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id = 471
title = "Clipboard sharing with `qemu_vdagent` does not work with SDL backend"
state = "opened"
created_at = "2021-07-11T15:00:37.640Z"
closed_at = "n/a"
labels = ["device:input", "kind::Feature Request", "workflow::Triaged"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/471"
host-os = "Arch Linux"
host-arch = "x86_64"
qemu-version = "QEMU emulator version 6.0.50 (v6.0.0-2451-g3cfcc329af)"
guest-os = "Fedora-Workstation-Live-x86_64-34-1.2.iso"
guest-arch = "x86_64"
description = """Clipboard sharing doesn't work: qemu does not send clipboard-grab messages when selecting on the host, nor does it respond to clipboard-grab messages from the guest."""
reproduce = """1. Start QEMU with `qemu_vdagent` and `-display sdl`
2. Try to copy on the host or the guest
3. Observe that the clipboard is not shared"""
additional = """It appears as though `vdagent_clipboard_notify` function is not called.
Logs:
With SDL:
```
vdagent_open
vdagent_recv_chunk size 28
vdagent_recv_msg msg announce-capabilities, size 8
vdagent_peer_cap cap mouse-state
vdagent_peer_cap cap monitors-config
vdagent_peer_cap cap reply
vdagent_peer_cap cap clipboard-by-demand
vdagent_peer_cap cap clipboard-selection
vdagent_peer_cap cap sparse-monitors-config
vdagent_peer_cap cap guest-lineend-lf
vdagent_peer_cap cap max-clipboard
vdagent_peer_cap cap audio-volume-sync
vdagent_send msg announce-capabilities
# tried to copy on host -- nothing happens here.
# trying to copy on guest:
vdagent_recv_chunk size 28
vdagent_recv_msg msg clipboard-grab, size 8
vdagent_cb_grab_selection selection clipboard
vdagent_cb_grab_type type text
# no response sent
```
With GTK:
```
vdagent_open
vdagent_recv_chunk size 28
vdagent_recv_msg msg announce-capabilities, size 8
vdagent_peer_cap cap mouse-state
vdagent_peer_cap cap monitors-config
vdagent_peer_cap cap reply
vdagent_peer_cap cap clipboard-by-demand
vdagent_peer_cap cap clipboard-selection
vdagent_peer_cap cap sparse-monitors-config
vdagent_peer_cap cap guest-lineend-lf
vdagent_peer_cap cap max-clipboard
vdagent_peer_cap cap audio-volume-sync
vdagent_send msg announce-capabilities
# trying to copy on host:
vdagent_send msg clipboard-grab
vdagent_recv_chunk size 28
vdagent_recv_msg msg clipboard-request, size 8
vdagent_send msg clipboard
vdagent_recv_chunk size 28
# trying to copy on guest:
vdagent_recv_msg msg clipboard-grab, size 8
vdagent_cb_grab_selection selection clipboard
vdagent_cb_grab_type type text
vdagent_send msg clipboard-request
vdagent_recv_chunk size 29
vdagent_recv_msg msg clipboard, size 9
```"""
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