* lisp/select.el (xselect-dnd-target-available-p): New function.
(selection-converter-alist): Register it as the availability
function for DND specific targets.
* etc/NEWS: Announce new hook `post-select-region-hook'.
* lisp/select.el (lost-selection-last-region-buffer): New
variable.
(lost-selection-post-select-region-function): New function.
Deactivate the mark if the buffer changed.
(lost-selection-mode): Add new hook.
* src/keyboard.c (command_loop_1): Run that hook when
appropriate.
(syms_of_keyboard): New hook `post-select-region-hook'.
* doc/emacs/killing.texi (Primary Selection): Document new minor
mode `lost-selection-mode'.
* etc/NEWS: Announce new minor mode.
* lisp/select.el (lost-selection-function): New function.
(lost-selection-mode): New global minor mode.
* lisp/select.el (gui-last-cut-in-clipboard)
(gui-last-cut-in-primary): New variables.
(gui-select-text): Set those variables.
(gui--selection-value-internal, gui-selection-value): Don't
return nil if the last cut did not own the chosen
selection. (bug#56325)
* lisp/select.el (xselect-convert-to-text-uri-list): Return a
type of `text/uri-list' instead of STRING or C_STRING.
* lisp/x-dnd.el (x-dnd-xds-performed): New defvar.
(x-dnd-handle-direct-save): Set it to t and handle URIs with
hostnames correctly. Also return errors correctly.
(x-dnd-handle-octet-stream): New function.
(x-dnd-do-direct-save): Handle application/octet-stream, check
results.
* lisp/select.el (xselect-convert-to-dt-netfile): Encode file
name before computing its tooltalk name, since the indices work
on bytes.
* test/lisp/dnd-tests.el (dnd-tests-begin-file-drag): Add test.
* lisp/select.el (x-dnd-targets-list): New defvar.
(xselect-convert-to-targets): Convert XdndSelection based on the
DND targets list.
* src/xfns.c (Fx_begin_drag): Pass new argument.
* src/xselect.c (struct x_selection_request): New struct.
(x_push_current_selection_request):
(x_pop_current_selection_request): New functions.
(x_selection_request_lisp_error, x_reply_selection_request)
(x_handle_selection_request, x_convert_selection)
(syms_of_xselect_for_pdumper): Correctly handle recursive
requests for MULTIPLE by maintaining a stack of selection
requests, converted selections, and other data.
* src/xterm.c (x_dnd_begin_drag_and_drop): New argument
`selection_target_list'. Bind it to the DND targets list.
(syms_of_xterm): New defvar and associated defsym.
* src/xterm.h: Update prototypes.
* doc/lispref/frames.texi (Drag and Drop): Document new function
`dnd-begin-drag-files'.
* lisp/dired.el (dired-mouse-drag-files): Update doc string.
(dired-map-over-marks): Accept a new value of ARG `marked',
meaning to not fall back to the current file if no marks were
found.
(dired-mouse-drag): Handle marked files in an intuitive way.
* lisp/dnd.el (dnd-last-dragged-remote-file): Allow list values
as well.
(dnd-remove-last-dragged-remote-file): Handle list values.
(dnd-begin-file-drag): Fix file name expansion.
(dnd-begin-drag-files): New function.
* lisp/select.el (xselect-convert-to-filename): Handle mutiple
files
(a vector of file names):.
* doc/lispref/frames.texi (Window System Selections):
* etc/NEWS: Document new changes to `gui-get-selection'.
* lisp/dired.el (dired-mouse-drag): Specify text/uri-list value
explicitly.
* lisp/select.el (gui-set-selection): Update doc string.
(xselect-convert-to-text-uri-list): Update to handle either a
single URL (as a string) or a vector of URLs, instead of file
names.
(xselect-uri-list-available-p): Likewise.
* src/xselect.c (x_get_local_selection): Look in tem's text
properties (if it is a string) for a local value before using
tem itself.
* lisp/dired.el (dired-mouse-drag): Announce _DT_NETFILE in
targets list as well.
* lisp/select.el (xselect--encode-string): New arg
`prefer-string-to-c-string'.
(xselect-convert-to-filename): Convert to TEXT instead of
C_STRING, but use STRING if the type would otherwise be
C_STRING.
(xselect-dt-netfile-available-p, xselect-tt-net-file)
(xselect-convert-to-dt-netfile): New functions.
(selection-converter-alist): New selection converter.
* lisp/mouse.el (mouse-drag-and-drop-region): Make sure mark
stays deactivated if a "cut" operation was performed.
* lisp/select.el (xselect-convert-to-delete): Don't clear
selection contents if it's the XdndSelection.
Previously it was done by just comparing new and old selection
text, now we use also selection timestamps for systems that
support it (only enabled in X for now). (bug#53894)
* lisp/select.el: (gui--last-selection-timestamp-clipboard)
(gui--last-selection-timestamp-primary): New variables.
(gui--set-last-clipboard-selection)
(gui--set-last-primary-selection)
(gui--clipboard-selection-unchanged-p)
(gui--primary-selection-unchanged-p): New functions.
* lisp/dired.el (dired-mouse-drag): Announce "FILE" and
"FILE_NAME" as targets as well.
* lisp/select.el (xselect-convert-to-filename): Handle
XdndSelection specially.
(xselect-convert-to-xm-file): New function.
(selection-converter-alist): Add new converters.
This is the second most widely implemented drag-and-drop
protocol on X Windows, but seems to have some unsolvable
problems (i.e. stuff will keep accumulating in the drag window
as long the target lists keep changing.) The implementation is
not yet complete and doesn't work with some programs.
* lisp/select.el (xselect-convert-xm-special): New functions.
(selection-converter-alist): Add new converters.
* lisp/x-dnd.el (x-dnd-handle-motif): Ignore messages sent by
the receiver.
* src/xterm.c (xm_targets_table_byte_order): New enum;
(SWAPCARD32, SWAPCARD16): New macros.
(xm_targets_table_rec, xm_drop_start_message)
(xm_drag_initiator_info, xm_drag_receiver_info): New structures.
(XM_DRAG_SIDE_EFFECT, xm_read_targets_table_header)
(xm_read_targets_table_rec, xm_find_targets_table_idx)
(x_atoms_compare, xm_write_targets_table)
(xm_write_drag_initiator_info, xm_get_drag_window)
(xm_setup_dnd_targets, xm_send_drop_message)
(xm_read_drag_receiver_info): New functions.
(x_dnd_compute_toplevels): Correctly free some temp data.
(x_dnd_get_window_proxy, x_dnd_get_window_proto)
(x_set_frame_alpha): Likewise.
(handle_one_xevent): If the window has no XDND proto but has
motif drag receiver data, send a motif drop protocol request.
(x_term_init): New atoms for Motif DND support.
* src/xterm.h (struct x_display_info): Add new atoms.
* doc/lispref/frames.texi (Window System Selections):
* lisp/select.el (gui-set-selection): Don't say `data' can be a
cons or list of two integers, since that's not supported.
* etc/NEWS: Announce new user option `dired-mouse-drag-files'.
* lisp/dired.el (dired-mouse-drag-files): New user option.
(dired-mouse-drag): New command.
(dired-mouse-drag-files-map): New variable.
(dired-insert-set-properties): Add additional keymap if mouse
dragging is enabled.
* lisp/select.el (xselect-convert-to-targets): Handle new
form of selection converters.
(xselect-convert-to-username):
(xselect-convert-to-text-uri-list):
(xselect-uri-list-available-p): New functions.
(selection-converter-alist): Add them as selection converters.
* src/xselect.c (x_get_local_selection): Handle new form of
selection converters.
(syms_of_xselect): Update doc strings.
* lisp/mouse.el (mouse-drag-and-drop-region): Report more
selection targets for the benefit of Qt and Mozilla.
* lisp/select.el (xselect--encode-string)
(selection-converter-alist): Add new selection targets.
* src/xterm.c (x_dnd_get_window_proxy): New function.
(x_dnd_get_target_window): New argument proto_out, and return
first window with XdndAware instead of bottommost window.
(handle_one_xevent): Use new argument `proto_out'.
* lisp/select.el (gui--selection-value-internal): Use X types on
Haiku as well.
* lisp/term/haiku-win.el (haiku--selection-type-to-mime): Update
types to correspond better with X.
* src/haikuselect.c (Fhaiku_selection_data):
(Fhaiku_selection_put): Remove a great deal of ad hoc code now
handled by the regular selection machinery.
* lisp/select.el (gui-get-selection): Make (gui-get-selection
'CLIPBOARD 'text/html) get decoded correctly (bug#31149), but still
avoid the logic on Windows.
* lisp/menu-bar.el (clipboard-yank): Make the command work
consistently (bug#27442).
* lisp/select.el (gui-selection-value): Try to explain why the
logic is the way it is.
* lisp/select.el (x-select-request-type): Use text/plain;charset=utf-8
instead.
(gui--selection-value-internal): same.
(gui-get-selection): Treat text/plain;charset=utf-8 as utf-8.
* src/pgtkselect.c (Fpgtk_get_selection_internal): Support
text/plain;charset=utf-8 as foreign-selection.
(syms_of_pgtkselect): Add new symbol.
Apps on XWayland need this.
* lisp/select.el (x-select-request-type): Add choice `text/plain'.
(gui--selection-value-internal): Add text/plain to the default list.
* lisp/select.el (selection-coding-system): Doc fix.
(xselect--encode-string): For C_STRING, if the text is not
already unibyte, use encode-coding-string instead of
string-make-multibyte to make it unibyte.
Restore lines saying "Maintainer: emacs-devel@gnu.org" when there is
no special maintainer for a file. Although this wasn't documented
it was common practice and removing the lines didn't have consensus.
* lisp/select.el (gui-get-selection): Revert a recent
incorrect change. Add a comment explaining what we are trying
to do with C_STRING and why.
(xselect--encode-string): Add a comment explaining what we are
trying to do with C_STRING and why.
