Add GUI- and widget-level dark mode toggles

17 files changed, 113 insertions, 29 deletions

diff --git a/src/main/java/io/github/cottonmc/cotton/gui/GuiDescription.java b/src/main/java/io/github/cottonmc/cotton/gui/GuiDescription.java
index 6435651..6a7b06e 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/GuiDescription.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/GuiDescription.java
@@ -2,6 +2,7 @@ package io.github.cottonmc.cotton.gui;
 
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
+import net.fabricmc.fabric.api.util.TriState;
 import net.minecraft.screen.PropertyDelegate;
 
 import io.github.cottonmc.cotton.gui.widget.WPanel;
@@ -143,4 +144,19 @@ public interface GuiDescription {
 	 * @since 4.0.0
 	 */
 	void setTitlePos(Vec2i titlePos);
+
+	/**
+	 * Checks whether dark mode is used for this GUI description.
+	 *
+	 * @return <ul>
+	 *     <li>{@link TriState#TRUE} to force dark mode
+	 *     <li>{@link TriState#FALSE} to force light mode
+	 *     <li>{@link TriState#DEFAULT} to use the {@linkplain io.github.cottonmc.cotton.gui.client.LibGui#isDarkMode()
+	 *     global dark mode setting}
+	 * </ul>
+	 * @since 7.1.0
+	 */
+	default TriState isDarkMode() {
+		return TriState.DEFAULT;
+	}
 }
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/SyncedGuiDescription.java b/src/main/java/io/github/cottonmc/cotton/gui/SyncedGuiDescription.java
index 6e6a3cd..2abc643 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/SyncedGuiDescription.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/SyncedGuiDescription.java
@@ -99,7 +99,7 @@ public class SyncedGuiDescription extends ScreenHandler implements GuiDescriptio
 	}
 	
 	public int getTitleColor() {
-		return (world.isClient && LibGui.isDarkMode()) ? darkTitleColor : titleColor;
+		return (world.isClient && isDarkMode().orElse(LibGui.isDarkMode())) ? darkTitleColor : titleColor;
 	}
 	
 	public SyncedGuiDescription setRootPanel(WPanel panel) {
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/client/BackgroundPainter.java b/src/main/java/io/github/cottonmc/cotton/gui/client/BackgroundPainter.java
index 654442c..77b7268 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/client/BackgroundPainter.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/client/BackgroundPainter.java
@@ -143,7 +143,7 @@ public interface BackgroundPainter {
 
 	/**
 	 * Creates a background painter that uses either the {@code light} or the {@code dark} background painter
-	 * depending on the current setting.
+	 * depending on the {@linkplain WWidget#shouldRenderInDarkMode current setting}.
 	 *
 	 * @param light the light mode background painter
 	 * @param dark the dark mode background painter
@@ -152,7 +152,7 @@ public interface BackgroundPainter {
 	 */
 	public static BackgroundPainter createLightDarkVariants(BackgroundPainter light, BackgroundPainter dark) {
 		return (matrices, left, top, panel) -> {
-			if (LibGui.isDarkMode()) dark.paintBackground(matrices, left, top, panel);
+			if (panel.shouldRenderInDarkMode()) dark.paintBackground(matrices, left, top, panel);
 			else light.paintBackground(matrices, left, top, panel);
 		};
 	}
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/client/LightweightGuiDescription.java b/src/main/java/io/github/cottonmc/cotton/gui/client/LightweightGuiDescription.java
index 1c23da8..7a4714d 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/client/LightweightGuiDescription.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/client/LightweightGuiDescription.java
@@ -35,7 +35,7 @@ public class LightweightGuiDescription implements GuiDescription {
 
 	@Override
 	public int getTitleColor() {
-		return (LibGui.isDarkMode()) ? darkmodeTitleColor : titleColor;
+		return isDarkMode().orElse(LibGui.isDarkMode()) ? darkmodeTitleColor : titleColor;
 	}
 
 	@Override
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/impl/modmenu/WKirbSprite.java b/src/main/java/io/github/cottonmc/cotton/gui/impl/modmenu/WKirbSprite.java
index 9bed0d1..5d9473f 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/impl/modmenu/WKirbSprite.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/impl/modmenu/WKirbSprite.java
@@ -5,7 +5,6 @@ import net.fabricmc.api.Environment;
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.util.Identifier;
 
-import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
 import io.github.cottonmc.cotton.gui.impl.LibGuiCommon;
 import io.github.cottonmc.cotton.gui.widget.WWidget;
@@ -31,7 +30,7 @@ public class WKirbSprite extends WWidget {
 	private long lastFrame;
 
 	public WKirbSprite() {
-		state = (LibGui.isDarkMode()) ? State.ASLEEP : State.AWAKE;
+		state = (shouldRenderInDarkMode()) ? State.ASLEEP : State.AWAKE;
 	}
 
 	public void schedule(int[] frames) {
@@ -59,7 +58,7 @@ public class WKirbSprite extends WWidget {
 		long now = System.nanoTime() / 1_000_000L;
 
 		if (pendingFrames.isEmpty()) {
-			if (LibGui.isDarkMode()) {
+			if (shouldRenderInDarkMode()) {
 				state = switch (state) {
 					case AWAKE -> State.FALLING_ASLEEP;
 					case FALLING_ASLEEP -> State.ASLEEP;
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WButton.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WButton.java
index de212fb..d865452 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WButton.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WButton.java
@@ -12,7 +12,6 @@ import net.minecraft.sound.SoundEvents;
 import net.minecraft.text.Text;
 import net.minecraft.util.Identifier;
 
-import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
 import io.github.cottonmc.cotton.gui.impl.client.NarrationMessages;
 import io.github.cottonmc.cotton.gui.widget.data.HorizontalAlignment;
@@ -108,7 +107,7 @@ public class WButton extends WWidget {
 		
 		float buttonEndLeft = (200-(getWidth()/2)) * px;
 
-		Identifier texture = getTexture();
+		Identifier texture = getTexture(this);
 		ScreenDrawing.texturedRect(matrices, x, y, getWidth()/2, 20, texture, buttonLeft, buttonTop, buttonLeft+buttonWidth, buttonTop+buttonHeight, 0xFFFFFFFF);
 		ScreenDrawing.texturedRect(matrices, x+(getWidth()/2), y, getWidth()/2, 20, texture, buttonEndLeft, buttonTop, 200*px, buttonTop+buttonHeight, 0xFFFFFFFF);
 
@@ -269,7 +268,7 @@ public class WButton extends WWidget {
 	}
 
 	@Environment(EnvType.CLIENT)
-	static Identifier getTexture() {
-		return LibGui.isDarkMode() ? DARK_WIDGETS_LOCATION : ClickableWidget.WIDGETS_TEXTURE;
+	static Identifier getTexture(WWidget widget) {
+		return widget.shouldRenderInDarkMode() ? DARK_WIDGETS_LOCATION : ClickableWidget.WIDGETS_TEXTURE;
 	}
 }
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WDynamicLabel.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WDynamicLabel.java
index 6099022..0b81a59 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WDynamicLabel.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WDynamicLabel.java
@@ -4,7 +4,6 @@ import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
 import net.minecraft.client.util.math.MatrixStack;
 
-import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
 import io.github.cottonmc.cotton.gui.widget.data.HorizontalAlignment;
 
@@ -40,7 +39,7 @@ public class WDynamicLabel extends WWidget {
 	@Override
 	public void paint(MatrixStack matrices, int x, int y, int mouseX, int mouseY) {
 		String tr = text.get();
-		ScreenDrawing.drawString(matrices, tr, alignment, x, y, this.getWidth(), LibGui.isDarkMode() ? darkmodeColor : color);
+		ScreenDrawing.drawString(matrices, tr, alignment, x, y, this.getWidth(), shouldRenderInDarkMode() ? darkmodeColor : color);
 	}
 
 	@Override
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WLabel.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WLabel.java
index 752d919..f340717 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WLabel.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WLabel.java
@@ -11,7 +11,6 @@ import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.text.Style;
 import net.minecraft.text.Text;
 
-import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
 import io.github.cottonmc.cotton.gui.impl.client.LibGuiConfig;
 import io.github.cottonmc.cotton.gui.widget.data.HorizontalAlignment;
@@ -72,7 +71,7 @@ public class WLabel extends WWidget {
 			case TOP -> 0;
 		};
 
-		ScreenDrawing.drawString(matrices, text.asOrderedText(), horizontalAlignment, x, y + yOffset, this.getWidth(), LibGui.isDarkMode() ? darkmodeColor : color);
+		ScreenDrawing.drawString(matrices, text.asOrderedText(), horizontalAlignment, x, y + yOffset, this.getWidth(), shouldRenderInDarkMode() ? darkmodeColor : color);
 
 		Style hoveredTextStyle = getTextStyleAt(mouseX, mouseY);
 		ScreenDrawing.drawTextHover(matrices, hoveredTextStyle, x + mouseX, y + mouseY);
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WLabeledSlider.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WLabeledSlider.java
index c750036..59adde7 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WLabeledSlider.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WLabeledSlider.java
@@ -210,7 +210,7 @@ public class WLabeledSlider extends WAbstractSlider {
 		float buttonHeight = 20 * px;
 		float buttonEndLeft = (200 - halfWidth) * px;
 
-		Identifier texture = WButton.getTexture();
+		Identifier texture = WButton.getTexture(this);
 		ScreenDrawing.texturedRect(matrices, x, y, halfWidth, 20, texture, buttonLeft, buttonTop, buttonLeft + buttonWidth, buttonTop + buttonHeight, 0xFFFFFFFF);
 		ScreenDrawing.texturedRect(matrices, x + halfWidth, y, halfWidth, 20, texture, buttonEndLeft, buttonTop, 200 * px, buttonTop + buttonHeight, 0xFFFFFFFF);
 	}
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WScrollBar.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WScrollBar.java
index 4e2ddb4..aab0db8 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WScrollBar.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WScrollBar.java
@@ -6,7 +6,6 @@ import net.minecraft.client.gui.screen.narration.NarrationMessageBuilder;
 import net.minecraft.client.gui.screen.narration.NarrationPart;
 import net.minecraft.client.util.math.MatrixStack;
 
-import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
 import io.github.cottonmc.cotton.gui.impl.client.NarrationMessages;
 import io.github.cottonmc.cotton.gui.widget.data.Axis;
@@ -42,7 +41,9 @@ public class WScrollBar extends WWidget {
 	@Environment(EnvType.CLIENT)
 	@Override
 	public void paint(MatrixStack matrices, int x, int y, int mouseX, int mouseY) {
-		if (LibGui.isDarkMode()) {
+		boolean darkMode = shouldRenderInDarkMode();
+
+		if (darkMode) {
 			ScreenDrawing.drawBeveledPanel(matrices, x, y, width, height, 0xFF_212121, 0xFF_2F2F2F, 0xFF_5D5D5D);
 		} else {
 			ScreenDrawing.drawBeveledPanel(matrices, x, y, width, height, 0xFF_373737, 0xFF_8B8B8B, 0xFF_FFFFFF);
@@ -53,7 +54,7 @@ public class WScrollBar extends WWidget {
 		int top, middle, bottom;
 
 		if (sliding) {
-			if (LibGui.isDarkMode()) {
+			if (darkMode) {
 				top = 0xFF_6C6C6C;
 				middle = 0xFF_2F2F2F;
 				bottom = 0xFF_212121;
@@ -63,7 +64,7 @@ public class WScrollBar extends WWidget {
 				bottom = 0xFF_555555;
 			}
 		} else if (isWithinBounds(mouseX, mouseY)) {
-			if (LibGui.isDarkMode()) {
+			if (darkMode) {
 				top = 0xFF_5F6A9D;
 				middle = 0xFF_323F6E;
 				bottom = 0xFF_0B204A;
@@ -73,7 +74,7 @@ public class WScrollBar extends WWidget {
 				bottom = 0xFF_343E75;
 			}
 		} else {
-			if (LibGui.isDarkMode()) {
+			if (darkMode) {
 				top = 0xFF_6C6C6C;
 				middle = 0xFF_414141;
 				bottom = 0xFF_212121;
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WSlider.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WSlider.java
index 4765199..f0ad49d 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WSlider.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WSlider.java
@@ -6,7 +6,6 @@ import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.util.Identifier;
 
 import io.github.cottonmc.cotton.gui.client.BackgroundPainter;
-import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
 import io.github.cottonmc.cotton.gui.impl.LibGuiCommon;
 import io.github.cottonmc.cotton.gui.widget.data.Axis;
@@ -58,7 +57,7 @@ public class WSlider extends WAbstractSlider {
 			int thumbX, thumbY;
 			// thumbXOffset: thumb texture x offset in pixels
 			int thumbXOffset;
-			Identifier texture = LibGui.isDarkMode() ? DARK_TEXTURE : LIGHT_TEXTURE;
+			Identifier texture = shouldRenderInDarkMode() ? DARK_TEXTURE : LIGHT_TEXTURE;
 
 			if (axis == Axis.VERTICAL) {
 				int trackX = x + width / 2 - TRACK_WIDTH / 2;
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WTabPanel.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WTabPanel.java
index 1104929..729c6dd 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WTabPanel.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WTabPanel.java
@@ -13,7 +13,6 @@ import net.minecraft.text.Text;
 import net.minecraft.util.Identifier;
 
 import io.github.cottonmc.cotton.gui.client.BackgroundPainter;
-import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
 import io.github.cottonmc.cotton.gui.impl.LibGuiCommon;
 import io.github.cottonmc.cotton.gui.impl.client.NarrationMessages;
@@ -404,7 +403,7 @@ public class WTabPanel extends WPanel {
 				HorizontalAlignment align = (icon != null) ? HorizontalAlignment.LEFT : HorizontalAlignment.CENTER;
 
 				int color;
-				if (LibGui.isDarkMode()) {
+				if (shouldRenderInDarkMode()) {
 					color = WLabel.DEFAULT_DARKMODE_TEXT_COLOR;
 				} else {
 					color = selected ? WLabel.DEFAULT_TEXT_COLOR : 0xEEEEEE;
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WText.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WText.java
index 8a4f03e..a38ce74 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WText.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WText.java
@@ -11,7 +11,6 @@ import net.minecraft.text.OrderedText;
 import net.minecraft.text.Style;
 import net.minecraft.text.Text;
 
-import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
 import io.github.cottonmc.cotton.gui.widget.data.HorizontalAlignment;
 import io.github.cottonmc.cotton.gui.widget.data.InputResult;
@@ -102,7 +101,7 @@ public class WText extends WWidget {
 
 		for (int i = 0; i < wrappedLines.size(); i++) {
 			OrderedText line = wrappedLines.get(i);
-			int c = LibGui.isDarkMode() ? darkmodeColor : color;
+			int c = shouldRenderInDarkMode() ? darkmodeColor : color;
 
 			ScreenDrawing.drawString(matrices, line, horizontalAlignment, x, y + yOffset + i * font.fontHeight, width, c);
 		}
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WToggleButton.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WToggleButton.java
index 47f013e..3ad8cd6 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WToggleButton.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WToggleButton.java
@@ -11,7 +11,6 @@ import net.minecraft.sound.SoundEvents;
 import net.minecraft.text.Text;
 import net.minecraft.util.Identifier;
 
-import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
 import io.github.cottonmc.cotton.gui.impl.LibGuiCommon;
 import io.github.cottonmc.cotton.gui.impl.client.NarrationMessages;
@@ -112,7 +111,7 @@ public class WToggleButton extends WWidget {
 		}
 
 		if (label!=null) {
-			ScreenDrawing.drawString(matrices, label.asOrderedText(), x + 22, y+6, LibGui.isDarkMode() ? darkmodeColor : color);
+			ScreenDrawing.drawString(matrices, label.asOrderedText(), x + 22, y+6, shouldRenderInDarkMode() ? darkmodeColor : color);
 		}
 	}
 	
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WWidget.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WWidget.java
index a240cd6..f008310 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WWidget.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WWidget.java
@@ -8,6 +8,7 @@ import net.minecraft.client.gui.screen.narration.NarrationMessageBuilder;
 import net.minecraft.client.util.math.MatrixStack;
 
 import io.github.cottonmc.cotton.gui.GuiDescription;
+import io.github.cottonmc.cotton.gui.client.LibGui;
 import io.github.cottonmc.cotton.gui.impl.VisualLogger;
 import io.github.cottonmc.cotton.gui.widget.data.InputResult;
 import io.github.cottonmc.cotton.gui.widget.data.ObservableProperty;
@@ -569,4 +570,27 @@ public class WWidget {
 	public static boolean isActivationKey(int ch) {
 		return ch == GLFW.GLFW_KEY_ENTER || ch == GLFW.GLFW_KEY_KP_ENTER || ch == GLFW.GLFW_KEY_SPACE;
 	}
+
+	/**
+	 * Checks if this widget should be rendered in dark mode.
+	 *
+	 * <p>If the widget has a host that {@linkplain GuiDescription#isDarkMode() forces dark mode},
+	 * the forced value is used. Otherwise, this method returns {@link LibGui#isDarkMode()}.
+	 *
+	 * <p>{@linkplain #paint Painting} should respect this value for general-purpose widgets
+	 * intended for use in multiple different GUIs.
+	 *
+	 * @return {@code true} if this widget should be rendered in dark mode, {@code false} otherwise
+	 * @since 7.1.0
+	 */
+	@Environment(EnvType.CLIENT)
+	public boolean shouldRenderInDarkMode() {
+		var globalDarkMode = LibGui.isDarkMode();
+
+		if (host != null) {
+			return host.isDarkMode().orElse(globalDarkMode);
+		}
+
+		return globalDarkMode;
+	}
 }
diff --git a/src/testMod/java/io/github/cottonmc/test/client/DarkModeTestGui.java b/src/testMod/java/io/github/cottonmc/test/client/DarkModeTestGui.java
new file mode 100644
index 0000000..980e2c5
--- /dev/null
+++ b/src/testMod/java/io/github/cottonmc/test/client/DarkModeTestGui.java
@@ -0,0 +1,50 @@
+package io.github.cottonmc.test.client;
+
+import io.github.cottonmc.cotton.gui.widget.WToggleButton;
+
+import io.github.cottonmc.cotton.gui.widget.data.Insets;
+
+import net.fabricmc.fabric.api.util.TriState;
+import net.minecraft.text.Text;
+
+import io.github.cottonmc.cotton.gui.client.LightweightGuiDescription;
+import io.github.cottonmc.cotton.gui.widget.WButton;
+import io.github.cottonmc.cotton.gui.widget.WDynamicLabel;
+import io.github.cottonmc.cotton.gui.widget.WGridPanel;
+import io.github.cottonmc.cotton.gui.widget.WLabel;
+import io.github.cottonmc.cotton.gui.widget.WLabeledSlider;
+import io.github.cottonmc.cotton.gui.widget.WScrollBar;
+import io.github.cottonmc.cotton.gui.widget.WSlider;
+import io.github.cottonmc.cotton.gui.widget.WText;
+import io.github.cottonmc.cotton.gui.widget.data.Axis;
+
+public final class DarkModeTestGui extends LightweightGuiDescription {
+	private boolean darkMode = false;
+
+	public DarkModeTestGui() {
+		var root = new WGridPanel(20);
+		root.setInsets(Insets.ROOT_PANEL);
+		root.setGaps(3, 3);
+
+		root.add(new WButton(Text.literal("Button A")), 0, 0, 3, 1);
+		root.add(new WButton(Text.literal("Button B")), 0, 1, 3, 1);
+		root.add(new WText(Text.literal("Text")), 0, 2, 3, 1);
+		root.add(new WLabeledSlider(1, 100, Text.literal("Slider A")), 3, 0, 3, 1);
+		root.add(new WSlider(1, 100, Axis.HORIZONTAL), 3, 1, 3, 1);
+		root.add(new WLabel(Text.literal("Label")), 3, 2, 3, 1);
+		root.add(new WScrollBar(Axis.HORIZONTAL), 0, 3, 3, 1);
+		root.add(new WDynamicLabel(() -> "Dynamic label: " + (darkMode ? "dark mode" : "light mode")),
+				3, 3, 3, 1);
+		var toggle = new WToggleButton(Text.literal("Toggle button"));
+		toggle.setOnToggle(on -> darkMode = on);
+		root.add(toggle, 0, 4, 6, 1);
+
+		root.validate(this);
+		setRootPanel(root);
+	}
+
+	@Override
+	public TriState isDarkMode() {
+		return TriState.of(darkMode);
+	}
+}
diff --git a/src/testMod/java/io/github/cottonmc/test/client/LibGuiTestClient.java b/src/testMod/java/io/github/cottonmc/test/client/LibGuiTestClient.java
index 635040f..a8121fb 100644
--- a/src/testMod/java/io/github/cottonmc/test/client/LibGuiTestClient.java
+++ b/src/testMod/java/io/github/cottonmc/test/client/LibGuiTestClient.java
@@ -64,6 +64,7 @@ public class LibGuiTestClient implements ClientModInitializer {
 												}))))
 						.then(literal("#182").executes(openScreen(client -> new Issue182TestGui())))
 						.then(literal("#196").executes(openScreen(client -> new Issue196TestGui())))
+						.then(literal("darkmode").executes(openScreen(client -> new DarkModeTestGui())))
 		));
 	}