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justhomework/SoftwareDesign/Lab3/Lab3-2-2/widget.cpp

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2022-05-07 08:21:38 +00:00
#include "widget.h"
#include "ui_widget.h"
#include <QColorDialog>
#include <QDebug>
#include <QDialog>
#include <QFileDialog>
#include <QFontDialog>
#include <QInputDialog>
#include <QMessageBox>
#include <QProgressDialog>
Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) {
ui->setupUi(this);
}
Widget::~Widget() { delete ui; }
void Widget::on_pushButton_clicked() {
QColorDialog dialog(Qt::red, this);
dialog.setOption(QColorDialog::ShowAlphaChannel);
dialog.exec();
QColor color = dialog.currentColor();
qDebug() << "color:" << color;
}
void Widget::on_pushButton_5_clicked() {
QString fileName = QFileDialog::getOpenFileName(
this, "文件对话框", "D:", "图片文件(* png * jpg);;文本文件(*txt)");
qDebug() << "fileName:" << fileName;
}
void Widget::on_pushButton_2_clicked() {
bool ok = false;
QFont font = QFontDialog::getFont(&ok, this);
if (ok) {
ui->pushButton_2->setFont(font);
} else {
qDebug() << "没有选择字体";
}
}
void Widget::on_pushButton_6_clicked() {
bool ok;
QString name = QInputDialog::getText(this, "输入对话框", "请输入用户名:",
QLineEdit::Normal, "admin", &ok);
if (ok) {
qDebug() << "name:" << name;
}
int intNum = QInputDialog::getInt(this, "整数输入对话框",
"请输入-1000到1000之间的数值", 100, -1000,
1000, 10, &ok);
if (ok) {
qDebug() << "intNum:" << intNum;
}
double doubleNum = QInputDialog::getDouble(this, "浮点数输入对话框",
"请输入-1000到1000的数值", 0.00,
-1000, 1000, 2, &ok);
if (ok) {
qDebug() << "doubleNum:" << doubleNum;
}
QStringList items;
items << "条目1"
<< "条目2";
QString item = QInputDialog::getItem(
this, "条目输入对话框", "请选择或输入一个条目", items, 0, true, &ok);
if (ok) {
qDebug() << "item:" << item;
}
}