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

Example 31 with MouseListener

use of org.eclipse.swt.events.MouseListener in project eclipse.platform.text by eclipse.

the class AbstractTextEditor method getRulerMouseListener.

/**
 * Creates and returns the listener on this editor's vertical ruler.
 *
 * @return the mouse listener
 */
protected final MouseListener getRulerMouseListener() {
    if (fMouseListener == null) {
        fMouseListener = new MouseListener() {

            private boolean fDoubleClicked = false;

            private final int fDoubleClickTime = getSite().getShell().getDisplay().getDoubleClickTime();

            private long fMouseUpDelta = 0;

            private void triggerAction(String actionID, MouseEvent e) {
                IAction action = getAction(actionID);
                if (action != null) {
                    if (action instanceof IUpdate)
                        ((IUpdate) action).update();
                    if (action.isEnabled()) {
                        Event event = new Event();
                        event.type = fDoubleClicked ? SWT.MouseDoubleClick : SWT.MouseUp;
                        event.display = e.display;
                        event.widget = e.widget;
                        event.time = e.time;
                        event.data = e.data;
                        event.x = e.x;
                        event.y = e.y;
                        event.button = e.button;
                        event.stateMask = e.stateMask;
                        event.count = e.count;
                        action.runWithEvent(event);
                    }
                }
            }

            @Override
            public void mouseUp(final MouseEvent e) {
                setFocus();
                final int delay = fMouseUpDelta == 0 ? 0 : fDoubleClickTime - (int) (System.currentTimeMillis() - fMouseUpDelta);
                if (1 != e.button)
                    return;
                Runnable runnable = new Runnable() {

                    @Override
                    public void run() {
                        if (!fDoubleClicked)
                            triggerAction(ITextEditorActionConstants.RULER_CLICK, e);
                    }
                };
                if (delay <= 0)
                    runnable.run();
                else
                    e.widget.getDisplay().timerExec(delay, runnable);
            }

            @Override
            public void mouseDoubleClick(MouseEvent e) {
                if (1 == e.button) {
                    fDoubleClicked = true;
                    triggerAction(ITextEditorActionConstants.RULER_DOUBLE_CLICK, e);
                }
            }

            @Override
            public void mouseDown(MouseEvent e) {
                fMouseUpDelta = System.currentTimeMillis();
                fDoubleClicked = false;
                if (fRulerContextMenu != null && !fRulerContextMenu.isDisposed()) {
                    Display display = fRulerContextMenu.getDisplay();
                    Point location = display.getCursorLocation();
                    fRulerContextMenu.setLocation(location.x, location.y);
                }
            }
        };
    }
    return fMouseListener;
}

Example 32 with MouseListener

use of org.eclipse.swt.events.MouseListener in project eclipse.platform.text by eclipse.

the class VerticalRuler method createControl.

@Override
public Control createControl(Composite parent, ITextViewer textViewer) {
    fTextViewer = textViewer;
    fCanvas = new Canvas(parent, SWT.NO_BACKGROUND);
    fCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent event) {
            if (fTextViewer != null)
                doubleBufferPaint(event.gc);
        }
    });
    fCanvas.addDisposeListener(new DisposeListener() {

        @Override
        public void widgetDisposed(DisposeEvent e) {
            handleDispose();
            fTextViewer = null;
        }
    });
    fCanvas.addMouseListener(new MouseListener() {

        @Override
        public void mouseUp(MouseEvent event) {
        }

        @Override
        public void mouseDown(MouseEvent event) {
            fLastMouseButtonActivityLine = toDocumentLineNumber(event.y);
        }

        @Override
        public void mouseDoubleClick(MouseEvent event) {
            fLastMouseButtonActivityLine = toDocumentLineNumber(event.y);
        }
    });
    if (fTextViewer != null) {
        fTextViewer.addViewportListener(fInternalListener);
        fTextViewer.addTextListener(fInternalListener);
    }
    return fCanvas;
}