FCITX_EXPORT_API
bool fcitx_color_parse(FcitxColor* color, const char* str)
{
size_t idx = 0;
// skip space
while (str[idx] && fcitx_utils_isspace(str[idx])) {
idx ++;
}
if (str[idx] == '#') {
// count the digit length
size_t len = 0;
const char* digits = &str[idx + 1];
while(digits[len] &&
(fcitx_utils_isdigit(digits[len]) ||
('A' <= digits[len] && digits[len] <= 'F') |
('a' <= digits[len] && digits[len] <= 'f'))) {
len++;
}
if (len != 8) {
return false;
}
int r, g, b, a;
r = to_hex_digit(digits[0], digits[1]);
digits += 2;
g = to_hex_digit(digits[0], digits[1]);
digits += 2;
b = to_hex_digit(digits[0], digits[1]);
digits += 2;
a = to_hex_digit(digits[0], digits[1]);
if (IsColorValid(r) && IsColorValid(g) && IsColorValid(b) && IsColorValid(a)) {
color->red = r / 255.0;
color->green = g / 255.0;
color->blue = b / 255.0;
color->alpha = a / 255.0;
return true;
}
} else {
int r, g, b;
if (sscanf(str, "%d %d %d", &r, &g, &b) != 3) {
return false;
}
if (IsColorValid(r) && IsColorValid(g) && IsColorValid(b)) {
color->red = r / 255.0;
color->green = g / 255.0;
color->blue = b / 255.0;
color->alpha = 1.0;
return true;
}
}
return false;
}
static void to_hex(char *dest, const uint8_t *src, size_t len)
{
size_t i;
for(i = 0; i < len; ++i) {
*dest++ = to_hex_digit(src[i] >> 4);
*dest++ = to_hex_digit(src[i] & 0xf);
}
}
/** Return a printable text string.
*
* Takes a string, and any ASCII characters that are not printable are
* replaced by the corresponding escape sequence in the returned
* string.
*
* @param outstr Output string pointer
* @param in Input string pointer
* @param inlen Maximum length of string to read not including terminating 0.
* @param outlen Maximum length of string to return not including terminating 0.
* 0 means MAXSTRINGLEN.
* @param quoted Put double quotes around the string. If input string is truncated
* in will have "..." after the second quote.
* @param user Set this to indicate the input string pointer is a userspace pointer.
*/
static int _stp_text_str(char *outstr, const char *in, int inlen, int outlen,
int quoted, int user, int buffer)
{
int c = 0;
char *out = outstr;
if (inlen <= 0 || inlen > MAXSTRINGLEN-1)
inlen = MAXSTRINGLEN-1;
if (outlen <= 0 || outlen > MAXSTRINGLEN-1)
outlen = MAXSTRINGLEN-1;
if (quoted) {
outlen = max(outlen, 5) - 2;
*out++ = '"';
}
while (inlen > 0) {
int num = 1;
int n = _stp_decode_utf8(in, inlen, user, &c);
if (n <= 0)
goto bad;
if ((c == 0 && !buffer) || outlen <= 0)
break;
in += n;
inlen -= n;
if (n > 1) {
/* UTF-8, print \uXXXX or \UXXXXXXXX */
int i;
num = (c <= 0xFFFF) ? 6 : 10;
if (outlen < num)
break;
*out++ = '\\';
*out++ = (c <= 0xFFFF) ? 'u' : 'U';
for (i = num - 3; i >= 0; --i) {
char nibble = (c >> (i * 4)) & 0xF;
*out++ = to_hex_digit(nibble);
}
}
else if (isascii(c) && isprint(c)
static gunichar
json_scanner_get_unichar (JsonScanner *scanner,
guint *line_p,
guint *position_p)
{
gunichar uchar;
gchar ch;
gint i;
uchar = 0;
for (i = 0; i < 4; i++)
{
ch = json_scanner_get_char (scanner, line_p, position_p);
if (is_hex_digit (ch))
uchar += ((gunichar) to_hex_digit (ch) << ((3 - i) * 4));
else
break;
}
g_assert (g_unichar_validate (uchar) || g_unichar_type (uchar) == G_UNICODE_SURROGATE);
return uchar;
}
static gboolean
on_captured_event (ClutterText *text,
ClutterEvent *event,
gpointer dummy G_GNUC_UNUSED)
{
gboolean is_unicode_mode = FALSE;
gunichar c;
guint keyval;
if (event->type != CLUTTER_KEY_PRESS)
return FALSE;
is_unicode_mode = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (text),
"unicode-mode"));
c = clutter_event_get_key_unicode (event);
keyval = clutter_event_get_key_symbol (event);
if (keyval == CLUTTER_KEY_U)
{
if (is_unicode_mode)
{
GString *str = g_object_get_data (G_OBJECT (text), "unicode-str");
clutter_text_set_preedit_string (text, NULL, NULL, 0);
g_object_set_data (G_OBJECT (text), "unicode-mode",
GINT_TO_POINTER (FALSE));
g_object_set_data (G_OBJECT (text), "unicode-str",
NULL);
g_string_free (str, TRUE);
return FALSE;
}
if (clutter_event_has_control_modifier (event))
{
PangoAttrList *attrs;
PangoAttribute *a;
GString *str = g_string_sized_new (5);
g_string_append (str, "u");
g_object_set_data (G_OBJECT (text),
"unicode-mode",
GINT_TO_POINTER (TRUE));
g_object_set_data (G_OBJECT (text),
"unicode-str",
str);
attrs = pango_attr_list_new ();
a = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
a->start_index = 0;
a->end_index = str->len;
pango_attr_list_insert (attrs, a);
clutter_text_set_preedit_string (text, str->str, attrs, str->len);
pango_attr_list_unref (attrs);
return TRUE;
}
return FALSE;
}
else if (is_unicode_mode && is_hex_digit (c))
{
GString *str = g_object_get_data (G_OBJECT (text), "unicode-str");
PangoAttrList *attrs;
PangoAttribute *a;
gchar buf[8];
gsize len;
len = g_unichar_to_utf8 (c, buf);
buf[len] = '\0';
g_string_append (str, buf);
g_print ("added '%s' to '%s' (len:%d)\n",
buf,
str->str,
(int) str->len);
attrs = pango_attr_list_new ();
a = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
a->start_index = 0;
a->end_index = str->len;
pango_attr_list_insert (attrs, a);
clutter_text_set_preedit_string (text, str->str, attrs, str->len);
pango_attr_list_unref (attrs);
return TRUE;
}
else if (is_unicode_mode && (keyval == CLUTTER_KEY_BackSpace))
{
GString *str = g_object_get_data (G_OBJECT (text), "unicode-str");
PangoAttrList *attrs;
PangoAttribute *a;
g_string_truncate (str, str->len - 1);
attrs = pango_attr_list_new ();
a = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
a->start_index = 0;
a->end_index = str->len;
pango_attr_list_insert (attrs, a);
clutter_text_set_preedit_string (text, str->str, attrs, str->len);
pango_attr_list_unref (attrs);
return TRUE;
}
else if (is_unicode_mode &&
(keyval == CLUTTER_KEY_Return ||
keyval == CLUTTER_KEY_KP_Enter ||
keyval == CLUTTER_KEY_ISO_Enter ||
keyval == CLUTTER_KEY_KP_Space))
{
GString *str = g_object_get_data (G_OBJECT (text), "unicode-str");
const gchar *contents = clutter_text_get_text (text);
gunichar uchar = 0;
gchar ch;
gint i;
clutter_text_set_preedit_string (text, NULL, NULL, 0);
g_object_set_data (G_OBJECT (text), "unicode-mode",
GINT_TO_POINTER (FALSE));
g_object_set_data (G_OBJECT (text), "unicode-str",
NULL);
for (i = 0; i < str->len; i++)
{
ch = str->str[i];
if (is_hex_digit (ch))
uchar += ((gunichar) to_hex_digit (ch) << ((4 - i) * 4));
}
g_assert (g_unichar_validate (uchar));
g_string_overwrite (str, 0, contents);
g_string_insert_unichar (str,
clutter_text_get_cursor_position (text),
uchar);
i = clutter_text_get_cursor_position (text);
clutter_text_set_text (text, str->str);
if (i >= 0)
i += 1;
else
i = -1;
clutter_text_set_cursor_position (text, i);
clutter_text_set_selection_bound (text, i);
g_string_free (str, TRUE);
return TRUE;
}
else
return FALSE;
}