1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
/*
* lib_slk.c
* Soft key routines.
*
* Copyright (C) Gerhard Fuernkranz 1993
* Permisson is granted to redistribute this
* code under the terms of the GNU Copyleft.
*/
#include "terminfo.h"
#include "curses.priv.h"
#include <string.h>
#include <stdlib.h>
int _slk_format; /* format specified in slk_init() */
#define MAXCOLUMNS 135
#define MAXLINES 66
#define UNINITIALISED ((struct try * ) -1)
/*
* Retrieve label text.
*/
char *
slk_label(int n)
{
SLK *slk = SP->_slk;
T(("slk_label(%d)", n));
if (slk == NULL || n < 1 || n > 8)
return NULL;
return slk->ent[n-1].text;
}
/*
* Write the soft lables to the slk window.
*/
static void
slk_intern_refresh(SLK *slk)
{
int i;
T(("slk_intern_refresh(%x)", slk));
for (i = 0; i < 8; i++) {
if (slk->dirty || slk->ent[i].dirty) {
if (slk->ent[i].visible) {
wmove(slk->win,0,slk->ent[i].x);
wattrset(slk->win,A_REVERSE);
waddstr(slk->win,slk->ent[i].form_text);
wattrset(slk->win,A_NORMAL);
}
slk->ent[i].dirty = FALSE;
}
}
slk->dirty = FALSE;
}
/*
* Refresh the soft label window.
*/
int
slk_noutrefresh(void)
{
SLK *slk = SP->_slk;
T(("slk_noutrefresh()"));
if (slk == NULL)
return ERR;
if (slk->hidden)
return OK;
slk_intern_refresh(slk);
return wnoutrefresh(slk->win);
}
/*
* Refresh the soft label window.
*/
int
slk_refresh(void)
{
SLK *slk = SP->_slk;
T(("slk_refresh()"));
if (slk == NULL)
return ERR;
if (slk->hidden)
return OK;
slk_intern_refresh(slk);
return wrefresh(slk->win);
}
/*
* Restore the soft labels on the screen.
*/
int
slk_restore(void)
{
SLK *slk = SP->_slk;
T(("slk_restore()"));
if (slk == NULL)
return ERR;
slk->hidden = FALSE;
slk->dirty = TRUE;
return slk_refresh();
}
/*
* Set soft label text.
*/
int
slk_set(int i, char *str, int format)
{
SLK *slk = SP->_slk;
int len;
T(("slk_set(%d, \"%s\", %d)", i, str, format));
if (slk == NULL || i < 1 || i > 8 || format < 0 || format > 2)
return ERR;
if (str == NULL)
str = "";
i--;
strncpy(slk->ent[i].text,str,8);
memset(slk->ent[i].form_text,' ',8);
slk->ent[i].text[8] = 0;
slk->ent[i].form_text[8] = 0;
len = strlen(slk->ent[i].text);
switch(format) {
case 0: /* left */
memcpy(slk->ent[i].form_text,slk->ent[i].text,len);
break;
case 1: /* center */
memcpy(slk->ent[i].form_text+(8-len)/2,slk->ent[i].text,len);
break;
case 2: /* right */
memcpy(slk->ent[i].form_text+8-len,slk->ent[i].text,len);
break;
}
slk->ent[i].dirty = TRUE;
return OK;
}
/*
* Pretend, that soft keys have been changed.
*/
int
slk_touch(void)
{
SLK *slk = SP->_slk;
T(("slk_touch()"));
if (slk == NULL)
return ERR;
slk->dirty = TRUE;
return OK;
}
/*
* Remove soft labels from the screen.
*/
int
slk_clear(void)
{
SLK *slk = SP->_slk;
T(("slk_clear()"));
if (slk == NULL)
return ERR;
slk->hidden = TRUE;
/* For simulated SLK's it's looks much more natural to
inherit those attributes from the standard screen */
slk->win->_bkgd = stdscr->_bkgd;
slk->win->_attrs = stdscr->_attrs;
werase(slk->win);
return wrefresh(slk->win);
}
/*
* Initialize soft labels.
* Called from newterm()
*/
static int
slk_initialize(WINDOW *stwin, int cols)
{
SLK *slk;
int i, maxlab, x;
T(("slk_initialize()"));
if ((SP->_slk = slk = (SLK*) calloc(1,sizeof(SLK))) == NULL)
return OK;
maxlab = (cols+1)/9;
for (i = 0; i < 8; i++) {
memset(slk->ent[i].form_text,' ',8);
slk->ent[i].visible = i < maxlab;
}
if (_slk_format == 1) { /* 4-4 */
int gap = cols - 64 - 6;
if (gap < 1)
gap = 1;
for (i = x = 0; i < 8; i++) {
slk->ent[i].x = x;
x += 8;
x += (i == 3) ? gap : 1;
}
}
else { /* 0 -> 3-2-3 */
int gap = (cols - 64 - 5) / 2;
if (gap < 1)
gap = 1;
for (i = x = 0; i < 8; i++) {
slk->ent[i].x = x;
x += 8;
x += (i == 2 || i == 4) ? gap : 1;
}
}
slk->dirty = TRUE;
if ((slk->win = stwin) == NULL)
{
free(slk);
return ERR;
}
return OK;
}
/*
* Initialize soft labels.
* Called by the user.
*/
int
slk_init(int format)
{
if (format < 0 || format > 1)
return ERR;
_slk_format = format;
ripoffline(-1, slk_initialize);
return OK;
}
|
