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-rw-r--r--include/ui/clipboard.h62
-rw-r--r--ui/clipboard.c92
-rw-r--r--ui/meson.build1
3 files changed, 155 insertions, 0 deletions
diff --git a/include/ui/clipboard.h b/include/ui/clipboard.h
new file mode 100644
index 0000000..876de76
--- /dev/null
+++ b/include/ui/clipboard.h
@@ -0,0 +1,62 @@
+#ifndef QEMU_CLIPBOARD_H
+#define QEMU_CLIPBOARD_H
+
+#include "qemu/notify.h"
+
+typedef enum QemuClipboardType QemuClipboardType;
+typedef enum QemuClipboardSelection QemuClipboardSelection;
+typedef struct QemuClipboardPeer QemuClipboardPeer;
+typedef struct QemuClipboardInfo QemuClipboardInfo;
+
+enum QemuClipboardType {
+ QEMU_CLIPBOARD_TYPE_TEXT, /* text/plain; charset=utf-8 */
+ QEMU_CLIPBOARD_TYPE__COUNT,
+};
+
+/* same as VD_AGENT_CLIPBOARD_SELECTION_* */
+enum QemuClipboardSelection {
+ QEMU_CLIPBOARD_SELECTION_CLIPBOARD,
+ QEMU_CLIPBOARD_SELECTION_PRIMARY,
+ QEMU_CLIPBOARD_SELECTION_SECONDARY,
+ QEMU_CLIPBOARD_SELECTION__COUNT,
+};
+
+struct QemuClipboardPeer {
+ const char *name;
+ Notifier update;
+ void (*request)(QemuClipboardInfo *info,
+ QemuClipboardType type);
+};
+
+struct QemuClipboardInfo {
+ uint32_t refcount;
+ QemuClipboardPeer *owner;
+ QemuClipboardSelection selection;
+ struct {
+ bool available;
+ bool requested;
+ size_t size;
+ void *data;
+ } types[QEMU_CLIPBOARD_TYPE__COUNT];
+};
+
+void qemu_clipboard_peer_register(QemuClipboardPeer *peer);
+void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer);
+
+QemuClipboardInfo *qemu_clipboard_info_new(QemuClipboardPeer *owner,
+ QemuClipboardSelection selection);
+QemuClipboardInfo *qemu_clipboard_info_ref(QemuClipboardInfo *info);
+void qemu_clipboard_info_unref(QemuClipboardInfo *info);
+
+void qemu_clipboard_update(QemuClipboardInfo *info);
+void qemu_clipboard_request(QemuClipboardInfo *info,
+ QemuClipboardType type);
+
+void qemu_clipboard_set_data(QemuClipboardPeer *peer,
+ QemuClipboardInfo *info,
+ QemuClipboardType type,
+ uint32_t size,
+ void *data,
+ bool update);
+
+#endif /* QEMU_CLIPBOARD_H */
diff --git a/ui/clipboard.c b/ui/clipboard.c
new file mode 100644
index 0000000..abf2b98
--- /dev/null
+++ b/ui/clipboard.c
@@ -0,0 +1,92 @@
+#include "qemu/osdep.h"
+#include "ui/clipboard.h"
+
+static NotifierList clipboard_notifiers =
+ NOTIFIER_LIST_INITIALIZER(clipboard_notifiers);
+
+void qemu_clipboard_peer_register(QemuClipboardPeer *peer)
+{
+ notifier_list_add(&clipboard_notifiers, &peer->update);
+}
+
+void qemu_clipboard_peer_unregister(QemuClipboardPeer *peer)
+{
+ notifier_remove(&peer->update);
+}
+
+void qemu_clipboard_update(QemuClipboardInfo *info)
+{
+ notifier_list_notify(&clipboard_notifiers, info);
+}
+
+QemuClipboardInfo *qemu_clipboard_info_new(QemuClipboardPeer *owner,
+ QemuClipboardSelection selection)
+{
+ QemuClipboardInfo *info = g_new0(QemuClipboardInfo, 1);
+
+ info->owner = owner;
+ info->selection = selection;
+ info->refcount = 1;
+
+ return info;
+}
+
+QemuClipboardInfo *qemu_clipboard_info_ref(QemuClipboardInfo *info)
+{
+ info->refcount++;
+ return info;
+}
+
+void qemu_clipboard_info_unref(QemuClipboardInfo *info)
+{
+ uint32_t type;
+
+ if (!info) {
+ return;
+ }
+
+ info->refcount--;
+ if (info->refcount > 0) {
+ return;
+ }
+
+ for (type = 0; type < QEMU_CLIPBOARD_TYPE__COUNT; type++) {
+ g_free(info->types[type].data);
+ }
+ g_free(info);
+}
+
+void qemu_clipboard_request(QemuClipboardInfo *info,
+ QemuClipboardType type)
+{
+ if (info->types[type].data ||
+ info->types[type].requested ||
+ !info->types[type].available ||
+ !info->owner)
+ return;
+
+ info->types[type].requested = true;
+ info->owner->request(info, type);
+}
+
+void qemu_clipboard_set_data(QemuClipboardPeer *peer,
+ QemuClipboardInfo *info,
+ QemuClipboardType type,
+ uint32_t size,
+ void *data,
+ bool update)
+{
+ if (!info ||
+ info->owner != peer) {
+ return;
+ }
+
+ g_free(info->types[type].data);
+ info->types[type].data = g_memdup(data, size);
+ info->types[type].size = size;
+ info->types[type].available = true;
+
+ if (update) {
+ qemu_clipboard_update(info);
+ }
+}
diff --git a/ui/meson.build b/ui/meson.build
index e8d3ff4..fc4fb75 100644
--- a/ui/meson.build
+++ b/ui/meson.build
@@ -2,6 +2,7 @@ softmmu_ss.add(pixman)
specific_ss.add(when: ['CONFIG_SOFTMMU'], if_true: pixman) # for the include path
softmmu_ss.add(files(
+ 'clipboard.c',
'console.c',
'cursor.c',
'input-keymap.c',