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/*********
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2016 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License version 2.0.
*
**********/
#include "frontend/keychooser/cscrollerwidgetset.h"
#include <QString>
#include <QToolButton>
#include <QVBoxLayout>
#include <QWheelEvent>
#include "frontend/keychooser/cscrollbutton.h"
#include "util/btconnect.h"
#define WIDTH (static_cast<unsigned int>(16))
#define ARROW_HEIGHT (static_cast<unsigned int>(12))
#define MOVER_HEIGHT (static_cast<unsigned int>(6))
CScrollerWidgetSet::CScrollerWidgetSet(QWidget * parent)
: QWidget(parent)
{
m_layout = new QVBoxLayout(this);
m_layout->setSpacing(0);
m_layout->setContentsMargins(0, 0, 0, 0);
m_layout->setAlignment(this, Qt::AlignHCenter | Qt::AlignCenter);
m_buttonUp = new QToolButton(this);
m_buttonUp->setArrowType(Qt::UpArrow);
m_buttonUp->setFixedSize(WIDTH, ARROW_HEIGHT);
m_buttonUp->setFocusPolicy(Qt::NoFocus);
m_buttonUp->setAutoRaise(true);
m_scrollButton = new CScrollButton(this);
m_scrollButton->setFixedSize(WIDTH, MOVER_HEIGHT);
m_scrollButton->setFocusPolicy(Qt::NoFocus);
m_buttonDown = new QToolButton(this);
m_buttonDown->setArrowType(Qt::DownArrow);
m_buttonDown->setFixedSize(WIDTH, ARROW_HEIGHT);
m_buttonDown->setFocusPolicy(Qt::NoFocus);
m_buttonDown->setAutoRaise(true);
m_layout->addWidget(m_buttonUp, 0);
m_layout->addWidget(m_scrollButton, 0);
m_layout->addWidget(m_buttonDown, 0);
setMinimumWidth(WIDTH); // Kludge to add some spacing but seems to work.
BT_CONNECT(m_scrollButton, SIGNAL(lock()), SLOT(slotLock()));
BT_CONNECT(m_scrollButton, SIGNAL(unlock()), SLOT(slotUnlock()));
BT_CONNECT(m_scrollButton, SIGNAL(change_requested(int)),
SLOT(slotScroller(int)));
BT_CONNECT(m_buttonUp, SIGNAL(clicked()), SLOT(slotUpClick()));
BT_CONNECT(m_buttonDown, SIGNAL(clicked()), SLOT(slotDownClick()));
}
/** Sets the tooltips for the given entries using the parameters as text. */
void CScrollerWidgetSet::setToolTips(const QString & nextEntryTip,
const QString & scrollButtonTip,
const QString & previousEntryTip)
{
m_scrollButton->setToolTip(scrollButtonTip);
m_buttonDown->setToolTip(nextEntryTip);
m_buttonUp->setToolTip(previousEntryTip);
}
void CScrollerWidgetSet::wheelEvent(QWheelEvent * e) {
int const delta = e->delta();
if (delta == 0) {
e->ignore();
} else {
emit change((delta > 0) ? -1 : 1);
e->accept();
}
}
void CScrollerWidgetSet::slotLock() {
emit scroller_pressed();
}
void CScrollerWidgetSet::slotUnlock() {
emit scroller_released();
}
void CScrollerWidgetSet::slotScroller(int n) {
emit change(n);
}
void CScrollerWidgetSet::slotUpClick() {
slotScroller(-1);
}
void CScrollerWidgetSet::slotDownClick() {
slotScroller(1);
}
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