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tdetoys/ktux/sprite.cpp

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//-----------------------------------------------------------------------------
//
// KTux - TQCanvas based screensaver
//
// Copyright (c) Martin R. Jones 1999
//
#include <stdlib.h>
#include <time.h>
#include <tqlabel.h>
#include <tqmessagebox.h>
#include <tqlayout.h>
#include <tqslider.h>
#include <kstandarddirs.h>
#include <klocale.h>
#include <kdebug.h>
#include <kstdguiitem.h>
#include <kbuttonbox.h>
#include "spritepm.h"
#include "spritemisc.h"
#include "sprite.h"
#include "sprite.moc"
// libkscreensaver interface
extern "C"
{
KDE_EXPORT const char *kss_applicationName = "ktux";
KDE_EXPORT const char *kss_description = I18N_NOOP( "Tux Screen Saver" );
KDE_EXPORT const char *kss_version = "1.0.0";
KDE_EXPORT KScreenSaver *kss_create( WId id )
{
return new KSpriteSaver( id );
}
KDE_EXPORT TQDialog *kss_setup()
{
return new KSpriteSetup();
}
}
//-----------------------------------------------------------------------------
KSpriteSetup::KSpriteSetup( TQWidget *parent, const char *name )
: TQDialog( parent, name, TRUE )
{
KGlobal::locale()->insertCatalogue("ktux");
saver = 0;
readSettings();
setCaption(i18n("Setup KTux") );
TQVBoxLayout *tl = new TQVBoxLayout(this, 10, 10);
TQHBoxLayout *tl1 = new TQHBoxLayout;
tl->addLayout(tl1);
TQVBoxLayout *tl11 = new TQVBoxLayout(5);
tl1->addLayout(tl11);
TQLabel *label = new TQLabel( i18n("Speed:"), this );
label->setMinimumSize(label->sizeHint());
tl11->addStretch(1);
tl11->addWidget(label);
TQSlider *sb = new TQSlider(0, 100, 10, speed, Qt::Horizontal, this );
tl11->addWidget(sb);
connect( sb, TQT_SIGNAL( valueChanged( int ) ), TQT_SLOT( slotSpeed( int ) ) );
preview = new TQWidget( this );
preview->setFixedSize( 220, 170 );
preview->setBackgroundColor( black );
preview->show(); // otherwise saver does not get correct size
saver = new KSpriteSaver( preview->winId() );
tl1->addWidget(preview);
KButtonBox *bbox = new KButtonBox(this);
TQButton *button = bbox->addButton( i18n("About"));
connect( button, TQT_SIGNAL( clicked() ), TQT_SLOT(slotAbout() ) );
bbox->addStretch(1);
button = bbox->addButton( KStdGuiItem::ok());
connect( button, TQT_SIGNAL( clicked() ), TQT_SLOT( slotOkPressed() ) );
button = bbox->addButton(KStdGuiItem::cancel());
connect( button, TQT_SIGNAL( clicked() ), TQT_SLOT( reject() ) );
bbox->layout();
tl->addWidget(bbox);
tl->freeze();
}
KSpriteSetup::~KSpriteSetup()
{
delete saver;
}
// read settings from config file
void KSpriteSetup::readSettings()
{
KConfig *config = KGlobal::config();
config->setGroup( "Settings" );
speed = config->readNumEntry( "Speed", 50 );
if (speed > 100)
speed = 100;
else if (speed < 0)
speed = 0;
}
void KSpriteSetup::slotSpeed(int s)
{
speed = s;
if (saver)
saver->setSpeed(speed);
}
// Ok pressed - save settings and exit
void KSpriteSetup::slotOkPressed()
{
KConfig *config = KGlobal::config();
config->setGroup("Settings");
config->writeEntry("Speed", speed);
config->sync();
accept();
}
void KSpriteSetup::slotAbout()
{
TQMessageBox::message(i18n("About KTux"),
i18n("KTux Version 1.0\n\nWritten by Martin R. Jones 1999\nmjones@kde.org"),
i18n("OK"));
}
//-----------------------------------------------------------------------------
KSpriteSaver::KSpriteSaver( WId id ) : KScreenSaver( id )
{
KGlobal::dirs()->addResourceType("sprite", KStandardDirs::kde_default("data") + "ktux/sprites/");
initialise();
readSettings();
blank();
connect(&mTimer, TQT_SIGNAL(timeout()), TQT_SLOT(slotTimeout()));
mTimer.start(120-mSpeed, true);
}
//-----------------------------------------------------------------------------
KSpriteSaver::~KSpriteSaver()
{
mTimer.stop();
delete mView;
delete mCanvas;
}
//-----------------------------------------------------------------------------
//
void KSpriteSaver::setSpeed(int speed)
{
mSpeed = speed;
mTimer.changeInterval(120-mSpeed);
}
//-----------------------------------------------------------------------------
// read settings from config file
//
void KSpriteSaver::readSettings()
{
TQString str;
KConfig *config = KGlobal::config();
config->setGroup("Settings");
mSpeed = config->readNumEntry("Speed", 50);
TQString path = KGlobal::dirs()->findResourceDir( "sprite", "bg.png" );
SpritePixmapManager::manager()->setPixmapDir(path);
path += "spriterc";
KSimpleConfig *mConfig = new KSimpleConfig(path, true);
mConfig->setGroup("Config");
TQStrList list;
int groups = mConfig->readListEntry("Groups", list);
mTimerIds.resize(groups);
for (int i = 0; i < groups; i++)
{
kdDebug() << "Group: " << list.at(i) << endl;;
mConfig->setGroup(list.at(i));
SpriteGroup *obj = new SpriteGroup(mCanvas, *mConfig);
mTimerIds[i] = startTimer(obj->refreshTime());
mGroups.append(obj);
}
delete mConfig;
}
//-----------------------------------------------------------------------------
void KSpriteSaver::initialise()
{
mCanvas = new TQCanvas();
TQPixmap pm( locate("sprite", "bg.png") );
mCanvas->setBackgroundPixmap( pm );
mCanvas->resize( width(), height() );
mView = new TQCanvasView(mCanvas);
mView->viewport()->setBackgroundColor( black );
mView->resize( size());
mView->setFrameStyle( TQFrame::NoFrame );
mView->setVScrollBarMode( TQScrollView::AlwaysOff );
mView->setHScrollBarMode( TQScrollView::AlwaysOff );
embed( mView );
mView->show();
SpriteRange::setFieldSize(mView->size());
}
//-----------------------------------------------------------------------------
void KSpriteSaver::slotTimeout()
{
mTimer.start(120-mSpeed, true);
SpriteGroup *grp;
for (grp = mGroups.first(); grp; grp = mGroups.next())
{
grp->next();
}
mCanvas->advance();
}
//-----------------------------------------------------------------------------
void KSpriteSaver::timerEvent(TQTimerEvent *ev)
{
for (unsigned i = 0; i < mTimerIds.size(); i++)
{
if (mTimerIds[i] == ev->timerId())
{
mGroups.at(i)->refresh();
killTimer(ev->timerId());
mTimerIds[i] = startTimer(mGroups.at(i)->refreshTime());
break;
}
}
}
//-----------------------------------------------------------------------------
void KSpriteSaver::blank()
{
setBackgroundColor( black );
erase();
}