1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2014 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #import "../ui/text.h"
30 #import "toolkit.h"
31 #import <ucx/list.h>
32
33 @interface TextChangeMgr : NSObject<NSTextViewDelegate> {
34 UiContext *context;
35 UiText *value;
36 int last_length;
37 }
38
39 - (TextChangeMgr*)initWithValue:(UiText*)text context:(UiContext*)ctx;
40
41 - (NSUndoManager*)undoManagerForTextView:(NSTextView*)textview;
42
43 @end
44
45 #define UI_TEXTBUF_INSERT 0
46 #define UI_TEXTBUF_DELETE 1
47 typedef struct UiTextBufOp {
48 int type; // UI_TEXTBUF_INSERT, UI_TEXTBUF_DELETE
49 int start;
50 int end;
51 int len;
52 char *text;
53 } UiTextBufOp;
54
55
56
57 char* ui_textarea_get(UiText *text);
58 void ui_textarea_set(UiText *text, char *str);
59 char* ui_textarea_getsubstr(UiText *text, int begin, int end);
60 void ui_textarea_insert(UiText *text, int pos, char *str);
61 int ui_textarea_position(UiText *text);
62 void ui_textarea_selection(UiText *text, int *begin, int *end);
63 int ui_textarea_length(UiText *text);
64