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tdeartwork/kscreensaver/kdesavers/slideshow.cpp

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/* Slide Show Screen Saver
* (C) 1999 Stefan Taferner <taferner@kde.org>
* (C) 2001 Martin R. Jones <mjones@kde.org>
* (C) 2003 Chris Howells <howells@kde.org>
* (C) 2003 Sven Leiber <s.leiber@web.de>
*
* This code is under GPL
*
* 2001/03/04 Converted to libkscreensaver by Martin R. Jones.
*/
#include <tqdir.h>
#include <tqcolor.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqfile.h>
#include <tqpaintdevicemetrics.h>
#include <tqcheckbox.h>
#include <tqcombobox.h>
#include <tqspinbox.h>
#include <tqframe.h>
#include <tqdesktopwidget.h>
#include <kconfig.h>
#include <kglobal.h>
#include <kapplication.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kimageio.h>
#include <kfiledialog.h>
#include <kstandarddirs.h>
#include <kurlrequester.h>
#include <kaboutdata.h>
#include <kaboutapplication.h>
#include <kdebug.h>
#include <stdlib.h>
#include <assert.h>
#include <math.h>
#include <time.h>
#include "slideshow.h"
#include "slideshow.moc"
#include "slideshowcfg.h"
#define SLIDESHOW_VERSION "2.3.0"
static const char version[] = SLIDESHOW_VERSION;
static const char description[] = I18N_NOOP("KSlideshow");
// libkscreensaver interface
extern "C"
{
KDE_EXPORT const char *kss_applicationName = "kslideshow.kss";
KDE_EXPORT const char *kss_description = I18N_NOOP( "KSlideshow" );
KDE_EXPORT const char *kss_version = SLIDESHOW_VERSION;
KDE_EXPORT KScreenSaver *kss_create( WId id )
{
return new kSlideShowSaver( id );
}
KDE_EXPORT TQDialog *kss_setup()
{
return new kSlideShowSetup();
}
}
//=============================================================================
// Class kSlideShowSaver
//=============================================================================
kSlideShowSaver::kSlideShowSaver( WId id ): KScreenSaver(id)
{
KImageIO::registerFormats();
blank();
mEffect = NULL;
mNumEffects = 0;
mIntArray = NULL;
registerEffects();
readConfig();
initNextScreen();
mFileIdx = 0;
mColorContext = TQColor::enterAllocContext();
mEffectRunning = false;
mTimer.start(10, true);
connect(&mTimer, TQT_SIGNAL(timeout()), TQT_SLOT(slotTimeout()));
TQDesktopWidget *d = TQApplication::desktop();
if( tqgeometry() == d->tqgeometry() && d->numScreens() > 1)
{
for(int i = 0; i < d->numScreens(); ++i)
{
TQRect s = d->screenGeometry(i);
mGeoList.append(new mScreenGeo(s.width(), s.height(), s.topLeft().x(), s.topLeft().y()));
}
}
else
{
mGeoList.append(new mScreenGeo(width(), height(), 0, 0 ));
}
createNextScreen();
}
//----------------------------------------------------------------------------
kSlideShowSaver::~kSlideShowSaver()
{
delete [] mIntArray;
delete [] mEffectList;
mTimer.stop();
if (mPainter.isActive()) mPainter.end();
TQColor::leaveAllocContext();
TQColor::destroyAllocContext(mColorContext);
}
//-----------------------------------------------------------------------------
void kSlideShowSaver::initNextScreen()
{
TQPaintDeviceMetrics metric(this);
int w, h;
w = width();
h = height();
mNextScreen = TQPixmap(w, h, metric.depth());
}
//-----------------------------------------------------------------------------
void kSlideShowSaver::readConfig()
{
KConfig *config = KGlobal::config();
config->setGroup("Settings");
mShowRandom = config->readBoolEntry("ShowRandom", true);
mZoomImages = config->readBoolEntry("ZoomImages", false);
mPrintName = config->readBoolEntry("PrintName", true);
mDirectory = config->readPathEntry("Directory", KGlobal::dirs()->findDirs("wallpaper", "").last());
mDelay = config->readNumEntry("Delay", 10) * 1000;
mSubdirectory = config->readBoolEntry("SubDirectory", false);
mRandomPosition = config->readBoolEntry("RandomPosition", false);
loadDirectory();
}
//----------------------------------------------------------------------------
void kSlideShowSaver::registerEffects()
{
int i = 0;
mEffectList = new EffectMethod[64];
mEffectList[i++] = &kSlideShowSaver::effectChessboard;
mEffectList[i++] = &kSlideShowSaver::effectMultiCircleOut;
mEffectList[i++] = &kSlideShowSaver::effectSpiralIn;
mEffectList[i++] = &kSlideShowSaver::effectSweep;
mEffectList[i++] = &kSlideShowSaver::effectMeltdown;
mEffectList[i++] = &kSlideShowSaver::effectCircleOut;
mEffectList[i++] = &kSlideShowSaver::effectBlobs;
mEffectList[i++] = &kSlideShowSaver::effectHorizLines;
mEffectList[i++] = &kSlideShowSaver::effectVertLines;
mEffectList[i++] = &kSlideShowSaver::effectRandom;
mEffectList[i++] = &kSlideShowSaver::effectGrowing;
mEffectList[i++] = &kSlideShowSaver::effectIncomingEdges;
mNumEffects = i;
// mNumEffects = 1; //...for testing
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectMultiCircleOut(bool aInit)
{
int x, y, i;
double alpha;
static TQPointArray pa(4);
if (aInit)
{
startPainter();
mw = width();
mh = height();
mx = mw;
my = mh>>1;
pa.setPoint(0, mw>>1, mh>>1);
pa.setPoint(3, mw>>1, mh>>1);
mfy = sqrt((double)mw*mw + mh*mh) / 2;
mi = KApplication::random()%15 + 2;
mfd = M_PI*2/mi;
mAlpha = mfd;
mwait = 10 * mi;
mfx = M_PI/32; // divisor must be powers of 8
}
if (mAlpha < 0)
{
mPainter.end();
showNextScreen();
return -1;
}
for (alpha=mAlpha, i=mi; i>=0; i--, alpha+=mfd)
{
x = (mw>>1) + (int)(mfy * cos(-alpha));
y = (mh>>1) + (int)(mfy * sin(-alpha));
mx = (mw>>1) + (int)(mfy * cos(-alpha + mfx));
my = (mh>>1) + (int)(mfy * sin(-alpha + mfx));
pa.setPoint(1, x, y);
pa.setPoint(2, mx, my);
mPainter.drawPolygon(pa);
}
mAlpha -= mfx;
return mwait;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectSpiralIn(bool aInit)
{
if (aInit)
{
startPainter();
mw = width();
mh = height();
mix = mw / 8;
miy = mh / 8;
mx0 = 0;
mx1 = mw - mix;
my0 = miy;
my1 = mh - miy;
mdx = mix;
mdy = 0;
mi = 0;
mj = 16 * 16;
mx = 0;
my = 0;
}
if (mi==0 && mx0>=mx1)
{
mPainter.end();
showNextScreen();
return -1;
}
if (mi==0 && mx>=mx1) // switch to: down on right side
{
mi = 1;
mdx = 0;
mdy = miy;
mx1 -= mix;
}
else if (mi==1 && my>=my1) // switch to: right to left on bottom side
{
mi = 2;
mdx = -mix;
mdy = 0;
my1 -= miy;
}
else if (mi==2 && mx<=mx0) // switch to: up on left side
{
mi = 3;
mdx = 0;
mdy = -miy;
mx0 += mix;
}
else if (mi==3 && my<=my0) // switch to: left to right on top side
{
mi = 0;
mdx = mix;
mdy = 0;
my0 += miy;
}
bitBlt(TQT_TQPAINTDEVICE(this), mx, my, TQT_TQPAINTDEVICE(&mNextScreen), mx, my, mix, miy, CopyROP, true);
mx += mdx;
my += mdy;
mj--;
return 8;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectMeltdown(bool aInit)
{
int i, x, y;
bool done;
if (aInit)
{
delete [] mIntArray;
mw = width();
mh = height();
mdx = 4;
mdy = 16;
mix = mw / mdx;
mIntArray = new int[mix];
for (i=mix-1; i>=0; i--)
mIntArray[i] = 0;
}
done = true;
for (i=0,x=0; i<mix; i++,x+=mdx)
{
y = mIntArray[i];
if (y >= mh) continue;
done = false;
if ((KApplication::random()&15) < 6) continue;
bitBlt(TQT_TQPAINTDEVICE(this), x, y+mdy, TQT_TQPAINTDEVICE(this), x, y, mdx, mh-y-mdy, CopyROP, true);
bitBlt(TQT_TQPAINTDEVICE(this), x, y, TQT_TQPAINTDEVICE(&mNextScreen), x, y, mdx, mdy, CopyROP, true);
mIntArray[i] += mdy;
}
if (done)
{
delete [] mIntArray;
mIntArray = NULL;
return -1;
}
return 15;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectCircleOut(bool aInit)
{
int x, y;
static TQPointArray pa(4);
if (aInit)
{
startPainter();
mw = width();
mh = height();
mx = mw;
my = mh>>1;
mAlpha = 2*M_PI;
pa.setPoint(0, mw>>1, mh>>1);
pa.setPoint(3, mw>>1, mh>>1);
mfx = M_PI/16; // divisor must be powers of 8
mfy = sqrt((double)mw*mw + mh*mh) / 2;
}
if (mAlpha < 0)
{
mPainter.end();
showNextScreen();
return -1;
}
x = mx;
y = my;
mx = (mw>>1) + (int)(mfy * cos(mAlpha));
my = (mh>>1) + (int)(mfy * sin(mAlpha));
mAlpha -= mfx;
pa.setPoint(1, x, y);
pa.setPoint(2, mx, my);
mPainter.drawPolygon(pa);
return 20;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectSweep(bool aInit)
{
int w, h, x, y, i;
if (aInit)
{
// subtype: 0=sweep right to left, 1=sweep left to right
// 2=sweep bottom to top, 3=sweep top to bottom
mSubType = KApplication::random() % 4;
mw = width();
mh = height();
mdx = (mSubType==1 ? 16 : -16);
mdy = (mSubType==3 ? 16 : -16);
mx = (mSubType==1 ? 0 : mw);
my = (mSubType==3 ? 0 : mh);
}
if (mSubType==0 || mSubType==1)
{
// horizontal sweep
if ((mSubType==0 && mx < -64) ||
(mSubType==1 && mx > mw+64))
{
return -1;
}
for (w=2,i=4,x=mx; i>0; i--, w<<=1, x-=mdx)
{
bitBlt(TQT_TQPAINTDEVICE(this), x, 0, TQT_TQPAINTDEVICE(&mNextScreen), x, 0, w, mh, CopyROP, true);
}
mx += mdx;
}
else
{
// vertical sweep
if ((mSubType==2 && my < -64) ||
(mSubType==3 && my > mh+64))
{
return -1;
}
for (h=2,i=4,y=my; i>0; i--, h<<=1, y-=mdy)
{
bitBlt(TQT_TQPAINTDEVICE(this), 0, y, TQT_TQPAINTDEVICE(&mNextScreen), 0, y, mw, h, CopyROP, true);
}
my += mdy;
}
return 20;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectBlobs(bool aInit)
{
int r;
if (aInit)
{
startPainter();
mAlpha = M_PI * 2;
mw = width();
mh = height();
mi = 150;
}
if (mi <= 0)
{
mPainter.end();
showNextScreen();
return -1;
}
mx = KApplication::random() % mw;
my = KApplication::random() % mh;
r = (KApplication::random() % 200) + 50;
mPainter.drawEllipse(mx-r, my-r, r, r);
mi--;
return 10;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectRandom(bool /*aInit*/)
{
int x, y, i, w, h, fact, sz;
fact = (KApplication::random() % 3) + 1;
w = width() >> fact;
h = height() >> fact;
sz = 1 << fact;
for (i = (w*h)<<1; i > 0; i--)
{
x = (KApplication::random() % w) << fact;
y = (KApplication::random() % h) << fact;
bitBlt(TQT_TQPAINTDEVICE(this), x, y, TQT_TQPAINTDEVICE(&mNextScreen), x, y, sz, sz, CopyROP, true);
}
showNextScreen();
return -1;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectGrowing(bool aInit)
{
if (aInit)
{
mw = width();
mh = height();
mx = mw >> 1;
my = mh >> 1;
mi = 0;
mfx = mx / 100.0;
mfy = my / 100.0;
}
mx = (mw>>1) - (int)(mi * mfx);
my = (mh>>1) - (int)(mi * mfy);
mi++;
if (mx<0 || my<0)
{
showNextScreen();
return -1;
}
bitBlt(TQT_TQPAINTDEVICE(this), mx, my, TQT_TQPAINTDEVICE(&mNextScreen), mx, my,
mw - (mx<<1), mh - (my<<1), CopyROP, true);
return 20;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectChessboard(bool aInit)
{
int y;
if (aInit)
{
mw = width();
mh = height();
mdx = 8; // width of one tile
mdy = 8; // height of one tile
mj = (mw+mdx-1)/mdx; // number of tiles
mx = mj*mdx; // shrinking x-offset from screen border
mix = 0; // growing x-offset from screen border
miy = 0; // 0 or mdy for growing tiling effect
my = mj&1 ? 0 : mdy; // 0 or mdy for shrinking tiling effect
mwait = 800 / mj; // timeout between effects
}
if (mix >= mw)
{
showNextScreen();
return -1;
}
mix += mdx;
mx -= mdx;
miy = miy ? 0 : mdy;
my = my ? 0 : mdy;
for (y=0; y<mw; y+=(mdy<<1))
{
bitBlt(TQT_TQPAINTDEVICE(this), mix, y+miy, TQT_TQPAINTDEVICE(&mNextScreen), mix, y+miy,
mdx, mdy, CopyROP, true);
bitBlt(TQT_TQPAINTDEVICE(this), mx, y+my, TQT_TQPAINTDEVICE(&mNextScreen), mx, y+my,
mdx, mdy, CopyROP, true);
}
return mwait;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectIncomingEdges(bool aInit)
{
int x1, y1;
if (aInit)
{
mw = width();
mh = height();
mix = mw >> 1;
miy = mh >> 1;
mfx = mix / 100.0;
mfy = miy / 100.0;
mi = 0;
mSubType = KApplication::random() & 1;
}
mx = (int)(mfx * mi);
my = (int)(mfy * mi);
if (mx>mix || my>miy)
{
showNextScreen();
return -1;
}
x1 = mw - mx;
y1 = mh - my;
mi++;
if (mSubType)
{
// moving image edges
bitBlt(TQT_TQPAINTDEVICE(this), 0, 0, TQT_TQPAINTDEVICE(&mNextScreen), mix-mx, miy-my, mx, my, CopyROP, true);
bitBlt(TQT_TQPAINTDEVICE(this), x1, 0, TQT_TQPAINTDEVICE(&mNextScreen), mix, miy-my, mx, my, CopyROP, true);
bitBlt(TQT_TQPAINTDEVICE(this), 0, y1, TQT_TQPAINTDEVICE(&mNextScreen), mix-mx, miy, mx, my, CopyROP, true);
bitBlt(TQT_TQPAINTDEVICE(this), x1, y1, TQT_TQPAINTDEVICE(&mNextScreen), mix, miy, mx, my, CopyROP, true);
}
else
{
// fixed image edges
bitBlt(TQT_TQPAINTDEVICE(this), 0, 0, TQT_TQPAINTDEVICE(&mNextScreen), 0, 0, mx, my, CopyROP, true);
bitBlt(TQT_TQPAINTDEVICE(this), x1, 0, TQT_TQPAINTDEVICE(&mNextScreen), x1, 0, mx, my, CopyROP, true);
bitBlt(TQT_TQPAINTDEVICE(this), 0, y1, TQT_TQPAINTDEVICE(&mNextScreen), 0, y1, mx, my, CopyROP, true);
bitBlt(TQT_TQPAINTDEVICE(this), x1, y1, TQT_TQPAINTDEVICE(&mNextScreen), x1, y1, mx, my, CopyROP, true);
}
return 20;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectHorizLines(bool aInit)
{
static int iyPos[] = { 0, 4, 2, 6, 1, 5, 3, 7, -1 };
int y;
if (aInit)
{
mw = width();
mh = height();
mi = 0;
}
if (iyPos[mi] < 0) return -1;
for (y=iyPos[mi]; y<mh; y+=8)
{
bitBlt(TQT_TQPAINTDEVICE(this), 0, y, TQT_TQPAINTDEVICE(&mNextScreen), 0, y, mw, 1, CopyROP, true);
}
mi++;
if (iyPos[mi] >= 0) return 160;
return -1;
}
//----------------------------------------------------------------------------
int kSlideShowSaver::effectVertLines(bool aInit)
{
static int ixPos[] = { 0, 4, 2, 6, 1, 5, 3, 7, -1 };
int x;
if (aInit)
{
mw = width();
mh = height();
mi = 0;
}
if (ixPos[mi] < 0) return -1;
for (x=ixPos[mi]; x<mw; x+=8)
{
bitBlt(TQT_TQPAINTDEVICE(this), x, 0, TQT_TQPAINTDEVICE(&mNextScreen), x, 0, 1, mh, CopyROP, true);
}
mi++;
if (ixPos[mi] >= 0) return 160;
return -1;
}
//-----------------------------------------------------------------------------
void kSlideShowSaver::startPainter(TQt::PenStyle aPen)
{
TQBrush brush;
brush.setPixmap(mNextScreen);
if (mPainter.isActive()) mPainter.end();
mPainter.begin(this);
mPainter.setBrush(brush);
mPainter.setPen(aPen);
}
//-----------------------------------------------------------------------------
void kSlideShowSaver::restart()
{
mEffectRunning = false;
mEffect = NULL;
blank();
slotTimeout();
}
//-----------------------------------------------------------------------------
void kSlideShowSaver::slotTimeout()
{
int tmout = -1;
int i;
if (mEffectRunning)
{
tmout = (this->*mEffect)(false);
}
else
{
loadNextImage();
createNextScreen();
if (mNumEffects > 1) i = KApplication::random() % mNumEffects;
else i = 0;
mEffect = mEffectList[i];
mEffectRunning = true;
tmout = (this->*mEffect)(true);
}
if (tmout <= 0)
{
tmout = mDelay;
mEffectRunning = false;
}
mTimer.start(tmout, true);
}
//----------------------------------------------------------------------------
void kSlideShowSaver::showNextScreen()
{
bitBlt(TQT_TQPAINTDEVICE(this), 0, 0, TQT_TQPAINTDEVICE(&mNextScreen), 0, 0,
mNextScreen.width(), mNextScreen.height(), CopyROP, true);
}
//----------------------------------------------------------------------------
void kSlideShowSaver::createNextScreen()
{
TQPainter p;
int ww, wh, iw, ih, x, y;
double fx, fy;
if (mNextScreen.size() != size())
mNextScreen.resize(size());
mNextScreen.fill(black);
p.begin(&mNextScreen);
mScreenGeo *geoptr = 0;
for(geoptr = mGeoList.first(); geoptr; geoptr = mGeoList.next())
{
loadNextImage();
iw = mImage.width();
ih = mImage.height();
ww = geoptr->mW;
wh = geoptr->mH;
if (mFileList.isEmpty())
{
p.setPen(TQColor("white"));
p.drawText(20 + (KApplication::random() % (ww>>1)), 20 + (KApplication::random() % (wh>>1)),
i18n("No images found"));
}
else
{
if (mZoomImages)
{
fx = (double)ww / iw;
fy = (double)wh / ih;
if (fx > fy) fx = fy;
if (fx > 2) fx = 2;
iw = (int)(iw * fx);
ih = (int)(ih * fx);
TQImage scaledImg = mImage.smoothScale(iw, ih);
x = ((ww - iw) >> 1) + geoptr->mXorg;
y = ((wh - ih) >> 1) + geoptr->mYorg;
p.drawImage(x, y, scaledImg);
}
else
{
if(iw >= ww || ih >= wh)
{
fx = (double)ww / iw;
fy = (double)wh / ih;
if (fx > fy) fx = fy;
if (fx > 2) fx = 2;
iw = (int)(iw * fx);
ih = (int)(ih * fx);
TQImage scaledImg = mImage.smoothScale(iw, ih);
x = ((ww - iw) >> 1) + geoptr->mXorg;
y = ((wh - ih) >> 1) + geoptr->mYorg;
p.drawImage(x, y, scaledImg);
}
else
{
if(mRandomPosition)
{
x = (KApplication::random() % (ww - iw)) + geoptr->mXorg;
y = (KApplication::random() % (wh - ih)) + geoptr->mYorg;
}
else
{
x = ((ww - iw) >> 1) + geoptr->mXorg;
y = ((wh - ih) >> 1) + geoptr->mYorg;
}
// bitBlt(TQT_TQPAINTDEVICE(&mNextScreen), x, y, TQT_TQPAINTDEVICE(&mImage), 0, 0, iw, ih, CopyROP, false);
p.drawImage(x, y, mImage);
}
}
if (mPrintName)
{
p.setPen(TQColor("black"));
for (x=9; x<=11; x++)
for (y=21; y>=19; y--)
p.drawText(x + geoptr->mXorg, wh-y+geoptr->mYorg, mImageName);
p.setPen(TQColor("white"));
p.drawText(10 + geoptr->mXorg, wh-20 + geoptr->mYorg, mImageName);
}
}
}
p.end();
}
//----------------------------------------------------------------------------
void kSlideShowSaver::loadNextImage()
{
TQString fname;
int num;
num = mFileList.count();
if (num <= 0) //no files in the directory
{
return;
}
if (mShowRandom)
{
mFileIdx = KApplication::random() % num;
fname = mFileList[mFileIdx];
mFileList.remove(fname);
if (num == 1) //we're about to run out of images
{
mFileList = mRandomList;
}
}
else
{
if (mFileIdx >= num) mFileIdx = 0;
fname = mFileList[mFileIdx];
}
if (!mImage.load(fname))
{
kdDebug() << "Failed to load image " << fname << endl;
mFileList.remove(fname);
mRandomList.remove(fname);
if (!mFileList.isEmpty())
loadNextImage();
return;
}
mFileIdx++;
int i, j;
i = fname.findRev('.');
if (i < 0) i = 32767;
j = fname.findRev('/') + 1;
if (j < 0) j = 0;
mImageName = fname.mid(j, i-j);
}
//----------------------------------------------------------------------------
void kSlideShowSaver::loadDirectory()
{
mFileIdx = 0;
mFileList.clear();
traverseDirectory(mDirectory);
mRandomList = mFileList;
}
void kSlideShowSaver::traverseDirectory(const TQString &dirName)
{
TQDir dir(dirName);
if (!dir.exists())
{
return ;
}
dir.setFilter(TQDir::Dirs | TQDir::Files);
const TQFileInfoList *fileinfolist = dir.entryInfoList();
TQFileInfoListIterator it(*fileinfolist);
TQFileInfo *fi;
while ((fi = it.current()))
{
if (fi->fileName() == "." || fi->fileName() == "..")
{
++it;
continue;
}
if (fi->isDir() && fi->isReadable() && mSubdirectory)
{
traverseDirectory(fi->filePath());
}
else
{
if (!fi->isDir())
{
mFileList.append(fi->filePath());
}
}
++it;
}
}
//-----------------------------------------------------------------------------
void kSlideShowSaver::blank()
{
erase();
}
//=============================================================================
// Class kSlideShowSetup
//=============================================================================
kSlideShowSetup::kSlideShowSetup(TQWidget *aParent, const char *aName)
: KDialogBase(aParent, aName, true, i18n( "Setup Slide Show Screen Saver" ),
Ok|Cancel|Help, Ok, true )
{
setButtonText( Help, i18n( "A&bout" ) );
TQWidget *main = makeMainWidget();
TQVBoxLayout *top = new TQVBoxLayout( main, 0, spacingHint() );
cfg = new SlideShowCfg( main, "SlideShowCfg" );
top->addWidget( cfg );
top->addStretch();
cfg->mPreview->setFixedSize(220, 170);
cfg->mPreview->setBackgroundColor(black);
cfg->mPreview->show(); // otherwise saver does not get correct size
mSaver = new kSlideShowSaver(cfg->mPreview->winId());
cfg->mDirChooser->setMode(KFile::Directory | KFile::ExistingOnly);
connect(cfg->mDirChooser, TQT_SIGNAL(returnPressed(const TQString &)),
TQT_SLOT(slotDirSelected(const TQString &)));
connect(cfg->mDirChooser, TQT_SIGNAL(urlSelected(const TQString &)),
TQT_SLOT(slotDirSelected(const TQString &)));
readSettings();
}
kSlideShowSetup::~kSlideShowSetup()
{
delete mSaver;
}
//-----------------------------------------------------------------------------
void kSlideShowSetup::readSettings()
{
KConfig *config = KGlobal::config();
config->setGroup("Settings");
cfg->mCbxRandom->setChecked(config->readBoolEntry("ShowRandom", true));
cfg->mCbxZoom->setChecked(config->readBoolEntry("ZoomImages", false));
cfg->mCbxShowName->setChecked(config->readBoolEntry("PrintName", true));
cfg->mDelay->setValue(config->readNumEntry("Delay", 20));
cfg->mDirChooser->setURL(config->readPathEntry("Directory"));
cfg->mCbxSubdirectory->setChecked(config->readBoolEntry("SubDirectory", false));
cfg->mCbxRandomPosition->setChecked(config->readBoolEntry("RandomPosition", false));
}
//-----------------------------------------------------------------------------
void kSlideShowSetup::writeSettings()
{
KConfig *config = KGlobal::config();
config->setGroup("Settings");
config->writeEntry("ShowRandom", cfg->mCbxRandom->isChecked());
config->writeEntry("ZoomImages", cfg->mCbxZoom->isChecked());
config->writeEntry("PrintName", cfg->mCbxShowName->isChecked());
config->writeEntry("Delay", cfg->mDelay->value());
config->writePathEntry("Directory", cfg->mDirChooser->url());
config->writeEntry("SubDirectory", cfg->mCbxSubdirectory->isChecked());
config->writeEntry("RandomPosition", cfg->mCbxRandomPosition->isChecked());
config->sync();
if (mSaver)
{
mSaver->readConfig();
mSaver->restart();
}
}
//-----------------------------------------------------------------------------
void kSlideShowSetup::slotDirSelected(const TQString &)
{
writeSettings();
}
//-----------------------------------------------------------------------------
void kSlideShowSetup::slotOk()
{
writeSettings();
accept();
}
//-----------------------------------------------------------------------------
void kSlideShowSetup::slotHelp()
{
KAboutData aboutData( "kslideshow.kss", I18N_NOOP("SlideShow"),
version, description, KAboutData::License_GPL,
"(c) 1999-2003, The KDE Team" );
aboutData.addAuthor("Stefan Taferner", 0, "taferner@kde.org");
aboutData.addAuthor("Chris Howells", 0, "howells@kde.org");
aboutData.addAuthor("Sven Leiber", 0, "s.leiber@web.de");
KAboutApplication mAbout(&aboutData, this, 0);
mAbout.exec();
}