trackbar.hpp

一个WinCE6。0下的IP phone的源代码

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
//
#pragma once

#ifndef __TRACKBAR_HPP__
#define __TRACKBAR_HPP__

#include "Controls.hpp"
#include "CommonControl.hpp"
#include <commctrl.h>
#include "PaintHelper.hpp"


/*------------------------------------------------------------------------------
    TrackBarImpl_t

    Implementation of a customdrawn/notified trackbar control
------------------------------------------------------------------------------*/
class TrackBarImpl_t :
    public CommonControlImpl_t<TrackBarImpl_t, TrackBar_t>
{
public:
    TrackBarImpl_t();
    ~TrackBarImpl_t();

    //subclass the build
    DECLARE_SUPERCLASS(TRACKBAR_CLASS);

    LRESULT
    ControlWindowProc(
        UINT Message,
        WPARAM wParam,
        LPARAM lParam,
        bool& Handled
        );

private:
    // Message handlers
    LRESULT
    OnCustomDraw(
        __in NMCUSTOMDRAW* pNMCustomDrawStruct
        );

    LRESULT
    OnGetCallback(
        );

    LRESULT
    OnSetCallback(
        LPARAM lParam
        );

    LRESULT
    OnKillFocus(
        WPARAM wParam,
        LPARAM lParam
        );

    LRESULT
    OnSetFocus(
        WPARAM wParam,
        LPARAM lParam
        );

    HRESULT
    DrawChannel(
        HDC hdc,
        BOOL IsSelected,
        __in const RECT* pRectangle
        );

    HRESULT
    DrawThumb(
        HDC hdc,
        BOOL IsSelected,
        __in const RECT* pRectangle
        );

private:
    INT_PTR         m_pCallback;
    Bitmap_t        m_Channel;
    Bitmap_t        m_ChannelSelected;
    Bitmap_t        m_Thumb;
    Bitmap_t        m_ThumbSelected;
};

#endif //!defined __TRACKBAR_HPP__