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-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 e590b45..2c6488c 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 743b39e..ffbd80e 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 = {