advappdlg.c

winNT技术操作系统,国外开放的原代码和LIUX一样

/* $Id: advappdlg.c 24836 2007-02-12 03:12:56Z tkreuzer $
 *
 * 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"
#include "appearance.h"
#include "preview.h"



/* 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;
	COLORREF crColor = g->ThemeAdv.crColor[nColor];
	HGDIOBJ hgdiTmp;

	if (nColor != -1)
	{
		/* Create a DC to draw on */
		hwndColorButton = GetDlgItem(hwndDlg, IDC_ADVAPPEARANCE_COLOR1_B);
		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(crColor);
		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;

	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(g->crCOLOR_BTNFACE);
		FillRect(hdcCompat, &rect, hbrush);
		DeleteObject(hbrush);

		/* Draw the rectangle */
		rect.left = 1;
		rect.top = 1;
		rect.right = 23;
		rect.bottom = 14;
		hbrush = CreateSolidBrush(g->crCOLOR_BTNTEXT);
		FillRect(hdcCompat, &rect, hbrush);
		DeleteObject(hbrush);

		/* Draw left side of line */
		hPen = CreatePen(PS_SOLID, 1, g->crCOLOR_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, g->crCOLOR_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, g->crCOLOR_BTNTEXT);
		hbrush = CreateSolidBrush(g->crCOLOR_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, g->ThemeAdv.Size[g_Assignment[iElement].Size], FALSE);
	else
		SetDlgItemText(hwndDlg, IDC_ADVAPPEARANCE_SIZE_E, TEXT(""));

	hdcDlg = GetDC(hwndDlg);
	if (g_Assignment[iElement].Font != -1)
	{
		LOGFONT lfFont = g->ThemeAdv.lfFont[g_Assignment[iElement].Font];

		SetDlgItemText(hwndDlg, IDC_ADVAPPEARANCE_FONT_C, lfFont.lfFaceName);
		SetDlgItemInt(hwndDlg, IDC_ADVAPPEARANCE_FONTSIZE_E, -MulDiv(g->ThemeAdv.lfFont[g_Assignment[iElement].Font].lfHeight, 72, GetDeviceCaps(hdcDlg, LOGPIXELSY)),FALSE);
		SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONT_C, CB_FINDSTRINGEXACT, -1, (WPARAM)lfFont.lfFaceName);
		SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTBOLD, BM_SETCHECK, g->ThemeAdv.lfFont[g_Assignment[iElement].Font].lfWeight == FW_BOLD?1:0, 0);
		SendDlgItemMessage(hwndDlg, IDC_ADVAPPEARANCE_FONTITALIC, BM_SETCHECK, g->ThemeAdv.lfFont[g_Assignment[iElement].Font].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)
	{
		g->ThemeAdv.Size[g_Assignment[g->CurrentElement].Size] = GetDlgItemInt(hwndDlg, IDC_ADVAPPEARANCE_SIZE_E, &bTranslated, FALSE);
	}

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

	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->ThemeAdv.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->ThemeAdv.crColor[ColorIndex] = cc.rgbResult;
		if (crColor != cc.rgbResult)
		{
			UpdateButtonColor(hwndDlg, g, ID, nButton, ColorIndex);