#ifndef MYWIN_SCROLLBAR_H__
#define MYWIN_SCROLLBAR_H__




#define SCROLLBAR_ITEM_MAXLEN 20


//定义按键按下的消息
#define SCROLLBAR_PRESSED  0x00000001


typedef struct{
	char *pic_path;
	char txt[SCROLLBAR_ITEM_MAXLEN];
}Scrollbar_ItemStruct;


typedef struct
{
	WIN_WindowStruct win;
	int index;
	Scrollbar_ItemStruct *items;
	int itemMaxNum;
	int itemNum;
	int y_step;
	int y_offset;
	u32 color_light;
	u32 color_dark;
	
	int x_inertia;												//x方向的惯性
	int y_inertia;												//y方向的惯性
	int num_inertia;											//惯性数目
	int timer_inertia;										//惯性定时器
}WIN_ScrollbarStruct;





WIN_ScrollbarStruct *WIN_CreatScrollbar (WIN_WindowStruct *base,
			void (*msgLoop)(struct _WIN_WindowStruct *win,WIN_MsgStruct *msg),
			int x,int y,int x_size,int y_size);

	

//设置条目数
void SCROLLBAR_SetItemNum(WIN_ScrollbarStruct *bar,int itemNum);
			
			
//添加条目
void SCROLLBAR_AddItem (WIN_ScrollbarStruct *bar,char *item,char *pic_path);
			
			
//默认绘制函数
void SCROLLBAR_DefaultPaint (WIN_ScrollbarStruct *bar);
			
			
//默认消息处理函数
void SCROLLBAR_DefaultMsgLoop (WIN_ScrollbarStruct *bar,WIN_MsgStruct *msg);

			
//在指定位置弹出菜单
WIN_ScrollbarStruct *SCROLLBAR_SelectItem (WIN_WindowStruct *base,char **item,int itemNum,int x,int y,int x_size,int y_size);


WIN_ScrollbarStruct * SCROLLBAR_SelectNum (WIN_WindowStruct *base,int min,int max,int x,int y,int x_size,int y_size);











#endif