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f9ceff009b
Lots and lots and lots of header files were being included without being needed. This attempts to clean some of that crud up. Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
147 lines
3.1 KiB
C++
147 lines
3.1 KiB
C++
#include "starwidget.h"
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#include "metrics.h"
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#include <QSvgRenderer>
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#include <QMouseEvent>
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#include "simplewidgets.h"
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QImage StarWidget::activeStar;
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QImage StarWidget::inactiveStar;
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const QImage& StarWidget::starActive()
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{
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return activeStar;
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}
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const QImage& StarWidget::starInactive()
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{
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return inactiveStar;
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}
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int StarWidget::currentStars() const
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{
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return current;
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}
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void StarWidget::mouseReleaseEvent(QMouseEvent *event)
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{
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if (readOnly) {
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return;
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}
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int starClicked = event->pos().x() / defaultIconMetrics().sz_small + 1;
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if (starClicked > TOTALSTARS)
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starClicked = TOTALSTARS;
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if (current == starClicked)
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current -= 1;
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else
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current = starClicked;
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Q_EMIT valueChanged(current);
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update();
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}
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void StarWidget::paintEvent(QPaintEvent *event)
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{
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QPainter p(this);
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QPixmap active = QPixmap::fromImage(starActive());
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QPixmap inactive = QPixmap::fromImage(starInactive());
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const IconMetrics& metrics = defaultIconMetrics();
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for (int i = 0; i < current; i++)
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p.drawPixmap(i * metrics.sz_small + metrics.spacing, 0, active);
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for (int i = current; i < TOTALSTARS; i++)
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p.drawPixmap(i * metrics.sz_small + metrics.spacing, 0, inactive);
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if (hasFocus()) {
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QStyleOptionFocusRect option;
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option.initFrom(this);
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option.backgroundColor = palette().color(QPalette::Background);
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style()->drawPrimitive(QStyle::PE_FrameFocusRect, &option, &p, this);
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}
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}
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void StarWidget::setCurrentStars(int value)
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{
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current = value;
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update();
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Q_EMIT valueChanged(current);
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}
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StarWidget::StarWidget(QWidget *parent, Qt::WindowFlags f) : QWidget(parent, f),
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current(0),
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readOnly(false)
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{
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int dim = defaultIconMetrics().sz_small;
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if (activeStar.isNull()) {
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QSvgRenderer render(QString(":star"));
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QPixmap renderedStar(dim, dim);
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renderedStar.fill(Qt::transparent);
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QPainter painter(&renderedStar);
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render.render(&painter, QRectF(0, 0, dim, dim));
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activeStar = renderedStar.toImage();
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}
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if (inactiveStar.isNull()) {
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inactiveStar = grayImage(activeStar);
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}
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setFocusPolicy(Qt::StrongFocus);
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}
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QImage grayImage(const QImage& coloredImg)
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{
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QImage img = coloredImg;
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for (int i = 0; i < img.width(); ++i) {
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for (int j = 0; j < img.height(); ++j) {
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QRgb rgb = img.pixel(i, j);
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if (!rgb)
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continue;
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QColor c(rgb);
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int gray = 204 + (c.red() + c.green() + c.blue()) / 15;
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img.setPixel(i, j, qRgb(gray, gray, gray));
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}
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}
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return img;
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}
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QSize StarWidget::sizeHint() const
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{
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const IconMetrics& metrics = defaultIconMetrics();
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return QSize(metrics.sz_small * TOTALSTARS + metrics.spacing * (TOTALSTARS - 1), metrics.sz_small);
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}
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void StarWidget::setReadOnly(bool r)
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{
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readOnly = r;
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}
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void StarWidget::focusInEvent(QFocusEvent *event)
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{
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setFocus();
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QWidget::focusInEvent(event);
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}
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void StarWidget::focusOutEvent(QFocusEvent *event)
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{
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QWidget::focusOutEvent(event);
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}
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void StarWidget::keyPressEvent(QKeyEvent *event)
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{
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if (event->key() == Qt::Key_Up || event->key() == Qt::Key_Right) {
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if (currentStars() < TOTALSTARS) {
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setCurrentStars(currentStars() + 1);
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}
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} else if (event->key() == Qt::Key_Down || event->key() == Qt::Key_Left) {
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if (currentStars() > 0) {
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setCurrentStars(currentStars() - 1);
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}
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}
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}
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