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 "config.h"
23 #include "ncmpc.h"
24 #include "support.h"
25 #include "options.h"
26 #include "colors.h"
27 #include "wreadln.h"
29 #include <stdlib.h>
30 #include <unistd.h>
31 #include <string.h>
33 #define FIND_PROMPT _("Find: ")
34 #define RFIND_PROMPT _("Find backward: ")
36 void
37 screen_bell(void)
38 {
39 if( options.audible_bell )
40 beep();
41 if( options.visible_bell )
42 flash();
43 }
45 int
46 screen_getch(WINDOW *w, const char *prompt)
47 {
48 int key = -1;
49 int prompt_len = strlen(prompt);
51 colors_use(w, COLOR_STATUS_ALERT);
52 wclear(w);
53 wmove(w, 0, 0);
54 waddstr(w, prompt);
55 wmove(w, 0, prompt_len);
57 echo();
58 curs_set(1);
59 timeout(-1);
61 while( (key=my_wgetch(w)) == ERR )
62 ;
64 #ifdef HAVE_GETMOUSE
65 /* ignore mouse events */
66 if( key==KEY_MOUSE )
67 return screen_getch(w, prompt);
68 #endif
70 noecho();
71 curs_set(0);
72 timeout(SCREEN_TIMEOUT);
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 if(w == NULL)
104 {
105 int rows, cols;
106 getmaxyx(stdscr, rows, cols);
107 /* create window for input */
108 w = newwin(1, cols, rows-1, 0);
109 leaveok(w, FALSE);
110 keypad(w, TRUE);
111 }
112 wmove(w, 0,0);
113 curs_set(1);
114 colors_use(w, COLOR_STATUS_ALERT);
115 if(prompt == NULL)
116 return wreadln_masked(w, _("Password: "), NULL, COLS, NULL, NULL);
117 else
118 return wreadln_masked(w, prompt, NULL, COLS, NULL, NULL);
119 curs_set(0);
120 }
122 static gint
123 _screen_auth(mpdclient_t *c, gint recursion)
124 {
125 mpd_clearError(c->connection);
126 if(recursion > 2) return 1;
127 mpd_sendPasswordCommand(c->connection, screen_read_password(NULL, NULL));
128 mpd_finishCommand(c->connection);
129 mpdclient_update(c);
130 if( c->connection->errorCode == MPD_ACK_ERROR_PASSWORD ) return _screen_auth(c, ++recursion);
131 return 0;
132 }
134 gint
135 screen_auth(mpdclient_t *c)
136 {
137 gint ret = _screen_auth(c, 0);
138 mpdclient_update(c);
139 curs_set(0);
140 return ret;
141 }
143 /* query user for a string and find it in a list window */
144 int
145 screen_find(screen_t *screen,
146 list_window_t *lw,
147 int rows,
148 command_t findcmd,
149 list_window_callback_fn_t callback_fn,
150 void *callback_data)
151 {
152 int reversed = 0;
153 int retval = 0;
154 const char *prompt = FIND_PROMPT;
155 char *value = options.find_show_last_pattern ? (char *) -1 : NULL;
157 if (findcmd == CMD_LIST_RFIND || findcmd == CMD_LIST_RFIND_NEXT) {
158 prompt = RFIND_PROMPT;
159 reversed = 1;
160 }
162 switch(findcmd)
163 {
164 case CMD_LIST_FIND:
165 case CMD_LIST_RFIND:
166 if( screen->findbuf )
167 {
168 g_free(screen->findbuf);
169 screen->findbuf=NULL;
170 }
171 /* continue... */
172 case CMD_LIST_FIND_NEXT:
173 case CMD_LIST_RFIND_NEXT:
174 if( !screen->findbuf )
175 screen->findbuf=screen_readln(screen->status_window.w,
176 prompt,
177 value,
178 &screen->find_history,
179 NULL);
180 if( !screen->findbuf || !screen->findbuf[0] )
181 return 1;
182 if( reversed )
183 retval = list_window_rfind(lw,
184 callback_fn,
185 callback_data,
186 screen->findbuf,
187 options.find_wrap,
188 rows);
189 else
190 retval = list_window_find(lw,
191 callback_fn,
192 callback_data,
193 screen->findbuf,
194 options.find_wrap);
195 if( retval == 0 )
196 {
197 lw->repaint = 1;
198 }
199 else
200 {
201 screen_status_printf(_("Unable to find \'%s\'"), screen->findbuf);
202 screen_bell();
203 }
204 return 1;
205 default:
206 break;
207 }
208 return 0;
209 }
211 void
212 screen_display_completion_list(screen_t *screen, GList *list)
213 {
214 static GList *prev_list = NULL;
215 static gint prev_length = 0;
216 static gint offset = 0;
217 WINDOW *w = screen->main_window.w;
218 gint length, y=0;
220 length = g_list_length(list);
221 if( list==prev_list && length==prev_length )
222 {
223 offset += screen->main_window.rows;
224 if( offset>=length )
225 offset=0;
226 }
227 else
228 {
229 prev_list = list;
230 prev_length = length;
231 offset = 0;
232 }
234 colors_use(w, COLOR_STATUS_ALERT);
235 while( y<screen->main_window.rows )
236 {
237 GList *item = g_list_nth(list, y+offset);
239 wmove(w, y++, 0);
240 wclrtoeol(w);
241 if( item )
242 {
243 gchar *tmp = g_strdup(item->data);
244 waddstr(w, basename(tmp));
245 g_free(tmp);
246 }
247 }
248 wrefresh(w);
249 doupdate();
250 colors_use(w, COLOR_LIST);
251 }
253 void
254 set_xterm_title(const char *format, ...)
255 {
256 /* the current xterm title exists under the WM_NAME property */
257 /* and can be retreived with xprop -id $WINDOWID */
259 if( options.enable_xterm_title )
260 {
261 if( g_getenv("WINDOWID") )
262 {
263 char *msg;
264 va_list ap;
266 va_start(ap,format);
267 msg = g_strdup_vprintf(format,ap);
268 va_end(ap);
269 printf("%c]0;%s%c", '\033', msg, '\007');
270 g_free(msg);
271 }
272 else
273 options.enable_xterm_title = FALSE;
274 }
275 }