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Pass this context object to the connect()

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Otherwise when "this" instance
gets deleted and the sender still exists, the lambda
expression is still invoked for the deleted object.

Task-number: QTCREATORBUG-20223
Change-Id: Ifd5c9e6ce1fe7fde71698c6683cdfcd7566e8d35
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
This commit is contained in:
Jarek Kobus
2018-04-06 15:57:30 +02:00
parent 18ad5653d5
commit e806ea40cc
4 changed files with 14 additions and 14 deletions
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4
src/plugins/diffeditor/descriptionwidgetwatcher.cpp
View File

@@ -44,7 +44,7 @@ DescriptionWidgetWatcher::DescriptionWidgetWatcher(DiffEditorController *control
m_widgets.append(widget);
}
connect(EditorManager::instance(), &EditorManager::editorOpened,
connect(EditorManager::instance(), &EditorManager::editorOpened, this,
[this](IEditor *editor) {
if (TextEditor::TextEditorWidget *widget = descriptionWidget(editor)) {
m_widgets.append(widget);
@@ -52,7 +52,7 @@ DescriptionWidgetWatcher::DescriptionWidgetWatcher(DiffEditorController *control
}
});
connect(EditorManager::instance(), &EditorManager::editorAboutToClose,
connect(EditorManager::instance(), &EditorManager::editorAboutToClose, this,
[this](IEditor *editor) {
if (TextEditor::TextEditorWidget *widget = descriptionWidget(editor)) {
emit descriptionWidgetRemoved(widget);

6
src/plugins/diffeditor/diffeditorwidgetcontroller.cpp
View File

@@ -227,7 +227,7 @@ void DiffEditorWidgetController::addCodePasterAction(QMenu *menu, int fileIndex,
if (ExtensionSystem::PluginManager::getObject<CodePaster::Service>()) {
// optional code pasting service
QAction *sendChunkToCodePasterAction = menu->addAction(tr("Send Chunk to CodePaster..."));
connect(sendChunkToCodePasterAction, &QAction::triggered, [this, fileIndex, chunkIndex]() {
connect(sendChunkToCodePasterAction, &QAction::triggered, this, [this, fileIndex, chunkIndex]() {
sendChunkToCodePaster(fileIndex, chunkIndex);
});
}
@@ -253,7 +253,7 @@ bool DiffEditorWidgetController::fileNamesAreDifferent(int fileIndex) const
void DiffEditorWidgetController::addApplyAction(QMenu *menu, int fileIndex, int chunkIndex)
{
QAction *applyAction = menu->addAction(tr("Apply Chunk..."));
connect(applyAction, &QAction::triggered, [this, fileIndex, chunkIndex]() {
connect(applyAction, &QAction::triggered, this, [this, fileIndex, chunkIndex]() {
patch(false, fileIndex, chunkIndex);
});
applyAction->setEnabled(chunkExists(fileIndex, chunkIndex) && fileNamesAreDifferent(fileIndex));
@@ -262,7 +262,7 @@ void DiffEditorWidgetController::addApplyAction(QMenu *menu, int fileIndex, int
void DiffEditorWidgetController::addRevertAction(QMenu *menu, int fileIndex, int chunkIndex)
{
QAction *revertAction = menu->addAction(tr("Revert Chunk..."));
connect(revertAction, &QAction::triggered, [this, fileIndex, chunkIndex]() {
connect(revertAction, &QAction::triggered, this, [this, fileIndex, chunkIndex]() {
patch(true, fileIndex, chunkIndex);
});
revertAction->setEnabled(chunkExists(fileIndex, chunkIndex));

8
src/plugins/diffeditor/sidebysidediffeditorwidget.cpp
View File

@@ -166,7 +166,7 @@ SideDiffEditorWidget::SideDiffEditorWidget(QWidget *parent)
settings.m_highlightBlocks = false;
SelectableTextEditorWidget::setDisplaySettings(settings);
connect(this, &TextEditorWidget::tooltipRequested, [this](const QPoint &point, int position) {
connect(this, &TextEditorWidget::tooltipRequested, this, [this](const QPoint &point, int position) {
const int block = document()->findBlock(position).blockNumber();
const auto it = m_fileInfo.constFind(block);
if (it != m_fileInfo.constEnd())
@@ -648,10 +648,10 @@ SideBySideDiffEditorWidget::SideBySideDiffEditorWidget(QWidget *parent)
};
setupHighlightController();
connect(m_leftEditor, &SideDiffEditorWidget::gotDisplaySettings, setupHighlightController);
connect(m_leftEditor, &SideDiffEditorWidget::gotDisplaySettings, this, setupHighlightController);
m_rightEditor->verticalScrollBar()->setFocusProxy(m_leftEditor);
connect(m_leftEditor, &SideDiffEditorWidget::gotFocus, [this]() {
connect(m_leftEditor, &SideDiffEditorWidget::gotFocus, this, [this]() {
if (m_rightEditor->verticalScrollBar()->focusProxy() == m_leftEditor)
return; // We already did it before.
@@ -672,7 +672,7 @@ SideBySideDiffEditorWidget::SideBySideDiffEditorWidget(QWidget *parent)
// too. We bring back the original policy to keep tab focus working.
m_leftEditor->setFocusPolicy(Qt::StrongFocus);
});
connect(m_rightEditor, &SideDiffEditorWidget::gotFocus, [this]() {
connect(m_rightEditor, &SideDiffEditorWidget::gotFocus, this, [this]() {
// Unhack #1.
m_rightEditor->verticalScrollBar()->setFocusProxy(nullptr);
// Unhack #2.