player/Project/Src/MyWin/Window/mywin_record.c

#include "mywin_inc.h"





WIN_RecordStruct *WIN_CreatRecord (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))RECORD_DefaultMsgLoop;  
	} 
	
	WIN_RecordStruct *ret=mymalloc (sizeof ( WIN_RecordStruct));
	//调用父类的构造函数
	if (ret)
	{
		mymemset (ret,0,sizeof ( WIN_RecordStruct));
		if (0==WIN_CreatWindowExt((WIN_WindowStruct *)ret,base,msgLoop,x,y,x_size,y_size))
		{
			//创建失败
			myfree (ret);
			ret=0;
		}
		else
		{
			//构造一个
			((WIN_WindowStruct *)ret)->winType="WIN_RecordStruct";
			((WIN_WindowStruct *)ret)->bkcolor=0x0;
			((WIN_WindowStruct *)ret)->color=0xffffaa;
			((WIN_WindowStruct *)ret)->keyChid=1;		//作为子窗口被创建
			ret->color_light=0xffffff;
			ret->color_dark=0x808080;
			ret->msg_x_size=x_size*4/5;		//每条消息的最大显示宽度
			ret->font_size=16;						//默认字体大小
		}
	}
	
	
	return ret;
}


//得到消息总长度
int RECORD_GetMsgYSize(WIN_RecordStruct *box);




//添加消息，msg_type='s',发送的消息，msg_type='r',接收的消息
int RECORD_AddMsg(WIN_RecordStruct *box,char msg_type,char *msg)
{
	int len=strlen(msg)+1;
	if(len>=RECORD_MAX_MSG_LEN)
		return -1;
	
	if (box->msg_used<RECORD_MAX_MSG_NUM)
	{
		mymemcpy(box->msgs[box->msg_end].msg,msg,len);
		box->msgs[box->msg_end].msg_type=msg_type;
		box->msg_used++;
	}
	else
	{
		mymemcpy(box->msgs[box->msg_end].msg,msg,len);
		box->msgs[box->msg_end].msg_type=msg_type;
		box->msg_start++;
		if (box->msg_start>=RECORD_MAX_MSG_NUM)
			box->msg_start=0;
	}
	//得到文字框的大小
	int txt_x_size=len*box->font_size/2;
	box->msgs[box->msg_end].x_size=txt_x_size;
	box->msgs[box->msg_end].y_size=box->font_size;
	while(txt_x_size>box->msg_x_size)
	{
		txt_x_size-=box->msg_x_size;
		box->msgs[box->msg_end].y_size+=box->font_size;
	}
	if(box->msgs[box->msg_end].x_size>box->msg_x_size)
		box->msgs[box->msg_end].x_size=box->msg_x_size;
	box->msgs[box->msg_end].y_size+=8;
	
	//更新尾部指针
	box->msg_end++;
	if (box->msg_end>=RECORD_MAX_MSG_NUM)
		box->msg_end=0;
	
	//显示最新的消息
	int all_y_size=RECORD_GetMsgYSize(box);
	if(all_y_size>((WIN_WindowStruct *)box)->y_size)
	{
		box->y_off=((WIN_WindowStruct *)box)->y_size-all_y_size;
	}
	
	//父窗口是顶端窗口时刷新
//	if (WIN_FindTopWin(WIN_GetBaseWindow())==((WIN_WindowStruct *)box)->baseWin)
	{
		WIN_SetInvalidWhenTop ((WIN_WindowStruct *)box);
	}
	return 0;
}


//得到消息总长度
int RECORD_GetMsgYSize(WIN_RecordStruct *box)
{
	int y_size=0;
	for (int i=0;i<box->msg_used;i++)
	{
		y_size+=box->msgs[i].y_size;
	}
	return y_size;
}



//由相对与box->msg_start的索引偏移值得到消息结构体
Record_MsgStruct *RECORD_GetMsgByIndexOffset(WIN_RecordStruct *box,int index_offset)
{
	if(index_offset>box->msg_used-1) return 0;
	if(index_offset<-box->msg_used) return 0;
	
	int index=0;
	if (index_offset>=0) index=box->msg_start;
	if (index_offset<0) index=box->msg_end;
	
	return 
		&box->msgs[ (index+index_offset)%box->msg_used];
}



//由偏移值得到消息索引偏移
int RECORD_GetMsgIndexOffsetByOffset(WIN_RecordStruct *box,int offset,int *box_offset)
{
	int msg_y_size=RECORD_GetMsgYSize(box);
	int y_size=((WIN_WindowStruct *)box)->y_size;
	if(msg_y_size+offset<0) return -1;	//偏移值大于本身长度，找不到索引
	if(offset>0) return -1;
	
	int sum_y_size=0;
	int index=0;
	while(1)
	{
		Record_MsgStruct *msg=RECORD_GetMsgByIndexOffset(box,index);
		if (msg==0) return -1;		//参数有误，找不到消息
		sum_y_size+=msg->y_size;
		if (offset+sum_y_size<0)
			index++;
		else
		{
			*box_offset=offset+sum_y_size-msg->y_size;
			break;
		}
	}
	
	return index;
}







void RECORD_DefaultPaint (WIN_RecordStruct *box)
{
	int x=0;
	int y=0;
	int x_size=((WIN_WindowStruct *)box)->x_size;
	int y_size=((WIN_WindowStruct *)box)->y_size;
	
	WIN_PaintBackGround ((WIN_WindowStruct *)box);
	u32 font_size=WIN_SetFontSize(box->font_size);

	WIN_SetLcdColor (((WIN_WindowStruct *)box)->color);
	
	int box_off=0;
	int index=RECORD_GetMsgIndexOffsetByOffset(box,box->y_off,&box_off);
	if (index!=-1)
	{
		while(1)
		{
			Record_MsgStruct *msg=RECORD_GetMsgByIndexOffset(box,index);
			if (msg)
			{
				if (msg->msg_type=='r')
				{
					WIN_SetLcdColor (((WIN_WindowStruct *)box)->color);
					WIN_DrawTxtAtRect(msg->msg,2,box_off+1,msg->x_size,msg->y_size-6);
					
					WIN_SetLcdColor (((WIN_WindowStruct *)box)->bkcolor);
					//WIN_DrawRect (0,box_off,msg->x_size,msg->y_size-3);
					WIN_FillRectByColorAlpha(0,box_off,msg->x_size,msg->y_size-3,16);
				}
				else if (msg->msg_type=='s')
				{
					WIN_SetLcdColor (((WIN_WindowStruct *)box)->color);
					WIN_DrawTxtAtRect(msg->msg,x_size+2-msg->x_size,box_off+1,msg->x_size,msg->y_size-6);
					
					WIN_SetLcdColor (((WIN_WindowStruct *)box)->bkcolor);
					//WIN_DrawRect (x_size-msg->x_size,box_off,msg->x_size,msg->y_size-3);
					WIN_FillRectByColorAlpha(x_size-msg->x_size,box_off,msg->x_size,msg->y_size-3,16);
				}
				box_off+=msg->y_size;
			}
			else break;
			index++;
			if (box_off>y_size) break;
		}
	}

	//绘制边框
	if (box->press)
		WIN_SetLcdColor (box->color_light);
	else
		WIN_SetLcdColor (box->color_dark);
	
	WIN_DrawRect (0,0,((WIN_WindowStruct *)box)->x_size,((WIN_WindowStruct *)box)->y_size);
	WIN_SetFontSize(font_size);
}






void RECORD_DefaultMsgLoop (WIN_RecordStruct *box,WIN_MsgStruct *msg)
{
	WIN_MoveStruct *m=0;
	WIN_KeyStruct *k=0;
	switch (msg->msg)
	{	
		case WIN_MSG_PAINT:
			RECORD_DefaultPaint(box);
		break;
		case WIN_MSG_KEY:
			k=msg->data.p;
			if (k->shortPress& KEY_VALUE_DOWN)
			{
			}
			else if (k->shortPress&KEY_VALUE_UP)
			{
			}
		break;
		case WIN_MSG_MOVE:
			m=msg->data.p;
			switch (m->moveType)
			{
				case MOVE_DATA_MOVED:
				{
					box->y_off+=m->y_move;
					int msg_y_size=RECORD_GetMsgYSize(box);
					if (box->y_off>0) box->y_off=0;
					else if(box->y_off<-msg_y_size)
						box->y_off=-msg_y_size;
					WIN_SetInvalid ((WIN_WindowStruct *)box);
					break;
				}
				case MOVE_DATA_TOUCHIN:
					box->press=1;
					WIN_SetInvalid ((WIN_WindowStruct *)box);
					break;
				case MOVE_DATA_TOUCHOUT:
				case MOVE_DATA_MOVEOUT:
					box->press=0;
					WIN_SetInvalid ((WIN_WindowStruct *)box);
					break;
				default:
					break;
			}
			break;
		default:
			WIN_DefaultMsgLoop((WIN_WindowStruct *)box,msg);
		break;
	}
}

WIN_RecordStruct *RECORD_DrawRecord (WIN_WindowStruct *base,int x,int y,int x_size,int y_size)
{
	WIN_RecordStruct *box=WIN_CreatRecord(base,0,x,y,x_size,y_size);
	
	//设置弹出框的背景	
	WIN_SetBackPic ((WIN_WindowStruct *)box);
		
	WIN_ShowWindow((WIN_WindowStruct *)box);
	return box;
}