【嵌入式——QT】标准对话框
#include "DialogDialog.h"
#include "ui_DialogDialog.h"
#include <QDir>
#include <QFileDialog>
#include <QColorDialog>
#include <QFontDialog>
#include <QLineEdit>
#include <QInputDialog>
#include <QMessageBox>
DialogDialog::DialogDialog(QWidget* parent)
: QDialog(parent)
, ui(new Ui::DialogDialog)
{
ui->setupUi(this);
}
DialogDialog::~DialogDialog()
{
delete ui;
}
void DialogDialog::on_pushButtonOpen_clicked()
{
QString curPath = QDir::currentPath();
QString aFileName = QFileDialog::getOpenFileName(this, u8"选择一个文件", curPath);
if(!aFileName.isEmpty()) {
ui->plainTextEdit->appendPlainText(aFileName);
}
}
void DialogDialog::on_pushButtonOpens_clicked()
{
QString curPath = QDir::currentPath();
QStringList aFileNames = QFileDialog::getOpenFileNames(this, u8"选择一个文件", curPath);
for(int i=0; i<aFileNames.count(); i++) {
ui->plainTextEdit->appendPlainText(aFileNames.at(i));
}
}
void DialogDialog::on_pushButtonSelect_clicked()
{
QString curPath = QCoreApplication::applicationDirPath();
QString selectedDir = QFileDialog::getExistingDirectory(this, u8"选择一个目录", curPath, QFileDialog::ShowDirsOnly);
if(!selectedDir.isEmpty()) {
ui->plainTextEdit->appendPlainText(selectedDir);
}
}
void DialogDialog::on_pushButtonSave_clicked()
{
QString curPath = QCoreApplication::applicationDirPath();
QString fileName = QFileDialog::getSaveFileName(this, u8"保存文件", curPath);
if(!fileName.isEmpty()) {
ui->plainTextEdit->appendPlainText(fileName);
}
}
void DialogDialog::on_pushButtonColor_clicked()
{
QPalette pal = ui->plainTextEdit->palette();//获取现有palette
QColor initColor = pal.color(QPalette::Text);//现有文字颜色
QColor color = QColorDialog::getColor(initColor, this, u8"选择颜色");
if(color.isValid()) {
pal.setColor(QPalette::Text, color);
ui->plainTextEdit->setPalette(pal);
}
}
void DialogDialog::on_pushButtonFont_clicked()
{
QFont initFont = ui->plainTextEdit->font();
bool ok = false;
QFont font = QFontDialog::getFont(&ok, initFont);
if(ok) {
ui->plainTextEdit->setFont(font);
}
}
void DialogDialog::on_pushButtonQuestion_clicked()
{
QMessageBox::StandardButton defaultBtn = QMessageBox::NoButton;
QMessageBox::StandardButton result;
result = QMessageBox::question(this, u8"question消息框", u8"文件已被修改，是否保存", QMessageBox::Yes|QMessageBox::No | QMessageBox::Cancel, defaultBtn);
if(result == QMessageBox::Yes) {
ui->plainTextEdit->appendPlainText(u8"quesstion消息框 Yes 被选择");
} else if(result == QMessageBox::No) {
ui->plainTextEdit->appendPlainText(u8"quesstion消息框 No 被选择");
} else if(result == QMessageBox::Cancel) {
ui->plainTextEdit->appendPlainText(u8"quesstion消息框 Cancel 被选择");
} else {
ui->plainTextEdit->appendPlainText(u8"quesstion消息框无选择");
}
}
void DialogDialog::on_pushButtonInformation_clicked()
{
QMessageBox::information(this, u8"information消息框", u8"文件已经打开，字体大小已设置", QMessageBox::Ok, QMessageBox::NoButton);
}
void DialogDialog::on_pushButtonWarning_clicked()
{
QMessageBox::warning(this, u8"warning消息框", u8"文件内容已被修改");
}
void DialogDialog::on_pushButtonCritical_clicked()
{
QMessageBox::critical(this, u8"critical消息框", u8"有不明程序访问网络");
}
void DialogDialog::on_pushButtonAbout_clicked()
{
QMessageBox::about(this, u8"about消息框", u8"软件版本1.0.0");
}
void DialogDialog::on_pushButtonAboutQt_clicked()
{
QMessageBox::aboutQt(this, u8"aboutQt消息框");
}
void DialogDialog::on_pushButtonStr_clicked()
{
QLineEdit::EchoMode echoMode = QLineEdit::Normal;
bool ok = false;
QString text = QInputDialog::getText(this, u8"输入文字对话框", u8"输入文件名", echoMode, u8"新建文件.txt", &ok);
if(ok && !text.isEmpty()) {
ui->plainTextEdit->appendPlainText(text);
}
}
void DialogDialog::on_pushButtonInt_clicked()
{
int defaultValue = ui->plainTextEdit->font().pointSize();
int minValue = 6, maxValue = 50, stepValue = 1;
bool ok = false;
int inputValue = QInputDialog::getInt(this, u8"输入整数对话框", u8"设置字体大小", defaultValue, minValue, maxValue, stepValue, &ok);
if(ok) {
QFont font = ui->plainTextEdit->font();
font.setPointSize(inputValue);
ui->plainTextEdit->setFont(font);
}
}
void DialogDialog::on_pushButtonFloat_clicked()
{
float defaultValue = 3.13;
float minValue = 0, maxValue = 1000;
int decimals = 2;
bool ok = false;
float inputValue = QInputDialog::getDouble(this, u8"输入浮点数对话框", u8"输入浮点数", defaultValue, minValue, maxValue, decimals, &ok);
if(ok) {
QString str = QString::asprintf(u8"输入一个浮点数：%.2f", inputValue);
ui->plainTextEdit->appendPlainText(str);
}
}
void DialogDialog::on_pushButtonItem_clicked()
{
QStringList items;
items<<u8"优秀"<<u8"良好"<<u8"合格"<<u8"不合格";
int curIndex = 0;
bool editable = true;
bool ok = false;
QString text = QInputDialog::getItem(this, u8"条目选择对话框", u8"选择级别", items, curIndex, editable, &ok);
if(ok && !text.isEmpty()) {
ui->plainTextEdit->appendPlainText(text);
}
}
void DialogDialog::on_pushButtonClear_clicked()
{
ui->plainTextEdit->clear();
}