diff options
author | Hugo Parente Lima <hugo.pl@gmail.com> | 2011-03-02 17:49:28 -0300 |
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committer | Hugo Parente Lima <hugo.pl@gmail.com> | 2012-03-08 16:54:02 -0300 |
commit | 70e12fad1ef4ab4129c77da033cfd08716d381ae (patch) | |
tree | 73964e03af7177fb5f18271eecc8a63dd217ed08 /doc/codesnippets/examples/uitools/textfinder/textfinder.cpp | |
parent | 8b83ec73fa255aacca54f9766aa787adf2ac1bc0 (diff) |
Added some missing code snippets to PySide documentation.
Diffstat (limited to 'doc/codesnippets/examples/uitools/textfinder/textfinder.cpp')
-rw-r--r-- | doc/codesnippets/examples/uitools/textfinder/textfinder.cpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/doc/codesnippets/examples/uitools/textfinder/textfinder.cpp b/doc/codesnippets/examples/uitools/textfinder/textfinder.cpp new file mode 100644 index 000000000..edbe22214 --- /dev/null +++ b/doc/codesnippets/examples/uitools/textfinder/textfinder.cpp @@ -0,0 +1,131 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the 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 Nokia Corporation and its Subsidiary(-ies) 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 <QtUiTools> +#include <QtGui> +#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] |