goldendict-ng/src/ui/maintabwidget.cc
shenleban tongying dd95690940
clean: simplify tabbar double click detect via qt's built-in methods (#1419)
* clean: simplify tabbar double click detect via qt's built-in methods

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2024-03-18 17:45:06 +08:00

57 lines
1.3 KiB
C++

/* This file is (c) 2012 Tvangeste <i.4m.l33t@yandex.ru>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "maintabwidget.hh"
#include <QEvent>
#include <QMouseEvent>
MainTabWidget::MainTabWidget( QWidget * parent ):
QTabWidget( parent )
{
hideSingleTab = false;
installEventFilter( this );
tabBar()->installEventFilter( this );
}
void MainTabWidget::setHideSingleTab( bool hide )
{
hideSingleTab = hide;
updateTabBarVisibility();
}
void MainTabWidget::tabInserted( int index )
{
(void)index;
updateTabBarVisibility();
// Avoid bug in Qt 4.8.0
setUsesScrollButtons( count() > 10 );
}
void MainTabWidget::tabRemoved( int index )
{
(void)index;
updateTabBarVisibility();
// Avoid bug in Qt 4.8.0
setUsesScrollButtons( count() > 10 );
}
void MainTabWidget::updateTabBarVisibility()
{
tabBar()->setVisible( !hideSingleTab || tabBar()->count() > 1 );
}
bool MainTabWidget::eventFilter( QObject * obj, QEvent * ev )
{
if ( obj == tabBar() && ev->type() == QEvent::MouseButtonPress ) {
QMouseEvent * mev = static_cast< QMouseEvent * >( ev );
if ( mev->button() == Qt::MiddleButton ) {
emit tabCloseRequested( tabBar()->tabAt( mev->pos() ) );
return true;
}
}
return QTabWidget::eventFilter( obj, ev );
}