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face's background before the face's foreground.
(XTread_socket): Call note_mouse_movement for EnterNotify.

Preserve the main widget's x and y position.

before moving the window.

(XTread_socket): For ReparentNotify, use x_top_window_to_frame.
Also recompute frame position using x_real_positions.
For ConfigureNotify, don't ignore send_events.
Also recompute frame position using x_real_positions.

(x_make_frame_invisible): Use XWithdrawWindow again.

Use row/col instead of buffer position to keep track of highlighted area.

(note_mouse_highlight): Reorder test for simplicity.

New FLAGS arg deleted.  Callers changed.

(x_calc_absolute_position): New arg FLAGS.  Use XNegative and YNegative.
(x_set_offset): Pass new arg.

Rename the args.  Compute x and y fields from negative positions.
Use XGetWMNormalHints if X11R4 or newer.
(x_make_frame_visible): Call x_set_offset only if not USE_X_TOOLKIT.
(x_make_frame_invisible): Call x_wm_set_size_hint.
(x_set_offset): Pass 0 as 3rd arg to x_wm_set_size_hint.
(x_set_window_size): Likewise.  Set win_gravity field here if nec.

Don't touch win_gravity field if no PWinGravity.

XSetInputFocus if event is not for an existing frame.

(XTread_socket) [USE_X_TOOLKIT]: Never pass motion events to the toolkit.

and simplify the toolkit conditional for those cases.

(x_make_frame_invisible): Explicitly clear visible and
iconified flags, as well as the async flags.

(XTread_socket): Call XSetInputFocus.

(x_make_frame_invisible) [USE_X_TOOLKIT]: Use XtPopdown.
(XTread_socket): Call _XEditResCheckMessages only if HAVE_X11R5.

(XTread_socket): Handle that kind of message.
(x_term_init): Specify -name option in XtAppInitialize.

(Qface, Qmouse_face): Supply missing Lisp_Object.

the frame's default font or not.

(XTread_socket): For UnmapNotify, use x_any_window_to_frame.

(x_set_offset): New arg CHANGE_GRAVITY.
(x_make_frame_visible): Pass new arg.

(x_wm_set_size_hint): Args spec_x and spec_y deleted.
(x_set_offset, x_set_window_size): Don't pass those args.

(x_destroy_window): Just clear out mouse_face... vars.

(x_wm_set_size_hint): Use win_gravity from frame.

(x_make_frame_visible): Call x_set_offset.

(x_iconify_frame): Likewise.

(pending_autoraise_frame): New variable.
(x_new_focus_frame): Don't autoraise here; just set that var.
(XTread_socket): Raise that frame here.

(x_destroy_window): Call clear_mouse_face if necessary.

(x_new_font): Always call x_set_window_size.

(x_wm_set_size_hint): If PROMPTING is 0,
copy the old win_gravity field.
If USPosition is set, don't set PWinGravity.

(x_wm_set_size_hint): If change_gravity is 0, just don't set the gravity.

(x_display_box_cursor): Explicitly clear full height of line.
(dumpglyphs): New arg just_foreground.  Callers changed.
(x_set_window_size): Call XSync.

(note_mouse_highlight): Do nothing if buffer has changed.

(pixel_to_glyph_coords, x_draw_box, clear_cursor, x_display_bar_cursor)
(x_set_resize_hint, x_set_mouse_position, x_wm_set_size_hint)
(XTclear_end_of_line, redraw_previous_char): Use line_height field.

(x_new_font): If frame is new, set line_height field.
Otherwise call frame_update_line_height.

(note_mouse_highlight): Check window still shows buffer that was
displayed in it.

Set mouse_face_deferred_gc when that case arise.
(XTframe_up_to_date): If mouse_face_deferred_gc, redo highlighting.

(show_mouse_face): Turn off cursor only if it's
in the area being manipulated.
(XTupdate_begin): Don't turn off highlight if we aren't updating
the window that it is in.

before it causes an error.

(note_mouse_highlight): Handle disable_mouse_highlight.

XtGetValues to get the width and the height of the Emacs frame.

Use XSET when setting result->x and result->y.

(note_mouse_highlight): Use the value from sort_overlays.
Make the window's buffer current temporarily.
window_end_pos is relative to Z, not ZV.

(XTread_socket, MotionNotify and LeaveNotify cases):
If not in any frame, call clear_mouse_face.

(x_term_init): Set frame_up_to_date_hook.
(XTframe_up_to_date): New function.

(XTupdate_begin): Turn off mouse face display, and defer it.
(XTupdate_end): Undefer.
(mouse_face_defer): New variable.
(mouse_face_mouse_frame, mouse_face_mouse_x, mouse_face_mouse_y):
New variables.

(dumpglyphs): Handle HL = 3 by using mouse_face_face_id.
(note_mouse_movement): Check for mouse face.
(show_mouse_face, fast_find_position): New functions.
(clear_mouse_face): New functions.
(mouse_face_beg, mouse_face_end, mouse_face_face_id): New variables.
(mouse_face_window): New variable.
(syms_of_xterm): Init and staticpro it.

x_any_window_to_frame.