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, 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 char *prompt,
85 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, char *prompt)
101 {
102 return screen_readln(w, prompt, NULL, NULL, NULL);
103 }
106 /* query user for a string and find it in a list window */
107 int
108 screen_find(screen_t *screen,
109 mpdclient_t *c,
110 list_window_t *lw,
111 int rows,
112 command_t findcmd,
113 list_window_callback_fn_t callback_fn,
114 void *callback_data)
115 {
116 int reversed = 0;
117 int retval = 0;
118 char *prompt = FIND_PROMPT;
120 if( findcmd==CMD_LIST_RFIND ||findcmd==CMD_LIST_RFIND_NEXT )
121 {
122 prompt = RFIND_PROMPT;
123 reversed = 1;
124 }
126 switch(findcmd)
127 {
128 case CMD_LIST_FIND:
129 case CMD_LIST_RFIND:
130 if( screen->findbuf )
131 {
132 g_free(screen->findbuf);
133 screen->findbuf=NULL;
134 }
135 /* continue... */
136 case CMD_LIST_FIND_NEXT:
137 case CMD_LIST_RFIND_NEXT:
138 if( !screen->findbuf )
139 screen->findbuf=screen_readln(screen->status_window.w,
140 prompt,
141 (char *) -1, //NULL,
142 &screen->find_history,
143 NULL);
144 if( !screen->findbuf || !screen->findbuf[0] )
145 return 1;
146 if( reversed )
147 retval = list_window_rfind(lw,
148 callback_fn,
149 callback_data,
150 screen->findbuf,
151 options.find_wrap,
152 rows);
153 else
154 retval = list_window_find(lw,
155 callback_fn,
156 callback_data,
157 screen->findbuf,
158 options.find_wrap);
159 if( retval == 0 )
160 {
161 lw->repaint = 1;
162 }
163 else
164 {
165 screen_status_printf(_("Unable to find \'%s\'"), screen->findbuf);
166 screen_bell();
167 }
168 return 1;
169 default:
170 break;
171 }
172 return 0;
173 }
175 void
176 screen_display_completion_list(screen_t *screen, GList *list)
177 {
178 static GList *prev_list = NULL;
179 static gint prev_length = 0;
180 static gint offset = 0;
181 WINDOW *w = screen->main_window.w;
182 gint length, y=0;
184 length = g_list_length(list);
185 if( list==prev_list && length==prev_length )
186 {
187 offset += screen->main_window.rows;
188 if( offset>=length )
189 offset=0;
190 }
191 else
192 {
193 prev_list = list;
194 prev_length = length;
195 offset = 0;
196 }
198 colors_use(w, COLOR_STATUS_ALERT);
199 while( y<screen->main_window.rows )
200 {
201 GList *item = g_list_nth(list, y+offset);
203 wmove(w, y++, 0);
204 wclrtoeol(w);
205 if( item )
206 {
207 gchar *tmp = g_strdup(item->data);
208 waddstr(w, basename(tmp));
209 g_free(tmp);
210 }
211 }
212 wrefresh(w);
213 doupdate();
214 colors_use(w, COLOR_LIST);
215 }
217 void
218 set_xterm_title(char *format, ...)
219 {
220 /* the current xterm title exists under the WM_NAME property */
221 /* and can be retreived with xprop -id $WINDOWID */
223 if( options.enable_xterm_title )
224 {
225 if( g_getenv("WINDOWID") )
226 {
227 char *msg;
228 va_list ap;
230 va_start(ap,format);
231 msg = g_strdup_vprintf(format,ap);
232 va_end(ap);
233 printf("%c]0;%s%c", '\033', msg, '\007');
234 g_free(msg);
235 }
236 else
237 options.enable_xterm_title = FALSE;
238 }
239 }