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 #ifndef TEXT_H
30 #define TEXT_H
31
32 #include "../ui/text.h"
33 #include "toolkit.h"
34 #include <ucx/list.h>
35
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39
40 #define UI_TEXTBUF_INSERT 0
41 #define UI_TEXTBUF_DELETE 1
42 typedef struct UiTextBufOp {
43 int type; // UI_TEXTBUF_INSERT, UI_TEXTBUF_DELETE
44 int start;
45 int end;
46 int len;
47 char *text;
48 } UiTextBufOp;
49
50 typedef struct UiUndoMgr {
51 UcxList *begin;
52 UcxList *cur;
53 int length;
54 int event;
55 } UiUndoMgr;
56
57 typedef struct UiTextArea {
58 UiContext *ctx;
59 int last_selection_state;
60 } UiTextArea;
61
62 char* ui_textarea_get(UiText *text);
63 void ui_textarea_set(UiText *text, char *str);
64 char* ui_textarea_getsubstr(UiText *text, int begin, int end);
65 void ui_textarea_insert(UiText *text, int pos, char *str);
66 void ui_textarea_setposition(UiText *text, int pos);
67 int ui_textarea_position(UiText *text);
68 void ui_textarea_selection(UiText *text, int *begin, int *end);
69 int ui_textarea_length(UiText *text);
70
71 UiUndoMgr* ui_create_undomgr();
72 void ui_text_selection_callback(
73 Widget widget,
74 UiTextArea *textarea,
75 XtPointer data);
76 void ui_text_modify_callback(Widget widget, UiVar *var, XtPointer data);
77 int ui_check_insertstr(char *oldstr, int oldlen, char *newstr, int newlen);
78 void ui_free_textbuf_op(UiTextBufOp *op);
79
80 char* ui_textfield_get(UiString *str);
81 void ui_textfield_set(UiString *str, char *value);
82
83 #ifdef __cplusplus
84 }
85 #endif
86
87 #endif /* TEXT_H */
88
89