teraterm/ttpcmn/ttcmn.c

/*
 * Copyright (C) 1994-1998 T. Teranishi
 * (C) 2004- TeraTerm Project
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 THE AUTHORS 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.
 */

/* TTCMN.DLL, main */
#include <direct.h>
#include <string.h>
#include <stdio.h>
#include <windows.h>
#include <setupapi.h>
#include <htmlhelp.h>
#include <assert.h>
#include <crtdbg.h>

#define DllExport __declspec(dllexport)
#include "language.h"
#undef DllExport

#include "teraterm.h"
#include "tttypes.h"
#include "ttlib.h"
#include "tt_res.h"
#include "codeconv.h"
#include "compat_win.h"
#include "asprintf.h"

#define DllExport __declspec(dllexport)
#include "ttcommon.h"

/* shared memory */
typedef struct {
        size_t size_tmap;               /* sizeof TMap */
        size_t size_tttset;             /* sizeof TTTSet */
        /* Setup information from "teraterm.ini" */
        TTTSet ts;
        // Window list
        int NWin;
        HWND WinList[MAXNWIN];
        /* COM port use flag
         *           bit 8  7  6  5  4  3  2  1
         * char[0] : COM 8  7  6  5  4  3  2  1
         * char[1] : COM16 15 14 13 12 11 10  9 ...
         */
        unsigned char ComFlag[(MAXCOMPORT-1)/CHAR_BIT+1];
        /* Previous window rect (Tera Term 4.78 or later) */
        WINDOWPLACEMENT WinPrevRect[MAXNWIN];
        BOOL WinUndoFlag;
        int WinUndoStyle;
} TMap;
typedef TMap *PMap;

// TMap ���i�[�����t�@�C���}�b�s���O�I�u�W�F�N�g(���L������)�����O
// TMap(�����������o)���X�V�������o�[�W�������������N���������������K�v��������
// �A�������o�[�W�����������g�����������X�������A���������������X�����K�v������
#define TT_FILEMAPNAME "ttset_memfilemap_" TT_VERSION_STR("_")

/* first instance flag */
static BOOL FirstInstance = TRUE;

static HINSTANCE hInst;

static PMap pm;

static HANDLE HMap = NULL;
#define VTCLASSNAME "VTWin32"
#define TEKCLASSNAME "TEKWin32"

enum window_style {
        WIN_CASCADE,
        WIN_STACKED,
        WIN_SIDEBYSIDE,
};


void WINAPI CopyShmemToTTSet(PTTSet ts)
{
        // ���������������L�����������R�s�[����
        memcpy(ts, &pm->ts, sizeof(TTTSet));
}

void WINAPI CopyTTSetToShmem(PTTSet ts)
{
        // ���������������L���������R�s�[����
        memcpy(&pm->ts, ts, sizeof(TTTSet));
}

static wchar_t* GetLogDirW()
{
        wchar_t *local_app_data;
        wchar_t *log;
        _SHGetKnownFolderPath(&FOLDERID_LocalAppData, 0, NULL, &local_app_data);
        aswprintf(&log, L"%s\\%s", local_app_data, L"teraterm5");
        free(local_app_data);
        CreateDirectoryW(log, NULL);
        return log;
}

BOOL WINAPI StartTeraTerm(PTTSet ts)
{
        if (FirstInstance) {
                // init window list
                pm->NWin = 0;
        }
        else {
                /* only the first instance uses saved position */
                pm->ts.VTPos.x = CW_USEDEFAULT;
                pm->ts.VTPos.y = CW_USEDEFAULT;
                pm->ts.TEKPos.x = CW_USEDEFAULT;
                pm->ts.TEKPos.y = CW_USEDEFAULT;
        }

        memcpy(ts,&(pm->ts),sizeof(TTTSet));

        // if (FirstInstance) { �������������� (2008.3.13 maya)
        // �N���������A���L�������� HomeDir �� SetupFName ����������
        /* Get home directory (ttermpro.exe���t�H���_) */
        ts->ExeDirW = GetHomeDirW(hInst);
        ts->LogDirW = GetLogDirW();
        ts->HomeDirW = GetHomeDirW(hInst);
        WideCharToACP_t(ts->HomeDirW, ts->HomeDir, _countof(ts->HomeDir));
        SetCurrentDirectoryW(ts->HomeDirW);

        ts->SetupFNameW = GetDefaultSetupFNameW(ts->HomeDirW);
        WideCharToACP_t(ts->SetupFNameW, ts->SetupFName, _countof(ts->SetupFName));

        ts->KeyCnfFNW = GetDefaultFNameW(ts->HomeDirW, L"KEYBOARD.CNF");
        WideCharToACP_t(ts->KeyCnfFNW, ts->KeyCnfFN, _countof(ts->KeyCnfFN));

        if (FirstInstance) {
                FirstInstance = FALSE;
                return TRUE;
        }
        else {
                return FALSE;
        }
}

// �����t�@�C�����f�B�X�N���������ATera Term�{�������N�������B
// (2012.4.30 yutaka)
void WINAPI RestartTeraTerm(HWND hwnd, PTTSet ts)
{
        char path[1024];
        STARTUPINFO si;
        PROCESS_INFORMATION pi;
        int ret;

        static const TTMessageBoxInfoW info = {
                "Tera Term",
                NULL, L"Tera Term: Configuration Warning",
                "MSG_TT_TAKE_EFFECT",
                L"This option takes effect the next time a session is started.\n"
                L"Are you sure that you want to relaunch Tera Term?",
                MB_YESNO | MB_ICONEXCLAMATION | MB_DEFBUTTON2
        };
        ret = TTMessageBoxA(hwnd, &info, ts->UILanguageFile);
        if (ret != IDYES)
                return;

        SendMessage(hwnd, WM_COMMAND, ID_SETUP_SAVE, 0);
        // ID_FILE_EXIT ���b�Z�[�W�����A�v�������������������������AWM_QUIT ���|�X�g�����B
        //PostMessage(hwnd, WM_COMMAND, ID_FILE_EXIT, 0);
        PostQuitMessage(0);

        // ���v���Z�X�����N���B
        if (GetModuleFileName(NULL, path, sizeof(path)) == 0) {
                return;
        }
        memset(&si, 0, sizeof(si));
        GetStartupInfo(&si);
        memset(&pi, 0, sizeof(pi));
        if (CreateProcess(NULL, path, NULL, NULL, FALSE, 0,
                          NULL, NULL, &si, &pi) == 0) {
        }
}

void WINAPI SetCOMFlag(int Com)
{
        pm->ComFlag[(Com-1)/CHAR_BIT] |= 1 << ((Com-1)%CHAR_BIT);
}

void WINAPI ClearCOMFlag(int Com)
{
        pm->ComFlag[(Com-1)/CHAR_BIT] &= ~(1 << ((Com-1)%CHAR_BIT));
}

int WINAPI CheckCOMFlag(int Com)
{
        return ((pm->ComFlag[(Com-1)/CHAR_BIT] & 1 << (Com-1)%CHAR_BIT) > 0);
}

int WINAPI RegWin(HWND HWinVT, HWND HWinTEK)
{
        int i, j;

        if (pm->NWin>=MAXNWIN)
                return 0;
        if (HWinVT==NULL)
                return 0;
        if (HWinTEK!=NULL) {
                i = 0;
                while ((i<pm->NWin) && (pm->WinList[i]!=HWinVT))
                        i++;
                if (i>=pm->NWin)
                        return 0;
                for (j=pm->NWin-1 ; j>i ; j--)
                        pm->WinList[j+1] = pm->WinList[j];
                pm->WinList[i+1] = HWinTEK;
                pm->NWin++;
                return 0;
        }
        pm->WinList[pm->NWin++] = HWinVT;
        memset(&pm->WinPrevRect[pm->NWin - 1], 0, sizeof(pm->WinPrevRect[pm->NWin - 1])); // RECT clear
        if (pm->NWin==1) {
                return 1;
        }
        else {
                return (int)(SendMessage(pm->WinList[pm->NWin-2],
                                         WM_USER_GETSERIALNO,0,0)+1);
        }
}

void WINAPI UnregWin(HWND HWin)
{
        int i, j;

        i = 0;
        while ((i<pm->NWin) && (pm->WinList[i]!=HWin)) {
                i++;
        }
        if (pm->WinList[i]!=HWin) {
                return;
        }
        for (j=i ; j<pm->NWin-1 ; j++) {
                pm->WinList[j] = pm->WinList[j+1];
                pm->WinPrevRect[j] = pm->WinPrevRect[j+1];  // RECT shift
        }
        if (pm->NWin>0) {
                pm->NWin--;
        }
}

char GetWindowTypeChar(HWND Hw, HWND HWin)
{
#if 0
        if (HWin == Hw)
                return '*';
        else if (!IsWindowVisible(Hw))
#else
        if (!IsWindowVisible(Hw))
#endif
                return '#';
        else if (IsIconic(Hw))
                return '-';
        else if (IsZoomed(Hw))
                return '@';
        else
                return '+';
}

void WINAPI SetWinMenu(HMENU menu, PCHAR buf, int buflen, PCHAR langFile, int VTFlag)
{
        int i;
        char Temp[MAXPATHLEN];
        HWND Hw;
        wchar_t uimsg[MAX_UIMSG];

        // delete all items in Window menu
        i = GetMenuItemCount(menu);
        if (i>0)
                do {
                        i--;
                        RemoveMenu(menu,i,MF_BYPOSITION);
                } while (i>0);

        i = 0;
        while (i<pm->NWin) {
                Hw = pm->WinList[i]; // get window handle
                if ((GetClassName(Hw,Temp,sizeof(Temp))>0) &&
                    ((strcmp(Temp,VTCLASSNAME)==0) ||
                     (strcmp(Temp,TEKCLASSNAME)==0))) {
                        Temp[0] = '&';
                        Temp[1] = (char)(0x31 + i);
                        Temp[2] = ' ';
                        Temp[3] = GetWindowTypeChar(Hw, NULL);
                        Temp[4] = ' ';
                        GetWindowText(Hw,&Temp[5],sizeof(Temp)-6);
                        AppendMenu(menu,MF_ENABLED | MF_STRING,ID_WINDOW_1+i,Temp);
                        i++;
                        if (i>8) {
                                i = pm->NWin;
                        }
                }
                else {
                        UnregWin(Hw);
                }
        }
        if (VTFlag == 1) {
                static const DlgTextInfo MenuTextInfo[] = {
                        { ID_WINDOW_WINDOW, "MENU_WINDOW_WINDOW" },
                        { ID_WINDOW_MINIMIZEALL, "MENU_WINDOW_MINIMIZEALL" },
                        { ID_WINDOW_RESTOREALL, "MENU_WINDOW_RESTOREALL" },
                        { ID_WINDOW_CASCADEALL, "MENU_WINDOW_CASCADE" },
                        { ID_WINDOW_STACKED, "MENU_WINDOW_STACKED" },
                        { ID_WINDOW_SIDEBYSIDE, "MENU_WINDOW_SIDEBYSIDE" },
                };

                AppendMenu(menu, MF_SEPARATOR, 0, NULL);
                AppendMenu(menu, MF_ENABLED | MF_STRING, ID_WINDOW_WINDOW, "&Window");
                AppendMenu(menu, MF_ENABLED | MF_STRING, ID_WINDOW_MINIMIZEALL, "&Minimize All");
                AppendMenu(menu, MF_ENABLED | MF_STRING, ID_WINDOW_RESTOREALL, "&Restore All");
                AppendMenu(menu, MF_ENABLED | MF_STRING, ID_WINDOW_CASCADEALL, "&Cascade");
                AppendMenu(menu, MF_ENABLED | MF_STRING, ID_WINDOW_STACKED, "&Stacked");
                AppendMenu(menu, MF_ENABLED | MF_STRING, ID_WINDOW_SIDEBYSIDE, "Side &by Side");

                SetI18nMenuStrs("Tera Term", menu, MenuTextInfo, _countof(MenuTextInfo), langFile);

                if (pm->WinUndoFlag) {
                        if (pm->WinUndoStyle == WIN_CASCADE)
                                get_lang_msgW("MENU_WINDOW_CASCADE_UNDO", uimsg, _countof(uimsg), L"&Undo - Cascade", langFile);
                        else if (pm->WinUndoStyle == WIN_STACKED)
                                get_lang_msgW("MENU_WINDOW_STACKED_UNDO", uimsg, _countof(uimsg), L"&Undo - Stacked", langFile);
                        else
                                get_lang_msgW("MENU_WINDOW_SIDEBYSIDE_UNDO", uimsg, _countof(uimsg), L"&Undo - Side by Side", langFile);
                        AppendMenuW(menu, MF_ENABLED | MF_STRING, ID_WINDOW_UNDO, uimsg);               // TODO UNICODE
                }

        }
        else {
                get_lang_msgW("MENU_WINDOW_WINDOW", uimsg, _countof(uimsg), L"&Window", langFile);
                AppendMenuW(menu,MF_ENABLED | MF_STRING,ID_TEKWINDOW_WINDOW, uimsg);
        }
}

void WINAPI SetWinList(HWND HWin, HWND HDlg, int IList)
{
        int i;
        char Temp[MAXPATHLEN];
        HWND Hw;

        for (i=0; i<pm->NWin; i++) {
                Hw = pm->WinList[i]; // get window handle
                if ((GetClassName(Hw,Temp,sizeof(Temp))>0) &&
                    ((strcmp(Temp,VTCLASSNAME)==0) ||
                     (strcmp(Temp,TEKCLASSNAME)==0))) {
                        Temp[0] = GetWindowTypeChar(Hw, HWin);
                        Temp[1] = ' ';
                        GetWindowText(Hw,&Temp[2],sizeof(Temp)-3);
                        SendDlgItemMessage(HDlg, IList, LB_ADDSTRING,
                                           0, (LPARAM)Temp);
                        if (Hw==HWin) {
                                SendDlgItemMessage(HDlg, IList, LB_SETCURSEL, i,0);
                        }
                }
                else {
                        UnregWin(Hw);
                }
        }
}

void WINAPI SelectWin(int WinId)
{
        if ((WinId>=0) && (WinId<pm->NWin)) {
                /* �E�B���h�E�����������������������������������A���������������������������A
                 * SW_SHOWNORMAL ���� SW_SHOW �����X�����B
                 * (2009.11.8 yutaka)
                 * �E�B���h�E�����������������������������T�C�Y������(SW_RESTORE)�����������B
                 * (2009.11.9 maya)
                 */
                if (IsIconic(pm->WinList[WinId])) {
                        ShowWindow(pm->WinList[WinId],SW_RESTORE);
                }
                else {
                        ShowWindow(pm->WinList[WinId],SW_SHOW);
                }
                SetForegroundWindow(pm->WinList[WinId]);
        }
}

void WINAPI SelectNextWin(HWND HWin, int Next, BOOL SkipIconic)
{
        int i;

        i = 0;
        while ((i < pm->NWin) && (pm->WinList[i]!=HWin)) {
                i++;
        }
        if (pm->WinList[i]!=HWin) {
                return;
        }

        do {
                i += Next;
                if (i >= pm->NWin) {
                        i = 0;
                }
                else if (i < 0) {
                        i = pm->NWin-1;
                }

                if (pm->WinList[i] == HWin) {
                        break;
                }
        } while ((SkipIconic && IsIconic(pm->WinList[i])) || !IsWindowVisible(pm->WinList[i]));

        SelectWin(i);
}

void WINAPI ShowAllWin(int stat) {
        int i;

        for (i=0; i < pm->NWin; i++) {
                ShowWindow(pm->WinList[i], stat);
        }
}

void WINAPI UndoAllWin(void) {
        int i;
        WINDOWPLACEMENT rc0;
        RECT rc;
        int stat = SW_RESTORE;
        int multi_mon = 0;

        if (HasMultiMonitorSupport()) {
                multi_mon = 1;
        }

        // ���x�A�����������t���O���������B
        pm->WinUndoFlag = FALSE;

        memset(&rc0, 0, sizeof(rc0));

        for (i=0; i < pm->NWin; i++) {
                // �����w�����A�O�����������c���������������A�E�B���h�E�����������������B
                if (stat == SW_RESTORE && memcmp(&pm->WinPrevRect[i], &rc0, sizeof(rc0)) != 0) {
                        rc = pm->WinPrevRect[i].rcNormalPosition;

                        // NT4.0, 95 ���}���`���j�^API��������
                        if (multi_mon) {
                                // �������j�^������������
                                HMONITOR hMonitor;
                                MONITORINFO mi;
                                hMonitor = pMonitorFromRect(&rc, MONITOR_DEFAULTTONEAREST);
                                mi.cbSize = sizeof(MONITORINFO);
                                pGetMonitorInfoA(hMonitor, &mi);

                                // ���u�����i�����O���������x���������������������������j
                                if (rc.right > mi.rcMonitor.right) {
                                        rc.left -= rc.right - mi.rcMonitor.right;
                                        rc.right = mi.rcMonitor.right;
                                }
                                if (rc.left < mi.rcMonitor.left) {
                                        rc.right += mi.rcMonitor.left - rc.left;
                                        rc.left = mi.rcMonitor.left;
                                }
                                if (rc.bottom > mi.rcMonitor.bottom) {
                                        rc.top -= rc.bottom - mi.rcMonitor.bottom;
                                        rc.bottom = mi.rcMonitor.bottom;
                                }
                                if (rc.top < mi.rcMonitor.top) {
                                        rc.bottom += mi.rcMonitor.top - rc.top;
                                        rc.top = mi.rcMonitor.top;
                                }
                        }

                        // �E�B���h�E���u����
                        SetWindowPos(
                                pm->WinList[i], NULL,
                                rc.left,
                                rc.top,
                                rc.right - rc.left,
                                rc.bottom - rc.top,
                                SWP_NOZORDER);

                        // �E�B���h�E����������
                        ShowWindow(pm->WinList[i], pm->WinPrevRect[i].showCmd);

                } else {
                        ShowWindow(pm->WinList[i], stat);
                }
        }
}

void WINAPI OpenHelp(UINT Command, DWORD Data, char *UILanguageFile)
{
        wchar_t Temp[MAX_PATH];
        HWND HWin;
        wchar_t *HelpFN;
        wchar_t uimsg[MAX_UIMSG];
        wchar_t *HomeDirW;

        /* Get home directory  TODO ts.HomeDirW ���������� */
        if (GetModuleFileNameW(NULL,Temp,_countof(Temp)) == 0) {
                return;
        }
        HomeDirW = ExtractDirNameW(Temp);
        get_lang_msgW("HELPFILE", uimsg, _countof(uimsg), L"teraterm.chm", UILanguageFile);
        aswprintf(&HelpFN, L"%s\\%s", HomeDirW, uimsg);
        free(HomeDirW);

        // �w���v���I�[�i�[�������f�X�N�g�b�v������ (2007.5.12 maya)
        HWin = GetDesktopWindow();
        if (_HtmlHelpW(HWin, HelpFN, Command, Data) == NULL) {
                // �w���v���J����������
                static const TTMessageBoxInfoW info = {
                        "Tera Term",
                        NULL, L"Tera Term: HTML help",
                        "MSG_OPENHELP_ERROR", L"Can't open HTML help file(%s).",
                        MB_OK | MB_ICONERROR };
                TTMessageBoxA(HWin, &info, UILanguageFile, HelpFN);
        }
        free(HelpFN);
}

HWND WINAPI GetNthWin(int n)
{
        if (n<pm->NWin) {
                return pm->WinList[n];
        }
        else {
                return NULL;
        }
}

int WINAPI GetRegisteredWindowCount(void)
{
        return (pm->NWin);
}

// �L�����E�B���h�E���T���A�������u���L�������������B
static void get_valid_window_and_memorize_rect(HWND myhwnd, HWND hwnd[], int *num, int style)
{
        int i, n;
        WINDOWPLACEMENT wndPlace;

        // ��������(Undo)���j���[�����x�����\���������B
        if (pm->WinUndoFlag == FALSE) {
                pm->WinUndoFlag = TRUE;
        } else {
                // ���������j���[���\�������������A�������O�������X�^�C�����I�����������A
                // ���j���[�������B
                // Windows8�����A�������A�����������X�^�C�����I�����������j���[�����������������A
                // Tera Term�������j���[���\�������������A�������������B
                if (pm->WinUndoStyle == style)
                        pm->WinUndoFlag = FALSE;
        }
        pm->WinUndoStyle = style;

        n = 0;
        for (i = 0 ; i < pm->NWin ; i++) {
                // �������u���o���������B
                wndPlace.length = sizeof(WINDOWPLACEMENT);
                GetWindowPlacement(pm->WinList[i], &wndPlace);
                pm->WinPrevRect[i] = wndPlace;

                // �������g�������������B
                if (pm->WinList[i] == myhwnd) {
                        hwnd[n] = hwnd[0];
                        hwnd[0] = myhwnd;
                } else {
                        hwnd[n] = pm->WinList[i];
                }
                n++;
        }
        *num = n;
}

// �E�B���h�E�����E���������\������(Show Windows Side by Side)
void WINAPI ShowAllWinSidebySide(HWND myhwnd)
{
        int n;
        HWND hwnd[MAXNWIN];

        get_valid_window_and_memorize_rect(myhwnd, hwnd, &n, WIN_SIDEBYSIDE);
        TileWindows(NULL, MDITILE_VERTICAL, NULL, n, hwnd);
}

// �E�B���h�E���������������\������(Show Windows Stacked)
void WINAPI ShowAllWinStacked(HWND myhwnd)
{
        int n;
        HWND hwnd[MAXNWIN];

        get_valid_window_and_memorize_rect(myhwnd, hwnd, &n, WIN_STACKED);
        TileWindows(NULL, MDITILE_HORIZONTAL, NULL, n, hwnd);
}

// �E�B���h�E���d�����\������(Cascade)
void WINAPI ShowAllWinCascade(HWND myhwnd)
{
        int n;
        HWND hwnd[MAXNWIN];

        get_valid_window_and_memorize_rect(myhwnd, hwnd, &n, WIN_CASCADE);
        CascadeWindows(NULL, MDITILE_SKIPDISABLED, NULL, n, hwnd);
}

// �STera Term���I���w�����o���B
void WINAPI BroadcastClosingMessage(HWND myhwnd)
{
        int i, max;
        HWND hwnd[MAXNWIN];

        // Tera Term���I�����������A���L���������������������A
        // ���������o�b�t�@���R�s�[���������B
        max = pm->NWin;
        for (i = 0 ; i < pm->NWin ; i++) {
                hwnd[i] = pm->WinList[i];
        }

        for (i = 0 ; i < max ; i++) {
                // �������g�������������B
                if (hwnd[i] == myhwnd)
                        continue;

                PostMessage(hwnd[i], WM_USER_NONCONFIRM_CLOSE, 0, 0);
        }
        PostMessage(myhwnd, WM_USER_NONCONFIRM_CLOSE, 0, 0);
}


int WINAPI CommReadRawByte(PComVar cv, LPBYTE b)
{
        if ( ! cv->Ready ) {
                return 0;
        }

        if ( cv->InBuffCount>0 ) {
                *b = cv->InBuff[cv->InPtr];
                cv->InPtr++;
                cv->InBuffCount--;
                if ( cv->InBuffCount==0 ) {
                        cv->InPtr = 0;
                }
                return 1;
        }
        else {
                cv->InPtr = 0;
                return 0;
        }
}

static void LogBinSkip(PComVar cv, int add)
{
        if (cv->LogBinSkip != NULL) {
                cv->LogBinSkip(add);
        }
}

void WINAPI CommInsert1Byte(PComVar cv, BYTE b)
{
        if ( ! cv->Ready ) {
                return;
        }

        if (cv->InPtr == 0) {
                memmove(&(cv->InBuff[1]),&(cv->InBuff[0]),cv->InBuffCount);
        }
        else {
                cv->InPtr--;
        }
        cv->InBuff[cv->InPtr] = b;
        cv->InBuffCount++;

        LogBinSkip(cv, 1);
}

static void Log1Bin(PComVar cv, BYTE b)
{
        if (cv->Log1Bin != NULL) {
                cv->Log1Bin(b);
        }
}

int WINAPI CommRead1Byte(PComVar cv, LPBYTE b)
{
        int c;

        if ( ! cv->Ready ) {
                return 0;
        }

        if ( cv->TelMode ) {
                c = 0;
        }
        else {
                c = CommReadRawByte(cv,b);
        }

        if ((c==1) && cv->TelCRFlag) {
                cv->TelCRFlag = FALSE;
                if (*b==0) {
                        c = 0;
                }
        }

        if ( c==1 ) {
                if ( cv->IACFlag ) {
                        cv->IACFlag = FALSE;
                        if ( *b != 0xFF ) {
                                cv->TelMode = TRUE;
                                CommInsert1Byte(cv,*b);
                                LogBinSkip(cv, -1);
                                c = 0;
                        }
                }
                else if ((cv->PortType==IdTCPIP) && (*b==0xFF)) {
                        if (!cv->TelFlag && cv->TelAutoDetect) { /* TTPLUG */
                                cv->TelFlag = TRUE;
                        }
                        if (cv->TelFlag) {
                                cv->IACFlag = TRUE;
                                c = 0;
                        }
                }
                else if (cv->TelFlag && ! cv->TelBinRecv && (*b==0x0D)) {
                        cv->TelCRFlag = TRUE;
                }
        }

        if (c == 1) {
                Log1Bin(cv, *b);
        }

        return c;
}

int WINAPI CommRawOut(PComVar cv, /*const*/ PCHAR B, int C)
{
        int a;

        if ( ! cv->Ready ) {
                return C;
        }

        if (C > OutBuffSize - cv->OutBuffCount) {
                a = OutBuffSize - cv->OutBuffCount;
        }
        else {
                a = C;
        }
        if ( cv->OutPtr > 0 ) {
                memmove(&(cv->OutBuff[0]),&(cv->OutBuff[cv->OutPtr]),cv->OutBuffCount);
                cv->OutPtr = 0;
        }
        memcpy(&(cv->OutBuff[cv->OutBuffCount]),B,a);
        cv->OutBuffCount = cv->OutBuffCount + a;
        return a;
}

int WINAPI CommBinaryOut(PComVar cv, PCHAR B, int C)
{
        int a, i, Len;
        char d[3];

        if ( ! cv->Ready ) {
                return C;
        }

        i = 0;
        a = 1;
        while ((a>0) && (i<C)) {
                Len = 0;

                d[Len] = B[i];
                Len++;

                if ( cv->TelFlag && (B[i]=='\x0d') && ! cv->TelBinSend ) {
                        d[Len++] = '\x00';
                }
                else if ( cv->TelFlag && (B[i]=='\xff') ) {
                        d[Len++] = '\xff';
                }

                if ( OutBuffSize - cv->OutBuffCount - Len >= 0 ) {
                        CommRawOut(cv, d, Len);
                        a = 1;
                }
                else {
                        a = 0;
                }

                i += a;
        }
        return i;
}

/**
 *      �f�[�^(������)���o���o�b�t�@����������
 *
 *      �w���f�[�^��������������������������������������
 *      CommRawOut() ��������������������������
 *
 *      @retval TRUE    �o��������
 *      @retval FALSE   �o��������������(buffer full)
 */
static BOOL WriteOutBuff(PComVar cv, const char *TempStr, int TempLen)
{
        BOOL output;

        if (TempLen == 0) {
                // ����0������������������������
                return TRUE;
        }

        output = FALSE;
        if (cv->TelLineMode) {
                const BOOL Full = OutBuffSize - cv->LineModeBuffCount - TempLen < 0;
                if (!Full) {
                        output = TRUE;
                        memcpy(&(cv->LineModeBuff[cv->LineModeBuffCount]), TempStr, TempLen);
                        cv->LineModeBuffCount += TempLen;
                        if (cv->Flush) {
                                cv->FlushLen = cv->LineModeBuffCount;
                        }
                }
                if (cv->FlushLen > 0) {
                        const int OutLen = CommRawOut(cv, cv->LineModeBuff, cv->FlushLen);
                        cv->FlushLen -= OutLen;
                        cv->LineModeBuffCount -= OutLen;
                        memmove(cv->LineModeBuff, &(cv->LineModeBuff[OutLen]), cv->LineModeBuffCount);
                }
                cv->Flush = FALSE;
        }
        else {
                const BOOL Full = OutBuffSize-cv->OutBuffCount-TempLen < 0;
                if (! Full) {
                        output = TRUE;
                        CommRawOut(cv, (char *)TempStr, TempLen);
                }
        }
        return output;
}

/**
 *      �f�[�^(������)�������o�b�t�@����������
 *      �����o�b�t�@�������� -> �G�R�[������
 *
 *      @retval TRUE    �o��������
 *      @retval FALSE   �o��������������(buffer full)
 */
static BOOL WriteInBuff(PComVar cv, const char *TempStr, int TempLen)
{
        BOOL Full;

        if (TempLen == 0) {
                return TRUE;
        }

        Full = InBuffSize-cv->InBuffCount-TempLen < 0;
        if (! Full) {
                memcpy(&(cv->InBuff[cv->InBuffCount]),TempStr,TempLen);
                cv->InBuffCount = cv->InBuffCount + TempLen;
                return TRUE;
        }
        return FALSE;
}

/**
 *      �����o�b�t�@�����������������������l����
 */
static void PackInBuff(PComVar cv)
{
        if ( (cv->InPtr>0) && (cv->InBuffCount>0) ) {
                memmove(cv->InBuff,&(cv->InBuff[cv->InPtr]),cv->InBuffCount);
                cv->InPtr = 0;
        }
}

int WINAPI CommBinaryBuffOut(PComVar cv, PCHAR B, int C)
{
        int a, i, Len;
        char d[3];

        if ( ! cv->Ready ) {
                return C;
        }

        i = 0;
        a = 1;
        while ((a>0) && (i<C)) {
                Len = 0;

                d[Len] = B[i];
                Len++;

                if (B[i] == CR) {
                        if ( cv->TelFlag && ! cv->TelBinSend ) {
                                d[Len++] = '\x00';
                        }
                        if (cv->TelLineMode) {
                                cv->Flush = TRUE;
                        }
                }
                else if ( cv->TelFlag && (B[i]=='\xff') ) {
                        d[Len++] = '\xff';
                }

                if (WriteOutBuff(cv, d, Len)) {
                        a = 1;
                        i++;
                } else {
                        a = 0;
                }
        }
        return i;
}

/**
 *      @retval true    ���{�������p�J�^�J�i
 *      @retval false   ������
 */
static BOOL IsHalfWidthKatakana(unsigned int u32)
{
        // Halfwidth CJK punctuation (U+FF61�`FF64)
        // Halfwidth Katakana variants (U+FF65�`FF9F)
        return (0xff61 <= u32 && u32 <= 0xff9f);
}

/**
 *      �o���p�A TODO echo�p������
 *      @param  cv
 *      @param  u32                     ��������
 *      @param  check_only      TRUE���������s�����A
 *      @param  TempStr         �o��������
 *      @param  StrLen          TempStr�����o��������
 *      @retval �������s����
 */
static BOOL OutControl(PComVar cv, unsigned int u32, BOOL check_only, char *TempStr, size_t *StrLen)
{
        const wchar_t d = u32;
        size_t TempLen = 0;
        BOOL retval = FALSE;
        if (check_only == TRUE) {
                /* �`�F�b�N���� */
                if (d == CR || d == BS || d == 0x15/*ctrl-u*/) {
                        return TRUE;
                } else {
                        return FALSE;
                }
        }
        if (d==CR) {
                TempStr[TempLen++] = 0x0d;
                if (cv->CRSend==IdCRLF) {
                        TempStr[TempLen++] = 0x0a;
                }
                else if ((cv->CRSend ==IdCR) &&
                                 cv->TelFlag && ! cv->TelBinSend) {
                        TempStr[TempLen++] = 0;
                }
                else if (cv->CRSend == IdLF) {
                        TempStr[TempLen-1] = 0x0a;
                }
                if (cv->TelLineMode) {
                        cv->Flush = TRUE;
                }
                retval = TRUE;
        }
        else if (d== BS) {
                if (cv->TelLineMode) {
                        if (cv->FlushLen < cv->LineModeBuffCount) {
                                cv->LineModeBuffCount--;
                        }
                }
                else {
                        TempStr[TempLen++] = BS;
                }
                retval = TRUE;
        }
        else if (d==0x15) { // ctrl-u
                if (cv->TelLineMode) {
                        cv->LineModeBuffCount = cv->FlushLen;
                }
                else {
                        TempStr[TempLen++] = 0x15;
                }
                retval = TRUE;
        }
        *StrLen = TempLen;
        return retval;
}
static BOOL ControlEcho(PComVar cv, unsigned int u32, BOOL check_only, char *TempStr, size_t *StrLen)
{
        const wchar_t d = u32;
        size_t TempLen = 0;
        BOOL retval = FALSE;
        if (check_only == TRUE) {
                /* �`�F�b�N���� */
                if (d == CR || (d == 0x15/*ctrl-u*/ && cv->TelLineMode)) {
                        return TRUE;
                } else {
                        return FALSE;
                }
        }
        if (d==CR) {
                TempStr[TempLen++] = 0x0d;
                if (cv->CRSend==IdCRLF) {
                        TempStr[TempLen++] = 0x0a;
                }
                else if ((cv->CRSend ==IdCR) && cv->TelFlag && ! cv->TelBinSend) {
                        TempStr[TempLen++] = 0;
                }
                else if (cv->CRSend == IdLF) {
                        TempStr[TempLen-1] = 0x0a;
                }
                retval = TRUE;
        }
        else if (d==0x15/*ctrl-u*/ && cv->TelLineMode) {
                // Move to top of line (CHA "\033[G") and erase line (EL "\033[K")
                memcpy(TempStr, "\033[G\033[K", 6);
                TempLen += 6;
                retval = TRUE;
        }
        *StrLen = TempLen;
        return retval;
}

/**
 * �o���p����������������
 *
 *      @retval ��������������
 */
typedef struct {
        int KanjiCode;          // [in]�o�������R�[�h(sjis,jis����)
        BOOL (*ControlOut)(PComVar cv, unsigned int u32, BOOL check_only, char *TempStr, size_t *StrLen);
        // state�����������K�v�����������R�[�h���g�p
        BOOL JIS7Katakana;      // [in](Kanji JIS)kana
        int SendCode;           // [in,out](Kanji JIS)���O�����M�R�[�h Ascii/Kana/Kanji
        BOOL KanjiFlag;         // [in,out](MBCS)���O��1byte��������������?(2byte������������?)
        BYTE KanjiFirst;        // [in,out](MBCS)���O��1byte
} OutputCharState;

/**
 *      unicode(UTF-16)����unicode(UTF-32)��1���������o����
 *      �o���f�[�^(TempStr)����������
 */
static size_t MakeOutputString(PComVar cv, OutputCharState *states,
                                                           const wchar_t *B, int C,
                                                           char *TempStr, int *TempLen_)
{
        BOOL (*ControlOut)(PComVar cv, unsigned int u32, BOOL check_only, char *TempStr, size_t *StrLen)
                = states->ControlOut;
//
        int TempLen = 0;
        size_t TempLen2;
        size_t output_char_count;       // ��������������

        // UTF-32 ��1���������o��
        unsigned int u32;
        size_t u16_len = UTF16ToUTF32(B, C, &u32);
        if (u16_len == 0) {
                // �f�R�[�h��������? ����������������?
                assert(FALSE);
                u32 = '?';
                u16_len = 1;
        }
        output_char_count = u16_len;

        // �e���V�t�g����������������
        if (u32 < 0x100 || ControlOut(cv, u32, TRUE, NULL, NULL)) {
                if (cv->Language == IdJapanese && states->KanjiCode == IdJIS) {
                        // �����������A���{��,JIS��������
                        if (cv->SendCode == IdKanji) {
                                // �����������������A����OUT
                                TempStr[TempLen++] = 0x1B;
                                TempStr[TempLen++] = '(';
                                switch (cv->KanjiOut) {
                                case IdKanjiOutJ:
                                        TempStr[TempLen++] = 'J';
                                        break;
                                case IdKanjiOutH:
                                        TempStr[TempLen++] = 'H';
                                        break;
                                default:
                                        TempStr[TempLen++] = 'B';
                                }
                        }

                        if (states->JIS7Katakana == 1) {
                                if (cv->SendCode == IdKatakana) {
                                        TempStr[TempLen++] = SO;
                                }
                        }

                        states->SendCode = IdASCII;
                }
        }

        // 1������������
        if (ControlOut(cv, u32, FALSE, TempStr, &TempLen2)) {
                // ��������������������
                TempLen += TempLen2;
                output_char_count = 1;
        } else if (cv->Language == IdUtf8 ||
                           (cv->Language == IdJapanese && states->KanjiCode == IdUTF8) ||
                           (cv->Language == IdKorean && states->KanjiCode == IdUTF8))
        {
                // UTF-8 ���o��
                size_t utf8_len = sizeof(TempStr);
                utf8_len = UTF32ToUTF8(u32, TempStr, utf8_len);
                TempLen += utf8_len;
        } else if (cv->Language == IdJapanese) {
                // ���{��
                // ���� CP932(SJIS) ���������������o��
                char mb_char[2];
                size_t mb_len = sizeof(mb_char);
                mb_len = UTF32ToMBCP(u32, 932, mb_char, mb_len);
                if (mb_len == 0) {
                        // SJIS��������������
                        TempStr[TempLen++] = '?';
                } else {
                        switch (states->KanjiCode) {
                        case IdEUC:
                                // TODO ���p�J�i
                                if (mb_len == 1) {
                                        TempStr[TempLen++] = mb_char[0];
                                } else {
                                        WORD K;
                                        K = (((WORD)(unsigned char)mb_char[0]) << 8) +
                                                (WORD)(unsigned char)mb_char[1];
                                        K = SJIS2EUC(K);
                                        TempStr[TempLen++] = HIBYTE(K);
                                        TempStr[TempLen++] = LOBYTE(K);
                                }
                                break;
                        case IdJIS:
                                if (u32 < 0x100) {
                                        // ASCII
                                        TempStr[TempLen++] = mb_char[0];
                                        states->SendCode = IdASCII;
                                } else if (IsHalfWidthKatakana(u32)) {
                                        // ���p�J�^�J�i
                                        if (states->JIS7Katakana==1) {
                                                if (cv->SendCode != IdKatakana) {
                                                        TempStr[TempLen++] = SI;
                                                }
                                                TempStr[TempLen++] = mb_char[0] & 0x7f;
                                        } else {
                                                TempStr[TempLen++] = mb_char[0];
                                        }
                                        states->SendCode = IdKatakana;
                                } else {
                                        // ����
                                        WORD K;
                                        K = (((WORD)(unsigned char)mb_char[0]) << 8) +
                                                (WORD)(unsigned char)mb_char[1];
                                        K = SJIS2JIS(K);
                                        if (states->SendCode != IdKanji) {
                                                // ����IN
                                                TempStr[TempLen++] = 0x1B;
                                                TempStr[TempLen++] = '$';
                                                if (cv->KanjiIn == IdKanjiInB) {
                                                        TempStr[TempLen++] = 'B';
                                                }
                                                else {
                                                        TempStr[TempLen++] = '@';
                                                }
                                                states->SendCode = IdKanji;
                                        }
                                        TempStr[TempLen++] = HIBYTE(K);
                                        TempStr[TempLen++] = LOBYTE(K);
                                }
                                break;
                        case IdSJIS:
                                if (mb_len == 1) {
                                        TempStr[TempLen++] = mb_char[0];
                                } else {
                                        TempStr[TempLen++] = mb_char[0];
                                        TempStr[TempLen++] = mb_char[1];
                                }
                                break;
                        default:
                                assert(FALSE);
                                break;
                        }
                }
        } else if (cv->Language == IdRussian) {
                /* ����CP1251�����������o�� */
                char mb_char[2];
                size_t mb_len = sizeof(mb_char);
                BYTE b;
                mb_len = UTF32ToMBCP(u32, 1251, mb_char, mb_len);
                if (mb_len != 1) {
                        b = '?';
                } else {
                        b = RussConv(IdWindows, states->KanjiCode, mb_char[0]);
                }
                TempStr[TempLen++] = b;
        } else if (cv->Language == IdKorean || cv->Language == IdChinese) {
                int code_page;
                char mb_char[2];
                size_t mb_len;
                if (cv->Language == IdKorean) {
                        code_page = 51949;
                } else if (cv->Language == IdChinese) {
                        switch (states->KanjiCode) {
                        case IdCnGB2312:
                                code_page = 936;
                                break;
                        case IdCnBig5:
                                code_page = 950;
                                break;
                        default:
                                assert(FALSE);
                                code_page = 936;
                                break;
                        }
                }
                /* code_page �����������o�� */
                mb_len = sizeof(mb_char);
                mb_len = UTF32ToMBCP(u32, code_page, mb_char, mb_len);
                if (mb_len == 0) {
                        TempStr[TempLen++] = '?';
                }
                else if (mb_len == 1) {
                        TempStr[TempLen++] = mb_char[0];
                } else  {
                        TempStr[TempLen++] = mb_char[0];
                        TempStr[TempLen++] = mb_char[1];
                }
        } else if (cv->Language == IdEnglish) {
                TempStr[TempLen++] = u32;
        } else {
                assert(FALSE);
        }

        *TempLen_ = TempLen;
        return output_char_count;
}


/**
 * CommTextOut() �� wchar_t ��
 *
 *      @retval         �o��������(wchar_t�P��)
 */
int WINAPI CommTextOutW(PComVar cv, const wchar_t *B, int C)
{
        char TempStr[12];
        BOOL Full = FALSE;
        int i = 0;
        while (! Full && (i < C)) {
                // �o���p�f�[�^������
                int TempLen = 0;
                size_t output_char_count;       // ��������������
                OutputCharState state;
                state.KanjiCode = cv->KanjiCodeSend;
                state.ControlOut = OutControl;
                state.SendCode = cv->SendCode;
                state.JIS7Katakana = cv->JIS7KatakanaSend;
                output_char_count = MakeOutputString(cv, &state, &B[i], C-i, TempStr, &TempLen);

                // �f�[�^���o���o�b�t�@��
                if (WriteOutBuff(cv, TempStr, TempLen)) {
                        i += output_char_count;         // output_char_count ������ ��������
                        // ��������������������
                        cv->SendCode = state.SendCode;
                } else {
                        Full = TRUE;
                }
        } // end of "while {}"
        _CrtCheckMemory();
        return i;
}

/**
 * CommTextEcho() �� wchar_t ��
 *
 *      @retval         �o��������(wchar_t�P��)
 */
int WINAPI CommTextEchoW(PComVar cv, const wchar_t *B, int C)
{
        char TempStr[12];
        BOOL Full = FALSE;
        int i = 0;
        while (! Full && (i < C)) {
                // �o���p�f�[�^������
                int TempLen = 0;
                size_t output_char_count;       // ��������������
                OutputCharState state;
                state.KanjiCode = cv->KanjiCodeEcho;
                state.ControlOut = ControlEcho;
                state.SendCode = cv->EchoCode;
                state.JIS7Katakana = cv->JIS7KatakanaEcho;
                output_char_count = MakeOutputString(cv, &state, &B[i], C-i, TempStr, &TempLen);

                // �f�[�^���o���o�b�t�@��
                if (WriteInBuff(cv, TempStr, TempLen)) {
                        i += output_char_count;         // output_char_count ������ ��������
                        // ��������������������
                        cv->EchoCode = state.SendCode;
                } else {
                        Full = TRUE;
                }
        } // end of "while {}"
        _CrtCheckMemory();
        return i;
}

int WINAPI CommBinaryEcho(PComVar cv, PCHAR B, int C)
{
        int a, i, Len;
        char d[3];

        if ( ! cv->Ready )
                return C;

        PackInBuff(cv);

        i = 0;
        a = 1;
        while ((a>0) && (i<C)) {
                Len = 0;

                d[Len] = B[i];
                Len++;

                if ( cv->TelFlag && (B[i]=='\x0d') &&
                     ! cv->TelBinSend ) {
                        d[Len] = 0x00;
                        Len++;
                }

                if ( cv->TelFlag && (B[i]=='\xff') ) {
                        d[Len] = '\xff';
                        Len++;
                }

                if (WriteInBuff(cv, d, Len)) {
                        a = 1;
                        i++;
                } else {
                        a = 0;
                }
        }
        return i;
}

/*
 *      @return         �G���[���L������ FALSE
 *      @param[in]      BOOL first_instance
 */
static BOOL OpenSharedMemory(BOOL *first_instance_)
{
        int i;
        HMap = NULL;
        pm = NULL;
        for (i = 0; i < 100; i++) {
                char tmp[32];
                HANDLE hMap;
                BOOL first_instance;
                TMap *map;
                _snprintf_s(tmp, sizeof(tmp), _TRUNCATE, i == 0 ? "%s" : "%s_%d", TT_FILEMAPNAME, i);
                hMap = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
                                                                 0, sizeof(TMap), tmp);
                if (hMap == NULL) {
                        return FALSE;
                }

                first_instance = (GetLastError() != ERROR_ALREADY_EXISTS);

                map = (TMap *)MapViewOfFile(hMap,FILE_MAP_WRITE,0,0,0);
                if (map == NULL) {
                        return FALSE;
                }

                if (first_instance ||
                        (map->size_tmap == sizeof(TMap) &&
                         map->size_tttset == sizeof(TTTSet)))
                {
                        map->size_tmap = sizeof(TMap);
                        map->size_tttset = sizeof(TTTSet);
                        HMap = hMap;
                        pm = map;
                        *first_instance_ = first_instance;
                        return TRUE;
                }

                // next try
                UnmapViewOfFile(map);
                CloseHandle(hMap);
        }
        return FALSE;
}

BOOL WINAPI DllMain(HANDLE hInstance,
                    ULONG ul_reason_for_call,
                    LPVOID lpReserved)
{
        switch( ul_reason_for_call ) {
                case DLL_THREAD_ATTACH:
                        /* do thread initialization */
                        break;
                case DLL_THREAD_DETACH:
                        /* do thread cleanup */
                        break;
                case DLL_PROCESS_ATTACH:
                        /* do process initialization */
#ifdef _DEBUG
                        _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
#endif
                        hInst = hInstance;
                        if (OpenSharedMemory(&FirstInstance) == FALSE) {
                                // dll���[�h���s�Ateraterm���N��������
                                return FALSE;
                        }
                        WinCompatInit();
                        break;
                case DLL_PROCESS_DETACH:
                        /* do process cleanup */
                        UnmapViewOfFile(pm);
                        CloseHandle(HMap);
                        break;
        }
        return TRUE;
}