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Restore the colours to the previous one instead of the theme default

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Fixes #1592
This commit is contained in:
Ailin Nemui 2026-01-02 17:35:39 +01:00
commit 197dbde7d9
4 changed files with 279 additions and 58 deletions
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267
src/fe-common/core/formats.c
View file

@ -36,6 +36,14 @@
#include <irssi/src/core/misc.h>
#include <irssi/src/core/refstrings.h>
#define FORMAT_STYLE_STACK_MAX 10
typedef struct {
int fgcolor_s[FORMAT_STYLE_STACK_MAX];
int bgcolor_s[FORMAT_STYLE_STACK_MAX];
int flags_s[FORMAT_STYLE_STACK_MAX];
int cur, keep;
} STYLE_STACK_REC;
static const char *format_backs = "04261537";
static const char *format_fores = "kbgcrmyw";
static const char *format_boldfores = "KBGCRMYW";
@ -262,11 +270,15 @@ int format_expand_styles(GString *out, const char **format, int *flags)
g_string_append_c(out, FORMAT_STYLE_BLINK);
break;
case 'n':
case 'N':
/* default color */
g_string_append_c(out, 4);
g_string_append_c(out, FORMAT_STYLE_DEFAULTS);
break;
case 'N':
/* default theme color */
g_string_append_c(out, 4);
g_string_append_c(out, FORMAT_STYLE_THEME_DEFAULTS);
break;
case '>':
/* clear to end of line */
g_string_append_c(out, 4);
@ -284,6 +296,18 @@ int format_expand_styles(GString *out, const char **format, int *flags)
(*format)--;
break;
case '(':
g_string_append_c(out, 4);
g_string_append_c(out, FORMAT_STYLE_PUSH);
break;
case ')':
g_string_append_c(out, 4);
g_string_append_c(out, FORMAT_STYLE_POP);
break;
case '`':
g_string_append_c(out, 4);
g_string_append_c(out, FORMAT_STYLE_KEEP);
break;
case 'x':
case 'X':
if ((*format)[1] < '0' || (*format)[1] > '7')
@ -682,6 +706,9 @@ char *format_string_unexpand(const char *text, int flags)
format_flag_unexpand(out, 'I');
break;
case FORMAT_STYLE_DEFAULTS:
format_flag_unexpand(out, 'n');
break;
case FORMAT_STYLE_THEME_DEFAULTS:
format_flag_unexpand(out, 'N');
break;
case FORMAT_STYLE_CLRTOEOL:
@ -690,6 +717,15 @@ char *format_string_unexpand(const char *text, int flags)
case FORMAT_STYLE_MONOSPACE:
format_flag_unexpand(out, '#');
break;
case FORMAT_STYLE_PUSH:
format_flag_unexpand(out, '(');
break;
case FORMAT_STYLE_POP:
format_flag_unexpand(out, ')');
break;
case FORMAT_STYLE_KEEP:
format_flag_unexpand(out, '`');
break;
default:
if (*text != FORMAT_COLOR_NOCHANGE) {
unsigned int value = (unsigned char) *text - '0';
@ -1044,10 +1080,117 @@ void format_newline(TEXT_DEST_REC *dest)
GINT_TO_POINTER(-1), GINT_TO_POINTER(GUI_PRINT_FLAG_NEWLINE), "", dest);
}
#define SS_FGCOLOR_CUR(stack) (stack)->fgcolor_s[(stack)->cur]
#define SS_FGCOLOR_PREV(stack) (stack)->fgcolor_s[(stack)->cur - 1]
#define SS_FGCOLOR_KEEP(stack) (stack)->fgcolor_s[(stack)->keep]
#define SS_BGCOLOR_CUR(stack) (stack)->bgcolor_s[(stack)->cur]
#define SS_BGCOLOR_PREV(stack) (stack)->bgcolor_s[(stack)->cur - 1]
#define SS_BGCOLOR_KEEP(stack) (stack)->bgcolor_s[(stack)->keep]
#define SS_FLAGS_CUR(stack) (stack)->flags_s[(stack)->cur]
#define SS_FLAGS_PREV(stack) (stack)->flags_s[(stack)->cur - 1]
#define SS_FLAGS_KEEP(stack) (stack)->flags_s[(stack)->keep]
inline static void ss_restore_fgcolor(THEME_REC *theme, STYLE_STACK_REC *stack, int *fgcolor,
int *flags)
{
if (stack != NULL && stack->cur > 0) {
*fgcolor = SS_FGCOLOR_PREV(stack);
if (SS_FLAGS_PREV(stack) & GUI_PRINT_FLAG_COLOR_24_FG) {
*flags |= GUI_PRINT_FLAG_COLOR_24_FG;
} else {
*flags &= ~GUI_PRINT_FLAG_COLOR_24_FG;
}
} else {
if (theme != NULL)
*fgcolor = theme->default_color;
else
*fgcolor = -1;
*flags &= ~GUI_PRINT_FLAG_COLOR_24_FG;
}
}
inline static void ss_restore_bgcolor(THEME_REC *theme, STYLE_STACK_REC *stack, int *bgcolor,
int *flags)
{
(void) theme;
if (stack != NULL && stack->cur > 0) {
*bgcolor = SS_BGCOLOR_PREV(stack);
if (SS_FLAGS_PREV(stack) & GUI_PRINT_FLAG_COLOR_24_BG) {
*flags |= GUI_PRINT_FLAG_COLOR_24_BG;
} else {
*flags &= ~GUI_PRINT_FLAG_COLOR_24_BG;
}
} else {
*bgcolor = -1;
*flags &= ~GUI_PRINT_FLAG_COLOR_24_BG;
}
}
inline static void ss_restore_flags(THEME_REC *theme, STYLE_STACK_REC *stack, int *flags, int reset)
{
int oldflags = *flags;
(void) theme;
if (reset)
oldflags &= ~reset;
else
oldflags &= (GUI_PRINT_FLAG_COLOR_24_FG | GUI_PRINT_FLAG_COLOR_24_BG);
if (stack != NULL && stack->cur > 0)
*flags = (SS_FLAGS_PREV(stack) &
~(GUI_PRINT_FLAG_COLOR_24_FG | GUI_PRINT_FLAG_COLOR_24_BG)) |
oldflags;
else
*flags = oldflags;
}
inline static void ss_push(THEME_REC *theme, STYLE_STACK_REC *stack, int flags, int fgcolor,
int bgcolor)
{
(void) theme;
SS_FLAGS_CUR(stack) =
flags & ~(GUI_PRINT_FLAG_INDENT | GUI_PRINT_FLAG_NEWLINE | GUI_PRINT_FLAG_CLRTOEOL);
SS_FGCOLOR_CUR(stack) = fgcolor;
SS_BGCOLOR_CUR(stack) = bgcolor;
if (stack->cur + 1 < FORMAT_STYLE_STACK_MAX)
stack->cur++;
}
inline static void ss_pop(THEME_REC *theme, STYLE_STACK_REC *stack, int oldflags, int *flags,
int *fgcolor, int *bgcolor)
{
stack->keep = stack->cur;
SS_FLAGS_KEEP(stack) =
oldflags & ~(GUI_PRINT_FLAG_INDENT | GUI_PRINT_FLAG_NEWLINE | GUI_PRINT_FLAG_CLRTOEOL);
SS_FGCOLOR_KEEP(stack) = *fgcolor;
SS_BGCOLOR_KEEP(stack) = *bgcolor;
if (stack->cur > 0) {
stack->cur--;
*flags = SS_FLAGS_CUR(stack);
*fgcolor = SS_FGCOLOR_CUR(stack);
*bgcolor = SS_BGCOLOR_CUR(stack);
} else {
*flags = 0;
*fgcolor = theme->default_color;
*bgcolor = -1;
}
}
inline static void ss_keep(THEME_REC *theme, STYLE_STACK_REC *stack, int oldflags, int *flags,
int *fgcolor, int *bgcolor)
{
*flags = oldflags;
if (stack->keep >= 0) {
*flags = SS_FLAGS_KEEP(stack);
*bgcolor = SS_BGCOLOR_KEEP(stack);
*fgcolor = SS_FGCOLOR_KEEP(stack);
stack->keep--;
}
}
/* parse ANSI color string */
static const char *get_ansi_color(THEME_REC *theme, const char *str,
int *fg_ret, int *bg_ret, int *flags_ret)
static const char *get_ansi_color(THEME_REC *theme, const char *str, int *fg_ret, int *bg_ret,
int *flags_ret, STYLE_STACK_REC *style_stack)
{
static char ansitab[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
const char *start;
@ -1055,13 +1198,24 @@ static const char *get_ansi_color(THEME_REC *theme, const char *str,
int fg, bg, flags, i;
guint num, num2;
flags = 0;
if (*str != '[')
return str;
start = str++;
fg = fg_ret == NULL || *fg_ret < 0 ? theme->default_color : *fg_ret;
bg = bg_ret == NULL || *bg_ret < 0 ? -1 : *bg_ret;
flags = flags_ret == NULL ? 0 : *flags_ret;
if (fg_ret == NULL || *fg_ret < 0)
ss_restore_fgcolor(theme, style_stack, &fg, &flags);
else
fg = *fg_ret;
if (bg_ret == NULL || *bg_ret < 0)
ss_restore_bgcolor(theme, style_stack, &bg, &flags);
else
bg = *bg_ret;
if (flags_ret == NULL)
ss_restore_flags(theme, style_stack, &flags, 0);
else
flags = *flags_ret;
num = 0;
for (;; str++) {
@ -1074,18 +1228,20 @@ static const char *get_ansi_color(THEME_REC *theme, const char *str,
str = endptr;
}
if (*str != ';' && *str != 'm')
if (!(*str == ';' || *str == 'm' || (*str == ':' && (num == 38 || num == 48))))
return start;
switch (num) {
case 0:
/* reset colors and attributes back to default */
fg = theme->default_color;
bg = -1;
flags &= ~(GUI_PRINT_FLAG_INDENT |
GUI_PRINT_FLAG_BOLD | GUI_PRINT_FLAG_ITALIC | GUI_PRINT_FLAG_UNDERLINE |
GUI_PRINT_FLAG_BLINK | GUI_PRINT_FLAG_REVERSE |
GUI_PRINT_FLAG_COLOR_24_FG | GUI_PRINT_FLAG_COLOR_24_BG);
ss_restore_fgcolor(theme, style_stack, &fg, &flags);
ss_restore_bgcolor(theme, style_stack, &bg, &flags);
ss_restore_flags(theme, style_stack, &flags,
GUI_PRINT_FLAG_INDENT | GUI_PRINT_FLAG_BOLD |
GUI_PRINT_FLAG_ITALIC | GUI_PRINT_FLAG_UNDERLINE |
GUI_PRINT_FLAG_BLINK | GUI_PRINT_FLAG_REVERSE |
GUI_PRINT_FLAG_COLOR_24_FG |
GUI_PRINT_FLAG_COLOR_24_BG);
break;
case 1:
/* hilight */
@ -1129,18 +1285,18 @@ static const char *get_ansi_color(THEME_REC *theme, const char *str,
break;
case 39:
/* reset fg */
flags &= ~GUI_PRINT_FLAG_COLOR_24_FG;
fg = theme->default_color;
ss_restore_fgcolor(theme, style_stack, &fg, &flags);
break;
case 49:
/* reset bg */
bg = -1;
flags &= ~(GUI_PRINT_FLAG_COLOR_24_BG | GUI_PRINT_FLAG_INDENT);
ss_restore_bgcolor(theme, style_stack, &bg, &flags);
flags &= ~GUI_PRINT_FLAG_INDENT;
break;
case 38:
case 48:
/* ANSI indexed color or RGB color */
if (*str != ';') break;
if (*str != ';' && *str != ':')
break;
str++;
if (!parse_uint(str, &endptr, 10, &num2)) {
@ -1183,7 +1339,8 @@ static const char *get_ansi_color(THEME_REC *theme, const char *str,
break;
case 5:
/* indexed */
if (*str != ';') break;
if (*str != ';' && *str != ':')
break;
str++;
if (!parse_uint(str, &endptr, 10, &num2)) {
@ -1320,7 +1477,8 @@ int strip_real_length(const char *str, int len,
if (last_color_len != NULL)
*last_color_len = 3;
str++;
} else if (str[1] == FORMAT_STYLE_DEFAULTS) {
} else if (str[1] == FORMAT_STYLE_DEFAULTS ||
str[1] == FORMAT_STYLE_THEME_DEFAULTS) {
if (last_color_pos != NULL)
*last_color_pos = (int) (str-start);
if (last_color_len != NULL)
@ -1369,14 +1527,17 @@ char *strip_codes(const char *input)
else if (p[5] == '\0') p += 4;
else p += 5;
} else
p += 2;
p += 2;
continue;
}
}
if (*p == 27 && p[1] != '\0') {
p++;
p = get_ansi_color(current_theme, p, NULL, NULL, NULL);
if (strncmp(p, "[#", 2) == 0 && (p[2] == '}' || p[2] == '{'))
p += 3;
else
p = get_ansi_color(current_theme, p, NULL, NULL, NULL, NULL);
p--;
} else if (!IS_COLOR_CODE(*p))
*out++ = *p;
@ -1398,13 +1559,18 @@ void format_send_as_gui_flags(TEXT_DEST_REC *dest, const char *text, SIGNAL_FUNC
THEME_REC *theme;
char *dup, *str, *ptr, type;
int fgcolor, bgcolor;
int flags;
int flags, oldflags;
STYLE_STACK_REC style_stack;
theme = window_get_theme(dest->window);
dup = str = g_strdup(text);
flags = 0; fgcolor = theme->default_color; bgcolor = -1;
flags = 0;
fgcolor = theme->default_color;
bgcolor = -1;
style_stack.cur = 0;
style_stack.keep = -1;
if (*str == '\0') {
/* empty line, write line info only */
@ -1437,14 +1603,16 @@ void format_send_as_gui_flags(TEXT_DEST_REC *dest, const char *text, SIGNAL_FUNC
if (type == '\n') {
handler(dest->window, GINT_TO_POINTER(-1), GINT_TO_POINTER(-1),
GINT_TO_POINTER(GUI_PRINT_FLAG_NEWLINE), "", dest);
fgcolor = theme->default_color;
bgcolor = -1;
flags &= GUI_PRINT_FLAG_INDENT|GUI_PRINT_FLAG_MONOSPACE;
ss_restore_fgcolor(theme, &style_stack, &fgcolor, &flags);
ss_restore_bgcolor(theme, &style_stack, &bgcolor, &flags);
ss_restore_flags(theme, &style_stack, &flags,
~(GUI_PRINT_FLAG_INDENT | GUI_PRINT_FLAG_MONOSPACE));
}
if (*ptr == '\0')
break;
oldflags = flags;
switch (type)
{
case 2:
@ -1486,12 +1654,26 @@ void format_send_as_gui_flags(TEXT_DEST_REC *dest, const char *text, SIGNAL_FUNC
flags |= GUI_PRINT_FLAG_INDENT;
break;
case FORMAT_STYLE_DEFAULTS:
ss_restore_fgcolor(theme, &style_stack, &fgcolor, &flags);
ss_restore_bgcolor(theme, &style_stack, &bgcolor, &flags);
ss_restore_flags(theme, &style_stack, &flags, 0);
break;
case FORMAT_STYLE_THEME_DEFAULTS:
fgcolor = theme->default_color;
bgcolor = -1;
flags &= GUI_PRINT_FLAG_INDENT|GUI_PRINT_FLAG_MONOSPACE;
break;
case FORMAT_STYLE_CLRTOEOL:
break;
case FORMAT_STYLE_PUSH:
ss_push(theme, &style_stack, oldflags, fgcolor, bgcolor);
break;
case FORMAT_STYLE_POP:
ss_pop(theme, &style_stack, oldflags, &flags, &fgcolor, &bgcolor);
break;
case FORMAT_STYLE_KEEP:
ss_keep(theme, &style_stack, oldflags, &flags, &fgcolor, &bgcolor);
break;
case FORMAT_COLOR_EXT1:
fgcolor = 0x10 + *++ptr - FORMAT_COLOR_NOCHANGE;
flags &= ~GUI_PRINT_FLAG_COLOR_24_FG;
@ -1548,10 +1730,10 @@ void format_send_as_gui_flags(TEXT_DEST_REC *dest, const char *text, SIGNAL_FUNC
/* remove all styling */
if (!hide_text_style) {
if (!hide_colors) {
fgcolor = theme->default_color;
bgcolor = -1;
ss_restore_fgcolor(theme, &style_stack, &fgcolor, &flags);
ss_restore_bgcolor(theme, &style_stack, &bgcolor, &flags);
}
flags &= GUI_PRINT_FLAG_INDENT | GUI_PRINT_FLAG_MONOSPACE;
ss_restore_flags(theme, &style_stack, &flags, 0);
}
break;
case 17:
@ -1574,12 +1756,25 @@ void format_send_as_gui_flags(TEXT_DEST_REC *dest, const char *text, SIGNAL_FUNC
flags ^= GUI_PRINT_FLAG_UNDERLINE;
break;
case 27:
/* ansi color code */
ptr = (char *)
get_ansi_color(theme, ptr,
hide_colors ? NULL : &fgcolor,
hide_colors ? NULL : &bgcolor,
hide_colors ? NULL : &flags);
if (strncmp(ptr, "[#", 2) == 0) {
switch (ptr[2]) {
case '{':
ss_push(theme, &style_stack, oldflags, fgcolor, bgcolor);
ptr += 3;
break;
case '}':
ss_pop(theme, &style_stack, oldflags, &flags, &fgcolor,
&bgcolor);
ptr += 3;
break;
}
} else {
/* ansi color code */
ptr = (char *) get_ansi_color(
theme, ptr, hide_colors ? NULL : &fgcolor,
hide_colors ? NULL : &bgcolor, hide_colors ? NULL : &flags,
&style_stack);
}
break;
}

47
src/fe-common/core/formats.h
View file

@ -151,25 +151,36 @@ void format_send_to_gui(TEXT_DEST_REC *dest, const char *text);
*/
void format_send_as_gui_flags(TEXT_DEST_REC *dest, const char *text, SIGNAL_FUNC handler);
#define FORMAT_COLOR_NOCHANGE ('0'-1) /* don't change this, at least hilighting depends this value */
#define FORMAT_COLOR_EXT1 ('0'-2)
#define FORMAT_COLOR_EXT2 ('0'-3)
#define FORMAT_COLOR_EXT3 ('0'-4)
#define FORMAT_COLOR_EXT1_BG ('0'-5)
#define FORMAT_COLOR_EXT2_BG ('0'-9)
#define FORMAT_COLOR_EXT3_BG ('0'-10)
#define FORMAT_COLOR_24 ('0'-13)
enum {
FORMAT_COLOR_24 = ('0' - 13),
FORMAT_COLOR_EXT3_BG = ('0' - 10),
FORMAT_COLOR_EXT2_BG,
FORMAT_COLOR_EXT1_BG = ('0' - 5),
FORMAT_COLOR_EXT3,
FORMAT_COLOR_EXT2,
FORMAT_COLOR_EXT1,
FORMAT_COLOR_NOCHANGE
};
/* don't change this, at least hilighting depends this value */
G_STATIC_ASSERT(FORMAT_COLOR_NOCHANGE == ('0' - 1));
enum {
FORMAT_STYLE_SPECIAL = 0x60,
FORMAT_STYLE_BLINK,
FORMAT_STYLE_UNDERLINE,
FORMAT_STYLE_BOLD,
FORMAT_STYLE_REVERSE,
FORMAT_STYLE_INDENT,
FORMAT_STYLE_ITALIC,
FORMAT_STYLE_DEFAULTS,
FORMAT_STYLE_CLRTOEOL,
FORMAT_STYLE_MONOSPACE,
FORMAT_STYLE_THEME_DEFAULTS,
FORMAT_STYLE_PUSH,
FORMAT_STYLE_POP,
FORMAT_STYLE_KEEP
};
#define FORMAT_STYLE_SPECIAL 0x60
#define FORMAT_STYLE_BLINK (0x01 + FORMAT_STYLE_SPECIAL)
#define FORMAT_STYLE_UNDERLINE (0x02 + FORMAT_STYLE_SPECIAL)
#define FORMAT_STYLE_BOLD (0x03 + FORMAT_STYLE_SPECIAL)
#define FORMAT_STYLE_REVERSE (0x04 + FORMAT_STYLE_SPECIAL)
#define FORMAT_STYLE_INDENT (0x05 + FORMAT_STYLE_SPECIAL)
#define FORMAT_STYLE_ITALIC (0x06 + FORMAT_STYLE_SPECIAL)
#define FORMAT_STYLE_DEFAULTS (0x07 + FORMAT_STYLE_SPECIAL)
#define FORMAT_STYLE_CLRTOEOL (0x08 + FORMAT_STYLE_SPECIAL)
#define FORMAT_STYLE_MONOSPACE (0x09 + FORMAT_STYLE_SPECIAL)
int format_expand_styles(GString *out, const char **format, int *flags);
void format_ext_color(GString *out, int bg, int color);
void format_24bit_color(GString *out, int bg, unsigned int color);