1 // SPDX-License-Identifier: GPL-2.0
2 #include <signal.h>
3 #include <stdbool.h>
4 #include <string.h>
5 #include <stdlib.h>
6 #include <sys/ttydefaults.h>
7
8 #include "../browser.h"
9 #include "../keysyms.h"
10 #include "../helpline.h"
11 #include "../ui.h"
12 #include "../util.h"
13 #include "../libslang.h"
14
ui_browser__argv_write(struct ui_browser * browser,void * entry,int row)15 static void ui_browser__argv_write(struct ui_browser *browser,
16 void *entry, int row)
17 {
18 char **arg = entry;
19 bool current_entry = ui_browser__is_current_entry(browser, row);
20
21 ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
22 HE_COLORSET_NORMAL);
23 ui_browser__write_nstring(browser, *arg, browser->width);
24 }
25
popup_menu__run(struct ui_browser * menu,int * keyp)26 static int popup_menu__run(struct ui_browser *menu, int *keyp)
27 {
28 int key;
29
30 if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0)
31 return -1;
32
33 while (1) {
34 key = ui_browser__run(menu, 0);
35
36 switch (key) {
37 case K_RIGHT:
38 case K_ENTER:
39 key = menu->index;
40 break;
41 case K_LEFT:
42 case K_ESC:
43 case 'q':
44 case CTRL('c'):
45 key = -1;
46 break;
47 default:
48 if (keyp) {
49 *keyp = key;
50 key = menu->nr_entries;
51 break;
52 }
53 continue;
54 }
55
56 break;
57 }
58
59 ui_browser__hide(menu);
60 return key;
61 }
62
ui__popup_menu(int argc,char * const argv[],int * keyp)63 int ui__popup_menu(int argc, char * const argv[], int *keyp)
64 {
65 struct ui_browser menu = {
66 .entries = (void *)argv,
67 .refresh = ui_browser__argv_refresh,
68 .seek = ui_browser__argv_seek,
69 .write = ui_browser__argv_write,
70 .nr_entries = argc,
71 };
72 return popup_menu__run(&menu, keyp);
73 }
74
ui_browser__input_window(const char * title,const char * text,char * input,const char * exit_msg,int delay_secs)75 int ui_browser__input_window(const char *title, const char *text, char *input,
76 const char *exit_msg, int delay_secs)
77 {
78 int x, y, len, key;
79 int max_len = 60, nr_lines = 0;
80 static char buf[50];
81 const char *t;
82
83 t = text;
84 while (1) {
85 const char *sep = strchr(t, '\n');
86
87 if (sep == NULL)
88 sep = strchr(t, '\0');
89 len = sep - t;
90 if (max_len < len)
91 max_len = len;
92 ++nr_lines;
93 if (*sep == '\0')
94 break;
95 t = sep + 1;
96 }
97
98 mutex_lock(&ui__lock);
99
100 max_len += 2;
101 nr_lines += 8;
102 y = SLtt_Screen_Rows / 2 - nr_lines / 2;
103 x = SLtt_Screen_Cols / 2 - max_len / 2;
104
105 SLsmg_set_color(0);
106 SLsmg_draw_box(y, x++, nr_lines, max_len);
107 if (title) {
108 SLsmg_gotorc(y, x + 1);
109 SLsmg_write_string(title);
110 }
111 SLsmg_gotorc(++y, x);
112 nr_lines -= 7;
113 max_len -= 2;
114 SLsmg_write_wrapped_string((unsigned char *)text, y, x,
115 nr_lines, max_len, 1);
116 y += nr_lines;
117 len = 5;
118 while (len--) {
119 SLsmg_gotorc(y + len - 1, x);
120 SLsmg_write_nstring(" ", max_len);
121 }
122 SLsmg_draw_box(y++, x + 1, 3, max_len - 2);
123
124 SLsmg_gotorc(y + 3, x);
125 SLsmg_write_nstring(exit_msg, max_len);
126 SLsmg_refresh();
127
128 mutex_unlock(&ui__lock);
129
130 x += 2;
131 len = 0;
132 key = ui__getch(delay_secs);
133 while (key != K_TIMER && key != K_ENTER && key != K_ESC) {
134 mutex_lock(&ui__lock);
135
136 if (key == K_BKSPC) {
137 if (len == 0) {
138 mutex_unlock(&ui__lock);
139 goto next_key;
140 }
141 SLsmg_gotorc(y, x + --len);
142 SLsmg_write_char(' ');
143 } else {
144 buf[len] = key;
145 SLsmg_gotorc(y, x + len++);
146 SLsmg_write_char(key);
147 }
148 SLsmg_refresh();
149
150 mutex_unlock(&ui__lock);
151
152 /* XXX more graceful overflow handling needed */
153 if (len == sizeof(buf) - 1) {
154 ui_helpline__push("maximum size of symbol name reached!");
155 key = K_ENTER;
156 break;
157 }
158 next_key:
159 key = ui__getch(delay_secs);
160 }
161
162 buf[len] = '\0';
163 strncpy(input, buf, len+1);
164 return key;
165 }
166
__ui__info_window(const char * title,const char * text,const char * exit_msg)167 void __ui__info_window(const char *title, const char *text, const char *exit_msg)
168 {
169 int x, y;
170 int max_len = 0, nr_lines = 0;
171 const char *t;
172
173 t = text;
174 while (1) {
175 const char *sep = strchr(t, '\n');
176 int len;
177
178 if (sep == NULL)
179 sep = strchr(t, '\0');
180 len = sep - t;
181 if (max_len < len)
182 max_len = len;
183 ++nr_lines;
184 if (*sep == '\0')
185 break;
186 t = sep + 1;
187 }
188
189 max_len += 2;
190 nr_lines += 2;
191 if (exit_msg)
192 nr_lines += 2;
193 y = SLtt_Screen_Rows / 2 - nr_lines / 2,
194 x = SLtt_Screen_Cols / 2 - max_len / 2;
195
196 SLsmg_set_color(0);
197 SLsmg_draw_box(y, x++, nr_lines, max_len);
198 if (title) {
199 SLsmg_gotorc(y, x + 1);
200 SLsmg_write_string(title);
201 }
202 SLsmg_gotorc(++y, x);
203 if (exit_msg)
204 nr_lines -= 2;
205 max_len -= 2;
206 SLsmg_write_wrapped_string((unsigned char *)text, y, x,
207 nr_lines, max_len, 1);
208 if (exit_msg) {
209 SLsmg_gotorc(y + nr_lines - 2, x);
210 SLsmg_write_nstring(" ", max_len);
211 SLsmg_gotorc(y + nr_lines - 1, x);
212 SLsmg_write_nstring(exit_msg, max_len);
213 }
214 }
215
ui__info_window(const char * title,const char * text)216 void ui__info_window(const char *title, const char *text)
217 {
218 mutex_lock(&ui__lock);
219 __ui__info_window(title, text, NULL);
220 SLsmg_refresh();
221 mutex_unlock(&ui__lock);
222 }
223
ui__question_window(const char * title,const char * text,const char * exit_msg,int delay_secs)224 int ui__question_window(const char *title, const char *text,
225 const char *exit_msg, int delay_secs)
226 {
227 mutex_lock(&ui__lock);
228 __ui__info_window(title, text, exit_msg);
229 SLsmg_refresh();
230 mutex_unlock(&ui__lock);
231 return ui__getch(delay_secs);
232 }
233
ui__help_window(const char * text)234 int ui__help_window(const char *text)
235 {
236 return ui__question_window("Help", text, "Press any key...", 0);
237 }
238
ui__dialog_yesno(const char * msg)239 int ui__dialog_yesno(const char *msg)
240 {
241 return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0);
242 }
243
__ui__warning(const char * title,const char * format,va_list args)244 static int __ui__warning(const char *title, const char *format, va_list args)
245 {
246 char *s;
247
248 if (vasprintf(&s, format, args) > 0) {
249 int key;
250
251 key = ui__question_window(title, s, "Press any key...", 0);
252 free(s);
253 return key;
254 }
255
256 fprintf(stderr, "%s\n", title);
257 vfprintf(stderr, format, args);
258 return K_ESC;
259 }
260
perf_tui__error(const char * format,va_list args)261 static int perf_tui__error(const char *format, va_list args)
262 {
263 return __ui__warning("Error:", format, args);
264 }
265
perf_tui__warning(const char * format,va_list args)266 static int perf_tui__warning(const char *format, va_list args)
267 {
268 return __ui__warning("Warning:", format, args);
269 }
270
271 struct perf_error_ops perf_tui_eops = {
272 .error = perf_tui__error,
273 .warning = perf_tui__warning,
274 };
275