gui_fixed_menus.c

MTK6226修改平台UI的文件介绍

 *  void
 *****************************************************************************/
void gui_fixed_list_menu_goto_item(fixed_list_menu *m, S32 i)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    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_fixed_list_menu_locate_highlighted_item(m);

    switch_fixed_list_highlighted_item(m, last_highlighted_item);
}


/*****************************************************************************
 * FUNCTION
 *  gui_fixed_list_menu_goto_next_item
 * DESCRIPTION
 *  Higlights the next item
 *  
 *  The fixed list is not redrawn
 * PARAMETERS
 *  m       [IN]        Is the fixed list menu object
 * RETURNS
 *  void
 *****************************************************************************/
void gui_fixed_list_menu_goto_next_item(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;
    U8 loop_flag = 0;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    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_fixed_list_menu_locate_previous_item(m);
    }
    else
    {
        m->highlighted_item++;
        gui_fixed_list_menu_locate_next_item(m);
    }

    switch_fixed_list_highlighted_item(m, last_highlighted_item);
}


/*****************************************************************************
 * FUNCTION
 *  gui_fixed_list_menu_goto_previous_item
 * DESCRIPTION
 *  Higlights the previous item
 *  
 *  The fixed list is not redrawn
 * PARAMETERS
 *  m       [IN]        Is the fixed list menu object
 * RETURNS
 *  void
 *****************************************************************************/
void gui_fixed_list_menu_goto_previous_item(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;
    U8 loop_flag = 0;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    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_fixed_list_menu_locate_next_item(m);
    }
    else
    {
        m->highlighted_item--;
        gui_fixed_list_menu_locate_previous_item(m);
    }

    switch_fixed_list_highlighted_item(m, last_highlighted_item);
}


/*****************************************************************************
 * FUNCTION
 *  gui_fixed_list_menu_goto_next_page
 * DESCRIPTION
 *  Higlights an item in the next page
 *  
 *  The fixed list is not redrawn
 * PARAMETERS
 *  m       [IN]        Is the fixed list menu object
 * RETURNS
 *  void
 *****************************************************************************/
void gui_fixed_list_menu_goto_next_page(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;
    S32 iwidth, iheight;
    U8 done = 0;
    S32 total_height = 0, i;
    S32 list_height = m->height - 4;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    last_highlighted_item = m->highlighted_item;
    m->first_displayed_item += m->displayed_items;
    if (m->first_displayed_item > (m->n_items - 1))
    {
        m->first_displayed_item = (m->n_items - 1);
        m->last_displayed_item = m->first_displayed_item;
    }
    else
    {
        for (i = m->first_displayed_item; (i < m->n_items) && (!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(m->items[i], m->common_item_data, &iwidth, &iheight);
            total_height += iheight;
            if (total_height > list_height + 1)
            {
                done = 1;
                m->last_displayed_item = i - 1;
            }
        }
    }
    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(m->items[i], m->common_item_data, &iwidth, &iheight);
        total_height += iheight;
        if (total_height > list_height + 1)
        {
            done = 1;
            m->first_displayed_item = i + 1;
        }
    }
    m->highlighted_item = m->first_displayed_item;

    switch_fixed_list_highlighted_item(m, last_highlighted_item);
}


/*****************************************************************************
 * FUNCTION
 *  gui_fixed_list_menu_goto_previous_page
 * DESCRIPTION
 *  Higlights an item in the previous page
 *  
 *  The fixed list is not redrawn
 * PARAMETERS
 *  m       [IN]        Is the fixed list menu object
 * RETURNS
 *  void
 *****************************************************************************/
void gui_fixed_list_menu_goto_previous_page(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    last_highlighted_item = m->highlighted_item;
    m->first_displayed_item -= m->displayed_items;
    if (m->first_displayed_item < 0)
    {
        m->first_displayed_item = 0;
    }
    m->highlighted_item = m->first_displayed_item;
    if (last_highlighted_item == m->highlighted_item)
    {
        return;
    }
    gui_fixed_list_menu_locate_highlighted_item(m);

    switch_fixed_list_highlighted_item(m, last_highlighted_item);
}


/*****************************************************************************
 * FUNCTION
 *  gui_fixed_list_menu_goto_first_item
 * DESCRIPTION
 *  Higlights the first item
 *  
 *  The fixed list is not redrawn
 * PARAMETERS
 *  m       [IN]        Is the fixed list menu object
 * RETURNS
 *  void
 *****************************************************************************/
void gui_fixed_list_menu_goto_first_item(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (m->highlighted_item == 0)
    {
        return;
    }
    last_highlighted_item = m->highlighted_item;
    m->highlighted_item = 0;
    gui_fixed_list_menu_locate_highlighted_item(m);

    switch_fixed_list_highlighted_item(m, last_highlighted_item);
}


/*****************************************************************************
 * FUNCTION
 *  gui_fixed_list_menu_goto_last_item
 * DESCRIPTION
 *  Higlights the last item
 *  
 *  The fixed list is not redrawn
 * PARAMETERS
 *  m       [IN]        Is the fixed list menu object
 * RETURNS
 *  void
 *****************************************************************************/
void gui_fixed_list_menu_goto_last_item(fixed_list_menu *m)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    S32 last_highlighted_item;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (m->highlighted_item == (m->n_items - 1))
    {
        return;
    }
    last_highlighted_item = m->highlighted_item;
    m->highlighted_item = (m->n_items - 1);
    gui_fixed_list_menu_locate_highlighted_item(m);

    switch_fixed_list_highlighted_item(m, last_highlighted_item);
}


/*****************************************************************************
 * FUNCTION
 *  gui_show_menu_background_filler_from_cache
 * DESCRIPTION
 *  Displays the menu background in another GDI layer
 * PARAMETERS
 *  x1      [IN]        
 *  y1      [IN]        
 *  x2      [IN]        
 *  y2      [IN]        
 *  f       [IN]        Background filler
 * RETURNS
 *  void
 *****************************************************************************/
#ifdef __MMI_UI_LIST_CACHE_BACKGROUND__

/* Check compile option dependency */
#if !defined(__GDI_MEMORY_PROFILE_2__) || defined(__MMI_WALLPAPER_ON_BOTTOM__)
#error "__MMI_UI_LIST_CACHE_BACKGROUND__ require __GDI_MEMORY_PROFILE_2__"
#endif 

#ifdef __MMI_UI_LIST_RESIDENT_FILLER_CACHE__

void gui_show_menu_background_filler_from_cache(S32 x1, S32 y1, S32 x2, S32 y2, UI_filled_area *f)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (!f)
    {
        return;
    }

    if (g_gui_list_menu_filler_cache_target != f)
    {
        /* Cache filler */
        gdi_handle cache_layer;

        g_gui_list_menu_filler_cache_target = f;

        gdi_layer_create_using_outside_memory(
            0,
            0,
            GUI_LIST_MENU_FILLER_CACHE_MAX_WIDTH,
            GUI_LIST_MENU_FILLER_CACHE_MAX_HEIGHT,
            &cache_layer,
            (U8*) g_gui_list_menu_filler_cache,
            sizeof(g_gui_list_menu_filler_cache));

        gdi_layer_push_and_set_active(cache_layer);
        gui_draw_filled_area(
            0,
            0,
            GUI_LIST_MENU_FILLER_CACHE_MAX_WIDTH - 1,
            GUI_LIST_MENU_FILLER_CACHE_MAX_HEIGHT - 1,
            f);
        gdi_layer_pop_and_restore_active();

        gdi_layer_free(cache_layer);
    }

    if ((x2 - x1 + 1 > GUI_LIST_MENU_FILLER_CACHE_MAX_WIDTH) || (y2 - y1 + 1 > GUI_LIST_MENU_FILLER_CACHE_MAX_HEIGHT))