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ENUM_U16 {
COLOR_UNKNOWN,
COLOR_TEXT,
COLOR_TEXT_SECONDARY,
COLOR_BG,
COLOR_HL,
COLOR_CURSOR,
COLOR_CURSOR_LINE_BG,
COLOR_SELECTION_BG,
COLOR_VIEW_ONLY_CURSOR,
COLOR_VIEW_ONLY_SELECTION_BG,
COLOR_MATCHING_BRACKET_HL,
COLOR_BORDER,
COLOR_TEXT_FOLDER,
COLOR_TEXT_OTHER,
COLOR_MENU_BACKDROP,
COLOR_MENU_BG,
COLOR_MENU_HL,
COLOR_ERROR_TEXT,
COLOR_ERROR_BG,
COLOR_ERROR_BORDER,
COLOR_ACTIVE_TAB_HL,
COLOR_FIND_HL,
COLOR_YES,
COLOR_NO,
COLOR_CANCEL,
COLOR_KEYWORD,
COLOR_BUILTIN,
COLOR_COMMENT,
COLOR_PREPROCESSOR,
COLOR_STRING,
COLOR_CHARACTER,
COLOR_CONSTANT,
COLOR_LINE_NUMBERS,
COLOR_CURSOR_LINE_NUMBER,
COLOR_LINE_NUMBERS_SEPARATOR,
COLOR_COUNT
} ENUM_U16_END(ColorSetting);
typedef struct {
ColorSetting setting;
char const *name;
} ColorName;
static ColorName const color_names[COLOR_COUNT] = {
{COLOR_UNKNOWN, "unknown"},
{COLOR_TEXT, "text"},
{COLOR_TEXT_SECONDARY, "text-secondary"},
{COLOR_BG, "bg"},
{COLOR_HL, "hl"},
{COLOR_CURSOR, "cursor"},
{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_TEXT, "error-text"},
{COLOR_ERROR_BG, "error-bg"},
{COLOR_ERROR_BORDER, "error-border"},
{COLOR_ACTIVE_TAB_HL, "active-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_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 ColorSetting color_setting_from_str(char const *str) {
// @OPTIMIZE: sort color_names, binary search
for (int i = 0; i < COLOR_COUNT; ++i) {
ColorName const *n = &color_names[i];
if (streq(n->name, str))
return n->setting;
}
return COLOR_UNKNOWN;
}
static char const *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.
static Status color_from_str(char const *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;
}
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