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ui/clipboard: delay clipboard update when not running

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When VM is paused, we shouldn't notify of clipboard changes, similar to
how input are being treated.

On unsuspend, notify of the current state.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Marc-André Lureau 2025-03-11 18:51:08 +04:00
parent d0de94cbc0
commit c967ff606b
1 changed files with 38 additions and 2 deletions
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40
ui/clipboard.c
View file

@ -1,4 +1,5 @@
#include "qemu/osdep.h"
#include "system/runstate.h"
#include "ui/clipboard.h"
#include "trace.h"
@ -7,6 +8,10 @@ static NotifierList clipboard_notifiers =
static QemuClipboardInfo *cbinfo[QEMU_CLIPBOARD_SELECTION__COUNT];
static VMChangeStateEntry *cb_change_state_entry = NULL;
static bool cb_reset_serial_on_resume = false;
static const VMStateDescription vmstate_cbcontent = {
.name = "clipboard/content",
.version_id = 0,
@ -33,8 +38,32 @@ const VMStateDescription vmstate_cbinfo = {
}
};
static void qemu_clipboard_change_state(void *opaque, bool running, RunState state)
{
int i;
if (!running) {
return;
}
if (cb_reset_serial_on_resume) {
qemu_clipboard_reset_serial();
}
for (i = 0; i < QEMU_CLIPBOARD_SELECTION__COUNT; i++) {
if (cbinfo[i]) {
qemu_clipboard_update(cbinfo[i]);
}
}
}
void qemu_clipboard_peer_register(QemuClipboardPeer *peer)
{
if (cb_change_state_entry == NULL) {
cb_change_state_entry = qemu_add_vm_change_state_handler(qemu_clipboard_change_state, NULL);
}
notifier_list_add(&clipboard_notifiers, &peer->notifier);
}
@ -109,7 +138,9 @@ void qemu_clipboard_update(QemuClipboardInfo *info)
}
}
notifier_list_notify(&clipboard_notifiers, &notify);
if (runstate_is_running() || runstate_check(RUN_STATE_SUSPENDED)) {
notifier_list_notify(&clipboard_notifiers, &notify);
}
if (cbinfo[info->selection] != info) {
qemu_clipboard_info_unref(cbinfo[info->selection]);
@ -189,7 +220,12 @@ void qemu_clipboard_reset_serial(void)
info->serial = 0;
}
}
notifier_list_notify(&clipboard_notifiers, &notify);
if (runstate_is_running() || runstate_check(RUN_STATE_SUSPENDED)) {
notifier_list_notify(&clipboard_notifiers, &notify);
} else {
cb_reset_serial_on_resume = true;
}
}
void qemu_clipboard_set_data(QemuClipboardPeer *peer,