Form Designer

// ColorPicker.h: interface for the CColorPicker class.
//
// Author : David Shepherd
//			Copyright (c) 2002, DaeDoe-Software
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_COLORPICKER_H__63C4C445_6BE9_11D6_BCED_A54004CBB944__INCLUDED_)
#define AFX_COLORPICKER_H__63C4C445_6BE9_11D6_BCED_A54004CBB944__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

// tab control id
#define CP_IDC_TAB_CONTROL				0x1000
// system color picker id
#define CP_IDC_SYSTEM_COLOR_PICKER		0x1001
// palette color picker id
#define CP_IDC_PALETTE_COLOR_PICKER		0x1002

// tab control message map id
#define CP_MSG_MAP_TAB_CONTROL			CP_IDC_TAB_CONTROL
// system color picker message map id
#define CP_MSG_MAP_SYSTEM_COLOR_PICKER	CP_IDC_SYSTEM_COLOR_PICKER
// palette color picker message map id
#define CP_MSG_MAP_PALETTE_COLOR_PICKER	CP_IDC_PALETTE_COLOR_PICKER

/////////////////////////////////////////////////////////////////////////////
// CSystemColor
class CSystemColor
{
public:
	// name
	std::wstring m_Name;
	// color
	OLE_COLOR m_Color;

	CSystemColor();
	virtual ~CSystemColor();
};
// CSystemColor vector
typedef std::vector<CSystemColor> CSystemColorVector;

/////////////////////////////////////////////////////////////////////////////
// CPaletteColor
class CPaletteColor
{
public:
	// color
	OLE_COLOR m_Color;

	CPaletteColor();
	virtual ~CPaletteColor();
};
// CPaletteColor vector
typedef std::vector<CPaletteColor> CPaletteColorVector;

/////////////////////////////////////////////////////////////////////////////
// type definitions

// contained button
typedef CContainedWindowT<CButton> CContainedButton;
// contained list box
typedef CContainedWindowT<CListBox> CContainedListBox;
// contained tab control
typedef CContainedWindowT<CTabCtrl> CContainedTabCtrl;

/////////////////////////////////////////////////////////////////////////////
// CColorPicker
class CColorPicker : public CWindowImpl<CColorPicker>
{
private:
	// tab control
	CContainedTabCtrl m_TabCtrl;
	// system color picker
	CContainedListBox m_SystemColorPicker;
	// palette color picker
	CContainedButton m_PaletteColorPicker;

	// system colors
	CSystemColorVector m_SystemColors;
	// palette colors
	CPaletteColorVector m_PaletteColors;

	// palette cell width
	DWORD m_PaletteCellWidth;
	// palette cell height
	DWORD m_PaletteCellHeight;

	// index of the selected palette cell
	DWORD m_SelectedPaletteCellIndex;

	// while TRUE this keeps the internal message loop running
	BOOL m_RunMessageLoop;

	// returns the color picker font
	CFontHandle GetFont();

	// loads system colors
	void LoadSystemColors();
	// loads palette colors
	void LoadPaletteColors();

	// sizes and positions the color picker
	void SetSizeAndPosition(const CPoint &TopRight);

	// selects the initial color
	void SelectStartColor();

	// draws the system color picker
	void DrawSystemColorPicker(const DRAWITEMSTRUCT &DrawItemStruct);
	// draws the palette color picker
	void DrawPaletteColorPicker(const DRAWITEMSTRUCT &DrawItemStruct);

	// returns the rectangle of the specified palette cell
	CRect GetPaletteCellRect(DWORD PaletteCellIndex);
	// determines which palette cell is located at the passed position
	DWORD PaletteCellHitTest(const CPoint &Pos);
	// selects the palette cell located at the passed position
	void SelectPaletteCellAtPos(const CPoint &Pos);

public:
	// color
	OLE_COLOR m_Color;

	CColorPicker();
	virtual ~CColorPicker();

	// shows the color picker
	BOOL PickColor(const CWindow &Parent,const CPoint &TopRight);

BEGIN_MSG_MAP(CColorPicker)
	MESSAGE_HANDLER(WM_CREATE, OnCreate)
	MESSAGE_HANDLER(WM_SIZE, OnSize)
	MESSAGE_HANDLER(WM_MEASUREITEM, OnMeasureItem)
	MESSAGE_HANDLER(WM_DRAWITEM, OnDrawItem)
	MESSAGE_HANDLER(WM_ACTIVATE, OnActivate)
	MESSAGE_HANDLER(WM_KILLFOCUS, OnKillFocus)
	NOTIFY_HANDLER(CP_IDC_TAB_CONTROL, TCN_SELCHANGE, OnSelChangeTabCtrl)
	COMMAND_HANDLER(CP_IDC_SYSTEM_COLOR_PICKER, LBN_SELCHANGE, OnSelChangeSystemColorPicker)
// tab control message map
ALT_MSG_MAP(CP_MSG_MAP_TAB_CONTROL)
	MESSAGE_HANDLER(WM_ACTIVATE, OnActivate)
	MESSAGE_HANDLER(WM_KILLFOCUS, OnKillFocus)
// system color picker message map
ALT_MSG_MAP(CP_MSG_MAP_SYSTEM_COLOR_PICKER)
	MESSAGE_HANDLER(WM_ACTIVATE, OnActivate)
	MESSAGE_HANDLER(WM_KILLFOCUS, OnKillFocus)
// palette color picker message map
ALT_MSG_MAP(CP_MSG_MAP_PALETTE_COLOR_PICKER)
	MESSAGE_HANDLER(WM_LBUTTONDOWN, OnPaletteColorPickerLButtonDown)
	MESSAGE_HANDLER(WM_LBUTTONUP, OnPaletteColorPickerLButtonUp)
	MESSAGE_HANDLER(WM_MOUSEMOVE, OnPaletteColorPickerMouseMove)
	MESSAGE_HANDLER(WM_RBUTTONDOWN, OnPaletteColorPickerRButtonDown)
	MESSAGE_HANDLER(WM_CAPTURECHANGED, OnPaletteColorPickerCaptureChanged)
	MESSAGE_HANDLER(WM_ERASEBKGND, OnPaletteColorPickerEraseBkgnd)
	MESSAGE_HANDLER(WM_ACTIVATE, OnActivate)
	MESSAGE_HANDLER(WM_KILLFOCUS, OnKillFocus)
END_MSG_MAP()
// Handler prototypes:
//  LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
//  LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
//  LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);

// message handlers
	LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnMeasureItem(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnDrawItem(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnActivate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnKillFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnSelChangeTabCtrl(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);
	LRESULT OnSelChangeSystemColorPicker(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);

// message handlers	(tab control)

// message handlers (system color picker)

// message handlers (palette color picker)
	LRESULT OnPaletteColorPickerLButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnPaletteColorPickerLButtonUp(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnPaletteColorPickerMouseMove(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnPaletteColorPickerRButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnPaletteColorPickerCaptureChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnPaletteColorPickerEraseBkgnd(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
};

#endif // !defined(AFX_COLORPICKER_H__63C4C445_6BE9_11D6_BCED_A54004CBB944__INCLUDED_)