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=wgetch(w)) == ERR )
67 ;
69 if( key==KEY_RESIZE )
70 screen_resize();
72 noecho();
73 curs_set(0);
74 timeout(SCREEN_TIMEOUT);
76 return key;
77 }
79 char *
80 screen_readln(WINDOW *w,
81 char *prompt,
82 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, char *prompt)
98 {
99 return screen_readln(w, prompt, NULL, NULL, NULL);
100 }
103 /* query user for a string and find it in a list window */
104 int
105 screen_find(screen_t *screen,
106 mpdclient_t *c,
107 list_window_t *lw,
108 int rows,
109 command_t findcmd,
110 list_window_callback_fn_t callback_fn)
111 {
112 int reversed = 0;
113 int retval = 0;
114 char *prompt = FIND_PROMPT;
116 if( findcmd==CMD_LIST_RFIND ||findcmd==CMD_LIST_RFIND_NEXT )
117 {
118 prompt = RFIND_PROMPT;
119 reversed = 1;
120 }
122 switch(findcmd)
123 {
124 case CMD_LIST_FIND:
125 case CMD_LIST_RFIND:
126 if( screen->findbuf )
127 {
128 g_free(screen->findbuf);
129 screen->findbuf=NULL;
130 }
131 /* continue... */
132 case CMD_LIST_FIND_NEXT:
133 case CMD_LIST_RFIND_NEXT:
134 if( !screen->findbuf )
135 screen->findbuf=screen_readln(screen->status_window.w,
136 prompt,
137 (char *) -1, //NULL,
138 &screen->find_history,
139 NULL);
140 if( !screen->findbuf || !screen->findbuf[0] )
141 return 1;
142 if( reversed )
143 retval = list_window_rfind(lw,
144 callback_fn,
145 c,
146 screen->findbuf,
147 options.find_wrap,
148 rows);
149 else
150 retval = list_window_find(lw,
151 callback_fn,
152 c,
153 screen->findbuf,
154 options.find_wrap);
155 if( retval == 0 )
156 {
157 lw->repaint = 1;
158 }
159 else
160 {
161 screen_status_printf(_("Unable to find \'%s\'"), screen->findbuf);
162 screen_bell();
163 }
164 return 1;
165 default:
166 break;
167 }
168 return 0;
169 }
171 void
172 screen_display_completion_list(screen_t *screen, GList *list)
173 {
174 static GList *prev_list = NULL;
175 static gint prev_length = 0;
176 static gint offset = 0;
177 WINDOW *w = screen->main_window.w;
178 gint length, y=0;
180 length = g_list_length(list);
181 if( list==prev_list && length==prev_length )
182 {
183 offset += screen->main_window.rows;
184 if( offset>=length )
185 offset=0;
186 }
187 else
188 {
189 prev_list = list;
190 prev_length = length;
191 offset = 0;
192 }
194 colors_use(w, COLOR_STATUS_ALERT);
195 while( y<screen->main_window.rows )
196 {
197 GList *item = g_list_nth(list, y+offset);
199 wmove(w, y++, 0);
200 wclrtoeol(w);
201 if( item )
202 {
203 gchar *tmp = g_strdup(item->data);
204 waddstr(w, basename(tmp));
205 g_free(tmp);
206 }
207 }
208 wrefresh(w);
209 doupdate();
210 colors_use(w, COLOR_LIST);
211 }
213 void
214 set_xterm_title(char *format, ...)
215 {
216 /* the current xterm title exists under the WM_NAME property */
217 /* and can be retreived with xprop -id $WINDOWID */
219 if( options.enable_xterm_title )
220 {
221 if( g_getenv("WINDOWID") )
222 {
223 char buffer[512];
224 va_list ap;
226 va_start(ap,format);
227 vsnprintf(buffer,sizeof(buffer),format,ap);
228 va_end(ap);
229 printf("%c]0;%s%c", '\033', buffer, '\007');
230 }
231 else
232 options.enable_xterm_title = FALSE;
233 }
234 }