clipboard_utils.py

import os
import subprocess

from PyQt6.QtCore import QMimeData, QUrl
from PyQt6.QtWidgets import QApplication


def copy_file_to_clipboard(filepath):
    """
    Copies a file to the clipboard using PowerShell.
    This mimics the behavior of selecting a file in Explorer and pressing Ctrl+C.
    
    Fallback to Qt's clipboard mechanism if PowerShell fails.
    """
    filepath = os.path.abspath(filepath)
    if not os.path.exists(filepath):
        return False, "File does not exist"

    # Strategy 1: PowerShell (Native / Robust)
    # Set-Clipboard -Path "..." mimics Explorer copy perfectly.
    try:
        cmd = [
            "powershell", 
            "-NoProfile", 
            "-NonInteractive", 
            "-Command", 
            f"Set-Clipboard -Path '{filepath}'"
        ]
        
        # subprocess.run ensures we wait for it to finish
        result = subprocess.run(
            cmd,
            capture_output=True,
            text=True,
            check=False,
            creationflags=subprocess.CREATE_NO_WINDOW,
        )
        
        if result.returncode == 0:
            return True, "Copied via PowerShell"
        else:
            print(f"PowerShell Clipboard Error: {result.stderr}")
            # Don't return yet, try Strategy 2
            
    except Exception as e:
        print(f"PowerShell execution failed: {e}")

    # Strategy 2: Qt (Fallback)
    try:
        data = QMimeData()
        url = QUrl.fromLocalFile(filepath)
        data.setUrls([url])
        QApplication.clipboard().setMimeData(data)
        return True, "Copied via Qt (Fallback)"
    except Exception as e:
        return False, f"All methods failed. Qt Error: {e}"