fixed mouse utils

Author: emyfops

common/src/main/kotlin/com/lambda/newgui/LambdaScreen.kt

@@ -98,12 +98,12 @@ class LambdaScreen(
     }
 
     override fun mouseClicked(mouseX: Double, mouseY: Double, button: Int): Boolean {
-        layout.onEvent(GuiEvent.MouseClick(Mouse.Button(button), Mouse.Action.Click, rescaleMouse(mouseX, mouseY)))
+        layout.onEvent(GuiEvent.MouseClick(Mouse.Button.fromMouseCode(button), Mouse.Action.Click, rescaleMouse(mouseX, mouseY)))
         return true
     }
 
     override fun mouseReleased(mouseX: Double, mouseY: Double, button: Int): Boolean {
-        layout.onEvent(GuiEvent.MouseClick(Mouse.Button(button), Mouse.Action.Release, rescaleMouse(mouseX, mouseY)))
+        layout.onEvent(GuiEvent.MouseClick(Mouse.Button.fromMouseCode(button), Mouse.Action.Release, rescaleMouse(mouseX, mouseY)))
         return true
     }
 

common/src/main/kotlin/com/lambda/util/Mouse.kt

@@ -17,7 +17,16 @@
 
 package com.lambda.util
 
+import com.lambda.Lambda.mc
+import com.mojang.blaze3d.systems.RenderSystem
 import org.lwjgl.glfw.GLFW
+import org.lwjgl.glfw.GLFW.GLFW_ARROW_CURSOR
+import org.lwjgl.glfw.GLFW.GLFW_POINTING_HAND_CURSOR
+import org.lwjgl.glfw.GLFW.GLFW_RESIZE_EW_CURSOR
+import org.lwjgl.glfw.GLFW.GLFW_RESIZE_NS_CURSOR
+import org.lwjgl.glfw.GLFW.GLFW_RESIZE_NWSE_CURSOR
+import org.lwjgl.glfw.GLFW.glfwCreateStandardCursor
+import org.lwjgl.glfw.GLFW.glfwSetCursor
 import kotlin.jvm.Throws
 
 class Mouse {
@@ -64,4 +73,41 @@ class Mouse {
                 nameMap[name.lowercase()] ?: throw IllegalArgumentException("Action name '$name' not found in nameMap.")
         }
     }
+
+    enum class Cursor(private val getCursorPointer: () -> Long) {
+        Arrow(::arrow),
+        Pointer(::pointer),
+        ResizeH(::resizeH), ResizeV(::resizeV), ResizeHV(::resizeHV);
+
+        fun set() {
+            if (lastCursor == this) return
+            lastCursor = this
+
+            RenderSystem.assertOnRenderThread()
+            glfwSetCursor(mc.window.handle, getCursorPointer())
+        }
+    }
+
+    class CursorController {
+        private var lastSetCursor: Cursor? = null
+
+        fun setCursor(cursor: Cursor) {
+            // We're doing this to let other controllers be able to set the cursor when this one doesn't change
+            if (lastSetCursor == cursor && cursor == Cursor.Arrow) return
+
+            cursor.set()
+            lastSetCursor = cursor
+        }
+
+        fun reset() = setCursor(Cursor.Arrow)
+    }
+
+    companion object {
+        private val arrow by lazy { glfwCreateStandardCursor(GLFW_ARROW_CURSOR) }
+        private val pointer by lazy { glfwCreateStandardCursor(GLFW_POINTING_HAND_CURSOR) }
+        private val resizeH by lazy { glfwCreateStandardCursor(GLFW_RESIZE_EW_CURSOR) }
+        private val resizeV by lazy { glfwCreateStandardCursor(GLFW_RESIZE_NS_CURSOR) }
+        private val resizeHV by lazy { glfwCreateStandardCursor(GLFW_RESIZE_NWSE_CURSOR) }
+        var lastCursor = Cursor.Arrow
+    }
 }