Implement messages to the user

This commit is contained in:
Přemysl Eric Janouch 2018-11-02 15:05:04 +01:00
parent 4de89faf7e
commit 314ba114a1
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 20 additions and 4 deletions

24
sdn.cpp
View File

@ -461,6 +461,9 @@ static struct {
bool gravity; ///< Entries are shoved to the bottom
int max_widths[entry::COLUMNS]; ///< Column widths
wstring message; ///< Message for the user
int message_ttl; ///< Time to live for the message
string chosen; ///< Chosen item for the command line
bool chosen_full; ///< Use the full path
@ -667,13 +670,16 @@ fun update () {
hline (' ', COLS - print (bar, COLS));
attrset (g.attrs[g.AT_INPUT]);
curs_set (0);
if (g.editor) {
move (LINES - 1, 0);
auto p = apply_attrs (wstring (g.editor) + L": ", 0);
move (LINES - 1, print (p + apply_attrs (g.editor_line, 0), COLS - 1));
curs_set (1);
} else
curs_set (0);
} else if (!g.message.empty ()) {
move (LINES - 1, 0);
print (apply_attrs (g.message, 0), COLS);
}
refresh ();
}
@ -718,7 +724,11 @@ fun reload () {
(IN_ALL_EVENTS | IN_ONLYDIR | IN_EXCL_UNLINK) & ~(IN_ACCESS | IN_OPEN));
}
// TODO: we should be able to signal failures to the user
fun show_message (const string &message, int ttl = 30) {
g.message = to_wide (message);
g.message_ttl = ttl;
}
fun run_pager (FILE *contents) {
// We don't really need to set O_CLOEXEC, so we're not going to
rewind (contents);
@ -821,6 +831,7 @@ fun pop_levels () {
fun change_dir (const string &path) {
if (chdir (path.c_str ())) {
show_message (strerror (errno));
beep ();
return;
}
@ -1293,8 +1304,13 @@ int main (int argc, char *argv[]) {
}
wint_t c;
while (!read_key (c) || handle (c))
while (!read_key (c) || handle (c)) {
inotify_check ();
if (g.message_ttl && !--g.message_ttl) {
g.message.clear ();
update ();
}
}
endwin ();
save_config ();