Dynamic keybinding screen for 1.6.4

legacy-fabric-keybindings-api-v1/1.6.4/src/main/java/net/legacyfabric/fabric/impl/client/keybinding/DynamicControlsOptionsScreen.java

@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2020 - 2024 Legacy Fabric
+ * Copyright (c) 2016 - 2022 FabricMC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.legacyfabric.fabric.impl.client.keybinding;
+
+import org.lwjgl.input.Mouse;
+
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.gui.widget.ButtonWidget;
+import net.minecraft.client.option.GameOptions;
+import net.minecraft.client.option.KeyBinding;
+import net.minecraft.client.render.Tessellator;
+import net.minecraft.client.resource.language.I18n;
+import net.minecraft.util.Formatting;
+
+public class DynamicControlsOptionsScreen extends Screen {
+	private Screen parent;
+	protected String title = "Controls";
+	private GameOptions options;
+	private OptimizedControlsListWidget listWidget;
+
+	public DynamicControlsOptionsScreen(Screen parent, GameOptions options) {
+		this.parent = parent;
+		this.options = options;
+	}
+
+	@Override
+	public void init() {
+		this.buttons.add(new ButtonWidget(200, this.width / 2 - 100, this.height / 6 + 168, I18n.method_5933("gui.done")));
+		this.title = I18n.method_5933("controls.title");
+		this.listWidget = new OptimizedControlsListWidget();
+	}
+
+	@Override
+	protected void buttonClicked(ButtonWidget button) {
+		if (button.active) {
+			if (button.id == 200) {
+				this.client.setScreen(this.parent);
+			} else {
+				this.listWidget.buttonClicked(button);
+			}
+		}
+	}
+
+	@Override
+	protected void keyPressed(char id, int code) {
+		if (!this.listWidget.keyPressed(code)) {
+			super.keyPressed(id, code);
+		}
+	}
+
+	@Override
+	protected void mouseClicked(int mouseX, int mouseY, int button) {
+		this.listWidget.mouseClicked(mouseX, mouseY, button);
+
+		if (!this.listWidget.keyPressed(-100 + button)) {
+			super.mouseClicked(mouseX, mouseY, button);
+		}
+	}
+
+	@Override
+	public void handleMouse() {
+		super.handleMouse();
+
+		if (!this.client.options.touchscreen) {
+			this.listWidget.mouseScrolled(Mouse.getEventDWheel());
+		}
+	}
+
+	@Override
+	public void render(int mouseX, int mouseY, float tickDelta) {
+		this.listWidget.render(mouseX, mouseY, tickDelta);
+		this.drawCenteredString(this.textRenderer, this.title, this.width / 2, 20, 16777215);
+
+		super.render(mouseX, mouseY, tickDelta);
+	}
+
+	public boolean keybindingConflict(int id) {
+		int code = this.options.allKeys[id].code;
+
+		for (int i = 0; i < this.options.allKeys.length; i++) {
+			KeyBinding key = this.options.allKeys[i];
+
+			if (i != id && key.code == code) return true;
+		}
+
+		return false;
+	}
+
+	public class OptimizedControlsListWidget extends OptimizedListWidget {
+		private int selected = -1;
+		private boolean initialClickDone = false;
+		public OptimizedControlsListWidget() {
+			super(DynamicControlsOptionsScreen.this.client, DynamicControlsOptionsScreen.this.width, DynamicControlsOptionsScreen.this.height, 32, DynamicControlsOptionsScreen.this.height - 65 + 4, 18);
+		}
+
+		@Override
+		protected int getEntryCount() {
+			return DynamicControlsOptionsScreen.this.options.allKeys.length;
+		}
+
+		@Override
+		protected void method_1057(int i, boolean bl) {
+			if (this.selected != i) {
+				this.selected = i;
+				this.initialClickDone = false;
+			}
+		}
+
+		@Override
+		protected boolean isEntrySelected(int index) {
+			return index == selected;
+		}
+
+		@Override
+		protected void renderBackground() {
+			DynamicControlsOptionsScreen.this.renderBackground();
+		}
+
+		@Override
+		protected void method_1055(int i, int j, int k, int l, Tessellator tessellator) {
+			DynamicControlsOptionsScreen.this.drawWithShadow(
+					DynamicControlsOptionsScreen.this.textRenderer,
+					DynamicControlsOptionsScreen.this.options.getLanguageFromId(i),
+					DynamicControlsOptionsScreen.this.width / 4, k + 1, 16777215
+			);
+
+			String keyString = DynamicControlsOptionsScreen.this.options.method_874(i);
+
+			if (i == selected) {
+				keyString = Formatting.WHITE + "> " + Formatting.YELLOW + "??? " + Formatting.WHITE + "<";
+			} else if (DynamicControlsOptionsScreen.this.keybindingConflict(i)) {
+				keyString = Formatting.RED + keyString;
+			}
+
+			DynamicControlsOptionsScreen.this.drawWithShadow(
+					DynamicControlsOptionsScreen.this.textRenderer,
+					keyString,
+					(DynamicControlsOptionsScreen.this.width / 3) * 2, k + 1, 16777215
+			);
+		}
+
+		protected boolean keyPressed(int code) {
+			if (selected >= 0) {
+				if (!this.initialClickDone) {
+					this.initialClickDone = true;
+				} else {
+					DynamicControlsOptionsScreen.this.options.method_867(this.selected, code);
+					this.selected = -1;
+					KeyBinding.updateKeysByCode();
+				}
+
+				return true;
+			}
+
+			return false;
+		}
+	}
+}