119 lines
4.9 KiB
Python
119 lines
4.9 KiB
Python
import tkinter as tk
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from tkinter import ttk
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from typing import Optional
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class SimulationControls(ttk.LabelFrame):
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"""Encapsulates the Live Simulation Engine controls.
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This keeps the UI widgets (Start/Stop, Speed, Update Time, Reset, slider)
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in a focused component. It uses the provided main_view reference for
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callbacks and shared Tk variables to preserve existing behavior while
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keeping the layout code out of `main_view.py`.
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"""
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def __init__(self, parent, main_view):
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super().__init__(parent, text="Live Simulation Engine")
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self.main_view = main_view
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# Use main_view's variables so external code referencing them keeps
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# working unchanged.
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self.time_multiplier_var = getattr(main_view, "time_multiplier_var", tk.StringVar(value="1x"))
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self.update_time = getattr(main_view, "update_time", tk.DoubleVar(value=1.0))
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self.sim_slider_var = getattr(main_view, "sim_slider_var", tk.DoubleVar(value=0.0))
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# Layout grid setup (mirror MainView original layout)
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for i in range(10):
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self.grid_columnconfigure(i, weight=0)
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self.grid_columnconfigure(0, weight=0)
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self.grid_columnconfigure(3, weight=1)
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# Buttons
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self.start_button = ttk.Button(self, text="Start Live", command=self._start)
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self.start_button.grid(row=0, column=0, sticky="w", padx=5, pady=5)
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self.stop_button = ttk.Button(self, text="Stop Live", command=self._stop, state=tk.DISABLED)
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self.stop_button.grid(row=0, column=1, sticky="w", padx=5, pady=5)
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# spacer
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spacer = ttk.Frame(self)
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spacer.grid(row=0, column=3, sticky="ew")
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ttk.Label(self, text="Speed:").grid(row=0, column=4, sticky="e", padx=(10, 2), pady=5)
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self.multiplier_combo = ttk.Combobox(
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self,
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textvariable=self.time_multiplier_var,
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values=["1x", "2x", "4x", "10x", "20x"],
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state="readonly",
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width=4,
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)
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self.multiplier_combo.grid(row=0, column=5, sticky="w", padx=(0, 5), pady=5)
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self.multiplier_combo.bind("<<ComboboxSelected>>", getattr(main_view, "_on_time_multiplier_changed", lambda e=None: None))
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ttk.Label(self, text="Update Time (s):").grid(row=0, column=6, sticky="e", padx=(10, 2), pady=5)
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self.update_time_entry = ttk.Entry(self, textvariable=self.update_time, width=5)
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self.update_time_entry.grid(row=0, column=7, sticky="w", padx=(0, 5), pady=5)
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self.reset_button = ttk.Button(self, text="Reset State", command=getattr(main_view, "_on_reset_simulation", lambda: None))
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self.reset_button.grid(row=0, column=8, sticky="e", padx=5, pady=5)
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self.reset_radar_button = ttk.Button(self, text="Reset Radar", command=getattr(main_view, "_reset_radar_state", lambda: None))
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self.reset_radar_button.grid(row=0, column=9, sticky="e", padx=5, pady=5)
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# Progress slider row
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progress_frame = ttk.Frame(self)
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progress_frame.grid(row=1, column=0, columnspan=10, sticky="ew", padx=5, pady=(6, 2))
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progress_frame.grid_columnconfigure(0, weight=1)
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progress_frame.grid_columnconfigure(1, weight=0)
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self.sim_slider = ttk.Scale(
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progress_frame,
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orient=tk.HORIZONTAL,
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variable=self.sim_slider_var,
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from_=0.0,
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to=1.0,
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command=lambda v: None,
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)
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self.sim_slider.grid(row=0, column=0, sticky="ew", padx=(4, 8))
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# Bind press/release to support seeking (use main_view handler)
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try:
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self.sim_slider.bind("<ButtonPress-1>", lambda e: setattr(main_view, "_slider_is_dragging", True))
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self.sim_slider.bind(
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"<ButtonRelease-1>",
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lambda e: (
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setattr(main_view, "_slider_is_dragging", False),
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getattr(main_view, "_on_seek", lambda: None)(),
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),
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)
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except Exception:
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pass
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labels_frame = ttk.Frame(progress_frame)
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labels_frame.grid(row=0, column=1, sticky="e", padx=(4, 4))
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self.sim_elapsed_label = ttk.Label(labels_frame, text="0.0s", width=8, anchor=tk.E)
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self.sim_elapsed_label.grid(row=0, column=0)
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slash_label = ttk.Label(labels_frame, text="/")
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slash_label.grid(row=0, column=1, padx=(2, 2))
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self.sim_total_label = ttk.Label(labels_frame, text="0.0s", width=8, anchor=tk.W)
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self.sim_total_label.grid(row=0, column=2)
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# Button handlers that delegate to main_view methods
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def _start(self):
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try:
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if hasattr(self.main_view, "_on_start_simulation"):
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self.main_view._on_start_simulation()
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except Exception:
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raise
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def _stop(self):
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try:
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if hasattr(self.main_view, "_on_stop_simulation"):
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self.main_view._on_stop_simulation()
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except Exception:
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raise
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