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78 lines
3 KiB
C++
78 lines
3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online 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.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCE_TEXTINPUTTARGET_JUCEHEADER__
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#define __JUCE_TEXTINPUTTARGET_JUCEHEADER__
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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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*/
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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 const 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 const 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 const Rectangle<int> getCaretRectangle() = 0;
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};
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#endif // __JUCE_TEXTINPUTTARGET_JUCEHEADER__
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