84 lines
2.8 KiB
Java
84 lines
2.8 KiB
Java
package net.minecraft.client.gui.components;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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import net.minecraft.client.Minecraft;
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import net.minecraft.client.gui.ComponentPath;
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import net.minecraft.client.gui.narration.NarratedElementType;
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import net.minecraft.client.gui.narration.NarrationElementOutput;
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import net.minecraft.client.gui.narration.NarrationSupplier;
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import net.minecraft.client.gui.navigation.FocusNavigationEvent;
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import net.minecraft.network.chat.Component;
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import org.jetbrains.annotations.Nullable;
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@Environment(EnvType.CLIENT)
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public abstract class ObjectSelectionList<E extends ObjectSelectionList.Entry<E>> extends AbstractSelectionList<E> {
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private static final Component USAGE_NARRATION = Component.translatable("narration.selection.usage");
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public ObjectSelectionList(Minecraft minecraft, int i, int j, int k, int l) {
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super(minecraft, i, j, k, l);
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}
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public ObjectSelectionList(Minecraft minecraft, int i, int j, int k, int l, int m) {
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super(minecraft, i, j, k, l, m);
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}
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@Nullable
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@Override
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public ComponentPath nextFocusPath(FocusNavigationEvent event) {
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if (this.getItemCount() == 0) {
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return null;
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} else if (this.isFocused() && event instanceof FocusNavigationEvent.ArrowNavigation arrowNavigation) {
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E entry = this.nextEntry(arrowNavigation.direction());
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if (entry != null) {
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return ComponentPath.path(this, ComponentPath.leaf(entry));
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} else {
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this.setSelected(null);
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return null;
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}
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} else if (!this.isFocused()) {
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E entry2 = this.getSelected();
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if (entry2 == null) {
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entry2 = this.nextEntry(event.getVerticalDirectionForInitialFocus());
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}
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return entry2 == null ? null : ComponentPath.path(this, ComponentPath.leaf(entry2));
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} else {
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return null;
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}
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}
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@Override
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public void updateWidgetNarration(NarrationElementOutput narrationElementOutput) {
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E entry = this.getHovered();
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if (entry != null) {
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this.narrateListElementPosition(narrationElementOutput.nest(), entry);
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entry.updateNarration(narrationElementOutput);
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} else {
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E entry2 = this.getSelected();
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if (entry2 != null) {
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this.narrateListElementPosition(narrationElementOutput.nest(), entry2);
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entry2.updateNarration(narrationElementOutput);
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}
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}
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if (this.isFocused()) {
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narrationElementOutput.add(NarratedElementType.USAGE, USAGE_NARRATION);
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}
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}
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@Environment(EnvType.CLIENT)
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public abstract static class Entry<E extends ObjectSelectionList.Entry<E>> extends AbstractSelectionList.Entry<E> implements NarrationSupplier {
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public abstract Component getNarration();
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@Override
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public boolean mouseClicked(double mouseX, double mouseY, int button) {
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return true;
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}
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@Override
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public void updateNarration(NarrationElementOutput narrationElementOutput) {
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narrationElementOutput.add(NarratedElementType.TITLE, this.getNarration());
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}
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}
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}
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