ppc/pnv: Add POWER10 quads
[qemu.git] / ui / clipboard.c
blob5f15cf853d07edc945e8d1be263dfc45ea8f60c1
1 #include "qemu/osdep.h"
2 #include "ui/clipboard.h"
4 static NotifierList clipboard_notifiers =
5 NOTIFIER_LIST_INITIALIZER(clipboard_notifiers);
7 static QemuClipboardInfo *cbinfo[QEMU_CLIPBOARD_SELECTION__COUNT];
9 void qemu_clipboard_peer_register(QemuClipboardPeer *peer)
11 notifier_list_add(&clipboard_notifiers, &peer->notifier);
14 void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer)
16 int i;
18 for (i = 0; i < QEMU_CLIPBOARD_SELECTION__COUNT; i++) {
19 qemu_clipboard_peer_release(peer, i);
21 notifier_remove(&peer->notifier);
24 bool qemu_clipboard_peer_owns(QemuClipboardPeer *peer,
25 QemuClipboardSelection selection)
27 QemuClipboardInfo *info = qemu_clipboard_info(selection);
29 return info && info->owner == peer;
32 void qemu_clipboard_peer_release(QemuClipboardPeer *peer,
33 QemuClipboardSelection selection)
35 g_autoptr(QemuClipboardInfo) info = NULL;
37 if (qemu_clipboard_peer_owns(peer, selection)) {
38 /* set empty clipboard info */
39 info = qemu_clipboard_info_new(NULL, selection);
40 qemu_clipboard_update(info);
44 bool qemu_clipboard_check_serial(QemuClipboardInfo *info, bool client)
46 if (!info->has_serial ||
47 !cbinfo[info->selection] ||
48 !cbinfo[info->selection]->has_serial) {
49 return true;
52 if (client) {
53 return cbinfo[info->selection]->serial >= info->serial;
54 } else {
55 return cbinfo[info->selection]->serial > info->serial;
59 void qemu_clipboard_update(QemuClipboardInfo *info)
61 QemuClipboardNotify notify = {
62 .type = QEMU_CLIPBOARD_UPDATE_INFO,
63 .info = info,
65 assert(info->selection < QEMU_CLIPBOARD_SELECTION__COUNT);
67 notifier_list_notify(&clipboard_notifiers, &notify);
69 qemu_clipboard_info_unref(cbinfo[info->selection]);
70 cbinfo[info->selection] = qemu_clipboard_info_ref(info);
73 QemuClipboardInfo *qemu_clipboard_info(QemuClipboardSelection selection)
75 assert(selection < QEMU_CLIPBOARD_SELECTION__COUNT);
77 return cbinfo[selection];
80 QemuClipboardInfo *qemu_clipboard_info_new(QemuClipboardPeer *owner,
81 QemuClipboardSelection selection)
83 QemuClipboardInfo *info = g_new0(QemuClipboardInfo, 1);
85 info->owner = owner;
86 info->selection = selection;
87 info->refcount = 1;
89 return info;
92 QemuClipboardInfo *qemu_clipboard_info_ref(QemuClipboardInfo *info)
94 info->refcount++;
95 return info;
98 void qemu_clipboard_info_unref(QemuClipboardInfo *info)
100 uint32_t type;
102 if (!info) {
103 return;
106 info->refcount--;
107 if (info->refcount > 0) {
108 return;
111 for (type = 0; type < QEMU_CLIPBOARD_TYPE__COUNT; type++) {
112 g_free(info->types[type].data);
114 g_free(info);
117 void qemu_clipboard_request(QemuClipboardInfo *info,
118 QemuClipboardType type)
120 if (info->types[type].data ||
121 info->types[type].requested ||
122 !info->types[type].available ||
123 !info->owner)
124 return;
126 info->types[type].requested = true;
127 info->owner->request(info, type);
130 void qemu_clipboard_reset_serial(void)
132 QemuClipboardNotify notify = { .type = QEMU_CLIPBOARD_RESET_SERIAL };
134 notifier_list_notify(&clipboard_notifiers, &notify);
137 void qemu_clipboard_set_data(QemuClipboardPeer *peer,
138 QemuClipboardInfo *info,
139 QemuClipboardType type,
140 uint32_t size,
141 const void *data,
142 bool update)
144 if (!info ||
145 info->owner != peer) {
146 return;
149 g_free(info->types[type].data);
150 info->types[type].data = g_memdup(data, size);
151 info->types[type].size = size;
152 info->types[type].available = true;
154 if (update) {
155 qemu_clipboard_update(info);