Commit 95605e15 authored by Jim Blandy's avatar Jim Blandy
Browse files

*** empty log message ***

parent a764a753
......@@ -425,26 +425,24 @@ window_from_coordinates (screen, x, y, part)
DEFUN ("window-at", Fwindow_at, Swindow_at, 1, 2, 0,
"Return window containing position COORDINATES on SCREEN.\n\
"Return window containing row ROW, column COLUMN on SCREEN.\n\
If omitted, SCREEN defaults to the currently selected screen.\n\
COORDINATES is a pair (SCREEN-X . SCREEN-Y) of coordinates\n\
which are relative to 0,0 at the top left corner of the screen.")
(coordinates, screen)
Lisp_Object coordinates, screen;
The top left corner of the screen is considered to be row 0,\n\
column 0.")
(row, column, screen)
Lisp_Object row, column, screen;
int part;
if (NILP (screen))
XSET (screen, Lisp_Screen, selected_screen);
CHECK_LIVE_SCREEN (screen, 0);
CHECK_CONS (coordinates, 1);
CHECK_NUMBER (XCONS (coordinates)->car, 1);
CHECK_NUMBER (XCONS (coordinates)->cdr, 1);
CHECK_LIVE_SCREEN (screen, 2);
CHECK_NUMBER (row, 0);
CHECK_NUMBER (column, 1);
return window_from_coordinates (XSCREEN (screen),
XINT (Fcar (coordinates)),
XINT (Fcdr (coordinates)),
XINT (row), XINT (column),
......@@ -2007,13 +2005,13 @@ scroll_command (n, direction)
register int defalt;
int count = specpdl_ptr - specpdl;
/* Code here used to set the current buffer to the selected window's
buffer, but since this command always operates on the selected
window, the current buffer should always be the selected window's
buffer already. Verify this assumption, so we won't be screwed
if we're guessing wrong. */
/* If selected window's buffer isn't current, make it current for the moment.
But don't screw up if window_scroll gets an error. */
if (XBUFFER (XWINDOW (selected_window)->buffer) != current_buffer)
abort ();
record_unwind_protect (save_excursion_restore, save_excursion_save ());
Fset_buffer (XWINDOW (selected_window)->buffer);
defalt = (window_internal_height (XWINDOW (selected_window))
- next_screen_context_lines);
......@@ -2028,6 +2026,8 @@ scroll_command (n, direction)
n = Fprefix_numeric_value (n);
window_scroll (selected_window, XINT (n) * direction, 0);
unbind_to (count, Qnil);
DEFUN ("scroll-up", Fscroll_up, Sscroll_up, 0, 1, "P",
......@@ -2614,8 +2614,8 @@ init_window_once ()
#else /* not MULTI_SCREEN */
extern Lisp_Object get_minibuffer ();
root_window = make_window (0);
minibuf_window = make_window (0);
root_window = make_window ();
minibuf_window = make_window ();
XWINDOW (root_window)->next = minibuf_window;
XWINDOW (minibuf_window)->prev = root_window;
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