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src/basic/glyph-util.c
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Daan De Meyer
run0: Give --empower its own color, title and emoji
25 ноя 2025, 19:15
25 ноя 2025, 19:15
c369429
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/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include <stdlib.h> #include "env-util.h" #include "glyph-util.h" #include "locale-util.h" #include "strv.h" bool emoji_enabled(void) { static int cached_emoji_enabled = -1; if (cached_emoji_enabled < 0) { int val = getenv_bool("SYSTEMD_EMOJI"); if (val >= 0) return (cached_emoji_enabled = val); const char *term = getenv("TERM"); if (!term || STR_IN_SET(term, "dumb", "linux")) return (cached_emoji_enabled = false); cached_emoji_enabled = is_locale_utf8(); } return cached_emoji_enabled; } const char* glyph_full(Glyph code, bool force_utf) { /* A list of a number of interesting unicode glyphs we can use to decorate our output. It's probably wise to be * conservative here, and primarily stick to the glyphs defined in the eurlatgr font, so that display still * works reasonably well on the Linux console. For details see: * * http://git.altlinux.org/people/legion/packages/kbd.git?p=kbd.git;a=blob;f=data/consolefonts/README.eurlatgr */ static const char* const draw_table[2][_GLYPH_MAX] = { /* ASCII fallback */ [false] = { [GLYPH_SPACE] = " ", [GLYPH_TREE_VERTICAL] = "| ", [GLYPH_TREE_BRANCH] = "|-", [GLYPH_TREE_RIGHT] = "`-", [GLYPH_TREE_SPACE] = " ", [GLYPH_TREE_TOP] = ",-", [GLYPH_VERTICAL_DOTTED] = ":", [GLYPH_HORIZONTAL_DOTTED] = "-", [GLYPH_HORIZONTAL_FAT] = "=", [GLYPH_TRIANGULAR_BULLET] = ">", [GLYPH_BLACK_CIRCLE] = "*", [GLYPH_WHITE_CIRCLE] = "*", [GLYPH_MULTIPLICATION_SIGN] = "x", [GLYPH_CIRCLE_ARROW] = "*", [GLYPH_BULLET] = "*", [GLYPH_MU] = "u", [GLYPH_CHECK_MARK] = "+", [GLYPH_CROSS_MARK] = "-", [GLYPH_LIGHT_SHADE] = "-", [GLYPH_DARK_SHADE] = "X", [GLYPH_FULL_BLOCK] = "#", [GLYPH_SIGMA] = "S", [GLYPH_ARROW_UP] = "^", [GLYPH_ARROW_DOWN] = "v", [GLYPH_ARROW_LEFT] = "<-", [GLYPH_ARROW_RIGHT] = "->", [GLYPH_ELLIPSIS] = "...", [GLYPH_EXTERNAL_LINK] = "[LNK]", [GLYPH_ECSTATIC_SMILEY] = ":-]", [GLYPH_HAPPY_SMILEY] = ":-}", [GLYPH_SLIGHTLY_HAPPY_SMILEY] = ":-)", [GLYPH_NEUTRAL_SMILEY] = ":-|", [GLYPH_SLIGHTLY_UNHAPPY_SMILEY] = ":-(", [GLYPH_UNHAPPY_SMILEY] = ":-{", [GLYPH_DEPRESSED_SMILEY] = ":-[", [GLYPH_LOCK_AND_KEY] = "o-,", [GLYPH_TOUCH] = "O=", /* Yeah, not very convincing, can you do it better? */ [GLYPH_RECYCLING] = "~", [GLYPH_DOWNLOAD] = "\\", [GLYPH_SPARKLES] = "*", [GLYPH_LOW_BATTERY] = "!", [GLYPH_WARNING_SIGN] = "!", [GLYPH_COMPUTER_DISK] = "o", [GLYPH_WORLD] = "W", [GLYPH_RED_CIRCLE] = "o", [GLYPH_ORANGE_CIRCLE] = "o", [GLYPH_YELLOW_CIRCLE] = "o", [GLYPH_BLUE_CIRCLE] = "o", [GLYPH_GREEN_CIRCLE] = "o", [GLYPH_SUPERHERO] = "S", [GLYPH_PUMPKIN] = "P", [GLYPH_IDCARD] = "@", [GLYPH_HOME] = "^", [GLYPH_ROCKET] = "^", [GLYPH_BROOM] = "/", [GLYPH_KEYBOARD] = "K", [GLYPH_CLOCK] = "O", [GLYPH_LABEL] = "L", [GLYPH_SHELL] = "$", }, /* UTF-8 */ [true] = { /* This exists to allow more consistent handling of optional whitespace */ [GLYPH_SPACE] = " ", /* The following are multiple glyphs in both ASCII and in UNICODE */ [GLYPH_TREE_VERTICAL] = UTF8("│ "), [GLYPH_TREE_BRANCH] = UTF8("├─"), [GLYPH_TREE_RIGHT] = UTF8("└─"), [GLYPH_TREE_SPACE] = UTF8(" "), [GLYPH_TREE_TOP] = UTF8("┌─"), /* Single glyphs in both cases */ [GLYPH_VERTICAL_DOTTED] = UTF8("┆"), [GLYPH_HORIZONTAL_DOTTED] = UTF8("┄"), [GLYPH_HORIZONTAL_FAT] = UTF8("━"), [GLYPH_TRIANGULAR_BULLET] = UTF8("‣"), [GLYPH_BLACK_CIRCLE] = UTF8("●"), [GLYPH_WHITE_CIRCLE] = UTF8("○"), [GLYPH_MULTIPLICATION_SIGN] = UTF8("×"), [GLYPH_CIRCLE_ARROW] = UTF8("↻"), [GLYPH_BULLET] = UTF8("•"), [GLYPH_MU] = UTF8("μ"), /* actually called: GREEK SMALL LETTER MU */ [GLYPH_CHECK_MARK] = UTF8("✓"), [GLYPH_CROSS_MARK] = UTF8("✗"), /* actually called: BALLOT X */ [GLYPH_LIGHT_SHADE] = UTF8("░"), [GLYPH_DARK_SHADE] = UTF8("▒"), [GLYPH_FULL_BLOCK] = UTF8("█"), [GLYPH_SIGMA] = UTF8("Σ"), [GLYPH_ARROW_UP] = UTF8("↑"), /* actually called: UPWARDS ARROW */ [GLYPH_ARROW_DOWN] = UTF8("↓"), /* actually called: DOWNWARDS ARROW */ /* Single glyph in Unicode, two in ASCII */ [GLYPH_ARROW_LEFT] = UTF8("←"), /* actually called: LEFTWARDS ARROW */ [GLYPH_ARROW_RIGHT] = UTF8("→"), /* actually called: RIGHTWARDS ARROW */ /* Single glyph in Unicode, three in ASCII */ [GLYPH_ELLIPSIS] = UTF8("…"), /* actually called: HORIZONTAL ELLIPSIS */ /* Three glyphs in Unicode, five in ASCII */ [GLYPH_EXTERNAL_LINK] = UTF8("[🡕]"), /* actually called: NORTH EAST SANS-SERIF ARROW, enclosed in [] */ /* These smileys are a single glyph in Unicode, and three in ASCII */ [GLYPH_ECSTATIC_SMILEY] = UTF8("😇"), /* actually called: SMILING FACE WITH HALO */ [GLYPH_HAPPY_SMILEY] = UTF8("😀"), /* actually called: GRINNING FACE */ [GLYPH_SLIGHTLY_HAPPY_SMILEY] = UTF8("🙂"), /* actually called: SLIGHTLY SMILING FACE */ [GLYPH_NEUTRAL_SMILEY] = UTF8("😐"), /* actually called: NEUTRAL FACE */ [GLYPH_SLIGHTLY_UNHAPPY_SMILEY] = UTF8("🙁"), /* actually called: SLIGHTLY FROWNING FACE */ [GLYPH_UNHAPPY_SMILEY] = UTF8("😨"), /* actually called: FEARFUL FACE */ [GLYPH_DEPRESSED_SMILEY] = UTF8("🤢"), /* actually called: NAUSEATED FACE */ /* This emoji is a single character cell glyph in Unicode, and three in ASCII */ [GLYPH_LOCK_AND_KEY] = UTF8("🔐"), /* actually called: CLOSED LOCK WITH KEY */ /* This emoji is a single character cell glyph in Unicode, and two in ASCII */ [GLYPH_TOUCH] = UTF8("👆"), /* actually called: BACKHAND INDEX POINTING UP */ /* These four emojis are single character cell glyphs in Unicode and also in ASCII. */ [GLYPH_RECYCLING] = UTF8("♻️"), /* actually called: UNIVERSAL RECYCLNG SYMBOL */ [GLYPH_DOWNLOAD] = UTF8("⤵️"), /* actually called: RIGHT ARROW CURVING DOWN */ [GLYPH_SPARKLES] = UTF8("✨"), [GLYPH_LOW_BATTERY] = UTF8("🪫"), [GLYPH_WARNING_SIGN] = UTF8("⚠️"), [GLYPH_COMPUTER_DISK] = UTF8("💽"), [GLYPH_WORLD] = UTF8("🌍"), [GLYPH_RED_CIRCLE] = UTF8("🔴"), [GLYPH_ORANGE_CIRCLE] = UTF8("🟠"), [GLYPH_YELLOW_CIRCLE] = UTF8("🟡"), [GLYPH_BLUE_CIRCLE] = UTF8("🔵"), [GLYPH_GREEN_CIRCLE] = UTF8("🟢"), [GLYPH_SUPERHERO] = UTF8("🦸"), [GLYPH_PUMPKIN] = UTF8("🎃"), [GLYPH_IDCARD] = UTF8("🪪"), [GLYPH_HOME] = UTF8("🏠"), [GLYPH_ROCKET] = UTF8("🚀"), [GLYPH_BROOM] = UTF8("🧹"), [GLYPH_KEYBOARD] = UTF8("⌨️"), [GLYPH_CLOCK] = UTF8("🕗"), [GLYPH_LABEL] = UTF8("🏷️"), [GLYPH_SHELL] = UTF8("🐚"), }, }; if (code < 0) return NULL; assert(code < _GLYPH_MAX); return draw_table[force_utf || (code >= _GLYPH_FIRST_EMOJI ? emoji_enabled() : is_locale_utf8())][code]; }