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ui/clipboard: add vmstate_cbinfo

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Add a VMStateDescriptor for QemuClipboardInfo.

Each clipboard owner will have to save its QemuClipboardInfo and
reregister its owned clipboard after loading. (the global cbinfo has
only pointers to owners, so it can't restore the relation with its owner
if it was to handle migration)

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 17:55:21 +04:00
parent a3f59c70d6
commit d0de94cbc0
2 changed files with 29 additions and 0 deletions
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3
include/ui/clipboard.h
View file

@ -2,6 +2,7 @@
#define QEMU_CLIPBOARD_H
#include "qemu/notify.h"
#include "migration/vmstate.h"
/**
* DOC: Introduction
@ -27,6 +28,8 @@ typedef struct QemuClipboardNotify QemuClipboardNotify;
typedef struct QemuClipboardInfo QemuClipboardInfo;
typedef struct QemuClipboardContent QemuClipboardContent;
extern const VMStateDescription vmstate_cbinfo;
/**
* enum QemuClipboardType
*

26
ui/clipboard.c
View file

@ -7,6 +7,32 @@ static NotifierList clipboard_notifiers =
static QemuClipboardInfo *cbinfo[QEMU_CLIPBOARD_SELECTION__COUNT];
static const VMStateDescription vmstate_cbcontent = {
.name = "clipboard/content",
.version_id = 0,
.minimum_version_id = 0,
.fields = (const VMStateField[]) {
VMSTATE_BOOL(available, QemuClipboardContent),
VMSTATE_BOOL(requested, QemuClipboardContent),
VMSTATE_UINT32(size, QemuClipboardContent),
VMSTATE_VBUFFER_ALLOC_UINT32(data, QemuClipboardContent, 0, 0, size),
VMSTATE_END_OF_LIST()
}
};
const VMStateDescription vmstate_cbinfo = {
.name = "clipboard",
.version_id = 0,
.minimum_version_id = 0,
.fields = (const VMStateField[]) {
VMSTATE_INT32(selection, QemuClipboardInfo),
VMSTATE_BOOL(has_serial, QemuClipboardInfo),
VMSTATE_UINT32(serial, QemuClipboardInfo),
VMSTATE_STRUCT_ARRAY(types, QemuClipboardInfo, QEMU_CLIPBOARD_TYPE__COUNT, 0, vmstate_cbcontent, QemuClipboardContent),
VMSTATE_END_OF_LIST()
}
};
void qemu_clipboard_peer_register(QemuClipboardPeer *peer)
{
notifier_list_add(&clipboard_notifiers, &peer->notifier);