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input: introduce keyboard handler list

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Add a linked list of keyboard handlers.  Added handlers will go
to the head of the list.  Removed handlers will be zapped from
the list.  The head of the list will be used for events.

This fixes the keyboard-dead-after-usb-kbd-unplug issue, key events
will be re-routed to the ps/2 kbd instead of being discarded.

[ v2: fix cut+paste bug found my Markus ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1366798118-3248-3-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2013-04-24 12:08:38 +02:00 • committed by Anthony Liguori
parent 72711efb58
commit 5a37532d08
4 changed files with 32 additions and 16 deletions
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4
hw/input/hid.c
View file

@ -415,7 +415,7 @@ void hid_free(HIDState *hs)
{
switch (hs->kind) {
case HID_KEYBOARD:
qemu_remove_kbd_event_handler();
qemu_remove_kbd_event_handler(hs->kbd.eh_entry);
break;
case HID_MOUSE:
case HID_TABLET:
@ -431,7 +431,7 @@ void hid_init(HIDState *hs, int kind, HIDEventFunc event)
hs->event = event;
if (hs->kind == HID_KEYBOARD) {
qemu_add_kbd_event_handler(hid_keyboard_event, hs);
hs->kbd.eh_entry = qemu_add_kbd_event_handler(hid_keyboard_event, hs);
} else if (hs->kind == HID_MOUSE) {
hs->ptr.eh_entry = qemu_add_mouse_event_handler(hid_pointer_event, hs,
0, "QEMU HID Mouse");