102 lines
4.1 KiB
C++
102 lines
4.1 KiB
C++
/*****************************************************************************\
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FILE: ColorCtrl.h
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DESCRIPTION:
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This code will display a ColorPicking control. It will preview a color
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and have a drop down arrow. When dropped down, it will show 16 or so common
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colors with a "Other..." option for a full color picker.
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BryanSt 7/25/2000 Converted from the Display Control Panel.
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Copyright (C) Microsoft Corp 2000-2000. All rights reserved.
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\*****************************************************************************/
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#ifndef _COLORCONTROL_H
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#define _COLORCONTROL_H
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#include <cowsite.h>
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#define NUM_COLORSMAX 64
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#define NUM_COLORSPERROW 4
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class CColorControl : public CObjectWithSite
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, public CObjectWindow
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{
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public:
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//////////////////////////////////////////////////////
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// Public Interfaces
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//////////////////////////////////////////////////////
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// *** IUnknown ***
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
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virtual STDMETHODIMP_(ULONG) AddRef(void);
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virtual STDMETHODIMP_(ULONG) Release(void);
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// *** IColorControl ***
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virtual STDMETHODIMP Initialize(IN HWND hwnd, IN COLORREF rgbColor);
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virtual STDMETHODIMP GetColor(IN COLORREF * pColor);
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virtual STDMETHODIMP SetColor(IN COLORREF color);
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virtual STDMETHODIMP OnCommand(IN HWND hDlg, IN UINT message, IN WPARAM wParam, IN LPARAM lParam);
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virtual STDMETHODIMP OnDrawItem(IN HWND hDlg, IN UINT message, IN WPARAM wParam, IN LPARAM lParam);
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virtual STDMETHODIMP ChangeTheme(IN HWND hDlg);
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CColorControl();
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virtual ~CColorControl(void);
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protected:
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private:
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// Private Member Variables
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int m_cRef;
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COLORREF m_rbgColor; // Our current color
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HBRUSH m_brColor; // Our brush in our color that we use to paint the control.
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int m_cxEdgeSM; // Cached SM_CXEDGE system metric
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int m_cyEdgeSM; // Cached SM_CYEDGE system metric
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HTHEME m_hTheme; // theme the ownerdrawn color picker button
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// Used when display the control UI.
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HWND m_hwndParent;
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COLORREF m_rbgCustomColors[16]; // This is the user customized palette.
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BOOL m_fCursorHidden; // Did we hide the cursor?
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BOOL m_fCapturing; // Are we capturing the mouse?
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BOOL m_fJustDropped; //
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int m_iNumColors;
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COLORREF m_rbgColors[NUM_COLORSMAX];
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int m_dxColor;
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int m_dyColor;
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int m_nCurColor;
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DWORD m_dwFlags;
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COLORREF m_rbgColorTemp; // The color we may start to use
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BOOL m_fPalette;
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HPALETTE m_hpalVGA; // only exist if palette device
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HPALETTE m_hpal3D; // only exist if palette device
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// Private Member Functions
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void _InitDialog(HWND hDlg);
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HRESULT _SaveCustomColors(void);
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BOOL _UseColorPicker(void);
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BOOL _ChooseColorMini(void);
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HRESULT _InitColorAndPalette(void);
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COLORREF _NearestColor(COLORREF rgb);
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void _TrackMouse(HWND hDlg, POINT pt);
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void _FocusColor(HWND hDlg, int iNewColor);
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void _DrawColorSquare(HDC hdc, int iColor);
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void _DrawItem(HWND hDlg, LPDRAWITEMSTRUCT lpdis);
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void _DrawDownArrow(HDC hdc, LPRECT lprc, BOOL bDisabled);
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INT_PTR _ColorPickDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
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static INT_PTR CALLBACK ColorPickDlgProc(HWND hDlg, UINT uMessage, WPARAM wParam, LPARAM lParam);
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};
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#endif // _COLORCONTROL_H
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