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ui/vnc: clipboard support

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This patch adds support for cut+paste to the qemu vnc server, which
allows the vnc client exchange clipbaord data with qemu and other peers
like the qemu vdagent implementation.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20210519053940.1888907-1-kraxel@redhat.com
Message-Id: <20210519053940.1888907-8-kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2021-05-19 07:39:38 +02:00
parent f0349f4d89
commit 0bf41cab93
4 changed files with 363 additions and 6 deletions
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24
ui/vnc.h
View file

@ -29,6 +29,7 @@
#include "qemu/queue.h"
#include "qemu/thread.h"
#include "ui/clipboard.h"
#include "ui/console.h"
#include "audio/audio.h"
#include "qemu/bitmap.h"
@ -348,6 +349,10 @@ struct VncState
Notifier mouse_mode_notifier;
QemuClipboardPeer cbpeer;
QemuClipboardInfo *cbinfo;
uint32_t cbpending;
QTAILQ_ENTRY(VncState) next;
};
@ -417,6 +422,7 @@ enum {
#define VNC_ENCODING_XVP 0XFFFFFECB /* -309 */
#define VNC_ENCODING_ALPHA_CURSOR 0XFFFFFEC6 /* -314 */
#define VNC_ENCODING_WMVi 0x574D5669
#define VNC_ENCODING_CLIPBOARD_EXT 0xc0a1e5ce
/*****************************************************************************
*
@ -458,6 +464,7 @@ enum VncFeatures {
VNC_FEATURE_ZYWRLE,
VNC_FEATURE_LED_STATE,
VNC_FEATURE_XVP,
VNC_FEATURE_CLIPBOARD_EXT,
};
#define VNC_FEATURE_RESIZE_MASK (1 << VNC_FEATURE_RESIZE)
@ -474,6 +481,7 @@ enum VncFeatures {
#define VNC_FEATURE_ZYWRLE_MASK (1 << VNC_FEATURE_ZYWRLE)
#define VNC_FEATURE_LED_STATE_MASK (1 << VNC_FEATURE_LED_STATE)
#define VNC_FEATURE_XVP_MASK (1 << VNC_FEATURE_XVP)
#define VNC_FEATURE_CLIPBOARD_EXT_MASK (1 << VNC_FEATURE_CLIPBOARD_EXT)
/* Client -> Server message IDs */
@ -535,6 +543,17 @@ enum VncFeatures {
#define VNC_XVP_ACTION_REBOOT 3
#define VNC_XVP_ACTION_RESET 4
/* extended clipboard flags */
#define VNC_CLIPBOARD_TEXT (1 << 0)
#define VNC_CLIPBOARD_RTF (1 << 1)
#define VNC_CLIPBOARD_HTML (1 << 2)
#define VNC_CLIPBOARD_DIB (1 << 3)
#define VNC_CLIPBOARD_FILES (1 << 4)
#define VNC_CLIPBOARD_CAPS (1 << 24)
#define VNC_CLIPBOARD_REQUEST (1 << 25)
#define VNC_CLIPBOARD_PEEK (1 << 26)
#define VNC_CLIPBOARD_NOTIFY (1 << 27)
#define VNC_CLIPBOARD_PROVIDE (1 << 28)
/*****************************************************************************
*
@ -618,4 +637,9 @@ int vnc_zrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h);
int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h);
void vnc_zrle_clear(VncState *vs);
/* vnc-clipboard.c */
void vnc_server_cut_text_caps(VncState *vs);
void vnc_client_cut_text(VncState *vs, size_t len, uint8_t *text);
void vnc_client_cut_text_ext(VncState *vs, int32_t len, uint32_t flags, uint8_t *data);
#endif /* QEMU_VNC_H */