/* Updating of data structures for redisplay.
Copyright (C) 1985, 1986, 1987, 1988, 1993, 1994, 1995,
1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <stdio.h>
#include <ctype.h>
#include <setjmp.h>
-
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif
#include "lisp.h"
#include "termchar.h"
#include "systime.h"
#include <errno.h>
-/* To get the prototype for `sleep'. */
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
/* Get number of chars of output now in the buffer of a stdio stream.
This ought to be built in in stdio, but it isn't. Some s- files
override this because their stdio internals differ. */
static void update_frame_line (struct frame *, int);
static struct dim allocate_matrices_for_frame_redisplay
(Lisp_Object, int, int, int, int *);
+static int required_matrix_height (struct window *);
+static int required_matrix_width (struct window *);
static void allocate_matrices_for_window_redisplay (struct window *);
static int realloc_glyph_pool (struct glyph_pool *, struct dim);
static void adjust_frame_glyphs (struct frame *);
static int update_window (struct window *, int);
static int update_frame_1 (struct frame *, int, int);
static void set_window_cursor_after_update (struct window *);
-static int row_equal_p (struct window *, struct glyph_row *,
- struct glyph_row *, int);
static void adjust_frame_glyphs_for_window_redisplay (struct frame *);
static void adjust_frame_glyphs_for_frame_redisplay (struct frame *);
-static void reverse_rows (struct glyph_matrix *, int, int);
-static int margin_glyphs_to_reserve (struct window *, int, Lisp_Object);
-static void sync_window_with_frame_matrix_rows (struct window *);
-struct window *frame_row_to_window (struct window *, int);
\f
-/* Non-zero means don't pause redisplay for pending input. (This is
- for debugging and for a future implementation of EDT-like
- scrolling. */
-
-int redisplay_dont_pause;
-
/* Define PERIODIC_PREEMPTION_CHECKING to 1, if micro-second timers
are supported, so we can check for input during redisplay at
regular intervals. */
#if PERIODIC_PREEMPTION_CHECKING
-/* If a number (float), check for user input every N seconds. */
-
-Lisp_Object Vredisplay_preemption_period;
-
/* Redisplay preemption timers. */
static EMACS_TIME preemption_period;
int display_completed;
-/* Lisp variable visible-bell; enables use of screen-flash instead of
- audible bell. */
-
-int visible_bell;
-
-/* Invert the color of the whole frame, at a low level. */
-
-int inverse_video;
-
-/* Line speed of the terminal. */
-
-EMACS_INT baud_rate;
-
-/* Either nil or a symbol naming the window system under which Emacs
- creates the first frame. */
-
-Lisp_Object Vinitial_window_system;
-
-/* Version number of X windows: 10, 11 or nil. */
-
-Lisp_Object Vwindow_system_version;
-
-/* Vector of glyph definitions. Indexed by glyph number, the contents
- are a string which is how to output the glyph.
-
- If Vglyph_table is nil, a glyph is output by using its low 8 bits
- as a character code.
-
- This is an obsolete feature that is no longer used. The variable
- is retained for compatibility. */
-
-Lisp_Object Vglyph_table;
-
-/* Display table to use for vectors that don't specify their own. */
-
-Lisp_Object Vstandard_display_table;
-
-/* Nonzero means reading single-character input with prompt so put
- cursor on mini-buffer after the prompt. Positive means at end of
- text in echo area; negative means at beginning of line. */
-
-int cursor_in_echo_area;
-
Lisp_Object Qdisplay_table, Qredisplay_dont_pause;
\f
has been interrupted for pending input. */
static void
-add_window_display_history (w, msg, paused_p)
- struct window *w;
- char *msg;
- int paused_p;
+add_window_display_history (struct window *w, char *msg, int paused_p)
{
char *buf;
w,
((BUFFERP (w->buffer)
&& STRINGP (XBUFFER (w->buffer)->name))
- ? (char *) SDATA (XBUFFER (w->buffer)->name)
+ ? SSDATA (XBUFFER (w->buffer)->name)
: "???"),
paused_p ? " ***paused***" : "");
strcat (buf, msg);
pending input. */
static void
-add_frame_display_history (f, paused_p)
- struct frame *f;
- int paused_p;
+add_frame_display_history (struct frame *f, int paused_p)
{
char *buf;
DEFUN ("dump-redisplay-history", Fdump_redisplay_history,
Sdump_redisplay_history, 0, 0, "",
doc: /* Dump redisplay history to stderr. */)
- ()
+ (void)
{
int i;
#endif /* GLYPH_DEBUG == 0 */
-/* Like bcopy except never gets confused by overlap. Let this be the
- first function defined in this file, or change emacs.c where the
- address of this function is used. */
+#if defined PROFILING && !HAVE___EXECUTABLE_START
+/* FIXME: only used to find text start for profiling. */
void
safe_bcopy (const char *from, char *to, int size)
{
- if (size <= 0 || from == to)
- return;
-
- /* If the source and destination don't overlap, then bcopy can
- handle it. If they do overlap, but the destination is lower in
- memory than the source, we'll assume bcopy can handle that. */
- if (to < from || from + size <= to)
- bcopy (from, to, size);
-
- /* Otherwise, we'll copy from the end. */
- else
- {
- register const char *endf = from + size;
- register char *endt = to + size;
-
- /* If TO - FROM is large, then we should break the copy into
- nonoverlapping chunks of TO - FROM bytes each. However, if
- TO - FROM is small, then the bcopy function call overhead
- makes this not worth it. The crossover point could be about
- anywhere. Since I don't think the obvious copy loop is too
- bad, I'm trying to err in its favor. */
- if (to - from < 64)
- {
- do
- *--endt = *--endf;
- while (endf != from);
- }
- else
- {
- for (;;)
- {
- endt -= (to - from);
- endf -= (to - from);
-
- if (endt < to)
- break;
-
- bcopy (endf, endt, to - from);
- }
-
- /* If SIZE wasn't a multiple of TO - FROM, there will be a
- little left over. The amount left over is (endt + (to -
- from)) - to, which is endt - from. */
- bcopy (from, to, endt - from);
- }
- }
+ abort ();
}
-
-
+#endif
\f
/***********************************************************************
Glyph Matrices
/* Allocate and clear. */
result = (struct glyph_matrix *) xmalloc (sizeof *result);
- bzero (result, sizeof *result);
+ memset (result, 0, sizeof *result);
/* Increment number of allocated matrices. This count is used
to detect memory leaks. */
int size = dim.height * sizeof (struct glyph_row);
new_rows = dim.height - matrix->rows_allocated;
matrix->rows = (struct glyph_row *) xrealloc (matrix->rows, size);
- bzero (matrix->rows + matrix->rows_allocated,
- new_rows * sizeof *matrix->rows);
+ memset (matrix->rows + matrix->rows_allocated, 0,
+ new_rows * sizeof *matrix->rows);
matrix->rows_allocated = dim.height;
}
else
DELTA_BYTES. */
void
-increment_matrix_positions (struct glyph_matrix *matrix, int start, int end, int delta, int delta_bytes)
+increment_matrix_positions (struct glyph_matrix *matrix, int start, int end,
+ EMACS_INT delta, EMACS_INT delta_bytes)
{
/* Check that START and END are reasonable values. */
xassert (start >= 0 && start <= matrix->nrows);
returned by xmalloc. If flickering happens again, activate
the code below. If the flickering is gone with that, chances
are that the flickering has the same reason as here. */
- bzero (p[0], (char *) p[LAST_AREA] - (char *) p[0]);
+ memset (p[0], 0, (char *) p[LAST_AREA] - (char *) p[0]);
#endif
}
ends. */
void
-increment_row_positions (struct glyph_row *row, int delta, int delta_bytes)
+increment_row_positions (struct glyph_row *row,
+ EMACS_INT delta, EMACS_INT delta_bytes)
{
int area, i;
/* Copy glyph row structure FROM to glyph row structure TO, except
that glyph pointers in the structures are left unchanged. */
-INLINE void
+static INLINE void
copy_row_except_pointers (struct glyph_row *to, struct glyph_row *from)
{
struct glyph *pointers[1 + LAST_AREA];
/* Save glyph pointers of TO. */
- bcopy (to->glyphs, pointers, sizeof to->glyphs);
+ memcpy (pointers, to->glyphs, sizeof to->glyphs);
/* Do a structure assignment. */
*to = *from;
/* Restore original pointers of TO. */
- bcopy (pointers, to->glyphs, sizeof to->glyphs);
+ memcpy (to->glyphs, pointers, sizeof to->glyphs);
}
positions in row TO by DELTA/ DELTA_BYTES. */
void
-copy_glyph_row_contents (struct glyph_row *to, struct glyph_row *from, int delta, int delta_bytes)
+copy_glyph_row_contents (struct glyph_row *to, struct glyph_row *from,
+ EMACS_INT delta, EMACS_INT delta_bytes)
{
int area;
/* Copy glyphs from FROM to TO. */
for (area = 0; area < LAST_AREA; ++area)
if (from->used[area])
- bcopy (from->glyphs[area], to->glyphs[area],
- from->used[area] * sizeof (struct glyph));
+ memcpy (to->glyphs[area], from->glyphs[area],
+ from->used[area] * sizeof (struct glyph));
/* Increment buffer positions in TO by DELTA. */
increment_row_positions (to, delta, delta_bytes);
#if GLYPH_DEBUG
static int
-glyph_row_slice_p (window_row, frame_row)
- struct glyph_row *window_row, *frame_row;
+glyph_row_slice_p (struct glyph_row *window_row, struct glyph_row *frame_row)
{
struct glyph *window_glyph_start = window_row->glyphs[0];
struct glyph *frame_glyph_start = frame_row->glyphs[0];
in WINDOW_MATRIX is found satisfying the condition. */
static struct glyph_row *
-find_glyph_row_slice (window_matrix, frame_matrix, row)
- struct glyph_matrix *window_matrix, *frame_matrix;
- int row;
+find_glyph_row_slice (struct glyph_matrix *window_matrix,
+ struct glyph_matrix *frame_matrix, int row)
{
int i;
/* Return a hash code for glyph row ROW. */
-int
+static int
line_hash_code (struct glyph_row *row)
{
int hash = 0;
/* Allocate a new glyph_pool and clear it. */
result = (struct glyph_pool *) xmalloc (sizeof *result);
- bzero (result, sizeof *result);
+ memset (result, 0, sizeof *result);
/* For memory leak and double deletion checking. */
++glyph_pool_count;
int size = needed * sizeof (struct glyph);
if (pool->glyphs)
- pool->glyphs = (struct glyph *) xrealloc (pool->glyphs, size);
+ {
+ pool->glyphs = (struct glyph *) xrealloc (pool->glyphs, size);
+ memset (pool->glyphs + pool->nglyphs, 0,
+ size - pool->nglyphs * sizeof (struct glyph));
+ }
else
{
pool->glyphs = (struct glyph *) xmalloc (size);
- bzero (pool->glyphs, size);
+ memset (pool->glyphs, 0, size);
}
pool->nglyphs = needed;
*/
void
-flush_stdout ()
+flush_stdout (void)
{
fflush (stdout);
}
MATRIX. */
void
-check_matrix_pointer_lossage (matrix)
- struct glyph_matrix *matrix;
+check_matrix_pointer_lossage (struct glyph_matrix *matrix)
{
int i, j;
/* Get a pointer to glyph row ROW in MATRIX, with bounds checks. */
struct glyph_row *
-matrix_row (matrix, row)
- struct glyph_matrix *matrix;
- int row;
+matrix_row (struct glyph_matrix *matrix, int row)
{
xassert (matrix && matrix->rows);
xassert (row >= 0 && row < matrix->nrows);
window W. */
static void
-check_matrix_invariants (w)
- struct window *w;
+check_matrix_invariants (struct window *w)
{
struct glyph_matrix *matrix = w->current_matrix;
int yb = window_text_bottom_y (w);
#define CHANGED_LEAF_MATRIX (1 << 1)
static struct dim
-allocate_matrices_for_frame_redisplay (window, x, y, dim_only_p,
- window_change_flags)
- Lisp_Object window;
- int x, y;
- int dim_only_p;
- int *window_change_flags;
+allocate_matrices_for_frame_redisplay (Lisp_Object window, int x, int y,
+ int dim_only_p, int *window_change_flags)
{
struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
int x0 = x, y0 = y;
/* Return the required height of glyph matrices for window W. */
-int
+static int
required_matrix_height (struct window *w)
{
#ifdef HAVE_WINDOW_SYSTEM
/* Return the required width of glyph matrices for window W. */
-int
+static int
required_matrix_width (struct window *w)
{
#ifdef HAVE_WINDOW_SYSTEM
struct glyph_matrix *saved;
saved = (struct glyph_matrix *) xmalloc (sizeof *saved);
- bzero (saved, sizeof *saved);
+ memset (saved, 0, sizeof *saved);
saved->nrows = f->current_matrix->nrows;
saved->rows = (struct glyph_row *) xmalloc (saved->nrows
* sizeof *saved->rows);
- bzero (saved->rows, saved->nrows * sizeof *saved->rows);
+ memset (saved->rows, 0, saved->nrows * sizeof *saved->rows);
for (i = 0; i < saved->nrows; ++i)
{
struct glyph_row *to = saved->rows + i;
size_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph);
to->glyphs[TEXT_AREA] = (struct glyph *) xmalloc (nbytes);
- bcopy (from->glyphs[TEXT_AREA], to->glyphs[TEXT_AREA], nbytes);
+ memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes);
to->used[TEXT_AREA] = from->used[TEXT_AREA];
}
struct glyph_row *from = saved->rows + i;
struct glyph_row *to = f->current_matrix->rows + i;
size_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph);
- bcopy (from->glyphs[TEXT_AREA], to->glyphs[TEXT_AREA], nbytes);
+ memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes);
to->used[TEXT_AREA] = from->used[TEXT_AREA];
xfree (from->glyphs[TEXT_AREA]);
}
if (current_row_p)
{
/* Copy window row to frame row. */
- bcopy (window_row->glyphs[0],
- frame_row->glyphs[TEXT_AREA] + window_matrix->matrix_x,
- window_matrix->matrix_w * sizeof (struct glyph));
+ memcpy (frame_row->glyphs[TEXT_AREA] + window_matrix->matrix_x,
+ window_row->glyphs[0],
+ window_matrix->matrix_w * sizeof (struct glyph));
}
else
{
else
swap_glyph_pointers (desired_row, current_row);
current_row->enabled_p = 1;
+
+ /* Set the Y coordinate of the mode/header line's row.
+ It is needed in draw_row_with_mouse_face to find the
+ screen coordinates. (Window-based redisplay sets
+ this in update_window, but no one seems to do that
+ for frame-based redisplay.) */
+ if (current_row->mode_line_p)
+ current_row->y = row;
}
}
This function is called from do_scrolling and do_direct_scrolling. */
void
-mirrored_line_dance (matrix, unchanged_at_top, nlines, copy_from,
- retained_p)
- struct glyph_matrix *matrix;
- int unchanged_at_top, nlines;
- int *copy_from;
- char *retained_p;
+mirrored_line_dance (struct glyph_matrix *matrix, int unchanged_at_top, int nlines,
+ int *copy_from, char *retained_p)
{
/* A copy of original rows. */
struct glyph_row *old_rows;
/* Make a copy of the original rows. */
old_rows = (struct glyph_row *) alloca (nlines * sizeof *old_rows);
- bcopy (new_rows, old_rows, nlines * sizeof *old_rows);
+ memcpy (old_rows, new_rows, nlines * sizeof *old_rows);
/* Assign new rows, maybe clear lines. */
for (i = 0; i < nlines; ++i)
/* Make a copy of the original rows of matrix m. */
old_rows = (struct glyph_row *) alloca (m->nrows * sizeof *old_rows);
- bcopy (m->rows, old_rows, m->nrows * sizeof *old_rows);
+ memcpy (old_rows, m->rows, m->nrows * sizeof *old_rows);
for (i = 0; i < nlines; ++i)
{
glyph pointers. */
void
-check_window_matrix_pointers (w)
- struct window *w;
+check_window_matrix_pointers (struct window *w)
{
while (w)
{
corresponding frame row. If it isn't, abort. */
static void
-check_matrix_pointers (window_matrix, frame_matrix)
- struct glyph_matrix *window_matrix, *frame_matrix;
+check_matrix_pointers (struct glyph_matrix *window_matrix,
+ struct glyph_matrix *frame_matrix)
{
/* Row number in WINDOW_MATRIX. */
int i = 0;
vertical position relative to W's frame. */
static int
-window_to_frame_vpos (w, vpos)
- struct window *w;
- int vpos;
+window_to_frame_vpos (struct window *w, int vpos)
{
struct frame *f = XFRAME (w->frame);
a horizontal position relative to W's frame. */
static int
-window_to_frame_hpos (w, hpos)
- struct window *w;
- int hpos;
+window_to_frame_hpos (struct window *w, int hpos)
{
xassert (!FRAME_WINDOW_P (XFRAME (w->frame)));
hpos += WINDOW_LEFT_EDGE_COL (w);
DEFUN ("redraw-frame", Fredraw_frame, Sredraw_frame, 1, 1, 0,
doc: /* Clear frame FRAME and output again what is supposed to appear on it. */)
- (frame)
- Lisp_Object frame;
+ (Lisp_Object frame)
{
struct frame *f;
DEFUN ("redraw-display", Fredraw_display, Sredraw_display, 0, 0, "",
doc: /* Clear and redisplay all visible frames. */)
- ()
+ (void)
{
Lisp_Object tail, frame;
#endif
}
+#if PERIODIC_PREEMPTION_CHECKING
do_pause:
+#endif
/* Reset flags indicating that a window should be updated. */
set_window_update_flags (root_window, 0);
#if !PERIODIC_PREEMPTION_CHECKING
int preempt_count = baud_rate / 2400 + 1;
#endif
- extern int input_pending;
- extern Lisp_Object do_mouse_tracking;
struct redisplay_interface *rif = FRAME_RIF (XFRAME (WINDOW_FRAME (w)));
#if GLYPH_DEBUG
/* Check that W's frame doesn't have glyph matrices. */
row_table_size = next_almost_prime (3 * n);
nbytes = row_table_size * sizeof *row_table;
row_table = (struct row_entry **) xrealloc (row_table, nbytes);
- bzero (row_table, nbytes);
+ memset (row_table, 0, nbytes);
}
if (n > row_entry_pool_size)
int i;
int pause;
int preempt_count = baud_rate / 2400 + 1;
- extern int input_pending;
xassert (current_matrix && desired_matrix);
}
}
+#if !PERIODIC_PREEMPTION_CHECKING
do_pause:
+#endif
clear_desired_matrices (f);
return pause;
/* Char insertion/deletion cost vector, from term.c */
-extern int *char_ins_del_vector;
#define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_TOTAL_COLS((f))])
***********************************************************************/
/* Determine what's under window-relative pixel position (*X, *Y).
- Return the object (string or buffer) that's there.
+ Return the OBJECT (string or buffer) that's there.
Return in *POS the position in that object.
- Adjust *X and *Y to character positions. */
+ Adjust *X and *Y to character positions.
+ Return in *DX and *DY the pixel coordinates of the click,
+ relative to the top left corner of OBJECT, or relative to
+ the top left corner of the character glyph at (*X, *Y)
+ if OBJECT is nil.
+ Return WIDTH and HEIGHT of the object at (*X, *Y), or zero
+ if the coordinates point to an empty area of the display. */
Lisp_Object
buffer_posn_from_coords (struct window *w, int *x, int *y, struct display_pos *pos, Lisp_Object *object, int *dx, int *dy, int *width, int *height)
#ifdef HAVE_WINDOW_SYSTEM
struct image *img = 0;
#endif
- int x0, x1;
+ int x0, x1, to_x;
/* We used to set current_buffer directly here, but that does the
wrong thing with `face-remapping-alist' (bug#2044). */
BYTEPOS (startp) = min (ZV_BYTE, max (BEGV_BYTE, BYTEPOS (startp)));
start_display (&it, w, startp);
- x0 = *x - WINDOW_LEFT_MARGIN_WIDTH (w);
- move_it_to (&it, -1, x0 + it.first_visible_x, *y, -1,
- MOVE_TO_X | MOVE_TO_Y);
+ x0 = *x;
+
+ /* First, move to the beginning of the row corresponding to *Y. We
+ need to be in that row to get the correct value of base paragraph
+ direction for the text at (*X, *Y). */
+ move_it_to (&it, -1, 0, *y, -1, MOVE_TO_X | MOVE_TO_Y);
+
+ /* TO_X is the pixel position that the iterator will compute for the
+ glyph at *X. We add it.first_visible_x because iterator
+ positions include the hscroll. */
+ to_x = x0 + it.first_visible_x;
+ if (it.bidi_it.paragraph_dir == R2L)
+ /* For lines in an R2L paragraph, we need to mirror TO_X wrt the
+ text area. This is because the iterator, even in R2L
+ paragraphs, delivers glyphs as if they started at the left
+ margin of the window. (When we actually produce glyphs for
+ display, we reverse their order in PRODUCE_GLYPHS, but the
+ iterator doesn't know about that.) The following line adjusts
+ the pixel position to the iterator geometry, which is what
+ move_it_* routines use. (The -1 is because in a window whose
+ text-area width is W, the rightmost pixel position is W-1, and
+ it should be mirrored into zero pixel position.) */
+ to_x = window_box_width (w, TEXT_AREA) - to_x - 1;
+
+ /* Now move horizontally in the row to the glyph under *X. Second
+ argument is ZV to prevent move_it_in_display_line from matching
+ based on buffer positions. */
+ move_it_in_display_line (&it, ZV, to_x, MOVE_TO_X);
Fset_buffer (old_current_buffer);
if (STRINGP (it.string))
string = it.string;
*pos = it.current;
+ if (it.what == IT_COMPOSITION
+ && it.cmp_it.nchars > 1
+ && it.cmp_it.reversed_p)
+ {
+ /* The current display element is a grapheme cluster in a
+ composition. In that case, we need the position of the first
+ character of the cluster. But, as it.cmp_it.reversed_p is 1,
+ it.current points to the last character of the cluster, thus
+ we must move back to the first character of the same
+ cluster. */
+ CHARPOS (pos->pos) -= it.cmp_it.nchars - 1;
+ if (STRINGP (it.string))
+ BYTEPOS (pos->pos) = string_char_to_byte (string, CHARPOS (pos->pos));
+ else
+ BYTEPOS (pos->pos) = CHAR_TO_BYTE (CHARPOS (pos->pos));
+ }
#ifdef HAVE_WINDOW_SYSTEM
if (it.what == IT_IMAGE)
if (img)
{
*dy -= row->ascent - glyph->ascent;
- *dx += glyph->slice.x;
- *dy += glyph->slice.y;
+ *dx += glyph->slice.img.x;
+ *dy += glyph->slice.img.y;
/* Image slices positions are still relative to the entire image */
*width = img->width;
*height = img->height;
*CHARPOS is set to the position in the string returned. */
Lisp_Object
-mode_line_string (struct window *w, enum window_part part, int *x, int *y, int *charpos, Lisp_Object *object, int *dx, int *dy, int *width, int *height)
+mode_line_string (struct window *w, enum window_part part,
+ int *x, int *y, EMACS_INT *charpos, Lisp_Object *object,
+ int *dx, int *dy, int *width, int *height)
{
struct glyph_row *row;
struct glyph *glyph, *end;
the string returned. */
Lisp_Object
-marginal_area_string (struct window *w, enum window_part part, int *x, int *y, int *charpos, Lisp_Object *object, int *dx, int *dy, int *width, int *height)
+marginal_area_string (struct window *w, enum window_part part,
+ int *x, int *y, EMACS_INT *charpos, Lisp_Object *object,
+ int *dx, int *dy, int *width, int *height)
{
struct glyph_row *row = w->current_matrix->rows;
struct glyph *glyph, *end;
if (img != NULL)
*object = img->spec;
y0 -= row->ascent - glyph->ascent;
- x0 += glyph->slice.x;
- y0 += glyph->slice.y;
+ x0 += glyph->slice.img.x;
+ y0 += glyph->slice.img.y;
}
#endif
}
1, 1, "FOpen termscript file: ",
doc: /* Start writing all terminal output to FILE as well as the terminal.
FILE = nil means just close any termscript file currently open. */)
- (file)
- Lisp_Object file;
+ (Lisp_Object file)
{
struct tty_display_info *tty;
It may be a terminal object, a frame, or nil for the terminal used by
the currently selected frame. In batch mode, STRING is sent to stdout
when TERMINAL is nil. */)
- (string, terminal)
- Lisp_Object string;
- Lisp_Object terminal;
+ (Lisp_Object string, Lisp_Object terminal)
{
struct terminal *t = get_terminal (terminal, 1);
FILE *out;
doc: /* Beep, or flash the screen.
Also, unless an argument is given,
terminate any keyboard macro currently executing. */)
- (arg)
- Lisp_Object arg;
+ (Lisp_Object arg)
{
if (!NILP (arg))
{
additional wait period, in milliseconds; this may be useful if your
Emacs was built without floating point support.
\(Not all operating systems support waiting for a fraction of a second.) */)
- (seconds, milliseconds)
- Lisp_Object seconds, milliseconds;
+ (Lisp_Object seconds, Lisp_Object milliseconds)
{
int sec, usec;
If optional arg FORCE is non-nil or `redisplay-dont-pause' is non-nil,
perform a full redisplay even if input is available.
Return t if redisplay was performed, nil otherwise. */)
- (force)
- Lisp_Object force;
+ (Lisp_Object force)
{
int count;
If VARIABLE is nil, an internal variable is used. Users should not
pass nil for VARIABLE. */)
- (variable)
- Lisp_Object variable;
+ (Lisp_Object variable)
{
Lisp_Object state, tail, frame, buf;
Lisp_Object *vecp, *end;
{
char *terminal_type;
-#ifdef HAVE_X_WINDOWS
- extern int display_arg;
-#endif
-
/* Construct the space glyph. */
space_glyph.type = CHAR_GLYPH;
SET_CHAR_GLYPH (space_glyph, ' ', DEFAULT_FACE_ID, 0);
f->terminal = t;
t->reference_count++;
+#ifdef MSDOS
+ f->output_data.tty->display_info = &the_only_display_info;
+#else
+ if (f->output_method == output_termcap)
+ create_tty_output (f);
+#endif
t->display_info.tty->top_frame = selected_frame;
change_frame_size (XFRAME (selected_frame),
FrameRows (t->display_info.tty),
WINDOW nil means use the selected window. SHOW non-nil means
show a cursor in WINDOW in the next redisplay. SHOW nil means
don't show a cursor. */)
- (window, show)
- Lisp_Object window, show;
+ (Lisp_Object window, Lisp_Object show)
{
/* Don't change cursor state while redisplaying. This could confuse
output routines. */
Sinternal_show_cursor_p, 0, 1, 0,
doc: /* Value is non-nil if next redisplay will display a cursor in WINDOW.
WINDOW nil or omitted means report on the selected window. */)
- (window)
- Lisp_Object window;
+ (Lisp_Object window)
{
struct window *w;
DEFUN ("last-nonminibuffer-frame", Flast_nonminibuf_frame,
Slast_nonminibuf_frame, 0, 0, 0,
doc: /* Value is last nonminibuffer frame. */)
- ()
+ (void)
{
Lisp_Object frame = Qnil;
Qredisplay_dont_pause = intern_c_string ("redisplay-dont-pause");
staticpro (&Qredisplay_dont_pause);
- DEFVAR_INT ("baud-rate", &baud_rate,
+ DEFVAR_INT ("baud-rate", baud_rate,
doc: /* *The output baud rate of the terminal.
On most systems, changing this value will affect the amount of padding
and the other strategic decisions made during redisplay. */);
- DEFVAR_BOOL ("inverse-video", &inverse_video,
+ DEFVAR_BOOL ("inverse-video", inverse_video,
doc: /* *Non-nil means invert the entire frame display.
This means everything is in inverse video which otherwise would not be. */);
- DEFVAR_BOOL ("visible-bell", &visible_bell,
+ DEFVAR_BOOL ("visible-bell", visible_bell,
doc: /* *Non-nil means try to flash the frame to represent a bell.
See also `ring-bell-function'. */);
- DEFVAR_BOOL ("no-redraw-on-reenter", &no_redraw_on_reenter,
+ DEFVAR_BOOL ("no-redraw-on-reenter", no_redraw_on_reenter,
doc: /* *Non-nil means no need to redraw entire frame after suspending.
A non-nil value is useful if the terminal can automatically preserve
Emacs's frame display when you reenter Emacs.
It is up to you to set this variable if your terminal can do that. */);
- DEFVAR_LISP ("initial-window-system", &Vinitial_window_system,
+ DEFVAR_LISP ("initial-window-system", Vinitial_window_system,
doc: /* Name of the window system that Emacs uses for the first frame.
-The value is a symbol--for instance, `x' for X windows.
-The value is nil if Emacs is using a text-only terminal. */);
+The value is a symbol:
+ nil for a termcap frame (a character-only terminal),
+ 'x' for an Emacs frame that is really an X window,
+ 'w32' for an Emacs frame that is a window on MS-Windows display,
+ 'ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
+ 'pc' for a direct-write MS-DOS frame.
+
+Use of this variable as a boolean is deprecated. Instead,
+use `display-graphic-p' or any of the other `display-*-p'
+predicates which report frame's specific UI-related capabilities. */);
DEFVAR_KBOARD ("window-system", Vwindow_system,
doc: /* Name of window system through which the selected frame is displayed.
-The value is a symbol--for instance, `x' for X windows.
-The value is nil if the selected frame is on a text-only-terminal. */);
-
- DEFVAR_LISP ("window-system-version", &Vwindow_system_version,
+The value is a symbol:
+ nil for a termcap frame (a character-only terminal),
+ 'x' for an Emacs frame that is really an X window,
+ 'w32' for an Emacs frame that is a window on MS-Windows display,
+ 'ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
+ 'pc' for a direct-write MS-DOS frame.
+
+Use of this variable as a boolean is deprecated. Instead,
+use `display-graphic-p' or any of the other `display-*-p'
+predicates which report frame's specific UI-related capabilities. */);
+
+ DEFVAR_LISP ("window-system-version", Vwindow_system_version,
doc: /* The version number of the window system in use.
For X windows, this is 11. */);
- DEFVAR_BOOL ("cursor-in-echo-area", &cursor_in_echo_area,
+ DEFVAR_BOOL ("cursor-in-echo-area", cursor_in_echo_area,
doc: /* Non-nil means put cursor in minibuffer, at end of any message there. */);
- DEFVAR_LISP ("glyph-table", &Vglyph_table,
+ DEFVAR_LISP ("glyph-table", Vglyph_table,
doc: /* Table defining how to output a glyph code to the frame.
If not nil, this is a vector indexed by glyph code to define the glyph.
Each element can be:
while outputting it. */);
Vglyph_table = Qnil;
- DEFVAR_LISP ("standard-display-table", &Vstandard_display_table,
+ DEFVAR_LISP ("standard-display-table", Vstandard_display_table,
doc: /* Display table to use for buffers that specify none.
See `buffer-display-table' for more information. */);
Vstandard_display_table = Qnil;
- DEFVAR_BOOL ("redisplay-dont-pause", &redisplay_dont_pause,
+ DEFVAR_BOOL ("redisplay-dont-pause", redisplay_dont_pause,
doc: /* *Non-nil means update isn't paused when input is detected. */);
redisplay_dont_pause = 0;
#if PERIODIC_PREEMPTION_CHECKING
- DEFVAR_LISP ("redisplay-preemption-period", &Vredisplay_preemption_period,
+ DEFVAR_LISP ("redisplay-preemption-period", Vredisplay_preemption_period,
doc: /* *The period in seconds between checking for input during redisplay.
If input is detected, redisplay is pre-empted, and the input is processed.
If nil, never pre-empt redisplay. */);
Vwindow_system_version = Qnil;
}
}
-
-/* arch-tag: 8d812b1f-04a2-4195-a9c4-381f8457a413
- (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff