From 39236c01ae6c9bc99ee3a02d8294679e12d9b734 Mon Sep 17 00:00:00 2001 From: Oswald Buddenhagen Date: Mon, 22 May 2017 16:44:51 +0200 Subject: move everying into sources/pyside2 in preparation for a subtree merge. this should not be necessary to do in a separate commit, but git is a tad stupid about following history correctly without it. --- .../examples/uitools/textfinder/textfinder.cpp | 141 +++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100644 sources/pyside2/doc/codesnippets/examples/uitools/textfinder/textfinder.cpp (limited to 'sources/pyside2/doc/codesnippets/examples/uitools/textfinder/textfinder.cpp') diff --git a/sources/pyside2/doc/codesnippets/examples/uitools/textfinder/textfinder.cpp b/sources/pyside2/doc/codesnippets/examples/uitools/textfinder/textfinder.cpp new file mode 100644 index 000000000..e493945c9 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/examples/uitools/textfinder/textfinder.cpp @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include +#include +#include "textfinder.h" + +//! [0] +def __init__(self, parent = None): + QWidget.__init__(self. parent) + formWidget = self.loadUiFile() + +//! [1] + self.ui_findButton = qFindChild(QPushButton, self, "findButton") + self.ui_textEdit = qFindChild(QTextEdit, self, "textEdit") + self.ui_lineEdit = qFindChild(QLineEdit, self, "lineEdit") +//! [0] //! [1] + +//! [2] + QMetaObject.connectSlotsByName(self) +//! [2] + +//! [3a] + self.loadTextFile() +//! [3a] + +//! [3b] + layout = QVBoxLayout() + layout.addWidget(formWidget) + self.setLayout(layout) +//! [3b] + +//! [3c] + self.setWindowTitle("Text Finder") + self.isFirstTime = True +//! [3c] + +//! [4] +def loadUiFile(self): + loader = QUiLoader() + return loader.load(":/forms/textfinder.ui", self) +//! [4] + +//! [5] +def loadTextFile(self): + inputFile = QFile(":/forms/input.txt") + inputFile.open(QIODevice.ReadOnly) + in = QTextStream(inputFile) + line = in.readAll() + inputFile.close() + + self.ui_textEdit.append(line) + self.ui_textEdit.setUndoRedoEnabled(False) + self.ui_textEdit.setUndoRedoEnabled(True) +//! [5] + +//! [6] //! [7] +@Slot() +def on_findButton_clicked(self): + searchString = self.ui_lineEdit.text() + document = self.ui_textEdit.document() + + found = False + + if not self.isFirstTime: + document.undo() + + if not searchString: + QMessageBox.information(self, "Empty Search Field", + "The search field is empty. Please enter a word and click Find.") + else: + highlightCursor = QTextCursor(document) + cursor = QTextCursor(document) + cursor.beginEditBlock() +//! [6] + plainFormat = QTextCharFormat(highlightCursor.charFormat()) + colorFormat = QTextCharFormat(plainFormat) + colorFormat.setForeground(Qt.red) + + while not highlightCursor.isNull() and not highlightCursor.atEnd(): + highlightCursor = document.find(searchString, highlightCursor, QTextDocument.FindWholeWords) + + if not highlightCursor.isNull(): + found = True + highlightCursor.movePosition(QTextCursor.WordRight, QTextCursor.KeepAnchor) + highlightCursor.mergeCharFormat(colorFormat) +//! [8] + cursor.endEditBlock() +//! [7] //! [9] + self.isFirstTime = False + + if not found: + QMessageBox.information(self, "Word Not Found", "Sorry, the word cannot be found."); +//! [8] //! [9] -- cgit v1.2.3