www.pudn.com > uoth_src.zip > ColorButton.h
#ifndef DSSI_COLORBUTTON_H
#define DSSI_COLORBUTTON_H
//-----------------------------------------------------------------------------
//
// @doc
//
// @module ColorButton.h - IO monitor main window |
//
// This module contains the definition of the io monitor window.
//
// Based on work by Chris Maunder, Alexander Bischofberger and James White.
// (See following original copyright statement)
//
// http://www.codetools.com/miscctrl/colorbutton.asp
// http://www.codetools.com/miscctrl/colour_picker.asp
//
// Copyright (c) 2000-2002 - Descartes Systems Sciences, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Neither the name of Descartes Systems Sciences, Inc nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// --- ORIGINAL COPYRIGHT STATEMENT ---
//
// 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.
//
// @end
//
// $History: ColorButton.h $
//
// ***************** Version 3 *****************
// User: Tim Smith Date: 9/10/01 Time: 9:05a
// Updated in $/Omni_V2/exe_cnf
//
// ***************** Version 2 *****************
// User: Tim Smith Date: 8/28/01 Time: 4:25p
// Updated in $/Omni_V2/exe_cnf
// Updated copyright dates.
//
// ***************** Version 1 *****************
// User: Tim Smith Date: 8/28/01 Time: 3:19p
// Created in $/Omni_V2/exe_cnf
//
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//
// Required include files
//
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//
// Forward definitions
//
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//
// Test for themes
//
//-----------------------------------------------------------------------------
#if !defined (COLORBUTTON_NOTHEMES) && !defined (__ATLTHEME_H__)
#define COLORBUTTON_NOTHEMES
#endif
//-----------------------------------------------------------------------------
//
// Notification messages
//
//-----------------------------------------------------------------------------
#define CPN_SELCHANGE 0x8000 /* Colour Picker Selection change */
#define CPN_DROPDOWN 0x8001 /* Colour Picker drop down */
#define CPN_CLOSEUP 0x8002 /* Colour Picker close up */
#define CPN_SELENDOK 0x8003 /* Colour Picker end OK */
#define CPN_SELENDCANCEL 0x8004 /* Colour Picker end (cancelled) */
struct NMCOLORBUTTON
{
NMHDR hdr;
BOOL fColorValid;
COLORREF clr;
};
//-----------------------------------------------------------------------------
//
// Class definition
//
//-----------------------------------------------------------------------------
class CColorButton :
public CWindowImpl
#if !defined (COLORBUTTON_NOTHEMES)
, public CThemeImpl
#endif
{
// @access Types and enumerations
public:
struct ColorTableEntry
{
COLORREF clrColor;
LPCTSTR pszName;
};
// @access Construction and destruction
public:
// @cmember General constructor
CColorButton ();
// @cmember General destructor
~CColorButton ();
// @access Public inline methods
public:
// @cmember Subclass the window
BOOL SubclassWindow (HWND hWnd);
// @cmember Get the current color
COLORREF GetColor (void) const
{
return m_clrCurrent;
}
// @cmember Set the current color
void SetColor (COLORREF clrCurrent)
{
m_clrCurrent = clrCurrent;
if (IsWindow ())
InvalidateRect (NULL);
}
// @cmember Get the default color
COLORREF GetDefaultColor (void) const
{
return m_clrDefault;
}
// @cmember Set the default color
void SetDefaultColor (COLORREF clrDefault)
{
m_clrDefault = clrDefault;
}
// @cmember Set the custom text
void SetCustomText (LPCTSTR pszText)
{
if (m_pszCustomText)
free (m_pszCustomText);
if (pszText)
m_pszCustomText = _tcsdup (pszText);
else
m_pszCustomText = NULL;
}
// @cmember Set the custom text via a resource string
void SetCustomText (UINT nID)
{
if (nID == 0)
SetCustomText ((LPCTSTR) NULL);
else
{
TCHAR szText [256];
if (LoadString (_Module .GetResourceInstance (),
nID, szText, _countof (szText)) == 0)
return;
SetCustomText (szText);
}
}
// @cmember Set the default text
void SetDefaultText (LPCTSTR pszText)
{
if (m_pszDefaultText)
free (m_pszDefaultText);
if (pszText)
m_pszDefaultText = _tcsdup (pszText);
else
m_pszDefaultText = NULL;
}
// @cmember Set the default text via a resource string
void SetDefaultText (UINT nID)
{
if (nID == 0)
SetDefaultText ((LPCTSTR) NULL);
else
{
TCHAR szText [256];
if (LoadString (_Module .GetResourceInstance (),
nID, szText, _countof (szText)) == 0)
return;
SetDefaultText (szText);
}
}
// @cmember Get the tracking flag
BOOL GetTrackSelection (void) const
{
return m_fTrackSelection;
}
// @cmember Set the tracking flag
void SetTrackSelection (BOOL fTrack)
{
m_fTrackSelection = fTrack;
}
// @cmember Set both strings from a resource
void SetText (UINT nDefault, UINT nCustom)
{
SetDefaultText (nDefault);
SetCustomText (nCustom);
}
// @cmember Do we have custom text
BOOL HasCustomText () const
{
return m_pszCustomText && m_pszCustomText [0] != 0;
}
// @cmember Do we have default text
BOOL HasDefaultText () const
{
return m_pszDefaultText && m_pszDefaultText [0] != 0;
}
// @access ATL window support
public:
BEGIN_MSG_MAP (CColorButton)
#if !defined (COLORBUTTON_NOTHEMES)
CHAIN_MSG_MAP (CThemeImpl ) // should be here, not at bottom
#endif
MESSAGE_HANDLER (WM_MOUSEMOVE, OnMouseMove);
MESSAGE_HANDLER (WM_MOUSELEAVE, OnMouseLeave);
MESSAGE_HANDLER (OCM__BASE + WM_DRAWITEM, OnDrawItem)
REFLECTED_COMMAND_CODE_HANDLER (BN_CLICKED, OnClicked)
ALT_MSG_MAP (1)
MESSAGE_HANDLER (WM_PAINT, OnPickerPaint);
MESSAGE_HANDLER (WM_QUERYNEWPALETTE, OnPickerQueryNewPalette);
MESSAGE_HANDLER (WM_PALETTECHANGED, OnPickerPaletteChanged);
END_MSG_MAP ()
// @access ATL Message handlers
protected:
// @cmember Handle draw item
LRESULT OnDrawItem (UINT uMsg,
WPARAM wParam, LPARAM lParam, BOOL &bHandled);
// @cmember Handle mouse move
LRESULT OnMouseMove (UINT uMsg,
WPARAM wParam, LPARAM lParam, BOOL &bHandled);
// @cmember Handle mouse leave
LRESULT OnMouseLeave (UINT uMsg,
WPARAM wParam, LPARAM lParam, BOOL &bHandled);
// @cmember Handle key down for picker
LRESULT OnPickerKeyDown (UINT uMsg,
WPARAM wParam, LPARAM lParam, BOOL &bHandled);
// @cmember Handle button up event for picker
LRESULT OnPickerLButtonUp (UINT uMsg,
WPARAM wParam, LPARAM lParam, BOOL &bHandled);
// @cmember Handle mouse move for picker
LRESULT OnPickerMouseMove (UINT uMsg,
WPARAM wParam, LPARAM lParam, BOOL &bHandled);
// @cmember Handle paint for picker
LRESULT OnPickerPaint (UINT uMsg,
WPARAM wParam, LPARAM lParam, BOOL &bHandled);
// @cmember Handle palette query for picker
LRESULT OnPickerQueryNewPalette (UINT uMsg,
WPARAM wParam, LPARAM lParam, BOOL &bHandled);
// @cmember Handle palette change for picker
LRESULT OnPickerPaletteChanged (UINT uMsg,
WPARAM wParam, LPARAM lParam, BOOL &bHandled);
// @access Notification handlers
public:
// @cmember Handle on click
LRESULT OnClicked (WORD wNotifyCode, WORD wID,
HWND hWndCtl, BOOL& bHandled);
// @access Protected methods
protected:
// @cmember Display the picker popup
BOOL Picker ();
// @cmember Set the window size of the picker control
void SetPickerWindowSize ();
// @cmember Create the picker tooltips
void CreatePickerToolTips (CToolTipCtrl &sToolTip);
// @cmember Get the rect of a given cell
BOOL GetPickerCellRect (int nIndex, RECT *pRect) const;
// @cmember Set the selected color from the given color
void FindPickerCellFromColor (COLORREF clr);
// @cmember Set a new selection
void ChangePickerSelection (int nIndex);
// @cmember End the picker selection process
void EndPickerSelection (BOOL fOked);
// @cmember Draw a cell
void DrawPickerCell (CDC &dc, int nIndex);
// @cmember Send notification message
void SendNotification (UINT nCode, COLORREF clr, BOOL fColorValid);
// @cmember Do a hit test
int PickerHitTest (const POINT &pt);
// @access Protected static methods
protected:
// @cmember Draw an arrow
static void DrawArrow (CDC &dc, const RECT &rect,
int iDirection = 0, COLORREF clrArrow = RGB (0, 0, 0));
// @access Protected members
protected:
//
// THE FOLLOWING variables control the actual button
//
// @cmember Current color
COLORREF m_clrCurrent;
// @cmember default color
COLORREF m_clrDefault;
// @cmember Default text
LPTSTR m_pszDefaultText;
// @cmember Custom text
LPTSTR m_pszCustomText;
// @cmember True if popup active override
BOOL m_fPopupActive;
// @cmember True if tracking selection
BOOL m_fTrackSelection;
// @cmember True if the mouse is over
BOOL m_fMouseOver;
//
// THE FOLLOWING variables control the popup
//
// @cmember The contained picker control
CContainedWindow m_wndPicker;
// @cmember Array of colors for the popup
static ColorTableEntry gm_sColors [];
// @cmember Number of columns in the picker
int m_nNumColumns;
// @cmember Number of rows in the picker
int m_nNumRows;
// @cmember Total number of colors in the color array
int m_nNumColors;
// @cmember Font used on the picker control
CFont m_font;
// @cmember Pallete used on the picker control
CPalette m_palette;
// @cmember Current picker color
COLORREF m_clrPicker;
// @cmember Margins for the picker
CRect m_rectMargins;
// @cmember Rectangle of the custom text
CRect m_rectCustomText;
// @cmember Rectangle of the default text
CRect m_rectDefaultText;
// @cmember Rectangle of the boxes
CRect m_rectBoxes;
// @cmember If true, menu is flat
BOOL m_fPickerFlat;
// @cmember Size of the color boxes
CSize m_sizeBox;
// @cmember Picker current selection
int m_nCurrentSel;
// @cmember The original user selection
int m_nChosenColorSel;
// @cmember If true, the picker was OK, and no canceled out
BOOL m_fOked;
// @cmember Color used to draw background
COLORREF m_clrBackground;
// @cmember Color used for highlight border
COLORREF m_clrHiLightBorder;
// @cmember Color used for highlight
COLORREF m_clrHiLight;
// @cmember Color used for low-light
COLORREF m_clrLoLight;
// @cmember Color used for highlight text
COLORREF m_clrHiLightText;
// @cmember Color used for normal text
COLORREF m_clrText;
};
#endif // DSSI_COLORBUTTON_H