119 lines
4.3 KiB
C++
119 lines
4.3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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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 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-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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//==============================================================================
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/**
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A drawable object which acts as a container for a set of other Drawables.
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Note that although this is a Component, it takes ownership of its child components
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and will delete them, so that you can use it as a self-contained graphic object.
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The intention is that you should not add your own components to it, only add other
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Drawable objects.
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@see Drawable
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@tags{GUI}
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*/
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class JUCE_API DrawableComposite : public Drawable
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{
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public:
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//==============================================================================
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/** Creates a composite Drawable. */
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DrawableComposite();
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/** Creates a copy of a DrawableComposite. */
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DrawableComposite (const DrawableComposite&);
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/** Destructor. */
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~DrawableComposite() override;
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//==============================================================================
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/** Sets the parallelogram that defines the target position of the content rectangle when the drawable is rendered.
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@see setContentArea
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*/
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void setBoundingBox (Parallelogram<float> newBoundingBox);
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/** Sets the rectangle that defines the target position of the content rectangle when the drawable is rendered.
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@see setContentArea
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*/
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void setBoundingBox (Rectangle<float> newBoundingBox);
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/** Returns the parallelogram that defines the target position of the content rectangle when the drawable is rendered.
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@see setBoundingBox
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*/
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Parallelogram<float> getBoundingBox() const noexcept { return bounds; }
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/** Changes the bounding box transform to match the content area, so that any sub-items will
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be drawn at their untransformed positions.
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*/
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void resetBoundingBoxToContentArea();
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/** Returns the main content rectangle.
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@see contentLeftMarkerName, contentRightMarkerName, contentTopMarkerName, contentBottomMarkerName
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*/
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Rectangle<float> getContentArea() const noexcept { return contentArea; }
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/** Changes the main content area.
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@see setBoundingBox, contentLeftMarkerName, contentRightMarkerName, contentTopMarkerName, contentBottomMarkerName
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*/
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void setContentArea (Rectangle<float> newArea);
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/** Resets the content area and the bounding transform to fit around the area occupied
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by the child components.
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*/
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void resetContentAreaAndBoundingBoxToFitChildren();
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//==============================================================================
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/** @internal */
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Drawable* createCopy() const override;
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/** @internal */
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Rectangle<float> getDrawableBounds() const override;
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/** @internal */
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void childBoundsChanged (Component*) override;
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/** @internal */
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void childrenChanged() override;
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/** @internal */
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void parentHierarchyChanged() override;
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/** @internal */
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Path getOutlineAsPath() const override;
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private:
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//==============================================================================
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Parallelogram<float> bounds;
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Rectangle<float> contentArea;
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bool updateBoundsReentrant = false;
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void updateBoundsToFitChildren();
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DrawableComposite& operator= (const DrawableComposite&);
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JUCE_LEAK_DETECTOR (DrawableComposite)
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};
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} // namespace juce
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