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- #import "textundo.h"
-
- @implementation WholeTextChange
-
- /*
- * This is another variant of a TextSelChange which always records the entire
- * contents of the text object. This is useful when a particular kind of
- * change isn't restricted to the current selection. Examples include ruler
- * changes for tabs and margins, and characters entered from the keyboard.
- */
-
- - saveBeforeChange
- {
- NXSelPt start, end;
-
- [textView getSel:&start :&end];
-
- oldSel = [[[CutSelection alloc] initText:textView
- start:0
- end:[textView textLength]] capture];
- [oldSel setVisible:start.cp :end.cp];
- return self;
- }
-
- - saveAfterChange
- {
- NXSelPt start, end;
-
- [textView getSel:&start :&end];
-
- newSel = [[[CutSelection alloc] initText:textView
- start:0
- end:[textView textLength]] capture];
- [newSel setVisible:start.cp :end.cp];
- return self;
- }
-
- - setStart:(int)start end:(int)end
- {
- [newSel setVisible:start :end];
- return self;
- }
-
- @end
-