ui/motif/text.c

Fri, 11 Apr 2014 17:02:19 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Fri, 11 Apr 2014 17:02:19 +0200
changeset 30
34513f76d5a8
parent 29
c96169444d88
child 34
0ec8a5f17782
permissions
-rw-r--r--

added locale support (Motif)

5
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
4 * Copyright 2014 Olaf Wintermann. All rights reserved.
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include <stdio.h>
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30 #include <stdlib.h>
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 #include "text.h"
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 #include "container.h"
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
34
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35 UIWIDGET ui_textarea(UiObject *obj, UiText *value) {
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 UiContainer *ct = uic_get_current_container(obj);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37 int n = 0;
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38 Arg args[16];
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 //XtSetArg(args[n], XmNeditable, TRUE);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41 //n++;
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 XtSetArg(args[n], XmNeditMode, XmMULTI_LINE_EDIT);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43 n++;
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 Widget parent = ct->add(ct, args, &n);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
46 Widget text_area = XmCreateScrolledText(parent, "text_area", args, n);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47 XtManageChild(text_area);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48
22
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
49 UiTextArea *uitext = ucx_mempool_malloc(
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
50 obj->ctx->mempool,
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
51 sizeof(UiTextArea));
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
52 uitext->ctx = obj->ctx;
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
53 uitext->last_selection_state = 0;
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
54 XtAddCallback(
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
55 text_area,
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
56 XmNmotionVerifyCallback,
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
57 (XtCallbackProc)ui_text_selection_callback,
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
58 uitext);
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
59
5
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
60 // bind value
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
61 if(value) {
12
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
62 value->set = ui_textarea_set;
5
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 value->get = ui_textarea_get;
12
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
64 value->getsubstr = ui_textarea_getsubstr;
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
65 value->insert = ui_textarea_insert;
27
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
66 value->position = ui_textarea_position;
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
67 value->selection = ui_textarea_selection;
29
c96169444d88 added locale support (Cocoa) and ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 27
diff changeset
68 value->length = ui_textarea_length;
5
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69 value->value = NULL;
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70 value->obj = text_area;
9
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
71
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
72 if(!value->undomgr) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
73 value->undomgr = ui_create_undomgr();
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
74 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
75
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
76 XtAddCallback(
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
77 text_area,
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
78 XmNmodifyVerifyCallback,
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
79 (XtCallbackProc)ui_text_modify_callback,
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
80 value);
5
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81 }
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83 return text_area;
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 }
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86 char* ui_textarea_get(UiText *text) {
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87 if(text->value) {
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
88 XtFree(text->value);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
89 }
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90 char *str = XmTextGetString(text->obj);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
91 text->value = str;
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
92 return str;
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93 }
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 void ui_textarea_set(UiText *text, char *str) {
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96 if(text->value) {
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97 XtFree(text->value);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
98 }
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 text->value = NULL;
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 XmTextSetString(text->obj, str);
19d37cb9c96c added textarea
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101 }
9
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
102
12
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
103 char* ui_textarea_getsubstr(UiText *text, int begin, int end) {
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
104 if(text->value) {
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
105 XtFree(text->value);
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
106 }
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
107 int length = end - begin;
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
108 char *str = XtMalloc(length + 1);
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
109 XmTextGetSubstring(text->obj, begin, length, length + 1, str);
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
110 text->value = str;
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
111 return str;
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
112 }
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
113
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
114 void ui_textarea_insert(UiText *text, int pos, char *str) {
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
115 if(text->value) {
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
116 XtFree(text->value);
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
117 }
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
118 text->value = NULL;
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
119 XmTextInsert(text->obj, pos, str);
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
120 }
fe94e0fb9ef3 added some text functions
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 9
diff changeset
121
27
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
122 int ui_textarea_position(UiText *text) {
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
123 long begin;
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
124 long end;
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
125 XmTextGetSelectionPosition(text->obj, &begin, &end);
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
126 return begin;
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
127 }
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
128
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
129 void ui_textarea_selection(UiText *text, int *begin, int *end) {
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
130 XmTextGetSelectionPosition(text->obj, (long*)begin, (long*)end);
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
131 }
77b09bb52ca0 added groups for toolbar items and copy & paste (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 22
diff changeset
132
29
c96169444d88 added locale support (Cocoa) and ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 27
diff changeset
133 int ui_textarea_length(UiText *text) {
c96169444d88 added locale support (Cocoa) and ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 27
diff changeset
134 return (int)XmTextGetLastPosition(text->obj);
c96169444d88 added locale support (Cocoa) and ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 27
diff changeset
135 }
c96169444d88 added locale support (Cocoa) and ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 27
diff changeset
136
9
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
137 UiUndoMgr* ui_create_undomgr() {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
138 UiUndoMgr *mgr = malloc(sizeof(UiUndoMgr));
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
139 mgr->begin = NULL;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
140 mgr->cur = NULL;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
141 mgr->length = 0;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
142 mgr->event = 1;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
143 return mgr;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
144 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
145
22
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
146 void ui_text_selection_callback(
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
147 Widget widget,
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
148 UiTextArea *textarea,
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
149 XtPointer data)
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
150 {
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
151 long left = 0;
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
152 long right = 0;
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
153 XmTextGetSelectionPosition(widget, &left, &right);
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
154 int sel = left < right ? 1 : 0;
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
155 if(sel != textarea->last_selection_state) {
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
156 if(sel) {
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
157 ui_set_group(textarea->ctx, UI_GROUP_SELECTION);
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
158 } else {
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
159 ui_unset_group(textarea->ctx, UI_GROUP_SELECTION);
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
160 }
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
161 }
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
162 textarea->last_selection_state = sel;
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
163 }
bcf880b29bc3 textarea automatically sets selection group (GTK, Motif)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 12
diff changeset
164
9
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
165 void ui_text_modify_callback(Widget widget, UiText *value, XtPointer data) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
166 XmTextVerifyCallbackStruct *txv = (XmTextVerifyCallbackStruct*)data;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
167 int type = txv->text->length > 0 ? UI_TEXTBUF_INSERT : UI_TEXTBUF_DELETE;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
168 UiUndoMgr *mgr = value->undomgr;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
169 if(!mgr->event) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
170 return;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
171 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
172
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
173 char *text = txv->text->ptr;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
174 int length = txv->text->length;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
175
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
176 if(mgr->cur) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
177 UcxList *elm = mgr->cur->next;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
178 if(elm) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
179 mgr->cur->next = NULL;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
180 while(elm) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
181 elm->prev = NULL;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
182 UcxList *next = elm->next;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
183 ui_free_textbuf_op(elm->data);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
184 free(elm);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
185 elm = next;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
186 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
187 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
188
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
189 if(type == UI_TEXTBUF_INSERT) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
190 UiTextBufOp *last_op = mgr->cur->data;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
191 if(
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
192 last_op->type == UI_TEXTBUF_INSERT &&
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
193 ui_check_insertstr(last_op->text, last_op->len, text, length) == 0)
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
194 {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
195 // append text to last op
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
196 int ln = last_op->len;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
197 char *newtext = malloc(ln + length + 1);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
198 memcpy(newtext, last_op->text, ln);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
199 memcpy(newtext+ln, text, length);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
200 newtext[ln+length] = '\0';
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
201
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
202 last_op->text = newtext;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
203 last_op->len = ln + length;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
204 last_op->end += length;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
205
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
206 return;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
207 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
208 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
209 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
210
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
211 char *str;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
212 if(type == UI_TEXTBUF_INSERT) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
213 str = malloc(length + 1);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
214 memcpy(str, text, length);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
215 str[length] = 0;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
216 } else {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
217 length = txv->endPos - txv->startPos;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
218 str = malloc(length + 1);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
219 XmTextGetSubstring(value->obj, txv->startPos, length, length+1, str);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
220 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
221
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
222 UiTextBufOp *op = malloc(sizeof(UiTextBufOp));
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
223 op->type = type;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
224 op->start = txv->startPos;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
225 op->end = txv->endPos + 1;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
226 op->len = length;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
227 op->text = str;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
228
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
229 UcxList *elm = ucx_list_append(NULL, op);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
230 mgr->cur = elm;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
231 mgr->begin = ucx_list_concat(mgr->begin, elm);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
232 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
233
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
234 int ui_check_insertstr(char *oldstr, int oldlen, char *newstr, int newlen) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
235 // return 1 if oldstr + newstr are one word
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
236
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
237 int has_space = 0;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
238 for(int i=0;i<oldlen;i++) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
239 if(oldstr[i] < 33) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
240 has_space = 1;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
241 break;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
242 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
243 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
244
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
245 for(int i=0;i<newlen;i++) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
246 if(has_space && newstr[i] > 32) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
247 return 1;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
248 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
249 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
250
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
251 return 0;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
252 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
253
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
254 void ui_free_textbuf_op(UiTextBufOp *op) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
255 if(op->text) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
256 free(op->text);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
257 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
258 free(op);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
259 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
260
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
261
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
262 void ui_text_undo(UiText *value) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
263 UiUndoMgr *mgr = value->undomgr;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
264
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
265 if(mgr->cur) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
266 UiTextBufOp *op = mgr->cur->data;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
267 mgr->event = 0;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
268 switch(op->type) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
269 case UI_TEXTBUF_INSERT: {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
270 XmTextReplace(value->obj, op->start, op->end, "");
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
271 break;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
272 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
273 case UI_TEXTBUF_DELETE: {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
274 XmTextInsert(value->obj, op->start, op->text);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
275 break;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
276 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
277 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
278 mgr->event = 1;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
279 mgr->cur = mgr->cur->prev;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
280 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
281 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
282
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
283 void ui_text_redo(UiText *value) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
284 UiUndoMgr *mgr = value->undomgr;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
285
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
286 UcxList *elm = NULL;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
287 if(mgr->cur) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
288 if(mgr->cur->next) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
289 elm = mgr->cur->next;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
290 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
291 } else if(mgr->begin) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
292 elm = mgr->begin;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
293 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
294
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
295 if(elm) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
296 UiTextBufOp *op = elm->data;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
297 mgr->event = 0;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
298 switch(op->type) {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
299 case UI_TEXTBUF_INSERT: {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
300 XmTextInsert(value->obj, op->start, op->text);
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
301 break;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
302 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
303 case UI_TEXTBUF_DELETE: {
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
304 XmTextReplace(value->obj, op->start, op->end, "");
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
305 break;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
306 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
307 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
308 mgr->event = 1;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
309 mgr->cur = elm;
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
310 }
e70e855cea89 added undo and redo for motif
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
311 }

mercurial