Code/net/minecraft/client/gui/screens/telemetry/TelemetryInfoScreen.java

package net.minecraft.client.gui.screens.telemetry;

import javax.annotation.Nullable;
import net.minecraft.Util;
import net.minecraft.client.Minecraft;
import net.minecraft.client.OptionInstance;
import net.minecraft.client.Options;
import net.minecraft.client.gui.components.AbstractWidget;
import net.minecraft.client.gui.components.Button;
import net.minecraft.client.gui.components.Checkbox;
import net.minecraft.client.gui.components.MultiLineTextWidget;
import net.minecraft.client.gui.components.StringWidget;
import net.minecraft.client.gui.components.events.GuiEventListener;
import net.minecraft.client.gui.layouts.HeaderAndFooterLayout;
import net.minecraft.client.gui.layouts.LinearLayout;
import net.minecraft.client.gui.screens.ConfirmLinkScreen;
import net.minecraft.client.gui.screens.Screen;
import net.minecraft.network.chat.CommonComponents;
import net.minecraft.network.chat.Component;
import net.minecraft.util.CommonLinks;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class TelemetryInfoScreen extends Screen {
    private static final Component TITLE = Component.translatable("telemetry_info.screen.title");
    private static final Component DESCRIPTION = Component.translatable("telemetry_info.screen.description").withColor(-4539718);
    private static final Component BUTTON_PRIVACY_STATEMENT = Component.translatable("telemetry_info.button.privacy_statement");
    private static final Component BUTTON_GIVE_FEEDBACK = Component.translatable("telemetry_info.button.give_feedback");
    private static final Component BUTTON_VIEW_DATA = Component.translatable("telemetry_info.button.show_data");
    private static final Component CHECKBOX_OPT_IN = Component.translatable("telemetry_info.opt_in.description");
    private static final int SPACING = 8;
    private static final boolean EXTRA_TELEMETRY_AVAILABLE = Minecraft.getInstance().extraTelemetryAvailable();
    private final Screen lastScreen;
    private final Options options;
    private final HeaderAndFooterLayout layout = new HeaderAndFooterLayout(
        this, 16 + 9 * 5 + 20, EXTRA_TELEMETRY_AVAILABLE ? 33 + Checkbox.getBoxSize(Minecraft.getInstance().font) : 33
    );
    @Nullable
    private TelemetryEventWidget telemetryEventWidget;
    @Nullable
    private MultiLineTextWidget description;
    private double savedScroll;

    public TelemetryInfoScreen(Screen p_261720_, Options p_262019_) {
        super(TITLE);
        this.lastScreen = p_261720_;
        this.options = p_262019_;
    }

    @Override
    public Component getNarrationMessage() {
        return CommonComponents.joinForNarration(super.getNarrationMessage(), DESCRIPTION);
    }

    @Override
    protected void init() {
        LinearLayout linearlayout = this.layout.addToHeader(LinearLayout.vertical().spacing(4));
        linearlayout.defaultCellSetting().alignHorizontallyCenter();
        linearlayout.addChild(new StringWidget(TITLE, this.font));
        this.description = linearlayout.addChild(new MultiLineTextWidget(DESCRIPTION, this.font).setCentered(true));
        LinearLayout linearlayout1 = linearlayout.addChild(LinearLayout.horizontal().spacing(8));
        linearlayout1.addChild(Button.builder(BUTTON_PRIVACY_STATEMENT, this::openPrivacyStatementLink).build());
        linearlayout1.addChild(Button.builder(BUTTON_GIVE_FEEDBACK, this::openFeedbackLink).build());
        LinearLayout linearlayout2 = this.layout.addToFooter(LinearLayout.vertical().spacing(4));
        if (EXTRA_TELEMETRY_AVAILABLE) {
            linearlayout2.addChild(this.createTelemetryCheckbox());
        }

        LinearLayout linearlayout3 = linearlayout2.addChild(LinearLayout.horizontal().spacing(8));
        linearlayout3.addChild(Button.builder(BUTTON_VIEW_DATA, this::openDataFolder).build());
        linearlayout3.addChild(Button.builder(CommonComponents.GUI_DONE, p_325413_ -> this.onClose()).build());
        LinearLayout linearlayout4 = this.layout.addToContents(LinearLayout.vertical().spacing(8));
        this.telemetryEventWidget = linearlayout4.addChild(new TelemetryEventWidget(0, 0, this.width - 40, this.layout.getContentHeight(), this.font));
        this.telemetryEventWidget.setOnScrolledListener(p_262168_ -> this.savedScroll = p_262168_);
        this.layout.visitWidgets(p_325415_ -> {
            AbstractWidget abstractwidget = this.addRenderableWidget(p_325415_);
        });
        this.repositionElements();
    }

    @Override
    protected void repositionElements() {
        if (this.telemetryEventWidget != null) {
            this.telemetryEventWidget.setScrollAmount(this.savedScroll);
            this.telemetryEventWidget.setWidth(this.width - 40);
            this.telemetryEventWidget.setHeight(this.layout.getContentHeight());
            this.telemetryEventWidget.updateLayout();
        }

        if (this.description != null) {
            this.description.setMaxWidth(this.width - 16);
        }

        this.layout.arrangeElements();
    }

    @Override
    protected void setInitialFocus() {
        if (this.telemetryEventWidget != null) {
            this.setInitialFocus(this.telemetryEventWidget);
        }
    }

    private AbstractWidget createTelemetryCheckbox() {
        OptionInstance<Boolean> optioninstance = this.options.telemetryOptInExtra();
        return Checkbox.builder(CHECKBOX_OPT_IN, this.font).selected(optioninstance).onValueChange(this::onOptInChanged).build();
    }

    private void onOptInChanged(AbstractWidget p_312236_, boolean p_309488_) {
        if (this.telemetryEventWidget != null) {
            this.telemetryEventWidget.onOptInChanged(p_309488_);
        }
    }

    private void openPrivacyStatementLink(Button p_297730_) {
        ConfirmLinkScreen.confirmLinkNow(this, CommonLinks.PRIVACY_STATEMENT);
    }

    private void openFeedbackLink(Button p_261531_) {
        ConfirmLinkScreen.confirmLinkNow(this, CommonLinks.RELEASE_FEEDBACK);
    }

    private void openDataFolder(Button p_261840_) {
        Util.getPlatform().openPath(this.minecraft.getTelemetryManager().getLogDirectory());
    }

    @Override
    public void onClose() {
        this.minecraft.setScreen(this.lastScreen);
    }
}