(x_reply_selection_request): Put x_uncatch_errors in an unwind.
(Fx_get_atom_name): Call x_uncatch_errors earlier.
* window.c (Qscroll_up, Qscroll_down): New syms.
(window_scroll_pixel_based): Make preserve_y static to avoid
getting point stuck when scrolling 1 line.
(x_uncatch_errors): Unused count argument deleted.
* xterm.c (x_catch_errors): Don't use record_unwind_protect, since
it can be called in a signal handler.
(x_catch_errors_unwind): Function deleted.
(x_uncatch_errors): Deallocate last x_error_message_stack struct.
(x_check_errors): Call x_uncatch_errors before signalling error.
(x_load_font, x_term_init, XTmouse_position, handle_one_xevent)
(x_connection_closed, x_list_fonts): Use new versions of
x_catch_errors and x_uncatch_errors.
* xselect.c (x_own_selection, x_decline_selection_request)
(x_reply_selection_request, x_get_foreign_selection)
(Fx_get_atom_name, Fx_send_client_event): Likewise.
* xfns.c (x_real_positions, x_set_mouse_color, Fx_focus_frame):
Likewise.
* eval.c (record_unwind_protect): Add an assertion.
(mac_begin_clip, mac_end_clip): Take arg GC instead of REGION.
All uses changed. Don't do clipping if n_clip_rects is zero.
(mac_set_clip_rectangles): Use xassert instead of abort. Set
n_clip_rects. Don't make clip_region empty when number of
clipping rectangles is zero.
(mac_reset_clip_rectangles): Set n_clip_rects directly instead of
calling mac_set_clip_rectangles.
(x_set_toolkit_scroll_bar_thumb): Temporarily hide scroll bar to
avoid multiple redraws.
BG_WIDTH. All uses changed. Draw background if BG_WIDTH is not zero.
(mac_draw_image_string, mac_draw_image_string_16): New arg BG_WIDTH.
[USE_CG_TEXT_DRAWING] (mac_draw_image_string_cg): Rename from
mac_draw_string_cg. New arg BG_WIDTH. All uses changed. Draw
background if BG_WIDTH is not zero. Use float constants as
divisors instead of double. Use alloca instead of xmalloc/xfree.
(x_draw_glyph_string_background, x_draw_glyph_string_foreground)
[!MAC_OS8 || USE_ATSUI]: Background may be drawn using
mac_draw_image_string* functions.
(XLoadQueryFont) [MAC_OS8 && USE_ATSUI]: Don't adjust heights of
some fonts when srcCopy text transfer mode might be used.
(mac_begin_clip, mac_end_clip): Check if region is empty.
(mac_set_clip_rectangles): When resetting clip region, make it
empty instead of disposing of it.
value of x-gtk-whole-detached-tool-bar.
(xg_tool_bar_attach_callback): Set show-arrow to FALSE.
* xfns.c (syms_of_xfns): New variable: x-gtk-whole-detached-tool-bar.
* xterm.h: Declare x_x_to_emacs_modifiers.
* gtkutil.c (xg_tool_bar_button_cb): New function.
(xg_tool_bar_callback): Call x_x_to_emacs_modifiers to
store modifiers in event.
(update_frame_tool_bar): Connect button-release-event to
xg_tool_bar_button_cb.
