gnomeframe.cpp

Gnome风格的窗口框架

// GnomeFrame.cpp : implementation file
//

#include "stdafx.h"
#include "GUI_Gnome.h"
#include "GnomeFrame.h"
#include "GnomeTheme.h"

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

/////////////////////////////////////////////////////////////////////////////
// CGnomeFrame

IMPLEMENT_DYNCREATE(CGnomeFrame, CFrameWnd)

CGnomeFrame::CGnomeFrame()
{
	m_rcBorders.SetRect(4, 4, 4, 4);
	m_nButtonDown = 0;
}

CGnomeFrame::~CGnomeFrame()
{
}


BEGIN_MESSAGE_MAP(CGnomeFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CGnomeFrame)
	ON_WM_CREATE()
	ON_WM_NCPAINT()
	ON_WM_NCCALCSIZE()
	ON_WM_NCHITTEST()
	ON_WM_NCLBUTTONDOWN()
	ON_WM_NCLBUTTONUP()
	ON_WM_SIZE()
	ON_WM_WINDOWPOSCHANGING()
	ON_WM_LBUTTONUP()
	ON_WM_CAPTURECHANGED()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGnomeFrame message handlers




int CGnomeFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	SetMenu(0);
	ModifyStyle(WS_BORDER, 0);	
	

	CRect m_rcBorders(0, 0, 0, 0);
	AdjustWindowRectEx(m_rcBorders, GetStyle(), FALSE, GetExStyle());	
	m_rcBorders.SetRect(-m_rcBorders.left, -m_rcBorders.top, m_rcBorders.right, m_rcBorders.bottom);	

	VERIFY(m_bmpBottomLeft.LoadBitmap(IDB_GNOME_BOTTOMLEFT));
	VERIFY(m_bmpBottomRight.LoadBitmap(IDB_GNOME_BOTTOMRIGHT));
	VERIFY(m_bmpMenuNormal.LoadBitmap(IDB_GNOME_MENU_NORMAL));
	VERIFY(m_bmpCaption.LoadBitmap(IDB_GNOME_CAPTION));
	VERIFY(m_bmpCloseNormal.LoadBitmap(IDB_GNOME_CLOSE_NORMAL));
	VERIFY(m_bmpMaximizeNormal.LoadBitmap(IDB_GNOME_MAXIMIZE_NORMAL));
	VERIFY(m_bmpMinimizeNormal.LoadBitmap(IDB_GNOME_MINIMIZE_NORMAL));

	VERIFY(m_bmpClosePushed.LoadBitmap(IDB_GNOME_CLOSE_PUSHED));
	VERIFY(m_bmpMaximizePushed.LoadBitmap(IDB_GNOME_MAXIMIZE_PUSHED));
	VERIFY(m_bmpMinimizePushed.LoadBitmap(IDB_GNOME_MINIMIZE_PUSHED));
	
	MoveWindow(CXTPWindowRect(this));

	NONCLIENTMETRICS ncm;
	
	ZeroMemory(&ncm, sizeof(NONCLIENTMETRICS));
	ncm.cbSize = sizeof(NONCLIENTMETRICS);
	VERIFY(::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &ncm, 0));

	m_fntTitle.CreateFontIndirect(&ncm.lfCaptionFont);

	return 0;
}

/////////////////////////////////////////////////////////////////////////////
// CGnomeFrame message handlers

#define GNOMECAPTION_HEIGHT	20

void CGnomeFrame::OnNcPaint() 
{
	CWindowDC dcWindow(this);
	CXTPWindowRect rc(this);
	CXTPClientRect rcClient(this);
	ClientToScreen(&rcClient);

	rcClient.OffsetRect(-rc.TopLeft());
	rc.OffsetRect(-rc.TopLeft());

	CRgn rgnClient;
	rgnClient.CreateRectRgnIndirect(rcClient);

	CRgn rgnWindow;
	rgnWindow.CreateRoundRectRgn(rc.left, rc.top, rc.right, rc.bottom, 11, 11);

	dcWindow.SelectClipRgn(&rgnWindow);
	dcWindow.SelectClipRgn(&rgnClient, RGN_XOR );
	{
		CXTPBufferDC dc(dcWindow, rc);

		CXTPPenDC pen(dc, 0);
		CXTPBrushDC brush(dc, GNOMECOLOR_3DFACE);
		
		dc.FillSolidRect(0, 0, rc.Width(), rc.Height(), 0);		
		dc.RoundRect(0, 0, rc.Width() - 1, rc.Height() - 1, 14, 14);

		dc.FillSolidRect(0, GNOMECAPTION_HEIGHT - 1, rc.Width(), 1, RGB(11, 11, 12));
		dc.FillSolidRect(1, GNOMECAPTION_HEIGHT, 1, rc.Height() - GNOMECAPTION_HEIGHT - 6, RGB(0xFF, 0xFF, 0xFF));

		dc.FillSolidRect(5, GNOMECAPTION_HEIGHT, 1, rc.Height() - GNOMECAPTION_HEIGHT - 6, RGB(161, 161, 161));
		dc.FillSolidRect(rc.Width() - 3, GNOMECAPTION_HEIGHT, 1, rc.Height() - GNOMECAPTION_HEIGHT - 6, RGB(196, 196, 196));
		dc.FillSolidRect(rc.Width() - 6, GNOMECAPTION_HEIGHT, 1, rc.Height() - GNOMECAPTION_HEIGHT - 6, RGB(255, 255, 255));
		dc.FillSolidRect(rc.Width() - 7, GNOMECAPTION_HEIGHT, 1, rc.Height() - GNOMECAPTION_HEIGHT - 6, RGB(161, 161, 161));

		dc.FillSolidRect(5, rc.Height() - 3, rc.Width() - 11, 1, RGB(184, 184, 184));
		dc.FillSolidRect(5, rc.Height() - 6, rc.Width() - 11, 1, RGB(255, 255, 255));
		dc.FillSolidRect(5, rc.Height() - 7, rc.Width() - 11, 1, RGB(161, 161, 161));


		dc.FillSolidRect(10, 1, rc.Width() - 20, 1, RGB(149, 169, 214));

		for (int nCaption = 23; nCaption < rc.Width() - 33; nCaption += 30)
		{
			dc.DrawState(CPoint(nCaption, 2), CSize(30, 17), m_bmpCaption, DST_BITMAP|DSS_NORMAL); 
		}

		dc.DrawState(CPoint(1, rc.Height() - 23), CSize(21, 21), m_bmpBottomLeft, DST_BITMAP|DSS_NORMAL); 
		dc.DrawState(CPoint(rc.Width() - 23, rc.Height() - 23), CSize(21, 21), m_bmpBottomRight, DST_BITMAP|DSS_NORMAL); 
		dc.DrawState(CPoint(1, 1), CSize(22, 19), m_bmpMenuNormal, DST_BITMAP|DSS_NORMAL); 


		dc.DrawState(CPoint(rc.Width() - 23, 1), CSize(21, 19), m_nButtonDown == GNOME_HTCLOSE? m_bmpClosePushed: m_bmpCloseNormal, DST_BITMAP|DSS_NORMAL); 
		dc.DrawState(CPoint(rc.Width() - 23 - 21, 1), CSize(21, 19), m_nButtonDown == GNOME_HTMAXIMIZE? m_bmpMaximizePushed: m_bmpMaximizeNormal, DST_BITMAP|DSS_NORMAL); 
		dc.DrawState(CPoint(rc.Width() - 23 - 21*2, 1), CSize(21, 19), m_nButtonDown == GNOME_HTMINIMIZE? m_bmpMinimizePushed: m_bmpMinimizeNormal, DST_BITMAP|DSS_NORMAL); 

		CRect rcTitle(rc.left + 30, rc.top, rc.right - 70, rc.top + GNOMECAPTION_HEIGHT);
		dc.SetBkMode(TRANSPARENT);
		dc.SetTextColor(RGB(255, 255, 255));

		CString strTitle;
		GetWindowText(strTitle);		

		CXTPFontDC font(&dc, &m_fntTitle);
		dc.DrawText(strTitle, rcTitle, DT_VCENTER|DT_SINGLELINE|DT_END_ELLIPSIS|DT_NOCLIP);

	}


	dcWindow.SelectClipRgn(NULL);
}

void CGnomeFrame::OnNcCalcSize(BOOL bCalcValidRects, NCCALCSIZE_PARAMS FAR* lpncsp) 
{
	lpncsp->rgrc[0].top += GNOMECAPTION_HEIGHT - m_rcBorders.top;
	lpncsp->rgrc[0].left += 6 - m_rcBorders.left;
	lpncsp->rgrc[0].right -= 6 - m_rcBorders.right + 1;
	lpncsp->rgrc[0].bottom -= 6 - m_rcBorders.bottom + 1;
	
	CFrameWnd::OnNcCalcSize(bCalcValidRects, lpncsp);
}

UINT CGnomeFrame::OnNcHitTest(CPoint point) 
{
	int nHit = CFrameWnd::OnNcHitTest(point);
	
	CRect rcWindow;
	GetWindowRect(&rcWindow);

	if (point.y < rcWindow.top + GNOMECAPTION_HEIGHT && nHit == HTNOWHERE)
	{
		//if (point.x < rcWindow.right - 23 * 3)
		//	return HTCAPTION;
		return HTCAPTION;
	}
	
	return nHit;
}

void CGnomeFrame::OnSize(UINT nType, int cx, int cy)
{
	CFrameWnd::OnSize(nType, cx, cy);


}

void CGnomeFrame::OnWindowPosChanging(WINDOWPOS* lpwndpos)
{
	CFrameWnd::OnWindowPosChanging(lpwndpos);

	if ((lpwndpos->flags & SWP_NOSIZE) ==  0 )
	{
		CRgn rgnResult;
		rgnResult.CreateRoundRectRgn(0, 0, lpwndpos->cx, lpwndpos->cy, 11, 11);

		SetWindowRgn((HRGN)rgnResult.Detach(), TRUE);
	}
}

int CGnomeFrame::GetSysButtonsHitTest(CPoint point)
{
	CRect rcWindow;
	GetWindowRect(&rcWindow);

	if (point.y < rcWindow.top + GNOMECAPTION_HEIGHT && (point.x > rcWindow.right - 23))
		return GNOME_HTCLOSE;
	if (point.y < rcWindow.top + GNOMECAPTION_HEIGHT && (point.x > rcWindow.right - 23 - 21))
		return GNOME_HTMAXIMIZE;
	if (point.y < rcWindow.top + GNOMECAPTION_HEIGHT && (point.x > rcWindow.right - 23 - 21 - 21))
		return GNOME_HTMINIMIZE;
	return 0;
}

void CGnomeFrame::OnNcLButtonDown(UINT nHitTest, CPoint point) 
{
	if (nHitTest == HTCAPTION)
	{
		int nHit = GetSysButtonsHitTest(point);

		if (nHit > 0)
		{
			SetCapture();
			m_nButtonDown = nHit;
			RedrawWindow(0, 0, RDW_FRAME|RDW_INVALIDATE );
		}
	}
	
	
	CFrameWnd::OnNcLButtonDown(nHitTest, point);
}

void CGnomeFrame::OnNcLButtonUp(UINT nHitTest, CPoint point) 
{
	
	CFrameWnd::OnNcLButtonUp(nHitTest, point);
}

void CGnomeFrame::OnLButtonUp(UINT nFlags, CPoint point)
{
	if (m_nButtonDown > 0)
	{
		int nButtonDown = m_nButtonDown;

		m_nButtonDown = 0;
		RedrawWindow(0, 0, RDW_FRAME|RDW_INVALIDATE );
		ReleaseCapture();

		ClientToScreen(&point);

		if (GetSysButtonsHitTest(point) == nButtonDown)
		{
			switch (nButtonDown)
			{
				case GNOME_HTCLOSE: SendMessage(WM_SYSCOMMAND, SC_CLOSE); break;
				case GNOME_HTMAXIMIZE: 
					SendMessage(WM_SYSCOMMAND, (GetStyle() & WS_MAXIMIZE) != 0? SC_RESTORE: SC_MAXIMIZE ); break;
				case GNOME_HTMINIMIZE: SendMessage(WM_SYSCOMMAND, SC_MINIMIZE); break;
			}			
		}
		return;

	}

	CFrameWnd::OnLButtonUp(nFlags, point);
}

void CGnomeFrame::OnCaptureChanged(CWnd *pWnd)
{
	if (m_nButtonDown > 0)
	{
		m_nButtonDown = 0;
		RedrawWindow(0, 0, RDW_FRAME|RDW_INVALIDATE );
	}

	CFrameWnd::OnCaptureChanged(pWnd);
}