protected void refreshScale(Scale scale) { int min = scale.getMinimum(); int sel = (int) Math.round((scale.getMaximum() - min) * selectionRatio + min); scale.setSelection(sel); scale.setToolTipText(getSelectionText()); }
public void createPartControl(final Composite parent) { parent.setLayout(new GridLayout(3, false)); final Composite comp = new Composite(parent, SWT.BORDER); comp.setLayout(new FillLayout()); comp.setLayoutData(new GridData(GridData.FILL_BOTH)); final Scale scale = new Scale(parent, SWT.BORDER | SWT.VERTICAL); scale.setLayoutData(new GridData(GridData.FILL_VERTICAL)); scale.setMaximum(100); scale.setMinimum(0); scale.setPageIncrement(1); scale.setSelection(100); scale.setToolTipText("Throttle Command."); scale.addListener( SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { int value = 100 - scale.getSelection(); // Inverted! from 100 to 0. if (throttleText != null) throttleText.setText(String.valueOf(value) + " %"); commandThread.getData().setM2(value); commandThread.getData().setM3(value); commandThread.getData().setM1(value); commandThread.getData().setM0(value); } }); canvas = new Canvas(comp, SWT.DOUBLE_BUFFERED); final Composite data = new Composite(parent, SWT.NONE); data.setLayout(new GridLayout(1, true)); data.setLayoutData(new GridData(GridData.FILL_VERTICAL)); Group groupThrottle = new Group(data, SWT.NONE); groupThrottle.setText("Throttle Command"); groupThrottle.setLayout(new GridLayout(2, true)); groupThrottle.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Label label = new Label(groupThrottle, SWT.NONE); label.setText("Throttle:"); throttleText = new Text(groupThrottle, SWT.BORDER); throttleText.setEditable(false); throttleText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); throttleText.setText("0 %"); Group groupRoll = new Group(data, SWT.NONE); groupRoll.setText("Roll Command"); groupRoll.setLayout(new GridLayout(2, true)); groupRoll.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Group groupPitch = new Group(data, SWT.NONE); groupPitch.setText("Pitch Command"); groupPitch.setLayout(new GridLayout(2, true)); groupPitch.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); label = new Label(groupRoll, SWT.NONE); label.setText("Lock Roll:"); lockRoll = new Button(groupRoll, SWT.CHECK); label = new Label(groupRoll, SWT.NONE); label.setText("Roll (°):"); rollText = new Text(groupRoll, SWT.BORDER); rollText.setEditable(false); rollText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); label = new Label(groupPitch, SWT.NONE); label.setText("Lock Pitch:"); lockPitch = new Button(groupPitch, SWT.CHECK); label = new Label(groupPitch, SWT.NONE); label.setText("Pitch (°):"); pitchText = new Text(groupPitch, SWT.BORDER); pitchText.setEditable(false); pitchText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); label = new Label(groupRoll, SWT.NONE); label.setText("Max Roll (°):"); rollMax = new Text(groupRoll, SWT.BORDER); rollMax.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); rollMax.addFocusListener( new FocusListener() { @Override public void focusLost(FocusEvent e) { String value = ((Text) e.widget).getText(); IPreferenceStore store = Activator.getDefault().getPreferenceStore(); int intVal = 0; try { intVal = Integer.valueOf(value); } catch (NumberFormatException e1) { ((Text) e.widget).setText(store.getString(PreferenceConstants.P_CMD_ROLL)); } if (intVal > 90 || intVal < 0) ((Text) e.widget).setText(store.getString(PreferenceConstants.P_CMD_ROLL)); } @Override public void focusGained(FocusEvent arg0) {} }); label = new Label(groupPitch, SWT.NONE); label.setText("Max Pitch (°):"); pitchMax = new Text(groupPitch, SWT.BORDER); pitchMax.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); pitchMax.addFocusListener( new FocusListener() { @Override public void focusLost(FocusEvent e) { String value = ((Text) e.widget).getText(); IPreferenceStore store = Activator.getDefault().getPreferenceStore(); int intVal = 0; try { intVal = Integer.valueOf(value); } catch (NumberFormatException e1) { ((Text) e.widget).setText(store.getString(PreferenceConstants.P_CMD_PITCH)); } if (intVal > 90 || intVal < 0) ((Text) e.widget).setText(store.getString(PreferenceConstants.P_CMD_PITCH)); } @Override public void focusGained(FocusEvent arg0) {} }); final Composite buttons = new Composite(data, SWT.NONE); buttons.setLayout(new GridLayout(2, true)); buttons.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); final Button recordBtn = new Button(buttons, SWT.TOGGLE); recordBtn.addListener( SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { if (recordBtn.getSelection()) TelemetryDataSingleton.getInstance().setLogEnabled(true); else TelemetryDataSingleton.getInstance().setLogEnabled(false); recordBtn.setSelection(TelemetryDataSingleton.getInstance().getLogEnabled()); logger.logInfo( "Data recording " + (recordBtn.getSelection() ? "enabled." : "disabled."), this.getClass()); } }); recordBtn.setImage( PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_ELCL_STOP)); recordBtn.setLayoutData(new GridData(GridData.FILL_BOTH)); recordBtn.setToolTipText("Record telemetry to file."); final Button enableBtn = new Button(buttons, SWT.TOGGLE); enableBtn.addListener( SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { if (enableBtn.getSelection()) commandThread.setPause(true); else commandThread.setPause(false); recordBtn.setSelection(TelemetryDataSingleton.getInstance().getLogEnabled()); if (enableBtn.getSelection()) logger.logInfo("Command data sent enabled.", this.getClass()); else logger.logWarning("Command data sent disabled.", this.getClass()); } }); enableBtn.setImage( PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_ELCL_COLLAPSEALL)); enableBtn.setLayoutData(new GridData(GridData.FILL_BOTH)); enableBtn.setToolTipText("Enable command data sent."); canvas.setToolTipText("Pitch [left] & Roll [right] Commands."); canvas.addPaintListener( new PaintListener() { @Override public void paintControl(PaintEvent e) { // Get the canvas for drawing and its width and height Canvas canvas = (Canvas) e.widget; int width = canvas.getSize().x; int height = canvas.getSize().y - comp.getBorderWidth(); drawAttitudeControls(e.gc, width, height); } }); canvas.addMouseListener( new MouseListener() { @Override public void mouseUp(MouseEvent e) { enable = false; roll = 0; pitch = 0; update(); } @Override public void mouseDown(MouseEvent e) { enable = true; prevX = e.x; prevY = e.y; } @Override public void mouseDoubleClick(MouseEvent e) { if (enableDoubleClick) { enableDoubleClick = false; roll = 0; pitch = 0; update(); } else enableDoubleClick = true; } }); canvas.addMouseMoveListener( new MouseMoveListener() { private float pitchAngleStep; private float rollAngleStep; @Override public void mouseMove(MouseEvent e) { if (enable || enableDoubleClick) { int maxRoll = Integer.valueOf(rollMax.getText()); int maxPitch = Integer.valueOf(pitchMax.getText()); // Calculate deltas and scale value rollAngleStep = Math.abs(e.x - prevX) * 0.5f; pitchAngleStep = Math.abs(e.y - prevY) * 1.5f; if (roll >= maxRoll) { roll = maxRoll; } else if (roll <= -maxRoll) { roll = -maxRoll; } if (pitch >= maxPitch) { pitch = maxPitch; } else if (pitch <= -maxPitch) { pitch = -maxPitch; } if (e.x < prevX && !lockRoll.getSelection()) roll -= rollAngleStep; else if (e.x > prevX && !lockRoll.getSelection()) roll += rollAngleStep; else if (e.y < prevY && !lockPitch.getSelection()) pitch -= pitchAngleStep; else if (e.y > prevY && !lockPitch.getSelection()) pitch += pitchAngleStep; prevX = e.x; prevY = e.y; update(); } } }); updateFromPreferences(); }