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xwayland: improve xwm_selection_send_notify

This commit is contained in:
emersion 2018-04-02 21:55:09 -04:00
parent 92b74071d0
commit 103e59703f
No known key found for this signature in database
GPG Key ID: 0FDE7BE0E88F5E48
1 changed files with 18 additions and 19 deletions
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37
xwayland/selection.c
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@ -39,7 +39,7 @@ static enum wl_data_device_manager_dnd_action
}
static void xwm_selection_send_notify(struct wlr_xwm *xwm,
xcb_selection_request_event_t *req, xcb_atom_t property) {
xcb_selection_request_event_t *req, bool success) {
xcb_selection_notify_event_t selection_notify = {
.response_type = XCB_SELECTION_NOTIFY,
.sequence = 0,
@ -47,12 +47,13 @@ static void xwm_selection_send_notify(struct wlr_xwm *xwm,
.requestor = req->requestor,
.selection = req->selection,
.target = req->target,
.property = property,
.property = success ? req->property : XCB_ATOM_NONE,
};
wlr_log(L_DEBUG, "SendEvent destination=%d SelectionNotify(31) time=%d "
"requestor=%d selection=%d target=%d property=%d", req->requestor,
req->time, req->requestor, req->selection, req->target, property);
req->time, req->requestor, req->selection, req->target,
selection_notify.property);
xcb_send_event(xwm->xcb_conn,
0, // propagate
req->requestor,
@ -71,6 +72,7 @@ static int xwm_selection_flush_source_data(
8, // format
transfer->source_data.size,
transfer->source_data.data);
xcb_flush(transfer->selection->xwm->xcb_conn);
transfer->property_set = true;
size_t length = transfer->source_data.size;
transfer->source_data.size = 0;
@ -136,8 +138,7 @@ static int xwm_data_source_read(int fd, uint32_t mask, void *data) {
transfer->property_set = true;
transfer->flush_property_on_delete = true;
xwm_data_source_remove_source(transfer);
xwm_selection_send_notify(xwm, &transfer->request,
transfer->request.property);
xwm_selection_send_notify(xwm, &transfer->request, true);
} else if (transfer->property_set) {
wlr_log(L_DEBUG, "got %zu bytes, waiting for property delete",
transfer->source_data.size);
@ -151,10 +152,8 @@ static int xwm_data_source_read(int fd, uint32_t mask, void *data) {
}
} else if (len == 0 && !transfer->incr) {
wlr_log(L_DEBUG, "non-incr transfer complete");
/* Non-incr transfer all done. */
xwm_selection_flush_source_data(transfer);
xwm_selection_send_notify(xwm, &transfer->request,
transfer->request.property);
xwm_selection_send_notify(xwm, &transfer->request, true);
xcb_flush(xwm->xcb_conn);
xwm_data_source_remove_source(transfer);
xwm_data_source_close_source_fd(transfer);
@ -182,7 +181,7 @@ static int xwm_data_source_read(int fd, uint32_t mask, void *data) {
return 1;
error_out:
xwm_selection_send_notify(xwm, &transfer->request, XCB_ATOM_NONE);
xwm_selection_send_notify(xwm, &transfer->request, false);
xwm_data_source_remove_source(transfer);
xwm_data_source_close_source_fd(transfer);
wl_array_release(&transfer->source_data);
@ -251,7 +250,7 @@ static void xwm_selection_send_data(struct wlr_xwm_selection *selection,
xwm_selection_source_get_mime_types(selection);
if (mime_types == NULL) {
wlr_log(L_ERROR, "not sending selection: no MIME type list available");
xwm_selection_send_notify(selection->xwm, req, XCB_ATOM_NONE);
xwm_selection_send_notify(selection->xwm, req, false);
return;
}
@ -267,7 +266,7 @@ static void xwm_selection_send_data(struct wlr_xwm_selection *selection,
if (!found) {
wlr_log(L_ERROR, "not sending selection: "
"requested an unsupported MIME type %s", mime_type);
xwm_selection_send_notify(selection->xwm, req, XCB_ATOM_NONE);
xwm_selection_send_notify(selection->xwm, req, false);
return;
}
@ -284,7 +283,7 @@ static void xwm_selection_send_data(struct wlr_xwm_selection *selection,
int p[2];
if (pipe(p) == -1) {
wlr_log(L_ERROR, "pipe() failed: %m");
xwm_selection_send_notify(selection->xwm, req, XCB_ATOM_NONE);
xwm_selection_send_notify(selection->xwm, req, false);
return;
}
fcntl(p[0], F_SETFD, FD_CLOEXEC);
@ -459,7 +458,7 @@ static void xwm_selection_send_targets(struct wlr_xwm_selection *selection,
if (mime_types == NULL) {
wlr_log(L_ERROR, "not sending selection targets: "
"no selection source available");
xwm_selection_send_notify(selection->xwm, req, XCB_ATOM_NONE);
xwm_selection_send_notify(selection->xwm, req, false);
return;
}
@ -484,7 +483,7 @@ static void xwm_selection_send_targets(struct wlr_xwm_selection *selection,
32, // format
n, targets);
xwm_selection_send_notify(selection->xwm, req, req->property);
xwm_selection_send_notify(selection->xwm, req, true);
}
static void xwm_selection_send_timestamp(struct wlr_xwm_selection *selection,
@ -497,7 +496,7 @@ static void xwm_selection_send_timestamp(struct wlr_xwm_selection *selection,
32, // format
1, &selection->timestamp);
xwm_selection_send_notify(selection->xwm, req, req->property);
xwm_selection_send_notify(selection->xwm, req, true);
}
static struct wlr_xwm_selection *xwm_get_selection(struct wlr_xwm *xwm,
@ -537,7 +536,7 @@ static void xwm_handle_selection_request(struct wlr_xwm *xwm,
// The wlroots clipboard should already have grabbed the first target,
// so just send selection notify now. This isn't synchronized with the
// clipboard finishing getting the data, so there's a race here.
xwm_selection_send_notify(xwm, req, req->property);
xwm_selection_send_notify(xwm, req, true);
return;
}
@ -559,7 +558,7 @@ static void xwm_handle_selection_request(struct wlr_xwm *xwm,
wlr_log(L_DEBUG, "denying read access to selection %u (%s): "
"no xwayland surface focused", selection->atom, selection_name);
free(selection_name);
xwm_selection_send_notify(xwm, req, XCB_ATOM_NONE);
xwm_selection_send_notify(xwm, req, false);
return;
}
@ -568,14 +567,14 @@ static void xwm_handle_selection_request(struct wlr_xwm *xwm,
} else if (req->target == xwm->atoms[TIMESTAMP]) {
xwm_selection_send_timestamp(selection, req);
} else if (req->target == xwm->atoms[DELETE]) {
xwm_selection_send_notify(selection->xwm, req, req->property);
xwm_selection_send_notify(selection->xwm, req, true);
} else {
// Send data
char *mime_type = xwm_mime_type_from_atom(xwm, req->target);
if (mime_type == NULL) {
wlr_log(L_ERROR, "ignoring selection request: unknown atom %u",
req->target);
xwm_selection_send_notify(xwm, req, XCB_ATOM_NONE);
xwm_selection_send_notify(xwm, req, false);
return;
}
xwm_selection_send_data(selection, req, mime_type);