Window: add mouse scroll event

1 files changed, 15 insertions, 7 deletions

diff --git a/include/mgl/window/event.h b/include/mgl/window/event.h
index f6bf7fd..a0d3982 100644
--- a/include/mgl/window/event.h
+++ b/include/mgl/window/event.h
@@ -26,11 +26,6 @@ typedef struct {
     bool system;
 } mgl_key_event;
 
-typedef struct {
-    int x; /* relative to left of the window */
-    int y; /* relative to the top of the window */
-} mgl_mouse_move_event;
-
 typedef enum {
     MGL_BUTTON_UNKNOWN,
     MGL_BUTTON_LEFT,
@@ -42,10 +37,21 @@ typedef enum {
 
 typedef struct {
     int button; /* mgl_mouse_button */
-    int x; /* relative to left of the window */
-    int y; /* relative to top of the window */
+    int x; /* mouse position relative to left of the window */
+    int y; /* mouse position relative to top of the window */
 } mgl_mouse_button_event;
 
+typedef struct {
+    int delta; /* positive = up, negative = down */
+    int x; /* mouse position relative to left of the window */
+    int y; /* mouse position relative to left of the window */
+} mgl_mouse_wheel_scroll_event;
+
+typedef struct {
+    int x; /* relative to left of the window */
+    int y; /* relative to the top of the window */
+} mgl_mouse_move_event;
+
 typedef enum {
     MGL_EVENT_UNKNOWN,
     MGL_EVENT_CLOSED, /* Window closed */
@@ -57,6 +63,7 @@ typedef enum {
     MGL_EVENT_KEY_RELEASED,
     MGL_EVENT_MOUSE_BUTTON_PRESSED,
     MGL_EVENT_MOUSE_BUTTON_RELEASED,
+    MGL_EVENT_MOUSE_WHEEL_SCROLLED,
     MGL_EVENT_MOUSE_MOVED
 } mgl_event_type;
 
@@ -67,6 +74,7 @@ struct mgl_event {
         mgl_text_event text;
         mgl_key_event key;
         mgl_mouse_button_event mouse_button;
+        mgl_mouse_wheel_scroll_event mouse_wheel_scroll;
         mgl_mouse_move_event mouse_move;
     };
 };