From c2f931eefcdcf988b6e8732a82c15d7cfd958edd Mon Sep 17 00:00:00 2001
From: GaLicn <133291877+GaLicn@users.noreply.github.com>
Date: Sat, 6 Sep 2025 22:33:33 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A7=BD=E4=BD=8D=E6=B8=B2=E6=9F=93=E5=B8=83?=
 =?UTF-8?q?=E5=B1=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../client/gui/PageLayoutContext.java         | 36 +++++++++++++++++++
 .../client/gui/GuiExPatternProviderMixin.java | 30 ++++++++++++++++
 .../resources/extendedae_plus.mixins.json     |  1 +
 3 files changed, 67 insertions(+)
 create mode 100644 src/main/java/com/extendedae_plus/client/gui/PageLayoutContext.java

diff --git a/src/main/java/com/extendedae_plus/client/gui/PageLayoutContext.java b/src/main/java/com/extendedae_plus/client/gui/PageLayoutContext.java
new file mode 100644
index 0000000..7cf88f0
--- /dev/null
+++ b/src/main/java/com/extendedae_plus/client/gui/PageLayoutContext.java
@@ -0,0 +1,36 @@
+package com.extendedae_plus.client.gui;
+
+public final class PageLayoutContext {
+    private static final ThreadLocal<Boolean> ACTIVE = ThreadLocal.withInitial(() -> false);
+    private static final ThreadLocal<Integer> CURRENT_PAGE = ThreadLocal.withInitial(() -> 0);
+
+    private PageLayoutContext() {}
+
+    public static void enable(int page) {
+        ACTIVE.set(true);
+        CURRENT_PAGE.set(page);
+    }
+
+    public static void disable() {
+        ACTIVE.set(false);
+    }
+
+    public static boolean isActive() {
+        Boolean b = ACTIVE.get();
+        return b != null && b;
+    }
+
+    public static int getCurrentPage() {
+        Integer i = CURRENT_PAGE.get();
+        return i != null ? i : 0;
+    }
+
+    public static void withPage(int page, Runnable action) {
+        enable(page);
+        try {
+            action.run();
+        } finally {
+            disable();
+        }
+    }
+}
diff --git a/src/main/java/com/extendedae_plus/mixin/extendedae/client/gui/GuiExPatternProviderMixin.java b/src/main/java/com/extendedae_plus/mixin/extendedae/client/gui/GuiExPatternProviderMixin.java
index 028fcb9..5c1f520 100644
--- a/src/main/java/com/extendedae_plus/mixin/extendedae/client/gui/GuiExPatternProviderMixin.java
+++ b/src/main/java/com/extendedae_plus/mixin/extendedae/client/gui/GuiExPatternProviderMixin.java
@@ -4,8 +4,10 @@ import appeng.client.gui.Icon;
 import appeng.client.gui.implementations.PatternProviderScreen;
 import appeng.client.gui.style.ScreenStyle;
 import appeng.menu.SlotSemantics;
+import appeng.menu.slot.AppEngSlot;
 import com.extendedae_plus.NewIcon;
 import com.extendedae_plus.api.ExPatternButtonsAccessor;
+import com.extendedae_plus.api.ExPatternPageAccessor;
 import com.extendedae_plus.config.ModConfigs;
 import com.glodblock.github.extendedae.client.button.ActionEPPButton;
 import com.glodblock.github.extendedae.client.gui.GuiExPatternProvider;
@@ -162,6 +164,8 @@ public abstract class GuiExPatternProviderMixin extends PatternProviderScreen<Co
                 this.repositionSlots(SlotSemantics.ENCODED_PATTERN);
                 this.repositionSlots(SlotSemantics.STORAGE);
                 this.hoveredSlot = null;
+                // 更新当前页可见状态
+                eap$updatePageSlotActivity();
             }, Icon.ARROW_LEFT);
 
             this.nextPage = new ActionEPPButton((b) -> {
@@ -189,6 +193,8 @@ public abstract class GuiExPatternProviderMixin extends PatternProviderScreen<Co
                 this.repositionSlots(SlotSemantics.ENCODED_PATTERN);
                 this.repositionSlots(SlotSemantics.STORAGE);
                 this.hoveredSlot = null;
+                // 更新当前页可见状态
+                eap$updatePageSlotActivity();
             }, Icon.ARROW_RIGHT);
 
             // 恢复到 AE2 左侧工具栏
@@ -361,9 +367,33 @@ public abstract class GuiExPatternProviderMixin extends PatternProviderScreen<Co
             this.x10Button.setX(bx);
             this.x10Button.setY(by + spacing * 5);
         }
+
+        // 每帧确保当前页槽位处于启用状态，非当前页禁用
+        eap$updatePageSlotActivity();
     }
 
     // 本文件原包含本地样板缩放实现（单机模式）和 ExtendedAE 网络派发，已移除以兼容 1.21.1 与最小可构建集。
     
 
+    @Unique
+    private void eap$updatePageSlotActivity() {
+        try {
+            if (!(((Object) this) instanceof GuiExPatternProvider)) return;
+            var list = this.getMenu().getSlots(SlotSemantics.ENCODED_PATTERN);
+            if (list == null || list.isEmpty()) return;
+
+            int currentPage = getCurrentPage();
+            int base = currentPage * SLOTS_PER_PAGE;
+            int end = Math.min(list.size(), base + SLOTS_PER_PAGE);
+
+            for (int i = 0; i < list.size(); i++) {
+                var slot = list.get(i);
+                if (slot instanceof AppEngSlot s) {
+                    boolean enabled = i >= base && i < end;
+                    s.setActive(enabled);
+                }
+            }
+        } catch (Throwable ignored) {}
+    }
+
 }
\ No newline at end of file
diff --git a/src/main/resources/extendedae_plus.mixins.json b/src/main/resources/extendedae_plus.mixins.json
index fd56479..1255c8c 100644
--- a/src/main/resources/extendedae_plus.mixins.json
+++ b/src/main/resources/extendedae_plus.mixins.json
@@ -27,6 +27,7 @@
     "ae2.client.gui.AEBaseScreenMixin",
     "ae2.client.gui.PatternEncodingTermScreenMixin",
     "ae2.client.gui.PatternProviderScreenMixin",
+    "ae2.client.gui.SlotGridLayoutMixin",
     "jei.EncodePatternTransferHandlerMixin",
     "jei.AE2JeiEncodePatternTransferHandlerMixin",
     "ae2.accessor.AEBaseScreenAccessor",