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Make e handle SIGWINCH #2

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Make e handle SIGWINCH #2

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49 changes: 46 additions & 3 deletions e.c
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,10 @@ int bos_pos = 0, eos_pos = 0, cur_pos = 0, eof_pos = 0, bow_line = 0;
int bow_line_prev = 0, win_shift = 0, cur_line = 0, cur_y = 0, cur_x = 0;
int is_changed = 0, ins_mode = 1, find_mode = 0;

char *confirm_text = 0;
char *prompt_text = 0;
char *prompt_buf = 0;

#define ALIGN(x,mod) (((x) / (mod) + 1) * (mod))
#define nexttab(x) ALIGN (x, TABSIZE)
#define align_chunk(x) ALIGN (x, CHUNKSIZE)
Expand All @@ -45,13 +49,15 @@ int confirm (char *s)
{
int ch;

confirm_text = s;
move (LINES - 1, 0);
attron (A_BOLD);
addstr (s);
attroff (A_BOLD);
clrtoeol ();
refresh ();
ch = getch ();
do ch = getch (); while (ch == KEY_RESIZE);
confirm_text = 0;
return ch == 'y' || ch == 'Y';
}

Expand All @@ -68,7 +74,11 @@ int enter_string (char *s, char *buf)
adduch (buf[b_len]);
clrtoeol ();
refresh ();
ch = getch ();
prompt_text = s;
prompt_buf = buf;
do ch = getch (); while (ch == KEY_RESIZE);
prompt_text = 0;
prompt_buf = 0;
switch (ch) {
case CTRL ('Y'):
*buf = 0;
Expand Down Expand Up @@ -491,9 +501,42 @@ void done (int sig)
exit (0);
}

void resize (int sig)
{
(void)sig;
endwin ();
refresh ();
keypad (stdscr, TRUE);
scrollok (stdscr, TRUE);
idlok (stdscr, TRUE);
nonl ();
raw ();
noecho ();
show ();
if (confirm_text) {
move (LINES - 1, 0);
attron (A_BOLD);
addstr (confirm_text);
attroff (A_BOLD);
clrtoeol ();
} else if (prompt_text) {
move (LINES - 1, 0);
attron (A_BOLD);
addstr (prompt_text);
attroff (A_BOLD);
for (int b_len = 0; prompt_buf[b_len]; b_len++)
adduch (prompt_buf[b_len]);
clrtoeol ();
} else {
move (cur_y, cur_x);
}
refresh ();
}

void init (void)
{
signal (SIGINT, done);
signal (SIGWINCH, resize);
initscr ();
keypad (stdscr, TRUE);
scrollok (stdscr, TRUE);
Expand Down Expand Up @@ -541,7 +584,7 @@ int main (int argv, char **argc)
show ();
move (cur_y, cur_x);
refresh ();
ch = getch ();
do ch = getch (); while (ch == KEY_RESIZE);
switch (ch) {
case KEY_UP:
k_up ();
Expand Down