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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2022 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 7 End-User License
Agreement and JUCE Privacy Policy.
End User License Agreement: www.juce.com/juce-7-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
ResizableEdgeComponent::ResizableEdgeComponent (Component* componentToResize,
ComponentBoundsConstrainer* boundsConstrainer,
Edge e)
: component (componentToResize),
constrainer (boundsConstrainer),
edge (e)
{
setRepaintsOnMouseActivity (true);
setMouseCursor (isVertical() ? MouseCursor::LeftRightResizeCursor
: MouseCursor::UpDownResizeCursor);
}
ResizableEdgeComponent::~ResizableEdgeComponent() = default;
//==============================================================================
bool ResizableEdgeComponent::isVertical() const noexcept
{
return edge == leftEdge || edge == rightEdge;
}
void ResizableEdgeComponent::paint (Graphics& g)
{
getLookAndFeel().drawStretchableLayoutResizerBar (g, getWidth(), getHeight(), isVertical(),
isMouseOver(), isMouseButtonDown());
}
void ResizableEdgeComponent::mouseDown (const MouseEvent&)
{
if (component == nullptr)
{
jassertfalse; // You've deleted the component that this resizer was supposed to be using!
return;
}
originalBounds = component->getBounds();
if (constrainer != nullptr)
constrainer->resizeStart();
}
void ResizableEdgeComponent::mouseDrag (const MouseEvent& e)
{
if (component == nullptr)
{
jassertfalse; // You've deleted the component that this resizer was supposed to be using!
return;
}
auto newBounds = originalBounds;
switch (edge)
{
case leftEdge: newBounds.setLeft (jmin (newBounds.getRight(), newBounds.getX() + e.getDistanceFromDragStartX())); break;
case rightEdge: newBounds.setWidth (jmax (0, newBounds.getWidth() + e.getDistanceFromDragStartX())); break;
case topEdge: newBounds.setTop (jmin (newBounds.getBottom(), newBounds.getY() + e.getDistanceFromDragStartY())); break;
case bottomEdge: newBounds.setHeight (jmax (0, newBounds.getHeight() + e.getDistanceFromDragStartY())); break;
default: jassertfalse; break;
}
if (constrainer != nullptr)
{
constrainer->setBoundsForComponent (component, newBounds,
edge == topEdge,
edge == leftEdge,
edge == bottomEdge,
edge == rightEdge);
}
else
{
if (auto* p = component->getPositioner())
p->applyNewBounds (newBounds);
else
component->setBounds (newBounds);
}
}
void ResizableEdgeComponent::mouseUp (const MouseEvent&)
{
if (constrainer != nullptr)
constrainer->resizeEnd();
}
} // namespace juce
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