1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
// color names and functions for dealing with colors
#include "ted-internal.h"
typedef struct {
ColorSetting setting;
const char *name;
} ColorName;
static ColorName color_names[] = {
{COLOR_UNKNOWN, "unknown"},
{COLOR_TEXT, "text"},
{COLOR_TEXT_SECONDARY, "text-secondary"},
{COLOR_BG, "bg"},
{COLOR_CURSOR, "cursor"},
{COLOR_CURSOR_ERROR, "cursor-error"},
{COLOR_CURSOR_LINE_BG, "cursor-line-bg"},
{COLOR_VIEW_ONLY_CURSOR, "view-only-cursor"},
{COLOR_VIEW_ONLY_SELECTION_BG, "view-only-selection-bg"},
{COLOR_MATCHING_BRACKET_HL, "matching-bracket-hl"},
{COLOR_BORDER, "border"},
{COLOR_TEXT_FOLDER, "text-folder"},
{COLOR_TEXT_OTHER, "text-other"},
{COLOR_SELECTION_BG, "selection-bg"},
{COLOR_MENU_BACKDROP, "menu-backdrop"},
{COLOR_MENU_BG, "menu-bg"},
{COLOR_MENU_HL, "menu-hl"},
{COLOR_ERROR_BG, "error-bg"},
{COLOR_ERROR_BORDER, "error-border"},
{COLOR_INFO_BG, "info-bg"},
{COLOR_INFO_BORDER, "info-border"},
{COLOR_WARNING_BG, "warning-bg"},
{COLOR_WARNING_BORDER, "warning-border"},
{COLOR_ACTIVE_TAB_HL, "active-tab-hl"},
{COLOR_SELECTED_TAB_HL, "selected-tab-hl"},
{COLOR_FIND_HL, "find-hl"},
{COLOR_KEYWORD, "keyword"},
{COLOR_BUILTIN, "builtin"},
{COLOR_COMMENT, "comment"},
{COLOR_PREPROCESSOR, "preprocessor"},
{COLOR_STRING, "string"},
{COLOR_CHARACTER, "character"},
{COLOR_CONSTANT, "constant"},
{COLOR_TODO, "todo"},
{COLOR_AUTOCOMPLETE_BG, "autocomplete-bg"},
{COLOR_AUTOCOMPLETE_HL, "autocomplete-hl"},
{COLOR_AUTOCOMPLETE_BORDER, "autocomplete-border"},
{COLOR_AUTOCOMPLETE_VARIABLE, "autocomplete-variable"},
{COLOR_AUTOCOMPLETE_FUNCTION, "autocomplete-function"},
{COLOR_AUTOCOMPLETE_TYPE, "autocomplete-type"},
{COLOR_HOVER_BORDER, "hover-border"},
{COLOR_HOVER_BG, "hover-bg"},
{COLOR_HOVER_TEXT, "hover-text"},
{COLOR_HOVER_HL, "hover-hl"},
{COLOR_HL_WRITE, "hl-write"},
{COLOR_YES, "yes"},
{COLOR_NO, "no"},
{COLOR_CANCEL, "cancel"},
{COLOR_LINE_NUMBERS, "line-numbers"},
{COLOR_CURSOR_LINE_NUMBER, "cursor-line-number"},
{COLOR_LINE_NUMBERS_SEPARATOR, "line-numbers-separator"},
};
static_assert_if_possible(arr_count(color_names) == COLOR_COUNT)
int color_name_cmp(const void *av, const void *bv) {
const ColorName *a = av, *b = bv;
return strcmp(a->name, b->name);
}
void color_init(void) {
qsort(color_names, arr_count(color_names), sizeof *color_names, color_name_cmp);
}
ColorSetting color_setting_from_str(const char *str) {
int lo = 0;
int hi = COLOR_COUNT;
while (lo < hi) {
int mid = (lo + hi) / 2;
int cmp = strcmp(color_names[mid].name, str);
if (cmp < 0) {
lo = mid + 1;
} else if (cmp > 0) {
hi = mid;
} else {
return color_names[mid].setting;
}
}
return COLOR_UNKNOWN;
}
const char *color_setting_to_str(ColorSetting s) {
for (int i = 0; i < COLOR_COUNT; ++i) {
ColorName const *n = &color_names[i];
if (n->setting == s)
return n->name;
}
return "???";
}
// converts #rrggbb/#rrggbbaa to a color. returns false if it's not in the right format.
Status color_from_str(const char *str, u32 *color) {
uint r = 0, g = 0, b = 0, a = 0xff;
bool success = false;
switch (strlen(str)) {
case 4:
success = sscanf(str, "#%01x%01x%01x", &r, &g, &b) == 3;
// extend single hex digit to double hex digit
r |= r << 4;
g |= g << 4;
b |= b << 4;
break;
case 5:
success = sscanf(str, "#%01x%01x%01x%01x", &r, &g, &b, &a) == 4;
r |= r << 4;
g |= g << 4;
b |= b << 4;
a |= a << 4;
break;
case 7:
success = sscanf(str, "#%02x%02x%02x", &r, &g, &b) == 3;
break;
case 9:
success = sscanf(str, "#%02x%02x%02x%02x", &r, &g, &b, &a) == 4;
break;
}
if (!success || r > 0xff || g > 0xff || b > 0xff || a > 0xff)
return false;
if (color)
*color = (u32)r << 24 | (u32)g << 16 | (u32)b << 8 | (u32)a;
return true;
}
ColorSetting color_for_symbol_kind(SymbolKind kind) {
switch (kind) {
case SYMBOL_CONSTANT:
return COLOR_CONSTANT;
case SYMBOL_TYPE:
return COLOR_AUTOCOMPLETE_TYPE;
case SYMBOL_FIELD:
case SYMBOL_VARIABLE:
return COLOR_AUTOCOMPLETE_VARIABLE;
case SYMBOL_FUNCTION:
return COLOR_AUTOCOMPLETE_FUNCTION;
case SYMBOL_OTHER:
return COLOR_TEXT;
case SYMBOL_KEYWORD:
return COLOR_KEYWORD;
}
return COLOR_TEXT;
}
u32 color_blend(u32 bg, u32 fg) {
u32 r1 = bg >> 24;
u32 g1 = (bg >> 16) & 0xff;
u32 b1 = (bg >> 8) & 0xff;
u32 r2 = fg >> 24;
u32 g2 = (fg >> 16) & 0xff;
u32 b2 = (fg >> 8) & 0xff;
u32 a2 = fg & 0xff;
u32 r = (r1 * (255 - a2) + r2 * a2 + 127) / 255;
u32 g = (g1 * (255 - a2) + g2 * a2 + 127) / 255;
u32 b = (b1 * (255 - a2) + b2 * a2 + 127) / 255;
return r << 24 | g << 16 | b << 8 | 0xff;
}
u32 color_apply_opacity(u32 color, float opacity) {
opacity = clampf(opacity, 0.0f, 1.0f);
return (color & 0xffffff00) | (u32)((color & 0xff) * opacity);
}
|
