cpp
复制代码
#include "dialog.h"
Dialog::Dialog(QWidget *parent)
: QDialog(parent)
{
//实例化组件对象
//文件
FileBtn = new QPushButton(tr("文件标准对话框"));
FileLineEdit = new QLineEdit;
//颜色
ColorBtn = new QPushButton(tr("颜色标准对话框"));
ColorFrame = new QFrame;
ColorFrame->setFrameShape(QFrame::Box);
ColorFrame->setAutoFillBackground(true);
//字体
FontBtn = new QPushButton(tr("字体标准对话框实例"));
FontLineEdit = new QLineEdit(tr("welcome!"));
//弹出输入框的Dialog
ExPutBtn = new QPushButton(tr("标准输入对话框实例"));
//布局
MainLayout = new QGridLayout(this);
MainLayout->addWidget(FileBtn,0,0);
MainLayout->addWidget(FileLineEdit,0,1);
MainLayout->addWidget(ColorBtn,1,0);
MainLayout->addWidget(ColorFrame,1,1);
MainLayout->addWidget(FontBtn,2,0);
MainLayout->addWidget(FontLineEdit,2,1);
MainLayout->addWidget(ExPutBtn,3,0,1,2);
//添加事件--点击按钮的时候
connect(FileBtn,SIGNAL(clicked()),this,SLOT(ShowFile()));
connect(ColorBtn,SIGNAL(clicked()),this,SLOT(ShowColor()));
connect(FontBtn,SIGNAL(clicked()),this,SLOT(ShowFont()));
connect(ExPutBtn,SIGNAL(clicked()),this,SLOT(ShowExPutDlg()));
}
Dialog::~Dialog() {}
void Dialog::ShowFile()
{
QString s = QFileDialog::getOpenFileName(this,QObject::tr("打开文件"),"/");
FileLineEdit->setText(s);
}
void Dialog::ShowColor()
{
QColor c = QColorDialog::getColor(Qt::blue);
if(c.isValid())
{
ColorFrame->setPalette(QPalette(c));
}
}
void Dialog::ShowFont()
{
bool Ok;
QFont f = QFontDialog::getFont(&Ok);
if(Ok)
{
FontLineEdit->setFont(f);
}
}
void Dialog::ShowExPutDlg()
{
Exdialog = new ExDialog(this);
Exdialog->show();
}
cpp
复制代码
#include "exdialog.h"
ExDialog::ExDialog(QWidget *parent)
: QDialog{parent}
{
setWindowTitle(tr("标准输入对话框"));
//实例化标签和按钮
NameLabel1 = new QLabel(tr("姓名："));
NameLabel2 = new QLabel(tr("小明"));
NameLabel2->setFrameStyle(QFrame::Panel|QFrame::Sunken);
NameBtn = new QPushButton(tr("修改姓名"));
SexLabel1 = new QLabel(tr("性别："));
SexLabel2 = new QLabel(tr("男"));
SexLabel2->setFrameStyle(QFrame::Panel|QFrame::Sunken);
SexBtn = new QPushButton(tr("修改性别"));
AgeLabel1 = new QLabel(tr("年龄："));
AgeLabel2 = new QLabel(tr("21"));
AgeLabel2->setFrameStyle(QFrame::Panel|QFrame::Sunken);
AgeBtn = new QPushButton(tr("修改年龄"));
ScoreLabel1 = new QLabel(tr("成绩："));
ScoreLabel2 = new QLabel(tr("80"));
ScoreLabel2->setFrameStyle(QFrame::Panel|QFrame::Sunken);
ScoreBtn = new QPushButton(tr("修改成绩"));
//布局
ExLayout = new QGridLayout(this);
ExLayout->setMargin(15);
ExLayout->setSpacing(10);
ExLayout->addWidget(NameLabel1,0,0);
ExLayout->addWidget(NameLabel2,0,1);
ExLayout->addWidget(NameBtn,0,2);
ExLayout->addWidget(SexLabel1,1,0);
ExLayout->addWidget(SexLabel2,1,1);
ExLayout->addWidget(SexBtn,1,2);
ExLayout->addWidget(AgeLabel1,2,0);
ExLayout->addWidget(AgeLabel2,2,1);
ExLayout->addWidget(AgeBtn,2,2);
ExLayout->addWidget(ScoreLabel1,3,0);
ExLayout->addWidget(ScoreLabel2,3,1);
ExLayout->addWidget(ScoreBtn,3,2);
//绑定槽
connect(NameBtn,SIGNAL(clicked()),this,SLOT(ChangName()));
connect(SexBtn,SIGNAL(clicked()),this,SLOT(ChangSex()));
connect(AgeBtn,SIGNAL(clicked()),this,SLOT(ChangAge()));
connect(ScoreBtn,SIGNAL(clicked()),this,SLOT(ChangScore()));
}
void ExDialog::ChangName()
{
bool Ok;
QString BmpText = QInputDialog::getText(this,tr("标准字符串输入对话框"),tr("请输入姓名："),QLineEdit::Normal,NameLabel2->text(),&Ok);
if(Ok && !BmpText.isEmpty())
{
NameLabel2->setText(BmpText);
}
}
void ExDialog::ChangSex()
{
QStringList SexItems;
SexItems <<tr("男") <<tr("女");
bool Ok;
QString SexItem= QInputDialog::getItem(this,tr("标准条目选择对话框"),tr("请选择性别："),SexItems,0,false,&Ok);
if(Ok && !SexItem.isEmpty())
{
SexLabel2->setText(SexItem);
}
}
void ExDialog::ChangAge()
{
bool Ok;
int nAge =QInputDialog::getInt(this,tr("标准int输入对话框"),tr("请输入年龄："),AgeLabel2->text().toInt(&Ok),0,100,1,&Ok);
if(Ok)
{
AgeLabel2->setText(QString(tr("%1").arg(nAge)));
}
}
void ExDialog::ChangScore()
{
bool Ok;
double nScore =QInputDialog::getDouble(this,tr("标准int输入对话框"),tr("请输入年龄："),ScoreLabel2->text().toDouble(&Ok),0,200,1,&Ok);
if(Ok)
{
ScoreLabel2->setText(QString(tr("%1").arg(nScore)));
}
}
