This article introduces various operations of the QCalendarWidget control in detail, such as: setting the text format of the calendar , setting the size of the calendar , moving the calendar , hiding & displaying the calendar , setting the maximum value of the calendar time , setting the minimum value of the calendar time , clicking the signal & slot , calendar change signal & slot , double-click mouse signal & slot and other operations.
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QT QCalendarWidget control use detailed directory
1 Format the text of the calendar
2 Set the size of the calendar
6 Set the calendar time minimum
8 Calendar change signals & slots
10 Double click mouse signal & slot
1 Format the text of the calendar
//设置日历的文本格式
ui->calendarWidget->setFont(QFont("Timers",8,QFont::Bold));2 Set the size of the calendar
//设置日历的大小
ui->calendarWidget->resize(300,200);3 Calendar mobile
//日历移动
ui->calendarWidget->move(0,200);4 Calendar Hide & Show
//日历隐藏，显示用show（）
//ui->calendarWidget->hide();5 Set calendar time maximum
QDate dateMax(2025,3,5);
ui->calendarWidget->setMaximumDate(dateMax);
///date.toString("yyyy:MM:dd")6 Set the calendar time minimum
QDate dateMin(1999,3,5);
ui->calendarWidget->setMinimumDate(dateMin);7 Click Signals & Slots
connect(ui->calendarWidget,SIGNAL(clicked(QDate)),this,SLOT(clickedSlot(QDate))); //单击信号
//单击信号
void MainWindow::clickedSlot(const QDate date)
{
qDebug()<< "clickedSlot";
qDebug()<< date;
}
8 Calendar change signals & slots
connect(ui->calendarWidget,SIGNAL(selectionChanged()),this,SLOT(calendarChanged())); //日期改变
//改变信号 重新选择日期触发
void MainWindow::calendarChanged()
{
qDebug()<< "日期改变：" << ui->calendarWidget->selectedDate();//打印当前时间
}9 Date Change Signals & Slots
connect(ui->calendarWidget,SIGNAL(currentPageChanged(int,int)),this,SLOT(currentPageChanged(int,int))); //重新选择日期
//重新选择日期
void MainWindow::currentPageChanged(int year, int month)
{
qDebug()<< "currentPageChanged";
qDebug()<< "重新选择日期: " << year << " " << month;
}
10 Double click mouse signal & slot
connect(ui->calendarWidget,SIGNAL(activated(QDate)),this,SLOT(activatedChanged(QDate))); //双击信号
//双击信号 日期触发
void MainWindow::activatedChanged(const QDate date)
{
qDebug()<< "activatedChanged";
qDebug()<< "双击信号：" <<date;
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