init.c

This folder includes IME sample source code for Simplified Chinese IMEs

/*++

Copyright (c) 1990-1999 Microsoft Corporation, All Rights Reserved

Module Name:

    init.c

++*/


#include <windows.h>
#include <winerror.h>
#include <memory.h>
#include <imm.h>
#include <imedefs.h>
#include <regstr.h>

int strbytelen (LPTSTR);

void PASCAL InitStatusUIData(
    int     cxBorder,
    int     cyBorder)
{
    int   iContentHi;


    // iContentHi is to get the maximum value of predefined STATUS_DIM_Y and
    // a real Chinese character's height in the current HDC.

    iContentHi = STATUS_DIM_Y;

    if ( iContentHi < sImeG.yChiCharHi )
       iContentHi = sImeG.yChiCharHi ;

    // right bottom of status
    sImeG.rcStatusText.left = 0;
    sImeG.rcStatusText.top = 0;

    sImeG.rcStatusText.right = sImeG.rcStatusText.left +
        strbytelen(szImeName) * sImeG.xChiCharWi/2 + STATUS_NAME_MARGIN + STATUS_DIM_X * 4;
    sImeG.rcStatusText.bottom = sImeG.rcStatusText.top + iContentHi;

    sImeG.xStatusWi = STATUS_DIM_X * 4 + STATUS_NAME_MARGIN +
        strbytelen(szImeName) * sImeG.xChiCharWi/2 + 6 * cxBorder;
    sImeG.yStatusHi = iContentHi + 6 * cxBorder;
    
    // left bottom of imeicon bar
    sImeG.rcImeIcon.left = sImeG.rcStatusText.left;
    sImeG.rcImeIcon.top = sImeG.rcStatusText.top;
    sImeG.rcImeIcon.right = sImeG.rcImeIcon.left + STATUS_DIM_X;
    sImeG.rcImeIcon.bottom = sImeG.rcImeIcon.top + iContentHi;

    // left bottom of imename bar
    sImeG.rcImeName.left = sImeG.rcImeIcon.right;
    sImeG.rcImeName.top = sImeG.rcStatusText.top;
    sImeG.rcImeName.right = sImeG.rcImeName.left +
            strbytelen(szImeName) * sImeG.xChiCharWi/2 + STATUS_NAME_MARGIN;
    sImeG.rcImeName.bottom = sImeG.rcImeName.top + iContentHi;
    

    // middle bottom of Shape bar
    sImeG.rcShapeText.left = sImeG.rcImeName.right;
    sImeG.rcShapeText.top = sImeG.rcStatusText.top;
    sImeG.rcShapeText.right = sImeG.rcShapeText.left + STATUS_DIM_X;
    sImeG.rcShapeText.bottom = sImeG.rcShapeText.top + iContentHi;

    // middle bottom of Symbol bar
    sImeG.rcSymbol.left = sImeG.rcShapeText.right;
    sImeG.rcSymbol.top = sImeG.rcStatusText.top;
    sImeG.rcSymbol.right = sImeG.rcSymbol.left + STATUS_DIM_X;
    sImeG.rcSymbol.bottom = sImeG.rcSymbol.top + iContentHi;

    // right bottom of SK bar
    sImeG.rcSKText.left = sImeG.rcSymbol.right;  
    sImeG.rcSKText.top = sImeG.rcStatusText.top;
    sImeG.rcSKText.right = sImeG.rcSKText.left + STATUS_DIM_X;
    sImeG.rcSKText.bottom = sImeG.rcSKText.top + iContentHi;

    return;
}

void PASCAL InitCandUIData(
    int     cxBorder,
    int     cyBorder,
    int     UIMode)
{
    int   iContentHi;


    // iContentHi is to get the maximum value of predefined COMP_TEXT_Y and
    // a real Chinese character's height in the current HDC.

    iContentHi = COMP_TEXT_Y;

    if ( iContentHi < sImeG.yChiCharHi )
       iContentHi = sImeG.yChiCharHi ;


    sImeG.cxCandBorder = cxBorder * 2;
    sImeG.cyCandBorder = cyBorder * 2;

    if(UIMode == LIN_UI) {
        sImeG.rcCandIcon.left = 0;
        sImeG.rcCandIcon.top = cyBorder + 2;
        sImeG.rcCandIcon.right = sImeG.rcCandIcon.left + UI_CANDICON;
        sImeG.rcCandIcon.bottom = sImeG.rcCandIcon.top + UI_CANDICON;
                          
        sImeG.rcCandText.left = sImeG.rcCandIcon.right + 3;
        sImeG.rcCandText.top =  cyBorder ;
        sImeG.rcCandText.right = sImeG.rcCandText.left + UI_CANDSTR;
        sImeG.rcCandText.bottom = sImeG.rcCandText.top + iContentHi;

        sImeG.rcCandBTH.top = cyBorder * 4;
        sImeG.rcCandBTH.left = sImeG.rcCandText.right + 5;
        sImeG.rcCandBTH.right = sImeG.rcCandBTH.left + UI_CANDBTW;
        sImeG.rcCandBTH.bottom = sImeG.rcCandBTH.top + UI_CANDBTH;

        sImeG.rcCandBTU.top = cyBorder * 4;
        sImeG.rcCandBTU.left = sImeG.rcCandBTH.right;
        sImeG.rcCandBTU.right = sImeG.rcCandBTU.left + UI_CANDBTW;
        sImeG.rcCandBTU.bottom = sImeG.rcCandBTU.top + UI_CANDBTH;

        sImeG.rcCandBTD.top = cyBorder * 4;
        sImeG.rcCandBTD.left = sImeG.rcCandBTU.right;
        sImeG.rcCandBTD.right = sImeG.rcCandBTD.left + UI_CANDBTW;
        sImeG.rcCandBTD.bottom = sImeG.rcCandBTD.top + UI_CANDBTH;

        sImeG.rcCandBTE.top = cyBorder * 4;
        sImeG.rcCandBTE.left = sImeG.rcCandBTD.right;
        sImeG.rcCandBTE.right = sImeG.rcCandBTE.left + UI_CANDBTW;
        sImeG.rcCandBTE.bottom = sImeG.rcCandBTE.top + UI_CANDBTH;

        sImeG.xCandWi = sImeG.rcCandBTE.right + sImeG.cxCandBorder * 2 + cxBorder * 4;
        sImeG.yCandHi = sImeG.rcCandText.bottom + sImeG.cyCandBorder * 2 + cyBorder * 4;

    } else {
        sImeG.rcCandText.left = cxBorder;
        sImeG.rcCandText.top = 2 * cyBorder + UI_CANDINF;
        if(sImeG.xChiCharWi*9 > (UI_CANDICON*6 + UI_CANDBTH*4))
            sImeG.rcCandText.right = sImeG.rcCandText.left + sImeG.xChiCharWi * 9;
        else
            sImeG.rcCandText.right = sImeG.rcCandText.left + (UI_CANDICON*6 + UI_CANDBTH*4);
        sImeG.rcCandText.bottom = sImeG.rcCandText.top + sImeG.yChiCharHi * CANDPERPAGE;

        sImeG.xCandWi = sImeG.rcCandText.right + sImeG.cxCandBorder * 2 + cxBorder * 4;
        sImeG.yCandHi = sImeG.rcCandText.bottom + sImeG.cyCandBorder * 2 + cyBorder * 4;

        sImeG.rcCandIcon.left = cxBorder;
        sImeG.rcCandIcon.top = cyBorder + 2;
        sImeG.rcCandIcon.right = sImeG.rcCandIcon.left + UI_CANDICON;
        sImeG.rcCandIcon.bottom = sImeG.rcCandIcon.top + UI_CANDICON;
                          
        sImeG.rcCandInf.left = sImeG.rcCandIcon.right;
        sImeG.rcCandInf.top = cyBorder + 3;
        sImeG.rcCandInf.right = sImeG.rcCandInf.left + UI_CANDICON * 5;
        sImeG.rcCandInf.bottom = sImeG.rcCandInf.top + UI_CANDBTH;

        sImeG.rcCandBTE.top = cyBorder * 5;
        sImeG.rcCandBTE.right = sImeG.rcCandText.right + cxBorder;
        sImeG.rcCandBTE.bottom = sImeG.rcCandBTE.top + UI_CANDBTH;
        sImeG.rcCandBTE.left = sImeG.rcCandBTE.right - UI_CANDBTW;

        sImeG.rcCandBTD.top = cyBorder * 5;
        sImeG.rcCandBTD.right = sImeG.rcCandBTE.left;
        sImeG.rcCandBTD.bottom = sImeG.rcCandBTD.top + UI_CANDBTH;
        sImeG.rcCandBTD.left = sImeG.rcCandBTD.right - UI_CANDBTW;

        sImeG.rcCandBTU.top = cyBorder * 5;
        sImeG.rcCandBTU.right = sImeG.rcCandBTD.left;
        sImeG.rcCandBTU.bottom = sImeG.rcCandBTU.top + UI_CANDBTH;
        sImeG.rcCandBTU.left = sImeG.rcCandBTU.right - UI_CANDBTW;

        sImeG.rcCandBTH.top = cyBorder * 5;
        sImeG.rcCandBTH.right = sImeG.rcCandBTU.left;
        sImeG.rcCandBTH.bottom = sImeG.rcCandBTH.top + UI_CANDBTH;
        sImeG.rcCandBTH.left = sImeG.rcCandBTH.right - UI_CANDBTW;
    }

}
/**********************************************************************/
/* InitImeGlobalData()                                                */
/**********************************************************************/
void PASCAL InitImeGlobalData(
    HINSTANCE hInstance)
{
    int     cxBorder, cyBorder;
    int     UI_MODE;
    HDC     hDC;
    HGDIOBJ hOldFont;
    LOGFONT lfFont;
    TCHAR   szChiChar[4];
    SIZE    lTextSize;
    HGLOBAL hResData;
    int     i;
    DWORD   dwSize;
    HKEY    hKeyIMESetting;
    LONG    lRet;

    hInst = hInstance;
    LoadString(hInst, IDS_IMEREGNAME, szImeRegName, MAX_PATH);    
    LoadString(hInst, IDS_IMENAME_QW, pszImeName[0], MAX_PATH);    
    LoadString(hInst, IDS_IMENAME_NM, pszImeName[1], MAX_PATH);    
    LoadString(hInst, IDS_IMENAME_UNI, pszImeName[2], MAX_PATH);    
    // get the UI class name
    LoadString(hInst, IDS_IMEUICLASS, szUIClassName,
    CLASS_LEN);

    // get the composition class name
    LoadString(hInst, IDS_IMECOMPCLASS, szCompClassName,
    CLASS_LEN);

    // get the candidate class name
    LoadString(hInst, IDS_IMECANDCLASS, szCandClassName,
    CLASS_LEN);

    // get the status class name
    LoadString(hInst, IDS_IMESTATUSCLASS, szStatusClassName,
    CLASS_LEN);

    //get the ContextMenu class name
    LoadString(hInst, IDS_IMECMENUCLASS, szCMenuClassName,
    CLASS_LEN);

    //get the softkeyboard Menu class name
    LoadString(hInst, IDS_IMESOFTKEYMENUCLASS, szSoftkeyMenuClassName,
    CLASS_LEN);

    // work area
    SystemParametersInfo(SPI_GETWORKAREA, 0, &sImeG.rcWorkArea, 0);

    // border
    cxBorder = GetSystemMetrics(SM_CXBORDER);
    cyBorder = GetSystemMetrics(SM_CYBORDER);

    // get the Chinese char
    LoadString(hInst, IDS_CHICHAR, szChiChar, sizeof(szChiChar)/sizeof(TCHAR));

    // get size of Chinese char
    hDC = GetDC(NULL);
    
    hOldFont = GetCurrentObject(hDC, OBJ_FONT);
    GetObject(hOldFont, sizeof(LOGFONT), &lfFont);
    sImeG.fDiffSysCharSet = TRUE;
    ZeroMemory(&lfFont, sizeof(lfFont));
    lfFont.lfHeight = -MulDiv(12, GetDeviceCaps(hDC, LOGPIXELSY), 72);
    lfFont.lfCharSet = NATIVE_CHARSET;
    lstrcpy(lfFont.lfFaceName, TEXT("Simsun"));
    SelectObject(hDC, CreateFontIndirect(&lfFont));

    if(!GetTextExtentPoint(hDC, (LPTSTR)szChiChar, lstrlen(szChiChar), &lTextSize))
        memset(&lTextSize, 0, sizeof(SIZE));
    if (sImeG.rcWorkArea.right < 2 * UI_MARGIN) {
        sImeG.rcWorkArea.left = 0;
        sImeG.rcWorkArea.right = GetDeviceCaps(hDC, HORZRES);
    }
    if (sImeG.rcWorkArea.bottom < 2 * UI_MARGIN) {
        sImeG.rcWorkArea.top = 0;
        sImeG.rcWorkArea.bottom = GetDeviceCaps(hDC, VERTRES);
    }

    if (sImeG.fDiffSysCharSet) {
        DeleteObject(SelectObject(hDC, hOldFont));
    }

    ReleaseDC(NULL, hDC);

    // get text metrics to decide the width & height of composition window
    // these IMEs always use system font to show
    sImeG.xChiCharWi = lTextSize.cx;
    sImeG.yChiCharHi = lTextSize.cy;

    if(sImeG.IC_Trace) {
        UI_MODE = BOX_UI;
    } else {
        UI_MODE = LIN_UI;
    }

    InitCandUIData(cxBorder, cyBorder, UI_MODE);

    InitStatusUIData(cxBorder, cyBorder);

    // load full ABC table
    hResData = LoadResource(hInst, FindResource(hInst,
        TEXT("FULLABC"), RT_RCDATA));
    *(LPFULLABC)sImeG.wFullABC = *(LPFULLABC)LockResource(hResData);
    UnlockResource(hResData);
    FreeResource(hResData);

    // full shape space
    sImeG.wFullSpace = sImeG.wFullABC[0];

#ifndef UNICODE
    // reverse internal code to internal code, NT don't need it
    for (i = 0; i < (sizeof(sImeG.wFullABC) / 2); i++) {
        sImeG.wFullABC[i] = (sImeG.wFullABC[i] << 8) |
            (sImeG.wFullABC[i] >> 8);
    }
#endif

    LoadString(hInst, IDS_STATUSERR, sImeG.szStatusErr,
        sizeof(sImeG.szStatusErr)/sizeof(TCHAR));
    sImeG.cbStatusErr = lstrlen(sImeG.szStatusErr);

    sImeG.iCandStart = CAND_START;

    // get the UI offset for near caret operation
    RegCreateKey(HKEY_CURRENT_USER, szRegIMESetting, &hKeyIMESetting);

    dwSize = sizeof(DWORD);
    lRet  = RegQueryValueEx(hKeyIMESetting, 
                            szPara, 
                            NULL, 
                            NULL,
                            (LPBYTE)&sImeG.iPara, 
                            &dwSize);

    if (lRet != ERROR_SUCCESS) {
        sImeG.iPara = 0;
        RegSetValueEx(hKeyIMESetting, 
                      szPara, 
                      (DWORD)0, 
                      REG_BINARY,
                      (LPBYTE)&sImeG.iPara, 
                      sizeof(int));
    }

    dwSize = sizeof(DWORD);
    lRet = RegQueryValueEx(hKeyIMESetting, 
                           szPerp, 
                           NULL, 
                           NULL,
                           (LPBYTE)&sImeG.iPerp, 
                           &dwSize);

    if (lRet != ERROR_SUCCESS) {
        sImeG.iPerp = sImeG.yChiCharHi;
        RegSetValueEx(hKeyIMESetting, 
                      szPerp, 
                      (DWORD)0, 
                      REG_BINARY,
                      (LPBYTE)&sImeG.iPerp, 
                      sizeof(int));
    }

    dwSize = sizeof(DWORD);
    lRet = RegQueryValueEx(hKeyIMESetting, 
                           szParaTol, 
                           NULL, 
                           NULL,
                           (LPBYTE)&sImeG.iParaTol, 
                           &dwSize);

    if (lRet != ERROR_SUCCESS) {
        sImeG.iParaTol = sImeG.xChiCharWi * 4;
        RegSetValueEx(hKeyIMESetting, 
                      szParaTol, 
                      (DWORD)0, 
                      REG_BINARY,
                      (LPBYTE)&sImeG.iParaTol, 
                      sizeof(int));
    }

    dwSize = sizeof(DWORD);
    lRet = RegQueryValueEx(hKeyIMESetting, 
                           szPerpTol, 
                           NULL, 
                           NULL,
                           (LPBYTE)&sImeG.iPerpTol, 
                           &dwSize);

    if (lRet != ERROR_SUCCESS) {
        sImeG.iPerpTol = lTextSize.cy;
        RegSetValueEx(hKeyIMESetting, 
                      szPerpTol,
                     (DWORD)0, 
                     REG_BINARY,
                     (LPBYTE)&sImeG.iPerpTol, 
                     sizeof(int));
    }