popn: native touch option, keypad warning (#640)

#639 

the usual

src/spice2x/launcher/launcher.cpp

@@ -597,6 +597,9 @@ int main_implementation(int argc, char *argv[]) {
     if (options[launcher::Options::PopnSubMonitorOverride].is_active()) {
         sysutils::SECOND_MONITOR_OVERRIDE = options[launcher::Options::PopnSubMonitorOverride].value_text();
     }
+    if (options[launcher::Options::PopnNativeTouch].value_bool()) {
+        games::popn::NATIVE_TOUCH = true;
+    }
     if (options[launcher::Options::LoadMetalGearArcadeModule].value_bool()) {
         attach_mga = true;
     }

src/spice2x/launcher/options.cpp

@@ -1008,6 +1008,18 @@ static const std::vector<OptionDefinition> OPTION_DEFINITIONS = {
         .category = "Monitor",
         .picker = OptionPickerType::Monitor,
     },
+    {
+        // PopnNativeTouch
+        .title = "Pop'n Music PikaPika Native Touch Handling",
+        .name = "popnnativetouch",
+        .desc = "Disables touch hooks and lets the game access a touch screen directly. "
+                "Requires a touch screen to be connected as a secondary monitor. "
+                "Touch input must be routed to the primary screen via Windows Tablet PC settings. "
+                "Enable this when you get duplicate touch inputs from an actual touch screen.",
+        .type = OptionType::Bool,
+        .game_name = "Pop'n Music",
+        .category = "Game Options (Advanced)",
+    },
     {
         .title = "Force Load HELLO! Pop'n Music Module",
         .name = "hpm",

src/spice2x/launcher/options.h

@@ -101,6 +101,7 @@ namespace launcher {
             PopnMusicForceSDMode,
             PopnNoSub,
             PopnSubMonitorOverride,
+            PopnNativeTouch,
             LoadHelloPopnMusicModule,
             LoadGitaDoraModule,
             GitaDoraTwoChannelAudio,