osd3.c

ct952 source code use for Digital Frame Photo

void OSDMENU_MenuOperation(BYTE bKey)
{

    BYTE bItemNum, bOrgItem;
    BYTE bMenuOperation=0; // Brian1.08a

    // Brian1.08a, transfer Key to menu operation
#ifdef SUPPORT_SETUP_HORIZONTAL_ICON_MENU
    // Horizontal icon menu

    if (__bMENUCurrentLevel == 0) 
    {
        // at root (icon) menu
        switch (bKey)
        {
            case KEY_UP:
                return;
            case KEY_DOWN:
                bMenuOperation = OSDMENU_GOTO_SUB_MENU;
                break;
            case KEY_RIGHT:
                bMenuOperation = OSDMENU_GOTO_NEXT_ITEM;
                break;
            case KEY_LEFT:
                bMenuOperation = OSDMENU_GOTO_PREV_ITEM;
                break;
            case KEY_ENTER:
            case KEY_PLAY:
            case KEY_PLAY_PAUSE:
                bMenuOperation = OSDMENU_SELECT_ITEM;
                break;
        } 

    }
    else // it is not root menu
    {
        // none root (icon) menu
        switch (bKey)
        {
            case KEY_UP:
                // need to check when it's the topest item
                // it's more convenient to do the check when processing the operation, 
                // for the condition code is already there 
                bMenuOperation = OSDMENU_GOTO_PREV_ITEM;
                break;
            case KEY_DOWN:
                bMenuOperation = OSDMENU_GOTO_NEXT_ITEM;
                break;
            case KEY_RIGHT:
                bMenuOperation = OSDMENU_GOTO_SUB_MENU;
                break;
            case KEY_STOP: // allow use KEY_STOP to go to parent menu
            case KEY_LEFT:
                // need chech when it's the left most item
                // it's more convenient to do the check when processing the operation, 
                // for the condition code is already there 
                bMenuOperation = OSDMENU_GOTO_PARENT_MENU;
                break;
            case KEY_ENTER:
            case KEY_PLAY:
            case KEY_PLAY_PAUSE:
                bMenuOperation = OSDMENU_SELECT_ITEM;
                break;
        } 
    }

#else
    // Vertical icno menu
    // just 1-to-1 mapping
    switch (bKey)
    {
        case KEY_UP:
            bMenuOperation = OSDMENU_GOTO_PREV_ITEM;
            break;
        case KEY_DOWN:
            bMenuOperation = OSDMENU_GOTO_NEXT_ITEM;
            break;
        case KEY_RIGHT:
            bMenuOperation = OSDMENU_GOTO_SUB_MENU;
            break;
        case KEY_LEFT:
            bMenuOperation = OSDMENU_GOTO_PARENT_MENU;
            break;
        case KEY_ENTER:
        case KEY_PLAY:
        case KEY_PLAY_PAUSE:
            bMenuOperation = OSDMENU_SELECT_ITEM;
            break;
    } 

#endif // SUPPORT_SETUP_HORIZONTAL_ICON_MENU

process_key_op:

    _pTempMenu = _pMenuIndex[__bCurrentMenuId];
    bItemNum = GET_MENU_ITEM_NUM(_pTempMenu);

    // Brian1.08a
    switch (bMenuOperation)
    {
        // Brian1.08a
        case OSDMENU_GOTO_PREV_ITEM:
            // Brian1.08a, support Horizontal icon menu
#ifdef SUPPORT_SETUP_HORIZONTAL_ICON_MENU
            if (__bMENUSelect[__bMENUCurrentLevel] == 0)
            {
                if (__bMENUCurrentLevel == 1) // menu level 2 ==> value menu, don't go to paranet menu
                {
                    // it is the topest item, so need to move to icon menu
                    bMenuOperation = OSDMENU_GOTO_PARENT_MENU;
                    goto process_key_op;
                }
            }
            else
#else
            if (__bMENUSelect[__bMENUCurrentLevel] != 0)
#endif
            {
				
#ifdef SKIP_DISABLED_ITEM
                // Brian1.05, don't move cursor onto disabled item.
                bOrgItem = __bMENUSelect[__bMENUCurrentLevel]; // keep the current select

                while(__bMENUSelect[__bMENUCurrentLevel] != 0)
                {
                    __bMENUSelect[__bMENUCurrentLevel]--;

                    _bMENUTemp = __bMENUSelect[__bMENUCurrentLevel]; 

                    if(GET_ITEM_ATTRIBUTE(_pTempMenu, _bMENUTemp) == IS_ITEM ||
                       GET_ITEM_ATTRIBUTE(_pTempMenu, _bMENUTemp) == IS_DIALOG)
                    {
                        if (*(GET_MENU_ENABLE(_pTempMenu)+_bMENUTemp/8) & (1 << (_bMENUTemp%8))) // if enabled
                        {
                            break; // find a enabled item
                        }
                        else
                        {
                            if (__bMENUSelect[__bMENUCurrentLevel] == 0)
                            {
                                // no enabled item is found, so the cursor remain still
                                __bMENUSelect[__bMENUCurrentLevel] = bOrgItem;
// Brian1.08a, support Horizontal icon menu
#ifdef SUPPORT_SETUP_HORIZONTAL_ICON_MENU
                                // since there is no Up items, so go to Icon menu
                                bMenuOperation = OSDMENU_GOTO_PARENT_MENU;
                                goto process_key_op;
                                
#else
                                return;
#endif
                            }
                        }
                    } // if IS_ITEM
                    else
                    {
                        break; // for value, no such consideration, just move the cursor as usual

                    }
                } // while
#else
                // allow move to disabled item
                __bMENUSelect[__bMENUCurrentLevel]--;

#endif


                if (__bMENUCurrentLevel < MENU_LEVEL-1)
		    __bMENUSelect[__bMENUCurrentLevel+1] = 0; // set select to 0, the first item. 

		__wMENUPrevItemId = __wMENUCurrentItemId;

		if (__bMENUCurrentLevel == 0)
                {
                    OSDSETUP_ShowDescriptionText();
                    // Brian1.08a, display menu settings when menu cursor in on Icon menu 
#ifdef SUPPORT_MENU_SETTINGS_DISPLAY
                    _ClearCurrentSettings();
                    _DisplayCurrentSettings();
#endif

                }

                if(GET_ITEM_ATTRIBUTE(_pTempMenu, __bMENUSelect[__bMENUCurrentLevel]) == IS_LINE)
                {
                    // I assume nobody will put a seperate line as the first item,
                    // so I don't check if it is out of the range
                    __bMENUSelect[__bMENUCurrentLevel]--;
                    bItemNum = 1; // just use it to keep if this is a seperate line
                }
                else
                    bItemNum = 0; // just use it to keep if this is a seperate line

                if (__bMENUSelect[__bMENUCurrentLevel] < __bMENUDisplayStart[__bMENUCurrentLevel])
                {
#ifdef SKIP_DISABLED_ITEM
                    __bMENUDisplayStart[__bMENUCurrentLevel] = __bMENUSelect[__bMENUCurrentLevel] -bItemNum;
#else
                    __bMENUDisplayStart[__bMENUCurrentLevel] -= (1+bItemNum);
#endif
                    OSDMENU_DisplayMenu(__bCurrentMenuId, 0xFF, __bMENUCurrentLevel);
                }
                else
                {
#ifdef SKIP_DISABLED_ITEM
                    // Brian1.05, don't move cursor onto disabled item.
                    // alan090
                    _MENU_StrAttr.bTextColor = OSDMENU_ENTRY_TEXT_COLOR_NORMAL;
                    OSDMENU_DrawItem(__bMENUDisplayStart[__bMENUCurrentLevel], (BYTE)(bOrgItem+bItemNum), (BYTE)OSDMENU_ENTRY_ITEM_COLOR_NORMAL);
#else
                    OSDMENU_DrawItem(__bMENUDisplayStart[__bMENUCurrentLevel], (BYTE)(__bMENUSelect[__bMENUCurrentLevel]+1+bItemNum), (BYTE)OSDMENU_ENTRY_ITEM_COLOR_NORMAL);
#endif

                }

		__wMENUCurrentItemId = GET_ITEM_ID(_pTempMenu, __bMENUSelect[__bMENUCurrentLevel]);

                // clear the previous menu
#ifdef SKIP_DISABLED_ITEM
                _pTempMenu = GET_SUB_MENU(_pTempMenu, bOrgItem+bItemNum);
#else
                _pTempMenu = GET_SUB_MENU(_pTempMenu, __bMENUSelect[__bMENUCurrentLevel]+1+bItemNum);
#endif
                if (_pTempMenu)
                {
                    OSDMENU_ClearMenu();
                    __bMENUStatus[__bMENUCurrentLevel+1] &= 0xFE; // clear scroll-up bit
                    __bMENUStatus[__bMENUCurrentLevel+1] &= 0xFD; // clear scroll-down bit
                }
                _pTempMenu = _pMenuIndex[__bCurrentMenuId];
                

                _bMENUTemp = __bMENUSelect[__bMENUCurrentLevel];
                if(GET_ITEM_ATTRIBUTE(_pTempMenu, _bMENUTemp) == IS_ITEM)
                {
                    if (*(GET_MENU_ENABLE(_pTempMenu)+_bMENUTemp/8) & (1 << (_bMENUTemp%8)))
                    {
                        // item is enabled, set the text color as normal color
                        _MENU_StrAttr.bTextColor = OSDMENU_ENTRY_TEXT_COLOR_NORMAL;
                        OSDMENU_DrawItem(__bMENUDisplayStart[__bMENUCurrentLevel], __bMENUSelect[__bMENUCurrentLevel], OSDMENU_ENTRY_ITEM_COLOR_HIGHLIGHT);
                        OSDMENU_DisplaySubMenu(__bMENUSelect[__bMENUCurrentLevel], __bMENUCurrentLevel);
                    }
                    else
                    {
                        // item is disabled, set the text color as disable color
                        _MENU_StrAttr.bTextColor = OSDMENU_ENTRY_TEXT_COLOR_DISABLE;
                        OSDMENU_DrawItem(__bMENUDisplayStart[__bMENUCurrentLevel], __bMENUSelect[__bMENUCurrentLevel], OSDMENU_ENTRY_ITEM_COLOR_HIGHLIGHT);

                    }
                    break;
                }
				// Brian1.02a,for Dialog like "Parental", "Change Password"
		else if(GET_ITEM_ATTRIBUTE(_pTempMenu, _bMENUTemp) == IS_DIALOG)
		{
			if (*(GET_MENU_ENABLE(_pTempMenu)+_bMENUTemp/8) & (1 << (_bMENUTemp%8)))
			{
			// item is enabled, set the text color as normal color
                        _MENU_StrAttr.bTextColor = OSDMENU_ENTRY_TEXT_COLOR_NORMAL;
			}
			else
			{
			// item is disabled, set the text color as disable color
                        _MENU_StrAttr.bTextColor = OSDMENU_ENTRY_TEXT_COLOR_DISABLE;
			}
		}

                OSDMENU_DrawItem(__bMENUDisplayStart[__bMENUCurrentLevel], __bMENUSelect[__bMENUCurrentLevel], OSDMENU_ENTRY_ITEM_COLOR_HIGHLIGHT);
                OSDMENU_DisplaySubMenu(__bMENUSelect[__bMENUCurrentLevel], __bMENUCurrentLevel);
            }
            break;
        // Brian1.08a
        case OSDMENU_GOTO_NEXT_ITEM:
            if (__bMENUSelect[__bMENUCurrentLevel] != bItemNum-1)
            {
#ifdef SKIP_DISABLED_ITEM
                // Brian1.05, don't move cursor onto disabled item.
                bOrgItem = __bMENUSelect[__bMENUCurrentLevel]; // keep the current select

                while(__bMENUSelect[__bMENUCurrentLevel] != bItemNum-1)
                {
                    __bMENUSelect[__bMENUCurrentLevel]++;

                    _bMENUTemp = __bMENUSelect[__bMENUCurrentLevel]; 

                    if(GET_ITEM_ATTRIBUTE(_pTempMenu, _bMENUTemp) == IS_ITEM||
                       GET_ITEM_ATTRIBUTE(_pTempMenu, _bMENUTemp) == IS_DIALOG)
                    {
                        if (*(GET_MENU_ENABLE(_pTempMenu)+_bMENUTemp/8) & (1 << (_bMENUTemp%8))) // if enabled
                        {
                            break; // find a enabled item
                        }
                        else
                        {
                            if (__bMENUSelect[__bMENUCurrentLevel] == bItemNum-1)
                            {
                                // no enabled item is found, so the cursor remain still
                                __bMENUSelect[__bMENUCurrentLevel] = bOrgItem;
                                return;
                            }
                        }
                    } // if IS_ITEM
                    else
                    {
                        break; // for value, no such consideration, just move the cursor as usual

                    }
                } // while
#else
                __bMENUSelect[__bMENUCurrentLevel]++;
#endif

		if (__bMENUCurrentLevel < MENU_LEVEL-1)
			__bMENUSelect[__bMENUCurrentLevel+1] = 0; // set select to 0, the first item.

		__wMENUPrevItemId = __wMENUCurrentItemId;

		if (__bMENUCurrentLevel == 0) 
                {
                    OSDSETUP_ShowDescriptionText();
                    // Brian1.08a, display menu settings when menu cursor in on Icon menu 
#ifdef SUPPORT_MENU_SETTINGS_DISPLAY
                    _ClearCurrentSettings();
                    _DisplayCurrentSettings();
#endif
                }

                if(GET_ITEM_ATTRIBUTE(_pTempMenu, __bMENUSelect[__bMENUCurrentLevel]) == IS_LINE)
                {
                    // I assume nobody will put a seperate line as the last item,
                    // so I don't check if it is out of the range
                    __bMENUSelect[__bMENUCurrentLevel]++;