406 lines
9.7 KiB
C++
406 lines
9.7 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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// ------------------------------------------------------------------
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// The Goldware Library
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// Copyright (C) 1999 Alexander S. Aganichev
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// ------------------------------------------------------------------
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free
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// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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// MA 02111-1307, USA
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// ------------------------------------------------------------------
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// $Id$
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// ------------------------------------------------------------------
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// Various WinOldAp functions.
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// ------------------------------------------------------------------
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#include <cstdlib>
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#include <cstdio>
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#include <gstrall.h>
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#include <gmemdbg.h>
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#include <gutlos.h>
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#include <gmemi86.h>
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#ifdef __DJGPP__
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#include <dos.h>
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#include <unistd.h>
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#include <dpmi.h>
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#include <go32.h>
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#include <sys/farptr.h>
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#endif
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// ------------------------------------------------------------------
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enum OSAPI {
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NOAPI,
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WIN3x,
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WIN9x,
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ANSIPLUS
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};
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OSAPI winapi;
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char ge_win_oldtitle[GMAXTITLE+1] = "";
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char ge_win_title[GMAXTITLE+1] = "";
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int ge_win_ext_title;
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// ------------------------------------------------------------------
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int g_init_os(int flags) {
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NW(flags);
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i86 cpu;
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// Identify WinOldAp version
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cpu.ax(0x1700);
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cpu.genint(0x2f);
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winapi = NOAPI;
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if(cpu.ax() != 0x1700) {
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winapi = WIN3x;
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// Identify Windows version and type
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cpu.ax(0x160a);
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cpu.genint(0x2f);
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if((cpu.ax() == 0x0000) and (cpu.bh() > 3))
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winapi = WIN9x;
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}
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else {
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// Check for ANSIPLUS.SYS v4.00+
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cpu.ax(0x1a00);
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cpu.bx(0x414e);
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cpu.cx(0x5349);
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cpu.dx(0x2b2b);
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cpu.genint(0x2f);
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if((cpu.al() == 0xff) and (cpu.ch() > 3))
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winapi = ANSIPLUS;
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}
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#if 0 // __DJGPP__: get djlocale patch instead
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// reload internal djgpp structures for toupper/tolower
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int segment, selector;
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if((segment = __dpmi_allocate_dos_memory(1, &selector)) != -1) {
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cpu.ah(0x65);
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cpu.al(0x02);
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cpu.bx(0xffff);
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cpu.dx(0xffff);
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cpu.cx(5);
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cpu.es(segment);
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cpu.di(0);
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cpu.genint(0x21);
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if(not (cpu.flags() & 1) and (cpu.cx() == 5)) {
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uint32_t table = _farpeekw(selector, 3) * 16 + _farpeekw(selector, 1);
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int i, size = _farpeekw(_dos_ds, table);
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movedata(_dos_ds, table + 2, _my_ds(), (uint32_t)&(toupper(128)), size);
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// let's build lowercase table from uppercase...
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for(i = 0; i < size; i++) {
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int c = toupper(i + 128);
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if((c != i + 128) and (c > 127))
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tolower(c) = i + 128;
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}
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for(i=128; i<256; i++) {
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if((toupper(tolower(i)) != i) and (tolower(toupper(i)) != i))
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tolower(i) = toupper(i) = i;
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if(toupper(tolower(i)) != toupper(i))
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toupper(i) = i;
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if(tolower(toupper(i)) != tolower(i))
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tolower(i) = i;
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}
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}
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__dpmi_free_dos_memory(selector);
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}
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#endif
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g_get_ostitle_name(ge_win_oldtitle);
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return 0;
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}
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// ------------------------------------------------------------------
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void g_deinit_os(void) {
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if(*ge_win_oldtitle)
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g_set_ostitle_name(ge_win_oldtitle, 1);
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}
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// ------------------------------------------------------------------
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void g_init_title(char *tasktitle, int titlestatus) {
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strxcpy(ge_win_title, tasktitle, GMAXTITLE);
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ge_win_ext_title = titlestatus;
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}
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// ------------------------------------------------------------------
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void g_increase_priority(void) {
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// Do nothing
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}
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// ------------------------------------------------------------------
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void g_set_ostitle(char* title, word dx) {
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if(winapi == WIN9x) {
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if(dx and not *title)
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return;
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i86 cpu;
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int segment, selector;
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size_t len = strlen(title) + 1;
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segment = __dpmi_allocate_dos_memory((len >> 4) + 1, &selector);
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if(segment == -1)
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return;
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movedata(_my_ds(), (unsigned)title, selector, 0, len);
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// Set application title
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cpu.ax(0x168e);
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cpu.dx(dx);
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cpu.es(segment);
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cpu.di(0x0000);
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cpu.genint(0x2f);
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__dpmi_yield();
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__dpmi_free_dos_memory(selector);
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}
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}
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// ------------------------------------------------------------------
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void g_set_osicon(void) {
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// do nothing
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}
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// ------------------------------------------------------------------
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bool g_is_clip_available(void) {
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return (winapi == NOAPI) ? false : true;
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}
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// ------------------------------------------------------------------
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char* g_get_clip_text(void) {
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if(winapi == NOAPI)
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return NULL;
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i86 cpu;
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int seg, selector;
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char* text = NULL;
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size_t len;
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if((winapi == WIN3x) or (winapi == WIN9x)) {
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// Open clipboard
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cpu.ax(0x1701);
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cpu.genint(0x2f);
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if(cpu.ax() == 0x0000)
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return NULL;
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// Get clipboard data size
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cpu.ax(0x1704);
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cpu.dx(0x07);
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cpu.genint(0x2f);
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len = cpu.ax() + (cpu.dx() << 16);
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if(len != 0)
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// For compatibility with http://www.chat.ru/~tulser/clipbrd.zip
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// we'll round up memory.
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if((seg = __dpmi_allocate_dos_memory((len + 0x1f) >> 4, &selector)) != -1) {
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// Get clipboard data
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cpu.ax(0x1705);
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cpu.dx(0x07); // OEM text
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cpu.es(seg);
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cpu.bx(0x0000);
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cpu.genint(0x2f);
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if(cpu.ax() != 0x0000) {
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text = (char *) throw_malloc(len+1);
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if(text)
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movedata(selector, 0, _my_ds(), (unsigned) text, len);
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text[len] = NUL;
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}
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__dpmi_free_dos_memory(selector);
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}
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// Close clipboard
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cpu.ax(0x1708);
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cpu.genint(0x2f);
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}
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else {
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// Get clipboard information
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cpu.ax(0x1aa5);
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cpu.dh(0x00);
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cpu.genint(0x2f);
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if(cpu.al() == 0x00) {
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len = cpu.cx();
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if(len)
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if((seg = __dpmi_allocate_dos_memory((len >> 4) + 1, &selector)) != -1) {
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// Get clipboard text
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cpu.ax(0x1aa5);
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cpu.dh(0x01);
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cpu.es(seg);
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cpu.bx(0x0000);
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cpu.genint(0x2f);
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if(cpu.al() == 0x00) {
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text = (char *) throw_malloc(len);
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if(text)
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movedata(selector, 0, _my_ds(), (unsigned) text, len);
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}
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__dpmi_free_dos_memory(selector);
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}
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}
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}
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return text;
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}
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// ------------------------------------------------------------------
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int g_put_clip_text(const char* buf) {
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if(winapi == NOAPI)
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return -1;
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i86 cpu;
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int seg, selector;
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int result = -1;
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size_t len = strlen(buf);
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if((winapi == WIN3x) or (winapi == WIN9x)) {
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// Open clipboard
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cpu.ax(0x1701);
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cpu.genint(0x2f);
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if(cpu.ax() == 0x0000)
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return -1;
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// Empty clipboard
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cpu.ax(0x1702);
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cpu.genint(0x2f);
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if(len>0) {
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if((seg = __dpmi_allocate_dos_memory((len >> 4) + 1, &selector)) != -1) {
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movedata(_my_ds(), (unsigned) buf, selector, 0, len);
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// Set clipboard data
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cpu.ax(0x1703);
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cpu.dx(0x07);
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cpu.si(len >> 16);
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cpu.cx(len & 0xffff);
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cpu.es(seg);
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cpu.bx(0);
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cpu.genint(0x2f);
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__dpmi_free_dos_memory(selector);
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if(cpu.ax() != 0x0000)
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result = 0;
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}
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}
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// Close clipboard
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cpu.ax(0x1708);
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cpu.genint(0x2f);
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}
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else {
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// Clear clipboard
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cpu.ax(0x1aa5);
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cpu.dh(0x04);
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cpu.genint(0x2f);
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if(len > 0)
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if((seg = __dpmi_allocate_dos_memory((len >> 4) + 1, &selector)) != -1) {
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movedata(_my_ds(), (unsigned) buf, selector, 0, len);
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// Set clipboard text
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cpu.ax(0x1aa5);
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cpu.dh(0x01);
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cpu.es(seg);
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cpu.bx(0x0000);
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cpu.cx(len & 0xffff);
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cpu.genint(0x2f);
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__dpmi_free_dos_memory(selector);
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if(cpu.al() == 0x00)
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result = 0;
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}
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}
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return result;
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}
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// ------------------------------------------------------------------
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void g_get_ostitle_name(char* title) {
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*title = NUL;
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if(winapi == WIN9x) {
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i86 cpu;
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int segment, selector;
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segment = __dpmi_allocate_dos_memory((GMAXTITLE >> 4) + 1, &selector);
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if(segment == -1)
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return;
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// Get vdm title
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cpu.ax(0x168e);
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cpu.dx(3);
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cpu.es(segment);
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cpu.di(0);
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cpu.cx(GMAXTITLE);
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cpu.genint(0x2f);
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movedata(selector, 0, _my_ds(), (unsigned)title, GMAXTITLE);
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strcat(title, " - ");
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int len = strlen(title);
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// Get application title
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cpu.ax(0x168e);
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cpu.dx(2);
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cpu.es(segment);
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cpu.di(0);
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cpu.cx(GMAXTITLE - len);
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cpu.genint(0x2f);
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movedata(selector, 0, _my_ds(), (unsigned)title + len, GMAXTITLE - len);
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__dpmi_free_dos_memory(selector);
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len = strlen(title);
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if(streql(title + len - 3, " - "))
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title[len-3] = NUL;
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}
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}
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// ------------------------------------------------------------------
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void g_set_ostitle_name(char* title, int mode) {
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if(mode == 0) {
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if(ge_win_ext_title)
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g_set_ostitle(title, 0);
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}
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else {
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char* p;
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char* s = throw_xstrdup(title);
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if((p = strstr(s, " - ")) != NULL) {
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*p = NUL;
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p += 3;
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}
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else
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p = s + strlen(s);
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g_set_ostitle(p, 0);
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g_set_ostitle(s, 1);
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throw_xfree(s);
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}
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}
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// ------------------------------------------------------------------
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