qt界面布局练习

[导读]QHBoxLayout* toolLayout = new QHBoxLayout; toolLayout->addWidget(pushButton_1); toolLayout->addWidget(pushButton_2); toolLayout->addStretch(); toolLayout->addWidget(pushButton_3);

1. [代码][C/C++]代码

#include  <QApplication>
#include  "qtestdialog.h"
  
TestDialog::TestDialog(QWidget  *parent)
    :  QDialog(parent)
{
    pushButton_1  = new  QPushButton(tr("字体"));
    pushButton_2  = new  QPushButton(tr("大小"));
    pushButton_3  = new  QPushButton(tr("消息记录"));
  
    QHBoxLayout*  toolLayout = new  QHBoxLayout;
    toolLayout->addWidget(pushButton_1);
    toolLayout->addWidget(pushButton_2);
    toolLayout->addStretch();
    toolLayout->addWidget(pushButton_3);
  
  
    pushButton_4  = new  QPushButton(tr("关闭"));
    pushButton_5  = new  QPushButton(tr("发送"));
    QHBoxLayout*  buttomLayout = new  QHBoxLayout;
    buttomLayout->addStretch();
    buttomLayout->addWidget(pushButton_4);
    buttomLayout->addWidget(pushButton_5);
  
  
    textEdit_1  = new  QTextEdit;
    textEdit_2  = new  QTextEdit;
    textEdit_2->setMaximumHeight(90);
    QVBoxLayout*  leftlayout = new  QVBoxLayout;
    leftlayout->addWidget(textEdit_1);
    leftlayout->addLayout(toolLayout);
    leftlayout->addWidget(textEdit_2);
    leftlayout->addLayout(buttomLayout);
  
  
  
    textEdit_3  = new  QTextEdit;
    textEdit_3->setMaximumWidth(100);
    QVBoxLayout*  rightlayout = new  QVBoxLayout;
    rightlayout->addWidget(textEdit_3);
  
    QHBoxLayout*  toplayout = new  QHBoxLayout;
    toplayout->addLayout(leftlayout);
    toplayout->addLayout(rightlayout);
  
  
    QHBoxLayout  *mainLayout = new  QHBoxLayout;
    mainLayout->addLayout(toplayout);
    setLayout(mainLayout);
  
  
}

2. [代码][C/C++]代码

#ifndef  QTESTDIALOG_H
#define  QTESTDIALOG_H
  
#include  <QDialog>
#include  <QTextEdit>
#include  <QPushButton>
#include  <QLayout>
  
class  TestDialog:public  QDialog
{
    Q_OBJECT
public:
    TestDialog(QWidget  *parent = 0);
private:
    QTextEdit*  textEdit_1;
    QTextEdit*  textEdit_2;
    QTextEdit*  textEdit_3;
    QPushButton*  pushButton_1;
    QPushButton*  pushButton_2;
    QPushButton*  pushButton_3;
    QPushButton*  pushButton_4;
    QPushButton*  pushButton_5;
};

3. [代码][C/C++]代码

#include  <QApplication>
#include  "QTestDialog.h"
  
int  main(int  argc,  char  *argv[])
{
    QApplication  a(argc, argv);
    TestDialog*  tdialog = new  TestDialog;
    tdialog->show();
    return  a.exec();
}