MainScreen/CwCheatScreen: Don't ask for keyboard input if the keyboard is "soft"

Fixes bug reported in the comments of #21637

UI/CwCheatScreen.cpp

@@ -49,6 +49,11 @@ CwCheatScreen::~CwCheatScreen() {
 	delete engine_;
 }
 
+bool CwCheatScreen::WantsTextInput() const {
+	// We don't want to pop a software keyboard on the cheat screen, just for type-to-search.
+	return !System_GetPropertyBool(SYSPROP_KEYBOARD_IS_SOFT);
+}
+
 bool CwCheatScreen::TryLoadCheatInfo() {
 	std::shared_ptr<GameInfo> info = g_gameInfoCache->GetInfo(nullptr, gamePath_, GameInfoFlags::PARAM_SFO);
 	std::string gameID;

UI/CwCheatScreen.h

@@ -50,7 +50,7 @@ public:
 
 	const char *tag() const override { return "CwCheat"; }
 
-	bool WantsTextInput() const override { return true; }
+	bool WantsTextInput() const override;
 
 protected:
 	void BeforeCreateViews() override;

UI/MainScreen.cpp

@@ -125,6 +125,12 @@ MainScreen::~MainScreen() {
 	g_BackgroundAudio.SetGame(Path());
 }
 
+bool MainScreen::WantsTextInput() const {
+	// We don't want to pop a software keyboard on the main screen, just for type-to-search.
+	return !System_GetPropertyBool(SYSPROP_KEYBOARD_IS_SOFT);
+}
+
+
 #if PPSSPP_PLATFORM(IOS)
 constexpr std::string_view getGamesUri = "https://www.ppsspp.org/getgames_ios";
 constexpr std::string_view getHomebrewUri = "https://www.ppsspp.org/gethomebrew_ios";

UI/MainScreen.h

@@ -52,7 +52,7 @@ public:
 
 	bool key(const KeyInput &touch) override;
 
-	bool WantsTextInput() const override { return true; }
+	bool WantsTextInput() const override;
 protected:
 	ViewLayoutMode LayoutMode() const override { return ViewLayoutMode::IgnoreBottomInset; }
 

UWP/PPSSPP_UWPMain.cpp

@@ -501,6 +501,10 @@ bool System_GetPropertyBool(SystemProperty prop) {
 		// I don't know any possible way to display input dialog in non-xaml apps
 		return isKeyboardAvailable() || isTouchAvailable();
 	}
+	case SYSPROP_KEYBOARD_IS_SOFT:
+	{
+		return IsXBox();
+	}
 	case SYSPROP_DEBUGGER_PRESENT:
 		return IsDebuggerPresent();
 	case SYSPROP_OK_BUTTON_LEFT: