/* Terminal control module for terminals described by TERMCAP
Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <config.h>
#include <stdio.h>
#include <ctype.h>
-#include <string.h>
#include <errno.h>
#include <sys/file.h>
-
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif
-
-#if HAVE_TERMIOS_H
-#include <termios.h> /* For TIOCNOTTY. */
-#endif
-
#include <signal.h>
#include <stdarg.h>
#include <setjmp.h>
extern int tgetflag (char *id);
extern int tgetnum (char *id);
+char *tparam (char *, char *, int, int, ...);
+
+extern char *tgetstr (char *, char **);
+
#include "cm.h"
#ifdef HAVE_X_WINDOWS
#include "xterm.h"
#define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0)
-/* If true, use "vs", otherwise use "ve" to make the cursor visible. */
-
-static int visible_cursor;
-
/* Display space properties */
-extern Lisp_Object Qspace, QCalign_to, QCwidth;
-
-/* Functions to call after suspending a tty. */
-Lisp_Object Vsuspend_tty_functions;
-
-/* Functions to call after resuming a tty. */
-Lisp_Object Vresume_tty_functions;
-
/* Chain of all tty device parameters. */
struct tty_display_info *tty_list;
-/* Nonzero means no need to redraw the entire frame on resuming a
- suspended Emacs. This is useful on terminals with multiple
- pages, where one page is used for Emacs and another for all
- else. */
-int no_redraw_on_reenter;
-
/* Meaning of bits in no_color_video. Each bit set means that the
corresponding attribute cannot be combined with colors. */
should not open a frame on stdout. */
static int no_controlling_tty;
-/* Provided for lisp packages. */
-
-static int system_uses_terminfo;
-
-char *tparam ();
-
-extern char *tgetstr (char *, char **);
\f
#ifdef HAVE_GPM
#include <sys/fcntl.h>
-static void term_clear_mouse_face (void);
-static void term_mouse_highlight (struct frame *f, int x, int y);
-
/* The device for which we have enabled gpm support (or NULL). */
struct tty_display_info *gpm_tty = NULL;
-/* These variables describe the range of text currently shown in its
- mouse-face, together with the window they apply to. As long as
- the mouse stays within this range, we need not redraw anything on
- its account. Rows and columns are glyph matrix positions in
- MOUSE_FACE_WINDOW. */
-static int mouse_face_beg_row, mouse_face_beg_col;
-static int mouse_face_end_row, mouse_face_end_col;
-static int mouse_face_past_end;
-static Lisp_Object mouse_face_window;
-static int mouse_face_face_id;
-
-static int pos_x, pos_y;
+/* Last recorded mouse coordinates. */
static int last_mouse_x, last_mouse_y;
#endif /* HAVE_GPM */
cmputc ('\n');
}
- OUTPUT_IF (tty, tty->TS_termcap_modes);
OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal);
OUTPUT_IF (tty, tty->TS_keypad_mode);
losecursor (tty);
if (src->u.cmp.automatic)
{
gstring = composition_gstring_from_id (src->u.cmp.id);
- required = src->u.cmp.to + 1 - src->u.cmp.from;
+ required = src->slice.cmp.to + 1 - src->slice.cmp.from;
}
else
{
}
if (src->u.cmp.automatic)
- for (i = src->u.cmp.from; i <= src->u.cmp.to; i++)
+ for (i = src->slice.cmp.from; i <= src->slice.cmp.to; i++)
{
Lisp_Object g = LGSTRING_GLYPH (gstring, i);
int c = LGLYPH_CHAR (g);
encode_terminal_src_size);
buf = encode_terminal_src + nbytes;
}
- if (char_charset (c, charset_list, NULL))
+ if (CHAR_BYTE8_P (c)
+ || char_charset (c, charset_list, NULL))
{
/* Store the multibyte form of C at BUF. */
buf += CHAR_STRING (c, buf);
}
else
{
- unsigned char *p = SDATA (string), *pend = p + SBYTES (string);
+ unsigned char *p = SDATA (string);
if (! STRING_MULTIBYTE (string))
string = string_to_multibyte (string);
not counting any line-dependent padding. */
int
-string_cost (char *str)
+string_cost (const char *str)
{
cost = 0;
if (str)
counting any line-dependent padding at one line. */
static int
-string_cost_one_line (char *str)
+string_cost_one_line (const char *str)
{
cost = 0;
if (str)
in tenths of characters. */
int
-per_line_cost (char *str)
+per_line_cost (const char *str)
{
cost = 0;
if (str)
return cost;
}
-#ifndef old
/* char_ins_del_cost[n] is cost of inserting N characters.
char_ins_del_cost[-n] is cost of deleting N characters.
The length of this vector is based on max_frame_cols. */
int *char_ins_del_vector;
#define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))])
-#endif
/* ARGSUSED */
static void
other keys (as on the IBM PC keyboard) they get overridden.
*/
-static struct fkey_table keys[] =
+static const struct fkey_table keys[] =
{
{"kh", "home"}, /* termcap */
{"kl", "left"}, /* termcap */
{"!3", "S-undo"} /*shifted undo key*/
};
+#ifndef DOS_NT
static char **term_get_fkeys_address;
static KBOARD *term_get_fkeys_kboard;
static Lisp_Object term_get_fkeys_1 (void);
function key specification, rather than giving the user an error and
refusing to run at all on such a terminal. */
- extern Lisp_Object Fidentity (Lisp_Object);
term_get_fkeys_address = address;
term_get_fkeys_kboard = kboard;
internal_condition_case (term_get_fkeys_1, Qerror, Fidentity);
return Qnil;
}
+#endif /* not DOS_NT */
\f
/***********************************************************************
Character Display Information
***********************************************************************/
-
-/* Avoid name clash with functions defined in xterm.c */
-#ifdef static
-#define append_glyph append_glyph_term
-#define produce_stretch_glyph produce_stretch_glyph_term
-#define append_composite_glyph append_composite_glyph_term
-#define produce_composite_glyph produce_composite_glyph_term
-#endif
-
static void append_glyph (struct it *);
static void produce_stretch_glyph (struct it *);
static void append_composite_glyph (struct it *);
static void produce_composite_glyph (struct it *);
+static void append_glyphless_glyph (struct it *, int, char *);
+static void produce_glyphless_glyph (struct it *, int, Lisp_Object);
/* Append glyphs to IT's glyph_row. Called from produce_glyphs for
terminal frames if IT->glyph_row != NULL. IT->char_to_display is
goto done;
}
- /* Maybe translate single-byte characters to multibyte. */
- it->char_to_display = it->c;
+ if (it->what == IT_GLYPHLESS)
+ {
+ produce_glyphless_glyph (it, 0, Qnil);
+ goto done;
+ }
- if (it->c >= 040 && it->c < 0177)
+ if (it->char_to_display >= 040 && it->char_to_display < 0177)
{
it->pixel_width = it->nglyphs = 1;
if (it->glyph_row)
append_glyph (it);
}
- else if (it->c == '\n')
+ else if (it->char_to_display == '\n')
it->pixel_width = it->nglyphs = 0;
- else if (it->c == '\t')
+ else if (it->char_to_display == '\t')
{
int absolute_x = (it->current_x
+ it->continuation_lines_width);
it->pixel_width = nspaces;
it->nglyphs = nspaces;
}
- else if (CHAR_BYTE8_P (it->c))
+ else if (CHAR_BYTE8_P (it->char_to_display))
{
- if (unibyte_display_via_language_environment
- && (it->c >= 0240))
+ /* Coming here means that we must send the raw 8-bit byte as is
+ to the terminal. Although there's no way to know how many
+ columns it occupies on a screen, it is a good assumption that
+ a single byte code has 1-column width. */
+ it->pixel_width = it->nglyphs = 1;
+ if (it->glyph_row)
+ append_glyph (it);
+ }
+ else
+ {
+ Lisp_Object charset_list = FRAME_TERMINAL (it->f)->charset_list;
+
+ if (char_charset (it->char_to_display, charset_list, NULL))
{
- it->char_to_display = BYTE8_TO_CHAR (it->c);
it->pixel_width = CHAR_WIDTH (it->char_to_display);
it->nglyphs = it->pixel_width;
if (it->glyph_row)
}
else
{
- /* Coming here means that it->c is from display table, thus
- we must send the raw 8-bit byte as is to the terminal.
- Although there's no way to know how many columns it
- occupies on a screen, it is a good assumption that a
- single byte code has 1-column width. */
- it->pixel_width = it->nglyphs = 1;
- if (it->glyph_row)
- append_glyph (it);
- }
- }
- else
- {
- it->pixel_width = CHAR_WIDTH (it->c);
- it->nglyphs = it->pixel_width;
+ Lisp_Object acronym = lookup_glyphless_char_display (-1, it);
- if (it->glyph_row)
- append_glyph (it);
+ xassert (it->what == IT_GLYPHLESS);
+ produce_glyphless_glyph (it, 1, acronym);
+ }
}
done:
{
glyph->u.cmp.automatic = 1;
glyph->u.cmp.id = it->cmp_it.id;
- glyph->u.cmp.from = it->cmp_it.from;
- glyph->u.cmp.to = it->cmp_it.to - 1;
+ glyph->slice.cmp.from = it->cmp_it.from;
+ glyph->slice.cmp.to = it->cmp_it.to - 1;
}
glyph->face_id = it->face_id;
static void
produce_composite_glyph (struct it *it)
{
- int c;
-
if (it->cmp_it.ch < 0)
{
struct composition *cmp = composition_table[it->cmp_it.id];
}
+/* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID
+ is a face ID to be used for the glyph. What is actually appended
+ are glyphs of type CHAR_GLYPH whose characters are in STR (which
+ comes from it->nglyphs bytes). */
+
+static void
+append_glyphless_glyph (struct it *it, int face_id, char *str)
+{
+ struct glyph *glyph, *end;
+ int i;
+
+ xassert (it->glyph_row);
+ glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area];
+ end = it->glyph_row->glyphs[1 + it->area];
+
+ /* If the glyph row is reversed, we need to prepend the glyph rather
+ than append it. */
+ if (it->glyph_row->reversed_p && it->area == TEXT_AREA)
+ {
+ struct glyph *g;
+ int move_by = it->pixel_width;
+
+ /* Make room for the new glyphs. */
+ if (move_by > end - glyph) /* don't overstep end of this area */
+ move_by = end - glyph;
+ for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--)
+ g[move_by] = *g;
+ glyph = it->glyph_row->glyphs[it->area];
+ end = glyph + move_by;
+ }
+
+ if (glyph >= end)
+ return;
+ glyph->type = CHAR_GLYPH;
+ glyph->pixel_width = 1;
+ glyph->face_id = face_id;
+ glyph->padding_p = 0;
+ glyph->charpos = CHARPOS (it->position);
+ glyph->object = it->object;
+ if (it->bidi_p)
+ {
+ glyph->resolved_level = it->bidi_it.resolved_level;
+ if ((it->bidi_it.type & 7) != it->bidi_it.type)
+ abort ();
+ glyph->bidi_type = it->bidi_it.type;
+ }
+ else
+ {
+ glyph->resolved_level = 0;
+ glyph->bidi_type = UNKNOWN_BT;
+ }
+
+ /* BIDI Note: we put the glyphs of characters left to right, even in
+ the REVERSED_P case because we write to the terminal
+ left-to-right. */
+ for (i = 0; i < it->nglyphs && glyph < end; ++i)
+ {
+ if (i > 0)
+ glyph[0] = glyph[-1];
+ glyph->u.ch = str[i];
+ ++it->glyph_row->used[it->area];
+ ++glyph;
+ }
+}
+
+/* Produce glyphs for a glyphless character for iterator IT.
+ IT->glyphless_method specifies which method to use for displaying
+ the character. See the description of enum
+ glyphless_display_method in dispextern.h for the details.
+
+ FOR_NO_FONT is nonzero if and only if this is for a character that
+ is not supproted by the coding system of the terminal. ACRONYM, if
+ non-nil, is an acronym string for the character.
+
+ The glyphs actually produced are of type CHAR_GLYPH. */
+
+static void
+produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym)
+{
+ int face_id;
+ int len;
+ char buf[9], *str = " ";
+
+ /* Get a face ID for the glyph by utilizing a cache (the same way as
+ done for `escape-glyph' in get_next_display_element). */
+ if (it->f == last_glyphless_glyph_frame
+ && it->face_id == last_glyphless_glyph_face_id)
+ {
+ face_id = last_glyphless_glyph_merged_face_id;
+ }
+ else
+ {
+ /* Merge the `glyphless-char' face into the current face. */
+ face_id = merge_faces (it->f, Qglyphless_char, 0, it->face_id);
+ last_glyphless_glyph_frame = it->f;
+ last_glyphless_glyph_face_id = it->face_id;
+ last_glyphless_glyph_merged_face_id = face_id;
+ }
+
+ if (it->glyphless_method == GLYPHLESS_DISPLAY_THIN_SPACE)
+ {
+ /* As there's no way to produce a thin space, we produce a space
+ of canonical width. */
+ len = 1;
+ }
+ else if (it->glyphless_method == GLYPHLESS_DISPLAY_EMPTY_BOX)
+ {
+ len = CHAR_WIDTH (it->c);
+ if (len == 0)
+ len = 1;
+ else if (len > 4)
+ len = 4;
+ sprintf (buf, "[%.*s]", len, str);
+ len += 2;
+ str = buf;
+ }
+ else
+ {
+ if (it->glyphless_method == GLYPHLESS_DISPLAY_ACRONYM)
+ {
+ if (! STRINGP (acronym) && CHAR_TABLE_P (Vglyphless_char_display))
+ acronym = CHAR_TABLE_REF (Vglyphless_char_display, it->c);
+ buf[0] = '[';
+ str = STRINGP (acronym) ? (char *) SDATA (acronym) : "";
+ for (len = 0; len < 6 && str[len] && ASCII_BYTE_P (str[len]); len++)
+ buf[1 + len] = str[len];
+ buf[1 + len] = ']';
+ len += 2;
+ }
+ else
+ {
+ xassert (it->glyphless_method == GLYPHLESS_DISPLAY_HEX_CODE);
+ len = (it->c < 0x10000 ? sprintf (buf, "\\u%04X", it->c)
+ : it->c <= MAX_UNICODE_CHAR ? sprintf (buf, "\\U%06X", it->c)
+ : sprintf (buf, "\\x%06X", it->c));
+ }
+ str = buf;
+ }
+
+ it->pixel_width = len;
+ it->nglyphs = len;
+ if (len > 0 && it->glyph_row)
+ append_glyphless_glyph (it, face_id, str);
+}
+
+
/* Get information about special display element WHAT in an
environment described by IT. WHAT is one of IT_TRUNCATION or
IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a
else
abort ();
- temp_it.c = GLYPH_CHAR (glyph);
+ temp_it.c = temp_it.char_to_display = GLYPH_CHAR (glyph);
temp_it.face_id = GLYPH_FACE (glyph);
temp_it.len = CHAR_BYTES (temp_it.c);
Lisp_Object tem, val;
Lisp_Object color_mode;
int mode;
- extern Lisp_Object Qtty_color_mode;
Lisp_Object tty_color_mode_alist
= Fintern_soft (build_string ("tty-color-mode-alist"), Qnil);
Returns NULL if the named terminal device is not opened. */
struct terminal *
-get_named_tty (char *name)
+get_named_tty (const char *name)
{
struct terminal *t;
}
reset_sys_modes (t->display_info.tty);
-
-#ifdef subprocesses
delete_keyboard_wait_descriptor (fileno (f));
-#endif
#ifndef MSDOS
fclose (f);
t->display_info.tty->input = t->display_info.tty->output;
#endif
-#ifdef subprocesses
add_keyboard_wait_descriptor (fd);
-#endif
if (FRAMEP (t->display_info.tty->top_frame))
{
last_mouse_y = y; */
}
-static void
-term_show_mouse_face (enum draw_glyphs_face draw)
+/* Implementation of draw_row_with_mouse_face for TTY/GPM. */
+void
+tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row,
+ int start_hpos, int end_hpos,
+ enum draw_glyphs_face draw)
{
- struct window *w = XWINDOW (mouse_face_window);
- int save_x, save_y;
- int i;
-
- struct frame *f = XFRAME (w->frame);
+ int nglyphs = end_hpos - start_hpos;
+ struct frame *f = XFRAME (WINDOW_FRAME (w));
struct tty_display_info *tty = FRAME_TTY (f);
+ int face_id = tty->mouse_highlight.mouse_face_face_id;
+ int save_x, save_y, pos_x, pos_y;
- if (/* If window is in the process of being destroyed, don't bother
- to do anything. */
- w->current_matrix != NULL
- /* Recognize when we are called to operate on rows that don't exist
- anymore. This can happen when a window is split. */
- && mouse_face_end_row < w->current_matrix->nrows)
- {
- /* write_glyphs writes at cursor position, so we need to
- temporarily move cursor coordinates to the beginning of
- the highlight region. */
-
- /* Save current cursor co-ordinates */
- save_y = curY (tty);
- save_x = curX (tty);
-
- /* Note that mouse_face_beg_row etc. are window relative. */
- for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++)
- {
- int start_hpos, end_hpos, nglyphs;
- struct glyph_row *row = MATRIX_ROW (w->current_matrix, i);
-
- /* Don't do anything if row doesn't have valid contents. */
- if (!row->enabled_p)
- continue;
-
- /* For all but the first row, the highlight starts at column 0. */
- if (i == mouse_face_beg_row)
- start_hpos = mouse_face_beg_col;
- else
- start_hpos = 0;
-
- if (i == mouse_face_end_row)
- end_hpos = mouse_face_end_col;
- else
- {
- end_hpos = row->used[TEXT_AREA];
- if (draw == DRAW_NORMAL_TEXT)
- row->fill_line_p = 1; /* Clear to end of line */
- }
-
- if (end_hpos <= start_hpos)
- continue;
- /* Record that some glyphs of this row are displayed in
- mouse-face. */
- row->mouse_face_p = draw > 0;
-
- nglyphs = end_hpos - start_hpos;
-
- if (end_hpos >= row->used[TEXT_AREA])
- nglyphs = row->used[TEXT_AREA] - start_hpos;
-
- pos_y = row->y + WINDOW_TOP_EDGE_Y (w);
- pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos
- + WINDOW_LEFT_EDGE_X (w);
-
- cursor_to (f, pos_y, pos_x);
-
- if (draw == DRAW_MOUSE_FACE)
- {
- tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos,
- nglyphs, mouse_face_face_id);
- }
- else /* draw == DRAW_NORMAL_TEXT */
- write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs);
- }
- cursor_to (f, save_y, save_x);
- }
-}
-
-static void
-term_clear_mouse_face (void)
-{
- if (!NILP (mouse_face_window))
- term_show_mouse_face (DRAW_NORMAL_TEXT);
-
- mouse_face_beg_row = mouse_face_beg_col = -1;
- mouse_face_end_row = mouse_face_end_col = -1;
- mouse_face_window = Qnil;
-}
-
-/* Find the glyph matrix position of buffer position POS in window W.
- *HPOS and *VPOS are set to the positions found. W's current glyphs
- must be up to date. If POS is above window start return (0, 0).
- If POS is after end of W, return end of last line in W.
- - taken from msdos.c */
-static int
-fast_find_position (struct window *w, int pos, int *hpos, int *vpos)
-{
- int i, lastcol, line_start_position, maybe_next_line_p = 0;
- int yb = window_text_bottom_y (w);
- struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row;
-
- while (row->y < yb)
- {
- if (row->used[TEXT_AREA])
- line_start_position = row->glyphs[TEXT_AREA]->charpos;
- else
- line_start_position = 0;
-
- if (line_start_position > pos)
- break;
- /* If the position sought is the end of the buffer,
- don't include the blank lines at the bottom of the window. */
- else if (line_start_position == pos
- && pos == BUF_ZV (XBUFFER (w->buffer)))
- {
- maybe_next_line_p = 1;
- break;
- }
- else if (line_start_position > 0)
- best_row = row;
-
- /* Don't overstep the last matrix row, lest we get into the
- never-never land... */
- if (row->y + 1 >= yb)
- break;
-
- ++row;
- }
-
- /* Find the right column within BEST_ROW. */
- lastcol = 0;
- row = best_row;
- for (i = 0; i < row->used[TEXT_AREA]; i++)
- {
- struct glyph *glyph = row->glyphs[TEXT_AREA] + i;
- int charpos;
-
- charpos = glyph->charpos;
- if (charpos == pos)
- {
- *hpos = i;
- *vpos = row->y;
- return 1;
- }
- else if (charpos > pos)
- break;
- else if (charpos > 0)
- lastcol = i;
- }
-
- /* If we're looking for the end of the buffer,
- and we didn't find it in the line we scanned,
- use the start of the following line. */
- if (maybe_next_line_p)
- {
- ++row;
- lastcol = 0;
- }
-
- *vpos = row->y;
- *hpos = lastcol + 1;
- return 0;
-}
-
-static void
-term_mouse_highlight (struct frame *f, int x, int y)
-{
- enum window_part part;
- Lisp_Object window;
- struct window *w;
- struct buffer *b;
-
- if (NILP (Vmouse_highlight)
- || !f->glyphs_initialized_p)
- return;
-
- /* Which window is that in? */
- window = window_from_coordinates (f, x, y, &part, &x, &y, 0);
-
- /* Not on a window -> return. */
- if (!WINDOWP (window))
- return;
-
- if (!EQ (window, mouse_face_window))
- term_clear_mouse_face ();
-
- w = XWINDOW (window);
-
- /* Are we in a window whose display is up to date?
- And verify the buffer's text has not changed. */
- b = XBUFFER (w->buffer);
- if (part == ON_TEXT
- && EQ (w->window_end_valid, w->buffer)
- && XFASTINT (w->last_modified) == BUF_MODIFF (b)
- && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b))
- {
- int pos, i, nrows = w->current_matrix->nrows;
- struct glyph_row *row;
- struct glyph *glyph;
+ if (end_hpos >= row->used[TEXT_AREA])
+ nglyphs = row->used[TEXT_AREA] - start_hpos;
- /* Find the glyph under X/Y. */
- glyph = NULL;
- if (y >= 0 && y < nrows)
- {
- row = MATRIX_ROW (w->current_matrix, y);
- /* Give up if some row before the one we are looking for is
- not enabled. */
- for (i = 0; i <= y; i++)
- if (!MATRIX_ROW (w->current_matrix, i)->enabled_p)
- break;
- if (i > y /* all rows upto and including the one at Y are enabled */
- && row->displays_text_p
- && x < window_box_width (w, TEXT_AREA))
- {
- glyph = row->glyphs[TEXT_AREA];
- if (x >= row->used[TEXT_AREA])
- glyph = NULL;
- else
- {
- glyph += x;
- if (!BUFFERP (glyph->object))
- glyph = NULL;
- }
- }
- }
+ pos_y = row->y + WINDOW_TOP_EDGE_Y (w);
+ pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w);
- /* Clear mouse face if X/Y not over text. */
- if (glyph == NULL)
- {
- term_clear_mouse_face ();
- return;
- }
-
- if (!BUFFERP (glyph->object))
- abort ();
- pos = glyph->charpos;
-
- /* Check for mouse-face. */
- {
- extern Lisp_Object Qmouse_face;
- Lisp_Object mouse_face, overlay, position, *overlay_vec;
- int noverlays, obegv, ozv;
- struct buffer *obuf;
-
- /* If we get an out-of-range value, return now; avoid an error. */
- if (pos > BUF_Z (b))
- return;
-
- /* Make the window's buffer temporarily current for
- overlays_at and compute_char_face. */
- obuf = current_buffer;
- current_buffer = b;
- obegv = BEGV;
- ozv = ZV;
- BEGV = BEG;
- ZV = Z;
-
- /* Is this char mouse-active? */
- XSETINT (position, pos);
-
- /* Put all the overlays we want in a vector in overlay_vec. */
- GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0);
- /* Sort overlays into increasing priority order. */
- noverlays = sort_overlays (overlay_vec, noverlays, w);
-
- /* Check mouse-face highlighting. */
- if (!(EQ (window, mouse_face_window)
- && y >= mouse_face_beg_row
- && y <= mouse_face_end_row
- && (y > mouse_face_beg_row
- || x >= mouse_face_beg_col)
- && (y < mouse_face_end_row
- || x < mouse_face_end_col
- || mouse_face_past_end)))
- {
- /* Clear the display of the old active region, if any. */
- term_clear_mouse_face ();
-
- /* Find the highest priority overlay that has a mouse-face
- property. */
- overlay = Qnil;
- for (i = noverlays - 1; i >= 0; --i)
- {
- mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face);
- if (!NILP (mouse_face))
- {
- overlay = overlay_vec[i];
- break;
- }
- }
-
- /* If no overlay applies, get a text property. */
- if (NILP (overlay))
- mouse_face = Fget_text_property (position, Qmouse_face,
- w->buffer);
-
- /* Handle the overlay case. */
- if (!NILP (overlay))
- {
- /* Find the range of text around this char that
- should be active. */
- Lisp_Object before, after;
- EMACS_INT ignore;
-
-
- before = Foverlay_start (overlay);
- after = Foverlay_end (overlay);
- /* Record this as the current active region. */
- fast_find_position (w, XFASTINT (before),
- &mouse_face_beg_col,
- &mouse_face_beg_row);
-
- mouse_face_past_end
- = !fast_find_position (w, XFASTINT (after),
- &mouse_face_end_col,
- &mouse_face_end_row);
- mouse_face_window = window;
-
- mouse_face_face_id
- = face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1, 1, -1);
-
- /* Display it as active. */
- term_show_mouse_face (DRAW_MOUSE_FACE);
- }
- /* Handle the text property case. */
- else if (!NILP (mouse_face))
- {
- /* Find the range of text around this char that
- should be active. */
- Lisp_Object before, after, beginning, end;
- EMACS_INT ignore;
-
- beginning = Fmarker_position (w->start);
- XSETINT (end, (BUF_Z (b) - XFASTINT (w->window_end_pos)));
- before
- = Fprevious_single_property_change (make_number (pos + 1),
- Qmouse_face,
- w->buffer, beginning);
- after
- = Fnext_single_property_change (position, Qmouse_face,
- w->buffer, end);
-
- /* Record this as the current active region. */
- fast_find_position (w, XFASTINT (before),
- &mouse_face_beg_col,
- &mouse_face_beg_row);
- mouse_face_past_end
- = !fast_find_position (w, XFASTINT (after),
- &mouse_face_end_col,
- &mouse_face_end_row);
- mouse_face_window = window;
-
- mouse_face_face_id
- = face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1, 1, -1);
-
- /* Display it as active. */
- term_show_mouse_face (DRAW_MOUSE_FACE);
- }
- }
-
- /* Look for a `help-echo' property. */
- {
- Lisp_Object help;
- extern Lisp_Object Qhelp_echo;
-
- /* Check overlays first. */
- help = Qnil;
- for (i = noverlays - 1; i >= 0 && NILP (help); --i)
- {
- overlay = overlay_vec[i];
- help = Foverlay_get (overlay, Qhelp_echo);
- }
+ /* Save current cursor co-ordinates. */
+ save_y = curY (tty);
+ save_x = curX (tty);
+ cursor_to (f, pos_y, pos_x);
- if (!NILP (help))
- {
- help_echo_string = help;
- help_echo_window = window;
- help_echo_object = overlay;
- help_echo_pos = pos;
- }
- /* Try text properties. */
- else if (NILP (help)
- && ((STRINGP (glyph->object)
- && glyph->charpos >= 0
- && glyph->charpos < SCHARS (glyph->object))
- || (BUFFERP (glyph->object)
- && glyph->charpos >= BEGV
- && glyph->charpos < ZV)))
- {
- help = Fget_text_property (make_number (glyph->charpos),
- Qhelp_echo, glyph->object);
- if (!NILP (help))
- {
- help_echo_string = help;
- help_echo_window = window;
- help_echo_object = glyph->object;
- help_echo_pos = glyph->charpos;
- }
- }
- }
+ if (draw == DRAW_MOUSE_FACE)
+ tty_write_glyphs_with_face (f, row->glyphs[TEXT_AREA] + start_hpos,
+ nglyphs, face_id);
+ else if (draw == DRAW_NORMAL_TEXT)
+ write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs);
- BEGV = obegv;
- ZV = ozv;
- current_buffer = obuf;
- }
- }
+ cursor_to (f, save_y, save_x);
}
static int
if (event->x != last_mouse_x || event->y != last_mouse_y)
{
frame->mouse_moved = 1;
- term_mouse_highlight (frame, event->x, event->y);
+ note_mouse_highlight (frame, event->x, event->y);
/* Remember which glyph we're now on. */
last_mouse_x = event->x;
last_mouse_y = event->y;
dissociate_if_controlling_tty (int fd)
{
#ifndef DOS_NT
- int pgid;
- EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */
+ int pgid = tcgetpgrp (fd); /* If tcgetpgrp succeeds, fd is the ctty. */
if (pgid != -1)
{
-#if defined (USG)
+#if defined (USG5)
setpgrp ();
no_controlling_tty = 1;
#elif defined (CYGWIN)
If MUST_SUCCEED is true, then all errors are fatal. */
struct terminal *
-init_tty (char *name, char *terminal_type, int must_succeed)
+init_tty (const char *name, const char *terminal_type, int must_succeed)
{
char *area = NULL;
char **address = &area;
tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm));
Wcm_clear (tty);
+ encode_terminal_src_size = 0;
+ encode_terminal_dst_size = 0;
+
+#ifdef HAVE_GPM
+ terminal->mouse_position_hook = term_mouse_position;
+ tty->mouse_highlight.mouse_face_window = Qnil;
+#endif
+
+
#ifndef DOS_NT
set_tty_hooks (terminal);
add_keyboard_wait_descriptor (fileno (tty->input));
-#endif /* !DOS_NT */
-
- encode_terminal_src_size = 0;
- encode_terminal_dst_size = 0;
-
-#ifdef HAVE_GPM
- terminal->mouse_position_hook = term_mouse_position;
- mouse_face_window = Qnil;
-#endif
-
-#ifdef DOS_NT
-#ifdef WINDOWSNT
- initialize_w32_display (terminal);
-#else /* MSDOS */
- if (strcmp (terminal_type, "internal") == 0)
- terminal->type = output_msdos_raw;
- initialize_msdos_display (terminal);
-#endif /* MSDOS */
- tty->output = stdout;
- tty->input = stdin;
- /* The following two are inaccessible from w32console.c. */
- terminal->delete_frame_hook = &tty_free_frame_resources;
- terminal->delete_terminal_hook = &delete_tty;
-
- tty->name = xstrdup (name);
- terminal->name = xstrdup (name);
- tty->type = xstrdup (terminal_type);
-
-#ifdef subprocesses
- add_keyboard_wait_descriptor (0);
-#endif
-
- Wcm_clear (tty);
-
-#ifdef WINDOWSNT
- {
- struct frame *f = XFRAME (selected_frame);
-
- FrameRows (tty) = FRAME_LINES (f);
- FrameCols (tty) = FRAME_COLS (f);
- tty->specified_window = FRAME_LINES (f);
-
- FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
- FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
- }
-#else /* MSDOS */
- {
- int height, width;
- get_tty_size (fileno (tty->input), &width, &height);
- FrameCols (tty) = width;
- FrameRows (tty) = height;
- }
-#endif /* MSDOS */
- tty->delete_in_insert_mode = 1;
-
- UseTabs (tty) = 0;
- terminal->scroll_region_ok = 0;
-
- /* Seems to insert lines when it's not supposed to, messing up the
- display. In doing a trace, it didn't seem to be called much, so I
- don't think we're losing anything by turning it off. */
- terminal->line_ins_del_ok = 0;
-#ifdef WINDOWSNT
- terminal->char_ins_del_ok = 1;
- baud_rate = 19200;
-#else /* MSDOS */
- terminal->char_ins_del_ok = 0;
- init_baud_rate (fileno (tty->input));
-#endif /* MSDOS */
-
- tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */
-
-#else /* not DOS_NT */
-
Wcm_clear (tty);
tty->termcap_term_buffer = (char *) xmalloc (buffer_size);
tty->TF_underscore = tgetflag ("ul");
tty->TF_teleray = tgetflag ("xt");
-#endif /* !DOS_NT */
+#else /* DOS_NT */
+#ifdef WINDOWSNT
+ {
+ struct frame *f = XFRAME (selected_frame);
+
+ initialize_w32_display (terminal);
+
+ FrameRows (tty) = FRAME_LINES (f);
+ FrameCols (tty) = FRAME_COLS (f);
+ tty->specified_window = FRAME_LINES (f);
+
+ FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
+ FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
+ terminal->char_ins_del_ok = 1;
+ baud_rate = 19200;
+ }
+#else /* MSDOS */
+ {
+ int height, width;
+ if (strcmp (terminal_type, "internal") == 0)
+ terminal->type = output_msdos_raw;
+ initialize_msdos_display (terminal);
+
+ get_tty_size (fileno (tty->input), &width, &height);
+ FrameCols (tty) = width;
+ FrameRows (tty) = height;
+ terminal->char_ins_del_ok = 0;
+ init_baud_rate (fileno (tty->input));
+ }
+#endif /* MSDOS */
+ tty->output = stdout;
+ tty->input = stdin;
+ /* The following two are inaccessible from w32console.c. */
+ terminal->delete_frame_hook = &tty_free_frame_resources;
+ terminal->delete_terminal_hook = &delete_tty;
+
+ tty->name = xstrdup (name);
+ terminal->name = xstrdup (name);
+ tty->type = xstrdup (terminal_type);
+
+ add_keyboard_wait_descriptor (0);
+
+ tty->delete_in_insert_mode = 1;
+
+ UseTabs (tty) = 0;
+ terminal->scroll_region_ok = 0;
+
+ /* Seems to insert lines when it's not supposed to, messing up the
+ display. In doing a trace, it didn't seem to be called much, so I
+ don't think we're losing anything by turning it off. */
+ terminal->line_ins_del_ok = 0;
+
+ tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */
+#endif /* DOS_NT */
+
terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
init_kboard (terminal->kboard);
terminal->kboard->Vwindow_system = Qnil;
if (tty->input)
{
-#ifdef subprocesses
delete_keyboard_wait_descriptor (fileno (tty->input));
-#endif
if (tty->input != stdin)
fclose (tty->input);
}
void
syms_of_term (void)
{
- DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo,
+ DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo,
doc: /* Non-nil means the system uses terminfo rather than termcap.
This variable can be used by terminal emulator packages. */);
#ifdef TERMINFO
system_uses_terminfo = 0;
#endif
- DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions,
+ DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions,
doc: /* Functions to be run after suspending a tty.
The functions are run with one argument, the terminal object to be suspended.
See `suspend-tty'. */);
Vsuspend_tty_functions = Qnil;
- DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions,
+ DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions,
doc: /* Functions to be run after resuming a tty.
The functions are run with one argument, the terminal object that was revived.
See `resume-tty'. */);
Vresume_tty_functions = Qnil;
- DEFVAR_BOOL ("visible-cursor", &visible_cursor,
+ DEFVAR_BOOL ("visible-cursor", visible_cursor,
doc: /* Non-nil means to make the cursor very visible.
This only has an effect when running in a text terminal.
What means \"very visible\" is up to your terminal. It may make the cursor
#ifdef HAVE_GPM
defsubr (&Sgpm_mouse_start);
defsubr (&Sgpm_mouse_stop);
-
- staticpro (&mouse_face_window);
#endif /* HAVE_GPM */
#ifndef DOS_NT
encode_terminal_dst = NULL;
}
-
-
-/* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193
- (do not change this comment) */