CatView/src/calendar.c at main · PandaWood/CatView · GitHub

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#include "calendar.h"
#include "tyac.h"
#include <conio.h>
#include <stdio.h>

#define INDENT "                    "

void Calc_Calendar(int calendar[][7], int *daysinmonth, int day, int month, int year) {
	int col, row, x;

	switch (month) {
	case 1:
	case 3:
	case 5:
	case 7:
	case 8:
	case 10:
	case 12:
		*daysinmonth = 31;
		break;
	case 4:
	case 6:
	case 9:
	case 11:
		*daysinmonth = 30;
		break;
	case 2:
		*daysinmonth = 28;
		if (Is_LeapYear(year))
			*daysinmonth = 29;
		break;
	}
	/* initialise calendar array */
	for (row = 0; row < 6; row++)
		for (col = 0; col < 7; col++)
			calendar[row][col] = 0;

	/* load days of month into calendar array */
	for (row = 0, x = 1; x <= *daysinmonth; row++)
		for (col = day; x <= *daysinmonth; col++)
			calendar[row][col] = x++;
}

void Display_Calendar(int calendar[][7], char *monthlist[12], int day, int month, int year) {
	int row, col;

	textcolor(LIGHTCYAN);
	textbackground(BLUE);
	cprintf("%s\n%39d \r%s%s\r\n", INDENT, year, INDENT, monthlist[month - 1]); /* print month and year of calendar */
	cprintf("%sSun   Mon   Tue   Wed   Thu   Fri   Sat\r\n%s ", INDENT, INDENT);
	write_string("+Month+ <Page Dn>", CYAN, BLUE, 0, 63);
	write_string("-Month- <Page Up>", CYAN, BLUE, 0, 0);

	textcolor(WHITE);
	textbackground(BLUE);
	for (row = 0; row < 6; row++, cprintf("\r\n%s ", INDENT))
		for (col = 0; col < 7; col++) {
			if (calendar[row][col] == day) {
				textcolor(YELLOW + BLINK);
				textbackground(BLUE);
				cprintf("%-6d", calendar[row][col]);
				textcolor(WHITE);
				textbackground(BLUE);
			} else if (calendar[row][col])
				cprintf("%-6d", calendar[row][col]);
			else
				cprintf("      ");
		}
}