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);
61 timeout(-1);
63 while( (key=my_wgetch(w)) == ERR )
64 ;
66 #ifdef HAVE_GETMOUSE
67 /* ignore mouse events */
68 if( key==KEY_MOUSE )
69 return screen_getch(w, prompt);
70 #endif
72 noecho();
73 curs_set(0);
74 timeout(SCREEN_TIMEOUT);
76 return key;
77 }
79 char *
80 screen_readln(WINDOW *w,
81 const char *prompt,
82 const char *value,
83 GList **history,
84 GCompletion *gcmp)
85 {
86 char *line = NULL;
88 wmove(w, 0,0);
89 curs_set(1);
90 colors_use(w, COLOR_STATUS_ALERT);
91 line = wreadln(w, prompt, value, COLS, history, gcmp);
92 curs_set(0);
93 return line;
94 }
96 char *
97 screen_getstr(WINDOW *w, const char *prompt)
98 {
99 return screen_readln(w, prompt, NULL, NULL, NULL);
100 }
102 static char *
103 screen_read_password(WINDOW *w, const char *prompt)
104 {
105 if(w == NULL)
106 {
107 int rows, cols;
108 getmaxyx(stdscr, rows, cols);
109 /* create window for input */
110 w = newwin(1, cols, rows-1, 0);
111 leaveok(w, FALSE);
112 keypad(w, TRUE);
113 }
114 wmove(w, 0,0);
115 curs_set(1);
116 colors_use(w, COLOR_STATUS_ALERT);
117 if(prompt == NULL)
118 return wreadln_masked(w, _("Password: "), NULL, COLS, NULL, NULL);
119 else
120 return wreadln_masked(w, prompt, NULL, COLS, NULL, NULL);
121 curs_set(0);
122 }
124 static gint
125 _screen_auth(struct mpdclient *c, gint recursion)
126 {
127 mpd_clearError(c->connection);
128 if(recursion > 2) return 1;
129 mpd_sendPasswordCommand(c->connection, screen_read_password(NULL, NULL));
130 mpd_finishCommand(c->connection);
131 mpdclient_update(c);
132 if( c->connection->errorCode == MPD_ACK_ERROR_PASSWORD ) return _screen_auth(c, ++recursion);
133 return 0;
134 }
136 gint
137 screen_auth(struct mpdclient *c)
138 {
139 gint ret = _screen_auth(c, 0);
140 mpdclient_update(c);
141 curs_set(0);
142 return ret;
143 }
145 /* query user for a string and find it in a list window */
146 int
147 screen_find(screen_t *screen,
148 list_window_t *lw,
149 int rows,
150 command_t findcmd,
151 list_window_callback_fn_t callback_fn,
152 void *callback_data)
153 {
154 int reversed = 0;
155 int retval = 0;
156 const char *prompt = FIND_PROMPT;
157 char *value = options.find_show_last_pattern ? (char *) -1 : NULL;
159 if (findcmd == CMD_LIST_RFIND || findcmd == CMD_LIST_RFIND_NEXT) {
160 prompt = RFIND_PROMPT;
161 reversed = 1;
162 }
164 switch(findcmd)
165 {
166 case CMD_LIST_FIND:
167 case CMD_LIST_RFIND:
168 if( screen->findbuf )
169 {
170 g_free(screen->findbuf);
171 screen->findbuf=NULL;
172 }
173 /* continue... */
174 case CMD_LIST_FIND_NEXT:
175 case CMD_LIST_RFIND_NEXT:
176 if( !screen->findbuf )
177 screen->findbuf=screen_readln(screen->status_window.w,
178 prompt,
179 value,
180 &screen->find_history,
181 NULL);
182 if( !screen->findbuf || !screen->findbuf[0] )
183 return 1;
184 if( reversed )
185 retval = list_window_rfind(lw,
186 callback_fn,
187 callback_data,
188 screen->findbuf,
189 options.find_wrap,
190 rows);
191 else
192 retval = list_window_find(lw,
193 callback_fn,
194 callback_data,
195 screen->findbuf,
196 options.find_wrap);
197 if( retval == 0 )
198 {
199 lw->repaint = 1;
200 }
201 else
202 {
203 screen_status_printf(_("Unable to find \'%s\'"), screen->findbuf);
204 screen_bell();
205 }
206 return 1;
207 default:
208 break;
209 }
210 return 0;
211 }
213 void
214 screen_display_completion_list(screen_t *screen, GList *list)
215 {
216 static GList *prev_list = NULL;
217 static gint prev_length = 0;
218 static gint offset = 0;
219 WINDOW *w = screen->main_window.w;
220 gint length, y=0;
222 length = g_list_length(list);
223 if( list==prev_list && length==prev_length )
224 {
225 offset += screen->main_window.rows;
226 if( offset>=length )
227 offset=0;
228 }
229 else
230 {
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 {
239 GList *item = g_list_nth(list, y+offset);
241 wmove(w, y++, 0);
242 wclrtoeol(w);
243 if( item )
244 {
245 gchar *tmp = g_strdup(item->data);
246 waddstr(w, basename(tmp));
247 g_free(tmp);
248 }
249 }
250 wrefresh(w);
251 doupdate();
252 colors_use(w, COLOR_LIST);
253 }
255 void
256 set_xterm_title(const char *format, ...)
257 {
258 /* the current xterm title exists under the WM_NAME property */
259 /* and can be retreived with xprop -id $WINDOWID */
261 if( options.enable_xterm_title )
262 {
263 if( g_getenv("WINDOWID") )
264 {
265 char *msg;
266 va_list ap;
268 va_start(ap,format);
269 msg = g_strdup_vprintf(format,ap);
270 va_end(ap);
271 printf("%c]0;%s%c", '\033', msg, '\007');
272 g_free(msg);
273 }
274 else
275 options.enable_xterm_title = FALSE;
276 }
277 }