joystick: Add capability flags for rumble and trigger rumble

When API limitations force us to guess, we favor a false positive (reporting
support when it doesn't exist) compared to a false negative.

src/joystick/hidapi/SDL_hidapi_gamecube.c

@@ -467,7 +467,23 @@ HIDAPI_DriverGameCube_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joys
 static Uint32
 HIDAPI_DriverGameCube_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
 {
-    return 0;
+    SDL_DriverGameCube_Context *ctx = (SDL_DriverGameCube_Context *)device->context;
+    Uint32 result = 0;
+
+    if (!ctx->pc_mode) {
+        Uint8 i;
+
+        for (i = 0; i < MAX_CONTROLLERS; i += 1) {
+            if (joystick->instance_id == ctx->joysticks[i]) {
+                if (!ctx->wireless[i] && ctx->rumbleAllowed[i]) {
+                    result |= SDL_JOYCAP_RUMBLE;
+                    break;
+                }
+            }
+        }
+    }
+
+    return result;
 }
 
 static int

src/joystick/hidapi/SDL_hidapi_luna.c

@@ -135,7 +135,13 @@ HIDAPI_DriverLuna_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick
 static Uint32
 HIDAPI_DriverLuna_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
 {
-    return 0;
+    Uint32 result = 0;
+
+    if (device->product_id == BLUETOOTH_PRODUCT_LUNA_CONTROLLER) {
+        result |= SDL_JOYCAP_RUMBLE;
+    }
+
+    return result;
 }
 
 static int

src/joystick/hidapi/SDL_hidapi_ps4.c

@@ -601,7 +601,14 @@ HIDAPI_DriverPS4_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick
 static Uint32
 HIDAPI_DriverPS4_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
 {
-    return SDL_JOYCAP_LED;
+    SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)device->context;
+    Uint32 result = 0;
+
+    if (ctx->enhanced_mode && ctx->effects_supported) {
+        result |= SDL_JOYCAP_LED | SDL_JOYCAP_RUMBLE;
+    }
+
+    return result;
 }
 
 static int

src/joystick/hidapi/SDL_hidapi_ps5.c

@@ -666,7 +666,14 @@ HIDAPI_DriverPS5_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick
 static Uint32
 HIDAPI_DriverPS5_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
 {
-    return SDL_JOYCAP_LED;
+    SDL_DriverPS5_Context *ctx = (SDL_DriverPS5_Context *)device->context;
+    Uint32 result = 0;
+
+    if (ctx->enhanced_mode) {
+        result |= SDL_JOYCAP_LED | SDL_JOYCAP_RUMBLE;
+    }
+
+    return result;
 }
 
 static int

src/joystick/hidapi/SDL_hidapi_stadia.c

@@ -129,7 +129,7 @@ HIDAPI_DriverStadia_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joysti
 static Uint32
 HIDAPI_DriverStadia_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
 {
-    return 0;
+    return SDL_JOYCAP_RUMBLE;
 }
 
 static int

src/joystick/hidapi/SDL_hidapi_switch.c

@@ -1109,8 +1109,15 @@ HIDAPI_DriverSwitch_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joysti
 static Uint32
 HIDAPI_DriverSwitch_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
 {
-    /* Doesn't have an RGB LED, so don't return SDL_JOYCAP_LED here */
-    return 0;
+    SDL_DriverSwitch_Context *ctx = (SDL_DriverSwitch_Context *)device->context;
+    Uint32 result = 0;
+
+    if (!ctx->m_bInputOnly) {
+        /* Doesn't have an RGB LED, so don't return SDL_JOYCAP_LED here */
+        result |= SDL_JOYCAP_RUMBLE;
+    }
+
+    return result;
 }
 
 static int

src/joystick/hidapi/SDL_hidapi_xbox360.c

@@ -207,7 +207,7 @@ static Uint32
 HIDAPI_DriverXbox360_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
 {
     /* Doesn't have an RGB LED, so don't return SDL_JOYCAP_LED here */
-    return 0;
+    return SDL_JOYCAP_RUMBLE;
 }
 
 static int

src/joystick/hidapi/SDL_hidapi_xbox360w.c

@@ -177,7 +177,7 @@ static Uint32
 HIDAPI_DriverXbox360W_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
 {
     /* Doesn't have an RGB LED, so don't return SDL_JOYCAP_LED here */
-    return 0;
+    return SDL_JOYCAP_RUMBLE;
 }
 
 static int

src/joystick/hidapi/SDL_hidapi_xboxone.c

@@ -428,6 +428,11 @@ HIDAPI_DriverXboxOne_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joys
     SDL_DriverXboxOne_Context *ctx = (SDL_DriverXboxOne_Context *)device->context;
     Uint32 result = 0;
 
+    result |= SDL_JOYCAP_RUMBLE;
+    if (ctx->has_trigger_rumble) {
+        result |= SDL_JOYCAP_RUMBLE_TRIGGERS;
+    }
+
     if (ctx->has_color_led) {
         result |= SDL_JOYCAP_LED;
     }