pdutils/keyhandler.c at master · mooseman/pdutils · GitHub

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/*  keyhandler.c  */

/*
  A simple program to handle keys (in particular, function keys,
  Ctrl keys, Alt keys and arrow keys).
  This code is released to the public domain.
  "Share and enjoy...."   ;)
*/


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <ctype.h>


void func1(void)
{
   printf("Hey, you entered foo! \n");
}

void func2(void)
{
   printf("Hey, you entered bar! \n");
}

void alt_a(void)
{
   printf("Hey, you pressed ALT a! \n");
}

void alt_b(void)
{
   printf("Hey, you pressed ALT b! \n");
}

void ctrl_a(void)
{
   printf("Hey, you pressed CTRL a! \n");
}

void ctrl_g(void)
{
   printf("Hey, you pressed CTRL g! \n");
}

void up_arrow(void)
{
   printf("Hey, you pressed the up arrow! \n");
}

void down_arrow(void)
{
   printf("Hey, you pressed the down arrow! \n");
}

void left_arrow(void)
{
   printf("Hey, you pressed the left arrow! \n");
}

void right_arrow(void)
{
   printf("Hey, you pressed the right arrow! \n");
}

void f2(void)
{
   printf("Hey, you pressed F2! \n");
}

void f3(void)
{
   printf("Hey, you pressed F3! \n");
}

void f4(void)
{
   printf("Hey, you pressed F4! \n");
}


int main(void)
{

  char word[80];
  char ch;

  do {
    puts("Enter some text :");
    scanf("%s", word);

   if ( !strcmp(word, "foo") ) {
      func1();
  }

   else if (!strcmp(word, "bar") ) {
      func2();
  }

   else if (!strcmp(word, "\x1b\x61") ) {
      alt_a();
  }

   else if (!strcmp(word, "\x1b\x62") ) {
      alt_b();
  }

   else if (!strcmp(word, "\x07") ) {
      ctrl_g();
  }

   else if (!strcmp(word, "\x01") ) {
      ctrl_a();
  }

   else if (!strcmp(word, "\x1b\x5b\x41") ) {
      up_arrow();
  }

   else if (!strcmp(word, "\x1b\x5b\x42") ) {
      down_arrow();
  }

   else if (!strcmp(word, "\x1b\x5b\x43") ) {
      right_arrow();
  }

   else if (!strcmp(word, "\x1b\x5b\x44") ) {
      left_arrow();
  }

   else if (!strcmp(word, "\x1b\x4f\x51") ) {
      f2();
  }

   else if (!strcmp(word, "\x1b\x4f\x52") ) {
      f3();
  }

   else if (!strcmp(word, "\x1b\x4f\x53") ) {
      f4();
  }

   else  {
   printf("Nope - I do not recognise that phrase.... \n");
  }

   printf("Try again? (y/n) : ");
   scanf(" %c%*c", &ch);
  }

    while( toupper(ch) != 'N' );

  return 0;

}