xref: /third_party/alsa-utils/alsamixer/colors.c (revision c72fcc34)
1/*
2 * colors.c - color and attribute definitions
3 * Copyright (c) 1998,1999 Tim Janik
4 *                         Jaroslav Kysela <perex@perex.cz>
5 * Copyright (c) 2009      Clemens Ladisch <clemens@ladisch.de>
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19 */
20
21#include "aconfig.h"
22#include CURSESINC
23#include "colors.h"
24
25struct attributes attrs;
26static short background_color = -1;
27
28int get_color_pair(short fg, short bg)
29{
30	static int color_pairs_defined = 0;
31	short i, pair_fg, pair_bg;
32
33	for (i = 1; i <= color_pairs_defined; ++i) {
34		if (OK == pair_content(i, &pair_fg, &pair_bg))
35			if (pair_fg == fg && pair_bg == bg)
36				return COLOR_PAIR(i);
37	}
38
39	if (color_pairs_defined + 1 < COLOR_PAIRS) {
40		++color_pairs_defined;
41		init_pair(color_pairs_defined, fg, bg);
42		return COLOR_PAIR(color_pairs_defined);
43	}
44
45	return 0;
46}
47
48void reinit_colors(short bg)
49{
50	if (bg == background_color)
51		return;
52	init_pair(1, COLOR_CYAN, bg);
53	init_pair(2, COLOR_YELLOW, bg);
54	init_pair(4, COLOR_RED, bg);
55	init_pair(5, COLOR_WHITE, bg);
56	background_color = bg;
57}
58
59void init_colors(int use_color)
60{
61	if (!!has_colors() == !!use_color) {
62		start_color();
63		use_default_colors();
64
65		get_color_pair(COLOR_CYAN, background_color); // COLOR_PAIR(1)
66		get_color_pair(COLOR_YELLOW, background_color);
67		get_color_pair(COLOR_WHITE, COLOR_GREEN);
68		get_color_pair(COLOR_RED, background_color);
69		get_color_pair(COLOR_WHITE, background_color);
70		get_color_pair(COLOR_WHITE, COLOR_BLUE);
71		get_color_pair(COLOR_RED, COLOR_BLUE);
72		get_color_pair(COLOR_GREEN, COLOR_GREEN);
73		get_color_pair(COLOR_WHITE, COLOR_RED); // COLOR_PAIR(9)
74#ifdef TRICOLOR_VOLUME_BAR
75		get_color_pair(COLOR_WHITE, COLOR_WHITE);
76		get_color_pair(COLOR_RED, COLOR_RED);
77#endif
78
79		attrs = (struct attributes) {
80			.mixer_frame = COLOR_PAIR(1),
81			.mixer_text = COLOR_PAIR(1),
82			.mixer_active = A_BOLD | COLOR_PAIR(2),
83			.ctl_frame = A_BOLD | COLOR_PAIR(1),
84			.ctl_mute = COLOR_PAIR(1),
85			.ctl_nomute = A_BOLD | COLOR_PAIR(3),
86			.ctl_capture = A_BOLD | COLOR_PAIR(4),
87			.ctl_nocapture = COLOR_PAIR(5),
88			.ctl_label = A_BOLD | COLOR_PAIR(6),
89			.ctl_label_focus = A_BOLD | COLOR_PAIR(7),
90			.ctl_mark_focus = A_BOLD | COLOR_PAIR(4),
91			.ctl_bar_lo = A_BOLD | COLOR_PAIR(8),
92#ifdef TRICOLOR_VOLUME_BAR
93			.ctl_bar_mi = A_BOLD | COLOR_PAIR(10),
94			.ctl_bar_hi = A_BOLD | COLOR_PAIR(11),
95#endif
96			.ctl_inactive = COLOR_PAIR(5),
97			.ctl_label_inactive = A_REVERSE | COLOR_PAIR(5),
98			.errormsg = A_BOLD | COLOR_PAIR(9),
99			.infomsg = A_BOLD | COLOR_PAIR(6),
100			.textbox = A_BOLD | COLOR_PAIR(6),
101			.textfield = A_REVERSE | COLOR_PAIR(5),
102			.menu = A_BOLD | COLOR_PAIR(6),
103			.menu_selected = A_REVERSE | COLOR_PAIR(6)
104		};
105	} else {
106		attrs = (struct attributes) {
107			.mixer_frame = A_NORMAL,
108			.mixer_text = A_NORMAL,
109			.mixer_active = A_BOLD,
110			.ctl_frame = A_BOLD,
111			.ctl_mute = A_NORMAL,
112			.ctl_nomute = A_BOLD,
113			.ctl_capture = A_BOLD,
114			.ctl_nocapture = A_NORMAL,
115			.ctl_label = A_REVERSE,
116			.ctl_label_focus = A_REVERSE | A_BOLD,
117			.ctl_mark_focus = A_BOLD,
118			.ctl_bar_lo = A_BOLD,
119#ifdef TRICOLOR_VOLUME_BAR
120			.ctl_bar_mi = A_BOLD,
121			.ctl_bar_hi = A_BOLD,
122#endif
123			.ctl_inactive = A_NORMAL,
124			.ctl_label_inactive = A_REVERSE,
125			.errormsg = A_STANDOUT,
126			.infomsg = A_NORMAL,
127			.textbox = A_NORMAL,
128			.textfield = A_REVERSE,
129			.menu = A_NORMAL,
130			.menu_selected = A_REVERSE,
131		};
132	}
133}
134