From 75c7862e7804883ff360d54862d91155c0e9d2f8 Mon Sep 17 00:00:00 2001
From: mezz <tehgeek@gmail.com>
Date: Sat, 22 Nov 2014 17:44:54 -0800
Subject: [PATCH] Add GuiScreenEvents for keyboard and mouse input

---
 .../minecraft/client/gui/GuiScreen.java.patch | 20 ++++++
 .../gui/inventory/GuiContainer.java.patch     | 17 +++++
 .../client/event/GuiScreenEvent.java          | 66 +++++++++++++++++++
 3 files changed, 103 insertions(+)

diff --git a/patches/minecraft/net/minecraft/client/gui/GuiScreen.java.patch b/patches/minecraft/net/minecraft/client/gui/GuiScreen.java.patch
index 986a5b8f10..120578ecfc 100644
--- a/patches/minecraft/net/minecraft/client/gui/GuiScreen.java.patch
+++ b/patches/minecraft/net/minecraft/client/gui/GuiScreen.java.patch
@@ -84,3 +84,23 @@
      }
  
      public void func_73866_w_() {}
+@@ -246,7 +265,9 @@
+         {
+             while (Mouse.next())
+             {
++                if (MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.MouseInputEvent.Pre(this))) continue;
+                 this.func_146274_d();
++                if (this.equals(this.field_146297_k.field_71462_r)) MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.MouseInputEvent.Post(this));
+             }
+         }
+ 
+@@ -254,7 +275,9 @@
+         {
+             while (Keyboard.next())
+             {
++                if (MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.KeyboardInputEvent.Pre(this))) continue;
+                 this.func_146282_l();
++                if (this.equals(this.field_146297_k.field_71462_r)) MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.KeyboardInputEvent.Post(this));
+             }
+         }
+     }
diff --git a/patches/minecraft/net/minecraft/client/gui/inventory/GuiContainer.java.patch b/patches/minecraft/net/minecraft/client/gui/inventory/GuiContainer.java.patch
index 955cd8412d..c21ff7d64b 100644
--- a/patches/minecraft/net/minecraft/client/gui/inventory/GuiContainer.java.patch
+++ b/patches/minecraft/net/minecraft/client/gui/inventory/GuiContainer.java.patch
@@ -53,3 +53,20 @@
          Slot slot = this.func_146975_c(p_146286_1_, p_146286_2_);
          int l = this.field_147003_i;
          int i1 = this.field_147009_r;
+@@ -691,4 +702,16 @@
+             this.field_146297_k.field_71439_g.func_71053_j();
+         }
+     }
++
++    /* ======================================== FORGE START =====================================*/
++
++    /**
++     * Returns the slot that is currently displayed under the mouse.
++     */
++    public Slot getSlotUnderMouse()
++    {
++        return this.field_147006_u;
++    }
++
++    /* ======================================== FORGE END   =====================================*/
+ }
diff --git a/src/main/java/net/minecraftforge/client/event/GuiScreenEvent.java b/src/main/java/net/minecraftforge/client/event/GuiScreenEvent.java
index fc7a78fb8d..7e7e9d3956 100644
--- a/src/main/java/net/minecraftforge/client/event/GuiScreenEvent.java
+++ b/src/main/java/net/minecraftforge/client/event/GuiScreenEvent.java
@@ -176,4 +176,70 @@ public class GuiScreenEvent extends Event
             }
         }
     }
+
+    public static class MouseInputEvent extends GuiScreenEvent
+    {
+        public MouseInputEvent(GuiScreen gui)
+        {
+            super(gui);
+        }
+
+        /**
+         * This event fires when mouse input is detected by a GuiScreen.
+         * Cancel this event to bypass {@code GuiScreen.handleMouseInput()}.
+         */
+        @Cancelable
+        public static class Pre extends MouseInputEvent
+        {
+            public Pre(GuiScreen gui)
+            {
+                super(gui);
+            }
+        }
+
+        /**
+         * This event fires after {@code GuiScreen.handleMouseInput()} provided that the active
+         * screen has not been changed as a result of {@code GuiScreen.handleMouseInput()}.
+         */
+        public static class Post extends MouseInputEvent
+        {
+            public Post(GuiScreen gui)
+            {
+                super(gui);
+            }
+        }
+    }
+
+    public static class KeyboardInputEvent extends GuiScreenEvent
+    {
+        public KeyboardInputEvent(GuiScreen gui)
+        {
+            super(gui);
+        }
+
+        /**
+         * This event fires when keyboard input is detected by a GuiScreen.
+         * Cancel this event to bypass {@code GuiScreen.handleKeyboardInput()}.
+         */
+        @Cancelable
+        public static class Pre extends KeyboardInputEvent
+        {
+            public Pre(GuiScreen gui)
+            {
+                super(gui);
+            }
+        }
+
+        /**
+         * This event fires after {@code GuiScreen.handleKeyboardInput()} provided that the active
+         * screen has not been changed as a result of {@code GuiScreen.handleKeyboardInput()}.
+         */
+        public static class Post extends KeyboardInputEvent
+        {
+            public Post(GuiScreen gui)
+            {
+                super(gui);
+            }
+        }
+    }
 }