void DCommandHistory::redo() {
DCommand* command = m_commands[ d->m_current + 1 ];
command->execute();
emit commandExecuted( command );
if ( m_undo ) {
m_undo->setEnabled(true);
m_undo->setText( tr("&Undo: %1").arg(command->name()) );
}
++d->m_current;
if ( d->m_current == d->m_savedAt )
emit documentRestored();
if ( isRedoAvailable() ) {
if ( m_redo ) {
command = m_commands[ d->m_current + 1 ];
m_redo->setEnabled(true);
m_redo->setText( tr("&Redo: %1").arg(command->name()) );
}
} else {
if( m_redo ) {
m_redo->setEnabled(false);
m_redo->setText( tr("&Redo") );
}
}
emit modified();
}
void DCommandHistory::undo() {
Q_ASSERT( d->m_current >= 0 );
DCommand* command = m_commands[ d->m_current ];
command->unexecute();
emit commandExecuted( command );
if ( m_redo )
{
m_redo->setEnabled(true);
m_redo->setText( tr("&Redo: %1").arg(command->name()) );
}
--d->m_current;
if ( d->m_current >= 0 ) {
// undoing further is possible
if (m_undo ) {
DCommand* command = m_commands[ d->m_current ];
m_undo->setEnabled(true);
m_undo->setText( tr("&Undo: %1").arg(command->name()) );
}
} else {
// undoing further is not possible
if ( m_undo ) {
m_undo->setEnabled(false);
m_undo->setText( tr("&Undo") );
}
}
if ( d->m_current == d->m_savedAt )
emit documentRestored();
clipCommands(); // only needed here and in addCommand, NOT in redo
emit modified();
}
FITSViewer::FITSViewer (const KURL *url, QWidget *parent, const char *name)
: KMainWindow (parent, name)
{
image = NULL;
currentURL = *url;
imgBuffer = NULL;
histo = NULL;
Dirty = 0;
/* Initiliaze menu actions */
history = new KCommandHistory(actionCollection());
history->setUndoLimit(10);
history->setRedoLimit(10);
history->documentSaved();
connect(history, SIGNAL(documentRestored()), this, SLOT(fitsRestore()));
/* Setup image widget */
image = new FITSImage(this);
setCentralWidget(image);
statusBar()->insertItem("", 0);
statusBar()->setItemFixed(0, 100);
statusBar()->insertItem("", 1);
statusBar()->setItemFixed(1, 100);
statusBar()->insertItem("", 2);
statusBar()->setItemFixed(2, 100);
statusBar()->insertItem(i18n("Welcome to KStars FITS Viewer"), 3, 1, true);
statusBar()->setItemAlignment(3 , Qt::AlignLeft);
/* FITS initializations */
if (!initFITS())
{
close();
return;
}
QFile tempFile;
if (KSUtils::openDataFile( tempFile, "imgreduction.png" ) )
{
new KAction( i18n("Image Reduction"), tempFile.name(), KShortcut( "Ctrl+R" ), this, SLOT( imageReduction()), actionCollection(), "image_reduce");
tempFile.close();
}
else
new KAction( i18n("Image Reduction"), "blend", KShortcut( "Ctrl+R" ), this, SLOT( imageReduction()), actionCollection(), "image_reduce");
/*if (KSUtils::openDataFile( tempFile, "bricon.png" ) )
{
new KAction( i18n("Brightness/Contrast"), tempFile.name(), KShortcut( "Ctrl+T" ), this, SLOT( BrightContrastDlg()), actionCollection(), "image_brightness_contrast");
tempFile.close();
}
else*/
new KAction( i18n("Brightness/Contrast"), "contrast+", KShortcut( "Ctrl+T" ), this, SLOT( BrightContrastDlg()), actionCollection(), "image_brightness_contrast");
if (KSUtils::openDataFile( tempFile, "histogram.png" ) )
{
new KAction ( i18n("Histogram"), tempFile.name(), KShortcut("Ctrl+H"), this, SLOT (imageHistogram()), actionCollection(), "image_histogram");
tempFile.close();
}
else
new KAction ( i18n("Histogram"), "wizard", KShortcut("Ctrl+H"), this, SLOT (imageHistogram()), actionCollection(), "image_histogram");
KStdAction::open(this, SLOT(fileOpen()), actionCollection());
KStdAction::save(this, SLOT(fileSave()), actionCollection());
KStdAction::saveAs(this, SLOT(fileSaveAs()), actionCollection());
KStdAction::close(this, SLOT(slotClose()), actionCollection());
KStdAction::copy(this, SLOT(fitsCOPY()), actionCollection());
KStdAction::zoomIn(image, SLOT(fitsZoomIn()), actionCollection());
KStdAction::zoomOut(image, SLOT(fitsZoomOut()), actionCollection());
new KAction( i18n( "&Default Zoom" ), "viewmagfit.png", KShortcut( "Ctrl+D" ),
image, SLOT(fitsZoomDefault()), actionCollection(), "zoom_default" );
new KAction( i18n( "Statistics"), "sum", 0, this, SLOT(fitsStatistics()), actionCollection(), "image_stats");
new KAction( i18n( "FITS Header"), "frame_spreadsheet.png", 0, this, SLOT(fitsHeader()), actionCollection(), "fits_editor");
/* Create GUI */
createGUI("fitsviewer.rc");
/* initially resize in accord with KDE rules */
resize(640, 480);
}
