mystatusbar.cpp

串口调试助手的源代码

// Written by JHCC, 1997

#include "stdafx.h"
#include "MyStatusBar.h"
#include "resource.h"
#include "jhhbdoc.h"

// Constructor
CMyStatusBar::CMyStatusBar()
{
}

// Destructor
CMyStatusBar::~CMyStatusBar()
{
}


void	CMyStatusBar::InitStatusBar(UINT  idCommand)
{
	// Make a new font.
	CFont*	pFont = GetFont();
	LOGFONT	logFont;
	pFont->GetLogFont(&logFont);
	logFont.lfHeight *= 2;
	CFont	font;
	VERIFY(font.CreateFontIndirect(&logFont));
	SetFont(&font, TRUE);

	// Set the fourth part to be owner-drawn.
	GetStatusBarCtrl().SetText(_T(""), CommandToIndex(idCommand), SBT_OWNERDRAW);

	// Recalc the layout of the panes in the statusbar.
	GetParentFrame()->RecalcLayout();
}

void	CMyStatusBar::DrawItem(LPDRAWITEMSTRUCT  lpDrawItemStruct)
{
	// Load the bitmap for the owner-drawn part of the status bar.
	
	HBITMAP	hBitmap;
	if	(CCtrlInfoObject::m_nCurWorkStation == -1)
		hBitmap = ::LoadBitmap(AfxGetResourceHandle(), MAKEINTRESOURCE(IDB_GREEN_SEMAPHORE));
	else
		hBitmap = ::LoadBitmap(AfxGetResourceHandle(), MAKEINTRESOURCE(IDB_RED_SEMAPHORE));

	// Create a compatible DC for the bit block transfer.
	HDC	hdcMem = ::CreateCompatibleDC(lpDrawItemStruct->hDC);
	// Select the bitmap into the DC.
	HBITMAP	hbmOld = (HBITMAP)::SelectObject(hdcMem, hBitmap);
		
	BITMAP	bm;
	// Get the information about the bitmap's size.
	::GetObject(hBitmap, sizeof(bm), &bm);
	// Use BitBlt to transfer the bitmap.
	::BitBlt(lpDrawItemStruct->hDC,
		lpDrawItemStruct->rcItem.left+2,
		lpDrawItemStruct->rcItem.top+2,
		bm.bmWidth,
		bm.bmHeight,
		hdcMem, 0, 0,
		SRCCOPY);
	// Reselect the original bitmap.
	::SelectObject(hdcMem, hbmOld);
	// Delete the compatible DC.
	::DeleteDC(hdcMem);
}