1 /* ncmpc (Ncurses MPD Client)
2 * (c) 2004-2017 The Music Player Daemon Project
3 * Project homepage: http://musicpd.org
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
20 #include "screen_utils.h"
21 #include "screen.h"
22 #include "mpdclient.h"
23 #include "config.h"
24 #include "i18n.h"
25 #include "options.h"
26 #include "colors.h"
27 #include "wreadln.h"
29 #include <mpd/client.h>
30 #include <ctype.h>
32 void
33 screen_bell(void)
34 {
35 if (options.audible_bell)
36 beep();
37 if (options.visible_bell)
38 flash();
39 }
41 static bool
42 ignore_key(int key)
43 {
44 return
45 #ifdef HAVE_GETMOUSE
46 /* ignore mouse events */
47 key == KEY_MOUSE ||
48 #endif
49 key == ERR;
50 }
52 int
53 screen_getch(const char *prompt)
54 {
55 WINDOW *w = screen.status_bar.window.w;
57 colors_use(w, COLOR_STATUS_ALERT);
58 werase(w);
59 wmove(w, 0, 0);
60 waddstr(w, prompt);
62 echo();
63 curs_set(1);
65 int key;
66 while (ignore_key(key = wgetch(w))) {}
68 noecho();
69 curs_set(0);
71 return key;
72 }
74 bool
75 screen_get_yesno(const char *_prompt, bool def)
76 {
77 /* NOTE: if one day a translator decides to use a multi-byte character
78 for one of the yes/no keys, we'll have to parse it properly */
80 char *prompt = g_strdup_printf(_("%s [%s/%s] "), _prompt, YES, NO);
81 int key = tolower(screen_getch(prompt));
82 g_free(prompt);
84 if (key == YES[0])
85 return true;
86 else if (key == NO[0])
87 return false;
88 else
89 return def;
90 }
92 char *
93 screen_readln(const char *prompt,
94 const char *value,
95 GList **history,
96 GCompletion *gcmp)
97 {
98 struct window *window = &screen.status_bar.window;
99 WINDOW *w = window->w;
100 char *line = NULL;
102 wmove(w, 0,0);
103 curs_set(1);
104 colors_use(w, COLOR_STATUS_ALERT);
105 line = wreadln(w, prompt, value, window->cols, history, gcmp);
106 curs_set(0);
107 return line;
108 }
110 char *
111 screen_read_password(const char *prompt)
112 {
113 struct window *window = &screen.status_bar.window;
114 WINDOW *w = window->w;
116 wmove(w, 0,0);
117 curs_set(1);
118 colors_use(w, COLOR_STATUS_ALERT);
120 if (prompt == NULL)
121 prompt = _("Password");
122 char *ret = wreadln_masked(w, prompt, NULL, window->cols, NULL, NULL);
124 curs_set(0);
125 return ret;
126 }
128 void
129 screen_display_completion_list(GList *list)
130 {
131 static GList *prev_list = NULL;
132 static guint prev_length = 0;
133 static guint offset = 0;
134 WINDOW *w = screen.main_window.w;
136 unsigned length = g_list_length(list);
137 if (list == prev_list && length == prev_length) {
138 offset += screen.main_window.rows;
139 if (offset >= length)
140 offset = 0;
141 } else {
142 prev_list = list;
143 prev_length = length;
144 offset = 0;
145 }
147 colors_use(w, COLOR_STATUS_ALERT);
149 unsigned y = 0;
150 while (y < screen.main_window.rows) {
151 GList *item = g_list_nth(list, y+offset);
153 wmove(w, y++, 0);
154 wclrtoeol(w);
155 if (item) {
156 gchar *tmp = g_strdup(item->data);
157 waddstr(w, g_basename(tmp));
158 g_free(tmp);
159 }
160 }
162 wrefresh(w);
163 colors_use(w, COLOR_LIST);
164 }