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 <stdlib.h>
22 #include <unistd.h>
23 #include <string.h>
24 #include <glib.h>
25 #include <ncurses.h>
27 #include "config.h"
28 #include "ncmpc.h"
29 #include "mpdclient.h"
30 #include "support.h"
31 #include "command.h"
32 #include "options.h"
33 #include "list_window.h"
34 #include "colors.h"
35 #include "wreadln.h"
36 #include "screen.h"
38 #define FIND_PROMPT _("Find: ")
39 #define RFIND_PROMPT _("Find backward: ")
41 void
42 screen_bell(void)
43 {
44 if( options.audible_bell )
45 beep();
46 if( options.visible_bell )
47 flash();
48 }
50 int
51 screen_getch(WINDOW *w, const char *prompt)
52 {
53 int key = -1;
54 int prompt_len = strlen(prompt);
56 colors_use(w, COLOR_STATUS_ALERT);
57 wclear(w);
58 wmove(w, 0, 0);
59 waddstr(w, prompt);
60 wmove(w, 0, prompt_len);
62 echo();
63 curs_set(1);
64 timeout(-1);
66 while( (key=my_wgetch(w)) == ERR )
67 ;
69 #ifdef HAVE_GETMOUSE
70 /* ignore mouse events */
71 if( key==KEY_MOUSE )
72 return screen_getch(w, prompt);
73 #endif
75 noecho();
76 curs_set(0);
77 timeout(SCREEN_TIMEOUT);
79 return key;
80 }
82 char *
83 screen_readln(WINDOW *w,
84 const char *prompt,
85 const char *value,
86 GList **history,
87 GCompletion *gcmp)
88 {
89 char *line = NULL;
91 wmove(w, 0,0);
92 curs_set(1);
93 colors_use(w, COLOR_STATUS_ALERT);
94 line = wreadln(w, prompt, value, COLS, history, gcmp);
95 curs_set(0);
96 return line;
97 }
99 char *
100 screen_getstr(WINDOW *w, const char *prompt)
101 {
102 return screen_readln(w, prompt, NULL, NULL, NULL);
103 }
105 static char *
106 screen_read_password(WINDOW *w, const char *prompt)
107 {
108 if(w == NULL)
109 {
110 int rows, cols;
111 getmaxyx(stdscr, rows, cols);
112 /* create window for input */
113 w = newwin(1, cols, rows-1, 0);
114 leaveok(w, FALSE);
115 keypad(w, TRUE);
116 }
117 wmove(w, 0,0);
118 curs_set(1);
119 colors_use(w, COLOR_STATUS_ALERT);
120 if(prompt == NULL)
121 return wreadln_masked(w, _("Password: "), NULL, COLS, NULL, NULL);
122 else
123 return wreadln_masked(w, prompt, NULL, COLS, NULL, NULL);
124 curs_set(0);
125 }
127 static gint
128 _screen_auth(mpdclient_t *c, gint recursion)
129 {
130 mpd_clearError(c->connection);
131 if(recursion > 2) 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 ) return _screen_auth(c, ++recursion);
136 return 0;
137 }
139 gint
140 screen_auth(mpdclient_t *c)
141 {
142 gint ret = _screen_auth(c, 0);
143 mpdclient_update(c);
144 curs_set(0);
145 return ret;
146 }
148 /* query user for a string and find it in a list window */
149 int
150 screen_find(screen_t *screen,
151 list_window_t *lw,
152 int rows,
153 command_t findcmd,
154 list_window_callback_fn_t callback_fn,
155 void *callback_data)
156 {
157 int reversed = 0;
158 int retval = 0;
159 const char *prompt = FIND_PROMPT;
160 char *value = options.find_show_last_pattern ? (char *) -1 : NULL;
162 if (findcmd == CMD_LIST_RFIND || findcmd == CMD_LIST_RFIND_NEXT) {
163 prompt = RFIND_PROMPT;
164 reversed = 1;
165 }
167 switch(findcmd)
168 {
169 case CMD_LIST_FIND:
170 case CMD_LIST_RFIND:
171 if( screen->findbuf )
172 {
173 g_free(screen->findbuf);
174 screen->findbuf=NULL;
175 }
176 /* 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);
185 if( !screen->findbuf || !screen->findbuf[0] )
186 return 1;
187 if( reversed )
188 retval = list_window_rfind(lw,
189 callback_fn,
190 callback_data,
191 screen->findbuf,
192 options.find_wrap,
193 rows);
194 else
195 retval = list_window_find(lw,
196 callback_fn,
197 callback_data,
198 screen->findbuf,
199 options.find_wrap);
200 if( retval == 0 )
201 {
202 lw->repaint = 1;
203 }
204 else
205 {
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 gint prev_length = 0;
221 static gint offset = 0;
222 WINDOW *w = screen->main_window.w;
223 gint length, y=0;
225 length = g_list_length(list);
226 if( list==prev_list && length==prev_length )
227 {
228 offset += screen->main_window.rows;
229 if( offset>=length )
230 offset=0;
231 }
232 else
233 {
234 prev_list = list;
235 prev_length = length;
236 offset = 0;
237 }
239 colors_use(w, COLOR_STATUS_ALERT);
240 while( y<screen->main_window.rows )
241 {
242 GList *item = g_list_nth(list, y+offset);
244 wmove(w, y++, 0);
245 wclrtoeol(w);
246 if( item )
247 {
248 gchar *tmp = g_strdup(item->data);
249 waddstr(w, basename(tmp));
250 g_free(tmp);
251 }
252 }
253 wrefresh(w);
254 doupdate();
255 colors_use(w, COLOR_LIST);
256 }
258 void
259 set_xterm_title(const char *format, ...)
260 {
261 /* the current xterm title exists under the WM_NAME property */
262 /* and can be retreived with xprop -id $WINDOWID */
264 if( options.enable_xterm_title )
265 {
266 if( g_getenv("WINDOWID") )
267 {
268 char *msg;
269 va_list ap;
271 va_start(ap,format);
272 msg = g_strdup_vprintf(format,ap);
273 va_end(ap);
274 printf("%c]0;%s%c", '\033', msg, '\007');
275 g_free(msg);
276 }
277 else
278 options.enable_xterm_title = FALSE;
279 }
280 }