widgets/coloredit.cpp

Tue, 11 Apr 2023 11:11:28 +0300

author
Teemu Piippo <teemu.s.piippo@gmail.com>
date
Tue, 11 Apr 2023 11:11:28 +0300
changeset 374
75efc3ba5a56
parent 348
98776f54a8d0
permissions
-rw-r--r--

More refactor and renaming
Added a test function that makes recolors stuff red

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1 #include <QColorDialog>
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2 #include <QHBoxLayout>
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3 #include "widgets/coloredit.h"
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4
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5 ColorEdit::ColorEdit(const QColor& color, QWidget* parent) :
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6 ColorEdit{parent}
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7 {
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8 this->setColor(color);
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9 }
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10
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11 ColorEdit::ColorEdit(QWidget* parent) :
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12 QWidget{parent},
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13 lineEdit{new QLineEdit{this}},
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14 button{new QPushButton{"…", this}}
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15 {
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16 auto*const layout = new QHBoxLayout{};
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17 layout->addWidget(this->lineEdit);
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18 layout->addWidget(this->button);
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19 layout->setStretch(0, 1);
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20 layout->setStretch(1, 0);
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21 this->setLayout(layout);
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22 connect(this->button, &QPushButton::clicked, [&](){
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23 const QColor color = QColorDialog::getColor(this->color(), this->parentWidget());
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24 if (color.isValid()) {
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25 this->setColor(color);
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26 }
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27 });
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28 connect(this->lineEdit, &QLineEdit::textChanged, [&]{
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29 const QColor color = this->color();
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30 const qreal lightness = color.lightnessF();
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31 const QColor foreground = lightness < 0.4 ? Qt::white : Qt::black;
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32 this->setStyleSheet(
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33 QStringLiteral("QLineEdit{background-color: %1; color: %2;}")
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34 .arg(color.name())
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35 .arg(foreground.name()));
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36 Q_EMIT this->colorChanged(this->color());
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37 });
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38 this->setColor(Qt::black);
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39 }
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41 QColor ColorEdit::color() const
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42 {
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43 return QColor{this->lineEdit->text()};
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44 }
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45
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46 void ColorEdit::setColor(const QColor& color)
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47 {
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48 if (color.isValid() and this->color() != color) {
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49 this->lineEdit->setText(color.name());
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50 }
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51 }

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