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try_mark_key: Reject non-ASCII keys as mark characters.

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The previous version used only the low 8 bits of the key code.
This one arranges for the whole key to be rejected if it's not ASCII.
Perhaps the modifiers should be checked too, but I'm not changing that now.
This commit is contained in:
Kalle Olavi Niemitalo 2006-08-12 15:07:07 +03:00 committed by Kalle Olavi Niemitalo
parent 2648fd57e4
commit f97a392c01
1 changed files with 13 additions and 1 deletions
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14
src/viewer/text/view.c
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@ -637,7 +637,19 @@ enum frame_event_status
try_mark_key(struct session *ses, struct document_view *doc_view,
struct term_event *ev)
{
unsigned char mark = get_kbd_key(ev);
unsigned char mark;
/* set_mark and goto_mark allow only a subset of the ASCII
* character repertoire as mark characters. If get_kbd_key(ev)
* is something else (i.e. a special key or a non-ASCII
* character), map it to an ASCII character that the functions
* will not accept, so the results are consistent.
* When CONFIG_UTF_8 is not defined, this assumes that codes
* 0 to 0x7F in all codepages match ASCII. */
if (get_kbd_key(ev) >= 0 && get_kbd_key(ev) <= 0x7F)
mark = get_kbd_key(ev);
else
mark = 0;
switch (ses->kbdprefix.mark) {
case KP_MARK_NOTHING: