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FLTK 1.3.4
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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 |
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.
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inline |
Return the byte offset to the character after the last selected character.
| int Fl_Text_Selection::position | ( | int * | start, |
| int * | end | ||
| ) | const |
Return the positions of this selection.
| start | return byte offset to first selected character |
| end | return byte offset pointing after last selected character |
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inline |
Returns true if any text is selected.
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inline |
Modify the 'selected' flag.
| b | new flag |
| void Fl_Text_Selection::set | ( | int | start, |
| int | end | ||
| ) |
Set the selection range.
| start | byte offset to first selected character |
| end | byte offset pointing after last selected character |
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inline |
Return the byte offset to the first selected character.
| 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
| 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 |