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Minor optimization to x_query_pointer_1

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* src/xterm.c (x_query_pointer_1): Clear client pointer if it
disappeared.
This commit is contained in:
Po Lu 2022-08-21 14:06:22 +08:00
parent 07c04da010
commit 8d4789c072
1 changed files with 14 additions and 4 deletions
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18
src/xterm.c
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@ -13442,10 +13442,20 @@ x_query_pointer_1 (struct x_display_info *dpyinfo,
x_uncatch_errors_after_check ();
if (had_errors)
rc = XQueryPointer (dpyinfo->display, w, root_return,
child_return, root_x_return,
root_y_return, win_x_return,
win_y_return, mask_return);
{
/* If the specified client pointer is the display's client
pointer, clear it now. A new client pointer might not be
found before the next call to x_query_pointer_1 and
waiting for the error leads to excessive syncing. */
if (client_pointer_device == dpyinfo->client_pointer_device)
dpyinfo->client_pointer_device = -1;
rc = XQueryPointer (dpyinfo->display, w, root_return,
child_return, root_x_return,
root_y_return, win_x_return,
win_y_return, mask_return);
}
else
{
state = 0;