?? colourpopup.cpp
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// ColourPopup.cpp : implementation file
//
// Written by Chris Maunder (chrismaunder@codeguru.com)
// Extended by Alexander Bischofberger (bischofb@informatik.tu-muenchen.de)
// Copyright (c) 1998.
//
// Updated 30 May 1998 to allow any number of colours, 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.
//
// ColourPopup is a helper class for the colour picker control
// CColourPicker. 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.
#include "stdafx.h"
#include <math.h>
#include "ColourPicker.h"
#include "ColourPopup.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_COLOUR -1
#define MAX_COLOURS 100
ColourTableEntry CColourPopup::m_crColours[] =
{
{ 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") }
};
/////////////////////////////////////////////////////////////////////////////
// CColourPopup
CColourPopup::CColourPopup()
{
Initialise();
}
CColourPopup::CColourPopup(CPoint p, COLORREF crColour, CWnd* pParentWnd,
LPCTSTR szDefaultText /* = NULL */,
LPCTSTR szCustomText /* = NULL */)
{
Initialise();
m_crColour = m_crInitialColour = crColour;
m_pParent = pParentWnd;
m_strDefaultText = (szDefaultText)? szDefaultText : _T("");
m_strCustomText = (szCustomText)? szCustomText : _T("");
CColourPopup::Create(p, crColour, pParentWnd, szDefaultText, szCustomText);
}
void CColourPopup::Initialise()
{
m_nNumColours = sizeof(m_crColours)/sizeof(ColourTableEntry);
ASSERT(m_nNumColours <= MAX_COLOURS);
if (m_nNumColours > MAX_COLOURS)
m_nNumColours = MAX_COLOURS;
m_nNumColumns = 0;
m_nNumRows = 0;
m_nBoxSize = 18;
m_nMargin = ::GetSystemMetrics(SM_CXEDGE);
m_nCurrentSel = INVALID_COLOUR;
m_nChosenColourSel = INVALID_COLOUR;
m_pParent = NULL;
m_crColour = m_crInitialColour = RGB(0,0,0);
m_bChildWindowVisible = FALSE;
// Idiot check: Make sure the colour square is at least 5 x 5;
if (m_nBoxSize - 2*m_nMargin - 2 < 5) m_nBoxSize = 5 + 2*m_nMargin + 2;
#ifdef _WIN32_WCE
//
// NONCLIENTMETRICS does not exist in CE
// Use the Tahoma 8 font
//
LOGFONT lf;
long nHeight;
//
// Create the option font
//
// Points 8 : -11
// 9 : -12
// 10 : -13
nHeight = -11;//(LONG)(-8 * pDC.GetDeviceCaps(LOGPIXELSY) / 72);
lf.lfHeight = nHeight;
lf.lfWidth = 0;
lf.lfEscapement = 0;
lf.lfOrientation = 0;
lf.lfWeight = FW_NORMAL;
lf.lfItalic = FALSE;
lf.lfUnderline = FALSE;
lf.lfStrikeOut = 0;
lf.lfCharSet = ANSI_CHARSET;
lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lf.lfQuality = DEFAULT_QUALITY;
lf.lfPitchAndFamily = DEFAULT_PITCH | FF_SWISS;
lstrcpy(lf.lfFaceName, TEXT("Tahoma"));
m_Font.CreateFontIndirect(&lf);
#else
// Create the font
NONCLIENTMETRICS ncm;
ncm.cbSize = sizeof(NONCLIENTMETRICS);
VERIFY(SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &ncm, 0));
m_Font.CreateFontIndirect(&(ncm.lfMessageFont));
#endif
// Create the palette
struct {
LOGPALETTE LogPalette;
PALETTEENTRY PalEntry[MAX_COLOURS];
} pal;
LOGPALETTE* pLogPalette = (LOGPALETTE*) &pal;
pLogPalette->palVersion = 0x300;
pLogPalette->palNumEntries = (WORD) m_nNumColours;
for (int i = 0; i < m_nNumColours; i++)
{
pLogPalette->palPalEntry[i].peRed = GetRValue(m_crColours[i].crColour);
pLogPalette->palPalEntry[i].peGreen = GetGValue(m_crColours[i].crColour);
pLogPalette->palPalEntry[i].peBlue = GetBValue(m_crColours[i].crColour);
pLogPalette->palPalEntry[i].peFlags = 0;
}
m_Palette.CreatePalette(pLogPalette);
}
CColourPopup::~CColourPopup()
{
m_Font.DeleteObject();
m_Palette.DeleteObject();
}
BOOL CColourPopup::Create(CPoint p, COLORREF crColour, CWnd* pParentWnd,
LPCTSTR szDefaultText /* = NULL */,
LPCTSTR szCustomText /* = NULL */)
{
ASSERT(pParentWnd && ::IsWindow(pParentWnd->GetSafeHwnd()));
ASSERT(pParentWnd->IsKindOf(RUNTIME_CLASS(CColourPicker)));
m_pParent = pParentWnd;
m_crColour = m_crInitialColour = crColour;
// Get the class name and create the window
#ifdef _WIN32_WCE
//
// CS_CLASSDC does not exist in CE
//
CString szClassName = AfxRegisterWndClass(CS_SAVEBITS|CS_HREDRAW|CS_VREDRAW,
0,
(HBRUSH) (COLOR_BTNFACE+1),
0);
#else
CString szClassName = AfxRegisterWndClass(CS_CLASSDC|CS_SAVEBITS|CS_HREDRAW|CS_VREDRAW,
0,
(HBRUSH) (COLOR_BTNFACE+1),
0);
#endif
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;
// 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();
#ifndef _WIN32_WCE
//
// Create the tooltips
// Only for desktop versions
//
CreateToolTips();
#endif
// Find which cell (if any) corresponds to the initial colour
FindCellFromColour(crColour);
// Capture all mouse events for the life of this window
SetCapture();
return TRUE;
}
BEGIN_MESSAGE_MAP(CColourPopup, CWnd)
#ifdef _WIN32_WCE
ON_WM_LBUTTONDOWN() // CE uses WM_LBUTTONDOWN instead of WM_MOUSEMOVE
#else
ON_WM_NCDESTROY()
ON_WM_ACTIVATEAPP()
ON_WM_MOUSEMOVE()
#endif
//{{AFX_MSG_MAP(CColourPopup)
ON_WM_LBUTTONUP()
ON_WM_PAINT()
ON_WM_KEYDOWN()
ON_WM_QUERYNEWPALETTE()
ON_WM_PALETTECHANGED()
ON_WM_KILLFOCUS()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CColourPopup message handlers
// For tooltips
BOOL CColourPopup::PreTranslateMessage(MSG* pMsg)
{
#ifndef _WIN32_WCE
m_ToolTip.RelayEvent(pMsg);
#endif
// Fix (Adrian Roman): Sometimes if the picker loses focus it is never destroyed
if (GetCapture()->GetSafeHwnd() != m_hWnd)
SetCapture();
return CWnd::PreTranslateMessage(pMsg);
}
// If an arrow key is pressed, then move the selection
void CColourPopup::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_nNumColours-1);
col = GetColumn(m_nNumColours-1);
}
}
else if (row == CUSTOM_BOX_VALUE)
{
row = GetRow(m_nNumColours-1);
col = GetColumn(m_nNumColours-1);
}
else if (row > 0) row--;
else /* row == 0 */
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