Added support for additional mouse buttons

examples/core/core_input_mouse.c

@@ -36,6 +36,10 @@ int main(void)
         if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) ballColor = MAROON;
         else if (IsMouseButtonPressed(MOUSE_MIDDLE_BUTTON)) ballColor = LIME;
         else if (IsMouseButtonPressed(MOUSE_RIGHT_BUTTON)) ballColor = DARKBLUE;
+        else if (IsMouseButtonPressed(MOUSE_SIDE_BUTTON)) ballColor = PURPLE;
+        else if (IsMouseButtonPressed(MOUSE_EXTRA_BUTTON)) ballColor = YELLOW;
+        else if (IsMouseButtonPressed(MOUSE_FORWARD_BUTTON)) ballColor = ORANGE;
+        else if (IsMouseButtonPressed(MOUSE_BACK_BUTTON)) ballColor = BEIGE;
         //----------------------------------------------------------------------------------
 
         // Draw

src/core.c

@@ -438,12 +438,12 @@ typedef struct CoreData {
             bool cursorHidden;              // Track if cursor is hidden
             bool cursorOnScreen;            // Tracks if cursor is inside client area
 
-            char currentButtonState[3];     // Registers current mouse button state
+            char currentButtonState[MOUSE_BUTTON_MAX];     // Registers current mouse button state
-            char previousButtonState[3];    // Registers previous mouse button state
+            char previousButtonState[MOUSE_BUTTON_MAX];    // Registers previous mouse button state
             float currentWheelMove;         // Registers current mouse wheel variation
             float previousWheelMove;        // Registers previous mouse wheel variation
 #if defined(PLATFORM_RPI) || defined(PLATFORM_DRM)
-            char currentButtonStateEvdev[3];    // Holds the new mouse state for the next polling event to grab (Can't be written directly due to multithreading, app could miss the update)
+            char currentButtonStateEvdev[MOUSE_BUTTON_MAX];    // Holds the new mouse state for the next polling event to grab (Can't be written directly due to multithreading, app could miss the update)
 #endif
         } Mouse;
         struct {
@@ -6104,6 +6104,10 @@ static void *EventThread(void *arg)
 
                 if (event.code == BTN_RIGHT) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_RIGHT_BUTTON] = event.value;
                 if (event.code == BTN_MIDDLE) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_MIDDLE_BUTTON] = event.value;
+                if (event.code == BTN_SIDE) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_SIDE_BUTTON] = event.value;
+                if (event.code == BTN_EXTRA) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_EXTRA_BUTTON] = event.value;
+                if (event.code == BTN_FORWARD) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_FORWARD_BUTTON] = event.value;
+                if (event.code == BTN_BACK) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BACK_BUTTON] = event.value;
             }
 
             // Screen confinement

src/raylib.h

@@ -641,7 +641,12 @@ typedef enum {
 typedef enum {
     MOUSE_LEFT_BUTTON    = 0,
     MOUSE_RIGHT_BUTTON   = 1,
-    MOUSE_MIDDLE_BUTTON = 2
+    MOUSE_MIDDLE_BUTTON  = 2,
+    MOUSE_SIDE_BUTTON    = 3,
+    MOUSE_EXTRA_BUTTON   = 4,
+    MOUSE_FORWARD_BUTTON = 5,
+    MOUSE_BACK_BUTTON    = 6,
+    MOUSE_BUTTON_MAX     = 7
 } MouseButton;
 
 // Mouse cursor