return Qnil;
/* If that info is not correct, calculate afresh */
- posval = *compute_motion (top, 0, (hscroll ? 1 - hscroll : 0),
+ posval = *compute_motion (top, 0, (hscroll ? 1 - hscroll : 0), 0,
posint, height, 0,
window_internal_width (w) - 1,
hscroll, 0, w);
CHECK_NUMBER (ncol, 1);
if (XINT (ncol) < 0) XSETFASTINT (ncol, 0);
- if (XFASTINT (ncol) >= (1 << (SHORTBITS - 1)))
- args_out_of_range (ncol, Qnil);
w = decode_window (window);
if (XINT (w->hscroll) != XINT (ncol))
- clip_changed = 1; /* Prevent redisplay shortcuts */
+ XBUFFER (w->buffer)->clip_changed = 1; /* Prevent redisplay shortcuts */
w->hscroll = ncol;
return ncol;
}
+DEFUN ("window-redisplay-end-trigger", Fwindow_redisplay_end_trigger,
+ Swindow_redisplay_end_trigger, 0, 1, 0,
+ "Return WINDOW's redisplay end trigger value.\n\
+See `set-window-redisplay-end-trigger' for more information.")
+ (window)
+ Lisp_Object window;
+{
+ return decode_window (window)->redisplay_end_trigger;
+}
+
+DEFUN ("set-window-redisplay-end-trigger", Fset_window_redisplay_end_trigger,
+ Sset_window_redisplay_end_trigger, 2, 2, 0,
+ "Set WINDOW's redisplay end trigger value to VALUE.\n\
+VALUE should be a buffer position (typically a marker) or nil.\n\
+If it is a buffer position, then if redisplay in WINDOW reaches a position\n\
+beyond VALUE, the functions in `redisplay-end-trigger-functions' are called\n\
+with two arguments: WINDOW, and the end trigger value.\n\
+Afterwards the end-trigger value is reset to nil.")
+ (window, value)
+ register Lisp_Object window, value;
+{
+ register struct window *w;
+
+ w = decode_window (window);
+ w->redisplay_end_trigger = value;
+ return value;
+}
+
DEFUN ("window-edges", Fwindow_edges, Swindow_edges, 0, 1, 0,
"Return a list of the edge coordinates of WINDOW.\n\
\(LEFT TOP RIGHT BOTTOM), all relative to 0, 0 at top left corner of frame.\n\
}
DEFUN ("window-start", Fwindow_start, Swindow_start, 0, 1, 0,
- "Return position at which display currently starts in WINDOW.")
+ "Return position at which display currently starts in WINDOW.\n\
+This is updated by redisplay or by calling `set-window-start'.")
(window)
Lisp_Object window;
{
Ignore the specified tables if they are not valid;
if no valid table is specified, return 0. */
-struct Lisp_Vector *
+struct Lisp_Char_Table *
window_display_table (w)
struct window *w;
{
Lisp_Object tem;
tem = w->display_table;
- if (VECTORP (tem) && XVECTOR (tem)->size == DISP_TABLE_SIZE)
- return XVECTOR (tem);
+ if (DISP_TABLE_P (tem))
+ return XCHAR_TABLE (tem);
tem = XBUFFER (w->buffer)->display_table;
- if (VECTORP (tem) && XVECTOR (tem)->size == DISP_TABLE_SIZE)
- return XVECTOR (tem);
+ if (DISP_TABLE_P (tem))
+ return XCHAR_TABLE (tem);
tem = Vstandard_display_table;
- if (VECTORP (tem) && XVECTOR (tem)->size == DISP_TABLE_SIZE)
- return XVECTOR (tem);
+ if (DISP_TABLE_P (tem))
+ return XCHAR_TABLE (tem);
return 0;
}
/* minibuf == nil may or may not include minibuffers.
Decide if it does. */
if (NILP (minibuf))
- minibuf = (minibuf_level ? Qt : Qlambda);
+ minibuf = (minibuf_level ? minibuf_window : Qlambda);
+ else if (! EQ (minibuf, Qt))
+ minibuf = Qlambda;
+ /* Now minibuf can be t => count all minibuffer windows,
+ lambda => count none of them,
+ or a specific minibuffer window (the active one) to count. */
#ifdef MULTI_FRAME
/* all_frames == nil doesn't specify which frames to include. */
if (NILP (all_frames))
- all_frames = (EQ (minibuf, Qt)
+ all_frames = (! EQ (minibuf, Qlambda)
? (FRAME_MINIBUF_WINDOW
(XFRAME
(WINDOW_FRAME
}
/* Which windows are acceptible?
Exit the loop and accept this window if
- this isn't a minibuffer window, or
- we're accepting minibuffer windows, or
+ this isn't a minibuffer window,
+ or we're accepting all minibuffer windows,
+ or this is the active minibuffer and we are accepting that one, or
we've come all the way around and we're back at the original window. */
while (MINI_WINDOW_P (XWINDOW (window))
&& ! EQ (minibuf, Qt)
+ && ! EQ (minibuf, window)
&& ! EQ (window, start_window));
return window;
/* minibuf == nil may or may not include minibuffers.
Decide if it does. */
if (NILP (minibuf))
- minibuf = (minibuf_level ? Qt : Qlambda);
+ minibuf = (minibuf_level ? minibuf_window : Qlambda);
+ else if (! EQ (minibuf, Qt))
+ minibuf = Qlambda;
+ /* Now minibuf can be t => count all minibuffer windows,
+ lambda => count none of them,
+ or a specific minibuffer window (the active one) to count. */
#ifdef MULTI_FRAME
/* all_frames == nil doesn't specify which frames to include.
Decide which frames it includes. */
if (NILP (all_frames))
- all_frames = (EQ (minibuf, Qt)
+ all_frames = (! EQ (minibuf, Qlambda)
? (FRAME_MINIBUF_WINDOW
(XFRAME
(WINDOW_FRAME
window = tem;
}
}
- /* Which windows are acceptable?
+ /* Which windows are acceptible?
Exit the loop and accept this window if
- this isn't a minibuffer window, or
- we're accepting minibuffer windows, or
+ this isn't a minibuffer window,
+ or we're accepting all minibuffer windows,
+ or this is the active minibuffer and we are accepting that one, or
we've come all the way around and we're back at the original window. */
while (MINI_WINDOW_P (XWINDOW (window))
- && !EQ (minibuf, Qt)
- && !EQ (window, start_window));
+ && ! EQ (minibuf, Qt)
+ && ! EQ (minibuf, window)
+ && ! EQ (window, start_window));
return window;
}
Fset_buffer (w->buffer);
/* This computation used to temporarily move point, but that can
have unwanted side effects due to text properties. */
- pos = *vmotion (startpos, -top, window_internal_width (w) - 1,
- XINT (w->hscroll), window);
+ pos = *vmotion (startpos, -top, w);
Fset_marker (w->start, make_number (pos.bufpos), w->buffer);
w->start_at_line_beg = ((pos.bufpos == BEGV
|| FETCH_CHAR (pos.bufpos - 1) == '\n') ? Qt
: Qnil);
+ /* We need to do this, so that the window-scroll-functions
+ get called. */
+ w->force_start = Qt;
set_buffer_internal (obuf);
}
return window;
}
+/* Deiconify the frame containing the window WINDOW, then return WINDOW. */
+
+static Lisp_Object
+display_buffer_1 (window)
+ Lisp_Object window;
+{
+#ifdef MULTI_FRAME
+ FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
+ FRAME_SAMPLE_VISIBILITY (f);
+ if (FRAME_ICONIFIED_P (f))
+ Fmake_frame_visible (WINDOW_FRAME (XWINDOW (window)));
+#endif
+ return window;
+}
+
DEFUN ("display-buffer", Fdisplay_buffer, Sdisplay_buffer, 1, 2,
"bDisplay buffer: \nP",
"Make BUFFER appear in some window but don't select it.\n\
if (NILP (not_this_window)
&& XBUFFER (XWINDOW (selected_window)->buffer) == XBUFFER (buffer))
- return selected_window;
+ return display_buffer_1 (selected_window);
/* See if the user has specified this buffer should appear
in the selected window. */
if (!NILP (tem))
{
Fswitch_to_buffer (buffer, Qnil);
- return selected_window;
+ return display_buffer_1 (selected_window);
}
tem = Fassoc (XBUFFER (buffer)->name, Vsame_window_buffer_names);
if (!NILP (tem))
{
Fswitch_to_buffer (buffer, Qnil);
- return selected_window;
+ return display_buffer_1 (selected_window);
}
for (tem = Vsame_window_regexps; CONSP (tem); tem = XCONS (tem)->cdr)
&& fast_string_match (car, XBUFFER (buffer)->name) >= 0)
{
Fswitch_to_buffer (buffer, Qnil);
- return selected_window;
+ return display_buffer_1 (selected_window);
}
else if (CONSP (car)
&& STRINGP (XCONS (car)->car)
XBUFFER (buffer)->name) >= 0)
{
Fswitch_to_buffer (buffer, Qnil);
- return selected_window;
+ return display_buffer_1 (selected_window);
}
}
}
if (!NILP (window)
&& (NILP (not_this_window) || !EQ (window, selected_window)))
{
-#ifdef MULTI_FRAME
- if (FRAME_ICONIFIED_P (XFRAME (WINDOW_FRAME (XWINDOW (window)))))
- Fmake_frame_visible (WINDOW_FRAME (XWINDOW (window)));
-#endif
- return window;
+ return display_buffer_1 (window);
}
/* Certain buffer names get special handling. */
{
window = Fframe_selected_window (call0 (Vpop_up_frame_function));
Fset_window_buffer (window, buffer);
- return window;
+ return display_buffer_1 (window);
}
#endif /* MULTI_FRAME */
window = Fget_lru_window (Qnil);
Fset_window_buffer (window, buffer);
- return window;
+ return display_buffer_1 (window);
}
void
BEGV = BEG;
ZV = Z;
SET_PT (BEG);
- clip_changed = 1;
+ XBUFFER (buf)->clip_changed = 1;
set_buffer_internal (old);
if (!EQ (Vtemp_buffer_show_function, Qnil))
{
register Lisp_Object new;
register struct window *o, *p;
+ FRAME_PTR fo;
register int size;
+ int internal_width;
+ int separator_width = 1;
if (NILP (window))
window = selected_window;
CHECK_LIVE_WINDOW (window, 0);
o = XWINDOW (window);
+ fo = XFRAME (WINDOW_FRAME (o));
+ if (FRAME_HAS_VERTICAL_SCROLL_BARS (fo))
+ separator_width = FRAME_SCROLL_BAR_COLS (fo);
+ internal_width = window_internal_width (o);
if (NILP (chsize))
{
if (!NILP (horflag))
- /* Round odd size up, since this is for the left-hand window,
- and it will lose a column for the separators. */
- size = ((XFASTINT (o->width) + 1) & -2) >> 1;
+ /* Calculate the size of the left-hand window, by dividing
+ the usable space in columns by two. */
+ size = (internal_width - separator_width) >> 1;
else
size = XFASTINT (o->height) >> 1;
}
if (MINI_WINDOW_P (o))
error ("Attempt to split minibuffer window");
- else if (FRAME_NO_SPLIT_P (XFRAME (WINDOW_FRAME (o))))
+ else if (FRAME_NO_SPLIT_P (fo))
error ("Attempt to split unsplittable frame");
check_min_window_sizes ();
if (NILP (horflag))
{
- if (size < window_min_height
- || size + window_min_height > XFASTINT (o->height))
- args_out_of_range_3 (window, chsize, horflag);
+ if (size < window_min_height)
+ error ("Window height %d too small (after splitting)", size);
+ if (size + window_min_height > XFASTINT (o->height))
+ error ("Window height %d too small (after splitting)",
+ XFASTINT (o->height) - size);
if (NILP (o->parent)
|| NILP (XWINDOW (o->parent)->vchild))
{
}
else
{
- if (size < window_min_width
- || size + window_min_width > XFASTINT (o->width))
- args_out_of_range_3 (window, chsize, horflag);
+ if (size < window_min_width)
+ error ("Window width %d too small (after splitting)", size);
+ if (internal_width - size - separator_width < window_min_width)
+ error ("Window width %d too small (after splitting)",
+ internal_width - size - separator_width);
if (NILP (o->parent)
|| NILP (XWINDOW (o->parent)->hchild))
{
if we are making side-by-side windows */
windows_or_buffers_changed++;
- FRAME_WINDOW_SIZES_CHANGED (XFRAME (WINDOW_FRAME (o))) = 1;
+ FRAME_WINDOW_SIZES_CHANGED (fo) = 1;
new = make_window ();
p = XWINDOW (new);
{
p->height = o->height;
p->top = o->top;
- XSETFASTINT (p->width, XFASTINT (o->width) - size);
+ size += separator_width;
+ XSETFASTINT (p->width, internal_width - size);
XSETFASTINT (o->width, size);
XSETFASTINT (p->left, XFASTINT (o->left) + size);
}
int lose;
Lisp_Object bolp, nmoved;
+ /* Always set force_start so that redisplay_window will run
+ thw window-scroll-functions. */
+ w->force_start = Qt;
+
XSETFASTINT (tem, PT);
tem = Fpos_visible_in_window_p (tem, window);
Fvertical_motion (make_number (- (ht / 2)), window);
XSETFASTINT (tem, PT);
Fset_marker (w->start, tem, w->buffer);
- w->force_start = Qt;
}
SET_PT (marker_position (w->start));
register struct window *w = XWINDOW (selected_window);
register int ht = window_internal_height (w);
struct position pos;
- Lisp_Object window;
if (NILP (n))
{
if (XINT (n) < 0)
XSETINT (n, XINT (n) + ht);
- XSETWINDOW (window, w);
- pos = *vmotion (point, - XINT (n), window_internal_width (w) - 1,
- XINT (w->hscroll), window);
+ pos = *vmotion (point, - XINT (n), w);
Fset_marker (w->start, make_number (pos.bufpos), w->buffer);
w->start_at_line_beg = ((pos.bufpos == BEGV
if (XFASTINT (data->frame_height) != previous_frame_height
|| XFASTINT (data->frame_width) != previous_frame_width)
change_frame_size (f, data->frame_height, data->frame_width, 0, 0);
-#ifdef HAVE_X_WINDOWS
+#ifdef HAVE_WINDOW_SYSTEM
if (XFASTINT (data->frame_menu_bar_lines)
!= previous_frame_menu_bar_lines)
x_set_menu_bar_lines (f, data->frame_menu_bar_lines, 0);
when the frame's old selected window has been deleted. */
#ifdef MULTI_FRAME
if (f != selected_frame && ! FRAME_TERMCAP_P (f))
- Fhandle_switch_frame (WINDOW_FRAME (XWINDOW (data->root_window)), Qnil);
+ do_switch_frame (WINDOW_FRAME (XWINDOW (data->root_window)),
+ Qnil, 0);
#endif
#endif
|| previous_frame_width != FRAME_WIDTH (f))
change_frame_size (f, previous_frame_height, previous_frame_width,
0, 0);
-#ifdef HAVE_X_WINDOWS
+#ifdef HAVE_WINDOW_SYSTEM
if (previous_frame_menu_bar_lines != FRAME_MENU_BAR_LINES (f))
x_set_menu_bar_lines (f, previous_frame_menu_bar_lines, 0);
#endif
Fselect_window above totally superfluous; it still sets f's
selected window. */
if (FRAME_LIVE_P (XFRAME (data->selected_frame)))
- Fhandle_switch_frame (data->selected_frame, Qnil);
+ do_switch_frame (data->selected_frame, Qnil, 0);
#endif
if (!NILP (new_current_buffer))
w->buffer);
}
else
- p->pointm = Fcopy_marker (w->pointm);
+ p->pointm = Fcopy_marker (w->pointm, Qnil);
- p->start = Fcopy_marker (w->start);
+ p->start = Fcopy_marker (w->start, Qnil);
p->start_at_line_beg = w->start_at_line_beg;
tem = XBUFFER (w->buffer)->mark;
- p->mark = Fcopy_marker (tem);
+ p->mark = Fcopy_marker (tem, Qnil);
}
else
{
defsubr (&Swindow_width);
defsubr (&Swindow_hscroll);
defsubr (&Sset_window_hscroll);
+ defsubr (&Swindow_redisplay_end_trigger);
+ defsubr (&Sset_window_redisplay_end_trigger);
defsubr (&Swindow_edges);
defsubr (&Scoordinates_in_window_p);
defsubr (&Swindow_at);