(coordinates_in_window): Use WINDOW_LEFT_MARGIN, WINDOW_RIGHT_MARGIN,
and WINDOW_RIGHT_EDGE. Adjust for left-side scroll bar margin.
(window_loop, Fdisplay_buffer): Use new WINDOW_FULL_WIDTH_P macro.
(window_internal_width): Window width now always includes the
scroll bar, if any. Use WINDOW_RIGHTMOST_P and WINDOW_FULL_WIDTH_P.
none/left/right type for identifying vertical scroll bars.
(struct frame): Use vertical_scroll_bar_type.
(FRAME_HAS_VERTICAL_SCROLL_BARS): Use vertical scroll bar type.
(FRAME_VERTICAL_SCROLL_BAR_TYPE): New macro.
(FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT): New macros.
(FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT): New macros.
(FRAME_SCROLL_BAR_WIDTH, FRAME_LEFT_SCROLL_BAR_WIDTH): New macros.
(FRAME_WINDOW_WIDTH, FRAME_WINDOW_WIDTH_ARG): New macros.
(SET_FRAME_WIDTH): New macro.
(WINDOW_VERTICAL_SCROLL_BAR_COLUMN): Modify to handle left-side
croll bars too.
(syms_of_win32fns): Initialize and staticpro Qright.
(x_set_vertical_scroll_bars): Check for left<->right<->none
scroll bar changes, and modify the vertical scroll bar type as appropriate.
(x_figure_window_size): Use new SET_FRAME_WIDTH macro.
(Fx_create_frame): Likewise.
macros WINDOW_LEFT_MARGIN and WINDOW_RIGHT_EDGE.
(adjust_window_charstarts, verify_charstarts, cancel_my_columns):
Use new macro WINDOW_LEFT_MARGIN instead of w->left.
(direct_output_for_insert, direct_output_forward_char): Likewise.
(buffer_posn_from_coords): Likewise.
(verify_charstarts): Use new macro WINDOW_FULL_WIDTH_P.
(update_frame): For determining when to wrap the cursor, use the
new macro FRAME_WINDOW_WIDTH instead of FRAME_WIDTH; they aren't
necessarily the same any more.
(change_frame_size_1): Use FRAME_WINDOW_WIDTH to check for changes.
Give `set_window_width' the window width value. Use new macro SET_FRAME_WIDTH.
(echo_area_display): Shift display_string past a left-side scroll bar.
(redisplay_window): Likewise.
(redisplay_internal): Shift cursor past a left-side scroll bar.
(redisplay_window): Likewise.
(try_window_id): Likewise.
(display_text_line): Likewise.
(redisplay_internal): Shift charstarts past a left-side scroll bar.
(display_text_line): Likewise.
(redisplay_internal): Use new macro WINDOW_FULL_WIDTH_P.
(redisplay_window): Likewise.
(display_text_line): Likewise.
(display_text_line): Shift output past left-side scroll bar.
(display_text_line): Use new WINDOW_RIGHTMOST_P macro.
(display_text_line): Don't pad right columns unless using
a right-side scroll bar. Don't draw vertical bars unless there
isn't any kind of scroll bar.
(display_string): Likewise.
(display_mode_line): Use new macros WINDOW_LEFT_MARGIN,
WINDOW_RIGHT_MARGIN, and WINDOW_FULL_WIDTH_P.
(display_string): Use new macro WINDOW_RIGHTMOST_P.
Add the symbol `right'; this symbol is used to indicate
that a right-side scroll bar is wanted.
(x_set_vertical_scroll_bars): Check for left<->right<->none
scroll bar changes, and modify the vertical scroll bar type as appropriate.
(x_figure_window_size): Use new SET_FRAME_WIDTH macro.
(Fx_create_frame): Likewise.
(Fx_horizontal_line): Use new macro WINDOW_LEFT_MARGIN.
offset by WINDOW_LEFT_MARGIN; this is needed for left-side scrollbars.
(syms_of_keyboard): Initialize and staticpro
internal_last_event_frame and read_key_sequence_cmd.
argument, and use it to decrease the width in the case of a
left-side scroll bar; this prevents the bar and adjacent text
from scrunching together.
(LEFT_VERTICAL_SCROLL_BAR_WIDTH_TRIM): Add constant.
(VERTICAL_SCROLL_BAR_INSIDE_HEIGHT): New arg F (not used).
(VERTICAL_SCROLL_BAR_TOP_RANGE): New arg F (not used).
and VERTICAL_SCROLL_BAR_TOP_RANGE.
(XTclear_end_of_line): Shift end-of-line when there is a
left-side scroll bar by FRAME_LEFT_SCROLL_BAR_WIDTH.
(do_line_dance): Take into account the width of a left-side scroll bar.
(dumprectangle): Trim at FRAME_EXTERNAL_WIDTH instead of FRAME_WIDTH.
(fast_find_position): Use new macro WINDOW_LEFT_MARGIN.
(show_mouse_face): Likewise.
(x_scroll_bar_set_handle): VERTICAL_SCROLL_BAR_INSIDE_WIDTH now
requires the frame as an argument.
(x_scroll_bar_expose): Narrow the box slightly for a left-side scroll bar.
restores the `stat' control flags (they might not be restored if
C-g is pressed during completion).
(file_name_completion_stat): Set and restore flags that make
`stat' faster here instead of in `file_name_completion'.
