From fa8d64ec3a78604d98e59daa46bf34004957c1de Mon Sep 17 00:00:00 2001
From: David Chavez <david@dcvz.io>
Date: Thu, 22 Sep 2022 03:32:27 +0200
Subject: [PATCH] Disable game input when typing into a textfield (#1398)

* Disable game input when typing into a textfield

* Only block keyboard input when typing in textfield

* Address PR comments

* Fix spacing

* Generalize check on input device

Co-authored-by: Garrett Cox <garrettjcox@gmail.com>
---
 libultraship/libultraship/ControlDeck.cpp | 25 +++++++++++++++++++----
 libultraship/libultraship/ControlDeck.h   |  2 +-
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/libultraship/libultraship/ControlDeck.cpp b/libultraship/libultraship/ControlDeck.cpp
index 499d34d72..a1ef4da7f 100644
--- a/libultraship/libultraship/ControlDeck.cpp
+++ b/libultraship/libultraship/ControlDeck.cpp
@@ -5,6 +5,7 @@
 #include "DummyController.h"
 #include <Utils/StringHelper.h>
 #include "Cvar.h"
+#include "Lib/ImGui/imgui.h"
 
 #ifndef __WIIU__
 #include "KeyboardController.h"
@@ -75,20 +76,26 @@ namespace Ship {
 	void ControlDeck::WriteToPad(OSContPad* pad) const {
 		for (size_t i = 0; i < virtualDevices.size(); i++) {
 			const std::shared_ptr<Controller> backend = physicalDevices[virtualDevices[i]];
+
+			// If the controller backend is "Auto" we need to get the real device
+			// we search for the real device to read input from it
 			if (backend->GetGuid() == "Auto") {
 				for (const auto& device : physicalDevices) {
-					if(ShouldBlockGameInput() && device->GetGuid() != "Keyboard") {
+					if(ShouldBlockGameInput(device->GetGuid())) {
 						device->Read(nullptr, i);
 						continue;
 					}
+
 					device->Read(&pad[i], i);
 				}
 				continue;
 			}
-			if(ShouldBlockGameInput() && backend->GetGuid() != "Keyboard") {
+
+			if(ShouldBlockGameInput(backend->GetGuid())) {
 				backend->Read(nullptr, i);
 				continue;
 			}
+
 			backend->Read(&pad[i], i);
 		}
 	}
@@ -264,7 +271,17 @@ namespace Ship {
         shouldBlockGameInput = false;
     }
 
-    bool ControlDeck::ShouldBlockGameInput() const {
-        return shouldBlockGameInput || (CVar_GetS32("gOpenMenuBar", 0) && CVar_GetS32("gControlNav", 0));
+    bool ControlDeck::ShouldBlockGameInput(std::string inputDeviceGuid) const {
+        // We block controller input if F1 menu is open and control navigation is on.
+        // This is because we don't want controller inputs to affect the game
+        bool shouldBlockControllerInput = CVar_GetS32("gOpenMenuBar", 0) && CVar_GetS32("gControlNav", 0);
+
+        // We block keyboard input if you're currently typing into a textfield.
+        // This is because we don't want your keyboard typing to affect the game.
+        ImGuiIO io = ImGui::GetIO();
+        bool shouldBlockKeyboardInput = io.WantCaptureKeyboard;
+
+        bool inputDeviceIsKeyboard = inputDeviceGuid == "Keyboard";
+        return shouldBlockGameInput || (inputDeviceIsKeyboard ? shouldBlockKeyboardInput : shouldBlockControllerInput);
     }
 }
diff --git a/libultraship/libultraship/ControlDeck.h b/libultraship/libultraship/ControlDeck.h
index b72f8c3ce..2e330850c 100644
--- a/libultraship/libultraship/ControlDeck.h
+++ b/libultraship/libultraship/ControlDeck.h
@@ -22,7 +22,7 @@ namespace Ship {
 		uint8_t* GetControllerBits();
 		void BlockGameInput();
 		void UnblockGameInput();
-		bool ShouldBlockGameInput() const;
+		bool ShouldBlockGameInput(std::string inputDeviceGuid) const;
 	private:
 		std::vector<int32_t> virtualDevices = {};
 		std::vector<std::shared_ptr<Controller>> physicalDevices = {};