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Fix: Folded code is deleted on save

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Also fixes a crash when folding code at the very end
of the document

Task-number: QTCREATORBUG-2159
This commit is contained in:
mae
2010-09-07 15:55:06 +02:00
parent 793caf0fc6
commit 6efdc7cff0
3 changed files with 10 additions and 3 deletions
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6
src/plugins/texteditor/basetextdocument.cpp
View File

@@ -165,8 +165,8 @@ bool BaseTextDocument::save(const QString &fileName)
// When saving the current editor, make sure to maintain the cursor position for undo
Core::IEditor *currentEditor = Core::EditorManager::instance()->currentEditor();
if (BaseTextEditorEditable *editable = qobject_cast<BaseTextEditorEditable*>(currentEditor)) {
if (editable->file() == this)
cursor = editable->editor()->textCursor();
if (editable->file() == this)
cursor.setPosition(editable->editor()->textCursor().position());
}
cursor.beginEditBlock();
@@ -373,6 +373,7 @@ void BaseTextDocument::cleanWhitespace(const QTextCursor &cursor)
{
bool hasSelection = cursor.hasSelection();
QTextCursor copyCursor = cursor;
copyCursor.setVisualNavigation(false);
copyCursor.beginEditBlock();
cleanWhitespace(copyCursor, true, true);
if (!hasSelection)
@@ -383,6 +384,7 @@ void BaseTextDocument::cleanWhitespace(const QTextCursor &cursor)
void BaseTextDocument::cleanWhitespace(QTextCursor &cursor, bool cleanIndentation, bool inEntireDocument)
{
BaseTextDocumentLayout *documentLayout = qobject_cast<BaseTextDocumentLayout*>(m_document->documentLayout());
Q_ASSERT(cursor.visualNavigation() == false);
QTextBlock block = m_document->findBlock(cursor.selectionStart());
QTextBlock end;

3
src/plugins/texteditor/basetextdocumentlayout.cpp
View File

@@ -175,6 +175,9 @@ void TextBlockUserData::doCollapse(const QTextBlock& block, bool visible)
return;
}
if (!visible && !cursor.block().next().isValid())
return; // WORKAROUND for a QPlainTextEdit bug, we cannot collapse at the very end, would crash
QTextBlock b = block.next();
while (b < cursor.block()) {
b.setVisible(visible);

4
src/plugins/texteditor/basetexteditor.cpp
View File

@@ -1451,6 +1451,8 @@ void BaseTextEditor::setTextCursor(const QTextCursor &cursor)
QTextCursor c = cursor;
c.setVisualNavigation(true);
QPlainTextEdit::setTextCursor(c);
if (!c.block().isVisible())
expand();
if (selectionChange)
slotSelectionChanged();
}
@@ -3238,7 +3240,7 @@ void BaseTextEditor::updateCurrentLineHighlight()
if (block.isValid())
d->m_extraArea->update(blockBoundingGeometry(block).translated(offset).toAlignedRect());
block = document()->findBlockByNumber(cursorBlockNumber);
if (block.isValid())
if (block.isValid() && block.isVisible())
d->m_extraArea->update(blockBoundingGeometry(block).translated(offset).toAlignedRect());
d->m_cursorBlockNumber = cursorBlockNumber;
}