qt下拉框颜选择器

道闸广告机qt下拉框颜⾊选择器h⽂件

#include<QComboBox>

public中：

void creatColorComboBox(QComboBox *comboBox);

private slot中

void on_comboBoxBrush_currentIndexChanged(int index);捕虾笼

cpp⽂件

先初始化：

rgd-208creatColorComboBox(ui->comboBoxBrush);洗手器

void ledmain::creatColorComboBox(QComboBox *comboBox)

{

QPixmap pix(16,16);

QPainter painter(&pix);止痒沐浴露

painter.fillRect(0,0,16,16,Qt::red);

comboBox->addItem(QIcon(pix),tr("红⾊"),QColor(Qt::red));

painter.fillRect(0,0,16,16,Qt::white);

comboBox->addItem(QIcon(pix),tr("⽩⾊"),QColor(Qt::white));

painter.fillRect(0,0,16,16,Qt::black);

comboBox->addItem(QIcon(pix),tr("⿊⾊"),QColor(Qt::black));

painter.fillRect(0,0,16,16,Qt::green);

comboBox->addItem(QIcon(pix),tr("绿⾊"),QColor(Qt::green));

painter.fillRect(0,0,16,16,Qt::blue);

comboBox->addItem(QIcon(pix),tr("蓝⾊"),QColor(Qt::blue));

painter.fillRect(0,0,16,16,Qt::yellow);

comboBox->addItem(QIcon(pix),tr("黄⾊"),QColor(Qt::yellow));

comboBox->addItem(tr("不选"),QColor(Qt::transparent));

}

void ledmain::on_comboBoxBrush_currentIndexChanged(int index)

{

QColor color = ui->comboBoxBrush->itemData(index,Qt::UserRole).value<QColor>();

液化气燃烧器// qDebug()<<color;

penColor=color;

//setPenColor(color);

}

运⾏效果：

本文发布于:2024-09-22 08:20:23，感谢您对本站的认可！

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