feature: display status with a different shape depending on the status (#17728)

src/basic/locale-util.c

@@ -356,6 +356,9 @@ const char *special_glyph(SpecialGlyph code) {
                         [SPECIAL_GLYPH_TREE_SPACE]              = "  ",
                         [SPECIAL_GLYPH_TRIANGULAR_BULLET]       = ">",
                         [SPECIAL_GLYPH_BLACK_CIRCLE]            = "*",
+                        [SPECIAL_GLYPH_WHITE_CIRCLE]            = "*",
+                        [SPECIAL_GLYPH_MULTIPLICATION_SIGN]     = "x",
+                        [SPECIAL_GLYPH_CIRCLE_ARROW]            = "*",
                         [SPECIAL_GLYPH_BULLET]                  = "*",
                         [SPECIAL_GLYPH_MU]                      = "u",
                         [SPECIAL_GLYPH_CHECK_MARK]              = "+",
@@ -388,6 +391,9 @@ const char *special_glyph(SpecialGlyph code) {
                         /* Single glyphs in both cases */
                         [SPECIAL_GLYPH_TRIANGULAR_BULLET]       = "\342\200\243",             /* ‣ */
                         [SPECIAL_GLYPH_BLACK_CIRCLE]            = "\342\227\217",             /* ● */
+                        [SPECIAL_GLYPH_WHITE_CIRCLE]            = "\u25CB",                   /* ○ */
+                        [SPECIAL_GLYPH_MULTIPLICATION_SIGN]     = "\u00D7",                   /* × */
+                        [SPECIAL_GLYPH_CIRCLE_ARROW]            = "\u21BB",                   /* ↻ */
                         [SPECIAL_GLYPH_BULLET]                  = "\342\200\242",             /* • */
                         [SPECIAL_GLYPH_MU]                      = "\316\274",                 /* μ (actually called: GREEK SMALL LETTER MU) */
                         [SPECIAL_GLYPH_CHECK_MARK]              = "\342\234\223",             /* ✓ */

src/basic/locale-util.h

@@ -46,6 +46,9 @@ typedef enum {
         SPECIAL_GLYPH_TREE_SPACE,
         SPECIAL_GLYPH_TRIANGULAR_BULLET,
         SPECIAL_GLYPH_BLACK_CIRCLE,
+        SPECIAL_GLYPH_WHITE_CIRCLE,
+        SPECIAL_GLYPH_MULTIPLICATION_SIGN,
+        SPECIAL_GLYPH_CIRCLE_ARROW,
         SPECIAL_GLYPH_BULLET,
         SPECIAL_GLYPH_MU,
         SPECIAL_GLYPH_CHECK_MARK,

src/basic/unit-def.c

@@ -287,3 +287,24 @@ static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
 };
 
 DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
+
+SpecialGlyph unit_active_state_to_glyph(UnitActiveState state) {
+        switch (state) {
+                case UNIT_ACTIVE:
+                    return SPECIAL_GLYPH_BLACK_CIRCLE;
+                case UNIT_RELOADING:
+                    return SPECIAL_GLYPH_CIRCLE_ARROW;
+                case UNIT_INACTIVE:
+                    return SPECIAL_GLYPH_WHITE_CIRCLE;
+                case UNIT_FAILED:
+                    return SPECIAL_GLYPH_MULTIPLICATION_SIGN;
+                case UNIT_ACTIVATING:
+                case UNIT_DEACTIVATING:
+                    return SPECIAL_GLYPH_BLACK_CIRCLE;
+                case UNIT_MAINTENANCE:
+                    return SPECIAL_GLYPH_WHITE_CIRCLE;
+
+                default:
+                    return SPECIAL_GLYPH_BLACK_CIRCLE;
+            }
+}

src/basic/unit-def.h

@@ -3,6 +3,7 @@
 
 #include <stdbool.h>
 
+#include "locale-util.h"
 #include "macro.h"
 
 /* The enum order is used to order unit jobs in the job queue
@@ -304,3 +305,5 @@ UnitDependency unit_dependency_from_string(const char *s) _pure_;
 
 const char* notify_access_to_string(NotifyAccess i) _const_;
 NotifyAccess notify_access_from_string(const char *s) _pure_;
+
+SpecialGlyph unit_active_state_to_glyph(UnitActiveState state);