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Editor: Fix transformSelection() for block selection

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Task-number: QTCREATORBUG-7643

Change-Id: I26f9a3637a39a26e82b72de1143e31b5e55b076e
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>
This commit is contained in:
Christian Stenger
2012-08-17 16:35:48 +02:00
parent a46f0520f8
commit f3e92100cb
2 changed files with 57 additions and 1 deletions
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57
src/plugins/texteditor/basetexteditor.cpp
View File

@@ -6455,8 +6455,12 @@ int BaseTextEditorWidget::rowCount() const
*/
void BaseTextEditorWidget::transformSelection(Internal::TransformationMethod method)
{
QTextCursor cursor = textCursor();
if (hasBlockSelection()) {
transformBlockSelection(method);
return;
}
QTextCursor cursor = textCursor();
int pos = cursor.position();
int anchor = cursor.anchor();
@@ -6482,6 +6486,57 @@ void BaseTextEditorWidget::transformSelection(Internal::TransformationMethod met
setTextCursor(cursor);
}
void BaseTextEditorWidget::transformBlockSelection(Internal::TransformationMethod method)
{
QTextCursor cursor = textCursor();
int minPos = cursor.anchor();
int maxPos = cursor.position();
if (minPos > maxPos)
qSwap(minPos, maxPos);
int leftBound = verticalBlockSelectionFirstColumn();
int rightBound = verticalBlockSelectionLastColumn();
BaseTextBlockSelection::Anchor anchorPosition = d->m_blockSelection.anchor;
QString text = cursor.selectedText();
QString transformedText = text;
QTextBlock currentLine = document()->findBlock(minPos);
int lineStart = currentLine.position();
do {
if (currentLine.contains(lineStart + leftBound)) {
int currentBlockWidth = qBound(0, currentLine.text().length() - leftBound,
rightBound - leftBound);
cursor.setPosition(lineStart + leftBound);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, currentBlockWidth);
transformedText.replace(lineStart + leftBound - minPos, currentBlockWidth,
(cursor.selectedText().*method)());
}
currentLine = currentLine.next();
if (!currentLine.isValid())
break;
lineStart = currentLine.position();
} while (lineStart < maxPos);
if (transformedText == text) {
// if the transformation does not do anything to the selection, do no create an undo step
return;
}
cursor.setPosition(minPos);
cursor.setPosition(maxPos, QTextCursor::KeepAnchor);
cursor.insertText(transformedText);
// restore former block selection
if (anchorPosition <= BaseTextBlockSelection::TopRight)
qSwap(minPos, maxPos);
cursor.setPosition(minPos);
cursor.setPosition(maxPos, QTextCursor::KeepAnchor);
d->m_blockSelection.fromSelection(tabSettings(), cursor);
d->m_blockSelection.anchor = anchorPosition;
d->m_inBlockSelectionMode = true;
d->m_blockSelection.firstVisualColumn = leftBound;
d->m_blockSelection.lastVisualColumn = rightBound;
setTextCursor(d->m_blockSelection.selection(tabSettings()));
viewport()->update();
}
void BaseTextEditorWidget::inSnippetMode(bool *active)
{
*active = d->m_snippetOverlay->isVisible();

1
src/plugins/texteditor/basetexteditor.h
View File

@@ -576,6 +576,7 @@ private:
void processTooltipRequest(const QTextCursor &c);
void transformSelection(Internal::TransformationMethod method);
void transformBlockSelection(Internal::TransformationMethod method);
private slots:
void handleBlockSelection(int diff_row, int diff_col);