1 files changed, 213 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/textdocument-selections/mainwindow.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/textdocument-selections/mainwindow.cpp
new file mode 100644
index 000000000..bde20edda
--- /dev/null
+++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/textdocument-selections/mainwindow.cpp
@@ -0,0 +1,213 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of PySide2.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 <QtWidgets>
+
+#include "mainwindow.h"
+
+MainWindow::MainWindow()
+{
+    QMenu *fileMenu = new QMenu(tr("&File"));
+
+    fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()),
+                        QKeySequence(tr("Ctrl+O", "File|Open")));
+
+    QAction *quitAction = fileMenu->addAction(tr("E&xit"), this, SLOT(close()));
+    quitAction->setShortcut(tr("Ctrl+Q"));
+
+    QMenu *editMenu = new QMenu(tr("&Edit"));
+
+    cutAction = editMenu->addAction(tr("Cu&t"), this, SLOT(cutSelection()));
+    cutAction->setShortcut(tr("Ctrl+X"));
+    cutAction->setEnabled(false);
+
+    copyAction = editMenu->addAction(tr("&Copy"), this, SLOT(copySelection()));
+    copyAction->setShortcut(tr("Ctrl+C"));
+    copyAction->setEnabled(false);
+
+    pasteAction = editMenu->addAction(tr("&Paste"), this, SLOT(pasteSelection()));
+    pasteAction->setShortcut(tr("Ctrl+V"));
+    pasteAction->setEnabled(false);
+
+    QMenu *selectMenu = new QMenu(tr("&Select"));
+    selectMenu->addAction(tr("&Word"), this, SLOT(selectWord()));
+    selectMenu->addAction(tr("&Line"), this, SLOT(selectLine()));
+    selectMenu->addAction(tr("&Block"), this, SLOT(selectBlock()));
+    selectMenu->addAction(tr("&Frame"), this, SLOT(selectFrame()));
+
+    menuBar()->addMenu(fileMenu);
+    menuBar()->addMenu(editMenu);
+    menuBar()->addMenu(selectMenu);
+
+    editor = new QTextEdit(this);
+    document = new QTextDocument(this);
+    editor->setDocument(document);
+
+    connect(editor, SIGNAL(selectionChanged()), this, SLOT(updateMenus()));
+
+    setCentralWidget(editor);
+    setWindowTitle(tr("Text Document Writer"));
+}
+
+void MainWindow::openFile()
+{
+    QString fileName = QFileDialog::getOpenFileName(this,
+        tr("Open file"), currentFile, "HTML files (*.html);;Text files (*.txt)");
+    
+    if (!fileName.isEmpty()) {
+        QFileInfo info(fileName);
+        if (info.completeSuffix() == "html") {
+            QFile file(fileName);
+            
+            if (file.open(QFile::ReadOnly)) {
+                editor->setHtml(QString(file.readAll()));
+                file.close();
+                currentFile = fileName;
+            }
+        } else if (info.completeSuffix() == "txt") {
+            QFile file(fileName);
+            
+            if (file.open(QFile::ReadOnly)) {
+                editor->setPlainText(file.readAll());
+                file.close();
+                currentFile = fileName;
+            }
+        }
+    }
+}
+
+void MainWindow::cutSelection()
+{
+    QTextCursor cursor = editor->textCursor();
+    if (cursor.hasSelection()) {
+        selection = cursor.selection();
+        cursor.removeSelectedText();
+    }
+}
+
+void MainWindow::copySelection()
+{
+    QTextCursor cursor = editor->textCursor();
+    if (cursor.hasSelection()) {
+        selection = cursor.selection();
+        cursor.clearSelection();
+    }
+}
+
+void MainWindow::pasteSelection()
+{
+    QTextCursor cursor = editor->textCursor();
+    cursor.insertFragment(selection);
+}
+
+void MainWindow::selectWord()
+{
+    QTextCursor cursor = editor->textCursor();
+    QTextBlock block = cursor.block();
+
+//! [0]
+    cursor.beginEditBlock();
+//! [1]
+    cursor.movePosition(QTextCursor::StartOfWord);
+    cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
+//! [1]
+    cursor.endEditBlock();
+//! [0]
+
+    editor->setTextCursor(cursor);
+}
+
+void MainWindow::selectLine()
+{
+    QTextCursor cursor = editor->textCursor();
+    QTextBlock block = cursor.block();
+
+    cursor.beginEditBlock();
+    cursor.movePosition(QTextCursor::StartOfLine);
+    cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
+    cursor.endEditBlock();
+
+    editor->setTextCursor(cursor);
+}
+
+void MainWindow::selectBlock()
+{
+    QTextCursor cursor = editor->textCursor();
+    QTextBlock block = cursor.block();
+
+    cursor.beginEditBlock();
+    cursor.movePosition(QTextCursor::StartOfBlock);
+    cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
+    cursor.endEditBlock();
+
+    editor->setTextCursor(cursor);
+}
+
+void MainWindow::selectFrame()
+{
+    QTextCursor cursor = editor->textCursor();
+    QTextFrame *frame = cursor.currentFrame();
+
+    cursor.beginEditBlock();
+    cursor.setPosition(frame->firstPosition());
+    cursor.setPosition(frame->lastPosition(), QTextCursor::KeepAnchor);
+    cursor.endEditBlock();
+
+    editor->setTextCursor(cursor);
+}
+
+void MainWindow::updateMenus()
+{
+    QTextCursor cursor = editor->textCursor();
+    cutAction->setEnabled(cursor.hasSelection());
+    copyAction->setEnabled(cursor.hasSelection());
+
+    pasteAction->setEnabled(!selection.isEmpty());
+}