Attachment 226264 Details for Bug 399370 – Workaround replacing the default arrow behavior

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Workaround replacing the default arrow behavior

file_399370.txt (text/plain), 1.40 KB, created by Sebastien Arod

on 2013-01-29 10:40:20 EST

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Creator: Sebastien Arod

Created: 2013-01-29 10:40:20 EST

Size: 1.40 KB

patch

obsolete

>final List<Button> radioButtons = ...
>KeyListener keyListener = new KeyAdapter() {
>	@Override
>	public void keyPressed(KeyEvent pE) {
>		Widget currentButton = (Button)pE.widget;
>		int currentButtonIdx = radioButtons.indexOf(currentButton);
>		Button nextButton = null;
>		int direction = 0;
>		if (pE.keyCode == SWT.ARROW_DOWN
>				|| pE.keyCode == SWT.ARROW_RIGHT) {
>			// Go to next button
>			direction = 1;
>		} else if (pE.keyCode == SWT.ARROW_LEFT
>				|| pE.keyCode == SWT.ARROW_UP) {
>			// Go to previous button
>			direction = -1;
>		}
>		if (direction != 0) {
>			// Find button to focus excluding disabled buttons
>			int newButtonIdx = currentButtonIdx;
>			do {
>				newButtonIdx += direction;
>				Button candidate = radioButtons.get(newButtonIdx
>						% radioButtons.size());
>				if (candidate.isEnabled()) {
>					nextButton = candidate;
>				}
>			} while (newButtonIdx != currentButtonIdx
>					&& nextButton == null);
>			if (nextButton != null) {
>				nextButton.setFocus();
>			}
>		}
>	}
>};
>for (Button button : radioButtons) {
>	button.setData(RWT.CANCEL_KEYS, new String[] {
>			"ARROW_LEFT", "ARROW_UP", "ARROW_RIGHT", "ARROW_DOWN" }); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
>	button.setData(RWT.ACTIVE_KEYS, new String[] {
>			"ARROW_LEFT", "ARROW_UP", "ARROW_RIGHT", "ARROW_DOWN" }); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$)
>	button.addKeyListener(keyListener);
>}

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Attachments on bug 399370: 226247 | 226264