SmartPDCode/Qt/Qt_Test/msgwidget.cpp

#include "msgwidget.h"
#include "ui_msgwidget.h"
#include <QDebug>
#include "pdu_ctrl.h"
MSGWidget::MSGWidget(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::MSGWidget)
{
    ui->setupUi(this);
    setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint);
    setAttribute(Qt::WA_TranslucentBackground);
    ui->label_Data->setWordWrap(true);
    QString strBKG="";
#ifdef RS485Type//()
    strBKG="QWidget{background-color: rgb(0, 225, 225);color: rgb(0, 0, 0);}";
#else
    strBKG="QWidget{background-color: rgb(30, 30, 255);color: rgb(255, 255, 255);}";
#endif
    this->setStyleSheet(strBKG);
}

MSGWidget::~MSGWidget()
{
    delete ui;
}

void MSGWidget::SetText(QString strShow)
{
    ui->label_Data->setText(strShow);
}

void MSGWidget::setFW(int nW)
{
    int nHightData=ui->label_Data->heightForWidth(nW-10);
    int nHight=ui->label_Warning->heightForWidth(nW-10);
    int nSum=nHightData+nHight+2;
    // 强制处理所有待处理的事件，确保尺寸更新
    QApplication::processEvents();

    ui->label_Data->setFixedSize(nW-10,nHightData);
    ui->label_Warning->setFixedSize(nW-10,nHight);
    //this->setFixedSize(nW-5,nSum+10);

    // 强制更新布局
    this->layout()->activate();
    this->updateGeometry();
    update(); // 可选：强制重绘整个窗口

    qDebug()<<"MSGWidget label_Size"<<ui->label_Data->size().width()<<"X"<<ui->label_Data->size().height();
    qDebug()<<"MSGWidget label2_Size"<<ui->label_Warning->size().width()<<"X"<<ui->label_Warning->size().height();
    qDebug()<<"MSGWidget heightForWidth"<<nHightData;
    qDebug()<<"MSGWidget setFixedSize"<<nW-5<<"X"<<nSum+10;
    //qDebug()<<"MSGWidget FinalFixedSize"<<this->size().width()<<"X"<<this->size().width();
    /*QTimer::singleShot(50, this, [this]() {
        this->update();
        ui->label_Data->update();
        ui->label_Warning->update();
    });*/
}