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deb-goldedplus/goldlib/gall/gutldos.cpp
2000-02-25 10:15:17 +00:00

403 lines
9.5 KiB
C++

// This may look like C code, but it is really -*- C++ -*-
// ------------------------------------------------------------------
// The Goldware Library
// Copyright (C) 1999 Alexander S. Aganichev
// ------------------------------------------------------------------
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this program; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307, USA
// ------------------------------------------------------------------
// $Id$
// ------------------------------------------------------------------
// Various WinOldAp functions.
// ------------------------------------------------------------------
#include <cstdlib>
#include <cstdio>
#include <gstrall.h>
#include <gmemdbg.h>
#include <gutlos.h>
#include <gmemi86.h>
#ifdef __DJGPP__
#include <dos.h>
#include <unistd.h>
#include <dpmi.h>
#include <go32.h>
#include <sys/farptr.h>
#endif
// ------------------------------------------------------------------
enum OSAPI {
NOAPI,
WIN3x,
WIN9x,
ANSIPLUS
};
OSAPI winapi;
char ge_win_oldtitle[GMAXTITLE] = "";
char ge_win_title[GMAXTITLE] = "";
int ge_win_ext_title;
// ------------------------------------------------------------------
int g_init_os(int flags) {
NW(flags);
i86 cpu;
// Identify WinOldAp version
cpu.ax(0x1700);
cpu.genint(0x2f);
winapi = NOAPI;
if(cpu.ax() != 0x1700) {
winapi = WIN3x;
// Identify Windows version and type
cpu.ax(0x160a);
cpu.genint(0x2f);
if((cpu.ax() == 0x0000) and (cpu.bh() > 3))
winapi = WIN9x;
}
else {
// Check for ANSIPLUS.SYS v4.00+
cpu.ax(0x1a00);
cpu.bx(0x414e);
cpu.cx(0x5349);
cpu.dx(0x2b2b);
cpu.genint(0x2f);
if((cpu.al() == 0xff) and (cpu.ch() > 3))
winapi = ANSIPLUS;
}
#ifdef __DJGPP__
// reload internal djgpp structures for toupper/tolower
int segment, selector;
if((segment = __dpmi_allocate_dos_memory(1, &selector)) != -1) {
cpu.ah(0x65);
cpu.al(0x02);
cpu.bx(0xffff);
cpu.dx(0xffff);
cpu.cx(5);
cpu.es(segment);
cpu.di(0);
cpu.genint(0x21);
if(not (cpu.flags() & 1) and (cpu.cx() == 5)) {
unsigned int table = _farpeekw(selector, 3) * 16 + _farpeekw(selector, 1);
int i, size = _farpeekw(_dos_ds, table);
movedata(_dos_ds, table + 2, _my_ds(), (unsigned int)&(toupper(128)), size);
// let's build lowercase table from uppercase...
for(i = 0; i < size; i++) {
int c = toupper(i + 128);
if((c != i + 128) and (c > 127))
tolower(c) = i + 128;
}
for(i=128; i<256; i++) {
if((toupper(tolower(i)) != i) && (tolower(toupper(i)) != i))
tolower(i) = toupper(i) = i;
if(toupper(tolower(i)) != toupper(i))
toupper(i) = i;
if(tolower(toupper(i)) != tolower(i))
tolower(i) = i;
}
}
__dpmi_free_dos_memory(selector);
}
#endif
g_get_ostitle_name(ge_win_oldtitle);
return 0;
}
// ------------------------------------------------------------------
void g_deinit_os(void) {
if(*ge_win_oldtitle)
g_set_ostitle_name(ge_win_oldtitle, 1);
}
// ------------------------------------------------------------------
void g_init_title(char *tasktitle, int titlestatus) {
strxcpy(ge_win_title, tasktitle, GMAXTITLE);
ge_win_ext_title = titlestatus;
}
// ------------------------------------------------------------------
void g_increase_priority(void) {
// Do nothing
}
// ------------------------------------------------------------------
void g_set_ostitle(char* title, word dx) {
if(winapi == WIN9x) {
if(dx and not *title)
return;
i86 cpu;
int segment, selector;
size_t len = strlen(title) + 1;
segment = __dpmi_allocate_dos_memory((len >> 4) + 1, &selector);
if(segment == -1)
return;
movedata(_my_ds(), (unsigned)title, selector, 0, len);
// Set application title
cpu.ax(0x168e);
cpu.dx(dx);
cpu.es(segment);
cpu.di(0x0000);
cpu.genint(0x2f);
__dpmi_yield();
__dpmi_free_dos_memory(selector);
}
}
// ------------------------------------------------------------------
void g_set_osicon(void) {
// do nothing
}
// ------------------------------------------------------------------
bool g_is_clip_available(void) {
return (winapi == NOAPI) ? false : true;
}
// ------------------------------------------------------------------
char* g_get_clip_text(void) {
if(winapi == NOAPI)
return NULL;
i86 cpu;
int seg, selector;
char* text = NULL;
size_t len;
if((winapi == WIN3x) or (winapi == WIN9x)) {
// Open clipboard
cpu.ax(0x1701);
cpu.genint(0x2f);
if(cpu.ax() == 0x0000)
return NULL;
// Get clipboard data size
cpu.ax(0x1704);
cpu.dx(0x07);
cpu.genint(0x2f);
len = cpu.ax() + (cpu.dx() << 16);
if(len != 0)
if((seg = __dpmi_allocate_dos_memory(len >> 4, &selector)) != -1) {
// Get clipboard data
cpu.ax(0x1705);
cpu.dx(0x07); // OEM text
cpu.es(seg);
cpu.bx(0x0000);
cpu.genint(0x2f);
if(cpu.ax() != 0x0000) {
text = (char *) throw_malloc(len);
if(text)
movedata(selector, 0, _my_ds(), (unsigned) text, len);
}
__dpmi_free_dos_memory(selector);
}
// Close clipboard
cpu.ax(0x1708);
cpu.genint(0x2f);
}
else {
// Get clipboard information
cpu.ax(0x1aa5);
cpu.dh(0x00);
cpu.genint(0x2f);
if(cpu.al() == 0x00) {
len = cpu.cx();
if(len)
if((seg = __dpmi_allocate_dos_memory((len >> 4) + 1, &selector)) != -1) {
// Get clipboard text
cpu.ax(0x1aa5);
cpu.dh(0x01);
cpu.es(seg);
cpu.bx(0x0000);
cpu.genint(0x2f);
if(cpu.al() == 0x00) {
text = (char *) throw_malloc(len);
if(text)
movedata(selector, 0, _my_ds(), (unsigned) text, len);
}
__dpmi_free_dos_memory(selector);
}
}
}
return text;
}
// ------------------------------------------------------------------
int g_put_clip_text(char* buf) {
if(winapi == NOAPI)
return -1;
i86 cpu;
int seg, selector;
int result = -1;
size_t len = strlen(buf);
if((winapi == WIN3x) or (winapi == WIN9x)) {
// Open clipboard
cpu.ax(0x1701);
cpu.genint(0x2f);
if(cpu.ax() == 0x0000)
return -1;
// Empty clipboard
cpu.ax(0x1702);
cpu.genint(0x2f);
if(len>0) {
if((seg = __dpmi_allocate_dos_memory((len >> 4) + 1, &selector)) != -1) {
movedata(_my_ds(), (unsigned) buf, selector, 0, len);
// Set clipboard data
cpu.ax(0x1703);
cpu.dx(0x07);
cpu.si(len >> 16);
cpu.cx(len & 0xffff);
cpu.es(seg);
cpu.bx(0);
cpu.genint(0x2f);
__dpmi_free_dos_memory(selector);
if(cpu.ax() != 0x0000)
result = 0;
}
}
// Close clipboard
cpu.ax(0x1708);
cpu.genint(0x2f);
}
else {
// Clear clipboard
cpu.ax(0x1aa5);
cpu.dh(0x04);
cpu.genint(0x2f);
if(len > 0)
if((seg = __dpmi_allocate_dos_memory((len >> 4) + 1, &selector)) != -1) {
movedata(_my_ds(), (unsigned) buf, selector, 0, len);
// Set clipboard text
cpu.ax(0x1aa5);
cpu.dh(0x01);
cpu.es(seg);
cpu.bx(0x0000);
cpu.cx(len & 0xffff);
cpu.genint(0x2f);
__dpmi_free_dos_memory(selector);
if(cpu.al() == 0x00)
result = 0;
}
}
return result;
}
// ------------------------------------------------------------------
void g_get_ostitle_name(char* title) {
*title = NUL;
if(winapi == WIN9x) {
i86 cpu;
int segment, selector;
segment = __dpmi_allocate_dos_memory((GMAXTITLE >> 4) + 1, &selector);
if(segment == -1)
return;
// Get vdm title
cpu.ax(0x168e);
cpu.dx(3);
cpu.es(segment);
cpu.di(0);
cpu.cx(GMAXTITLE);
cpu.genint(0x2f);
movedata(selector, 0, _my_ds(), (unsigned)title, GMAXTITLE);
strcat(title, " - ");
int len = strlen(title);
// Get application title
cpu.ax(0x168e);
cpu.dx(2);
cpu.es(segment);
cpu.di(0);
cpu.cx(GMAXTITLE - len);
cpu.genint(0x2f);
movedata(selector, 0, _my_ds(), (unsigned)title + len, GMAXTITLE - len);
__dpmi_free_dos_memory(selector);
len = strlen(title);
if(streql(title + len - 3, " - "))
title[len-3] = NUL;
}
}
// ------------------------------------------------------------------
void g_set_ostitle_name(char* title, int mode) {
if(mode == 0) {
if(ge_win_ext_title)
g_set_ostitle(title, 0);
}
else {
char* p;
char* s = throw_xstrdup(title);
if((p = strstr(s, " - ")) != NULL) {
*p = NUL;
p += 3;
}
else
p = s + strlen(s);
g_set_ostitle(p, 0);
g_set_ostitle(s, 1);
throw_xfree(s);
}
}
// ------------------------------------------------------------------