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Don't lose drag-and-drop data intended for XTerm-like programs

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* src/xselect.c (x_own_selection): If special values exist for
drag-and-drop to unsupported programs, retain them till the
selection is cleared.
This commit is contained in:
Po Lu 2025-03-08 20:42:49 +08:00
parent d2445c8c23
commit b0b7ad24e6
1 changed files with 8 additions and 1 deletions
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9
src/xselect.c
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@ -299,10 +299,17 @@ x_own_selection (Lisp_Object selection_name, Lisp_Object selection_value,
Lisp_Object selection_data;
Lisp_Object prev_value;
prev_value = LOCAL_SELECTION (selection_name, dpyinfo);
/* If the previous value contains alternative data for responding to
programs that do not understand a specialized drag-and-drop
protocol and DND_DATA is unset, transfer it to the new value. */
if (NILP (dnd_data) && !NILP (prev_value))
dnd_data = XCAR (XCDR (XCDR (XCDR (XCDR (prev_value)))));
selection_data = list5 (selection_name, selection_value,
INT_TO_INTEGER (timestamp), frame,
dnd_data);
prev_value = LOCAL_SELECTION (selection_name, dpyinfo);
tset_selection_alist
(dpyinfo->terminal,