46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
#include "colorlineedit.h"
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QPainter *ColorLineEdit::painter = new QPainter();
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ColorLineEdit::ColorLineEdit(QWidget *parent) : QLineEdit(parent)
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{
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action = this->addAction(defaultIcon, QLineEdit::LeadingPosition);
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connect(action, &QAction::triggered, this, &ColorLineEdit::selectColor);
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connect(this, &QLineEdit::textChanged, this, &ColorLineEdit::updateColorButton);
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}
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void ColorLineEdit::selectColor()
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{
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const QColorDialog::ColorDialogOptions options = QFlag(QColorDialog::DontUseNativeDialog);
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QColor current = QColor(this->text());
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if (!current.isValid()) {
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current = Qt::white;
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}
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const QColor color = QColorDialog::getColor(current, this, nullptr, options);
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if (color.isValid()) {
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this->setText(color.name());
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}
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}
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inline const QIcon ColorLineEdit::getColorIcon(const QColor &color)
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{
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QPixmap pixmap(16, 16);
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pixmap.fill(color);
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painter->begin(&pixmap);
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painter->drawRect(0, 0, pixmap.size().height() - 1, pixmap.size().width() - 1);
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painter->end();
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return QIcon(pixmap);
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}
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void ColorLineEdit::updateColorButton(const QString &text)
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{
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const QColor color = QColor(text);
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const QIcon icon = color.isValid() ? getColorIcon(color) : defaultIcon;
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action->setIcon(icon);
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}
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