py: Create file manager app

python_payload/apps/fil3s/common/action_view.py

+from st3m.goose import Optional
+from st3m.input import InputController, InputState
+from st3m.ui.view import BaseView, ViewManager, ViewTransitionSwipeRight
+from ctx import Context
+
+from ..common import utils
+from ..common import theme
+
+from math import pi, sin, cos
+
+
+class Action:
+    icon: str
+    label: str
+    enabled: bool
+
+    def __init__(self, icon: str, label: str, enabled: bool = True) -> None:
+        self.icon = icon
+        self.label = label
+        self.enabled = enabled
+
+
+class ActionView(BaseView):
+    """
+    A View with an action on each top petal.
+
+    Each action is represented by a circular icon button and can either be
+    enabled, disabled or not assigned.
+    """
+
+    actions: list[Optional[Action]] = [
+        None,
+        None,
+        None,
+        None,
+        None,
+    ]
+
+    action_x: list[int] = [0] * 5
+    action_y: list[int] = [0] * 5
+
+    input: InputController
+
+    def __init__(self) -> None:
+        super().__init__()
+
+        self.input = InputController()
+
+        for i in range(0, 5):
+            petal_angle = 2.0 * pi / 5.0
+            self.action_x[i] = int(cos(-petal_angle * float(i) - pi / 2.0) * 100.0)
+            self.action_y[i] = int(sin(-petal_angle * float(i) - pi / 2.0) * 100.0)
+
+    def on_enter(self, vm: ViewManager | None) -> None:
+        super().on_enter(vm)
+
+    def think(self, ins: InputState, delta_ms: int) -> None:
+        self.input.think(ins, delta_ms)
+
+    def draw(self, ctx: Context) -> None:
+        for i in range(0, 5):
+            action = self.actions[i]
+
+            if action is None:
+                continue
+
+            if action.enabled:
+                utils.draw_circle(
+                    ctx, theme.PRIMARY, self.action_x[i], self.action_y[i], 18
+                )
+            else:
+                utils.draw_circle(
+                    ctx, theme.PRIMARY, self.action_x[i], self.action_y[i], 18
+                )
+                utils.draw_circle(
+                    ctx, theme.BACKGROUND, self.action_x[i], self.action_y[i], 17
+                )
+
+        ctx.save()
+        ctx.text_align = ctx.CENTER
+        ctx.text_baseline = ctx.HANGING
+        ctx.font_size = 30
+        ctx.font = "Material Icons"
+        ctx.rgb(*theme.PRIMARY_TEXT)
+
+        for i in range(0, 5):
+            action = self.actions[i]
+            if action is None:
+                continue
+
+            if not action.enabled:
+                continue
+
+            ctx.move_to(self.action_x[i], self.action_y[i] - 2)
+            ctx.text(action.icon)
+        ctx.restore()