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-rw-r--r--examples/widgets/draganddrop/dropsite/droparea.py67
1 files changed, 67 insertions, 0 deletions
diff --git a/examples/widgets/draganddrop/dropsite/droparea.py b/examples/widgets/draganddrop/dropsite/droparea.py
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+++ b/examples/widgets/draganddrop/dropsite/droparea.py
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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+from PySide6.QtCore import QMimeData, Qt, Slot, Signal
+from PySide6.QtGui import QPalette, QPixmap
+from PySide6.QtWidgets import QFrame, QLabel
+
+
+class DropArea(QLabel):
+
+ changed = Signal(QMimeData)
+
+ def __init__(self, parent=None):
+ super().__init__(parent)
+ self.setMinimumSize(200, 200)
+ self.setFrameStyle(QFrame.Sunken | QFrame.StyledPanel)
+ self.setAlignment(Qt.AlignCenter)
+ self.setAcceptDrops(True)
+ self.setAutoFillBackground(True)
+ self.clear()
+
+ def dragEnterEvent(self, event):
+ self.setText("<drop content>")
+ self.setBackgroundRole(QPalette.Highlight)
+
+ event.acceptProposedAction()
+ self.changed.emit(event.mimeData())
+
+ def dragMoveEvent(self, event):
+ event.acceptProposedAction()
+
+ def dropEvent(self, event):
+ mime_data = event.mimeData()
+
+ if mime_data.hasImage():
+ self.setPixmap(QPixmap(mime_data.imageData()))
+ elif mime_data.hasFormat("text/markdown"):
+ self.setText(mime_data.data("text/markdown"))
+ self.setTextFormat(Qt.MarkdownText)
+ elif mime_data.hasHtml():
+ self.setText(mime_data.html())
+ self.setTextFormat(Qt.RichText)
+ elif mime_data.hasText():
+ self.setText(mime_data.text())
+ self.setTextFormat(Qt.PlainText)
+ elif mime_data.hasUrls():
+ url_list = mime_data.urls()
+ text = ""
+ for i in range(0, min(len(url_list), 32)):
+ text += url_list[i].path() + "\n"
+ self.setText(text)
+ else:
+ self.setText("Cannot display data")
+
+ self.setBackgroundRole(QPalette.Dark)
+ event.acceptProposedAction()
+
+ def dragLeaveEvent(self, event):
+ self.clear()
+ event.accept()
+
+ @Slot()
+ def clear(self):
+ self.setText("<drop content>")
+ self.setBackgroundRole(QPalette.Dark)
+
+ self.changed.emit(None)