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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
import re
from PySide6.QtCore import QMimeData, Qt, Slot
from PySide6.QtGui import QGuiApplication
from PySide6.QtWidgets import (QAbstractItemView, QPushButton,
QDialogButtonBox, QLabel,
QTableWidget, QTableWidgetItem,
QVBoxLayout, QWidget)
from droparea import DropArea
DESCRIPTION = """This example accepts drags from other applications and
displays the MIME types provided by the drag object."""
_WHITESPACE_PATTERN = re.compile(r"\s+")
def simplify_whitespace(s):
return _WHITESPACE_PATTERN.sub(" ", s).strip()
class DropSiteWindow(QWidget):
def __init__(self):
super().__init__()
drop_area = DropArea()
abstract_label = QLabel()
self._formats_table = QTableWidget()
button_box = QDialogButtonBox()
abstract_label = QLabel(DESCRIPTION)
abstract_label.setWordWrap(True)
abstract_label.adjustSize()
drop_area = DropArea()
drop_area.changed.connect(self.update_formats_table)
self._formats_table = QTableWidget()
self._formats_table.setColumnCount(2)
self._formats_table.setEditTriggers(QAbstractItemView.NoEditTriggers)
self._formats_table.setHorizontalHeaderLabels(["Format", "Content"])
self._formats_table.horizontalHeader().setStretchLastSection(True)
clear_button = QPushButton("Clear")
self._copy_button = QPushButton("Copy")
quit_button = QPushButton("Quit")
button_box = QDialogButtonBox()
button_box.addButton(clear_button, QDialogButtonBox.ActionRole)
button_box.addButton(self._copy_button, QDialogButtonBox.ActionRole)
self._copy_button.setVisible(False)
button_box.addButton(quit_button, QDialogButtonBox.RejectRole)
quit_button.clicked.connect(self.close)
clear_button.clicked.connect(drop_area.clear)
self._copy_button.clicked.connect(self.copy)
main_layout = QVBoxLayout(self)
main_layout.addWidget(abstract_label)
main_layout.addWidget(drop_area)
main_layout.addWidget(self._formats_table)
main_layout.addWidget(button_box)
self.setWindowTitle("Drop Site")
self.resize(700, 500)
@Slot(QMimeData)
def update_formats_table(self, mime_data):
self._formats_table.setRowCount(0)
self._copy_button.setEnabled(False)
if not mime_data:
return
for format in mime_data.formats():
format_item = QTableWidgetItem(format)
format_item.setFlags(Qt.ItemIsEnabled)
format_item.setTextAlignment(Qt.AlignTop | Qt.AlignLeft)
if format == "text/plain":
text = simplify_whitespace(mime_data.text())
elif format == "text/markdown":
text = mime_data.data("text/markdown").data().decode("utf8")
elif format == "text/html":
text = simplify_whitespace(mime_data.html())
elif format == "text/uri-list":
url_list = mime_data.urls()
text = ""
for i in range(0, min(len(url_list), 32)):
text += url_list[i].toString() + " "
else:
data = mime_data.data(format)
if data.size() > 32:
data.truncate(32)
text = data.toHex(" ").data().decode("utf8").upper()
row = self._formats_table.rowCount()
self._formats_table.insertRow(row)
self._formats_table.setItem(row, 0, QTableWidgetItem(format))
self._formats_table.setItem(row, 1, QTableWidgetItem(text))
self._formats_table.resizeColumnToContents(0)
self._copy_button.setEnabled(self._formats_table.rowCount() > 0)
@Slot()
def copy(self):
text = ""
for row in range(0, self._formats_table.rowCount()):
c1 = self._formats_table.item(row, 0).text()
c2 = self._formats_table.item(row, 1).text()
text += f"{c1}: {c2}\n"
QGuiApplication.clipboard().setText(text)
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