int
gui_chat_string_real_pos (const char *string, int pos, int use_screen_size)
{
const char *real_pos, *real_pos_prev, *ptr_string;
int size_on_screen;
if (pos <= 0)
return 0;
real_pos = string;
real_pos_prev = string;
ptr_string = string;
while (ptr_string && ptr_string[0] && (pos >= 0))
{
ptr_string = gui_chat_string_next_char (NULL, NULL,
(unsigned char *)ptr_string,
0, 0, 0);
if (ptr_string)
{
size_on_screen = gui_chat_char_size_screen (ptr_string);
if (size_on_screen > 0)
pos -= (use_screen_size) ? size_on_screen : 1;
ptr_string = utf8_next_char (ptr_string);
real_pos_prev = real_pos;
real_pos = ptr_string;
}
}
if (pos < 0)
real_pos = real_pos_prev;
return 0 + (real_pos - string);
}
void
gui_chat_get_word_info (struct t_gui_window *window,
const char *data,
int *word_start_offset, int *word_end_offset,
int *word_length_with_spaces, int *word_length)
{
const char *start_data;
char *next_char, *next_char2;
int leading_spaces, char_size_screen;
*word_start_offset = 0;
*word_end_offset = 0;
*word_length_with_spaces = 0;
*word_length = 0;
start_data = data;
leading_spaces = 1;
while (data && data[0])
{
next_char = gui_chat_string_next_char (window, NULL,
(unsigned char *)data, 0, 0, 0);
if (next_char)
{
next_char2 = utf8_next_char (next_char);
if (next_char2)
{
if (next_char[0] != ' ')
{
if (leading_spaces)
*word_start_offset = next_char - start_data;
leading_spaces = 0;
*word_end_offset = next_char2 - start_data - 1;
char_size_screen = gui_chat_char_size_screen (next_char);
(*word_length_with_spaces) += char_size_screen;
(*word_length) += char_size_screen;
}
else
{
if (leading_spaces)
{
(*word_length_with_spaces)++;
*word_end_offset = next_char2 - start_data - 1;
}
else
{
*word_end_offset = next_char - start_data - 1;
return;
}
}
data = next_char2;
}
}
else
{
*word_end_offset = data + strlen (data) - start_data - 1;
return;
}
}
}
const char *
gui_chat_string_add_offset_screen (const char *string, int offset_screen)
{
int size_on_screen;
while (string && string[0] && (offset_screen > 0))
{
string = gui_chat_string_next_char (NULL, NULL,
(unsigned char *)string,
0, 0, 0);
if (string)
{
size_on_screen = gui_chat_char_size_screen (string);
offset_screen -= size_on_screen;
string = utf8_next_char (string);
}
}
return string;
}
int
gui_chat_strlen_screen (const char *string)
{
int length, size_on_screen;
length = 0;
while (string && string[0])
{
string = gui_chat_string_next_char (NULL, NULL,
(unsigned char *)string, 0, 0, 0);
if (string)
{
size_on_screen = gui_chat_char_size_screen (string);
if (size_on_screen > 0)
length += size_on_screen;
string = utf8_next_char (string);
}
}
return length;
}
