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More concise handling of switch-to-tab#N shortcuts

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Obtaining the value of the ALT+[0-9] shortcut from the action objects
would be justified if they were connected to the same (shared) handler.
But since handlers are distinct lambda objects the sought value can be
obtained via a captured variable.
This commit is contained in:
Veloman Yunkan 2024-03-12 16:42:45 +04:00
parent b39597b501
commit dcc41e2bc2
1 changed files with 5 additions and 17 deletions
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22
src/tabbar.cpp
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@ -52,25 +52,13 @@ TabBar::TabBar(QWidget *parent) :
for (int i = 0 ; i <= 9 ; i++) {
QAction *a = new QAction(this);
a->setData(QVariant::fromValue(i));
QKeySequence ks(Qt::ALT | (Qt::Key_0 + i));
a->setShortcut(ks);
a->setShortcut(QKeySequence(Qt::ALT | (Qt::Key_0 + i)));
addAction(a);
connect(a, &QAction::triggered, this, [=](){
QAction *a = qobject_cast<QAction*>(QObject::sender());
if (!a)
return;
bool ok;
int tab_n = a->data().toInt(&ok);
if (tab_n==0)
tab_n=10;
if (!ok)
return;
if (tab_n >= count())
return;
setCurrentIndex(tab_n-1);
const int tabIndex = i == 0 ? 9 : i - 1;
if (tabIndex < realTabCount()) {
setCurrentIndex(tabIndex);
}
});
}