xref: /reactos/dll/cpl/desk/advappdlg.c (revision c2c66aff)

/*
 * COPYRIGHT:       See COPYING in the top level directory
 * PROJECT:         ReactOS Display Control Panel
 * FILE:            dll/cpl/desk/advappdlg.c
 * PURPOSE:         Advanced appearance dialog
 *
 * PROGRAMMER:      Timo Kreuzer (timo[dot]kreuzer[at]web[dot]de)
 *
 */

#include "desk.h"

/******************************************************************************/

typedef struct
{
    int Size;
    int Size2;
    int Color1;
    int Color2;
    int Font;
    int FontColor;
} ASSIGNMENT;

/* This const assigns the color and metric numbers to the elements from the elements list */

/*   Size 1 (width)          Size 2 (height)     Color 1                  Color 2                         Font             Fontcolor */
const ASSIGNMENT g_Assignment[NUM_ELEMENTS] =
{
    {-1,                     -1,                 COLOR_DESKTOP,           -1,                             -1,              -1},                 /* Desktop */
    {SIZE_CAPTION_HEIGHT,    -1,                 COLOR_INACTIVECAPTION,   COLOR_GRADIENTINACTIVECAPTION,  FONT_CAPTION,    COLOR_INACTIVECAPTIONTEXT},/* inactive window caption */
    {SIZE_BORDER_WIDTH,      -1,                 COLOR_INACTIVEBORDER,    -1,                             -1,              -1},                 /* inactive window border */
    {SIZE_CAPTION_HEIGHT,    -1,                 COLOR_ACTIVECAPTION,     COLOR_GRADIENTACTIVECAPTION,    FONT_CAPTION,    COLOR_CAPTIONTEXT},  /* active window caption */
    {SIZE_BORDER_WIDTH,      -1,                 COLOR_ACTIVEBORDER,      -1,                             -1,              -1},                 /* active window border */
    {SIZE_MENU_HEIGHT,       SIZE_MENU_WIDTH,    COLOR_MENU,              COLOR_MENUHILIGHT,              FONT_MENU,       COLOR_MENUTEXT},     /* menu */
    {SIZE_MENU_HEIGHT,       SIZE_MENU_WIDTH,    COLOR_HIGHLIGHT,         -1,                             -1,              COLOR_HIGHLIGHTTEXT},/* marked element */
    {-1,                     -1,                 COLOR_WINDOW,            -1 /*COLOR_WINDOWFRAME*/,       -1,              COLOR_WINDOWTEXT},   /* window */
    {SIZE_SCROLL_WIDTH,      SIZE_SCROLL_HEIGHT, COLOR_SCROLLBAR,         -1,                             -1,              -1},                 /* scroll bar */
    {-1,                     -1,                 COLOR_3DFACE,            -1,                             -1,              COLOR_BTNTEXT},      /* 3d objects */
    {SIZE_SM_CAPTION_HEIGHT, -1,                 -1,                      -1,                             FONT_SMCAPTION,  -1},                 /* palette (small) window caption */
    {SIZE_CAPTION_HEIGHT,    -1,                 -1,                      -1,                             -1,              -1},                 /* caption bar buttons */
    {-1,                     -1,                 -1,                      -1,                             FONT_MESSAGE,    COLOR_WINDOWTEXT},   /* dialog */
    {-1,                     -1,                 COLOR_APPWORKSPACE,      -1,                             -1,              -1},                 /* application background */
    {SIZE_ICON_SPACE_X,      -1,                 -1,                      -1,                             -1,              -1},                 /* icon distance horiz. */
    {SIZE_ICON_SPACE_Y,      -1,                 -1,                      -1,                             -1,              -1},                 /* icon distance vert. */
    {-1,                     -1,                 COLOR_INFOBK,            -1,                             FONT_STATUS,     COLOR_INFOTEXT},     /* quickinfo */
    {SIZE_ICON,              -1,                 -1,                      -1,                             FONT_ICON,       -1},                 /* icon */
//  {-1,                     -1,                 -1,                      -1,                             -1,              COLOR_GRAYTEXT},     /* inactive menu item -- FIXME: Access? */
};

/******************************************************************************/

/* Draw the current color on the color picker buttons */
static VOID
UpdateButtonColor(HWND hwndDlg, GLOBALS* g, INT ID, INT nButton, INT nColor)
{
    HDC hdcColorButton, hdcCompat;
    RECT rect;
    HBRUSH hbrush;
    HWND hwndColorButton;
    HGDIOBJ hgdiTmp;

    if (nColor != -1)
    {
        /* Create a DC to draw on */
        hwndColorButton = GetDlgItem(hwndDlg, ID);
        hdcColorButton = GetDC(hwndColorButton);
        hdcCompat = CreateCompatibleDC(hdcColorButton);
        ReleaseDC(hwndColorButton, hdcColorButton);

        /* Select the button image to it */
        hgdiTmp = SelectObject(hdcCompat, g->hbmpColor[nButton]);

        /* Create a brush and draw the rectangle */
        rect.left = 2;
        rect.top = 2;
        rect.right = 22;
        rect.bottom = 13;
        hbrush = CreateSolidBrush(g->SchemeAdv.crColor[nColor]);
        FillRect(hdcCompat, &rect, hbrush);
        DeleteObject(hbrush);

        /* hdcCompat is not needed anymore */
        SelectObject(hdcCompat,hgdiTmp);
        DeleteDC(hdcCompat);

        SendDlgItemMessage(hwndDlg, ID, BM_SETIMAGE, (WPARAM)IMAGE_BITMAP, (LPARAM)g->hbmpColor[nButton]);
        EnableWindow(GetDlgItem(hwndDlg, ID), TRUE);
    }
    else
    {
        SendDlgItemMessage(hwndDlg, ID, BM_SETIMAGE, (WPARAM)IMAGE_BITMAP, (LPARAM)NULL);
        EnableWindow(GetDlgItem(hwndDlg, ID), FALSE);
    }
}


/* Create the basic bitmaps for the color picker buttons */
static VOID
InitColorButtons(HWND hwndDlg, GLOBALS* g)
{
    INT i;
    HDC hdcColorButton, hdcCompat;
    RECT rect;
    HBRUSH hbrush;
    HPEN hPen;
    HWND hwndColorButton;
    HGDIOBJ hgdiTemp;
    COLOR_SCHEME *scheme = &g->SchemeAdv;

    const POINT Points[3] = {{29,6},{33,6},{31,8}};

    hwndColorButton = GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_COLOR1_B);
    hdcColorButton = GetDC(hwndColorButton);
    for (i = 0; i <= 2; i++)
    {
        /* Create a DC to draw on */
        hdcCompat = CreateCompatibleDC(hdcColorButton);

        /* Create the button image */
        g->hbmpColor[i] = CreateCompatibleBitmap(hdcColorButton, 36, 15);

        /* Select the button image to the DC */
        hgdiTemp = SelectObject(hdcCompat, g->hbmpColor[i]);

        /* Draw the buttons background color */
        rect.left = 0;
        rect.top = 0;
        rect.right = 36;
        rect.bottom = 15;
        hbrush = CreateSolidBrush(scheme->crColor[COLOR_BTNFACE]);
        FillRect(hdcCompat, &rect, hbrush);
        DeleteObject(hbrush);

        /* Draw the rectangle */
        rect.left = 1;
        rect.top = 1;
        rect.right = 23;
        rect.bottom = 14;
        hbrush = CreateSolidBrush(scheme->crColor[COLOR_BTNTEXT]);
        FillRect(hdcCompat, &rect, hbrush);
        DeleteObject(hbrush);

        /* Draw left side of line */
        hPen = CreatePen(PS_SOLID, 1, scheme->crColor[COLOR_BTNSHADOW]);
        SelectObject(hdcCompat, hPen);
        MoveToEx(hdcCompat, 26, 1, NULL);
        LineTo(hdcCompat, 26, 14);
        SelectObject(hdcCompat, GetStockObject(BLACK_PEN));
        DeleteObject(hPen);

        /* Draw right side of line */
        hPen = CreatePen(PS_SOLID, 1, scheme->crColor[COLOR_BTNHIGHLIGHT]);
        SelectObject(hdcCompat,hPen);
        MoveToEx(hdcCompat, 27, 1, NULL);
        LineTo(hdcCompat, 27, 14);
        SelectObject(hdcCompat, GetStockObject(BLACK_PEN));
        DeleteObject(hPen);

        /* Draw triangle */
        hPen = CreatePen(PS_SOLID, 1, scheme->crColor[COLOR_BTNTEXT]);
        hbrush = CreateSolidBrush(scheme->crColor[COLOR_BTNTEXT]);
        SelectObject(hdcCompat, hPen);
        SelectObject(hdcCompat, hbrush);
        SetPolyFillMode(hdcCompat, WINDING);

        /* FIXME: HACK, see Points definition */
        Polygon(hdcCompat, Points, 3);

        /* Cleanup */
        SelectObject(hdcCompat,hgdiTemp);
        DeleteDC(hdcCompat);
        DeleteObject(hPen);
        DeleteObject(hbrush);
    }

    ReleaseDC(hwndColorButton, hdcColorButton);

    /* Set the images of the buttons */
    SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_COLOR1_B, BM_SETIMAGE, (WPARAM)IMAGE_BITMAP, (LPARAM)g->hbmpColor[0]);
    SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_COLOR2_B, BM_SETIMAGE, (WPARAM)IMAGE_BITMAP, (LPARAM)g->hbmpColor[1]);
    SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTCOLOR_B, BM_SETIMAGE, (WPARAM)IMAGE_BITMAP, (LPARAM)g->hbmpColor[2]);
}


/* This is the callback function to add the installed fonts to the font combo */
static int CALLBACK
EnumFontFamExProc(ENUMLOGFONTEX *lpelfe, NEWTEXTMETRICEX *lpntme, DWORD dwFontType, LPARAM lParam)
{
    /* Don't enumerate more than 100 fonts */
    if (SendMessage((HWND)lParam, CB_GETCOUNT, 0, 0) >= 100)
        return 0;

    /* Only add the string once */
    if (SendMessage((HWND)lParam, CB_FINDSTRINGEXACT, -1, (WPARAM)&(lpelfe->elfLogFont.lfFaceName)) != CB_ERR)
        return 2;

    SendMessage((HWND)lParam, CB_ADDSTRING, 0, (WPARAM)&(lpelfe->elfLogFont.lfFaceName));

    return 1;
}


/* Update all the controls with the current values for the selected screen element */
static VOID
UpdateControls(HWND hwndDlg, GLOBALS *g)
{
    INT iElement;
    HDC hdcDlg;

    iElement = g->CurrentElement;

    /* First enable / disable the controls */
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_SIZE_E), (g_Assignment[iElement].Size != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_SIZE_UD), (g_Assignment[iElement].Size != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_SIZE_T), (g_Assignment[iElement].Size != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_COLOR1_T), (g_Assignment[iElement].Color1 != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_COLOR2_T), (g_Assignment[iElement].Color2 != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_FONT_T), (g_Assignment[iElement].Font != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_FONT_C), (g_Assignment[iElement].Font != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_FONTSIZE_T), (g_Assignment[iElement].Font != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_FONTSIZE_E), (g_Assignment[iElement].Font != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_FONTCOLOR_T), (g_Assignment[iElement].FontColor != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_FONTBOLD), (g_Assignment[iElement].Font != -1));
    EnableWindow(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_FONTITALIC), (g_Assignment[iElement].Font != -1));

    /* Update the colors of the color buttons */
    UpdateButtonColor(hwndDlg, g, IDC_ADVAPPEARANCE_COLOR1_B, 0, g_Assignment[iElement].Color1);
    UpdateButtonColor(hwndDlg, g, IDC_ADVAPPEARANCE_COLOR2_B, 1, g_Assignment[iElement].Color2);
    UpdateButtonColor(hwndDlg, g, IDC_ADVAPPEARANCE_FONTCOLOR_B, 2, g_Assignment[iElement].FontColor);

    if (g_Assignment[iElement].Size != -1)
        SetDlgItemInt(hwndDlg, IDC_ADVAPPEARANCE_SIZE_E,  SchemeGetMetric(&g->SchemeAdv, g_Assignment[iElement].Size), FALSE);
    else
        SetDlgItemText(hwndDlg, IDC_ADVAPPEARANCE_SIZE_E, TEXT(""));

    hdcDlg = GetDC(hwndDlg);
    if (g_Assignment[iElement].Font != -1)
    {
        PLOGFONTW plfFont = SchemeGetFont(&g->SchemeAdv, g_Assignment[iElement].Font);

        SetDlgItemText(hwndDlg, IDC_ADVAPPEARANCE_FONT_C, plfFont->lfFaceName);
        SetDlgItemInt(hwndDlg, IDC_ADVAPPEARANCE_FONTSIZE_E, -MulDiv(plfFont->lfHeight, 72, GetDeviceCaps(hdcDlg, LOGPIXELSY)), FALSE);
        SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONT_C, CB_FINDSTRINGEXACT, -1, (WPARAM)plfFont->lfFaceName);
        SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTBOLD, BM_SETCHECK, plfFont->lfWeight == FW_BOLD?1:0, 0);
        SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTITALIC, BM_SETCHECK, plfFont->lfItalic, 0);
    }
    else
    {
        SetDlgItemText(hwndDlg, IDC_ADVAPPEARANCE_FONT_C, NULL);
        SetDlgItemText(hwndDlg, IDC_ADVAPPEARANCE_FONTSIZE_E, NULL);
        SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTBOLD, BM_SETCHECK, 0, 0);
        SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTITALIC, BM_SETCHECK, 0, 0);
    }

    ReleaseDC(hwndDlg, hdcDlg);
}


static VOID
SaveCurrentValues(HWND hwndDlg, GLOBALS *g)
{
    BOOL bTranslated;
    HDC hdcDlg = GetDC(hwndDlg);

    if (g_Assignment[g->CurrentElement].Size != -1)
    {
        SchemeSetMetric(&g->SchemeAdv, g_Assignment[g->CurrentElement].Size, GetDlgItemInt(hwndDlg, IDC_ADVAPPEARANCE_SIZE_E, &bTranslated, FALSE));
    }

    if (g_Assignment[g->CurrentElement].Font != -1)
    {
        PLOGFONTW plfFont = SchemeGetFont(&g->SchemeAdv, g_Assignment[g->CurrentElement].Font);
        plfFont->lfHeight = -MulDiv(GetDlgItemInt(hwndDlg, IDC_ADVAPPEARANCE_FONTSIZE_E, &bTranslated, FALSE), GetDeviceCaps(hdcDlg, LOGPIXELSY), 72);
        plfFont->lfWeight = (SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTBOLD, BM_GETCHECK, 0, 0) == 1) ? FW_BOLD : FW_NORMAL;
        plfFont->lfItalic = (BYTE)SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTITALIC, BM_GETCHECK, 0, 0);
        GetDlgItemText(hwndDlg, IDC_ADVAPPEARANCE_FONT_C, plfFont->lfFaceName, LF_FACESIZE);
    }

    ReleaseDC(hwndDlg, hdcDlg);
}


/* Select a color using a color picker */
static BOOL
GetColor(HWND hwndDlg, GLOBALS* g, INT nButton)
{
    CHOOSECOLOR cc;
    COLORREF crCustom[16] = { 0 };
    COLORREF crColor;
    INT ID = 0;
    INT ColorIndex = 0;

    /* Get the color index from the element index and button number */
    switch (nButton)
    {
        case 0:
            ColorIndex = g_Assignment[g->CurrentElement].Color1;
            ID = IDC_ADVAPPEARANCE_COLOR1_B;
            break;

        case 1:
            ColorIndex = g_Assignment[g->CurrentElement].Color2;
            ID = IDC_ADVAPPEARANCE_COLOR2_B;
            break;

        case 2:
            ColorIndex = g_Assignment[g->CurrentElement].FontColor;
            ID = IDC_ADVAPPEARANCE_FONTCOLOR_B;
            break;
    }

    crColor = g->SchemeAdv.crColor[ColorIndex];

    /* Prepare cc structure */
    cc.lStructSize = sizeof(CHOOSECOLOR);
    cc.hwndOwner = hwndDlg;
    cc.hInstance = NULL;
    cc.rgbResult = crColor;
    cc.lpCustColors = crCustom;
    cc.Flags = CC_ANYCOLOR | CC_FULLOPEN | CC_RGBINIT;
    cc.lCustData = 0;
    cc.lpfnHook = NULL;
    cc.lpTemplateName = NULL;

    /* Create the colorpicker */
    if (ChooseColor(&cc))
    {
        g->SchemeAdv.crColor[ColorIndex] = cc.rgbResult;
        if (crColor != cc.rgbResult)
        {
            UpdateButtonColor(hwndDlg, g, ID, nButton, ColorIndex);
            SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_UPDATETHEME, 0, (LPARAM)&g->SchemeAdv);
            return TRUE;
        }
    }

    return FALSE;
}


/* Initialize the advanced appearance dialog */
static VOID
AdvAppearanceDlg_Init(HWND hwndDlg, GLOBALS *g)
{
    INT i, iElement, iListIndex, iDeskIndex = 0;
    TCHAR tstrText[80];
    LOGFONT lfFont;
    LOGFONT lfButtonFont;
    HFONT hMyFont;
    HDC hScreenDC;
    TCHAR Size[4];

    /* Copy the current theme values */
    g->SchemeAdv = g->Scheme;

    SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_UPDATETHEME, 0, (LPARAM)&g->SchemeAdv);

    /* Add the elements to the combo */
    for (iElement = 0; iElement < NUM_ELEMENTS; iElement++)
    {
        LoadString(hApplet, IDS_ELEMENT_0 + iElement, (LPTSTR)&tstrText, 79);
        iListIndex = SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_ELEMENT, CB_ADDSTRING, 0, (LPARAM)&tstrText);
        SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_ELEMENT, CB_SETITEMDATA, (WPARAM)iListIndex, (LPARAM)iElement);
    }

    /* Get the list index of the desktop element */
    for (iListIndex = 0; iListIndex < NUM_ELEMENTS; iListIndex++)
    {
        iElement = SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_ELEMENT, CB_GETITEMDATA, (WPARAM)iListIndex, 0);
        if (iElement == 0)
        {
            iDeskIndex = iListIndex;
            break;
        }
    }

    SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_ELEMENT, CB_SETCURSEL, iDeskIndex, 0);

    /* Create font for bold button */
    lfButtonFont = g->Scheme.ncMetrics.lfMessageFont;
    lfButtonFont.lfWeight = FW_BOLD;
    lfButtonFont.lfItalic = FALSE;
    hMyFont = CreateFontIndirect(&lfButtonFont);
    if (hMyFont)
    {
        if (g->hBoldFont)
            DeleteObject(g->hBoldFont);

        g->hBoldFont = hMyFont;
    }

    /* Create font for italic button */
    lfButtonFont.lfWeight = FW_REGULAR;
    lfButtonFont.lfItalic = TRUE;
    hMyFont = CreateFontIndirect(&lfButtonFont);
    if (hMyFont)
    {
        if (g->hItalicFont)
            DeleteObject(g->hItalicFont);

        g->hItalicFont = hMyFont;
    }

    /* Set the fonts for the font style buttons */
    SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTBOLD, WM_SETFONT, (WPARAM)g->hBoldFont, (LPARAM)TRUE);
    SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTITALIC, WM_SETFONT, (WPARAM)g->hItalicFont, (LPARAM)TRUE);

    /* Draw Bitmaps for the colorbuttons */
    InitColorButtons(hwndDlg, g);

    /* Make the UpDown control count correctly */
    SendMessage(GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_SIZE_UD), UDM_SETRANGE, 0L, MAKELONG (200, 1));

    /* Fill font selection combo */
    lfFont.lfCharSet = DEFAULT_CHARSET;
    lfFont.lfFaceName[0] = (TCHAR)0;
    lfFont.lfPitchAndFamily = 0;
    hScreenDC = GetDC(0);
    EnumFontFamiliesEx(hScreenDC, &lfFont, (FONTENUMPROC)EnumFontFamExProc, (LPARAM)GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_FONT_C), 0);
    ReleaseDC(0, hScreenDC);

    /* Fill font size combo */
    for (i = 6; i <= 24; i++)
    {
        StringCbPrintf(Size, sizeof(Size), TEXT("%d"), i);
        SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTSIZE_E, CB_ADDSTRING, 0, (LPARAM)&Size);
    }

    /* Update the controls */
    iListIndex = SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_ELEMENT, CB_GETCURSEL, 0, 0);
    g->CurrentElement = SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_ELEMENT, CB_GETITEMDATA, (WPARAM)iListIndex, 0);
    UpdateControls(hwndDlg, g);
}


static VOID
AdvAppearanceDlg_CleanUp(HWND hwndDlg, GLOBALS* g)
{
    DeleteObject(g->hBoldFont);
    DeleteObject(g->hItalicFont);
}


static VOID
SelectComboByElement(HWND hwnd, INT id, LPARAM lParam)
{
    INT nCount;
    INT i;

    nCount = SendDlgItemMessage(hwnd, id, CB_GETCOUNT, 0, 0);
    if (nCount == CB_ERR)
        return;

    for (i = 0; i < nCount; i++)
    {
        if (SendDlgItemMessage(hwnd, id, CB_GETITEMDATA, (WPARAM)i, 0) == lParam)
        {
            SendDlgItemMessage(hwnd, id, CB_SETCURSEL, (WPARAM)i, 0);
            break;
        }
    }
}


static VOID
GetSelectedComboText(HWND hwnd, INT id, LPWSTR lpStr)
{
    INT nCount;

    nCount = SendDlgItemMessage(hwnd, id, CB_GETCURSEL, 0, 0);
    if (nCount == CB_ERR)
    {
        *lpStr = 0;
        return;
    }

    nCount = SendDlgItemMessage(hwnd, id, CB_GETLBTEXT, (WPARAM)nCount, (LPARAM)lpStr);
    if (nCount == CB_ERR)
    {
        *lpStr = 0;
    }
}


static INT
GetSelectedComboInt(HWND hwnd, INT id)
{
    TCHAR szBuffer[80];
    INT nCount;

    nCount = SendDlgItemMessage(hwnd, id, CB_GETCURSEL, 0, 0);
    if (nCount == CB_ERR)
        return 0;

    nCount = SendDlgItemMessage(hwnd, id, CB_GETLBTEXT, (WPARAM)nCount, (LPARAM)szBuffer);
    if (nCount == CB_ERR)
        return 0;

    return _ttoi(szBuffer);
}

INT_PTR CALLBACK
AdvAppearanceDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    INT iSelection, iProperty;
    GLOBALS* g;
    PLOGFONTW plfFont;

    g = (GLOBALS*)GetWindowLongPtr(hwndDlg, DWLP_USER);

    switch (uMsg)
    {
        case WM_INITDIALOG:
            g = (GLOBALS*)lParam;
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)g);
            AdvAppearanceDlg_Init(hwndDlg, g);
            break;

        case WM_DESTROY:
            AdvAppearanceDlg_CleanUp(hwndDlg, g);
            break;

        case WM_COMMAND:
            if (g == NULL)
                return TRUE;

            switch(LOWORD(wParam))
            {
                case IDOK:
                    SaveCurrentValues(hwndDlg, g);
                    EndDialog(hwndDlg, IDOK);
                    break;

                case IDCANCEL:
                    g->SchemeAdv = g->Scheme;
                    EndDialog(hwndDlg, IDCANCEL);
                    break;

                case IDC_APPEARANCE_PREVIEW:
                    SaveCurrentValues(hwndDlg, g);
                    SelectComboByElement(hwndDlg, IDC_ADVAPPEARANCE_ELEMENT, lParam);
                    g->CurrentElement = (INT)lParam;
                    UpdateControls(hwndDlg, g);
                    break;

                case IDC_ADVAPPEARANCE_ELEMENT:
                    if (HIWORD(wParam) == CBN_SELCHANGE)
                    {
                        SaveCurrentValues(hwndDlg, g);
                        iSelection = SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_ELEMENT, CB_GETCURSEL, 0, 0);
                        g->CurrentElement = SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_ELEMENT, CB_GETITEMDATA, iSelection, 0);
                        UpdateControls(hwndDlg, g);
                    }
                    break;

                case IDC_ADVAPPEARANCE_SIZE_E:
                    if (HIWORD(wParam) == EN_CHANGE)
                    {
                        iProperty = g_Assignment[g->CurrentElement].Size;
                        if (iProperty == -1)
                            return TRUE;

                        iSelection = LOWORD(SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_SIZE_UD, UDM_GETPOS,0,0L));
                        SchemeSetMetric(&g->SchemeAdv, iProperty, iSelection);
                        SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_SETSIZE, iProperty, iSelection);

                        iProperty = g_Assignment[g->CurrentElement].Size2;
                        if (iProperty != -1)
                            SchemeSetMetric(&g->SchemeAdv, iProperty, iSelection);
                    }
                    break;

                case IDC_ADVAPPEARANCE_FONT_C:
                    if (HIWORD(wParam) == CBN_SELCHANGE)
                    {
                        iProperty = g_Assignment[g->CurrentElement].Font;
                        if (iProperty == -1)
                            return TRUE;

                        plfFont = SchemeGetFont(&g->SchemeAdv, iProperty);
                        GetSelectedComboText(hwndDlg, IDC_ADVAPPEARANCE_FONT_C, plfFont->lfFaceName);
                        SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_SETFONT, iProperty, (LPARAM)plfFont);
                    }
                    break;

                case IDC_ADVAPPEARANCE_FONTSIZE_E:
                    if ((HIWORD(wParam) == CBN_SELCHANGE || HIWORD(wParam) == CBN_EDITCHANGE))
                    {
                        HDC hdcDlg;

                        iProperty =  g_Assignment[g->CurrentElement].Font;
                        if (iProperty == -1)
                            return TRUE;

                        hdcDlg = GetDC(hwndDlg);

                        plfFont = SchemeGetFont(&g->SchemeAdv, iProperty);
                        iSelection = GetSelectedComboInt(hwndDlg, IDC_ADVAPPEARANCE_FONTSIZE_E);
                        plfFont->lfHeight = -MulDiv(iSelection , GetDeviceCaps(hdcDlg, LOGPIXELSY), 72);
                        SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_UPDATETHEME, 0, (LPARAM)&g->SchemeAdv);

                        ReleaseDC(hwndDlg, hdcDlg);
                    }
                    break;

                case IDC_ADVAPPEARANCE_FONTBOLD:
                    if (HIWORD(wParam) == BN_CLICKED)
                    {
                        iProperty = g_Assignment[g->CurrentElement].Font;
                        if (iProperty == -1)
                            return TRUE;

                        plfFont = SchemeGetFont(&g->SchemeAdv, iProperty);
                        iSelection = (INT)SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTBOLD, BM_GETCHECK, 0, 0);
                        plfFont->lfWeight = (iSelection == BST_CHECKED) ? FW_BOLD : FW_NORMAL;
                        SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_SETFONT, iProperty, (LPARAM)plfFont);
                    }
                    break;

                case IDC_ADVAPPEARANCE_FONTITALIC:
                    if (HIWORD(wParam) == BN_CLICKED)
                    {
                        iProperty = g_Assignment[g->CurrentElement].Font;
                        if (iProperty == -1)
                            return TRUE;

                        plfFont = SchemeGetFont(&g->SchemeAdv, iProperty);
                        iSelection = (INT)SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTITALIC, BM_GETCHECK, 0, 0);
                        plfFont->lfItalic = (iSelection == BST_CHECKED) ? TRUE : FALSE;
                        SendDlgItemMessage(hwndDlg, IDC_APPEARANCE_PREVIEW, PVM_SETFONT, iProperty, (LPARAM)plfFont);
                    }
                    break;

                case IDC_ADVAPPEARANCE_COLOR1_B:
                    GetColor(hwndDlg, g, 0);
                    break;

                case IDC_ADVAPPEARANCE_COLOR2_B:
                    GetColor(hwndDlg, g, 1);
                    break;

                case IDC_ADVAPPEARANCE_FONTCOLOR_B:
                    GetColor(hwndDlg, g, 2);
                    break;

                default:
                    return FALSE;
            }
            break;

        default:
            return FALSE;
    }

    return TRUE;
}