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- /*
-
- Ronin Consulting, Inc.
- Copyright (C) 1992, Nicholas Christopher (nwc@gun.com)
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- */
- #import "EnhancedText.h"
- #import <appkit/nextstd.h>
- #import <string.h>
-
- static char *returnBuffer = (char *)0;
-
- @implementation Text (EnhancedText)
-
- - appendString: (const char *) str
- {
- int len;
-
- len = [self textLength];
- [self setSel: len : len];
- [self replaceSel: str];
- [self scrollSelToVisible];
-
- return self;
- }
-
- - empty: sender
- {
- BOOL editable, selectable;
-
- // [self setSel: 0 : [self textLength] + 1 ]; /* select the entire text */
- [self selectAll: sender];
-
- /*
- * To delete the text must be editable so copy aside the current
- * editable and selectable settings, set the text editable, delete
- * and then restore the copied aside values.
- */
- editable = [self isEditable];
- selectable = [self isSelectable];
-
- [self setEditable: YES];
- [self delete: sender];
-
- [self setEditable: editable];
- [self setSelectable: selectable];
-
- return self;
- }
-
- - (const char *) selectedText
- {
- NXSelPt start, end;
- int numChars;
-
- [self getSel: &start : &end];
- numChars = end.cp - start.cp;
-
- if(returnBuffer)
- {
- NX_FREE(returnBuffer);
- returnBuffer = (char *)0;
- }
-
- NX_MALLOC(returnBuffer, char, numChars + 1);
-
- [self getSubstring: returnBuffer start: start.cp length: numChars];
- returnBuffer[numChars] = (char)0;
-
- return (const char *)returnBuffer;
- }
-
- - (const char *) stringValue
- {
- [self selectAll: self];
- return [self selectedText];
- }
-
- @end
-