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/*********************************************************/
/* ptycon: a pty-console bridge */
/* Copyright (C) 2016 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.PTYCON. */
/*********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntcon/ntcon.h>
#include <ntapi/ntapi.h>
#include <gdi/gdi.h>
#include <ptycon/ptycon.h>
#include "ptycon_driver_impl.h"
typedef nt_unicode_conversion_params_utf16_to_utf8 uc_conv_params;
static size_t ptyc_translate_keyboard_event(
nt_input_record * rec,
unsigned char * ch,
wchar16_t * wch)
{
wchar16_t src[2];
wchar16_t recwch;
uint32_t nbytes;
uc_conv_params params = {0,0,0,0,0,0,0,0,0};
if (!rec->key_event.key_down)
return 0;
if (!(recwch = rec->key_event.unicode_char))
return 0;
if (*wch) {
if ((recwch < 0xDC00) || (recwch >= 0xE000)) {
*wch = 0;
return 0;
} else {
src[0] = *wch;
src[1] = recwch;
*wch = 0;
nbytes = 2*sizeof(wchar16_t);
}
} else if ((recwch >= 0xD800) && (recwch < 0xDC00)) {
*wch = recwch;
return 0;
} else {
src[0] = recwch;
nbytes = sizeof(wchar16_t);
}
params.src = src;
params.src_size_in_bytes = nbytes;
params.dst = ch;
params.dst_size_in_bytes = 4;
ntapi->uc_convert_unicode_stream_utf16_to_utf8(
¶ms);
return params.bytes_written;
}
static size_t ptyc_translate_mouse_event(
nt_input_record * rec,
unsigned char * ch)
{
(void)rec;
(void)ch;
return 0;
}
static size_t ptyc_translate_window_event(nt_input_record * rec)
{
(void)rec;
return 0;
}
static size_t ptyc_translate_menu_event(nt_input_record * rec)
{
(void)rec;
return 0;
}
static size_t ptyc_translate_focus_event(nt_input_record * rec)
{
(void)rec;
return 0;
}
static size_t ptyc_translate_event(
nt_input_record * rec,
unsigned char * ch,
wchar16_t * wch)
{
switch (rec->event_type) {
case NT_KEY_EVENT:
return ptyc_translate_keyboard_event(
rec,ch,wch);
case NT_MOUSE_EVENT:
return ptyc_translate_mouse_event(
rec,ch);
case NT_WINDOW_BUFFER_SIZE_EVENT:
return ptyc_translate_window_event(rec);
case NT_MENU_EVENT:
return ptyc_translate_menu_event(rec);
case NT_FOCUS_EVENT:
return ptyc_translate_focus_event(rec);
}
return 0;
}
int __stdcall ptyc_console_reader(struct ptyc_driver_ctx_impl * ictx)
{
int32_t status;
void * hwait;
nt_iosb iosb;
uint32_t nevents;
size_t nbytes;
wchar16_t wch;
unsigned char * ch;
unsigned i;
if ((status = ntapi->tt_create_private_event(
&hwait,
NT_NOTIFICATION_EVENT,
NT_EVENT_NOT_SIGNALED)))
return status;
do {
if (!(ntcon->read_console_input_utf16(
ictx->tctx.hin,
ictx->tctx.input.events,
PTYC_RAW_EVENTS,
&nevents)))
return NT_STATUS_ALREADY_DISCONNECTED;
for (ch=ictx->tctx.input.stream, i=0; i<nevents; i++)
ch += ptyc_translate_event(
&ictx->tctx.input.events[i],
ch,&wch);
nbytes = ch - ictx->tctx.input.stream;
ch = ictx->tctx.input.stream;
for (; nbytes; ) {
status = ntapi->pty_write(
ictx->cctx.hptm,
hwait,0,0,
&iosb,
ch,nbytes,
0,0);
if (status == NT_STATUS_PENDING)
status = ntapi->zw_wait_for_single_object(
hwait,NT_SYNC_ALERTABLE,0);
if (status || iosb.status) {
ntapi->zw_close(hwait);
return status ? status : iosb.status;
}
ch += iosb.info;
nbytes -= iosb.info;
}
} while (1);
return NT_STATUS_INTERNAL_ERROR;
}
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