cjcolorpopup.cpp

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// CJColorPopup.cpp : implementation file
//
// Written by Chris Maunder ([e-mail])
// Extended by Alexander Bischofberger ([e-mail])
// Copyright (c) 1998.
//
// Updated 30 May 1998 to allow any number of Colors, and to
//                     make the appearance closer to Office 97. 
//                     Also added "Default" text area.         (CJM)
//
//         13 June 1998 Fixed change of focus bug (CJM)
//         30 June 1998 Fixed bug caused by focus bug fix (D'oh!!)
//                      Solution suggested by Paul Wilkerson.
//
// CJColorPopup is a helper class for the Color picker control
// CJColorPicker. Check out the header file or the accompanying 
// HTML doc file for details.
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed unmodified by any means PROVIDING it is 
// not sold for profit without the authors written consent, and 
// providing that this notice and the authors name is included. 
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability if it causes any damage to you or your
// computer whatsoever. It's free, so don't hassle me about it.
//
// Expect bugs.
// 
// Please use and enjoy. Please let me know of any bugs/mods/improvements 
// that you have found/implemented and I will fix/incorporate them into this
// file. 
//
/////////////////////////////////////////////////////////////////////////////
/****************************************************************************
 *
 * $Date: 2002/06/15 17:49:37 $
 * $Revision: 1.2 $
 * $Archive: /CodeJock/CJLibrary/CJColorPopup.cpp $
 *
 * $History: CJColorPopup.cpp $
 * 
 * *****************  Version 9  *****************
 * User: Kirk Stowell Date: 10/31/99   Time: 11:54p
 * Updated in $/CodeJock/CJLibrary
 * Overrode OnEraseBkgnd(...) and made modifications to OnPaint(...) to
 * handle flicker free drawing.
 * 
 * Modified resource include for static builds.
 * 
 * Fixed potential resource and memory leak problems.
 * 
 * Made class methods virtual for inheritance purposes.
 * 
 * *****************  Version 8  *****************
 * User: Kirk Stowell Date: 10/14/99   Time: 12:23p
 * Updated in $/CodeJock/CJLibrary
 * Added source control history to file header.
 *
 ***************************************************************************/
/////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include <math.h>
#include "CJColorPicker.h"
#include "CJColorPopup.h"
#include "CJResource.h"

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

#define DEFAULT_BOX_VALUE -3
#define CUSTOM_BOX_VALUE  -2
#define INVALID_Color    -1

#define MAX_ColorS			100
#define NUM_COLUMNS			10

ColorTableEntry CCJColorPopup::m_crColors[] = 
{
    { RGB(0x00, 0x00, 0x00),    _T("Black")             },
    { RGB(0xA5, 0x2A, 0x00),    _T("Brown")             },
    { RGB(0x00, 0x40, 0x40),    _T("Dark Olive Green")  },
    { RGB(0x00, 0x55, 0x00),    _T("Dark Green")        },
    { RGB(0x00, 0x00, 0x5E),    _T("Dark Teal")         },
    { RGB(0x00, 0x00, 0x8B),    _T("Dark blue")         },
    { RGB(0x4B, 0x00, 0x82),    _T("Indigo")            },
    { RGB(0x28, 0x28, 0x28),    _T("Dark grey")         },

    { RGB(0x8B, 0x00, 0x00),    _T("Dark red")          },
    { RGB(0xFF, 0x68, 0x20),    _T("Orange")            },
    { RGB(0x8B, 0x8B, 0x00),    _T("Dark yellow")       },
    { RGB(0x00, 0x93, 0x00),    _T("Green")             },
    { RGB(0x38, 0x8E, 0x8E),    _T("Teal")              },
    { RGB(0x00, 0x00, 0xFF),    _T("Blue")              },
    { RGB(0x7B, 0x7B, 0xC0),    _T("Blue-grey")         },
    { RGB(0x66, 0x66, 0x66),    _T("Grey - 40")         },

    { RGB(0xFF, 0x00, 0x00),    _T("Red")               },
    { RGB(0xFF, 0xAD, 0x5B),    _T("Light orange")      },
    { RGB(0x32, 0xCD, 0x32),    _T("Lime")              }, 
    { RGB(0x3C, 0xB3, 0x71),    _T("Sea green")         },
    { RGB(0x7F, 0xFF, 0xD4),    _T("Aqua")              },
    { RGB(0x7D, 0x9E, 0xC0),    _T("Light blue")        },
    { RGB(0x80, 0x00, 0x80),    _T("Violet")            },
    { RGB(0x7F, 0x7F, 0x7F),    _T("Grey - 50")         },

    { RGB(0xFF, 0xC0, 0xCB),    _T("Pink")              },
    { RGB(0xFF, 0xD7, 0x00),    _T("Gold")              },
    { RGB(0xFF, 0xFF, 0x00),    _T("Yellow")            },    
    { RGB(0x00, 0xFF, 0x00),    _T("Bright green")      },
    { RGB(0x40, 0xE0, 0xD0),    _T("Turquoise")         },
    { RGB(0xC0, 0xFF, 0xFF),    _T("Skyblue")           },
    { RGB(0x48, 0x00, 0x48),    _T("Plum")              },
    { RGB(0xC0, 0xC0, 0xC0),    _T("Light grey")        },

    { RGB(0xFF, 0xE4, 0xE1),    _T("Rose")              },
    { RGB(0xD2, 0xB4, 0x8C),    _T("Tan")               },
    { RGB(0xFF, 0xFF, 0xE0),    _T("Light yellow")      },
    { RGB(0x98, 0xFB, 0x98),    _T("Pale green ")       },
    { RGB(0xAF, 0xEE, 0xEE),    _T("Pale turquoise")    },
    { RGB(0x68, 0x83, 0x8B),    _T("Pale blue")         },
    { RGB(0xE6, 0xE6, 0xFA),    _T("Lavender")          },
    { RGB(0xFF, 0xFF, 0xFF),    _T("White")             }
};

/////////////////////////////////////////////////////////////////////////////
// CCJColorPopup

CCJColorPopup::CCJColorPopup()
{
    Initialise();
}

CCJColorPopup::CCJColorPopup(CPoint p, COLORREF crColor, CWnd* pParentWnd,
                           LPCTSTR szDefaultText /* = NULL */,
                           LPCTSTR szCustomText  /* = NULL */)
{
    Initialise();

    m_crColor       = m_crInitialColor = crColor;
    m_pParent        = pParentWnd;

// 1999-06-11 begin mods KStowell
	if( szDefaultText == NULL )
		m_strDefaultText.LoadString( IDS_COLOR_AUTO );
	else
		m_strDefaultText = szDefaultText;

	if( szCustomText == NULL )
		m_strCustomText.LoadString( IDS_COLOR_CUST );
	else
		m_strCustomText = szCustomText;
// 1999-06-11 end mods KStowell

    CCJColorPopup::Create(p, crColor, pParentWnd, szDefaultText, szCustomText);
}

void CCJColorPopup::Initialise()
{
    m_nNumColors       = sizeof(m_crColors)/sizeof(ColorTableEntry);
    ASSERT(m_nNumColors <= MAX_ColorS);
    if (m_nNumColors > MAX_ColorS)
        m_nNumColors = MAX_ColorS;

    m_nNumColumns       = 0;
    m_nNumRows          = 0;
    m_nBoxSize          = 18;
    m_nMargin           = ::GetSystemMetrics(SM_CXEDGE);
    m_nCurrentSel       = INVALID_Color;
    m_nChosenColorSel  = INVALID_Color;
    m_pParent           = NULL;
    m_crColor          = m_crInitialColor = RGB(0,0,0);

    // Idiot check: Make sure the Color square is at least 5 x 5;
    if (m_nBoxSize - 2*m_nMargin - 2 < 5) m_nBoxSize = 5 + 2*m_nMargin + 2;

    // Create the palette
    struct {
        LOGPALETTE    LogPalette;
        PALETTEENTRY  PalEntry[MAX_ColorS];
    } pal;

    LOGPALETTE* pLogPalette = (LOGPALETTE*) &pal;
    pLogPalette->palVersion    = 0x300;
    pLogPalette->palNumEntries = (WORD) m_nNumColors; 

    for (int i = 0; i < m_nNumColors; i++)
    {
        pLogPalette->palPalEntry[i].peRed   = GetRValue(m_crColors[i].crColor);
        pLogPalette->palPalEntry[i].peGreen = GetGValue(m_crColors[i].crColor);
        pLogPalette->palPalEntry[i].peBlue  = GetBValue(m_crColors[i].crColor);
        pLogPalette->palPalEntry[i].peFlags = 0;
    }

    m_Palette.CreatePalette(pLogPalette);
}

CCJColorPopup::~CCJColorPopup()
{
    m_Font.DeleteObject();
    m_Palette.DeleteObject();
}

BOOL CCJColorPopup::Create(CPoint p, COLORREF crColor, CWnd* pParentWnd,
                          LPCTSTR szDefaultText /* = NULL */,
                          LPCTSTR szCustomText  /* = NULL */)
{
    ASSERT(pParentWnd && ::IsWindow(pParentWnd->GetSafeHwnd()));
    ASSERT(pParentWnd->IsKindOf(RUNTIME_CLASS(CCJColorPicker)));

    m_pParent  = pParentWnd;
    m_crColor = m_crInitialColor = crColor;

    // Get the class name and create the window
    CString szClassName = AfxRegisterWndClass(CS_CLASSDC|CS_SAVEBITS|CS_HREDRAW|CS_VREDRAW,
                                              0,
                                              (HBRUSH) (COLOR_BTNFACE+1), 
                                              0);

    if (!CWnd::CreateEx(0, szClassName, _T(""), WS_VISIBLE|WS_POPUP, 
                        p.x, p.y, 100, 100, // size updated soon
                        pParentWnd->GetSafeHwnd(), 0, NULL))
        return FALSE;

	UpdateFont();

    // Store the Custom text
    if (szCustomText != NULL) 
        m_strCustomText = szCustomText;

    // Store the Default Area text
    if (szDefaultText != NULL) 
        m_strDefaultText = szDefaultText;
        
    // Set the window size
    SetWindowSize();

    // Create the tooltips
    CreateToolTips();

    // Find which cell (if any) corresponds to the initial Color
    FindCellFromColor(crColor);

    // Capture all mouse events for the life of this window
    SetCapture();

    return TRUE;
}

BEGIN_MESSAGE_MAP(CCJColorPopup, CWnd)
    //{{AFX_MSG_MAP(CCJColorPopup)
    ON_WM_NCDESTROY()
    ON_WM_LBUTTONUP()
    ON_WM_PAINT()
    ON_WM_MOUSEMOVE()
    ON_WM_KEYDOWN()
    ON_WM_QUERYNEWPALETTE()
    ON_WM_PALETTECHANGED()
	ON_WM_KILLFOCUS()
	ON_WM_ACTIVATEAPP()
	ON_WM_ERASEBKGND()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCJColorPopup message handlers

// For tooltips
BOOL CCJColorPopup::PreTranslateMessage(MSG* pMsg) 
{
    m_ToolTip.RelayEvent(pMsg);
    return CWnd::PreTranslateMessage(pMsg);
}

// If an arrow key is pressed, then move the selection
void CCJColorPopup::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
    int row = GetRow(m_nCurrentSel),
        col = GetColumn(m_nCurrentSel);

    if (nChar == VK_DOWN) 
    {
        if (row == DEFAULT_BOX_VALUE) 
            row = col = 0; 
        else if (row == CUSTOM_BOX_VALUE)
        {
            if (m_strDefaultText.GetLength())
                row = col = DEFAULT_BOX_VALUE;
            else
                row = col = 0;
        }
        else
        {
            row++;
            if (GetIndex(row,col) < 0)
            {
                if (m_strCustomText.GetLength())
                    row = col = CUSTOM_BOX_VALUE;
                else if (m_strDefaultText.GetLength())
                    row = col = DEFAULT_BOX_VALUE;
                else
                    row = col = 0;
            }
        }
        ChangeSelection(GetIndex(row, col));
    }

    if (nChar == VK_UP) 
    {
        if (row == DEFAULT_BOX_VALUE)
        {
            if (m_strCustomText.GetLength())
                row = col = CUSTOM_BOX_VALUE;
            else
           { 
                row = GetRow(m_nNumColors-1); 
                col = GetColumn(m_nNumColors-1); 
            }
        }
        else if (row == CUSTOM_BOX_VALUE)
        { 
            row = GetRow(m_nNumColors-1); 
            col = GetColumn(m_nNumColors-1); 
        }