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118 lines
5 KiB
C++
118 lines
5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE 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 factory object which can create ToolbarItemComponent objects.
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A subclass of ToolbarItemFactory publishes a set of types of toolbar item
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that it can create.
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Each type of item is identified by a unique ID, and multiple instances of an
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item type can exist at once (even on the same toolbar, e.g. spacers or separator
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bars).
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@see Toolbar, ToolbarItemComponent, ToolbarButton
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@tags{GUI}
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*/
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class JUCE_API ToolbarItemFactory
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{
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public:
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//==============================================================================
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ToolbarItemFactory();
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/** Destructor. */
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virtual ~ToolbarItemFactory();
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//==============================================================================
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/** A set of reserved item ID values, used for the built-in item types.
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*/
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enum SpecialItemIds
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{
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separatorBarId = -1, /**< The item ID for a vertical (or horizontal) separator bar that
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can be placed between sets of items to break them into groups. */
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spacerId = -2, /**< The item ID for a fixed-width space that can be placed between
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items.*/
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flexibleSpacerId = -3 /**< The item ID for a gap that pushes outwards against the things on
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either side of it, filling any available space. */
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};
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//==============================================================================
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/** Must return a list of the IDs for all the item types that this factory can create.
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The ids should be added to the array that is passed-in.
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An item ID can be any integer you choose, except for 0, which is considered a null ID,
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and the predefined IDs in the SpecialItemIds enum.
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You should also add the built-in types (separatorBarId, spacerId and flexibleSpacerId)
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to this list if you want your toolbar to be able to contain those items.
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The list returned here is used by the ToolbarItemPalette class to obtain its list
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of available items, and their order on the palette will reflect the order in which
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they appear on this list.
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@see ToolbarItemPalette
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*/
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virtual void getAllToolbarItemIds (Array <int>& ids) = 0;
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/** Must return the set of items that should be added to a toolbar as its default set.
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This method is used by Toolbar::addDefaultItems() to determine which items to
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create.
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The items that your method adds to the array that is passed-in will be added to the
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toolbar in the same order. Items can appear in the list more than once.
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*/
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virtual void getDefaultItemSet (Array <int>& ids) = 0;
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/** Must create an instance of one of the items that the factory lists in its
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getAllToolbarItemIds() method.
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The itemId parameter can be any of the values listed by your getAllToolbarItemIds()
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method, except for the built-in item types from the SpecialItemIds enum, which
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are created internally by the toolbar code.
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Try not to keep a pointer to the object that is returned, as it will be deleted
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automatically by the toolbar, and remember that multiple instances of the same
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item type are likely to exist at the same time.
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*/
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virtual ToolbarItemComponent* createItem (int itemId) = 0;
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};
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} // namespace juce
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