kopia lustrzana https://gitlab.com/eliggett/wfview
57 wiersze
1.4 KiB
C++
57 wiersze
1.4 KiB
C++
#include "scrolltest.h"
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scrolltest::scrolltest(QWidget *parent)
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: QWidget{parent}
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{
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}
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void scrolltest::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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widgetWindowHeight = this->height();
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fontSize = 12;
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painter.setRenderHint(QPainter::SmoothPixmapTransform);
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painter.setFont(QFont(this->fontInfo().family(), fontSize));
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painter.setWindow(QRect(0, 0, this->width(), widgetWindowHeight));
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painter.setPen(Qt::red);
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painter.drawText(0,widgetWindowHeight, resultText );
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}
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void scrolltest::wheelEvent(QWheelEvent *we)
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{
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int clicksX = we->angleDelta().x();
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int clicksY = we->angleDelta().y();
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if(abs(clicksX) > maxX)
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maxX = clicksX;
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if(abs(clicksY) > maxY)
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maxY = clicksY;
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if( (clicksX !=0) && (abs(clicksX) < minX))
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minX = abs(clicksX);
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if( (clicksY !=0) && (abs(clicksY) < minY))
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minY = abs(clicksY);
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resultText = QString("X: %1, Y: %2, maxX: %3, maxY: %4")
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.arg(clicksX).arg(clicksY).arg(maxX).arg(maxY);
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if(minX != 999999)
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resultText.append(QString(", minX: %1").arg(minX));
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if(minY != 999999)
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resultText.append(QString(", minY: %1").arg(minY));
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//QFontMetrics fm(this->font());
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//int neededWidth = fm.horizontalAdvance(resultText);
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//this->resize(this->height(), neededWidth);
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emit haveRawClicksXY(clicksX, clicksY);
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update();
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}
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