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"
73 lines
2.5 KiB
C++
73 lines
2.5 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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//==============================================================================
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/**
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Base class for traversing components.
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If you need custom focus or keyboard focus traversal for a component you can
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create a subclass of ComponentTraverser and return it from
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Component::createFocusTraverser() or Component::createKeyboardFocusTraverser().
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@see Component::createFocusTraverser, Component::createKeyboardFocusTraverser
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@tags{GUI}
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*/
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class JUCE_API ComponentTraverser
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{
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public:
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/** Destructor. */
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virtual ~ComponentTraverser() = default;
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/** Returns the component that should be used as the traversal entry point
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within the given parent component.
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This must return nullptr if there is no default component.
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*/
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virtual Component* getDefaultComponent (Component* parentComponent) = 0;
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/** Returns the component that comes after the specified one when moving "forwards".
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This must return nullptr if there is no next component.
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*/
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virtual Component* getNextComponent (Component* current) = 0;
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/** Returns the component that comes after the specified one when moving "backwards".
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This must return nullptr if there is no previous component.
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*/
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virtual Component* getPreviousComponent (Component* current) = 0;
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/** Returns all of the traversable components within the given parent component in
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traversal order.
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*/
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virtual std::vector<Component*> getAllComponents (Component* parentComponent) = 0;
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};
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} // namespace juce
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