aboutwindow.cc

c++的guiQt做的开发

/** @file
 AboutWindow - class representing about window.
 Display author(s), application name and version.
 @author Martin Petricek
*/
#include "aboutwindow.h"
#include "image.h"
#include <qlayout.h>
#include <qframe.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <QPixmap>
#include <QGridLayout>
#include "version.h"
#include "util.h"
#include "iconcache.h"

namespace gui {

using namespace std;

/** Version of program */
QString app=APP_NAME " " VERSION;

/** About Dialog flags */
const Qt::WindowFlags aboutDialogFlags=Qt::Dialog;

/**
 constructor of AboutWindow, creates window and fills it with elements, parameters are ignored
 @param parent Parent window of this dialog
 */
AboutWindow::AboutWindow(QWidget *parent/*=0*/):QWidget(parent,aboutDialogFlags) {
 QWidget::setAttribute(Qt::WA_DeleteOnClose);
 IconCache ic;
 //Window title
 setWindowTitle(app+" - "+tr("About program"));

 QGridLayout *l=new QGridLayout(this);
 l->setSpacing(0);
 l->setMargin(0);

 //Text in about window
 QString info=QString("<big>")+tr("Image viewer and manipulator")+"</big><br><b>"+tr("Homepage")+"</b> : http://mpview.sourceforge.net/";
 QString authors=QString("<b>")+tr("Author")+QString::fromUtf8("</b> : Martin Petříček<br>");
 QLabel *lb=new QLabel(QString("<table><tr><td valign=\"top\"><h1>")+app+"</h1><br>"+info+"<br>"+authors+"<br>"+tr("Compiled")+": "+COMPILE_TIME+
  +"<br>"+tr("Using Qt version %1").arg(qVersion())+", "+tr("CImg version %1").arg(Image::cimgVersion())+
  "</td></tr><tr><td>"+tr("This program is distributed under terms of GNU GPL")+
  "<br><br><small>"+Image::cimgInfo()+"</small></td></tr></table>", this);
 lb->setTextFormat(Qt::RichText);

 //Lower frame with Ok button
 QFrame *okFrame=new QFrame(this);
 QGridLayout *lFrame=new QGridLayout(okFrame);
 lFrame->setMargin(5);
 QPushButton *ok=new QPushButton(QObject::tr("&Ok"), okFrame);
 lFrame->addWidget(ok,0,1);
 QObject::connect(ok, SIGNAL(clicked()), this, SLOT(close()));

 //Logo on right
 QLabel* logo=new QLabel(this);
 QPixmap* logoImage=ic.getIcon("app_logo.png");
 QSize imageSize;
 QSize bgSize;
 if (logoImage) {
  QPalette paletteLogo;
  paletteLogo.setBrush(logo->backgroundRole(),QBrush(0xffffff));
  logo->setPalette(paletteLogo);
  logo->setAutoFillBackground(true);
  logo->setPixmap(*logoImage);
  imageSize=logoImage->size();
  logo->setMinimumSize(imageSize);
  logo->setMaximumWidth(imageSize.width());
 }

 //Background of text
 QPixmap* bgImage=ic.getIcon("app_bg.png");
 if (bgImage) {
  QPalette paletteBg;
  paletteBg.setBrush(lb->backgroundRole(),QBrush(*bgImage));
  lb->setPalette(paletteBg);
  lb->setAutoFillBackground(true);

  bgSize=bgImage->size();
  lb->setMaximumSize(bgSize);
 }
 okFrame->setFixedHeight(10+ok->sizeHint().height());
 if (bgImage!=NULL && logoImage!=NULL) {
  bgSize.setWidth(bgSize.width()+imageSize.width());
  bgSize.setHeight(bgSize.height()+10+ok->sizeHint().height());
  setMinimumSize(imageSize);
  setMaximumSize(bgSize);
  setMinimumHeight(10+ok->sizeHint().height()+imageSize.height());
 }
 l->addWidget(lb,0,0);
 l->addWidget(logo,0,1);
 l->addWidget(okFrame,1,0,1,2);
 ok->show();
 lb->show();
}

/** default destructor */
AboutWindow::~AboutWindow() {
}

} // namespace gui