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Avoid creating unnecessary event loops

Browse Source 
The `exec()` method will create another event loop and transfer
control over there which might introduce unexpected bugs.
This commit is contained in:
Chocobo1
2019-06-03 15:10:19 +08:00
parent 206bb018dd
commit 3748b995ff
22 changed files with 509 additions and 476 deletions
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62
src/gui/rss/rsswidget.cpp
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@@ -147,38 +147,45 @@ void RSSWidget::displayRSSListMenu(const QPoint &pos)
if (!m_feedListWidget->indexAt(pos).isValid())
// No item under the mouse, clear selection
m_feedListWidget->clearSelection();
QMenu myRSSListMenu(this);
QList<QTreeWidgetItem *> selectedItems = m_feedListWidget->selectedItems();
QMenu *menu = new QMenu(this);
menu->setAttribute(Qt::WA_DeleteOnClose);
const QList<QTreeWidgetItem *> selectedItems = m_feedListWidget->selectedItems();
if (!selectedItems.isEmpty()) {
myRSSListMenu.addAction(m_ui->actionUpdate);
myRSSListMenu.addAction(m_ui->actionMarkItemsRead);
myRSSListMenu.addSeparator();
menu->addAction(m_ui->actionUpdate);
menu->addAction(m_ui->actionMarkItemsRead);
menu->addSeparator();
if (selectedItems.size() == 1) {
if (selectedItems.first() != m_feedListWidget->stickyUnreadItem()) {
myRSSListMenu.addAction(m_ui->actionRename);
myRSSListMenu.addAction(m_ui->actionDelete);
myRSSListMenu.addSeparator();
menu->addAction(m_ui->actionRename);
menu->addAction(m_ui->actionDelete);
menu->addSeparator();
if (m_feedListWidget->isFolder(selectedItems.first()))
myRSSListMenu.addAction(m_ui->actionNewFolder);
menu->addAction(m_ui->actionNewFolder);
}
}
else {
myRSSListMenu.addAction(m_ui->actionDelete);
myRSSListMenu.addSeparator();
menu->addAction(m_ui->actionDelete);
menu->addSeparator();
}
myRSSListMenu.addAction(m_ui->actionNewSubscription);
menu->addAction(m_ui->actionNewSubscription);
if (m_feedListWidget->isFeed(selectedItems.first())) {
myRSSListMenu.addSeparator();
myRSSListMenu.addAction(m_ui->actionCopyFeedURL);
menu->addSeparator();
menu->addAction(m_ui->actionCopyFeedURL);
}
}
else {
myRSSListMenu.addAction(m_ui->actionNewSubscription);
myRSSListMenu.addAction(m_ui->actionNewFolder);
myRSSListMenu.addSeparator();
myRSSListMenu.addAction(m_ui->actionUpdateAllFeeds);
menu->addAction(m_ui->actionNewSubscription);
menu->addAction(m_ui->actionNewFolder);
menu->addSeparator();
menu->addAction(m_ui->actionUpdateAllFeeds);
}
myRSSListMenu.exec(QCursor::pos());
menu->popup(QCursor::pos());
}
void RSSWidget::displayItemsListMenu(const QPoint &)
@@ -197,13 +204,16 @@ void RSSWidget::displayItemsListMenu(const QPoint &)
break;
}
QMenu myItemListMenu(this);
QMenu *myItemListMenu = new QMenu(this);
myItemListMenu->setAttribute(Qt::WA_DeleteOnClose);
if (hasTorrent)
myItemListMenu.addAction(m_ui->actionDownloadTorrent);
myItemListMenu->addAction(m_ui->actionDownloadTorrent);
if (hasLink)
myItemListMenu.addAction(m_ui->actionOpenNewsURL);
if (hasTorrent || hasLink)
myItemListMenu.exec(QCursor::pos());
myItemListMenu->addAction(m_ui->actionOpenNewsURL);
if (!myItemListMenu->isEmpty())
myItemListMenu->popup(QCursor::pos());
}
void RSSWidget::askNewFolder()
@@ -516,7 +526,9 @@ void RSSWidget::updateRefreshInterval(uint val)
void RSSWidget::on_rssDownloaderBtn_clicked()
{
AutomatedRssDownloader(this).exec();
auto *downloader = new AutomatedRssDownloader(this);
downloader->setAttribute(Qt::WA_DeleteOnClose);
downloader->open();
}
void RSSWidget::handleSessionProcessingStateChanged(bool enabled)