98 lines
3.3 KiB
C
98 lines
3.3 KiB
C
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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) 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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An abstract base class which can be implemented by components that function as
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text editors.
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This class allows different types of text editor component to provide a uniform
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interface, which can be used by things like OS-specific input methods, on-screen
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keyboards, etc.
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@tags{GUI}
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*/
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class JUCE_API TextInputTarget
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{
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public:
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//==============================================================================
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/** */
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TextInputTarget() {}
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/** Destructor. */
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virtual ~TextInputTarget() {}
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/** Returns true if this input target is currently accepting input.
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For example, a text editor might return false if it's in read-only mode.
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*/
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virtual bool isTextInputActive() const = 0;
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/** Returns the extents of the selected text region, or an empty range if
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nothing is selected,
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*/
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virtual Range<int> getHighlightedRegion() const = 0;
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/** Sets the currently-selected text region. */
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virtual void setHighlightedRegion (const Range<int>& newRange) = 0;
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/** Sets a number of temporarily underlined sections.
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This is needed by MS Windows input method UI.
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*/
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virtual void setTemporaryUnderlining (const Array<Range<int>>& underlinedRegions) = 0;
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/** Returns a specified sub-section of the text. */
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virtual String getTextInRange (const Range<int>& range) const = 0;
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/** Inserts some text, overwriting the selected text region, if there is one. */
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virtual void insertTextAtCaret (const String& textToInsert) = 0;
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/** Returns the position of the caret, relative to the component's origin. */
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virtual Rectangle<int> getCaretRectangle() = 0;
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/** A set of possible on-screen keyboard types, for use in the
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getKeyboardType() method.
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*/
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enum VirtualKeyboardType
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{
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textKeyboard = 0,
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numericKeyboard,
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decimalKeyboard,
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urlKeyboard,
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emailAddressKeyboard,
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phoneNumberKeyboard
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};
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/** Returns the target's preference for the type of keyboard that would be most appropriate.
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This may be ignored, depending on the capabilities of the OS.
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*/
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virtual VirtualKeyboardType getKeyboardType() { return textKeyboard; }
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};
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} // namespace juce
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