view widgets/NotifyingTabBar.cpp @ 735:1640a7c753cc tonioni

Short-circuit test for enough space for label -- drastically reduces lag on os/x with qt4

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2007 QMUL.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#include "NotifyingTabBar.h"

#include <iostream>

NotifyingTabBar::NotifyingTabBar(QWidget *parent) :
    QTabBar(parent)
{
}

NotifyingTabBar::~NotifyingTabBar()
{
}

void
NotifyingTabBar::mousePressEvent(QMouseEvent *e)
{
    int i = currentIndex();
    QTabBar::mousePressEvent(e);
    if (currentIndex() == i) {
        emit activeTabClicked();
    }
}

void
NotifyingTabBar::enterEvent(QEvent *e)
{
    QTabBar::enterEvent(e);
    emit mouseEntered();
}

void
NotifyingTabBar::leaveEvent(QEvent *e)
{
    QTabBar::enterEvent(e);
    emit mouseLeft();
}