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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
BubbleComponent::BubbleComponent()
: allowablePlacements (above | below | left | right)
{
setInterceptsMouseClicks (false, false);
shadow.setShadowProperties (DropShadow (Colours::black.withAlpha (0.35f), 5, Point<int>()));
setComponentEffect (&shadow);
}
BubbleComponent::~BubbleComponent() {}
//==============================================================================
void BubbleComponent::paint (Graphics& g)
{
getLookAndFeel().drawBubble (g, *this, arrowTip.toFloat(), content.toFloat());
g.reduceClipRegion (content);
g.setOrigin (content.getPosition());
paintContent (g, content.getWidth(), content.getHeight());
}
void BubbleComponent::setAllowedPlacement (const int newPlacement)
{
allowablePlacements = newPlacement;
}
void BubbleComponent::setPosition (Component* componentToPointTo)
{
jassert (componentToPointTo != nullptr);
if (Component* p = getParentComponent())
setPosition (p->getLocalArea (componentToPointTo, componentToPointTo->getLocalBounds()));
else
setPosition (componentToPointTo->getScreenBounds());
}
void BubbleComponent::setPosition (Point<int> pos)
{
setPosition (Rectangle<int> (pos.x, pos.y, 1, 1));
}
//==============================================================================
void BubbleComponent::setPosition (const Rectangle<int>& rectangleToPointTo)
{
const int edgeSpace = 15;
const int arrowLength = 10;
{
int contentW = 150, contentH = 30;
getContentSize (contentW, contentH);
content.setBounds (edgeSpace, edgeSpace, contentW, contentH);
}
const int totalW = content.getWidth() + edgeSpace * 2;
const int totalH = content.getHeight() + edgeSpace * 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);
}
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