25bd5d8adb
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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ResizableEdgeComponent::ResizableEdgeComponent (Component* componentToResize,
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ComponentBoundsConstrainer* boundsConstrainer,
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Edge e)
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: component (componentToResize),
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constrainer (boundsConstrainer),
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edge (e)
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{
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setRepaintsOnMouseActivity (true);
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setMouseCursor (isVertical() ? MouseCursor::LeftRightResizeCursor
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: MouseCursor::UpDownResizeCursor);
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}
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ResizableEdgeComponent::~ResizableEdgeComponent() = default;
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//==============================================================================
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bool ResizableEdgeComponent::isVertical() const noexcept
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{
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return edge == leftEdge || edge == rightEdge;
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}
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void ResizableEdgeComponent::paint (Graphics& g)
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{
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getLookAndFeel().drawStretchableLayoutResizerBar (g, getWidth(), getHeight(), isVertical(),
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isMouseOver(), isMouseButtonDown());
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}
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void ResizableEdgeComponent::mouseDown (const MouseEvent&)
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{
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if (component == nullptr)
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{
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jassertfalse; // You've deleted the component that this resizer was supposed to be using!
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return;
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}
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originalBounds = component->getBounds();
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if (constrainer != nullptr)
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constrainer->resizeStart();
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}
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void ResizableEdgeComponent::mouseDrag (const MouseEvent& e)
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{
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if (component == nullptr)
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{
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jassertfalse; // You've deleted the component that this resizer was supposed to be using!
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return;
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}
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auto newBounds = originalBounds;
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switch (edge)
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{
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case leftEdge: newBounds.setLeft (jmin (newBounds.getRight(), newBounds.getX() + e.getDistanceFromDragStartX())); break;
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case rightEdge: newBounds.setWidth (jmax (0, newBounds.getWidth() + e.getDistanceFromDragStartX())); break;
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case topEdge: newBounds.setTop (jmin (newBounds.getBottom(), newBounds.getY() + e.getDistanceFromDragStartY())); break;
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case bottomEdge: newBounds.setHeight (jmax (0, newBounds.getHeight() + e.getDistanceFromDragStartY())); break;
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default: jassertfalse; break;
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}
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if (constrainer != nullptr)
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{
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constrainer->setBoundsForComponent (component, newBounds,
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edge == topEdge,
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edge == leftEdge,
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edge == bottomEdge,
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edge == rightEdge);
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}
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else
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{
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if (auto* p = component->getPositioner())
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p->applyNewBounds (newBounds);
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else
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component->setBounds (newBounds);
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}
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}
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void ResizableEdgeComponent::mouseUp (const MouseEvent&)
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{
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if (constrainer != nullptr)
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constrainer->resizeEnd();
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}
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} // namespace juce
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