qt学习(三) qt布局

使用横向与竖向、网格三种布局嵌套使用后可以组合出很复杂的界面。

这里向大家推荐这篇博客

http://www.cnblogs.com/Bonker/p/3454956.html

我这里使用布局做了一个对话框界面 作为练习

代码如下

qt5

QT creater创建一个Widgets application

不过没有使用该工程的UI

修改main.cpp

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

添加 

QTestDialog.h
QTestDialog.cpp
#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;
};
#endif // QTESTDIALOG_H

  

#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); }

  

 最后效果图

qt学习(三) qt布局

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