C++ ImageWindow::close方法代码示例

// prints the selected files in the filebrowser
void KuickShow::slotPrint()
{
    const KFileItemList *items = fileWidget->selectedItems();
    if ( !items )
        return;

    KFileItemListIterator it( *items );

    // don't show the image, just print
    ImageWindow *iw = new ImageWindow( 0, id, this, "printing image" );
    KFileItem *item;
    while ( (item = it.current()) ) {
        if (FileWidget::isImage( item ) && iw->loadImage( item->url() ))
            iw->printImage();
        ++it;
    }

    iw->close( true );
}

//.........这里部分代码省略.........
                }

                return KMainWindow::eventFilter( o, e );
            }

            // we definitely have a fileWidget here!

            KKey kkey( k );
            if ( key == Key_Home || KStdAccel::home().contains( kkey ) )
            {
                item = fileWidget->gotoFirstImage();
                item_next = fileWidget->getNext( false );
            }

            else if ( key == Key_End || KStdAccel::end().contains( kkey ) )
            {
                item = fileWidget->gotoLastImage();
                item_next = fileWidget->getPrevious( false );
            }

            else if ( fileWidget->actionCollection()->action("delete")->shortcut().contains( key ))
            {
                kdDebug() << "WOW, deletion happens here!" << endl;
//      KFileItem *cur = fileWidget->getCurrentItem( false );
                (void) fileWidget->getCurrentItem( false );
                item = fileWidget->getNext( false ); // don't move
                if ( !item )
                    item = fileWidget->getPrevious( false );
                KFileItem it( KFileItem::Unknown, KFileItem::Unknown,
                              m_viewer->url() );
                KFileItemList list;
                list.append( &it );
                if ( fileWidget->del(list, window,
                                     (k->state() & ShiftButton) == 0) == 0L )
                    return true; // aborted deletion

                // ### check failure asynchronously and restore old item?
                fileWidget->setCurrentItem( item );
            }

            else if ( m_toggleBrowserAction->shortcut().contains( key ) )
            {
                toggleBrowser();
                return true; // don't pass keyEvent
            }

            else
                ret = false;


            if ( FileWidget::isImage( item ) ) {
//                QString filename;
//                KIO::NetAccess::download(item->url(), filename, this);
                m_viewer->showNextImage( item->url() );

                if ( kdata->preloadImage && item_next ) { // preload next image
                    if ( FileWidget::isImage( item_next ) )
                        m_viewer->cacheImage( item_next->url() );
                }

                ret = true; // don't pass keyEvent
            }
        } // keyPressEvent on ImageWindow


        // doubleclick closes image window
        // and shows browser when last window closed via doubleclick
        else if ( eventType == QEvent::MouseButtonDblClick )
        {
            QMouseEvent *ev = static_cast<QMouseEvent*>( e );
            if ( ev->button() == LeftButton )
            {
                if ( s_viewers.count() == 1 )
                {
                    if ( !fileWidget )
                    {
//                        KURL start;
//                        QFileInfo fi( window->filename() );
//                        start.setPath( fi.dirPath( true ) );
                        initGUI( window->currentFile()->url().fileName() );
                    }
                    show();
                    raise();
                }

                window->close( true );

                ev->accept();
                ret = true;
            }
        }

    } // isA ImageWindow


    if ( ret )
        return true;

    return KMainWindow::eventFilter( o, e );
}

bool KuickShow::showImage( const KFileItem *fi,
                           bool newWindow, bool fullscreen, bool moveToTopLeft )
{
    newWindow  |= !m_viewer;
    fullscreen |= (newWindow && kdata->fullScreen);
    if ( FileWidget::isImage( fi ) ) {

        if ( newWindow ) {
            m_viewer = new ImageWindow( kdata->idata, id, 0L, "image window" );
            m_viewer->setFullscreen( fullscreen );
            s_viewers.append( m_viewer );

            connect( m_viewer, SIGNAL( destroyed() ), SLOT( viewerDeleted() ));
            connect( m_viewer, SIGNAL( sigFocusWindow( ImageWindow *) ),
                     this, SLOT( slotSetActiveViewer( ImageWindow * ) ));
            connect( m_viewer, SIGNAL( sigImageError(const KuickFile *, const QString& ) ),
                     this, SLOT( messageCantLoadImage(const KuickFile *, const QString &) ));
            connect( m_viewer, SIGNAL( requestImage( ImageWindow *, int )),
                     this, SLOT( slotAdvanceImage( ImageWindow *, int )));
	    connect( m_viewer, SIGNAL( pauseSlideShowSignal() ),
		     this, SLOT( pauseSlideShow() ) );
            connect( m_viewer, SIGNAL (deleteImage (ImageWindow *)),
                     this, SLOT (slotDeleteCurrentImage (ImageWindow *)));
            connect( m_viewer, SIGNAL (trashImage (ImageWindow *)),
                     this, SLOT (slotTrashCurrentImage (ImageWindow *)));
            if ( s_viewers.count() == 1 && moveToTopLeft ) {
                // we have to move to 0x0 before showing _and_
                // after showing, otherwise we get some bogus geometry()
                m_viewer->move( Kuick::workArea().topLeft() );
            }

            m_viewer->installEventFilter( this );
        }

        // for some strange reason, m_viewer sometimes changes during the
        // next few lines of code, so as a workaround, we use safeViewer here.
        // This happens when calling KuickShow with two or more remote-url
        // arguments on the commandline, where the first one is loaded properly
        // and the second isn't (e.g. because it is a pdf or something else,
        // Imlib can't load).
        ImageWindow *safeViewer = m_viewer;

//        file->waitForDownload( this );
//        QString filename;
//        KIO::NetAccess::download(fi->url(), filename, this);

        if ( !safeViewer->showNextImage( fi->url() ) ) {
            m_viewer = safeViewer;
            safeViewer->close( true ); // couldn't load image, close window
        }
        else {
//            safeViewer->setFullscreen( fullscreen );

            if ( newWindow ) {
//                safeViewer->show();

                if ( !fullscreen && s_viewers.count() == 1 && moveToTopLeft ) {
                    // the WM might have moved us after showing -> strike back!
                    // move the first image to 0x0 workarea coord
                    safeViewer->move( Kuick::workArea().topLeft() );
                }
            }

            if ( kdata->preloadImage && fileWidget ) {
                KFileItem *item = 0L;                 // don't move cursor
                item = fileWidget->getItem( FileWidget::Next, true );
                if ( item )
                    safeViewer->cacheImage( item->url() );
            }

            m_viewer = safeViewer;
	    return true;
        } // m_viewer created successfully
    } // isImage

    return false;
}