ui/gtk/text.h

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1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2017 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 #include "../common/context.h"
36
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40
41 #define UI_TEXTBUF_INSERT 0
42 #define UI_TEXTBUF_DELETE 1
43 typedef struct UiTextBufOp {
44 int type; // UI_TEXTBUF_INSERT, UI_TEXTBUF_DELETE
45 int start;
46 int end;
47 int len;
48 char *text;
49 } UiTextBufOp;
50
51 typedef struct UiUndoMgr {
52 UcxList *begin;
53 UcxList *cur;
54 int length;
55 int event;
56 } UiUndoMgr;
57
58 typedef struct UiTextArea {
59 UiContext *ctx;
60 UiVar *var;
61 int last_selection_state;
62 } UiTextArea;
63
64 typedef struct UiTextField {
65 UiContext *ctx;
66 UiVar *var;
67 // TODO: validatefunc
68 } UiTextField;
69
70 UIWIDGET ui_textarea_var(UiObject *obj, UiVar *var);
71 void ui_textarea_destroy(GtkWidget *object, UiTextArea *textarea);
72
73 char* ui_textarea_get(UiText *text);
74 void ui_textarea_set(UiText *text, char *str);
75 char* ui_textarea_getsubstr(UiText *text, int begin, int end);
76 void ui_textarea_insert(UiText *text, int pos, char *str);
77 void ui_textarea_setposition(UiText *text, int pos);
78 int ui_textarea_position(UiText *text);
79 void ui_textarea_selection(UiText *text, int *begin, int *end);
80 int ui_textarea_length(UiText *text);
81 void ui_textarea_remove(UiText *text, int begin, int end);
82
83 void ui_textarea_realize_event(GtkWidget *widget, gpointer data);
84 void ui_textbuf_changed(GtkTextBuffer *textbuffer, UiTextArea *textarea);
85
86 void ui_textbuf_insert(
87 GtkTextBuffer *textbuffer,
88 GtkTextIter *location,
89 char *text,
90 int len,
91 void *data);
92 void ui_textbuf_delete(
93 GtkTextBuffer *textbuffer,
94 GtkTextIter *start,
95 GtkTextIter *end,
96 void *data);
97 UiUndoMgr* ui_create_undomgr();
98 void ui_free_textbuf_op(UiTextBufOp *op);
99 int ui_check_insertstr(char *oldstr, int oldlen, char *newstr, int newlen);
100
101 void ui_textfield_destroy(GtkWidget *object, UiTextField *textfield);
102 void ui_textfield_changed(GtkEditable *editable, UiTextField *textfield);
103
104 char* ui_textfield_get(UiString *str);
105 void ui_textfield_set(UiString *str, char *value);
106
107 #ifdef __cplusplus
108 }
109 #endif
110
111 #endif /* TEXT_H */
112

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