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input: read in an external paste in one go, to allow undoing with one M-U 

This makes an external paste (with mouse or <Shift+Insert>) behave
the same as an internal paste (^U), and also inherently suppresses
auto-indentation, automatic hard-wrapping, and tab conversion.

This fulfills https://savannah.gnu.org/bugs/?54950.
master
Benno Schulenberg 2020-01-16 12:44:03 +01:00
parent aac3126183
commit 0e6d693dc8
1 changed files with 37 additions and 0 deletions
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37
src/nano.c
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@ -1467,6 +1467,40 @@ bool okay_for_view(const keystruct *shortcut)
return (item == NULL || item->viewok);
}
/* Read in all waiting input bytes and paste them into the buffer in one go. */
void suck_up_input_and_paste_it(void)
{
linestruct *was_cutbuffer = cutbuffer;
linestruct *line = make_new_node(NULL);
size_t index = 0;
line->data = copy_of("");
cutbuffer = line;
while (bracketed_paste) {
int input = get_kbinput(edit, BLIND);
if (input == CR_CODE) {
line->next = make_new_node(line);
line = line->next;
line->data = copy_of("");
index = 0;
} else if ((input >= 0x20 && input <= 0xFF && input != DEL_CODE) ||
input == TAB_CODE) {
line->data = charealloc(line->data, index + 2);
line->data[index++] = (char)input;
line->data[index] = '\0';
} else if (input != BRACKETED_PASTE_MARKER)
beep();
}
cutbottom = line;
paste_text();
cutbuffer = was_cutbuffer;
}
/* Read in a keystroke. Act on the keystroke if it is a shortcut or a toggle;
* otherwise, insert it into the edit buffer. */
void do_input(void)
@ -1626,6 +1660,9 @@ void do_input(void)
if (!refresh_needed && (shortcut->func == do_delete ||
shortcut->func == do_backspace))
update_line(openfile->current, openfile->current_x);
if (bracketed_paste)
suck_up_input_and_paste_it();
}
/* The user typed output_len multibyte characters. Add them to the edit