&ButtonColorChanger::changeButtonColor); } private slots: void changeButtonColor() ...
在这个示例中,我们创建了一个MyWidget类,它继承自QWidget。在构造函数中,我们创建了一个QPushButton按钮,并设置了它的初始颜色为红色。然后,我们使用connect方法将按钮的clicked信号连接到changeButtonColor槽函数。在槽函数中,我们使用sender函数来获取触发信号的按钮对象,并改变它的颜色为蓝色。 需要注意的是,这个示例...
下面是完整的代码: fromPyQt5.QtWidgetsimportQApplication,QMainWindow,QPushButtonfromPyQt5.QtGuiimportQColor# 创建应用程序app=QApplication([])# 创建窗口window=QMainWindow()window.setWindowTitle("Change Button Text Color")window.resize(300,200)# 创建按钮button=QPushButton("Change Color",window)button....
将所有按钮添加到QButtonGroup(使用它们的索引作为id)，然后连接到组的idClicked信号。这将自动发送单击...
void on_pushButton_default_clicked(); //恢复默认设置 void on_pushButton_3_clicked(); //确认修改全局字体样式,背景样式 signals: void changeAllFont(QString, double, int, int, int); //发送信号,修改全局字体 void changeBckgColor(int, int, int); //发送信号,修改背景颜色 ...
public:explicitMyButton(Qt::GlobalColor color, QWidget *parent = NULL) : QPushButton(parent), color_(color) { setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); } QSize sizeHint() const { return QSize(50, 25); } protected:
Q_PROPERTY(QColor textColorOn READ getTextColorOn WRITE setTextColorOn) Q_PROPERTY(QString textOff READ getTextOff WRITE setTextOff) Q_PROPERTY(QString textOn READ getTextOn WRITE setTextOn) public: enum ButtonStyle { ButtonStyle_Rect = 0, //圆角矩形 ...
{24other =newQPushButton(this);25other->setText("other");26tableWidget->setCellWidget(2,0, other);27}28}29connect(other,SIGNAL(clicked()),this,SLOT(otherColor()));30this->setModel(tableWidget->model());31this->setView(tableWidget);32}33voidMyCombobox::change(QString colorname)34{...
{24other =newQPushButton(this);25other->setText("other");26tableWidget->setCellWidget(2,0, other);27}28}29connect(other,SIGNAL(clicked()),this,SLOT(otherColor()));30this->setModel(tableWidget->model());31this->setView(tableWidget);32}33voidMyCombobox::change(QString colorname)34{...
(event->button() == Qt::LeftButton) { // 改变按钮按下时的样式 setStyleSheet("background-color: gray;"); } QWidget::mousePressEvent(event); } void CustomButton::mouseReleaseEvent(QMouseEvent *event) { if (event->button() == Qt::LeftButton) { // 改变按钮释放时的样式 setStyleSheet(...