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monitor: Improve mux'ed console experience (Jan Kiszka)

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Up to now, you never really knew if you already switched the console
after pressing CTRL-A C or if you mistyped it again. This patch
clarifies the situation by providing a prompt in a new line and
injecting a linebreak when switching away again. For this purpose, the
two events CHR_EVENT_MUX_IN and CHR_EVENT_MUX_OUT are introduced and
distributed on focus switches.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6716 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-03-05 23:01:47 +00:00
parent 731b03642d
commit 2724b1806a
5 changed files with 42 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

11
qemu-char.c
View file

@ -310,6 +310,12 @@ static void mux_print_help(CharDriverState *chr)
}
}
static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event)
{
if (d->chr_event[mux_nr])
d->chr_event[mux_nr](d->ext_opaque[mux_nr], event);
}
static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
{
if (d->term_got_escape) {
@ -341,9 +347,11 @@ static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
break;
case 'c':
/* Switch to the next registered device */
mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_OUT);
chr->focus++;
if (chr->focus >= d->mux_cnt)
chr->focus = 0;
mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_IN);
break;
case 't':
term_timestamps = !term_timestamps;
@ -413,8 +421,7 @@ static void mux_chr_event(void *opaque, int event)
/* Send the event to all registered listeners */
for (i = 0; i < d->mux_cnt; i++)
if (d->chr_event[i])
d->chr_event[i](d->ext_opaque[i], event);
mux_chr_send_event(d, i, event);
}
static void mux_chr_update_read_handler(CharDriverState *chr)