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x11: Only send SelectionNotify on first INCR chunk

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This should only be sent if the selection can be sent at once, or
if we are right about to notify on the first chunk of an INCR
transfer.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1198

(cherry picked from commit 7c939d78c2)
This commit is contained in:
Carlos Garnacho 2020-04-11 17:05:24 +02:00 committed by Robert Mader
parent 51b65b98f5
commit 622e8c348f
1 changed files with 6 additions and 1 deletions
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5
src/x11/meta-x11-selection-output-stream.c
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@ -199,6 +199,7 @@ meta_x11_selection_output_stream_perform_flush (MetaX11SelectionOutputStream *st
meta_x11_selection_output_stream_get_instance_private (stream);
Display *xdisplay;
size_t element_size, n_elements;
gboolean first_chunk = FALSE;
int error_code;
g_assert (!priv->delete_pending);
@ -213,6 +214,9 @@ meta_x11_selection_output_stream_perform_flush (MetaX11SelectionOutputStream *st
element_size = get_element_size (priv->format);
n_elements = priv->data->len / element_size;
if (!priv->incr)
first_chunk = TRUE;
if (!g_output_stream_is_closing (G_OUTPUT_STREAM (stream)))
{
XWindowAttributes attrs;
@ -248,6 +252,7 @@ meta_x11_selection_output_stream_perform_flush (MetaX11SelectionOutputStream *st
g_byte_array_remove_range (priv->data, 0, n_elements * element_size);
}
if (first_chunk)
meta_x11_selection_output_stream_notify_selection (stream);
priv->delete_pending = TRUE;