-/* Terminal hooks for Windows NT port of GNU Emacs.
- Copyright (C) 1992 Free Software Foundation, Inc.
+/* Terminal hooks for GNU Emacs on the Microsoft W32 API.
+ Copyright (C) 1992, 1999 Free Software Foundation, Inc.
- This file is part of GNU Emacs.
+This file is part of GNU Emacs.
- GNU Emacs is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any later
- version.
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
- GNU Emacs is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- more details.
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
- 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+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.
Tim Fleehart (apollo@online.com) 1-17-92
Geoff Voelker (voelker@cs.washington.edu) 9-12-93
*/
+#include <config.h>
+
#include <stdlib.h>
#include <stdio.h>
-
-#include "config.h"
-
#include <windows.h>
+#include <string.h>
#include "lisp.h"
-#include "frame.h"
+#include "charset.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"
-#include "ntinevt.h"
+#define min(a, b) ((a) < (b) ? (a) : (b))
-/* frrom window.c */
+/* from window.c */
extern Lisp_Object Frecenter ();
/* from keyboard.c */
/* 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);
-static void ring_bell (void);
+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 void reset_kbd (void);
-static void unset_kbd (void);
-static int hl_mode (int new_highlight);
-
-void
-DebPrint ()
-{
-}
-
-/* Init hook called in init_keyboard. */
-void (*keyboard_init_hook)(void) = reset_kbd;
-
-COORD cursor_coords;
-HANDLE prev_screen, cur_screen;
-UCHAR char_attr, char_attr_normal, char_attr_reverse;
+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);
+
+static COORD cursor_coords;
+static HANDLE prev_screen, cur_screen;
+static WORD char_attr_normal;
+static DWORD prev_console_mode;
+
+#ifndef USE_SEPARATE_SCREEN
+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). */
+ someone hits ^C in a 'suspended' session (child shell).
+ Also ignore Ctrl-Break signals. */
+
BOOL
ctrl_c_handler (unsigned long type)
{
- return (type == CTRL_C_EVENT) ? TRUE : FALSE;
+ /* Only ignore "interrupt" events when running interactively. */
+ return (!noninteractive
+ && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT));
}
/* 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 == 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)
{
- SMALL_RECT scroll;
+ struct frame * f = PICK_FRAME ();
COORD dest;
- CHAR_INFO fill;
- FRAME_PTR f = PICK_FRAME ();
-
+ int n;
+ DWORD r;
+ CONSOLE_SCREEN_BUFFER_INFO info;
+
+ GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info);
+
hl_mode (0);
-
- scroll.Top = 0;
- scroll.Bottom = FRAME_HEIGHT (f) - 1;
- scroll.Left = 0;
- scroll.Right = FRAME_WIDTH (f) - 1;
-
- dest.Y = FRAME_HEIGHT (f);
- dest.X = 0;
-
- fill.Char.AsciiChar = 0x20;
- fill.Attributes = char_attr;
-
- ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill);
+
+ /* 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_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);
- /* Here we have to deal with a win32 console flake: If the scroll
+ /* Here we have to deal with a w32 console flake: If the scroll
region looks like abc and we scroll c to a and fill with d we get
cbd... if we scroll block c one line at a time to a, we get cdd...
Emacs expects cdd consistently... So we have to deal with that
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;
-
- 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++;
+ 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 (glyph > glyph_len)
- {
- *ptr++ = glyph & 0xFF;
- continue;
- }
- GLYPH_FOLLOW_ALIASES (glyph_table, glyph_len, glyph);
- if (GLYPH_FACE (fixfix, glyph) != 0)
- printf ("Glyph face is %d\n", GLYPH_FACE (fixfix, glyph));
- 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. */
- memset (attrs, char_attr, len*sizeof (*attrs));
-
- /* Write the attributes. */
- if (!WriteConsoleOutputAttribute (cur_screen, attrs, len, cursor_coords, &i))
+ if (len <= 0)
+ return;
+
+ /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
+ the tail. */
+ terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK;
+
+ while (len > 0)
{
- printf ("Failed writing console attributes.\n");
- 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.\n");
- 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)
{
scroll_line (n, LEFT);
}
-void
-ring_bell (void)
-{
- Beep (666, 100);
-}
+static unsigned int sound_type = 0xFFFFFFFF;
+#define MB_EMACS_SILENT (0xFFFFFFFF - 1)
-/* Reset to the original console mode but don't get rid of our console
- For suspending emacs. */
void
-restore_console (void)
+w32_sys_ring_bell (void)
{
- unset_kbd ();
- SetConsoleActiveScreenBuffer (prev_screen);
+ if (sound_type == 0xFFFFFFFF)
+ {
+ Beep (666, 100);
+ }
+ else if (sound_type == MB_EMACS_SILENT)
+ {
+ /* Do nothing. */
+ }
+ else
+ MessageBeep (sound_type);
}
-/* Put our console back up, for ending a suspended session. */
-void
-take_console (void)
+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, '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;
{
- reset_kbd ();
- SetConsoleActiveScreenBuffer (cur_screen);
+ CHECK_SYMBOL (sound, 0);
+
+ if (NILP (sound))
+ sound_type = 0xFFFFFFFF;
+ else if (EQ (sound, intern ("asterisk")))
+ sound_type = MB_ICONASTERISK;
+ else if (EQ (sound, intern ("exclamation")))
+ sound_type = MB_ICONEXCLAMATION;
+ else if (EQ (sound, intern ("hand")))
+ sound_type = MB_ICONHAND;
+ else if (EQ (sound, intern ("question")))
+ 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;
+
+ return sound;
}
void
reset_terminal_modes (void)
{
- unset_kbd ();
+ hl_mode (0);
+
+#ifdef USE_SEPARATE_SCREEN
SetConsoleActiveScreenBuffer (prev_screen);
- CloseHandle (cur_screen);
- cur_screen = NULL;
+#else
+ SetConsoleCursorInfo (prev_screen, &prev_console_cursor);
+#endif
+ SetConsoleMode (keyboard_handle, prev_console_mode);
}
void
{
CONSOLE_CURSOR_INFO cci;
- if (cur_screen == NULL)
- {
- reset_kbd ();
- cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE,
- 0, NULL,
- CONSOLE_TEXTMODE_BUFFER,
- NULL);
+ hl_mode (0);
- if (cur_screen == INVALID_HANDLE_VALUE)
- {
- printf ("CreateConsoleScreenBuffer failed in ResetTerm\n");
- printf ("LastError = 0x%lx\n", GetLastError ());
- fflush (stdout);
- exit (0);
- }
-
- SetConsoleActiveScreenBuffer (cur_screen);
-
- /* make cursor big and visible */
- cci.dwSize = 100;
- cci.bVisible = TRUE;
- (void) SetConsoleCursorInfo (cur_screen, &cci);
- }
+ /* make cursor big and visible (100 on Win95 makes it disappear) */
+ cci.dwSize = 99;
+ cci.bVisible = TRUE;
+ (void) SetConsoleCursorInfo (cur_screen, &cci);
+
+ SetConsoleActiveScreenBuffer (cur_screen);
+
+ SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT);
+
+ /* Initialize input mode: interrupt_input off, no flow control, allow
+ 8 bit character input, standard quit char. */
+ Fset_input_mode (Qnil, Qnil, make_number (2), Qnil);
}
/* hmmm... perhaps these let us bracket screen changes so that we can flush
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);
}
{
}
-void
-unset_kbd (void)
+/***********************************************************************
+ 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;
{
- SetConsoleMode (keyboard_handle, ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
- ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT);
+ 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;
}
-void
-reset_kbd (void)
+
+/* 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)
{
- keyboard_handle = GetStdHandle (STD_INPUT_HANDLE);
- SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT);
+ /* 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
-initialize_win_nt_display (void)
+initialize_w32_display (void)
{
CONSOLE_SCREEN_BUFFER_INFO info;
- cursor_to_hook = (term_hook) move_cursor;
- raw_cursor_to_hook = (term_hook) move_cursor;
- clear_to_end_hook = (term_hook) clear_to_end;
- clear_frame_hook = (term_hook) clear_frame;
- clear_end_of_line_hook = (term_hook) clear_end_of_line;
- ins_del_lines_hook = (term_hook) ins_del_lines;
- change_line_highlight_hook = (term_hook) change_line_highlight;
- reassert_line_highlight_hook = (term_hook) reassert_line_highlight;
- insert_glyphs_hook = (term_hook) insert_glyphs;
- write_glyphs_hook = (term_hook) write_glyphs;
- delete_glyphs_hook = (term_hook) delete_glyphs;
- ring_bell_hook = (term_hook) ring_bell;
- reset_terminal_modes_hook = (term_hook) reset_terminal_modes;
- set_terminal_modes_hook = (term_hook) set_terminal_modes;
- set_terminal_window_hook = (term_hook) set_terminal_window;
- update_begin_hook = (term_hook) update_begin;
- update_end_hook = (term_hook) update_end;
-
- read_socket_hook = win32_read_socket;
- mouse_position_hook = win32_mouse_position;
-
+ cursor_to_hook = move_cursor;
+ raw_cursor_to_hook = move_cursor;
+ clear_to_end_hook = clear_to_end;
+ clear_frame_hook = clear_frame;
+ clear_end_of_line_hook = clear_end_of_line;
+ ins_del_lines_hook = ins_del_lines;
+ change_line_highlight_hook = change_line_highlight;
+ reassert_line_highlight_hook = reassert_line_highlight;
+ insert_glyphs_hook = insert_glyphs;
+ write_glyphs_hook = write_glyphs;
+ delete_glyphs_hook = delete_glyphs;
+ ring_bell_hook = w32_sys_ring_bell;
+ reset_terminal_modes_hook = reset_terminal_modes;
+ set_terminal_modes_hook = set_terminal_modes;
+ set_terminal_window_hook = set_terminal_window;
+ update_begin_hook = update_begin;
+ update_end_hook = update_end;
+
+ 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);
+ GetConsoleMode (keyboard_handle, &prev_console_mode);
+
prev_screen = GetStdHandle (STD_OUTPUT_HANDLE);
- set_terminal_modes ();
-
+#ifdef USE_SEPARATE_SCREEN
+ cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE,
+ 0, NULL,
+ CONSOLE_TEXTMODE_BUFFER,
+ NULL);
+
+ if (cur_screen == INVALID_HANDLE_VALUE)
+ {
+ printf ("CreateConsoleScreenBuffer failed in ResetTerm\n");
+ printf ("LastError = 0x%lx\n", GetLastError ());
+ fflush (stdout);
+ exit (0);
+ }
+#else
+ cur_screen = prev_screen;
+ 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 */
- 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;
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;
}
+#endif /* !HAVE_NTGUI */
-_VOID_
+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