标题: Qt简单示例 [打印本页]

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作者: Dalin     时间: 2016-6-14 15:35
标题: Qt简单示例
main.c
#include <QtGui/QApplication>
#include "widget.h"

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    Widget w;
    w.show();

    return a.exec();
}

widget.c
#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{
    ui->setupUi(this);
}

Widget::~Widget()
{
    delete ui;
}
void Widget::buttonsize()
{
   QString str;
   int h,w;
   QPoint point;
   h=ui->pushButton->width();
   w=ui->pushButton->height();
   point=ui->pushButton->pos();
   str=QString("h=%1,w=%2,x=%3,y=%4").arg(h).arg(w).arg(point.x()).arg(point.y());
   ui->labelbutton->setText(str);
}

widget.h
#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>

namespace Ui {
class Widget;
}

class Widget : public QWidget
{
    Q_OBJECT

public:
    explicit Widget(QWidget *parent = 0);
    ~Widget();
public slots:
    void buttonsize();
private:
    Ui::Widget *ui;
};

#endif // WIDGET_H

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