From 97c9050afbcd5f51099a9984e5e4a43cb591a2e4 Mon Sep 17 00:00:00 2001
From: Thomas Castleman <thomas.castleman2019@gmail.com>
Date: Tue, 3 Sep 2019 23:48:46 -0400
Subject: [PATCH] several additions

 * added new make rules
   * debug : for debugging versions
   * uninstall : to uninstall for the user
   * portable : make a more portable, 64-bit version

* added support
---
 driver-uinput/Makefile                        | 15 ++++++++++-
 .../{networktablet.c => networktablet.cxx}    | 26 ++++++++++++++++---
 2 files changed, 37 insertions(+), 4 deletions(-)
 rename driver-uinput/{networktablet.c => networktablet.cxx} (92%)

diff --git a/driver-uinput/Makefile b/driver-uinput/Makefile
index c260683..0fec871 100644
--- a/driver-uinput/Makefile
+++ b/driver-uinput/Makefile
@@ -2,10 +2,23 @@ TARGET = networktablet
 PREFIX = /usr/local
 BINDIR = $(PREFIX)/bin
 
-networktablet : networktablet.c
+networktablet : 
+	g++ -Wall -o "networktablet" "networktablet.cxx"
+	
+debug :
+	g++ -Wall -g -o "networktablet-debug" "networktablet.cxx"
 
 clean :
 	rm -f networktablet
 
 install :
 	install -D networktablet $(DESTDIR)$(BINDIR)/networktablet
+	
+uninstall :
+	rm -f networktablet networktablet-debug $(DESTDIR)$(BINDIR)/networktablet
+	
+portable64 :
+	g++ -Wall -m64 -o "networktablet64" "networktablet.cxx"
+	
+portable32 :
+	g++ -Wall -m32 -o "networktablet32" "networktablet.cxx"
diff --git a/driver-uinput/networktablet.c b/driver-uinput/networktablet.cxx
similarity index 92%
rename from driver-uinput/networktablet.c
rename to driver-uinput/networktablet.cxx
index e2d6a79..5178331 100644
--- a/driver-uinput/networktablet.c
+++ b/driver-uinput/networktablet.cxx
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <string>
 #include <signal.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -11,6 +12,7 @@
 #include <linux/input.h>
 #include <linux/uinput.h>
 #include <stdint.h>
+#include <sstream>
 #include "protocol.h"
 
 #define die(str, args...) { \
@@ -19,6 +21,8 @@
 }
 
 
+using namespace std;
+
 int udp_socket;
 
 
@@ -135,12 +139,28 @@ void quit(int signal) {
 	close(udp_socket);
 }
 
+int ConvertToInt(string &convert)
+{
+	stringstream sti(convert);
+	int output;
+	sti >> output;
+	return output;
+}
 
-int main(void)
+int main(int argc, char **argv)
 {
 	int device;
 	struct event_packet ev_pkt;
-
+	
+	//add a sort of "cushion" so that less pressure is required to register as
+	//a click and drag
+	string cushion_string = "";
+	int cushion = 0;
+	if (argc == 2)
+	{
+		cushion_string = argv[1];
+		cushion = ConvertToInt(cushion_string);
+	}
 	if ((device = open("/dev/uinput", O_WRONLY | O_NONBLOCK)) < 0)
 		die("error: open");
 
@@ -169,7 +189,7 @@ int main(void)
 
 		ev_pkt.x = ntohs(ev_pkt.x);
 		ev_pkt.y = ntohs(ev_pkt.y);
-		ev_pkt.pressure = ntohs(ev_pkt.pressure);
+		ev_pkt.pressure = ntohs(ev_pkt.pressure) + cushion;
 		printf("x: %hu, y: %hu, pressure: %hu\n", ev_pkt.x, ev_pkt.y, ev_pkt.pressure);
 
 		send_event(device, EV_ABS, ABS_X, ev_pkt.x);