choice.cpp

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#include "choice.h"
#include "style.h"

#include <qpainter.h>
#include <qapplication.h>


Choice::Choice(const QString &label, QWidget *parent)
	: QWidget(parent)
	, m_label(label) {

	if(s_larrow == NULL) {
		s_larrow= new QPixmap(AStyle::iconpath + "general/choice_left_arrow.png");
		s_rarrow= new QPixmap(AStyle::iconpath + "general/choice_right_arrow.png");
	}
	QFont font = qApp->font();
	font.setPointSize(14);
	setFont(font);
}

void Choice::setLabel(const QString &label)
{
	m_label = label;
}

void Choice::paintEvent(QPaintEvent *)
{
	QPainter p(this);
	int yofs = arrowBaseLinePos();
	p.setBrush(QColor(255, 255, 255));
	p.setPen(QColor(255, 255, 255));
	p.drawRect(rect());
	p.drawPixmap(0, yofs, *s_larrow);
	p.drawPixmap(rArrowXPos(), yofs, *s_rarrow);
	p.setPen(QColor(0, 0, 0));
	p.drawText(rect(), AlignCenter, m_label);
}

int Choice::arrowBaseLinePos()
{
	return (height() - s_rarrow->height())/ 2;
}

int Choice::rArrowXPos()
{
	return width() - s_rarrow->width();
}

QPixmap *Choice::s_larrow= NULL;
QPixmap *Choice::s_rarrow= NULL;

XofYChoice::XofYChoice(int x, int y, QWidget *parent)
	: Choice(QString("%1/%2").arg(x).arg(y), parent)
	, m_x(x)
	, m_y(y)
{
	connect(&mousepress_timer, SIGNAL(timeout()), this, SLOT(updateX()));
}

void XofYChoice::updateX()
{
	if (timer_direction == left) {
		decX();
	}
	else if (timer_direction == right) {
		incX();
	}
}

void XofYChoice::incX()
{
	if (m_x < m_y) {
		emit valueChanged(++m_x);
		setLabel(QString("%1/%2").arg(m_x).arg(m_y));
		update();
	}
}

void XofYChoice::setValues(int x, int y)
{
		m_x = x;
		m_y = y;
		setLabel(QString("%1/%2").arg(m_x).arg(m_y));
}

void XofYChoice::decX()
{
	if (m_x > 1) {
		emit valueChanged(--m_x);
		setLabel(QString("%1/%2").arg(m_x).arg(m_y));
		update();
	}
}

int XofYChoice::getX()
{
	return m_x;
}

void XofYChoice::keyReleaseEvent(QKeyEvent *e)
{
	switch(e->key()) {
		case Key_Left:
			decX();
			break;
		case Key_Right:
			incX();
			break;
		default:
			e->ignore();
			break;
	}
}

QRect XofYChoice::leftArrowRect()
{
	return QRect(0, arrowBaseLinePos(), s_larrow->width(), s_larrow->height());
}

QRect XofYChoice::rightArrowRect()
{
	return QRect(rArrowXPos(), arrowBaseLinePos(), s_rarrow->width(), s_rarrow->height());
}

void XofYChoice::mousePressEvent(QMouseEvent *e)
{
	if (leftArrowRect().contains(e->pos())) {
		timer_direction = left;
		mousepress_timer.start(500);
	}
	else if (rightArrowRect().contains(e->pos())) {
		timer_direction = right;
		mousepress_timer.start(500);
	}
}

void XofYChoice::mouseMoveEvent(QMouseEvent *e)
{
	if (!leftArrowRect().contains(e->pos()) && !rightArrowRect().contains(e->pos())) {
		mousepress_timer.stop();
	}
}

void XofYChoice::mouseReleaseEvent(QMouseEvent *e)
{
	if (mousepress_timer.isActive()) {
		mousepress_timer.stop();
	}

 	if (leftArrowRect().contains(e->pos())) {
		decX();
	}
	else if (rightArrowRect().contains(e->pos())) {
		incX();
	}
}