xpbutton.cpp

在中小型电力行业系统中

#include <Windows.h>
#include <Winuser.h>

#include "stdafx.h"
#include "XPButton.h"

//#if(WINVER >= 0x0501)
#ifdef	THEMEAPI
#include <tmschema.h>
#else
#define	NO_THEMEAPI_FOUND

#define	BP_PUSHBUTTON	0x00000001
#define	PBS_NORMAL		0x00000001
#define	PBS_HOT			0x00000002
#define	PBS_PRESSED		0x00000003
#define	PBS_DISABLED	0x00000004
#define	PBS_DEFAULTED	0x00000005
#endif

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

CXPButton::CXPButton()
{
	m_bIsXPStyle = TRUE;
}

CXPButton::~CXPButton()
{
}

// This function is called every time the button border needs to be painted.
// If the button is in standard (not flat) mode this function will NOT be called.
// This is a virtual function that can be rewritten in CMyButton-derived classes
// to produce a whole range of buttons not available by default.
//
// Parameters:
//		[IN]	pDC
//				Pointer to a CDC object that indicates the device context.
//		[IN]	pRect
//				Pointer to a CRect object that indicates the bounds of the
//				area to be painted.
//
// Return value:
//		BTNST_OK
//			Function executed successfully.
//
DWORD CXPButton::OnDrawBorder(CDC* /*pDC*/, LPCRECT /*pRect*/)
{
	return BTNST_OK;
} // End of OnDrawBorder

// This function is called every time the button background needs to be painted.
// If the button is in transparent mode this function will NOT be called.
// This is a virtual function that can be rewritten in CMyButton-derived classes
// to produce a whole range of buttons not available by default.
//
// Parameters:
//		[IN]	pDC
//				Pointer to a CDC object that indicates the device context.
//		[IN]	pRect
//				Pointer to a CRect object that indicates the bounds of the
//				area to be painted.
//
// Return value:
//		BTNST_OK
//			Function executed successfully.
//
DWORD CXPButton::OnDrawBackground(CDC* pDC, LPCRECT pRect)
{
	BOOL	bDefaultDraw = FALSE;

	CMemDC dc( pDC );
	PaintBk(&dc);

	// No theme helper passed
	if (m_pTheme == NULL || m_pTheme->IsAppThemed() == FALSE)
	{
		bDefaultDraw = TRUE;
	} // if
	else
	{
		HTHEME	hTheme = NULL;
		int		iStateId = 0;

		hTheme = m_pTheme->OpenThemeData(GetSafeHwnd(), L"BUTTON");
		if (hTheme)
		{
			iStateId = PBS_NORMAL;								// Normal
			if (m_bIsDefault)		iStateId = PBS_DEFAULTED;	// Default button
			if (m_bMouseOnButton)	iStateId = PBS_HOT;			// Hot
			if (m_bIsPressed)		iStateId = PBS_PRESSED;		// Pressed
			if (m_bIsDisabled)		iStateId = PBS_DISABLED;	// Disabled

            m_pTheme->DrawThemeBackground(hTheme, dc.GetSafeHdc(), BP_PUSHBUTTON, iStateId, pRect, NULL);
			
			if ( m_bIsFocused )
			{
                CRect rc = pRect;
				rc.DeflateRect( 3, 3 );
				dc.DrawFocusRect( rc );
			}

			m_pTheme->CloseThemeData(hTheme);
		} // if
		else
		{
			bDefaultDraw = TRUE;
		} // else
	} // else

	if ( bDefaultDraw )
	{
		CRect rc( pRect );
		CRect rect = rc;

		CPen pen1( PS_SOLID, 0, RGB(226, 222, 203) );   // 最左边的一条竖线
		CPen pen2( PS_SOLID, 0, RGB(248, 247, 242) );	// 最底部的一条横线
		CPen pen3, pen4;
		
		if ( m_bIsDisabled )
		{
			pen3.CreatePen( PS_SOLID, 0, RGB(216, 213, 199) );	// 圆角矩形(4,4)
			pen4.CreatePen( PS_SOLID, 0, RGB(201, 199, 186) );		// 圆角矩形(6,6)
		}
		else
		{
			pen3.CreatePen( PS_SOLID, 0, RGB(122, 149, 168) );	// 圆角矩形(4,4)
			pen4.CreatePen( PS_SOLID, 0, RGB(0, 60, 116) );		// 圆角矩形(6,6)
		}


		COLORREF bkColorStart = RGB( 220, 214, 194 );
		COLORREF bkColorEnd = RGB( 245, 244, 235 );
		COLORREF FaceColorStart = RGB( 255, 255, 255 );
		COLORREF FaceColorEnd = RGB( 226, 223, 214 );
		COLORREF TextColorStart = RGB( 252, 252, 251 );
		COLORREF TextColorEnd = RGB( 236, 235, 230 );

		COLORREF bkColor = pDC->GetPixel( rc.right-1, rc.top );
		
		int nSaveDC = dc.SaveDC();
		dc.SelectStockObject( NULL_BRUSH );

		// 画最左边的一条竖线和最底部的一条横线
		if ( !m_bIsDisabled )
		{
			dc.SelectObject( &pen1 );
			dc.MoveTo( rc.left, rc.top+1 );
			dc.LineTo( rc.left, rc.bottom-1 );

			dc.SelectObject( &pen2 );
			dc.MoveTo( rc.left+2, rc.bottom-1 );
			dc.LineTo( rc.right-1, rc.bottom-1 );
		}
		
		// 画最底层背景
		TRIVERTEX vert[2] ;
		GRADIENT_RECT gRect;

		vert [0].y = rect.top;
		vert [0].x = rect.left+1;
		vert [0].Red    = COLOR16( COLOR16( GetRValue( bkColorStart ) ) << 8);
		vert [0].Green  = COLOR16( COLOR16( GetGValue( bkColorStart ) ) << 8);
		vert [0].Blue   = COLOR16( COLOR16( GetBValue( bkColorStart ) ) << 8);
		vert [0].Alpha  = 0x0000;

		vert [1].y = rect.bottom-1;
		vert [1].x = rect.right;
		vert [1].Red    = COLOR16( COLOR16( GetRValue( bkColorEnd ) ) << 8);
		vert [1].Green  = COLOR16( COLOR16( GetGValue( bkColorEnd ) ) << 8);
		vert [1].Blue   = COLOR16( COLOR16( GetBValue( bkColorEnd ) ) << 8);
		vert [1].Alpha  = 0xFF00;

		gRect.UpperLeft  = 0;
		gRect.LowerRight = 1;
		if ( !m_bIsDisabled )
			GradientFill( dc.GetSafeHdc(), vert, 2, &gRect, 1, GRADIENT_FILL_RECT_V );

		// 如果有焦点
		if ( ( m_bIsFocused ) || ( m_bIsDefault ) )
		{
            FaceColorStart = RGB( 206, 231, 255 );
			FaceColorEnd = RGB( 105, 130, 238 );
			rect = rc;
			rect.DeflateRect( 2, 0, 0, 0 );
		}

		// 如果是高亮
		if ( m_bMouseOnButton )
		{
            FaceColorStart = RGB( 255, 240, 207 );
			FaceColorEnd = RGB( 229, 151, 0 );
			rect = rc;
			rect.DeflateRect( 2, 0, 0, 0 );
		}

		// 如果被按下
		if ( m_bIsPressed )
		{
            FaceColorStart = RGB( 209, 204, 193 );
			FaceColorEnd = RGB( 242, 241, 238 );

			TextColorStart = RGB( 229, 228, 221 );
			TextColorEnd = RGB( 226, 226, 218 );

			rect = rc;
			rect.DeflateRect( 2, 0, 0, 0 );
		}

		// 如果被按下
		if ( m_bIsDisabled )
		{
            FaceColorStart = RGB( 245, 244, 234 );
			FaceColorEnd = FaceColorStart;

			TextColorStart = FaceColorStart;
			TextColorEnd = FaceColorStart;

			rect = rc;
			rect.DeflateRect( 2, 0, 0, 0 );
		}

		// 画 BUTTON 内部所有区域背景
		vert [0].y = rc.top + 2;
		vert [0].x = rc.left + 2;
		vert [0].Red    = COLOR16( COLOR16( GetRValue( FaceColorStart ) ) << 8);
		vert [0].Green  = COLOR16( COLOR16( GetGValue( FaceColorStart ) ) << 8 );
		vert [0].Blue   = COLOR16( COLOR16( GetBValue( FaceColorStart ) ) << 8 );

		vert [1].y = rc.bottom - 2 ;
		vert [1].x = rc.right - 2;
		vert [1].Red    = COLOR16( COLOR16( GetRValue( FaceColorEnd ) ) << 8 );
		vert [1].Green  = COLOR16( COLOR16( GetGValue( FaceColorEnd ) ) << 8 );
		vert [1].Blue   = COLOR16( COLOR16( GetBValue( FaceColorEnd ) ) << 8 );
		GradientFill( dc.GetSafeHdc(), vert, 2, &gRect, 1, GRADIENT_FILL_RECT_V );

		// 画 BUTTON 内部有效区域背景
		vert [0].y = rect.top + 4;
		vert [0].x = rect.left + 2;
		vert [0].Red    = COLOR16( COLOR16( GetRValue( TextColorStart ) ) << 8);
		vert [0].Green  = COLOR16( COLOR16( GetGValue( TextColorStart ) ) << 8 );
		vert [0].Blue   = COLOR16( COLOR16( GetBValue( TextColorStart ) ) << 8 );

		vert [1].y = rect.bottom - 4;
		vert [1].x = rect.right - 4;
		vert [1].Red    = COLOR16( COLOR16( GetRValue( TextColorEnd ) ) << 8 );
		vert [1].Green  = COLOR16( COLOR16( GetGValue( TextColorEnd ) ) << 8 );
		vert [1].Blue   = COLOR16( COLOR16( GetBValue( TextColorEnd ) ) << 8 );
		GradientFill( dc.GetSafeHdc(), vert, 2, &gRect, 1, GRADIENT_FILL_RECT_V );
		
		// 如果有焦点
		if ( m_bIsFocused )
		{	
			rect = rc;
			rect.DeflateRect( 3, 3 );
			dc.DrawFocusRect( rect );
		}
		
		// 画椭圆形外框
		rect = rc;
		rect.DeflateRect( 1, 1 );
		dc.SelectObject( &pen3 );
		dc.RoundRect( rect, CPoint( 4, 4 ) );

		dc.SelectObject( &pen4 );
		dc.RoundRect( rect, CPoint( 6, 6 ) );

		// 去除右上角的多余点
		dc.SetPixel( rc.right-1, rc.top, bkColor );

		dc.RestoreDC( nSaveDC );
	} // if

	return BTNST_OK;
} // End of OnDrawBackground

#ifdef	NO_THEMEAPI_FOUND
#undef	NO_THEMEAPI_FOUND
#undef	BP_PUSHBUTTON
#undef	PBS_NORMAL
#undef	PBS_HOT
#undef	PBS_PRESSED
#undef	PBS_DISABLED
#undef	PBS_DEFAULTED
#endif