1 /*
2 * $Id$
3 *
4 * (c) 2004 by Kalle Wallin <kaw@linux.se>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
21 #include "screen_utils.h"
22 #include "screen.h"
23 #include "mpdclient.h"
24 #include "config.h"
25 #include "ncmpc.h"
26 #include "support.h"
27 #include "options.h"
28 #include "colors.h"
29 #include "wreadln.h"
31 #include <stdlib.h>
32 #include <unistd.h>
33 #include <string.h>
35 #define FIND_PROMPT _("Find: ")
36 #define RFIND_PROMPT _("Find backward: ")
38 void
39 screen_bell(void)
40 {
41 if (options.audible_bell)
42 beep();
43 if (options.visible_bell)
44 flash();
45 }
47 int
48 screen_getch(WINDOW *w, const char *prompt)
49 {
50 int key = -1;
51 int prompt_len = strlen(prompt);
53 colors_use(w, COLOR_STATUS_ALERT);
54 wclear(w);
55 wmove(w, 0, 0);
56 waddstr(w, prompt);
57 wmove(w, 0, prompt_len);
59 echo();
60 curs_set(1);
62 while ((key=my_wgetch(w)) == ERR)
63 ;
65 #ifdef HAVE_GETMOUSE
66 /* ignore mouse events */
67 if (key == KEY_MOUSE)
68 return screen_getch(w, prompt);
69 #endif
71 noecho();
72 curs_set(0);
74 return key;
75 }
77 char *
78 screen_readln(WINDOW *w,
79 const char *prompt,
80 const char *value,
81 GList **history,
82 GCompletion *gcmp)
83 {
84 char *line = NULL;
86 wmove(w, 0,0);
87 curs_set(1);
88 colors_use(w, COLOR_STATUS_ALERT);
89 line = wreadln(w, prompt, value, COLS, history, gcmp);
90 curs_set(0);
91 return line;
92 }
94 char *
95 screen_getstr(WINDOW *w, const char *prompt)
96 {
97 return screen_readln(w, prompt, NULL, NULL, NULL);
98 }
100 static char *
101 screen_read_password(WINDOW *w, const char *prompt)
102 {
103 char *ret;
105 if (w == NULL) {
106 int rows, cols;
107 getmaxyx(stdscr, rows, cols);
108 /* create window for input */
109 w = newwin(1, cols, rows-1, 0);
110 leaveok(w, FALSE);
111 keypad(w, TRUE);
112 }
114 wmove(w, 0,0);
115 curs_set(1);
116 colors_use(w, COLOR_STATUS_ALERT);
118 if (prompt == NULL)
119 prompt = _("Password: ");
120 ret = wreadln_masked(w, prompt, NULL, COLS, NULL, NULL);
122 curs_set(0);
123 return ret;
124 }
126 static gint
127 _screen_auth(struct mpdclient *c, gint recursion)
128 {
129 mpd_clearError(c->connection);
130 if (recursion > 2)
131 return 1;
132 mpd_sendPasswordCommand(c->connection, screen_read_password(NULL, NULL));
133 mpd_finishCommand(c->connection);
134 mpdclient_update(c);
135 if (c->connection->errorCode == MPD_ACK_ERROR_PASSWORD)
136 return _screen_auth(c, ++recursion);
137 return 0;
138 }
140 gint
141 screen_auth(struct mpdclient *c)
142 {
143 gint ret = _screen_auth(c, 0);
144 mpdclient_update(c);
145 curs_set(0);
146 return ret;
147 }
149 /* query user for a string and find it in a list window */
150 int
151 screen_find(screen_t *screen,
152 list_window_t *lw,
153 int rows,
154 command_t findcmd,
155 list_window_callback_fn_t callback_fn,
156 void *callback_data)
157 {
158 int reversed = 0;
159 int retval = 0;
160 const char *prompt = FIND_PROMPT;
161 char *value = options.find_show_last_pattern ? (char *) -1 : NULL;
163 if (findcmd == CMD_LIST_RFIND || findcmd == CMD_LIST_RFIND_NEXT) {
164 prompt = RFIND_PROMPT;
165 reversed = 1;
166 }
168 switch (findcmd) {
169 case CMD_LIST_FIND:
170 case CMD_LIST_RFIND:
171 if (screen->findbuf) {
172 g_free(screen->findbuf);
173 screen->findbuf=NULL;
174 }
175 /* continue... */
177 case CMD_LIST_FIND_NEXT:
178 case CMD_LIST_RFIND_NEXT:
179 if (!screen->findbuf)
180 screen->findbuf=screen_readln(screen->status_window.w,
181 prompt,
182 value,
183 &screen->find_history,
184 NULL);
186 if (!screen->findbuf || !screen->findbuf[0])
187 return 1;
189 if (reversed)
190 retval = list_window_rfind(lw,
191 callback_fn,
192 callback_data,
193 screen->findbuf,
194 options.find_wrap,
195 rows);
196 else
197 retval = list_window_find(lw,
198 callback_fn,
199 callback_data,
200 screen->findbuf,
201 options.find_wrap);
203 if (retval == 0)
204 lw->repaint = 1;
205 else {
206 screen_status_printf(_("Unable to find \'%s\'"), screen->findbuf);
207 screen_bell();
208 }
209 return 1;
210 default:
211 break;
212 }
213 return 0;
214 }
216 void
217 screen_display_completion_list(screen_t *screen, GList *list)
218 {
219 static GList *prev_list = NULL;
220 static guint prev_length = 0;
221 static guint offset = 0;
222 WINDOW *w = screen->main_window.w;
223 guint length, y=0;
225 length = g_list_length(list);
226 if (list == prev_list && length == prev_length) {
227 offset += screen->main_window.rows;
228 if (offset >= length)
229 offset = 0;
230 } else {
231 prev_list = list;
232 prev_length = length;
233 offset = 0;
234 }
236 colors_use(w, COLOR_STATUS_ALERT);
237 while (y < screen->main_window.rows) {
238 GList *item = g_list_nth(list, y+offset);
240 wmove(w, y++, 0);
241 wclrtoeol(w);
242 if (item) {
243 gchar *tmp = g_strdup(item->data);
244 waddstr(w, basename(tmp));
245 g_free(tmp);
246 }
247 }
249 wrefresh(w);
250 doupdate();
251 colors_use(w, COLOR_LIST);
252 }
254 void
255 set_xterm_title(const char *format, ...)
256 {
257 /* the current xterm title exists under the WM_NAME property */
258 /* and can be retreived with xprop -id $WINDOWID */
260 if (options.enable_xterm_title) {
261 if (g_getenv("WINDOWID")) {
262 char *msg;
263 va_list ap;
265 va_start(ap,format);
266 msg = g_strdup_vprintf(format,ap);
267 va_end(ap);
268 printf("%c]0;%s%c", '\033', msg, '\007');
269 g_free(msg);
270 } else
271 options.enable_xterm_title = FALSE;
272 }
273 }