guimsg.c

基于NuCleus操作系统下的一个GUI界面

				}
			while((GF_NOT_SWITCH == pForm->type)&&(pForm != pScr->formlink.pCurrentForm));
			pScr->formlink.pCurrentForm->visibled = FALSE;
			pScr->formlink.pCurrentForm = pForm;
			FormShow(pForm);
			}
		}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;

}

//注意控件的坐标是针对form的左上角的坐标，
//因此要加上form的起始坐标
int  DrawControlButton(HWND hwnd)
{
	int iLeftScr,iTopScr;
	int i;
	if(hwnd)
		{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		iLeftScr = pForm->left + hwnd->left;
		iTopScr = pForm->top + hwnd->top;
		//清除Button所在区域，将区域颜色设为Button的backcolor
		FillRect(pScr,iLeftScr,iTopScr,hwnd->width,hwnd->height,&(hwnd->backcolor));
		//是否visibled
		if(hwnd->visibled)
			{
			//要把focus的地方留出来
			DrawRect(pScr, iLeftScr+GUI_FOCUS_GAP,iTopScr+GUI_FOCUS_GAP, 
					hwnd->width -2*GUI_FOCUS_GAP, hwnd->height -2*GUI_FOCUS_GAP, &RGB_Black);
			//画阴影部分
			for(i=1;i<=GUI_WINCONTROL_SHAPE;i++)
				{
				DrawHLine(pScr, iLeftScr+GUI_FOCUS_GAP, iTopScr+hwnd->height-GUI_FOCUS_GAP-i, 
					hwnd->width -2*GUI_FOCUS_GAP, &RGB_Black);
				DrawVLine(pScr, iLeftScr+hwnd->width-GUI_FOCUS_GAP-i,
					iTopScr+GUI_FOCUS_GAP, hwnd->height - 2*GUI_FOCUS_GAP, &RGB_Black);
				}
			DrawText(pScr,hwnd->alligntype,&(hwnd->fontcolor), hwnd->fontsize, iLeftScr+GUI_FOCUS_GAP+1, 
							iTopScr+GUI_FOCUS_GAP+1, iLeftScr+hwnd->width-GUI_FOCUS_GAP - 1, 
							iTopScr+hwnd->height-GUI_FOCUS_GAP-1, hwnd->text,0);
			//判断该button是否是焦点,如果是Focus ,外面画个框
			if(hwnd ==( pScr->formlink.pCurrentForm->pFocusChild))
				{
				DrawRect(pScr, iLeftScr,iTopScr,	hwnd->width, hwnd->height, &RGB_Black);
				DrawRect(pScr, iLeftScr+1,iTopScr+1,hwnd->width-2, hwnd->height-2, &RGB_Black);				
				}
			}
		
		}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;
	//	(SCR * pScreen, uint x, uint y, uint iWidth, uint iHeight, RGB * pRgb)
}

//可以编辑的控件显示

int DrawControlEdit(HWND hwnd)
{
	int iLeftScr,iTopScr;

	if(hwnd)
		{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		iLeftScr = pForm->left + hwnd->left;
		iTopScr = pForm->top + hwnd->top;
		//清除Edit所在区域，将区域颜色设为Edit的backcolor
		FillRect(pScr,iLeftScr,iTopScr,hwnd->width,hwnd->height,&(hwnd->backcolor));
		//是否visibled
		if(hwnd->visibled)
			{		

			//要把focus的地方留出来
			//DrawRect(pScr, iLeftScr+GUI_FOCUS_GAP,iTopScr+GUI_FOCUS_GAP, 
			//		hwnd->width -2*GUI_FOCUS_GAP, hwnd->height -2*GUI_FOCUS_GAP, &RGB_Black);


			//画阴影部分
			/*
			for(i=1;i<=GUI_WINCONTROL_SHAPE;i++)
				{
				DrawHLine(pScr, iLeftScr+GUI_FOCUS_GAP, iTopScr+hwnd->height-GUI_FOCUS_GAP-i, 
					hwnd->width -2*GUI_FOCUS_GAP, &rgbEdge);
				DrawVLine(pScr, iLeftScr+hwnd->width-GUI_FOCUS_GAP-i,
					iTopScr+GUI_FOCUS_GAP, hwnd->height - 2*GUI_FOCUS_GAP, &rgbEdge);
				}
			*/
			//判断该Edit是否是焦点,如果是Focus ,外面画个框，并将需要第几个字反色
			//传递给DrawText
			if(hwnd ==( pScr->formlink.pCurrentForm->pFocusChild))
				{

				DrawText(pScr,hwnd->alligntype,&(hwnd->fontcolor), hwnd->fontsize, iLeftScr+GUI_FOCUS_GAP+1, 
								iTopScr+GUI_FOCUS_GAP+1, iLeftScr+hwnd->width-GUI_FOCUS_GAP-1, 
								iTopScr+hwnd->height-GUI_FOCUS_GAP-1, hwnd->text,hwnd->tag+1);
				DrawRect(pScr, iLeftScr,iTopScr,	hwnd->width, hwnd->height, &RGB_Black);
				DrawRect(pScr, iLeftScr+1,iTopScr+1,hwnd->width-2, hwnd->height-2, &RGB_Black);				
				}
			else
				{
				//如果不是焦点，则不需要反色
				DrawText(pScr,hwnd->alligntype,&(hwnd->fontcolor), hwnd->fontsize, iLeftScr+GUI_FOCUS_GAP+1, 
								iTopScr+GUI_FOCUS_GAP+1, iLeftScr+hwnd->width-GUI_FOCUS_GAP-1, 
								iTopScr+hwnd->height-GUI_FOCUS_GAP-1, hwnd->text,0);
				
				}
			}
		
		}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;
}

//文字框控件显示
int DrawControlText(HWND hwnd)
{
	int iLeftScr,iTopScr;
	if(hwnd)
		{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		iLeftScr = pForm->left + hwnd->left;
		iTopScr = pForm->top + hwnd->top;
		//清除Text所在区域，将区域颜色设为Edit的backcolor
		FillRect(pScr,iLeftScr,iTopScr,hwnd->width,hwnd->height,&(hwnd->backcolor));
		//是否visibled
		if(hwnd->visibled)
			{		
			//text控件中如果tag不为零，则画框，否则不画框
			if(hwnd->tag == ALLREVERSE)
			{
				DrawText(pScr,hwnd->alligntype,&(hwnd->fontcolor), hwnd->fontsize, iLeftScr+1, 
							iTopScr+1, iLeftScr+hwnd->width-1, 
							iTopScr+hwnd->height-1, hwnd->text,ALLREVERSE);
			}
			else
			{
				if(hwnd->tag)
					DrawRect(pScr, iLeftScr,iTopScr,	hwnd->width, hwnd->height, &RGB_Black);

				DrawText(pScr,hwnd->alligntype,&(hwnd->fontcolor), hwnd->fontsize, iLeftScr+1, 
								iTopScr+1, iLeftScr+hwnd->width-1, 
								iTopScr+hwnd->height-1, hwnd->text,0);
			}
			/*
			DrawText(pScr,hwnd->alligntype,&(hwnd->fontcolor), hwnd->fontsize, iLeftScr+GUI_FOCUS_GAP+1, 
							iTopScr+GUI_FOCUS_GAP+1, iLeftScr+hwnd->width-GUI_FOCUS_GAP-1, 
							iTopScr+hwnd->height-GUI_FOCUS_GAP-1, hwnd->text);
			*/

			//判断该text是否是焦点,如果是Focus ,外面画个框
			//Text控件一般不用focus

			if(hwnd ==( pScr->formlink.pCurrentForm->pFocusChild))
				{
				DrawRect(pScr, iLeftScr,iTopScr,	hwnd->width, hwnd->height, &RGB_Black);
				}
			
			}
		
		}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;
}

//绘制位图控件
int DrawControlBmp(HWND hwnd)
{
	int iLeftScr,iTopScr;
	int  thetag;
	GUI_FORM*  pForm;
	SCR*  pScr;
	unsigned char (*pBmp)[2];	
	if(hwnd)
	{
		switch(hwnd->tag)
		{
			case  SET_OFF:
				pBmp=BmpOff;
				break;
			case  SET_ON:
				pBmp=BmpOn;
				break;
			case  GWC_RES:
				pBmp=BmpRes;
				break;
			default:
				//pBmp=bmpicon;
			
				break;
		};
		pForm = (GUI_FORM*)(hwnd->pOwner);
		pScr = (SCR*)(pForm->pScreen);
		iLeftScr = pForm->left + hwnd->left;
		iTopScr = pForm->top + hwnd->top;
		//是否visibled
		if(hwnd->visibled)
		{		
		//		FillRect(pScr, iLeftScr+1, iTopScr+1, hwnd->width,hwnd->height, &hwnd->backcolor);
			FillRect(pScr,iLeftScr+1,iTopScr+1,hwnd->width,hwnd->height,&(hwnd->backcolor));
			DrawBmp(pScr,iLeftScr+1, iTopScr+1, &RGB_Black, pBmp);
		
		}
		
	}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;
}
//画垂直线


int  DrawControlRect(HWND hwnd)
{
	int iLeftScr,iTopScr;
	if(hwnd)
	{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		iLeftScr = pForm->left + hwnd->left;
		iTopScr = pForm->top + hwnd->top;
		if(hwnd->visibled)
		{		
		
			FillRect(pScr,iLeftScr,iTopScr,hwnd->width,hwnd->height,&(hwnd->backcolor));
		}
	}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;	
}


int  DrawControlVLine(HWND hwnd)
{
int iLeftScr,iTopScr;

	if(hwnd)
		{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		iLeftScr = pForm->left + hwnd->left;
		iTopScr = pForm->top + hwnd->top;
		FillRect(pScr,iLeftScr,iTopScr,hwnd->width,hwnd->height,&(hwnd->backcolor));
		//是否visibled
		if(hwnd->visibled)
			{		
			
			DrawVLine(pScr, iLeftScr,iTopScr, hwnd->height , &RGB_Black);
			}
		}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;	
}

//画水平线
int  DrawControlHLine(HWND hwnd)
{
int iLeftScr,iTopScr;

	if(hwnd)
		{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		iLeftScr = pForm->left + hwnd->left;
		iTopScr = pForm->top + hwnd->top;
		//是否visibled
		if(hwnd->visibled)
			{
			DrawHLine(pScr, iLeftScr,iTopScr,hwnd->width, &RGB_Black);
			}
		}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;	
}

int  DrawLine(SCR* pScreen,int x1,int y1,int x2,int y2,RGB* pRgb)
{
	int x3,y3;
	unsigned int i;
	float k,A;
	k = (float)(y2-y1)/(x2-x1);
	A = (float)(y1*x2-y2*x1)/(x2-x1);
	if(x1 == x2)
	{	
		if(y1<y2)
		{
			y3 = y2;
			y2 = y1;
			y1 =y3;
		}
		for(i=y2;i<=y1;i++)
			DrawDot(pScreen,x1,i,pRgb);
		return;
	}

	if(y1 == y2)
	{	
		if(x1<x2)
		{
			x3 = x2;
			x2 = x1;
			x1 =x3;
		}
		for(i=x2;i<=x1;i++)
			DrawDot(pScreen,i,y1,pRgb);
		return;
	}
	
	if(x1<x2)
	{
		x3 = x2;
		x2 = x1;
		x1 =x3;
	}
	if(y1<y2)
	{
		y3 = y2;
		y2 = y1;
		y1 =y3;
	}
	if((x1 - x2)>=(y1 - y2))
	{
		for(i=x2;i<=x1;i++)
			DrawDot(pScreen,i,k*i+A,pRgb);
	}
	else
	{
		A = A/k;
		k = 1/k;
		for(i=y2;i<=y1;i++)
			DrawDot(pScreen,k*i-A,i,pRgb);	
	}
}

int  DrawControlLine(HWND hwnd)
{
	if(hwnd)
		{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		//是否visibled
		if(hwnd->visibled)
			{
			//DrawHLine(pScr, iLeftScr,iTopScr,hwnd->width, &RGB_Black);
				DrawLine(pScr,pForm->left + hwnd->left,pForm->top + hwnd->top,
				pForm->left + hwnd->width,pForm->top + hwnd->height,&RGB_Black);
			
			}
		}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;	
}



int  DrawControlHOOK(HWND hwnd)
{

int iLeftScr,iTopScr;
	if(hwnd)
		{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		
		iLeftScr = pForm->left + hwnd->left;
		iTopScr = pForm->top + hwnd->top;

	
		//是否visibled
		if(hwnd->visibled)
			{
				
				if(hwnd->valuecount == 0)
				{
					DrawLine(pScr,iLeftScr,iTopScr+hwnd->height /2,
						iLeftScr + hwnd->width/2,iTopScr+hwnd->height,&RGB_LightBlue);
					DrawLine(pScr,iLeftScr + hwnd->width/2,iTopScr+hwnd->height,
						iLeftScr + hwnd->width*3/2,iTopScr-hwnd->height /2,&RGB_LightBlue);
				}
				else if(hwnd->valuecount == 1)
				{
					DrawLine(pScr,iLeftScr,iTopScr+hwnd->height /2,
						iLeftScr + hwnd->width/2,iTopScr+hwnd->height,&RGB_Black);
					DrawLine(pScr,iLeftScr + hwnd->width/2,iTopScr+hwnd->height,
						iLeftScr + hwnd->width*3/2,iTopScr-hwnd->height /2,&RGB_Black);
				}
				DrawRect(pScr, iLeftScr,iTopScr, 
					hwnd->width , hwnd->height , &RGB_Black);	
					
			}
		}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;	
}
int DrawControlSortText(HWND hwnd)
{
	int iLeftScr,iTopScr;
	int i,j;
	if(hwnd)
		{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		iLeftScr = pForm->left + hwnd->left;
		iTopScr = pForm->top + hwnd->top;
		//清除控件所在区域，将区域颜色设为该控件的backcolor
		FillRect(pScr,iLeftScr,iTopScr,BMPW*MAXH_DEVICE,BMPW,&(hwnd->backcolor));
		//是否visibled
		if(hwnd->visibled)
			{		
			for(i = 0; i< MAXH_DEVICE; i++)
				{
				j = i%10;
				WriteAsci(pScr, &(hwnd->fontcolor), hwnd->fontsize, iLeftScr+i*BMPW, iTopScr, j+48);

				}
			}
		
		}
	else
		return ERR_POINTER_EMPTY;

	return GUI_SUCCESS;
}

int  DrawControlGroup(HWND hwnd)
{
	int iLeftScr,iTopScr;
	int i,j,color=0;
	uint ylen,xloc,yloc;
	if(hwnd)
	{
		GUI_FORM* pForm = (GUI_FORM*)(hwnd->pOwner);
		SCR*  pScr = (SCR*)(pForm->pScreen);
		//iLeftScr = pForm->left + hwnd->left;
		//iTopScr = pForm->top + hwnd->top;
		//是否visibled
		if(hwnd->visibled)
		{	//清除上次的谐波分析波形
			for(i=1;i<180;i++)
			{	
				for(j=1;j<520;j++)
				{
					DrawDot(pScr, hwnd->left+j, hwnd->top+i, &RGB_LightBlue);
				}
			}
			//绘新的谐波分析波形
			for(i=0;i<MAXSAMPLE_gui;i++)
			{
				if(i%4==0&&i<=256)//i=0,4,8,12,16,20,24,28,32......
				{
					ylen=Ylen_FFT[i];
					//if(ylen>180)
					//	{ylen=180;}
					//xloc=i*4+200;
					xloc=i*2+200;