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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
from __future__ import annotations
''' Test bug 688: http://bugs.openbossa.org/show_bug.cgi?id=688'''
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from helper.usesqapplication import UsesQApplication
from PySide6.QtGui import QTextCursor, QTextCharFormat, QFont, QTextFrameFormat
from PySide6.QtWidgets import QTextEdit
class BugTest(UsesQApplication):
def testCase(self):
editor = QTextEdit()
cursor = QTextCursor(editor.textCursor())
cursor.movePosition(QTextCursor.MoveOperation.Start)
mainFrame = cursor.currentFrame()
plainCharFormat = QTextCharFormat()
boldCharFormat = QTextCharFormat()
boldCharFormat.setFontWeight(QFont.Weight.Bold)
cursor.insertText("""
Text documents are represented by the
QTextDocument class, rather than by QString objects.
Each QTextDocument object contains information about
the document's internal representation, its structure,
and keeps track of modifications to provide undo/redo
facilities. This approach allows features such as the
layout management to be delegated to specialized
classes, but also provides a focus for the framework.""",
plainCharFormat)
frameFormat = QTextFrameFormat()
frameFormat.setMargin(32)
frameFormat.setPadding(8)
frameFormat.setBorder(4)
cursor.insertFrame(frameFormat)
cursor.insertText("""
Documents are either converted from external sources
or created from scratch using Qt. The creation process
can done by an editor widget, such as QTextEdit, or by
explicit calls to the Scribe API.""",
boldCharFormat)
cursor = mainFrame.lastCursorPosition()
cursor.insertText("""
There are two complementary ways to visualize the
contents of a document: as a linear buffer that is
used by editors to modify the contents, and as an
object hierarchy containing structural information
that is useful to layout engines. In the hierarchical
model, the objects generally correspond to visual
elements such as frames, tables, and lists. At a lower
level, these elements describe properties such as the
style of text used and its alignment. The linear
representation of the document is used for editing and
manipulation of the document's contents.""",
plainCharFormat)
frame = cursor.currentFrame()
items = []
# test iterator
for i in frame:
items.append(i)
# test __iadd__
b = frame.begin()
i = 0
while not b.atEnd():
self.assertEqual(b, items[i])
self.assertTrue(b.parentFrame(), items[i].parentFrame())
b.__iadd__(1)
i += 1
# test __isub__
b = frame.end()
i = 0
while i > 0:
self.assertEqual(b, items[i])
self.assertTrue(b.parentFrame(), items[i].parentFrame())
b.__isub__(1)
i -= 1
if __name__ == '__main__':
unittest.main()
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