Use QMimeData for clipboard — same as drag and drop

Sets both file URL and image data on clipboard so it works
with file managers (paste as file) and image apps (paste as
image). No more wl-copy dependency for copying.

booru_viewer/gui/app.py

@@ -1955,34 +1955,15 @@ class BooruApp(QMainWindow):
             return
         log.debug(f"Copying: {path}")
 
-        import shutil
-        _IMAGE_EXTS = {".jpg", ".jpeg", ".png", ".gif", ".webp"}
-        ext = Path(path).suffix.lower()
-
-        if shutil.which("wl-copy"):
-            import subprocess
-            try:
-                if ext in _IMAGE_EXTS:
-                    _MIMES = {".jpg": "image/jpeg", ".jpeg": "image/jpeg",
-                              ".png": "image/png", ".gif": "image/gif", ".webp": "image/webp"}
-                    with open(path, "rb") as f:
-                        subprocess.run(["wl-copy", "--type", _MIMES[ext]], stdin=f, timeout=10)
-                else:
-                    # Videos/other: copy as file URI for file manager paste
-                    uri = f"file://{Path(path).resolve()}\r\n"
-                    subprocess.run(["wl-copy", "--type", "text/uri-list"], input=uri.encode(), timeout=5)
-                self._status.showMessage(f"Copied to clipboard: {Path(path).name}")
-                return
-            except Exception as e:
-                log.warning(f"wl-copy failed: {e}")
-
-        # Qt fallback (images only)
+        from PySide6.QtCore import QMimeData, QUrl
+        mime = QMimeData()
+        mime.setUrls([QUrl.fromLocalFile(str(Path(path).resolve()))])
+        # Also set image data for apps that prefer it
         pix = QPixmap(path)
         if not pix.isNull():
-            QApplication.clipboard().setPixmap(pix)
-            self._status.showMessage(f"Copied to clipboard: {Path(path).name}")
-        else:
-            self._status.showMessage("Nothing to copy")
+            mime.setImageData(pix.toImage())
+        QApplication.clipboard().setMimeData(mime)
+        self._status.showMessage(f"Copied to clipboard: {Path(path).name}")
 
     # -- Bookmarks --