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;
119 char *value = options.find_show_last_pattern ? (char *) -1 : NULL;
121 if( findcmd==CMD_LIST_RFIND ||findcmd==CMD_LIST_RFIND_NEXT )
122 {
123 prompt = RFIND_PROMPT;
124 reversed = 1;
125 }
127 switch(findcmd)
128 {
129 case CMD_LIST_FIND:
130 case CMD_LIST_RFIND:
131 if( screen->findbuf )
132 {
133 g_free(screen->findbuf);
134 screen->findbuf=NULL;
135 }
136 /* continue... */
137 case CMD_LIST_FIND_NEXT:
138 case CMD_LIST_RFIND_NEXT:
139 if( !screen->findbuf )
140 screen->findbuf=screen_readln(screen->status_window.w,
141 prompt,
142 value,
143 &screen->find_history,
144 NULL);
145 if( !screen->findbuf || !screen->findbuf[0] )
146 return 1;
147 if( reversed )
148 retval = list_window_rfind(lw,
149 callback_fn,
150 callback_data,
151 screen->findbuf,
152 options.find_wrap,
153 rows);
154 else
155 retval = list_window_find(lw,
156 callback_fn,
157 callback_data,
158 screen->findbuf,
159 options.find_wrap);
160 if( retval == 0 )
161 {
162 lw->repaint = 1;
163 }
164 else
165 {
166 screen_status_printf(_("Unable to find \'%s\'"), screen->findbuf);
167 screen_bell();
168 }
169 return 1;
170 default:
171 break;
172 }
173 return 0;
174 }
176 void
177 screen_display_completion_list(screen_t *screen, GList *list)
178 {
179 static GList *prev_list = NULL;
180 static gint prev_length = 0;
181 static gint offset = 0;
182 WINDOW *w = screen->main_window.w;
183 gint length, y=0;
185 length = g_list_length(list);
186 if( list==prev_list && length==prev_length )
187 {
188 offset += screen->main_window.rows;
189 if( offset>=length )
190 offset=0;
191 }
192 else
193 {
194 prev_list = list;
195 prev_length = length;
196 offset = 0;
197 }
199 colors_use(w, COLOR_STATUS_ALERT);
200 while( y<screen->main_window.rows )
201 {
202 GList *item = g_list_nth(list, y+offset);
204 wmove(w, y++, 0);
205 wclrtoeol(w);
206 if( item )
207 {
208 gchar *tmp = g_strdup(item->data);
209 waddstr(w, basename(tmp));
210 g_free(tmp);
211 }
212 }
213 wrefresh(w);
214 doupdate();
215 colors_use(w, COLOR_LIST);
216 }
218 void
219 set_xterm_title(char *format, ...)
220 {
221 /* the current xterm title exists under the WM_NAME property */
222 /* and can be retreived with xprop -id $WINDOWID */
224 if( options.enable_xterm_title )
225 {
226 if( g_getenv("WINDOWID") )
227 {
228 char *msg;
229 va_list ap;
231 va_start(ap,format);
232 msg = g_strdup_vprintf(format,ap);
233 va_end(ap);
234 printf("%c]0;%s%c", '\033', msg, '\007');
235 g_free(msg);
236 }
237 else
238 options.enable_xterm_title = FALSE;
239 }
240 }