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/* smplayer, GUI front-end for mplayer.
Copyright (C) 2006-2018 Ricardo Villalba <rvm@users.sourceforge.net>
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "timeslider.h"
#include "helper.h"
#include <QWheelEvent>
#include <QTimer>
#include <QToolTip>
#include <QStyleOption>
#include <QDebug>
#define DEBUG 0
TimeSlider::TimeSlider( QWidget * parent ) : MySlider(parent)
, dont_update(false)
, position(0)
, total_time(0)
{
setMinimum(0);
#ifdef SEEKBAR_RESOLUTION
setMaximum(SEEKBAR_RESOLUTION);
#else
setMaximum(100);
#endif
setFocusPolicy( Qt::NoFocus );
setSizePolicy( QSizePolicy::Expanding , QSizePolicy::Fixed );
connect( this, SIGNAL( sliderPressed() ), this, SLOT( stopUpdate() ) );
connect( this, SIGNAL( sliderReleased() ), this, SLOT( resumeUpdate() ) );
connect( this, SIGNAL( sliderReleased() ), this, SLOT( mouseReleased() ) );
connect( this, SIGNAL( valueChanged(int) ), this, SLOT( valueChanged_slot(int) ) );
#if ENABLE_DELAYED_DRAGGING
connect( this, SIGNAL(draggingPos(int) ), this, SLOT(checkDragging(int)) );
last_pos_to_send = -1;
timer = new QTimer(this);
connect( timer, SIGNAL(timeout()), this, SLOT(sendDelayedPos()) );
timer->start(200);
#endif
}
TimeSlider::~TimeSlider() {
}
void TimeSlider::stopUpdate() {
#if DEBUG
qDebug("TimeSlider::stopUpdate");
#endif
dont_update = true;
}
void TimeSlider::resumeUpdate() {
#if DEBUG
qDebug("TimeSlider::resumeUpdate");
#endif
dont_update = false;
}
void TimeSlider::mouseReleased() {
#if DEBUG
qDebug("TimeSlider::mouseReleased");
#endif
emit posChanged( value() );
}
void TimeSlider::valueChanged_slot(int v) {
#if DEBUG
qDebug("TimeSlider::changedValue_slot: %d", v);
#endif
// Only to make things clear:
bool dragging = dont_update;
if (!dragging) {
if (v!=position) {
#if DEBUG
qDebug(" emitting posChanged");
#endif
emit posChanged(v);
}
} else {
#if DEBUG
qDebug(" emitting draggingPos");
#endif
emit draggingPos(v);
}
}
#if ENABLE_DELAYED_DRAGGING
void TimeSlider::setDragDelay(int d) {
qDebug("TimeSlider::setDragDelay: %d", d);
timer->setInterval(d);
}
int TimeSlider::dragDelay() {
return timer->interval();
}
void TimeSlider::checkDragging(int v) {
qDebug("TimeSlider::checkDragging: %d", v);
last_pos_to_send = v;
}
void TimeSlider::sendDelayedPos() {
if (last_pos_to_send != -1) {
qDebug("TimeSlider::sendDelayedPos: %d", last_pos_to_send);
emit delayedDraggingPos(last_pos_to_send);
last_pos_to_send = -1;
}
}
#endif
void TimeSlider::setPos(int v) {
#if DEBUG
qDebug("TimeSlider::setPos: %d", v);
qDebug(" dont_update: %d", dont_update);
#endif
if (v!=pos()) {
if (!dont_update) {
position = v;
setValue(v);
}
}
}
int TimeSlider::pos() {
return position;
}
void TimeSlider::wheelEvent(QWheelEvent * e) {
//e->ignore();
qDebug("TimeSlider::wheelEvent: delta: %d", e->delta());
e->accept();
if (e->orientation() == Qt::Vertical) {
if (e->delta() >= 0)
emit wheelUp();
else
emit wheelDown();
} else {
qDebug("Timeslider::wheelEvent: horizontal event received, doing nothing");
}
}
bool TimeSlider::event(QEvent *event) {
if (event->type() == QEvent::ToolTip) {
QHelpEvent * help_event = static_cast<QHelpEvent *>(event);
//qDebug() << "TimeSlider::event: x:" << help_event->x() << "maximum:" << maximum() << "width:" << width() << "total_time:" << total_time;
QStyleOptionSlider opt;
initStyleOption(&opt);
const QRect sliderRect = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
const QPoint center = sliderRect.center() - sliderRect.topLeft();
int value = pixelPosToRangeValue(help_event->x() - center.x());
int range = maximum() - minimum();
qreal time = value * total_time / range;
//qDebug() << "TimeSlider::event: value:" << value << "range:" << range << "time:" << time;
if (time >= 0 && time <= total_time) {
QToolTip::showText(help_event->globalPos(), Helper::formatTime(time), this);
} else {
QToolTip::hideText();
event->ignore();
}
return true;
}
return QWidget::event(event);
}
#include "moc_timeslider.cpp"
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