54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
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#include "form8.h"
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#include "ui_form8.h"
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Form8::Form8(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::Form8)
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{
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ui->setupUi(this);
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ui->Form8label->setWordWrap(true);
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// ui->Form8label->setMinimumWidth(400);
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// ui->Form8label->setMaximumWidth(400);
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}
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Form8::~Form8()
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{
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delete ui;
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}
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bool Form8::event(QEvent *evt)
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{
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qDebug()<<"事件分发"<<evt->type();
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if(evt->type() == QEvent::KeyPress){
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QKeyEvent *keyEvent = static_cast<QKeyEvent*>(evt);
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if(keyEvent->key() == Qt::Key_Return){
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// ui->Form8label->setText(tr("按下 %1 键").arg(keyEvent->text()));
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qDebug()<<tr("按下 %1 键").arg(keyEvent->text());
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}
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// return false; // 不分发此事件
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}
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return QWidget::event(evt);
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}
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void Form8::keyPressEvent(QKeyEvent *event)
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{
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QString s = ui->Form8label->text();
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// 如果按下的是换行
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if(event->key() == Qt::Key_Enter){
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s+="\r\n";
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}else if(event->key() == Qt::Key_Space){
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s.clear();
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}else if(event->key() == Qt::Key_Backspace){
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// s.remove(s.size()-1,1);
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s.chop(1);
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}
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else{
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s += event->text();
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}
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ui->Form8label->setText(s);
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}
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