ui.c
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#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include "ui.h"
#define TIME_LENGTH 24
#define HEADER_TEXT_LENGTH 24
#define LOG_LINES 35
#define LOG_LENGTH 82
#define IPS 20
#define SCREEN_TIME 1000000/IPS
#define SPACES " "
char uilog[LOG_LINES][LOG_LENGTH];
char started[TIME_LENGTH];
char uid[HEADER_TEXT_LENGTH];
char uidDate[HEADER_TEXT_LENGTH];
pid_t mainPid;
void* drawUI(void* we)
{
while(1)
{
printf("\x1b[2J\x1b[1;1H");
displayUI();
usleep(SCREEN_TIME);
}
return NULL;
}
void setTagName(char* tag)
{
time_t now = time(NULL);
strcpy(uid, tag);
strftime(uidDate, HEADER_TEXT_LENGTH, "%F-%T:%d", localtime(&now));
}
void initUILog()
{
started[0]='\0';
mainPid = getpid();
uid[0]='\0';
uidDate[0]='\0';
for(int i=0; i<LOG_LINES; i++)
uilog[i][0] = '\0';
}
char* fillHeaderWithSpaces(char* buf, char* text)
{
char tmpretheader[HEADER_TEXT_LENGTH+1];
strcpy(tmpretheader, text);
while(strlen(tmpretheader) < HEADER_TEXT_LENGTH)
strcat(tmpretheader, " ");
for(int i=0; i<strlen(tmpretheader); i++)
buf[i] = tmpretheader[i];
buf[strlen(tmpretheader)] = '\0';
return buf;
}
void addToLog(char* newStr)
{
for(int i=LOG_LINES-2; i>=0; i--)
strcpy(uilog[i+1], uilog[i]);
strcpy(uilog[0], newStr);
}
char* fillLogWithSpaces(char* buf, char* text)
{
strncpy(buf, text, LOG_LENGTH);
if(strlen(buf) > 0)
strncat(buf, SPACES, LOG_LENGTH-strlen(buf)-1);
else
strncat(buf, SPACES, LOG_LENGTH-strlen(buf)-1-12);
return buf;
}
void setStartTime(char* sT)
{
strcpy(started, sT);
}
void displayUI()
{
char buffer[LOG_LENGTH];
//header
printf("\u250F\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2533\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2533\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513\n");
printf("\u2503 %s \u2503 T H E \u2503", fillHeaderWithSpaces(buffer, "Started since"));
sprintf(buffer, "%s", strlen(uidDate) > 0 ? uidDate : "Waiting for a tag");
printf(" %s \u2503\n", fillHeaderWithSpaces(buffer, buffer));
printf("\u2503 %s \u2503 T W E E K \u2503 ", fillHeaderWithSpaces(buffer, started));
printf("%s \u2503\n", fillHeaderWithSpaces(buffer, " "));
sprintf(buffer, "PID %d", mainPid);
printf("\u2503 %s \u2503 P R O J E C T \u2503 ", fillHeaderWithSpaces(buffer, buffer));
sprintf(buffer, "UID : %s", strlen(uid) > 0 ? uid : "Nope");
printf("%s \u2503\n", fillHeaderWithSpaces(buffer, buffer));
printf("\u2522\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u253B\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u253B\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u252B\n");
//body
int i=0;
while(i<LOG_LINES)
{
printf("\u2503 %s \u2503\n", fillLogWithSpaces(buffer, uilog[LOG_LINES-i-1]));
i++;
}
printf("\u2517\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u251B\n");
}