让程序用自定义的菜单-自定义菜单AVKON_VIEW,CBA,MENU_BAR,MENU_PANE

本文链接：https://blog.youkuaiyun.com/think12/article/details/5834940

本文档详细介绍了Symbian平台下AVKon界面库的使用方法，包括如何定义菜单栏、菜单项、子菜单及按钮行为等。通过具体代码示例展示了如何设置软键选项并根据不同的条件控制菜单项的显示与隐藏。

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注意：一般情况下不要修改CBA栏的左键ID，默认就是EAknSoftkeyOptions，不要修改为别的。

// -----------------------------------------------------------------------------
// help menu avkon
//在CHelpView::ConstructL()函数中调用
// -----------------------------------------------------------------------------

RESOURCE AVKON_VIEW r_help_menu
{
    menubar = r_help_menu_bar;
    //cba = R_AVKON_SOFTKEYS_OPTIONS_EXIT;
    //自定义CBA
    cba = r_help_menu_cba;
}
//定义CBA栏
RESOURCE CBA r_help_menu_cba
{
buttons=
    {
        AVKON_CBA_BUTTON
        {
            id = EAknSoftkeyOptions;
            txt = qtn_hewb_option;
        },
        AVKON_CBA_BUTTON
        {
            id = EExit;
            txt = qtn_hewb_exit;
        }
    };

}
//定义菜单块
RESOURCE MENU_BAR r_help_menu_bar
{
titles =
    {
    MENU_TITLE { menu_pane = r_help_menu_pane; }
    };
}
//定义菜单面板
RESOURCE MENU_PANE r_help_menu_pane
{
    items =
        {
        // added the new Options menu command here
        MENU_ITEM
            {
            command = EInput;
            txt = qtn_hewb_input;
            //cascade = r_potato_menupane;
            },
        MENU_ITEM
            {
            command = EHelpTwo;
            txt = qtn_hewb_helptwo;
            }
        };
}

//定义子菜单的菜单面板
RESOURCE MENU_PANE r_potato_menupane
{
    items =
        {
        // added the new Options menu command here
        MENU_ITEM
            {
            command = EMenuPotato1;
            txt = qtn_menu_potato1;
            },
            MENU_ITEM
            {
            command = EMenuPotato2;
            txt = qtn_menu_potato2;
            }
        };
}

//控制菜单的显示与隐藏，由系统调用
void CListView::DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane)
    {
    if (aResourceId != R_LIST_MENU_PANE)
        return;

    //如果没有记录的情况下，就隐藏EListComeCard,EListCallPerson,EListSendCard
    if (0 == iSelectCountNum)
        {
        aMenuPane->SetItemDimmed(EListComeCard, ETrue);
        aMenuPane->SetItemDimmed(EListCallPerson, ETrue);
        aMenuPane->SetItemDimmed(EListSendCard, ETrue);
        }
    else
        {
        aMenuPane->SetItemDimmed(EListComeCard, EFalse);
        aMenuPane->SetItemDimmed(EListCallPerson, EFalse);
        aMenuPane->SetItemDimmed(EListSendCard, EFalse);
        }

    }