Added some missing code snippets to PySide documentation.
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12 changed files with 596 additions and 73 deletions
131
doc/codesnippets/examples/uitools/textfinder/textfinder.cpp
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131
doc/codesnippets/examples/uitools/textfinder/textfinder.cpp
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtUiTools>
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#include <QtGui>
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#include "textfinder.h"
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//! [0]
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def __init__(self, parent = None):
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QWidget.__init__(self. parent)
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formWidget = self.loadUiFile()
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//! [1]
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self.ui_findButton = qFindChild(QPushButton, self, "findButton")
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self.ui_textEdit = qFindChild(QTextEdit, self, "textEdit")
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self.ui_lineEdit = qFindChild(QLineEdit, self, "lineEdit")
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//! [0] //! [1]
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//! [2]
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QMetaObject.connectSlotsByName(self)
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//! [2]
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//! [3a]
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self.loadTextFile()
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//! [3a]
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//! [3b]
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layout = QVBoxLayout()
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layout.addWidget(formWidget)
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self.setLayout(layout)
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//! [3b]
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//! [3c]
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self.setWindowTitle("Text Finder")
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self.isFirstTime = True
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//! [3c]
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//! [4]
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def loadUiFile(self):
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loader = QUiLoader()
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return loader.load(":/forms/textfinder.ui", self)
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//! [4]
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//! [5]
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def loadTextFile(self):
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inputFile = QFile(":/forms/input.txt")
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inputFile.open(QIODevice.ReadOnly)
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in = QTextStream(inputFile)
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line = in.readAll()
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inputFile.close()
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self.ui_textEdit.append(line)
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self.ui_textEdit.setUndoRedoEnabled(False)
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self.ui_textEdit.setUndoRedoEnabled(True)
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//! [5]
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//! [6] //! [7]
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@Slot()
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def on_findButton_clicked(self):
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searchString = self.ui_lineEdit.text()
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document = self.ui_textEdit.document()
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found = False
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if not self.isFirstTime:
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document.undo()
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if not searchString:
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QMessageBox.information(self, "Empty Search Field",
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"The search field is empty. Please enter a word and click Find.")
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else:
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highlightCursor = QTextCursor(document)
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cursor = QTextCursor(document)
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cursor.beginEditBlock()
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//! [6]
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plainFormat = QTextCharFormat(highlightCursor.charFormat())
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colorFormat = QTextCharFormat(plainFormat)
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colorFormat.setForeground(Qt.red)
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while not highlightCursor.isNull() and not highlightCursor.atEnd():
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highlightCursor = document.find(searchString, highlightCursor, QTextDocument.FindWholeWords)
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if not highlightCursor.isNull():
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found = True
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highlightCursor.movePosition(QTextCursor.WordRight, QTextCursor.KeepAnchor)
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highlightCursor.mergeCharFormat(colorFormat)
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//! [8]
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cursor.endEditBlock()
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//! [7] //! [9]
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self.isFirstTime = False
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if not found:
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QMessageBox.information(self, "Word Not Found", "Sorry, the word cannot be found.");
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//! [8] //! [9]
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