Add support for binding a key to toggle the Travellers Belt toolbar in inventories

This adds support for swapping the toolbar in inventories. For now, no key is assigned by default, so one must be added from the NEI options for this to take effect.

src/main/java/tconstruct/plugins/nei/BeltToggleFromGuiInputHandler.java

@@ -0,0 +1,67 @@
+package tconstruct.plugins.nei;
+
+import codechicken.nei.NEIClientConfig;
+import codechicken.nei.api.API;
+import codechicken.nei.guihook.GuiContainerManager;
+import codechicken.nei.guihook.IContainerInputHandler;
+import net.minecraft.client.gui.inventory.GuiContainer;
+import tconstruct.client.ArmorControls;
+
+public class BeltToggleFromGuiInputHandler implements IContainerInputHandler {
+
+    static final String KEY_IDENTIFIER = "gui.tinkers_belt";
+    public static void init() {
+        API.addKeyBind(KEY_IDENTIFIER, 0);
+        GuiContainerManager.addInputHandler((IContainerInputHandler)new BeltToggleFromGuiInputHandler());
+    }
+
+    @Override
+    public boolean keyTyped(GuiContainer guiContainer, char c, int i) {
+        final int keyBinding = NEIClientConfig.getKeyBinding(KEY_IDENTIFIER);
+        if (i != keyBinding) {
+            return false;
+        }
+
+        return ArmorControls.doBeltSwapIfPossible();
+    }
+
+    @Override
+    public void onKeyTyped(GuiContainer guiContainer, char c, int i) {
+
+    }
+
+    @Override
+    public boolean lastKeyTyped(GuiContainer guiContainer, char c, int i) {
+        return false;
+    }
+
+    @Override
+    public boolean mouseClicked(GuiContainer guiContainer, int i, int i1, int i2) {
+        return false;
+    }
+
+    @Override
+    public void onMouseClicked(GuiContainer guiContainer, int i, int i1, int i2) {
+
+    }
+
+    @Override
+    public void onMouseUp(GuiContainer guiContainer, int i, int i1, int i2) {
+
+    }
+
+    @Override
+    public boolean mouseScrolled(GuiContainer guiContainer, int i, int i1, int i2) {
+        return false;
+    }
+
+    @Override
+    public void onMouseScrolled(GuiContainer guiContainer, int i, int i1, int i2) {
+
+    }
+
+    @Override
+    public void onMouseDragged(GuiContainer guiContainer, int i, int i1, int i2, long l) {
+
+    }
+}

src/main/java/tconstruct/plugins/nei/NEITConstructConfig.java

@@ -19,6 +19,8 @@ public class NEITConstructConfig implements IConfigureNEI
         registerHandler(new RecipeHandlerAlloying());
         registerHandler(new RecipeHandlerCastingTable());
         registerHandler(new RecipeHandlerCastingBasin());
+
+        BeltToggleFromGuiInputHandler.init();
     }
 
     @Override