diff options
Diffstat (limited to 'ui/clipboard.c')
| -rw-r--r-- | ui/clipboard.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/ui/clipboard.c b/ui/clipboard.c index 3525b30178..d7b008d62a 100644 --- a/ui/clipboard.c +++ b/ui/clipboard.c @@ -4,6 +4,8 @@ static NotifierList clipboard_notifiers = NOTIFIER_LIST_INITIALIZER(clipboard_notifiers); +static QemuClipboardInfo *cbinfo[QEMU_CLIPBOARD_SELECTION__COUNT]; + void qemu_clipboard_peer_register(QemuClipboardPeer *peer) { notifier_list_add(&clipboard_notifiers, &peer->update); @@ -11,12 +13,51 @@ void qemu_clipboard_peer_register(QemuClipboardPeer *peer) void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer) { + int i; + + for (i = 0; i < QEMU_CLIPBOARD_SELECTION__COUNT; i++) { + qemu_clipboard_peer_release(peer, i); + } + notifier_remove(&peer->update); } +bool qemu_clipboard_peer_owns(QemuClipboardPeer *peer, + QemuClipboardSelection selection) +{ + QemuClipboardInfo *info = qemu_clipboard_info(selection); + + return info && info->owner == peer; +} + +void qemu_clipboard_peer_release(QemuClipboardPeer *peer, + QemuClipboardSelection selection) +{ + g_autoptr(QemuClipboardInfo) info = NULL; + + if (qemu_clipboard_peer_owns(peer, selection)) { + /* set empty clipboard info */ + info = qemu_clipboard_info_new(NULL, selection); + qemu_clipboard_update(info); + } +} + void qemu_clipboard_update(QemuClipboardInfo *info) { + g_autoptr(QemuClipboardInfo) old = NULL; + assert(info->selection < QEMU_CLIPBOARD_SELECTION__COUNT); + notifier_list_notify(&clipboard_notifiers, info); + + old = cbinfo[info->selection]; + cbinfo[info->selection] = qemu_clipboard_info_ref(info); +} + +QemuClipboardInfo *qemu_clipboard_info(QemuClipboardSelection selection) +{ + assert(selection < QEMU_CLIPBOARD_SELECTION__COUNT); + + return cbinfo[selection]; } QemuClipboardInfo *qemu_clipboard_info_new(QemuClipboardPeer *owner, |