* msdos/sedlibmk.inp: Define GL_GNULIB_RAWMEMCHR.
* src/process.c (Fsignal_names): Disable on MS-DOS and use
SIGNUM_BOUND, which is always provided by gnulib.
* src/xterm.c (x_restore_events_after_dnd): New function.
(x_dnd_cleanup_drag_and_drop, x_dnd_begin_drag_and_drop): Use
that instead of manually cleaning up properties and events.
* lisp/x-dnd.el (x-dnd-handle-xdnd): Use correct meaning of "2",
which isn't well documented.
* src/xterm.c (handle_one_xevent): Likewise. Also fix unpacking
of mouse rects.
* src/xterm.c (x_ignore_errors_for_next_request, x_uncatch_errors)
(x_check_errors, x_had_errors_p): Don't call XNextRequest
redundantly. Use NextRequest if it was immediately preceded by
XNextRequest, which updates dpy->request.
* src/xselect.c (Fx_get_local_selection): Check that VALUE has 4
elements, since x_get_local_selection can dump core otherwise.
This pacifies gcc -Wanalyzer-null-dereference, which found the
problem.
* src/xterm.c (x_dnd_do_drop): New function.
(x_dnd_begin_drag_and_drop): Clear new flag.
(handle_one_xevent): Use that function; send drops upon receipt
of pending XdndStatus, to avoid race conditions where we don't
yet know the selected action.
* src/xterm.c (x_connection_closed): Print list of installed
error handlers if not crashing due to an IO error.
(NO_INLINE): Include error serial in error message.
* src/pgtkterm.c (window_state_event): Support values fullheight and
fullwidth for the fullscreen frame-parameter
* doc/lispref/frames.texi (Size Parameters): Document inability to
actively set hullheight/fullwidth for PGTK frames
* configure.ac: Bump GTK version for PGTK
* etc/NEWS: Change GTK version in PGTK announcement
* src/xfaces.c (Finternal_merge_in_global_face)
(gui_supports_face_attributes_p): Only modify local copy of face
attributes when replacing 'reset' pseudo-values with real values.
(Bug#38771)
* doc/lispref/display.texi (Face Attributes):
* etc/NEWS: Document the new pseudo-value 'reset'.
* src/xfaces.c (realize_named_face, lookup_derived_face)
(gui_supports_face_attributes_p, lookup_named_face)
(Finternal_merge_in_global_face, merge_named_face, merge_faces):
Handle the 'reset' pseudo-value of a face's attribute.
(syms_of_xfaces): New symbol 'reset'.
(RESET_P): New macro.
(check_lface_attrs, Finternal_set_lisp_face_attribute): Allow
'reset' as a value of any attribute except ':inherit'.
(Bug#38771)
* src/xfns.c (setup_xi_event_mask, Fx_create_frame): Set
`xi_mask' ourselves if the version of libXi is too old to have
working XIGetSelectedEvents.
* src/xterm.c (x_destroy_window): Free `xi_mask' with xfree in
that case.
* lisp/x-dnd.el (x-dnd-debug-errors): New variable.
(x-dnd-handle-drag-n-drop-event): Bind
`x-fast-protocol-requests' to t if that is off.
* src/xfns.c (Fx_change_window_property):
(Fx_delete_window_property):
* src/xselect.c (Fx_send_client_message, x_send_client_event):
Don't sync to check for errors if fast protocol requests are
enabled.
* src/xterm.c (x_catch_errors_for_lisp, x_check_errors_for_lisp)
(x_uncatch_errors_for_lisp): New functions.
(syms_of_xterm): New variable `x-fast-protocol-requests'.
* src/xterm.h: Update prototypes.
* src/xterm.c (xm_send_drop_message)
(xm_send_top_level_enter_message, xm_send_drag_motion_message)
(xm_send_top_level_leave_message, x_dnd_compute_toplevels)
(x_dnd_send_enter, x_dnd_send_position, x_dnd_send_leave)
(x_dnd_send_drop, handle_one_xevent, x_catch_errors_with_handler)
(x_request_can_fail, x_clean_failable_requests)
(x_ignore_errors_for_next_request, x_stop_ignoring_errors)
(x_uncatch_errors, x_check_errors, x_had_errors_p, x_error_handler)
(frame_set_mouse_pixel_position, x_focus_frame): Record serial
sequences instead of simply the next request when ignoring a
single request. Use XNextRequest instead of NextRequest, since
the latter is unreliable when using Xlib built with XCB.
* src/xterm.h (struct x_failable_request): New struct..
(struct x_display_info): Make failable request variables the
right type.
* lisp/x-dnd.el (x-dnd-handle-drag-n-drop-event): Select
`window' when handling internal DND events.
(x-dnd-handle-unsupported-drop): Return an appropriate action.
* src/keyboard.c (kbd_buffer_get_event):
* src/termhooks.h (enum event_kind): Delete
`UNSUPPORTED_DROP_EVENT'.
* src/xterm.c (x_dnd_send_unsupported_drop): Set flags instead
of recording input event.
(x_clear_dnd_monitors): Rename to `x_clear_dnd_variables'. Also
clear unsupported drop data.
(x_dnd_begin_drag_and_drop): Run unsupported drop function
inline (and safely), and use its return value if it returned a
symbol.
(syms_of_xterm): Update doc string of
`x-dnd-unsupported-drop-function'.
* src/xterm.h: Update declarations.
* src/xterm.c (handle_one_xevent): Don't clear
`x_dnd_waiting_for_status_window' if a pending position message
was sent in reply to an XdndStatus event.
* doc/lispref/frames.texi (Drag and Drop): Document new
variable.
* lisp/x-dnd.el (x-dnd-do-direct-save): Disable drop emulation
during XDS drag-and-drop.
* src/keyboard.c (kbd_buffer_get_event): Handle recorded value.
* src/xterm.c (x_dnd_do_unsupported_drop): Return if new
variable is nil.
(x_dnd_send_unsupported_drop): Record value of new variable in
events.
(x_dnd_begin_drag_and_drop): Handle recorded value.
(syms_of_xterm): New variable `x-dnd-use-unsupported-drop'.
* src/xselect.c (x_own_selection): New arg `dnd_data'. Record
it.
(x_get_local_selection, x_handle_selection_request)
(x_convert_selection): Convert the DND data instead if the
situation warrants.
(Fx_own_selection_internal, Fx_get_selection_internal)
(Fx_get_local_selection): Update calls to x_get_local_selection.
* src/xterm.c (x_dnd_do_unsupported_drop): If obtaining
selection ownership failed, return. Record DND value and
preserve the current value of PRIMARY, if it exists.
* src/xterm.h: Update prototypes.
* src/dispextern.h (struct it): Rename 'tab_offset' member to
'stretch_adjust'.
* src/xdisp.c (gui_produce_glyphs, produce_stretch_glyph)
(display_line): All users of 'tab_offset' changed.
(produce_stretch_glyph): Fix calculation of ':align-to' when
line numbers are displayed and the window is hscrolled.
(calc_pixel_width_or_height): Fix calculation of width of 'space'
display property when 'display-line-numbers' is turned on, but the
line number was not yet produced for the current glyph row.
(Bug#56176)
