REVIEWED: SDL text input to Unicode codepoints #3650

REVIEWED: GLFW naming conventions to reflect codepoints reading

src/platforms/rcore_desktop.c

@@ -126,7 +126,7 @@ static void WindowDropCallback(GLFWwindow *window, int count, const char **paths
 
 // Input callbacks events
 static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods);  // GLFW3 Keyboard Callback, runs on key pressed
-static void CharCallback(GLFWwindow *window, unsigned int key);                            // GLFW3 Char Key Callback, runs on key pressed (get char value)
+static void CharCallback(GLFWwindow *window, unsigned int codepoint);                      // GLFW3 Char Callback, runs on key pressed (get codepoint value)
 static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods);     // GLFW3 Mouse Button Callback, runs on mouse button pressed
 static void MouseCursorPosCallback(GLFWwindow *window, double x, double y);                // GLFW3 Cursor Position Callback, runs on mouse move
 static void MouseScrollCallback(GLFWwindow *window, double xoffset, double yoffset);       // GLFW3 Scrolling Callback, runs on mouse wheel
@@ -1714,10 +1714,10 @@ static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, i
     if ((key == CORE.Input.Keyboard.exitKey) && (action == GLFW_PRESS)) glfwSetWindowShouldClose(platform.handle, GLFW_TRUE);
 }
 
-// GLFW3 Char Key Callback, runs on key down (gets equivalent unicode char value)
-static void CharCallback(GLFWwindow *window, unsigned int key)
+// GLFW3 Char Callback, get unicode codepoint value
+static void CharCallback(GLFWwindow *window, unsigned int codepoint)
 {
-    //TRACELOG(LOG_DEBUG, "Char Callback: KEY:%i(%c)", key, key);
+    //TRACELOG(LOG_DEBUG, "Char Callback: Codepoint: %i", codepoint);
 
     // NOTE: Registers any key down considering OS keyboard layout but
     // does not detect action events, those should be managed by user...
@@ -1728,7 +1728,7 @@ static void CharCallback(GLFWwindow *window, unsigned int key)
     if (CORE.Input.Keyboard.charPressedQueueCount < MAX_CHAR_PRESSED_QUEUE)
     {
         // Add character to the queue
-        CORE.Input.Keyboard.charPressedQueue[CORE.Input.Keyboard.charPressedQueueCount] = key;
+        CORE.Input.Keyboard.charPressedQueue[CORE.Input.Keyboard.charPressedQueueCount] = codepoint;
         CORE.Input.Keyboard.charPressedQueueCount++;
     }
 }

src/platforms/rcore_desktop_sdl.c

@@ -1111,19 +1111,23 @@ void PollInputEvents(void)
 
             case SDL_TEXTINPUT:
             {
+                // NOTE: event.text.text data comes an UTF-8 text sequence but we register codepoints (int)
+                
+                int codepointSize = 0;
+
                 // Check if there is space available in the key queue
                 if (CORE.Input.Keyboard.keyPressedQueueCount < MAX_KEY_PRESSED_QUEUE)
                 {
-                    // Add character to the queue
-                    CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = event.text.text[0];
+                    // Add character (key) to the queue
+                    CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = GetCodepointNext(event.text.text, &codepointSize);
                     CORE.Input.Keyboard.keyPressedQueueCount++;
                 }
 
                 // Check if there is space available in the queue
                 if (CORE.Input.Keyboard.charPressedQueueCount < MAX_CHAR_PRESSED_QUEUE)
                 {
-                    // Add character to the queue
-                    CORE.Input.Keyboard.charPressedQueue[CORE.Input.Keyboard.charPressedQueueCount] = event.text.text[0];
+                    // Add character (codepoint) to the queue
+                    CORE.Input.Keyboard.charPressedQueue[CORE.Input.Keyboard.charPressedQueueCount] = GetCodepointNext(event.text.text, &codepointSize);
                     CORE.Input.Keyboard.charPressedQueueCount++;
                 }
             } break;