From f589441cbfaa5fdfb64a9972e2bce1278e5a8940 Mon Sep 17 00:00:00 2001
From: Shulga Konstantin <mrkonstantinsh@gmail.com>
Date: Tue, 15 Sep 2020 22:47:14 +0300
Subject: [PATCH] feat: add the ability to move the sprite using the mouse
 wheel

---
 Lab_1/Lab_1/Lab_1.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/Lab_1/Lab_1/Lab_1.cpp b/Lab_1/Lab_1/Lab_1.cpp
index 35b10aa..78e2049 100644
--- a/Lab_1/Lab_1/Lab_1.cpp
+++ b/Lab_1/Lab_1/Lab_1.cpp
@@ -309,6 +309,34 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
             break;
         }
         break;
+    case WM_MOUSEWHEEL:
+        if (GET_KEYSTATE_WPARAM(wParam) == MK_SHIFT)
+        {
+            if (GET_WHEEL_DELTA_WPARAM(wParam) > 0)
+            {
+                spritePosition = CreateNewSpritePosition(spritePosition, CreateLeftSteps(), hWnd, sprite);
+                PostUpdateSpriteMessage(hWnd);
+            }
+            else
+            {
+                spritePosition = CreateNewSpritePosition(spritePosition, CreateRightSteps(), hWnd, sprite);
+                PostUpdateSpriteMessage(hWnd);
+            }
+        }
+        else
+        {
+            if (GET_WHEEL_DELTA_WPARAM(wParam) > 0)
+            {
+                spritePosition = CreateNewSpritePosition(spritePosition, CreateUpSteps(), hWnd, sprite);
+                PostUpdateSpriteMessage(hWnd);
+            }
+            else
+            {
+                spritePosition = CreateNewSpritePosition(spritePosition, CreateDownSteps(), hWnd, sprite);
+                PostUpdateSpriteMessage(hWnd);
+            }
+        }
+        break;
     case WM_SIZE:
         PostUpdateSpriteMessage(hWnd);
         return DefWindowProc(hWnd, message, wParam, lParam);