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Annotation of Examples/AppKit/Draw/textUndo.subproj/WholeTextChange.m, revision 1.1.1.1

1.1       root        1: #import "textundo.h"
                      2: 
                      3: @implementation WholeTextChange
                      4: 
                      5: /*
                      6:  * This is another variant of a TextSelChange which always records the entire
                      7:  * contents of the text object. This is useful when a particular kind of
                      8:  * change isn't restricted to the current selection. Examples include ruler
                      9:  * changes for tabs and margins, and characters entered from the keyboard.
                     10:  */
                     11: 
                     12: - saveBeforeChange
                     13: {
                     14:     NXSelPt start, end;
                     15: 
                     16:     [textView getSel:&start :&end];
                     17: 
                     18:     oldSel = [[[CutSelection alloc] initText:textView
                     19:                                       start:0
                     20:                                         end:[textView textLength]] capture];
                     21:     [oldSel setVisible:start.cp :end.cp];
                     22:     return self;
                     23: }
                     24: 
                     25: - saveAfterChange
                     26: {
                     27:     NXSelPt start, end;
                     28: 
                     29:     [textView getSel:&start :&end];
                     30: 
                     31:     newSel = [[[CutSelection alloc] initText:textView
                     32:                                       start:0
                     33:                                         end:[textView textLength]] capture];
                     34:     [newSel setVisible:start.cp :end.cp];
                     35:     return self;
                     36: }
                     37: 
                     38: - setStart:(int)start end:(int)end
                     39: {
                     40:     [newSel setVisible:start :end];
                     41:     return self;
                     42: }
                     43: 
                     44: @end

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