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3.14a
/*
* Copyright (c) 1992, 1993, 1996
* Berkeley Software Design, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Berkeley Software
* Design, Inc.
*
* THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* July 22, 1999
*
* To All Licensees, Distributors of Any Version of BSD:
*
* As you know, certain of the Berkeley Software Distribution ("BSD") source
* code files require that further distributions of products containing all or
* portions of the software, acknowledge within their advertising materials
* that such products contain software developed by UC Berkeley and its
* contributors.
*
* Specifically, the provision reads:
*
* " * 3. All advertising materials mentioning features or use of this software
* * must display the following acknowledgement:
* * This product includes software developed by the University of
* * California, Berkeley and its contributors."
*
* Effective immediately, licensees and distributors are no longer required to
* include the acknowledgement within advertising materials. Accordingly, the
* foregoing paragraph of those BSD Unix files containing it is hereby deleted
* in its entirety.
*
* William Hoskins
* Director, Office of Technology Licensing
* University of California, Berkeley
*
*
*/
/* $Id: console.c,v 1.1.1.1 2018/04/24 16:41:23 root Exp $ */
/****************************************************************************
* @format.tab-size 4 (Plain Text/Source Code File Header) *
* @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) *
* *
* Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* See the GNU Lesser General Public License for more details: lgpl.txt or *
* http://www.fsf.org/copyleft/lesser.html *
* *
* Anonymous FTP access to the most recent released source is available at *
* ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net *
* *
* Anonymous CVS access to the development source and modification history *
* is available at cvs.synchro.net:/cvsroot/sbbs, example: *
* cvs -d :pserver:[email protected]:/cvsroot/sbbs login *
* (just hit return, no password is necessary) *
* cvs -d :pserver:[email protected]:/cvsroot/sbbs checkout src *
* *
* For Synchronet coding style and modification guidelines, see *
* http://www.synchro.net/source.html *
* *
* You are encouraged to submit any modifications (preferably in Unix diff *
* format) via e-mail to [email protected] *
* *
* Note: If this box doesn't appear square, then you need to fix your tabs. *
****************************************************************************/
#include <sys/param.h>
#include <sys/time.h>
#include <sys/types.h>
#ifndef STATIC_LINK
#include <dlfcn.h>
#endif
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h> /* malloc */
#include <unistd.h> /* sysconf() */
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
#define CONSOLE_CLIPBOARD XA_PRIMARY
#include <threadwrap.h>
#include <genwrap.h>
#include <dirwrap.h>
#include "console.h"
#include "vidmodes.h"
#include "allfonts.h"
#include "keys.h"
#include "mouse.h"
#define CONSOLE_MAX_ROWS 61
#define CONSOLE_MAX_COLS 81
/* Console definition variables */
int console_new_mode=NO_NEW_MODE;
int CurrMode;
sem_t console_mode_changed;
sem_t copybuf_set;
sem_t pastebuf_set;
sem_t pastebuf_request;
sem_t font_set;
sem_t x11_loadfont;
sem_t x11_fontloaded;
int x_load_font_ret;
char font_filename[MAX_PATH];
int new_font=-1;
int font_force;
int setfont_return;
pthread_mutex_t copybuf_mutex;
pthread_mutex_t lines_mutex;
char *copybuf=NULL;
char *pastebuf=NULL;
sem_t x11_beep;
sem_t x11_title;
sem_t x11_name;
int InitCS;
int InitCE;
int FW, FH;
int FontScale=1;
#define MAX_SCALE 2
WORD DpyCols;
BYTE DpyRows;
BYTE *palette;
BYTE CursStart;
BYTE CursEnd;
WORD *vmem=NULL;
static int show = 1;
BYTE CursRow=0;
BYTE CursCol=0;
static int x_current_font=-99;
typedef struct TextLine {
WORD *data;
u_char max_length; /* Not used, but here for future use */
u_char *exposed;
} TextLine;
TextLine *lines = NULL;
unsigned int x_pending_mousekeys=0;
/* X Variables */
Display *dpy=NULL;
Window win;
XImage *xi = 0;
Pixmap pfnt=0;
Visual *visual;
unsigned int depth;
unsigned long black;
unsigned long white;
GC gc;
GC cgc;
int xfd;
char window_title[81];
char window_name[81];
/* X functions */
struct x11 {
int (*XChangeGC) (Display*, GC, unsigned long, XGCValues*);
int (*XCopyPlane) (Display*, Drawable, Drawable, GC, int, int, unsigned int, unsigned int, int, int, unsigned long);
int (*XFillRectangle) (Display*, Drawable, GC, int, int, unsigned int, unsigned int);
int (*XFlush) (Display*);
int (*XBell) (Display*, int);
int (*XLookupString)(XKeyEvent*, char*, int, KeySym*, XComposeStatus*);
int (*XNextEvent) (Display*, XEvent *);
XSizeHints* (*XAllocSizeHints)(void);
void (*XSetWMNormalHints) (Display*, Window, XSizeHints*);
int (*XResizeWindow)(Display*, Window, unsigned int, unsigned int);
int (*XMapWindow) (Display*, Window);
int (*XFree) (void *data);
int (*XFreePixmap) (Display*, Pixmap);
Pixmap (*XCreateBitmapFromData) (Display*, Drawable, _Xconst char*, unsigned int, unsigned int);
Status (*XAllocColor) (Display*, Colormap, XColor*);
Display*(*XOpenDisplay) (_Xconst char*);
Window (*XCreateSimpleWindow) (Display*, Window, int, int, unsigned int, unsigned int, unsigned int, unsigned long, unsigned long);
GC (*XCreateGC) (Display*, Drawable, unsigned long, XGCValues*);
int (*XSelectInput) (Display*, Window, long);
int (*XStoreName) (Display*, Window, _Xconst char*);
Window (*XGetSelectionOwner) (Display*, Atom);
int (*XConvertSelection) (Display*, Atom, Atom, Atom, Window, Time);
int (*XGetWindowProperty) (Display*, Window, Atom, long, long, Bool, Atom, Atom*, int*, unsigned long *, unsigned long *, unsigned char **);
int (*XChangeProperty) (Display*, Window, Atom, Atom, int, int, _Xconst unsigned char*, int);
Status (*XSendEvent) (Display*, Window, Bool, long, XEvent*);
int (*XSetSelectionOwner) (Display*, Atom, Window, Time);
int (*XSetIconName) (Display*, Window, _Xconst char *);
};
struct x11 x11;
/* X pixel values for the RGB triples */
DWORD pixels[16];
static fd_set fdset; /* File Descriptors to select on */
/* Keyboard stuff */
WORD keybuf[0x25];
#define K_NEXT keybuf[0x21] /* *(WORD *)0x41a */
#define K_FREE keybuf[0x22] /* *(WORD *)0x41c */
#define K_BUFSTARTP keybuf[0x23] /* *(WORD *)0x480 */
#define K_BUFENDP keybuf[0x24] /* *(WORD *)0x482 */
#define K_BUFSTART (&keybuf[K_BUFSTARTP]) /* ((WORD *)(0x400 + K_BUFSTARTP)) */
#define K_BUFEND (&keybuf[K_BUFENDP]) /* ((WORD *)(0x400 + keybuf[3])) */
#define K_BUF(i) keybuf[i] /* *((WORD *)((u_char *)0x400 + (i))) */
BYTE K1_STATUS;
#define K1_RSHIFT 0x01
#define K1_LSHIFT 0x02
#define K1_SHIFT 0x03
#define K1_CTRL 0x04
#define K1_ALT 0x08
#define K1_SLOCK 0x10 /* Active */
#define K1_NLOCK 0x20 /* Active */
#define K1_CLOCK 0x40 /* Active */
#define K1_INSERT 0x80 /* Active */
BYTE K2_STATUS;
#define K2_LCTRL 0x01
#define K2_LALT 0x02
#define K2_SYSREQ 0x04
#define K2_PAUSE 0x08
#define K2_SLOCK 0x10 /* Actually held down */
#define K2_NLOCK 0x20 /* Actually held down */
#define K2_CLOCK 0x40 /* Actually held down */
#define K2_INSERT 0x80 /* Actually held down */
BYTE K3_STATUS;
#define K3_E1 0x01 /* Last code read was e1 */
#define K3_E2 0x02 /* Last code read was e2 */
#define K3_RCTRL 0x04
#define K3_RALT 0x08
#define K3_ENHANCED 0x10
#define K3_FORCENLOCK 0x20
#define K3_TWOBYTE 0x40 /* last code was first of 2 */
#define K3_READID 0x80 /* read ID in progress */
BYTE K4_STATUS;
#define K4_SLOCK_LED 0x01
#define K4_NLOCK_LED 0x02
#define K4_CLOCK_LED 0x04
#define K4_ACK 0x10 /* ACK recieved from keyboard */
#define K4_RESEND 0x20 /* RESEND recieved from keyboard */
#define K4_LED 0x40 /* LED update in progress */
#define K4_ERROR 0x80
int flipdelete = 0; /* Flip meaning of delete and backspace */
static WORD break_code = 0x00;
static WORD Ascii2Scan[] = {
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0x000e, 0x000f, 0xffff, 0xffff, 0xffff, 0x001c, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0x0001, 0xffff, 0xffff, 0xffff, 0xffff,
0x0039, 0x0102, 0x0128, 0x0104, 0x0105, 0x0106, 0x0108, 0x0028,
0x010a, 0x010b, 0x0109, 0x010d, 0x0033, 0x000c, 0x0034, 0x0035,
0x000b, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008,
0x0009, 0x000a, 0x0127, 0x0027, 0x0133, 0x000d, 0x0134, 0x0135,
0x0103, 0x011e, 0x0130, 0x012e, 0x0120, 0x0112, 0x0121, 0x0122,
0x0123, 0x0117, 0x0124, 0x0125, 0x0126, 0x0132, 0x0131, 0x0118,
0x0119, 0x0110, 0x0113, 0x011f, 0x0114, 0x0116, 0x012f, 0x0111,
0x012d, 0x0115, 0x012c, 0x001a, 0x002b, 0x001b, 0x0107, 0x010c,
0x0029, 0x001e, 0x0030, 0x002e, 0x0020, 0x0012, 0x0021, 0x0022,
0x0023, 0x0017, 0x0024, 0x0025, 0x0026, 0x0032, 0x0031, 0x0018,
0x0019, 0x0010, 0x0013, 0x001f, 0x0014, 0x0016, 0x002f, 0x0011,
0x002d, 0x0015, 0x002c, 0x011a, 0x012b, 0x011b, 0x0129, 0xffff,
};
struct {
WORD base;
WORD shift;
WORD ctrl;
WORD alt;
} ScanCodes[] = {
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 0 */
{ 0x011b, 0x011b, 0x011b, 0xffff }, /* key 1 - Escape key */
{ 0x0231, 0x0221, 0xffff, 0x7800 }, /* key 2 - '1' */
{ 0x0332, 0x0340, 0x0300, 0x7900 }, /* key 3 - '2' - special handling */
{ 0x0433, 0x0423, 0xffff, 0x7a00 }, /* key 4 - '3' */
{ 0x0534, 0x0524, 0xffff, 0x7b00 }, /* key 5 - '4' */
{ 0x0635, 0x0625, 0xffff, 0x7c00 }, /* key 6 - '5' */
{ 0x0736, 0x075e, 0x071e, 0x7d00 }, /* key 7 - '6' */
{ 0x0837, 0x0826, 0xffff, 0x7e00 }, /* key 8 - '7' */
{ 0x0938, 0x092a, 0xffff, 0x7f00 }, /* key 9 - '8' */
{ 0x0a39, 0x0a28, 0xffff, 0x8000 }, /* key 10 - '9' */
{ 0x0b30, 0x0b29, 0xffff, 0x8100 }, /* key 11 - '0' */
{ 0x0c2d, 0x0c5f, 0x0c1f, 0x8200 }, /* key 12 - '-' */
{ 0x0d3d, 0x0d2b, 0xffff, 0x8300 }, /* key 13 - '=' */
{ 0x0e08, 0x0e08, 0x0e7f, 0xffff }, /* key 14 - backspace */
{ 0x0f09, 0x0f00, 0xffff, 0xffff }, /* key 15 - tab */
{ 0x1071, 0x1051, 0x1011, 0x1000 }, /* key 16 - 'Q' */
{ 0x1177, 0x1157, 0x1117, 0x1100 }, /* key 17 - 'W' */
{ 0x1265, 0x1245, 0x1205, 0x1200 }, /* key 18 - 'E' */
{ 0x1372, 0x1352, 0x1312, 0x1300 }, /* key 19 - 'R' */
{ 0x1474, 0x1454, 0x1414, 0x1400 }, /* key 20 - 'T' */
{ 0x1579, 0x1559, 0x1519, 0x1500 }, /* key 21 - 'Y' */
{ 0x1675, 0x1655, 0x1615, 0x1600 }, /* key 22 - 'U' */
{ 0x1769, 0x1749, 0x1709, 0x1700 }, /* key 23 - 'I' */
{ 0x186f, 0x184f, 0x180f, 0x1800 }, /* key 24 - 'O' */
{ 0x1970, 0x1950, 0x1910, 0x1900 }, /* key 25 - 'P' */
{ 0x1a5b, 0x1a7b, 0x1a1b, 0xffff }, /* key 26 - '[' */
{ 0x1b5d, 0x1b7d, 0x1b1d, 0xffff }, /* key 27 - ']' */
{ 0x1c0d, 0x1c0d, 0x1c0a, 0xffff }, /* key 28 - CR */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 29 - control */
{ 0x1e61, 0x1e41, 0x1e01, 0x1e00 }, /* key 30 - 'A' */
{ 0x1f73, 0x1f53, 0x1f13, 0x1f00 }, /* key 31 - 'S' */
{ 0x2064, 0x2044, 0x2004, 0x2000 }, /* key 32 - 'D' */
{ 0x2166, 0x2146, 0x2106, 0x2100 }, /* key 33 - 'F' */
{ 0x2267, 0x2247, 0x2207, 0x2200 }, /* key 34 - 'G' */
{ 0x2368, 0x2348, 0x2308, 0x2300 }, /* key 35 - 'H' */
{ 0x246a, 0x244a, 0x240a, 0x2400 }, /* key 36 - 'J' */
{ 0x256b, 0x254b, 0x250b, 0x2500 }, /* key 37 - 'K' */
{ 0x266c, 0x264c, 0x260c, 0x2600 }, /* key 38 - 'L' */
{ 0x273b, 0x273a, 0xffff, 0xffff }, /* key 39 - ';' */
{ 0x2827, 0x2822, 0xffff, 0xffff }, /* key 40 - ''' */
{ 0x2960, 0x297e, 0xffff, 0xffff }, /* key 41 - '`' */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 42 - left shift */
{ 0x2b5c, 0x2b7c, 0x2b1c, 0xffff }, /* key 43 - '' */
{ 0x2c7a, 0x2c5a, 0x2c1a, 0x2c00 }, /* key 44 - 'Z' */
{ 0x2d78, 0x2d58, 0x2d18, 0x2d00 }, /* key 45 - 'X' */
{ 0x2e63, 0x2e43, 0x2e03, 0x2e00 }, /* key 46 - 'C' */
{ 0x2f76, 0x2f56, 0x2f16, 0x2f00 }, /* key 47 - 'V' */
{ 0x3062, 0x3042, 0x3002, 0x3000 }, /* key 48 - 'B' */
{ 0x316e, 0x314e, 0x310e, 0x3100 }, /* key 49 - 'N' */
{ 0x326d, 0x324d, 0x320d, 0x3200 }, /* key 50 - 'M' */
{ 0x332c, 0x333c, 0xffff, 0xffff }, /* key 51 - ',' */
{ 0x342e, 0x343e, 0xffff, 0xffff }, /* key 52 - '.' */
{ 0x352f, 0x353f, 0xffff, 0xffff }, /* key 53 - '/' */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 54 - right shift - */
{ 0x372a, 0xffff, 0x3772, 0xffff }, /* key 55 - prt-scr - */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 56 - Alt - */
{ 0x3920, 0x3920, 0x3920, 0x3920 }, /* key 57 - space bar */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 58 - caps-lock - */
{ 0x3b00, 0x5400, 0x5e00, 0x6800 }, /* key 59 - F1 */
{ 0x3c00, 0x5500, 0x5f00, 0x6900 }, /* key 60 - F2 */
{ 0x3d00, 0x5600, 0x6000, 0x6a00 }, /* key 61 - F3 */
{ 0x3e00, 0x5700, 0x6100, 0x6b00 }, /* key 62 - F4 */
{ 0x3f00, 0x5800, 0x6200, 0x6c00 }, /* key 63 - F5 */
{ 0x4000, 0x5900, 0x6300, 0x6d00 }, /* key 64 - F6 */
{ 0x4100, 0x5a00, 0x6400, 0x6e00 }, /* key 65 - F7 */
{ 0x4200, 0x5b00, 0x6500, 0x6f00 }, /* key 66 - F8 */
{ 0x4300, 0x5c00, 0x6600, 0x7000 }, /* key 67 - F9 */
{ 0x4400, 0x5d00, 0x6700, 0x7100 }, /* key 68 - F10 */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 69 - num-lock - */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 70 - scroll-lock - */
{ 0x4700, 0x4737, 0x7700, 0xffff }, /* key 71 - home */
{ 0x4800, 0x4838, 0x8d00, 0x9800 }, /* key 72 - cursor up */
{ 0x4900, 0x4939, 0x8400, 0xffff }, /* key 73 - page up */
{ 0x4a2d, 0x4a2d, 0xffff, 0xffff }, /* key 74 - minus sign */
{ 0x4b00, 0x4b34, 0x7300, 0xffff }, /* key 75 - cursor left */
{ 0xffff, 0x4c35, 0xffff, 0xffff }, /* key 76 - center key */
{ 0x4d00, 0x4d36, 0x7400, 0xffff }, /* key 77 - cursor right */
{ 0x4e2b, 0x4e2b, 0xffff, 0xffff }, /* key 78 - plus sign */
{ 0x4f00, 0x4f31, 0x7500, 0xffff }, /* key 79 - end */
{ 0x5000, 0x5032, 0x9100, 0xa000 }, /* key 80 - cursor down */
{ 0x5100, 0x5133, 0x7600, 0xffff }, /* key 81 - page down */
{ 0x5200, 0x5230, 0xffff, 0xffff }, /* key 82 - insert */
{ 0x5300, 0x532e, 0xffff, 0xffff }, /* key 83 - delete */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 84 - sys key */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 85 */
{ 0xffff, 0xffff, 0xffff, 0xffff }, /* key 86 */
{ 0x8500, 0x5787, 0x8900, 0x8b00 }, /* key 87 - F11 */
{ 0x8600, 0x5888, 0x8a00, 0x8c00 }, /* key 88 - F12 */
};
#define HWM 16
void resize_window(void);
int KbdEmpty(void);
int load_font(char *filename, int width, int height, int scale, int *newmode);
void tty_pause()
{
usleep(1000);
}
volatile int poll_cnt = 0;
void
wakeup_poll(void)
{
if (poll_cnt <= 0)
poll_cnt = HWM;
}
void
reset_poll(void)
{
poll_cnt = HWM;
}
void
sleep_poll(void)
{
if (--poll_cnt <= 0) {
poll_cnt = 0;
while (KbdEmpty() && poll_cnt <= 0) {
if (KbdEmpty() && poll_cnt <= 0)
tty_pause();
}
}
}
static void
setgc(WORD attr)
{
XGCValues v;
v.background = pixels[(attr >> 12) & 0x07];
if ((!show) && (attr & 0x8000))
v.foreground = v.background;
else
v.foreground = pixels[(attr >> 8) & 0x0f];
x11.XChangeGC(dpy, gc, GCForeground|GCBackground, &v);
}
static void
video_update_text()
{
static int or = -1;
static int oc = -1;
static int os = -1;
static char buf[256];
int r, c;
int attr;
XGCValues v;
WORD *vmemc;
int cursrow;
int curscol;
int flush=0;
cursrow=CursRow;
curscol=CursCol;
wakeup_poll(); /* Wake up anyone waiting on kbd poll */
vmemc = (WORD *)alloca(DpyCols*(DpyRows+1)*sizeof(WORD));
pthread_mutex_lock(&lines_mutex);
memcpy(vmemc, vmem, DpyCols*(DpyRows+1)*sizeof(WORD));
for (r = 0; r < (DpyRows+1); ++r) {
for (c = 0; c < DpyCols; ++c) {
if ((lines[r].data[c] != vmemc[r * DpyCols + c])
|| (lines[r].data[c] & 0x8000 && show != os)
|| (lines[r].exposed[c])
|| (((r == or && c==oc) || (r == cursrow && c==curscol)) && (or != cursrow || oc !=curscol))) {
setgc(vmemc[r * DpyCols + c] & 0xff00);
x11.XCopyPlane(dpy,pfnt,win,gc,0,FH*(vmemc[r * DpyCols + c]&0xff),FW,FH,c*FW+2,r*FH+2,1);
lines[r].exposed[c]=0;
lines[r].data[c]=vmemc[r * DpyCols + c];
flush=1;
}
}
reset_poll();
}
pthread_mutex_unlock(&lines_mutex);
if (CursStart <= CursEnd && CursEnd <= FH &&
(show != os) && cursrow < (DpyRows+1) &&curscol < DpyCols) {
attr = vmemc[cursrow * DpyCols +curscol] & 0xff00;
v.foreground = pixels[(attr >> 8) & 0x0f] ^
pixels[(attr >> 12) & 0x07];
if (v.foreground) {
v.function = GXxor;
} else {
v.foreground = pixels[7];
v.function = GXcopy;
}
x11.XChangeGC(dpy, cgc, GCForeground | GCFunction, &v);
x11.XFillRectangle(dpy, win, cgc,
2 +curscol * FW,
2 + cursrow * FH + CursStart * FontScale,
FW, (CursEnd + 1)*FontScale - (CursStart*FontScale));
flush=1;
}
or =cursrow;
oc =curscol;
os =show;
if(flush)
x11.XFlush(dpy);
}
void
video_update()
{
static clock_t lastupd=-1;
static int clock_started=0;
clock_t upd;
upd=msclock();
if(!clock_started) {
lastupd=upd;
clock_started=1;
}
if(upd-lastupd>(MSCLOCKS_PER_SEC/2)) {
show ^= 1;
lastupd=upd;
}
/* quick and dirty */
video_update_text();
}
/* Get memory for the text line buffer. */
void
get_lines()
{
int i;
TextLine *newlines;
if (lines == NULL) {
pthread_mutex_lock(&lines_mutex);
lines = (TextLine *)malloc(sizeof(TextLine) * (CONSOLE_MAX_ROWS+1));
if (lines == NULL) {
fprintf(stderr, "Could not allocate data structure for text lines\n");
exit(1);
}
for (i = 0; i < (CONSOLE_MAX_ROWS+1); ++i) {
lines[i].max_length = DpyCols;
lines[i].data = (WORD *)malloc(CONSOLE_MAX_COLS * sizeof(WORD));
if (lines[i].data == NULL) {
fprintf(stderr, "Could not allocate data structure for text lines\n");
exit(1);
}
lines[i].exposed = (u_char *)malloc(CONSOLE_MAX_COLS * sizeof(u_char));
if (lines[i].exposed == NULL) {
fprintf(stderr, "Could not allocate data structure for text lines\n");
exit(1);
}
memset(lines[i].exposed,1,CONSOLE_MAX_COLS * sizeof(u_char));
}
pthread_mutex_unlock(&lines_mutex);
}
}
void
KbdWrite(WORD code)
{
int kf;
kf = K_FREE + 2;
if (kf == K_BUFENDP)
kf = K_BUFSTARTP;
if (kf == K_NEXT) {
if(code==CIO_KEY_MOUSE)
x_pending_mousekeys++;
else {
x11.XBell(dpy, 0);
return;
}
}
K_BUF(K_FREE) = code;
K_FREE = kf;
}
void tty_beep(void)
{
sem_post(&x11_beep);
}
void expose_chars(int x, int y, int width, int height)
{
int sx,sy,ex,ey;
int r,c;
sx=x;
sx-=2;
if(sx<0)
sx=0;
sy=y;
sy-=2;
if(sy<0)
sy=0;
ex=sx+width+FW-1;
ey=sy+height+FH-1;
sx/=FW;
ex/=FW;
if(ex>=DpyCols)
ex=DpyCols-1;
sy/=FH;
ey/=FH;
if(ey>DpyRows)
ey=DpyRows;
for(r=sy;r<=ey;r++) {
pthread_mutex_lock(&lines_mutex);
for(c=sx;c<=ex;c++) {
lines[r].exposed[c]=1;
}
pthread_mutex_unlock(&lines_mutex);
}
}
static int
video_event(XEvent *ev)
{
switch (ev->type) {
case ConfigureNotify: {
int newFSH=1;
int newFSW=1;
int oldFS;
int r;
oldFS=FontScale;
if((ev->xconfigure.width == FW * DpyCols + 4)
&& (ev->xconfigure.height == FH * (DpyRows+1) + 4))
break;
FW=FW/FontScale;
FH=FH/FontScale;
newFSH=(ev->xconfigure.width+(FW*DpyCols)/2)/(FW*DpyCols);
newFSW=(ev->xconfigure.height+(FH*(DpyRows+1))/2)/(FH*(DpyRows+1));
if(newFSW<1)
newFSW=1;
if(newFSW>MAX_SCALE)
newFSW=MAX_SCALE;
if(newFSH<1)
newFSH=1;
if(newFSH>MAX_SCALE)
newFSH=MAX_SCALE;
if(newFSH<newFSW)
FontScale=newFSH;
else
FontScale=newFSW;
load_font(NULL,FW,FH,FontScale,NULL);
resize_window();
break;
}
case SelectionClear: {
XSelectionClearEvent *req;
req=&(ev->xselectionclear);
pthread_mutex_lock(©buf_mutex);
if(req->selection==CONSOLE_CLIPBOARD && copybuf!=NULL) {
free(copybuf);
copybuf=NULL;
}
pthread_mutex_unlock(©buf_mutex);
break;
}
case SelectionNotify: {
int format;
unsigned long len, bytes_left, dummy;
Atom type;
if(ev->xselection.requestor!=win)
break;
x11.XGetWindowProperty(dpy, win, ev->xselection.property, 0, 0, 0, AnyPropertyType, &type, &format, &len, &bytes_left, (unsigned char **)(&pastebuf));
if(bytes_left > 0 && format==8)
x11.XGetWindowProperty(dpy, win, ev->xselection.property,0,bytes_left,0,AnyPropertyType,&type,&format,&len,&dummy,(unsigned char **)&pastebuf);
else
pastebuf=NULL;
/* Set paste buffer */
sem_post(&pastebuf_set);
sem_wait(&pastebuf_request);
x11.XFree(pastebuf);
pastebuf=NULL;
break;
}
case SelectionRequest: {
XSelectionRequestEvent *req;
XEvent respond;
req=&(ev->xselectionrequest);
pthread_mutex_lock(©buf_mutex);
if(copybuf==NULL) {
respond.xselection.property=None;
}
else {
if(req->target==XA_STRING) {
x11.XChangeProperty(dpy, req->requestor, req->property, XA_STRING, 8, PropModeReplace, (unsigned char *)copybuf, strlen(copybuf));
respond.xselection.property=req->property;
}
else
respond.xselection.property=None;
}
respond.xselection.type=SelectionNotify;
respond.xselection.display=req->display;
respond.xselection.requestor=req->requestor;
respond.xselection.selection=req->selection;
respond.xselection.target=req->target;
respond.xselection.time=req->time;
x11.XSendEvent(dpy,req->requestor,0,0,&respond);
pthread_mutex_unlock(©buf_mutex);
break;
}
case MotionNotify: {
XMotionEvent *me = (XMotionEvent *)ev;
me->x -= 2;
me->y -= 2;
me->x/=FW;
me->y/=FH;
me->x++;
me->y++;
if(me->x<1)
me->x=1;
if(me->y<1)
me->y=1;
if(me->x>DpyCols)
me->x=DpyCols;
if(me->y>DpyRows+1)
me->y=DpyRows+1;
ciomouse_gotevent(CIOLIB_MOUSE_MOVE,me->x,me->y);
break;
}
case ButtonRelease: {
XButtonEvent *be = (XButtonEvent *)ev;
be->x -= 2;
be->y -= 2;
be->x/=FW;
be->y/=FH;
be->x++;
be->y++;
if(be->x<1)
be->x=1;
if(be->y<1)
be->y=1;
if(be->x>DpyCols)
be->x=DpyCols;
if(be->y>DpyRows+1)
be->y=DpyRows+1;
if (be->button <= 3) {
ciomouse_gotevent(CIOLIB_BUTTON_RELEASE(be->button),be->x,be->y);
}
break;
}
case ButtonPress: {
XButtonEvent *be = (XButtonEvent *)ev;
be->x -= 2;
be->y -= 2;
be->x/=FW;
be->y/=FH;
be->x++;
be->y++;
if(be->x<1)
be->x=1;
if(be->y<1)
be->y=1;
if(be->x>DpyCols)
be->x=DpyCols;
if(be->y>DpyRows+1)
be->y=DpyRows+1;
if (be->button <= 3) {
ciomouse_gotevent(CIOLIB_BUTTON_PRESS(be->button),be->x,be->y);
}
break;
}
case NoExpose:
break;
case GraphicsExpose: {
expose_chars(ev->xgraphicsexpose.x,ev->xgraphicsexpose.y
,ev->xgraphicsexpose.width,ev->xgraphicsexpose.height);
break;
}
case Expose: {
expose_chars(ev->xexpose.x,ev->xexpose.y,ev->xexpose.width,ev->xexpose.height);
break;
}
case KeyRelease: {
static char buf[128];
KeySym ks;
break_code |= 0x80;
if (!(ev->xkey.state & ShiftMask)) {
K1_STATUS &= ~K1_LSHIFT;
K1_STATUS &= ~K1_RSHIFT;
}
if (!(ev->xkey.state & ControlMask)) {
K1_STATUS &= ~K1_CTRL;
K2_STATUS &= ~K2_LCTRL;
K3_STATUS &= ~K3_RCTRL;
}
if (!(ev->xkey.state & Mod1Mask)) {
K1_STATUS &= ~K1_ALT;
K2_STATUS &= ~K2_LALT;
K3_STATUS &= ~K3_RALT;
}
if (!(ev->xkey.state & LockMask)) {
K2_STATUS &= ~K2_CLOCK;
}
x11.XLookupString((XKeyEvent *)ev, buf, sizeof(buf), &ks, 0);
switch (ks) {
case XK_Shift_L:
K1_STATUS &= ~K1_LSHIFT;
break;
case XK_Shift_R:
K1_STATUS &= ~K1_RSHIFT;
break;
case XK_Control_L:
K1_STATUS &= ~K1_CTRL;
K2_STATUS &= ~K2_LCTRL;
break;
case XK_Control_R:
K1_STATUS &= ~K1_CTRL;
K3_STATUS &= ~K3_RCTRL;
break;
case XK_Alt_L:
K1_STATUS &= ~K1_ALT;
K2_STATUS &= ~K2_LALT;
break;
case XK_Alt_R:
K1_STATUS &= ~K1_ALT;
K3_STATUS &= ~K3_RALT;
break;
case XK_Scroll_Lock:
K2_STATUS &= ~K2_SLOCK;
break;
case XK_Num_Lock:
K2_STATUS &= ~K2_NLOCK;
break;
case XK_Caps_Lock:
K2_STATUS &= ~K2_CLOCK;
break;
case XK_Insert:
K2_STATUS &= ~K2_INSERT;
break;
}
return(1);
}
case KeyPress: {
static char buf[128];
KeySym ks;
int n;
int nlock = 0;
WORD scan = 0xffff;
if (!(ev->xkey.state & ShiftMask)) {
K1_STATUS &= ~K1_LSHIFT;
K1_STATUS &= ~K1_RSHIFT;
}
if (!(ev->xkey.state & ControlMask)) {
K1_STATUS &= ~K1_CTRL;
K2_STATUS &= ~K2_LCTRL;
K3_STATUS &= ~K3_RCTRL;
}
if (!(ev->xkey.state & Mod1Mask)) {
K1_STATUS &= ~K1_ALT;
K2_STATUS &= ~K2_LALT;
K3_STATUS &= ~K3_RALT;
}
if (!(ev->xkey.state & LockMask)) {
K2_STATUS &= ~K2_CLOCK;
}
n = x11.XLookupString((XKeyEvent *)ev, buf, sizeof(buf), &ks, 0);
switch (ks) {
case XK_Shift_L:
K1_STATUS |= K1_LSHIFT;
break;
case XK_Shift_R:
K1_STATUS |= K1_RSHIFT;
break;
case XK_Control_L:
K1_STATUS |= K1_CTRL;
K2_STATUS |= K2_LCTRL;
break;
case XK_Control_R:
K1_STATUS |= K1_CTRL;
K3_STATUS |= K3_RCTRL;
break;
case XK_Alt_L:
K1_STATUS |= K1_ALT;
K2_STATUS |= K2_LALT;
break;
case XK_Alt_R:
K1_STATUS |= K1_ALT;
K3_STATUS |= K3_RALT;
break;
case XK_Scroll_Lock:
K1_STATUS ^= K1_SLOCK;
K2_STATUS |= K2_SLOCK;
break;
case XK_Num_Lock:
K1_STATUS ^= K1_NLOCK;
K2_STATUS |= K2_NLOCK;
break;
case XK_Caps_Lock:
K1_STATUS ^= K1_CLOCK;
K2_STATUS |= K2_CLOCK;
break;
case XK_Insert:
case XK_KP_Insert:
K1_STATUS ^= K1_INSERT;
K2_STATUS |= K2_INSERT;
scan = 82;
goto docode;
case XK_Escape:
scan = 1;
goto docode;
case XK_Tab:
case XK_ISO_Left_Tab:
scan = 15;
goto docode;
case XK_Return:
case XK_KP_Enter:
scan = 28;
goto docode;
case XK_Print:
scan = 55;
goto docode;
case XK_F1:
case XK_F2:
case XK_F3:
case XK_F4:
case XK_F5:
case XK_F6:
case XK_F7:
case XK_F8:
case XK_F9:
case XK_F10:
scan = ks - XK_F1 + 59;
goto docode;
case XK_KP_7:
nlock = 1;
case XK_Home:
case XK_KP_Home:
scan = 71;
goto docode;
case XK_KP_8:
nlock = 1;
case XK_Up:
case XK_KP_Up:
scan = 72;
goto docode;
case XK_KP_9:
nlock = 1;
case XK_Prior:
case XK_KP_Prior:
scan = 73;
goto docode;
case XK_KP_Subtract:
scan = 74;
goto docode;
case XK_KP_4:
nlock = 1;
case XK_Left:
case XK_KP_Left:
scan = 75;
goto docode;
case XK_KP_5:
nlock = 1;
case XK_Begin:
case XK_KP_Begin:
scan = 76;
goto docode;
case XK_KP_6:
nlock = 1;
case XK_Right:
case XK_KP_Right:
scan = 77;
goto docode;
case XK_KP_Add:
scan = 78;
goto docode;
case XK_KP_1:
nlock = 1;
case XK_End:
case XK_KP_End:
scan = 79;
goto docode;
case XK_KP_2:
nlock = 1;
case XK_Down:
case XK_KP_Down:
scan = 80;
goto docode;
case XK_KP_3:
nlock = 1;
case XK_Next:
case XK_KP_Next:
scan = 81;
goto docode;
case XK_KP_0:
nlock = 1;
/* case XK_Insert: This is above */
scan = 82;
goto docode;
case XK_KP_Decimal:
nlock = 1;
scan = 83;
goto docode;
case XK_Delete:
case XK_KP_Delete:
scan = flipdelete ? 14 : 83;
goto docode;
case XK_BackSpace:
scan = flipdelete ? 83 : 14;
goto docode;
case XK_F11:
scan = 87;
goto docode;
case XK_F12:
scan = 88;
goto docode;
case XK_KP_Divide:
scan = Ascii2Scan['/'];
goto docode;
case XK_KP_Multiply:
scan = Ascii2Scan['*'];
goto docode;
default:
if (ks < ' ' || ks > '~')
break;
scan = Ascii2Scan[ks];
docode:
if (nlock)
scan |= 0x100;
if ((scan & ~0x100) > 88) {
scan = 0xffff;
break;
}
if ((K1_STATUS & K1_SHIFT) || (scan & 0x100)) {
scan = ScanCodes[scan & 0xff].shift;
} else if (K1_STATUS & K1_CTRL) {
scan = ScanCodes[scan & 0xff].ctrl;
} else if (K1_STATUS & K1_ALT) {
scan = ScanCodes[scan & 0xff].alt;
} else
scan = ScanCodes[scan & 0xff].base;
break;
}
if (scan != 0xffff) {
break_code = scan >> 8;
KbdWrite(scan);
}
return(1);
}
default:
break;
}
return(0);
}
void
mouse_event(void *crap)
{
while(1) {
if(mouse_wait())
KbdWrite(CIO_KEY_MOUSE);
}
}
void
video_async_event(void *crap)
{
int x;
fd_set fdset;
XEvent ev;
static struct timeval tv;
for (;;) {
video_update();
tv.tv_sec=0;
tv.tv_usec=54925;
/*
* Handle any events just sitting around...
*/
while (QLength(dpy) > 0) {
x11.XNextEvent(dpy, &ev);
video_event(&ev);
}
FD_ZERO(&fdset);
FD_SET(xfd, &fdset);
x = select(xfd+1, &fdset, 0, 0, &tv);
switch (x) {
case -1:
/*
* Errno might be wrong, so we just select again.
* This could cause a problem is something really
* was wrong with select....
*/
/* perror("select"); */
break;
case 0:
if(console_new_mode!=NO_NEW_MODE)
init_mode(console_new_mode);
if(x_current_font!=new_font) {
int oldfont=x_current_font;
int newmode=0;
x_current_font=new_font;
if(load_font(NULL,FW/FontScale,FH/FontScale,FontScale,&newmode)) {
if(font_force && newmode) {
init_mode(newmode);
sem_wait(&console_mode_changed);
if(load_font(NULL,FW/FontScale,FH/FontScale,FontScale,NULL)) {
setfont_return=-1;
x_current_font=oldfont;
new_font=oldfont;
load_font(NULL,FW/FontScale,FH/FontScale,FontScale,NULL);
}
else
setfont_return=0;
}
else {
setfont_return=-1;
x_current_font=oldfont;
new_font=oldfont;
load_font(NULL,FW/FontScale,FH/FontScale,FontScale,NULL);
}
}
else
setfont_return=0;
resize_window();
sem_post(&font_set);
}
while(!sem_trywait(&x11_beep))
x11.XBell(dpy, 0);
if(!sem_trywait(&x11_name))
x11.XSetIconName(dpy, win, window_name);
if(!sem_trywait(&x11_loadfont)) {
int oldfont=x_current_font;
x_load_font_ret=load_font(font_filename,FW/FontScale,FH/FontScale,FontScale,NULL);
if(x_load_font_ret)
x_current_font=oldfont;
new_font=x_current_font;
resize_window();
sem_post(&x11_fontloaded);
}
if(!sem_trywait(&x11_title))
x11.XStoreName(dpy, win, window_title);
if(!sem_trywait(©buf_set)) {
/* Copybuf has been set and isn't NULL */
x11.XSetSelectionOwner(dpy, CONSOLE_CLIPBOARD, win, CurrentTime);
}
if(!sem_trywait(&pastebuf_request)) {
Window sowner=None;
sowner=x11.XGetSelectionOwner(dpy, CONSOLE_CLIPBOARD);
if(sowner==win) {
/* Get your own primary selection */
if(copybuf==NULL)
pastebuf=NULL;
else
pastebuf=(unsigned char *)malloc(strlen(copybuf)+1);
if(pastebuf!=NULL)
strcpy(pastebuf,copybuf);
/* Set paste buffer */
sem_post(&pastebuf_set);
sem_wait(&pastebuf_request);
if(pastebuf!=NULL)
free(pastebuf);
pastebuf=NULL;
}
else if(sowner!=None) {
x11.XConvertSelection(dpy, CONSOLE_CLIPBOARD, XA_STRING, None, win, CurrentTime);
}
else {
/* Set paste buffer */
pastebuf=NULL;
sem_post(&pastebuf_set);
sem_wait(&pastebuf_request);
}
}
break;
default:
if (FD_ISSET(xfd, &fdset)) {
do {
x11.XNextEvent(dpy, &ev);
video_event(&ev);
} while (QLength(dpy));
}
}
}
}
/* Resize the window, using information from 'vga_status[]'. This function is
called after a mode change. */
void
resize_window()
{
XSizeHints *sh;
int r;
sh = x11.XAllocSizeHints();
if (sh == NULL) {
fprintf(stderr, "Could not get XSizeHints structure");
exit(1);
}
sh->base_width = FW * DpyCols + 4;
sh->base_height = FH * (DpyRows+1) + 4;
sh->min_width = (FW/FontScale) * DpyCols + 4;
sh->max_width = (FW/FontScale) * MAX_SCALE * DpyCols + 4;
sh->min_height = (FH/FontScale) * (DpyRows+1) +4;
sh->max_height = (FH/FontScale) * MAX_SCALE * (DpyRows+1) +4;
sh->flags = USSize | PMinSize | PMaxSize | PSize;
x11.XSetWMNormalHints(dpy, win, sh);
x11.XResizeWindow(dpy, win, sh->base_width, sh->base_height);
x11.XMapWindow(dpy, win);
x11.XFree(sh);
if(lines != NULL) {
pthread_mutex_lock(&lines_mutex);
for (r = 0; r < (CONSOLE_MAX_ROWS+1); ++r) {
memset(lines[r].exposed,1,CONSOLE_MAX_COLS * sizeof(u_char));
}
pthread_mutex_unlock(&lines_mutex);
}
return;
}
/* Scales a bitmap up to 2x it's current size */
char *
scale_bitmap(char *bitmap, int width, int height, int *multiplier)
{
char *ret;
char *outbyte;
int pos;
int origbmpsize;
int origbytesperline=1;
int scaledbmpsize;
int scaledbytesperline=1;
while(origbytesperline*8<width)
origbytesperline++;
if(*multiplier>MAX_SCALE)
*multiplier=MAX_SCALE;
if(*multiplier < 1)
*multiplier=1;
while(scaledbytesperline * 8<width*(*multiplier))
scaledbytesperline++;
origbmpsize=origbytesperline*height;
scaledbmpsize=scaledbytesperline*height*(*multiplier);
ret=(char *)malloc(scaledbmpsize);
if(ret==NULL)
return(NULL);
outbyte=ret;
for(pos=0;pos<origbmpsize;pos++) {
switch(*multiplier) {
case 1:
*(outbyte++)=bitmap[pos];
break;
case 2:
*outbyte=
((bitmap[pos]&0x08)<<4)
|((bitmap[pos]&0x08)<<3)
|((bitmap[pos]&0x04)<<3)
|((bitmap[pos]&0x04)<<2)
|((bitmap[pos]&0x02)<<2)
|((bitmap[pos]&0x02)<<1)
|((bitmap[pos]&0x01)<<1)
|((bitmap[pos]&0x01));
outbyte++;
*outbyte=
((bitmap[pos]&0x80))
|((bitmap[pos]&0x80)>>1)
|((bitmap[pos]&0x40)>>1)
|((bitmap[pos]&0x40)>>2)
|((bitmap[pos]&0x20)>>2)
|((bitmap[pos]&0x20)>>3)
|((bitmap[pos]&0x10)>>3)
|((bitmap[pos]&0x10)>>4);
outbyte++;
*outbyte=
((bitmap[pos]&0x08)<<4)
|((bitmap[pos]&0x08)<<3)
|((bitmap[pos]&0x04)<<3)
|((bitmap[pos]&0x04)<<2)
|((bitmap[pos]&0x02)<<2)
|((bitmap[pos]&0x02)<<1)
|((bitmap[pos]&0x01)<<1)
|((bitmap[pos]&0x01));
outbyte++;
*outbyte=
((bitmap[pos]&0x80))
|((bitmap[pos]&0x80)>>1)
|((bitmap[pos]&0x40)>>1)
|((bitmap[pos]&0x40)>>2)
|((bitmap[pos]&0x20)>>2)
|((bitmap[pos]&0x20)>>3)
|((bitmap[pos]&0x10)>>3)
|((bitmap[pos]&0x10)>>4);
outbyte++;
break;
}
}
return(ret);
}
/* No longer uses X fonts - pass NULL to use VGA 8x16 font */
int
load_font(char *filename, int width, int height, int scale, int *newmode)
{
XGCValues gcv;
char *font;
char *scaledfont;
char fontdata[256*16];
int i,j;
static char current_filename[MAX_PATH];
FILE *fontfile;
if(height > 16)
return(-1);
if(x_current_font==-99 || x_current_font>(sizeof(conio_fontdata)/sizeof(struct conio_font_data_struct)-2)) {
for(i=0; conio_fontdata[i].desc != NULL; i++) {
if(!strcmp(conio_fontdata[i].desc, "Codepage 437 English")) {
x_current_font=i;
break;
}
}
if(conio_fontdata[i].desc==NULL)
x_current_font=0;
new_font=x_current_font;
}
if(x_current_font==-1)
filename=current_filename;
else if(conio_fontdata[x_current_font].desc==NULL)
return(-1);
if(filename != NULL) {
int fl=flength(filename);
if(newmode != NULL) {
switch(fl/256) {
case 8:
*newmode=C80X50;
break;
case 14:
*newmode=C80X28;
break;
case 16:
*newmode=C80;
break;
}
}
if(fl!=height*256)
return(-1);
if((fontfile=fopen(filename,"rb"))==NULL)
return(-1);
if(fread(fontdata, 1, height*256, fontfile)!=height*256) {
fclose(fontfile);
return(-1);
}
fclose(fontfile);
x_current_font=new_font=-1;
if(filename != current_filename)
SAFECOPY(current_filename,filename);
}
else {
if(newmode != NULL) {
if(conio_fontdata[x_current_font].eight_by_sixteen!=NULL)
*newmode=C80;
else if(conio_fontdata[x_current_font].eight_by_fourteen!=NULL)
*newmode=C80X28;
else if(conio_fontdata[x_current_font].eight_by_eight!=NULL)
*newmode=C80X50;
}
switch(width) {
case 8:
switch(height) {
case 8:
font=conio_fontdata[x_current_font].eight_by_eight;
break;
case 14:
font=conio_fontdata[x_current_font].eight_by_fourteen;
break;
case 16:
font=conio_fontdata[x_current_font].eight_by_sixteen;
break;
default:
return(1);
}
break;
default:
return(1);
}
if(font==NULL)
return(1);
memcpy(fontdata, font, height*256);
}
FW = width;
FH = height;
/* Swap bit order... leftmost bit is most significant, X11 wants it the
* other way. */
for(i=0; i<256; i++) {
for(j=0; j<height; j++) {
fontdata[i*height+j]= ((fontdata[i*height+j] & 0x80) >> 7)
| ((fontdata[i*height+j] & 0x40) >> 5)
| ((fontdata[i*height+j] & 0x20) >> 3)
| ((fontdata[i*height+j] & 0x10) >> 1)
| ((fontdata[i*height+j] & 0x08) << 1)
| ((fontdata[i*height+j] & 0x04) << 3)
| ((fontdata[i*height+j] & 0x02) << 5)
| ((fontdata[i*height+j] & 0x01) << 7);
}
}
if(pfnt!=0)
x11.XFreePixmap(dpy,pfnt);
scaledfont=scale_bitmap(fontdata, FW, FH*256, &FontScale);
if(scaledfont==NULL)
pfnt=x11.XCreateBitmapFromData(dpy, win, fontdata, FW, FH*256);
else {
FW*=scale;
FH*=scale;
pfnt=x11.XCreateBitmapFromData(dpy, win, scaledfont, FW, FH*256);
free(scaledfont);
}
return(0);
}
/* Calculate 'pixels[]' from the current DAC table and palette.
To do: do not use 'pixels[]', use an array of 'XColor's which we can
allocate and free on demand. Install a private colormap if necessary. */
void
update_pixels()
{
int i;
Colormap cm;
/* We support only 16 colors for now. */
for (i = 0; i < 16; i++) {
XColor color;
color.red = dac_default16[palette[i]].red << 10;
color.green = dac_default16[palette[i]].green << 10;
color.blue = dac_default16[palette[i]].blue << 10;
if (x11.XAllocColor(dpy, DefaultColormap(dpy, DefaultScreen(dpy)), &color)) {
pixels[i] = color.pixel;
} else if (i < 7)
pixels[i] = BlackPixel(dpy, DefaultScreen(dpy));
else
pixels[i] = WhitePixel(dpy, DefaultScreen(dpy));
}
}
int
init_mode(int mode)
{
struct video_params vmode;
int idx; /* Index into vmode */
int i;
idx = find_vmode(mode);
if (idx == -1) {
console_new_mode=NO_NEW_MODE;
sem_post(&console_mode_changed);
return(-1);
}
vmode = vparams[idx];
DpyCols = vmode.cols;
CursStart = vmode.curs_start;
CursEnd = vmode.curs_end;
DpyRows = vmode.rows-1;
InitCS = CursStart;
InitCE = CursEnd;
vmem = (WORD *)realloc(vmem,vmode.cols*vmode.rows*sizeof(WORD));
/* Point 'palette[]' to the Attribute Controller space. We will only use
the first 16 slots. */
palette = palettes[vmode.palette];
/* Load 'pixels[]' from default DAC values. */
update_pixels();
/* Update font. */
if(load_font(NULL,vmode.charwidth,vmode.charheight,FontScale,NULL)) {
sem_post(&console_mode_changed);
return(-1);
}
/* Resize window if necessary. */
resize_window();
get_lines();
/* Initialize video memory with black background, white foreground */
for (i = 0; i < DpyCols*DpyRows; ++i)
vmem[i] = 0x0700;
CurrMode=mode;
console_new_mode=NO_NEW_MODE;
sem_post(&console_mode_changed);
return(0);
}
/* Get a connection to the X server and create the window. */
int
init_window()
{
XGCValues gcv;
int i;
dpy = x11.XOpenDisplay(NULL);
if (dpy == NULL) {
return(-1);
}
xfd = ConnectionNumber(dpy);
/* Create window, but defer setting a size and GC. */
win = x11.XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0,
1, 1, 2, black, black);
gcv.foreground = white;
gcv.background = black;
gc = x11.XCreateGC(dpy, win, GCForeground | GCBackground, &gcv);
gcv.foreground = 1;
gcv.background = 0;
gcv.function = GXxor;
cgc = x11.XCreateGC(dpy, win, GCForeground|GCBackground|GCFunction, &gcv);
x11.XSelectInput(dpy, win, KeyReleaseMask | KeyPressMask |
ExposureMask | ButtonPressMask
| ButtonReleaseMask | PointerMotionMask | StructureNotifyMask);
SAFECOPY(window_title,"SyncConsole");
x11.XStoreName(dpy, win, window_title);
/* Get the default visual and depth for later use. */
depth = DefaultDepth(dpy, DefaultScreen(dpy));
visual = DefaultVisual(dpy, DefaultScreen(dpy));
return(0);
}
int
kbd_init()
{
K_BUFSTARTP = 0x0000; /* Start of keyboard buffer */
K_BUFENDP = 0x20; /* End of keyboard buffer */
K_NEXT = K_FREE = K_BUFSTARTP;
return(0);
}
int
console_init()
{
int fd;
int i;
void *dl;
if(dpy!=NULL)
return(0);
#ifdef STATIC_LINK
x11.XChangeGC=XChangeGC;
x11.XCopyPlane=XCopyPlane;
x11.XFillRectangle=XFillRectangle;
x11.XFlush=XFlush;
x11.XBell=XBell;
x11.XLookupString=XLookupString;
x11.XNextEvent=XNextEvent;
x11.XAllocSizeHints=XAllocSizeHints;
x11.XSetWMNormalHints=XSetWMNormalHints;
x11.XResizeWindow=XResizeWindow;
x11.XMapWindow=XMapWindow;
x11.XFree=XFree;
x11.XFreePixmap=XFreePixmap;
x11.XCreateBitmapFromData=XCreateBitmapFromData;
x11.XAllocColor=XAllocColor;
x11.XOpenDisplay=XOpenDisplay;
x11.XCreateSimpleWindow=XCreateSimpleWindow;
x11.XCreateGC=XCreateGC;
x11.XSelectInput=XSelectInput;
x11.XStoreName=XStoreName;
x11.XGetSelectionOwner=XGetSelectionOwner;
x11.XConvertSelection=XConvertSelection;
x11.XGetWindowProperty=XGetWindowProperty;
x11.XChangeProperty=XChangeProperty;
x11.XSendEvent=XSendEvent;
x11.XSetSelectionOwner=XSetSelectionOwner;
x11.XSetIconName=XSetIconName;
#else
#if defined(__APPLE__) && defined(__MACH__) && defined(__POWERPC__)
if((dl=dlopen("/usr/X11R6/lib/libX11.dylib",RTLD_LAZY|RTLD_GLOBAL))==NULL)
#else
if((dl=dlopen("libX11.so",RTLD_LAZY))==NULL)
#endif
return(-1);
if((x11.XChangeGC=dlsym(dl,"XChangeGC"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XCopyPlane=dlsym(dl,"XCopyPlane"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XFillRectangle=dlsym(dl,"XFillRectangle"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XFlush=dlsym(dl,"XFlush"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XBell=dlsym(dl,"XBell"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XLookupString=dlsym(dl,"XLookupString"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XNextEvent=dlsym(dl,"XNextEvent"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XAllocSizeHints=dlsym(dl,"XAllocSizeHints"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XSetWMNormalHints=dlsym(dl,"XSetWMNormalHints"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XResizeWindow=dlsym(dl,"XResizeWindow"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XMapWindow=dlsym(dl,"XMapWindow"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XFree=dlsym(dl,"XFree"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XFreePixmap=dlsym(dl,"XFreePixmap"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XCreateBitmapFromData=dlsym(dl,"XCreateBitmapFromData"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XAllocColor=dlsym(dl,"XAllocColor"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XOpenDisplay=dlsym(dl,"XOpenDisplay"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XCreateSimpleWindow=dlsym(dl,"XCreateSimpleWindow"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XCreateGC=dlsym(dl,"XCreateGC"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XSelectInput=dlsym(dl,"XSelectInput"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XStoreName=dlsym(dl,"XStoreName"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XGetSelectionOwner=dlsym(dl,"XGetSelectionOwner"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XConvertSelection=dlsym(dl,"XConvertSelection"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XGetWindowProperty=dlsym(dl,"XGetWindowProperty"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XChangeProperty=dlsym(dl,"XChangeProperty"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XSendEvent=dlsym(dl,"XSendEvent"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XSetSelectionOwner=dlsym(dl,"XSetSelectionOwner"))==NULL) {
dlclose(dl);
return(-1);
}
if((x11.XSetIconName=dlsym(dl,"XSetIconName"))==NULL) {
dlclose(dl);
return(-1);
}
#endif
sem_init(&console_mode_changed,0,0);
sem_init(©buf_set,0,0);
sem_init(&pastebuf_request,0,0);
sem_init(&pastebuf_set,0,0);
sem_init(&x11_beep,0,0);
sem_init(&x11_title,0,0);
sem_init(&x11_name,0,0);
sem_init(&font_set,0,0);
sem_init(&x11_loadfont,0,0);
sem_init(&x11_fontloaded,0,0);
pthread_mutex_init(©buf_mutex, NULL);
pthread_mutex_init(&lines_mutex, NULL);
if(kbd_init()) {
return(-1);
}
if(video_init()) {
return(-1);
}
_beginthread(video_async_event,1<<16,NULL);
_beginthread(mouse_event,1<<16,NULL);
return(0);
}
int
video_init()
{
/* If we are running under X, get a connection to the X server and create
an empty window of size (1, 1). It makes a couple of init functions a
lot easier. */
if(init_window())
return(-1);
/* Initialize mode 3 (text, 80x25, 16 colors) */
if(init_mode(3)) {
return(-1);
}
sem_wait(&console_mode_changed);
return(0);
}
WORD
KbdPeek()
{
return(K_BUF(K_NEXT));
}
WORD
KbdRead()
{
int kf = K_NEXT;
WORD ret;
K_NEXT = K_NEXT + 2;
if (K_NEXT == K_BUFENDP)
K_NEXT = K_BUFSTARTP;
ret=K_BUF(kf);
if(x_pending_mousekeys) {
KbdWrite(CIO_KEY_MOUSE);
x_pending_mousekeys--;
}
return(ret);
}
int
KbdEmpty(void)
{
return(K_NEXT == K_FREE);
}
int x_nextchar = 0;
int
tty_read(int flag)
{
int r;
if ((r = x_nextchar) != 0) {
x_nextchar = 0;
return(r & 0xff);
}
if (KbdEmpty()) {
if (flag & TTYF_BLOCK) {
while (KbdEmpty())
tty_pause();
} else {
return(-1);
}
}
r = KbdRead();
if ((r & 0xff) == 0 || (r & 0xff) == 0xff)
x_nextchar = r >> 8;
r &= 0xff;
return(r & 0xff);
}
int
tty_peek(int flag)
{
int c;
if (c == x_nextchar)
return(x_nextchar & 0xff);
if (KbdEmpty()) {
if (flag & TTYF_POLL) {
sleep_poll();
if (KbdEmpty())
return(0);
} else if (flag & TTYF_BLOCK) {
while (KbdEmpty())
tty_pause();
} else
return(0);
}
c = KbdPeek();
return(0xff);
}
int
tty_kbhit(void)
{
if(x_nextchar || !KbdEmpty())
return(1);
return(0);
}
void x_win_title(const char *title)
{
SAFECOPY(window_title,title);
sem_post(&x11_title);
}
void x_win_name(const char *name)
{
SAFECOPY(window_name,name);
sem_post(&x11_name);
}
int x_load_font(const char *filename)
{
SAFECOPY(font_filename, filename);
sem_post(&x11_loadfont);
sem_wait(&x11_fontloaded);
return(x_load_font_ret);
}
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