Keep switch hit rect inside its row

src/input.c

@@ -1296,6 +1296,10 @@ bool iui_switch(iui_context *ctx,
     /* Expand touch target for accessibility (48dp minimum per MD3) */
     iui_rect_t touch_rect = track_rect;
     iui_expand_touch_target_h(&touch_rect, IUI_SWITCH_TOUCH_TARGET);
+    if (touch_rect.height > ctx->row_height) {
+        touch_rect.y = ctx->layout.y;
+        touch_rect.height = ctx->row_height;
+    }
 
     iui_state_t state = iui_get_component_state(ctx, touch_rect, false);
 

src/internal.h

@@ -507,8 +507,8 @@ static inline iui_vec2 iui_vec2_add(iui_vec2 a, iui_vec2 b)
 
 static inline bool in_rect(const iui_rect_t *rect, iui_vec2 pos)
 {
-    return ((pos.x >= rect->x) && (pos.x <= rect->x + rect->width) &&
-            (pos.y >= rect->y) && (pos.y <= rect->y + rect->height));
+    return ((pos.x >= rect->x) && (pos.x < rect->x + rect->width) &&
+            (pos.y >= rect->y) && (pos.y < rect->y + rect->height));
 }
 
 static inline void expand_rect(iui_rect_t *rect, float amount)

tests/test-tracking.c

@@ -520,9 +520,9 @@ static void test_focus_switch_between_fields(void)
     ASSERT_TRUE(iui_textfield_is_registered(ctx, buf2));
 
     /* Frame 2: Click on field 2 to transfer focus.
-     * Field 2 starts at ~96dp (after field 1), click at y=120.
+     * Field 2 is after field 1; click past ~96dp at y=119.
      */
-    iui_update_mouse_pos(ctx, 150.0f, 120.0f);
+    iui_update_mouse_pos(ctx, 150.0f, 119.0f);
     iui_update_mouse_buttons(ctx, IUI_MOUSE_LEFT, 0);
     iui_begin_frame(ctx, 1.0f / 60.0f);
     iui_begin_window(ctx, "Test", 0, 0, 300, 300, 0);