Add parameter to disable gamepad mouse emulation

docs/README.pod

@@ -152,6 +152,10 @@ Send quit app request to remote after quitting session
 
 Disable all input processing (view-only mode)
 
+=item B<-nomouseemulation>
+
+Disable gamepad mouse emulation (activated by long pressing Start button)
+
 =item B<-verbose>
 
 Enable verbose output

src/config.c

@@ -71,6 +71,7 @@ static struct option long_options[] = {
   {"rotate", required_argument, NULL, '3'},
   {"verbose", no_argument, NULL, 'z'},
   {"debug", no_argument, NULL, 'Z'},
+  {"nomouseemulation", no_argument, NULL, '4'},
   {0, 0, 0, 0},
 };
 
@@ -240,6 +241,9 @@ static void parse_argument(int c, char* value, PCONFIGURATION config) {
   case 'Z':
     config->debug_level = 2;
     break;
+  case '4':
+    config->mouse_emulation = false;
+    break;
   case 1:
     if (config->action == NULL)
       config->action = value;
@@ -357,6 +361,7 @@ void config_parse(int argc, char* argv[], PCONFIGURATION config) {
   config->unsupported = true;
   config->quitappafter = false;
   config->viewonly = false;
+  config->mouse_emulation = true;
   config->rotate = 0;
   config->codec = CODEC_UNSPECIFIED;
 
@@ -376,7 +381,7 @@ void config_parse(int argc, char* argv[], PCONFIGURATION config) {
   } else {
     int option_index = 0;
     int c;
-    while ((c = getopt_long_only(argc, argv, "-abc:d:efg:h:i:j:k:lm:no:p:q:r:s:tu:v:w:xy", long_options, &option_index)) != -1) {
+    while ((c = getopt_long_only(argc, argv, "-abc:d:efg:h:i:j:k:lm:no:p:q:r:s:tu:v:w:xy4", long_options, &option_index)) != -1) {
       parse_argument(c, optarg, config);
     }
   }

src/config.h

@@ -43,6 +43,7 @@ typedef struct _CONFIGURATION {
   bool unsupported;
   bool quitappafter;
   bool viewonly;
+  bool mouse_emulation;
   char* inputs[MAX_INPUTS];
   int inputsCount;
   enum codecs codec;

src/input/evdev.c

@@ -116,6 +116,7 @@ static short* currentAbs;
 static bool* currentReverse;
 
 static bool grabbingDevices;
+static bool mouseEmulationEnabled;
 
 static bool waitingToExitOnModifiersUp = false;
 
@@ -422,7 +423,7 @@ static bool evdev_handle_event(struct input_event *ev, struct input_device *dev)
         } else
           dev->buttonFlags &= ~gamepadCode;
 
-        if (gamepadCode == PLAY_FLAG && ev->value == 0) {
+        if (mouseEmulationEnabled && gamepadCode == PLAY_FLAG && ev->value == 0) {
           struct timeval elapsedTime;
           timersub(&ev->time, &dev->btnDownTime, &elapsedTime);
           int holdTimeMs = elapsedTime.tv_sec * 1000 + elapsedTime.tv_usec / 1000;
@@ -982,8 +983,9 @@ void evdev_stop() {
   evdev_drain();
 }
 
-void evdev_init() {
+void evdev_init(bool mouse_emulation_enabled) {
   handler = evdev_handle_event;
+  mouseEmulationEnabled = mouse_emulation_enabled;
 }
 
 static struct input_device* evdev_get_input_device(unsigned short controller_id) {

src/input/evdev.h

@@ -24,7 +24,7 @@ extern int evdev_gamepads;
 void evdev_create(const char* device, struct mapping* mappings, bool verbose, int rotate);
 void evdev_loop();
 
-void evdev_init();
+void evdev_init(bool mouse_emulation_enabled);
 void evdev_start();
 void evdev_stop();
 void evdev_map(char* device);

src/main.c

@@ -209,6 +209,7 @@ static void help() {
   printf("\t-nounsupported\t\tDon't stream if resolution is not officially supported by the server\n");
   printf("\t-quitappafter\t\tSend quit app request to remote after quitting session\n");
   printf("\t-viewonly\t\tDisable all input processing (view-only mode)\n");
+  printf("\t-nomouseemulation\t\tDisable gamepad mouse emulation support (long pressing Start button)\n");
   #if defined(HAVE_SDL) || defined(HAVE_X11)
   printf("\n WM options (SDL and X11 only)\n\n");
   printf("\t-windowed\t\tDisplay screen in a window\n");
@@ -346,7 +347,7 @@ int main(int argc, char* argv[]) {
         }
 
         udev_init(!inputAdded, mappings, config.debug_level > 0, config.rotate);
-        evdev_init();
+        evdev_init(config.mouse_emulation);
         rumble_handler = evdev_rumble;
         #ifdef HAVE_LIBCEC
         cec_init();