103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
#include "coloredit.h"
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#include <QColorDialog>
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#include <QPainter>
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#include <QDebug>
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#include <QApplication>
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ColorEdit::ColorEdit(QWidget *parent):QFrame(parent)
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{
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setFrameStyle(QFrame::Panel);
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setLineWidth(1);
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mColor = QColorConstants::Black;
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}
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QColor ColorEdit::color()
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{
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return mColor;
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}
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void ColorEdit::setColor(const QColor &value)
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{
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if (mColor!=value) {
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mColor=value;
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emit colorChanged(value);
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resize(sizeHint());
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// update();
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}
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}
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QColor ColorEdit::contrast()
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{
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int crBg;
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if (!mColor.isValid())
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crBg = palette().color(QPalette::Base).rgb() & 0xFFFFFF;
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else
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crBg = mColor.rgb() & 0xFFFFFF;
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int TOLERANCE = 30;
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int result;
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if (
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abs(((crBg ) & 0xFF) - 0x80) <= TOLERANCE &&
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abs(((crBg >> 8) & 0xFF) - 0x80) <= TOLERANCE &&
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abs(((crBg >> 16) & 0xFF) - 0x80) <= TOLERANCE
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)
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result = (0x7F7F7F + crBg) & 0xFFFFFF;
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else
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result = crBg ^ 0xFFFFFF;
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return QColor(result);
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}
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QSize ColorEdit::sizeHint() const
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{
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QRect rect;
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if (mColor.isValid() )
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rect = fontMetrics().boundingRect(mColor.name());
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else
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rect = fontMetrics().boundingRect(tr("NONE"));
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return QSize{rect.width()+ 10,
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rect.height()+ 6 };
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}
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void ColorEdit::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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QRect rect = QRect(lineWidth(),lineWidth(),width()-2*lineWidth(),height()-2*lineWidth());
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if (mColor.isValid()) {
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//painter.fillRect(rect,mColor);
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painter.setPen(contrast());
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painter.setBrush(mColor);
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painter.drawRect(rect);
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painter.drawText(rect,Qt::AlignCenter, mColor.name());
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} else {
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//painter.fillRect(rect,palette().color(QPalette::Base));
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painter.setPen(contrast());
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painter.setBrush(palette().color(QPalette::Base));
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painter.drawRect(rect);
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painter.drawText(rect,Qt::AlignCenter, tr("NONE"));
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}
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}
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void ColorEdit::mouseReleaseEvent(QMouseEvent *event)
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{
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QColor c = QColorDialog::getColor();
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if (c.isValid()) {
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setColor(c);
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}
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}
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void ColorEdit::enterEvent(QEvent *event)
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{
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setCursor(Qt::PointingHandCursor);
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}
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void ColorEdit::leaveEvent(QEvent *event)
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{
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setCursor(Qt::ArrowCursor);
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}
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QSize ColorEdit::minimumSizeHint() const
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{
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return sizeHint();
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}
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