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authorMarc-André Lureau <marcandre.lureau@redhat.com>2021-07-21 15:19:13 +0400
committerMarc-André Lureau <marcandre.lureau@redhat.com>2021-12-21 10:50:21 +0400
commit349504e5a1533c795cd5f72e629766b996982050 (patch)
tree223a292a769b4a5c97177388835934a35dc19ff9
parent835f69f4e64e2285253bae57f618a75a2756f27c (diff)
ui/clipboard: add qemu_clipboard_check_serial()
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com>
-rw-r--r--include/ui/clipboard.h10
-rw-r--r--ui/clipboard.c15
2 files changed, 25 insertions, 0 deletions
diff --git a/include/ui/clipboard.h b/include/ui/clipboard.h
index e590b453c8..2c6488c1ee 100644
--- a/include/ui/clipboard.h
+++ b/include/ui/clipboard.h
@@ -173,6 +173,16 @@ void qemu_clipboard_peer_release(QemuClipboardPeer *peer,
QemuClipboardInfo *qemu_clipboard_info(QemuClipboardSelection selection);
/**
+ * qemu_clipboard_check_serial
+ *
+ * @info: clipboard info.
+ * @client: whether to check from the client context and priority.
+ *
+ * Return TRUE if the @info has a higher serial than the current clipboard.
+ */
+bool qemu_clipboard_check_serial(QemuClipboardInfo *info, bool client);
+
+/**
* qemu_clipboard_info_new
*
* @owner: clipboard owner.
diff --git a/ui/clipboard.c b/ui/clipboard.c
index 743b39edf4..ffbd80e5c6 100644
--- a/ui/clipboard.c
+++ b/ui/clipboard.c
@@ -41,6 +41,21 @@ void qemu_clipboard_peer_release(QemuClipboardPeer *peer,
}
}
+bool qemu_clipboard_check_serial(QemuClipboardInfo *info, bool client)
+{
+ if (!info->has_serial ||
+ !cbinfo[info->selection] ||
+ !cbinfo[info->selection]->has_serial) {
+ return true;
+ }
+
+ if (client) {
+ return cbinfo[info->selection]->serial >= info->serial;
+ } else {
+ return cbinfo[info->selection]->serial > info->serial;
+ }
+}
+
void qemu_clipboard_update(QemuClipboardInfo *info)
{
QemuClipboardNotify notify = {