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Fully fool-proof TabBar::closeTab()

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Made `TabBar::closeTab()` responsible for all the checks so that none of
them have to be performed before calling that function.
This commit is contained in:
Veloman Yunkan 2024-03-12 15:50:48 +04:00
parent 94d95b68ca
commit f62fc3b626
1 changed files with 5 additions and 19 deletions
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24
src/tabbar.cpp
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@ -39,16 +39,7 @@ TabBar::TabBar(QWidget *parent) :
});
connect(app->getAction(KiwixApp::CloseTabAction), &QAction::triggered,
this, [=]() {
auto index = currentIndex();
if (index < 0)
return;
// library tab cannot be closed
QWidget *w = mp_stackedWidget->widget(index);
if (qobject_cast<ContentManagerView*>(w)) {
return;
}
this->closeTab(index);
this->closeTab(currentIndex());
});
connect(app->getAction(KiwixApp::OpenHomePageAction), &QAction::triggered,
this, [=]() {
@ -278,21 +269,16 @@ void TabBar::closeTabsByZimId(const QString &id)
void TabBar::closeTab(int index)
{
// the last tab is + button, cannot be closed
if (index == this->realTabCount())
// The first and last tabs (i.e. the library tab and the + (new tab) button)
// cannot be closed
if (index <= 0 || index >= this->realTabCount())
return;
QWidget *view = mp_stackedWidget->widget(index);
// library tab cannot be closed
if (qobject_cast<ContentManagerView*>(view)) {
return;
}
if ( index == currentIndex() ) {
setCurrentIndex(index + 1 == realTabCount() ? index - 1 : index + 1);
}
QWidget *view = mp_stackedWidget->widget(index);
mp_stackedWidget->removeWidget(view);
view->setParent(nullptr);
removeTab(index);