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CGridCtrl 1.5

, 17 Jun 2004
This article presents a tiny grid control derived from the standard list control
#include "stdafx.h"
#include "BgListViewDlg.h"

#ifdef _DEBUG
	#define new DEBUG_NEW
#endif

//
//	BgListViewDlg::BgListViewDlg
//
BgListViewDlg::BgListViewDlg(CWnd* pParent)
:	CDialog(BgListViewDlg::IDD, pParent)
{
}

//
//	BgListViewDlg::DoDataExchange
//
void BgListViewDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_LIST1, mList);
	DDX_Control(pDX, IDC_COMBO1, mPalleteCombo);
}

//
//	BgListViewDlg::OnInitDialog
//
BOOL BgListViewDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	mPalleteCombo.InsertString(0, TEXT("System Pallete"));
	mPalleteCombo.InsertString(1, TEXT("Red Pallete"));
	mPalleteCombo.InsertString(2, TEXT("Indigo Pallete"));
	mPalleteCombo.InsertString(3, TEXT("Green Pallete"));
	mPalleteCombo.InsertString(4, TEXT("Orange Pallete"));
	mPalleteCombo.SetCurSel(0);

	// set image list
	mImageList.Create(IDB_BITMAP1, 16, 5, RGB(255, 0, 255));
	mList.SetImageList(&mImageList, LVSIL_SMALL);

	// populate the grid control
	int COLS = 30;
	int ROWS = 2000;

	// columns...
	CString s;
	for (int c = 0; c < COLS; c++)
	{
		s.Format(TEXT("Col %d"), c + 1);
		mList.InsertColumn(c, s, LVCFMT_LEFT, 100, c);
	}

	// rows...
	LVITEM item;
	item.mask = LVIF_TEXT | LVIF_IMAGE;
	for (int i = 0; i < ROWS; i++)
	{
		s.Format(TEXT("Cell %d, 1"), i + 1);
		item.pszText = s.GetBuffer(0);
		item.iItem = i;
		item.iSubItem = 0;
		item.iImage = 0;
		mList.InsertItem(&item);

		for (c = 1; c < COLS; c++)
		{
			s.Format(TEXT("Cell %d, %d"), i + 1, c + 1);
			item.pszText = s.GetBuffer(0);
			item.iSubItem  = c;
			item.iImage = 1;
			mList.SetItem(&item);
		}
	}

	// initial dimensions
	RECT rect;
	GetClientRect(&rect);
	OnSize(0, rect.right, rect.bottom);

	return TRUE;  // return TRUE  unless you set the focus to a control
}

//
//	BgListViewDlg::OnSize
//
void BgListViewDlg::OnSize(UINT nType, int cx, int cy)
{
	UNREFERENCED_PARAMETER(nType);
	if (IsWindow(mList.m_hWnd))
	{
		RECT rect = { 0, 0, cx, cy };
		::InflateRect(&rect, -7, -7);

		RECT cbrect;
		mPalleteCombo.GetClientRect(&cbrect);
		::OffsetRect(&cbrect, 7 - cbrect.left, cy - 7 - cbrect.bottom);
		mPalleteCombo.MoveWindow(&cbrect);

		rect.bottom -= 7 + cbrect.bottom - cbrect.top;
		mList.MoveWindow(&rect);
	}
}

void BgListViewDlg::OnPalleteChange()
{
	int index = mPalleteCombo.GetCurSel();
	switch (index)
	{
		case 0:
			mList.SetColorsToDefault();
			mList.Invalidate(FALSE);
			break;

		case 1:
			mList.SetColors(RGB(128, 0, 0),			// frame
							RGB(200, 150, 150),		// normal fill
							RGB(200, 0, 0),			// selected fill
							RGB(200, 135, 135),		// button fill
							RGB(0, 0, 0),			// normal text
							RGB(255, 255, 255));	// selected text
			mList.Invalidate(FALSE);
			break;

		case 2:
			mList.SetColors(RGB(0, 0, 128),			// frame
							RGB(150, 150, 200),		// normal fill
							RGB(0, 0, 200),			// selected fill
							RGB(135, 135, 200),		// button fill
							RGB(0, 0, 0),			// normal text
							RGB(255, 255, 255));	// selected text
			mList.Invalidate(FALSE);
			break;

		case 3:
			mList.SetColors(RGB(0, 100, 0),			// frame
							RGB(150, 200, 150),		// normal fill
							RGB(0, 200, 0),			// selected fill
							RGB(165, 200, 165),		// button fill
							RGB(0, 0, 0),			// normal text
							RGB(255, 255, 255));	// selected text
			mList.Invalidate(FALSE);
			break;

		case 4:
			mList.SetColors(RGB(128, 0, 0),			// frame
							RGB(255, 200, 50),		// normal fill
							RGB(150, 0, 0),			// selected fill
							RGB(235, 200, 50),		// button fill
							RGB(255, 255, 255),		// normal text
							RGB(255, 255, 255));	// selected text
			mList.Invalidate(FALSE);
			break;
	}
}

//
//	BEGIN_MESSAGE
//
BEGIN_MESSAGE_MAP(BgListViewDlg, CDialog)
	//}}AFX_MSG_MAP
	ON_WM_SIZE()
	ON_CBN_SELCHANGE(IDC_COMBO1, OnPalleteChange)
END_MESSAGE_MAP()

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About the Author

Marius Negrutiu
Web Developer
Romania Romania
- C/C++ Programming
- Windows Device Driver programming (DDK)
- Low-level networking programmer (firewalls, routers, sniffers...)
- AutoCAD ObjectARX/DBX programming
- ADT Object Modeling Framework (OMF) programmer

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