diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_util_qundostack.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_util_qundostack.cpp | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_util_qundostack.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_util_qundostack.cpp deleted file mode 100644 index 9875747e7..000000000 --- a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_util_qundostack.cpp +++ /dev/null @@ -1,120 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of Qt for Python. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -//! [0] -class AppendText(QUndoCommand): - self.m_document = '' - self.m_text = '' - - def AppendText(self, doc, text): - self.m_document = doc - self.m_text = text - self.setText("append text") - - def undo(self): - self.m_document.chop(self.m_text.length()) - - def redo(self): - self.m_document->append(self.m_text) -//! [0] - - -//! [1] -command1 = MyCommand() -stack.push(command1) -command2 = MyCommand() -stack.push(command2) - -stack.undo() - -command3 = MyCommand() -stack.push(command3) # command2 gets deleted -//! [1] - - -//! [2] -insertRed = QUndoCommand() # an empty command -insertRed.setText("insert red text") - -InsertText(document, idx, text, insertRed) # becomes child of insertRed -SetColor(document, idx, text.length(), Qt.red, insertRed) - -stack.push(insertRed) -//! [2] - - -//! [3] -class AppendText(QUndoCommand): - ... - def mergeWith(self, other): - if other.id() != self.id(): # make sure other is also an AppendText command - return False - m_text += other.m_text - return True -//! [3] - - -//! [4] -stack.beginMacro("insert red text") -stack.push(InsertText(document, idx, text)) -stack.push(SetColor(document, idx, text.length(), Qt.red)) -stack.endMacro() # indexChanged() is emitted -//! [4] - - -//! [5] -insertRed = QUndoCommand() # an empty command -insertRed.setText("insert red text") - -InsertText(document, idx, text, insertRed) # becomes child of insertRed -SetColor(document, idx, text.length(), Qt.red, insertRed) - -stack.push(insertRed) -//! [5] |