/*++

Copyright (c) 1990-1998 Microsoft Corporation, All Rights Reserved

Module Name:

    UISTATE.C
    
++*/

/**********************************************************************/
#include "windows.h"
#include "immdev.h"
#include "fakeime.h"
#include "resource.h"

/**********************************************************************/
/*                                                                    */
/* StatusWndProc()                                                    */
/* IME UI window procedure                                            */
/*                                                                    */
/**********************************************************************/
LRESULT CALLBACK StatusWndProc( hWnd, message, wParam, lParam )
HWND hWnd;
UINT message;
WPARAM wParam;
LPARAM lParam;
{
    PAINTSTRUCT ps;
    HWND hUIWnd;
    HDC hDC;
    HBITMAP hbmpStatus;

    switch (message)
    {
        case WM_UI_UPDATE:
            InvalidateRect(hWnd,NULL,FALSE);
            break;

        case WM_PAINT:
            hDC = BeginPaint(hWnd,&ps);
            PaintStatus(hWnd,hDC,NULL,0);
            EndPaint(hWnd,&ps);
            break;

        case WM_MOUSEMOVE:
        case WM_SETCURSOR:
        case WM_LBUTTONUP:
        case WM_RBUTTONUP:
            ButtonStatus(hWnd,message,wParam,lParam);
            if ((message == WM_SETCURSOR) &&
                (HIWORD(lParam) != WM_LBUTTONDOWN) &&
                (HIWORD(lParam) != WM_RBUTTONDOWN)) 
                return DefWindowProc(hWnd,message,wParam,lParam);
            if ((message == WM_LBUTTONUP) || (message == WM_RBUTTONUP))
            {
                SetWindowLong(hWnd,FIGWL_MOUSE,0L);
                SetWindowLong(hWnd,FIGWL_PUSHSTATUS,0L);
            }
            break;

        case WM_MOVE:
            hUIWnd = (HWND)GetWindowLongPtr(hWnd,FIGWL_SVRWND);
            if (IsWindow(hUIWnd))
                SendMessage(hUIWnd,WM_UI_STATEMOVE,wParam,lParam);
            break;

        case WM_CREATE:
            hbmpStatus = LoadBitmap(hInst,TEXT("STATUSBMP"));
            SetWindowLongPtr(hWnd,FIGWL_STATUSBMP,(LONG_PTR)hbmpStatus);
            hbmpStatus = LoadBitmap(hInst,TEXT("CLOSEBMP"));
            SetWindowLongPtr(hWnd,FIGWL_CLOSEBMP,(LONG_PTR)hbmpStatus);
            break;

        case WM_DESTROY:
            hbmpStatus = (HBITMAP)GetWindowLongPtr(hWnd,FIGWL_STATUSBMP);
            DeleteObject(hbmpStatus);
            hbmpStatus = (HBITMAP)GetWindowLongPtr(hWnd,FIGWL_CLOSEBMP);
            DeleteObject(hbmpStatus);
            break;

        default:
            if (!MyIsIMEMessage(message))
                return DefWindowProc(hWnd,message,wParam,lParam);
            break;
    }
    return 0;
}

/**********************************************************************/
/*                                                                    */
/* CheckPushedStatus()                                                   */
/*                                                                    */
/**********************************************************************/
DWORD PASCAL CheckPushedStatus( HWND hStatusWnd, LPPOINT lppt)
{
    POINT pt;
    RECT rc;

    if (lppt)
    {
        pt = *lppt;
        ScreenToClient(hStatusWnd,&pt);
        GetClientRect(hStatusWnd,&rc);
        if (!PtInRect(&rc,pt))
            return 0;

        if (pt.y > GetSystemMetrics(SM_CYSMCAPTION))
        {
            if (pt.x < BTX)
                return PUSHED_STATUS_HDR;
            else if (pt.x < (BTX * 2))
                return PUSHED_STATUS_MODE;
            else if (pt.x < (BTX * 3))
                return PUSHED_STATUS_ROMAN;
        }
        else
        {
            RECT rc;
            rc.left = STCLBT_X; 
            rc.top = STCLBT_Y; 
            rc.right = STCLBT_X + STCLBT_DX; 
            rc.bottom = STCLBT_Y + STCLBT_DY; 
            if (PtInRect(&rc,pt))
                return PUSHED_STATUS_CLOSE;
        }
    }
    return 0;
}

/**********************************************************************/
/*                                                                    */
/* BTXFromCmode()                                                     */
/*                                                                    */
/**********************************************************************/
int PASCAL BTXFromCmode( DWORD dwCmode)
{
    if (dwCmode & IME_CMODE_FULLSHAPE)
    {
        if (!(dwCmode & IME_CMODE_LANGUAGE))
            return BTFALPH;
        else if ((dwCmode & IME_CMODE_LANGUAGE) == IME_CMODE_NATIVE)
            return BTFHIRA;
        else
            return BTFKATA;
    }
    else
    {
        if ((dwCmode & IME_CMODE_LANGUAGE) == IME_CMODE_ALPHANUMERIC)
            return BTHALPH;
        else
            return BTHKATA;
    }

}
/**********************************************************************/
/*                                                                    */
/* PaintStatus()                                                      */
/*                                                                    */
/**********************************************************************/
void PASCAL PaintStatus( HWND hStatusWnd , HDC hDC, LPPOINT lppt, DWORD dwPushedStatus)
{
    HIMC hIMC;
    LPINPUTCONTEXT lpIMC;
    HDC hMemDC;
    HBITMAP hbmpOld;
    int x;
    HWND hSvrWnd;

    hSvrWnd = (HWND)GetWindowLongPtr(hStatusWnd,FIGWL_SVRWND);

    if (hIMC = (HIMC)GetWindowLongPtr(hSvrWnd,IMMGWLP_IMC))
    {
        HBITMAP hbmpStatus;
        HBRUSH hOldBrush,hBrush;
        int nCyCap = GetSystemMetrics(SM_CYSMCAPTION);
        RECT rc;

        lpIMC = ImmLockIMC(hIMC);
        hMemDC = CreateCompatibleDC(hDC);

        // Paint Caption.
        hBrush = CreateSolidBrush(GetSysColor(COLOR_ACTIVECAPTION));
        hOldBrush = SelectObject(hDC,hBrush);
        rc.top = rc.left = 0;
        rc.right = BTX*3;
        rc.bottom = nCyCap;
        FillRect(hDC,&rc,hBrush);
        SelectObject(hDC,hOldBrush);
        DeleteObject(hBrush);

        // Paint CloseButton.
        hbmpStatus = (HBITMAP)GetWindowLongPtr(hStatusWnd,FIGWL_CLOSEBMP);
        hbmpOld = SelectObject(hMemDC,hbmpStatus);

        if (!(dwPushedStatus & PUSHED_STATUS_CLOSE))
            BitBlt(hDC,STCLBT_X,STCLBT_Y,STCLBT_DX,STCLBT_DY,
                   hMemDC,0,0,SRCCOPY);
        else
            BitBlt(hDC,STCLBT_X,STCLBT_Y,STCLBT_DX,STCLBT_DY,
                   hMemDC,STCLBT_DX,0,SRCCOPY);


        hbmpStatus = (HBITMAP)GetWindowLongPtr(hStatusWnd,FIGWL_STATUSBMP);
        SelectObject(hMemDC,hbmpStatus);

        // Paint HDR.
        x = BTEMPT;
        if (lpIMC->fOpen)
            x = 0;

        if (!(dwPushedStatus & PUSHED_STATUS_HDR))
            BitBlt(hDC,0,nCyCap,BTX,BTY,hMemDC,x,0,SRCCOPY);
        else
            BitBlt(hDC,0,nCyCap,BTX,BTY,hMemDC,x,BTY,SRCCOPY);

        // Paint MODE.
        x = BTXFromCmode(lpIMC->fdwConversion);

        if (!(dwPushedStatus & PUSHED_STATUS_MODE))
            BitBlt(hDC,BTX,nCyCap,BTX,BTY,hMemDC,x,0,SRCCOPY);
        else
            BitBlt(hDC,BTX,nCyCap,BTX,BTY,hMemDC,x,BTY,SRCCOPY);

        // Paint Roman MODE.
        x = BTEMPT;
        if (lpIMC->fdwConversion & IME_CMODE_ROMAN)
            x = BTROMA;

        if (!(dwPushedStatus & PUSHED_STATUS_ROMAN))
            BitBlt(hDC,BTX*2,nCyCap,BTX,BTY,hMemDC,x,0,SRCCOPY);
        else
            BitBlt(hDC,BTX*2,nCyCap,BTX,BTY,hMemDC,x,BTY,SRCCOPY);

        SelectObject(hMemDC,hbmpOld);
        DeleteDC(hMemDC);
        ImmUnlockIMC(hIMC);
    }


}

/**********************************************************************/
/*                                                                    */
/* GetUINextMode(hWnd,message,wParam,lParam)                          */
/*                                                                    */
/**********************************************************************/
DWORD PASCAL GetUINextMode( DWORD fdwConversion, DWORD dwPushed)
{
    DWORD dwTemp;
    BOOL fFullShape = ((fdwConversion & IME_CMODE_FULLSHAPE) != 0);

    //
    // When the mode button is pushed, the convmode will be chage as follow
    // rotation.
    //
    //     FULLSHAPE,HIRAGANA     ->
    //     FULLSHAPE,KATAKANA     ->
    //     FULLSHAPE,ALPHANUMERIC ->
    //     HALFSHAPE,KATAKANA     ->
    //     HALFSHAPE,ALPHANUMERIC ->
    //     FULLSHAPE,HIRAGANA 
    //
    if (dwPushed == PUSHED_STATUS_MODE)
    {
        dwTemp = fdwConversion & IME_CMODE_LANGUAGE;

        if ((fFullShape) && (dwTemp == IME_CMODE_NATIVE))
            return (fdwConversion & ~IME_CMODE_LANGUAGE) | IME_CMODE_KATAKANA | IME_CMODE_NATIVE;

        if ((fFullShape) && (dwTemp == (IME_CMODE_KATAKANA | IME_CMODE_NATIVE)))
            return (fdwConversion & ~IME_CMODE_LANGUAGE);

        if ((fFullShape) && (dwTemp == 0))
        {
            fdwConversion &= ~IME_CMODE_FULLSHAPE;
            return (fdwConversion & ~IME_CMODE_LANGUAGE) 
                           | IME_CMODE_KATAKANA | IME_CMODE_NATIVE;
        }

        if ((!fFullShape) && (dwTemp == (IME_CMODE_KATAKANA | IME_CMODE_NATIVE)))
            return (fdwConversion & ~IME_CMODE_LANGUAGE);

        if ((!fFullShape) && (!dwTemp))
        {
            fdwConversion |= IME_CMODE_FULLSHAPE;
            return (fdwConversion & ~IME_CMODE_LANGUAGE) | IME_CMODE_NATIVE;
        }
    }
    if (dwPushed == PUSHED_STATUS_ROMAN)
    {
         if (fdwConversion & IME_CMODE_ROMAN)
            return fdwConversion & ~IME_CMODE_ROMAN;
         else
            return fdwConversion | IME_CMODE_ROMAN;
    }
    return fdwConversion;

}
/**********************************************************************/
/*                                                                    */
/* ButtonStatus(hStatusWnd,message,wParam,lParam)                     */
/*                                                                    */
/**********************************************************************/
void PASCAL ButtonStatus( HWND hStatusWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    POINT     pt;
    HDC hDC;
    DWORD dwMouse;
    DWORD dwPushedStatus;
    DWORD dwTemp;
    DWORD fdwConversion;
    HIMC hIMC;
    HWND hSvrWnd;
    BOOL fOpen;
    HMENU hMenu;
    static    POINT ptdif;
    static    RECT drc;
    static    RECT rc;
    static    DWORD dwCurrentPushedStatus;

    hDC = GetDC(hStatusWnd);
    switch (message)
    {
        case WM_SETCURSOR:
            if ( HIWORD(lParam) == WM_LBUTTONDOWN
                || HIWORD(lParam) == WM_RBUTTONDOWN ) 
            {
                GetCursorPos( &pt );
                SetCapture(hStatusWnd);
                GetWindowRect(hStatusWnd,&drc);
                ptdif.x = pt.x - drc.left;
                ptdif.y = pt.y - drc.top;
                rc = drc;
                rc.right -= rc.left;
                rc.bottom -= rc.top;
                SetWindowLong(hStatusWnd,FIGWL_MOUSE,FIM_CAPUTURED);
                SetWindowLong(hStatusWnd, FIGWL_PUSHSTATUS, dwPushedStatus = CheckPushedStatus(hStatusWnd,&pt));
                PaintStatus(hStatusWnd,hDC,&pt, dwPushedStatus);
                dwCurrentPushedStatus = dwPushedStatus;
            }
            break;

        case WM_MOUSEMOVE:
            dwMouse = GetWindowLong(hStatusWnd,FIGWL_MOUSE);
            if (!(dwPushedStatus = GetWindowLong(hStatusWnd, FIGWL_PUSHSTATUS)))
            {
                if (dwMouse & FIM_MOVED)
                {
                    DrawUIBorder(&drc);
                    GetCursorPos( &pt );
                    drc.left   = pt.x - ptdif.x;
                    drc.top    = pt.y - ptdif.y;
                    drc.right  = drc.left + rc.right;
                    drc.bottom = drc.top + rc.bottom;
                    DrawUIBorder(&drc);
                }
                else if (dwMouse & FIM_CAPUTURED)
                {
                    DrawUIBorder(&drc);
                    SetWindowLong(hStatusWnd,FIGWL_MOUSE,dwMouse | FIM_MOVED);
                }
            }
            else
            {
                GetCursorPos(&pt);
                dwTemp = CheckPushedStatus(hStatusWnd,&pt);
                if ((dwTemp ^ dwCurrentPushedStatus) & dwPushedStatus)
                    PaintStatus(hStatusWnd,hDC,&pt, dwPushedStatus & dwTemp);
                dwCurrentPushedStatus = dwTemp;
            }
            break;

        case WM_RBUTTONUP:
            dwMouse = GetWindowLong(hStatusWnd,FIGWL_MOUSE);
            if (dwMouse & FIM_CAPUTURED)
            {
                ReleaseCapture();
                if (dwMouse & FIM_MOVED)
                {
                    DrawUIBorder(&drc);
                    GetCursorPos( &pt );
                    MoveWindow(hStatusWnd,pt.x - ptdif.x,
                                    pt.y - ptdif.y,
                                    rc.right,
                                    rc.bottom,TRUE);
                }
            }
            PaintStatus(hStatusWnd,hDC,NULL,0);

            hSvrWnd = (HWND)GetWindowLongPtr(hStatusWnd,FIGWL_SVRWND);

            hMenu = LoadMenu(hInst, TEXT("RIGHTCLKMENU"));
            if (hMenu && (hIMC = (HIMC)GetWindowLongPtr(hSvrWnd,IMMGWLP_IMC)))
            {
                int cmd;
                POINT pt;
                HMENU hSubMenu = GetSubMenu(hMenu, 0);

                pt.x = (int)LOWORD(lParam), 
                pt.y = (int)HIWORD(lParam), 

                ClientToScreen(hStatusWnd, &pt);

                cmd = TrackPopupMenu(hSubMenu, 
                                     TPM_RETURNCMD, 
                                     pt.x,
                                     pt.y,
                                     0, 
                                     hStatusWnd, 
                                     NULL);
                switch (cmd)
                {
                    case IDM_RECONVERT:
                    {
                        DWORD dwSize = (DWORD) MyImmRequestMessage(hIMC, IMR_RECONVERTSTRING, 0);
                        if (dwSize)
                        {
                            LPRECONVERTSTRING lpRS;

                            lpRS = (LPRECONVERTSTRING)GlobalAlloc(GPTR, dwSize);
                            lpRS->dwSize = dwSize;

                            if (dwSize = (DWORD) MyImmRequestMessage(hIMC, IMR_RECONVERTSTRING, (LPARAM)lpRS)) {

#ifdef DEBUG
{
    TCHAR szDev[80];
    LPMYSTR lpDump= (LPMYSTR)(((LPSTR)lpRS) + lpRS->dwStrOffset);
    *(LPMYSTR)(lpDump + lpRS->dwStrLen) = MYTEXT('\0');

    OutputDebugString(TEXT("IMR_RECONVERTSTRING\r\n"));
    wsprintf(szDev, TEXT("dwSize            %x\r\n"), lpRS->dwSize);
    OutputDebugString(szDev);
    wsprintf(szDev, TEXT("dwVersion         %x\r\n"), lpRS->dwVersion);
    OutputDebugString(szDev);
    wsprintf(szDev, TEXT("dwStrLen          %x\r\n"), lpRS->dwStrLen);
    OutputDebugString(szDev);
    wsprintf(szDev, TEXT("dwStrOffset       %x\r\n"), lpRS->dwStrOffset);
    OutputDebugString(szDev);
    wsprintf(szDev, TEXT("dwCompStrLen      %x\r\n"), lpRS->dwCompStrLen);
    OutputDebugString(szDev);
    wsprintf(szDev, TEXT("dwCompStrOffset   %x\r\n"), lpRS->dwCompStrOffset);
    OutputDebugString(szDev);
    wsprintf(szDev, TEXT("dwTargetStrLen    %x\r\n"), lpRS->dwTargetStrLen);
    OutputDebugString(szDev);
    wsprintf(szDev, TEXT("dwTargetStrOffset %x\r\n"), lpRS->dwTargetStrOffset);
    OutputDebugString(szDev);
    MyOutputDebugString(lpDump);
    OutputDebugString(TEXT("\r\n"));
}
#endif
                                MyImmRequestMessage(hIMC, IMR_CONFIRMRECONVERTSTRING, (LPARAM)lpRS);
                            }
#ifdef DEBUG
                            else
                                OutputDebugString(TEXT("ImmRequestMessage returned 0\r\n"));
#endif
                            GlobalFree((HANDLE)lpRS);
                        }
                        break;
                    }

                    case IDM_ABOUT:
                        ImmConfigureIME(GetKeyboardLayout(0), NULL, IME_CONFIG_GENERAL, 0);
                        break;

                    default:
                        break;
                }

            }
            if (hMenu)
                DestroyMenu(hMenu);

            break;

        case WM_LBUTTONUP:
            dwMouse = GetWindowLong(hStatusWnd,FIGWL_MOUSE);
            if (dwMouse & FIM_CAPUTURED)
            {
                ReleaseCapture();
                if (dwMouse & FIM_MOVED)
                {
                    DrawUIBorder(&drc);
                    GetCursorPos( &pt );
                    MoveWindow(hStatusWnd,pt.x - ptdif.x,
                                    pt.y - ptdif.y,
                                    rc.right,
                                    rc.bottom,TRUE);
                }
            }
            hSvrWnd = (HWND)GetWindowLongPtr(hStatusWnd,FIGWL_SVRWND);

            if (hIMC = (HIMC)GetWindowLongPtr(hSvrWnd,IMMGWLP_IMC))
            {
                GetCursorPos(&pt);
                dwPushedStatus = GetWindowLong(hStatusWnd, FIGWL_PUSHSTATUS);
                dwPushedStatus &= CheckPushedStatus(hStatusWnd,&pt);
                if (!dwPushedStatus) {
                } else if (dwPushedStatus == PUSHED_STATUS_CLOSE) {
                } else if (dwPushedStatus == PUSHED_STATUS_HDR)
                {
                    fOpen = ImmGetOpenStatus(hIMC);
                    fOpen = !fOpen;
                    ImmSetOpenStatus(hIMC,fOpen);
                }
                else
                {
                    ImmGetConversionStatus(hIMC,&fdwConversion,&dwTemp);
                    fdwConversion = GetUINextMode(fdwConversion,dwPushedStatus);
                    ImmSetConversionStatus(hIMC,fdwConversion,dwTemp);
                }
            }
            PaintStatus(hStatusWnd,hDC,NULL,0);
            break;
    }
    ReleaseDC(hStatusWnd,hDC);
}
/**********************************************************************/
/*                                                                    */
/* UpdateStatusWindow(lpUIExtra)                                      */
/*                                                                    */
/**********************************************************************/
void PASCAL UpdateStatusWindow(LPUIEXTRA lpUIExtra)
{
    if (IsWindow(lpUIExtra->uiStatus.hWnd))
        SendMessage(lpUIExtra->uiStatus.hWnd,WM_UI_UPDATE,0,0L);
}