windows.c

关于UCOS操作系统很实用的资料,讲了许多经典的问题

#include "includes.h"
#include "windows.h"

#include <string.h>

#define MAX_CHARS   82

char   sLine[MAX_CHARS];
static WINDOWS winItem[MAX_WIN];
static int wincnt = 0x00;
static int winact = 0x00;

/////////////////////////////////////////////////////////////////////////////////////////////
//
int GetCurrentWin ( void )
{
	return winact;
}

void SetCurrentWin ( int curwin )
{
	winact = curwin;
}

PWINDOWS GetActiveWindow ( void )
{
	return &winItem[winact];
}

PWINDOWS CreateWindow ( int sx, int sy, int ex, int ey, int color, int bkcolor, char *title )
{
	int  i, width, high;

	if (sx < START_X || sy < START_Y || ex > MAX_X || ey > MAX_Y || wincnt >= MAX_WIN)
		return NULL;

	winItem[wincnt].sx      = sx;
	winItem[wincnt].sy      = sy;
	winItem[wincnt].cx      = sx + 1;
	winItem[wincnt].cy      = sy;
	winItem[wincnt].ex      = ex;
	winItem[wincnt].ey      = ey;
	winItem[wincnt].color   = color | bkcolor;
	strcpy(winItem[wincnt].title, title);

	high  = ey - sy;
	width = ex - sx;

	memset(sLine, 0x00, MAX_CHARS);

	memset(winItem[wincnt].cache, 0x20, width * high);

	memset(sLine, 0xCD, width + 2);
	sLine[0] = 0xC9; sLine[width + 1] = 0xBB;
	PC_DispStr(sx, sy - 1, sLine, winItem[wincnt].color);

	for (i = 0; i < high; i ++)
	{
		memset(sLine, 0x20, width + 2);
		sLine[0] = 0xBA; sLine[width + 1] = 0xB0;
		PC_DispStr(sx, i + sy, sLine, winItem[wincnt].color);
	}

	memset(sLine, 0xCD, width + 2);
	sLine[0] = 0xC8; sLine[width + 1] = 0xBC;
	PC_DispStr(sx, sy + high, sLine, winItem[wincnt].color);

	PC_DispChar(sx + width + 1, sy, 0x1E, winItem[wincnt].color);
	PC_DispChar(sx + width + 1, sy + high - 0x01, 0x1F, winItem[wincnt].color);
	PC_DispChar(sx + width + 1, sy + 1, 0x12, winItem[wincnt].color);
	PC_DispStr(sx + (width / 2) - (strlen(winItem[wincnt].title) / 2) + 1, sy - 1,
					winItem[wincnt].title, winItem[wincnt].color);

	return &winItem[wincnt ++];
}

void CreateTaskWindows ( void )
{
	int  i;
	char title[10];

	for (i = 0; i < 10; i ++)
	{
		sprintf(title, "%d\0", i + 1);
		CreateWindow (8 * i, 3, 8 * i + 6, 14, DISP_FGND_BLACK, DISP_BGND_LIGHT_GRAY, title);
	}
}

void ClearWindow ( void )
{
	PWINDOWS ptr = GetActiveWindow();
	int      i;

	memset(sLine, 0x00, MAX_CHARS);
	memset(sLine, 0x20, ptr->ex - ptr->sx);
	sLine[ptr->ex - ptr->sx] = '\0';

	for (i = ptr->sy; i < ptr->ey; i ++)
		PC_DispStr(ptr->sx + 1, i, sLine, ptr->color);

	ptr->cy = ptr->sy;
}

///////////////////////////////////////////////////////////////////////////////////////////