Mercurial > hg > openttd
changeset 8177:1471a78e5abc draft
(svn r11740) -Fix [FS#1610]: Modify and possibly discard key events for code points in the unicode private use area.
author | egladil <egladil@openttd.org> |
---|---|
date | Tue, 01 Jan 2008 18:55:15 +0000 |
parents | a3f3d90e82e8 |
children | 682fb03eb247 |
files | src/window.cpp |
diffstat | 1 files changed, 14 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/window.cpp +++ b/src/window.cpp @@ -1643,6 +1643,20 @@ e.we.keypress.keycode = GB(key, 16, 16); e.we.keypress.cont = true; + /* + * The Unicode standard defines an area called the private use area. Code points in this + * area are reserved for private use and thus not portable between systems. For instance, + * Apple defines code points for the arrow keys in this area, but these are only printable + * on a system running OS X. We don't want these keys to show up in text fields and such, + * and thus we have to clear the unicode character when we encounter such a key. + */ + if (e.we.keypress.key >= 0xE000 && e.we.keypress.key <= 0xF8FF) e.we.keypress.key = 0; + + /* + * If both key and keycode is zero, we don't bother to process the event. + */ + if (e.we.keypress.key == 0 && e.we.keypress.keycode == 0) return; + /* check if we have a query string window open before allowing hotkeys */ if (FindWindowById(WC_QUERY_STRING, 0) != NULL || FindWindowById(WC_SEND_NETWORK_MSG, 0) != NULL ||