#include "mywin_user_menu.h"




#define WIN_MENU_TYPE "WIN_MenuStruct"


WIN_MenuStruct *WIN_CreatMenu (WIN_WindowStruct *base,
			void (*msgLoop)(struct _WIN_WindowStruct *win,WIN_MsgStruct *msg),
			int x,int y,int x_size,int y_size)
{ 
	//重设消息循环
	if (msgLoop==0)
	{
		msgLoop=(void (*)(struct _WIN_WindowStruct *win,WIN_MsgStruct *msg))MENU_DefaultMsgLoop;  
	} 
	
	WIN_MenuStruct *ret=mymalloc (sizeof ( WIN_MenuStruct));
	//调用父类的构造函数
	if (ret)
	{
		mymemset (ret,0,sizeof ( WIN_MenuStruct));
		if (0==WIN_CreatTouchEx((WIN_TouchWinStruct *)ret,base,msgLoop,x,y,x_size,y_size))
		{
			//创建失败
			myfree (ret);
			ret=0;
		}
		else
		{
			((WIN_WindowStruct *)ret)->winType=WIN_MENU_TYPE;
			((WIN_WindowStruct *)ret)->color=0xaabbcc;
			
			ret->bar=WIN_CreatScrollbar((WIN_WindowStruct *)ret,0,20,45,x_size-40,y_size-90);
		}
	}
	
	
	return ret;
}



//设置标题
void MENU_SetTitle (WIN_MenuStruct *menu,char *img,char *txt)
{
	menu->title.img=img;
	mymemcpy (menu->title.txt,txt,strlen(txt)+1);
}


void MENU_SetMaxItem(WIN_MenuStruct *menu,int itemNum)
{
	SCROLLBAR_SetItemNum(menu->bar,itemNum);
}


//设置条目
void MENU_AddItem (WIN_MenuStruct *menu,char *img,char *txt)
{
	SCROLLBAR_AddItem(menu->bar,txt,img);
}


int MENU_GetAllItemNum(WIN_MenuStruct *menu)
{
	return menu->bar->itemNum;
}

char *MENU_GetItem(WIN_MenuStruct *menu,int index)
{
	if(index>=0&&index<menu->bar->itemNum)
		return menu->bar->items[index].txt;
	else return 0;
}

char *MENU_GetSelectItem(WIN_MenuStruct *menu)
{
	return MENU_GetItem(menu,menu->bar->index);
}
 

int MENU_GetIndex(WIN_MenuStruct *menu)
{
	return menu->bar->index;
}

			
//显示一个item结构体,靠左显示
void MENU_PaintItem (MENU_ItemStruct *item,int x,int y,int x_size,int y_size)
{
	
	int txt_xsize=WIN_GetFontWidth()*strlen(item->txt)/2;
	
	int img_xsize=0;			//图标横向尺寸
	int img_ysize=0;			//图标纵向尺寸
	int img_x=0;		//图标起点
	int img_y=0;					//图标起点
	
	if (item->img)
	{
		WIN_PicStruct *pic=WIN_GetPic(item->img);
		WIN_DrawPic(pic,x,y+(y_size-pic->ysize)/2,pic->xsize,pic->ysize);
		img_xsize+=pic->xsize+WIN_GetFontWidth()/2;
	}
	int txt_x=x+img_xsize;
	if (item->txt[0])
	{
		WIN_DrawTxtAt (item->txt,txt_x,y+y_size/2-WIN_GetFontHight()/2);
	}
	
}


//默认绘制函数
void MENU_DefaultPaint (WIN_MenuStruct *menu)
{
	
	int x=0;
	int y=0;
	int x_size=((WIN_WindowStruct *)menu)->x_size;
	int y_size=((WIN_WindowStruct *)menu)->y_size;
	
	WIN_PaintBackGround ((WIN_WindowStruct *)menu);
	
	//绘制标题
	WIN_SetLcdColor (((WIN_WindowStruct *)menu)->color);
	MENU_PaintItem (&menu->title,x+25,y,x_size/2,40);
	
	
}
			
















			
//默认消息处理函数
void MENU_DefaultMsgLoop (WIN_MenuStruct *menu,WIN_MsgStruct *msg)
{
	WIN_MoveStruct *m=0;
	WIN_KeyStruct *k=0;
	switch (msg->msg)
	{	
		case WIN_MSG_PAINT:
			MENU_DefaultPaint(menu);
		break;
		case WIN_MSG_INIT:
		{
			int x_size=((WIN_WindowStruct *)menu)->x_size;
			int y_size=((WIN_WindowStruct *)menu)->y_size;
			menu->key_back=WIN_CreatButton(((WIN_WindowStruct *)menu),0,x_size-65,y_size-30,65,30);
			BUTTON_SetKeyString(menu->key_back,"返回");
		}
		break;
		case WIN_MSG_KEY:
			k=msg->data.p;
			if (k->shortPress&KEY_VALUE_UP)//短按
			{
//				MENU_IndexSub (menu);
			}
			else if (k->shortPress&KEY_VALUE_DOWN)
			{
//				MENU_IndexAdd (menu);
			}
			if (k->shortPress&KEY_VALUE_HOME)
			{
				//返回
				((WIN_WindowStruct *)menu)->deleteWindow((WIN_WindowStruct *)menu);
				break;
			}
			if (k->shortPress)
			{
				WIN_SetInvalid ((WIN_WindowStruct *)menu);
			}
			break;//case WIN_MSG_KEY:
		case WIN_MSG_MOVE:
			m=msg->data.p;
			switch (m->moveType)
			{
				case MOVE_DATA_MOVED:
					{
					}
					break;
				case MOVE_DATA_TOUCHIN:
					break;
				case MOVE_DATA_TOUCHOUT:
					
					break;
				default:
					break;
			}
			break;
		case WIN_MSG_CHID:
			switch (msg->data.v)
			{
				case CHID_DELETE:
				break;
				case CHID_USER:
				{
					if (msg->srcWin==menu->key_back)
					{
						if (msg->data2.v==BUTTON_PRESSED)
						{
							//返回
							((WIN_WindowStruct *)menu)->deleteWindow((WIN_WindowStruct *)menu);
						}
					}
					else
					{
					}
				}
				break;
				default:
				break;
			}
			break;
		default:
			WIN_DefaultMsgLoop((WIN_WindowStruct *)menu,msg);
		break;
	}
}