//============================================================================== void BubbleComponent::setPosition (const Rectangle<int>& rectangleToPointTo) { Rectangle<int> availableSpace (getParentComponent() != nullptr ? getParentComponent()->getLocalBounds() : getParentMonitorArea()); int x = 0; int y = 0; int w = 150; int h = 30; getContentSize (w, h); w += 30; h += 30; const float edgeIndent = 2.0f; const int arrowLength = jmin (10, h / 3, w / 3); int spaceAbove = ((allowablePlacements & above) != 0) ? jmax (0, rectangleToPointTo.getY() - availableSpace.getY()) : -1; int spaceBelow = ((allowablePlacements & below) != 0) ? jmax (0, availableSpace.getBottom() - rectangleToPointTo.getBottom()) : -1; int spaceLeft = ((allowablePlacements & left) != 0) ? jmax (0, rectangleToPointTo.getX() - availableSpace.getX()) : -1; int spaceRight = ((allowablePlacements & right) != 0) ? jmax (0, availableSpace.getRight() - rectangleToPointTo.getRight()) : -1; // look at whether the component is elongated, and if so, try to position next to its longer dimension. if (rectangleToPointTo.getWidth() > rectangleToPointTo.getHeight() * 2 && (spaceAbove > h + 20 || spaceBelow > h + 20)) { spaceLeft = spaceRight = 0; } else if (rectangleToPointTo.getWidth() < rectangleToPointTo.getHeight() / 2 && (spaceLeft > w + 20 || spaceRight > w + 20)) { spaceAbove = spaceBelow = 0; } if (jmax (spaceAbove, spaceBelow) >= jmax (spaceLeft, spaceRight)) { x = rectangleToPointTo.getX() + (rectangleToPointTo.getWidth() - w) / 2; arrowTipX = w * 0.5f; content.setSize (w, h - arrowLength); if (spaceAbove >= spaceBelow) { // above y = rectangleToPointTo.getY() - h; content.setPosition (0, 0); arrowTipY = h - edgeIndent; side = 2; } else { // below y = rectangleToPointTo.getBottom(); content.setPosition (0, arrowLength); arrowTipY = edgeIndent; side = 0; } } else { y = rectangleToPointTo.getY() + (rectangleToPointTo.getHeight() - h) / 2; arrowTipY = h * 0.5f; content.setSize (w - arrowLength, h); if (spaceLeft > spaceRight) { // on the left x = rectangleToPointTo.getX() - w; content.setPosition (0, 0); arrowTipX = w - edgeIndent; side = 3; } else { // on the right x = rectangleToPointTo.getRight(); content.setPosition (arrowLength, 0); arrowTipX = edgeIndent; side = 1; } } setBounds (x, y, w, h); }
void BubbleComponent::setPosition (Rectangle<int> rectangleToPointTo, int distanceFromTarget, int arrowLength) { { int contentW = 150, contentH = 30; getContentSize (contentW, contentH); content.setBounds (distanceFromTarget, distanceFromTarget, contentW, contentH); } const int totalW = content.getWidth() + distanceFromTarget * 2; const int totalH = content.getHeight() + distanceFromTarget * 2; const Rectangle<int> availableSpace (getParentComponent() != nullptr ? getParentComponent()->getLocalBounds() : getParentMonitorArea()); int spaceAbove = ((allowablePlacements & above) != 0) ? jmax (0, rectangleToPointTo.getY() - availableSpace.getY()) : -1; int spaceBelow = ((allowablePlacements & below) != 0) ? jmax (0, availableSpace.getBottom() - rectangleToPointTo.getBottom()) : -1; int spaceLeft = ((allowablePlacements & left) != 0) ? jmax (0, rectangleToPointTo.getX() - availableSpace.getX()) : -1; int spaceRight = ((allowablePlacements & right) != 0) ? jmax (0, availableSpace.getRight() - rectangleToPointTo.getRight()) : -1; // look at whether the component is elongated, and if so, try to position next to its longer dimension. if (rectangleToPointTo.getWidth() > rectangleToPointTo.getHeight() * 2 && (spaceAbove > totalH + 20 || spaceBelow > totalH + 20)) { spaceLeft = spaceRight = 0; } else if (rectangleToPointTo.getWidth() < rectangleToPointTo.getHeight() / 2 && (spaceLeft > totalW + 20 || spaceRight > totalW + 20)) { spaceAbove = spaceBelow = 0; } int targetX, targetY; if (jmax (spaceAbove, spaceBelow) >= jmax (spaceLeft, spaceRight)) { targetX = rectangleToPointTo.getCentre().x; arrowTip.x = totalW / 2; if (spaceAbove >= spaceBelow) { // above targetY = rectangleToPointTo.getY(); arrowTip.y = content.getBottom() + arrowLength; } else { // below targetY = rectangleToPointTo.getBottom(); arrowTip.y = content.getY() - arrowLength; } } else { targetY = rectangleToPointTo.getCentre().y; arrowTip.y = totalH / 2; if (spaceLeft > spaceRight) { // on the left targetX = rectangleToPointTo.getX(); arrowTip.x = content.getRight() + arrowLength; } else { // on the right targetX = rectangleToPointTo.getRight(); arrowTip.x = content.getX() - arrowLength; } } setBounds (targetX - arrowTip.x, targetY - arrowTip.y, totalW, totalH); }