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81 lines
2.8 KiB
81 lines
2.8 KiB
11 years ago
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_DROPSHADOWER_H_INCLUDED
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#define JUCE_DROPSHADOWER_H_INCLUDED
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//==============================================================================
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/**
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Adds a drop-shadow to a component.
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This object creates and manages a set of components which sit around a
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component, creating a gaussian shadow around it. The components will track
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the position of the component and if it's brought to the front they'll also
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follow this.
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For desktop windows you don't need to use this class directly - just
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set the Component::windowHasDropShadow flag when calling
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Component::addToDesktop(), and the system will create one of these if it's
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needed (which it obviously isn't on the Mac, for example).
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*/
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class JUCE_API DropShadower : private ComponentListener
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{
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public:
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//==============================================================================
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/** Creates a DropShadower. */
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DropShadower (const DropShadow& shadowType);
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/** Destructor. */
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~DropShadower();
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/** Attaches the DropShadower to the component you want to shadow. */
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void setOwner (Component* componentToFollow);
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private:
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//==============================================================================
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class ShadowWindow;
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Component* owner;
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OwnedArray<Component> shadowWindows;
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DropShadow shadow;
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bool reentrant;
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WeakReference<Component> lastParentComp;
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void componentMovedOrResized (Component&, bool, bool) override;
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void componentBroughtToFront (Component&) override;
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void componentChildrenChanged (Component&) override;
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void componentParentHierarchyChanged (Component&) override;
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void componentVisibilityChanged (Component&) override;
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void updateParent();
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void updateShadows();
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DropShadower)
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};
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#endif // JUCE_DROPSHADOWER_H_INCLUDED
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