73 lines
2.8 KiB
C++
73 lines
2.8 KiB
C++
#include "colorpickerscene.hpp"
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#include <QApplication>
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#include <QClipboard>
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#include <QGraphicsEllipseItem>
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#include <QGraphicsPixmapItem>
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#include <QGraphicsTextItem>
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#include <QTimer>
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ColorPickerScene::ColorPickerScene(QPixmap *pixmap, QWidget *parentWidget)
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: QGraphicsScene(), QGraphicsView(this, parentWidget) {
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setFrameShape(QFrame::NoFrame); // Time taken to solve: A george99g and 38 minutes.
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint);
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setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::HighQualityAntialiasing);
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setCursor(QCursor(Qt::CrossCursor));
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setMouseTracking(true);
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pItem = addPixmap(*pixmap);
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pItem->setZValue(-2);
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ellipse = addEllipse(QRectF(QCursor::pos(), QSize(20, 20)), QPen(Qt::cyan), Qt::NoBrush);
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QFont font("Monospace");
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font.setStyleHint(QFont::Monospace);
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text = addText("#hiyouu", font);
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textBackground = addRect(text->boundingRect(), Qt::NoPen, QBrush(Qt::black));
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text->setPos(QCursor::pos() + QPoint(25, 0));
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textBackground->setPos(text->pos());
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textBackground->setZValue(-1);
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color = pItem->pixmap().toImage().pixelColor(QCursor::pos());
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text->setPlainText(color.name());
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ellipse->setBrush(color);
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}
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void ColorPickerScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
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color = pItem->pixmap().toImage().pixelColor(event->scenePos().toPoint());
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text->setPlainText(color.name());
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ellipse->setBrush(color);
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qreal bottom = rect().bottom(); // max y
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qreal right = rect().right(); // max x
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qreal width = text->boundingRect().width();
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qreal height = text->boundingRect().height();
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QPointF origPoint = event->scenePos() + QPoint(25, 0);
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QPointF scopePoint = event->scenePos();
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QPointF resPoint = origPoint;
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if (origPoint.x() + width > right) {
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scopePoint -= QPoint(20, 0);
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resPoint -= QPoint(50 + width, 0);
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}
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if (origPoint.y() + height > bottom) {
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scopePoint -= QPoint(0, 20);
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resPoint -= QPoint(0, height);
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}
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ellipse->setRect(QRectF(scopePoint, QSize(20, 20)));
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text->setPos(resPoint);
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textBackground->setPos(text->pos());
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// How does this work? I have no clue....
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// I mean.. It kinda makes sense when you look through it carefully
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// But it's still a mess.
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}
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void ColorPickerScene::keyPressEvent(QKeyEvent *event) {
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if (event->key() == Qt::Key_Return) QApplication::clipboard()->setText(color.name());
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if (event->key() == Qt::Key_Return || event->key() == Qt::Key_Escape) close();
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}
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void ColorPickerScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *) {
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QApplication::clipboard()->setText(color.name());
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close();
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}
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