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 
25 struct attributes attrs;
26 static short background_color = -1;
27 
get_color_pair(short fg, short bg)28 int 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 
reinit_colors(short bg)48 void 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 
init_colors(int use_color)59 void 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