Exemplifies the usage of a mouse in console environment. Purely coded in C using gcc compiler (MinGW, to be more precise)

Input.c

#include <windows.h>
#define MAXCONSOLEINPUTS 20

//This is the input module. It can handle not only Mouse but keyboard also.

HANDLE rHnd, wHnd;  //Handles for reading and writing to the console.
//The Mouse Handle function. Or to be more precise, the pointer to the function
int (*handler) (int x, int y, int button,int state);
int initializecontrols();
int addmousehandler(int (*func) (int x, int y, int button,int state));
int domouse();

int initializecontrols() {
	//This module initializes the reading and writing handles.
	//It must be called before calling any of other functions that make use of
	//console input and output handles
	rHnd = GetStdHandle(STD_INPUT_HANDLE);
	wHnd = GetStdHandle(STD_OUTPUT_HANDLE);
	if (rHnd == NULL || wHnd == NULL) return FALSE;
	return TRUE;
}

int addmousehandler(int (*func) (int x, int y, int button,int state)) {
	if (func)	//If a valid function is passed
		handler = func;
	else return FALSE;
	return TRUE;
}

int domouse() {
	//This function should be called to receive the events present in the console buffer
	//returns nothing but calles the active handler with the event data as parameters
	long int numEvents =0,i;
	INPUT_RECORD ConsoleInputs[MAXCONSOLEINPUTS];
	int mouseX=0, mouseY=0,mouseButton=0,controlState=0;

	GetNumberOfConsoleInputEvents (rHnd, &numEvents);

	//return if nothing good has happened (i.e. no events)
	if (numEvents == 0) return FALSE;
	ReadConsoleInput (rHnd,ConsoleInputs,numEvents,&numEvents);
	//Send each event to its respective handler
	for (i =0; i<numEvents; i++) {
		switch (ConsoleInputs[i].EventType) {
			case MOUSE_EVENT:
				mouseX =ConsoleInputs[i].Event.MouseEvent.dwMousePosition.X;
				mouseY =ConsoleInputs[i].Event.MouseEvent.dwMousePosition.Y;
				controlState = ConsoleInputs[i].Event.MouseEvent.dwControlKeyState;
				mouseButton =  ConsoleInputs[i].Event.MouseEvent.dwButtonState;
				(*handler) (mouseX,mouseY,mouseButton,controlState);
			break;

			case KEY_EVENT:
				//You can add your own handler here
			break;
		}
	}
	return TRUE;
}

Mouse_Handling.c

#include <stdio.h>
#include <windows.h>
#include "INPUT.c"

extern HANDLE rHnd,wHnd;		//Declared in Input.c

//This function is our mouse handler.
int mousehandler (int x, int y, int button, int state);

void main() {
	if (!initializecontrols()) {				//must call before doing anything
		printf ("ERROR WHILE INITIALIZING\n");	//if couldn't initialize
		exit(0);
	}
	
	addmousehandler(mousehandler);  //adds our handler. Only one handler at a time
	
	while (!kbhit())		//Run until any key is pressed
		domouse();
}
	
void locate(int x, int y) {
	COORD pos = {x,y};
	SetConsoleCursorPosition (wHnd,pos);
}

void clearconsole () {
	int num;
	//Basically fill the console with a space ' '
	FillConsoleOutputCharacter (wHnd,' ',80*80, (COORD) {0,0},&num);
	locate(0,0);
}

int mousehandler (int x, int y, int button, int state) {
	clearconsole();		//Clears the console by filling with spaces.
	locate (0,0);		//Locates the cursor at specified coordinate;

	printf ("Move around and note things change. Press any key to exit\n");
	printf ("X= %2d \t Y= %2d\n",x,y);
	/*Notes Start
		Button = 0  No keys pressed
		Button = 1  Leftmost key pressed
		Button = 2  Rightmost key pressed
		Button = 4  From left first key pressed
	*/
	printf ("Button = %d\n", button);

	/* The space parameter specifies which toggle keys were active and which not*/
	if (state & NUMLOCK_ON)
		printf ("Num Lock Pressed\n");
	if (state & CAPSLOCK_ON)
		printf ("Caps Lock Pressed\n");
	if (state & SCROLLLOCK_ON)
		printf ("Scroll Lock Pressed\n");
	return 1;       //Can also be written as return TRUE;
}