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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.
==============================================================================
*/
ResizableCornerComponent::ResizableCornerComponent (Component* const componentToResize,
ComponentBoundsConstrainer* const constrainer_)
: component (componentToResize),
constrainer (constrainer_)
{
setRepaintsOnMouseActivity (true);
setMouseCursor (MouseCursor::BottomRightCornerResizeCursor);
}
ResizableCornerComponent::~ResizableCornerComponent()
{
}
//==============================================================================
void ResizableCornerComponent::paint (Graphics& g)
{
getLookAndFeel()
.drawCornerResizer (g, getWidth(), getHeight(),
isMouseOverOrDragging(),
isMouseButtonDown());
}
void ResizableCornerComponent::mouseDown (const MouseEvent&)
{
if (component == nullptr)
{
jassertfalse; // You've deleted the component that this resizer is supposed to be controlling!
return;
}
originalBounds = component->getBounds();
if (constrainer != nullptr)
constrainer->resizeStart();
}
void ResizableCornerComponent::mouseDrag (const MouseEvent& e)
{
if (component == nullptr)
{
jassertfalse; // You've deleted the component that this resizer is supposed to be controlling!
return;
}
Rectangle<int> r (originalBounds.withSize (originalBounds.getWidth() + e.getDistanceFromDragStartX(),
originalBounds.getHeight() + e.getDistanceFromDragStartY()));
if (constrainer != nullptr)
{
constrainer->setBoundsForComponent (component, r, false, false, true, true);
}
else
{
if (Component::Positioner* const pos = component->getPositioner())
pos->applyNewBounds (r);
else
component->setBounds (r);
}
}
void ResizableCornerComponent::mouseUp (const MouseEvent&)
{
if (constrainer != nullptr)
constrainer->resizeEnd();
}
bool ResizableCornerComponent::hitTest (int x, int y)
{
if (getWidth() <= 0)
return false;
const int yAtX = getHeight() - (getHeight() * x / getWidth());
return y >= yAtX - getHeight() / 4;
}
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