static inline void
print_to_widget (WEdit * edit, long row, int start_col, int start_col_real,
long end_col, struct line_s line[], char *status, int bookmarked)
{
struct line_s *p;
int x = start_col_real;
int x1 = start_col + EDIT_TEXT_HORIZONTAL_OFFSET + option_line_state_width;
int y = row + EDIT_TEXT_VERTICAL_OFFSET;
int cols_to_skip = abs (x);
int i;
int wrap_start;
int len;
tty_setcolor (EDITOR_NORMAL_COLOR);
if (bookmarked != 0)
tty_setcolor (bookmarked);
len = end_col + 1 - start_col;
wrap_start = option_word_wrap_line_length + edit->start_col;
if (len > 0 && edit->widget.y + y >= 0)
{
if (!show_right_margin || wrap_start > end_col)
tty_draw_hline (edit->widget.y + y, edit->widget.x + x1, ' ', len);
else if (wrap_start < 0)
{
tty_setcolor (EDITOR_RIGHT_MARGIN_COLOR);
tty_draw_hline (edit->widget.y + y, edit->widget.x + x1, ' ', len);
}
else
{
if (wrap_start > 0)
tty_draw_hline (edit->widget.y + y, edit->widget.x + x1, ' ', wrap_start);
len -= wrap_start;
if (len > 0)
{
tty_setcolor (EDITOR_RIGHT_MARGIN_COLOR);
tty_draw_hline (edit->widget.y + y, edit->widget.x + x1 + wrap_start, ' ', len);
}
}
}
if (option_line_state)
{
tty_setcolor (LINE_STATE_COLOR);
for (i = 0; i < LINE_STATE_WIDTH; i++)
{
edit_move (x1 + i - option_line_state_width, y);
if (status[i] == '\0')
status[i] = ' ';
tty_print_char (status[i]);
}
}
edit_move (x1, y);
p = line;
i = 1;
while (p->ch)
{
int style;
unsigned int textchar;
int color;
if (cols_to_skip)
{
p++;
cols_to_skip--;
continue;
}
style = p->style & 0xFF00;
textchar = p->ch;
color = p->style >> 16;
if (style & MOD_ABNORMAL)
{
/* Non-printable - use black background */
color = 0;
}
if (style & MOD_WHITESPACE)
{
if (style & MOD_MARKED)
{
textchar = ' ';
tty_setcolor (EDITOR_MARKED_COLOR);
}
else
{
#if 0
if (color != EDITOR_NORMAL_COLOR)
{
textchar = ' ';
tty_lowlevel_setcolor (color);
}
else
#endif
tty_setcolor (EDITOR_WHITESPACE_COLOR);
}
}
else
{
if (style & MOD_BOLD)
{
tty_setcolor (EDITOR_BOLD_COLOR);
}
else if (style & MOD_MARKED)
{
tty_setcolor (EDITOR_MARKED_COLOR);
}
else
{
tty_lowlevel_setcolor (color);
}
}
if (show_right_margin)
{
if (i > option_word_wrap_line_length + edit->start_col)
tty_setcolor (EDITOR_RIGHT_MARGIN_COLOR);
i++;
}
tty_print_anychar (textchar);
p++;
}
}
/**
* Parse, format and possibly display one visual line of text.
*
* Formatting starts at the given "state" (which encodes the file offset and parser and formatter's
* internal state). In unwrap mode, this should point to the beginning of the paragraph with the
* default state, the additional horizontal scrolling is added here. In wrap mode, this should
* point to the beginning of the line, with the proper state at that point.
*
* In wrap mode, if a line ends in a newline, it is consumed, even if it's exactly at the right
* edge. In unwrap mode, the whole remaining line, including the newline is consumed. Displaying
* the next line should start at "state"'s new value, or if we displayed the bottom line then
* state->offset tells the file offset to be shown in the top bar.
*
* If "row" is offscreen, don't actually display the line but still update "state" and return the
* proper value. This is used by mcview_wrap_move_down to advance in the file.
*
* @param view ...
* @param state the parser-formatter state machine's state, updated
* @param row print to this row
* @param paragraph_ended store TRUE if paragraph ended by newline or EOF, FALSE if wraps to next
* line
* @param linewidth store the width of the line here
* @return the number of rows, that is, 0 if we were already at EOF, otherwise 1
*/
static int
mcview_display_line (WView * view, mcview_state_machine_t * state, int row,
gboolean * paragraph_ended, off_t * linewidth)
{
const screen_dimen left = view->data_area.left;
const screen_dimen top = view->data_area.top;
const screen_dimen width = view->data_area.width;
const screen_dimen height = view->data_area.height;
off_t dpy_text_column = view->text_wrap_mode ? 0 : view->dpy_text_column;
screen_dimen col = 0;
int cs[1 + MAX_COMBINING_CHARS];
char str[(1 + MAX_COMBINING_CHARS) * UTF8_CHAR_LEN + 1];
int i, j;
if (paragraph_ended != NULL)
*paragraph_ended = TRUE;
if (!view->text_wrap_mode && (row < 0 || row >= (int) height) && linewidth == NULL)
{
/* Optimization: Fast forward to the end of the line, rather than carefully
* parsing and then not actually displaying it. */
off_t eol;
int retval;
eol = mcview_eol (view, state->offset, mcview_get_filesize (view));
retval = (eol > state->offset) ? 1 : 0;
mcview_state_machine_init (state, eol);
return retval;
}
while (TRUE)
{
int charwidth = 0;
mcview_state_machine_t state_saved;
int n;
int color;
state_saved = *state;
n = mcview_next_combining_char_sequence (view, state, cs, 1 + MAX_COMBINING_CHARS, &color);
if (n == 0)
{
if (linewidth != NULL)
*linewidth = col;
return (col > 0) ? 1 : 0;
}
if (view->search_start <= state->offset && state->offset < view->search_end)
color = VIEW_SELECTED_COLOR;
if (cs[0] == '\n')
{
/* New line: reset all formatting state for the next paragraph. */
mcview_state_machine_init (state, state->offset);
if (linewidth != NULL)
*linewidth = col;
return 1;
}
if (mcview_is_non_spacing_mark (view, cs[0]))
{
/* Lonely combining character. Probably leftover after too many combining chars. Just ignore. */
continue;
}
/* Nonprintable, or lonely spacing mark */
if ((!mcview_isprint (view, cs[0]) || mcview_ismark (view, cs[0])) && cs[0] != '\t')
cs[0] = '.';
for (i = 0; i < n; i++)
charwidth += mcview_wcwidth (view, cs[i]);
/* Adjust the width for TAB. It's handled below along with the normal characters,
* so that it's wrapped consistently with them, and is painted with the proper
* attributes (although currently it can't have a special color). */
if (cs[0] == '\t')
{
charwidth = option_tab_spacing - state->unwrapped_column % option_tab_spacing;
state->print_lonely_combining = TRUE;
}
else
state->print_lonely_combining = FALSE;
/* In wrap mode only: We're done with this row if the character sequence wouldn't fit.
* Except if at the first column, because then it wouldn't fit in the next row either.
* In this extreme case let the unwrapped code below do its best to display it. */
if (view->text_wrap_mode && (off_t) col + charwidth > dpy_text_column + (off_t) width
&& col > 0)
{
*state = state_saved;
if (paragraph_ended != NULL)
*paragraph_ended = FALSE;
if (linewidth != NULL)
*linewidth = col;
return 1;
}
/* Display, unless outside of the viewport. */
if (row >= 0 && row < (int) height)
{
if ((off_t) col >= dpy_text_column &&
(off_t) col + charwidth <= dpy_text_column + (off_t) width)
{
/* The combining character sequence fits entirely in the viewport. Print it. */
tty_setcolor (color);
widget_move (view, top + row, left + ((off_t) col - dpy_text_column));
if (cs[0] == '\t')
{
for (i = 0; i < charwidth; i++)
tty_print_char (' ');
}
else
{
j = 0;
for (i = 0; i < n; i++)
j += mcview_char_display (view, cs[i], str + j);
str[j] = '\0';
/* This is probably a bug in our tty layer, but tty_print_string
* normalizes the string, whereas tty_printf doesn't. Don't normalize,
* since we handle combining characters ourselves correctly, it's
* better if they are copy-pasted correctly. Ticket 3255. */
tty_printf ("%s", str);
}
}
else if ((off_t) col < dpy_text_column && (off_t) col + charwidth > dpy_text_column)
{
/* The combining character sequence would cross the left edge of the viewport.
* This cannot happen with wrap mode. Print replacement character(s),
* or spaces with the correct attributes for partial Tabs. */
tty_setcolor (color);
for (i = dpy_text_column;
i < (off_t) col + charwidth && i < dpy_text_column + (off_t) width; i++)
{
widget_move (view, top + row, left + (i - dpy_text_column));
tty_print_anychar ((cs[0] == '\t') ? ' ' : PARTIAL_CJK_AT_LEFT_MARGIN);
}
}
else if ((off_t) col < dpy_text_column + (off_t) width &&
(off_t) col + charwidth > dpy_text_column + (off_t) width)
{
/* The combining character sequence would cross the right edge of the viewport
* and we're not wrapping. Print replacement character(s),
* or spaces with the correct attributes for partial Tabs. */
tty_setcolor (color);
for (i = col; i < dpy_text_column + (off_t) width; i++)
{
widget_move (view, top + row, left + (i - dpy_text_column));
tty_print_anychar ((cs[0] == '\t') ? ' ' : PARTIAL_CJK_AT_RIGHT_MARGIN);
}
}
}
col += charwidth;
state->unwrapped_column += charwidth;
if (!view->text_wrap_mode && (off_t) col >= dpy_text_column + (off_t) width
&& linewidth == NULL)
{
/* Optimization: Fast forward to the end of the line, rather than carefully
* parsing and then not actually displaying it. */
off_t eol;
eol = mcview_eol (view, state->offset, mcview_get_filesize (view));
mcview_state_machine_init (state, eol);
return 1;
}
}
}
void
mcview_display_hex (mcview_t * view)
{
const screen_dimen top = view->data_area.top;
const screen_dimen left = view->data_area.left;
const screen_dimen height = view->data_area.height;
const screen_dimen width = view->data_area.width;
const int ngroups = view->bytes_per_line / 4;
const screen_dimen text_start = 8 + 13 * ngroups + ((width < 80) ? 0 : (ngroups - 1 + 1));
/* 8 characters are used for the file offset, and every hex group
* takes 13 characters. On "big" screens, the groups are separated
* by an extra vertical line, and there is an extra space before the
* text column.
*/
screen_dimen row;
off_t from;
int c;
mark_t boldflag = MARK_NORMAL;
struct hexedit_change_node *curr = view->change_list;
#ifdef HAVE_CHARSET
int ch = 0;
#endif /* HAVE_CHARSET */
char hex_buff[10]; /* A temporary buffer for sprintf and mvwaddstr */
int bytes; /* Number of bytes already printed on the line */
mcview_display_clean (view);
/* Find the first displayable changed byte */
from = view->dpy_start;
while (curr && (curr->offset < from))
{
curr = curr->next;
}
for (row = 0; mcview_get_byte (view, from, NULL) == TRUE && row < height; row++)
{
screen_dimen col = 0;
size_t i;
col = 0;
/* Print the hex offset */
g_snprintf (hex_buff, sizeof (hex_buff), "%08" PRIXMAX " ", (uintmax_t) from);
widget_move (view, top + row, left);
tty_setcolor (VIEW_BOLD_COLOR);
for (i = 0; col < width && hex_buff[i] != '\0'; i++)
{
tty_print_char (hex_buff[i]);
/* tty_print_char(hex_buff[i]); */
col += 1;
}
tty_setcolor (VIEW_NORMAL_COLOR);
for (bytes = 0; bytes < view->bytes_per_line; bytes++, from++)
{
#ifdef HAVE_CHARSET
if (view->utf8)
{
int cw = 1;
gboolean read_res = TRUE;
ch = mcview_get_utf (view, from, &cw, &read_res);
if (!read_res)
break;
/* char width is greater 0 bytes */
if (cw != 0)
{
int cnt;
char corr_buf[UTF8_CHAR_LEN + 1];
struct hexedit_change_node *corr = curr;
int res;
res = g_unichar_to_utf8 (ch, (char *) corr_buf);
for (cnt = 0; cnt < cw; cnt++)
{
if (curr != NULL && from + cnt == curr->offset)
{
/* replace only changed bytes in array of multibyte char */
corr_buf[cnt] = curr->value;
curr = curr->next;
}
}
corr_buf[res] = '\0';
/* Determine the state of the current multibyte char */
ch = utf8_to_int ((char *) corr_buf, &cw, &read_res);
curr = corr;
}
}
#endif /* HAVE_CHARSET */
if (!mcview_get_byte (view, from, &c))
break;
/* Save the cursor position for mcview_place_cursor() */
if (from == view->hex_cursor && !view->hexview_in_text)
{
view->cursor_row = row;
view->cursor_col = col;
}
/* Determine the state of the current byte */
boldflag = mcview_hex_calculate_boldflag (view, from, curr);
/* Determine the value of the current byte */
if (curr != NULL && from == curr->offset)
{
c = curr->value;
curr = curr->next;
}
/* Select the color for the hex number */
tty_setcolor (boldflag == MARK_NORMAL ? VIEW_NORMAL_COLOR :
boldflag == MARK_SELECTED ? VIEW_BOLD_COLOR :
boldflag == MARK_CHANGED ? VIEW_UNDERLINED_COLOR :
/* boldflag == MARK_CURSOR */
view->hexview_in_text ? VIEW_SELECTED_COLOR : VIEW_UNDERLINED_COLOR);
/* Print the hex number */
widget_move (view, top + row, left + col);
if (col < width)
{
tty_print_char (hex_char[c / 16]);
col += 1;
}
if (col < width)
{
tty_print_char (hex_char[c % 16]);
col += 1;
}
/* Print the separator */
tty_setcolor (VIEW_NORMAL_COLOR);
if (bytes != view->bytes_per_line - 1)
{
if (col < width)
{
tty_print_char (' ');
col += 1;
}
/* After every four bytes, print a group separator */
if (bytes % 4 == 3)
{
if (view->data_area.width >= 80 && col < width)
{
tty_print_one_vline (TRUE);
col += 1;
}
if (col < width)
{
tty_print_char (' ');
col += 1;
}
}
}
/* Select the color for the character; this differs from the
* hex color when boldflag == MARK_CURSOR */
tty_setcolor (boldflag == MARK_NORMAL ? VIEW_NORMAL_COLOR :
boldflag == MARK_SELECTED ? VIEW_BOLD_COLOR :
boldflag == MARK_CHANGED ? VIEW_UNDERLINED_COLOR :
/* boldflag == MARK_CURSOR */
view->hexview_in_text ? VIEW_SELECTED_COLOR : MARKED_SELECTED_COLOR);
#ifdef HAVE_CHARSET
if (mc_global.utf8_display)
{
if (!view->utf8)
{
c = convert_from_8bit_to_utf_c ((unsigned char) c, view->converter);
}
if (!g_unichar_isprint (c))
c = '.';
}
else if (view->utf8)
ch = convert_from_utf_to_current_c (ch, view->converter);
else
#endif
{
#ifdef HAVE_CHARSET
c = convert_to_display_c (c);
#endif
if (!is_printable (c))
c = '.';
}
/* Print corresponding character on the text side */
if (text_start + bytes < width)
{
widget_move (view, top + row, left + text_start + bytes);
#ifdef HAVE_CHARSET
if (view->utf8)
tty_print_anychar (ch);
else
#endif
tty_print_char (c);
}
/* Save the cursor position for mcview_place_cursor() */
if (from == view->hex_cursor && view->hexview_in_text)
{
view->cursor_row = row;
view->cursor_col = text_start + bytes;
}
}
}
/* Be polite to the other functions */
tty_setcolor (VIEW_NORMAL_COLOR);
mcview_place_cursor (view);
view->dpy_end = from;
}
void
mcview_display_nroff (mcview_t * view)
{
const screen_dimen left = view->data_area.left;
const screen_dimen top = view->data_area.top;
const screen_dimen width = view->data_area.width;
const screen_dimen height = view->data_area.height;
screen_dimen row, col;
off_t from;
int cw = 1;
int c;
int c_prev = 0;
int c_next = 0;
struct hexedit_change_node *curr = view->change_list;
mcview_display_clean (view);
mcview_display_ruler (view);
/* Find the first displayable changed byte */
from = view->dpy_start;
while (curr && (curr->offset < from))
{
curr = curr->next;
}
tty_setcolor (NORMAL_COLOR);
for (row = 0, col = 0; row < height;)
{
#ifdef HAVE_CHARSET
if (view->utf8)
{
gboolean read_res = TRUE;
c = mcview_get_utf (view, from, &cw, &read_res);
if (!read_res)
break;
}
else
#endif
{
if (!mcview_get_byte (view, from, &c))
break;
}
from++;
if (cw > 1)
from += cw - 1;
if (c == '\b')
{
if (from > 1)
{
#ifdef HAVE_CHARSET
if (view->utf8)
{
gboolean read_res;
c_next = mcview_get_utf (view, from, &cw, &read_res);
}
else
#endif
mcview_get_byte (view, from, &c_next);
}
if (g_unichar_isprint (c_prev) && g_unichar_isprint (c_next)
&& (c_prev == c_next || c_prev == '_' || (c_prev == '+' && c_next == 'o')))
{
if (col == 0)
{
if (row == 0)
{
/* We're inside an nroff character sequence at the
* beginning of the screen -- just skip the
* backspace and continue with the next character. */
continue;
}
row--;
col = width;
}
col--;
if (c_prev == '_'
&& (c_next != '_' || mcview_count_backspaces (view, from + 1) == 1))
tty_setcolor (VIEW_UNDERLINED_COLOR);
else
tty_setcolor (VIEW_BOLD_COLOR);
continue;
}
}
if ((c == '\n') || (col >= width && view->text_wrap_mode))
{
col = 0;
row++;
if (c == '\n' || row >= height)
continue;
}
if (c == '\r')
{
mcview_get_byte_indexed (view, from, 1, &c);
if (c == '\r' || c == '\n')
continue;
col = 0;
row++;
continue;
}
if (c == '\t')
{
off_t line, column;
mcview_offset_to_coord (view, &line, &column, from);
col += (option_tab_spacing - col % option_tab_spacing);
if (view->text_wrap_mode && col >= width && width != 0)
{
row += col / width;
col %= width;
}
continue;
}
if (view->search_start <= from && from < view->search_end)
{
tty_setcolor (SELECTED_COLOR);
}
c_prev = c;
if ((off_t) col >= view->dpy_text_column
&& (off_t) col - view->dpy_text_column < (off_t) width)
{
widget_move (view, top + row, left + ((off_t) col - view->dpy_text_column));
#ifdef HAVE_CHARSET
if (mc_global.utf8_display)
{
if (!view->utf8)
{
c = convert_from_8bit_to_utf_c ((unsigned char) c, view->converter);
}
if (!g_unichar_isprint (c))
c = '.';
}
else if (view->utf8)
c = convert_from_utf_to_current_c (c, view->converter);
else
c = convert_to_display_c (c);
#endif
tty_print_anychar (c);
}
col++;
#ifdef HAVE_CHARSET
if (view->utf8)
{
if (g_unichar_iswide (c))
col++;
else if (g_unichar_iszerowidth (c))
col--;
}
#endif
tty_setcolor (NORMAL_COLOR);
}
view->dpy_end = from;
}
void
mcview_display_text (mcview_t * view)
{
const screen_dimen left = view->data_area.left;
const screen_dimen top = view->data_area.top;
const screen_dimen width = view->data_area.width;
const screen_dimen height = view->data_area.height;
screen_dimen row = 0, col = 0;
off_t from;
int cw = 1;
int c, prev_ch = 0;
gboolean last_row = TRUE;
struct hexedit_change_node *curr = view->change_list;
mcview_display_clean (view);
mcview_display_ruler (view);
/* Find the first displayable changed byte */
from = view->dpy_start;
while ((curr != NULL) && (curr->offset < from))
curr = curr->next;
while (TRUE)
{
tty_setcolor (NORMAL_COLOR);
if (row >= height)
break;
#ifdef HAVE_CHARSET
if (view->utf8)
{
gboolean read_res = TRUE;
c = mcview_get_utf (view, from, &cw, &read_res);
if (!read_res)
break;
}
else
#endif
if (!mcview_get_byte (view, from, &c))
break;
last_row = FALSE;
from++;
if (cw > 1)
from += cw - 1;
if (c != '\n' && prev_ch == '\r')
{
if (++row >= height)
break;
col = 0;
/* tty_print_anychar ('\n'); */
}
prev_ch = c;
if (c == '\r')
continue;
if (c == '\n')
{
col = 0;
row++;
continue;
}
if (col >= width && view->text_wrap_mode)
{
col = 0;
if (++row >= height)
break;
}
if (c == '\t')
{
col += (option_tab_spacing - col % option_tab_spacing);
if (view->text_wrap_mode && col >= width && width != 0)
{
row += col / width;
col %= width;
}
continue;
}
if (view->search_start <= from && from < view->search_end)
tty_setcolor (SELECTED_COLOR);
if (((off_t) col >= view->dpy_text_column)
&& ((off_t) col - view->dpy_text_column < (off_t) width))
{
widget_move (view, top + row, left + ((off_t) col - view->dpy_text_column));
#ifdef HAVE_CHARSET
if (mc_global.utf8_display)
{
if (!view->utf8)
c = convert_from_8bit_to_utf_c ((unsigned char) c, view->converter);
if (!g_unichar_isprint (c))
c = '.';
}
else if (view->utf8)
c = convert_from_utf_to_current_c (c, view->converter);
else
#endif
{
#ifdef HAVE_CHARSET
c = convert_to_display_c (c);
#endif
if (!is_printable (c))
c = '.';
}
tty_print_anychar (c);
}
col++;
#ifdef HAVE_CHARSET
if (view->utf8)
{
if (g_unichar_iswide (c))
col++;
else if (g_unichar_iszerowidth (c))
col--;
}
#endif
}
view->dpy_end = from;
if (mcview_show_eof != NULL && mcview_show_eof[0] != '\0')
{
if (last_row && mcview_get_byte (view, from - 1, &c))
if (c != '\n')
row--;
while (++row < height)
{
widget_move (view, top + row, left);
tty_print_string (mcview_show_eof);
}
}
}
void
mcview_display_hex (WView * view)
{
const screen_dimen top = view->data_area.top;
const screen_dimen left = view->data_area.left;
const screen_dimen height = view->data_area.height;
const screen_dimen width = view->data_area.width;
const int ngroups = view->bytes_per_line / 4;
/* 8 characters are used for the file offset, and every hex group
* takes 13 characters. Starting at width of 80 columns, the groups
* are separated by an extra vertical line. Starting at width of 81,
* there is an extra space before the text column. There is always a
* mostly empty column on the right, to allow overflowing CJKs.
*/
const screen_dimen text_start = 8 + 13 * ngroups +
((width < 80) ? 0 : (width == 80) ? (ngroups - 1) : (ngroups - 1 + 1));
int row;
off_t from;
mark_t boldflag_byte = MARK_NORMAL;
mark_t boldflag_char = MARK_NORMAL;
struct hexedit_change_node *curr = view->change_list;
#ifdef HAVE_CHARSET
int cont_bytes = 0; /* number of continuation bytes remanining from current UTF-8 */
gboolean cjk_right = FALSE; /* whether the second byte of a CJK is to be processed */
#endif /* HAVE_CHARSET */
gboolean utf8_changed = FALSE; /* whether any of the bytes in the UTF-8 were changed */
char hex_buff[10]; /* A temporary buffer for sprintf and mvwaddstr */
mcview_display_clean (view);
/* Find the first displayable changed byte */
/* In UTF-8 mode, go back by 1 or maybe 2 lines to handle continuation bytes properly. */
from = view->dpy_start;
row = 0;
#ifdef HAVE_CHARSET
if (view->utf8)
{
if (from >= view->bytes_per_line)
{
row--;
from -= view->bytes_per_line;
}
if (view->bytes_per_line == 4 && from >= view->bytes_per_line)
{
row--;
from -= view->bytes_per_line;
}
}
#endif /* HAVE_CHARSET */
while (curr && (curr->offset < from))
{
curr = curr->next;
}
for (; mcview_get_byte (view, from, NULL) && row < (int) height; row++)
{
screen_dimen col = 0;
size_t i;
int bytes; /* Number of bytes already printed on the line */
/* Print the hex offset */
if (row >= 0)
{
g_snprintf (hex_buff, sizeof (hex_buff), "%08" PRIXMAX " ", (uintmax_t) from);
widget_move (view, top + row, left);
tty_setcolor (VIEW_BOLD_COLOR);
for (i = 0; col < width && hex_buff[i] != '\0'; col++, i++)
tty_print_char (hex_buff[i]);
tty_setcolor (VIEW_NORMAL_COLOR);
}
for (bytes = 0; bytes < view->bytes_per_line; bytes++, from++)
{
int c;
#ifdef HAVE_CHARSET
int ch = 0;
if (view->utf8)
{
struct hexedit_change_node *corr = curr;
if (cont_bytes != 0)
{
/* UTF-8 continuation bytes, print a space (with proper attributes)... */
cont_bytes--;
ch = ' ';
if (cjk_right)
{
/* ... except when it'd wipe out the right half of a CJK, then print nothing */
cjk_right = FALSE;
ch = -1;
}
}
else
{
int j;
gchar utf8buf[UTF8_CHAR_LEN + 1];
int res;
int first_changed = -1;
for (j = 0; j < UTF8_CHAR_LEN; j++)
{
if (mcview_get_byte (view, from + j, &res))
utf8buf[j] = res;
else
{
utf8buf[j] = '\0';
break;
}
if (curr != NULL && from + j == curr->offset)
{
utf8buf[j] = curr->value;
if (first_changed == -1)
first_changed = j;
}
if (curr != NULL && from + j >= curr->offset)
curr = curr->next;
}
utf8buf[UTF8_CHAR_LEN] = '\0';
/* Determine the state of the current multibyte char */
ch = g_utf8_get_char_validated (utf8buf, -1);
if (ch == -1 || ch == -2)
{
ch = '.';
}
else
{
gchar *next_ch;
next_ch = g_utf8_next_char (utf8buf);
cont_bytes = next_ch - utf8buf - 1;
if (g_unichar_iswide (ch))
cjk_right = TRUE;
}
utf8_changed = (first_changed >= 0 && first_changed <= cont_bytes);
curr = corr;
}
}
#endif /* HAVE_CHARSET */
/* For negative rows, the only thing we care about is overflowing
* UTF-8 continuation bytes which were handled above. */
if (row < 0)
{
if (curr != NULL && from == curr->offset)
curr = curr->next;
continue;
}
if (!mcview_get_byte (view, from, &c))
break;
/* Save the cursor position for mcview_place_cursor() */
if (from == view->hex_cursor && !view->hexview_in_text)
{
view->cursor_row = row;
view->cursor_col = col;
}
/* Determine the state of the current byte */
boldflag_byte = mcview_hex_calculate_boldflag (view, from, curr, FALSE);
boldflag_char = mcview_hex_calculate_boldflag (view, from, curr, utf8_changed);
/* Determine the value of the current byte */
if (curr != NULL && from == curr->offset)
{
c = curr->value;
curr = curr->next;
}
/* Select the color for the hex number */
tty_setcolor (boldflag_byte == MARK_NORMAL ? VIEW_NORMAL_COLOR :
boldflag_byte == MARK_SELECTED ? VIEW_BOLD_COLOR :
boldflag_byte == MARK_CHANGED ? VIEW_UNDERLINED_COLOR :
/* boldflag_byte == MARK_CURSOR */
view->hexview_in_text ? VIEW_SELECTED_COLOR : VIEW_UNDERLINED_COLOR);
/* Print the hex number */
widget_move (view, top + row, left + col);
if (col < width)
{
tty_print_char (hex_char[c / 16]);
col += 1;
}
if (col < width)
{
tty_print_char (hex_char[c % 16]);
col += 1;
}
/* Print the separator */
tty_setcolor (VIEW_NORMAL_COLOR);
if (bytes != view->bytes_per_line - 1)
{
if (col < width)
{
tty_print_char (' ');
col += 1;
}
/* After every four bytes, print a group separator */
if (bytes % 4 == 3)
{
if (view->data_area.width >= 80 && col < width)
{
tty_print_one_vline (TRUE);
col += 1;
}
if (col < width)
{
tty_print_char (' ');
col += 1;
}
}
}
/* Select the color for the character; this differs from the
* hex color when boldflag == MARK_CURSOR */
tty_setcolor (boldflag_char == MARK_NORMAL ? VIEW_NORMAL_COLOR :
boldflag_char == MARK_SELECTED ? VIEW_BOLD_COLOR :
boldflag_char == MARK_CHANGED ? VIEW_UNDERLINED_COLOR :
/* boldflag_char == MARK_CURSOR */
view->hexview_in_text ? VIEW_SELECTED_COLOR : MARKED_SELECTED_COLOR);
#ifdef HAVE_CHARSET
if (mc_global.utf8_display)
{
if (!view->utf8)
{
c = convert_from_8bit_to_utf_c ((unsigned char) c, view->converter);
}
if (!g_unichar_isprint (c))
c = '.';
}
else if (view->utf8)
ch = convert_from_utf_to_current_c (ch, view->converter);
else
#endif
{
#ifdef HAVE_CHARSET
c = convert_to_display_c (c);
#endif
if (!is_printable (c))
c = '.';
}
/* Print corresponding character on the text side */
if (text_start + bytes < width)
{
widget_move (view, top + row, left + text_start + bytes);
#ifdef HAVE_CHARSET
if (view->utf8)
tty_print_anychar (ch);
else
#endif
tty_print_char (c);
}
/* Save the cursor position for mcview_place_cursor() */
if (from == view->hex_cursor && view->hexview_in_text)
{
view->cursor_row = row;
view->cursor_col = text_start + bytes;
}
}
}
/* Be polite to the other functions */
tty_setcolor (VIEW_NORMAL_COLOR);
mcview_place_cursor (view);
view->dpy_end = from;
}
