Examples with ScrollBar org.eclipse.swt.widgets.ScrollBar used on opensource projects

Example 11 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project tdi-studio-se by Talend.

the class UIManager method convertPointToReferenceOrigin.

public Point convertPointToReferenceOrigin(final Composite referenceComposite, Point point, Composite child) {
    Point returnedPoint = new Point(point.x, point.y);
    while (child != referenceComposite) {
        Rectangle bounds = child.getBounds();
        child = child.getParent();
        ScrollBar vScrollBar = child.getVerticalBar();
        if (vScrollBar != null) {
            returnedPoint.y += vScrollBar.getSelection();
        }
        returnedPoint.x += bounds.x;
        returnedPoint.y += bounds.y;
    }
    return returnedPoint;
}

Example 12 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project tdi-studio-se by Talend.

the class MetadataTableEditorViewExt method addHorizontalBarListener.

private void addHorizontalBarListener() {
    final ScrollBar horizontalBar = getTable().getHorizontalBar();
    horizontalBar.addSelectionListener(new SelectionAdapter() {

        /*
             * (non-Java)
             * 
             * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
             */
        @Override
        public void widgetSelected(SelectionEvent e) {
            // if (e.detail == SWT.DRAG) {
            int shift = horizontalBar.getSelection();
            attachLabelPosition(shift);
        // }
        }
    });
}

Example 13 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project tdi-studio-se by Talend.

the class DefaultDropTargetListener method autoScroll.

private void autoScroll(DropTargetEvent event) {
    Composite currentComposite = null;
    Object source = event.getSource();
    if (source instanceof DropTarget) {
        Control control = ((DropTarget) source).getControl();
        if (control instanceof Composite) {
            currentComposite = (Composite) control;
        }
    }
    if (currentComposite == null) {
        return;
    }
    ScrolledComposite parentScrolledComposite = getParentScrolledComposite(currentComposite);
    if (parentScrolledComposite == null) {
        return;
    }
    ScrollBar vBar = parentScrolledComposite.getVerticalBar();
    Control content = parentScrolledComposite.getContent();
    if (content != null) {
        Point location = content.getLocation();
        int vSelection = vBar.getSelection();
        int increment = 0;
        int thumb = vBar.getThumb();
        if (lastCursorPosition == null || lastCursorPosition.y == event.y) {
            long currentTimeMillis = System.currentTimeMillis();
            long time = currentTimeMillis - lastDragTime;
            if (lastDragTime != 0 && time > 100) {
                Point pointToScrollComposite = parentScrolledComposite.toControl(event.x, event.y);
                // scroll up
                if (pointToScrollComposite.y < 40) {
                    increment = -20;
                } else // scroll down
                if (thumb - pointToScrollComposite.y < 40) {
                    increment = 20;
                } else {
                    return;
                }
            } else {
                return;
            }
        } else {
            increment = event.y - lastCursorPosition.y;
            if (increment > 0) {
                increment = increment + 3;
            } else {
                increment = increment - 3;
            }
        }
        if (vSelection >= 0 && vSelection + increment > 0 && vSelection + increment < vBar.getMaximum()) {
            vBar.setSelection(vSelection + increment);
        }
        content.setLocation(location.x, -vSelection);
        mapperManager.getUiManager().refreshBackground(true, false);
        lastDragTime = System.currentTimeMillis();
    }
// Event e = new Event();
// e.data = event.data;
// e.x = event.x;
// e.y = event.y;
// e.detail = event.detail;
// e.item = event.item;
// e.count = event.y > lastCursorPosition.y ? 1 : 0;
// e.display = event.display;
// e.widget = event.widget;
// if (parentScrolledComposite != null) {
// parentScrolledComposite.notifyListeners(SWT.MouseWheel, e);
// }
}

Example 14 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project linuxtools by eclipse.

the class AbstractSTViewer method saveState.

/**
 * Used to save the state of the viewer before its disposal
 */
public void saveState() {
    if (viewerSettings == null) {
        viewerSettings = getDialogSettings().getSection(STDataViewersSettings.TAG_SECTION_VIEWER_STATE);
    }
    if (viewerSettings == null) {
        viewerSettings = getDialogSettings().addNewSection(STDataViewersSettings.TAG_SECTION_VIEWER_STATE);
    }
    // save column order
    int[] columnOrder = getColumnOrder();
    String[] columnOrderStrings = new String[columnOrder.length];
    for (int i = 0; i < columnOrder.length; i++) {
        columnOrderStrings[i] = columnOrder[i] + "";
    }
    viewerSettings.put(STDataViewersSettings.TAG_VIEWER_STATE_COLUMN_ORDER, columnOrderStrings);
    // save hide show manager
    if (getHideShowManager() != null) {
        getHideShowManager().saveState(viewerSettings);
    }
    // save sort
    if (getTableSorter() != null) {
        getTableSorter().saveState(viewerSettings);
    }
    // save vertical position
    Scrollable scrollable = (Scrollable) viewer.getControl();
    ScrollBar bar = scrollable.getVerticalBar();
    int position = (bar != null) ? bar.getSelection() : 0;
    viewerSettings.put(STDataViewersSettings.TAG_VIEWER_STATE_VERTICAL_POSITION, position);
    // save horizontal position
    bar = scrollable.getHorizontalBar();
    position = (bar != null) ? bar.getSelection() : 0;
    viewerSettings.put(STDataViewersSettings.TAG_VIEWER_STATE_HORIZONTAL_POSITION, position);
}

Example 15 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project eclipse.platform.swt by eclipse.

the class ImageAnalyzer method createWidgets.

void createWidgets() {
    // Add the widgets to the shell in a grid layout.
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.numColumns = 2;
    shell.setLayout(layout);
    // Add a composite to contain some control widgets across the top.
    Composite controls = new Composite(shell, SWT.NONE);
    RowLayout rowLayout = new RowLayout();
    rowLayout.marginTop = 5;
    rowLayout.marginBottom = 5;
    rowLayout.spacing = 8;
    controls.setLayout(rowLayout);
    GridData gridData = new GridData();
    gridData.horizontalSpan = 2;
    controls.setLayoutData(gridData);
    // Combo to change the background.
    Group group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Background"));
    backgroundCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    backgroundCombo.setItems(bundle.getString("None"), bundle.getString("White"), bundle.getString("Black"), bundle.getString("Red"), bundle.getString("Green"), bundle.getString("Blue"));
    backgroundCombo.select(backgroundCombo.indexOf(bundle.getString("White")));
    backgroundCombo.addSelectionListener(widgetSelectedAdapter(event -> changeBackground()));
    // Combo to change the compression ratio.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new GridLayout(3, true));
    group.setText(bundle.getString("Save_group"));
    imageTypeCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    String[] types = { "JPEG", "PNG", "GIF", "ICO", "TIFF", "BMP" };
    for (String type : types) {
        imageTypeCombo.add(type);
    }
    imageTypeCombo.select(imageTypeCombo.indexOf("JPEG"));
    imageTypeCombo.addSelectionListener(widgetSelectedAdapter(event -> {
        int index = imageTypeCombo.getSelectionIndex();
        switch(index) {
            case 0:
                compressionCombo.setEnabled(true);
                compressionRatioLabel.setEnabled(true);
                if (compressionCombo.getItemCount() == 100)
                    break;
                compressionCombo.removeAll();
                for (int i = 0; i < 100; i++) {
                    compressionCombo.add(String.valueOf(i + 1));
                }
                compressionCombo.select(compressionCombo.indexOf("75"));
                break;
            case 1:
                compressionCombo.setEnabled(true);
                compressionRatioLabel.setEnabled(true);
                if (compressionCombo.getItemCount() == 10)
                    break;
                compressionCombo.removeAll();
                for (int i = 0; i < 4; i++) {
                    compressionCombo.add(String.valueOf(i));
                }
                compressionCombo.select(0);
                break;
            case 2:
            case 3:
            case 4:
            case 5:
                compressionCombo.setEnabled(false);
                compressionRatioLabel.setEnabled(false);
                break;
        }
    }));
    imageTypeCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    compressionRatioLabel = new Label(group, SWT.NONE);
    compressionRatioLabel.setText(bundle.getString("Compression"));
    compressionRatioLabel.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));
    compressionCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    for (int i = 0; i < 100; i++) {
        compressionCombo.add(String.valueOf(i + 1));
    }
    compressionCombo.select(compressionCombo.indexOf("75"));
    compressionCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    // Combo to change the x scale.
    String[] values = { "0.1", "0.2", "0.3", "0.4", "0.5", "0.6", "0.7", "0.8", "0.9", "1", "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "1.9", "2", "3", "4", "5", "6", "7", "8", "9", "10" };
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("X_scale"));
    scaleXCombo = new Combo(group, SWT.DROP_DOWN);
    for (String value : values) {
        scaleXCombo.add(value);
    }
    scaleXCombo.select(scaleXCombo.indexOf("1"));
    scaleXCombo.addSelectionListener(widgetSelectedAdapter(event -> scaleX()));
    // Combo to change the y scale.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Y_scale"));
    scaleYCombo = new Combo(group, SWT.DROP_DOWN);
    for (String value : values) {
        scaleYCombo.add(value);
    }
    scaleYCombo.select(scaleYCombo.indexOf("1"));
    scaleYCombo.addSelectionListener(widgetSelectedAdapter(event -> scaleY()));
    // Combo to change the alpha value.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Alpha_K"));
    alphaCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    for (int i = 0; i <= 255; i += 5) {
        alphaCombo.add(String.valueOf(i));
    }
    alphaCombo.select(alphaCombo.indexOf("255"));
    alphaCombo.addSelectionListener(widgetSelectedAdapter(event -> alpha()));
    // Check box to request incremental display.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Display"));
    incrementalCheck = new Button(group, SWT.CHECK);
    incrementalCheck.setText(bundle.getString("Incremental"));
    incrementalCheck.setSelection(incremental);
    incrementalCheck.addSelectionListener(widgetSelectedAdapter(event -> incremental = ((Button) event.widget).getSelection()));
    // Check box to request transparent display.
    transparentCheck = new Button(group, SWT.CHECK);
    transparentCheck.setText(bundle.getString("Transparent"));
    transparentCheck.setSelection(transparent);
    transparentCheck.addSelectionListener(widgetSelectedAdapter(event -> {
        transparent = ((Button) event.widget).getSelection();
        if (image != null) {
            imageCanvas.redraw();
        }
    }));
    // Check box to request mask display.
    maskCheck = new Button(group, SWT.CHECK);
    maskCheck.setText(bundle.getString("Mask"));
    maskCheck.setSelection(showMask);
    maskCheck.addSelectionListener(widgetSelectedAdapter(event -> {
        showMask = ((Button) event.widget).getSelection();
        if (image != null) {
            imageCanvas.redraw();
        }
    }));
    // Check box to request background display.
    backgroundCheck = new Button(group, SWT.CHECK);
    backgroundCheck.setText(bundle.getString("Background"));
    backgroundCheck.setSelection(showBackground);
    backgroundCheck.addSelectionListener(widgetSelectedAdapter(event -> showBackground = ((Button) event.widget).getSelection()));
    // Group the animation buttons.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Animation"));
    // Push button to display the previous image in a multi-image file.
    previousButton = new Button(group, SWT.PUSH);
    previousButton.setText(bundle.getString("Previous"));
    previousButton.setEnabled(false);
    previousButton.addSelectionListener(widgetSelectedAdapter(event -> previous()));
    // Push button to display the next image in a multi-image file.
    nextButton = new Button(group, SWT.PUSH);
    nextButton.setText(bundle.getString("Next"));
    nextButton.setEnabled(false);
    nextButton.addSelectionListener(widgetSelectedAdapter(event -> next()));
    // Push button to toggle animation of a multi-image file.
    animateButton = new Button(group, SWT.PUSH);
    animateButton.setText(bundle.getString("Animate"));
    animateButton.setEnabled(false);
    animateButton.addSelectionListener(widgetSelectedAdapter(event -> animate()));
    // Label to show the image file type.
    typeLabel = new Label(shell, SWT.NONE);
    typeLabel.setText(bundle.getString("Type_initial"));
    typeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Canvas to show the image.
    imageCanvas = new Canvas(shell, SWT.V_SCROLL | SWT.H_SCROLL | SWT.NO_REDRAW_RESIZE | SWT.NO_BACKGROUND);
    imageCanvas.setBackground(whiteColor);
    imageCanvas.setCursor(crossCursor);
    gridData = new GridData();
    gridData.verticalSpan = 15;
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    imageCanvas.setLayoutData(gridData);
    imageCanvas.addPaintListener(event -> {
        if (image == null) {
            Rectangle bounds = imageCanvas.getBounds();
            event.gc.fillRectangle(0, 0, bounds.width, bounds.height);
        } else {
            paintImage(event);
        }
    });
    imageCanvas.addMouseMoveListener(event -> {
        if (image != null) {
            showColorAt(event.x, event.y);
        }
    });
    // Set up the image canvas scroll bars.
    ScrollBar horizontal = imageCanvas.getHorizontalBar();
    horizontal.setVisible(true);
    horizontal.setMinimum(0);
    horizontal.setEnabled(false);
    horizontal.addSelectionListener(widgetSelectedAdapter(event -> scrollHorizontally((ScrollBar) event.widget)));
    ScrollBar vertical = imageCanvas.getVerticalBar();
    vertical.setVisible(true);
    vertical.setMinimum(0);
    vertical.setEnabled(false);
    vertical.addSelectionListener(widgetSelectedAdapter(event -> scrollVertically((ScrollBar) event.widget)));
    // Label to show the image size.
    sizeLabel = new Label(shell, SWT.NONE);
    sizeLabel.setText(bundle.getString("Size_initial"));
    sizeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the image depth.
    depthLabel = new Label(shell, SWT.NONE);
    depthLabel.setText(bundle.getString("Depth_initial"));
    depthLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the transparent pixel.
    transparentPixelLabel = new Label(shell, SWT.NONE);
    transparentPixelLabel.setText(bundle.getString("Transparent_pixel_initial"));
    transparentPixelLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the time to load.
    timeToLoadLabel = new Label(shell, SWT.NONE);
    timeToLoadLabel.setText(bundle.getString("Time_to_load_initial"));
    timeToLoadLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Separate the animation fields from the rest of the fields.
    Label separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    separator.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the logical screen size for animation.
    screenSizeLabel = new Label(shell, SWT.NONE);
    screenSizeLabel.setText(bundle.getString("Animation_size_initial"));
    screenSizeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the background pixel.
    backgroundPixelLabel = new Label(shell, SWT.NONE);
    backgroundPixelLabel.setText(bundle.getString("Background_pixel_initial"));
    backgroundPixelLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the image location (x, y).
    locationLabel = new Label(shell, SWT.NONE);
    locationLabel.setText(bundle.getString("Image_location_initial"));
    locationLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the image disposal method.
    disposalMethodLabel = new Label(shell, SWT.NONE);
    disposalMethodLabel.setText(bundle.getString("Disposal_initial"));
    disposalMethodLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the image delay time.
    delayTimeLabel = new Label(shell, SWT.NONE);
    delayTimeLabel.setText(bundle.getString("Delay_initial"));
    delayTimeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the background pixel.
    repeatCountLabel = new Label(shell, SWT.NONE);
    repeatCountLabel.setText(bundle.getString("Repeats_initial"));
    repeatCountLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Separate the animation fields from the palette.
    separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    separator.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show if the image has a direct or indexed palette.
    paletteLabel = new Label(shell, SWT.NONE);
    paletteLabel.setText(bundle.getString("Palette_initial"));
    paletteLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Canvas to show the image's palette.
    paletteCanvas = new Canvas(shell, SWT.BORDER | SWT.V_SCROLL | SWT.NO_REDRAW_RESIZE);
    paletteCanvas.setFont(fixedWidthFont);
    paletteCanvas.getVerticalBar().setVisible(true);
    gridData = new GridData();
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    GC gc = new GC(paletteLabel);
    paletteWidth = gc.stringExtent(bundle.getString("Max_length_string")).x;
    gc.dispose();
    gridData.widthHint = paletteWidth;
    // show at least 16 colors
    gridData.heightHint = 16 * 11;
    paletteCanvas.setLayoutData(gridData);
    paletteCanvas.addPaintListener(event -> {
        if (image != null)
            paintPalette(event);
    });
    // Set up the palette canvas scroll bar.
    vertical = paletteCanvas.getVerticalBar();
    vertical.setVisible(true);
    vertical.setMinimum(0);
    vertical.setIncrement(10);
    vertical.setEnabled(false);
    vertical.addSelectionListener(widgetSelectedAdapter(event -> scrollPalette((ScrollBar) event.widget)));
    // Sash to see more of image or image data.
    sash = new Sash(shell, SWT.HORIZONTAL);
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    sash.setLayoutData(gridData);
    sash.addSelectionListener(widgetSelectedAdapter(event -> {
        if (event.detail != SWT.DRAG) {
            ((GridData) paletteCanvas.getLayoutData()).heightHint = SWT.DEFAULT;
            Rectangle paletteCanvasBounds = paletteCanvas.getBounds();
            int minY = paletteCanvasBounds.y + 20;
            Rectangle dataLabelBounds = dataLabel.getBounds();
            int maxY = statusLabel.getBounds().y - dataLabelBounds.height - 20;
            if (event.y > minY && event.y < maxY) {
                Rectangle oldSash = sash.getBounds();
                sash.setBounds(event.x, event.y, event.width, event.height);
                int diff = event.y - oldSash.y;
                Rectangle bounds = imageCanvas.getBounds();
                imageCanvas.setBounds(bounds.x, bounds.y, bounds.width, bounds.height + diff);
                bounds = paletteCanvasBounds;
                paletteCanvas.setBounds(bounds.x, bounds.y, bounds.width, bounds.height + diff);
                bounds = dataLabelBounds;
                dataLabel.setBounds(bounds.x, bounds.y + diff, bounds.width, bounds.height);
                bounds = dataText.getBounds();
                dataText.setBounds(bounds.x, bounds.y + diff, bounds.width, bounds.height - diff);
            // shell.layout(true);
            }
        }
    }));
    // Label to show data-specific fields.
    dataLabel = new Label(shell, SWT.NONE);
    dataLabel.setText(bundle.getString("Pixel_data_initial"));
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    dataLabel.setLayoutData(gridData);
    // Text to show a dump of the data.
    dataText = new StyledText(shell, SWT.BORDER | SWT.MULTI | SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL);
    dataText.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
    dataText.setFont(fixedWidthFont);
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.heightHint = 128;
    gridData.grabExcessVerticalSpace = true;
    dataText.setLayoutData(gridData);
    dataText.addMouseListener(MouseListener.mouseDownAdapter(event -> {
        if (image != null && event.button == 1) {
            showColorForData();
        }
    }));
    dataText.addKeyListener(new KeyAdapter() {

        @Override
        public void keyPressed(KeyEvent event) {
            if (image != null) {
                showColorForData();
            }
        }
    });
    // Label to show status and cursor location in image.
    statusLabel = new Label(shell, SWT.NONE);
    statusLabel.setText("");
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    statusLabel.setLayoutData(gridData);
}