hotkeys.cpp

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.
//
#include "HotKeys.hpp"
#include "Common.hpp"
#include "resource.h"


const HotKeys_t::HotKeysRCData_t* HotKeys_t::s_pHotKeys = NULL;


HRESULT
HotKeys_t::InitializeRCData(
    void
    )
{
    HotKeys_t::HotKeysRCData_t* pHotKeys;

    HRESULT hr = CommonUtilities_t::InitializeRCDataHelper(
        IDR_HOTKEYS_DATA,
        sizeof(HotKeys_t::HotKeysRCData_t),
        reinterpret_cast<void**>(&pHotKeys)
        );

    s_pHotKeys = pHotKeys;
    return hr;
}

UINT
HotKeys_t::GetHotKey(
    HotKeyId_e vkHotKey
    )
{
    if (s_pHotKeys && (vkHotKey < LastHotKey))
    {
        return s_pHotKeys->m_VirtualKeys[vkHotKey];
    }

    switch (vkHotKey)
    {
    case vkHome:
        return VK_HOME;

    case vkMenu:
        return VK_END;

    case vkButton1:
    case vkButton2:
    case vkButton3:
    case vkButton4:
        return VK_F1 + (vkHotKey - vkButton1);

    case vkDirectory:
        return VK_RETURN;

    case vkSpeedDial:
        return VK_TAB;

    case vkVolumeUp:
        return VK_PRIOR;
    case vkVolumeDown:
        return VK_NEXT;

    case vkShutdown:
        return VK_F12;

    default:
        ASSERT(0);
        return 0;
    }
}

HRESULT
HotKeys_t::RegisterHotKeys(
    HWND Owner
    )
{
    HRESULT hr;

    hr = InitializeRCData();
    if (FAILED(hr))
    {
        return hr;
    }

    //Loop through the hotkeys and register them with the system    
    int Index;
    for (Index = 0; Index < _countof(s_pHotKeys->m_VirtualKeys); Index++)
    {
        if (
            !RegisterHotKey(
                Owner, 
                (vkHome + Index),
                MOD_KEYUP, //register they keys as keyup
                s_pHotKeys->m_VirtualKeys[Index]
                )
            )
        {
            return CommonUtilities_t::GetErrorFromWin32();
        }
    }

    return S_OK;
}

HRESULT
HotKeys_t::UnRegisterHotKeys(
    HWND Owner
    )
{
    if (!s_pHotKeys)
    {
        return S_FALSE;
    }

    //Loop through the hotkeys and register them with the system    
    int Index;
    for (Index = 0; Index < _countof(s_pHotKeys->m_VirtualKeys); Index++)
    {
        if (!UnregisterHotKey(Owner, (vkHome + Index)))
        {
            return CommonUtilities_t::GetErrorFromWin32();
        }
    }

    return S_OK;
}