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[#1569] Add initial round,floor,ceil function

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a round b
 rounds a to the closest multiple off b

 a ceil b
 ceil a to the multiple off b

 a floor b
 floor a to the multiple off b

 Completely untested.
This commit is contained in:
Dave Davenport 2022-01-18 11:01:56 +01:00
parent f5eafcc04c
commit b6ce41825c
4 changed files with 53 additions and 4 deletions
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3
include/rofi-types.h
View file

@ -103,6 +103,9 @@ typedef enum {
ROFI_DISTANCE_MODIFIER_GROUP,
ROFI_DISTANCE_MODIFIER_MIN,
ROFI_DISTANCE_MODIFIER_MAX,
ROFI_DISTANCE_MODIFIER_ROUND,
ROFI_DISTANCE_MODIFIER_FLOOR,
ROFI_DISTANCE_MODIFIER_CEIL,
} RofiDistanceModifier;
typedef struct RofiDistanceUnit {

6
lexer/theme-lexer.l
View file

@ -202,6 +202,9 @@ MODIFIER_SUBTRACT -
MODIFIER_MULTIPLY \*
MODIFIER_MIN (min)
MODIFIER_MAX (max)
MODIFIER_ROUND (round)
MODIFIER_FLOOR (floor)
MODIFIER_CEIL (ceil)
/* Position */
CENTER (?i:center)
@ -530,6 +533,9 @@ if ( queue == NULL ) {
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{MODIFIER_MULTIPLY} { return T_MODIFIER_MULTIPLY; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{MODIFIER_MIN} { return T_MODIFIER_MIN; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{MODIFIER_MAX} { return T_MODIFIER_MAX; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{MODIFIER_ROUND} { return T_MODIFIER_ROUND; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{MODIFIER_FLOOR} { return T_MODIFIER_FLOOR; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{MODIFIER_CEIL} { return T_MODIFIER_CEIL; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{CALC} { return T_CALC; }
<PROPERTIES,PROPERTIES_ENV,PROPERTIES_VAR_DEFAULT>{ENV} {

21
lexer/theme-parser.y
View file

@ -240,6 +240,9 @@ static ThemeColor hwb_to_rgb ( double h, double w, double b )
%token T_MODIFIER_MAX "Max ('max')"
%token T_MODIFIER_MIN "Min ('min')"
%token T_MODIFIER_ROUND "Min ('round')"
%token T_MODIFIER_FLOOR "Min ('floor')"
%token T_MODIFIER_CEIL "Min ('ceil')"
%token T_CALC "calc"
@ -801,6 +804,24 @@ t_property_distance_unit_math3
$$->right = $3;
$$->modtype = ROFI_DISTANCE_MODIFIER_MAX;
}
| t_property_distance_unit_math3 T_MODIFIER_ROUND t_property_distance_unit_math2 {
$$ = g_slice_new0(RofiDistanceUnit);
$$->left = $1;
$$->right = $3;
$$->modtype = ROFI_DISTANCE_MODIFIER_ROUND;
}
| t_property_distance_unit_math3 T_MODIFIER_FLOOR t_property_distance_unit_math2 {
$$ = g_slice_new0(RofiDistanceUnit);
$$->left = $1;
$$->right = $3;
$$->modtype = ROFI_DISTANCE_MODIFIER_FLOOR;
}
| t_property_distance_unit_math3 T_MODIFIER_CEIL t_property_distance_unit_math2 {
$$ = g_slice_new0(RofiDistanceUnit);
$$->left = $1;
$$->right = $3;
$$->modtype = ROFI_DISTANCE_MODIFIER_CEIL;
}
| t_property_distance_unit_math2 {
$$ = $1;
};

27
source/theme.c
View file

@ -57,10 +57,8 @@ void rofi_theme_print_parsed_files(gboolean is_term) {
printf("\nParsed files:\n");
for (GList *iter = g_list_first(parsed_config_files); iter != NULL;
iter = g_list_next(iter)) {
printf("\t\u2022 %s%s%s\n",
is_term ? color_bold : "", (const char *)(iter->data),
is_term ? color_reset : "");
printf("\t\u2022 %s%s%s\n", is_term ? color_bold : "",
(const char *)(iter->data), is_term ? color_reset : "");
}
printf("\n");
}
@ -285,6 +283,12 @@ static void rofi_theme_print_distance_unit(RofiDistanceUnit *unit) {
fputs(" min ", stdout);
} else if (unit->modtype == ROFI_DISTANCE_MODIFIER_MAX) {
fputs(" max ", stdout);
} else if (unit->modtype == ROFI_DISTANCE_MODIFIER_ROUND) {
fputs(" round ", stdout);
} else if (unit->modtype == ROFI_DISTANCE_MODIFIER_FLOOR) {
fputs(" floor ", stdout);
} else if (unit->modtype == ROFI_DISTANCE_MODIFIER_CEIL) {
fputs(" ceil ", stdout);
}
if (unit->right) {
rofi_theme_print_distance_unit(unit->right);
@ -1350,6 +1354,21 @@ static int distance_unit_get_pixel(RofiDistanceUnit *unit,
int b = distance_unit_get_pixel(unit->right, ori);
return MAX(a, b);
}
case ROFI_DISTANCE_MODIFIER_ROUND: {
double a = (double)distance_unit_get_pixel(unit->left, ori);
double b = (double)distance_unit_get_pixel(unit->right, ori);
return (int)round(a / b) * b;
}
case ROFI_DISTANCE_MODIFIER_CEIL: {
double a = (double)distance_unit_get_pixel(unit->left, ori);
double b = (double)distance_unit_get_pixel(unit->right, ori);
return (int)ceil(a / b) * b;
}
case ROFI_DISTANCE_MODIFIER_FLOOR: {
double a = (double)distance_unit_get_pixel(unit->left, ori);
double b = (double)distance_unit_get_pixel(unit->right, ori);
return (int)floor(a / b) * b;
}
default:
break;
}