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Diffstat (limited to 'examples/widgets/draganddrop/dropsite/dropsitewindow.py')
| -rw-r--r-- | examples/widgets/draganddrop/dropsite/dropsitewindow.py | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/examples/widgets/draganddrop/dropsite/dropsitewindow.py b/examples/widgets/draganddrop/dropsite/dropsitewindow.py new file mode 100644 index 000000000..ddf9afc6b --- /dev/null +++ b/examples/widgets/draganddrop/dropsite/dropsitewindow.py @@ -0,0 +1,152 @@ +############################################################################# +## +## Copyright (C) 2022 The Qt Company Ltd. +## Contact: https://www.qt.io/licensing/ +## +## This file is part of the Qt for Python examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +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) |