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511 lines
13 KiB
511 lines
13 KiB
/*
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* KSnapshot
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*
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* (c) Richard J. Moore 1997-2002
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* (c) Matthias Ettrich 2000
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* (c) Aaron J. Seigo 2002
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* (c) Nadeem Hasan 2003
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* (c) Bernd Brandstetter 2004
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*
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* Released under the LGPL see file LICENSE for details.
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*/
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#include <klocale.h>
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#include <kimageio.h>
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#include <kfiledialog.h>
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#include <kimagefilepreview.h>
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#include <kmessagebox.h>
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#include <kdebug.h>
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#include <kapplication.h>
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#include <kprinter.h>
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#include <kio/netaccess.h>
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#include <ksavefile.h>
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#include <ktempfile.h>
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#include <tqbitmap.h>
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#include <tqdragobject.h>
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#include <tqimage.h>
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#include <tqclipboard.h>
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#include <tqvbox.h>
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#include <kaccel.h>
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#include <knotifyclient.h>
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#include <khelpmenu.h>
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#include <kpopupmenu.h>
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#include <kpushbutton.h>
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#include <kstartupinfo.h>
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#include <tqcursor.h>
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#include <tqregexp.h>
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#include <tqpainter.h>
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#include <tqpaintdevicemetrics.h>
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#include <tqwhatsthis.h>
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#include <stdlib.h>
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#include "ksnapshot.h"
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#include "regiongrabber.h"
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#include "windowgrabber.h"
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#include "ksnapshotwidget.h"
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <config.h>
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#include <kglobal.h>
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#define kApp KApplication::kApplication()
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KSnapshot::KSnapshot(TQWidget *parent, const char *name, bool grabCurrent)
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: DCOPObject("interface"),
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KDialogBase(parent, name, true, TQString(), Help|User1, User1,
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true, KStdGuiItem::quit() )
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{
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grabber = new TQWidget( 0, 0, WStyle_Customize | WX11BypassWM );
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grabber->move( -1000, -1000 );
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grabber->installEventFilter( this );
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KStartupInfo::appStarted();
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TQVBox *vbox = makeVBoxMainWidget();
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mainWidget = new KSnapshotWidget( vbox, "mainWidget" );
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connect(mainWidget, TQT_SIGNAL(startImageDrag()), TQT_SLOT(slotDragSnapshot()));
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connect( mainWidget, TQT_SIGNAL( newClicked() ), TQT_SLOT( slotGrab() ) );
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connect( mainWidget, TQT_SIGNAL( saveClicked() ), TQT_SLOT( slotSaveAs() ) );
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connect( mainWidget, TQT_SIGNAL( printClicked() ), TQT_SLOT( slotPrint() ) );
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connect( mainWidget, TQT_SIGNAL( copyClicked() ), TQT_SLOT( slotCopy() ) );
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grabber->show();
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grabber->grabMouse( waitCursor );
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if ( !grabCurrent )
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snapshot = TQPixmap::grabWindow( tqt_xrootwin() );
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else {
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mainWidget->setMode( WindowUnderCursor );
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mainWidget->setIncludeDecorations( true );
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performGrab();
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}
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updatePreview();
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grabber->releaseMouse();
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grabber->hide();
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KConfig *conf=KGlobal::config();
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conf->setGroup("GENERAL");
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mainWidget->setDelay(conf->readNumEntry("delay",0));
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mainWidget->setMode( conf->readNumEntry( "mode", 0 ) );
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mainWidget->setIncludeDecorations(conf->readBoolEntry("includeDecorations",true));
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filename = KURL::fromPathOrURL( conf->readPathEntry( "filename", TQDir::currentDirPath()+"/"+i18n("snapshot")+"1.png" ));
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// Make sure the name is not already being used
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while(KIO::NetAccess::exists( filename, false, this )) {
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autoincFilename();
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}
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connect( &grabTimer, TQT_SIGNAL( timeout() ), TQT_TQOBJECT(this), TQT_SLOT( grabTimerDone() ) );
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connect( &updateTimer, TQT_SIGNAL( timeout() ), TQT_TQOBJECT(this), TQT_SLOT( updatePreview() ) );
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TQTimer::singleShot( 0, TQT_TQOBJECT(this), TQT_SLOT( updateCaption() ) );
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KHelpMenu *helpMenu = new KHelpMenu(this, KGlobal::instance()->aboutData(), false);
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TQPushButton *helpButton = actionButton( Help );
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helpButton->setPopup(helpMenu->menu());
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KAccel* accel = new KAccel(this);
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accel->insert(KStdAccel::Quit, TQT_TQOBJECT(kapp), TQT_SLOT(quit()));
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accel->insert( "QuickSave", i18n("Quick Save Snapshot &As..."),
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i18n("Save the snapshot to the file specified by the user without showing the file dialog."),
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CTRL+SHIFT+Key_S, TQT_TQOBJECT(this), TQT_SLOT(slotSave()));
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accel->insert(KStdAccel::Save, TQT_TQOBJECT(this), TQT_SLOT(slotSaveAs()));
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// accel->insert(KShortcut(CTRL+Key_A), TQT_TQOBJECT(this), TQT_SLOT(slotSaveAs()));
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accel->insert( "SaveAs", i18n("Save Snapshot &As..."),
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i18n("Save the snapshot to the file specified by the user."),
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CTRL+Key_A, TQT_TQOBJECT(this), TQT_SLOT(slotSaveAs()));
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accel->insert(KStdAccel::Print, TQT_TQOBJECT(this), TQT_SLOT(slotPrint()));
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accel->insert(KStdAccel::New, TQT_TQOBJECT(this), TQT_SLOT(slotGrab()));
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accel->insert(KStdAccel::Copy, TQT_TQOBJECT(this), TQT_SLOT(slotCopy()));
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accel->insert( "Quit2", Key_Q, TQT_TQOBJECT(this), TQT_SLOT(slotSave()));
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accel->insert( "Save2", Key_S, TQT_TQOBJECT(this), TQT_SLOT(slotSaveAs()));
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accel->insert( "Print2", Key_P, TQT_TQOBJECT(this), TQT_SLOT(slotPrint()));
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accel->insert( "New2", Key_N, TQT_TQOBJECT(this), TQT_SLOT(slotGrab()));
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accel->insert( "New3", Key_Space, TQT_TQOBJECT(this), TQT_SLOT(slotGrab()));
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setEscapeButton( User1 );
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connect( this, TQT_SIGNAL( user1Clicked() ), TQT_SLOT( reject() ) );
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mainWidget->btnNew->setFocus();
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}
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KSnapshot::~KSnapshot()
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{
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}
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void KSnapshot::resizeEvent( TQResizeEvent *event)
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{
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if( !updateTimer.isActive() )
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updateTimer.start(200, true);
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else
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updateTimer.changeInterval(200);
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}
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bool KSnapshot::save( const TQString &filename )
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{
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return save( KURL::fromPathOrURL( filename ));
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}
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bool KSnapshot::save( const KURL& url )
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{
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if ( KIO::NetAccess::exists( url, false, this ) ) {
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const TQString title = i18n( "File Exists" );
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const TQString text = i18n( "<qt>Do you really want to overwrite <b>%1</b>?</qt>" ).arg(url.prettyURL());
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if (KMessageBox::Continue != KMessageBox::warningContinueCancel( this, text, title, i18n("Overwrite") ) )
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{
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return false;
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}
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}
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TQString type( KImageIO::type(url.path()) );
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if ( type.isNull() )
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type = "PNG";
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bool ok = false;
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if ( url.isLocalFile() ) {
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KSaveFile saveFile( url.path() );
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if ( saveFile.status() == 0 ) {
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if ( snapshot.save( saveFile.file(), type.latin1() ) )
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ok = saveFile.close();
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}
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}
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else {
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KTempFile tmpFile;
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tmpFile.setAutoDelete( true );
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if ( tmpFile.status() == 0 ) {
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if ( snapshot.save( tmpFile.file(), type.latin1() ) ) {
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if ( tmpFile.close() )
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ok = KIO::NetAccess::upload( tmpFile.name(), url, this );
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}
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}
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}
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TQApplication::restoreOverrideCursor();
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if ( !ok ) {
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kdWarning() << "KSnapshot was unable to save the snapshot" << endl;
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TQString caption = i18n("Unable to save image");
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TQString text = i18n("KSnapshot was unable to save the image to\n%1.")
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.arg(url.prettyURL());
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KMessageBox::error(this, text, caption);
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}
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return ok;
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}
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void KSnapshot::slotSave()
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{
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if ( save(filename) ) {
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modified = false;
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autoincFilename();
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}
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}
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void KSnapshot::slotSaveAs()
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{
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TQStringList mimetypes = KImageIO::mimeTypes( KImageIO::Writing );
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KFileDialog dlg( filename.url(), mimetypes.join(" "), this, "filedialog", true);
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dlg.setOperationMode( KFileDialog::Saving );
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dlg.setCaption( i18n("Save As") );
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KImageFilePreview *ip = new KImageFilePreview( &dlg );
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dlg.setPreviewWidget( ip );
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if ( !dlg.exec() )
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return;
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KURL url = dlg.selectedURL();
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if ( !url.isValid() )
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return;
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if ( save(url) ) {
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filename = url;
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modified = false;
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autoincFilename();
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}
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}
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void KSnapshot::slotCopy()
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{
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TQClipboard *cb = TQApplication::clipboard();
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cb->setPixmap( snapshot );
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}
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void KSnapshot::slotDragSnapshot()
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{
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TQDragObject *drobj = new TQImageDrag(snapshot.convertToImage(), this);
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drobj->setPixmap(mainWidget->preview());
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drobj->dragCopy();
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}
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void KSnapshot::slotGrab()
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{
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hide();
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if ( mainWidget->delay() && mainWidget->mode() != Region )
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grabTimer.start( mainWidget->delay() * 1000, true );
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else {
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if ( mainWidget->mode() == Region ) {
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rgnGrab = new RegionGrabber();
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connect( rgnGrab, TQT_SIGNAL( regionGrabbed( const TQPixmap & ) ),
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TQT_SLOT( slotRegionGrabbed( const TQPixmap & ) ) );
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}
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else {
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grabber->show();
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grabber->grabMouse( crossCursor );
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}
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}
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}
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void KSnapshot::slotPrint()
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{
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KPrinter printer;
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if (snapshot.width() > snapshot.height())
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printer.setOrientation(KPrinter::Landscape);
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else
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printer.setOrientation(KPrinter::Portrait);
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tqApp->processEvents();
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if (printer.setup(this, i18n("Print Screenshot")))
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{
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tqApp->processEvents();
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TQPainter painter(&printer);
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TQPaintDeviceMetrics metrics(painter.device());
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float w = snapshot.width();
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float dw = w - metrics.width();
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float h = snapshot.height();
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float dh = h - metrics.height();
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bool scale = false;
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if ( (dw > 0.0) || (dh > 0.0) )
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scale = true;
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if ( scale ) {
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TQImage img = snapshot.convertToImage();
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tqApp->processEvents();
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float newh, neww;
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if ( dw > dh ) {
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neww = w-dw;
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newh = neww/w*h;
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}
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else {
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newh = h-dh;
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neww = newh/h*w;
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}
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img = img.smoothScale( int(neww), int(newh), TQ_ScaleMin );
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tqApp->processEvents();
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int x = (metrics.width()-img.width())/2;
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int y = (metrics.height()-img.height())/2;
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painter.drawImage( x, y, img);
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}
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else {
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int x = (metrics.width()-snapshot.width())/2;
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int y = (metrics.height()-snapshot.height())/2;
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painter.drawPixmap( x, y, snapshot );
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}
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}
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tqApp->processEvents();
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}
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void KSnapshot::slotRegionGrabbed( const TQPixmap &pix )
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{
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if ( !pix.isNull() )
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{
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snapshot = pix;
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updatePreview();
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modified = true;
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updateCaption();
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}
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delete rgnGrab;
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TQApplication::restoreOverrideCursor();
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show();
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}
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void KSnapshot::slotWindowGrabbed( const TQPixmap &pix )
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{
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if ( !pix.isNull() )
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{
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snapshot = pix;
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updatePreview();
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modified = true;
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updateCaption();
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}
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TQApplication::restoreOverrideCursor();
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show();
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}
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void KSnapshot::closeEvent( TQCloseEvent * e )
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{
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KConfig *conf=KGlobal::config();
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conf->setGroup("GENERAL");
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conf->writeEntry("delay",mainWidget->delay());
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conf->writeEntry("mode",mainWidget->mode());
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conf->writeEntry("includeDecorations",mainWidget->includeDecorations());
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KURL url = filename;
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url.setPass( TQString() );
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conf->writePathEntry("filename",url.url());
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e->accept();
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}
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bool KSnapshot::eventFilter( TQObject* o, TQEvent* e)
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{
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if ( TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(grabber) && e->type() == TQEvent::MouseButtonPress ) {
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TQMouseEvent* me = (TQMouseEvent*) e;
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if ( TQWidget::mouseGrabber() != grabber )
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return false;
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if ( me->button() == Qt::LeftButton )
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performGrab();
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}
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return false;
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}
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void KSnapshot::autoincFilename()
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{
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// Extract the filename from the path
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TQString name= filename.fileName();
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// If the name contains a number then increment it
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TQRegExp numSearch("[0-9]+");
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// Does it have a number?
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int start = numSearch.search(name);
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if (start != -1) {
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// It has a number, increment it
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int len = numSearch.matchedLength();
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TQString numAsStr= name.mid(start, len);
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TQString number = TQString::number(numAsStr.toInt() + 1);
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number = number.rightJustify( len, '0');
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name.replace(start, len, number );
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}
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else {
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// no number
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start = name.findRev('.');
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if (start != -1) {
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// has a . somewhere, e.g. it has an extension
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name.insert(start, '1');
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}
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else {
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// no extension, just tack it on to the end
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name += '1';
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}
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}
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//Rebuild the path
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KURL newURL = filename;
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newURL.setFileName( name );
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setURL( newURL.url() );
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}
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void KSnapshot::updatePreview()
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{
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mainWidget->setPreview( snapshot );
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}
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void KSnapshot::grabTimerDone()
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{
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if ( mainWidget->mode() == Region ) {
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rgnGrab = new RegionGrabber();
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connect( rgnGrab, TQT_SIGNAL( regionGrabbed( const TQPixmap & ) ),
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TQT_SLOT( slotRegionGrabbed( const TQPixmap & ) ) );
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}
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else {
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performGrab();
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}
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KNotifyClient::beep(i18n("The screen has been successfully grabbed."));
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}
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void KSnapshot::performGrab()
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{
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grabber->releaseMouse();
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grabber->hide();
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grabTimer.stop();
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if ( mainWidget->mode() == ChildWindow ) {
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WindowGrabber wndGrab;
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connect( &wndGrab, TQT_SIGNAL( windowGrabbed( const TQPixmap & ) ),
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TQT_SLOT( slotWindowGrabbed( const TQPixmap & ) ) );
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wndGrab.exec();
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}
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else if ( mainWidget->mode() == WindowUnderCursor ) {
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snapshot = WindowGrabber::grabCurrent( mainWidget->includeDecorations() );
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}
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else {
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snapshot = TQPixmap::grabWindow( tqt_xrootwin() );
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}
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updatePreview();
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TQApplication::restoreOverrideCursor();
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modified = true;
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updateCaption();
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show();
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}
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void KSnapshot::setTime(int newTime)
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{
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mainWidget->setDelay(newTime);
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}
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int KSnapshot::timeout()
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{
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return mainWidget->delay();
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}
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void KSnapshot::setURL( const TQString &url )
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{
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KURL newURL = KURL::fromPathOrURL( url );
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if ( newURL == filename )
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return;
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filename = newURL;
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updateCaption();
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}
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void KSnapshot::setGrabMode( int m )
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{
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mainWidget->setMode( m );
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}
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int KSnapshot::grabMode()
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{
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return mainWidget->mode();
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}
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void KSnapshot::updateCaption()
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{
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setCaption( kApp->makeStdCaption( filename.fileName(), true, modified ) );
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}
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void KSnapshot::slotMovePointer(int x, int y)
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{
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TQCursor::setPos( x, y );
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}
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void KSnapshot::exit()
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{
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reject();
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}
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#include "ksnapshot.moc"
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