qt-material-widgets/components/tabs.cpp

194 lines
3.8 KiB
C++

#include "tabs.h"
#include <QHBoxLayout>
#include <QPainter>
#include <QPropertyAnimation>
#include "tabs_p.h"
#include "tabs_internal.h"
TabsPrivate::TabsPrivate(Tabs *q)
: q_ptr(q),
tab(-1)
{
}
void TabsPrivate::init()
{
Q_Q(Tabs);
delegate = new TabsDelegate(q);
tabLayout = new QHBoxLayout;
q->setLayout(tabLayout);
tabLayout->setSpacing(0);
tabLayout->setMargin(0);
}
Tabs::Tabs(QWidget *parent)
: QWidget(parent),
d_ptr(new TabsPrivate(this))
{
d_func()->init();
}
Tabs::~Tabs()
{
}
void Tabs::addTab(const QString &text)
{
Q_D(Tabs);
Tab *tab = new Tab(text);
tab->setCornerRadius(0);
d->tabLayout->addWidget(tab);
if (-1 == d->tab) {
d->tab = 0;
d->delegate->updateInkBar();
}
connect(tab, SIGNAL(clicked()), this, SLOT(switchTab()));
}
const QLayout *Tabs::tabLayout() const
{
Q_D(const Tabs);
return d->tabLayout;
}
int Tabs::currentIndex() const
{
Q_D(const Tabs);
return d->tab;
}
void Tabs::paintEvent(QPaintEvent *event)
{
Q_D(Tabs);
QPainter painter(this);
painter.fillRect(d->delegate->inkBarGeometry(), Qt::black);
QWidget::paintEvent(event);
}
void Tabs::moveEvent(QMoveEvent *event)
{
Q_UNUSED(event)
Q_D(Tabs);
d->delegate->updateInkBar();
}
void Tabs::resizeEvent(QResizeEvent *event)
{
Q_UNUSED(event)
Q_D(Tabs);
d->delegate->updateInkBar();
}
void Tabs::switchTab()
{
Q_D(Tabs);
Tab *tab = static_cast<Tab *>(sender());
if (tab) {
d->tab = d->tabLayout->indexOf(tab);
d->delegate->setInkBarGeometry(d->tabLayout->itemAt(d->tab)->geometry());
emit currentChanged(d->tab);
}
}
//#include <QHBoxLayout>
//#include <QPainter>
//#include <QPropertyAnimation>
//#include "tabs.h"
//#include "tab.h"
//
//Tabs::Tabs(QWidget *parent)
// : QWidget(parent),
// _tabLayout(new QHBoxLayout),
// _animation(new QPropertyAnimation(this)),
// _tab(0),
// _tween(1)
//{
// _animation->setPropertyName("tween");
// _animation->setEasingCurve(QEasingCurve::OutCirc);
// _animation->setTargetObject(this);
// _animation->setDuration(700);
//
// setLayout(_tabLayout);
// _tabLayout->setSpacing(0);
// _tabLayout->setMargin(0);
//}
//
//Tabs::~Tabs()
//{
//}
//
//void Tabs::addTab(Tab *tab)
//{
// _tabLayout->addWidget(tab);
// connect(tab, SIGNAL(clicked()), this, SLOT(switchActiveTab()));
//}
//
//void Tabs::paintEvent(QPaintEvent *event)
//{
// Q_UNUSED(event)
//
// QPainter painter(this);
// painter.fillRect(_inkBarGeometry, Qt::black);
//}
//
//void Tabs::switchActiveTab()
//{
// Tab *tab = static_cast<Tab *>(sender());
// if (tab) {
// _previousGeometry = _inkBarGeometry;
// _tab = _tabLayout->indexOf(tab);
// _inkBarGeometry = _tabLayout->itemAt(_tab)->geometry();
// _animation->stop();
// _animation->setStartValue(0);
// _animation->setEndValue(1);
// _animation->start();
// emit currentChanged(_tab);
// }
//}
//
//void Tabs::moveEvent(QMoveEvent *event)
//{
// Q_UNUSED(event)
//
// UpdateInkBar();
//}
//
//void Tabs::resizeEvent(QResizeEvent *event)
//{
// Q_UNUSED(event)
//
// updateInkBar();
//}
//
//void Tabs::updateInkBar()
//{
// QLayoutItem *item = _tabLayout->itemAt(_tab);
// if (item) {
// const QRect &r = item->geometry();
// const qreal s = 1-_tween;
// if (QAbstractAnimation::Running != _animation->state()) {
// _inkBarGeometry = QRect(r.left(), r.bottom()-1, r.width(), 2);
// } else {
// const qreal left = _previousGeometry.left()*s + r.left()*_tween;
// const qreal width = _previousGeometry.width()*s + r.width()*_tween;
// _inkBarGeometry = QRect(left, r.bottom()-1, width, 2);
// }
// update();
// }
//}
//