Add SRG ("1005") style mouse reports. Always use them to create a report to
userspace if they are available because they may contain more information
(e.g. scroll wheel events).
Do not send reports at all if report information is not sufficient.
Signed-off-by: Tammo Block <tammo.bl...@gmail.com>
---
drivers/tty/vt/vt.c | 26 +++++++++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 5c9c449dc150..af0c58a9b108 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1835,10 +1835,30 @@ static inline void respond_ID(struct tty_struct *tty)
void mouse_report(struct tty_struct *tty, int butt, int mrx, int mry)
{
- char buf[8];
+ char buf[20];
+ char rel;
- sprintf(buf, "\033[M%c%c%c", (char)(' ' + (butt & TIOCL_SELBUTTONMASK)),
- (char)('!' + mrx), (char)('!' + mry));
+ if (butt & TIOCL_SELSRGREPORT) {
+ rel = (butt & TIOCL_SELSRGRELEASE) ? 1 : 0;
+ butt = butt >> 8;
+
+ if (vc_cons[fg_console].d->vc_proto_mouse) {
+ sprintf(buf, "\033[<%d;%d;%d%c", butt, mrx + 1, mry +
1, rel ? 'm' : 'M');
+ } else {
+ if (rel)
+ butt = (3 | butt);
+ sprintf(buf, "\033[M%c%c%c", (char)(' ' + butt),
+ (char)('!' + mrx), (char)('!' + mry));
+ }
+ } else {
+ /* Compatibility for older protocol */
+ if (vc_cons[fg_console].d->vc_proto_mouse)
+ return;
+ if (vc_cons[fg_console].d->vc_report_mouse > 2)
+ return;
+ sprintf(buf, "\033[M%c%c%c", (char)(' ' + (butt &
TIOCL_SELBUTTONMASK)),
+ (char)('!' + mrx), (char)('!' + mry));
+ }
respond_string(buf, tty->port);
}
--
2.27.0
