initial Controller Button Prompt detection support

port/include/glyph.h

@@ -0,0 +1,90 @@
+#ifndef _IN_GLYPH_H
+#define _IN_GLYPH_H
+
+#include <SDL.h>
+
+// Controller Icon enumeration for button icon detection
+typedef enum {
+	CONTROLLER_ICON_GENERIC,
+	CONTROLLER_ICON_XBOX360,
+	CONTROLLER_ICON_XBOXONE,
+	CONTROLLER_ICON_PS3,
+	CONTROLLER_ICON_PS4,
+	CONTROLLER_ICON_PS5,
+	CONTROLLER_ICON_NINTENDO_SWITCH,
+	CONTROLLER_ICON_NINTENDO_64,
+	CONTROLLER_ICON_STEAM_CONTROLLER,
+	CONTROLLER_ICON_STEAM_DECK,
+} ControllerIconType;
+
+// Valve Corporation VID/PID definitions
+#define VALVE_VENDOR_ID 0x28de
+
+// Steam Controller product IDs
+#define STEAM_CONTROLLER_LEGACY_PID     0x1101  // Valve Legacy Steam Controller (CHELL)
+#define STEAM_CONTROLLER_WIRED_PID      0x1102  // Valve wired Steam Controller (D0G)
+#define STEAM_CONTROLLER_BT_1_PID       0x1105  // Valve Bluetooth Steam Controller (D0G)
+#define STEAM_CONTROLLER_BT_2_PID       0x1106  // Valve Bluetooth Steam Controller (D0G)
+#define STEAM_CONTROLLER_WIRELESS_PID   0x1142  // Valve wireless Steam Controller
+#define STEAM_CONTROLLER_V2_WIRED_PID   0x1201  // Valve wired Steam Controller (HEADCRAB)
+#define STEAM_CONTROLLER_V2_BT_PID      0x1202  // Valve Bluetooth Steam Controller (HEADCRAB)
+
+// Other Valve product IDs
+#define STEAM_VIRTUAL_GAMEPAD_PID       0x11ff  // Steam Virtual Gamepad
+#define STEAM_DECK_BUILTIN_PID          0x1205  // Valve Steam Deck Builtin
+
+// Check if a product ID is any Steam Controller (2015) variant
+static inline int isSteamControllerPID(unsigned short productId) {
+	return (productId == STEAM_CONTROLLER_LEGACY_PID ||
+	        productId == STEAM_CONTROLLER_WIRED_PID ||
+	        productId == STEAM_CONTROLLER_BT_1_PID ||
+	        productId == STEAM_CONTROLLER_BT_2_PID ||
+	        productId == STEAM_CONTROLLER_WIRELESS_PID ||
+	        productId == STEAM_CONTROLLER_V2_WIRED_PID ||
+	        productId == STEAM_CONTROLLER_V2_BT_PID);
+}
+
+// Steam Virtual Gamepad detection 
+static inline int getSteamVirtualControllerDetection(SDL_GameController* ctrl, int SDLControllerType) {
+	if (!ctrl) {
+		return SDLControllerType;
+	}
+
+	if (SDL_GameControllerGetVendor(ctrl) != VALVE_VENDOR_ID) {
+		return SDLControllerType;
+	}
+
+	unsigned short product = SDL_GameControllerGetProduct(ctrl);
+
+	// Steam Virtual Gamepad - pass through the underlying controller type
+	if (product == STEAM_VIRTUAL_GAMEPAD_PID) {
+		return SDLControllerType;
+	}
+
+	// Steam Deck
+	if (product == STEAM_DECK_BUILTIN_PID) {
+		return CONTROLLER_ICON_STEAM_DECK;
+	}
+
+	// Steam Controller (2015)
+	if (isSteamControllerPID(product)) {
+		return CONTROLLER_ICON_STEAM_CONTROLLER;
+	}
+
+	return SDLControllerType;
+}
+
+// Generic button names for glyphs 
+// this will cover generalized button names for glyphs based on SDL_GamepadButton
+extern const char *vkJoyDisplayNames[];
+
+// Controller-specific button glyphs
+// this will grab the button glyphs based on the controller type and button index
+const char *glyphGetControllerButtonName(int controllerType, int buttonIndex);
+
+// Dynamic glyph input binding detection
+// TODO: replace all baked-in button localization text with a dynamic glyph system
+char* glyphInputBindingDetect(char* text, int textSize, const char* placeholder,
+                                       int controllerIndex, int controlKey, int forceController);
+
+#endif

port/include/input.h

@@ -121,6 +121,21 @@ enum mouselockmode {
 	MLOCK_AUTO = 2
 };
 
+enum buttonpromptmode {
+	GLYPH_AUTO = -1,
+	GLYPH_GENERIC = 0,
+	GLYPH_INTERNAL = 1,
+	GLYPH_XBOX360 = 2,
+	GLYPH_XBOXONE = 3,
+	GLYPH_PS3 = 4,
+	GLYPH_PS4 = 5,
+	GLYPH_PS5 = 6,
+	GLYPH_NINTENDO_SWITCH = 7,
+	GLYPH_NINTENDO_64 = 8,
+	GLYPH_STEAM_CONTROLLER = 9,
+	GLYPH_STEAM_DECK = 10,
+};
+
 // returns bitmask of connected controllers or -1 if failed
 s32 inputInit(void);
 
@@ -193,6 +208,9 @@ s32 inputGetKeyByName(const char *name);
 // get human-readable name from VK_ value
 const char *inputGetKeyName(s32 vk);
 
+// get human-readable controller button display name from VK_ value
+const char *inputGetButtonDisplayName(s32 vk);
+
 // get CK_ value from human-readable name
 s32 inputGetContKeyByName(const char *name);
 
@@ -249,6 +267,10 @@ s32 inputGetLastKey(void);
 s32 inputGetMouseLockMode(void);
 void inputSetMouseLockMode(s32 lockmode);
 
+// get/set button prompt override
+s32 inputGetButtonPromptOverride(s32 cidx);
+void inputSetButtonPromptOverride(s32 cidx, s32 override);
+
 // same as inputLockMouse but works only if mouse is enabled and lockmode == MLOCK_AUTO
 s32 inputAutoLockMouse(s32 wantlock);