Commit 7c9b11be authored by Eli Zaretskii's avatar Eli Zaretskii
Browse files

Fix bug #7196.

 NEWS: Expand the entry about "Selection changes".
parent d1b08c88
......@@ -230,22 +230,62 @@ should use delete-char with a negative argument instead.
The default handling of clipboard and primary selections has been
changed to conform with other X applications.
The new behavior is that by default Emacs does not put text into the
clipboard, and does not add it to kill-ring, merely because the text
was selected. Only commands that kill text or copy it to the
kill-ring (C-w, M-w, C-k, etc.) put the killed text into the
clipboard. Selected text is put into the primary selection (on
systems, such as X, that support the primary selection separately from
the clipboard).
Similarly, Emacs by default does not retrieve text from the clipboard
when the mouse (e.g., mouse-2) is used for pasting text selected in
another application. Text from the clipboard is retrieved only by
C-y, M-y and other commands that yank text from the kill-ring. Mouse
commands that paste text retrieve text from the primary selection, on
systems that support it separately from the clipboard.
In other words, the default behavior is that mouse gestures that
select and paste text work with the primary selection, while keyboard
commands that kill/copy and paste text work with the clipboard.
This change also means that the "Copy", "Cut", and "Paste" items of
the menu-bar "Edit" menu are now exactly equivalent to, respectively
M-w, C-w, and C-y.
To get back the previous behavior, whereby mouse gestures set the
clipboard and retrieve text from there, customize the variables
`mouse-drag-copy-region' and (on X only) `x-select-enable-primary'.
If you don't want Emacs to put the text into the clipboard, only to
the primary selection, additionally customize
`x-select-enable-clipboard' to nil.
These changes in the default behavior are reflected in the default
values of several variables:
*** `select-active-regions' now defaults to t, so active regions set
the primary selection.
the primary selection. It was nil in previous versions.
It also accepts a new value, `only', which means to only set the
primary selection for temporarily active regions (usually made by
mouse-dragging or shift-selection).
*** `mouse-2' is now bound to `mouse-yank-primary'.
Previously, it was bound to `mouse-yank-at-click' (which is now
unbound by default.
*** `x-select-enable-clipboard' now defaults to t.
*** `x-select-enable-clipboard' now defaults to t on all platforms.
Thus, killing and yanking now use the clipboard (in addition to the
kill ring).
kill ring). Note that this variable was already non-nil by default on
MS-Windows, which does not support the primary selection between
applications.
*** `x-select-enable-primary' now defaults to nil.
This variable exists only on X; its default value was t in previous
versions.
*** `mouse-drag-copy-region' now defaults to nil.
Its previous default value was t.
*** Support for X cut buffers has been removed.
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