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Editor: Fix potential crash in FunctionHintProposalWidget.

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Task-number: QTCREATORBUG-15275
Change-Id: I8112312d3d27798665d7d28b41b9f2ad845cca14
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
This commit is contained in:
David Schulz
2015-11-03 12:54:45 +01:00
parent 62393af0ab
commit 867fa1ff01
1 changed files with 4 additions and 3 deletions
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7
src/plugins/texteditor/codeassist/functionhintproposalwidget.cpp
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@@ -43,6 +43,7 @@
#include <QHBoxLayout>
#include <QDesktopWidget>
#include <QKeyEvent>
#include <QPointer>
namespace TextEditor {
@@ -56,7 +57,7 @@ struct FunctionHintProposalWidgetPrivate
const QWidget *m_underlyingWidget;
CodeAssistant *m_assistant;
IFunctionHintProposalModel *m_model;
Utils::FakeToolTip *m_popupFrame;
QPointer<Utils::FakeToolTip> m_popupFrame;
QLabel *m_numberLabel;
QLabel *m_hintLabel;
QWidget *m_pager;
@@ -180,9 +181,9 @@ void FunctionHintProposalWidget::closeProposal()
void FunctionHintProposalWidget::abort()
{
qApp->removeEventFilter(this);
if (d->m_popupFrame->isVisible())
d->m_popupFrame->close();
qApp->removeEventFilter(this);
deleteLater();
}
@@ -240,7 +241,7 @@ bool FunctionHintProposalWidget::eventFilter(QObject *obj, QEvent *e)
case QEvent::MouseButtonDblClick:
case QEvent::Wheel:
if (QWidget *widget = qobject_cast<QWidget *>(obj)) {
if (!d->m_popupFrame->isAncestorOf(widget)) {
if (d->m_popupFrame && !d->m_popupFrame->isAncestorOf(widget)) {
abort();
} else if (e->type() == QEvent::Wheel) {
if (static_cast<QWheelEvent*>(e)->delta() > 0)