-/* terminal control module for terminals described by TERMCAP
- Copyright (C) 1985, 86, 87, 93, 94, 95 Free Software Foundation, Inc.
+/* Terminal control module for terminals described by TERMCAP
+ Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001,
+ 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
+/* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */
#include <config.h>
#include <stdio.h>
#include <ctype.h>
+#include <string.h>
+
#include "termchar.h"
#include "termopts.h"
-#undef NULL
#include "lisp.h"
#include "charset.h"
#include "coding.h"
+#include "keyboard.h"
#include "frame.h"
#include "disptab.h"
#include "termhooks.h"
-#include "keyboard.h"
#include "dispextern.h"
+#include "window.h"
+#include "keymap.h"
+
+/* For now, don't try to include termcap.h. On some systems,
+ configure finds a non-standard termcap.h that the main build
+ won't find. */
+
+#if defined HAVE_TERMCAP_H && 0
+#include <termcap.h>
+#else
+extern void tputs P_ ((const char *, int, int (*)(int)));
+extern int tgetent P_ ((char *, const char *));
+extern int tgetflag P_ ((char *id));
+extern int tgetnum P_ ((char *id));
+#endif
+
#include "cm.h"
#ifdef HAVE_X_WINDOWS
#include "xterm.h"
#endif
+#ifdef MAC_OS
+#include "macterm.h"
+#endif
-#define max(a, b) ((a) > (b) ? (a) : (b))
-#define min(a, b) ((a) < (b) ? (a) : (b))
+static void turn_on_face P_ ((struct frame *, int face_id));
+static void turn_off_face P_ ((struct frame *, int face_id));
+static void tty_show_cursor P_ ((void));
+static void tty_hide_cursor P_ ((void));
-#define OUTPUT(a) tputs (a, (int) (FRAME_HEIGHT (selected_frame) - curY), cmputc)
+#define OUTPUT(a) \
+ tputs (a, (int) (FRAME_LINES (XFRAME (selected_frame)) - curY), cmputc)
#define OUTPUT1(a) tputs (a, 1, cmputc)
#define OUTPUTL(a, lines) tputs (a, lines, cmputc)
-#define OUTPUT_IF(a) { if (a) tputs (a, (int) (FRAME_HEIGHT (selected_frame) - curY), cmputc); }
-#define OUTPUT1_IF(a) { if (a) tputs (a, 1, cmputc); }
+
+#define OUTPUT_IF(a) \
+ do { \
+ if (a) \
+ tputs (a, (int) (FRAME_LINES (XFRAME (selected_frame)) \
+ - curY), cmputc); \
+ } while (0)
+
+#define OUTPUT1_IF(a) do { if (a) tputs (a, 1, cmputc); } while (0)
+
+/* Display space properties */
+
+extern Lisp_Object Qspace, QCalign_to, QCwidth;
/* Function to use to ring the bell. */
+
Lisp_Object Vring_bell_function;
+/* If true, use "vs", otherwise use "ve" to make the cursor visible. */
+
+static int visible_cursor;
+
/* Terminal characteristics that higher levels want to look at.
These are all extern'd in termchar.h */
/* 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;
/* Hook functions that you can set to snap out the functions in this file.
void (*cursor_to_hook) P_ ((int, int));
void (*raw_cursor_to_hook) P_ ((int, int));
-
void (*clear_to_end_hook) P_ ((void));
void (*clear_frame_hook) P_ ((void));
void (*clear_end_of_line_hook) P_ ((int));
void (*ins_del_lines_hook) P_ ((int, int));
-void (*change_line_highlight_hook) P_ ((int, int, int));
-void (*reassert_line_highlight_hook) P_ ((int, int));
-
-void (*insert_glyphs_hook) P_ ((GLYPH *, int));
-void (*write_glyphs_hook) P_ ((GLYPH *, int));
void (*delete_glyphs_hook) P_ ((int));
void (*ring_bell_hook) P_ ((void));
void (*update_begin_hook) P_ ((struct frame *));
void (*update_end_hook) P_ ((struct frame *));
void (*set_terminal_window_hook) P_ ((int));
+void (*insert_glyphs_hook) P_ ((struct glyph *, int));
+void (*write_glyphs_hook) P_ ((struct glyph *, int));
+void (*delete_glyphs_hook) P_ ((int));
-int (*read_socket_hook) P_ ((int, struct input_event *, int, int));
+int (*read_socket_hook) P_ ((int, int, struct input_event *));
void (*frame_up_to_date_hook) P_ ((struct frame *));
This should clear mouse_moved until the next motion
event arrives. */
+
void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist,
Lisp_Object *bar_window,
enum scroll_bar_part *part,
unsigned long *time));
/* When reading from a minibuffer in a different frame, Emacs wants
- to shift the highlight from the selected frame to the minibuffer's
+ to shift the highlight from the selected frame to the mini-buffer's
frame; under X, this means it lies about where the focus is.
This hook tells the window system code to re-decide where to put
the highlight. */
+
void (*frame_rehighlight_hook) P_ ((FRAME_PTR f));
/* If we're displaying frames using a window system that can stack
If RAISE is non-zero, F is brought to the front, before all other
windows. If RAISE is zero, F is sent to the back, behind all other
windows. */
+
void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise));
/* Set the vertical scroll bar for WINDOW to have its upper left corner
indicate that we are displaying PORTION characters out of a total
of WHOLE characters, starting at POSITION. If WINDOW doesn't yet
have a scroll bar, create one for it. */
+
void (*set_vertical_scroll_bar_hook)
P_ ((struct window *window,
int portion, int whole, int position));
/* Arrange for all scroll bars on FRAME to be removed at the next call
to `*judge_scroll_bars_hook'. A scroll bar may be spared if
- `*redeem_scroll_bar_hook' is applied to its window before the judgement.
+ `*redeem_scroll_bar_hook' is applied to its window before the judgment.
This should be applied to each frame each time its window tree is
redisplayed, even if it is not displaying scroll bars at the moment;
If non-zero, this hook should be safe to apply to any frame,
whether or not it can support scroll bars, and whether or not it is
currently displaying them. */
+
void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame));
/* Unmark WINDOW's scroll bar for deletion in this judgement cycle.
Note that it's okay to redeem a scroll bar that is not condemned. */
+
void (*redeem_scroll_bar_hook) P_ ((struct window *window));
/* Remove all scroll bars on FRAME that haven't been saved since the
- last call to `*condemn_scroll_bars_hook'.
+ last call to `*condemn_scroll_bars_hook'.
This should be applied to each frame after each time its window
tree is redisplayed, even if it is not displaying scroll bars at the
If non-zero, this hook should be safe to apply to any frame,
whether or not it can support scroll bars, and whether or not it is
currently displaying them. */
-void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME));
+void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME));
/* Strings, numbers and flags taken from the termcap entry. */
-char *TS_end_italic_mode; /* termcap "ae" */
char *TS_ins_line; /* "al" */
-char *TS_italic_mode; /* "as" */
char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */
char *TS_bell; /* "bl" */
char *TS_clr_to_bottom; /* "cd" */
char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */
char *TS_end_keypad_mode; /* "ke" */
char *TS_keypad_mode; /* "ks" */
-char *TS_bold_mode; /* "md" */
-char *TS_end_bold_mode; /* "me" */
char *TS_pad_char; /* "pc", char to use as padding */
char *TS_repeat; /* "rp" (2 params, # times to repeat
and character to be repeated) */
char *TS_rev_scroll; /* "sr" */
char *TS_end_termcap_modes; /* "te" */
char *TS_termcap_modes; /* "ti" */
-char *TS_end_underscore_mode; /* "ue" */
-char *TS_underscore_mode; /* "us" */
char *TS_visible_bell; /* "vb" */
-char *TS_end_visual_mode; /* "ve" */
-char *TS_visual_mode; /* "vi" */
+char *TS_cursor_normal; /* "ve" */
+char *TS_cursor_visible; /* "vs" */
+char *TS_cursor_invisible; /* "vi" */
char *TS_set_window; /* "wi" (4 params, start and end of window,
each as vpos and hpos) */
+/* Value of the "NC" (no_color_video) capability, or 0 if not
+ present. */
+
+static int TN_no_color_video;
+
+/* Meaning of bits in no_color_video. Each bit set means that the
+ corresponding attribute cannot be combined with colors. */
+
+enum no_color_bit
+{
+ NC_STANDOUT = 1 << 0,
+ NC_UNDERLINE = 1 << 1,
+ NC_REVERSE = 1 << 2,
+ NC_BLINK = 1 << 3,
+ NC_DIM = 1 << 4,
+ NC_BOLD = 1 << 5,
+ NC_INVIS = 1 << 6,
+ NC_PROTECT = 1 << 7,
+ NC_ALT_CHARSET = 1 << 8
+};
+
+/* "md" -- turn on bold (extra bright mode). */
+
+char *TS_enter_bold_mode;
+
+/* "mh" -- turn on half-bright mode. */
+
+char *TS_enter_dim_mode;
+
+/* "mb" -- enter blinking mode. */
+
+char *TS_enter_blink_mode;
+
+/* "mr" -- enter reverse video mode. */
+
+char *TS_enter_reverse_mode;
+
+/* "us"/"ue" -- start/end underlining. */
+
+char *TS_exit_underline_mode, *TS_enter_underline_mode;
+
+/* "as"/"ae" -- start/end alternate character set. Not really
+ supported, yet. */
+
+char *TS_enter_alt_charset_mode, *TS_exit_alt_charset_mode;
+
+/* "me" -- switch appearances off. */
+
+char *TS_exit_attribute_mode;
+
+/* "Co" -- number of colors. */
+
+int TN_max_colors;
+
+/* "pa" -- max. number of color pairs on screen. Not handled yet.
+ Could be a problem if not equal to TN_max_colors * TN_max_colors. */
+
+int TN_max_pairs;
+
+/* "op" -- SVr4 set default pair to its original value. */
+
+char *TS_orig_pair;
+
+/* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color.
+ 1 param, the color index. */
+
+char *TS_set_foreground, *TS_set_background;
+
int TF_hazeltine; /* termcap hz flag. */
int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */
int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */
-int TF_underscore; /* termcap ul flag: _ underlines if overstruck on
- nonblank position. Must clear before writing _. */
+int TF_underscore; /* termcap ul flag: _ underlines if over-struck on
+ non-blank position. Must clear before writing _. */
int TF_teleray; /* termcap xt flag: many weird consequences.
For t1061. */
-int TF_xs; /* Nonzero for "xs". If set together with
- TN_standout_width == 0, it means don't bother
- to write any end-standout cookies. */
-
-int TN_standout_width; /* termcap sg number: width occupied by standout
- markers */
-
static int RPov; /* # chars to start a TS_repeat */
static int delete_in_insert_mode; /* delete mode == insert mode */
/* internal state */
/* The largest frame width in any call to calculate_costs. */
-int max_frame_width;
-/* The largest frame height in any call to calculate_costs. */
-int max_frame_height;
-/* Number of chars of space used for standout marker at beginning of line,
- or'd with 0100. Zero if no standout marker at all.
- The length of these vectors is max_frame_height.
+int max_frame_cols;
- Used IFF TN_standout_width >= 0. */
+/* The largest frame height in any call to calculate_costs. */
-static char *chars_wasted;
-static char *copybuf;
+int max_frame_lines;
-/* nonzero means supposed to write text in standout mode. */
-int standout_requested;
+static int costs_set; /* Nonzero if costs have been calculated. */
int insert_mode; /* Nonzero when in insert mode. */
int standout_mode; /* Nonzero when in standout mode. */
This is the number of lines, from the top of frame downwards,
which can participate in insert-line/delete-line operations.
- Effectively it excludes the bottom frame_height - specified_window_size
+ Effectively it excludes the bottom frame_lines - specified_window_size
lines from those operations. */
int specified_window;
FRAME_PTR updating_frame;
/* Provided for lisp packages. */
+
static int system_uses_terminfo;
+/* Flag used in tty_show/hide_cursor. */
+
+static int tty_cursor_hidden;
+
char *tparam ();
extern char *tgetstr ();
void
ring_bell ()
{
- if (! NILP (Vring_bell_function))
+ if (!NILP (Vring_bell_function))
{
Lisp_Object function;
We don't specbind it, because that would carefully
restore the bad value if there's an error
and make the loop of errors happen anyway. */
+
function = Vring_bell_function;
Vring_bell_function = Qnil;
call0 (function);
Vring_bell_function = function;
- return;
- }
-
- if (! FRAME_TERMCAP_P (selected_frame))
- {
- (*ring_bell_hook) ();
- return;
}
- OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell);
+ else if (!FRAME_TERMCAP_P (XFRAME (selected_frame)))
+ (*ring_bell_hook) ();
+ else
+ OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell);
}
void
set_terminal_modes ()
{
- if (! FRAME_TERMCAP_P (selected_frame))
+ if (FRAME_TERMCAP_P (XFRAME (selected_frame)))
{
- (*set_terminal_modes_hook) ();
- return;
+ if (TS_termcap_modes)
+ OUTPUT (TS_termcap_modes);
+ else
+ {
+ /* Output enough newlines to scroll all the old screen contents
+ off the screen, so it won't be overwritten and lost. */
+ int i;
+ for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++)
+ putchar ('\n');
+ }
+
+ OUTPUT_IF (visible_cursor ? TS_cursor_visible : TS_cursor_normal);
+ OUTPUT_IF (TS_keypad_mode);
+ losecursor ();
}
- OUTPUT_IF (TS_termcap_modes);
- OUTPUT_IF (TS_visual_mode);
- OUTPUT_IF (TS_keypad_mode);
- losecursor ();
+ else
+ (*set_terminal_modes_hook) ();
}
void
reset_terminal_modes ()
{
- if (! FRAME_TERMCAP_P (selected_frame))
+ if (FRAME_TERMCAP_P (XFRAME (selected_frame)))
{
- if (reset_terminal_modes_hook)
- (*reset_terminal_modes_hook) ();
- return;
+ turn_off_highlight ();
+ turn_off_insert ();
+ OUTPUT_IF (TS_end_keypad_mode);
+ OUTPUT_IF (TS_cursor_normal);
+ OUTPUT_IF (TS_end_termcap_modes);
+ OUTPUT_IF (TS_orig_pair);
+ /* Output raw CR so kernel can track the cursor hpos. */
+ cmputc ('\r');
}
- if (TN_standout_width < 0)
- turn_off_highlight ();
- turn_off_insert ();
- OUTPUT_IF (TS_end_keypad_mode);
- OUTPUT_IF (TS_end_visual_mode);
- OUTPUT_IF (TS_end_termcap_modes);
- /* Output raw CR so kernel can track the cursor hpos. */
- /* But on magic-cookie terminals this can erase an end-standout marker and
- cause the rest of the frame to be in standout, so move down first. */
- if (TN_standout_width >= 0)
- cmputc ('\n');
- cmputc ('\r');
+ else if (reset_terminal_modes_hook)
+ (*reset_terminal_modes_hook) ();
}
void
update_begin (f)
- FRAME_PTR f;
+ struct frame *f;
{
updating_frame = f;
- if (! FRAME_TERMCAP_P (updating_frame))
- (*update_begin_hook) (f);
+ if (!FRAME_TERMCAP_P (f))
+ update_begin_hook (f);
}
void
update_end (f)
- FRAME_PTR f;
+ struct frame *f;
{
- if (! FRAME_TERMCAP_P (updating_frame))
+ if (FRAME_TERMCAP_P (f))
{
- (*update_end_hook) (f);
- updating_frame = 0;
- return;
+ if (!XWINDOW (selected_window)->cursor_off_p)
+ tty_show_cursor ();
+ turn_off_insert ();
+ background_highlight ();
}
- turn_off_insert ();
- background_highlight ();
- standout_requested = 0;
- updating_frame = 0;
+ else
+ update_end_hook (f);
+
+ updating_frame = NULL;
}
void
set_terminal_window (size)
int size;
{
- if (! FRAME_TERMCAP_P (updating_frame))
+ if (FRAME_TERMCAP_P (updating_frame))
{
- (*set_terminal_window_hook) (size);
- return;
+ specified_window = size ? size : FRAME_LINES (updating_frame);
+ if (scroll_region_ok)
+ set_scroll_region (0, specified_window);
}
- specified_window = size ? size : FRAME_HEIGHT (selected_frame);
- if (!scroll_region_ok)
- return;
- set_scroll_region (0, specified_window);
+ else
+ set_terminal_window_hook (size);
}
void
int start, stop;
{
char *buf;
+ struct frame *sf = XFRAME (selected_frame);
+
if (TS_set_scroll_region)
- {
- buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1);
- }
+ buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1);
else if (TS_set_scroll_region_1)
- {
- buf = tparam (TS_set_scroll_region_1, 0, 0,
- FRAME_HEIGHT (selected_frame), start,
- FRAME_HEIGHT (selected_frame) - stop,
- FRAME_HEIGHT (selected_frame));
- }
+ buf = tparam (TS_set_scroll_region_1, 0, 0,
+ FRAME_LINES (sf), start,
+ FRAME_LINES (sf) - stop,
+ FRAME_LINES (sf));
else
- {
- buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (selected_frame));
- }
+ buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (sf));
+
OUTPUT (buf);
xfree (buf);
losecursor ();
}
+
\f
-void
+static void
turn_on_insert ()
{
if (!insert_mode)
insert_mode = 0;
}
\f
-/* Handle highlighting when TN_standout_width (termcap sg) is not specified.
- In these terminals, output is affected by the value of standout
- mode when the output is written.
-
- These functions are called on all terminals, but do nothing
- on terminals whose standout mode does not work that way. */
+/* Handle highlighting. */
void
turn_off_highlight ()
{
- if (TN_standout_width < 0)
- {
- if (standout_mode)
- OUTPUT_IF (TS_end_standout_mode);
- standout_mode = 0;
- }
+ if (standout_mode)
+ OUTPUT_IF (TS_end_standout_mode);
+ standout_mode = 0;
}
-void
+static void
turn_on_highlight ()
{
- if (TN_standout_width < 0)
- {
- if (!standout_mode)
- OUTPUT_IF (TS_standout_mode);
- standout_mode = 1;
- }
+ if (!standout_mode)
+ OUTPUT_IF (TS_standout_mode);
+ standout_mode = 1;
}
-/* Set standout mode to the state it should be in for
- empty space inside windows. What this is,
- depends on the user option inverse-video. */
-
-void
-background_highlight ()
-{
- if (TN_standout_width >= 0)
- return;
- if (inverse_video)
- turn_on_highlight ();
- else
- turn_off_highlight ();
-}
-
-/* Set standout mode to the mode specified for the text to be output. */
-
static void
-highlight_if_desired ()
+toggle_highlight ()
{
- if (TN_standout_width >= 0)
- return;
- if (!inverse_video == !standout_requested)
+ if (standout_mode)
turn_off_highlight ();
else
turn_on_highlight ();
}
-\f
-/* Handle standout mode for terminals in which TN_standout_width >= 0.
- On these terminals, standout is controlled by markers that
- live inside the terminal's memory. TN_standout_width is the width
- that the marker occupies in memory. Standout runs from the marker
- to the end of the line on some terminals, or to the next
- turn-off-standout marker (TS_end_standout_mode) string
- on other terminals. */
-/* Write a standout marker or end-standout marker at the front of the line
- at vertical position vpos. */
-void
-write_standout_marker (flag, vpos)
- int flag, vpos;
+/* Make cursor invisible. */
+
+static void
+tty_hide_cursor ()
{
- if (flag || (TS_end_standout_mode && !TF_teleray && !se_is_so
- && !(TF_xs && TN_standout_width == 0)))
+ if (tty_cursor_hidden == 0)
{
- cmgoto (vpos, 0);
- cmplus (TN_standout_width);
- OUTPUT (flag ? TS_standout_mode : TS_end_standout_mode);
- chars_wasted[curY] = TN_standout_width | 0100;
+ tty_cursor_hidden = 1;
+ OUTPUT_IF (TS_cursor_invisible);
}
}
-\f
-/* External interface to control of standout mode.
- Call this when about to modify line at position VPOS
- and not change whether it is highlighted. */
-void
-reassert_line_highlight (highlight, vpos)
- int highlight;
- int vpos;
+
+/* Ensure that cursor is visible. */
+
+static void
+tty_show_cursor ()
{
- if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame)))
+ if (tty_cursor_hidden)
{
- (*reassert_line_highlight_hook) (highlight, vpos);
- return;
+ tty_cursor_hidden = 0;
+ OUTPUT_IF (TS_cursor_normal);
+ if (visible_cursor)
+ OUTPUT_IF (TS_cursor_visible);
}
- if (TN_standout_width < 0)
- /* Handle terminals where standout takes affect at output time */
- standout_requested = highlight;
- else if (chars_wasted[vpos] == 0)
- /* For terminals with standout markers, write one on this line
- if there isn't one already. */
- write_standout_marker (highlight, vpos);
}
-/* Call this when about to modify line at position VPOS
- and change whether it is highlighted. */
+
+/* Set standout mode to the state it should be in for
+ empty space inside windows. What this is,
+ depends on the user option inverse-video. */
void
-change_line_highlight (new_highlight, vpos, first_unused_hpos)
- int new_highlight, vpos, first_unused_hpos;
+background_highlight ()
{
- standout_requested = new_highlight;
- if (! FRAME_TERMCAP_P (updating_frame))
- {
- (*change_line_highlight_hook) (new_highlight, vpos, first_unused_hpos);
- return;
- }
+ if (inverse_video)
+ turn_on_highlight ();
+ else
+ turn_off_highlight ();
+}
- cursor_to (vpos, 0);
+/* Set standout mode to the mode specified for the text to be output. */
- if (TN_standout_width < 0)
- background_highlight ();
- /* If line starts with a marker, delete the marker */
- else if (TS_clr_line && chars_wasted[curY])
- {
- turn_off_insert ();
- /* On Teleray, make sure to erase the SO marker. */
- if (TF_teleray)
- {
- cmgoto (curY - 1, FRAME_WIDTH (selected_frame) - 4);
- OUTPUT ("\033S");
- curY++; /* ESC S moves to next line where the TS_standout_mode was */
- curX = 0;
- }
- else
- cmgoto (curY, 0); /* reposition to kill standout marker */
- }
- clear_end_of_line_raw (first_unused_hpos);
- reassert_line_highlight (new_highlight, curY);
+static void
+highlight_if_desired ()
+{
+ if (inverse_video)
+ turn_on_highlight ();
+ else
+ turn_off_highlight ();
}
\f
-/* Move to absolute position, specified origin 0 */
+/* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are
+ frame-relative coordinates. */
void
-cursor_to (row, col)
- int row, col;
+cursor_to (vpos, hpos)
+ int vpos, hpos;
{
- if (! FRAME_TERMCAP_P ((updating_frame
- ? updating_frame
- : selected_frame))
- && cursor_to_hook)
+ struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame);
+
+ if (! FRAME_TERMCAP_P (f) && cursor_to_hook)
{
- (*cursor_to_hook) (row, col);
+ (*cursor_to_hook) (vpos, hpos);
return;
}
/* Detect the case where we are called from reset_sys_modes
and the costs have never been calculated. Do nothing. */
- if (chars_wasted == 0)
+ if (! costs_set)
return;
- col += chars_wasted[row] & 077;
- if (curY == row && curX == col)
+ if (curY == vpos && curX == hpos)
return;
if (!TF_standout_motion)
background_highlight ();
if (!TF_insmode_motion)
turn_off_insert ();
- cmgoto (row, col);
+ cmgoto (vpos, hpos);
}
/* Similar but don't take any account of the wasted characters. */
raw_cursor_to (row, col)
int row, col;
{
- if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame)))
+ struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame);
+ if (! FRAME_TERMCAP_P (f))
{
(*raw_cursor_to_hook) (row, col);
return;
{
background_highlight ();
OUTPUT (TS_clr_to_bottom);
- bzero (chars_wasted + curY, FRAME_HEIGHT (selected_frame) - curY);
}
else
{
- for (i = curY; i < FRAME_HEIGHT (selected_frame); i++)
+ for (i = curY; i < FRAME_LINES (XFRAME (selected_frame)); i++)
{
cursor_to (i, 0);
- clear_end_of_line_raw (FRAME_WIDTH (selected_frame));
+ clear_end_of_line (FRAME_COLS (XFRAME (selected_frame)));
}
}
}
void
clear_frame ()
{
+ struct frame *sf = XFRAME (selected_frame);
+
if (clear_frame_hook
- && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame)))
+ && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : sf)))
{
(*clear_frame_hook) ();
return;
{
background_highlight ();
OUTPUT (TS_clr_frame);
- bzero (chars_wasted, FRAME_HEIGHT (selected_frame));
cmat (0, 0);
}
else
}
}
-/* Clear to end of line, but do not clear any standout marker.
- Assumes that the cursor is positioned at a character of real text,
- which implies it cannot be before a standout marker
- unless the marker has zero width.
-
- Note that the cursor may be moved. */
-
-void
-clear_end_of_line (first_unused_hpos)
- int first_unused_hpos;
-{
- static GLYPH buf = SPACEGLYPH;
- if (FRAME_TERMCAP_P (selected_frame)
- && chars_wasted != 0
- && TN_standout_width == 0 && curX == 0 && chars_wasted[curY] != 0)
- write_glyphs (&buf, 1);
- clear_end_of_line_raw (first_unused_hpos);
-}
-
/* Clear from cursor to end of line.
Assume that the line is already clear starting at column first_unused_hpos.
- If the cursor is at a standout marker, erase the marker.
Note that the cursor may be moved, on terminals lacking a `ce' string. */
void
-clear_end_of_line_raw (first_unused_hpos)
+clear_end_of_line (first_unused_hpos)
int first_unused_hpos;
{
register int i;
if (clear_end_of_line_hook
&& ! FRAME_TERMCAP_P ((updating_frame
? updating_frame
- : selected_frame)))
+ : XFRAME (selected_frame))))
{
(*clear_end_of_line_hook) (first_unused_hpos);
return;
/* Detect the case where we are called from reset_sys_modes
and the costs have never been calculated. Do nothing. */
- if (chars_wasted == 0)
+ if (! costs_set)
return;
- first_unused_hpos += chars_wasted[curY] & 077;
if (curX >= first_unused_hpos)
return;
- /* Notice if we are erasing a magic cookie */
- if (curX == 0)
- chars_wasted[curY] = 0;
background_highlight ();
if (TS_clr_line)
{
}
else
{ /* have to do it the hard way */
+ struct frame *sf = XFRAME (selected_frame);
turn_off_insert ();
- /* Do not write in last row last col with Autowrap on. */
- if (AutoWrap && curY == FRAME_HEIGHT (selected_frame) - 1
- && first_unused_hpos == FRAME_WIDTH (selected_frame))
+ /* Do not write in last row last col with Auto-wrap on. */
+ if (AutoWrap && curY == FRAME_LINES (sf) - 1
+ && first_unused_hpos == FRAME_COLS (sf))
first_unused_hpos--;
for (i = curX; i < first_unused_hpos; i++)
}
}
\f
-/* Encode SRC_LEN glyphs starting at SRC to terminal output codes and
- store them at DST. Do not write more than DST_LEN bytes. That may
- require stopping before all SRC_LEN input glyphs have been
- converted.
-
- We store the number of glyphs actually converted in *CONSUMED. The
- return value is the number of bytes store in DST. */
-
-int
-encode_terminal_code (src, dst, src_len, dst_len, consumed)
- GLYPH *src;
+/* Buffer to store the source and result of code conversion for terminal. */
+static unsigned char *encode_terminal_buf;
+/* Allocated size of the above buffer. */
+static int encode_terminal_bufsize;
+
+/* Encode SRC_LEN glyphs starting at SRC to terminal output codes.
+ Set CODING->produced to the byte-length of the resulting byte
+ sequence, and return a pointer to that byte sequence. */
+
+unsigned char *
+encode_terminal_code (src, src_len, coding)
+ struct glyph *src;
int src_len;
- unsigned char *dst;
- int dst_len, *consumed;
+ struct coding_system *coding;
{
- GLYPH *src_start = src, *src_end = src + src_len;
- unsigned char *dst_start = dst, *dst_end = dst + dst_len;
+ struct glyph *src_end = src + src_len;
register GLYPH g;
- unsigned int c;
- unsigned char workbuf[4], *buf;
- int len;
+ unsigned char *buf;
+ int nchars, nbytes, required;
register int tlen = GLYPH_TABLE_LENGTH;
register Lisp_Object *tbase = GLYPH_TABLE_BASE;
- struct coding_system *coding;
- coding = (CODING_REQUIRE_ENCODING (&terminal_coding)
- ? &terminal_coding
- : &safe_terminal_coding);
+ /* Allocate sufficient size of buffer to store all characters in
+ multibyte-form. But, it may be enlarged on demand if
+ Vglyph_table contains a string. */
+ required = MAX_MULTIBYTE_LENGTH * src_len;
+ if (encode_terminal_bufsize < required)
+ {
+ if (encode_terminal_bufsize == 0)
+ encode_terminal_buf = xmalloc (required);
+ else
+ encode_terminal_buf = xrealloc (encode_terminal_buf, required);
+ encode_terminal_bufsize = required;
+ }
+ buf = encode_terminal_buf;
+ nchars = 0;
while (src < src_end)
{
- g = *src;
/* We must skip glyphs to be padded for a wide character. */
- if (! (g & GLYPH_MASK_PADDING))
+ if (! CHAR_GLYPH_PADDING_P (*src))
{
- if ((c = GLYPH_CHAR (selected_frame, g)) > MAX_CHAR)
- {
- c = ' ';
- g = MAKE_GLYPH (selected_frame, c,
- GLYPH_FACE (selected_frame, g));
- }
- if (COMPOSITE_CHAR_P (c))
+ g = GLYPH_FROM_CHAR_GLYPH (src[0]);
+
+ if (g < 0 || g >= tlen)
{
- /* If C is a composite character, we can display
- only the first component. */
- g = cmpchar_table[COMPOSITE_CHAR_ID (c)]->glyph[0],
- c = GLYPH_CHAR (selected_frame, g);
+ /* This glyph doesn't has an entry in Vglyph_table. */
+ if (CHAR_VALID_P (src->u.ch, 0))
+ buf += CHAR_STRING (src->u.ch, buf);
+ else
+ *buf++ = SPACEGLYPH;
+ nchars++;
}
- if (c < tlen)
+ else
{
- /* G has an entry in Vglyph_table,
+ /* This glyph has an entry in Vglyph_table,
so process any alias before testing for simpleness. */
GLYPH_FOLLOW_ALIASES (tbase, tlen, g);
- c = GLYPH_CHAR (selected_frame, g);
- }
- if (GLYPH_SIMPLE_P (tbase, tlen, g))
- /* We set the multi-byte form of C at BUF. */
- len = CHAR_STRING (c, workbuf, buf);
- else
- {
- /* We have a string in Vglyph_table. */
- len = GLYPH_LENGTH (tbase, g);
- buf = GLYPH_STRING (tbase, g);
+
+ if (GLYPH_SIMPLE_P (tbase, tlen, g))
+ {
+ int c = FAST_GLYPH_CHAR (g);
+
+ if (CHAR_VALID_P (c, 0))
+ buf += CHAR_STRING (c, buf);
+ else
+ *buf++ = SPACEGLYPH;
+ nchars++;
+ }
+ else
+ {
+ /* We have a string in Vglyph_table. */
+ Lisp_Object string;
+
+ string = tbase[g];
+ if (! STRING_MULTIBYTE (string))
+ string = string_to_multibyte (string);
+ nbytes = buf - encode_terminal_buf;
+ if (encode_terminal_bufsize < nbytes + SBYTES (string))
+ {
+ encode_terminal_bufsize = nbytes + SBYTES (string);
+ encode_terminal_buf = xrealloc (encode_terminal_buf,
+ encode_terminal_bufsize);
+ buf = encode_terminal_buf + nbytes;
+ }
+ bcopy (SDATA (string), buf, SBYTES (string));
+ buf += SBYTES (string);
+ nchars += SCHARS (string);
+ }
}
-
- encode_coding (coding, buf, dst, len, dst_end - dst);
- if (coding->consumed < len)
- /* We get a carryover because the remaining output
- buffer is too short. We must break the loop here
- without increasing SRC so that the next call of
- this function start from the same glyph. */
- break;
- dst += coding->produced;
}
src++;
}
- *consumed = src - src_start;
- return (dst - dst_start);
-}
+ nbytes = buf - encode_terminal_buf;
+ coding->src_multibyte = 1;
+ coding->dst_multibyte = 0;
+ if (SYMBOLP (coding->pre_write_conversion)
+ && ! NILP (Ffboundp (coding->pre_write_conversion)))
+ {
+ run_pre_write_conversin_on_c_str (&encode_terminal_buf,
+ &encode_terminal_bufsize,
+ nchars, nbytes, coding);
+ nchars = coding->produced_char;
+ nbytes = coding->produced;
+ }
+ required = nbytes + encoding_buffer_size (coding, nbytes);
+ if (encode_terminal_bufsize < required)
+ {
+ encode_terminal_bufsize = required;
+ encode_terminal_buf = xrealloc (encode_terminal_buf, required);
+ }
+
+ encode_coding (coding, encode_terminal_buf, encode_terminal_buf + nbytes,
+ nbytes, encode_terminal_bufsize - nbytes);
+ return encode_terminal_buf + nbytes;
+}
void
write_glyphs (string, len)
- register GLYPH *string;
+ register struct glyph *string;
register int len;
{
- register GLYPH g;
- register int tlen = GLYPH_TABLE_LENGTH;
- register Lisp_Object *tbase = GLYPH_TABLE_BASE;
- int produced, consumed;
+ struct frame *sf = XFRAME (selected_frame);
+ struct frame *f = updating_frame ? updating_frame : sf;
+ unsigned char *conversion_buffer;
+ struct coding_system *coding;
if (write_glyphs_hook
- && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame)))
+ && ! FRAME_TERMCAP_P (f))
{
(*write_glyphs_hook) (string, len);
return;
}
- highlight_if_desired ();
turn_off_insert ();
+ tty_hide_cursor ();
- /* Don't dare write in last column of bottom line, if AutoWrap,
+ /* Don't dare write in last column of bottom line, if Auto-Wrap,
since that would scroll the whole frame on some terminals. */
if (AutoWrap
- && curY + 1 == FRAME_HEIGHT (selected_frame)
- && (curX + len - (chars_wasted[curY] & 077)
- == FRAME_WIDTH (selected_frame)))
+ && curY + 1 == FRAME_LINES (sf)
+ && (curX + len) == FRAME_COLS (sf))
len --;
if (len <= 0)
return;
cmplus (len);
+
+ /* If terminal_coding does any conversion, use it, otherwise use
+ safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here
+ because it always return 1 if the member src_multibyte is 1. */
+ coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK
+ ? &terminal_coding : &safe_terminal_coding);
/* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
the tail. */
- terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK;
+ coding->mode &= ~CODING_MODE_LAST_BLOCK;
+
while (len > 0)
{
- /* We use shared conversion buffer of the current size (1024
- bytes at least). Usually it is sufficient, but if not, we
- just repeat the loop. */
- produced = encode_terminal_code (string, conversion_buffer,
- len, conversion_buffer_size, &consumed);
- if (produced > 0)
- {
- fwrite (conversion_buffer, 1, produced, stdout);
- if (ferror (stdout))
- clearerr (stdout);
- if (termscript)
- fwrite (conversion_buffer, 1, produced, termscript);
- }
- len -= consumed;
- string += consumed;
- }
- /* We may have to output some codes to terminate the writing. */
- if (CODING_REQUIRE_FLUSHING (&terminal_coding))
- {
- terminal_coding.mode |= CODING_MODE_LAST_BLOCK;
- encode_coding (&terminal_coding, (char *)0, conversion_buffer,
- 0, conversion_buffer_size);
- if (terminal_coding.produced > 0)
+ /* Identify a run of glyphs with the same face. */
+ int face_id = string->face_id;
+ int n;
+
+ for (n = 1; n < len; ++n)
+ if (string[n].face_id != face_id)
+ break;
+
+ /* Turn appearance modes of the face of the run on. */
+ highlight_if_desired ();
+ turn_on_face (f, face_id);
+
+ if (n == len)
+ /* This is the last run. */
+ coding->mode |= CODING_MODE_LAST_BLOCK;
+ conversion_buffer = encode_terminal_code (string, n, coding);
+ if (coding->produced > 0)
{
- fwrite (conversion_buffer, 1, terminal_coding.produced, stdout);
+ fwrite (conversion_buffer, 1, coding->produced, stdout);
if (ferror (stdout))
clearerr (stdout);
if (termscript)
- fwrite (conversion_buffer, 1, terminal_coding.produced,
- termscript);
+ fwrite (conversion_buffer, 1, coding->produced, termscript);
}
+ len -= n;
+ string += n;
+
+ /* Turn appearance modes off. */
+ turn_off_face (f, face_id);
+ turn_off_highlight ();
}
+
cmcheckmagic ();
}
/* If start is zero, insert blanks instead of a string at start */
-
+
void
insert_glyphs (start, len)
- register GLYPH *start;
+ register struct glyph *start;
register int len;
{
char *buf;
- GLYPH g;
- register int tlen = GLYPH_TABLE_LENGTH;
- register Lisp_Object *tbase = GLYPH_TABLE_BASE;
+ struct glyph *glyph = NULL;
+ struct frame *f, *sf;
+ unsigned char *conversion_buffer;
+ unsigned char space[1];
+ struct coding_system *coding;
if (len <= 0)
return;
- if (insert_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame))
+ if (insert_glyphs_hook)
{
(*insert_glyphs_hook) (start, len);
return;
}
- highlight_if_desired ();
+
+ sf = XFRAME (selected_frame);
+ f = updating_frame ? updating_frame : sf;
if (TS_ins_multi_chars)
{
turn_on_insert ();
cmplus (len);
- /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */
- terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK;
+
+ if (! start)
+ space[0] = SPACEGLYPH;
+
+ /* If terminal_coding does any conversion, use it, otherwise use
+ safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here
+ because it always return 1 if the member src_multibyte is 1. */
+ coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK
+ ? &terminal_coding : &safe_terminal_coding);
+ /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
+ the tail. */
+ coding->mode &= ~CODING_MODE_LAST_BLOCK;
+
while (len-- > 0)
{
- int produced, consumed;
-
OUTPUT1_IF (TS_ins_char);
if (!start)
- g = SPACEGLYPH;
+ {
+ conversion_buffer = space;
+ coding->produced = 1;
+ }
else
{
- g = *start++;
+ highlight_if_desired ();
+ turn_on_face (f, start->face_id);
+ glyph = start;
+ ++start;
/* We must open sufficient space for a character which
occupies more than one column. */
- while (*start & GLYPH_MASK_PADDING)
+ while (len && CHAR_GLYPH_PADDING_P (*start))
{
OUTPUT1_IF (TS_ins_char);
start++, len--;
}
- }
- if (len <= 0)
- /* This is the last glyph. */
- terminal_coding.mode |= CODING_MODE_LAST_BLOCK;
+ if (len <= 0)
+ /* This is the last glyph. */
+ coding->mode |= CODING_MODE_LAST_BLOCK;
+
+ conversion_buffer = encode_terminal_code (glyph, 1, coding);
+ }
- /* We use shared conversion buffer of the current size (1024
- bytes at least). It is surely sufficient for just one glyph. */
- produced = encode_terminal_code (&g, conversion_buffer,
- 1, conversion_buffer_size, &consumed);
- if (produced > 0)
+ if (coding->produced > 0)
{
- fwrite (conversion_buffer, 1, produced, stdout);
+ fwrite (conversion_buffer, 1, coding->produced, stdout);
if (ferror (stdout))
clearerr (stdout);
if (termscript)
- fwrite (conversion_buffer, 1, produced, termscript);
+ fwrite (conversion_buffer, 1, coding->produced, termscript);
}
OUTPUT1_IF (TS_pad_inserted_char);
+ if (start)
+ {
+ turn_off_face (f, glyph->face_id);
+ turn_off_highlight ();
+ }
}
+
cmcheckmagic ();
}
char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines;
char *single = n > 0 ? TS_ins_line : TS_del_line;
char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll;
+ struct frame *sf;
register int i = n > 0 ? n : -n;
register char *buf;
return;
}
+ sf = XFRAME (selected_frame);
+
/* If the lines below the insertion are being pushed
into the end of the window, this is the same as clearing;
and we know the lines are already clear, since the matching
as there will be a matching inslines later that will flush them. */
if (scroll_region_ok && vpos + i >= specified_window)
return;
- if (!memory_below_frame && vpos + i >= FRAME_HEIGHT (selected_frame))
+ if (!memory_below_frame && vpos + i >= FRAME_LINES (sf))
return;
if (multi)
set_scroll_region (0, specified_window);
}
- if (TN_standout_width >= 0)
- {
- register int lower_limit
- = (scroll_region_ok
- ? specified_window
- : FRAME_HEIGHT (selected_frame));
-
- if (n < 0)
- {
- bcopy (&chars_wasted[vpos - n], &chars_wasted[vpos],
- lower_limit - vpos + n);
- bzero (&chars_wasted[lower_limit + n], - n);
- }
- else
- {
- bcopy (&chars_wasted[vpos], ©buf[vpos], lower_limit - vpos - n);
- bcopy (©buf[vpos], &chars_wasted[vpos + n],
- lower_limit - vpos - n);
- bzero (&chars_wasted[vpos], n);
- }
- }
if (!scroll_region_ok && memory_below_frame && n < 0)
{
- cursor_to (FRAME_HEIGHT (selected_frame) + n, 0);
+ cursor_to (FRAME_LINES (sf) + n, 0);
clear_to_end ();
}
}
#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_width. */
+ 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_WIDTH ((f))])
+#define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))])
#endif
/* ARGSUSED */
/* Delete costs are at negative offsets */
p = &char_ins_del_cost (frame)[0];
- for (i = FRAME_WIDTH (frame); --i >= 0;)
+ for (i = FRAME_COLS (frame); --i >= 0;)
*--p = (del_startup_cost += del_cost_per_char);
/* Doing nothing is free */
*p++ = 0;
/* Insert costs are at positive offsets */
- for (i = FRAME_WIDTH (frame); --i >= 0;)
+ for (i = FRAME_COLS (frame); --i >= 0;)
*p++ = (ins_startup_cost += ins_cost_per_char);
}
FRAME_COST_BAUD_RATE (frame) = baud_rate;
scroll_region_cost = string_cost (f);
-#ifdef HAVE_X_WINDOWS
- if (FRAME_X_P (frame))
- {
- do_line_insertion_deletion_costs (frame, 0, ".5*", 0, ".5*",
- 0, 0,
- x_screen_planes (frame));
- scroll_region_cost = 0;
- return;
- }
-#endif
/* These variables are only used for terminal stuff. They are allocated
once for the terminal frame of X-windows emacs, but not used afterwards.
char_ins_del_vector (i.e., char_ins_del_cost) isn't used because
- X turns off char_ins_del_ok.
+ X turns off char_ins_del_ok. */
- chars_wasted and copybuf are only used here in term.c in cases where
- the term hook isn't called. */
+ max_frame_lines = max (max_frame_lines, FRAME_LINES (frame));
+ max_frame_cols = max (max_frame_cols, FRAME_COLS (frame));
- max_frame_height = max (max_frame_height, FRAME_HEIGHT (frame));
- max_frame_width = max (max_frame_width, FRAME_WIDTH (frame));
-
- if (chars_wasted != 0)
- chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height);
- else
- chars_wasted = (char *) xmalloc (max_frame_height);
-
- if (copybuf != 0)
- copybuf = (char *) xrealloc (copybuf, max_frame_height);
- else
- copybuf = (char *) xmalloc (max_frame_height);
+ costs_set = 1;
if (char_ins_del_vector != 0)
char_ins_del_vector
= (int *) xrealloc (char_ins_del_vector,
(sizeof (int)
- + 2 * max_frame_width * sizeof (int)));
+ + 2 * max_frame_cols * sizeof (int)));
else
char_ins_del_vector
= (int *) xmalloc (sizeof (int)
- + 2 * max_frame_width * sizeof (int));
+ + 2 * max_frame_cols * sizeof (int));
- bzero (chars_wasted, max_frame_height);
- bzero (copybuf, max_frame_height);
bzero (char_ins_del_vector, (sizeof (int)
- + 2 * max_frame_width * sizeof (int)));
+ + 2 * max_frame_cols * sizeof (int)));
if (f && (!TS_ins_line && !TS_del_line))
do_line_insertion_deletion_costs (frame,
if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000)
RPov = string_cost (TS_repeat);
else
- RPov = FRAME_WIDTH (frame) * 2;
+ RPov = FRAME_COLS (frame) * 2;
cmcostinit (); /* set up cursor motion costs */
}
other keys (as on the IBM PC keyboard) they get overridden.
*/
-static struct fkey_table keys[] = {
- "kh", "home", /* termcap */
- "kl", "left", /* termcap */
- "ku", "up", /* termcap */
- "kr", "right", /* termcap */
- "kd", "down", /* termcap */
- "%8", "prior", /* terminfo */
- "%5", "next", /* terminfo */
- "@7", "end", /* terminfo */
- "@1", "begin", /* terminfo */
- "*6", "select", /* terminfo */
- "%9", "print", /* terminfo */
- "@4", "execute", /* terminfo --- actually the `command' key */
+static struct fkey_table keys[] =
+{
+ {"kh", "home"}, /* termcap */
+ {"kl", "left"}, /* termcap */
+ {"ku", "up"}, /* termcap */
+ {"kr", "right"}, /* termcap */
+ {"kd", "down"}, /* termcap */
+ {"%8", "prior"}, /* terminfo */
+ {"%5", "next"}, /* terminfo */
+ {"@7", "end"}, /* terminfo */
+ {"@1", "begin"}, /* terminfo */
+ {"*6", "select"}, /* terminfo */
+ {"%9", "print"}, /* terminfo */
+ {"@4", "execute"}, /* terminfo --- actually the `command' key */
/*
* "insert" --- see below
*/
- "&8", "undo", /* terminfo */
- "%0", "redo", /* terminfo */
- "%7", "menu", /* terminfo --- actually the `options' key */
- "@0", "find", /* terminfo */
- "@2", "cancel", /* terminfo */
- "%1", "help", /* terminfo */
+ {"&8", "undo"}, /* terminfo */
+ {"%0", "redo"}, /* terminfo */
+ {"%7", "menu"}, /* terminfo --- actually the `options' key */
+ {"@0", "find"}, /* terminfo */
+ {"@2", "cancel"}, /* terminfo */
+ {"%1", "help"}, /* terminfo */
/*
* "break" goes here, but can't be reliably intercepted with termcap
*/
- "&4", "reset", /* terminfo --- actually `restart' */
+ {"&4", "reset"}, /* terminfo --- actually `restart' */
/*
* "system" and "user" --- no termcaps
*/
- "kE", "clearline", /* terminfo */
- "kA", "insertline", /* terminfo */
- "kL", "deleteline", /* terminfo */
- "kI", "insertchar", /* terminfo */
- "kD", "deletechar", /* terminfo */
- "kB", "backtab", /* terminfo */
+ {"kE", "clearline"}, /* terminfo */
+ {"kA", "insertline"}, /* terminfo */
+ {"kL", "deleteline"}, /* terminfo */
+ {"kI", "insertchar"}, /* terminfo */
+ {"kD", "deletechar"}, /* terminfo */
+ {"kB", "backtab"}, /* terminfo */
/*
* "kp_backtab", "kp-space", "kp-tab" --- no termcaps
*/
- "@8", "kp-enter", /* terminfo */
+ {"@8", "kp-enter"}, /* terminfo */
/*
* "kp-f1", "kp-f2", "kp-f3" "kp-f4",
* "kp-multiply", "kp-add", "kp-separator",
* "kp-subtract", "kp-decimal", "kp-divide", "kp-0";
* --- no termcaps for any of these.
*/
- "K4", "kp-1", /* terminfo */
+ {"K4", "kp-1"}, /* terminfo */
/*
* "kp-2" --- no termcap
*/
- "K5", "kp-3", /* terminfo */
+ {"K5", "kp-3"}, /* terminfo */
/*
* "kp-4" --- no termcap
*/
- "K2", "kp-5", /* terminfo */
+ {"K2", "kp-5"}, /* terminfo */
/*
* "kp-6" --- no termcap
*/
- "K1", "kp-7", /* terminfo */
+ {"K1", "kp-7"}, /* terminfo */
/*
* "kp-8" --- no termcap
*/
- "K3", "kp-9", /* terminfo */
+ {"K3", "kp-9"}, /* terminfo */
/*
* "kp-equal" --- no termcap
*/
- "k1", "f1",
- "k2", "f2",
- "k3", "f3",
- "k4", "f4",
- "k5", "f5",
- "k6", "f6",
- "k7", "f7",
- "k8", "f8",
- "k9", "f9",
+ {"k1", "f1"},
+ {"k2", "f2"},
+ {"k3", "f3"},
+ {"k4", "f4"},
+ {"k5", "f5"},
+ {"k6", "f6"},
+ {"k7", "f7"},
+ {"k8", "f8"},
+ {"k9", "f9"},
+
+ {"&0", "S-cancel"}, /*shifted cancel key*/
+ {"&9", "S-begin"}, /*shifted begin key*/
+ {"*0", "S-find"}, /*shifted find key*/
+ {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/
+ {"*4", "S-delete"}, /*shifted delete-character key*/
+ {"*7", "S-end"}, /*shifted end key*/
+ {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/
+ {"#1", "S-help"}, /*shifted help key*/
+ {"#2", "S-home"}, /*shifted home key*/
+ {"#3", "S-insert"}, /*shifted insert-character key*/
+ {"#4", "S-left"}, /*shifted left-arrow key*/
+ {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/
+ {"%c", "S-next"}, /*shifted next key*/
+ {"%e", "S-prior"}, /*shifted previous key*/
+ {"%f", "S-print"}, /*shifted print key*/
+ {"%g", "S-redo"}, /*shifted redo key*/
+ {"%i", "S-right"}, /*shifted right-arrow key*/
+ {"!3", "S-undo"} /*shifted undo key*/
};
static char **term_get_fkeys_arg;
static Lisp_Object term_get_fkeys_1 ();
/* Find the escape codes sent by the function keys for Vfunction_key_map.
- This function scans the termcap function key sequence entries, and
+ This function scans the termcap function key sequence entries, and
adds entries to Vfunction_key_map for each function key it finds. */
void
if (k_semi)
{
+ if (k0)
+ /* Define f0 first, so that f10 takes precedence in case the
+ key sequences happens to be the same. */
+ Fdefine_key (Vfunction_key_map, build_string (k0),
+ Fmake_vector (make_number (1), intern ("f0")));
Fdefine_key (Vfunction_key_map, build_string (k_semi),
Fmake_vector (make_number (1), intern ("f10")));
- k0_name = "f0";
}
-
- if (k0)
+ else if (k0)
Fdefine_key (Vfunction_key_map, build_string (k0),
Fmake_vector (make_number (1), intern (k0_name)));
}
Fmake_vector (make_number (1), \
intern (sym))); \
}
-
+
/* if there's no key_next keycap, map key_npage to `next' keysym */
CONDITIONAL_REASSIGN ("%5", "kN", "next");
/* if there's no key_prev keycap, map key_ppage to `previous' keysym */
CONDITIONAL_REASSIGN ("*6", "kU", "select");
#undef CONDITIONAL_REASSIGN
}
+
+ return Qnil;
}
\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
+#endif
+
+static void append_glyph P_ ((struct it *));
+static void produce_stretch_glyph P_ ((struct it *));
+
+
+/* Append glyphs to IT's glyph_row. Called from produce_glyphs for
+ terminal frames if IT->glyph_row != NULL. IT->char_to_display is
+ the character for which to produce glyphs; IT->face_id contains the
+ character's face. Padding glyphs are appended if IT->c has a
+ IT->pixel_width > 1. */
+
+static void
+append_glyph (it)
+ struct it *it;
+{
+ 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];
+
+ for (i = 0;
+ i < it->pixel_width && glyph < end;
+ ++i)
+ {
+ glyph->type = CHAR_GLYPH;
+ glyph->pixel_width = 1;
+ glyph->u.ch = it->char_to_display;
+ glyph->face_id = it->face_id;
+ glyph->padding_p = i > 0;
+ glyph->charpos = CHARPOS (it->position);
+ glyph->object = it->object;
+
+ ++it->glyph_row->used[it->area];
+ ++glyph;
+ }
+}
+
+
+/* Produce glyphs for the display element described by IT. *IT
+ specifies what we want to produce a glyph for (character, image, ...),
+ and where in the glyph matrix we currently are (glyph row and hpos).
+ produce_glyphs fills in output fields of *IT with information such as the
+ pixel width and height of a character, and maybe output actual glyphs at
+ the same time if IT->glyph_row is non-null. See the explanation of
+ struct display_iterator in dispextern.h for an overview.
+
+ produce_glyphs also stores the result of glyph width, ascent
+ etc. computations in *IT.
+
+ IT->glyph_row may be null, in which case produce_glyphs does not
+ actually fill in the glyphs. This is used in the move_* functions
+ in xdisp.c for text width and height computations.
+
+ Callers usually don't call produce_glyphs directly;
+ instead they use the macro PRODUCE_GLYPHS. */
+
+void
+produce_glyphs (it)
+ struct it *it;
+{
+ /* If a hook is installed, let it do the work. */
+ xassert (it->what == IT_CHARACTER
+ || it->what == IT_COMPOSITION
+ || it->what == IT_STRETCH);
+
+ if (it->what == IT_STRETCH)
+ {
+ produce_stretch_glyph (it);
+ goto done;
+ }
+
+ /* Nothing but characters are supported on terminal frames. For a
+ composition sequence, it->c is the first character of the
+ sequence. */
+ xassert (it->what == IT_CHARACTER
+ || it->what == IT_COMPOSITION);
+
+ /* Maybe translate single-byte characters to multibyte. */
+ it->char_to_display = it->c;
+
+ if (it->c >= 040 && it->c < 0177)
+ {
+ it->pixel_width = it->nglyphs = 1;
+ if (it->glyph_row)
+ append_glyph (it);
+ }
+ else if (it->c == '\n')
+ it->pixel_width = it->nglyphs = 0;
+ else if (it->c == '\t')
+ {
+ int absolute_x = (it->current_x
+ + it->continuation_lines_width);
+ int next_tab_x
+ = (((1 + absolute_x + it->tab_width - 1)
+ / it->tab_width)
+ * it->tab_width);
+ int nspaces;
+
+ /* If part of the TAB has been displayed on the previous line
+ which is continued now, continuation_lines_width will have
+ been incremented already by the part that fitted on the
+ continued line. So, we will get the right number of spaces
+ here. */
+ nspaces = next_tab_x - absolute_x;
+
+ if (it->glyph_row)
+ {
+ int n = nspaces;
+
+ it->char_to_display = ' ';
+ it->pixel_width = it->len = 1;
+
+ while (n--)
+ append_glyph (it);
+ }
+
+ it->pixel_width = nspaces;
+ it->nglyphs = nspaces;
+ }
+ else if (SINGLE_BYTE_CHAR_P (it->c))
+ {
+ if (unibyte_display_via_language_environment
+ && (it->c >= 0240
+ || !NILP (Vnonascii_translation_table)))
+ {
+ int charset;
+
+ it->char_to_display = unibyte_char_to_multibyte (it->c);
+ charset = CHAR_CHARSET (it->char_to_display);
+ it->pixel_width = CHARSET_WIDTH (charset);
+ it->nglyphs = it->pixel_width;
+ if (it->glyph_row)
+ append_glyph (it);
+ }
+ else
+ {
+ /* Coming here means that it->c is from display table, thus we
+ must send the code 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
+ {
+ /* A multi-byte character. The display width is fixed for all
+ characters of the set. Some of the glyphs may have to be
+ ignored because they are already displayed in a continued
+ line. */
+ int charset = CHAR_CHARSET (it->c);
+
+ it->pixel_width = CHARSET_WIDTH (charset);
+ it->nglyphs = it->pixel_width;
+
+ if (it->glyph_row)
+ append_glyph (it);
+ }
+
+ done:
+ /* Advance current_x by the pixel width as a convenience for
+ the caller. */
+ if (it->area == TEXT_AREA)
+ it->current_x += it->pixel_width;
+ it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0;
+ it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1;
+}
+
+
+/* Produce a stretch glyph for iterator IT. IT->object is the value
+ of the glyph property displayed. The value must be a list
+ `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs
+ being recognized:
+
+ 1. `:width WIDTH' specifies that the space should be WIDTH *
+ canonical char width wide. WIDTH may be an integer or floating
+ point number.
+
+ 2. `:align-to HPOS' specifies that the space should be wide enough
+ to reach HPOS, a value in canonical character units. */
+
+static void
+produce_stretch_glyph (it)
+ struct it *it;
+{
+ /* (space :width WIDTH ...) */
+ Lisp_Object prop, plist;
+ int width = 0, align_to = -1;
+ int zero_width_ok_p = 0;
+ double tem;
+
+ /* List should start with `space'. */
+ xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace));
+ plist = XCDR (it->object);
+
+ /* Compute the width of the stretch. */
+ if ((prop = Fplist_get (plist, QCwidth), !NILP (prop))
+ && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0))
+ {
+ /* Absolute width `:width WIDTH' specified and valid. */
+ zero_width_ok_p = 1;
+ width = (int)(tem + 0.5);
+ }
+ else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop))
+ && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to))
+ {
+ if (it->glyph_row == NULL || !it->glyph_row->mode_line_p)
+ align_to = (align_to < 0
+ ? 0
+ : align_to - window_box_left_offset (it->w, TEXT_AREA));
+ else if (align_to < 0)
+ align_to = window_box_left_offset (it->w, TEXT_AREA);
+ width = max (0, (int)(tem + 0.5) + align_to - it->current_x);
+ zero_width_ok_p = 1;
+ }
+ else
+ /* Nothing specified -> width defaults to canonical char width. */
+ width = FRAME_COLUMN_WIDTH (it->f);
+
+ if (width <= 0 && (width < 0 || !zero_width_ok_p))
+ width = 1;
+
+ if (width > 0 && it->glyph_row)
+ {
+ Lisp_Object o_object = it->object;
+ Lisp_Object object = it->stack[it->sp - 1].string;
+ int n = width;
+
+ if (!STRINGP (object))
+ object = it->w->buffer;
+ it->object = object;
+ it->char_to_display = ' ';
+ it->pixel_width = it->len = 1;
+ while (n--)
+ append_glyph (it);
+ it->object = o_object;
+ }
+ it->pixel_width = width;
+ it->nglyphs = width;
+}
+
+
+/* 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
+ non-null glyph_row member. This function ensures that fields like
+ face_id, c, len of IT are left untouched. */
+
+void
+produce_special_glyphs (it, what)
+ struct it *it;
+ enum display_element_type what;
+{
+ struct it temp_it;
+ GLYPH glyph;
+
+ temp_it = *it;
+ temp_it.dp = NULL;
+ temp_it.what = IT_CHARACTER;
+ temp_it.len = 1;
+ temp_it.object = make_number (0);
+ bzero (&temp_it.current, sizeof temp_it.current);
+
+ if (what == IT_CONTINUATION)
+ {
+ /* Continuation glyph. */
+ if (it->dp
+ && INTEGERP (DISP_CONTINUE_GLYPH (it->dp))
+ && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp))))
+ {
+ glyph = XINT (DISP_CONTINUE_GLYPH (it->dp));
+ glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph);
+ }
+ else
+ glyph = '\\';
+ }
+ else if (what == IT_TRUNCATION)
+ {
+ /* Truncation glyph. */
+ if (it->dp
+ && INTEGERP (DISP_TRUNC_GLYPH (it->dp))
+ && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp))))
+ {
+ glyph = XINT (DISP_TRUNC_GLYPH (it->dp));
+ glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph);
+ }
+ else
+ glyph = '$';
+ }
+ else
+ abort ();
+
+ temp_it.c = FAST_GLYPH_CHAR (glyph);
+ temp_it.face_id = FAST_GLYPH_FACE (glyph);
+ temp_it.len = CHAR_BYTES (temp_it.c);
+
+ produce_glyphs (&temp_it);
+ it->pixel_width = temp_it.pixel_width;
+ it->nglyphs = temp_it.pixel_width;
+}
+
+
+\f
+/***********************************************************************
+ Faces
+ ***********************************************************************/
+
+/* Value is non-zero if attribute ATTR may be used. ATTR should be
+ one of the enumerators from enum no_color_bit, or a bit set built
+ from them. Some display attributes may not be used together with
+ color; the termcap capability `NC' specifies which ones. */
+
+#define MAY_USE_WITH_COLORS_P(ATTR) \
+ (TN_max_colors > 0 \
+ ? (TN_no_color_video & (ATTR)) == 0 \
+ : 1)
+
+/* Turn appearances of face FACE_ID on tty frame F on.
+ FACE_ID is a realized face ID number, in the face cache. */
+
+static void
+turn_on_face (f, face_id)
+ struct frame *f;
+ int face_id;
+{
+ struct face *face = FACE_FROM_ID (f, face_id);
+ long fg = face->foreground;
+ long bg = face->background;
+
+ /* Do this first because TS_end_standout_mode may be the same
+ as TS_exit_attribute_mode, which turns all appearances off. */
+ if (MAY_USE_WITH_COLORS_P (NC_REVERSE))
+ {
+ if (TN_max_colors > 0)
+ {
+ if (fg >= 0 && bg >= 0)
+ {
+ /* If the terminal supports colors, we can set them
+ below without using reverse video. The face's fg
+ and bg colors are set as they should appear on
+ the screen, i.e. they take the inverse-video'ness
+ of the face already into account. */
+ }
+ else if (inverse_video)
+ {
+ if (fg == FACE_TTY_DEFAULT_FG_COLOR
+ || bg == FACE_TTY_DEFAULT_BG_COLOR)
+ toggle_highlight ();
+ }
+ else
+ {
+ if (fg == FACE_TTY_DEFAULT_BG_COLOR
+ || bg == FACE_TTY_DEFAULT_FG_COLOR)
+ toggle_highlight ();
+ }
+ }
+ else
+ {
+ /* If we can't display colors, use reverse video
+ if the face specifies that. */
+ if (inverse_video)
+ {
+ if (fg == FACE_TTY_DEFAULT_FG_COLOR
+ || bg == FACE_TTY_DEFAULT_BG_COLOR)
+ toggle_highlight ();
+ }
+ else
+ {
+ if (fg == FACE_TTY_DEFAULT_BG_COLOR
+ || bg == FACE_TTY_DEFAULT_FG_COLOR)
+ toggle_highlight ();
+ }
+ }
+ }
+
+ if (face->tty_bold_p)
+ {
+ if (MAY_USE_WITH_COLORS_P (NC_BOLD))
+ OUTPUT1_IF (TS_enter_bold_mode);
+ }
+ else if (face->tty_dim_p)
+ if (MAY_USE_WITH_COLORS_P (NC_DIM))
+ OUTPUT1_IF (TS_enter_dim_mode);
+
+ /* Alternate charset and blinking not yet used. */
+ if (face->tty_alt_charset_p
+ && MAY_USE_WITH_COLORS_P (NC_ALT_CHARSET))
+ OUTPUT1_IF (TS_enter_alt_charset_mode);
+
+ if (face->tty_blinking_p
+ && MAY_USE_WITH_COLORS_P (NC_BLINK))
+ OUTPUT1_IF (TS_enter_blink_mode);
+
+ if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (NC_UNDERLINE))
+ OUTPUT1_IF (TS_enter_underline_mode);
+
+ if (TN_max_colors > 0)
+ {
+ char *ts, *p;
+
+ ts = standout_mode ? TS_set_background : TS_set_foreground;
+ if (fg >= 0 && ts)
+ {
+ p = tparam (ts, NULL, 0, (int) fg);
+ OUTPUT (p);
+ xfree (p);
+ }
+
+ ts = standout_mode ? TS_set_foreground : TS_set_background;
+ if (bg >= 0 && ts)
+ {
+ p = tparam (ts, NULL, 0, (int) bg);
+ OUTPUT (p);
+ xfree (p);
+ }
+ }
+}
+
+
+/* Turn off appearances of face FACE_ID on tty frame F. */
+
+static void
+turn_off_face (f, face_id)
+ struct frame *f;
+ int face_id;
+{
+ struct face *face = FACE_FROM_ID (f, face_id);
+
+ xassert (face != NULL);
+
+ if (TS_exit_attribute_mode)
+ {
+ /* Capability "me" will turn off appearance modes double-bright,
+ half-bright, reverse-video, standout, underline. It may or
+ may not turn off alt-char-mode. */
+ if (face->tty_bold_p
+ || face->tty_dim_p
+ || face->tty_reverse_p
+ || face->tty_alt_charset_p
+ || face->tty_blinking_p
+ || face->tty_underline_p)
+ {
+ OUTPUT1_IF (TS_exit_attribute_mode);
+ if (strcmp (TS_exit_attribute_mode, TS_end_standout_mode) == 0)
+ standout_mode = 0;
+ }
+
+ if (face->tty_alt_charset_p)
+ OUTPUT_IF (TS_exit_alt_charset_mode);
+ }
+ else
+ {
+ /* If we don't have "me" we can only have those appearances
+ that have exit sequences defined. */
+ if (face->tty_alt_charset_p)
+ OUTPUT_IF (TS_exit_alt_charset_mode);
+
+ if (face->tty_underline_p)
+ OUTPUT_IF (TS_exit_underline_mode);
+ }
+
+ /* Switch back to default colors. */
+ if (TN_max_colors > 0
+ && ((face->foreground != FACE_TTY_DEFAULT_COLOR
+ && face->foreground != FACE_TTY_DEFAULT_FG_COLOR)
+ || (face->background != FACE_TTY_DEFAULT_COLOR
+ && face->background != FACE_TTY_DEFAULT_BG_COLOR)))
+ OUTPUT1_IF (TS_orig_pair);
+}
+
+
+/* Return non-zero if the terminal on frame F supports all of the
+ capabilities in CAPS simultaneously, with foreground and background
+ colors FG and BG. */
+
+int
+tty_capable_p (f, caps, fg, bg)
+ struct frame *f;
+ unsigned caps;
+ unsigned long fg, bg;
+{
+#define TTY_CAPABLE_P_TRY(cap, TS, NC_bit) \
+ if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(NC_bit))) \
+ return 0;
+
+ TTY_CAPABLE_P_TRY (TTY_CAP_INVERSE, TS_standout_mode, NC_REVERSE);
+ TTY_CAPABLE_P_TRY (TTY_CAP_UNDERLINE, TS_enter_underline_mode, NC_UNDERLINE);
+ TTY_CAPABLE_P_TRY (TTY_CAP_BOLD, TS_enter_bold_mode, NC_BOLD);
+ TTY_CAPABLE_P_TRY (TTY_CAP_DIM, TS_enter_dim_mode, NC_DIM);
+ TTY_CAPABLE_P_TRY (TTY_CAP_BLINK, TS_enter_blink_mode, NC_BLINK);
+ TTY_CAPABLE_P_TRY (TTY_CAP_ALT_CHARSET, TS_enter_alt_charset_mode, NC_ALT_CHARSET);
+
+ /* We can do it! */
+ return 1;
+}
+
+
+/* Return non-zero if the terminal is capable to display colors. */
+
+DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p,
+ 0, 1, 0,
+ doc: /* Return non-nil if TTY can display colors on DISPLAY. */)
+ (display)
+ Lisp_Object display;
+{
+ return TN_max_colors > 0 ? Qt : Qnil;
+}
+
+/* Return the number of supported colors. */
+DEFUN ("tty-display-color-cells", Ftty_display_color_cells,
+ Stty_display_color_cells, 0, 1, 0,
+ doc: /* Return the number of colors supported by TTY on DISPLAY. */)
+ (display)
+ Lisp_Object display;
+{
+ return make_number (TN_max_colors);
+}
+
+#ifndef WINDOWSNT
+
+/* Save or restore the default color-related capabilities of this
+ terminal. */
+static void
+tty_default_color_capabilities (save)
+ int save;
+{
+ static char
+ *default_orig_pair, *default_set_foreground, *default_set_background;
+ static int default_max_colors, default_max_pairs, default_no_color_video;
+
+ if (save)
+ {
+ if (default_orig_pair)
+ xfree (default_orig_pair);
+ default_orig_pair = TS_orig_pair ? xstrdup (TS_orig_pair) : NULL;
+
+ if (default_set_foreground)
+ xfree (default_set_foreground);
+ default_set_foreground = TS_set_foreground ? xstrdup (TS_set_foreground)
+ : NULL;
+
+ if (default_set_background)
+ xfree (default_set_background);
+ default_set_background = TS_set_background ? xstrdup (TS_set_background)
+ : NULL;
+
+ default_max_colors = TN_max_colors;
+ default_max_pairs = TN_max_pairs;
+ default_no_color_video = TN_no_color_video;
+ }
+ else
+ {
+ TS_orig_pair = default_orig_pair;
+ TS_set_foreground = default_set_foreground;
+ TS_set_background = default_set_background;
+ TN_max_colors = default_max_colors;
+ TN_max_pairs = default_max_pairs;
+ TN_no_color_video = default_no_color_video;
+ }
+}
+
+/* Setup one of the standard tty color schemes according to MODE.
+ MODE's value is generally the number of colors which we want to
+ support; zero means set up for the default capabilities, the ones
+ we saw at term_init time; -1 means turn off color support. */
+void
+tty_setup_colors (mode)
+ int mode;
+{
+ /* Canonicalize all negative values of MODE. */
+ if (mode < -1)
+ mode = -1;
+
+ switch (mode)
+ {
+ case -1: /* no colors at all */
+ TN_max_colors = 0;
+ TN_max_pairs = 0;
+ TN_no_color_video = 0;
+ TS_set_foreground = TS_set_background = TS_orig_pair = NULL;
+ break;
+ case 0: /* default colors, if any */
+ default:
+ tty_default_color_capabilities (0);
+ break;
+ case 8: /* 8 standard ANSI colors */
+ TS_orig_pair = "\033[0m";
+#ifdef TERMINFO
+ TS_set_foreground = "\033[3%p1%dm";
+ TS_set_background = "\033[4%p1%dm";
+#else
+ TS_set_foreground = "\033[3%dm";
+ TS_set_background = "\033[4%dm";
+#endif
+ TN_max_colors = 8;
+ TN_max_pairs = 64;
+ TN_no_color_video = 0;
+ break;
+ }
+}
+
+void
+set_tty_color_mode (f, val)
+ struct frame *f;
+ Lisp_Object val;
+{
+ Lisp_Object color_mode_spec, current_mode_spec;
+ Lisp_Object color_mode, current_mode;
+ int mode, old_mode;
+ extern Lisp_Object Qtty_color_mode;
+ Lisp_Object tty_color_mode_alist;
+
+ tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"),
+ Qnil);
+
+ if (INTEGERP (val))
+ color_mode = val;
+ else
+ {
+ if (NILP (tty_color_mode_alist))
+ color_mode_spec = Qnil;
+ else
+ color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value);
+
+ if (CONSP (color_mode_spec))
+ color_mode = XCDR (color_mode_spec);
+ else
+ color_mode = Qnil;
+ }
+
+ current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist);
+
+ if (CONSP (current_mode_spec))
+ current_mode = XCDR (current_mode_spec);
+ else
+ current_mode = Qnil;
+ if (INTEGERP (color_mode))
+ mode = XINT (color_mode);
+ else
+ mode = 0; /* meaning default */
+ if (INTEGERP (current_mode))
+ old_mode = XINT (current_mode);
+ else
+ old_mode = 0;
+
+ if (mode != old_mode)
+ {
+ tty_setup_colors (mode);
+ /* This recomputes all the faces given the new color
+ definitions. */
+ call0 (intern ("tty-set-up-initial-frame-faces"));
+ redraw_frame (f);
+ }
+}
+
+#endif /* !WINDOWSNT */
+
+\f
+/***********************************************************************
+ Initialization
+ ***********************************************************************/
+
void
term_init (terminal_type)
char *terminal_type;
{
char *area;
char **address = &area;
- char buffer[2044];
+ char *buffer = NULL;
+ int buffer_size = 4096;
register char *p;
int status;
+ struct frame *sf = XFRAME (selected_frame);
+
+ encode_terminal_bufsize = 0;
#ifdef WINDOWSNT
initialize_w32_display ();
Wcm_clear ();
- area = (char *) malloc (2044);
+ area = (char *) xmalloc (2044);
- if (area == 0)
- abort ();
-
- FrameRows = FRAME_HEIGHT (selected_frame);
- FrameCols = FRAME_WIDTH (selected_frame);
- specified_window = FRAME_HEIGHT (selected_frame);
+ FrameRows = FRAME_LINES (sf);
+ FrameCols = FRAME_COLS (sf);
+ specified_window = FRAME_LINES (sf);
delete_in_insert_mode = 1;
baud_rate = 19200;
- FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0;
- FRAME_VERTICAL_SCROLL_BAR_TYPE (selected_frame) = vertical_scroll_bar_none;
+ FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0;
+ FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none;
+ TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */
return;
#else /* not WINDOWSNT */
Wcm_clear ();
+ buffer = (char *) xmalloc (buffer_size);
status = tgetent (buffer, terminal_type);
if (status < 0)
{
terminal_type);
#endif
}
-#ifdef TERMINFO
- area = (char *) malloc (2044);
-#else
- area = (char *) malloc (strlen (buffer));
-#endif /* not TERMINFO */
- if (area == 0)
+
+#ifndef TERMINFO
+ if (strlen (buffer) >= buffer_size)
abort ();
+ buffer_size = strlen (buffer);
+#endif
+ area = (char *) xmalloc (buffer_size);
TS_ins_line = tgetstr ("al", address);
TS_ins_multi_lines = tgetstr ("AL", address);
TS_clr_to_bottom = tgetstr ("cd", address);
TS_clr_line = tgetstr ("ce", address);
TS_clr_frame = tgetstr ("cl", address);
- ColPosition = tgetstr ("ch", address);
+ ColPosition = NULL; /* tgetstr ("ch", address); */
AbsPosition = tgetstr ("cm", address);
CR = tgetstr ("cr", address);
TS_set_scroll_region = tgetstr ("cs", address);
Wcm.cm_tab = tgetstr ("ta", address);
TS_end_termcap_modes = tgetstr ("te", address);
TS_termcap_modes = tgetstr ("ti", address);
- TS_bold_mode = tgetstr ("md", address);
- TS_end_bold_mode = tgetstr ("me", address);
- TS_underscore_mode = tgetstr ("us", address);
- TS_end_underscore_mode = tgetstr ("ue", address);
Up = tgetstr ("up", address);
TS_visible_bell = tgetstr ("vb", address);
- TS_end_visual_mode = tgetstr ("ve", address);
- TS_visual_mode = tgetstr ("vs", address);
+ TS_cursor_normal = tgetstr ("ve", address);
+ TS_cursor_visible = tgetstr ("vs", address);
+ TS_cursor_invisible = tgetstr ("vi", address);
TS_set_window = tgetstr ("wi", address);
+
+ TS_enter_underline_mode = tgetstr ("us", address);
+ TS_exit_underline_mode = tgetstr ("ue", address);
+ TS_enter_bold_mode = tgetstr ("md", address);
+ TS_enter_dim_mode = tgetstr ("mh", address);
+ TS_enter_blink_mode = tgetstr ("mb", address);
+ TS_enter_reverse_mode = tgetstr ("mr", address);
+ TS_enter_alt_charset_mode = tgetstr ("as", address);
+ TS_exit_alt_charset_mode = tgetstr ("ae", address);
+ TS_exit_attribute_mode = tgetstr ("me", address);
+
MultiUp = tgetstr ("UP", address);
MultiDown = tgetstr ("DO", address);
MultiLeft = tgetstr ("LE", address);
MultiRight = tgetstr ("RI", address);
+ /* SVr4/ANSI color suppert. If "op" isn't available, don't support
+ color because we can't switch back to the default foreground and
+ background. */
+ TS_orig_pair = tgetstr ("op", address);
+ if (TS_orig_pair)
+ {
+ TS_set_foreground = tgetstr ("AF", address);
+ TS_set_background = tgetstr ("AB", address);
+ if (!TS_set_foreground)
+ {
+ /* SVr4. */
+ TS_set_foreground = tgetstr ("Sf", address);
+ TS_set_background = tgetstr ("Sb", address);
+ }
+
+ TN_max_colors = tgetnum ("Co");
+ TN_max_pairs = tgetnum ("pa");
+
+ TN_no_color_video = tgetnum ("NC");
+ if (TN_no_color_video == -1)
+ TN_no_color_video = 0;
+ }
+
+ tty_default_color_capabilities (1);
+
MagicWrap = tgetflag ("xn");
/* Since we make MagicWrap terminals look like AutoWrap, we need to have
the former flag imply the latter. */
TF_insmode_motion = tgetflag ("mi");
TF_standout_motion = tgetflag ("ms");
TF_underscore = tgetflag ("ul");
- TF_xs = tgetflag ("xs");
TF_teleray = tgetflag ("xt");
term_get_fkeys (address);
{
int height, width;
get_frame_size (&width, &height);
- FRAME_WIDTH (selected_frame) = width;
- FRAME_HEIGHT (selected_frame) = height;
+ FRAME_COLS (sf) = width;
+ FRAME_LINES (sf) = height;
}
- if (FRAME_WIDTH (selected_frame) <= 0)
- SET_FRAME_WIDTH (selected_frame, tgetnum ("co"));
+ if (FRAME_COLS (sf) <= 0)
+ SET_FRAME_COLS (sf, tgetnum ("co"));
else
/* Keep width and external_width consistent */
- SET_FRAME_WIDTH (selected_frame, FRAME_WIDTH (selected_frame));
- if (FRAME_HEIGHT (selected_frame) <= 0)
- FRAME_HEIGHT (selected_frame) = tgetnum ("li");
-
- if (FRAME_HEIGHT (selected_frame) < 3
- || FRAME_WIDTH (selected_frame) < 3)
+ SET_FRAME_COLS (sf, FRAME_COLS (sf));
+ if (FRAME_LINES (sf) <= 0)
+ FRAME_LINES (sf) = tgetnum ("li");
+
+ if (FRAME_LINES (sf) < 3 || FRAME_COLS (sf) < 3)
fatal ("Screen size %dx%d is too small",
- FRAME_HEIGHT (selected_frame), FRAME_WIDTH (selected_frame));
+ FRAME_LINES (sf), FRAME_COLS (sf));
min_padding_speed = tgetnum ("pb");
- TN_standout_width = tgetnum ("sg");
TabWidth = tgetnum ("tw");
#ifdef VMS
if (TabWidth < 0)
TabWidth = 8;
-
+
/* Turned off since /etc/termcap seems to have :ta= for most terminals
and newer termcap doc does not seem to say there is a default.
if (!Wcm.cm_tab)
Wcm.cm_tab = "\t";
*/
+ /* We don't support standout modes that use `magic cookies', so
+ turn off any that do. */
+ if (TS_standout_mode && tgetnum ("sg") >= 0)
+ {
+ TS_standout_mode = 0;
+ TS_end_standout_mode = 0;
+ }
+ if (TS_enter_underline_mode && tgetnum ("ug") >= 0)
+ {
+ TS_enter_underline_mode = 0;
+ TS_exit_underline_mode = 0;
+ }
+
+ /* If there's no standout mode, try to use underlining instead. */
if (TS_standout_mode == 0)
{
- TN_standout_width = tgetnum ("ug");
- TS_end_standout_mode = tgetstr ("ue", address);
- TS_standout_mode = tgetstr ("us", address);
+ TS_standout_mode = TS_enter_underline_mode;
+ TS_end_standout_mode = TS_exit_underline_mode;
}
/* If no `se' string, try using a `me' string instead.
if (TF_teleray)
{
Wcm.cm_tab = 0;
- /* Teleray: most programs want a space in front of TS_standout_mode,
- but Emacs can do without it (and give one extra column). */
- TS_standout_mode = "\033RD";
- TN_standout_width = 1;
+ /* We can't support standout mode, because it uses magic cookies. */
+ TS_standout_mode = 0;
/* But that means we cannot rely on ^M to go to column zero! */
CR = 0;
/* LF can't be trusted either -- can alter hpos */
}
}
- FrameRows = FRAME_HEIGHT (selected_frame);
- FrameCols = FRAME_WIDTH (selected_frame);
- specified_window = FRAME_HEIGHT (selected_frame);
+ FrameRows = FRAME_LINES (sf);
+ FrameCols = FRAME_COLS (sf);
+ specified_window = FRAME_LINES (sf);
if (Wcm_init () == -1) /* can't do cursor motion */
#ifdef VMS
terminal_type);
# endif /* TERMINFO */
#endif /*VMS */
- if (FRAME_HEIGHT (selected_frame) <= 0
- || FRAME_WIDTH (selected_frame) <= 0)
+ if (FRAME_LINES (sf) <= 0
+ || FRAME_COLS (sf) <= 0)
fatal ("The frame size has not been specified");
delete_in_insert_mode
&& TS_end_standout_mode
&& !strcmp (TS_standout_mode, TS_end_standout_mode));
- /* Remove width of standout marker from usable width of line */
- if (TN_standout_width > 0)
- SET_FRAME_WIDTH (selected_frame,
- FRAME_WIDTH (selected_frame) - TN_standout_width);
-
UseTabs = tabs_safe_p () && TabWidth == 8;
scroll_region_ok
/* meaningless in this case */
baud_rate = 9600;
- FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0;
- FRAME_VERTICAL_SCROLL_BAR_TYPE (selected_frame) = vertical_scroll_bar_none;
+ FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0;
+ FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none;
#endif /* WINDOWSNT */
+
+ xfree (buffer);
}
/* VARARGS 1 */
exit (1);
}
+DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 0, 0,
+ doc: /* Declare that this terminal does not handle underlining.
+This is used to override the terminfo data, for certain terminals that
+do not really do underlining, but say that they do. */)
+ ()
+{
+ TS_enter_underline_mode = 0;
+ return Qnil;
+}
+
void
syms_of_term ()
{
DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo,
- "Non-nil means the system uses terminfo rather than termcap.\n\
-This variable can be used by terminal emulator packages.");
+ 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 = 1;
#else
#endif
DEFVAR_LISP ("ring-bell-function", &Vring_bell_function,
- "Non-nil means call this function to ring the bell.\n\
-The function should accept no arguments.");
+ doc: /* Non-nil means call this function to ring the bell.
+The function should accept no arguments. */);
Vring_bell_function = Qnil;
+
+ 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
+bigger, or it may make it blink, or it may do nothing at all. */);
+ visible_cursor = 1;
+
+ defsubr (&Stty_display_color_p);
+ defsubr (&Stty_display_color_cells);
+ defsubr (&Stty_no_underline);
}
+
+/* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193
+ (do not change this comment) */