/* Window creation, deletion and examination for GNU Emacs.
Does not include redisplay.
- Copyright (C) 1985-1987, 1993-1998, 2000-2012
- Free Software Foundation, Inc.
+ Copyright (C) 1985-1987, 1993-1998, 2000-2013 Free Software
+ Foundation, Inc.
This file is part of GNU Emacs.
static int window_resize_check (struct window *, int);
static void window_resize_apply (struct window *, int);
static Lisp_Object select_window (Lisp_Object, Lisp_Object, int);
+static void select_window_1 (Lisp_Object, bool);
/* This is the window in which the terminal's cursor should
be left when nothing is being done with it. This must
/* Hook run at end of temp_output_buffer_show. */
static Lisp_Object Qtemp_buffer_show_hook;
-/* Incremented for each window created. */
-static int sequence_number;
-
/* Nonzero after init_window_once has finished. */
static int window_initialized;
b = b->base_buffer;
b->window_count += arg;
eassert (b->window_count >= 0);
+ /* These should be recalculated by redisplay code. */
+ w->window_end_valid = 0;
+ w->base_line_pos = 0;
}
}
adjust_window_count (w, 1);
}
-/* Build a frequently used 4-integer (X Y W H) list. */
-
-static Lisp_Object
-list4i (EMACS_INT x, EMACS_INT y, EMACS_INT w, EMACS_INT h)
-{
- return list4 (make_number (x), make_number (y),
- make_number (w), make_number (h));
-}
-
DEFUN ("windowp", Fwindowp, Swindowp, 1, 1, 0,
doc: /* Return t if OBJECT is a window and nil otherwise. */)
(Lisp_Object object)
/* Select window with a minimum of fuss, i.e. don't record the change anywhere
(not even for redisplay's benefit), and assume that the window's frame is
already selected. */
-void
+static void
select_window_1 (Lisp_Object window, bool inhibit_point_swap)
{
/* Store the old selected window's buffer's point in pointm of the old
Note that, when WINDOW is selected, the value returned is the same as
that returned by `point' for WINDOW's buffer. It would be more strictly
-correct to return the `top-level' value of `point', outside of any
+correct to return the top-level value of `point', outside of any
`save-excursion' forms. But that is hard to define. */)
(Lisp_Object window)
{
CHECK_BUFFER (buf);
b = XBUFFER (buf);
-#if 0 /* This change broke some things. We should make it later. */
- /* If we don't know the end position, return nil.
- The user can compute it with vertical-motion if he wants to.
- It would be nicer to do it automatically,
- but that's so slow that it would probably bother people. */
- if (NILP (w->window_end_valid))
- return Qnil;
-#endif
-
if (! NILP (update)
- && (windows_or_buffers_changed || NILP (w->window_end_valid))
+ && (windows_or_buffers_changed || !w->window_end_valid)
&& !noninteractive)
{
struct text_pos startp;
{
register struct window *w = decode_live_window (window);
- CHECK_NUMBER_COERCE_MARKER (pos);
+ /* Type of POS is checked by Fgoto_char or set_marker_restricted ... */
if (w == XWINDOW (selected_window))
{
{
struct buffer *old_buffer = current_buffer;
+ /* ... but here we want to catch type error before buffer change. */
+ CHECK_NUMBER_COERCE_MARKER (pos);
set_buffer_internal (XBUFFER (w->buffer));
Fgoto_char (pos);
set_buffer_internal (old_buffer);
{
register struct window *w = decode_live_window (window);
- CHECK_NUMBER_COERCE_MARKER (pos);
set_marker_restricted (w->start, pos, w->buffer);
- /* this is not right, but much easier than doing what is right. */
+ /* This is not right, but much easier than doing what is right. */
w->start_at_line_beg = 0;
if (NILP (noforce))
w->force_start = 1;
b = XBUFFER (w->buffer);
/* Fail if current matrix is not up-to-date. */
- if (NILP (w->window_end_valid)
+ if (!w->window_end_valid
|| current_buffer->clip_changed
|| current_buffer->prevent_redisplay_optimizations_p
|| w->last_modified < BUF_MODIFF (b)
n->pseudo_window_p = 0;
wset_window_end_vpos (n, make_number (0));
wset_window_end_pos (n, make_number (0));
- wset_window_end_valid (n, Qnil);
+ n->window_end_valid = 0;
n->frozen_window_start_p = 0;
}
}
else if (EQ (all_frames, Qvisible))
{
- FRAME_SAMPLE_VISIBILITY (f);
candidate_p = FRAME_VISIBLE_P (f)
&& (FRAME_TERMINAL (XFRAME (w->frame))
== FRAME_TERMINAL (XFRAME (selected_frame)));
}
else if (INTEGERP (all_frames) && XINT (all_frames) == 0)
{
- FRAME_SAMPLE_VISIBILITY (f);
candidate_p = (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)
#ifdef HAVE_X_WINDOWS
/* Yuck!! If we've just created the frame and the
struct window *w, *r, *s;
struct frame *f;
Lisp_Object sibling, pwindow, swindow IF_LINT (= Qnil), delta;
- ptrdiff_t startpos IF_LINT (= 0);
+ ptrdiff_t startpos IF_LINT (= 0), startbyte IF_LINT (= 0);
int top IF_LINT (= 0), new_top, resize_failed;
w = decode_valid_window (window);
if (!NILP (w->buffer))
{
startpos = marker_position (w->start);
+ startbyte = marker_byte_position (w->start);
top = WINDOW_TOP_EDGE_LINE (w)
- FRAME_TOP_MARGIN (XFRAME (WINDOW_FRAME (w)));
/* Make sure WINDOW is the frame's selected 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, w);
+ pos = *vmotion (startpos, startbyte, -top, w);
set_marker_both (w->start, w->buffer, pos.bufpos, pos.bytepos);
- wset_window_end_valid (w, Qnil);
+ w->window_end_valid = 0;
w->start_at_line_beg = (pos.bytepos == BEGV_BYTE
|| FETCH_BYTE (pos.bytepos - 1) == '\n');
/* We need to do this, so that the window-scroll-functions
wset_window_end_pos (w, make_number (0));
wset_window_end_vpos (w, make_number (0));
memset (&w->last_cursor, 0, sizeof w->last_cursor);
- wset_window_end_valid (w, Qnil);
+
if (!(keep_margins_p && samebuf))
{ /* If we're not actually changing the buffer, don't reset hscroll and
vscroll. This case happens for example when called from
adjust_window_count (p, 1);
XSETWINDOW (parent, p);
- p->sequence_number = ++sequence_number;
-
replace_window (window, parent, 1);
wset_next (o, Qnil);
w->nrows_scale_factor = w->ncols_scale_factor = 1;
w->phys_cursor_type = -1;
w->phys_cursor_width = -1;
- w->sequence_number = ++sequence_number;
+ w->column_number_displayed = -1;
/* Reset window_list. */
Vwindow_list = Qnil;
wset_next (o, new);
}
- wset_window_end_valid (n, Qnil);
+ n->window_end_valid = 0;
memset (&n->last_cursor, 0, sizeof n->last_cursor);
/* Get special geometry settings from reference window. */
}
/* Set the window start, and set up the window for redisplay. */
- set_marker_restricted (w->start, make_number (pos),
- w->buffer);
+ set_marker_restricted_both (w->start, w->buffer, IT_CHARPOS (it),
+ IT_BYTEPOS (it));
bytepos = marker_byte_position (w->start);
w->start_at_line_beg = (pos == BEGV || FETCH_BYTE (bytepos - 1) == '\n');
w->update_mode_line = 1;
register Lisp_Object tem;
int lose;
Lisp_Object bolp;
- ptrdiff_t startpos;
+ ptrdiff_t startpos = marker_position (w->start);
+ ptrdiff_t startbyte = marker_byte_position (w->start);
Lisp_Object original_pos = Qnil;
/* If scrolling screen-fulls, compute the number of lines to
if (whole)
n *= max (1, ht - next_screen_context_lines);
- startpos = marker_position (w->start);
-
if (!NILP (Vscroll_preserve_screen_position))
{
if (window_scroll_preserve_vpos <= 0
|| NILP (Fget (KVAR (current_kboard, Vlast_command), Qscroll_command)))
{
struct position posit
- = *compute_motion (startpos, 0, 0, 0,
- PT, ht, 0,
- -1, w->hscroll,
- 0, w);
+ = *compute_motion (startpos, startbyte, 0, 0, 0,
+ PT, ht, 0, -1, w->hscroll, 0, w);
window_scroll_preserve_vpos = posit.vpos;
window_scroll_preserve_hpos = posit.hpos + w->hscroll;
}
{
Fvertical_motion (make_number (- (ht / 2)), window);
startpos = PT;
+ startbyte = PT_BYTE;
}
- SET_PT (startpos);
+ SET_PT_BOTH (startpos, startbyte);
lose = n < 0 && PT == BEGV;
Fvertical_motion (make_number (n), window);
pos = PT;
DEFUN ("recenter", Frecenter, Srecenter, 0, 1, "P",
doc: /* Center point in selected window and maybe redisplay frame.
-With prefix argument ARG, recenter putting point on screen line ARG
+With a numeric prefix argument ARG, recenter putting point on screen line ARG
relative to the selected window. If ARG is negative, it counts up from the
bottom of the window. (ARG should be less than the height of the window.)
iarg = max (iarg, this_scroll_margin);
- pos = *vmotion (PT, -iarg, w);
+ pos = *vmotion (PT, PT_BYTE, -iarg, w);
charpos = pos.bufpos;
bytepos = pos.bytepos;
}
iarg = clip_to_bounds (this_scroll_margin, iarg,
ht - this_scroll_margin - 1);
- pos = *vmotion (PT, - iarg, w);
+ pos = *vmotion (PT, PT_BYTE, - iarg, w);
charpos = pos.bufpos;
bytepos = pos.bytepos;
}
/* Set the new window start. */
set_marker_both (w->start, w->buffer, charpos, bytepos);
- wset_window_end_valid (w, Qnil);
+ w->window_end_valid = 0;
w->optional_new_start = 1;
{
/* Set window markers at start of visible range. */
if (XMARKER (w->start)->buffer == 0)
- set_marker_restricted (w->start, make_number (0),
- w->buffer);
+ set_marker_restricted_both (w->start, w->buffer, 0, 0);
if (XMARKER (w->pointm)->buffer == 0)
set_marker_restricted_both
(w->pointm, w->buffer,
wset_buffer (w, other_buffer_safely (Fcurrent_buffer ()));
/* This will set the markers to beginning of visible
range. */
- set_marker_restricted (w->start,
- make_number (0), w->buffer);
- set_marker_restricted (w->pointm,
- make_number (0), w->buffer);
+ set_marker_restricted_both (w->start, w->buffer, 0, 0);
+ set_marker_restricted_both (w->pointm, w->buffer, 0, 0);
w->start_at_line_beg = 1;
if (!NILP (w->dedicated))
/* Record this window as dead. */
data->minibuf_selected_window = minibuf_level > 0 ? minibuf_selected_window : Qnil;
data->root_window = FRAME_ROOT_WINDOW (f);
data->focus_frame = FRAME_FOCUS_FRAME (f);
- tem = Fmake_vector (make_number (n_windows), Qnil);
+ tem = make_uninit_vector (n_windows);
data->saved_windows = tem;
for (i = 0; i < n_windows; i++)
ASET (tem, i,
- Fmake_vector (make_number (VECSIZE (struct saved_window)), Qnil));
+ Fmake_vector (make_number (VECSIZE (struct saved_window)), Qnil));
save_window_save (FRAME_ROOT_WINDOW (f), XVECTOR (tem), 0);
XSETWINDOW_CONFIGURATION (tem, data);
return (tem);
adjust_window_margins (w);
clear_glyph_matrix (w->current_matrix);
- wset_window_end_valid (w, Qnil);
+ w->window_end_valid = 0;
++windows_or_buffers_changed;
adjust_glyphs (XFRAME (WINDOW_FRAME (w)));
adjust_window_margins (w);
clear_glyph_matrix (w->current_matrix);
- wset_window_end_valid (w, Qnil);
+ w->window_end_valid = 0;
++windows_or_buffers_changed;
adjust_glyphs (XFRAME (WINDOW_FRAME (w)));
Other values are reserved for future use.
-This variable takes no effect if `window-combination-limit' is non-nil. */);
+This variable takes no effect if the variable `window-combination-limit' is
+non-nil. */);
Vwindow_combination_resize = Qnil;
DEFVAR_LISP ("window-combination-limit", Vwindow_combination_limit,
HCoop / bpt / emacs.git / blobdiff