Multiple controllers: Select active controller and set default controller (#3169)

* initial commit - not cleanup yet, not usable with imGUI

* Ugly solution to working with ImGUI

* Populate the default controller labels

* Add remove default button

* missing tr calls

* edit imgui flag after updating

* Refactor

* Update sirit

src/input/controller.cpp

@@ -8,6 +8,8 @@
 #include "core/libraries/pad/pad.h"
 #include "input/controller.h"
 
+static std::string SelectedGamepad = "";
+
 namespace Input {
 
 using Libraries::Pad::OrbisPadButtonDataOffset;
@@ -324,3 +326,48 @@ u32 GameController::Poll() {
 }
 
 } // namespace Input
+
+namespace GamepadSelect {
+
+int GetDefaultGamepad(SDL_JoystickID* gamepadIDs, int gamepadCount) {
+    char GUIDbuf[33];
+    if (Config::getDefaultControllerID() != "") {
+        for (int i = 0; i < gamepadCount; i++) {
+            SDL_GUIDToString(SDL_GetGamepadGUIDForID(gamepadIDs[i]), GUIDbuf, 33);
+            std::string currentGUID = std::string(GUIDbuf);
+            if (currentGUID == Config::getDefaultControllerID()) {
+                return i;
+            }
+        }
+    }
+    return -1;
+}
+
+int GetIndexfromGUID(SDL_JoystickID* gamepadIDs, int gamepadCount, std::string GUID) {
+    char GUIDbuf[33];
+    for (int i = 0; i < gamepadCount; i++) {
+        SDL_GUIDToString(SDL_GetGamepadGUIDForID(gamepadIDs[i]), GUIDbuf, 33);
+        std::string currentGUID = std::string(GUIDbuf);
+        if (currentGUID == GUID) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+std::string GetGUIDString(SDL_JoystickID* gamepadIDs, int index) {
+    char GUIDbuf[33];
+    SDL_GUIDToString(SDL_GetGamepadGUIDForID(gamepadIDs[index]), GUIDbuf, 33);
+    std::string GUID = std::string(GUIDbuf);
+    return GUID;
+}
+
+std::string GetSelectedGamepad() {
+    return SelectedGamepad;
+}
+
+void SetSelectedGamepad(std::string GUID) {
+    SelectedGamepad = GUID;
+}
+
+} // namespace GamepadSelect