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Diffstat (limited to 'src/gui/gui-color.c')
-rw-r--r--src/gui/gui-color.c479
1 files changed, 469 insertions, 10 deletions
diff --git a/src/gui/gui-color.c b/src/gui/gui-color.c
index cbebc317a..bf5538897 100644
--- a/src/gui/gui-color.c
+++ b/src/gui/gui-color.c
@@ -674,25 +674,30 @@ gui_color_decode (const char *string, const char *replacement)
{
if (ptr_string[1] == GUI_COLOR_EXTENDED_CHAR)
{
- if (ptr_string[2] && ptr_string[3]
- && ptr_string[4] && ptr_string[5]
- && ptr_string[6])
+ ptr_string += 2;
+ if (ptr_string[0] && ptr_string[1]
+ && ptr_string[2] && ptr_string[3]
+ && ptr_string[4])
{
- ptr_string += 7;
+ ptr_string += 5;
}
}
else
{
- if (ptr_string[1] && ptr_string[2])
- ptr_string += 3;
+ ptr_string++;
+ if (ptr_string[0] && ptr_string[1])
+ ptr_string += 2;
}
}
break;
case GUI_COLOR_EXTENDED_CHAR:
- if ((isdigit (ptr_string[1])) && (isdigit (ptr_string[2]))
- && (isdigit (ptr_string[3])) && (isdigit (ptr_string[4]))
- && (isdigit (ptr_string[5])))
- ptr_string += 6;
+ ptr_string++;
+ if ((isdigit (ptr_string[0])) && (isdigit (ptr_string[1]))
+ && (isdigit (ptr_string[2])) && (isdigit (ptr_string[3]))
+ && (isdigit (ptr_string[4])))
+ {
+ ptr_string += 5;
+ }
break;
case GUI_COLOR_EMPHASIS_CHAR:
ptr_string++;
@@ -1005,6 +1010,460 @@ gui_color_decode_ansi (const char *string, int keep_colors)
}
/*
+ * Adds an ANSI color code with a WeeChat attribute flag.
+ */
+
+void
+gui_color_add_ansi_flag (char **output, int flag)
+{
+ switch (flag)
+ {
+ case GUI_COLOR_EXTENDED_BOLD_FLAG:
+ string_dyn_concat (output, "\x1B[1m");
+ break;
+ case GUI_COLOR_EXTENDED_REVERSE_FLAG:
+ string_dyn_concat (output, "\x1B[7m");
+ break;
+ case GUI_COLOR_EXTENDED_ITALIC_FLAG:
+ string_dyn_concat (output, "\x1B[3m");
+ break;
+ case GUI_COLOR_EXTENDED_UNDERLINE_FLAG:
+ string_dyn_concat (output, "\x1B[4m");
+ break;
+ case GUI_COLOR_EXTENDED_KEEPATTR_FLAG:
+ /* nothing to do here (really? not sure) */
+ break;
+ }
+}
+
+/*
+ * Converts a WeeChat color number to an ANSI color number.
+ *
+ * Returns -1 if the color is not found.
+ */
+
+int
+gui_color_weechat_to_ansi (int color)
+{
+ const char *ptr_color_name;
+ int i;
+
+ ptr_color_name = gui_color_search_index (color);
+ if (!ptr_color_name)
+ return -1;
+
+ for (i = 0; i < 16; i++)
+ {
+ if (strcmp (gui_color_ansi[i], ptr_color_name) == 0)
+ return i;
+ }
+
+ /* color not found */
+ return -1;
+}
+
+/*
+ * Replaces WeeChat colors by ANSI colors.
+ *
+ * Note: result must be freed after use.
+ */
+
+char *
+gui_color_encode_ansi (const char *string)
+{
+ const unsigned char *ptr_string;
+ char **out, str_concat[128], str_color[8], *error;
+ int flag, color, length, ansi_color, fg, bg, attrs;
+
+ if (!string)
+ return NULL;
+
+ out = string_dyn_alloc (((strlen (string) * 3) / 2) + 1);
+
+ ptr_string = (unsigned char *)string;
+ while (ptr_string && ptr_string[0])
+ {
+ switch (ptr_string[0])
+ {
+ case GUI_COLOR_COLOR_CHAR:
+ ptr_string++;
+ switch (ptr_string[0])
+ {
+ case GUI_COLOR_FG_CHAR:
+ ptr_string++;
+ if (ptr_string[0] == GUI_COLOR_EXTENDED_CHAR)
+ {
+ ptr_string++;
+ while ((flag = gui_color_attr_get_flag (ptr_string[0])) > 0)
+ {
+ gui_color_add_ansi_flag (out, flag);
+ ptr_string++;
+ }
+ if (ptr_string[0] && ptr_string[1] && ptr_string[2]
+ && ptr_string[3] && ptr_string[4])
+ {
+ memcpy (str_color, ptr_string, 5);
+ str_color[5] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0])
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[38;5;%dm",
+ color);
+ string_dyn_concat (out, str_concat);
+ }
+ ptr_string += 5;
+ }
+ }
+ else
+ {
+ while ((flag = gui_color_attr_get_flag (ptr_string[0])) > 0)
+ {
+ gui_color_add_ansi_flag (out, flag);
+ ptr_string++;
+ }
+ if (ptr_string[0] && ptr_string[1])
+ {
+ memcpy (str_color, ptr_string, 2);
+ str_color[2] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0])
+ {
+ ansi_color = gui_color_weechat_to_ansi (color);
+ if (ansi_color >= 0)
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[%dm",
+ (ansi_color < 8) ?
+ ansi_color + 30 : ansi_color - 8 + 90);
+ string_dyn_concat (out, str_concat);
+ }
+ }
+ ptr_string += 2;
+ }
+ }
+ break;
+ case GUI_COLOR_BG_CHAR:
+ ptr_string++;
+ if (ptr_string[0] == GUI_COLOR_EXTENDED_CHAR)
+ {
+ ptr_string++;
+ if (ptr_string[0] && ptr_string[1] && ptr_string[2]
+ && ptr_string[3] && ptr_string[4])
+ {
+ memcpy (str_color, ptr_string, 5);
+ str_color[5] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0])
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[48;5;%dm",
+ color);
+ string_dyn_concat (out, str_concat);
+ }
+ ptr_string += 5;
+ }
+ }
+ else
+ {
+ if (ptr_string[0] && ptr_string[1])
+ {
+ memcpy (str_color, ptr_string, 2);
+ str_color[2] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0])
+ {
+ ansi_color = gui_color_weechat_to_ansi (color);
+ if (ansi_color >= 0)
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[%dm",
+ (ansi_color < 8) ?
+ ansi_color + 40 : ansi_color - 8 + 100);
+ string_dyn_concat (out, str_concat);
+ }
+ }
+ ptr_string += 2;
+ }
+ }
+ break;
+ case GUI_COLOR_FG_BG_CHAR:
+ ptr_string++;
+ if (ptr_string[0] == GUI_COLOR_EXTENDED_CHAR)
+ {
+ ptr_string++;
+ while ((flag = gui_color_attr_get_flag (ptr_string[0])) > 0)
+ {
+ gui_color_add_ansi_flag (out, flag);
+ ptr_string++;
+ }
+ if (ptr_string[0] && ptr_string[1] && ptr_string[2]
+ && ptr_string[3] && ptr_string[4])
+ {
+ memcpy (str_color, ptr_string, 5);
+ str_color[5] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0])
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[38;5;%dm",
+ color);
+ string_dyn_concat (out, str_concat);
+ }
+ ptr_string += 5;
+ }
+ }
+ else
+ {
+ while ((flag = gui_color_attr_get_flag (ptr_string[0])) > 0)
+ {
+ gui_color_add_ansi_flag (out, flag);
+ ptr_string++;
+ }
+ if (ptr_string[0] && ptr_string[1])
+ {
+ memcpy (str_color, ptr_string, 2);
+ str_color[2] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0])
+ {
+ ansi_color = gui_color_weechat_to_ansi (color);
+ if (ansi_color >= 0)
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[%dm",
+ (ansi_color < 8) ?
+ ansi_color + 30 : ansi_color - 8 + 90);
+ string_dyn_concat (out, str_concat);
+ }
+ }
+ ptr_string += 2;
+ }
+ }
+ /*
+ * note: the comma is an old separator not used any
+ * more (since WeeChat 2.6), but we still use it here
+ * so in case of/upgrade this will not break colors in
+ * old messages
+ */
+ if ((ptr_string[0] == ',') || (ptr_string[0] == '~'))
+ {
+ if (ptr_string[1] == GUI_COLOR_EXTENDED_CHAR)
+ {
+ ptr_string += 2;
+ if (ptr_string[0] && ptr_string[1]
+ && ptr_string[2] && ptr_string[3]
+ && ptr_string[4])
+ {
+ memcpy (str_color, ptr_string, 5);
+ str_color[5] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0])
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[48;5;%dm",
+ color);
+ string_dyn_concat (out, str_concat);
+ }
+ ptr_string += 5;
+ }
+ }
+ else
+ {
+ ptr_string++;
+ if (ptr_string[0] && ptr_string[1])
+ {
+ memcpy (str_color, ptr_string, 2);
+ str_color[2] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0])
+ {
+ ansi_color = gui_color_weechat_to_ansi (color);
+ if (ansi_color >= 0)
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[%dm",
+ (ansi_color < 8) ?
+ ansi_color + 40 : ansi_color - 8 + 100);
+ string_dyn_concat (out, str_concat);
+ }
+ }
+ ptr_string += 2;
+ }
+ }
+ }
+ break;
+ case GUI_COLOR_EXTENDED_CHAR:
+ ptr_string++;
+ if ((isdigit (ptr_string[0])) && (isdigit (ptr_string[1]))
+ && (isdigit (ptr_string[2])) && (isdigit (ptr_string[3]))
+ && (isdigit (ptr_string[4])))
+ {
+ memcpy (str_color, ptr_string, 5);
+ str_color[5] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0])
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[38;5;%dm",
+ color);
+ string_dyn_concat (out, str_concat);
+ }
+ ptr_string += 5;
+ }
+ break;
+ case GUI_COLOR_EMPHASIS_CHAR:
+ ptr_string++;
+ break;
+ case GUI_COLOR_BAR_CHAR:
+ ptr_string++;
+ switch (ptr_string[0])
+ {
+ case GUI_COLOR_BAR_FG_CHAR:
+ case GUI_COLOR_BAR_BG_CHAR:
+ case GUI_COLOR_BAR_DELIM_CHAR:
+ case GUI_COLOR_BAR_START_INPUT_CHAR:
+ case GUI_COLOR_BAR_START_INPUT_HIDDEN_CHAR:
+ case GUI_COLOR_BAR_MOVE_CURSOR_CHAR:
+ case GUI_COLOR_BAR_START_ITEM:
+ case GUI_COLOR_BAR_START_LINE_ITEM:
+ ptr_string++;
+ break;
+ }
+ break;
+ case GUI_COLOR_RESET_CHAR:
+ ptr_string++;
+ string_dyn_concat (out, "\x1B[39m\x1B[49m");
+ break;
+ default:
+ if (isdigit (ptr_string[0]) && isdigit (ptr_string[1]))
+ {
+ memcpy (str_color, ptr_string, 2);
+ str_color[2] = '\0';
+ error = NULL;
+ color = (int)strtol (str_color, &error, 10);
+ if (error && !error[0]
+ && (color >= 0)
+ && (color < GUI_COLOR_NUM_COLORS))
+ {
+ fg = gui_color[color]->foreground;
+ bg = gui_color[color]->background;
+ attrs = gui_color_get_extended_flags (
+ gui_color[color]->attributes);
+ string_dyn_concat (out, "\x1B[0m");
+ if (attrs & GUI_COLOR_EXTENDED_BOLD_FLAG)
+ string_dyn_concat (out, "\x1B[1m");
+ if (attrs & GUI_COLOR_EXTENDED_REVERSE_FLAG)
+ string_dyn_concat (out, "\x1B[7m");
+ if (attrs & GUI_COLOR_EXTENDED_ITALIC_FLAG)
+ string_dyn_concat (out, "\x1B[3m");
+ if (attrs & GUI_COLOR_EXTENDED_UNDERLINE_FLAG)
+ string_dyn_concat (out, "\x1B[4m");
+ if ((fg > 0) && (fg & GUI_COLOR_EXTENDED_FLAG))
+ fg &= GUI_COLOR_EXTENDED_MASK;
+ if ((bg > 0) && (bg & GUI_COLOR_EXTENDED_FLAG))
+ bg &= GUI_COLOR_EXTENDED_MASK;
+ if (fg < 0)
+ {
+ string_dyn_concat (out, "\x1B[39m");
+ }
+ else
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[38;5;%dm",
+ fg);
+ string_dyn_concat (out, str_concat);
+ }
+ if (bg < 0)
+ {
+ string_dyn_concat (out, "\x1B[49m");
+ }
+ else
+ {
+ snprintf (str_concat, sizeof (str_concat),
+ "\x1B[48;5;%dm",
+ bg);
+ string_dyn_concat (out, str_concat);
+ }
+ }
+ ptr_string += 2;
+ }
+ break;
+ }
+ break;
+ case GUI_COLOR_SET_ATTR_CHAR:
+ ptr_string++;
+ if (ptr_string[0])
+ {
+ switch (ptr_string[0])
+ {
+ case GUI_COLOR_ATTR_BOLD_CHAR:
+ string_dyn_concat (out, "\x1B[1m");
+ break;
+ case GUI_COLOR_ATTR_REVERSE_CHAR:
+ string_dyn_concat (out, "\x1B[7m");
+ break;
+ case GUI_COLOR_ATTR_ITALIC_CHAR:
+ string_dyn_concat (out, "\x1B[3m");
+ break;
+ case GUI_COLOR_ATTR_UNDERLINE_CHAR:
+ string_dyn_concat (out, "\x1B[4m");
+ break;
+ }
+ ptr_string++;
+ }
+ break;
+ case GUI_COLOR_REMOVE_ATTR_CHAR:
+ ptr_string++;
+ if (ptr_string[0])
+ {
+ switch (ptr_string[0])
+ {
+ case GUI_COLOR_ATTR_BOLD_CHAR:
+ string_dyn_concat (out, "\x1B[21m");
+ break;
+ case GUI_COLOR_ATTR_REVERSE_CHAR:
+ string_dyn_concat (out, "\x1B[27m");
+ break;
+ case GUI_COLOR_ATTR_ITALIC_CHAR:
+ string_dyn_concat (out, "\x1B[23m");
+ break;
+ case GUI_COLOR_ATTR_UNDERLINE_CHAR:
+ string_dyn_concat (out, "\x1B[24m");
+ break;
+ }
+ ptr_string++;
+ }
+ break;
+ case GUI_COLOR_RESET_CHAR:
+ string_dyn_concat (out, "\x1B[0m");
+ ptr_string++;
+ break;
+ default:
+ length = utf8_char_size ((char *)ptr_string);
+ if (length == 0)
+ length = 1;
+ memcpy (str_concat, ptr_string, length);
+ str_concat[length] = '\0';
+ string_dyn_concat (out, str_concat);
+ ptr_string += length;
+ break;
+ }
+ }
+
+ return string_dyn_free (out, 0);
+}
+
+/*
* Emphasizes a string or regular expression in a string (which can contain
* colors).
*
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 17:29:19 +0000