SXXXXXXX_CppPythonDebug/cpp_python_debug/gui/config_window.py

314 lines
18 KiB
Python

# File: cpp_python_debug/gui/config_window.py
# Provides a Toplevel window for configuring application settings.
import tkinter as tk
from tkinter import ttk, filedialog, messagebox
import logging
from typing import TYPE_CHECKING
import os
if TYPE_CHECKING:
from ..core.config_manager import AppSettings # To avoid circular import for type hinting
from .main_window import GDBGui # For parent type hint
logger = logging.getLogger(__name__)
class ConfigWindow(tk.Toplevel):
"""
A Toplevel window for viewing and editing application settings.
"""
def __init__(self, parent: 'GDBGui', app_settings: 'AppSettings'):
"""
Initializes the configuration window.
Args:
parent: The parent Tkinter window.
app_settings: The AppSettings instance managing configurations.
"""
super().__init__(parent)
self.parent_window = parent
self.app_settings = app_settings
self.title("Application Configuration")
# Load geometry from AppSettings, provide a default
default_geometry = "650x550" # Adjusted for more content
self.geometry(self.app_settings.get_setting("gui", "config_window_geometry", default_geometry))
# Make the window modal (optional, but common for config dialogs)
self.transient(parent) # Keep on top of parent
self.grab_set() # Direct all events to this window
# StringVars for editable settings
# General Paths
self.gdb_exe_path_var = tk.StringVar()
self.gdb_dumper_script_path_var = tk.StringVar()
# Timeouts (will use Spinbox or validated Entry)
self.timeout_gdb_start_var = tk.StringVar()
self.timeout_gdb_command_var = tk.StringVar()
self.timeout_program_run_var = tk.StringVar()
self.timeout_dump_variable_var = tk.StringVar()
self.timeout_kill_program_var = tk.StringVar()
self.timeout_gdb_quit_var = tk.StringVar()
# Dumper Options
self.dumper_max_array_elements_var = tk.StringVar()
self.dumper_max_recursion_depth_var = tk.StringVar()
self.dumper_max_string_length_var = tk.StringVar()
self._load_current_settings_to_vars()
self._create_widgets()
self.protocol("WM_DELETE_WINDOW", self._on_closing_button) # Handle window X button
def _load_current_settings_to_vars(self):
"""Loads settings from AppSettings into the Tkinter StringVars."""
logger.debug("Loading current settings into ConfigWindow StringVars.")
# General
self.gdb_exe_path_var.set(self.app_settings.get_setting("general", "gdb_executable_path", "gdb"))
self.gdb_dumper_script_path_var.set(self.app_settings.get_setting("general", "gdb_dumper_script_path", ""))
# Timeouts
self.timeout_gdb_start_var.set(str(self.app_settings.get_setting("timeouts", "gdb_start", 30)))
self.timeout_gdb_command_var.set(str(self.app_settings.get_setting("timeouts", "gdb_command", 30)))
self.timeout_program_run_var.set(str(self.app_settings.get_setting("timeouts", "program_run_continue", 120)))
self.timeout_dump_variable_var.set(str(self.app_settings.get_setting("timeouts", "dump_variable", 60)))
self.timeout_kill_program_var.set(str(self.app_settings.get_setting("timeouts", "kill_program", 20)))
self.timeout_gdb_quit_var.set(str(self.app_settings.get_setting("timeouts", "gdb_quit", 10)))
# Dumper Options
self.dumper_max_array_elements_var.set(str(self.app_settings.get_setting("dumper_options", "max_array_elements", 100)))
self.dumper_max_recursion_depth_var.set(str(self.app_settings.get_setting("dumper_options", "max_recursion_depth", 10)))
self.dumper_max_string_length_var.set(str(self.app_settings.get_setting("dumper_options", "max_string_length", 2048)))
def _create_widgets(self):
"""Creates and lays out widgets for the configuration window."""
main_frame = ttk.Frame(self, padding="10")
main_frame.pack(expand=True, fill=tk.BOTH)
notebook = ttk.Notebook(main_frame)
notebook.pack(expand=True, fill=tk.BOTH, pady=5)
# --- Paths Tab ---
paths_frame = ttk.Frame(notebook, padding="10")
notebook.add(paths_frame, text="Paths")
self._create_paths_widgets(paths_frame)
# --- Timeouts Tab ---
timeouts_frame = ttk.Frame(notebook, padding="10")
notebook.add(timeouts_frame, text="Timeouts (seconds)")
self._create_timeouts_widgets(timeouts_frame)
# --- Dumper Tab ---
dumper_frame = ttk.Frame(notebook, padding="10")
notebook.add(dumper_frame, text="Dumper Options")
self._create_dumper_widgets(dumper_frame)
# --- Buttons Frame ---
button_frame = ttk.Frame(main_frame, padding=(0, 10, 0, 0))
button_frame.pack(fill=tk.X, side=tk.BOTTOM)
ttk.Button(button_frame, text="Save", command=self._apply_and_save_settings).pack(side=tk.RIGHT, padx=5)
ttk.Button(button_frame, text="Cancel", command=self._cancel).pack(side=tk.RIGHT)
# ttk.Button(button_frame, text="Apply", command=self._apply_settings).pack(side=tk.RIGHT, padx=5) # Optional Apply
def _create_paths_widgets(self, parent_frame: ttk.Frame):
"""Creates widgets for path configurations."""
paths_config_frame = ttk.LabelFrame(parent_frame, text="Executable and Script Paths", padding="10")
paths_config_frame.pack(expand=True, fill=tk.X, pady=5)
paths_config_frame.columnconfigure(1, weight=1)
row_idx = 0
# GDB Executable
ttk.Label(paths_config_frame, text="GDB Executable:").grid(row=row_idx, column=0, sticky=tk.W, padx=5, pady=3)
ttk.Entry(paths_config_frame, textvariable=self.gdb_exe_path_var).grid(row=row_idx, column=1, sticky=(tk.W, tk.E), padx=5, pady=3)
ttk.Button(paths_config_frame, text="Browse...",
command=lambda: self._browse_file(self.gdb_exe_path_var, "Select GDB Executable", [("Executable files", "*.exe"), ("All files", "*.*")])
).grid(row=row_idx, column=2, padx=5, pady=3)
row_idx += 1
# GDB Dumper Script
ttk.Label(paths_config_frame, text="GDB Dumper Script:").grid(row=row_idx, column=0, sticky=tk.W, padx=5, pady=3)
ttk.Entry(paths_config_frame, textvariable=self.gdb_dumper_script_path_var).grid(row=row_idx, column=1, sticky=(tk.W, tk.E), padx=5, pady=3)
ttk.Button(paths_config_frame, text="Browse...",
command=lambda: self._browse_file(self.gdb_dumper_script_path_var, "Select GDB Python Dumper Script", [("Python files", "*.py"), ("All files", "*.*")])
).grid(row=row_idx, column=2, padx=5, pady=3)
# row_idx += 1
# Add other path-related settings here if any in the future
def _create_timeouts_widgets(self, parent_frame: ttk.Frame):
"""Creates widgets for timeout configurations using Spinbox for integer input."""
timeouts_config_frame = ttk.LabelFrame(parent_frame, text="GDB Operation Timeouts", padding="10")
timeouts_config_frame.pack(expand=True, fill=tk.X, pady=5)
timeouts_config_frame.columnconfigure(1, weight=1) # Allow Spinboxes to align
timeout_settings = [
("GDB Start:", self.timeout_gdb_start_var, "Timeout for GDB process to start and respond."),
("GDB Command:", self.timeout_gdb_command_var, "Default timeout for generic GDB commands."),
("Program Run/Continue:", self.timeout_program_run_var, "Timeout for 'run' or 'continue' commands."),
("Dump Variable:", self.timeout_dump_variable_var, "Timeout for the 'dump_json' operation."),
("Kill Program:", self.timeout_kill_program_var, "Timeout for GDB to confirm program termination via 'kill'."),
("GDB Quit:", self.timeout_gdb_quit_var, "Timeout for GDB to exit after 'quit' command."),
]
for i, (label_text, var, tooltip_text) in enumerate(timeout_settings):
ttk.Label(timeouts_config_frame, text=label_text).grid(row=i, column=0, sticky=tk.W, padx=5, pady=3)
# Using Spinbox for integer input with a reasonable range
spinbox = ttk.Spinbox(timeouts_config_frame, textvariable=var, from_=1, to=3600, increment=1, width=10)
spinbox.grid(row=i, column=1, sticky=tk.W, padx=5, pady=3) # Changed to sticky W
if tooltip_text: # Simple tooltip (can be enhanced with a dedicated tooltip library)
ttk.Label(timeouts_config_frame, text=f"({tooltip_text})", foreground="gray", font=("TkDefaultFont", 8)).grid(row=i, column=2, sticky=tk.W, padx=5, pady=3)
def _create_dumper_widgets(self, parent_frame: ttk.Frame):
"""Creates widgets for GDB dumper script configurations."""
dumper_config_frame = ttk.LabelFrame(parent_frame, text="GDB Python Dumper Script Options", padding="10")
dumper_config_frame.pack(expand=True, fill=tk.X, pady=5)
dumper_config_frame.columnconfigure(1, weight=1)
dumper_settings = [
("Max Array Elements:", self.dumper_max_array_elements_var, "Max elements to dump from arrays/containers."),
("Max Recursion Depth:", self.dumper_max_recursion_depth_var, "Max depth for recursive data structures."),
("Max String Length:", self.dumper_max_string_length_var, "Max characters to dump from a string."),
]
for i, (label_text, var, tooltip_text) in enumerate(dumper_settings):
ttk.Label(dumper_config_frame, text=label_text).grid(row=i, column=0, sticky=tk.W, padx=5, pady=3)
spinbox = ttk.Spinbox(dumper_config_frame, textvariable=var, from_=0, to=10000, increment=1, width=10) # 0 might mean unlimited for some
spinbox.grid(row=i, column=1, sticky=tk.W, padx=5, pady=3)
if tooltip_text:
ttk.Label(dumper_config_frame, text=f"({tooltip_text})", foreground="gray", font=("TkDefaultFont", 8)).grid(row=i, column=2, sticky=tk.W, padx=5, pady=3)
def _browse_file(self, target_var: tk.StringVar, title: str, filetypes=None):
"""Helper to browse for a file and set the target_var."""
current_path = target_var.get()
initial_dir = tk.NONE # Default to no initial dir
if current_path:
if os.path.isdir(current_path):
initial_dir = current_path
elif os.path.exists(os.path.dirname(current_path)):
initial_dir = os.path.dirname(current_path)
path = filedialog.askopenfilename(
title=title,
filetypes=filetypes or [("All files", "*.*")],
initialdir=initial_dir if initial_dir else None, # Pass None if not determined
parent=self # Ensure dialog is on top of this window
)
if path:
target_var.set(path)
def _validate_settings(self) -> bool:
"""
Validates the current values in the StringVars.
Shows error messages if validation fails.
Returns:
bool: True if all settings are valid, False otherwise.
"""
validations = [
(self.timeout_gdb_start_var, "GDB Start Timeout", 1, 3600),
(self.timeout_gdb_command_var, "GDB Command Timeout", 1, 3600),
(self.timeout_program_run_var, "Program Run/Continue Timeout", 1, 7200), # Longer for program run
(self.timeout_dump_variable_var, "Dump Variable Timeout", 1, 3600),
(self.timeout_kill_program_var, "Kill Program Timeout", 1, 300),
(self.timeout_gdb_quit_var, "GDB Quit Timeout", 1, 300),
(self.dumper_max_array_elements_var, "Max Array Elements", 0, 100000), # 0 could mean "no direct limit by this script"
(self.dumper_max_recursion_depth_var, "Max Recursion Depth", 1, 100),
(self.dumper_max_string_length_var, "Max String Length", 0, 1048576), # Up to 1MB
]
errors = []
for var, name, min_val, max_val in validations:
try:
value = int(var.get())
if not (min_val <= value <= max_val):
errors.append(f"{name} must be between {min_val} and {max_val}. Got: {value}")
except ValueError:
errors.append(f"{name} must be a valid integer. Got: '{var.get()}'")
# Path validations (existence is not strictly enforced here, but could be)
if not self.gdb_exe_path_var.get(): # GDB exe path is mandatory
errors.append("GDB Executable path cannot be empty.")
# Dumper script path can be empty.
if errors:
messagebox.showerror("Validation Error", "\n".join(errors), parent=self)
return False
return True
def _apply_and_save_settings(self):
"""Validates, applies settings to AppSettings, saves, and informs the user."""
logger.info("Attempting to apply and save settings from ConfigWindow.")
if not self._validate_settings():
logger.warning("Settings validation failed.")
return
try:
# Update AppSettings instance
# General
self.app_settings.set_setting("general", "gdb_executable_path", self.gdb_exe_path_var.get())
self.app_settings.set_setting("general", "gdb_dumper_script_path", self.gdb_dumper_script_path_var.get())
# Timeouts
self.app_settings.set_setting("timeouts", "gdb_start", int(self.timeout_gdb_start_var.get()))
self.app_settings.set_setting("timeouts", "gdb_command", int(self.timeout_gdb_command_var.get()))
self.app_settings.set_setting("timeouts", "program_run_continue", int(self.timeout_program_run_var.get()))
self.app_settings.set_setting("timeouts", "dump_variable", int(self.timeout_dump_variable_var.get()))
self.app_settings.set_setting("timeouts", "kill_program", int(self.timeout_kill_program_var.get()))
self.app_settings.set_setting("timeouts", "gdb_quit", int(self.timeout_gdb_quit_var.get()))
# Dumper Options
self.app_settings.set_setting("dumper_options", "max_array_elements", int(self.dumper_max_array_elements_var.get()))
self.app_settings.set_setting("dumper_options", "max_recursion_depth", int(self.dumper_max_recursion_depth_var.get()))
self.app_settings.set_setting("dumper_options", "max_string_length", int(self.dumper_max_string_length_var.get()))
# GUI (save current config window geometry)
self.app_settings.set_setting("gui", "config_window_geometry", self.geometry())
if self.app_settings.save_settings():
logger.info("Settings applied and saved successfully.")
messagebox.showinfo("Settings Saved", "Configuration has been saved.", parent=self)
# Inform parent window (GDBGui) to re-read relevant settings if necessary
# For example, if GDB path changed, main window might need to update its display or behavior
# This could be done via a callback or by the parent explicitly re-checking after this window closes.
# For now, the main window reads most settings on its own startup or when actions are performed.
# GDB path for example is read when "Start GDB" is clicked.
# However, if the main window was displaying the GDB path from settings, it should update.
# Let's assume the parent will re-evaluate critical settings as needed.
# The main window's StringVars for paths are NOT directly linked to AppSettings after init,
# so if these are changed here, the main window UI won't reflect it until it's closed and reopened,
# or if we implement a mechanism to refresh them.
# For simplicity now, changes here will take effect next time main window needs them or on app restart.
self.destroy() # Close the config window after saving
else:
logger.error("Failed to save settings to file.")
messagebox.showerror("Save Error", "Could not save settings to the configuration file. Check logs.", parent=self)
except ValueError as ve: # Should be caught by _validate_settings, but as a safeguard
logger.error(f"ValueError during settings application: {ve}", exc_info=True)
messagebox.showerror("Internal Error", f"Error applying settings: {ve}", parent=self)
except Exception as e:
logger.error(f"Unexpected error applying settings: {e}", exc_info=True)
messagebox.showerror("Internal Error", f"An unexpected error occurred while applying settings: {e}", parent=self)
def _cancel(self):
"""Closes the window without saving changes."""
logger.info("Configuration changes cancelled by user.")
# Optionally, if you want to check for unsaved changes:
# if self._settings_changed():
# if not messagebox.askyesno("Confirm Cancel", "Discard changes and close?", parent=self):
# return
self.destroy()
def _on_closing_button(self):
"""Handles the event when the window's 'X' (close) button is pressed."""
# Treat same as cancel for simplicity, or ask user to save if changes were made.
logger.debug("ConfigWindow close button pressed.")
self._cancel()
# Optional: Method to check if settings were changed from their initial loaded state
# def _settings_changed(self) -> bool:
# # Compare current var values with what was initially loaded from app_settings
# # This is more complex as you need to store initial values or re-compare with app_settings
# return True # Placeholder