kstars/kstars/kstarssplash.cpp

   1 /***************************************************************************
   2                           kstarssplash.cpp  -  description
   3                              -------------------
   4     begin                : Thu Jul 26 2001
   5     copyright            : (C) 2001 by Heiko Evermann
   6     email                : heiko@evermann.de
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #include <qfile.h>
  19 #include <qlabel.h>
  20 #include <qlayout.h>
  21 #include <klocale.h>
  22
  23 #include <kapplication.h>
  24
  25 #include "kstarssplash.h"
  26 #include "ksutils.h"
  27
  28 KStarsSplash::KStarsSplash( QWidget *parent, const char* name )
  29         : KDialogBase( KDialogBase::Plain, i18n( "Loading KStars..." ),
  30                         0 /*no buttons*/, Ok, parent, name, false /*not modal*/ ) {
  31
  32         //Set up widgets for splashscreen.
  33         QFrame *page = plainPage();
  34         page->setBackgroundColor( QColor( "Black" ) );
  35         setBackgroundColor( QColor( "Black" ) );
  36
  37         QVBoxLayout *topLayout = new QVBoxLayout( page, 0, 0 );
  38         topLayout->setMargin( 0 );
  39
  40         //Load the KStars banner.  Use an empty image if it can't be opened.
  41         QFile imFile;
  42         if ( KSUtils::openDataFile( imFile, "kstars.png" ) ) {
  43                 imFile.close(); //Just need the filename...
  44                 splashImage = new QPixmap( imFile.name() );
  45         } else {
  46                 splashImage = new QPixmap(); //null image
  47         }
  48
  49         Banner = new QWidget( page );
  50         Banner->setFixedWidth( splashImage->width() );
  51         Banner->setFixedHeight( splashImage->height() );
  52         topLayout->addWidget( Banner );
  53
  54 //initialize the "Welcome to KStars message label
  55         label = new QLabel( page, "label1" );
  56         QPalette pal( label->palette() );
  57         pal.setColor( QPalette::Normal, QColorGroup::Background, QColor( "Black" ) );
  58         pal.setColor( QPalette::Inactive, QColorGroup::Background, QColor( "Black" ) );
  59         pal.setColor( QPalette::Normal, QColorGroup::Foreground, QColor( "White" ) );
  60         pal.setColor( QPalette::Inactive, QColorGroup::Foreground, QColor( "White" ) );
  61         label->setPalette( pal );
  62         label->setAlignment( AlignHCenter );
  63         label->setText( i18n( "Welcome to KStars. Please stand by while loading..." ) );
  64         topLayout->addWidget( label );
  65
  66 //initialize the progress message label
  67         textCurrentStatus = new QLabel( page, "label2" );
  68         textCurrentStatus->setPalette( pal );
  69         textCurrentStatus->setAlignment( AlignHCenter );
  70         topLayout->addWidget( textCurrentStatus );
  71
  72         topLayout->activate();
  73         disableResize();
  74         setMessage(QString::null);  // force repaint of widget with no text
  75 }
  76
  77 KStarsSplash::~KStarsSplash() {
  78         delete splashImage;
  79 }
  80
  81 void KStarsSplash::paintEvent( QPaintEvent* ) {
  82         bitBlt( Banner, 0, 0, splashImage, 0, 0, -1, -1 );
  83         label->repaint();  // standard text label
  84         textCurrentStatus->repaint();  // status text label
  85 }
  86
  87 void KStarsSplash::closeEvent( QCloseEvent *e ) {
  88         e->ignore();
  89         emit closeWindow();
  90 }
  91
  92 void KStarsSplash::setMessage( QString s ) {
  93         textCurrentStatus->setText( s );
  94         repaint();  // repaint splash screen
  95 /**
  96         *Flush all event data. This is needed because events will buffered and
  97         *repaint call will queued in event buffer. With flush all X11 events of
  98         *this application will flushed.
  99         */
 100         kapp->flush();
 101 }
 102
 103 #include "kstarssplash.moc"