Bug 195137 [Viewers] Tooltip for multiline comment in History view hinders selection
N20070702-0010 The tooltip for multiline comments in the History view hinders selection of the row behind, e.g.: - open CVS History for /org.eclipse.core.expressions/.classpath - move mouse to column "Comment" of rev. 1.7 - click -> clicks "through" the tooltip and selects the row - move mouse down to rev. 1.6 - Shift+click to select both items -> mouse click does nothing -> expected: should select rev. 1.6 and dismiss the tooltip If you now press Alt+Tab to file a bug, the tooltip even stays up, although the workbench window has lost focus.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ColumnViewerToolTipSupport.java
ViewerRow row = viewer.getViewerRow(new Point(event.x, event.y));
		viewer.getControl().setToolTipText(""); 
		Point point = new Point(event.x, event.y);
		if (row != null) {
			Object element = row.getItem().getData();
			ViewerColumn viewPart = viewer.getViewerColumn(row
					.getColumnIndex(point));
			if (viewPart == null) {
				return false;
			}
			CellLabelProvider labelProvider = viewPart.getLabelProvider();
			boolean useNative = labelProvider.useNativeToolTip(element);
			
			String text = labelProvider.getToolTipText(element);
			Image img = null;
			
			if( ! useNative ) {
				img = labelProvider.getToolTipImage(element);
			}
			
			if( useNative || (text == null && img == null ) ) {
				viewer.getControl().setToolTipText(text);
				rv = false;
			} else {
				setPopupDelay(labelProvider.getToolTipDisplayDelayTime(element));
				setHideDelay(labelProvider.getToolTipTimeDisplayed(element));
				Point shift = labelProvider.getToolTipShift(element);
				if (shift == null) {
					setShift(new Point(DEFAULT_SHIFT_X, DEFAULT_SHIFT_Y));