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input-linux: factor out input_linux_handle_keyboard 

No functional change.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1466067800-25434-3-git-send-email-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2016-06-16 11:03:19 +02:00
parent d4df42c431
commit 2330e9e7cc
1 changed files with 54 additions and 49 deletions
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103
ui/input-linux.c
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@ -188,6 +188,59 @@ static void input_linux_toggle_grab(InputLinux *il)
}
}
static void input_linux_handle_keyboard(InputLinux *il,
struct input_event *event)
{
if (event->type == EV_KEY) {
if (event->value > 2 || (event->value > 1 && !il->repeat)) {
/*
* ignore autorepeat + unknown key events
* 0 == up, 1 == down, 2 == autorepeat, other == undefined
*/
return;
}
if (event->code >= KEY_CNT) {
/*
* Should not happen. But better safe than sorry,
* and we make Coverity happy too.
*/
return;
}
/* keep track of key state */
if (!il->keydown[event->code] && event->value) {
il->keydown[event->code] = true;
il->keycount++;
}
if (il->keydown[event->code] && !event->value) {
il->keydown[event->code] = false;
il->keycount--;
}
/* send event to guest when grab is active */
if (il->grab_active) {
int qcode = qemu_input_linux_to_qcode(event->code);
qemu_input_event_send_key_qcode(NULL, qcode, event->value);
}
/* hotkey -> record switch request ... */
if (il->keydown[KEY_LEFTCTRL] &&
il->keydown[KEY_RIGHTCTRL]) {
il->grab_request = true;
}
/*
* ... and do the switch when all keys are lifted, so we
* confuse neither guest nor host with keys which seem to
* be stuck due to missing key-up events.
*/
if (il->grab_request && !il->keycount) {
il->grab_request = false;
input_linux_toggle_grab(il);
}
}
}
static void input_linux_event_keyboard(void *opaque)
{
InputLinux *il = opaque;
@ -205,55 +258,7 @@ static void input_linux_event_keyboard(void *opaque)
break;
}
switch (event.type) {
case EV_KEY:
if (event.value > 2 || (event.value > 1 && !il->repeat)) {
/*
* ignore autorepeat + unknown key events
* 0 == up, 1 == down, 2 == autorepeat, other == undefined
*/
continue;
}
if (event.code >= KEY_CNT) {
/*
* Should not happen. But better safe than sorry,
* and we make Coverity happy too.
*/
continue;
}
/* keep track of key state */
if (!il->keydown[event.code] && event.value) {
il->keydown[event.code] = true;
il->keycount++;
}
if (il->keydown[event.code] && !event.value) {
il->keydown[event.code] = false;
il->keycount--;
}
/* send event to guest when grab is active */
if (il->grab_active) {
int qcode = qemu_input_linux_to_qcode(event.code);
qemu_input_event_send_key_qcode(NULL, qcode, event.value);
}
/* hotkey -> record switch request ... */
if (il->keydown[KEY_LEFTCTRL] &&
il->keydown[KEY_RIGHTCTRL]) {
il->grab_request = true;
}
/*
* ... and do the switch when all keys are lifted, so we
* confuse neither guest nor host with keys which seem to
* be stuck due to missing key-up events.
*/
if (il->grab_request && !il->keycount) {
il->grab_request = false;
input_linux_toggle_grab(il);
}
break;
}
input_linux_handle_keyboard(il, &event);
}
}