本文整理汇总了C++中QTextCursor::setVisualNavigation方法的典型用法代码示例。如果您正苦于以下问题：C++ QTextCursor::setVisualNavigation方法的具体用法？C++ QTextCursor::setVisualNavigation怎么用？C++ QTextCursor::setVisualNavigation使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QTextCursor的用法示例。
在下文中一共展示了QTextCursor::setVisualNavigation方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: moveLineUpDown
void GenericCodeEditor::moveLineUpDown(bool up)
{
// directly taken from qtcreator
// Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
// GNU Lesser General Public License
QTextCursor cursor = textCursor();
QTextCursor move = cursor;
move.setVisualNavigation(false); // this opens folded items instead of destroying them
move.beginEditBlock();
bool hasSelection = cursor.hasSelection();
if (cursor.hasSelection()) {
move.setPosition(cursor.selectionStart());
move.movePosition(QTextCursor::StartOfBlock);
move.setPosition(cursor.selectionEnd(), QTextCursor::KeepAnchor);
move.movePosition(move.atBlockStart() ? QTextCursor::Left: QTextCursor::EndOfBlock,
QTextCursor::KeepAnchor);
} else {
move.movePosition(QTextCursor::StartOfBlock);
move.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
}
QString text = move.selectedText();
move.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
move.removeSelectedText();
if (up) {
move.movePosition(QTextCursor::PreviousBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.movePosition(QTextCursor::EndOfBlock);
if (move.atBlockStart()) { // empty block
move.movePosition(QTextCursor::NextBlock);
move.insertBlock();
move.movePosition(QTextCursor::Left);
} else {
move.insertBlock();
}
}
int start = move.position();
move.clearSelection();
move.insertText(text);
int end = move.position();
if (hasSelection) {
move.setPosition(start);
move.setPosition(end, QTextCursor::KeepAnchor);
}
move.endEditBlock();
setTextCursor(move);
}