():
assert layout._search_generation == 4
assert layout._search_error
def test_breadcrumb_mouse_interaction_lifecycle():
import pyray as rl
from openpilot.system.ui.lib.application import MousePos
controller = BreadcrumbController()
controller._rects = {
"action:home": rl.Rectangle(10, 10, 50, 30),
"action:hub:1": rl.Rectangle(70, 10, 80, 30),
}
controller._bounds = rl.Rectangle(0, 0, 200, 50)
# Press on Home
controller.init_interaction(MousePos(20, 20))
assert controller.pressed == "action:home"
# Move within Home rect -> remains pressed
controller.update_interaction(MousePos(25, 20))
assert controller.pressed == "action:home"
# Drag outside Home rect -> cancels pressed target
controller.update_interaction(MousePos(500, 500))
assert controller.pressed is None
# Re-press and cancel
controller.init_interaction(MousePos(20, 20))
assert controller.pressed == "action:home"
controller.cancel_interaction()
assert controller.pressed is None
def test_breadcrumb_panel_stack_unwinds_nav_stack(monkeypatch):
layout, _ = _make_layout(monkeypatch)
_click_title(layout, "Driving Controls")
_click_title(layout, "Navigation & Maps")
_click_title(layout, "Map Data")
layout._panel_stack.append((StarPilotPanelType.MAPS, "sub1"))
layout._panel_stack.append((StarPilotPanelType.MAPS, "sub2"))
nav_stack = [layout, object(), object()]
monkeypatch.setattr(gui_app, "_nav_stack", nav_stack, raising=False)
monkeypatch.setattr(gui_app, "pop_widget", lambda: nav_stack.pop(), raising=False)
BreadcrumbController().handle_click("action:panel_stack:0")
assert nav_stack == [layout]
assert len(layout._panel_stack) == 1
assert layout._panel_stack[0] == (StarPilotPanelType.MAPS, "sub1")