/* Terminal hooks for GNU Emacs on the Microsoft W32 API.
- Copyright (C) 1992 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1999 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <stdlib.h>
#include <stdio.h>
#include <windows.h>
+#include <string.h>
#include "lisp.h"
#include "charset.h"
-#include "frame.h"
+#include "coding.h"
#include "disptab.h"
#include "termhooks.h"
+/* Disable features in dispextern.h that require a Window System. */
+#undef HAVE_WINDOW_SYSTEM
+#include "frame.h"
#include "w32inevt.h"
+#include "dispextern.h"
+
+#define min(a, b) ((a) < (b) ? (a) : (b))
/* from window.c */
extern Lisp_Object Frecenter ();
/* from sysdep.c */
extern int read_input_pending ();
-extern FRAME_PTR updating_frame;
+extern struct frame * updating_frame;
extern int meta_key;
static void move_cursor (int row, int col);
static void clear_frame (void);
static void clear_end_of_line (int);
static void ins_del_lines (int vpos, int n);
-static void change_line_highlight (int, int, int);
+static void change_line_highlight (int, int, int, int);
static void reassert_line_highlight (int, int);
-static void insert_glyphs (GLYPH *start, int len);
-static void write_glyphs (GLYPH *string, int len);
+static void insert_glyphs (struct glyph *start, int len);
+static void write_glyphs (struct glyph *string, int len);
static void delete_glyphs (int n);
void w32_sys_ring_bell (void);
static void reset_terminal_modes (void);
static void set_terminal_modes (void);
static void set_terminal_window (int size);
-static void update_begin (FRAME_PTR f);
-static void update_end (FRAME_PTR f);
-static int hl_mode (int new_highlight);
+static void update_begin (struct frame * f);
+static void update_end (struct frame * f);
+static WORD w32_face_attributes (struct frame *f, int face_id);
+static int hl_mode (int new_highlight);
-COORD cursor_coords;
-HANDLE prev_screen, cur_screen;
-UCHAR char_attr, char_attr_normal, char_attr_reverse;
-HANDLE keyboard_handle;
-DWORD prev_console_mode;
+static COORD cursor_coords;
+static HANDLE prev_screen, cur_screen;
+static WORD char_attr_normal;
+static DWORD prev_console_mode;
#ifndef USE_SEPARATE_SCREEN
-CONSOLE_CURSOR_INFO prev_console_cursor;
+static CONSOLE_CURSOR_INFO prev_console_cursor;
#endif
+/* Determine whether to make frame dimensions match the screen buffer,
+ or the current window size. The former is desirable when running
+ over telnet, while the latter is more useful when working directly at
+ the console with a large scroll-back buffer. */
+int w32_use_full_screen_buffer;
+HANDLE keyboard_handle;
+
/* Setting this as the ctrl handler prevents emacs from being killed when
someone hits ^C in a 'suspended' session (child shell).
/* If we're updating a frame, use it as the current frame
Otherwise, use the selected frame. */
-#define PICK_FRAME() (updating_frame ? updating_frame : selected_frame)
+#define PICK_FRAME() (updating_frame ? updating_frame : SELECTED_FRAME ())
/* Move the cursor to (row, col). */
void
cursor_coords.X = col;
cursor_coords.Y = row;
- if (updating_frame == (FRAME_PTR) NULL)
+ if (updating_frame == (struct frame *) NULL)
{
SetConsoleCursorPosition (cur_screen, cursor_coords);
}
void
clear_to_end (void)
{
- FRAME_PTR f = PICK_FRAME ();
+ struct frame * f = PICK_FRAME ();
clear_end_of_line (FRAME_WIDTH (f) - 1);
ins_del_lines (cursor_coords.Y, FRAME_HEIGHT (f) - cursor_coords.Y - 1);
void
clear_frame (void)
{
- FRAME_PTR f = PICK_FRAME ();
+ struct frame * f = PICK_FRAME ();
COORD dest;
- int n, r;
+ int n;
+ DWORD r;
+ CONSOLE_SCREEN_BUFFER_INFO info;
+
+ GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info);
hl_mode (0);
-
- n = FRAME_HEIGHT (f) * FRAME_WIDTH (f);
+
+ /* Remember that the screen buffer might be wider than the window. */
+ n = FRAME_HEIGHT (f) * info.dwSize.X;
dest.X = dest.Y = 0;
- FillConsoleOutputAttribute (cur_screen, char_attr, n, dest, &r);
+ FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r);
FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r);
move_cursor (0, 0);
}
-static GLYPH glyph_base[256];
+static struct glyph glyph_base[256];
static BOOL ceol_initialized = FALSE;
/* Clear from Cursor to end (what's "standout marker"?). */
int i;
for (i = 0; i < 256; i++)
{
- glyph_base[i] = SPACEGLYPH; /* empty space */
+ memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph));
}
ceol_initialized = TRUE;
}
SMALL_RECT scroll;
COORD dest;
CHAR_INFO fill;
- FRAME_PTR f = PICK_FRAME ();
+ struct frame * f = PICK_FRAME ();
if (n < 0)
{
save_highlight = hl_mode (0);
fill.Char.AsciiChar = 0x20;
- fill.Attributes = char_attr;
+ fill.Attributes = char_attr_normal;
ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill);
old_highlight = highlight;
highlight = (new_highlight != 0);
- if (highlight)
- {
- char_attr = char_attr_reverse;
- }
- else
- {
- char_attr = char_attr_normal;
- }
+
return old_highlight;
}
/* Call this when about to modify line at position VPOS and change whether it
is highlighted. */
void
-change_line_highlight (int new_highlight, int vpos, int first_unused_hpos)
+change_line_highlight (int new_highlight, int vpos, int y,
+ int first_unused_hpos)
{
hl_mode (new_highlight);
move_cursor (vpos, 0);
SMALL_RECT scroll;
COORD dest;
CHAR_INFO fill;
- FRAME_PTR f = PICK_FRAME ();
+ struct frame * f = PICK_FRAME ();
scroll.Top = cursor_coords.Y;
scroll.Bottom = cursor_coords.Y;
dest.Y = cursor_coords.Y;
fill.Char.AsciiChar = 0x20;
- fill.Attributes = char_attr;
-
+ fill.Attributes = char_attr_normal;
+
ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill);
}
/* If start is zero insert blanks instead of a string at start ?. */
void
-insert_glyphs (register GLYPH *start, register int len)
+insert_glyphs (register struct glyph *start, register int len)
{
scroll_line (len, RIGHT);
}
void
-write_glyphs (register GLYPH *string, register int len)
+write_glyphs (register struct glyph *string, register int len)
{
- register unsigned int glyph_len = GLYPH_TABLE_LENGTH;
- Lisp_Object *glyph_table = GLYPH_TABLE_BASE;
- FRAME_PTR f = PICK_FRAME ();
- register char *ptr;
- GLYPH glyph;
- WORD *attrs;
- char *chars;
- int i;
-
+ int produced, consumed;
+ DWORD r;
+ struct frame * f = PICK_FRAME ();
+ WORD char_attr;
+ unsigned char conversion_buffer[1024];
+ int conversion_buffer_size = sizeof conversion_buffer;
+
if (len <= 0)
return;
- attrs = alloca (len * sizeof (*attrs));
- chars = alloca (len * sizeof (*chars));
- if (attrs == NULL || chars == NULL)
- {
- printf ("alloca failed in write_glyphs\n");
- return;
- }
-
- /* We have to deal with the glyph indirection...go over the glyph
- buffer and extract the characters. */
- ptr = chars;
- while (--len >= 0)
- {
- glyph = *string++;
+ /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
+ the tail. */
+ terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK;
- if (glyph > glyph_len)
- {
- *ptr++ = glyph & 0xFF;
- continue;
- }
- GLYPH_FOLLOW_ALIASES (glyph_table, glyph_len, glyph);
-#ifndef HAVE_NTGUI
- if (GLYPH_FACE (fixfix, glyph) != 0)
- printf ("Glyph face is %d\n", GLYPH_FACE (fixfix, glyph));
-#endif /* !HAVE_NTGUI */
- if (GLYPH_SIMPLE_P (glyph_table, glyph_len, glyph))
- {
- *ptr++ = glyph & 0xFF;
- continue;
- }
- for (i = 0; i < GLYPH_LENGTH (glyph_table, glyph); i++)
- {
- *ptr++ = (GLYPH_STRING (glyph_table, glyph))[i];
- }
- }
-
- /* Number of characters we have in the buffer. */
- len = ptr-chars;
-
- /* Fill in the attributes for these characters. */
- for (i = 0; i < len; i++)
- attrs[i] = char_attr;
-
- /* Write the attributes. */
- if (!WriteConsoleOutputAttribute (cur_screen, attrs, len, cursor_coords, &i))
+ while (len > 0)
{
- printf ("Failed writing console attributes: %d\n", GetLastError ());
- fflush (stdout);
+ /* 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. */
+ char_attr = w32_face_attributes (f, face_id);
+
+ while (n > 0)
+ {
+ /* We use a fixed size (1024 bytes) of conversion buffer.
+ Usually it is sufficient, but if not, we just repeat the
+ loop. */
+ produced = encode_terminal_code (string, conversion_buffer,
+ n, conversion_buffer_size,
+ &consumed);
+ if (produced > 0)
+ {
+ /* Set the attribute for these characters. */
+ if (!FillConsoleOutputAttribute (cur_screen, char_attr,
+ produced, cursor_coords, &r))
+ {
+ printf ("Failed writing console attributes: %d\n",
+ GetLastError ());
+ fflush (stdout);
+ }
+
+ /* Write the characters. */
+ if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer,
+ produced, cursor_coords, &r))
+ {
+ printf ("Failed writing console characters: %d\n",
+ GetLastError ());
+ fflush (stdout);
+ }
+
+ cursor_coords.X += produced;
+ move_cursor (cursor_coords.Y, cursor_coords.X);
+ }
+ len -= consumed;
+ n -= consumed;
+ string += consumed;
+ }
}
- /* Write the characters. */
- if (!WriteConsoleOutputCharacter (cur_screen, chars, len, cursor_coords, &i))
+ /* We may have to output some codes to terminate the writing. */
+ if (CODING_REQUIRE_FLUSHING (&terminal_coding))
{
- printf ("Failed writing console characters: %d\n", GetLastError ());
- fflush (stdout);
+ terminal_coding.mode |= CODING_MODE_LAST_BLOCK;
+ encode_coding (&terminal_coding, "", conversion_buffer,
+ 0, conversion_buffer_size);
+ if (terminal_coding.produced > 0)
+ {
+ if (!FillConsoleOutputAttribute (cur_screen, char_attr_normal,
+ terminal_coding.produced,
+ cursor_coords, &r))
+ {
+ printf ("Failed writing console attributes: %d\n",
+ GetLastError ());
+ fflush (stdout);
+ }
+
+ /* Write the characters. */
+ if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer,
+ produced, cursor_coords, &r))
+ {
+ printf ("Failed writing console characters: %d\n",
+ GetLastError ());
+ fflush (stdout);
+ }
+ }
}
-
- cursor_coords.X += len;
- move_cursor (cursor_coords.Y, cursor_coords.X);
}
+
void
delete_glyphs (int n)
{
}
static unsigned int sound_type = 0xFFFFFFFF;
+#define MB_EMACS_SILENT (0xFFFFFFFF - 1)
void
w32_sys_ring_bell (void)
{
if (sound_type == 0xFFFFFFFF)
+ {
Beep (666, 100);
+ }
+ else if (sound_type == MB_EMACS_SILENT)
+ {
+ /* Do nothing. */
+ }
else
- MessageBeep (sound_type);
+ MessageBeep (sound_type);
}
DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0,
"Set the sound generated when the bell is rung.\n\
-SOUND is 'asterisk, 'exclamation, 'hand, 'question, or 'ok\n\
-to use the corresponding system sound for the bell.\n\
+SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent\n\
+to use the corresponding system sound for the bell. The 'silent sound\n\
+prevents Emacs from making any sound at all.\n\
SOUND is nil to use the normal beep.")
(sound)
Lisp_Object sound;
sound_type = MB_ICONQUESTION;
else if (EQ (sound, intern ("ok")))
sound_type = MB_OK;
+ else if (EQ (sound, intern ("silent")))
+ sound_type = MB_EMACS_SILENT;
else
sound_type = 0xFFFFFFFF;
void
reset_terminal_modes (void)
{
+ hl_mode (0);
+
#ifdef USE_SEPARATE_SCREEN
SetConsoleActiveScreenBuffer (prev_screen);
#else
{
CONSOLE_CURSOR_INFO cci;
+ hl_mode (0);
+
/* make cursor big and visible (100 on Win95 makes it disappear) */
cci.dwSize = 99;
cci.bVisible = TRUE;
we'll start with not moving the cursor while an update is in progress. */
void
-update_begin (FRAME_PTR f)
+update_begin (struct frame * f)
{
+ hl_mode (0);
}
void
-update_end (FRAME_PTR f)
+update_end (struct frame * f)
{
+ hl_mode (0);
SetConsoleCursorPosition (cur_screen, cursor_coords);
}
{
}
+/***********************************************************************
+ Faces
+ ***********************************************************************/
+
+
+/* Turn appearances of face FACE_ID on tty frame F on. */
+
+static WORD
+w32_face_attributes (f, face_id)
+ struct frame *f;
+ int face_id;
+{
+ WORD char_attr;
+ int highlight_on_p;
+ struct face *face = FACE_FROM_ID (f, face_id);
+
+ highlight_on_p = hl_mode (0);
+ hl_mode (highlight_on_p);
+
+ xassert (face != NULL);
+
+ char_attr = char_attr_normal;
+
+ if (face->foreground != FACE_TTY_DEFAULT_FG_COLOR
+ && face->foreground != FACE_TTY_DEFAULT_COLOR)
+ char_attr = (char_attr & 0xfff0) + (face->foreground % 16);
+
+ if (face->background != FACE_TTY_DEFAULT_BG_COLOR
+ && face->background != FACE_TTY_DEFAULT_COLOR)
+ char_attr = (char_attr & 0xff0f) + ((face->background % 16) * 16);
+
+
+ /* Ensure readability (temporary measure until this all works) */
+ if (((char_attr & 0x00f0) >> 4) == (char_attr & 0x000f))
+ char_attr ^= 0x0007;
+
+ if (face->tty_reverse_p || highlight_on_p)
+ char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4)
+ + ((char_attr & 0x00f0) >> 4);
+
+ return char_attr;
+}
+
+
+/* Emulation of some X window features from xfns.c and xfaces.c. */
+
+extern char unspecified_fg[], unspecified_bg[];
+
+
+/* Given a color index, return its standard name. */
+Lisp_Object
+vga_stdcolor_name (int idx)
+{
+ /* Standard VGA colors, in the order of their standard numbering
+ in the default VGA palette. */
+ static char *vga_colors[16] = {
+ "black", "blue", "green", "cyan", "red", "magenta", "brown",
+ "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan",
+ "lightred", "lightmagenta", "yellow", "white"
+ };
+
+ extern Lisp_Object Qunspecified;
+
+ if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0]))
+ return build_string (vga_colors[idx]);
+ else
+ return Qunspecified; /* meaning the default */
+}
+
typedef int (*term_hook) ();
void
read_socket_hook = w32_console_read_socket;
mouse_position_hook = w32_console_mouse_position;
+ estimate_mode_line_height_hook = 0;
+
+ /* Initialize interrupt_handle. */
+ init_crit ();
/* Remember original console settings. */
keyboard_handle = GetStdHandle (STD_INPUT_HANDLE);
GetConsoleCursorInfo (prev_screen, &prev_console_cursor);
#endif
+ /* Respect setting of LINES and COLUMNS environment variables. */
+ {
+ char * lines = getenv("LINES");
+ char * columns = getenv("COLUMNS");
+
+ if (lines != NULL && columns != NULL)
+ {
+ SMALL_RECT new_win_dims;
+ COORD new_size;
+
+ new_size.X = atoi (columns);
+ new_size.Y = atoi (lines);
+
+ GetConsoleScreenBufferInfo (cur_screen, &info);
+
+ /* Shrink the window first, so the buffer dimensions can be
+ reduced if necessary. */
+ new_win_dims.Top = 0;
+ new_win_dims.Left = 0;
+ new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1;
+ new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1;
+ SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims);
+
+ SetConsoleScreenBufferSize (cur_screen, new_size);
+
+ /* Set the window size to match the buffer dimension. */
+ new_win_dims.Top = 0;
+ new_win_dims.Left = 0;
+ new_win_dims.Bottom = new_size.Y - 1;
+ new_win_dims.Right = new_size.X - 1;
+ SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims);
+ }
+ }
+
GetConsoleScreenBufferInfo (cur_screen, &info);
meta_key = 1;
- char_attr = info.wAttributes & 0xFF;
- char_attr_normal = char_attr;
- char_attr_reverse = ((char_attr & 0xf) << 4) + ((char_attr & 0xf0) >> 4);
-
- FRAME_HEIGHT (selected_frame) = info.dwSize.Y; /* lines per page */
- SET_FRAME_WIDTH (selected_frame, info.dwSize.X); /* characters per line */
-
-// move_cursor (0, 0);
-
-// clear_frame ();
+ char_attr_normal = info.wAttributes;
+ hl_mode (0);
+
+ if (w32_use_full_screen_buffer)
+ {
+ FRAME_HEIGHT (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */
+ SET_FRAME_WIDTH (SELECTED_FRAME (), info.dwSize.X); /* characters per line */
+ }
+ else
+ {
+ /* Lines per page. Use buffer coords instead of buffer size. */
+ FRAME_HEIGHT (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom -
+ info.srWindow.Top;
+ /* Characters per line. Use buffer coords instead of buffer size. */
+ SET_FRAME_WIDTH (SELECTED_FRAME (), 1 + info.srWindow.Right -
+ info.srWindow.Left);
+ }
+
+ /* Setup w32_display_info structure for this frame. */
+
+ w32_initialize_display_info (build_string ("Console"));
+
}
DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0,
Lisp_Object background;
{
char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4);
- char_attr_reverse = XFASTINT (background) + (XFASTINT (foreground) << 4);
Frecenter (Qnil);
return Qt;
#ifndef HAVE_NTGUI
void
-pixel_to_glyph_coords (FRAME_PTR f, int pix_x, int pix_y, int *x, int *y,
+pixel_to_glyph_coords (struct frame * f, int pix_x, int pix_y, int *x, int *y,
void *bounds, int noclip)
{
*x = pix_x;
}
void
-glyph_to_pixel_coords (FRAME_PTR f, int x, int y, int *pix_x, int *pix_y)
+glyph_to_pixel_coords (struct window * f, int x, int y, int *pix_x, int *pix_y)
{
*pix_x = x;
*pix_y = y;
void
syms_of_ntterm ()
{
+ DEFVAR_BOOL ("w32-use-full-screen-buffer",
+ &w32_use_full_screen_buffer,
+ "Non-nil means make terminal frames use the full screen buffer dimensions.\n\
+This is desirable when running Emacs over telnet, and is the default.\n\
+A value of nil means use the current console window dimensions; this\n\
+may be preferrable when working directly at the console with a large\n\
+scroll-back buffer.");
+ w32_use_full_screen_buffer = 1;
+
defsubr (&Sset_screen_color);
defsubr (&Sset_cursor_size);
defsubr (&Sset_message_beep);
HCoop / bpt / emacs.git / blobdiff