int
gui_chat_string_real_pos (const char *string, int pos)
{
const char *real_pos, *ptr_string;
int size_on_screen;
if (pos <= 0)
return 0;
real_pos = string;
ptr_string = string;
while (ptr_string && ptr_string[0] && (pos > 0))
{
ptr_string = gui_chat_string_next_char (NULL,
(unsigned char *)ptr_string,
0);
if (ptr_string)
{
size_on_screen = (((unsigned char)ptr_string[0]) < 32) ? 1 : utf8_char_size_screen (ptr_string);
if (size_on_screen > 0)
pos -= size_on_screen;
ptr_string = utf8_next_char (ptr_string);
real_pos = ptr_string;
}
}
return 0 + (real_pos - string);
}
TEST(Utf8, Size)
{
/* char size */
LONGS_EQUAL(0, utf8_char_size (NULL));
LONGS_EQUAL(1, utf8_char_size (""));
LONGS_EQUAL(1, utf8_char_size ("A"));
LONGS_EQUAL(2, utf8_char_size ("ë"));
LONGS_EQUAL(3, utf8_char_size ("€"));
LONGS_EQUAL(4, utf8_char_size (han_char));
/* char size on screen */
LONGS_EQUAL(0, utf8_char_size_screen (NULL));
LONGS_EQUAL(0, utf8_char_size_screen (""));
LONGS_EQUAL(1, utf8_char_size_screen ("A"));
LONGS_EQUAL(1, utf8_char_size_screen ("ë"));
LONGS_EQUAL(1, utf8_char_size_screen ("€"));
/* this test does not work on Ubuntu Precise: it returns 2 instead of 1 */
/*LONGS_EQUAL(1, utf8_char_size_screen (han_char));*/
/* length of string (in chars) */
LONGS_EQUAL(0, utf8_strlen (NULL));
LONGS_EQUAL(0, utf8_strlen (""));
LONGS_EQUAL(1, utf8_strlen ("A"));
LONGS_EQUAL(1, utf8_strlen ("ë"));
LONGS_EQUAL(1, utf8_strlen ("€"));
LONGS_EQUAL(1, utf8_strlen (han_char));
/* length of string (in chars, for max N bytes) */
LONGS_EQUAL(0, utf8_strnlen (NULL, 0));
LONGS_EQUAL(0, utf8_strnlen ("", 0));
LONGS_EQUAL(1, utf8_strnlen ("AZ", 1));
LONGS_EQUAL(1, utf8_strnlen ("ëZ", 2));
LONGS_EQUAL(1, utf8_strnlen ("€Z", 3));
LONGS_EQUAL(1, utf8_strnlen (han_char_z, 4));
/* length of string on screen (in chars) */
LONGS_EQUAL(0, utf8_strlen_screen (NULL));
LONGS_EQUAL(0, utf8_strlen_screen (""));
LONGS_EQUAL(1, utf8_strlen_screen ("A"));
LONGS_EQUAL(1, utf8_strlen_screen ("ë"));
LONGS_EQUAL(1, utf8_strlen_screen ("€"));
/* this test does not work on Ubuntu Precise: it returns 2 instead of 1 */
/*LONGS_EQUAL(1, utf8_strlen_screen (han_char));*/
LONGS_EQUAL(1, utf8_strlen_screen ("\x7f"));
}
int
gui_chat_char_size_screen (const char *utf_char)
{
/* if char is invalid, it will be displayed as one space on screen */
if (!gui_chat_utf_char_valid (utf_char))
return 1;
return utf8_char_size_screen (utf_char);
}
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, (unsigned char *)string, 0);
if (string)
{
size_on_screen = (((unsigned char)string[0]) < 32) ? 1 : utf8_char_size_screen (string);
if (size_on_screen > 0)
length += size_on_screen;
string = utf8_next_char (string);
}
}
return length;
}
TEST(CoreUtf8, Size)
{
/* char size */
LONGS_EQUAL(0, utf8_char_size (NULL));
LONGS_EQUAL(1, utf8_char_size (""));
LONGS_EQUAL(1, utf8_char_size ("A"));
LONGS_EQUAL(2, utf8_char_size ("ë"));
LONGS_EQUAL(3, utf8_char_size ("€"));
LONGS_EQUAL(3, utf8_char_size (cjk_yellow));
LONGS_EQUAL(4, utf8_char_size (han_char));
/* char size on screen */
LONGS_EQUAL(0, utf8_char_size_screen (NULL));
LONGS_EQUAL(0, utf8_char_size_screen (""));
LONGS_EQUAL(1, utf8_char_size_screen ("A"));
LONGS_EQUAL(1, utf8_char_size_screen ("ë"));
LONGS_EQUAL(1, utf8_char_size_screen ("€"));
LONGS_EQUAL(2, utf8_char_size_screen (cjk_yellow));
/* length of string (in chars) */
LONGS_EQUAL(0, utf8_strlen (NULL));
LONGS_EQUAL(0, utf8_strlen (""));
LONGS_EQUAL(1, utf8_strlen ("A"));
LONGS_EQUAL(1, utf8_strlen ("ë"));
LONGS_EQUAL(1, utf8_strlen ("€"));
LONGS_EQUAL(1, utf8_strlen (cjk_yellow));
LONGS_EQUAL(1, utf8_strlen (han_char));
/* length of string (in chars, for max N bytes) */
LONGS_EQUAL(0, utf8_strnlen (NULL, 0));
LONGS_EQUAL(0, utf8_strnlen ("", 0));
LONGS_EQUAL(1, utf8_strnlen ("AZ", 1));
LONGS_EQUAL(1, utf8_strnlen ("ëZ", 2));
LONGS_EQUAL(1, utf8_strnlen ("€Z", 3));
LONGS_EQUAL(1, utf8_strnlen (han_char_z, 4));
/* length of string on screen (in chars) */
LONGS_EQUAL(0, utf8_strlen_screen (NULL));
LONGS_EQUAL(0, utf8_strlen_screen (""));
LONGS_EQUAL(1, utf8_strlen_screen ("A"));
LONGS_EQUAL(1, utf8_strlen_screen ("ë"));
LONGS_EQUAL(1, utf8_strlen_screen ("€"));
LONGS_EQUAL(1, utf8_strlen_screen ("\x7f"));
LONGS_EQUAL(2, utf8_strlen_screen (cjk_yellow));
}
int
gui_bar_window_print_string (struct t_gui_bar_window *bar_window,
enum t_gui_bar_filling filling,
int *x, int *y,
const char *string,
int reset_color_before_display,
int hide_chars_if_scrolling,
int *index_item, int *index_subitem, int *index_line)
{
int x_with_hidden, size_on_screen, low_char, hidden;
char utf_char[16], *next_char, *output;
if (!string || !string[0])
return 1;
wmove (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar, *y, *x);
if (reset_color_before_display)
{
gui_window_set_custom_color_fg_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_FG]),
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
}
x_with_hidden = *x;
hidden = 0;
while (string && string[0])
{
switch (string[0])
{
case GUI_COLOR_COLOR_CHAR:
string++;
switch (string[0])
{
case GUI_COLOR_FG_CHAR: /* fg color */
string++;
gui_window_string_apply_color_fg ((unsigned char **)&string,
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
break;
case GUI_COLOR_BG_CHAR: /* bg color */
string++;
gui_window_string_apply_color_bg ((unsigned char **)&string,
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
break;
case GUI_COLOR_FG_BG_CHAR: /* fg + bg color */
string++;
gui_window_string_apply_color_fg_bg ((unsigned char **)&string,
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
break;
case GUI_COLOR_EXTENDED_CHAR: /* pair number */
string++;
gui_window_string_apply_color_pair ((unsigned char **)&string,
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
break;
case GUI_COLOR_EMPHASIS_CHAR: /* emphasis */
string++;
gui_window_toggle_emphasis ();
break;
case GUI_COLOR_BAR_CHAR: /* bar color */
switch (string[1])
{
case GUI_COLOR_BAR_FG_CHAR:
/* bar foreground */
string += 2;
gui_window_set_custom_color_fg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_FG]));
break;
case GUI_COLOR_BAR_DELIM_CHAR:
/* bar delimiter */
string += 2;
gui_window_set_custom_color_fg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_DELIM]));
break;
case GUI_COLOR_BAR_BG_CHAR:
/* bar background */
string += 2;
gui_window_set_custom_color_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
break;
case GUI_COLOR_BAR_START_INPUT_CHAR:
string += 2;
hidden = 0;
break;
case GUI_COLOR_BAR_START_INPUT_HIDDEN_CHAR:
string += 2;
hidden = 1;
break;
case GUI_COLOR_BAR_MOVE_CURSOR_CHAR:
/* move cursor to current position on screen */
string += 2;
getyx (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
bar_window->cursor_y,
bar_window->cursor_x);
bar_window->cursor_x += bar_window->x;
bar_window->cursor_y += bar_window->y;
break;
case GUI_COLOR_BAR_START_ITEM:
string += 2;
if (*index_item < 0)
{
*index_item = 0;
*index_subitem = 0;
}
else
{
(*index_subitem)++;
if (*index_subitem >= bar_window->items_subcount[*index_item])
{
(*index_item)++;
*index_subitem = 0;
}
}
*index_line = 0;
gui_bar_window_coords_add (bar_window,
(*index_item >= bar_window->items_count) ? -1 : *index_item,
(*index_item >= bar_window->items_count) ? -1 : *index_subitem,
*index_line,
*x + bar_window->x,
*y + bar_window->y);
break;
case GUI_COLOR_BAR_START_LINE_ITEM:
string += 2;
(*index_line)++;
gui_bar_window_coords_add (bar_window,
*index_item,
*index_subitem,
*index_line,
*x + bar_window->x,
*y + bar_window->y);
break;
default:
string++;
break;
}
break;
case GUI_COLOR_RESET_CHAR: /* reset color (keep attributes) */
string++;
gui_window_set_custom_color_fg_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_FG]),
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
break;
default:
gui_window_string_apply_color_weechat ((unsigned char **)&string,
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
break;
}
break;
case GUI_COLOR_SET_ATTR_CHAR:
string++;
gui_window_string_apply_color_set_attr ((unsigned char **)&string,
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
break;
case GUI_COLOR_REMOVE_ATTR_CHAR:
string++;
gui_window_string_apply_color_remove_attr ((unsigned char **)&string,
GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar);
break;
case GUI_COLOR_RESET_CHAR:
string++;
gui_window_remove_color_style (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
A_ALL_ATTR);
gui_window_set_custom_color_fg_bg (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_FG]),
CONFIG_COLOR(bar_window->bar->options[GUI_BAR_OPTION_COLOR_BG]));
break;
default:
next_char = utf8_next_char (string);
if (!next_char)
break;
memcpy (utf_char, string, next_char - string);
utf_char[next_char - string] = '\0';
if ((((unsigned char)utf_char[0]) < 32) && (!utf_char[1]))
{
low_char = 1;
snprintf (utf_char, sizeof (utf_char), "%c",
'A' + ((unsigned char)utf_char[0]) - 1);
}
else
{
low_char = 0;
if (!gui_chat_utf_char_valid (utf_char))
snprintf (utf_char, sizeof (utf_char), " ");
}
size_on_screen = utf8_char_size_screen (utf_char);
if (size_on_screen >= 0)
{
if (hide_chars_if_scrolling
&& (x_with_hidden < bar_window->scroll_x))
{
/* hidden char (before scroll_x value) */
x_with_hidden++;
}
else if (!hidden)
{
if (*x + size_on_screen > bar_window->width)
{
if (filling == GUI_BAR_FILLING_VERTICAL)
return 1;
if (*y >= bar_window->height - 1)
return 0;
*x = 0;
(*y)++;
wmove (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar, *y, *x);
}
output = string_iconv_from_internal (NULL, utf_char);
if (low_char)
wattron (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar, A_REVERSE);
waddstr (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
(output) ? output : utf_char);
if (low_char)
wattroff (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar, A_REVERSE);
if (output)
free (output);
if (gui_window_current_emphasis)
{
gui_window_emphasize (GUI_BAR_WINDOW_OBJECTS(bar_window)->win_bar,
*x, *y, size_on_screen);
}
*x += size_on_screen;
}
}
string = next_char;
break;
}
}
return 1;
}