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TextInputTarget Class Referenceabstract

An abstract base class which can be implemented by components that function as text editors. More...

Inherited by CodeEditorComponent, and TextEditor.

Public Member Functions

 TextInputTarget ()
 
virtual ~TextInputTarget ()
 Destructor.
 
virtual bool isTextInputActive () const =0
 Returns true if this input target is currently accepting input.
 
virtual Range< int > getHighlightedRegion () const =0
 Returns the extents of the selected text region, or an empty range if nothing is selected,.
 
virtual void setHighlightedRegion (const Range< int > &newRange)=0
 Sets the currently-selected text region.
 
virtual void setTemporaryUnderlining (const Array< Range< int > > &underlinedRegions)=0
 Sets a number of temporarily underlined sections.
 
virtual String getTextInRange (const Range< int > &range) const =0
 Returns a specified sub-section of the text.
 
virtual void insertTextAtCaret (const String &textToInsert)=0
 Inserts some text, overwriting the selected text region, if there is one.
 
virtual Rectangle< int > getCaretRectangle ()=0
 Returns the position of the caret, relative to the component's origin.
 

Detailed Description

An abstract base class which can be implemented by components that function as text editors.

This class allows different types of text editor component to provide a uniform interface, which can be used by things like OS-specific input methods, on-screen keyboards, etc.

Constructor & Destructor Documentation

TextInputTarget::TextInputTarget ( )
virtual TextInputTarget::~TextInputTarget ( )
virtual

Destructor.

Member Function Documentation

virtual bool TextInputTarget::isTextInputActive ( ) const
pure virtual

Returns true if this input target is currently accepting input.

For example, a text editor might return false if it's in read-only mode.

Implemented in TextEditor, and CodeEditorComponent.

virtual Range<int> TextInputTarget::getHighlightedRegion ( ) const
pure virtual

Returns the extents of the selected text region, or an empty range if nothing is selected,.

Implemented in TextEditor, and CodeEditorComponent.

virtual void TextInputTarget::setHighlightedRegion ( const Range< int > &  newRange)
pure virtual

Sets the currently-selected text region.

Implemented in TextEditor, and CodeEditorComponent.

virtual void TextInputTarget::setTemporaryUnderlining ( const Array< Range< int > > &  underlinedRegions)
pure virtual

Sets a number of temporarily underlined sections.

This is needed by MS Windows input method UI.

Implemented in TextEditor, and CodeEditorComponent.

virtual String TextInputTarget::getTextInRange ( const Range< int > &  range) const
pure virtual

Returns a specified sub-section of the text.

Implemented in TextEditor, and CodeEditorComponent.

virtual void TextInputTarget::insertTextAtCaret ( const String textToInsert)
pure virtual

Inserts some text, overwriting the selected text region, if there is one.

Implemented in TextEditor, and CodeEditorComponent.

virtual Rectangle<int> TextInputTarget::getCaretRectangle ( )
pure virtual

Returns the position of the caret, relative to the component's origin.

Implemented in TextEditor, and CodeEditorComponent.


The documentation for this class was generated from the following file: