【提问】求一个Qt 4下的程序起动时载入splash图象的例子。 [复制链接]

#include <QtGui/QApplication>
#include "ex65.h"
int main(int argc, char *argv[])
{
  QApplication a(argc, argv);
  ex65 w;
  //w.show();
  a.connect(&a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()));
  return a.exec();
}

#ifndef EX65_H
#define EX65_H

#include <QtGui/QWidget>
#include "ui_ex65.h"
#include "splashwindow.h"

class ex65 : public QWidget
{
  Q_OBJECT

public:
  ex65(QWidget *parent = 0);
  ~ex65();

private:
  Ui::ex65Class ui;
    SplashWindow *sp;
};

#endif // EX65_H

#include "ex65.h"
#include "splashwindow.h"

ex65::ex65(QWidget *parent)
  : QWidget(parent)
{
    ui.setupUi(this);
    sp = new SplashWindow(this);
    sp->show();
}

ex65::~ex65()
{
    delete sp;
}

#ifndef SPLASHWINDOW_H
#define SPLASHWINDOW_H

#include <QDialog>
#include <QMouseEvent>
#include "ui_splashwindow.h"

using namespace Ui;

class SplashWindow : public QDialog, public SplashWindowClass
{
  Q_OBJECT

public:
  SplashWindow(QWidget *parent = 0);
  ~SplashWindow();
private:
    void mousePressEvent(QMouseEvent *);
};

#endif // SPLASHWINDOW_H

#include <QImage>
#include <QPixmap>
#include "splashwindow.h"


SplashWindow::SplashWindow(QWidget *parent)
: QDialog(parent)
{
  setupUi(this);
    QImage image("splash.png");
    label->setPixmap(QPixmap::fromImage(image));
    resize(500, 375);
    setWindowFlags(Qt::SplashScreen);
}

SplashWindow::~SplashWindow()
{
}

void SplashWindow::mousePressEvent(QMouseEvent *e)
{
    close();
    QWidget *parent = this->parentWidget();
    parent->show();
}

<UI version="4.0" stdSetDef="1" >
<class>ex65Class</class>
<widget class="QWidget" name="ex65Class" >
<property name="objectName" >
  <cstring>ex65Class</cstring>
</property>
<property name="geometry" >
  <rect>
  <x>0</x>
  <y>0</y>
  <width>600</width>
  <height>482</height>
  </rect>
</property>
<property name="windowTitle" >
  <string>ex65</string>
</property>
</widget>
<layoutDefault spacing="6" margin="11" />
</UI>

<ui version="4.0" >
<author></author>
<comment></comment>
<exportmacro></exportmacro>
<class>SplashWindowClass</class>
<widget class="QWidget" name="SplashWindowClass" >
<property name="geometry" >
  <rect>
  <x>0</x>
  <y>0</y>
  <width>382</width>
  <height>266</height>
  </rect>
</property>
<property name="windowTitle" >
  <string>SplashWindow</string>
</property>
<layout class="QGridLayout" >
  <property name="margin" >
  <number>8</number>
  </property>
  <property name="spacing" >
  <number>6</number>
  </property>
  <item row="0" column="0" >
  <widget class="QLabel" name="label" />
  </item>
</layout>
</widget>
<layoutdefault spacing="6" margin="11" />
<pixmapfunction></pixmapfunction>
<resources/>
<connections/>
</ui>