controls/button.c - wine - Git at Google

 /* File: button.c -- MS-Windows(tm) compatible "Button" replacement widget
  *
  *                   programmed by Johannes Ruscheinski for the Linux WABI
  *                   project.
  *		     (C) 1993 by Johannes Ruscheinski
  *
  *                   Modifications by David Metcalfe
  */

 #include <windows.h>
 #include "win.h"

 LONG ButtonWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam);

 static COLORREF color_windowframe, color_btnface, color_btnshadow,
 		color_btntext, color_btnhighlight;

 static BOOL pressed;

 #define NOTIFY_PARENT(hWndCntrl, wNotifyCode) \
 	SendMessage(GetParent(hWndCntrl), WM_COMMAND, \
 		    GetDlgCtrlID(hWndCntrl), MAKELPARAM(hWndCntrl, wNotifyCode));
 #define DIM(array)	((sizeof array)/(sizeof array[0]))

 static LONG PB_Paint(HWND hWnd);
 static LONG PB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
 static LONG PB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
 static LONG PB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam);
 static void DrawRaisedPushButton(HDC hDC, HWND hButton, RECT rc);
 static void DrawPressedPushButton(HDC hDC, HWND hButton, RECT rc);

 typedef struct
 {
     LONG (*paintfn)();
     LONG (*lButtonDownfn)();
     LONG (*lButtonUpfn)();
     LONG (*lButtonDblClkfn)();
 } BTNFN;

 #define MAX_BTN_TYPE  2

 static BTNFN btnfn[MAX_BTN_TYPE] =
 {
     {
 	(LONG(*)())PB_Paint,                       /* BS_PUSHBUTTON */
 	(LONG(*)())PB_LButtonDown,
 	(LONG(*)())PB_LButtonUp,
 	(LONG(*)())PB_LButtonDblClk
     },
     {
 	(LONG(*)())PB_Paint,                       /* BS_DEFPUSHBUTTON */
 	(LONG(*)())PB_LButtonDown,
 	(LONG(*)())PB_LButtonUp,
 	(LONG(*)())PB_LButtonDblClk
     }
 };


 LONG ButtonWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam)
 {
 	LONG lResult = 0;
 	HDC hDC;
 	RECT rc;

 	WND *wndPtr = WIN_FindWndPtr(hWnd);
 	LONG style = wndPtr->dwStyle & 0x0000000F;

 	switch (uMsg) {
 /*	case WM_GETDLGCODE:
 		lResult = DLGC_BUTTON;
 		break;
 */
 	case WM_ENABLE:
 		InvalidateRect(hWnd, NULL, FALSE);
 		break;

 	case WM_CREATE:
 		if (style < 0L || style >= (LONG)DIM(btnfn))
 		    lResult = -1L;
 		else
 		{
 		    /* initialise colours used for button rendering: */
 		    color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 		    color_btnface      = GetSysColor(COLOR_BTNFACE);
 		    color_btnshadow    = GetSysColor(COLOR_BTNSHADOW);
 		    color_btntext      = GetSysColor(COLOR_BTNTEXT);
 		    color_btnhighlight = GetSysColor(COLOR_BTNHIGHLIGHT);

 		    pressed = FALSE;
 		    lResult = 0L;
 		}
 		break;

 	case WM_PAINT:
 		(btnfn[style].paintfn)(hWnd);
 		break;

 	case WM_LBUTTONDOWN:
 		(btnfn[style].lButtonDownfn)(hWnd, wParam, lParam);
 		break;

 	case WM_LBUTTONUP:
 		(btnfn[style].lButtonUpfn)(hWnd, wParam, lParam);
 		break;

 	case WM_LBUTTONDBLCLK:
 		(btnfn[style].lButtonDblClkfn)(hWnd, wParam, lParam);
 		break;

 	case WM_SETFOCUS:
 		break;

 	case WM_KILLFOCUS:
 		InvalidateRect(hWnd, NULL, FALSE);
 		UpdateWindow(hWnd);
 		break;

 	case WM_SYSCOLORCHANGE:
 		color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 		color_btnface      = GetSysColor(COLOR_BTNFACE);
 		color_btnshadow    = GetSysColor(COLOR_BTNSHADOW);
 		color_btntext      = GetSysColor(COLOR_BTNTEXT);
 		color_btnhighlight = GetSysColor(COLOR_BTNHIGHLIGHT);
 		InvalidateRect(hWnd, NULL, TRUE);
 		break;

 	default:
 		lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
 		break;
 	}

 	GlobalUnlock(hWnd);
 	return lResult;
 }


 /**********************************************************************
  *       Push Button Functions
  */

 static LONG PB_Paint(HWND hWnd)
 {
     PAINTSTRUCT ps;
     RECT rc;
     HDC hDC;

     hDC = BeginPaint(hWnd, &ps);
     GetClientRect(hWnd, &rc);
     if (pressed)
 	DrawPressedPushButton(hDC, hWnd, rc);
     else
 	DrawRaisedPushButton(hDC, hWnd, rc);
     EndPaint(hWnd, &ps);
 }

 static LONG PB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
 {
 /*  SetFocus(hWnd);   */
     SetCapture(hWnd);
     pressed = TRUE;
     InvalidateRect(hWnd, NULL, FALSE);
     UpdateWindow(hWnd);
 }

 static LONG PB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
 {
     RECT rc;

     pressed = FALSE;
     ReleaseCapture();
     GetClientRect(hWnd, &rc);
     if (PtInRect(&rc, MAKEPOINT(lParam)))
 	NOTIFY_PARENT(hWnd, BN_CLICKED);
     InvalidateRect(hWnd, NULL, FALSE);
     UpdateWindow(hWnd);
 }

 static LONG PB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam)
 {
     RECT rc;

     GetClientRect(hWnd, &rc);
     if (PtInRect(&rc, MAKEPOINT(lParam)))
 	NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
 }

 static void DrawRaisedPushButton(HDC hDC, HWND hButton, RECT rc)
 {
 	HPEN hOldPen, hFramePen;
 	HBRUSH hOldBrush, hShadowBrush, hHighlightBrush, hBackgrndBrush;
 	HRGN rgn1, rgn2, rgn;
 	int len;
 	static char text[50+1];
 	POINT points[6];
 	DWORD dwTextSize;
 	int delta;
 	TEXTMETRIC tm;
 	int i;

 	hFramePen = CreatePen(PS_SOLID, 1, color_windowframe);
 	hBackgrndBrush = CreateSolidBrush(color_btnface);

 	hOldPen = (HPEN)SelectObject(hDC, (HANDLE)hFramePen);
 	hOldBrush = (HBRUSH)SelectObject(hDC, (HANDLE)hBackgrndBrush);
 	SetBkMode(hDC, TRANSPARENT);

 	rgn = CreateRectRgn(0, 0,  0,  0);
 	rgn1 = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);

 	SendMessage(GetParent(hButton), WM_CTLCOLOR, (WORD)hDC,
 		    MAKELPARAM(hButton, CTLCOLOR_BTN));
 	Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);

 	/* draw button label, if any: */
 	len = GetWindowText(hButton, text, sizeof text);
 	if (len >= 1) {
 		rc.left--;	rc.bottom--;
 		DrawText(hDC, text, len, &rc,
 			 DT_SINGLELINE | DT_CENTER| DT_VCENTER);
 	}

 	/* draw button highlight */
 	points[0].x = rc.left+2;
 	points[0].y = rc.bottom;
 	points[1].x = rc.left+4;
 	points[1].y = rc.bottom-2;
 	points[2].x = rc.left+4;
 	points[2].y = rc.top+3;
 	points[3].x = rc.right-3;
 	points[3].y = rc.top+3;
 	points[4].x = rc.right-1;
 	points[4].y = rc.top+1;
 	points[5].x = rc.left+2;
 	points[5].y = rc.top+1;
 	hHighlightBrush = CreateSolidBrush(color_btnhighlight);
 	rgn2 = CreatePolygonRgn(points, DIM(points), ALTERNATE);
 	CombineRgn(rgn, rgn1, rgn2, RGN_AND);
 	FillRgn(hDC, rgn2, hHighlightBrush);

 	/* draw button shadow: */
 	points[0].x = rc.left+2;
 	points[0].y = rc.bottom;
 	points[1].x = rc.left+4;
 	points[1].y = rc.bottom-2;
 	points[2].x = rc.right-3;
 	points[2].y = rc.bottom-2;
 	points[3].x = rc.right-3;
 	points[3].y = rc.top+3;
 	points[4].x = rc.right-1;
 	points[4].y = rc.top;
 	points[5].x = rc.right-1;
 	points[5].y = rc.bottom;
 	hShadowBrush = CreateSolidBrush(color_btnshadow);
 	rgn2 = CreatePolygonRgn(points, DIM(points), ALTERNATE);
 	CombineRgn(rgn, rgn1, rgn2, RGN_AND);
 	FillRgn(hDC, rgn2, hShadowBrush);

 #if 0
 	/* do we have the focus? */
 	if (len >= 1 && GetFocus() == hButton) {
 		dwTextSize = GetTextExtent(hDC, text, len);
 		delta = ((rc.right - rc.left) - LOWORD(dwTextSize) + 1) >> 1;
 		rc.left += delta;	rc.right -= delta;
 		GetTextMetrics(hDC, &tm);
 		delta = ((rc.bottom - rc.top) -
 			 tm.tmHeight + tm.tmInternalLeading) >> 1;
 		rc.top += delta; 	rc.bottom -= delta;
 		DrawFocusRect(hDC, &rc);
 	}
 #endif

 	SelectObject(hDC, (HANDLE)hOldPen);
 	SelectObject(hDC, (HANDLE)hOldBrush);
 	DeleteObject((HANDLE)hFramePen);
 	DeleteObject((HANDLE)hShadowBrush);
 	DeleteObject((HANDLE)hBackgrndBrush);
 	DeleteObject((HANDLE)rgn1);
 #if 0
 	DeleteObject((HANDLE)rgn2);
 	DeleteObject((HANDLE)rgn);
 #endif
 }


 static void DrawPressedPushButton(HDC hDC, HWND hButton, RECT rc)
 {
 	HPEN hOldPen, hShadowPen, hFramePen;
 	HBRUSH hOldBrush, hBackgrndBrush;
 	HRGN rgn1, rgn2, rgn;
 	int len;
 	static char text[50+1];
 	DWORD dwTextSize;
 	int delta;
 	TEXTMETRIC tm;

 	hFramePen = CreatePen(PS_SOLID, 1, color_windowframe);
 	hBackgrndBrush = CreateSolidBrush(color_btnface);

 	hOldBrush = (HBRUSH)SelectObject(hDC, (HANDLE)hBackgrndBrush);
 	hOldPen = (HPEN)SelectObject(hDC, (HANDLE)hFramePen);
 	SetBkMode(hDC, TRANSPARENT);

 	/* give parent a chance to alter parameters: */
 	SendMessage(GetParent(hButton), WM_CTLCOLOR, (WORD)hDC,
 		    MAKELPARAM(hButton, CTLCOLOR_BTN));
 	Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);

 	/* draw button shadow: */
 	hShadowPen = CreatePen(PS_SOLID, 1, color_btnshadow);
 	SelectObject(hDC, (HANDLE)hShadowPen);
 	MoveTo(hDC, rc.left+1, rc.bottom-1);
 	LineTo(hDC, rc.left+1, rc.top+1);
 	LineTo(hDC, rc.right-1, rc.top+1);

 	/* draw button label, if any: */
 	len = GetWindowText(hButton, text, sizeof text);
 	if (len >= 1) {
 		rc.top++;	rc.left++;
 		DrawText(hDC, text, len, &rc,
 			 DT_SINGLELINE | DT_CENTER| DT_VCENTER);
 	}

 #if 0
 	/* do we have the focus? */
 	if (len >= 1 && GetFocus() == hButton) {
 		dwTextSize = GetTextExtent(hDC, text, len);
 		delta = ((rc.right - rc.left) - LOWORD(dwTextSize)) >> 1;
 		rc.left += delta;	rc.right -= delta;
 		GetTextMetrics(hDC, &tm);
 		delta = ((rc.bottom - rc.top) -
 			 tm.tmHeight + tm.tmInternalLeading) >> 1;
 		rc.top += delta; 	rc.bottom -= delta;
 		DrawFocusRect(hDC, &rc);
 	}
 #endif

 	SelectObject(hDC, (HANDLE)hOldPen);
 	SelectObject(hDC, (HANDLE)hOldBrush);
 	DeleteObject((HANDLE)hBackgrndBrush);
 	DeleteObject(SelectObject(hDC, (HANDLE)hFramePen));
 	DeleteObject(SelectObject(hDC, (HANDLE)hShadowPen));
 }
	/* File: button.c -- MS-Windows(tm) compatible "Button" replacement widget
	*
	* programmed by Johannes Ruscheinski for the Linux WABI
	* project.
	* (C) 1993 by Johannes Ruscheinski
	*
	* Modifications by David Metcalfe
	*/

	#include <windows.h>
	#include "win.h"

	LONG ButtonWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam);

	static COLORREF color_windowframe, color_btnface, color_btnshadow,
	color_btntext, color_btnhighlight;

	static BOOL pressed;

	#define NOTIFY_PARENT(hWndCntrl, wNotifyCode) \
	SendMessage(GetParent(hWndCntrl), WM_COMMAND, \
	GetDlgCtrlID(hWndCntrl), MAKELPARAM(hWndCntrl, wNotifyCode));
	#define DIM(array) ((sizeof array)/(sizeof array[0]))

	static LONG PB_Paint(HWND hWnd);
	static LONG PB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
	static LONG PB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
	static LONG PB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam);
	static void DrawRaisedPushButton(HDC hDC, HWND hButton, RECT rc);
	static void DrawPressedPushButton(HDC hDC, HWND hButton, RECT rc);

	typedef struct
	{
	LONG (*paintfn)();
	LONG (*lButtonDownfn)();
	LONG (*lButtonUpfn)();
	LONG (*lButtonDblClkfn)();
	} BTNFN;

	#define MAX_BTN_TYPE 2

	static BTNFN btnfn[MAX_BTN_TYPE] =
	{
	{
	(LONG()())PB_Paint, / BS_PUSHBUTTON */
	(LONG(*)())PB_LButtonDown,
	(LONG(*)())PB_LButtonUp,
	(LONG(*)())PB_LButtonDblClk
	},
	{
	(LONG()())PB_Paint, / BS_DEFPUSHBUTTON */
	(LONG(*)())PB_LButtonDown,
	(LONG(*)())PB_LButtonUp,
	(LONG(*)())PB_LButtonDblClk
	}
	};


	LONG ButtonWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam)
	{
	LONG lResult = 0;
	HDC hDC;
	RECT rc;

	WND *wndPtr = WIN_FindWndPtr(hWnd);
	LONG style = wndPtr->dwStyle & 0x0000000F;

	switch (uMsg) {
	/* case WM_GETDLGCODE:
	lResult = DLGC_BUTTON;
	break;
	*/
	case WM_ENABLE:
	InvalidateRect(hWnd, NULL, FALSE);
	break;

	case WM_CREATE:
	if (style < 0L \|\| style >= (LONG)DIM(btnfn))
	lResult = -1L;
	else
	{
	/* initialise colours used for button rendering: */
	color_windowframe = GetSysColor(COLOR_WINDOWFRAME);
	color_btnface = GetSysColor(COLOR_BTNFACE);
	color_btnshadow = GetSysColor(COLOR_BTNSHADOW);
	color_btntext = GetSysColor(COLOR_BTNTEXT);
	color_btnhighlight = GetSysColor(COLOR_BTNHIGHLIGHT);

	pressed = FALSE;
	lResult = 0L;
	}
	break;

	case WM_PAINT:
	(btnfn[style].paintfn)(hWnd);
	break;

	case WM_LBUTTONDOWN:
	(btnfn[style].lButtonDownfn)(hWnd, wParam, lParam);
	break;

	case WM_LBUTTONUP:
	(btnfn[style].lButtonUpfn)(hWnd, wParam, lParam);
	break;

	case WM_LBUTTONDBLCLK:
	(btnfn[style].lButtonDblClkfn)(hWnd, wParam, lParam);
	break;

	case WM_SETFOCUS:
	break;

	case WM_KILLFOCUS:
	InvalidateRect(hWnd, NULL, FALSE);
	UpdateWindow(hWnd);
	break;

	case WM_SYSCOLORCHANGE:
	color_windowframe = GetSysColor(COLOR_WINDOWFRAME);
	color_btnface = GetSysColor(COLOR_BTNFACE);
	color_btnshadow = GetSysColor(COLOR_BTNSHADOW);
	color_btntext = GetSysColor(COLOR_BTNTEXT);
	color_btnhighlight = GetSysColor(COLOR_BTNHIGHLIGHT);
	InvalidateRect(hWnd, NULL, TRUE);
	break;

	default:
	lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
	break;
	}

	GlobalUnlock(hWnd);
	return lResult;
	}


	/**********************************************************************
	* Push Button Functions
	*/

	static LONG PB_Paint(HWND hWnd)
	{
	PAINTSTRUCT ps;
	RECT rc;
	HDC hDC;

	hDC = BeginPaint(hWnd, &ps);
	GetClientRect(hWnd, &rc);
	if (pressed)
	DrawPressedPushButton(hDC, hWnd, rc);
	else
	DrawRaisedPushButton(hDC, hWnd, rc);
	EndPaint(hWnd, &ps);
	}

	static LONG PB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
	{
	/* SetFocus(hWnd); */
	SetCapture(hWnd);
	pressed = TRUE;
	InvalidateRect(hWnd, NULL, FALSE);
	UpdateWindow(hWnd);
	}

	static LONG PB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
	{
	RECT rc;

	pressed = FALSE;
	ReleaseCapture();
	GetClientRect(hWnd, &rc);
	if (PtInRect(&rc, MAKEPOINT(lParam)))
	NOTIFY_PARENT(hWnd, BN_CLICKED);
	InvalidateRect(hWnd, NULL, FALSE);
	UpdateWindow(hWnd);
	}

	static LONG PB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam)
	{
	RECT rc;

	GetClientRect(hWnd, &rc);
	if (PtInRect(&rc, MAKEPOINT(lParam)))
	NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
	}

	static void DrawRaisedPushButton(HDC hDC, HWND hButton, RECT rc)
	{
	HPEN hOldPen, hFramePen;
	HBRUSH hOldBrush, hShadowBrush, hHighlightBrush, hBackgrndBrush;
	HRGN rgn1, rgn2, rgn;
	int len;
	static char text[50+1];
	POINT points[6];
	DWORD dwTextSize;
	int delta;
	TEXTMETRIC tm;
	int i;

	hFramePen = CreatePen(PS_SOLID, 1, color_windowframe);
	hBackgrndBrush = CreateSolidBrush(color_btnface);

	hOldPen = (HPEN)SelectObject(hDC, (HANDLE)hFramePen);
	hOldBrush = (HBRUSH)SelectObject(hDC, (HANDLE)hBackgrndBrush);
	SetBkMode(hDC, TRANSPARENT);

	rgn = CreateRectRgn(0, 0, 0, 0);
	rgn1 = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);

	SendMessage(GetParent(hButton), WM_CTLCOLOR, (WORD)hDC,
	MAKELPARAM(hButton, CTLCOLOR_BTN));
	Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);

	/* draw button label, if any: */
	len = GetWindowText(hButton, text, sizeof text);
	if (len >= 1) {
	rc.left--; rc.bottom--;
	DrawText(hDC, text, len, &rc,
	DT_SINGLELINE \| DT_CENTER\| DT_VCENTER);
	}

	/* draw button highlight */
	points[0].x = rc.left+2;
	points[0].y = rc.bottom;
	points[1].x = rc.left+4;
	points[1].y = rc.bottom-2;
	points[2].x = rc.left+4;
	points[2].y = rc.top+3;
	points[3].x = rc.right-3;
	points[3].y = rc.top+3;
	points[4].x = rc.right-1;
	points[4].y = rc.top+1;
	points[5].x = rc.left+2;
	points[5].y = rc.top+1;
	hHighlightBrush = CreateSolidBrush(color_btnhighlight);
	rgn2 = CreatePolygonRgn(points, DIM(points), ALTERNATE);
	CombineRgn(rgn, rgn1, rgn2, RGN_AND);
	FillRgn(hDC, rgn2, hHighlightBrush);

	/* draw button shadow: */
	points[0].x = rc.left+2;
	points[0].y = rc.bottom;
	points[1].x = rc.left+4;
	points[1].y = rc.bottom-2;
	points[2].x = rc.right-3;
	points[2].y = rc.bottom-2;
	points[3].x = rc.right-3;
	points[3].y = rc.top+3;
	points[4].x = rc.right-1;
	points[4].y = rc.top;
	points[5].x = rc.right-1;
	points[5].y = rc.bottom;
	hShadowBrush = CreateSolidBrush(color_btnshadow);
	rgn2 = CreatePolygonRgn(points, DIM(points), ALTERNATE);
	CombineRgn(rgn, rgn1, rgn2, RGN_AND);
	FillRgn(hDC, rgn2, hShadowBrush);

	#if 0
	/* do we have the focus? */
	if (len >= 1 && GetFocus() == hButton) {
	dwTextSize = GetTextExtent(hDC, text, len);
	delta = ((rc.right - rc.left) - LOWORD(dwTextSize) + 1) >> 1;
	rc.left += delta; rc.right -= delta;
	GetTextMetrics(hDC, &tm);
	delta = ((rc.bottom - rc.top) -
	tm.tmHeight + tm.tmInternalLeading) >> 1;
	rc.top += delta; rc.bottom -= delta;
	DrawFocusRect(hDC, &rc);
	}
	#endif

	SelectObject(hDC, (HANDLE)hOldPen);
	SelectObject(hDC, (HANDLE)hOldBrush);
	DeleteObject((HANDLE)hFramePen);
	DeleteObject((HANDLE)hShadowBrush);
	DeleteObject((HANDLE)hBackgrndBrush);
	DeleteObject((HANDLE)rgn1);
	#if 0
	DeleteObject((HANDLE)rgn2);
	DeleteObject((HANDLE)rgn);
	#endif
	}


	static void DrawPressedPushButton(HDC hDC, HWND hButton, RECT rc)
	{
	HPEN hOldPen, hShadowPen, hFramePen;
	HBRUSH hOldBrush, hBackgrndBrush;
	HRGN rgn1, rgn2, rgn;
	int len;
	static char text[50+1];
	DWORD dwTextSize;
	int delta;
	TEXTMETRIC tm;

	hFramePen = CreatePen(PS_SOLID, 1, color_windowframe);
	hBackgrndBrush = CreateSolidBrush(color_btnface);

	hOldBrush = (HBRUSH)SelectObject(hDC, (HANDLE)hBackgrndBrush);
	hOldPen = (HPEN)SelectObject(hDC, (HANDLE)hFramePen);
	SetBkMode(hDC, TRANSPARENT);

	/* give parent a chance to alter parameters: */
	SendMessage(GetParent(hButton), WM_CTLCOLOR, (WORD)hDC,
	MAKELPARAM(hButton, CTLCOLOR_BTN));
	Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);

	/* draw button shadow: */
	hShadowPen = CreatePen(PS_SOLID, 1, color_btnshadow);
	SelectObject(hDC, (HANDLE)hShadowPen);
	MoveTo(hDC, rc.left+1, rc.bottom-1);
	LineTo(hDC, rc.left+1, rc.top+1);
	LineTo(hDC, rc.right-1, rc.top+1);

	/* draw button label, if any: */
	len = GetWindowText(hButton, text, sizeof text);
	if (len >= 1) {
	rc.top++; rc.left++;
	DrawText(hDC, text, len, &rc,
	DT_SINGLELINE \| DT_CENTER\| DT_VCENTER);
	}

	#if 0
	/* do we have the focus? */
	if (len >= 1 && GetFocus() == hButton) {
	dwTextSize = GetTextExtent(hDC, text, len);
	delta = ((rc.right - rc.left) - LOWORD(dwTextSize)) >> 1;
	rc.left += delta; rc.right -= delta;
	GetTextMetrics(hDC, &tm);
	delta = ((rc.bottom - rc.top) -
	tm.tmHeight + tm.tmInternalLeading) >> 1;
	rc.top += delta; rc.bottom -= delta;
	DrawFocusRect(hDC, &rc);
	}
	#endif

	SelectObject(hDC, (HANDLE)hOldPen);
	SelectObject(hDC, (HANDLE)hOldBrush);
	DeleteObject((HANDLE)hBackgrndBrush);
	DeleteObject(SelectObject(hDC, (HANDLE)hFramePen));
	DeleteObject(SelectObject(hDC, (HANDLE)hShadowPen));
	}