ObjectSelectionList.java

net.minecraft.client.gui.components.ObjectSelectionList

信息

• 全限定名：net.minecraft.client.gui.components.ObjectSelectionList
• 类型：public abstract class
• 包：net.minecraft.client.gui.components
• 源码路径：src/main/java/net/minecraft/client/gui/components/ObjectSelectionList.java
• 起始行号：L16
• 继承：AbstractSelectionList
• 职责：

  TODO

字段/常量

• USAGE_NARRATION
  • 类型: Component
  • 修饰符: private static final
  • 源码定位: L17
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.client.gui.components.ObjectSelectionList.Entry
  • 类型: class
  • 修饰符: public abstract static
  • 源码定位: L68
  • 说明:

    TODO

构造器

public ObjectSelectionList(Minecraft minecraft, int width, int height, int y, int itemHeight) @ L19

• 构造器名：ObjectSelectionList
• 源码定位：L19
• 修饰符：public

参数:

• minecraft: Minecraft
• width: int
• height: int
• y: int
• itemHeight: int

说明:

TODO

方法

下面的方法块按源码顺序生成。

public ComponentPath nextFocusPath(FocusNavigationEvent navigationEvent) @ L23

• 方法名：nextFocusPath
• 源码定位：L23
• 返回类型：ComponentPath
• 修饰符：public

参数:

• navigationEvent: FocusNavigationEvent

说明:

TODO

public void updateWidgetNarration(NarrationElementOutput output) @ L48

• 方法名：updateWidgetNarration
• 源码定位：L48
• 返回类型：void
• 修饰符：public

参数:

• output: NarrationElementOutput

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public abstract class ObjectSelectionList<E extends ObjectSelectionList.Entry<E>> extends AbstractSelectionList<E> {
    private static final Component USAGE_NARRATION = Component.translatable("narration.selection.usage");
 
    public ObjectSelectionList(Minecraft minecraft, int width, int height, int y, int itemHeight) {
        super(minecraft, width, height, y, itemHeight);
    }
 
    @Override
    public @Nullable ComponentPath nextFocusPath(FocusNavigationEvent navigationEvent) {
        if (this.getItemCount() == 0) {
            return null;
        } else if (this.isFocused() && navigationEvent instanceof FocusNavigationEvent.ArrowNavigation arrowNavigation) {
            E entry = this.nextEntry(arrowNavigation.direction());
            if (entry != null) {
                return ComponentPath.path(this, ComponentPath.leaf(entry));
            } else {
                this.setFocused(null);
                this.setSelected(null);
                return null;
            }
        } else if (!this.isFocused()) {
            E entry = this.getSelected();
            if (entry == null) {
                entry = this.nextEntry(navigationEvent.getVerticalDirectionForInitialFocus());
            }
 
            return entry == null ? null : ComponentPath.path(this, ComponentPath.leaf(entry));
        } else {
            return null;
        }
    }
 
    @Override
    public void updateWidgetNarration(NarrationElementOutput output) {
        E hovered = this.getHovered();
        if (hovered != null) {
            this.narrateListElementPosition(output.nest(), hovered);
            hovered.updateNarration(output);
        } else {
            E selected = this.getSelected();
            if (selected != null) {
                this.narrateListElementPosition(output.nest(), selected);
                selected.updateNarration(output);
            }
        }
 
        if (this.isFocused()) {
            output.add(NarratedElementType.USAGE, USAGE_NARRATION);
        }
    }
 
    @OnlyIn(Dist.CLIENT)
    public abstract static class Entry<E extends ObjectSelectionList.Entry<E>> extends AbstractSelectionList.Entry<E> implements NarrationSupplier {
        public abstract Component getNarration();
 
        @Override
        public boolean mouseClicked(MouseButtonEvent event, boolean doubleClick) {
            return true;
        }
 
        @Override
        public void updateNarration(NarrationElementOutput output) {
            output.add(NarratedElementType.TITLE, this.getNarration());
        }
    }
}

引用的其他类

• Minecraft

  • 引用位置: 参数

• ComponentPath

  • 引用位置: 方法调用/返回值
  • 关联成员: ComponentPath.leaf(), ComponentPath.path()

• AbstractSelectionList

  • 引用位置: 继承

• NarrationElementOutput

  • 引用位置: 参数

• FocusNavigationEvent

  • 引用位置: 参数

• Component

  • 引用位置: 字段/方法调用
  • 关联成员: Component.translatable()