CKCSideBannerWnd: An MFC Banner Control that Can Add a Professional-looking Feel to Most Windows...

// SideBannerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SideBanner.h"
#include "SideBannerDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:

	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSideBannerDlg dialog

CSideBannerDlg::CSideBannerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSideBannerDlg::IDD, pParent)
	, m_uFlags(0)
	, m_hBrush(NULL)
{
	//{{AFX_DATA_INIT(CSideBannerDlg)
	m_bFillType = 1;
	m_strCaption = _T("");
	m_strTitle = _T("");
	m_nCapOffsetX = 0;
	m_nEdgeOffsetX = 0;
	m_nCapOffsetY = 0;
	m_nEdgeOffsetY = 0;
	m_nBannerSize = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

CSideBannerDlg::~CSideBannerDlg()
{
	if ( m_fontCaption.m_hObject )
		m_fontCaption.DeleteObject();
	if ( m_fontTitle.m_hObject )
		m_fontTitle.DeleteObject();
}

void CSideBannerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSideBannerDlg)
	DDX_Control(pDX, IDC_COMBO_VERT, m_ctlVert);
	DDX_Control(pDX, IDC_COMBO_HORZ, m_ctlHorz);
	DDX_Radio(pDX, IDC_RADIO_FLAT, m_bFillType);
	DDX_Text(pDX, IDC_EDIT_CAPTION, m_strCaption);
	DDX_Text(pDX, IDC_EDIT_TITLE, m_strTitle);
	DDX_Text(pDX, IDC_EDIT_CAPOFFSET, m_nCapOffsetX);
	DDX_Text(pDX, IDC_EDIT_EDGEOFFSET, m_nEdgeOffsetX);
	DDX_Text(pDX, IDC_EDIT_CAPOFFSET2, m_nCapOffsetY);
	DDX_Text(pDX, IDC_EDIT_EDGEOFFSET2, m_nEdgeOffsetY);
	DDX_Text(pDX, IDC_EDIT_BANNERSIZE, m_nBannerSize);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSideBannerDlg, CDialog)
	//{{AFX_MSG_MAP(CSideBannerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_TOP, OnButtonTop)
	ON_BN_CLICKED(IDC_BUTTON_LEFT, OnButtonLeft)
	ON_BN_CLICKED(IDC_BUTTON_BOTTOM, OnButtonBottom)
	ON_BN_CLICKED(IDC_BUTTON_RIGHT, OnButtonRight)
	ON_EN_CHANGE(IDC_EDIT_CAPTION, OnChangeEditCaption)
	ON_EN_CHANGE(IDC_EDIT_TITLE, OnChangeEditTitle)
	ON_BN_CLICKED(IDC_RADIO_FLAT, OnRadioFlat)
	ON_BN_CLICKED(IDC_RADIO_GRADIENT, OnRadioGradient)
	ON_EN_CHANGE(IDC_EDIT_CAPOFFSET, OnChangeEditCapoffset)
	ON_EN_CHANGE(IDC_EDIT_EDGEOFFSET, OnChangeEditEdgeoffset)
	ON_EN_CHANGE(IDC_EDIT_BANNERSIZE, OnChangeEditBannersize)
	ON_WM_CTLCOLOR()
	ON_BN_CLICKED(IDC_STATIC_COL1, OnStaticCol1)
	ON_BN_CLICKED(IDC_STATIC_COL2, OnStaticCol2)
	ON_WM_SIZE()
	ON_CBN_SELCHANGE(IDC_COMBO_HORZ, OnSelchangeAlignment)
	ON_EN_CHANGE(IDC_EDIT_EDGEOFFSET2, OnChangeEditEdgeoffset)
	ON_EN_CHANGE(IDC_EDIT_CAPOFFSET2, OnChangeEditCapoffset)
	ON_CBN_SELCHANGE(IDC_COMBO_VERT, OnSelchangeAlignment)
	ON_BN_CLICKED(IDC_RADIO_TEXTURE, OnRadioTexture)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSideBannerDlg message handlers

BOOL CSideBannerDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon

	m_banner.Attach(this, KCSB_ATTACH_LEFT);

	m_banner.SetColBkg( GetSysColor( COLOR_3DFACE ) );
	m_banner.SetColBkg2( RGB(101,141,190) );
	m_banner.SetColEdge( RGB(0,0,0) );
	m_banner.SetIcon( AfxGetApp()->LoadIcon(IDI_KCLOGO), KCSB_ICON_LEFT | KCSB_ICON_VCENTER );
	m_ctlHorz.SelectString(-1, _T("Left"));
	m_ctlVert.SelectString(-1, _T("Center"));

	
	//
	// Example code to set a texture
	CBitmap				bmp;

	bmp.LoadBitmap(IDB_TEXTURE);
	m_banner.SetTexture((HBITMAP)bmp.Detach());

/*
	// 
	// Example code to set fonts for the control
	m_fontTitle.CreatePointFont(120, "Comic Sans MS");
	m_banner.SetTitleFont(&m_fontTitle);
	m_fontCaption.CreatePointFont(95, "Courier New");
	m_banner.SetCaptionFont(&m_fontCaption);
*/

	m_strTitle = m_banner.GetTitle();
	m_strCaption = m_banner.GetCaption();
	m_nEdgeOffsetX = m_banner.GetEdgeOffset().cx;
	m_nCapOffsetX = m_banner.GetCaptionOffset().cx;
	m_nEdgeOffsetY = m_banner.GetEdgeOffset().cy;
	m_nCapOffsetY = m_banner.GetCaptionOffset().cy;
	m_nBannerSize = m_banner.GetSize();

	UpdateData(FALSE);

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

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CSideBannerDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CSideBannerDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnButtonTop() 
{
	unsigned int			uFlag = m_banner.GetPosFlag();

	if ( (uFlag & KCSB_ATTACH_LEFT) || (uFlag & KCSB_ATTACH_RIGHT) )
		SwapOffsetValues();
	m_banner.SetPosFlag( KCSB_ATTACH_TOP | m_uFlags);	
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnButtonLeft() 
{
	unsigned int			uFlag = m_banner.GetPosFlag();

	if ( (uFlag & KCSB_ATTACH_TOP) || (uFlag & KCSB_ATTACH_BOTTOM) )
		SwapOffsetValues();
	m_banner.SetPosFlag( KCSB_ATTACH_LEFT | m_uFlags);	
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnButtonBottom() 
{
	unsigned int			uFlag = m_banner.GetPosFlag();

	if ( (uFlag & KCSB_ATTACH_LEFT) || (uFlag & KCSB_ATTACH_RIGHT) )
		SwapOffsetValues();
	m_banner.SetPosFlag( KCSB_ATTACH_BOTTOM | m_uFlags);	
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnButtonRight() 
{
	unsigned int			uFlag = m_banner.GetPosFlag();

	if ( (uFlag & KCSB_ATTACH_TOP) || (uFlag & KCSB_ATTACH_BOTTOM) )
		SwapOffsetValues();
	m_banner.SetPosFlag( KCSB_ATTACH_RIGHT | m_uFlags);	
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnChangeEditCaption() 
{
	CString			str(_T(""));
	
	GetDlgItem(IDC_EDIT_CAPTION)->GetWindowText(str);
	m_banner.SetCaption(str);
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnChangeEditTitle() 
{
	CString			str(_T(""));
	
	GetDlgItem(IDC_EDIT_TITLE)->GetWindowText(str);
	m_banner.SetTitle(str);
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnRadioFlat() 
{
	m_banner.SetFillFlag( KCSB_FILL_FLAT );
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnRadioGradient() 
{
	m_banner.SetFillFlag( KCSB_FILL_GRADIENT );
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnRadioTexture() 
{
	m_banner.SetFillFlag( KCSB_FILL_TEXTURE );	
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnChangeEditCapoffset() 
{
	UpdateData();
	m_banner.SetCaptionOffset( CSize(m_nCapOffsetX, m_nCapOffsetY) );
	m_banner.Invalidate();
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnChangeEditEdgeoffset() 
{
	UpdateData();
	m_banner.SetEdgeOffset( CSize(m_nEdgeOffsetX, m_nEdgeOffsetY) );
	m_banner.Invalidate();
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::SwapOffsetValues()
{
	UpdateData();

	// if you're lazy to declare a temp variable, a little XOR trick will swap the values aswell :)
	m_nCapOffsetX ^= m_nCapOffsetY;
	m_nCapOffsetY ^= m_nCapOffsetX;
	m_nCapOffsetX ^= m_nCapOffsetY;

	m_nEdgeOffsetX ^= m_nEdgeOffsetY;
	m_nEdgeOffsetY ^= m_nEdgeOffsetX;
	m_nEdgeOffsetX ^= m_nEdgeOffsetY;

	UpdateData(FALSE);

	OnChangeEditCapoffset();
	OnChangeEditEdgeoffset();
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnChangeEditBannersize() 
{
	UpdateData();
	m_banner.SetSize(m_nBannerSize);
}

/////////////////////////////////////////////////////////////////////////////

HBRUSH CSideBannerDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr; // = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
	if ( m_hBrush )
	{
		::DeleteObject(m_hBrush);
		m_hBrush = 0;
	}

	switch ( pWnd->GetDlgCtrlID() )
	{
	case	IDC_STATIC_COL1:
		hbr = m_hBrush = ::CreateSolidBrush( m_banner.GetColBkg() );
		pDC->SetBkMode(TRANSPARENT);
		break;

	case	IDC_STATIC_COL2:
		hbr = m_hBrush = ::CreateSolidBrush( m_banner.GetColBkg2() );
		pDC->SetBkMode(TRANSPARENT);
		break;

	default:
		hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	}

	// TODO: Return a different brush if the default is not desired
	return hbr;
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnStaticCol1() 
{
	CColorDialog			dlg( m_banner.GetColBkg(), CC_FULLOPEN );
	
	if ( dlg.DoModal() == IDOK )
	{
		m_banner.SetColBkg( dlg.GetColor() );
		m_banner.Invalidate();
		GetDlgItem(IDC_STATIC_COL1)->Invalidate();
	}
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnStaticCol2() 
{
	CColorDialog			dlg( m_banner.GetColBkg2(), CC_FULLOPEN );	
	
	if ( dlg.DoModal() == IDOK )
	{
		m_banner.SetColBkg2( dlg.GetColor() );
		m_banner.Invalidate();
		GetDlgItem(IDC_STATIC_COL2)->Invalidate();
	}
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	
	if ( m_banner.m_hWnd )
		m_banner.UpdateSize();
}

/////////////////////////////////////////////////////////////////////////////

void CSideBannerDlg::OnSelchangeAlignment() 
{
	UpdateData();

	UINT			uiFlag = 0;
	int				nHSel = m_ctlHorz.GetCurSel();
	int				nVSel = m_ctlVert.GetCurSel();
	CString			strHorz = _T(""), strVert = _T("");

	m_ctlHorz.GetLBText( nHSel, strHorz );
	m_ctlVert.GetLBText( nVSel, strVert );

	if ( strHorz == "Left" )
		uiFlag = KCSB_ICON_LEFT;
	else if ( strHorz == "Right" )
		uiFlag = KCSB_ICON_RIGHT;

	if ( strVert == "Top" )
		uiFlag |= KCSB_ICON_TOP;
	else if ( strVert == "Center" )
		uiFlag |= KCSB_ICON_VCENTER;
	else if ( strVert == "Bottom" )
		uiFlag |= KCSB_ICON_BOTTOM;

	m_banner.SetIconPos(uiFlag);
}

/////////////////////////////////////////////////////////////////////////////