自定义时间控件MDateWidget

#include "MDateWidget.h"

#include <QLineEdit>

#include <QToolButton>

#include <QCalendarWidget>

#include <QHBoxLayout>

#include <QGroupBox>

MDateWidget::MDateWidget(QWidget *parent) :

    QWidget(parent)

{
  
  

    dateLineEdit = new QLineEdit;

    toolButton = new QToolButton;

    QHBoxLayout *dateLayout = new QHBoxLayout;

    dateLayout->setMargin(0);

    dateLayout->setSpacing(0);

    dateLayout->addWidget(dateLineEdit);

    dateLayout->addWidget(toolButton);

    dateGroupBox = new QGroupBox;

    dateGroupBox->setLayout(dateLayout);

    connect(toolButton,SIGNAL(clicked(bool)),this,SLOT(toolBtnClickedSlot(bool)));

    calendarWidget = new QCalendarWidget;

    calendarWidget->setWindowFlags(Qt::Popup);

    //calendarWidget->setHeaderVisible(false);

    //calendarWidget->setStyleSheet(tr("background-color:lightblue;"));

    QHBoxLayout *mainLayout = new QHBoxLayout;

    mainLayout->setMargin(0);

    mainLayout->setSpacing(0);

    mainLayout->addWidget(dateGroupBox);

    mainLayout->addStretch();

    this->setLayout(mainLayout);

}

MDateWidget::~MDateWidget()

{
  
  

    if(dateLineEdit != NULL)

    {
  
  

        delete dateLineEdit;

        dateLineEdit = NULL;

    }

    if(toolButton != NULL)

    {
  
  

        delete toolButton;

        toolButton = NULL;

    }

    if(dateGroupBox != NULL)

    {
  
  

        delete dateGroupBox;

        dateGroupBox = NULL;

    }

    if(calendarWidget != NULL)

    {
  
  

        delete calendarWidget;

        calendarWidget = NULL;

    }

}

void MDateWidget::toolBtnClickedSlot(bool)

{
  
  

    if(calendarWidget != NULL){
  
  

        // Translates the widget coordinate pos to global screen coordinates.

        calendarWidget->move(this->mapToGlobal(QPoint(0, height())));

        //calendarWidget->move(this->mapToGlobal(QPoint(0,0)));

        calendarWidget->setVisible(true);

    }

}

实现效果：