/* Display generation from window structure and buffer text.
-Copyright (C) 1985-1988, 1993-1995, 1997-2012 Free Software Foundation, Inc.
+Copyright (C) 1985-1988, 1993-1995, 1997-2013 Free Software Foundation,
+Inc.
This file is part of GNU Emacs.
#include <config.h>
#include <stdio.h>
#include <limits.h>
-#include <setjmp.h>
#include "lisp.h"
+#include "atimer.h"
#include "keyboard.h"
#include "frame.h"
#include "window.h"
#ifdef HAVE_X_WINDOWS
#include "xterm.h"
#endif
-#ifdef WINDOWSNT
+#ifdef HAVE_NTGUI
#include "w32term.h"
#endif
#ifdef HAVE_NS
static Lisp_Object Qbuffer_position, Qposition, Qobject;
static Lisp_Object Qright_to_left, Qleft_to_right;
-/* Cursor shapes */
+/* Cursor shapes. */
Lisp_Object Qbar, Qhbar, Qbox, Qhollow;
-/* Pointer shapes */
+/* Pointer shapes. */
static Lisp_Object Qarrow, Qhand;
Lisp_Object Qtext;
static Lisp_Object Qwrap_prefix;
static Lisp_Object Qline_prefix;
+static Lisp_Object Qredisplay_internal;
/* Non-nil means don't actually do any redisplay. */
static Lisp_Object Qmargin, Qpointer;
static Lisp_Object Qline_height;
+/* These setters are used only in this file, so they can be private. */
+static void
+wset_base_line_number (struct window *w, Lisp_Object val)
+{
+ w->base_line_number = val;
+}
+static void
+wset_base_line_pos (struct window *w, Lisp_Object val)
+{
+ w->base_line_pos = val;
+}
+static void
+wset_column_number_displayed (struct window *w, Lisp_Object val)
+{
+ w->column_number_displayed = val;
+}
+static void
+wset_region_showing (struct window *w, Lisp_Object val)
+{
+ w->region_showing = val;
+}
+
#ifdef HAVE_WINDOW_SYSTEM
/* Test if overflow newline into fringe. Called with iterator IT
static int overlay_arrow_seen;
-/* Number of windows showing the buffer of the selected window (or
- another buffer with the same base buffer). keyboard.c refers to
- this. */
-
-int buffer_shared;
-
/* Vector containing glyphs for an ellipsis `...'. */
static Lisp_Object default_invis_vector[3];
static struct glyph_slice null_glyph_slice = { 0, 0, 0, 0 };
#endif
-/* Non-zero while redisplay_internal is in progress. */
+/* True while redisplay_internal is in progress. */
-int redisplaying_p;
+bool redisplaying_p;
static Lisp_Object Qinhibit_free_realized_faces;
static Lisp_Object Qmode_line_default_help_echo;
static struct text_pos display_prop_end (struct it *, Lisp_Object,
struct text_pos);
static int compute_window_start_on_continuation_line (struct window *);
-static Lisp_Object safe_eval_handler (Lisp_Object);
static void insert_left_trunc_glyphs (struct it *);
static struct glyph_row *get_overlay_arrow_glyph_row (struct window *,
Lisp_Object);
static void iterate_out_of_display_property (struct it *);
static void pop_it (struct it *);
static void sync_frame_with_window_matrix_rows (struct window *);
-static void select_frame_for_redisplay (Lisp_Object);
static void redisplay_internal (void);
static int echo_area_display (int);
static void redisplay_windows (Lisp_Object);
move_it_in_display_line_to (struct it *, ptrdiff_t, int,
enum move_operation_enum);
void move_it_vertically_backward (struct it *, int);
+static void get_visually_first_element (struct it *);
static void init_to_row_start (struct it *, struct window *,
struct glyph_row *);
static int init_to_row_end (struct it *, struct window *,
*BOTTOM_RIGHT_Y the coordinates of the bottom-right corner of the
box. */
-static inline void
+static void
window_box_edges (struct window *w, int area, int *top_left_x, int *top_left_y,
int *bottom_right_x, int *bottom_right_y)
{
/* Limit insanely large values of W->hscroll on frame F to the largest
value that will still prevent first_visible_x and last_visible_x of
'struct it' from overflowing an int. */
-static inline int
+static int
window_hscroll_limited (struct window *w, struct frame *f)
{
ptrdiff_t window_hscroll = w->hscroll;
if (WINDOW_WANTS_HEADER_LINE_P (w))
current_header_line_height
= display_mode_line (w, HEADER_LINE_FACE_ID,
- BVAR (current_buffer, header_line_format));
+ BVAR (current_buffer, header_line_format));
start_display (&it, w, top);
- move_it_to (&it, charpos, -1, it.last_visible_y-1, -1,
+ move_it_to (&it, charpos, -1, it.last_visible_y - 1, -1,
(charpos >= 0 ? MOVE_TO_POS : 0) | MOVE_TO_Y);
if (charpos >= 0
&& IT_CHARPOS (it) >= charpos)
/* When scanning backwards under bidi iteration, move_it_to
stops at or _before_ CHARPOS, because it stops at or to
- the _right_ of the character at CHARPOS. */
+ the _right_ of the character at CHARPOS. */
|| (it.bidi_p && it.bidi_it.scan_dir == -1
&& IT_CHARPOS (it) <= charpos)))
{
returns an invalid character. If we find one, we return a `?', but
with the length of the invalid character. */
-static inline int
+static int
string_char_and_length (const unsigned char *str, int *len)
{
int c;
/* Value is the text position, i.e. character and byte position,
for character position CHARPOS in STRING. */
-static inline struct text_pos
+static struct text_pos
string_pos (ptrdiff_t charpos, Lisp_Object string)
{
struct text_pos pos;
/* Error handler for safe_eval and safe_call. */
static Lisp_Object
-safe_eval_handler (Lisp_Object arg)
+safe_eval_handler (Lisp_Object arg, ptrdiff_t nargs, Lisp_Object *args)
{
- add_to_log ("Error during redisplay: %S", arg, Qnil);
+ add_to_log ("Error during redisplay: %S signaled %S",
+ Flist (nargs, args), arg);
return Qnil;
}
ptrdiff_t i;
ptrdiff_t count = SPECPDL_INDEX ();
struct gcpro gcpro1;
- Lisp_Object *args = alloca (nargs * sizeof (Lisp_Object));
+ Lisp_Object *args = alloca (nargs * word_size);
args[0] = func;
va_start (ap, func);
#endif /* GLYPH_DEBUG and ENABLE_CHECKING */
+/* Return mark position if current buffer has the region of non-zero length,
+ or -1 otherwise. */
+
+static ptrdiff_t
+markpos_of_region (void)
+{
+ if (!NILP (Vtransient_mark_mode)
+ && !NILP (BVAR (current_buffer, mark_active))
+ && XMARKER (BVAR (current_buffer, mark))->buffer != NULL)
+ {
+ ptrdiff_t markpos = XMARKER (BVAR (current_buffer, mark))->charpos;
+
+ if (markpos != PT)
+ return markpos;
+ }
+ return -1;
+}
-\f
/***********************************************************************
Iterator initialization
***********************************************************************/
ptrdiff_t charpos, ptrdiff_t bytepos,
struct glyph_row *row, enum face_id base_face_id)
{
- int highlight_region_p;
+ ptrdiff_t markpos;
enum face_id remapped_base_face_id = base_face_id;
/* Some precondition checks. */
/* Perhaps remap BASE_FACE_ID to a user-specified alternative. */
if (! NILP (Vface_remapping_alist))
- remapped_base_face_id = lookup_basic_face (XFRAME (w->frame), base_face_id);
+ remapped_base_face_id
+ = lookup_basic_face (XFRAME (w->frame), base_face_id);
/* Use one of the mode line rows of W's desired matrix if
appropriate. */
is invisible. >0 means lines indented more than this value are
invisible. */
it->selective = (INTEGERP (BVAR (current_buffer, selective_display))
- ? clip_to_bounds (-1, XINT (BVAR (current_buffer,
- selective_display)),
- PTRDIFF_MAX)
+ ? (clip_to_bounds
+ (-1, XINT (BVAR (current_buffer, selective_display)),
+ PTRDIFF_MAX))
: (!NILP (BVAR (current_buffer, selective_display))
? -1 : 0));
it->selective_display_ellipsis_p
/* Are multibyte characters enabled in current_buffer? */
it->multibyte_p = !NILP (BVAR (current_buffer, enable_multibyte_characters));
- /* Non-zero if we should highlight the region. */
- highlight_region_p
- = (!NILP (Vtransient_mark_mode)
- && !NILP (BVAR (current_buffer, mark_active))
- && XMARKER (BVAR (current_buffer, mark))->buffer != 0);
-
- /* Set IT->region_beg_charpos and IT->region_end_charpos to the
- start and end of a visible region in window IT->w. Set both to
- -1 to indicate no region. */
- if (highlight_region_p
+ /* If visible region is of non-zero length, set IT->region_beg_charpos
+ and IT->region_end_charpos to the start and end of a visible region
+ in window IT->w. Set both to -1 to indicate no region. */
+ markpos = markpos_of_region ();
+ if (0 <= markpos
/* Maybe highlight only in selected window. */
&& (/* Either show region everywhere. */
highlight_nonselected_windows
&& WINDOWP (minibuf_selected_window)
&& w == XWINDOW (minibuf_selected_window))))
{
- ptrdiff_t markpos = marker_position (BVAR (current_buffer, mark));
it->region_beg_charpos = min (PT, markpos);
it->region_end_charpos = max (PT, markpos);
}
eassert (STRINGP (it->string));
it->current.string_pos = pos->string_pos;
it->method = GET_FROM_STRING;
+ it->end_charpos = SCHARS (it->string);
+ /* Set up the bidi iterator for this overlay string. */
+ if (it->bidi_p)
+ {
+ it->bidi_it.string.lstring = it->string;
+ it->bidi_it.string.s = NULL;
+ it->bidi_it.string.schars = SCHARS (it->string);
+ it->bidi_it.string.bufpos = it->overlay_strings_charpos;
+ it->bidi_it.string.from_disp_str = it->string_from_display_prop_p;
+ it->bidi_it.string.unibyte = !it->multibyte_p;
+ bidi_init_it (IT_STRING_CHARPOS (*it), IT_STRING_BYTEPOS (*it),
+ FRAME_WINDOW_P (it->f), &it->bidi_it);
+
+ /* Synchronize the state of the bidi iterator with
+ pos->string_pos. For any string position other than
+ zero, this will be done automagically when we resume
+ iteration over the string and get_visually_first_element
+ is called. But if string_pos is zero, and the string is
+ to be reordered for display, we need to resync manually,
+ since it could be that the iteration state recorded in
+ pos ended at string_pos of 0 moving backwards in string. */
+ if (CHARPOS (pos->string_pos) == 0)
+ {
+ get_visually_first_element (it);
+ if (IT_STRING_CHARPOS (*it) != 0)
+ do {
+ /* Paranoia. */
+ eassert (it->bidi_it.charpos < it->bidi_it.string.schars);
+ bidi_move_to_visually_next (&it->bidi_it);
+ } while (it->bidi_it.charpos != 0);
+ }
+ eassert (IT_STRING_CHARPOS (*it) == it->bidi_it.charpos
+ && IT_STRING_BYTEPOS (*it) == it->bidi_it.bytepos);
+ }
}
if (CHARPOS (pos->string_pos) >= 0)
IT should already be filled with that string. */
it->current.string_pos = pos->string_pos;
eassert (STRINGP (it->string));
+ if (it->bidi_p)
+ bidi_init_it (IT_STRING_CHARPOS (*it), IT_STRING_BYTEPOS (*it),
+ FRAME_WINDOW_P (it->f), &it->bidi_it);
}
/* Restore position in display vector translations, control
interval if there isn't such an interval. */
position = make_number (charpos);
iv = validate_interval_range (object, &position, &position, 0);
- if (!NULL_INTERVAL_P (iv))
+ if (iv)
{
Lisp_Object values_here[LAST_PROP_IDX];
struct props *p;
/* Look for an interval following iv that has different
properties. */
for (next_iv = next_interval (iv);
- (!NULL_INTERVAL_P (next_iv)
+ (next_iv
&& (NILP (limit)
|| XFASTINT (limit) > next_iv->position));
next_iv = next_interval (next_iv))
break;
}
- if (!NULL_INTERVAL_P (next_iv))
+ if (next_iv)
{
if (INTEGERP (limit)
&& next_iv->position >= XFASTINT (limit))
}
/* There isn't much we can reasonably do to protect against
misbehaving fontification, but here's a fig leaf. */
- else if (!NILP (BVAR (obuf, name)))
+ else if (BUFFER_LIVE_P (obuf))
set_buffer_internal_1 (obuf);
/* The fontification code may have added/removed text.
if (new_face_id != it->face_id)
{
struct face *new_face = FACE_FROM_ID (it->f, new_face_id);
+ /* If it->face_id is -1, old_face below will be NULL, see
+ the definition of FACE_FROM_ID. This will happen if this
+ is the initial call that gets the face. */
+ struct face *old_face = FACE_FROM_ID (it->f, it->face_id);
- /* If new face has a box but old face has not, this is
- the start of a run of characters with box, i.e. it has
- a shadow on the left side. The value of face_id of the
- iterator will be -1 if this is the initial call that gets
- the face. In this case, we have to look in front of IT's
- position and see whether there is a face != new_face_id. */
- it->start_of_box_run_p
- = (new_face->box != FACE_NO_BOX
- && (it->face_id >= 0
- || IT_CHARPOS (*it) == BEG
- || new_face_id != face_before_it_pos (it)));
+ /* If the value of face_id of the iterator is -1, we have to
+ look in front of IT's position and see whether there is a
+ face there that's different from new_face_id. */
+ if (!old_face && IT_CHARPOS (*it) > BEG)
+ {
+ int prev_face_id = face_before_it_pos (it);
+
+ old_face = FACE_FROM_ID (it->f, prev_face_id);
+ }
+
+ /* If the new face has a box, but the old face does not,
+ this is the start of a run of characters with box face,
+ i.e. this character has a shadow on the left side. */
+ it->start_of_box_run_p = (new_face->box != FACE_NO_BOX
+ && (old_face == NULL || !old_face->box));
it->face_box_p = new_face->box != FACE_NO_BOX;
}
}
handle_invisible_prop (struct it *it)
{
enum prop_handled handled = HANDLED_NORMALLY;
+ int invis_p;
+ Lisp_Object prop;
if (STRINGP (it->string))
{
- Lisp_Object prop, end_charpos, limit, charpos;
+ Lisp_Object end_charpos, limit, charpos;
/* Get the value of the invisible text property at the
current position. Value will be nil if there is no such
property. */
charpos = make_number (IT_STRING_CHARPOS (*it));
prop = Fget_text_property (charpos, Qinvisible, it->string);
+ invis_p = TEXT_PROP_MEANS_INVISIBLE (prop);
- if (!NILP (prop)
- && IT_STRING_CHARPOS (*it) < it->end_charpos)
+ if (invis_p && IT_STRING_CHARPOS (*it) < it->end_charpos)
{
- ptrdiff_t endpos;
+ /* Record whether we have to display an ellipsis for the
+ invisible text. */
+ int display_ellipsis_p = (invis_p == 2);
+ ptrdiff_t len, endpos;
handled = HANDLED_RECOMPUTE_PROPS;
- /* Get the position at which the next change of the
- invisible text property can be found in IT->string.
- Value will be nil if the property value is the same for
- all the rest of IT->string. */
- XSETINT (limit, SCHARS (it->string));
- end_charpos = Fnext_single_property_change (charpos, Qinvisible,
- it->string, limit);
-
- /* Text at current position is invisible. The next
- change in the property is at position end_charpos.
- Move IT's current position to that position. */
- if (INTEGERP (end_charpos)
- && (endpos = XFASTINT (end_charpos)) < XFASTINT (limit))
+ /* Get the position at which the next visible text can be
+ found in IT->string, if any. */
+ endpos = len = SCHARS (it->string);
+ XSETINT (limit, len);
+ do
{
+ end_charpos = Fnext_single_property_change (charpos, Qinvisible,
+ it->string, limit);
+ if (INTEGERP (end_charpos))
+ {
+ endpos = XFASTINT (end_charpos);
+ prop = Fget_text_property (end_charpos, Qinvisible, it->string);
+ invis_p = TEXT_PROP_MEANS_INVISIBLE (prop);
+ if (invis_p == 2)
+ display_ellipsis_p = 1;
+ }
+ }
+ while (invis_p && endpos < len);
+
+ if (display_ellipsis_p)
+ it->ellipsis_p = 1;
+
+ if (endpos < len)
+ {
+ /* Text at END_CHARPOS is visible. Move IT there. */
struct text_pos old;
ptrdiff_t oldpos;
/* The rest of the string is invisible. If this is an
overlay string, proceed with the next overlay string
or whatever comes and return a character from there. */
- if (it->current.overlay_string_index >= 0)
+ if (it->current.overlay_string_index >= 0
+ && !display_ellipsis_p)
{
next_overlay_string (it);
/* Don't check for overlay strings when we just
}
else
{
- int invis_p;
ptrdiff_t newpos, next_stop, start_charpos, tem;
- Lisp_Object pos, prop, overlay;
+ Lisp_Object pos, overlay;
/* First of all, is there invisible text at this position? */
tem = start_charpos = IT_CHARPOS (*it);
SET_TEXT_POS (it->current.string_pos, 0, 0);
it->method = GET_FROM_STRING;
it->stop_charpos = 0;
+ it->end_charpos = SCHARS (it->string);
if (it->cmp_it.stop_pos >= 0)
it->cmp_it.stop_pos = 0;
it->prev_stop = 0;
{
Lisp_Object prop;
prop = Fget_char_property (make_number (IT_CHARPOS (*it) - 1),
- Qinvisible, it->window);
+ Qinvisible, it->window);
if (TEXT_PROP_MEANS_INVISIBLE (prop))
continue;
}
it->stop_charpos = CHARPOS (pos);
it->base_level_stop = CHARPOS (pos);
}
+ /* This make the information stored in it->cmp_it invalidate. */
+ it->cmp_it.id = -1;
}
default:
/* There are no other methods defined, so this should be a bug. */
- abort ();
+ emacs_abort ();
}
eassert (it->method != GET_FROM_STRING
{
it->end_charpos = min (charpos + 1, ZV);
charpos = max (charpos - SCAN_BACK_LIMIT, BEGV);
- SET_TEXT_POS (pos, charpos, BYTE_TO_CHAR (charpos));
+ SET_TEXT_POS (pos, charpos, CHAR_TO_BYTE (charpos));
reseat_1 (it, pos, 0);
compute_stop_pos (it);
/* We must advance forward, right? */
if (it->stop_charpos <= charpos)
- abort ();
+ emacs_abort ();
}
while (charpos > BEGV && it->stop_charpos >= it->end_charpos);
compute_stop_pos (it);
/* We must advance forward, right? */
if (it->stop_charpos <= it->prev_stop)
- abort ();
+ emacs_abort ();
charpos = it->stop_charpos;
}
while (charpos <= where_we_are);
/* Since we are *trying* to run these functions, don't try to run
them again, even if they get an error. */
- it->w->redisplay_end_trigger = Qnil;
+ wset_redisplay_end_trigger (it->w, Qnil);
Frun_hook_with_args (3, args);
/* Notice if it changed the face of the character we are on. */
break;
default:
- abort ();
+ emacs_abort ();
}
/* Reset/increment for the next run. */
struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
USE_SAFE_ALLOCA;
- /* Do nothing if called asynchronously. Inserting text into
- a buffer may call after-change-functions and alike and
- that would means running Lisp asynchronously. */
- if (handling_signal)
- return;
-
fmt = msg = Qnil;
GCPRO4 (fmt, msg, arg1, arg2);
msg = Fformat (3, args);
len = SBYTES (msg) + 1;
- SAFE_ALLOCA (buffer, char *, len);
+ buffer = SAFE_ALLOCA (len);
memcpy (buffer, SDATA (msg), len);
message_dolog (buffer, len - 1, 1, 0);
int old_windows_or_buffers_changed = windows_or_buffers_changed;
ptrdiff_t point_at_end = 0;
ptrdiff_t zv_at_end = 0;
- Lisp_Object old_deactivate_mark, tem;
+ Lisp_Object old_deactivate_mark;
+ bool shown;
struct gcpro gcpro1;
old_deactivate_mark = Vdeactivate_mark;
oldbuf = current_buffer;
Fset_buffer (Fget_buffer_create (Vmessages_buffer_name));
- BVAR (current_buffer, undo_list) = Qt;
+ bset_undo_list (current_buffer, Qt);
oldpoint = message_dolog_marker1;
set_marker_restricted (oldpoint, make_number (PT), Qnil);
del_range_both (BEG, BEG_BYTE, PT, PT_BYTE, 0);
}
}
- BEGV = XMARKER (oldbegv)->charpos;
+ BEGV = marker_position (oldbegv);
BEGV_BYTE = marker_byte_position (oldbegv);
if (zv_at_end)
}
else
{
- ZV = XMARKER (oldzv)->charpos;
+ ZV = marker_position (oldzv);
ZV_BYTE = marker_byte_position (oldzv);
}
else
/* We can't do Fgoto_char (oldpoint) because it will run some
Lisp code. */
- TEMP_SET_PT_BOTH (XMARKER (oldpoint)->charpos,
- XMARKER (oldpoint)->bytepos);
+ TEMP_SET_PT_BOTH (marker_position (oldpoint),
+ marker_byte_position (oldpoint));
UNGCPRO;
unchain_marker (XMARKER (oldpoint));
unchain_marker (XMARKER (oldbegv));
unchain_marker (XMARKER (oldzv));
- tem = Fget_buffer_window (Fcurrent_buffer (), Qt);
+ shown = buffer_window_count (current_buffer) > 0;
set_buffer_internal (oldbuf);
- if (NILP (tem))
+ if (!shown)
windows_or_buffers_changed = old_windows_or_buffers_changed;
message_log_need_newline = !nlflag;
Vdeactivate_mark = old_deactivate_mark;
do_pending_window_change (0);
echo_area_display (1);
do_pending_window_change (0);
- if (FRAME_TERMINAL (f)->frame_up_to_date_hook != 0 && ! gc_in_progress)
+ if (FRAME_TERMINAL (f)->frame_up_to_date_hook)
(*FRAME_TERMINAL (f)->frame_up_to_date_hook) (f);
}
}
message_log_maybe_newline ();
if (STRINGP (m))
{
- char *buffer;
USE_SAFE_ALLOCA;
-
- SAFE_ALLOCA (buffer, char *, nbytes);
+ char *buffer = SAFE_ALLOCA (nbytes);
memcpy (buffer, SDATA (m), nbytes);
message_dolog (buffer, nbytes, 1, multibyte);
SAFE_FREE ();
do_pending_window_change (0);
echo_area_display (1);
do_pending_window_change (0);
- if (FRAME_TERMINAL (f)->frame_up_to_date_hook != 0 && ! gc_in_progress)
+ if (FRAME_TERMINAL (f)->frame_up_to_date_hook)
(*FRAME_TERMINAL (f)->frame_up_to_date_hook) (f);
}
}
for (i = 0; i < 2; ++i)
if (!BUFFERP (echo_buffer[i])
- || NILP (BVAR (XBUFFER (echo_buffer[i]), name)))
+ || !BUFFER_LIVE_P (XBUFFER (echo_buffer[i])))
{
char name[30];
Lisp_Object old_buffer;
old_buffer = echo_buffer[i];
echo_buffer[i] = Fget_buffer_create
(make_formatted_string (name, " *Echo Area %d*", i));
- BVAR (XBUFFER (echo_buffer[i]), truncate_lines) = Qnil;
+ bset_truncate_lines (XBUFFER (echo_buffer[i]), Qnil);
/* to force word wrap in echo area -
it was decided to postpone this*/
/* XBUFFER (echo_buffer[i])->word_wrap = Qt; */
set_buffer_internal_1 (XBUFFER (buffer));
if (w)
{
- w->buffer = buffer;
+ wset_buffer (w, buffer);
set_marker_both (w->pointm, buffer, BEG, BEG_BYTE);
}
- BVAR (current_buffer, undo_list) = Qt;
- BVAR (current_buffer, read_only) = Qnil;
+ bset_undo_list (current_buffer, Qt);
+ bset_read_only (current_buffer, Qnil);
specbind (Qinhibit_read_only, Qt);
specbind (Qinhibit_modification_hooks, Qt);
{
XSETWINDOW (tmp, w); ASET (vector, i, tmp); ++i;
ASET (vector, i, w->buffer); ++i;
- ASET (vector, i, make_number (XMARKER (w->pointm)->charpos)); ++i;
- ASET (vector, i, make_number (XMARKER (w->pointm)->bytepos)); ++i;
+ ASET (vector, i, make_number (marker_position (w->pointm))); ++i;
+ ASET (vector, i, make_number (marker_byte_position (w->pointm))); ++i;
}
else
{
charpos = AREF (vector, 5);
bytepos = AREF (vector, 6);
- w->buffer = buffer;
+ wset_buffer (w, buffer);
set_marker_both (w->pointm, buffer,
XFASTINT (charpos), XFASTINT (bytepos));
}
/* Switch to that buffer and clear it. */
set_buffer_internal (XBUFFER (echo_area_buffer[0]));
- BVAR (current_buffer, truncate_lines) = Qnil;
+ bset_truncate_lines (current_buffer, Qnil);
if (Z > BEG)
{
{
/* Someone switched buffers between print requests. */
set_buffer_internal (XBUFFER (echo_area_buffer[0]));
- BVAR (current_buffer, truncate_lines) = Qnil;
+ bset_truncate_lines (current_buffer, Qnil);
}
}
}
max_height = total_height / 4;
/* Correct that max. height if it's bogus. */
- max_height = max (1, max_height);
- max_height = min (total_height, max_height);
+ max_height = clip_to_bounds (1, max_height, total_height);
/* Find out the height of the text in the window. */
if (it.line_wrap == TRUNCATE)
empty. This is a relatively infrequent operation, so it's not
worth optimizing. */
-int
+bool
push_message (void)
{
- Lisp_Object msg;
- msg = current_message ();
+ Lisp_Object msg = current_message ();
Vmessage_stack = Fcons (msg, Vmessage_stack);
return STRINGP (msg);
}
check_message_stack (void)
{
if (!NILP (Vmessage_stack))
- abort ();
+ emacs_abort ();
}
return 0;
}
-
/* Set the current message to a substring of S or STRING.
If STRING is a Lisp string, set the message to the first NBYTES
(intptr_t) s, string, nbytes, multibyte_p);
message_buf_print = 0;
help_echo_showing_p = 0;
+
+ if (STRINGP (Vdebug_on_message)
+ && fast_string_match (Vdebug_on_message, string) >= 0)
+ call_debugger (list2 (Qerror, string));
}
!= !NILP (BVAR (current_buffer, enable_multibyte_characters)))
Fset_buffer_multibyte (message_enable_multibyte ? Qt : Qnil);
- BVAR (current_buffer, truncate_lines) = message_truncate_lines ? Qt : Qnil;
+ bset_truncate_lines (current_buffer, message_truncate_lines ? Qt : Qnil);
if (!NILP (BVAR (current_buffer, bidi_display_reordering)))
- BVAR (current_buffer, bidi_paragraph_direction) = Qleft_to_right;
+ bset_bidi_paragraph_direction (current_buffer, Qleft_to_right);
/* Insert new message at BEG. */
TEMP_SET_PT_BOTH (BEG, BEG_BYTE);
{
if (f->resized_p)
{
- Fredraw_frame (frame);
+ redraw_frame (f);
f->force_flush_display_p = 1;
}
clear_current_matrices (f);
#endif /* HAVE_WINDOW_SYSTEM */
/* Redraw garbaged frames. */
- if (frame_garbaged)
- clear_garbaged_frames ();
+ clear_garbaged_frames ();
if (!NILP (echo_area_buffer[0]) || minibuf_level == 0)
{
return window_height_changed_p;
}
+/* Nonzero if the current window's buffer is shown in more than one
+ window and was modified since last redisplay. */
+
+static int
+buffer_shared_and_changed (void)
+{
+ return (buffer_window_count (current_buffer) > 1
+ && UNCHANGED_MODIFIED < MODIFF);
+}
+
+/* Nonzero if W doesn't reflect the actual state of current buffer due
+ to its text or overlays change. FIXME: this may be called when
+ XBUFFER (w->buffer) != current_buffer, which looks suspicious. */
+
+static int
+window_outdated (struct window *w)
+{
+ return (w->last_modified < MODIFF
+ || w->last_overlay_modified < OVERLAY_MODIFF);
+}
+
+/* Nonzero if W's buffer was changed but not saved or Transient Mark mode
+ is enabled and mark of W's buffer was changed since last W's update. */
+
+static int
+window_buffer_changed (struct window *w)
+{
+ struct buffer *b = XBUFFER (w->buffer);
+
+ eassert (BUFFER_LIVE_P (b));
+
+ return (((BUF_SAVE_MODIFF (b) < BUF_MODIFF (b)) != w->last_had_star)
+ || ((!NILP (Vtransient_mark_mode) && !NILP (BVAR (b, mark_active)))
+ != !NILP (w->region_showing)));
+}
+
+/* Nonzero if W has %c in its mode line and mode line should be updated. */
+
+static int
+mode_line_update_needed (struct window *w)
+{
+ return (!NILP (w->column_number_displayed)
+ && !(PT == w->last_point && !window_outdated (w))
+ && (XFASTINT (w->column_number_displayed) != current_column ()));
+}
-\f
/***********************************************************************
Mode Lines and Frame Titles
***********************************************************************/
/* Similarly to `with-selected-window', if the operation selects
a window on another frame, we must restore that frame's
selected window, and (for a tty) the top-frame. */
- ASET (vector, 8, FVAR (target_frame, selected_window));
+ ASET (vector, 8, target_frame->selected_window);
if (FRAME_TERMCAP_P (target_frame))
ASET (vector, 9, FRAME_TTY (target_frame)->top_frame);
}
|| f->explicit_name)
{
/* Do we have more than one visible frame on this X display? */
- Lisp_Object tail;
- Lisp_Object fmt;
+ Lisp_Object tail, other_frame, fmt;
ptrdiff_t title_start;
char *title;
ptrdiff_t len;
struct it it;
ptrdiff_t count = SPECPDL_INDEX ();
- for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
+ FOR_EACH_FRAME (tail, other_frame)
{
- Lisp_Object other_frame = XCAR (tail);
struct frame *tf = XFRAME (other_frame);
if (tf != f
format_mode_line_unwind_data
(f, current_buffer, selected_window, 0));
- Fselect_window (FVAR (f, selected_window), Qt);
- set_buffer_internal_1 (XBUFFER (XWINDOW (FVAR (f, selected_window))->buffer));
+ Fselect_window (f->selected_window, Qt);
+ set_buffer_internal_1
+ (XBUFFER (XWINDOW (f->selected_window)->buffer));
fmt = FRAME_ICONIFIED_P (f) ? Vicon_title_format : Vframe_title_format;
mode_line_target = MODE_LINE_TITLE;
title_start = MODE_LINE_NOPROP_LEN (0);
- init_iterator (&it, XWINDOW (FVAR (f, selected_window)), -1, -1,
+ init_iterator (&it, XWINDOW (f->selected_window), -1, -1,
NULL, DEFAULT_FACE_ID);
display_mode_element (&it, 0, -1, -1, fmt, Qnil, 0);
len = MODE_LINE_NOPROP_LEN (title_start);
already wasted too much time by walking through the list with
display_mode_element, then we might need to optimize at a
higher level than this.) */
- if (! STRINGP (FVAR (f, name))
- || SBYTES (FVAR (f, name)) != len
- || memcmp (title, SDATA (FVAR (f, name)), len) != 0)
+ if (! STRINGP (f->name)
+ || SBYTES (f->name) != len
+ || memcmp (title, SDATA (f->name), len) != 0)
x_implicitly_set_name (f, make_string (title, len), Qnil);
}
}
/* Update the menu bar item lists, if appropriate. This has to be
done before any actual redisplay or generation of display lines. */
all_windows = (update_mode_lines
- || buffer_shared > 1
+ || buffer_shared_and_changed ()
|| windows_or_buffers_changed);
if (all_windows)
{
#ifdef HAVE_NS
if (windows_or_buffers_changed
&& FRAME_NS_P (f))
- ns_set_doc_edited (f, Fbuffer_modified_p
- (XWINDOW (FVAR (f, selected_window))->buffer));
+ ns_set_doc_edited
+ (f, Fbuffer_modified_p (XWINDOW (f->selected_window)->buffer));
#endif
UNGCPRO;
}
/* This used to test w->update_mode_line, but we believe
there is no need to recompute the menu in that case. */
|| update_mode_lines
- || ((BUF_SAVE_MODIFF (XBUFFER (w->buffer))
- < BUF_MODIFF (XBUFFER (w->buffer)))
- != w->last_had_star)
- || ((!NILP (Vtransient_mark_mode)
- && !NILP (BVAR (XBUFFER (w->buffer), mark_active)))
- != !NILP (w->region_showing)))
+ || window_buffer_changed (w))
{
struct buffer *prev = current_buffer;
ptrdiff_t count = SPECPDL_INDEX ();
}
XSETFRAME (Vmenu_updating_frame, f);
- FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f));
+ fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f)));
/* Redisplay the menu bar in case we changed it. */
#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
This will also set the cursor position of W. */
if (updated_window == NULL)
{
- BLOCK_INPUT;
+ block_input ();
display_and_set_cursor (w, 1, hpos, vpos, x, y);
if (FRAME_RIF (SELECTED_FRAME ())->flush_display_optional)
FRAME_RIF (SELECTED_FRAME ())->flush_display_optional (SELECTED_FRAME ());
- UNBLOCK_INPUT;
+ unblock_input ();
}
}
int last_tool_bar_item;
-
+/* Select `frame' temporarily without running all the code in
+ do_switch_frame.
+ FIXME: Maybe do_switch_frame should be trimmed down similarly
+ when `norecord' is set. */
static Lisp_Object
-update_tool_bar_unwind (Lisp_Object frame)
+fast_set_selected_frame (Lisp_Object frame)
{
- selected_frame = frame;
+ if (!EQ (selected_frame, frame))
+ {
+ selected_frame = frame;
+ selected_window = XFRAME (frame)->selected_window;
+ }
return Qnil;
}
#if defined (USE_GTK) || defined (HAVE_NS)
int do_update = FRAME_EXTERNAL_TOOL_BAR (f);
#else
- int do_update = WINDOWP (FVAR (f, tool_bar_window))
- && WINDOW_TOTAL_LINES (XWINDOW (FVAR (f, tool_bar_window))) > 0;
+ int do_update = WINDOWP (f->tool_bar_window)
+ && WINDOW_TOTAL_LINES (XWINDOW (f->tool_bar_window)) > 0;
#endif
if (do_update)
if (windows_or_buffers_changed
|| w->update_mode_line
|| update_mode_lines
- || ((BUF_SAVE_MODIFF (XBUFFER (w->buffer))
- < BUF_MODIFF (XBUFFER (w->buffer)))
- != w->last_had_star)
- || ((!NILP (Vtransient_mark_mode)
- && !NILP (BVAR (XBUFFER (w->buffer), mark_active)))
- != !NILP (w->region_showing)))
+ || window_buffer_changed (w))
{
struct buffer *prev = current_buffer;
ptrdiff_t count = SPECPDL_INDEX ();
before calling tool_bar_items, because the calculation of
the tool-bar keymap uses the selected frame (see
`tool-bar-make-keymap' in tool-bar.el). */
- record_unwind_protect (update_tool_bar_unwind, selected_frame);
+ eassert (EQ (selected_window,
+ /* Since we only explicitly preserve selected_frame,
+ check that selected_window would be redundant. */
+ XFRAME (selected_frame)->selected_window));
+ record_unwind_protect (fast_set_selected_frame, selected_frame);
XSETFRAME (frame, f);
- selected_frame = frame;
+ fast_set_selected_frame (frame);
/* Build desired tool-bar items from keymaps. */
- new_tool_bar = tool_bar_items
- (Fcopy_sequence (FVAR (f, tool_bar_items)), &new_n_tool_bar);
+ new_tool_bar
+ = tool_bar_items (Fcopy_sequence (f->tool_bar_items),
+ &new_n_tool_bar);
/* Redisplay the tool-bar if we changed it. */
if (new_n_tool_bar != f->n_tool_bar_items
- || NILP (Fequal (new_tool_bar, FVAR (f, tool_bar_items))))
+ || NILP (Fequal (new_tool_bar, f->tool_bar_items)))
{
/* Redisplay that happens asynchronously due to an expose event
may access f->tool_bar_items. Make sure we update both
variables within BLOCK_INPUT so no such event interrupts. */
- BLOCK_INPUT;
- FVAR (f, tool_bar_items) = new_tool_bar;
+ block_input ();
+ fset_tool_bar_items (f, new_tool_bar);
f->n_tool_bar_items = new_n_tool_bar;
w->update_mode_line = 1;
- UNBLOCK_INPUT;
+ unblock_input ();
}
UNGCPRO;
Otherwise, make a new string. */
/* The size of the string we might be able to reuse. */
- size = (STRINGP (FVAR (f, desired_tool_bar_string))
- ? SCHARS (FVAR (f, desired_tool_bar_string))
+ size = (STRINGP (f->desired_tool_bar_string)
+ ? SCHARS (f->desired_tool_bar_string)
: 0);
/* We need one space in the string for each image. */
size_needed = f->n_tool_bar_items;
/* Reuse f->desired_tool_bar_string, if possible. */
- if (size < size_needed || NILP (FVAR (f, desired_tool_bar_string)))
- FVAR (f, desired_tool_bar_string)
- = Fmake_string (make_number (size_needed), make_number (' '));
+ if (size < size_needed || NILP (f->desired_tool_bar_string))
+ fset_desired_tool_bar_string
+ (f, Fmake_string (make_number (size_needed), make_number (' ')));
else
{
props = list4 (Qdisplay, Qnil, Qmenu_item, Qnil);
Fremove_text_properties (make_number (0), make_number (size),
- props, FVAR (f, desired_tool_bar_string));
+ props, f->desired_tool_bar_string);
}
/* Put a `display' property on the string for the images to display,
for (i = 0; i < f->n_tool_bar_items; ++i)
{
#define PROP(IDX) \
- AREF (FVAR (f, tool_bar_items), i * TOOL_BAR_ITEM_NSLOTS + (IDX))
+ AREF (f->tool_bar_items, i * TOOL_BAR_ITEM_NSLOTS + (IDX))
int enabled_p = !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P));
int selected_p = !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P));
string. The string can be longer than needed when we reuse a
previous string. */
if (i + 1 == f->n_tool_bar_items)
- end = SCHARS (FVAR (f, desired_tool_bar_string));
+ end = SCHARS (f->desired_tool_bar_string);
else
end = i + 1;
Fadd_text_properties (make_number (i), make_number (end),
- props, FVAR (f, desired_tool_bar_string));
+ props, f->desired_tool_bar_string);
#undef PROP
}
static int
tool_bar_lines_needed (struct frame *f, int *n_rows)
{
- struct window *w = XWINDOW (FVAR (f, tool_bar_window));
+ struct window *w = XWINDOW (f->tool_bar_window);
struct it it;
/* tool_bar_lines_needed is called from redisplay_tool_bar after building
the desired matrix, so use (unused) mode-line row as temporary row to
init_iterator (&it, w, -1, -1, temp_row, TOOL_BAR_FACE_ID);
it.first_visible_x = 0;
it.last_visible_x = FRAME_TOTAL_COLS (f) * FRAME_COLUMN_WIDTH (f);
- reseat_to_string (&it, NULL, FVAR (f, desired_tool_bar_string), 0, 0, 0, -1);
+ reseat_to_string (&it, NULL, f->desired_tool_bar_string, 0, 0, 0, -1);
it.paragraph_embedding = L2R;
while (!ITERATOR_AT_END_P (&it))
DEFUN ("tool-bar-lines-needed", Ftool_bar_lines_needed, Stool_bar_lines_needed,
0, 1, 0,
- doc: /* Return the number of lines occupied by the tool bar of FRAME. */)
+ doc: /* Return the number of lines occupied by the tool bar of FRAME.
+If FRAME is nil or omitted, use the selected frame. */)
(Lisp_Object frame)
{
- struct frame *f;
+ struct frame *f = decode_any_frame (frame);
struct window *w;
int nlines = 0;
- if (NILP (frame))
- frame = selected_frame;
- else
- CHECK_FRAME (frame);
- f = XFRAME (frame);
-
- if (WINDOWP (FVAR (f, tool_bar_window))
- && (w = XWINDOW (FVAR (f, tool_bar_window)),
+ if (WINDOWP (f->tool_bar_window)
+ && (w = XWINDOW (f->tool_bar_window),
WINDOW_TOTAL_LINES (w) > 0))
{
update_tool_bar (f, 1);
do anything. This means you must start with tool-bar-lines
non-zero to get the auto-sizing effect. Or in other words, you
can turn off tool-bars by specifying tool-bar-lines zero. */
- if (!WINDOWP (FVAR (f, tool_bar_window))
- || (w = XWINDOW (FVAR (f, tool_bar_window)),
+ if (!WINDOWP (f->tool_bar_window)
+ || (w = XWINDOW (f->tool_bar_window),
WINDOW_TOTAL_LINES (w) == 0))
return 0;
/* Build a string that represents the contents of the tool-bar. */
build_desired_tool_bar_string (f);
- reseat_to_string (&it, NULL, FVAR (f, desired_tool_bar_string), 0, 0, 0, -1);
+ reseat_to_string (&it, NULL, f->desired_tool_bar_string, 0, 0, 0, -1);
/* FIXME: This should be controlled by a user option. But it
doesn't make sense to have an R2L tool bar if the menu bar cannot
be drawn also R2L, and making the menu bar R2L is tricky due
/* This function can be called asynchronously, which means we must
exclude any possibility that Fget_text_property signals an
error. */
- charpos = min (SCHARS (FVAR (f, current_tool_bar_string)), glyph->charpos);
+ charpos = min (SCHARS (f->current_tool_bar_string), glyph->charpos);
charpos = max (0, charpos);
/* Get the text property `menu-item' at pos. The value of that
property is the start index of this item's properties in
F->tool_bar_items. */
prop = Fget_text_property (make_number (charpos),
- Qmenu_item, FVAR (f, current_tool_bar_string));
+ Qmenu_item, f->current_tool_bar_string);
if (INTEGERP (prop))
{
*prop_idx = XINT (prop);
int *hpos, int *vpos, int *prop_idx)
{
Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
- struct window *w = XWINDOW (FVAR (f, tool_bar_window));
+ struct window *w = XWINDOW (f->tool_bar_window);
int area;
/* Find the glyph under X/Y. */
return -1;
/* Is mouse on the highlighted item? */
- if (EQ (FVAR (f, tool_bar_window), hlinfo->mouse_face_window)
+ if (EQ (f->tool_bar_window, hlinfo->mouse_face_window)
&& *vpos >= hlinfo->mouse_face_beg_row
&& *vpos <= hlinfo->mouse_face_end_row
&& (*vpos > hlinfo->mouse_face_beg_row
int modifiers)
{
Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
- struct window *w = XWINDOW (FVAR (f, tool_bar_window));
+ struct window *w = XWINDOW (f->tool_bar_window);
int hpos, vpos, prop_idx;
struct glyph *glyph;
Lisp_Object enabled_p;
return;
/* If item is disabled, do nothing. */
- enabled_p = AREF (FVAR (f, tool_bar_items), prop_idx + TOOL_BAR_ITEM_ENABLED_P);
+ enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P);
if (NILP (enabled_p))
return;
{
/* Show item in pressed state. */
show_mouse_face (hlinfo, DRAW_IMAGE_SUNKEN);
- hlinfo->mouse_face_image_state = DRAW_IMAGE_SUNKEN;
last_tool_bar_item = prop_idx;
}
else
/* Show item in released state. */
show_mouse_face (hlinfo, DRAW_IMAGE_RAISED);
- hlinfo->mouse_face_image_state = DRAW_IMAGE_RAISED;
- key = AREF (FVAR (f, tool_bar_items), prop_idx + TOOL_BAR_ITEM_KEY);
+ key = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_KEY);
XSETFRAME (frame, f);
event.kind = TOOL_BAR_EVENT;
static void
note_tool_bar_highlight (struct frame *f, int x, int y)
{
- Lisp_Object window = FVAR (f, tool_bar_window);
+ Lisp_Object window = f->tool_bar_window;
struct window *w = XWINDOW (window);
Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
&& last_tool_bar_item != prop_idx)
return;
- hlinfo->mouse_face_image_state = DRAW_NORMAL_TEXT;
draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED;
/* If tool-bar item is not enabled, don't highlight it. */
- enabled_p = AREF (FVAR (f, tool_bar_items), prop_idx + TOOL_BAR_ITEM_ENABLED_P);
+ enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P);
if (!NILP (enabled_p))
{
/* Compute the x-position of the glyph. In front and past the
/* Display it as active. */
show_mouse_face (hlinfo, draw);
- hlinfo->mouse_face_image_state = draw;
}
set_help_echo:
XTread_socket does the rest. */
help_echo_object = help_echo_window = Qnil;
help_echo_pos = -1;
- help_echo_string = AREF (FVAR (f, tool_bar_items), prop_idx + TOOL_BAR_ITEM_HELP);
+ help_echo_string = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_HELP);
if (NILP (help_echo_string))
- help_echo_string = AREF (FVAR (f, tool_bar_items), prop_idx + TOOL_BAR_ITEM_CAPTION);
+ help_echo_string = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_CAPTION);
}
#endif /* HAVE_WINDOW_SYSTEM */
if (w == XWINDOW (selected_window))
pt = PT;
else
- {
- pt = marker_position (w->pointm);
- pt = max (BEGV, pt);
- pt = min (ZV, pt);
- }
+ pt = clip_to_bounds (BEGV, marker_position (w->pointm), ZV);
/* Move iterator to pt starting at cursor_row->start in
a line with infinite width. */
buffer position, END is given as a distance from Z. Used in
redisplay_internal for display optimization. */
-static inline int
+static int
text_outside_line_unchanged_p (struct window *w,
ptrdiff_t start, ptrdiff_t end)
{
int unchanged_p = 1;
/* If text or overlays have changed, see where. */
- if (w->last_modified < MODIFF
- || w->last_overlay_modified < OVERLAY_MODIFF)
+ if (window_outdated (w))
{
/* Gap in the line? */
if (GPT < start || Z - GPT < end)
return make_number (fringe_bitmap);
}
#endif
- return make_number (-1); /* Use default arrow bitmap */
+ return make_number (-1); /* Use default arrow bitmap. */
}
return overlay_arrow_string_or_property (var);
}
/* Reconsider the setting of B->clip_changed which is displayed
in window W. */
-static inline void
+static void
reconsider_clip_changes (struct window *w, struct buffer *b)
{
if (b->clip_changed
}
\f
-/* Select FRAME to forward the values of frame-local variables into C
- variables so that the redisplay routines can access those values
- directly. */
-
-static void
-select_frame_for_redisplay (Lisp_Object frame)
-{
- Lisp_Object tail, tem;
- Lisp_Object old = selected_frame;
- struct Lisp_Symbol *sym;
-
- eassert (FRAMEP (frame) && FRAME_LIVE_P (XFRAME (frame)));
-
- selected_frame = frame;
-
- do {
- for (tail = FVAR (XFRAME (frame), param_alist);
- CONSP (tail); tail = XCDR (tail))
- if (CONSP (XCAR (tail))
- && (tem = XCAR (XCAR (tail)),
- SYMBOLP (tem))
- && (sym = indirect_variable (XSYMBOL (tem)),
- sym->redirect == SYMBOL_LOCALIZED)
- && sym->val.blv->frame_local)
- /* Use find_symbol_value rather than Fsymbol_value
- to avoid an error if it is void. */
- find_symbol_value (tem);
- } while (!EQ (frame, old) && (frame = old, 1));
-}
-
-
#define STOP_POLLING \
do { if (! polling_stopped_here) stop_polling (); \
polling_stopped_here = 1; } while (0)
ptrdiff_t count, count1;
struct frame *sf;
int polling_stopped_here = 0;
- Lisp_Object old_frame = selected_frame;
+ Lisp_Object tail, frame;
+ struct backtrace backtrace;
/* Non-zero means redisplay has to consider all windows on all
frames. Zero means, only selected_window is considered. */
int consider_all_windows_p;
- /* Non-zero means redisplay has to redisplay the miniwindow */
+ /* Non-zero means redisplay has to redisplay the miniwindow. */
int update_miniwindow_p = 0;
TRACE ((stderr, "redisplay_internal %d\n", redisplaying_p));
if (redisplaying_p)
return;
- /* Record a function that resets redisplaying_p to its old value
+ /* Record a function that clears redisplaying_p
when we leave this function. */
count = SPECPDL_INDEX ();
- record_unwind_protect (unwind_redisplay,
- Fcons (make_number (redisplaying_p), selected_frame));
- ++redisplaying_p;
+ record_unwind_protect (unwind_redisplay, selected_frame);
+ redisplaying_p = 1;
specbind (Qinhibit_free_realized_faces, Qnil);
- {
- Lisp_Object tail, frame;
+ /* Record this function, so it appears on the profiler's backtraces. */
+ backtrace.next = backtrace_list;
+ backtrace.function = Qredisplay_internal;
+ backtrace.args = &Qnil;
+ backtrace.nargs = 0;
+ backtrace.debug_on_exit = 0;
+ backtrace_list = &backtrace;
- FOR_EACH_FRAME (tail, frame)
- {
- struct frame *f = XFRAME (frame);
- f->already_hscrolled_p = 0;
- }
- }
+ FOR_EACH_FRAME (tail, frame)
+ XFRAME (frame)->already_hscrolled_p = 0;
retry:
/* Remember the currently selected window. */
sw = w;
- if (!EQ (old_frame, selected_frame)
- && FRAME_LIVE_P (XFRAME (old_frame)))
- /* When running redisplay, we play a bit fast-and-loose and allow e.g.
- selected_frame and selected_window to be temporarily out-of-sync so
- when we come back here via `goto retry', we need to resync because we
- may need to run Elisp code (via prepare_menu_bars). */
- select_frame_for_redisplay (old_frame);
-
pending = 0;
reconsider_clip_changes (w, current_buffer);
last_escape_glyph_frame = NULL;
FRAME_TTY (sf)->previous_frame = sf;
}
- /* Set the visible flags for all frames. Do this before checking
- for resized or garbaged frames; they want to know if their frames
- are visible. See the comment in frame.h for
- FRAME_SAMPLE_VISIBILITY. */
- {
- Lisp_Object tail, frame;
-
- number_of_visible_frames = 0;
+ /* Set the visible flags for all frames. Do this before checking for
+ resized or garbaged frames; they want to know if their frames are
+ visible. See the comment in frame.h for FRAME_SAMPLE_VISIBILITY. */
+ number_of_visible_frames = 0;
- FOR_EACH_FRAME (tail, frame)
- {
- struct frame *f = XFRAME (frame);
+ FOR_EACH_FRAME (tail, frame)
+ {
+ struct frame *f = XFRAME (frame);
- FRAME_SAMPLE_VISIBILITY (f);
- if (FRAME_VISIBLE_P (f))
- ++number_of_visible_frames;
- clear_desired_matrices (f);
- }
- }
+ FRAME_SAMPLE_VISIBILITY (f);
+ if (FRAME_VISIBLE_P (f))
+ ++number_of_visible_frames;
+ clear_desired_matrices (f);
+ }
/* Notice any pending interrupt request to change frame size. */
do_pending_window_change (1);
}
/* Clear frames marked as garbaged. */
- if (frame_garbaged)
- clear_garbaged_frames ();
+ clear_garbaged_frames ();
/* Build menubar and tool-bar items. */
if (NILP (Vmemory_full))
if ((SAVE_MODIFF < MODIFF) != w->last_had_star)
{
w->update_mode_line = 1;
- if (buffer_shared > 1)
+ if (buffer_shared_and_changed ())
update_mode_lines++;
}
count1 = SPECPDL_INDEX ();
specbind (Qinhibit_point_motion_hooks, Qt);
- /* If %c is in the mode line, update it if needed. */
- if (!NILP (w->column_number_displayed)
- /* This alternative quickly identifies a common case
- where no change is needed. */
- && !(PT == w->last_point
- && w->last_modified >= MODIFF
- && w->last_overlay_modified >= OVERLAY_MODIFF)
- && (XFASTINT (w->column_number_displayed) != current_column ()))
+ if (mode_line_update_needed (w))
w->update_mode_line = 1;
unbind_to (count1, Qnil);
FRAME_SCROLL_BOTTOM_VPOS (XFRAME (w->frame)) = -1;
- /* The variable buffer_shared is set in redisplay_window and
- indicates that we redisplay a buffer in different windows. See
- there. */
- consider_all_windows_p = (update_mode_lines || buffer_shared > 1
+ consider_all_windows_p = (update_mode_lines
+ || buffer_shared_and_changed ()
|| cursor_type_changed);
/* If specs for an arrow have changed, do thorough redisplay
/* If window configuration was changed, frames may have been
marked garbaged. Clear them or we will experience
surprises wrt scrolling. */
- if (frame_garbaged)
- clear_garbaged_frames ();
+ clear_garbaged_frames ();
}
}
else if (EQ (selected_window, minibuf_window)
- && (current_buffer->clip_changed
- || w->last_modified < MODIFF
- || w->last_overlay_modified < OVERLAY_MODIFF)
+ && (current_buffer->clip_changed || window_outdated (w))
&& resize_mini_window (w, 0))
{
/* Resized active mini-window to fit the size of what it is
showing if its contents might have changed. */
must_finish = 1;
-/* FIXME: this causes all frames to be updated, which seems unnecessary
- since only the current frame needs to be considered. This function needs
- to be rewritten with two variables, consider_all_windows and
- consider_all_frames. */
+ /* FIXME: this causes all frames to be updated, which seems unnecessary
+ since only the current frame needs to be considered. This function
+ needs to be rewritten with two variables, consider_all_windows and
+ consider_all_frames. */
consider_all_windows_p = 1;
++windows_or_buffers_changed;
++update_mode_lines;
/* If window configuration was changed, frames may have been
marked garbaged. Clear them or we will experience
surprises wrt scrolling. */
- if (frame_garbaged)
- clear_garbaged_frames ();
+ clear_garbaged_frames ();
}
|| FETCH_BYTE (BYTEPOS (tlbufpos)) == '\n'))
/* Former continuation line has disappeared by becoming empty. */
goto cancel;
- else if (w->last_modified < MODIFF
- || w->last_overlay_modified < OVERLAY_MODIFF
- || MINI_WINDOW_P (w))
+ else if (window_outdated (w) || MINI_WINDOW_P (w))
{
/* We have to handle the case of continuation around a
wide-column character (see the comment in indent.c around
if ((it.glyph_row - 1)->displays_text_p)
{
if (XFASTINT (w->window_end_vpos) < this_line_vpos)
- XSETINT (w->window_end_vpos, this_line_vpos);
+ wset_window_end_vpos (w, make_number (this_line_vpos));
}
else if (XFASTINT (w->window_end_vpos) == this_line_vpos
&& this_line_vpos > 0)
- XSETINT (w->window_end_vpos, this_line_vpos - 1);
- w->window_end_valid = Qnil;
+ wset_window_end_vpos (w, make_number (this_line_vpos - 1));
+ wset_window_end_valid (w, Qnil);
/* Update hint: No need to try to scroll in update_window. */
w->desired_matrix->no_scrolling_p = 1;
}
CHARPOS (this_line_start_pos) = 0;
- consider_all_windows_p |= buffer_shared > 1;
+ consider_all_windows_p |= buffer_shared_and_changed ();
++clear_face_cache_count;
#ifdef HAVE_WINDOW_SYSTEM
++clear_image_cache_count;
if (consider_all_windows_p)
{
- Lisp_Object tail, frame;
-
FOR_EACH_FRAME (tail, frame)
XFRAME (frame)->updated_p = 0;
- /* Recompute # windows showing selected buffer. This will be
- incremented each time such a window is displayed. */
- buffer_shared = 0;
-
FOR_EACH_FRAME (tail, frame)
{
struct frame *f = XFRAME (frame);
if (FRAME_WINDOW_P (f) || FRAME_TERMCAP_P (f) || f == sf)
{
- if (! EQ (frame, selected_frame))
- /* Select the frame, for the sake of frame-local
- variables. */
- select_frame_for_redisplay (frame);
-
/* Mark all the scroll bars to be removed; we'll redeem
the ones we want when we redisplay their windows. */
if (FRAME_TERMINAL (f)->condemn_scroll_bars_hook)
if (!f->already_hscrolled_p)
{
f->already_hscrolled_p = 1;
- if (hscroll_windows (FVAR (f, root_window)))
+ if (hscroll_windows (f->root_window))
goto retry;
}
STOP_POLLING;
/* Update the display. */
- set_window_update_flags (XWINDOW (FVAR (f, root_window)), 1);
+ set_window_update_flags (XWINDOW (f->root_window), 1);
pending |= update_frame (f, 0, 0);
f->updated_p = 1;
}
}
}
- if (!EQ (old_frame, selected_frame)
- && FRAME_LIVE_P (XFRAME (old_frame)))
- /* We played a bit fast-and-loose above and allowed selected_frame
- and selected_window to be temporarily out-of-sync but let's make
- sure this stays contained. */
- select_frame_for_redisplay (old_frame);
- eassert (EQ (FVAR (XFRAME (selected_frame), selected_window),
- selected_window));
+ eassert (EQ (XFRAME (selected_frame)->selected_window, selected_window));
if (!pending)
{
struct frame *f = XFRAME (frame);
if (f->updated_p)
{
- mark_window_display_accurate (FVAR (f, root_window), 1);
+ mark_window_display_accurate (f->root_window, 1);
if (FRAME_TERMINAL (f)->frame_up_to_date_hook)
FRAME_TERMINAL (f)->frame_up_to_date_hook (f);
}
frames here explicitly. */
if (!pending)
{
- Lisp_Object tail, frame;
int new_count = 0;
FOR_EACH_FRAME (tail, frame)
#endif /* HAVE_WINDOW_SYSTEM */
end_of_redisplay:
+ backtrace_list = backtrace.next;
unbind_to (count, Qnil);
RESUME_POLLING;
}
}
-/* Function registered with record_unwind_protect in
- redisplay_internal. Reset redisplaying_p to the value it had
- before redisplay_internal was called, and clear
- prevent_freeing_realized_faces_p. It also selects the previously
- selected frame, unless it has been deleted (by an X connection
- failure during redisplay, for example). */
+/* Function registered with record_unwind_protect in redisplay_internal.
+ Clear redisplaying_p. Also select the previously selected frame. */
static Lisp_Object
-unwind_redisplay (Lisp_Object val)
+unwind_redisplay (Lisp_Object old_frame)
{
- Lisp_Object old_redisplaying_p, old_frame;
-
- old_redisplaying_p = XCAR (val);
- redisplaying_p = XFASTINT (old_redisplaying_p);
- old_frame = XCDR (val);
- if (! EQ (old_frame, selected_frame)
- && FRAME_LIVE_P (XFRAME (old_frame)))
- select_frame_for_redisplay (old_frame);
+ redisplaying_p = 0;
return Qnil;
}
{
struct buffer *b = XBUFFER (w->buffer);
- w->last_modified = accurate_p ? BUF_MODIFF(b) : 0;
- w->last_overlay_modified = accurate_p ? BUF_OVERLAY_MODIFF(b) : 0;
+ w->last_modified = accurate_p ? BUF_MODIFF (b) : 0;
+ w->last_overlay_modified = accurate_p ? BUF_OVERLAY_MODIFF (b) : 0;
w->last_had_star
= BUF_MODIFF (b) > BUF_SAVE_MODIFF (b);
if (w == XWINDOW (selected_window))
w->last_point = BUF_PT (b);
else
- w->last_point = XMARKER (w->pointm)->charpos;
+ w->last_point = marker_position (w->pointm);
}
}
if (accurate_p)
{
- w->window_end_valid = w->buffer;
+ wset_window_end_valid (w, w->buffer);
w->update_mode_line = 0;
}
}
GLYPH_BEFORE and GLYPH_AFTER. */
if (!((row->reversed_p ? glyph > glyphs_end : glyph < glyphs_end)
&& BUFFERP (glyph->object) && glyph->charpos == pt_old)
- && bpos_covered < pt_old)
+ && !(bpos_max < pt_old && pt_old <= bpos_covered))
{
/* An empty line has a single glyph whose OBJECT is zero and
whose CHARPOS is the position of a newline on that line.
CHARPOS is zero or negative. */
int empty_line_p =
(row->reversed_p ? glyph > glyphs_end : glyph < glyphs_end)
- && INTEGERP (glyph->object) && glyph->charpos > 0;
+ && INTEGERP (glyph->object) && glyph->charpos > 0
+ /* On a TTY, continued and truncated rows also have a glyph at
+ their end whose OBJECT is zero and whose CHARPOS is
+ positive (the continuation and truncation glyphs), but such
+ rows are obviously not "empty". */
+ && !(row->continued_p || row->truncated_on_right_p);
if (row->ends_in_ellipsis_p && pos_after == last_pos)
{
for (g = row->glyphs[TEXT_AREA], x = row->x; g < glyph; g++)
{
if (g >= row->glyphs[TEXT_AREA] + row->used[TEXT_AREA])
- abort ();
+ emacs_abort ();
x += g->pixel_width;
}
}
We assume that the window's buffer is really current. */
-static inline struct text_pos
+static struct text_pos
run_window_scroll_functions (Lisp_Object window, struct text_pos startp)
{
struct window *w = XWINDOW (window);
SET_MARKER_FROM_TEXT_POS (w->start, startp);
if (current_buffer != XBUFFER (w->buffer))
- abort ();
+ emacs_abort ();
if (!NILP (Vwindow_scroll_functions))
{
make_number (CHARPOS (startp)));
SET_TEXT_POS_FROM_MARKER (startp, w->start);
/* In case the hook functions switch buffers. */
- if (current_buffer != XBUFFER (w->buffer))
- set_buffer_internal_1 (XBUFFER (w->buffer));
+ set_buffer_internal (XBUFFER (w->buffer));
}
return startp;
if (NUMBERP (aggressive))
{
double float_amount = XFLOATINT (aggressive) * height;
- amount_to_scroll = float_amount;
- if (amount_to_scroll == 0 && float_amount > 0)
- amount_to_scroll = 1;
+ int aggressive_scroll = float_amount;
+ if (aggressive_scroll == 0 && float_amount > 0)
+ aggressive_scroll = 1;
/* Don't let point enter the scroll margin near top of
- the window. */
- if (amount_to_scroll > height - 2*this_scroll_margin + dy)
- amount_to_scroll = height - 2*this_scroll_margin + dy;
+ the window. This could happen if the value of
+ scroll_up_aggressively is too large and there are
+ non-zero margins, because scroll_up_aggressively
+ means put point that fraction of window height
+ _from_the_bottom_margin_. */
+ if (aggressive_scroll + 2*this_scroll_margin > height)
+ aggressive_scroll = height - 2*this_scroll_margin;
+ amount_to_scroll = dy + aggressive_scroll;
}
}
/* Compute the vertical distance from PT to the scroll
margin position. Move as far as scroll_max allows, or
one screenful, or 10 screen lines, whichever is largest.
- Give up if distance is greater than scroll_max. */
+ Give up if distance is greater than scroll_max or if we
+ didn't reach the scroll margin position. */
SET_TEXT_POS (pos, PT, PT_BYTE);
start_display (&it, w, pos);
y0 = it.current_y;
y_to_move, -1,
MOVE_TO_POS | MOVE_TO_X | MOVE_TO_Y);
dy = it.current_y - y0;
- if (dy > scroll_max)
+ if (dy > scroll_max
+ || IT_CHARPOS (it) < CHARPOS (scroll_margin_pos))
return SCROLLING_FAILED;
/* Compute new window start. */
if (NUMBERP (aggressive))
{
double float_amount = XFLOATINT (aggressive) * height;
- amount_to_scroll = float_amount;
- if (amount_to_scroll == 0 && float_amount > 0)
- amount_to_scroll = 1;
- amount_to_scroll -=
- this_scroll_margin - dy - FRAME_LINE_HEIGHT (f);
+ int aggressive_scroll = float_amount;
+ if (aggressive_scroll == 0 && float_amount > 0)
+ aggressive_scroll = 1;
/* Don't let point enter the scroll margin near
- bottom of the window. */
- if (amount_to_scroll > height - 2*this_scroll_margin + dy)
- amount_to_scroll = height - 2*this_scroll_margin + dy;
+ bottom of the window, if the value of
+ scroll_down_aggressively happens to be too
+ large. */
+ if (aggressive_scroll + 2*this_scroll_margin > height)
+ aggressive_scroll = height - 2*this_scroll_margin;
+ amount_to_scroll = dy + aggressive_scroll;
}
}
if (!just_this_one_p
|| current_buffer->clip_changed
|| BEG_UNCHANGED < CHARPOS (startp))
- w->base_line_number = Qnil;
+ wset_base_line_number (w, Qnil);
/* If cursor ends up on a partially visible line,
treat that as being off the bottom of the screen. */
/* Can't use this case if highlighting a region. When a
region exists, cursor movement has to do more than just
set the cursor. */
- && !(!NILP (Vtransient_mark_mode)
- && !NILP (BVAR (current_buffer, mark_active)))
+ && markpos_of_region () < 0
&& NILP (w->region_showing)
&& NILP (Vshow_trailing_whitespace)
/* This code is not used for mini-buffer for the sake of the case
selected_window is redisplayed.
We can return without actually redisplaying the window if
- fonts_changed_p is nonzero. In that case, redisplay_internal will
+ fonts_changed_p. In that case, redisplay_internal will
retry. */
static void
= (!NILP (w->window_end_valid)
&& !current_buffer->clip_changed
&& !current_buffer->prevent_redisplay_optimizations_p
- && w->last_modified >= MODIFF
- && w->last_overlay_modified >= OVERLAY_MODIFF);
+ && !window_outdated (w));
/* Run the window-bottom-change-functions
if it is possible that the text on the screen has changed
buffer_unchanged_p
= (!NILP (w->window_end_valid)
&& !current_buffer->clip_changed
- && w->last_modified >= MODIFF
- && w->last_overlay_modified >= OVERLAY_MODIFF);
+ && !window_outdated (w));
/* When windows_or_buffers_changed is non-zero, we can't rely on
the window end being valid, so set it to nil there. */
if (XMARKER (w->start)->buffer == current_buffer)
compute_window_start_on_continuation_line (w);
- w->window_end_valid = Qnil;
+ wset_window_end_valid (w, Qnil);
}
/* Some sanity checks. */
CHECK_WINDOW_END (w);
if (Z == Z_BYTE && CHARPOS (opoint) != BYTEPOS (opoint))
- abort ();
+ emacs_abort ();
if (BYTEPOS (opoint) < CHARPOS (opoint))
- abort ();
-
- /* If %c is in mode line, update it if needed. */
- if (!NILP (w->column_number_displayed)
- /* This alternative quickly identifies a common case
- where no change is needed. */
- && !(PT == w->last_point
- && w->last_modified >= MODIFF
- && w->last_overlay_modified >= OVERLAY_MODIFF)
- && (XFASTINT (w->column_number_displayed) != current_column ()))
- update_mode_line = 1;
+ emacs_abort ();
- /* Count number of windows showing the selected buffer. An indirect
- buffer counts as its base buffer. */
- if (!just_this_one_p)
- {
- struct buffer *current_base, *window_base;
- current_base = current_buffer;
- window_base = XBUFFER (XWINDOW (selected_window)->buffer);
- if (current_base->base_buffer)
- current_base = current_base->base_buffer;
- if (window_base->base_buffer)
- window_base = window_base->base_buffer;
- if (current_base == window_base)
- buffer_shared++;
- }
+ if (mode_line_update_needed (w))
+ update_mode_line = 1;
/* Point refers normally to the selected window. For any other
window, set up appropriate value. */
if (!EQ (window, selected_window))
{
- ptrdiff_t new_pt = XMARKER (w->pointm)->charpos;
+ ptrdiff_t new_pt = marker_position (w->pointm);
ptrdiff_t new_pt_byte = marker_byte_position (w->pointm);
if (new_pt < BEGV)
{
{
struct Lisp_Char_Table *disptab = buffer_display_table ();
- if (! disptab_matches_widthtab (disptab,
- XVECTOR (BVAR (current_buffer, width_table))))
+ if (! disptab_matches_widthtab
+ (disptab, XVECTOR (BVAR (current_buffer, width_table))))
{
invalidate_region_cache (current_buffer,
current_buffer->width_run_cache,
w->force_start = 0;
w->vscroll = 0;
- w->window_end_valid = Qnil;
+ wset_window_end_valid (w, Qnil);
/* Forget any recorded base line for line number display. */
if (!buffer_unchanged_p)
- w->base_line_number = Qnil;
+ wset_base_line_number (w, Qnil);
/* Redisplay the mode line. Select the buffer properly for that.
Also, run the hook window-scroll-functions
Move it back to a fully-visible line. */
new_vpos = window_box_height (w);
}
+ else if (w->cursor.vpos >=0)
+ {
+ /* Some people insist on not letting point enter the scroll
+ margin, even though this part handles windows that didn't
+ scroll at all. */
+ int margin = min (scroll_margin, WINDOW_TOTAL_LINES (w) / 4);
+ int pixel_margin = margin * FRAME_LINE_HEIGHT (f);
+ bool header_line = WINDOW_WANTS_HEADER_LINE_P (w);
+
+ /* Note: We add an extra FRAME_LINE_HEIGHT, because the loop
+ below, which finds the row to move point to, advances by
+ the Y coordinate of the _next_ row, see the definition of
+ MATRIX_ROW_BOTTOM_Y. */
+ if (w->cursor.vpos < margin + header_line)
+ new_vpos
+ = pixel_margin + (header_line
+ ? CURRENT_HEADER_LINE_HEIGHT (w)
+ : 0) + FRAME_LINE_HEIGHT (f);
+ else
+ {
+ int window_height = window_box_height (w);
+
+ if (header_line)
+ window_height += CURRENT_HEADER_LINE_HEIGHT (w);
+ if (w->cursor.y >= window_height - pixel_margin)
+ new_vpos = window_height - pixel_margin;
+ }
+ }
/* If we need to move point for either of the above reasons,
now actually do it. */
/* If we are highlighting the region, then we just changed
the region, so redisplay to show it. */
- if (!NILP (Vtransient_mark_mode)
- && !NILP (BVAR (current_buffer, mark_active)))
+ if (0 <= markpos_of_region ())
{
clear_glyph_matrix (w->desired_matrix);
if (!try_window (window, startp, 0))
goto try_to_scroll;
default:
- abort ();
+ emacs_abort ();
}
}
/* If current starting point was originally the beginning of a line
&& (CHARPOS (startp) < ZV
/* Avoid starting at end of buffer. */
|| CHARPOS (startp) == BEGV
- || (w->last_modified >= MODIFF
- && w->last_overlay_modified >= OVERLAY_MODIFF)))
+ || !window_outdated (w)))
{
int d1, d2, d3, d4, d5, d6;
|| current_buffer->clip_changed
|| BEG_UNCHANGED < CHARPOS (startp))
/* Forget any recorded base line for line number display. */
- w->base_line_number = Qnil;
+ wset_base_line_number (w, Qnil);
if (!cursor_row_fully_visible_p (w, 1, 0))
{
break;
default:
- abort ();
+ emacs_abort ();
}
}
/* Forget any previously recorded base line for line number display. */
if (!buffer_unchanged_p)
- w->base_line_number = Qnil;
+ wset_base_line_number (w, Qnil);
/* Determine the window start relative to point. */
init_iterator (&it, w, PT, PT_BYTE, NULL, DEFAULT_FACE_ID);
if (!line_number_displayed
&& !BUFFERP (w->base_line_pos))
{
- w->base_line_pos = Qnil;
- w->base_line_number = Qnil;
+ wset_base_line_pos (w, Qnil);
+ wset_base_line_number (w, Qnil);
}
finish_menu_bars:
if (FRAME_EXTERNAL_TOOL_BAR (f))
redisplay_tool_bar (f);
#else
- if (WINDOWP (FVAR (f, tool_bar_window))
+ if (WINDOWP (f->tool_bar_window)
&& (FRAME_TOOL_BAR_LINES (f) > 0
|| !NILP (Vauto_resize_tool_bars))
&& redisplay_tool_bar (f))
|| w->pseudo_window_p)))
{
update_begin (f);
- BLOCK_INPUT;
+ block_input ();
if (draw_window_fringes (w, 1))
x_draw_vertical_border (w);
- UNBLOCK_INPUT;
+ unblock_input ();
update_end (f);
}
#endif /* HAVE_WINDOW_SYSTEM */
- /* We go to this label, with fonts_changed_p nonzero,
+ /* We go to this label, with fonts_changed_p set,
if it is necessary to try again using larger glyph matrices.
We have to redeem the scroll bar even in this case,
because the loop in redisplay_internal expects that. */
eassert (MATRIX_ROW_DISPLAYS_TEXT_P (last_text_row));
w->window_end_bytepos
= Z_BYTE - MATRIX_ROW_END_BYTEPOS (last_text_row);
- w->window_end_pos
- = make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row));
- w->window_end_vpos
- = make_number (MATRIX_ROW_VPOS (last_text_row, w->desired_matrix));
- eassert (MATRIX_ROW (w->desired_matrix, XFASTINT (w->window_end_vpos))
- ->displays_text_p);
+ wset_window_end_pos
+ (w, make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row)));
+ wset_window_end_vpos
+ (w, make_number (MATRIX_ROW_VPOS (last_text_row, w->desired_matrix)));
+ eassert
+ (MATRIX_ROW (w->desired_matrix,
+ XFASTINT (w->window_end_vpos))->displays_text_p);
}
else
{
w->window_end_bytepos = Z_BYTE - ZV_BYTE;
- w->window_end_pos = make_number (Z - ZV);
- w->window_end_vpos = make_number (0);
+ wset_window_end_pos (w, make_number (Z - ZV));
+ wset_window_end_vpos (w, make_number (0));
}
/* But that is not valid info until redisplay finishes. */
- w->window_end_valid = Qnil;
+ wset_window_end_valid (w, Qnil);
return 1;
}
return 0;
/* Can't do this if region may have changed. */
- if ((!NILP (Vtransient_mark_mode)
- && !NILP (BVAR (current_buffer, mark_active)))
+ if (0 <= markpos_of_region ()
|| !NILP (w->region_showing)
|| !NILP (Vshow_trailing_whitespace))
return 0;
{
w->window_end_bytepos
= Z_BYTE - MATRIX_ROW_END_BYTEPOS (last_reused_text_row);
- w->window_end_pos
- = make_number (Z - MATRIX_ROW_END_CHARPOS (last_reused_text_row));
- w->window_end_vpos
- = make_number (MATRIX_ROW_VPOS (last_reused_text_row,
- w->current_matrix));
+ wset_window_end_pos
+ (w, make_number (Z
+ - MATRIX_ROW_END_CHARPOS (last_reused_text_row)));
+ wset_window_end_vpos
+ (w, make_number (MATRIX_ROW_VPOS (last_reused_text_row,
+ w->current_matrix)));
}
else if (last_text_row)
{
w->window_end_bytepos
= Z_BYTE - MATRIX_ROW_END_BYTEPOS (last_text_row);
- w->window_end_pos
- = make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row));
- w->window_end_vpos
- = make_number (MATRIX_ROW_VPOS (last_text_row, w->desired_matrix));
+ wset_window_end_pos
+ (w, make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row)));
+ wset_window_end_vpos
+ (w, make_number (MATRIX_ROW_VPOS (last_text_row,
+ w->desired_matrix)));
}
else
{
/* This window must be completely empty. */
w->window_end_bytepos = Z_BYTE - ZV_BYTE;
- w->window_end_pos = make_number (Z - ZV);
- w->window_end_vpos = make_number (0);
+ wset_window_end_pos (w, make_number (Z - ZV));
+ wset_window_end_vpos (w, make_number (0));
}
- w->window_end_valid = Qnil;
+ wset_window_end_valid (w, Qnil);
/* Update hint: don't try scrolling again in update_window. */
w->desired_matrix->no_scrolling_p = 1;
}
if (row < bottom_row)
{
- struct glyph *glyph = row->glyphs[TEXT_AREA] + w->cursor.hpos;
- struct glyph *end = row->glyphs[TEXT_AREA] + row->used[TEXT_AREA];
-
- /* Can't use this optimization with bidi-reordered glyph
- rows, unless cursor is already at point. */
+ /* Can't simply scan the row for point with
+ bidi-reordered glyph rows. Let set_cursor_from_row
+ figure out where to put the cursor, and if it fails,
+ give up. */
if (!NILP (BVAR (XBUFFER (w->buffer), bidi_display_reordering)))
{
- if (!(w->cursor.hpos >= 0
- && w->cursor.hpos < row->used[TEXT_AREA]
- && BUFFERP (glyph->object)
- && glyph->charpos == PT))
- return 0;
+ if (!set_cursor_from_row (w, row, w->current_matrix,
+ 0, 0, 0, 0))
+ {
+ clear_glyph_matrix (w->desired_matrix);
+ return 0;
+ }
}
else
- for (; glyph < end
- && (!BUFFERP (glyph->object)
- || glyph->charpos < PT);
- glyph++)
- {
- w->cursor.hpos++;
- w->cursor.x += glyph->pixel_width;
- }
+ {
+ struct glyph *glyph = row->glyphs[TEXT_AREA] + w->cursor.hpos;
+ struct glyph *end = row->glyphs[TEXT_AREA] + row->used[TEXT_AREA];
+
+ for (; glyph < end
+ && (!BUFFERP (glyph->object)
+ || glyph->charpos < PT);
+ glyph++)
+ {
+ w->cursor.hpos++;
+ w->cursor.x += glyph->pixel_width;
+ }
+ }
}
}
{
w->window_end_bytepos
= Z_BYTE - MATRIX_ROW_END_BYTEPOS (last_text_row);
- w->window_end_pos
- = make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row));
- w->window_end_vpos
- = make_number (MATRIX_ROW_VPOS (last_text_row, w->desired_matrix));
+ wset_window_end_pos
+ (w, make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row)));
+ wset_window_end_vpos
+ (w, make_number (MATRIX_ROW_VPOS (last_text_row,
+ w->desired_matrix)));
}
else
{
- w->window_end_vpos
- = make_number (XFASTINT (w->window_end_vpos) - nrows_scrolled);
+ wset_window_end_vpos
+ (w, make_number (XFASTINT (w->window_end_vpos) - nrows_scrolled));
}
- w->window_end_valid = Qnil;
+ wset_window_end_valid (w, Qnil);
w->desired_matrix->no_scrolling_p = 1;
#ifdef GLYPH_DEBUG
/* Can't use this if highlighting a region because a cursor movement
will do more than just set the cursor. */
- if (!NILP (Vtransient_mark_mode)
- && !NILP (BVAR (current_buffer, mark_active)))
+ if (0 <= markpos_of_region ())
GIVE_UP (9);
/* Likewise if highlighting trailing whitespace. */
if (row)
set_cursor_from_row (w, row, current_matrix, 0, 0, 0, 0);
else
- abort ();
+ emacs_abort ();
return 1;
}
}
{
/* We have to compute the window end anew since text
could have been added/removed after it. */
- w->window_end_pos
- = make_number (Z - MATRIX_ROW_END_CHARPOS (row));
+ wset_window_end_pos
+ (w, make_number (Z - MATRIX_ROW_END_CHARPOS (row)));
w->window_end_bytepos
= Z_BYTE - MATRIX_ROW_END_BYTEPOS (row);
if (row)
set_cursor_from_row (w, row, current_matrix, 0, 0, 0, 0);
else
- abort ();
+ emacs_abort ();
return 2;
}
}
{
rotate_matrix (current_matrix, first_unchanged_at_end_vpos + dvpos,
bottom_vpos, dvpos);
- enable_glyph_matrix_rows (current_matrix, bottom_vpos + dvpos,
- bottom_vpos, 0);
+ clear_glyph_matrix_rows (current_matrix, bottom_vpos + dvpos,
+ bottom_vpos);
}
else if (dvpos > 0)
{
rotate_matrix (current_matrix, first_unchanged_at_end_vpos,
bottom_vpos, dvpos);
- enable_glyph_matrix_rows (current_matrix, first_unchanged_at_end_vpos,
- first_unchanged_at_end_vpos + dvpos, 0);
+ clear_glyph_matrix_rows (current_matrix, first_unchanged_at_end_vpos,
+ first_unchanged_at_end_vpos + dvpos);
}
/* For frame-based redisplay, make sure that current frame and window
first_unchanged_at_end_row);
eassert (row && MATRIX_ROW_DISPLAYS_TEXT_P (row));
- w->window_end_pos = make_number (Z - MATRIX_ROW_END_CHARPOS (row));
+ wset_window_end_pos (w, make_number (Z - MATRIX_ROW_END_CHARPOS (row)));
w->window_end_bytepos = Z_BYTE - MATRIX_ROW_END_BYTEPOS (row);
- w->window_end_vpos
- = make_number (MATRIX_ROW_VPOS (row, w->current_matrix));
+ wset_window_end_vpos
+ (w, make_number (MATRIX_ROW_VPOS (row, w->current_matrix)));
eassert (w->window_end_bytepos >= 0);
IF_DEBUG (debug_method_add (w, "A"));
}
else if (last_text_row_at_end)
{
- w->window_end_pos
- = make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row_at_end));
+ wset_window_end_pos
+ (w, make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row_at_end)));
w->window_end_bytepos
= Z_BYTE - MATRIX_ROW_END_BYTEPOS (last_text_row_at_end);
- w->window_end_vpos
- = make_number (MATRIX_ROW_VPOS (last_text_row_at_end, desired_matrix));
+ wset_window_end_vpos
+ (w, make_number (MATRIX_ROW_VPOS (last_text_row_at_end,
+ desired_matrix)));
eassert (w->window_end_bytepos >= 0);
IF_DEBUG (debug_method_add (w, "B"));
}
/* We have displayed either to the end of the window or at the
end of the window, i.e. the last row with text is to be found
in the desired matrix. */
- w->window_end_pos
- = make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row));
+ wset_window_end_pos
+ (w, make_number (Z - MATRIX_ROW_END_CHARPOS (last_text_row)));
w->window_end_bytepos
= Z_BYTE - MATRIX_ROW_END_BYTEPOS (last_text_row);
- w->window_end_vpos
- = make_number (MATRIX_ROW_VPOS (last_text_row, desired_matrix));
+ wset_window_end_vpos
+ (w, make_number (MATRIX_ROW_VPOS (last_text_row, desired_matrix)));
eassert (w->window_end_bytepos >= 0);
}
else if (first_unchanged_at_end_row == NULL
}
eassert (row != NULL);
- w->window_end_vpos = make_number (vpos + 1);
- w->window_end_pos = make_number (Z - MATRIX_ROW_END_CHARPOS (row));
+ wset_window_end_vpos (w, make_number (vpos + 1));
+ wset_window_end_pos (w, make_number (Z - MATRIX_ROW_END_CHARPOS (row)));
w->window_end_bytepos = Z_BYTE - MATRIX_ROW_END_BYTEPOS (row);
eassert (w->window_end_bytepos >= 0);
IF_DEBUG (debug_method_add (w, "C"));
}
else
- abort ();
+ emacs_abort ();
IF_DEBUG (debug_end_pos = XFASTINT (w->window_end_pos);
debug_end_vpos = XFASTINT (w->window_end_vpos));
/* Record that display has not been completed. */
- w->window_end_valid = Qnil;
+ wset_window_end_valid (w, Qnil);
w->desired_matrix->no_scrolling_p = 1;
return 3;
(Lisp_Object row, Lisp_Object glyphs)
{
struct frame *sf = SELECTED_FRAME ();
- struct glyph_matrix *m = XWINDOW (FVAR (sf, tool_bar_window))->current_matrix;
+ struct glyph_matrix *m = XWINDOW (sf->tool_bar_window)->current_matrix;
EMACS_INT vpos;
CHECK_NUMBER (row);
int saved_char_to_display = it->char_to_display;
int saved_x = it->current_x;
int saved_face_id = it->face_id;
+ int saved_box_end = it->end_of_box_run_p;
struct text_pos saved_pos;
Lisp_Object saved_object;
struct face *face;
it->face_id = it->saved_face_id;
face = FACE_FROM_ID (it->f, it->face_id);
it->face_id = FACE_FOR_CHAR (it->f, face, 0, -1, Qnil);
+ /* In R2L rows, we will prepend a stretch glyph that will
+ have the end_of_box_run_p flag set for it, so there's no
+ need for the appended newline glyph to have that flag
+ set. */
+ if (it->glyph_row->reversed_p
+ /* But if the appended newline glyph goes all the way to
+ the end of the row, there will be no stretch glyph,
+ so leave the box flag set. */
+ && saved_x + FRAME_COLUMN_WIDTH (it->f) < it->last_visible_x)
+ it->end_of_box_run_p = 0;
PRODUCE_GLYPHS (it);
it->len = saved_len;
it->c = saved_c;
it->char_to_display = saved_char_to_display;
+ it->end_of_box_run_p = saved_box_end;
return 1;
}
}
struct glyph *g;
int row_width, stretch_ascent, stretch_width;
struct text_pos saved_pos;
- int saved_face_id, saved_avoid_cursor;
+ int saved_face_id, saved_avoid_cursor, saved_box_start;
for (row_width = 0, g = row_start; g < row_end; g++)
row_width += g->pixel_width;
saved_avoid_cursor = it->avoid_cursor_p;
it->avoid_cursor_p = 1;
saved_face_id = it->face_id;
+ saved_box_start = it->start_of_box_run_p;
/* The last row's stretch glyph should get the default
face, to avoid painting the rest of the window with
the region face, if the region ends at ZV. */
it->face_id = default_face->id;
else
it->face_id = face->id;
+ it->start_of_box_run_p = 0;
append_stretch_glyph (it, make_number (0), stretch_width,
it->ascent + it->descent, stretch_ascent);
it->position = saved_pos;
it->avoid_cursor_p = saved_avoid_cursor;
it->face_id = saved_face_id;
+ it->start_of_box_run_p = saved_box_start;
}
}
#endif /* HAVE_WINDOW_SYSTEM */
/* A line that is entirely from a string/image/stretch... */
row->maxpos = row->minpos;
else
- abort ();
+ emacs_abort ();
}
else
row->maxpos = it->current.pos;
}
/* Is IT->w showing the region? */
- it->w->region_showing = it->region_beg_charpos > 0 ? Qt : Qnil;
+ wset_region_showing (it->w, it->region_beg_charpos > 0 ? Qt : Qnil);
/* Clear the result glyph row and enable it. */
prepare_desired_row (row);
return Qright_to_left;
break;
default:
- abort ();
+ emacs_abort ();
}
}
}
/* Menu bar lines are displayed in the desired matrix of the
dummy window menu_bar_window. */
struct window *menu_w;
- eassert (WINDOWP (FVAR (f, menu_bar_window)));
- menu_w = XWINDOW (FVAR (f, menu_bar_window));
+ eassert (WINDOWP (f->menu_bar_window));
+ menu_w = XWINDOW (f->menu_bar_window);
init_iterator (&it, menu_w, -1, -1, menu_w->desired_matrix->rows,
MENU_FACE_ID);
it.first_visible_x = 0;
this. */
it.paragraph_embedding = L2R;
- if (! mode_line_inverse_video)
- /* Force the menu-bar to be displayed in the default face. */
- it.base_face_id = it.face_id = DEFAULT_FACE_ID;
-
/* Clear all rows of the menu bar. */
for (i = 0; i < FRAME_MENU_BAR_LINES (f); ++i)
{
static int
display_mode_lines (struct window *w)
{
- Lisp_Object old_selected_window, old_selected_frame;
+ Lisp_Object old_selected_window = selected_window;
+ Lisp_Object old_selected_frame = selected_frame;
+ Lisp_Object new_frame = w->frame;
+ Lisp_Object old_frame_selected_window = XFRAME (new_frame)->selected_window;
int n = 0;
- old_selected_frame = selected_frame;
- selected_frame = w->frame;
- old_selected_window = selected_window;
+ selected_frame = new_frame;
+ /* FIXME: If we were to allow the mode-line's computation changing the buffer
+ or window's point, then we'd need select_window_1 here as well. */
XSETWINDOW (selected_window, w);
+ XFRAME (new_frame)->selected_window = selected_window;
/* These will be set while the mode line specs are processed. */
line_number_displayed = 0;
- w->column_number_displayed = Qnil;
+ wset_column_number_displayed (w, Qnil);
if (WINDOW_WANTS_MODELINE_P (w))
{
++n;
}
+ XFRAME (new_frame)->selected_window = old_frame_selected_window;
selected_frame = old_selected_frame;
selected_window = old_selected_window;
return n;
it.glyph_row->mode_line_p = 1;
- if (! mode_line_inverse_video)
- /* Force the mode-line to be displayed in the default face. */
- it.base_face_id = it.face_id = DEFAULT_FACE_ID;
-
/* FIXME: This should be controlled by a user option. But
supporting such an option is not trivial, since the mode line is
made up of many separate strings. */
Lisp_Object str;
int string_start = 0;
- if (NILP (window))
- window = selected_window;
- CHECK_WINDOW (window);
- w = XWINDOW (window);
+ w = decode_any_window (window);
+ XSETWINDOW (window, w);
if (NILP (buffer))
buffer = w->buffer;
: EQ (face, Qtool_bar) ? TOOL_BAR_FACE_ID
: DEFAULT_FACE_ID;
- if (XBUFFER (buffer) != current_buffer)
- old_buffer = current_buffer;
+ old_buffer = current_buffer;
/* Save things including mode_line_proptrans_alist,
and set that to nil so that we don't alter the outer value. */
record_unwind_protect (unwind_format_mode_line,
format_mode_line_unwind_data
- (XFRAME (WINDOW_FRAME (XWINDOW (window))),
+ (XFRAME (WINDOW_FRAME (w)),
old_buffer, selected_window, 1));
mode_line_proptrans_alist = Qnil;
Fselect_window (window, Qt);
- if (old_buffer)
- set_buffer_internal_1 (XBUFFER (buffer));
+ set_buffer_internal_1 (XBUFFER (buffer));
init_iterator (&it, w, -1, -1, NULL, face_id);
Lisp_Object obj;
struct frame *f = XFRAME (WINDOW_FRAME (w));
char *decode_mode_spec_buf = f->decode_mode_spec_buffer;
+ /* We are going to use f->decode_mode_spec_buffer as the buffer to
+ produce strings from numerical values, so limit preposterously
+ large values of FIELD_WIDTH to avoid overrunning the buffer's
+ end. The size of the buffer is enough for FRAME_MESSAGE_BUF_SIZE
+ bytes plus the terminating null. */
+ int width = min (field_width, FRAME_MESSAGE_BUF_SIZE (f));
struct buffer *b = current_buffer;
obj = Qnil;
register int i;
/* Let lots_of_dashes be a string of infinite length. */
- if (mode_line_target == MODE_LINE_NOPROP ||
- mode_line_target == MODE_LINE_STRING)
+ if (mode_line_target == MODE_LINE_NOPROP
+ || mode_line_target == MODE_LINE_STRING)
return "--";
if (field_width <= 0
|| field_width > sizeof (lots_of_dashes))
else
{
ptrdiff_t col = current_column ();
- w->column_number_displayed = make_number (col);
- pint2str (decode_mode_spec_buf, field_width, col);
+ wset_column_number_displayed (w, make_number (col));
+ pint2str (decode_mode_spec_buf, width, col);
return decode_mode_spec_buf;
}
case 'F':
/* %F displays the frame name. */
- if (!NILP (FVAR (f, title)))
- return SSDATA (FVAR (f, title));
+ if (!NILP (f->title))
+ return SSDATA (f->title);
if (f->explicit_name || ! FRAME_WINDOW_P (f))
- return SSDATA (FVAR (f, name));
+ return SSDATA (f->name);
return "Emacs";
case 'f':
case 'i':
{
ptrdiff_t size = ZV - BEGV;
- pint2str (decode_mode_spec_buf, field_width, size);
+ pint2str (decode_mode_spec_buf, width, size);
return decode_mode_spec_buf;
}
case 'I':
{
ptrdiff_t size = ZV - BEGV;
- pint2hrstr (decode_mode_spec_buf, field_width, size);
+ pint2hrstr (decode_mode_spec_buf, width, size);
return decode_mode_spec_buf;
}
if (mode_line_target == MODE_LINE_TITLE)
return "";
- startpos = XMARKER (w->start)->charpos;
+ startpos = marker_position (w->start);
startpos_byte = marker_byte_position (w->start);
height = WINDOW_TOTAL_LINES (w);
goto no_value;
/* But do forget it, if the window shows a different buffer now. */
else if (BUFFERP (w->base_line_pos))
- w->base_line_pos = Qnil;
+ wset_base_line_pos (w, Qnil);
/* If the buffer is very big, don't waste time. */
if (INTEGERP (Vline_number_display_limit)
&& BUF_ZV (b) - BUF_BEGV (b) > XINT (Vline_number_display_limit))
{
- w->base_line_pos = Qnil;
- w->base_line_number = Qnil;
+ wset_base_line_pos (w, Qnil);
+ wset_base_line_number (w, Qnil);
goto no_value;
}
go back past it. */
if (startpos == BUF_BEGV (b))
{
- w->base_line_number = make_number (topline);
- w->base_line_pos = make_number (BUF_BEGV (b));
+ wset_base_line_number (w, make_number (topline));
+ wset_base_line_pos (w, make_number (BUF_BEGV (b)));
}
else if (nlines < height + 25 || nlines > height * 3 + 50
|| linepos == BUF_BEGV (b))
give up on line numbers for this window. */
if (position == limit_byte && limit == startpos - distance)
{
- w->base_line_pos = w->buffer;
- w->base_line_number = Qnil;
+ wset_base_line_pos (w, w->buffer);
+ wset_base_line_number (w, Qnil);
goto no_value;
}
- w->base_line_number = make_number (topline - nlines);
- w->base_line_pos = make_number (BYTE_TO_CHAR (position));
+ wset_base_line_number (w, make_number (topline - nlines));
+ wset_base_line_pos (w, make_number (BYTE_TO_CHAR (position)));
}
/* Now count lines from the start pos to point. */
line_number_displayed = 1;
/* Make the string to show. */
- pint2str (decode_mode_spec_buf, field_width, topline + nlines);
+ pint2str (decode_mode_spec_buf, width, topline + nlines);
return decode_mode_spec_buf;
no_value:
{
char* p = decode_mode_spec_buf;
- int pad = field_width - 2;
+ int pad = width - 2;
while (pad-- > 0)
*p++ = ' ';
*p++ = '?';
obj = Fget_buffer_process (Fcurrent_buffer ());
if (PROCESSP (obj))
{
- p = decode_mode_spec_coding (XPROCESS (obj)->decode_coding_system,
- p, eol_flag);
- p = decode_mode_spec_coding (XPROCESS (obj)->encode_coding_system,
- p, eol_flag);
+ p = decode_mode_spec_coding
+ (XPROCESS (obj)->decode_coding_system, p, eol_flag);
+ p = decode_mode_spec_coding
+ (XPROCESS (obj)->encode_coding_system, p, eol_flag);
}
#endif /* subprocesses */
#endif /* 0 */
{
/* Glyph is off the left margin of the display area.
Should not happen. */
- abort ();
+ emacs_abort ();
}
row->ascent = max (row->ascent, it->max_ascent);
/* Append the list of glyph strings with head H and tail T to the list
with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */
-static inline void
+static void
append_glyph_string_lists (struct glyph_string **head, struct glyph_string **tail,
struct glyph_string *h, struct glyph_string *t)
{
list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the
result. */
-static inline void
+static void
prepend_glyph_string_lists (struct glyph_string **head, struct glyph_string **tail,
struct glyph_string *h, struct glyph_string *t)
{
/* Append glyph string S to the list with head *HEAD and tail *TAIL.
Set *HEAD and *TAIL to the resulting list. */
-static inline void
+static void
append_glyph_string (struct glyph_string **head, struct glyph_string **tail,
struct glyph_string *s)
{
Value is a pointer to a realized face that is ready for display if
DISPLAY_P is non-zero. */
-static inline struct face *
+static struct face *
get_char_face_and_encoding (struct frame *f, int c, int face_id,
XChar2b *char2b, int display_p)
{
The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is
a pointer to a realized face that is ready for display. */
-static inline struct face *
+static struct face *
get_glyph_face_and_encoding (struct frame *f, struct glyph *glyph,
XChar2b *char2b, int *two_byte_p)
{
/* Get glyph code of character C in FONT in the two-byte form CHAR2B.
Return 1 if FONT has a glyph for C, otherwise return 0. */
-static inline int
+static int
get_char_glyph_code (int c, struct font *font, XChar2b *char2b)
{
unsigned code;
{
int x = 0, i;
struct glyph *glyphs = s->row->glyphs[s->area];
- int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars);
+ int first = (s->first_glyph - glyphs
+ + (s->first_glyph->type == COMPOSITE_GLYPH ? 1 : s->nchars));
int end = s->row->used[s->area];
for (i = first; i < end && s->right_overhang > x; ++i)
int i, k, x;
int end = s->row->used[s->area];
struct glyph *glyphs = s->row->glyphs[s->area];
- int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars);
+ int first = (s->first_glyph - glyphs
+ + (s->first_glyph->type == COMPOSITE_GLYPH ? 1 : s->nchars));
k = -1;
x = 0;
first glyph following S. LAST_X is the right-most x-position + 1
in the drawing area. */
-static inline void
+static void
set_glyph_string_background_width (struct glyph_string *s, int start, int last_x)
{
/* If the face of this glyph string has to be drawn to the end of
break; \
\
default: \
- abort (); \
+ emacs_abort (); \
} \
\
if (s) \
/* Let's rather be paranoid than getting a SEGV. */
end = min (end, row->used[area]);
- start = max (0, start);
- start = min (end, start);
+ start = clip_to_bounds (0, start, end);
/* Translate X to frame coordinates. Set last_x to the right
end of the drawing area. */
/* If mouse highlighting is on, we may need to draw adjacent
glyphs using mouse-face highlighting. */
- if (area == TEXT_AREA && row->mouse_face_p)
+ if (area == TEXT_AREA && row->mouse_face_p
+ && hlinfo->mouse_face_beg_row >= 0
+ && hlinfo->mouse_face_end_row >= 0)
{
struct glyph_row *mouse_beg_row, *mouse_end_row;
/* Store one glyph for IT->char_to_display in IT->glyph_row.
Called from x_produce_glyphs when IT->glyph_row is non-null. */
-static inline void
+static void
append_glyph (struct it *it)
{
struct glyph *glyph;
glyph->type = CHAR_GLYPH;
glyph->avoid_cursor_p = it->avoid_cursor_p;
glyph->multibyte_p = it->multibyte_p;
- glyph->left_box_line_p = it->start_of_box_run_p;
- glyph->right_box_line_p = it->end_of_box_run_p;
+ if (it->glyph_row->reversed_p && area == TEXT_AREA)
+ {
+ /* In R2L rows, the left and the right box edges need to be
+ drawn in reverse direction. */
+ glyph->right_box_line_p = it->start_of_box_run_p;
+ glyph->left_box_line_p = it->end_of_box_run_p;
+ }
+ else
+ {
+ glyph->left_box_line_p = it->start_of_box_run_p;
+ glyph->right_box_line_p = it->end_of_box_run_p;
+ }
glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent
|| it->phys_descent > it->descent);
glyph->glyph_not_available_p = it->glyph_not_available_p;
{
glyph->resolved_level = it->bidi_it.resolved_level;
if ((it->bidi_it.type & 7) != it->bidi_it.type)
- abort ();
+ emacs_abort ();
glyph->bidi_type = it->bidi_it.type;
}
else
IT->glyph_row. Called from x_produce_glyphs when IT->glyph_row is
non-null. */
-static inline void
+static void
append_composite_glyph (struct it *it)
{
struct glyph *glyph;
}
glyph->avoid_cursor_p = it->avoid_cursor_p;
glyph->multibyte_p = it->multibyte_p;
- glyph->left_box_line_p = it->start_of_box_run_p;
- glyph->right_box_line_p = it->end_of_box_run_p;
+ if (it->glyph_row->reversed_p && area == TEXT_AREA)
+ {
+ /* In R2L rows, the left and the right box edges need to be
+ drawn in reverse direction. */
+ glyph->right_box_line_p = it->start_of_box_run_p;
+ glyph->left_box_line_p = it->end_of_box_run_p;
+ }
+ else
+ {
+ glyph->left_box_line_p = it->start_of_box_run_p;
+ glyph->right_box_line_p = it->end_of_box_run_p;
+ }
glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent
|| it->phys_descent > it->descent);
glyph->padding_p = 0;
{
glyph->resolved_level = it->bidi_it.resolved_level;
if ((it->bidi_it.type & 7) != it->bidi_it.type)
- abort ();
+ emacs_abort ();
glyph->bidi_type = it->bidi_it.type;
}
++it->glyph_row->used[area];
/* Change IT->ascent and IT->height according to the setting of
IT->voffset. */
-static inline void
+static void
take_vertical_position_into_account (struct it *it)
{
if (it->voffset)
glyph->type = IMAGE_GLYPH;
glyph->avoid_cursor_p = it->avoid_cursor_p;
glyph->multibyte_p = it->multibyte_p;
- glyph->left_box_line_p = it->start_of_box_run_p;
- glyph->right_box_line_p = it->end_of_box_run_p;
+ if (it->glyph_row->reversed_p && area == TEXT_AREA)
+ {
+ /* In R2L rows, the left and the right box edges need to be
+ drawn in reverse direction. */
+ glyph->right_box_line_p = it->start_of_box_run_p;
+ glyph->left_box_line_p = it->end_of_box_run_p;
+ }
+ else
+ {
+ glyph->left_box_line_p = it->start_of_box_run_p;
+ glyph->right_box_line_p = it->end_of_box_run_p;
+ }
glyph->overlaps_vertically_p = 0;
glyph->padding_p = 0;
glyph->glyph_not_available_p = 0;
{
glyph->resolved_level = it->bidi_it.resolved_level;
if ((it->bidi_it.type & 7) != it->bidi_it.type)
- abort ();
+ emacs_abort ();
glyph->bidi_type = it->bidi_it.type;
}
++it->glyph_row->used[area];
glyph->type = STRETCH_GLYPH;
glyph->avoid_cursor_p = it->avoid_cursor_p;
glyph->multibyte_p = it->multibyte_p;
- glyph->left_box_line_p = it->start_of_box_run_p;
- glyph->right_box_line_p = it->end_of_box_run_p;
+ if (it->glyph_row->reversed_p && area == TEXT_AREA)
+ {
+ /* In R2L rows, the left and the right box edges need to be
+ drawn in reverse direction. */
+ glyph->right_box_line_p = it->start_of_box_run_p;
+ glyph->left_box_line_p = it->end_of_box_run_p;
+ }
+ else
+ {
+ glyph->left_box_line_p = it->start_of_box_run_p;
+ glyph->right_box_line_p = it->end_of_box_run_p;
+ }
glyph->overlaps_vertically_p = 0;
glyph->padding_p = 0;
glyph->glyph_not_available_p = 0;
{
glyph->resolved_level = it->bidi_it.resolved_level;
if ((it->bidi_it.type & 7) != it->bidi_it.type)
- abort ();
+ emacs_abort ();
glyph->bidi_type = it->bidi_it.type;
}
else
Lisp_Object prop, plist;
int width = 0, height = 0, align_to = -1;
int zero_width_ok_p = 0;
- int ascent = 0;
double tem;
- struct face *face = NULL;
struct font *font = NULL;
#ifdef HAVE_WINDOW_SYSTEM
+ int ascent = 0;
int zero_height_ok_p = 0;
if (FRAME_WINDOW_P (it->f))
{
- face = FACE_FROM_ID (it->f, it->face_id);
+ struct face *face = FACE_FROM_ID (it->f, it->face_id);
font = face->font ? face->font : FRAME_FONT (it->f);
PREPARE_FACE_FOR_DISPLAY (it->f, face);
}
}
}
else
- abort ();
+ emacs_abort ();
#ifdef HAVE_WINDOW_SYSTEM
/* On a GUI frame, when the right fringe (left fringe for R2L rows)
glyph->slice.glyphless.lower_yoff = lower_yoff;
glyph->avoid_cursor_p = it->avoid_cursor_p;
glyph->multibyte_p = it->multibyte_p;
- glyph->left_box_line_p = it->start_of_box_run_p;
- glyph->right_box_line_p = it->end_of_box_run_p;
+ if (it->glyph_row->reversed_p && area == TEXT_AREA)
+ {
+ /* In R2L rows, the left and the right box edges need to be
+ drawn in reverse direction. */
+ glyph->right_box_line_p = it->start_of_box_run_p;
+ glyph->left_box_line_p = it->end_of_box_run_p;
+ }
+ else
+ {
+ glyph->left_box_line_p = it->start_of_box_run_p;
+ glyph->right_box_line_p = it->end_of_box_run_p;
+ }
glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent
|| it->phys_descent > it->descent);
glyph->padding_p = 0;
{
glyph->resolved_level = it->bidi_it.resolved_level;
if ((it->bidi_it.type & 7) != it->bidi_it.type)
- abort ();
+ emacs_abort ();
glyph->bidi_type = it->bidi_it.type;
}
++it->glyph_row->used[area];
font_descent = FONT_DESCENT (font) - boff;
font_height = FONT_HEIGHT (font);
- cmp->font = (void *) font;
+ cmp->font = font;
pcm = NULL;
if (! font_not_found_p)
if (updated_row->reversed_p && chpos >= updated_row->used[TEXT_AREA])
chpos = updated_row->used[TEXT_AREA] - 1;
- BLOCK_INPUT;
+ block_input ();
/* Write glyphs. */
&& chpos < hpos + len)
updated_window->phys_cursor_on_p = 0;
- UNBLOCK_INPUT;
+ unblock_input ();
/* Advance the output cursor. */
output_cursor.hpos += len;
ptrdiff_t hpos;
eassert (updated_window && updated_row);
- BLOCK_INPUT;
+ block_input ();
w = updated_window;
f = XFRAME (WINDOW_FRAME (w));
/* Advance the output cursor. */
output_cursor.hpos += len;
output_cursor.x += shift_by_width;
- UNBLOCK_INPUT;
+ unblock_input ();
}
/* Prevent inadvertently clearing to end of the X window. */
if (to_x > from_x && to_y > from_y)
{
- BLOCK_INPUT;
+ block_input ();
FRAME_RIF (f)->clear_frame_area (f, from_x, from_y,
to_x - from_x, to_y - from_y);
- UNBLOCK_INPUT;
+ unblock_input ();
}
}
}
/* Detect a nonselected window or nonselected frame. */
- else if (w != XWINDOW (FVAR (f, selected_window))
+ else if (w != XWINDOW (f->selected_window)
|| f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame)
{
*active_cursor = 0;
{
int i, x;
- BLOCK_INPUT;
+ block_input ();
x = 0;
for (i = 0; i < row->used[area];)
}
}
- UNBLOCK_INPUT;
+ unblock_input ();
}
|| (0 <= hpos && hpos < glyph_row->used[TEXT_AREA]))
glyph = glyph_row->glyphs[TEXT_AREA] + hpos;
- eassert (interrupt_input_blocked);
+ eassert (input_blocked_p ());
/* Set new_cursor_type to the cursor we want to be displayed. */
new_cursor_type = get_window_cursor_type (w, glyph,
if (row->reversed_p && hpos >= row->used[TEXT_AREA])
hpos = row->used[TEXT_AREA] - 1;
- BLOCK_INPUT;
+ block_input ();
display_and_set_cursor (w, on, hpos, vpos,
w->phys_cursor.x, w->phys_cursor.y);
- UNBLOCK_INPUT;
+ unblock_input ();
}
}
void
x_update_cursor (struct frame *f, int on_p)
{
- update_cursor_in_window_tree (XWINDOW (FVAR (f, root_window)), on_p);
+ update_cursor_in_window_tree (XWINDOW (f->root_window), on_p);
}
if (row->reversed_p && hpos >= row->used[TEXT_AREA])
hpos = row->used[TEXT_AREA] - 1;
- BLOCK_INPUT;
+ block_input ();
display_and_set_cursor (w, 1, hpos, w->phys_cursor.vpos,
w->phys_cursor.x, w->phys_cursor.y);
- UNBLOCK_INPUT;
+ unblock_input ();
}
#endif /* HAVE_WINDOW_SYSTEM */
}
if (FRAME_WINDOW_P (f))
{
if (draw == DRAW_NORMAL_TEXT
- && !EQ (hlinfo->mouse_face_window, FVAR (f, tool_bar_window)))
+ && !EQ (hlinfo->mouse_face_window, f->tool_bar_window))
FRAME_RIF (f)->define_frame_cursor (f, FRAME_X_OUTPUT (f)->text_cursor);
else if (draw == DRAW_MOUSE_FACE)
FRAME_RIF (f)->define_frame_cursor (f, FRAME_X_OUTPUT (f)->hand_cursor);
if (hlinfo->mouse_face_defer)
return;
- if (gc_in_progress)
- {
- hlinfo->mouse_face_deferred_gc = 1;
- return;
- }
-
/* Which window is that in? */
window = window_from_coordinates (f, x, y, &part, 1);
#ifdef HAVE_WINDOW_SYSTEM
/* Handle tool-bar window differently since it doesn't display a
buffer. */
- if (EQ (window, FVAR (f, tool_bar_window)))
+ if (EQ (window, f->tool_bar_window))
{
note_tool_bar_highlight (f, x, y);
return;
Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (XFRAME (w->frame));
Lisp_Object window;
- BLOCK_INPUT;
+ block_input ();
XSETWINDOW (window, w);
if (EQ (window, hlinfo->mouse_face_window))
clear_mouse_face (hlinfo);
- UNBLOCK_INPUT;
+ unblock_input ();
}
}
TRACE ((stderr, "(%d, %d, %d, %d)\n", r.x, r.y, r.width, r.height));
- mouse_face_overwritten_p = expose_window_tree (XWINDOW (FVAR (f, root_window)), &r);
+ mouse_face_overwritten_p = expose_window_tree (XWINDOW (f->root_window), &r);
- if (WINDOWP (FVAR (f, tool_bar_window)))
+ if (WINDOWP (f->tool_bar_window))
mouse_face_overwritten_p
- |= expose_window (XWINDOW (FVAR (f, tool_bar_window)), &r);
+ |= expose_window (XWINDOW (f->tool_bar_window), &r);
#ifdef HAVE_X_WINDOWS
#ifndef MSDOS
#ifndef USE_X_TOOLKIT
- if (WINDOWP (FVAR (f, menu_bar_window)))
+ if (WINDOWP (f->menu_bar_window))
mouse_face_overwritten_p
- |= expose_window (XWINDOW (FVAR (f, menu_bar_window)), &r);
+ |= expose_window (XWINDOW (f->menu_bar_window), &r);
#endif /* not USE_X_TOOLKIT */
#endif
#endif
staticpro (&Vmessage_stack);
DEFSYM (Qinhibit_redisplay, "inhibit-redisplay");
+ DEFSYM (Qredisplay_internal, "redisplay_internal (C function)");
message_dolog_marker1 = Fmake_marker ();
staticpro (&message_dolog_marker1);
If `word-wrap' is enabled, you might want to reduce this. */);
Vtruncate_partial_width_windows = make_number (50);
- DEFVAR_BOOL ("mode-line-inverse-video", mode_line_inverse_video,
- doc: /* When nil, display the mode-line/header-line/menu-bar in the default face.
-Any other value means to use the appropriate face, `mode-line',
-`header-line', or `menu' respectively. */);
- mode_line_inverse_video = 1;
-
DEFVAR_LISP ("line-number-display-limit", Vline_number_display_limit,
doc: /* Maximum buffer size for which line number should be displayed.
If the buffer is bigger than this, the line number does not appear
doc: /* Maximum number of lines to keep in the message log buffer.
If nil, disable message logging. If t, log messages but don't truncate
the buffer when it becomes large. */);
- Vmessage_log_max = make_number (100);
+ Vmessage_log_max = make_number (1000);
DEFVAR_LISP ("window-size-change-functions", Vwindow_size_change_functions,
doc: /* Functions called before redisplay, if window sizes have changed.
Vglyphless_char_display = Fmake_char_table (Qglyphless_char_display, Qnil);
Fset_char_table_extra_slot (Vglyphless_char_display, make_number (0),
Qempty_box);
+
+ DEFVAR_LISP ("debug-on-message", Vdebug_on_message,
+ doc: /* If non-nil, debug if a message matching this regexp is displayed. */);
+ Vdebug_on_message = Qnil;
}
echo_area_window = minibuf_window;
- XSETFASTINT (r->top_line, FRAME_TOP_MARGIN (f));
- XSETFASTINT (r->total_lines, FRAME_LINES (f) - 1 - FRAME_TOP_MARGIN (f));
- XSETFASTINT (r->total_cols, FRAME_COLS (f));
- XSETFASTINT (m->top_line, FRAME_LINES (f) - 1);
- XSETFASTINT (m->total_lines, 1);
- XSETFASTINT (m->total_cols, FRAME_COLS (f));
+ wset_top_line (r, make_number (FRAME_TOP_MARGIN (f)));
+ wset_total_lines
+ (r, make_number (FRAME_LINES (f) - 1 - FRAME_TOP_MARGIN (f)));
+ wset_total_cols (r, make_number (FRAME_COLS (f)));
+ wset_top_line (m, make_number (FRAME_LINES (f) - 1));
+ wset_total_lines (m, make_number (1));
+ wset_total_cols (m, make_number (FRAME_COLS (f)));
scratch_glyph_row.glyphs[TEXT_AREA] = scratch_glyphs;
scratch_glyph_row.glyphs[TEXT_AREA + 1]
help_echo_showing_p = 0;
}
-/* Since w32 does not support atimers, it defines its own implementation of
- the following three functions in w32fns.c. */
-#ifndef WINDOWSNT
-
-/* Platform-independent portion of hourglass implementation. */
+/* Platform-independent portion of hourglass implementation. */
/* Cancel a currently active hourglass timer, and start a new one. */
void
else
delay = make_emacs_time (DEFAULT_HOURGLASS_DELAY, 0);
+#ifdef HAVE_NTGUI
+ {
+ extern void w32_note_current_window (void);
+ w32_note_current_window ();
+ }
+#endif /* HAVE_NTGUI */
+
hourglass_atimer = start_atimer (ATIMER_RELATIVE, delay,
show_hourglass, NULL);
#endif
hide_hourglass ();
#endif
}
-#endif /* ! WINDOWSNT */
HCoop / bpt / emacs.git / blobdiff