Examples with PaintEvent org.eclipse.swt.events.PaintEvent used on opensource projects

Example 91 with PaintEvent

use of org.eclipse.swt.events.PaintEvent in project BiglyBT by BiglySoftware.

the class SBC_LibraryView method skinObjectInitialShow.

// @see SkinView#showSupport(SWTSkinObject, java.lang.Object)
@Override
public Object skinObjectInitialShow(final SWTSkinObject skinObject, Object params) {
    selectedContentListener = new SelectedContentListener() {

        @Override
        public void currentlySelectedContentChanged(ISelectedContent[] currentContent, String viewId) {
            selection_count = currentContent.length;
            long total_size = 0;
            long total_done = 0;
            List<DownloadManager> dms = new ArrayList<>(currentContent.length);
            // doesn't make sense to double count a download's files if it also has its own selection
            Set<DownloadManager> dms_only = new IdentityHashSet<>();
            for (ISelectedContent sc : currentContent) {
                DownloadManager dm = sc.getDownloadManager();
                if (dm != null) {
                    int file_index = sc.getFileIndex();
                    if (file_index == -1) {
                        dms_only.add(dm);
                    }
                }
            }
            for (ISelectedContent sc : currentContent) {
                DownloadManager dm = sc.getDownloadManager();
                if (dm != null) {
                    dms.add(dm);
                    int file_index = sc.getFileIndex();
                    if (file_index == -1) {
                        DiskManagerFileInfo[] file_infos = dm.getDiskManagerFileInfoSet().getFiles();
                        for (DiskManagerFileInfo file_info : file_infos) {
                            if (!file_info.isSkipped()) {
                                total_size += file_info.getLength();
                                total_done += file_info.getDownloaded();
                            }
                        }
                    } else {
                        if (!dms_only.contains(dm)) {
                            DiskManagerFileInfo file_info = dm.getDiskManagerFileInfoSet().getFiles()[file_index];
                            if (!file_info.isSkipped()) {
                                total_size += file_info.getLength();
                                total_done += file_info.getDownloaded();
                            }
                        }
                    }
                }
            }
            selection_size = total_size;
            selection_done = total_done;
            selection_dms = dms.toArray(new DownloadManager[dms.size()]);
            SB_Transfers transfers = MainMDISetup.getSb_transfers();
            if (transfers != null) {
                transfers.triggerCountRefreshListeners();
            }
        }
    };
    SelectedContentManager.addCurrentlySelectedContentListener(selectedContentListener);
    soWait = null;
    try {
        soWait = getSkinObject("library-wait");
        soWaitProgress = getSkinObject("library-wait-progress");
        soWaitTask = (SWTSkinObjectText) getSkinObject("library-wait-task");
        if (soWaitProgress != null) {
            soWaitProgress.getControl().addPaintListener(new PaintListener() {

                @Override
                public void paintControl(PaintEvent e) {
                    assert e != null;
                    Control c = (Control) e.widget;
                    Point size = c.getSize();
                    e.gc.setBackground(ColorCache.getColor(e.display, "#23a7df"));
                    int breakX = size.x * waitProgress / 100;
                    e.gc.fillRectangle(0, 0, breakX, size.y);
                    e.gc.setBackground(ColorCache.getColor(e.display, "#cccccc"));
                    e.gc.fillRectangle(breakX, 0, size.x - breakX, size.y);
                }
            });
        }
        soLibraryInfo = (SWTSkinObjectText) getSkinObject("library-info");
        if (soLibraryInfo != null) {
            MainMDISetup.getSb_transfers().addCountRefreshListener(new SB_Transfers.countRefreshListener() {

                final Map<Composite, ExtraInfoProvider> extra_info_map = new HashMap<>();

                {
                    soLibraryInfo.getControl().getParent().setData("ViewUtils:ViewTitleExtraInfo", new ViewUtils.ViewTitleExtraInfo() {

                        @Override
                        public void setCountProvider(Composite reporter, CountProvider cp) {
                            ExtraInfoProvider provider = getProvider(reporter);
                            if (provider == null) {
                                return;
                            }
                            provider.countProvider = cp;
                        }

                        @Override
                        public void searchUpdate(Composite reporter, int count, int active) {
                            ExtraInfoProvider provider = getProvider(reporter);
                            if (provider == null) {
                                return;
                            }
                            if (provider.value != count || provider.active != active) {
                                provider.value = count;
                                provider.active = active;
                                if (viewMode == provider.view_mode && provider.search_active) {
                                    SB_Transfers xfers = MainMDISetup.getSb_transfers();
                                    if (xfers != null) {
                                        xfers.triggerCountRefreshListeners();
                                    }
                                }
                            }
                        }

                        @Override
                        public void setSearchActive(Composite reporter, boolean active) {
                            ExtraInfoProvider provider = getProvider(reporter);
                            if (provider == null) {
                                return;
                            }
                            if (provider.search_active != active) {
                                provider.search_active = active;
                                if (viewMode == provider.view_mode) {
                                    MainMDISetup.getSb_transfers().triggerCountRefreshListeners();
                                }
                            }
                        }

                        private ExtraInfoProvider getProvider(Composite reporter) {
                            synchronized (extra_info_map) {
                                ExtraInfoProvider provider = extra_info_map.get(reporter);
                                if (provider != null) {
                                    return (provider);
                                }
                                Composite temp = reporter;
                                while (temp != null) {
                                    Integer vm = (Integer) temp.getData("SBC_LibraryView:ViewMode");
                                    if (vm != null) {
                                        provider = new ExtraInfoProvider(vm);
                                        extra_info_map.put(reporter, provider);
                                        return (provider);
                                    }
                                    temp = temp.getParent();
                                }
                                Debug.out("No view mode found for " + reporter);
                                return (null);
                            }
                        }
                    });
                }

                // @see SBC_LibraryView.countRefreshListener#countRefreshed(SBC_LibraryView.stats, SBC_LibraryView.stats)
                @Override
                public void countRefreshed(SB_Transfers.stats statsWithLowNoise, SB_Transfers.stats statsNoLowNoise) {
                    SB_Transfers.stats stats = viewMode == MODE_SMALLTABLE ? statsWithLowNoise : statsNoLowNoise;
                    String s;
                    List<ViewUtils.ViewTitleExtraInfo.CountProvider> count_provs = new ArrayList<>();
                    int filter_total = 0;
                    int filter_active = 0;
                    boolean filter_enabled = false;
                    synchronized (extra_info_map) {
                        for (ExtraInfoProvider provider : extra_info_map.values()) {
                            if (viewMode == provider.view_mode) {
                                if (provider.search_active) {
                                    filter_enabled = true;
                                    filter_total += provider.value;
                                    filter_active += provider.active;
                                }
                                ViewUtils.ViewTitleExtraInfo.CountProvider cp = provider.countProvider;
                                if (cp != null) {
                                    count_provs.add(cp);
                                }
                            }
                        }
                    }
                    int extra_total = 0;
                    int extra_active = 0;
                    int extra_queued = 0;
                    for (ViewUtils.ViewTitleExtraInfo.CountProvider cp : count_provs) {
                        int[] counts = cp.getCounts();
                        extra_total += counts[0];
                        extra_active += counts[1];
                        extra_queued += counts[2];
                    }
                    String extra_search = null;
                    if (filter_enabled) {
                        extra_search = MessageText.getString("filter.header.matches2", new String[] { String.valueOf(filter_total), String.valueOf(filter_active) });
                    }
                    if (torrentFilterMode == TORRENTS_ALL || (datasource instanceof Tag)) {
                        boolean addExtra = false;
                        if (datasource instanceof Category) {
                            Category cat = (Category) datasource;
                            String id = "library.category.header";
                            s = MessageText.getString(id, new String[] { (cat.getType() != Category.TYPE_USER) ? MessageText.getString(cat.getName()) : cat.getName() });
                            addExtra = true;
                        } else if (datasource instanceof Tag) {
                            Tag tag = (Tag) datasource;
                            String id = "library.tag.header";
                            s = MessageText.getString(id, new String[] { tag.getTagName(true) });
                            String desc = tag.getDescription();
                            if (desc != null) {
                                s += " - " + desc;
                            }
                            addExtra = true;
                        } else if (datasource instanceof TagGroup) {
                            String id = "library.taggroup.header";
                            TagGroup tg = (TagGroup) datasource;
                            s = MessageText.getString(id, new String[] { tg.getName(), String.valueOf(tg.getTags().size()) });
                            addExtra = true;
                        } else {
                            String id = "library.all.header";
                            if (stats.numComplete + stats.numIncomplete != 1) {
                                id += ".p";
                            }
                            s = MessageText.getString(id, new String[] { String.valueOf(stats.numComplete + stats.numIncomplete), String.valueOf(stats.numSeeding + stats.numDownloading) });
                            if (stats.numQueued > 0) {
                                s += ", " + MessageText.getString("label.num_queued", new String[] { String.valueOf(stats.numQueued) });
                            }
                        }
                        if (addExtra) {
                            String id = "library.all.header";
                            if (extra_total != 1) {
                                id += ".p";
                            }
                            s += " - " + MessageText.getString(id, new String[] { String.valueOf(extra_total), String.valueOf(extra_active) });
                            if (extra_queued > 0) {
                                s += ", " + MessageText.getString("label.num_queued", new String[] { String.valueOf(extra_queued) });
                            }
                        }
                    } else if (torrentFilterMode == TORRENTS_INCOMPLETE) {
                        String id = "library.incomplete.header";
                        if (stats.numDownloading != 1) {
                            id += ".p";
                        }
                        int numWaiting = Math.max(stats.numIncomplete - stats.numDownloading, 0);
                        s = MessageText.getString(id, new String[] { String.valueOf(stats.numDownloading), String.valueOf(numWaiting) });
                    } else if (torrentFilterMode == TORRENTS_UNOPENED || torrentFilterMode == TORRENTS_COMPLETE) {
                        // complete filtering currently uses same display text as unopened
                        String id = "library.unopened.header";
                        if (stats.numUnOpened != 1) {
                            id += ".p";
                        }
                        s = MessageText.getString(id, new String[] { String.valueOf(stats.numUnOpened) });
                    } else {
                        s = "";
                    }
                    if (extra_search != null) {
                        s += " " + extra_search;
                    }
                    SB_Transfers transfers = MainMDISetup.getSb_transfers();
                    if (selection_count > 1) {
                        s += ", " + MessageText.getString("label.num_selected", new String[] { String.valueOf(selection_count) });
                        String size_str = null;
                        String rate_str = null;
                        if (selection_size > 0) {
                            if (selection_size == selection_done) {
                                size_str = DisplayFormatters.formatByteCountToKiBEtc(selection_size);
                            } else {
                                size_str = DisplayFormatters.formatByteCountToKiBEtc(selection_done) + "/" + DisplayFormatters.formatByteCountToKiBEtc(selection_size);
                            }
                        }
                        DownloadManager[] dms = selection_dms;
                        if (transfers.header_show_rates && dms.length > 1) {
                            long total_data_up = 0;
                            long total_prot_up = 0;
                            long total_data_down = 0;
                            long total_prot_down = 0;
                            for (DownloadManager dm : dms) {
                                DownloadManagerStats dm_stats = dm.getStats();
                                total_prot_up += dm_stats.getProtocolSendRate();
                                total_data_up += dm_stats.getDataSendRate();
                                total_prot_down += dm_stats.getProtocolReceiveRate();
                                total_data_down += dm_stats.getDataReceiveRate();
                            }
                            rate_str = MessageText.getString("ConfigView.download.abbreviated") + DisplayFormatters.formatDataProtByteCountToKiBEtcPerSec(total_data_down, total_prot_down) + " " + MessageText.getString("ConfigView.upload.abbreviated") + DisplayFormatters.formatDataProtByteCountToKiBEtcPerSec(total_data_up, total_prot_up);
                        }
                        if (size_str != null || rate_str != null) {
                            String temp;
                            if (size_str == null) {
                                temp = rate_str;
                            } else if (rate_str == null) {
                                temp = size_str;
                            } else {
                                temp = size_str + "; " + rate_str;
                            }
                            s += " (" + temp + ")";
                        }
                    }
                    if (transfers.header_show_uptime && transfers.totalStats != null) {
                        long up_secs = (transfers.totalStats.getSessionUpTime() / 60) * 60;
                        String op;
                        if (up_secs < 60) {
                            up_secs = 60;
                            op = "<";
                        } else {
                            op = " ";
                        }
                        String up_str = TimeFormatter.format2(up_secs, false);
                        if (s.equals("")) {
                            Debug.out("eh");
                        }
                        s += "; " + MessageText.getString("label.uptime_coarse", new String[] { op, up_str });
                    }
                    soLibraryInfo.setText(s);
                }

                class ExtraInfoProvider {

                    int view_mode;

                    ViewUtils.ViewTitleExtraInfo.CountProvider countProvider;

                    boolean search_active;

                    int value;

                    int active;

                    private ExtraInfoProvider(int vm) {
                        view_mode = vm;
                    }
                }
            });
        }
    } catch (Exception ignored) {
    }
    // Core core = CoreFactory.getSingleton();
    if (!CoreFactory.isCoreRunning()) {
        if (soWait != null) {
            soWait.setVisible(true);
        // soWait.getControl().getParent().getParent().getParent().layout(true, true);
        }
        final Initializer initializer = Initializer.getLastInitializer();
        if (initializer != null) {
            initializer.addListener(new InitializerListener() {

                @Override
                public void reportPercent(final int percent) {
                    Utils.execSWTThread(new AERunnable() {

                        @Override
                        public void runSupport() {
                            if (soWaitProgress != null && !soWaitProgress.isDisposed()) {
                                waitProgress = percent;
                                soWaitProgress.getControl().redraw();
                                soWaitProgress.getControl().update();
                            }
                        }
                    });
                    if (percent > 100) {
                        initializer.removeListener(this);
                    }
                }

                @Override
                public void reportCurrentTask(String currentTask) {
                    if (soWaitTask != null && !soWaitTask.isDisposed()) {
                        soWaitTask.setText(currentTask);
                    }
                }
            });
        }
    }
    CoreFactory.addCoreRunningListener(new CoreRunningListener() {

        @Override
        public void coreRunning(final Core core) {
            PluginInterface pi = PluginInitializer.getDefaultInterface();
            final UIManager uim = pi.getUIManager();
            uim.addUIListener(new UIManagerListener() {

                @Override
                public void UIDetached(UIInstance instance) {
                }

                @Override
                public void UIAttached(UIInstance instance) {
                    if (instance instanceof UISWTInstance) {
                        uim.removeUIListener(this);
                        Utils.execSWTThread(new AERunnable() {

                            @Override
                            public void runSupport() {
                                if (soWait != null) {
                                    soWait.setVisible(false);
                                }
                                if (!skinObject.isDisposed()) {
                                    setupView(core, skinObject);
                                }
                            }
                        });
                    }
                }
            });
        }
    });
    return null;
}

Example 92 with PaintEvent

use of org.eclipse.swt.events.PaintEvent in project BiglyBT by BiglySoftware.

the class PeerInfoView method createPeerInfoPanel.

private Composite createPeerInfoPanel(Composite parent) {
    GridLayout layout;
    GridData gridData;
    // Peer Info section contains
    // - Peer's Block display
    // - Peer's Datarate
    peerInfoComposite = new Composite(parent, SWT.NONE);
    layout = new GridLayout();
    layout.numColumns = 2;
    layout.horizontalSpacing = 0;
    layout.verticalSpacing = 0;
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    peerInfoComposite.setLayout(layout);
    gridData = new GridData(GridData.FILL, GridData.FILL, true, true);
    peerInfoComposite.setLayoutData(gridData);
    imageLabel = new Label(peerInfoComposite, SWT.NULL);
    gridData = new GridData();
    if (ImageRepository.hasCountryFlags(false) || countryLocator != null)
        gridData.widthHint = 28;
    imageLabel.setLayoutData(gridData);
    topLabel = new Label(peerInfoComposite, SWT.NULL);
    gridData = new GridData(SWT.FILL, SWT.DEFAULT, false, false);
    topLabel.setLayoutData(gridData);
    sc = new ScrolledComposite(peerInfoComposite, SWT.V_SCROLL);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    layout = new GridLayout();
    layout.horizontalSpacing = 0;
    layout.verticalSpacing = 0;
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    sc.setLayout(layout);
    gridData = new GridData(GridData.FILL, GridData.FILL, true, true, 2, 1);
    sc.setLayoutData(gridData);
    sc.getVerticalBar().setIncrement(BLOCK_SIZE);
    peerInfoCanvas = new Canvas(sc, SWT.NO_REDRAW_RESIZE | SWT.NO_BACKGROUND);
    gridData = new GridData(GridData.FILL, SWT.DEFAULT, true, false);
    peerInfoCanvas.setLayoutData(gridData);
    peerInfoCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent e) {
            if (e.width <= 0 || e.height <= 0)
                return;
            try {
                Rectangle bounds = (img == null) ? null : img.getBounds();
                if (bounds == null) {
                    e.gc.fillRectangle(e.x, e.y, e.width, e.height);
                } else {
                    if (e.x + e.width > bounds.width)
                        e.gc.fillRectangle(bounds.width, e.y, e.x + e.width - bounds.width + 1, e.height);
                    if (e.y + e.height > bounds.height)
                        e.gc.fillRectangle(e.x, bounds.height, e.width, e.y + e.height - bounds.height + 1);
                    int width = Math.min(e.width, bounds.width - e.x);
                    int height = Math.min(e.height, bounds.height - e.y);
                    e.gc.drawImage(img, e.x, e.y, width, height, e.x, e.y, width, height);
                }
            } catch (Exception ex) {
            }
        }
    });
    Listener doNothingListener = new Listener() {

        @Override
        public void handleEvent(Event event) {
        }
    };
    peerInfoCanvas.addListener(SWT.KeyDown, doNothingListener);
    peerInfoCanvas.addListener(SWT.Resize, new Listener() {

        @Override
        public void handleEvent(Event e) {
            if (refreshInfoCanvasQueued || !peerInfoCanvas.isVisible()) {
                return;
            }
            // wrap in asyncexec because sc.setMinWidth (called later) doesn't work
            // too well inside a resize (the canvas won't size isn't always updated)
            Utils.execSWTThreadLater(100, new AERunnable() {

                @Override
                public void runSupport() {
                    if (refreshInfoCanvasQueued) {
                        return;
                    }
                    refreshInfoCanvasQueued = true;
                    if (img != null) {
                        int iOldColCount = img.getBounds().width / BLOCK_SIZE;
                        int iNewColCount = peerInfoCanvas.getClientArea().width / BLOCK_SIZE;
                        if (iOldColCount != iNewColCount)
                            refreshInfoCanvas();
                    }
                }
            });
        }
    });
    sc.setContent(peerInfoCanvas);
    Legend.createLegendComposite(peerInfoComposite, blockColors, new String[] { "PeersView.BlockView.Avail.Have", "PeersView.BlockView.Avail.NoHave", "PeersView.BlockView.NoAvail.Have", "PeersView.BlockView.NoAvail.NoHave", "PeersView.BlockView.Transfer", "PeersView.BlockView.NextRequest", "PeersView.BlockView.AvailCount" }, new GridData(SWT.FILL, SWT.DEFAULT, true, false, 2, 1));
    font = FontUtils.getFontPercentOf(peerInfoCanvas.getFont(), 0.7f);
    return peerInfoComposite;
}

Example 93 with PaintEvent

use of org.eclipse.swt.events.PaintEvent in project BiglyBT by BiglySoftware.

the class PingGraphic method initialize.

@Override
public void initialize(Canvas canvas) {
    super.initialize(canvas);
    drawCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent e) {
            if (bufferImage != null && !bufferImage.isDisposed()) {
                Rectangle bounds = bufferImage.getBounds();
                if (bounds.width >= (e.width + e.x) && bounds.height >= (e.height + e.y)) {
                    e.gc.drawImage(bufferImage, e.x, e.y, e.width, e.height, e.x, e.y, e.width, e.height);
                }
            }
        }
    });
    drawCanvas.addListener(SWT.Resize, new Listener() {

        @Override
        public void handleEvent(Event event) {
            drawChart(true);
        }
    });
}

Example 94 with PaintEvent

use of org.eclipse.swt.events.PaintEvent in project BiglyBT by BiglySoftware.

the class SpeedGraphic method initialize.

@Override
public void initialize(Canvas canvas) {
    super.initialize(canvas);
    drawCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent e) {
            if (bufferImage != null && !bufferImage.isDisposed()) {
                Rectangle bounds = bufferImage.getBounds();
                if (bounds.width >= (e.width + e.x) && bounds.height >= (e.height + e.y)) {
                    e.gc.drawImage(bufferImage, e.x, e.y, e.width, e.height, e.x, e.y, e.width, e.height);
                }
            }
        }
    });
    drawCanvas.addListener(SWT.Resize, new Listener() {

        @Override
        public void handleEvent(Event event) {
            drawChart(true);
        }
    });
}

Example 95 with PaintEvent

use of org.eclipse.swt.events.PaintEvent in project BiglyBT by BiglySoftware.

the class PeersGraphicView method initialize.

protected void initialize(Composite composite) {
    display = composite.getDisplay();
    canvas = new Canvas(composite, SWT.NO_BACKGROUND);
    canvas.addListener(SWT.MouseHover, new Listener() {

        @Override
        public void handleEvent(Event event) {
            int x = event.x;
            int y = event.y;
            String tt = "";
            synchronized (dm_data_lock) {
                for (ManagerData data : dm_data) {
                    DownloadManager manager = data.manager;
                    if (x >= data.me_hit_x && x <= data.me_hit_x + OWN_SIZE && y >= data.me_hit_y && y <= data.me_hit_y + OWN_SIZE) {
                        if (always_show_dm_name || dm_data.length > 1) {
                            tt = manager.getDisplayName() + "\r\n";
                        }
                        tt += DisplayFormatters.formatDownloadStatus(manager) + ", " + DisplayFormatters.formatPercentFromThousands(manager.getStats().getCompleted());
                        break;
                    } else {
                        PEPeer target = null;
                        for (Map.Entry<PEPeer, int[]> entry : data.peer_hit_map.entrySet()) {
                            int[] loc = entry.getValue();
                            int loc_x = loc[0];
                            int loc_y = loc[1];
                            if (x >= loc_x && x <= loc_x + PEER_SIZE && y >= loc_y && y <= loc_y + PEER_SIZE) {
                                target = entry.getKey();
                                break;
                            }
                        }
                        if (target != null) {
                            PEPeerStats stats = target.getStats();
                            String[] details = PeerUtils.getCountryDetails(target);
                            String dstr = (details == null || details.length < 2) ? "" : (" - " + details[0] + "/" + details[1]);
                            /*
							if ( dm_map.size() > 1 ){

								tt = manager.getDisplayName() + "\r\n";
							}
							*/
                            tt = target.getIp() + dstr + ", " + DisplayFormatters.formatPercentFromThousands(target.getPercentDoneInThousandNotation()) + "\r\n" + "Up=" + DisplayFormatters.formatByteCountToKiBEtcPerSec(stats.getDataSendRate() + stats.getProtocolSendRate()) + ", " + "Down=" + DisplayFormatters.formatByteCountToKiBEtcPerSec(stats.getDataReceiveRate() + stats.getProtocolReceiveRate());
                            break;
                        }
                    }
                }
            }
            Utils.setTT(canvas, tt);
        }
    });
    canvas.addMouseListener(new MouseAdapter() {

        @Override
        public void mouseUp(MouseEvent event) {
            if (event.button == 3) {
                int x = event.x;
                int y = event.y;
                PEPeer target = null;
                DownloadManager target_manager = null;
                synchronized (dm_data_lock) {
                    for (ManagerData data : dm_data) {
                        DownloadManager manager = data.manager;
                        for (Map.Entry<PEPeer, int[]> entry : data.peer_hit_map.entrySet()) {
                            int[] loc = entry.getValue();
                            int loc_x = loc[0];
                            int loc_y = loc[1];
                            if (x >= loc_x && x <= loc_x + PEER_SIZE && y >= loc_y && y <= loc_y + PEER_SIZE) {
                                target = entry.getKey();
                                target_manager = manager;
                                break;
                            }
                        }
                        if (target != null) {
                            break;
                        }
                    }
                }
                if (target == null) {
                    return;
                }
                Menu menu = canvas.getMenu();
                if (menu != null && !menu.isDisposed()) {
                    menu.dispose();
                }
                menu = new Menu(canvas);
                PeersViewBase.fillMenu(menu, target, target_manager);
                final Point cursorLocation = Display.getCurrent().getCursorLocation();
                menu.setLocation(cursorLocation.x, cursorLocation.y);
                menu.setVisible(true);
            }
        }

        @Override
        public void mouseDoubleClick(MouseEvent event) {
            int x = event.x;
            int y = event.y;
            synchronized (dm_data_lock) {
                for (ManagerData data : dm_data) {
                    DownloadManager manager = data.manager;
                    if (x >= data.me_hit_x && x <= data.me_hit_x + OWN_SIZE && y >= data.me_hit_y && y <= data.me_hit_y + OWN_SIZE) {
                        UIFunctions uiFunctions = UIFunctionsManager.getUIFunctions();
                        if (uiFunctions != null) {
                            uiFunctions.getMDI().showEntryByID(MultipleDocumentInterface.SIDEBAR_SECTION_TORRENT_DETAILS, manager);
                        }
                    } else {
                        for (Map.Entry<PEPeer, int[]> entry : data.peer_hit_map.entrySet()) {
                            int[] loc = entry.getValue();
                            int loc_x = loc[0];
                            int loc_y = loc[1];
                            if (x >= loc_x && x <= loc_x + PEER_SIZE && y >= loc_y && y <= loc_y + PEER_SIZE) {
                                PEPeer target = entry.getKey();
                                try {
                                    MdiEntry mdi_entry = UIFunctionsManager.getUIFunctions().getMDI().getEntry(MultipleDocumentInterface.SIDEBAR_SECTION_TORRENT_DETAILS, manager);
                                    if (mdi_entry != null) {
                                        mdi_entry.setDatasource(new Object[] { manager });
                                    }
                                    Composite comp = canvas.getParent();
                                    while (comp != null) {
                                        if (comp instanceof CTabFolder) {
                                            CTabFolder tf = (CTabFolder) comp;
                                            CTabItem[] items = tf.getItems();
                                            for (CTabItem item : items) {
                                                UISWTViewCore view = (UISWTViewCore) item.getData("TabbedEntry");
                                                UISWTViewEventListener listener = view.getEventListener();
                                                if (listener instanceof PeersView) {
                                                    tf.setSelection(item);
                                                    Event ev = new Event();
                                                    ev.item = item;
                                                    // manual setSelection doesn't file selection event - derp
                                                    tf.notifyListeners(SWT.Selection, ev);
                                                    ((PeersView) listener).selectPeer(target);
                                                    return;
                                                }
                                            }
                                        }
                                        comp = comp.getParent();
                                    }
                                } catch (Throwable e) {
                                }
                                break;
                            }
                        }
                    }
                }
            }
        }
    });
    // without this we get a transient blank when mousing in and out of the tab folder on OSX :(
    canvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent e) {
            if (img != null && !img.isDisposed()) {
                Rectangle bounds = img.getBounds();
                if (bounds.width >= (e.width + e.x) && bounds.height >= (e.height + e.y)) {
                    e.gc.drawImage(img, e.x, e.y, e.width, e.height, e.x, e.y, e.width, e.height);
                }
            } else {
                e.gc.fillRectangle(e.x, e.y, e.width, e.height);
            }
        }
    });
    canvas.addListener(SWT.Dispose, (ev) -> {
        if (img != null && !img.isDisposed()) {
            img.dispose();
            img = null;
        }
    });
}