Examples with NUIMouseOverEvent org.terasology.rendering.nui.events.NUIMouseOverEvent used on opensource projects

Example 1 with NUIMouseOverEvent

use of org.terasology.rendering.nui.events.NUIMouseOverEvent in project Terasology by MovingBlocks.

the class CanvasImpl method processMousePosition.

@Override
public void processMousePosition(Vector2i position) {
    if (clickedRegion != null) {
        Vector2i relPos = new Vector2i(position);
        relPos.sub(clickedRegion.offset);
        clickedRegion.listener.onMouseDrag(new NUIMouseDragEvent(mouse, keyboard, relPos));
    }
    Set<InteractionRegion> newMouseOverRegions = Sets.newLinkedHashSet();
    Iterator<InteractionRegion> iter = interactionRegions.descendingIterator();
    while (iter.hasNext()) {
        InteractionRegion next = iter.next();
        if (next.region.contains(position)) {
            Vector2i relPos = new Vector2i(position);
            relPos.sub(next.offset);
            boolean isTopMostElement = newMouseOverRegions.isEmpty();
            next.listener.onMouseOver(new NUIMouseOverEvent(mouse, keyboard, relPos, isTopMostElement));
            newMouseOverRegions.add(next);
        }
    }
    mouseOverRegions.stream().filter(region -> !newMouseOverRegions.contains(region)).forEach(region -> region.listener.onMouseLeave());
    if (clickedRegion != null && !interactionRegions.contains(clickedRegion)) {
        clickedRegion = null;
    }
    mouseOverRegions = newMouseOverRegions;
    if (mouseOverRegions.isEmpty()) {
        topMouseOverRegion = null;
    } else {
        InteractionRegion newTopMouseOverRegion = mouseOverRegions.iterator().next();
        if (!newTopMouseOverRegion.equals(topMouseOverRegion)) {
            topMouseOverRegion = newTopMouseOverRegion;
            tooltipTime = time.getGameTime() + newTopMouseOverRegion.element.getTooltipDelay();
            lastTooltipPosition.set(position);
        } else {
            if (lastTooltipPosition.gridDistance(position) > MAX_DOUBLE_CLICK_DISTANCE) {
                tooltipTime = time.getGameTime() + newTopMouseOverRegion.element.getTooltipDelay();
                lastTooltipPosition.set(position);
            }
        }
    }
}