# main_app.py import sys import subprocess import os import psutil import platform from PyQt6.QtWidgets import ( QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout, QLabel, QComboBox, QPushButton, QTextEdit, QMessageBox, QMenuBar, QFileDialog, QGroupBox, QLineEdit # Added QLineEdit ) from PyQt6.QtGui import QAction from PyQt6.QtCore import pyqtSignal, pyqtSlot, QObject, QThread from constants import APP_NAME, DEVELOPER_NAME, BUSINESS_NAME, MACOS_VERSIONS from utils import ( build_docker_command, get_unique_container_name, build_docker_cp_command, CONTAINER_MACOS_IMG_PATH, CONTAINER_OPENCORE_QCOW2_PATH, build_docker_stop_command, build_docker_rm_command ) USBWriterLinux = None USBWriterMacOS = None USBWriterWindows = None if platform.system() == "Linux": try: from usb_writer_linux import USBWriterLinux except ImportError as e: print(f"Could not import USBWriterLinux: {e}") elif platform.system() == "Darwin": try: from usb_writer_macos import USBWriterMacOS except ImportError as e: print(f"Could not import USBWriterMacOS: {e}") elif platform.system() == "Windows": try: from usb_writer_windows import USBWriterWindows except ImportError as e: print(f"Could not import USBWriterWindows: {e}") class WorkerSignals(QObject): progress = pyqtSignal(str) finished = pyqtSignal(str) error = pyqtSignal(str) class DockerRunWorker(QObject): # ... (same as before) def __init__(self, command_list): super().__init__() self.command_list = command_list self.signals = WorkerSignals() self.process = None self._is_running = True @pyqtSlot() def run(self): try: self.signals.progress.emit(f"Executing: {' '.join(self.command_list)}\n") self.process = subprocess.Popen( self.command_list, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True, bufsize=1, universal_newlines=True, creationflags=subprocess.CREATE_NO_WINDOW if sys.platform == "win32" else 0 ) if self.process.stdout: for line in iter(self.process.stdout.readline, ''): if not self._is_running: self.signals.progress.emit("Docker process stopping at user request.\n") break self.signals.progress.emit(line) self.process.stdout.close() return_code = self.process.wait() if not self._is_running and return_code != 0 : self.signals.finished.emit(f"Docker process cancelled or stopped early (exit code {return_code}).") return if return_code == 0: self.signals.finished.emit("Docker VM process (QEMU) closed by user or completed.") else: self.signals.finished.emit(f"Docker VM process exited (code {return_code}). Assuming macOS setup was attempted or QEMU window closed.") except FileNotFoundError: self.signals.error.emit("Error: Docker command not found.") except Exception as e: self.signals.error.emit(f"An error occurred during Docker run: {str(e)}") finally: self._is_running = False def stop(self): self._is_running = False if self.process and self.process.poll() is None: self.signals.progress.emit("Attempting to stop Docker process...\n") try: self.process.terminate() try: self.process.wait(timeout=5) except subprocess.TimeoutExpired: self.signals.progress.emit("Process did not terminate gracefully, killing.\n") self.process.kill() self.signals.progress.emit("Docker process stopped.\n") except Exception as e: self.signals.error.emit(f"Error stopping process: {str(e)}\n") class DockerCommandWorker(QObject): # ... (same as before) def __init__(self, command_list, success_message="Command completed."): super().__init__() self.command_list = command_list self.signals = WorkerSignals() self.success_message = success_message @pyqtSlot() def run(self): try: self.signals.progress.emit(f"Executing: {' '.join(self.command_list)}\n") result = subprocess.run( self.command_list, capture_output=True, text=True, check=False, creationflags=subprocess.CREATE_NO_WINDOW if sys.platform == "win32" else 0 ) if result.stdout and result.stdout.strip(): self.signals.progress.emit(result.stdout) if result.stderr and result.stderr.strip(): self.signals.progress.emit(f"STDERR: {result.stderr}") if result.returncode == 0: self.signals.finished.emit(self.success_message) else: err_msg = result.stderr or result.stdout or "Unknown error" self.signals.error.emit(f"Command failed with code {result.returncode}: {err_msg.strip()}") except FileNotFoundError: self.signals.error.emit("Error: Docker command not found.") except Exception as e: self.signals.error.emit(f"An error occurred: {str(e)}") class USBWriterWorker(QObject): # ... (same as before, uses platform check) signals = WorkerSignals() def __init__(self, device, opencore_path, macos_path): super().__init__() self.device = device self.opencore_path = opencore_path self.macos_path = macos_path self.writer_instance = None @pyqtSlot() def run(self): current_os = platform.system() try: if current_os == "Linux": if USBWriterLinux is None: self.signals.error.emit("USBWriterLinux module not available."); return self.writer_instance = USBWriterLinux(self.device, self.opencore_path, self.macos_path, lambda msg: self.signals.progress.emit(msg)) elif current_os == "Darwin": if USBWriterMacOS is None: self.signals.error.emit("USBWriterMacOS module not available."); return self.writer_instance = USBWriterMacOS(self.device, self.opencore_path, self.macos_path, lambda msg: self.signals.progress.emit(msg)) elif current_os == "Windows": if USBWriterWindows is None: self.signals.error.emit("USBWriterWindows module not available."); return self.writer_instance = USBWriterWindows(self.device, self.opencore_path, self.macos_path, lambda msg: self.signals.progress.emit(msg)) else: self.signals.error.emit(f"USB writing not supported on {current_os}."); return if self.writer_instance.format_and_write(): self.signals.finished.emit("USB writing process completed successfully.") else: self.signals.error.emit("USB writing process failed. Check output for details.") except Exception as e: self.signals.error.emit(f"USB writing preparation error: {str(e)}") class MainWindow(QMainWindow): # ... (init and _setup_ui need changes for Windows USB input) def __init__(self): super().__init__() self.setWindowTitle(APP_NAME) self.setGeometry(100, 100, 800, 850) # Adjusted height self.current_container_name = None self.extracted_main_image_path = None self.extracted_opencore_image_path = None self.extraction_status = {"main": False, "opencore": False} self.active_worker_thread = None self.docker_run_worker_instance = None self._setup_ui() self.refresh_usb_drives() def _setup_ui(self): # ... (Menu bar, Step 1, 2, 3 groups - same as before) ... menubar = self.menuBar(); file_menu = menubar.addMenu("&File"); help_menu = menubar.addMenu("&Help") exit_action = QAction("&Exit", self); exit_action.triggered.connect(self.close); file_menu.addAction(exit_action) about_action = QAction("&About", self); about_action.triggered.connect(self.show_about_dialog); help_menu.addAction(about_action) central_widget = QWidget(); self.setCentralWidget(central_widget); main_layout = QVBoxLayout(central_widget) vm_creation_group = QGroupBox("Step 1: Create and Install macOS VM"); vm_layout = QVBoxLayout() selection_layout = QHBoxLayout(); self.version_label = QLabel("Select macOS Version:"); self.version_combo = QComboBox() self.version_combo.addItems(MACOS_VERSIONS.keys()); selection_layout.addWidget(self.version_label); selection_layout.addWidget(self.version_combo) vm_layout.addLayout(selection_layout); self.run_vm_button = QPushButton("Create VM and Start macOS Installation") self.run_vm_button.clicked.connect(self.run_macos_vm); vm_layout.addWidget(self.run_vm_button) self.stop_vm_button = QPushButton("Stop/Cancel VM Creation"); self.stop_vm_button.clicked.connect(self.stop_docker_run_process) self.stop_vm_button.setEnabled(False); vm_layout.addWidget(self.stop_vm_button); vm_creation_group.setLayout(vm_layout) main_layout.addWidget(vm_creation_group) extraction_group = QGroupBox("Step 2: Extract VM Images"); ext_layout = QVBoxLayout() self.extract_images_button = QPushButton("Extract Images from Container"); self.extract_images_button.clicked.connect(self.extract_vm_images) self.extract_images_button.setEnabled(False); ext_layout.addWidget(self.extract_images_button); extraction_group.setLayout(ext_layout) main_layout.addWidget(extraction_group) mgmt_group = QGroupBox("Step 3: Container Management (Optional)"); mgmt_layout = QHBoxLayout() self.stop_container_button = QPushButton("Stop Container"); self.stop_container_button.clicked.connect(self.stop_persistent_container) self.stop_container_button.setEnabled(False); mgmt_layout.addWidget(self.stop_container_button) self.remove_container_button = QPushButton("Remove Container"); self.remove_container_button.clicked.connect(self.remove_persistent_container) self.remove_container_button.setEnabled(False); mgmt_layout.addWidget(self.remove_container_button); mgmt_group.setLayout(mgmt_layout) main_layout.addWidget(mgmt_group) # Step 4: USB Drive Selection - Modified for Windows usb_group = QGroupBox("Step 4: Select Target USB Drive and Write") usb_layout = QVBoxLayout() self.usb_drive_label = QLabel("Available USB Drives (for Linux/macOS):") usb_layout.addWidget(self.usb_drive_label) usb_selection_layout = QHBoxLayout() self.usb_drive_combo = QComboBox() self.usb_drive_combo.currentIndexChanged.connect(self.update_write_to_usb_button_state) usb_selection_layout.addWidget(self.usb_drive_combo) self.refresh_usb_button = QPushButton("Refresh List") self.refresh_usb_button.clicked.connect(self.refresh_usb_drives) usb_selection_layout.addWidget(self.refresh_usb_button) usb_layout.addLayout(usb_selection_layout) # Windows-specific input for disk ID self.windows_usb_input_label = QLabel("For Windows: Enter USB Disk Number (e.g., 1, 2). Use 'diskpart' -> 'list disk' in an Admin CMD to find it.") self.windows_disk_id_input = QLineEdit() self.windows_disk_id_input.setPlaceholderText("Enter Disk Number (e.g., 1)") self.windows_disk_id_input.textChanged.connect(self.update_write_to_usb_button_state) if platform.system() == "Windows": self.usb_drive_label.setText("Detected Mountable Partitions (for reference only for writing):") usb_layout.addWidget(self.windows_usb_input_label) usb_layout.addWidget(self.windows_disk_id_input) else: self.windows_usb_input_label.setVisible(False) self.windows_disk_id_input.setVisible(False) warning_label = QLabel("WARNING: Selecting a drive and proceeding to write will ERASE ALL DATA on it!") warning_label.setStyleSheet("color: red; font-weight: bold;") usb_layout.addWidget(warning_label) self.write_to_usb_button = QPushButton("Write Images to USB Drive") self.write_to_usb_button.clicked.connect(self.handle_write_to_usb) self.write_to_usb_button.setEnabled(False) usb_layout.addWidget(self.write_to_usb_button) usb_group.setLayout(usb_layout) main_layout.addWidget(usb_group) self.output_area = QTextEdit() self.output_area.setReadOnly(True) main_layout.addWidget(self.output_area) def show_about_dialog(self): # ... (same as before, update version) QMessageBox.about(self, f"About {APP_NAME}", f"Version: 0.6.0\nDeveloper: {DEVELOPER_NAME}\nBusiness: {BUSINESS_NAME}\n\n" "This tool helps create bootable macOS USB drives using Docker-OSX.") def _start_worker(self, worker_instance, on_finished_slot, on_error_slot, worker_name="worker"): # ... (same as before) if self.active_worker_thread and self.active_worker_thread.isRunning(): QMessageBox.warning(self, "Busy", "Another operation is already in progress. Please wait.") return False self.active_worker_thread = QThread() self.active_worker_thread.setObjectName(worker_name + "_thread") setattr(self, f"{worker_name}_instance", worker_instance) worker_instance.moveToThread(self.active_worker_thread) worker_instance.signals.progress.connect(self.update_output) worker_instance.signals.finished.connect(on_finished_slot) worker_instance.signals.error.connect(on_error_slot) worker_instance.signals.finished.connect(self.active_worker_thread.quit) worker_instance.signals.error.connect(self.active_worker_thread.quit) self.active_worker_thread.finished.connect(self.active_worker_thread.deleteLater) self.active_worker_thread.finished.connect(lambda: self._clear_worker_instance(worker_name)) # Use new clear method self.active_worker_thread.started.connect(worker_instance.run) self.active_worker_thread.start() return True def _clear_worker_instance(self, worker_name): # New method to clean up worker instance from self attr_name = f"{worker_name}_instance" if hasattr(self, attr_name): delattr(self, attr_name) def run_macos_vm(self): # ... (same as before, ensure worker_name matches for _clear_worker_instance) selected_version_name = self.version_combo.currentText() self.current_container_name = get_unique_container_name() try: command_list = build_docker_command(selected_version_name, self.current_container_name) self.output_area.clear() self.output_area.append(f"Starting macOS VM creation for {selected_version_name}...") # ... rest of messages docker_run_worker = DockerRunWorker(command_list) # Local var, instance stored by _start_worker if self._start_worker(docker_run_worker, self.docker_run_finished, self.docker_run_error, "docker_run"): self.run_vm_button.setEnabled(False); self.version_combo.setEnabled(False) self.stop_vm_button.setEnabled(True); self.extract_images_button.setEnabled(False) self.write_to_usb_button.setEnabled(False) except ValueError as e: self.handle_error(f"Failed to build command: {str(e)}") except Exception as e: self.handle_error(f"An unexpected error: {str(e)}") @pyqtSlot(str) def update_output(self, text): # ... (same as before) self.output_area.append(text.strip()); QApplication.processEvents() @pyqtSlot(str) def docker_run_finished(self, message): # ... (same as before) self.output_area.append(f"\n--- macOS VM Setup Process Finished ---\n{message}") QMessageBox.information(self, "VM Setup Complete", f"{message}\nYou can now proceed to extract images.") self.run_vm_button.setEnabled(True); self.version_combo.setEnabled(True) self.stop_vm_button.setEnabled(False); self.extract_images_button.setEnabled(True) self.stop_container_button.setEnabled(True) self.active_worker_thread = None # Cleared by _start_worker's finished connection @pyqtSlot(str) def docker_run_error(self, error_message): # ... (same as before) self.output_area.append(f"\n--- macOS VM Setup Process Error ---\n{error_message}") if "exited" in error_message.lower() and self.current_container_name: QMessageBox.warning(self, "VM Setup Ended", f"{error_message}\nAssuming macOS setup was attempted...") self.extract_images_button.setEnabled(True); self.stop_container_button.setEnabled(True) else: QMessageBox.critical(self, "VM Setup Error", error_message) self.run_vm_button.setEnabled(True); self.version_combo.setEnabled(True); self.stop_vm_button.setEnabled(False) self.active_worker_thread = None def stop_docker_run_process(self): docker_run_worker_inst = getattr(self, "docker_run_instance", None) # Use specific name if docker_run_worker_inst: self.output_area.append("\n--- Attempting to stop macOS VM creation ---") docker_run_worker_inst.stop() self.stop_vm_button.setEnabled(False) def extract_vm_images(self): # ... (same as before, ensure worker_names are unique) if not self.current_container_name: QMessageBox.warning(self, "Warning", "No active container."); return save_dir = QFileDialog.getExistingDirectory(self, "Select Directory to Save VM Images") if not save_dir: return self.output_area.append(f"\n--- Starting Image Extraction from {self.current_container_name} to {save_dir} ---") self.extract_images_button.setEnabled(False); self.write_to_usb_button.setEnabled(False) self.extracted_main_image_path = os.path.join(save_dir, "mac_hdd_ng.img") self.extracted_opencore_image_path = os.path.join(save_dir, "OpenCore.qcow2") self.extraction_status = {"main": False, "opencore": False} cp_main_cmd = build_docker_cp_command(self.current_container_name, CONTAINER_MACOS_IMG_PATH, self.extracted_main_image_path) main_worker = DockerCommandWorker(cp_main_cmd, f"Main macOS image copied to {self.extracted_main_image_path}") if not self._start_worker(main_worker, lambda msg: self.docker_utility_finished(msg, "main_img_extract"), lambda err: self.docker_utility_error(err, "main_img_extract_error"), "cp_main"): # Unique name self.extract_images_button.setEnabled(True); return self.output_area.append(f"Extraction for main image started. OpenCore extraction will follow.") def _start_opencore_extraction(self): # ... (same as before, ensure worker_name is unique) if not self.current_container_name or not self.extracted_opencore_image_path: return cp_oc_cmd = build_docker_cp_command(self.current_container_name, CONTAINER_OPENCORE_QCOW2_PATH, self.extracted_opencore_image_path) oc_worker = DockerCommandWorker(cp_oc_cmd, f"OpenCore image copied to {self.extracted_opencore_image_path}") self._start_worker(oc_worker, lambda msg: self.docker_utility_finished(msg, "oc_img_extract"), lambda err: self.docker_utility_error(err, "oc_img_extract_error"), "cp_oc") # Unique name def stop_persistent_container(self): # ... (same as before, ensure worker_name is unique) if not self.current_container_name: QMessageBox.warning(self, "Warning", "No container name."); return cmd = build_docker_stop_command(self.current_container_name) worker = DockerCommandWorker(cmd, f"Container {self.current_container_name} stopped.") if self._start_worker(worker, lambda msg: self.docker_utility_finished(msg, "stop_container"), lambda err: self.docker_utility_error(err, "stop_container_error"), "stop_docker"): # Unique name self.stop_container_button.setEnabled(False) def remove_persistent_container(self): # ... (same as before, ensure worker_name is unique) if not self.current_container_name: QMessageBox.warning(self, "Warning", "No container name."); return reply = QMessageBox.question(self, 'Confirm Remove', f"Remove container '{self.current_container_name}'?", QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No, QMessageBox.StandardButton.No) if reply == QMessageBox.StandardButton.No: return cmd = build_docker_rm_command(self.current_container_name) worker = DockerCommandWorker(cmd, f"Container {self.current_container_name} removed.") if self._start_worker(worker, lambda msg: self.docker_utility_finished(msg, "rm_container"), lambda err: self.docker_utility_error(err, "rm_container_error"), "rm_docker"): # Unique name self.remove_container_button.setEnabled(False) def docker_utility_finished(self, message, task_id): # ... (same as before) self.output_area.append(f"\n--- Task '{task_id}' Succeeded ---\n{message}"); QMessageBox.information(self, f"Task Complete", message) if task_id == "main_img_extract": self.extraction_status["main"] = True; self._start_opencore_extraction(); return elif task_id == "oc_img_extract": self.extraction_status["opencore"] = True self.active_worker_thread = None # Cleared by _start_worker's finished connection if self.extraction_status.get("main") and self.extraction_status.get("opencore"): self.output_area.append("\nBoth VM images extracted successfully."); self.update_write_to_usb_button_state(); self.extract_images_button.setEnabled(True) elif task_id.startswith("extract"): self.extract_images_button.setEnabled(True) if task_id == "stop_container": self.remove_container_button.setEnabled(True) if task_id == "rm_container": self.current_container_name = None; self.stop_container_button.setEnabled(False) self.extract_images_button.setEnabled(False); self.update_write_to_usb_button_state() def docker_utility_error(self, error_message, task_id): # ... (same as before) self.output_area.append(f"\n--- Task '{task_id}' Error ---\n{error_message}"); QMessageBox.critical(self, f"Task Error", error_message) self.active_worker_thread = None if task_id.startswith("extract"): self.extract_images_button.setEnabled(True) if task_id == "stop_container": self.stop_container_button.setEnabled(True) if task_id == "rm_container": self.remove_container_button.setEnabled(True) def handle_error(self, message): # ... (same as before) self.output_area.append(f"ERROR: {message}"); QMessageBox.critical(self, "Error", message) self.run_vm_button.setEnabled(True); self.version_combo.setEnabled(True); self.stop_vm_button.setEnabled(False) self.extract_images_button.setEnabled(False); self.write_to_usb_button.setEnabled(False) self.active_worker_thread = None; # Clear active thread # Clear all potential worker instances for attr_name in list(self.__dict__.keys()): if attr_name.endswith("_instance") and isinstance(getattr(self,attr_name,None), QObject): setattr(self,attr_name,None) def refresh_usb_drives(self): # Modified for Windows self.usb_drive_combo.clear() current_selection_text = getattr(self, '_current_usb_selection_text', None) self.output_area.append("\nScanning for disk devices...") current_os = platform.system() if current_os == "Windows": self.usb_drive_label.setText("For Windows, identify Physical Disk number (e.g., 1, 2) using Disk Management or 'diskpart > list disk'. Input below.") self.windows_disk_id_input.setVisible(True) self.windows_usb_input_label.setVisible(True) self.usb_drive_combo.setVisible(False) # Hide combo for windows as input is manual self.refresh_usb_button.setText("List Partitions (Ref.)") # Change button text try: partitions = psutil.disk_partitions(all=True) ref_text = "Reference - Detected partitions/mounts:\n" for p in partitions: try: usage = psutil.disk_usage(p.mountpoint) size_gb = usage.total / (1024**3) ref_text += f" {p.device} @ {p.mountpoint} ({p.fstype}, {size_gb:.2f} GB)\n" except Exception: ref_text += f" {p.device} ({p.fstype}) - could not get usage/mountpoint\n" self.output_area.append(ref_text) except Exception as e: self.output_area.append(f"Error listing partitions for reference: {e}") else: self.usb_drive_label.setText("Available USB Drives (for Linux/macOS):") self.windows_disk_id_input.setVisible(False) self.windows_usb_input_label.setVisible(False) self.usb_drive_combo.setVisible(True) self.refresh_usb_button.setText("Refresh List") try: # psutil logic for Linux/macOS partitions = psutil.disk_partitions(all=False) potential_usbs = [] for p in partitions: is_removable = 'removable' in p.opts is_likely_usb = False if current_os == "Darwin": if p.device.startswith("/dev/disk") and 'external' in p.opts.lower() and 'physical' in p.opts.lower(): is_likely_usb = True elif current_os == "Linux": if (p.mountpoint and ("/media/" in p.mountpoint or "/run/media/" in p.mountpoint)) or (p.device.startswith("/dev/sd") and not p.device.endswith("da")): is_likely_usb = True if is_removable or is_likely_usb: try: usage = psutil.disk_usage(p.mountpoint) size_gb = usage.total / (1024**3); if size_gb < 0.1 : continue drive_text = f"{p.device} @ {p.mountpoint} ({p.fstype}, {size_gb:.2f} GB)" potential_usbs.append((drive_text, p.device)) except Exception: pass if potential_usbs: idx_to_select = -1 for i, (text, device_path) in enumerate(potential_usbs): self.usb_drive_combo.addItem(text, userData=device_path) if text == current_selection_text: idx_to_select = i if idx_to_select != -1: self.usb_drive_combo.setCurrentIndex(idx_to_select) self.output_area.append(f"Found {len(potential_usbs)} potential USB drive(s). Please verify carefully.") else: self.output_area.append("No suitable USB drives found for Linux/macOS.") except ImportError: self.output_area.append("psutil library not found.") except Exception as e: self.output_area.append(f"Error scanning for USB drives: {e}") self.update_write_to_usb_button_state() def handle_write_to_usb(self): # Modified for Windows current_os = platform.system() usb_writer_module = None target_device_id_for_worker = None if current_os == "Linux": usb_writer_module = USBWriterLinux target_device_id_for_worker = self.usb_drive_combo.currentData() elif current_os == "Darwin": usb_writer_module = USBWriterMacOS target_device_id_for_worker = self.usb_drive_combo.currentData() elif current_os == "Windows": usb_writer_module = USBWriterWindows # For Windows, device_id for USBWriterWindows is the disk number string target_device_id_for_worker = self.windows_disk_id_input.text().strip() if not target_device_id_for_worker.isdigit(): # Basic validation QMessageBox.warning(self, "Input Required", "Please enter a valid Windows Disk Number (e.g., 1, 2)."); return # USBWriterWindows expects just the number, it constructs \\.\PhysicalDriveX itself. if not usb_writer_module: QMessageBox.warning(self, "Unsupported Platform", f"USB writing not supported/enabled for {current_os}."); return if not self.extracted_main_image_path or not self.extracted_opencore_image_path or not self.extraction_status["main"] or not self.extraction_status["opencore"]: QMessageBox.warning(self, "Missing Images", "Ensure both images are extracted."); return if not target_device_id_for_worker: # Should catch empty input for Windows here too QMessageBox.warning(self, "No USB Selected/Identified", f"Please select/identify the target USB drive for {current_os}."); return confirm_msg = (f"WARNING: ALL DATA ON TARGET '{target_device_id_for_worker}' WILL BE ERASED PERMANENTLY. " "Are you absolutely sure you want to proceed?") reply = QMessageBox.warning(self, "Confirm Write Operation", confirm_msg, QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.Cancel, QMessageBox.StandardButton.Cancel) if reply == QMessageBox.StandardButton.Cancel: self.output_area.append(" USB write operation cancelled by user."); return self.output_area.append(f" --- Starting USB Write Process for {target_device_id_for_worker} on {current_os} ---") self.write_to_usb_button.setEnabled(False); self.refresh_usb_button.setEnabled(False) usb_worker = USBWriterWorker(target_device_id_for_worker, self.extracted_opencore_image_path, self.extracted_main_image_path) if not self._start_worker(usb_worker, self.usb_write_finished, self.usb_write_error, "usb_write"): # worker_name "usb_write" self.write_to_usb_button.setEnabled(True); self.refresh_usb_button.setEnabled(True) @pyqtSlot(str) def usb_write_finished(self, message): # ... (same as before) self.output_area.append(f" --- USB Write Process Finished --- {message}"); QMessageBox.information(self, "USB Write Complete", message) self.write_to_usb_button.setEnabled(True); self.refresh_usb_button.setEnabled(True) self.active_worker_thread = None; setattr(self, "usb_write_instance", None) @pyqtSlot(str) def usb_write_error(self, error_message): # ... (same as before) self.output_area.append(f" --- USB Write Process Error --- {error_message}"); QMessageBox.critical(self, "USB Write Error", error_message) self.write_to_usb_button.setEnabled(True); self.refresh_usb_button.setEnabled(True) self.active_worker_thread = None; setattr(self, "usb_write_instance", None) def update_write_to_usb_button_state(self): # Modified for Windows images_ready = self.extraction_status.get("main", False) and self.extraction_status.get("opencore", False) usb_identified = False current_os = platform.system() writer_module = None if current_os == "Linux": writer_module = USBWriterLinux elif current_os == "Darwin": writer_module = USBWriterMacOS elif current_os == "Windows": writer_module = USBWriterWindows if current_os == "Windows": usb_identified = bool(self.windows_disk_id_input.text().strip().isdigit()) # Must be a digit for disk ID else: usb_identified = bool(self.usb_drive_combo.currentData()) self.write_to_usb_button.setEnabled(images_ready and usb_identified and writer_module is not None) # ... (Tooltip logic same as before) ... if writer_module is None: self.write_to_usb_button.setToolTip(f"USB Writing not supported on {current_os} or module missing.") elif not images_ready: self.write_to_usb_button.setToolTip("Extract VM images first.") elif not usb_identified: if current_os == "Windows": self.write_to_usb_button.setToolTip("Enter a valid Windows Disk Number.") else: self.write_to_usb_button.setToolTip("Select a target USB drive.") else: self.write_to_usb_button.setToolTip("") def closeEvent(self, event): # ... (same as before) self._current_usb_selection_text = self.usb_drive_combo.currentText() if self.active_worker_thread and self.active_worker_thread.isRunning(): reply = QMessageBox.question(self, 'Confirm Exit', "An operation is running. Exit anyway?", QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No, QMessageBox.StandardButton.No) if reply == QMessageBox.StandardButton.Yes: worker_instance_attr_name = self.active_worker_thread.objectName().replace("_thread", "_instance") worker_to_stop = getattr(self, worker_instance_attr_name, None) if worker_to_stop and hasattr(worker_to_stop, 'stop'): worker_to_stop.stop() else: self.active_worker_thread.quit() self.active_worker_thread.wait(1000) event.accept() else: event.ignore(); return elif self.current_container_name and self.stop_container_button.isEnabled(): reply = QMessageBox.question(self, 'Confirm Exit', f"Container '{self.current_container_name}' may still exist. Exit anyway?", QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No, QMessageBox.StandardButton.No) if reply == QMessageBox.StandardButton.Yes: event.accept() else: event.ignore() else: event.accept() if __name__ == "__main__": app = QApplication(sys.argv) window = MainWindow() window.show() sys.exit(app.exec())