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Diffstat (limited to 'examples/uitools/textfinder/textfinder.cpp')
| -rw-r--r-- | examples/uitools/textfinder/textfinder.cpp | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/examples/uitools/textfinder/textfinder.cpp b/examples/uitools/textfinder/textfinder.cpp deleted file mode 100644 index 041c36f218..0000000000 --- a/examples/uitools/textfinder/textfinder.cpp +++ /dev/null @@ -1,155 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 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 <QtWidgets> -#include "textfinder.h" - -//! [0] -TextFinder::TextFinder(QWidget *parent) - : QWidget(parent) -{ - QWidget *formWidget = loadUiFile(); - -//! [1] - ui_findButton = findChild<QPushButton*>("findButton"); - ui_textEdit = findChild<QTextEdit*>("textEdit"); - ui_lineEdit = findChild<QLineEdit*>("lineEdit"); -//! [0] //! [1] - -//! [2] - QMetaObject::connectSlotsByName(this); -//! [2] - -//! [3a] - loadTextFile(); -//! [3a] - -//! [3b] - QVBoxLayout *layout = new QVBoxLayout; - layout->addWidget(formWidget); - setLayout(layout); -//! [3b] - -//! [3c] - setWindowTitle(tr("Text Finder")); - isFirstTime = true; -} -//! [3c] - -//! [4] -QWidget* TextFinder::loadUiFile() -{ - QUiLoader loader; - - QFile file(":/forms/textfinder.ui"); - file.open(QFile::ReadOnly); - - QWidget *formWidget = loader.load(&file, this); - file.close(); - - return formWidget; -} -//! [4] - -//! [5] -void TextFinder::loadTextFile() -{ - QFile inputFile(":/forms/input.txt"); - inputFile.open(QIODevice::ReadOnly); - QTextStream in(&inputFile); - QString line = in.readAll(); - inputFile.close(); - - ui_textEdit->append(line); - ui_textEdit->setUndoRedoEnabled(false); - ui_textEdit->setUndoRedoEnabled(true); -} -//! [5] - -//! [6] //! [7] -void TextFinder::on_findButton_clicked() -{ - QString searchString = ui_lineEdit->text(); - QTextDocument *document = ui_textEdit->document(); - - bool found = false; - - if (isFirstTime == false) - document->undo(); - - if (searchString.isEmpty()) { - QMessageBox::information(this, tr("Empty Search Field"), - "The search field is empty. Please enter a word and click Find."); - } else { - - QTextCursor highlightCursor(document); - QTextCursor cursor(document); - - cursor.beginEditBlock(); -//! [6] - - QTextCharFormat plainFormat(highlightCursor.charFormat()); - QTextCharFormat colorFormat = plainFormat; - colorFormat.setForeground(Qt::red); - - while (!highlightCursor.isNull() && !highlightCursor.atEnd()) { - highlightCursor = document->find(searchString, highlightCursor, QTextDocument::FindWholeWords); - - if (!highlightCursor.isNull()) { - found = true; - highlightCursor.movePosition(QTextCursor::WordRight, - QTextCursor::KeepAnchor); - highlightCursor.mergeCharFormat(colorFormat); - } - } - -//! [8] - cursor.endEditBlock(); -//! [7] //! [9] - isFirstTime = false; - - if (found == false) { - QMessageBox::information(this, tr("Word Not Found"), - "Sorry, the word cannot be found."); - } - } -} -//! [8] //! [9] |