Fl_Text_Selection Class Reference

This is an internal class for Fl_Text_Buffer to manage text selections. More...

#include <Fl_Text_Buffer.H>

Public Member Functions
int	end () const
	Return the byte offset to the character after the last selected character. More...
int	includes (int pos) const
	Return true if position pos with indentation dispIndex is in the Fl_Text_Selection.
int	position (int *start, int *end) const
	Return the positions of this selection. More...
bool	selected () const
	Returns true if any text is selected. More...
void	selected (bool b)
	Modify the 'selected' flag. More...
void	set (int start, int end)
	Set the selection range. More...
int	start () const
	Return the byte offset to the first selected character. More...
void	update (int pos, int nDeleted, int nInserted)
	Updates a selection after text was modified. More...

Protected Attributes
int	mEnd
	byte offset to the character after the last selected character
bool	mSelected
	this flag is set if any text is selected
int	mStart
	byte offset to the first selected character

Friends
class	Fl_Text_Buffer

Detailed Description

This is an internal class for Fl_Text_Buffer to manage text selections.

This class works correctly with UTF-8 strings assuming that the parameters for all calls are on character boundaries.

Member Function Documentation

end()

int Fl_Text_Selection::end ( ) const

inline

Return the byte offset to the character after the last selected character.

Returns

byte offset

position()

int Fl_Text_Selection::position	(	int *	start,
		int *	end
	)		const

Return the positions of this selection.

Parameters

start	return byte offset to first selected character
end	return byte offset pointing after last selected character

Returns

true if selected

selected() [1/2]

bool Fl_Text_Selection::selected ( ) const

inline

Returns true if any text is selected.

Returns

a non-zero number if any text has been selected, or 0 if no text is selected.

selected() [2/2]

void Fl_Text_Selection::selected ( bool  b )

inline

Modify the 'selected' flag.

Parameters

b

new flag

set()

void Fl_Text_Selection::set	(	int	start,
		int	end
	)

Set the selection range.

Parameters

start	byte offset to first selected character
end	byte offset pointing after last selected character

start()

int Fl_Text_Selection::start ( ) const

inline

Return the byte offset to the first selected character.

Returns

byte offset

update()

void Fl_Text_Selection::update	(	int	pos,
		int	nDeleted,
		int	nInserted
	)

Updates a selection after text was modified.

Updates an individual selection for changes in the corresponding text

Parameters

pos	byte offset into text buffer at which the change occurred
nDeleted	number of bytes deleted from the buffer
nInserted	number of bytes inserted into the buffer

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

• Fl_Text_Buffer.H
• Fl_Text_Buffer.cxx