TabButton.java

net.minecraft.client.gui.components.TabButton

信息

• 全限定名：net.minecraft.client.gui.components.TabButton
• 类型：public class
• 包：net.minecraft.client.gui.components
• 源码路径：src/main/java/net/minecraft/client/gui/components/TabButton.java
• 起始行号：L20
• 继承：AbstractWidget.WithInactiveMessage
• 职责：

  TODO

字段/常量

• SPRITES

  • 类型: WidgetSprites
  • 修饰符: private static final
  • 源码定位: L21
  • 说明:

    TODO

• SELECTED_OFFSET

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L27
  • 说明:

    TODO

• TEXT_MARGIN

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L28
  • 说明:

    TODO

• UNDERLINE_HEIGHT

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L29
  • 说明:

    TODO

• UNDERLINE_MARGIN_X

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L30
  • 说明:

    TODO

• UNDERLINE_MARGIN_BOTTOM

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L31
  • 说明:

    TODO

• tabManager

  • 类型: TabManager
  • 修饰符: private final
  • 源码定位: L32
  • 说明:

    TODO

• tab

  • 类型: Tab
  • 修饰符: private final
  • 源码定位: L33
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

public TabButton(TabManager tabManager, Tab tab, int width, int height) @ L35

• 构造器名：TabButton
• 源码定位：L35
• 修饰符：public

参数:

• tabManager: TabManager
• tab: Tab
• width: int
• height: int

说明:

TODO

方法

下面的方法块按源码顺序生成。

public void extractWidgetRenderState(GuiGraphicsExtractor graphics, int mouseX, int mouseY, float a) @ L41

• 方法名：extractWidgetRenderState
• 源码定位：L41
• 返回类型：void
• 修饰符：public

参数:

• graphics: GuiGraphicsExtractor
• mouseX: int
• mouseY: int
• a: float

说明:

TODO

protected void extractMenuBackground(GuiGraphicsExtractor graphics, int x0, int y0, int x1, int y1) @ L57

• 方法名：extractMenuBackground
• 源码定位：L57
• 返回类型：void
• 修饰符：protected

参数:

• graphics: GuiGraphicsExtractor
• x0: int
• y0: int
• x1: int
• y1: int

说明:

TODO

private void extractLabel(ActiveTextCollector output) @ L61

• 方法名：extractLabel
• 源码定位：L61
• 返回类型：void
• 修饰符：private

参数:

• output: ActiveTextCollector

说明:

TODO

private void extractFocusUnderline(GuiGraphicsExtractor graphics, Font font, int color) @ L69

• 方法名：extractFocusUnderline
• 源码定位：L69
• 返回类型：void
• 修饰符：private

参数:

• graphics: GuiGraphicsExtractor
• font: Font
• color: int

说明:

TODO

protected void updateWidgetNarration(NarrationElementOutput output) @ L76

• 方法名：updateWidgetNarration
• 源码定位：L76
• 返回类型：void
• 修饰符：protected

参数:

• output: NarrationElementOutput

说明:

TODO

public void playDownSound(SoundManager soundManager) @ L82

• 方法名：playDownSound
• 源码定位：L82
• 返回类型：void
• 修饰符：public

参数:

• soundManager: SoundManager

说明:

TODO

public Tab tab() @ L86

• 方法名：tab
• 源码定位：L86
• 返回类型：Tab
• 修饰符：public

参数:

• 无

说明:

TODO

public boolean isSelected() @ L90

• 方法名：isSelected
• 源码定位：L90
• 返回类型：boolean
• 修饰符：public

参数:

• 无

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class TabButton extends AbstractWidget.WithInactiveMessage {
    private static final WidgetSprites SPRITES = new WidgetSprites(
        Identifier.withDefaultNamespace("widget/tab_selected"),
        Identifier.withDefaultNamespace("widget/tab"),
        Identifier.withDefaultNamespace("widget/tab_selected_highlighted"),
        Identifier.withDefaultNamespace("widget/tab_highlighted")
    );
    private static final int SELECTED_OFFSET = 3;
    private static final int TEXT_MARGIN = 1;
    private static final int UNDERLINE_HEIGHT = 1;
    private static final int UNDERLINE_MARGIN_X = 4;
    private static final int UNDERLINE_MARGIN_BOTTOM = 2;
    private final TabManager tabManager;
    private final Tab tab;
 
    public TabButton(TabManager tabManager, Tab tab, int width, int height) {
        super(0, 0, width, height, tab.getTabTitle());
        this.tabManager = tabManager;
        this.tab = tab;
    }
 
    @Override
    public void extractWidgetRenderState(GuiGraphicsExtractor graphics, int mouseX, int mouseY, float a) {
        graphics.blitSprite(
            RenderPipelines.GUI_TEXTURED, SPRITES.get(this.isSelected(), this.isHoveredOrFocused()), this.getX(), this.getY(), this.width, this.height
        );
        Font font = Minecraft.getInstance().font;
        int underlineColor = this.active ? -1 : -6250336;
        if (this.isSelected()) {
            this.extractMenuBackground(graphics, this.getX() + 2, this.getY() + 2, this.getRight() - 2, this.getBottom());
            this.extractFocusUnderline(graphics, font, underlineColor);
        }
 
        this.extractLabel(graphics.textRendererForWidget(this, GuiGraphicsExtractor.HoveredTextEffects.NONE));
        this.handleCursor(graphics);
    }
 
    protected void extractMenuBackground(GuiGraphicsExtractor graphics, int x0, int y0, int x1, int y1) {
        Screen.extractMenuBackgroundTexture(graphics, Screen.MENU_BACKGROUND, x0, y0, 0.0F, 0.0F, x1 - x0, y1 - y0);
    }
 
    private void extractLabel(ActiveTextCollector output) {
        int left = this.getX() + 1;
        int top = this.getY() + (this.isSelected() ? 0 : 3);
        int right = this.getX() + this.getWidth() - 1;
        int bottom = this.getY() + this.getHeight();
        output.acceptScrollingWithDefaultCenter(this.getMessage(), left, right, top, bottom);
    }
 
    private void extractFocusUnderline(GuiGraphicsExtractor graphics, Font font, int color) {
        int width = Math.min(font.width(this.getMessage()), this.getWidth() - 4);
        int left = this.getX() + (this.getWidth() - width) / 2;
        int top = this.getY() + this.getHeight() - 2;
        graphics.fill(left, top, left + width, top + 1, color);
    }
 
    @Override
    protected void updateWidgetNarration(NarrationElementOutput output) {
        output.add(NarratedElementType.TITLE, Component.translatable("gui.narrate.tab", this.tab.getTabTitle()));
        output.add(NarratedElementType.HINT, this.tab.getTabExtraNarration());
    }
 
    @Override
    public void playDownSound(SoundManager soundManager) {
    }
 
    public Tab tab() {
        return this.tab;
    }
 
    public boolean isSelected() {
        return this.tabManager.getCurrentTab() == this.tab;
    }
}

引用的其他类

• Minecraft

  • 引用位置: 方法调用
  • 关联成员: Minecraft.getInstance()

• ActiveTextCollector

  • 引用位置: 参数

• Font

  • 引用位置: 参数

• GuiGraphicsExtractor

  • 引用位置: 参数

• AbstractWidget

  • 引用位置: 继承

• WidgetSprites

  • 引用位置: 字段/构造调用
  • 关联成员: WidgetSprites()

• Tab

  • 引用位置: 参数/字段/返回值

• TabManager

  • 引用位置: 参数/字段

• NarrationElementOutput

  • 引用位置: 参数

• Screen

  • 引用位置: 方法调用
  • 关联成员: Screen.extractMenuBackgroundTexture()

• SoundManager

  • 引用位置: 参数

• Component

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

• Identifier

  • 引用位置: 方法调用
  • 关联成员: Identifier.withDefaultNamespace()