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gui_dynamic_menus.c：源码内容
							/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*******************************************************************************
 * Filename:
 * ---------
 * gui_dynamic_menus.c
 *
 * Project:
 * --------
 *   PlutoMMI
 *
 * Description:
 * ------------
 *   In order to use limited memory (size decided in compile-time) to load unlimited items (size decide in run-time) 
 *   to a category screen, a modification in MMI for dynamic item loading is required as the following.
 *
 * Author:
 * -------
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
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 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#include "MMI_Features.h"
#include "gui_config.h"
#include "gui_dynamic_menus.h"
#include "wgui_dynamic_menuitems.h"
#include "gui_windows.h"
#include "DebugInitDef.h"
#include "wgui_categories_util.h"
/* PMT NEERAJ START 20050616 */
#ifdef __MMI_UI_TAB_PANE__
#include "wgui_tab.h"
#endif 
//PMT NEERAJ END 20050616
//MTK Elvis for R2L characters
extern BOOL r2lMMIFlag;
/* MTK end */
/*
 * NOTE: we use load_chunk_dynamic_item_buffer from 
 * first_displayed_item to (m->last_displayed_item + 1).
 * It's because some UI functions access data of (m->last_displayed_item + 1).
 *
 */
#ifdef __MMI_TOUCH_SCREEN__
static void gui_dynamic_list_abort_scroll_timer(void);
#endif 
/* PMT VIKAS START 20050707 */
#ifdef __MMI_UI_DALMATIAN_FIXEDLIST__
extern MMI_theme *current_MMI_theme;
extern line_draw;
#endif /* __MMI_UI_DALMATIAN_FIXEDLIST__ */ 
/* PMT VIKAS END 20050707 */
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_locate_highlighted_item
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void gui_dynamic_list_menu_locate_highlighted_item(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    /* FIXME. handle the case that m->height < iheight */
    S32 iwidth, iheight;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (m->flags & UI_LIST_MENU_FIRST_SHIFT_HIGHLIGHTED_ITEM)
    {
        S32 total_height = 0, i;
        U8 done = 0;
        S32 list_height = m->height;
        m->flags &= ~UI_LIST_MENU_FIRST_SHIFT_HIGHLIGHTED_ITEM;
        m->first_displayed_item = m->highlighted_item;
        for (i = m->n_items - 1; (i >= 0) && (!done); i--)
        {
            /* Use NULL to measure menu item height because the data of menu item might not be loaded yet */
            //PMT NEERAJ START 20050712
            //PMT NEERAJ START 20050825
        #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
            /* PMT NEERAJ END 20050825 */
            if (i == m->highlighted_item)
            {
                current_fixed_list_menuitem_display_index = -1;
            }
            else
            {
                current_fixed_list_menuitem_display_index = i;
            }
        #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
            /* PMT NEERAJ END 20050712 */
            m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
            total_height += iheight;
            if (total_height > list_height + 1)
            {
                if (m->first_displayed_item > i)
                {
                    done = 1;
                    m->first_displayed_item = i + 1;
                    m->last_displayed_item = m->n_items - 1;
                }
                break;
            }
        }
        if (total_height <= list_height)
        {
            m->first_displayed_item = 0;
        }
        total_height = 0;
        for (i = m->first_displayed_item; (i < m->n_items) && (!done); i++)
        {
            //PMT NEERAJ START 20050712
            //PMT NEERAJ START 20050825
        #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
            /* PMT NEERAJ END 20050825 */
            if (i == m->highlighted_item)
            {
                current_fixed_list_menuitem_display_index = -1;
            }
            else
            {
                current_fixed_list_menuitem_display_index = i;
            }
        #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
            /* PMT NEERAJ END 20050712 */
            m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
            total_height += iheight;
            if (total_height > list_height + 1)
            {
                done = 1;
                m->last_displayed_item = i - 1;
            }
        }
    }
    else if (m->flags & UI_LIST_MENU_LAST_SHIFT_HIGHLIGHTED_ITEM)
    {
        S32 total_height = 0, i;
        U8 done = 0;
        S32 list_height = m->height;
        m->flags &= ~UI_LIST_MENU_LAST_SHIFT_HIGHLIGHTED_ITEM;
        m->last_displayed_item = m->highlighted_item;
        /* Check if in the first page */
        for (i = 0; (i < m->n_items) && !done; i++)
        {
            //PMT NEERAJ START 20050712
            //PMT NEERAJ START 20050825
        #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
            /* PMT NEERAJ END 20050825 */
            if (i == m->highlighted_item)
            {
                current_fixed_list_menuitem_display_index = -1;
            }
            else
            {
                current_fixed_list_menuitem_display_index = i;
            }
        #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
            /* PMT NEERAJ END 20050712 */
            m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
            total_height += iheight;
            if (total_height > list_height + 1)
            {
                if (m->last_displayed_item < i)
                {
                    done = 1;
                    m->first_displayed_item = 0;
                    m->last_displayed_item = i - 1;
                }
                break;
            }
        }
        /* Check if in the last page */
        if (!done && total_height <= list_height)
        {
            done = 1;
            m->first_displayed_item = 0;
            m->last_displayed_item = m->n_items - 1;
        }
        /* Align to the bottom */
        total_height = 0;
        if (!done)
        {
            for (i = m->last_displayed_item; (i >= 0) && (!done); i--)
            {
                //PMT NEERAJ START 20050712
                //PMT NEERAJ START 20050825
            #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
                /* PMT NEERAJ END 20050825 */
                if (i == m->highlighted_item)
                {
                    current_fixed_list_menuitem_display_index = -1;
                }
                else
                {
                    current_fixed_list_menuitem_display_index = i;
                }
            #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
                /* PMT NEERAJ END 20050712 */
                m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
                total_height += iheight;
                if (total_height > list_height + 1)
                {
                    done = 1;
                    m->first_displayed_item = i + 1;
                }
            }
            if (!done)
            {
                m->first_displayed_item = 0;
            }
        }
    }
    else
    {
        if (m->highlighted_item < m->first_displayed_item)
        {
            /* Scroll up. Because m->n_items > m->displayed_items, it is simpler than UI_LIST_MENU_FIRST_SHIFT_HIGHLIGHTED_ITEM */
            U8 done = 0;
            S32 total_height = 0, i;
            S32 list_height = m->height;
            m->first_displayed_item = m->highlighted_item;
            for (i = m->first_displayed_item; i < m->n_items && (!done); i++)
            {
                //PMT NEERAJ START 20050712
                //PMT NEERAJ START 20050825
            #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
                /* PMT NEERAJ END 20050825 */
                if (i == m->highlighted_item)
                {
                    current_fixed_list_menuitem_display_index = -1;
                }
                else
                {
                    current_fixed_list_menuitem_display_index = i;
                }
            #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
                /* PMT NEERAJ END 20050712 */
                m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
                total_height += iheight;
                if (total_height > list_height + 1)
                {
                    done = 1;
                    m->last_displayed_item = i - 1;
                }
            }
        }
        else if (m->highlighted_item > m->last_displayed_item)
        {
            /* Scroll down. Because m->n_items > m->displayed_items, it is simpler than UI_LIST_MENU_LAST_SHIFT_HIGHLIGHTED_ITEM */
            U8 done = 0;
            S32 total_height = 0, i;
            S32 list_height = m->height;
            m->last_displayed_item = m->highlighted_item;
            for (i = m->last_displayed_item; i >= 0 && (!done); i--)
            {
                //PMT NEERAJ START 20050712
                //PMT NEERAJ START 20050825
            #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
                /* PMT NEERAJ END 20050825 */
                if (i == m->highlighted_item)
                {
                    current_fixed_list_menuitem_display_index = -1;
                }
                else
                {
                    current_fixed_list_menuitem_display_index = i;
                }
            #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
                /* PMT NEERAJ END 20050712 */
                m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
                total_height += iheight;
                if (total_height > list_height + 1)
                {
                    done = 1;
                    m->first_displayed_item = i + 1;
                }
            }
        }
        else
        {
            U8 done = 0;
            S32 total_height = 0, i;
            S32 list_height = m->height;
            for (i = m->first_displayed_item; i < m->n_items && (!done); i++)
            {
                //PMT NEERAJ START 20050712
                //PMT NEERAJ START 20050825
            #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
                /* PMT NEERAJ END 20050825 */
                if (i == m->highlighted_item)
                {
                    current_fixed_list_menuitem_display_index = -1;
                }
                else
                {
                    current_fixed_list_menuitem_display_index = i;
                }
            #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
                /* PMT NEERAJ END 20050712 */
                m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
                total_height += iheight;
                if (total_height > list_height + 1)
                {
                    done = 1;
                    m->last_displayed_item = i - 1;
                }
            }
            if (total_height <= list_height + 1) /* Check height from 'first displayed item' to 'last menu item' */
            {
                total_height = 0;
                m->last_displayed_item = m->n_items - 1;
                for (i = m->n_items - 1; (i >= 0) && (!done); i--)
                {
                #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
                    if (i == m->highlighted_item)
                    {
                        current_fixed_list_menuitem_display_index = -1;
                    }
                    else
                    {
                        current_fixed_list_menuitem_display_index = i;
                    }
                #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
                    m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
                    total_height += iheight;
                    if (total_height > list_height + 1)
                    {
                        if (m->first_displayed_item > i)
                        {
                            done = 1;
                            m->first_displayed_item = i + 1;
                        }
                        break;
                    }
                }
                if (total_height <= list_height + 1) /* Check new height after setting 'last displayed item' to 'last menu item' */
                {
                    m->first_displayed_item = 0;
                }
            }
            if (m->highlighted_item > m->last_displayed_item)
            {
                done = 0;
                total_height = 0;
                m->last_displayed_item = m->highlighted_item;
                for (i = m->last_displayed_item; i >= 0 && (!done); i--)
                {
                #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
                    if (i == m->highlighted_item)
                    {
                        current_fixed_list_menuitem_display_index = -1;
                    }
                    else
                    {
                        current_fixed_list_menuitem_display_index = i;
                    }
                #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
                    m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
                    total_height += iheight;
                    if (total_height > list_height + 1)
                    {
                        done = 1;
                        m->first_displayed_item = i + 1;
                    }
                }
            }
        }
    }
    /* Load one more item because it might be accessed in gui_show_dynamic_list_menu() */
    if (m->flags & UI_LIST_MENU_DISABLE_CACHE_DYNAMIC_DATA)
    {
        flush_dynamic_item_buffer_before_load_chunk();
    }
    load_chunk_dynamic_item_buffer(m->first_displayed_item, m->last_displayed_item - m->first_displayed_item + 2);
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_locate_previous_item
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void gui_dynamic_list_menu_locate_previous_item(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (m->flags & UI_LIST_MENU_DISABLE_CACHE_DYNAMIC_DATA)
    {
        /*
         * FIXME: __MMI_UI_HINTS_IN_MENUITEM__ is not supported here.
         * UI_LIST_MENU_DISABLE_CACHE_DYNAMIC_DATA is used only in Category 185.
         */
        if (m->highlighted_item < m->first_displayed_item)
        {
            /*
             * Call gui_dynamic_list_menu_locate_highlighted_item() because 
             * * we need to load data from first_displayed_item to last_displayed_item
             * * We do not want to duplicate the code of computing last_displayed_item.
             */
            m->flags |= UI_LIST_MENU_FIRST_SHIFT_HIGHLIGHTED_ITEM;
            gui_dynamic_list_menu_locate_highlighted_item(m);
            m->flags &= ~UI_LIST_MENU_FIRST_SHIFT_HIGHLIGHTED_ITEM;
        }
    }
    else if (m->highlighted_item < m->first_displayed_item)
    {
        m->first_displayed_item = m->highlighted_item;
        load_chunk_dynamic_item_buffer(m->highlighted_item, 1);
    }
    /* PMT NEERAJ START 20050825 */
#if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
    /* PMT NEERAJ END 20050825 */
    else
    {
        S32 iwidth, iheight;
        if (m->highlighted_item == m->last_displayed_item - 1)
        {
            S32 total_height = 0, i;
            S32 list_height = m->height;
            m->first_displayed_item = 0;
            for (i = m->last_displayed_item; i >= 0; i--)
            {
                if (i == m->highlighted_item)
                {
                    current_fixed_list_menuitem_display_index = -1;
                }
                else
                {
                    current_fixed_list_menuitem_display_index = i;
                }
                m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
                total_height += iheight;
                if (total_height > list_height + 1)
                {
                    m->first_displayed_item = i + 1;
                    break;
                }
            }
            /* Load one more item because it might be accessed in gui_show_dynamic_list_menu() */
            load_chunk_dynamic_item_buffer(m->first_displayed_item, 2);
        }
    }
#endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_locate_next_item
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void gui_dynamic_list_menu_locate_next_item(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 iwidth, iheight;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    //PMT NEERAJ START 20050712
    //PMT NEERAJ START 20050825
#if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
    /* PMT NEERAJ END 20050825 */
    if (m->highlighted_item >= m->last_displayed_item)
#else /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
    /* PMT NEERAJ END 20050712 */
    if (m->highlighted_item > m->last_displayed_item)
        /* PMT NEERAJ START 20050712 */
#endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
        /* PMT NEERAJ END 20050712 */
    {
        S32 total_height = 0, i;
        S32 list_height = m->height;
        m->last_displayed_item = m->highlighted_item;
        m->first_displayed_item = 0;
        for (i = m->last_displayed_item; i >= 0; i--)
        {
            //PMT NEERAJ START 20050712
            //PMT NEERAJ START 20050825
        #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
            /* PMT NEERAJ END 20050825 */
            if (i == m->highlighted_item)
            {
                current_fixed_list_menuitem_display_index = -1;
            }
            else
            {
                current_fixed_list_menuitem_display_index = i;
            }
        #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
            /* PMT NEERAJ END 20050712 */
            m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
            total_height += iheight;
            if (total_height > list_height + 1)
            {
                m->first_displayed_item = i + 1;
                break;
            }
        }
        /* Load one more item because it might be accessed in gui_show_dynamic_list_menu() */
        if (m->flags & UI_LIST_MENU_DISABLE_CACHE_DYNAMIC_DATA)
        {
            flush_dynamic_item_buffer_before_load_chunk();
            load_chunk_dynamic_item_buffer(
                m->first_displayed_item,
                m->last_displayed_item - m->first_displayed_item + 2);
        }
        else
        {
            load_chunk_dynamic_item_buffer(m->highlighted_item, 2);
        }
    }
}
/*****************************************************************************
 * FUNCTION
 *  switch_highlighted_item
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m                           [?]         
 *  last_highlighted_item       [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void switch_highlighted_item(fixed_list_menu *m, S32 last_highlighted_item)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (last_highlighted_item != m->highlighted_item)
    {
        if ((last_highlighted_item >= 0) && (last_highlighted_item < m->n_items))
        {
            if (in_dynamic_item_buffer(last_highlighted_item))
            {
                m->item_remove_highlight_function(
                    get_dynamic_item_from_buffer(last_highlighted_item),
                    m->common_item_data);
            }
        }
        if ((m->highlighted_item >= 0) && (m->highlighted_item < m->n_items))
        {
            m->item_highlight_function(get_dynamic_item_from_buffer(m->highlighted_item), m->common_item_data);
        }
        m->item_unhighlighted(last_highlighted_item);
    #ifdef __MMI_TOUCH_SCREEN__
        m->pen_event_current_selected_callback_function = m->pen_event_default_selected_callback_function;
    #endif 
        m->item_highlighted(m->highlighted_item);
    }
#ifdef __MMI_UI_TAB_PANE__
    if (is_tab_pane_displayed_on_current_screen())
    {
        register_tab_pane_keys();
    }
#endif /* __MMI_UI_TAB_PANE__ */ 
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_goto_item
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m       [?]         
 *  i       [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void gui_dynamic_list_menu_goto_item(fixed_list_menu *m, S32 i)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
#ifdef __MMI_TOUCH_SCREEN__
    /* If highlight is changed by keypad, abort scroll timer */
    gui_dynamic_list_abort_scroll_timer();
#endif /* __MMI_TOUCH_SCREEN__ */ 
    if ((i < 0) || (i > m->n_items - 1))
    {
        return;
    }
    if (i == m->highlighted_item)
    {
        return;
    }
    last_highlighted_item = m->highlighted_item;
    m->highlighted_item = i;
    gui_dynamic_list_menu_locate_highlighted_item(m);
    switch_highlighted_item(m, last_highlighted_item);
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_goto_next_item
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void gui_dynamic_list_menu_goto_next_item(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;
    U8 loop_flag = 0;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
#ifdef __MMI_TOUCH_SCREEN__
    /* If highlight is changed by keypad, abort scroll timer */
    gui_dynamic_list_abort_scroll_timer();
#endif /* __MMI_TOUCH_SCREEN__ */ 
    if (m->highlighted_item >= m->n_items - 1)
    {
        if (m->flags & UI_LIST_MENU_LOOP)
        {
            loop_flag = 1;
        }
        else
        {
            return;
        }
    }
    last_highlighted_item = m->highlighted_item;
    if (loop_flag)
    {
        m->highlighted_item = 0;
        gui_dynamic_list_menu_locate_highlighted_item(m);
    }
    else
    {
        m->highlighted_item++;
        gui_dynamic_list_menu_locate_next_item(m);
    }
    switch_highlighted_item(m, last_highlighted_item);
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_goto_previous_item
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void gui_dynamic_list_menu_goto_previous_item(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;
    U8 loop_flag = 0;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
#ifdef __MMI_TOUCH_SCREEN__
    /* If highlight is changed by keypad, abort scroll timer */
    gui_dynamic_list_abort_scroll_timer();
#endif /* __MMI_TOUCH_SCREEN__ */ 
    if (m->highlighted_item <= 0)
    {
        if (m->flags & UI_LIST_MENU_LOOP)
        {
            loop_flag = 1;
        }
        else
        {
            return;
        }
    }
    last_highlighted_item = m->highlighted_item;
    if (loop_flag)
    {
        m->highlighted_item = m->n_items - 1;
        gui_dynamic_list_menu_locate_highlighted_item(m);
    }
    else
    {
        m->highlighted_item--;
        gui_dynamic_list_menu_locate_previous_item(m);
    }
    switch_highlighted_item(m, last_highlighted_item);
}
/*****************************************************************************
 * FUNCTION
 *  gui_show_dynamic_list_menu
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
/*
 * #include "lcd_if.h"
 * #include "gdi_datatype.h"
 * #include "gdi_layer.h"
 */
#include "gdi_include.h"
extern gdi_handle wgui_layer_1;
extern gdi_handle wgui_base_layer;
/* extern GDI_HANDLE dm_get_scr_bg_layer(void); */
void gui_show_dynamic_list_menu(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 x1, y1, x2, y2, y_offset;
    UI_filled_area *f;
    S32 i;
    S32 cx1, cy1, cx2, cy2;
    S32 tx1, ty1, tx2, ty2;
    S32 iwidth, iheight;
    fixed_icontext_menuitem_type *item_p;
    U8 done = 0;
    S32 total_height, counter, list_height;
    U8 disable_draw = 0;
    S32 vbar_x = 0, vbar_button_x = 0;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (m->flags & UI_LIST_MENU_DISABLE_DRAW)
    {
        disable_draw = 1;
    }
    gui_get_clip(&cx1, &cy1, &cx2, &cy2);
    gui_get_text_clip(&tx1, &ty1, &tx2, &ty2);
    x1 = m->x;
    y1 = m->y;
    x2 = x1 + m->width - 1;
    y2 = y1 + m->height - 1;
    if (m->flags & UI_LIST_MENU_STATE_FOCUSSED)
    {
        f = m->focussed_filler;
    }
    else
    {
        f = m->normal_filler;
    }
    gui_set_clip(x1, y1, x2, y2);
    if (!disable_draw && !(m->flags & UI_LIST_MENU_DISABLE_BACKGROUND))
    {
        gui_set_clip(x1, y1, x2, y2);
        if (!(m->flags & UI_LIST_MENU_DISABLE_BKGRND_IN_LAYER) && (wgui_is_wallpaper_on_bottom() == MMI_TRUE))
        {
            gdi_draw_solid_rect(x1, y1, x2, y2, GDI_COLOR_TRANSPARENT);
            /* PMT VIKAS START 20051217 */
        #if (defined (__MMI_UI_TRANSPARENT_EFFECT__) || defined (__MMI_UI_LIST_HIGHLIGHT_EFFECTS__))
            /* PMT VIKAS END 20051217 */
            if (gui_get_transparent_source_layer() == GDI_LAYER_EMPTY_HANDLE)   /* 110705 WAP menu Clavin add */
            {
                gui_set_transparent_source_layer(dm_get_scr_bg_layer());        /* should remove */
            }
        #endif /* (defined (__MMI_UI_TRANSPARENT_EFFECT__) || defined (__MMI_UI_LIST_HIGHLIGHT_EFFECTS__)) */ 
        }
    #ifdef __MMI_UI_LIST_CACHE_BACKGROUND__
        else if (!(m->flags & UI_LIST_MENU_DISABLE_BKGRND_IN_LAYER) && (gui_get_multilayer_mask() & UI_MUL_BKG_SUBMENU))
        {
            gui_show_menu_background_in_layer(x1, y1, x2, y2, f);
        }
    #endif /* __MMI_UI_LIST_CACHE_BACKGROUND__ */ 
        else
        {
        #if !defined(MT6205B) && !defined(MT6208)
            gui_draw_filled_area(x1, y1, x2, y2, f);
        #else /* !defined(MT6205B) && !defined(MT6208) */
            /* For low-end phone, disable list menu background can greately improve menu performance. 
               We use the color of filler to draw the background (typically white). */
            color c = f->c;
            gdi_draw_solid_rect(x1, y1, x2, y2, gdi_act_color_from_rgb(255, c.r, c.g, c.b));
        #endif /* !defined(MT6205B) && !defined(MT6208) */
        }
    }
    if (m->n_items <= 0)
    {
        return;
    }
    if (r2lMMIFlag)
    {
        x1 += m->vbar.width;
    }
    else
    {
        x2 -= m->vbar.width;
    }
    /* 121704 Calvin changed */
    /* y1 = m->y+1;// + m->top; */
    y1 = m->y + m->top;
    /* Calvin end */
    list_height = m->height;
    gui_set_text_clip(x1, y1, x2, y2);
    gui_set_clip(x1, y1, x2, y2);
    total_height = 0;
    counter = 0;
    current_fixed_list_menuitem_display_index = -1;
    for (i = m->first_displayed_item; (i < m->n_items && !done); i++)
    {
        item_p = get_dynamic_item_from_buffer(i);
        current_fixed_list_menuitem_display_index = (i == m->highlighted_item) ? -1 : i;
        m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
        y_offset = total_height;
        total_height += iheight;
    #ifdef __MMI_UI_DALMATIAN_FIXEDLIST__
        if (line_draw)
        {
            /* Draw grid for dynamic variant menuscreen */
            gui_draw_horizontal_line(x1, x2 - 1, y1, current_MMI_theme->list_background_filler->border_color);
            /* PMT VIKAS START 20050817 */
            gui_draw_horizontal_line(
                x1,
                x2 - 1,
                y1 + total_height,
                current_MMI_theme->list_background_filler->border_color);
            /* PMT VIKAS END 20050817 */
        }
    #endif /* __MMI_UI_DALMATIAN_FIXEDLIST__ */ 
        if (total_height > list_height + 1)
        {
            done = 1;
            if ((counter == 0) && !disable_draw)
            {
                m->item_display_function(item_p, m->common_item_data, x1, y_offset + y1);
            }
        }
        else
        {
            if (!disable_draw)
            {
                m->item_display_function(item_p, m->common_item_data, x1, y_offset + y1);
            }
            counter++;
        }
    }
    /* PMT VIKAS START 20050817 */
#ifdef __MMI_UI_DALMATIAN_FIXEDLIST__
    if (line_draw)
    {
        // To grid for sub menu screens
        // Used -2 for proper area selection
        if (i == m->n_items)
        {
            if (!r2lMMIFlag)
            {
                gui_draw_horizontal_line(
                    x1,
                    m->vbar.x - 2,
                    y_offset + y1 + iheight,
                    current_MMI_theme->list_background_filler->border_color);
            }
            else
            {
                gui_draw_horizontal_line(
                    x1,
                    x2,
                    y_offset + y1 + iheight,
                    current_MMI_theme->list_background_filler->border_color);
            }
        }
        if (!r2lMMIFlag)
        {
            if (i == m->n_items && done)
            {
                gui_draw_vertical_line(
                    y1,
                    y1 + y_offset,
                    m->vbar.x - 2,
                    current_MMI_theme->list_background_filler->border_color);
            }
            else
            {
                gui_draw_vertical_line(
                    y1,
                    ((y1 + total_height) > (y1 + m->vbar.height - 4) ? (y1 + total_height - iheight) : (y1 + total_height)),
                    m->vbar.x - 2,
                    current_MMI_theme->list_background_filler->border_color);
            }
        }
        else
        {
            if (i == m->n_items && done)
            {
                gui_draw_vertical_line(
                    y1,
                    y1 + y_offset,
                    (m->vbar.x + m->vbar.width - m->width) + m->vbar.width,
                    current_MMI_theme->list_background_filler->border_color);
            }
            else
            {
                gui_draw_vertical_line(
                    y1,
                    ((y1 + total_height) > (y1 + m->vbar.height - 4) ? (y1 + total_height - iheight) : (y1 + total_height)),
                    (m->vbar.x + m->vbar.width - m->width) + m->vbar.width,
                    current_MMI_theme->list_background_filler->border_color);
            }
        }
    }
#endif /* __MMI_UI_DALMATIAN_FIXEDLIST__ */ 
    /* PMT VIKAS END 20050817 */
    current_fixed_list_menuitem_display_index = -1;
    m->last_displayed_item = (counter == 0) ? m->first_displayed_item : m->first_displayed_item + counter - 1;
    m->displayed_items = counter;
    gui_set_clip(cx1, cy1, cx2, cy2);
    gui_set_text_clip(tx1, ty1, tx2, ty2);
    if (!(m->flags & UI_LIST_MENU_DISABLE_SCROLLBAR))
    {
        gui_set_vertical_scrollbar_range(&m->vbar, m->n_items);
        gui_set_vertical_scrollbar_scale(&m->vbar, m->displayed_items);
        gui_set_vertical_scrollbar_value(&m->vbar, m->first_displayed_item);
        if (m->flags & UI_LIST_MENU_AUTO_DISABLE_SCROLLBAR)
        {
            if ((total_height > list_height + 1) || (m->first_displayed_item > 0))
            {
                /* MTK Elvis for R2L characters */
                if (r2lMMIFlag)
                {
                    vbar_x = m->vbar.x;
                    vbar_button_x = m->vbar.scroll_button.x;
                    m->vbar.x = m->vbar.x + m->vbar.width - m->width;
                    m->vbar.scroll_button.x = m->vbar.scroll_button.x + m->vbar.scroll_button.width - m->width;
                    gui_show_vertical_scrollbar(&m->vbar);
                }
                else
                {
                    gui_show_vertical_scrollbar(&m->vbar);
                }
                /* MTK end */
                if (r2lMMIFlag)
                {
                    m->vbar.x = vbar_x;
                    m->vbar.scroll_button.x = vbar_button_x;
                }
            }
        }
        else
        {
            /* MTK Elvis for R2L characters */
            if (r2lMMIFlag)
            {
                vbar_x = m->vbar.x;
                vbar_button_x = m->vbar.scroll_button.x;
                m->vbar.x = m->vbar.x + m->vbar.width - m->width;
                m->vbar.scroll_button.x = m->vbar.scroll_button.x + m->vbar.scroll_button.width - m->width;
                gui_show_vertical_scrollbar(&m->vbar);
            }
            else
            {
                gui_show_vertical_scrollbar(&m->vbar);
            }
            /* MTK end */
            if (r2lMMIFlag)
            {
                m->vbar.x = vbar_x;
                m->vbar.scroll_button.x = vbar_button_x;
            }
        }
    }
    /* PMT VIKAS START 20050817 */
#ifdef __MMI_UI_DALMATIAN_FIXEDLIST__
    if (line_draw)
    {
        if (r2lMMIFlag)
        {
            gui_draw_vertical_line(y1, y1 + m->vbar.height - 4, m->vbar.x + m->vbar.width - m->width, current_MMI_theme->list_background_filler->border_color); /* Start of Scroll bar */
            gui_draw_vertical_line(y1, y1 + m->vbar.height - 4, (m->vbar.x + m->vbar.width - m->width) + m->vbar.width - 2, current_MMI_theme->list_background_filler->border_color);   /* End of Scroll bar */
        }
        else
        {
            gui_draw_vertical_line(y1, y1 + m->vbar.height - 4, m->vbar.x, current_MMI_theme->list_background_filler->border_color);    /* Start of scroll bar */
            gui_draw_vertical_line(y1, y1 + m->vbar.height - 4, (m->vbar.x + m->vbar.width) - 1, current_MMI_theme->list_background_filler->border_color);      /* End of Scroll bar */
        }
    }
#endif /* __MMI_UI_DALMATIAN_FIXEDLIST__ */ 
    /* PMT VIKAS END 20050817 */
}
/*****************************************************************************
 * FUNCTION
 *  gui_show_dynamic_list_menu_no_draw
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void gui_show_dynamic_list_menu_no_draw(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 i;
    S32 iwidth, iheight;
    U8 done = 0;
    S32 total_height, counter, list_height;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    list_height = m->height;
    total_height = 0;
    counter = 0;
    current_fixed_list_menuitem_display_index = -1;
    for (i = m->first_displayed_item; (i < m->n_items && !done); i++)
    {
        current_fixed_list_menuitem_display_index = (i == m->highlighted_item) ? -1 : i;
        m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
        total_height += iheight;
        if (total_height > list_height + 1)
        {
            done = 1;
        }
        else
        {
            counter++;
        }
    }
    current_fixed_list_menuitem_display_index = -1;
    m->last_displayed_item = (counter == 0) ? m->first_displayed_item : m->first_displayed_item + counter - 1;
    m->displayed_items = counter;
    if (!(m->flags & UI_LIST_MENU_DISABLE_SCROLLBAR))
    {
        gui_set_vertical_scrollbar_range(&m->vbar, m->n_items);
        gui_set_vertical_scrollbar_scale(&m->vbar, m->displayed_items);
        gui_set_vertical_scrollbar_value(&m->vbar, m->first_displayed_item);
    }
}
#ifdef __MMI_TOUCH_SCREEN__
static void gui_dynamic_list_menu_scroll_by_pen(
                fixed_list_menu *m,
                S32 first_displayed,
                gui_list_pen_enum *menu_event);
static fixed_list_menu *gui_pen_scroll_dynamic_menu = NULL;
/* Because loading data takes some time (depending on the applications using dynamic list), 
   we use a timer to reduce gui_dynamic_list_menu_scroll_by_pen().  */
/*****************************************************************************
 * FUNCTION
 *  gui_dyamic_list_menu_scroll_timer_hdlr
 * DESCRIPTION
 *  
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
static void gui_dyamic_list_menu_scroll_timer_hdlr(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    fixed_list_menu *m = gui_pen_scroll_dynamic_menu;
    gui_list_pen_enum menu_event;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    gui_pen_scroll_dynamic_menu = NULL;
    if (!m)
    {
        return;
    }
    gui_dynamic_list_menu_scroll_by_pen(m, m->pen_scroll_after_delay, &menu_event);
    if (menu_event == GUI_LIST_PEN_HIGHLIGHT_CHANGED || menu_event == GUI_LIST_PEN_NEED_REDRAW)
    {
        if (m->pen_redraw_menu_function)
        {
            m->pen_redraw_menu_function();
        }
        else
        {
            MMI_DBG_ASSERT(0);
        }
    }
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_abort_scroll_timer
 * DESCRIPTION
 *  
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
static void gui_dynamic_list_abort_scroll_timer(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    gui_pen_scroll_dynamic_menu = NULL;
}
/*****************************************************************************
 * FUNCTION
 *  gui_dyamic_list_start_scroll_timer
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m           [?]         
 *  value       [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
static void gui_dyamic_list_start_scroll_timer(fixed_list_menu *m, S32 value)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    MMI_DBG_ASSERT(!gui_pen_scroll_dynamic_menu || gui_pen_scroll_dynamic_menu == m);
    m->pen_scroll_after_delay = value;
    gui_pen_scroll_dynamic_menu = m;
    gui_cancel_timer(gui_dyamic_list_menu_scroll_timer_hdlr);
    gui_start_timer(m->pen_scroll_delay_time, gui_dyamic_list_menu_scroll_timer_hdlr);
    gui_add_cleanup_hook(gui_dynamic_list_abort_scroll_timer);
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_translate_pen_position
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m               [?]         
 *  y               [IN]        
 *  item_index      [?]         
 * RETURNS
 *  
 *****************************************************************************/
static BOOL gui_dynamic_list_menu_translate_pen_position(fixed_list_menu *m, S32 y, S32 *item_index)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 total_height = 0, i;
    S32 iwidth, iheight;
    BOOL ret = MMI_FALSE;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    y -= m->y;
    if (m->n_items <= 0)
    {
        *item_index = 0;
        /* ret is false */
    }
    else if (y < 0)
    {
        *item_index = (m->first_displayed_item > 0) ? m->first_displayed_item - 1 : 0;
        /* ret is false */
    }
    else if (y >= m->height)
    {
        *item_index = (m->last_displayed_item < m->n_items - 1) ? m->last_displayed_item + 1 : m->n_items - 1;
        /* ret is false */
    }
    else
    {
        *item_index = m->n_items - 1;
        for (i = m->first_displayed_item; i < m->n_items; i++)
        {
        #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
            if (i == m->highlighted_item)
            {
                current_fixed_list_menuitem_display_index = -1;
            }
            else
            {
                current_fixed_list_menuitem_display_index = i;
            }
        #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
            /* Use null because menu item might not be loaded yet */
            m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
            total_height += iheight;
            if (total_height > y)
            {
                *item_index = i;
                ret = MMI_TRUE;
                break;
            }
        }
    }
    return ret;
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_get_menuitem_position
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m               [?]         
 *  item_index      [IN]        
 *  x               [?]         
 *  y               [?]         
 * RETURNS
 *  void
 *****************************************************************************/
static void gui_dynamic_list_menu_get_menuitem_position(fixed_list_menu *m, S32 item_index, S32 *x, S32 *y)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 i, total_height = m->y;
    S32 iwidth, iheight;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    *x = m->x;
    if (item_index <= m->first_displayed_item)
    {
        *y = total_height;
        return;
    }
    for (i = m->first_displayed_item; i <= m->last_displayed_item; i++)
    {
    #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
        if (i == m->highlighted_item)
        {
            current_fixed_list_menuitem_display_index = -1;
        }
        else
        {
            current_fixed_list_menuitem_display_index = i;
        }
    #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
        /* Use null because menu item might not be loaded yet */
        m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
        total_height += iheight;
        if (i + 1 == item_index)
        {
            *y = total_height;
            return;
        }
    }
    *y = total_height;
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_scroll_by_pen
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m                   [?]         
 *  first_displayed     [IN]        
 *  menu_event          [?]         
 * RETURNS
 *  void
 *****************************************************************************/
static void gui_dynamic_list_menu_scroll_by_pen(
                fixed_list_menu *m,
                S32 first_displayed,
                gui_list_pen_enum *menu_event)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 total_height = 0, i;
    S32 iwidth, iheight;
    S32 last_displayed;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (first_displayed > m->highlighted_item)
    {
        m->flags |= UI_LIST_MENU_FIRST_SHIFT_HIGHLIGHTED_ITEM;
        gui_dynamic_list_menu_goto_item(m, first_displayed);
        m->flags &= ~UI_LIST_MENU_FIRST_SHIFT_HIGHLIGHTED_ITEM;
        *menu_event = GUI_LIST_PEN_HIGHLIGHT_CHANGED;
    }
    else
    {
        last_displayed = m->n_items - 1;
        for (i = first_displayed; i < m->n_items; i++)
        {
            //PMT NEERAJ START 20050712
            //PMT NEERAJ START 20050825
        #if defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__)
            /* PMT NEERAJ END 20050825 */
            if (i == m->highlighted_item)
            {
                current_fixed_list_menuitem_display_index = -1;
            }
            else
            {
                current_fixed_list_menuitem_display_index = i;
            }
        #endif /* defined(__MMI_UI_TWO_LINE_MENUITEM_STYLES__) || defined(__MMI_UI_HINTS_IN_MENUITEM__) */ 
            /* PMT NEERAJ EMD 20050712 */
            /* Use null because menu item might not be loaded yet */
            m->item_measure_function(NULL, m->common_item_data, &iwidth, &iheight);
            total_height += iheight;
            if (total_height > m->height + 1)
            {
                last_displayed = i - 1;
                break;
            }
        }
        if (last_displayed < m->highlighted_item)
        {
            m->flags |= UI_LIST_MENU_LAST_SHIFT_HIGHLIGHTED_ITEM;
            gui_dynamic_list_menu_goto_item(m, last_displayed);
            m->flags &= ~UI_LIST_MENU_LAST_SHIFT_HIGHLIGHTED_ITEM;
            *menu_event = GUI_LIST_PEN_HIGHLIGHT_CHANGED;
        }
        else
        {
            m->first_displayed_item = first_displayed;
            m->last_displayed_item = last_displayed;
            /* Handle this in similar way to dynamic_list_goto_item_no_redraw() */
            if (m->flags & UI_LIST_MENU_DISABLE_CACHE_DYNAMIC_DATA)
            {
                flush_dynamic_item_buffer_before_load_chunk();
            }
            load_chunk_dynamic_item_buffer(
                m->first_displayed_item,
                m->last_displayed_item - m->first_displayed_item + 2);
            switch_highlighted_item(m, -1);
            *menu_event = GUI_LIST_PEN_NEED_REDRAW;
        }
    }
}
/*****************************************************************************
 * FUNCTION
 *  gui_dynamic_list_menu_translate_pen_event
 * DESCRIPTION
 *  
 * PARAMETERS
 *  m               [?]         
 *  pen_event       [IN]        
 *  x               [IN]        
 *  y               [IN]        
 *  menu_event      [?]         
 * RETURNS
 *  
 *****************************************************************************/
BOOL gui_dynamic_list_menu_translate_pen_event(
        fixed_list_menu *m,
        mmi_pen_event_type_enum pen_event,
        S16 x,
        S16 y,
        gui_list_pen_enum *menu_event)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    BOOL ret;
    gui_list_pen_state_struct *pen_state;
    gui_scrollbar_pen_enum scrollbar_event;
    gui_pen_event_param_struct scrollbar_param;
    gui_list_pen_enum menuitem_event;
    gui_pen_event_param_struct menuitem_param;
    S32 item_index;
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    pen_state = &m->pen_state;
    ret = MMI_TRUE;
    *menu_event = GUI_LIST_PEN_NONE;
    if (pen_event != MMI_PEN_EVENT_DOWN && pen_state->pen_on_scrollbar)
    {
        gui_vertical_scrollbar_translate_pen_event(&m->vbar, pen_event, x, y, &scrollbar_event, &scrollbar_param);
        if (scrollbar_event == GUI_SCROLLBAR_PEN_JUMP_TO_I)
        {
            if (m->pen_scroll_delay_time > 0)   /* Delay time for scrollbar scrolling */
            {
                gui_dyamic_list_start_scroll_timer(m, scrollbar_param._u.i);
            }
            else
            {
                gui_dynamic_list_menu_scroll_by_pen(m, scrollbar_param._u.i, menu_event);
            }
        }
    }
    else if (pen_event != MMI_PEN_EVENT_DOWN && pen_state->handled_by_menu_item)
    {
        /* For example, tap down on checkbox of two-state menuitem, the subsequent move/up events are discarded */
        S32 item_x, item_y;
        gui_dynamic_list_menu_get_menuitem_position(m, m->highlighted_item, &item_x, &item_y);
        m->item_pen_function(
            get_dynamic_item_from_buffer(m->highlighted_item),
            m->common_item_data,
            item_x,
            item_y,
            pen_event,
            x,
            y,
            &menuitem_event,
            &menuitem_param);
        if (menuitem_event == GUI_TWOSTATE_PEN_TOGGLE)
        {
            menuitem_event = GUI_LIST_PEN_ITEM_SELECTED;
        }
        *menu_event = menuitem_event;
    }
    else
    {
        switch (pen_event)
        {
            case MMI_PEN_EVENT_DOWN:
                if (PEN_CHECK_BOUND(x, y, m->x, m->y, m->width, m->height))
                {
                    pen_state->handled_by_menu_item = 0;
                    pen_state->pen_on_scrollbar = 0;
                    if (m->n_items <= 0)
                    {
                        /* In current design, scrollbar is hiden if m->n_items == 0 */
                        ret = MMI_FALSE;
                    }
                    else if (!(m->flags & UI_LIST_MENU_DISABLE_SCROLLBAR) &&
                             gui_vertical_scrollbar_translate_pen_event(
                                &m->vbar,
                                MMI_PEN_EVENT_DOWN,
                                x,
                                y,
                                &scrollbar_event,
                                &scrollbar_param))
                    {
                        pen_state->pen_on_scrollbar = 1;
                        if (scrollbar_event == GUI_SCROLLBAR_PEN_JUMP_TO_I)
                        {
                            if (m->pen_scroll_delay_time > 0)   /* Delay time for scrollbar scrolling */
                            {
                                gui_dyamic_list_start_scroll_timer(m, scrollbar_param._u.i);
                            }
                            else
                            {
                                gui_dynamic_list_menu_scroll_by_pen(m, scrollbar_param._u.i, menu_event);
                            }
                        }
                    }
                    else
                    {
                        if (gui_dynamic_list_menu_translate_pen_position(m, y, &item_index))
                        {
                            S32 item_x, item_y;
                            if (item_index != m->highlighted_item)
                            {
                                gui_dynamic_list_menu_goto_item(m, item_index);
                                *menu_event = GUI_LIST_PEN_HIGHLIGHT_CHANGED;
                            }
                            /* Even if highlight is changed, we still need to invoke menuitem pen handler */
                            gui_dynamic_list_menu_get_menuitem_position(m, item_index, &item_x, &item_y);
                            if (m->
                                item_pen_function(
                                    get_dynamic_item_from_buffer(item_index),
                                    m->common_item_data,
                                    item_x,
                                    item_y,
                                    MMI_PEN_EVENT_DOWN,
                                    x,
                                    y,
                                    &menuitem_event,
                                    &menuitem_param))
                            {
                                if (menuitem_event == GUI_TWOSTATE_PEN_TOGGLE)
                                {
                                    menuitem_event = GUI_LIST_PEN_ITEM_SELECTED;
                                }
                                /* original menu_event could be GUI_LIST_PEN_HIGHLIGHT_CHANGED */
                                if (menuitem_event != GUI_LIST_PEN_NONE)
                                {
                                    *menu_event = menuitem_event;
                                }
                                pen_state->handled_by_menu_item = 1;
                            }
                        }
                        else
                        {
                            /* # of menu items < # of displayable menu items */
                            ret = MMI_FALSE;
                        }
                    }
                    pen_state->first_highlighed_item = m->highlighted_item;
                    pen_state->highlight_changed = 0;
                }
                else
                {
                    ret = MMI_FALSE;
                }
                break;
            case MMI_PEN_EVENT_LONG_TAP:
                /* FALLTHROUGH no break */
            case MMI_PEN_EVENT_REPEAT:
                /* FALLTHROUGH no break */
            case MMI_PEN_EVENT_MOVE:
                if (!m->disable_move_highlight)
                {
                    gui_dynamic_list_menu_translate_pen_position(m, y, &item_index);
                    if (item_index != m->highlighted_item)
                    {
                        gui_dynamic_list_menu_goto_item(m, item_index);
                        *menu_event = GUI_LIST_PEN_HIGHLIGHT_CHANGED;
                    }
                }
                break;
            case MMI_PEN_EVENT_UP:
                if (!m->disable_up_select)
                {
                    if (PEN_CHECK_BOUND(x, y, m->x, m->y, m->width, m->height))
                    {
                        gui_dynamic_list_menu_translate_pen_position(m, y, &item_index);
                        if (item_index != m->highlighted_item)
                        {
                            if (!m->disable_move_highlight)
                            {
                                /* If MMI_PEN_EVENT_MOVE is not delivered before moving to this item */
                                gui_dynamic_list_menu_goto_item(m, item_index);
                                *menu_event = GUI_LIST_PEN_HIGHLIGHT_CHANGED;
                            }
                        }
                        else if (pen_state->highlight_changed)
                        {
                            *menu_event = GUI_LIST_PEN_NONE;
                        }
                        else
                        {
                            *menu_event = GUI_LIST_PEN_ITEM_SELECTED;
                        }
                    }
                }
                break;
            case MMI_PEN_EVENT_ABORT:
                /* Do nothing */
                break;
            default:
                MMI_ASSERT(0);
        }
    }
    if (ret)
    {
        if (pen_state->first_highlighed_item != m->highlighted_item)
        {
            pen_state->highlight_changed = 1;
        }
    }
    return ret;
}
#endif /* __MMI_TOUCH_SCREEN__ */ 

						