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GNU tools for NeXTSTEP 3.3
/* X Communication module for terminals which understand the X protocol.
Copyright (C) 1988, 1990 Free Software Foundation, Inc.
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 1, 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.
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. */
/* Written by Yakim Martillo, mods and things by Robert Krawitz */
/* Redone for X11 by Robert French */
/* Thanks to Mark Biggers for all of the Window Manager support */
/*
* $Source: /var/lib/cvsd/repos/xnu/GNUtools/emacs/src/x11term.c,v $
* $Author: root $
* $Locker: $
* $Header: /var/lib/cvsd/repos/xnu/GNUtools/emacs/src/x11term.c,v 1.1.1.1 2018/04/24 17:45:21 root Exp $
*/
#ifndef lint
static char *rcsid_xterm_c = "$Header: /var/lib/cvsd/repos/xnu/GNUtools/emacs/src/x11term.c,v 1.1.1.1 2018/04/24 17:45:21 root Exp $";
#endif lint
/* On 4.3 this loses if it comes after x11term.h.
On hp-ux it loses if it comes after config.h. */
#include <signal.h>
#include <sys/ioctl.h>
/* Load sys/types.h if not already loaded.
In some systems loading it twice is suicidal. */
#ifndef makedev
#include <sys/types.h>
#endif
#include "config.h"
#ifdef HAVE_X_WINDOWS
/* Get FIONREAD, if it is available.
It would be logical to include <sys/ioctl.h> here,
but it was moved up above to avoid problems. */
#ifdef USG
#include <termio.h>
#endif /* USG */
#include <fcntl.h>
#include "lisp.h"
#undef NULL
/* Allow m- file to inhibit use of interrupt-driven input. */
#ifdef BROKEN_FIONREAD
#undef FIONREAD
#endif
/* We are unable to use interrupts if FIONREAD is not available,
so flush SIGIO so we won't try. */
#ifndef FIONREAD
#ifdef SIGIO
#undef SIGIO
#endif
#endif
/* This may include sys/types.h, and that somehow loses
if this is not done before the other system files.
However, perhaps the problem has been avoided by loading types.h above. */
#include "x11term.h"
#include "X11/Xresource.h"
/* Allow the config file to specify whether we can assume X11R4. */
#ifdef SPECIFY_X11R4
#if SPECIFY_X11R4 > 0
#define X11R4
#endif
#else /* not SPECIFY_X11R4 */
/* Try to guess whether this is release 4 or newer. */
#ifdef PBaseSize
#define X11R4
#endif
#endif /* not SPECIFY_X11R4 */
#ifdef HAVE_SOCKETS
#include <sys/socket.h> /* Must be done before gettime.h. */
#endif
/* Include time.h, sys/time.h, or both. */
#include "gettime.h"
#ifdef AIX
static KeySym XMOD_Alt[] = { XK_Alt_L };
static KeySym XMOD_Shift[] = { XK_Shift_L };
static KeySym XMOD_ShiftAlt[] = { XK_Alt_L, XK_Shift_L };
static KeySym XMOD_CtrlAlt[] = { XK_Control_L, XK_Alt_L };
static KeySym XMOD_Ctrl[] = { XK_Control_L };
static KeySym XMOD_CtrlShift[] = { XK_Control_L, XK_Shift_L };
static KeySym XMOD_ShiftCtrlAlt[] = { XK_Control_L, XK_Alt_L, XK_Shift_L };
#endif
#if 0 /* On some machines, stdio.h doesn't define NULL
if stddef.h has been included already! */
#ifdef NULL /* Sometimes various definitions conflict here. */
#undef NULL
#endif
#endif
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#ifdef BSD
#include <strings.h>
#endif
#include <sys/stat.h>
#ifndef NULL
#define NULL 0
#endif
#include "dispextern.h"
#include "termhooks.h"
#include "termopts.h"
#include "termchar.h"
#include "sink11.h"
#include "sink11mask.h"
#define min(a,b) ((a)<(b) ? (a) : (b))
#define max(a,b) ((a)>(b) ? (a) : (b))
extern int errno;
#define sigunblockx(sig) sigblock (SIGEMPTYMASK)
#define sigblockx(sig) sigblock (sigmask ((sig)))
#define METABIT 0200
#define MINWIDTH 12 /* In pixels */
#define MINHEIGHT 5 /* In pixels */
#define MAXHEIGHT 300 /* In lines */
int pixelwidth,pixelheight;
char *progname;
XEvent *XXm_queue[XMOUSEBUFSIZE];
int XXm_queue_num, XXm_queue_in, XXm_queue_out;
char *XXcurrentfont;
XFontStruct *fontinfo;
Font XXfid;
int XXfontw, XXfonth, XXbase, XXisColor;
/* Nonzero means Emacs has explicit keyboard focus. */
int x_focus_flag;
Colormap XXColorMap;
char *default_window;
extern int initialized;
extern int screen_width, screen_height;
extern int delayed_size_change;
/* Function for init_keyboard to call with no args (if nonzero). */
extern void (*keyboard_init_hook) ();
extern char *alternate_display;
extern int xargc;
extern char **xargv;
int XXdebug;
int XXpid;
int WindowMapped;
char *XXidentity; /* Resource name of this invocation of Emacs */
static char *XXicon_name; /* user-supplied icon info */
static int XXicon_usebitmap; /* Use bitmap or not */
static char *XXheader; /* user-supplied window header info */
static int flexlines; /* last line affected by dellines or
* inslines functions */
int VisibleX, VisibleY; /* genuine location of cursor on screen
* if it is there */
/* Last cursor position specified by move_cursor.
During an update, this does not display a cursor on the screen;
But it controls the position that is output. */
static int local_cursor_hpos;
static int local_cursor_vpos;
static int SavedX, SavedY; /* Where the cursor was before update
* started */
int CursorExists; /* during updates cursor is turned off */
int CursorOutline; /* when the pointer is not in the Emacs
* widow the cursor should be drawn in
* outline form a la xterm */
static int InUpdate; /* many of functions here may be invoked
* even if no update in progress; when
* no update is in progress the action
* can be slightly different */
Display *XXdisplay;
int XXscreen;
Window XXwindow;
GC XXgc_norm,XXgc_rev,XXgc_curs,XXgc_temp,XXgc_curs_rev;
XGCValues XXgcv;
Cursor EmacsCursor;
Pixmap SinkPixmap, SinkMaskPixmap;
static XrmDatabase db, db2;
char *fore_color; /* Variables to store color names */
char *back_color;
char *brdr_color;
char *curs_color;
char *mous_color;
unsigned long fore; /* Variables to store pixel values */
unsigned long back;
unsigned long brdr;
unsigned long curs;
char *desiredwindow;
int CurHL; /* Current Highlighting (ala mode line) */
int XXborder; /* Window border width */
int XXInternalBorder; /* Internal border width */
int updated[MAXHEIGHT];
static char *temp_font; /* needed because of loading hacks */
static char *temp_reverseVideo;
static char *temp_borderWidth;
static char *temp_internalBorder;
static char *temp_useBitmap;
struct _xdeftab
{
char *iname; /* instance name */
char *cname; /* class name (fake it) */
char **varp; /* variable to set */
};
static struct _xdeftab xDefaultsValueTable[]
= {
{ "reverseVideo", "ReverseVideo", &temp_reverseVideo },
{ "borderWidth", "BorderWidth", &temp_borderWidth },
{ "internalBorder","BorderWidth", &temp_internalBorder },
{ "bitmapIcon", "BitmapIcon", &temp_useBitmap },
{ "borderColor", "BorderColor", &brdr_color },
{ "background", "Background", &back_color },
{ "foreground", "Foreground", &fore_color },
{ "pointerColor", "Foreground", &mous_color },
{ "cursorColor", "Foreground", &curs_color },
{ "font", "Font", &temp_font },
{ "geometry", "Geometry", &desiredwindow },
{ "title", "Title", &XXheader },
{ "iconName", "Title", &XXicon_name },
{ NULL, NULL, NULL }
};
int (*handler)();
static void x_init_1 ();
static int XInitWindow ();
char *rindex();
/* HLmode -- Changes the GX function for output strings. Could be used to
* change font. Check an XText library function call.
*/
HLmode (new)
int new;
{
extern Lisp_Object inverse_video;
CurHL = new;
}
/* External interface to control of standout mode.
Call this when about to modify line at position VPOS
and not change whether it is highlighted. */
XTreassert_line_highlight (highlight, vpos)
int highlight, vpos;
{
HLmode (highlight);
}
/* Call this when about to modify line at position VPOS
and change whether it is highlighted. */
XTchange_line_highlight (new_highlight, vpos, first_unused_hpos)
int new_highlight, vpos, first_unused_hpos;
{
HLmode (new_highlight);
XTmove_cursor (vpos, 0);
x_clear_end_of_line (0);
}
/* Used for starting or restarting (after suspension) the X window. Puts the
* cursor in a known place, update does not begin with this routine but only
* with a call to redisplay.
*/
XTset_terminal_modes ()
{
int stuffpending;
#ifdef XDEBUG
fprintf (stderr, "XTset_terminal_modes\n");
#endif
InUpdate = 0;
stuffpending = 0;
if (!initialized) {
CursorExists = 0;
CursorOutline = 1;
VisibleX = 0;
VisibleY = 0;
}
XTclear_screen ();
}
/* XTmove_cursor moves the cursor to the correct location and checks whether an
* update is in progress in order to toggle it on.
*/
XTmove_cursor (row, col)
register int row, col;
{
BLOCK_INPUT_DECLARE ();
#ifdef XDEBUG
fprintf (stderr, "XTmove_cursor (X %d, Y %d)\n",col,row);
#endif
BLOCK_INPUT ();
local_cursor_hpos = col;
local_cursor_vpos = row;
if (InUpdate) {
if (CursorExists)
CursorToggle ();
UNBLOCK_INPUT ();
return;
/* Generally, XTmove_cursor will be invoked */
/* when InUpdate with !CursorExists */
/* so that wasteful XFlush is not called */
}
if ((row == VisibleY) && (col == VisibleX)) {
if (!CursorExists)
CursorToggle ();
XFlush (XXdisplay);
UNBLOCK_INPUT ();
return;
}
if (CursorExists)
CursorToggle ();
VisibleX = col;
VisibleY = row;
if (!CursorExists)
CursorToggle ();
XFlush (XXdisplay);
UNBLOCK_INPUT ();
}
/* Used to get the terminal back to a known state after resets. Usually
* used when restarting suspended or waiting emacs
*/
cleanup ()
{
inverse_video = 0;
HLmode (0);
}
/* Erase current line from current column to column END.
Leave cursor at END. */
XTclear_end_of_line (end)
register int end;
{
register int numcols;
BLOCK_INPUT_DECLARE ();
#ifdef XDEBUG
fprintf (stderr, "XTclear_end_of_line (to %d)\n",end);
#endif
if (local_cursor_vpos < 0 || local_cursor_vpos >= screen_height)
return;
if (end <= local_cursor_hpos)
return;
if (end >= screen_width)
end = screen_width;
numcols = end - local_cursor_hpos;
BLOCK_INPUT ();
if (local_cursor_vpos == VisibleY && VisibleX >= local_cursor_hpos && VisibleX < end)
if (CursorExists) CursorToggle ();
if (CurHL)
XFillRectangle (XXdisplay, XXwindow, XXgc_norm,
local_cursor_hpos*XXfontw+XXInternalBorder,
local_cursor_vpos*XXfonth+XXInternalBorder,
XXfontw*numcols,
XXfonth);
else
XClearArea (XXdisplay, XXwindow,
local_cursor_hpos*XXfontw+XXInternalBorder,
local_cursor_vpos*XXfonth+XXInternalBorder,
XXfontw*numcols,
XXfonth,
0);
XTmove_cursor (local_cursor_vpos, end);
UNBLOCK_INPUT ();
}
/* Erase current line from column START to right margin.
Leave cursor at START. */
x_clear_end_of_line (start)
register int start;
{
register int numcols;
BLOCK_INPUT_DECLARE ();
#ifdef XDEBUG
fprintf (stderr, "x_clear_end_of_line (start %d)\n", start);
#endif
if (local_cursor_vpos < 0 || local_cursor_vpos >= screen_height)
return;
if (start >= screen_width)
return;
if (start < 0)
start = 0;
numcols = screen_width - start;
BLOCK_INPUT ();
if (local_cursor_vpos == VisibleY && VisibleX >= start)
if (CursorExists) CursorToggle ();
if (CurHL)
XFillRectangle (XXdisplay, XXwindow, XXgc_norm,
start*XXfontw+XXInternalBorder,
local_cursor_vpos*XXfonth+XXInternalBorder,
XXfontw*numcols,
XXfonth);
else
XClearArea (XXdisplay, XXwindow,
start*XXfontw+XXInternalBorder,
local_cursor_vpos*XXfonth+XXInternalBorder,
XXfontw*numcols,
XXfonth,
0);
XTmove_cursor (local_cursor_vpos, start);
UNBLOCK_INPUT ();
}
XTreset_terminal_modes ()
{
#ifdef XDEBUG
fprintf (stderr, "XTreset_terminal_modes\n");
#endif
XTclear_screen ();
}
XTclear_screen ()
{
BLOCK_INPUT_DECLARE ();
#ifdef XDEBUG
fprintf (stderr, "XTclear_screen\n");
#endif
BLOCK_INPUT ();
HLmode (0);
CursorExists = 0;
local_cursor_hpos = 0;
local_cursor_vpos = 0;
SavedX = 0;
SavedY = 0;
VisibleX = 0;
VisibleY = 0;
XClearWindow(XXdisplay, XXwindow);
CursorToggle ();
if (!InUpdate)
XFlush (XXdisplay);
UNBLOCK_INPUT ();
}
/* used by dumprectangle which is usually invoked upon Expose
* events which come from bit blt's or moving an obscuring opaque window
*/
dumpchars (active_screen, numcols, tempX, tempY, tempHL)
register struct matrix *active_screen;
register int numcols;
register int tempX, tempY, tempHL;
{
if (numcols <= 0)
return;
if (numcols-1+tempX > screen_width)
numcols = screen_width-tempX+1;
if (tempX < 0 || tempX >= screen_width ||
tempY < 0 || tempY >= screen_height)
return;
XDrawImageString(XXdisplay, XXwindow, tempHL ? XXgc_rev : XXgc_norm,
tempX*XXfontw+XXInternalBorder,
tempY*XXfonth+XXInternalBorder+XXbase,
(char *) &active_screen->contents[tempY][tempX],
numcols);
}
/* When a line has been changed this function is called. Due to various
* bits of braindamage on the parts of both X11 and Emacs, the new
* version of the line is simply output if this function is invoked while
* in UpDate. Sometimes writechars can be invoked when not in update if
* text is to be output at the end of the line. In this case the whole
* line is not output. Simply the new text at the current cursor
* position given by VisibleX,Y. The cursor is moved to the end of the
* new text.
*/
updateline (first)
int first;
{
register int temp_length;
BLOCK_INPUT_DECLARE ();
#ifdef XDEBUG
fprintf(stderr, "updateline\n");
#endif /* XDEBUG */
BLOCK_INPUT ();
if ((local_cursor_vpos < 0) || (local_cursor_vpos >= screen_height)
|| updated[local_cursor_vpos]) {
UNBLOCK_INPUT ();
return;
}
if (!first)
updated[local_cursor_vpos] = 1;
if (CursorExists)
CursorToggle ();
if (new_screen->enable[local_cursor_vpos])
temp_length = new_screen->used[local_cursor_vpos]-first;
else
temp_length = 0;
if (temp_length > 0) {
XDrawImageString (XXdisplay, XXwindow,
CurHL ? XXgc_rev : XXgc_norm,
first*XXfontw+XXInternalBorder,
local_cursor_vpos*XXfonth+XXInternalBorder+XXbase,
(char *) &new_screen->contents[local_cursor_vpos][first],
temp_length);
if (temp_length < screen_width)
x_clear_end_of_line (temp_length);
XTmove_cursor (local_cursor_vpos, temp_length);
}
else {
x_clear_end_of_line (0);
XTmove_cursor (local_cursor_vpos, 0);
}
UNBLOCK_INPUT ();
}
writechars (start, end)
register char *start, *end;
{
BLOCK_INPUT_DECLARE ();
#ifdef XDEBUG
fprintf(stderr, "writechars (local_cursor_hpos %d temp_len %d InUpd %d)\n",
local_cursor_hpos, end-start+1, InUpdate);
#endif /* XDEBUG */
BLOCK_INPUT ();
if ((local_cursor_vpos < 0) || (local_cursor_vpos >= screen_height))
{
UNBLOCK_INPUT ();
return;
}
if (CursorExists)
CursorToggle ();
if (InUpdate)
{
XDrawImageString (XXdisplay, XXwindow,
CurHL ? XXgc_rev : XXgc_norm,
local_cursor_hpos*XXfontw+XXInternalBorder,
local_cursor_vpos*XXfonth+XXInternalBorder+XXbase,
start,
(end - start) + 1);
XTmove_cursor (local_cursor_vpos, (end - start) + 1);
UNBLOCK_INPUT ();
return;
}
if ((VisibleX < 0) || (VisibleX >= screen_width)) {
UNBLOCK_INPUT ();
return;
}
if ((VisibleY < 0) || (VisibleY >= screen_height)) {
UNBLOCK_INPUT ();
return;
}
if (((end - start) + VisibleX) >= screen_width)
end = start + (screen_width - (VisibleX + 1));
if (end >= start) {
XDrawImageString (XXdisplay, XXwindow,
CurHL ? XXgc_rev : XXgc_norm,
(VisibleX * XXfontw+XXInternalBorder),
VisibleY * XXfonth+XXInternalBorder+XXbase,
start,
((end - start) + 1));
VisibleX = VisibleX + (end - start) + 1;
}
if (!CursorExists)
CursorToggle ();
UNBLOCK_INPUT ();
}
static
XToutput_chars (start, len)
register char *start;
register int len;
{
#ifdef XDEBUG
fprintf (stderr, "XToutput_chars (len %d)\n",len);
#endif
writechars (start, start+len-1);
}
XTflash ()
{
#ifdef HAVE_TIMEVAL
#ifdef HAVE_SELECT
XGCValues gcv_temp;
struct timeval wakeup, now;
BLOCK_INPUT_DECLARE ();
#ifdef XDEBUG
fprintf (stderr, "XTflash\n");
#endif
BLOCK_INPUT ();
XXgc_temp = XCreateGC(XXdisplay, XXwindow, 0, &gcv_temp);
XSetState(XXdisplay, XXgc_temp, WhitePixel (XXdisplay, XXscreen),
BlackPixel(XXdisplay, XXscreen), GXinvert,
AllPlanes);
/* For speed, flash just 1/4 of the window's area, a rectangle in
the center. */
XFillRectangle (XXdisplay, XXwindow, XXgc_temp,
screen_width*XXfontw/4, screen_height*XXfonth/4,
screen_width*XXfontw/2, screen_height*XXfonth/2);
XFlush (XXdisplay);
UNBLOCK_INPUT ();
gettimeofday (&wakeup, (struct timezone *)0);
/* Compute time to wait until, propagating carry from usecs. */
wakeup.tv_usec += 150000;
wakeup.tv_sec += (wakeup.tv_usec / 1000000);
wakeup.tv_usec %= 1000000;
/* Keep waiting until past the time wakeup. */
while (1)
{
struct timeval timeout;
gettimeofday (&timeout, (struct timezone *)0);
/* In effect, timeout = wakeup - timeout.
Break if result would be negative. */
if (timeval_subtract (&timeout, wakeup, timeout))
break;
/* Try to wait that long--but we might wake up sooner. */
select (0, 0, 0, 0, &timeout);
}
BLOCK_INPUT ();
XFillRectangle (XXdisplay, XXwindow, XXgc_temp,
screen_width*XXfontw/4, screen_height*XXfonth/4,
screen_width*XXfontw/2, screen_height*XXfonth/2);
XFreeGC(XXdisplay, XXgc_temp);
XFlush (XXdisplay);
UNBLOCK_INPUT ();
#endif
#endif
}
XTfeep ()
{
BLOCK_INPUT_DECLARE ();
#ifdef XDEBUG
fprintf (stderr, "XTfeep\n");
#endif
BLOCK_INPUT ();
XBell (XXdisplay, 0);
XFlush (XXdisplay);
UNBLOCK_INPUT ();
}
/* Artificially creating a cursor is hard, the actual position on the
* screen (either where it is or last was) is tracked with VisibleX,Y.
* Gnu Emacs code tends to assume a cursor exists in hardward at local_cursor_hpos,Y
* and that output text will appear there. During updates, the cursor is
* supposed to be blinked out and will only reappear after the update
* finishes.
*/
CursorToggle ()
{
register struct matrix *active_screen;
if (!WindowMapped) {
CursorExists = 0;
CursorOutline = 1;
return 0;
/* Currently the return values are not */
/* used, but I could anticipate using */
/* them in the future. */
}
if (VisibleX < 0 || VisibleX >= screen_width ||
VisibleY < 0 || VisibleY >= screen_height) {
/* Not much can be done */
XFlush (XXdisplay);
CursorExists = 0;
return 0;
}
active_screen = current_screen;
if (active_screen->highlight[VisibleY])
/* If the cursor is in the modeline, it means display was preempted.
Don't actually display the cursor there, just say we did.
The code below doesn't display it right, and nobody wants
to see it anyway. */
;
else if (active_screen->enable[VisibleY]
&& VisibleX < active_screen->used[VisibleY]) {
if (CursorExists)
XDrawImageString(XXdisplay, XXwindow, XXgc_norm,
VisibleX*XXfontw+XXInternalBorder,
VisibleY*XXfonth+XXInternalBorder+XXbase,
(char *) &active_screen->contents[VisibleY][VisibleX],
1);
else if (CursorOutline) {
XDrawImageString(XXdisplay, XXwindow, XXgc_norm,
VisibleX*XXfontw+XXInternalBorder,
VisibleY*XXfonth+XXInternalBorder+XXbase,
(char *) &active_screen->contents[VisibleY][VisibleX],
1);
XDrawRectangle (XXdisplay, XXwindow, XXgc_curs_rev,
VisibleX*XXfontw+XXInternalBorder,
VisibleY*XXfonth+XXInternalBorder,
XXfontw - 1, XXfonth - 1);
} else
XDrawImageString(XXdisplay, XXwindow, XXgc_curs,
VisibleX*XXfontw+XXInternalBorder,
VisibleY*XXfonth+XXInternalBorder+XXbase,
(char *) &active_screen->contents[VisibleY][VisibleX],
1);
}
else {
if (CursorExists)
XClearArea (XXdisplay, XXwindow,
VisibleX*XXfontw+XXInternalBorder,
VisibleY*XXfonth+XXInternalBorder,
XXfontw, XXfonth, 0);
else if (CursorOutline)
XDrawRectangle (XXdisplay, XXwindow, XXgc_curs_rev,
VisibleX*XXfontw+XXInternalBorder,
VisibleY*XXfonth+XXInternalBorder,
XXfontw - 1, XXfonth - 1);
else
XDrawImageString(XXdisplay, XXwindow, XXgc_curs,
VisibleX*XXfontw+XXInternalBorder,
VisibleY*XXfonth+XXInternalBorder+XXbase,
" ", 1);
}
CursorExists = !CursorExists;
if (!InUpdate)
XFlush (XXdisplay);
return 1;
}
/* This routine is used by routines which are called to paint regions */
/* designated by Expose events. If the cursor may be in the exposed */
/* region, this routine makes sure it is gone so that dumprectangle can */
/* toggle it back into existance if dumprectangle is invoked when not in */
/* the midst of a screen update. */
static
ClearCursor ()
{
BLOCK_INPUT_DECLARE ();
BLOCK_INPUT ();
if (!WindowMapped) {
CursorExists = 0;
CursorOutline = 1;
UNBLOCK_INPUT ();
return;
}
if (VisibleX < 0 || VisibleX >= screen_width ||
VisibleY < 0 || VisibleY >= screen_height) {
/* Not much can be done */
CursorExists = 0;
UNBLOCK_INPUT ();
return;
}
XClearArea (XXdisplay, XXwindow,
VisibleX*XXfontw+XXInternalBorder,
VisibleY*XXfonth+XXInternalBorder,
XXfontw, XXfonth, 0);
CursorExists = 0;
UNBLOCK_INPUT ();
}
XTupdate_begin ()
{
BLOCK_INPUT_DECLARE ();
register int i;
#ifdef XDEBUG
fprintf (stderr, "XTupdate_begin\n");
#endif
BLOCK_INPUT ();
InUpdate = 1;
if (CursorExists)
CursorToggle ();
for (i=0;i<MAXHEIGHT;i++)
updated[i] = 0;
SavedX = local_cursor_hpos;
SavedY = local_cursor_vpos;
/* Thw initial "hardware" cursor position is */
/* saved because that is where gnu emacs */
/* expects the cursor to be at the end of */
/* the update */
UNBLOCK_INPUT ();
}
XTupdate_end ()
{
BLOCK_INPUT_DECLARE ();
#ifdef XDEBUG
fprintf (stderr, "XTupdate_end\n");
#endif
BLOCK_INPUT ();
if (CursorExists)
CursorToggle ();
InUpdate = 0;
/* Display cursor at last place requested. */
XTmove_cursor (local_cursor_vpos, local_cursor_hpos);
XFlush (XXdisplay);
UNBLOCK_INPUT ();
}
/* Used for Expose events. Have to get the text
* back into the newly blank areas.
*/
dumprectangle (top, left, rows, cols)
register int top, left, rows, cols;
{
register struct matrix *active_screen;
register int ourindex;
int localX, localY, localHL;
if (top < 0)
top = 0;
if (left < 0)
left = 0;
rows += top;
cols += left;
top /= XXfonth;
/* Get row and col containing up and */
/* left borders of exposed region -- */
/* round down here*/
left /= XXfontw;
rows += XXfonth-1;
cols += XXfontw-1;
rows /= XXfonth;
/* Get row and col containing bottom and */
/* right borders -- round up here */
rows -= top;
cols /= XXfontw;
cols -= left;
if (rows < 0)
return;
if (cols < 0)
return;
if (top > screen_height - 1)
return;
if (left > screen_width - 1)
return;
if (VisibleX >= left && VisibleX < left + cols &&
VisibleY >= top && VisibleY < top + rows)
ClearCursor ();
if (InUpdate)
active_screen = new_screen;
else
/* When queue is dumped in update this */
active_screen = current_screen;
for (localY = top, ourindex = 0;
ourindex < rows && localY < screen_height;
++ourindex, ++localY) {
if (localY < 0 || localY >= screen_height ||
!active_screen->enable[localY] ||
left+1 > active_screen->used[localY])
continue;
localX = left;
localHL = active_screen->highlight[localY];
dumpchars (active_screen,
min (cols,
active_screen->used[localY]-localX),
localX, localY, localHL);
}
if (!InUpdate && !CursorExists)
CursorToggle ();
/* Routine usually called */
/* when not in update */
}
/* What sections of the window will be modified from the UpdateDisplay
* routine is totally under software control. Any line with Y coordinate
* greater than flexlines will not change during an update. This is really
* used only during dellines and inslines routines (scraplines and stufflines)
*/
XTset_terminal_window (n)
register int n;
{
#ifdef XDEBUG
fprintf (stderr, "XTset_terminal_window\n");
#endif
if (n <= 0 || n > screen_height)
flexlines = screen_height;
else
flexlines = n;
}
XTins_del_lines (vpos, n)
int vpos, n;
{
#ifdef XDEBUG
fprintf (stderr, "XTins_del_lines\n");
#endif
XTmove_cursor (vpos, 0);
if (n >= 0)
stufflines (n);
else
scraplines (-n);
}
/* Estimate the cost of scrolling as equal to drawing one fifth
of the character cells copied if black and white,
or half of those characters if color. */
static
XTcalculate_costs (extra, costvec, ncostvec)
int extra;
int *costvec, *ncostvec;
{
int color_p = DisplayCells (XXdisplay, XXscreen) > 2;
CalcLID (0, screen_width / (color_p ? 2 : 5), 0, 0, costvec, ncostvec);
}
static
XTinsert_chars (start, len)
register char *start;
register int len;
{
#ifdef XDEBUG
fprintf (stderr, "XTinsert_chars\n");
#endif
updateline (0);
}
static
XTdelete_chars (n)
register int n;
{
char *msg = "Major foobars! This shouldn't show up!";
#ifdef XDEBUG
fprintf (stderr, "XTdelete_chars (num %d local_cursor_hpos %d)\n",n,local_cursor_hpos);
#endif
updateline (0);
}
stufflines (n)
register int n;
{
register int topregion, bottomregion;
register int length, newtop;
BLOCK_INPUT_DECLARE ();
if (local_cursor_vpos >= flexlines)
return;
BLOCK_INPUT ();
if (CursorExists)
CursorToggle ();
topregion = local_cursor_vpos;
bottomregion = flexlines-(n+1);
newtop = local_cursor_vpos+n;
length = bottomregion-topregion+1;
if (length > 0 && newtop <= flexlines) {
XCopyArea (XXdisplay, XXwindow, XXwindow, XXgc_norm,
XXInternalBorder,
topregion*XXfonth+XXInternalBorder,
screen_width*XXfontw,
length*XXfonth,
XXInternalBorder, newtop*XXfonth+XXInternalBorder);
}
newtop = min (newtop, flexlines-1);
length = newtop-topregion;
if (length > 0)
XClearArea (XXdisplay, XXwindow,
XXInternalBorder,
topregion*XXfonth+XXInternalBorder,
screen_width*XXfontw,
n*XXfonth, 0);
UNBLOCK_INPUT ();
}
scraplines (n)
register int n;
{
BLOCK_INPUT_DECLARE ();
if (local_cursor_vpos >= flexlines)
return;
BLOCK_INPUT ();
if (CursorExists)
CursorToggle ();
if (local_cursor_vpos+n >= flexlines) {
if (flexlines >= (local_cursor_vpos + 1))
XClearArea (XXdisplay, XXwindow,
XXInternalBorder,
local_cursor_vpos*XXfonth+XXInternalBorder,
screen_width*XXfontw,
(flexlines-local_cursor_vpos) * XXfonth,
0);
UNBLOCK_INPUT ();
}
else {
XCopyArea (XXdisplay, XXwindow, XXwindow, XXgc_norm,
XXInternalBorder,
(local_cursor_vpos+n)*XXfonth+XXInternalBorder,
screen_width*XXfontw,
(flexlines-local_cursor_vpos-n)*XXfonth,
XXInternalBorder, local_cursor_vpos*XXfonth+XXInternalBorder);
XClearArea (XXdisplay, XXwindow, XXInternalBorder,
(flexlines-n)*XXfonth+XXInternalBorder,
screen_width*XXfontw,
n*XXfonth, 0);
UNBLOCK_INPUT ();
}
}
/* Substitutes for standard read routine. Under X not interested in individual
* bytes but rather individual packets.
*/
XTread_socket (sd, bufp, numchars)
register int sd;
register char *bufp;
register int numchars;
{
#ifdef XDEBUG
fprintf(stderr,"XTread_socket\n");
#endif
return (internal_socket_read (bufp, numchars));
}
/*
* Interpreting incoming keycodes. Should have table modifiable as needed
* from elisp.
*/
#ifdef sun
char *stringFuncVal(keycode)
KeySym keycode;
{
switch (keycode) {
case XK_L1:
return("192");
case XK_L2:
return("193");
case XK_L3:
return("194");
case XK_L4:
return("195");
case XK_L5:
return("196");
case XK_L6:
return("197");
case XK_L7:
return("198");
case XK_L8:
return("199");
case XK_L9:
return("200");
case XK_L10:
return("201");
case XK_R1:
return("208");
case XK_R2:
return("209");
case XK_R3:
return("210");
case XK_R4:
return("211");
case XK_R5:
return("212");
case XK_R6:
return("213");
case XK_R7:
return("214");
case XK_R8:
return("215");
case XK_R9:
return("216");
case XK_R10:
return("217");
case XK_R11:
return("218");
case XK_R12:
return("219");
case XK_R13:
return("220");
case XK_R14:
return("221");
case XK_R15:
return("222");
case XK_Break: /* Sun3 "Alternate" key */
return("223");
case XK_F1:
return("224");
case XK_F2:
return("225");
case XK_F3:
return("226");
case XK_F4:
return("227");
case XK_F5:
return("228");
case XK_F6:
return("229");
case XK_F7:
return("230");
case XK_F8:
return("231");
case XK_F9:
return("232");
case XK_F10:
return("233");
default:
return("-1");
}
}
#else
#ifndef AIX
char *stringFuncVal(keycode)
KeySym keycode;
{
switch (keycode) {
case XK_F1:
return("11");
case XK_F2:
return("12");
case XK_F3:
return("13");
case XK_F4:
return("14");
case XK_F5:
return("15");
case XK_F6:
return("17");
case XK_F7:
return("18");
case XK_F8:
return("19");
case XK_F9:
return("20");
case XK_F10:
return("21");
case XK_F11:
return("23");
case XK_F12:
return("24");
case XK_F13:
return("25");
case XK_F14:
return("26");
case XK_F15:
return("28");
case XK_Help:
return("28");
case XK_F16:
return("29");
case XK_Menu:
return("29");
case XK_F17:
return("31");
case XK_F18:
return("32");
case XK_F19:
return("33");
case XK_F20:
return("34");
case XK_Find :
return("1");
case XK_Insert:
return("2");
case XK_Delete:
return("3");
case XK_Select:
return("4");
case XK_Prior:
return("5");
case XK_Next:
return("6");
default:
return("-1");
}
}
#endif /* not AIX */
#endif /* not sun */
internal_socket_read(bufp, numchars)
register unsigned char *bufp;
register int numchars;
{
/* Number of keyboard chars we have produced so far. */
int count = 0;
int nbytes;
char mapping_buf[20];
BLOCK_INPUT_DECLARE ();
XEvent event;
/* Must be static since data is saved between calls. */
static XComposeStatus status;
KeySym keysym;
SIGMASKTYPE oldmask;
BLOCK_INPUT ();
#ifdef BSD
#ifndef BSD4_1
oldmask = sigblock (sigmask (SIGALRM));
#endif
#endif
#ifdef FIOSNBIO
/* If available, Xlib uses FIOSNBIO to make the socket
non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, FIOSNBIO is
ignored, and instead of signalling EWOULDBLOCK, a read returns
0, which Xlib interprets as equivalent to EPIPE. */
fcntl (fileno (stdin), F_SETFL, 0);
#endif
#ifndef HAVE_SELECT
if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY))
{
extern int read_alarm_should_throw;
read_alarm_should_throw = 1;
XPeekEvent (XXdisplay,&event);
read_alarm_should_throw = 0;
}
#endif
while (XPending (XXdisplay)) {
XNextEvent (XXdisplay,&event);
event.type &= 0177; /* Mask out XSendEvent indication */
switch (event.type) {
default:
break;
case MappingNotify:
XRefreshKeyboardMapping(&event.xmapping);
break;
case MapNotify:
WindowMapped = 1;
break;
case UnmapNotify:
WindowMapped = 0;
break;
case ConfigureNotify:
if (abs(pixelheight-event.xconfigure.height) >= XXfonth
|| abs(pixelwidth-event.xconfigure.width) >= XXfontw)
{
int rows, cols;
rows = (event.xconfigure.height-2*XXInternalBorder)/XXfonth;
cols = (event.xconfigure.width-2*XXInternalBorder)/XXfontw;
pixelwidth = cols*XXfontw+2*XXInternalBorder;
pixelheight = rows*XXfonth+2*XXInternalBorder;
/* This is absolutely, amazingly gross. However, without
it, emacs will core dump if the window gets too small.
And uwm is too brain-damaged to handle large minimum size
windows. */
if (cols > 11 && rows > 4)
/* Delay the change unless Emacs is waiting for input. */
change_screen_size (rows, cols, 0, !waiting_for_input, 1);
}
break;
case Expose:
if (!delayed_size_change)
dumprectangle (event.xexpose.y-XXInternalBorder,
event.xexpose.x-XXInternalBorder,
event.xexpose.height,
event.xexpose.width);
break;
case GraphicsExpose:
if (!delayed_size_change)
dumprectangle (event.xgraphicsexpose.y-XXInternalBorder,
event.xgraphicsexpose.x-XXInternalBorder,
event.xgraphicsexpose.height,
event.xgraphicsexpose.width);
break;
case NoExpose:
break;
#if 0
case FocusIn:
case FocusOut:
case EnterNotify:
case LeaveNotify:
{
int cursor = -1; /* 0=on, 1=off, -1=no change */
if (event.type == FocusIn) cursor = 0;
else if (event.type == FocusOut) cursor = 1;
else
{
Window focus;
int revert_to; /* dummy return val */
XGetInputFocus (XXdisplay, &focus, &revert_to);
if (focus == PointerRoot)
cursor = (event.type == LeaveNotify) ? 1 : 0;
}
if (cursor == -1) break;
CursorToggle();
CursorOutline = cursor;
CursorToggle();
}
#endif
case FocusIn:
/* [email protected] says adding the following line fixes the
problems with grabbing and twm. */
if (event.xfocus.mode == NotifyNormal)
x_focus_flag = 1;
case EnterNotify:
if (event.type == FocusIn || (!x_focus_flag && event.xcrossing.focus))
{
CursorToggle ();
CursorOutline = 0;
CursorToggle ();
}
break;
case FocusOut:
x_focus_flag = 0;
case LeaveNotify:
if (event.type == FocusOut || (!x_focus_flag && event.xcrossing.focus))
{
CursorToggle ();
CursorOutline = 1;
CursorToggle ();
}
break;
case KeyPress:
nbytes = XLookupString (&event.xkey,
mapping_buf, 20, &keysym,
0);
#ifndef AIX
/* Someday this will be unnecessary as we will
be able to use XRebindKeysym so XLookupString
will have already given us the string we want. */
if (IsFunctionKey(keysym)
|| IsMiscFunctionKey(keysym)
|| keysym == XK_Prior
|| keysym == XK_Next) {
strcpy(mapping_buf,"[");
strcat(mapping_buf,stringFuncVal(keysym));
#ifdef sun
strcat(mapping_buf,"z");
#else
strcat(mapping_buf,"~");
#endif /* sun */
nbytes = strlen(mapping_buf);
}
else {
#endif /* not AIX */
switch (keysym) {
case XK_Left:
strcpy(mapping_buf,"\002");
nbytes = 1;
break;
case XK_Right:
strcpy(mapping_buf,"\006");
nbytes = 1;
break;
case XK_Up:
strcpy(mapping_buf,"\020");
nbytes = 1;
break;
case XK_Down:
strcpy(mapping_buf,"\016");
nbytes = 1;
break;
}
#ifndef AIX
}
#endif /* not AIX */
if (nbytes) {
if ((nbytes == 1) && (event.xkey.state & Mod1Mask))
*mapping_buf |= METABIT;
if ((nbytes == 1) && (event.xkey.state & ControlMask))
*mapping_buf &= 0x9F; /* mask off bits 1 and 2 */
if (numchars-nbytes > 0) {
bcopy (mapping_buf, bufp, nbytes);
bufp += nbytes;
count += nbytes;
numchars -= nbytes;
}
}
break;
case ButtonPress:
case ButtonRelease:
*bufp++ = (char) 'X' & 037;
++count;
--numchars;
*bufp++ = (char) '@' & 037;
++count;
--numchars;
if (XXm_queue_num == XMOUSEBUFSIZE)
break;
XXm_queue[XXm_queue_in] = (XEvent *) malloc (sizeof(XEvent));
*XXm_queue[XXm_queue_in] = event;
XXm_queue_num++;
XXm_queue_in = (XXm_queue_in + 1) % XMOUSEBUFSIZE;
break;
}
}
if (CursorExists)
xfixscreen ();
#ifdef BSD
#ifndef BSD4_1
sigsetmask (oldmask);
#endif
#endif
UNBLOCK_INPUT ();
return count;
}
/* Exit gracefully from gnuemacs, doing an autosave and giving a status.
*/
XExitGracefully ()
{
XCleanUp();
exit (70);
}
XIgnoreError ()
{
return 0;
}
static int server_ping_timer;
xfixscreen ()
{
BLOCK_INPUT_DECLARE ();
if (server_ping_timer > 0)
server_ping_timer--;
else
{
server_ping_timer = 100;
/* Yes, this is really what I mean -- Check to see if we've
* lost our connection */
BLOCK_INPUT ();
XSetErrorHandler(0);
XSetIOErrorHandler(0);
XNoOp (XXdisplay);
XFlush (XXdisplay);
XSetErrorHandler(handler);
XSetIOErrorHandler(handler);
if (!InUpdate && !CursorExists)
CursorToggle ();
UNBLOCK_INPUT ();
}
}
/* ------------------------------------------------------------
*/
static int reversevideo;
static int
XT_GetDefaults (class)
char *class;
{
register struct _xdeftab *entry;
char *iname, *cname;
char *disp = 0, *scrn = 0;
int len = strlen (CLASS);
if (strlen (class) > len)
len = strlen (class);
/* 100 is bigger than any of the resource names in our fixed set. */
iname = (char *) alloca (len + 100);
cname = (char *) alloca (len + 100);
XrmInitialize ();
/* Merge all databases on root window. */
disp = XResourceManagerString (XXdisplay);
if (disp) db = XrmGetStringDatabase (disp);
#if (XlibSpecificationRelease >= 5)
scrn = XScreenResourceString (ScreenOfDisplay (XXdisplay, XXscreen));
if (scrn) db2 = XrmGetStringDatabase (scrn);
/* Screen database takes precedence over global database. */
XrmMergeDatabases (db2, &db);
#endif
/*
* Walk the table reading in the resources. Instance names supersede
* class names.
*/
for (entry = xDefaultsValueTable; entry->iname; entry++)
{
/* Build the instance name and class name of resource. */
XrmValue value;
char *dummy;
register char *option;
strcpy (iname, class);
strcat (iname, ".");
strcat (iname, entry->iname);
strcpy (cname, CLASS);
strcat (cname, ".");
strcat (cname, entry->cname);
if (XrmGetResource (db, iname, cname, &dummy, &value))
{
if (entry->varp)
*entry->varp = (char*)value.addr;
}
else
{
#ifdef XBACKWARDS
if (!(option = XGetDefault (XXdisplay, entry->iname, class)))
if (!(option = XGetDefault (XXdisplay, entry->iname, CLASS)))
if (!(option = XGetDefault (XXdisplay, entry->cname, class)))
option = XGetDefault (XXdisplay, entry->cname, CLASS);
#else
if (!(option = XGetDefault (XXdisplay, class, entry->iname)))
if (!(option = XGetDefault (XXdisplay, CLASS, entry->iname)))
if (!(option = XGetDefault (XXdisplay, class, entry->cname)))
option = XGetDefault (XXdisplay, CLASS, entry->cname);
#endif
if (option && entry->varp)
*entry->varp = option;
}
}
/*
* Now set global variables that aren't character strings; yes it would
* be nice to do this automatically as part of the scanning step, but this
* is less likely to screw up. The real answer is to use the resource
* manager.
*/
if (temp_reverseVideo)
{
if (strcmp (temp_reverseVideo, "on") == 0)
reversevideo = 1;
else if (strcmp (temp_reverseVideo, "off") == 0)
reversevideo = 0;
}
if (temp_borderWidth)
XXborder = atoi (temp_borderWidth);
if (temp_internalBorder)
XXInternalBorder = atoi (temp_internalBorder);
if (temp_useBitmap)
{
if (strcmp (temp_useBitmap, "on") == 0)
XXicon_usebitmap = 1;
else if (strcmp (temp_useBitmap, "off") == 0)
XXicon_usebitmap = 0;
}
return 0;
}
x_error_handler (disp, event)
Display *disp;
XErrorEvent *event;
{
char msg[200];
XGetErrorText (disp, event->error_code, msg, 200);
fprintf (stderr, "Fatal X-windows error: %s\n", msg);
Fkill_emacs (make_number (70));
}
x_io_error_handler ()
{
int save_errno = errno;
if (errno == EPIPE)
kill (0, SIGHUP);
Fdo_auto_save ();
errno = save_errno;
perror ("Fatal X-windows I/O error");
kill (0, SIGILL);
}
x_term_init ()
{
register char *vardisplay;
register int xxargc;
register char **xxargv;
char *ptr;
XColor cdef;
extern char *getenv ();
extern XTinterrupt_signal ();
extern char *malloc ();
extern Lisp_Object Vxterm, Vxterm1, Qt;
extern int XIgnoreError();
int ix;
vardisplay = (alternate_display ? alternate_display : "");
if (!vardisplay) {
fprintf (stderr, "DISPLAY environment variable must be set\n");
exit (-200);
}
XXdisplay = XOpenDisplay (vardisplay);
if (XXdisplay == (Display *) 0) {
fprintf (stderr, "X server not responding. Check your DISPLAY environment variable.\n");
exit (-99);
}
XXscreen = DefaultScreen (XXdisplay);
XXisColor = DisplayCells (XXdisplay, XXscreen) > 2;
XXColorMap = DefaultColormap (XXdisplay, XXscreen);
XSetErrorHandler (x_error_handler);
XSetIOErrorHandler (x_io_error_handler);
signal (SIGPIPE, x_io_error_handler);
WindowMapped = 0;
baud_rate = 9600;
min_padding_speed = 10000;
must_write_spaces = 1;
meta_key = 1;
visible_bell = 1;
inverse_video = 0;
fix_screen_hook = xfixscreen;
clear_screen_hook = XTclear_screen;
clear_end_of_line_hook = XTclear_end_of_line;
ins_del_lines_hook = XTins_del_lines;
change_line_highlight_hook = XTchange_line_highlight;
insert_chars_hook = XTinsert_chars;
output_chars_hook = XToutput_chars;
delete_chars_hook = XTdelete_chars;
ring_bell_hook = XTfeep;
reset_terminal_modes_hook = XTreset_terminal_modes;
set_terminal_modes_hook = XTset_terminal_modes;
update_begin_hook = XTupdate_begin;
update_end_hook = XTupdate_end;
set_terminal_window_hook = XTset_terminal_window;
read_socket_hook = XTread_socket;
move_cursor_hook = XTmove_cursor;
reassert_line_highlight_hook = XTreassert_line_highlight;
scroll_region_ok = 1; /* we'll scroll partial screens */
char_ins_del_ok = 0;
line_ins_del_ok = 1; /* we'll just blt 'em */
fast_clear_end_of_line = 1; /* X does this well */
memory_below_screen = 0; /* we don't remember what scrolls
* off the bottom */
dont_calculate_costs = 1;
calculate_costs_hook = XTcalculate_costs;
/* New options section */
XXborder = 1;
XXInternalBorder = 1;
screen_width = 80;
screen_height = 66;
reversevideo = 0;
XXdebug = 0;
XXm_queue_num = 0;
XXm_queue_in = 0;
XXm_queue_out = 0;
#if 0
handler = XIgnoreError;
XSetErrorHandler (handler);
XSetIOErrorHandler (handler);
#endif
desiredwindow =
XXcurrentfont =
XXidentity =
XXicon_name =
XXheader = (char *) NULL;
XXicon_usebitmap = 0;
#ifdef X_DEFAULT_FONT
temp_font = X_DEFAULT_FONT;
#else
temp_font = "fixed";
#endif
progname = xargv[0];
if (ptr = rindex(progname, '/'))
progname = ptr+1;
XXpid = getpid ();
default_window = "=80x24+0+0";
#if 0
handler = XIgnoreError;
XSetErrorHandler (handler);
XSetIOErrorHandler (handler);
#endif
/* Get resource name and its defaults, it it exists...
*/
for (ix = 1; ix < xargc && xargv[ix][0] == '-'; ix++)
{
int valx;
if (strcmp(xargv[ix], "-rn") == 0 &&
(valx = ix + 1) < xargc)
{
XXidentity = (char *) xmalloc (strlen(xargv[valx]) + 1 );
(void) strcpy(XXidentity, xargv[valx]);
break;
}
}
if (!XXidentity)
{
char *t;
if ( (t = getenv("WM_RES_NAME")) != (char *) NULL )
XXidentity = t;
if (!XXidentity)
{
XXidentity = progname;
}
}
if (XXidentity)
XT_GetDefaults(XXidentity);
else
XT_GetDefaults(CLASS);
XXpid = getpid ();
default_window = "=80x24+0+0";
/* Process X command line args...*/
xxargc = xargc;
xxargv = xargv;
xxargv++;
xxargc--;
while (xxargc) {
int sargc;
sargc = xxargc;
if (xxargc && !strcmp (*xxargv, "-r")) {
reversevideo = !reversevideo;
xxargc--;
xxargv++;
}
if ((xxargc > 1) && (!strcmp (*xxargv, "-font") ||
!strcmp (*xxargv, "-fn"))) {
xxargc--;
xxargv++;
if (XXcurrentfont != NULL)
free(XXcurrentfont);
XXcurrentfont = (char *) xmalloc (strlen (*xxargv)+1);
strcpy (XXcurrentfont, *xxargv);
xxargc--;
xxargv++;
}
if ((xxargc > 1) && !strcmp (*xxargv, "-wn")) {
xxargc--;
xxargv++;
XXheader = (char *) xmalloc (strlen (*xxargv)+1);
strcpy (XXheader, *xxargv);
xxargc--;
xxargv++;
}
if ((xxargc > 1) && !strcmp (*xxargv, "-in")) {
xxargc--;
xxargv++;
XXicon_name = (char *) xmalloc (strlen (*xxargv)+1);
strcpy (XXicon_name, *xxargv);
xxargc--;
xxargv++;
}
if (xxargc && !strcmp (*xxargv, "-i")) {
xxargc--;
xxargv++;
XXicon_usebitmap = 1;
}
if ((xxargc > 1) && !strcmp (*xxargv, "-b")) {
xxargc--;
xxargv++;
XXborder = atoi (*xxargv);
xxargc--;
xxargv++;
}
if ((xxargc > 1) && !strcmp (*xxargv, "-ib")) {
xxargc--;
xxargv++;
XXInternalBorder = atoi (*xxargv);
xxargc--;
xxargv++;
}
if ((xxargc > 1) && (!strcmp (*xxargv, "-w") ||
!strcmp (*xxargv, "-geometry"))) {
xxargc--;
xxargv++;
desiredwindow = (char *) xmalloc (strlen (*xxargv)+1);
strcpy (desiredwindow, *xxargv);
xxargc--;
xxargv++;
}
if (XXisColor) {
if ((xxargc > 1 && !strcmp (*xxargv, "-fg"))) {
xxargc--;
xxargv++;
fore_color =
(char *) xmalloc (strlen (*xxargv)+1);
strcpy (fore_color, *xxargv);
xxargc--;
xxargv++;
}
if ((xxargc > 1 && !strcmp (*xxargv, "-bg"))) {
xxargc--;
xxargv++;
back_color =
(char *) xmalloc (strlen (*xxargv)+1);
strcpy (back_color, *xxargv);
xxargc--;
xxargv++;
}
if ((xxargc > 1 && !strcmp (*xxargv, "-bd"))) {
xxargc--;
xxargv++;
brdr_color =
(char *) xmalloc (strlen (*xxargv)+1);
strcpy (brdr_color, *xxargv);
xxargc--;
xxargv++;
}
if ((xxargc > 1 && !strcmp (*xxargv, "-cr"))) {
xxargc--;
xxargv++;
curs_color =
(char *) xmalloc (strlen (*xxargv)+1);
strcpy (curs_color, *xxargv);
xxargc--;
xxargv++;
}
if ((xxargc > 1 && !strcmp (*xxargv, "-ms"))) {
xxargc--;
xxargv++;
mous_color =
(char *) xmalloc (strlen (*xxargv)+1);
strcpy (mous_color, *xxargv);
xxargc--;
xxargv++;
}
}
if (sargc == xxargc) {
xxargc--;
xxargv++;
}
}
/* Now, actually Parse and Set colors...
*/
if (XXisColor) {
if (fore_color || back_color)
reversevideo = 0;
if (fore_color &&
XParseColor (XXdisplay, XXColorMap, fore_color, &cdef) &&
XAllocColor (XXdisplay, XXColorMap, &cdef))
fore = cdef.pixel;
else {
fore_color = black_color;
fore = BlackPixel (XXdisplay, XXscreen);
}
if (back_color &&
XParseColor (XXdisplay, XXColorMap, back_color, &cdef) &&
XAllocColor (XXdisplay, XXColorMap, &cdef))
back = cdef.pixel;
else {
back_color = white_color;
back = WhitePixel (XXdisplay, XXscreen);
}
if (curs_color &&
XParseColor (XXdisplay, XXColorMap, curs_color, &cdef) &&
XAllocColor (XXdisplay, XXColorMap, &cdef))
curs = cdef.pixel;
else {
curs_color = black_color;
curs = BlackPixel (XXdisplay, XXscreen);
}
if (mous_color &&
XParseColor (XXdisplay, XXColorMap, mous_color, &cdef) &&
XAllocColor (XXdisplay, XXColorMap, &cdef))
;
else mous_color = black_color;
if (brdr_color &&
XParseColor (XXdisplay, XXColorMap, brdr_color, &cdef) &&
XAllocColor (XXdisplay, XXColorMap, &cdef))
brdr = cdef.pixel;
else {
brdr_color = black_color;
brdr = BlackPixel (XXdisplay, XXscreen);
}
}
else {
fore_color = curs_color = mous_color = brdr_color
= black_color;
fore = curs = brdr = BlackPixel (XXdisplay, XXscreen);
back_color = white_color;
back = WhitePixel (XXdisplay, XXscreen);
}
if (reversevideo) {
int tempcolor;
char *tempname;
brdr = back;
brdr_color = back_color;
tempcolor = fore;
fore = back;
back = tempcolor;
tempname = fore_color;
fore_color = back_color;
back_color = tempname;
if (!strcmp (mous_color, back_color))
mous_color = fore_color;
else if (!strcmp (mous_color, fore_color))
mous_color = back_color;
if (!strcmp (curs_color, back_color))
curs_color = fore_color, curs = fore;
else if (!strcmp (curs_color, fore_color))
curs_color = back_color, curs = back;
}
if (!XXcurrentfont)
{
XXcurrentfont = (char *) xmalloc (strlen (temp_font) + 1);
if (!XXcurrentfont) {
fprintf (stderr, "Memory allocation failure.\n");
exit (-150);
}
strcpy (XXcurrentfont, temp_font);
}
signal (SIGPIPE, XExitGracefully);
#ifndef CANNOT_DUMP
if (initialized)
#endif /* CANNOT_DUMP */
Vxterm = Qt;
Fset (intern ("window-system-version"), make_number (11));
XInitWindow ();
keyboard_init_hook = x_init_1;
}
/* Initialize for keyboard input using X.
This is called by init_keyboard via keyboard_init_hook. */
static void
x_init_1 ()
{
#ifdef F_SETOWN
extern int old_fcntl_owner;
#endif
dup2 (ConnectionNumber(XXdisplay), 0);
#ifndef SYSV_STREAMS
/* Streams somehow keeps track of which descriptor number
is being used to talk to X. So it is not safe to substitute
descriptor 0. But it is safe to make descriptor 0 a copy of it. */
close (ConnectionNumber(XXdisplay));
ConnectionNumber(XXdisplay) = 0; /* Looks a little strange?
* check the def of the macro;
* it is a genuine lvalue */
#endif
#ifdef USG
setpgrp (); /* No arguments but equivalent in this case */
#else
setpgrp (0, getpid ());
#endif /* USG */
#ifdef F_SETOWN
old_fcntl_owner = fcntl (0, F_GETOWN, 0);
#ifdef F_SETOWN_SOCK_NEG
fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */
#else
fcntl (0, F_SETOWN, getpid ());
#endif /* F_SETOWN_SOCK_NEG */
#endif /* F_SETOWN */
/* Enable interrupt_input because otherwise we cannot asynchronously
detect C-g sent as a keystroke event from the X server. */
Fset_input_mode (Qt, Qnil, Qnil);
}
XSetFlash ()
{
ring_bell_hook = XTflash;
}
XSetFeep ()
{
ring_bell_hook = XTfeep;
}
/* ------------------------------------------------------------
* Load a font by name. Return the font pointer, or NULL if
* it can't be loaded. Do all appropriate calculations.
*/
static XFontStruct *
XT_CalcForFont(fontname)
char *fontname;
{
XFontStruct *fontp;
if ( (fontp = XLoadQueryFont(XXdisplay, fontname)) == (XFontStruct *) 0 )
{
return (XFontStruct *) NULL;
}
XXfid = fontp->fid;
XXfonth = fontp->ascent + fontp->descent;
XXfontw = fontp->max_bounds.width;
XXbase = fontp->ascent;
return fontp;
}
/* ------------------------------------------------------------
*/
XNewFont (newname)
register char *newname;
{
XFontStruct *temp;
BLOCK_INPUT_DECLARE ();
BLOCK_INPUT ();
XFlush (XXdisplay);
temp = XT_CalcForFont(newname);
if (temp == (XFontStruct *) NULL)
{
UNBLOCK_INPUT ();
return -1;
}
XSetFont (XXdisplay, XXgc_norm, XXfid);
XSetFont (XXdisplay, XXgc_rev, XXfid);
XSetFont (XXdisplay, XXgc_curs, XXfid);
XSetFont (XXdisplay, XXgc_curs_rev, XXfid);
XFreeFont (XXdisplay, fontinfo);
fontinfo = temp;
XSetWindowSize(screen_height, screen_width);
UNBLOCK_INPUT ();
return 0;
}
/* Flip foreground/background colors */
XFlipColor ()
{
int tempcolor;
char *tempname;
XColor forec, backc;
BLOCK_INPUT_DECLARE ();
BLOCK_INPUT ();
CursorToggle ();
XSetWindowBackground(XXdisplay, XXwindow, fore);
if (XXborder)
XSetWindowBorder(XXdisplay, XXwindow, back);
brdr = back;
brdr_color = back_color;
tempcolor = fore;
fore = back;
back = tempcolor;
tempname = fore_color;
fore_color = back_color;
back_color = tempname;
XClearArea (XXdisplay, XXwindow, 0, 0,
screen_width*XXfontw+2*XXInternalBorder,
screen_height*XXfonth+2*XXInternalBorder, 0);
XXgc_temp = XXgc_norm;
XXgc_norm = XXgc_rev;
XXgc_rev = XXgc_temp;
if (!strcmp (mous_color, back_color))
mous_color = fore_color;
else if (!strcmp (mous_color, fore_color))
mous_color = back_color;
x_set_cursor_colors ();
XRedrawDisplay ();
if (!strcmp (curs_color, back_color))
curs_color = fore_color, curs = fore;
else if (!strcmp (curs_color, fore_color))
curs_color = back_color, curs = back;
XSetState (XXdisplay, XXgc_curs, back, curs, GXcopy, AllPlanes);
XSetState (XXdisplay, XXgc_curs_rev, curs, back, GXcopy, AllPlanes);
CursorToggle ();
XFlush (XXdisplay);
UNBLOCK_INPUT ();
}
/* ------------------------------------------------------------
*/
#define NO_MANAGER 1
/* ------------------------------------------------------------
*/
static XClassHint class_hint;
static int
XT_Set_Class_Hints(w)
Window w;
{
extern char *getenv();
if (XXidentity == (char *) NULL)
XXidentity = ""; /* XSCH() doesn't like NULL pointers! */
class_hint.res_name = XXidentity;
class_hint.res_class = CLASS;
XSetClassHint(XXdisplay, w, &class_hint);
}
/* ------------------------------------------------------------
*/
static int
XT_Set_Command_Line(w)
Window w;
{
XSetCommand(XXdisplay, w, xargv, xargc);
}
/* ------------------------------------------------------------
*/
static char hostname[100];
static int
XT_Set_Host(w)
Window w;
{
gethostname(hostname, 100);
hostname[99] = '\0';
XChangeProperty(XXdisplay, w, XA_WM_CLIENT_MACHINE, XA_STRING, 8,
PropModeReplace,
(unsigned char *) hostname, strlen(hostname));
}
/* ------------------------------------------------------------
* Set header title to window-name (from '-wn'), or if none,
* "optional-id: class-of-appl @ host"
*/
static int
XT_Set_Title(w)
Window w;
{
char header_info[200];
if (XXheader != (char *) NULL)
{
strcpy(header_info, XXheader);
}
else
{
char *next;
next = header_info;
if (strlen(class_hint.res_name) != 0)
{
sprintf(header_info, "%s: ",
class_hint.res_name);
next += strlen(header_info);
}
sprintf(next, "%s @ %s",
class_hint.res_class,
hostname);
}
XStoreName(XXdisplay, w, header_info);
}
/* ------------------------------------------------------------
* Set icon title to icon-name (from '-in'),
* or if none, to "invocation-or-class @ host".
*
*/
static int
XT_Set_Icon_Title(w)
Window w;
{
char title_info[100];
if (XXicon_name != (char *) NULL)
{
strcpy(title_info, XXicon_name);
}
else
{
if (strlen(class_hint.res_name) != 0)
{
sprintf(title_info, "%s@", class_hint.res_name);
}
else
{
sprintf(title_info, "%s@", class_hint.res_class);
}
strcat(title_info, hostname);
}
XChangeProperty(XXdisplay, w, XA_WM_ICON_NAME, XA_STRING, 8,
PropModeReplace,
(unsigned char *) title_info, strlen(title_info));
}
/* Arg PR carries value returned by XGeometry at startup, or 0. */
static int
XT_Set_Size_Hints(w, x, y, width, height, do_resize, pr)
int x, y; /* only used at Startup: do_resize == FALSE */
int width, height;
Window w;
Bool do_resize;
int pr;
{
#ifndef X11R4
XSizeHints sizehints;
sizehints.flags = (pr & (WidthValue | HeightValue)) ? USSize : PSize;
if (!do_resize)
sizehints.flags |= (pr & (XValue | YValue)) ? USPosition : PPosition;
sizehints.flags |= PResizeInc|PMinSize;
sizehints.x = x;
sizehints.y = y;
sizehints.width = width*XXfontw + 2 * XXInternalBorder;
sizehints.height = height*XXfonth + 2 * XXInternalBorder;
pixelwidth = sizehints.width;
pixelheight = sizehints.height;
flexlines = height;
change_screen_size (height, width, 0 - (do_resize == False), 0, 0);
sizehints.width_inc = XXfontw;
sizehints.height_inc = XXfonth;
sizehints.min_width = XXfontw*MINWIDTH+2*XXInternalBorder;
sizehints.min_height = XXfonth*MINHEIGHT+2*XXInternalBorder;
#if 0
/* old, broken versions */
sizehints.min_width = 3 * XXInternalBorder;
sizehints.min_height = 3 * XXInternalBorder;
#endif
XSetNormalHints(XXdisplay, w, &sizehints);
if (do_resize)
{
XResizeWindow(XXdisplay, XXwindow, pixelwidth, pixelheight);
XFlush(XXdisplay);
}
#else /* not X11R4 */
XSizeHints sizehints;
XWindowChanges changes;
unsigned int change_mask = 0;
sizehints.flags = 0;
if (! do_resize) {
changes.x = x;
changes.y = y;
sizehints.flags |= (pr & (XValue | YValue)) ? USPosition : PPosition;
change_mask |= CWX | CWY;
}
sizehints.base_width = 2 * XXInternalBorder;
sizehints.base_height = 2 * XXInternalBorder;
changes.width = sizehints.base_width + width * XXfontw;
changes.height = sizehints.base_height + height * XXfonth;
sizehints.flags |= ((pr & (WidthValue | HeightValue)) ? USSize : PSize) |
PBaseSize;
/* If user has specified precise position, ... */
if ((pr & XValue) || (pr & YValue))
{
sizehints.flags |= USSize | USPosition | PWinGravity;
/* Tell window manager which corner to keep fixed. */
switch (pr & (XNegative | YNegative))
{
case 0:
sizehints.win_gravity = NorthWestGravity;
break;
case XNegative:
sizehints.win_gravity = NorthEastGravity;
break;
case YNegative:
sizehints.win_gravity = SouthWestGravity;
break;
default:
sizehints.win_gravity = SouthEastGravity;
break;
}
}
change_mask |= CWWidth | CWHeight;
/*
* NOTE: The sizehints.x, sizehints.y, sizehints.width and
* sizehints.height fields are OBSOLETE according to the ICCC, and
* no window manager should be considering them, even if USSize/PSize
* and/or USPosition/PPosition are set. Unfortunately, many
* window managers consider them anyway, and programs like xprop
* display their values when fetching the normal hints property
* from the window. Therefore, I set them here just to make
* things a little bit more robust.
*/
if (! do_resize) {
sizehints.x = x;
sizehints.y = y;
}
sizehints.width = changes.width;
sizehints.height = changes.height;
pixelwidth = sizehints.base_width;
pixelheight = sizehints.base_height;
flexlines = height;
change_screen_size (height, width, 0 - (do_resize == False), 0, 0);
sizehints.min_width = XXfontw * MINWIDTH + 2 * XXInternalBorder;
sizehints.min_height = XXfonth * MINHEIGHT + 2 * XXInternalBorder;
sizehints.flags |= PMinSize;
sizehints.width_inc = XXfontw;
sizehints.height_inc = XXfonth;
sizehints.flags |= PResizeInc;
XSetWMNormalHints(XXdisplay, w, &sizehints);
XConfigureWindow(XXdisplay, w, change_mask, &changes);
#endif /* not X11R4 */
}
/* ------------------------------------------------------------
*/
/*ARGSUSED*/
static int
XT_Set_Zoom_Sizes(w)
Window w;
{
}
/* ------------------------------------------------------------
* Set our state and icon parameters.
*/
static int
XT_Set_WM_Hints(w)
Window w;
{
XWMHints wmhints;
wmhints.flags = InputHint | StateHint;
if (XXicon_usebitmap)
wmhints.flags |= IconPixmapHint | IconMaskHint;
wmhints.input = True;
wmhints.initial_state = NormalState;
SinkPixmap = XCreateBitmapFromData (XXdisplay, w,
sink_bits, sink_width,
sink_height);
SinkMaskPixmap = XCreateBitmapFromData (XXdisplay, w,
sink_mask_bits,
sink_mask_width,
sink_mask_height);
if (XXicon_usebitmap) {
wmhints.icon_pixmap = SinkPixmap;
wmhints.icon_mask = SinkMaskPixmap;
}
else {
wmhints.icon_pixmap = 0;
wmhints.icon_mask = 0;
}
XSetWMHints(XXdisplay, w, &wmhints);
}
/* ------------------------------------------------------------
* Change just the size of the window.
*/
XSetWindowSize(rows, cols)
int rows, cols;
{
XT_Set_Size_Hints(XXwindow, 0, 0, cols, rows, NO_MANAGER, 0);
}
/* ------------------------------------------------------------
*/
static int
XInitWindow ()
{
extern int xargc;
extern char **xargv;
int x, y, width, height, pr;
char *dp;
Window desktop;
XColor forec, backc;
retry:
fontinfo = XT_CalcForFont(XXcurrentfont);
if (fontinfo == (XFontStruct *) NULL)
{
if (strcmp (XXcurrentfont, "fixed"))
{
free (XXcurrentfont);
XXcurrentfont = (char *) xmalloc (6);
strcpy (XXcurrentfont, "fixed");
goto retry;
}
fatal ("X server unable to find requested font `%s'\n",
(XXcurrentfont == NULL) ? "(null)" : XXcurrentfont);
}
pr = XGeometry (XXdisplay, 0, desiredwindow, default_window,
XXborder, XXfontw, XXfonth,
XXInternalBorder*2, XXInternalBorder*2,
&x, &y, &width, &height);
/* Which desktop do we start up on?
*/
if ( (dp = getenv("WM_DESKTOP")) != (char *) NULL )
{
desktop = atoi(dp);
}
else
{
desktop = RootWindow(XXdisplay, DefaultScreen(XXdisplay));
}
XXwindow = XCreateSimpleWindow(XXdisplay, desktop,
x, y,
width*XXfontw + 2*XXInternalBorder,
height*XXfonth + 2*XXInternalBorder,
XXborder, brdr, back);
if (!XXwindow)
{
fprintf (stderr, "Could not create X window!\n");
fflush (stderr);
exit (-97);
}
XXgcv.font = XXfid;
XXgcv.foreground = fore;
XXgcv.background = back;
XXgc_norm = XCreateGC(XXdisplay, XXwindow,
GCFont|GCForeground|GCBackground,
&XXgcv);
XXgcv.foreground = back;
XXgcv.background = fore;
XXgc_rev = XCreateGC(XXdisplay, XXwindow,
GCFont|GCForeground|GCBackground,
&XXgcv);
XXgcv.foreground = back;
XXgcv.background = curs;
XXgc_curs = XCreateGC(XXdisplay, XXwindow,
GCFont|GCForeground|GCBackground,
&XXgcv);
XXgcv.foreground = curs;
XXgcv.background = back;
XXgc_curs_rev = XCreateGC(XXdisplay, XXwindow,
GCFont|GCForeground|GCBackground,
&XXgcv);
EmacsCursor = XCreateFontCursor(XXdisplay, XC_left_ptr);
x_set_cursor_colors ();
XDefineCursor (XXdisplay, XXwindow, EmacsCursor);
CursorExists = 0;
CursorOutline = 1;
VisibleX = 0;
VisibleY = 0;
XT_Set_Class_Hints(XXwindow);
XT_Set_Command_Line(XXwindow);
XT_Set_Host(XXwindow);
XT_Set_Title(XXwindow);
XT_Set_Icon_Title(XXwindow);
XT_Set_Size_Hints(XXwindow, x, y, width, height, False, pr);
XT_Set_Zoom_Sizes(XXwindow);
XT_Set_WM_Hints(XXwindow);
XSelectInput(XXdisplay, XXwindow, KeyPressMask |
ExposureMask | ButtonPressMask | ButtonReleaseMask |
EnterWindowMask | LeaveWindowMask | FocusChangeMask |
StructureNotifyMask);
XMapWindow (XXdisplay, XXwindow);
XFlush (XXdisplay);
#ifdef AIX
#include "xkeys-aix.h"
#endif /* AIX */
/* Free XrmGetStringDatabase */
#ifndef NO_X_DESTROY_DATABASE
XrmDestroyDatabase (db);
#if (XlibSpecificationRelease >= 5)
XrmDestroyDatabase (db2);
#endif
#endif
}
#endif /* HAVE_X_WINDOWS */
/*#include "xundebug.h"*/
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