feat: QFileDialog QInputDialog and QMessageDialog
QFileDialog 标准文件对话框 QInputDialog 标准输入对话框 QMessageBox 标准消息对话框 QColorDialog 标准颜色对话框 QFontDialog 标准字体对话框
This commit is contained in:
touwoyimuli
parent
77d9584899
commit
cf12d7798a
189
QtQDialogEx/ExDialog.cpp
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189
QtQDialogEx/ExDialog.cpp
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#include "ExDialog.h"
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#include "ui_ExDialog.h"
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#include <QFileDialog>
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#include <QColorDialog>
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#include <QFontDialog>
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#include <QInputDialog>
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#include <QMessageBox>
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ExDialog::ExDialog(QWidget *parent) :
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QDialog(parent),
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ui(new Ui::ExDialog)
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{
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ui->setupUi(this);
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setWindowTitle(QObject::tr("文件、颜色、字体、保存、消息、输入等对话框使用"));
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}
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ExDialog::~ExDialog()
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{
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delete ui;
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}
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//标准文件对话框QFileDialog+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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void ExDialog::on_btnOpenFile_clicked()
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{
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QString path = QDir::currentPath(); //获取应用程序当前目录
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QString fileter = "文本文件(*.txt);;图片文件(*.jpg *.gif);;所有文件(*.*)";
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QString fileNmae = QFileDialog::getOpenFileName(this, "选择一个文件", path, fileter);
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if (! fileNmae.isEmpty()) {
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ui->plainTextEdit->appendPlainText(fileNmae);
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}
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}
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void ExDialog::on_btnOpenFiles_clicked()
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{
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QString path = QDir::currentPath(); //获取应用程序当前目录
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QString fileter = "文本文件(*.txt);;图片文件(*.jpg *.gif);;所有文件(*.*)";
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QStringList fileNmaeList = QFileDialog::getOpenFileNames(this, "选择多个文件", path, fileter);
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for (int i = 0; i < fileNmaeList.count(); i++) {
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ui->plainTextEdit->appendPlainText(fileNmaeList.at(i));
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}
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}
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void ExDialog::on_btnExistingDir_clicked()
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{
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QString currPath = QCoreApplication::applicationDirPath(); //获取应用程序当前目录
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QString path = QFileDialog::getExistingDirectory(this, "选择一个目录【非文件】", currPath, QFileDialog::ShowDirsOnly); //最后一个参数，表示只显示路径
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if (!path.isEmpty()) {
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ui->plainTextEdit->appendPlainText(path);
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}
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}
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void ExDialog::on_btnGetColor_clicked()
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{
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QPalette pal = ui->plainTextEdit->palette(); //获取条调色板
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QColor initColor = pal.color(QPalette::Text);
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QColor color = QColorDialog::getColor(initColor, this, "选择颜色");
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if (color.isValid()) { //因为没有.isEmpty(),故而使用.isValid()来判断
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pal.setColor(QPalette::Text, color);
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ui->plainTextEdit->setPalette(pal);
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}
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}
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void ExDialog::on_btnGetFont_clicked()
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{
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QFont initFont = ui->plainTextEdit->font();
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bool ok = false;
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QFont font = QFontDialog::getFont(&ok, initFont);
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if (ok)
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ui->plainTextEdit->setFont(font);
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}
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void ExDialog::on_btnSaveFile_clicked()
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{
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QString path = QDir::currentPath(); //获取应用程序当前目录
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QString fileter = "头文件(*.h);;源文件(*.cpp);;所有文件(*.*)";
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QString fileNmae = QFileDialog::getSaveFileName(this, "保存文件", path, fileter);
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if (!fileNmae.isEmpty())
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ui->plainTextEdit->appendPlainText(fileNmae);
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}
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//标准消息对话框+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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void ExDialog::on_btnQuestion_clicked()
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{
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QMessageBox::StandardButton ret = QMessageBox::question(this, "问题消息对话框", "question对话框的内容", QMessageBox::Yes | QMessageBox::No | QMessageBox::Close, QMessageBox::NoButton);
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switch (ret) {
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case QMessageBox::Yes: {
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ui->plainTextEdit->appendPlainText("QMessageBox::yes 按钮被选中");
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break;
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}
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case QMessageBox::No: {
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ui->plainTextEdit->appendPlainText("QMessageBox::No 按钮被选中");
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break;
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}
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case QMessageBox::Close: {
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ui->plainTextEdit->appendPlainText("QMessageBox::Close 按钮被选中");
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break;
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}
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default: {
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ui->plainTextEdit->appendPlainText("这是 switch 的default 的选项");
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break;
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}
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}
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}
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void ExDialog::on_btnInformation_clicked()
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{
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QMessageBox::information(this, "信息消息对话框", "information对话框的内容", QMessageBox::Ok, QMessageBox::NoButton);
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}
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void ExDialog::on_btnWarning_clicked()
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{
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QMessageBox::warning(this, "警告消息对话框", "warning对话框的内容", QMessageBox::Ok, QMessageBox::NoButton);
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}
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void ExDialog::on_btnCritical_clicked()
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{
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QMessageBox::critical(this, "危机消息对话框", "critical对话框的内容", QMessageBox::Ok, QMessageBox::NoButton);
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}
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void ExDialog::on_btnAbout_clicked()
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{
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QMessageBox::about(this, "关于消息对话框", "abou 作者: 投我以木李，报之以琼玖");
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}
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void ExDialog::on_btnAboutQt_clicked()
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{
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QMessageBox::aboutQt(this, "关于Qt消息对话框");
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}
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//标准输入对话框QInputDialog+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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void ExDialog::on_btnGetString_clicked()
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{
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bool ok = false;
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QString text = QInputDialog::getText(this, "输入文字对话框", "请输入一个字符串", QLineEdit::Normal, "默认输入的字符串", &ok);
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if (ok && !text.isEmpty())
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ui->plainTextEdit->appendPlainText(text);
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}
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void ExDialog::on_btnGetItem_clicked()
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{
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QStringList list;
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list<<"2019-10-02"<<"04:28"<<"在武汉的卧室"<<"敲代码"<<"这会没有困意";
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int index = 0;
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bool editable = true; //ComboBox是否可编辑
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bool ok = false;
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QString text = QInputDialog::getItem(this, "输入item对话框", "请选择一个item", list, index, editable, &ok);
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if (ok && !text.isEmpty())
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ui->plainTextEdit->appendPlainText(text);
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}
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void ExDialog::on_btnInt_clicked()
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{
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int min = 0;
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int max = 100;
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int stepVal = 3;
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int size = ui->plainTextEdit->font().pointSize();
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bool ok = false;
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int val = QInputDialog::getInt(this, "输入整数对话框", "请输入一个整数改变字体大小", size, min, max, stepVal, &ok);
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if (ok) {
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QFont font = ui->plainTextEdit->font();
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font.setPointSize(val);
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ui->plainTextEdit->setFont(font);
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ui->plainTextEdit->appendPlainText("字体大小已经被设置为:" + QString::number(val));
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}
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}
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void ExDialog::on_btnDouble_clicked()
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{
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int min = 0;
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int max = 100;
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int d = 2; //小数点的位数
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double val = 3.1415;
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bool ok = false;
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double ret = QInputDialog::getDouble(this, "输入浮点数对话框", "请输入一个整数改变字体大小", d, min, max, val, &ok);
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if (ok)
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ui->plainTextEdit->appendPlainText("浮点数大小为:" + QString::number(ret, 'f', 4));
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}
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42
QtQDialogEx/ExDialog.h
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QtQDialogEx/ExDialog.h
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#ifndef EXDIALOG_H
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#define EXDIALOG_H
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#include <QDialog>
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namespace Ui {
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class ExDialog;
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}
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class ExDialog : public QDialog
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{
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Q_OBJECT
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public:
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explicit ExDialog(QWidget *parent = nullptr);
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~ExDialog();
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private slots:
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void on_btnOpenFile_clicked(); //打开一个文件
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void on_btnOpenFiles_clicked(); //打开多个文件
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void on_btnExistingDir_clicked(); //选择已有目录
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void on_btnGetColor_clicked(); //选择颜色
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void on_btnGetFont_clicked(); //选择字体
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void on_btnSaveFile_clicked(); //保存文件
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void on_btnQuestion_clicked();
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void on_btnInformation_clicked();
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void on_btnWarning_clicked();
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void on_btnCritical_clicked();
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void on_btnAbout_clicked();
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void on_btnAboutQt_clicked();
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void on_btnGetString_clicked(); //输入字符串
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void on_btnGetItem_clicked(); //item选择输入
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void on_btnInt_clicked(); //输入整数
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void on_btnDouble_clicked(); //输入浮点数
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private:
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Ui::ExDialog *ui;
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};
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#endif // EXDIALOG_H
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181
QtQDialogEx/ExDialog.ui
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QtQDialogEx/ExDialog.ui
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>ExDialog</class>
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<widget class="QDialog" name="ExDialog">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>663</width>
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<height>341</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>ExDialog</string>
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</property>
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<layout class="QHBoxLayout" name="horizontalLayout">
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<item>
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<widget class="QGroupBox" name="groupBox">
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<property name="title">
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<string>标准对话框：</string>
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</property>
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<layout class="QGridLayout" name="gridLayout">
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<item row="2" column="0">
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<widget class="QPushButton" name="btnOpenFiles">
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<property name="text">
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<string>打开多个文件</string>
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</property>
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</widget>
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</item>
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<item row="8" column="0" colspan="3">
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<widget class="Line" name="line_2">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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</widget>
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</item>
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<item row="11" column="0">
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<widget class="QPushButton" name="btnGetString">
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<property name="text">
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<string>输入字符串</string>
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</property>
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</widget>
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</item>
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<item row="11" column="2">
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<widget class="QPushButton" name="btnGetItem">
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<property name="text">
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<string>item选择输入</string>
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</property>
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</widget>
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</item>
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<item row="0" column="2">
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<widget class="QLabel" name="labMsg">
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<property name="text">
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<string>标准消息框：</string>
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</property>
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</widget>
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</item>
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<item row="12" column="0">
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<widget class="QPushButton" name="btnInt">
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<property name="text">
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<string>输入整数</string>
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</property>
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</widget>
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</item>
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<item row="12" column="2">
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<widget class="QPushButton" name="btnDouble">
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<property name="text">
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<string>输入浮点数</string>
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</property>
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</widget>
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</item>
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<item row="0" column="0">
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<widget class="QLabel" name="labFile">
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<property name="text">
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<string>文件对话框：</string>
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</property>
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</widget>
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</item>
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<item row="3" column="0">
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<widget class="QPushButton" name="btnExistingDir">
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<property name="text">
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<string>选择已有目录</string>
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</property>
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</widget>
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</item>
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<item row="0" column="1" rowspan="7">
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<widget class="Line" name="line">
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<property name="orientation">
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<enum>Qt::Vertical</enum>
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</property>
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</widget>
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</item>
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<item row="5" column="0">
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<widget class="QPushButton" name="btnGetFont">
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<property name="text">
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<string>选择字体</string>
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</property>
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</widget>
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</item>
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<item row="4" column="0">
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<widget class="QPushButton" name="btnGetColor">
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<property name="text">
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<string>选择颜色</string>
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</property>
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</widget>
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</item>
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<item row="1" column="2">
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<widget class="QPushButton" name="btnQuestion">
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<property name="text">
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<string>question</string>
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</property>
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</widget>
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</item>
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<item row="3" column="2">
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<widget class="QPushButton" name="btnWarning">
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<property name="text">
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<string>warning</string>
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</property>
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</widget>
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</item>
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<item row="4" column="2">
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<widget class="QPushButton" name="btnCritical">
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<property name="text">
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<string>critical</string>
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</property>
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</widget>
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</item>
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<item row="2" column="2">
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<widget class="QPushButton" name="btnInformation">
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<property name="text">
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<string>information</string>
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</property>
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</widget>
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</item>
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<item row="5" column="2">
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<widget class="QPushButton" name="btnAbout">
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<property name="text">
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<string>about</string>
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</property>
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</widget>
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</item>
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<item row="6" column="2">
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<widget class="QPushButton" name="btnAboutQt">
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<property name="text">
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<string>aboutQt</string>
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</property>
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</widget>
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</item>
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<item row="6" column="0">
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<widget class="QPushButton" name="btnSaveFile">
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<property name="text">
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<string>保存文件</string>
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</property>
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</widget>
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</item>
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<item row="1" column="0">
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<widget class="QPushButton" name="btnOpenFile">
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<property name="text">
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<string>打开一个文件</string>
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</property>
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</widget>
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</item>
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<item row="10" column="0" colspan="3">
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<widget class="QLabel" name="labInput">
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<property name="text">
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<string>标准输入对话框QInputDialog:</string>
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</property>
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</widget>
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</item>
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</layout>
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</widget>
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</item>
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<item>
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<widget class="QPlainTextEdit" name="plainTextEdit"/>
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</item>
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</layout>
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</widget>
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<layoutdefault spacing="6" margin="11"/>
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<resources/>
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<connections/>
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</ui>
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42
QtQDialogEx/QtQDialogEx.pro
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42
QtQDialogEx/QtQDialogEx.pro
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#-------------------------------------------------
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#
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# Project created by QtCreator 2019-10-01T15:57:01
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#
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#-------------------------------------------------
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QT += core gui
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greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
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TARGET = QtQDialogEx
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TEMPLATE = app
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# The following define makes your compiler emit warnings if you use
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# any feature of Qt which has been marked as deprecated (the exact warnings
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# depend on your compiler). Please consult the documentation of the
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# deprecated API in order to know how to port your code away from it.
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DEFINES += QT_DEPRECATED_WARNINGS
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# You can also make your code fail to compile if you use deprecated APIs.
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# In order to do so, uncomment the following line.
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# You can also select to disable deprecated APIs only up to a certain version of Qt.
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#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
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CONFIG += c++11
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SOURCES += \
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main.cpp \
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ExDialog.cpp
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HEADERS += \
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ExDialog.h
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FORMS += \
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ExDialog.ui
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RC_ICONS += qt.ico
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# Default rules for deployment.
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qnx: target.path = /tmp/$${TARGET}/bin
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else: unix:!android: target.path = /opt/$${TARGET}/bin
|
||||
!isEmpty(target.path): INSTALLS += target
|
||||
11
QtQDialogEx/main.cpp
Normal file
11
QtQDialogEx/main.cpp
Normal file
@ -0,0 +1,11 @@
|
||||
#include "ExDialog.h"
|
||||
#include <QApplication>
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
QApplication a(argc, argv);
|
||||
ExDialog w;
|
||||
w.show();
|
||||
|
||||
return a.exec();
|
||||
}
|
||||
BIN
QtQDialogEx/qt.ico
Normal file
BIN
QtQDialogEx/qt.ico
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 4.2 KiB |
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Reference in New Issue
Block a user