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Make sure the clipboard is cleared before the QApplication instance is destroyed.

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Also add safety check so we don't try to use the clipboard if it's not available.
This commit is contained in:
Felix Geyer 2012-08-01 17:36:16 +02:00
parent 013a924e43
commit 6e206704f9
2 changed files with 15 additions and 8 deletions
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21
src/gui/Clipboard.cpp
View File

@ -36,13 +36,7 @@ Clipboard::Clipboard(QObject* parent)
{
m_timer->setSingleShot(true);
connect(m_timer, SIGNAL(timeout()), SLOT(clearClipboard()));
}
Clipboard::~Clipboard()
{
if (m_timer->isActive()) {
clearClipboard();
}
connect(qApp, SIGNAL(aboutToQuit()), SLOT(cleanup()));
}
void Clipboard::setText(const QString& text)
@ -66,6 +60,11 @@ void Clipboard::clearClipboard()
{
QClipboard* clipboard = QApplication::clipboard();
if (!clipboard) {
qWarning("Unable to access the clipboard.");
return;
}
clipboard->clear(QClipboard::Clipboard);
if (clipboard->supportsSelection()) {
clipboard->clear(QClipboard::Selection);
@ -77,6 +76,14 @@ void Clipboard::clearClipboard()
#endif
}
void Clipboard::cleanup()
{
if (m_timer->isActive()) {
m_timer->stop();
clearClipboard();
}
}
Clipboard* Clipboard::instance()
{
if (!m_instance) {

2
src/gui/Clipboard.h
View File

@ -29,13 +29,13 @@ class Clipboard : public QObject
Q_OBJECT
public:
~Clipboard();
void setText(const QString& text);
static Clipboard* instance();
private Q_SLOTS:
void clearClipboard();
void cleanup();
private:
explicit Clipboard(QObject* parent = Q_NULLPTR);