Add WTitle

3 files changed, 96 insertions, 0 deletions

diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WTitle.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WTitle.java
new file mode 100644
index 0000000..a6336fe
--- /dev/null
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WTitle.java
@@ -0,0 +1,96 @@
+package io.github.cottonmc.cotton.gui.widget;
+
+import io.github.cottonmc.cotton.gui.client.BackgroundPainter;
+import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
+import io.github.cottonmc.cotton.gui.widget.data.Alignment;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.text.Text;
+import net.minecraft.util.Identifier;
+
+import javax.annotation.Nullable;
+
+/**
+ * A panel title widget with a 3D effect.
+ *
+ * <img src="https://github.com/CottonMC/docs/images/libgui_title.png" alt="Screenshot of a title widget">
+ *
+ * <p>Titles should be added to their panels at (0, 0) and they should be as wide as the panel.
+ * The default title painter assumes that the containing panel uses {@link BackgroundPainter#VANILLA} or
+ * a {@linkplain BackgroundPainter.NinePatch nine-patch background painter} with a padding of 8.
+ */
+public class WTitle extends WWidget {
+	public static final BackgroundPainter DEFAULT_BACKGROUND_PAINTER =
+			BackgroundPainter.createLightDarkVariants(
+					BackgroundPainter.createNinePatch(new Identifier("libgui", "textures/widget/title_light.png"), 8).setBottomPadding(0),
+					BackgroundPainter.createNinePatch(new Identifier("libgui", "textures/widget/title_dark.png"), 8).setBottomPadding(0)
+			);
+
+	private Text label;
+	private Alignment alignment = Alignment.CENTER;
+	private int color = 0xFFFFFF;
+
+	@Environment(EnvType.CLIENT)
+	@Nullable
+	private BackgroundPainter backgroundPainter = DEFAULT_BACKGROUND_PAINTER;
+
+	public WTitle(Text label) {
+		this.label = label;
+	}
+
+	@Override
+	public boolean canResize() {
+		return true;
+	}
+
+	@Override
+	public void setSize(int x, int y) {
+		super.setSize(x, 16);
+	}
+
+	@Environment(EnvType.CLIENT)
+	@Nullable
+	public BackgroundPainter getBackgroundPainter() {
+		return backgroundPainter;
+	}
+
+	@Environment(EnvType.CLIENT)
+	public WTitle setBackgroundPainter(@Nullable BackgroundPainter backgroundPainter) {
+		this.backgroundPainter = backgroundPainter;
+		return this;
+	}
+
+	public Text getLabel() {
+		return label;
+	}
+
+	public WTitle setLabel(Text label) {
+		this.label = label;
+		return this;
+	}
+
+	public int getColor() {
+		return color;
+	}
+
+	public WTitle setColor(int color) {
+		this.color = color;
+		return this;
+	}
+
+	public Alignment getAlignment() {
+		return alignment;
+	}
+
+	public WTitle setAlignment(Alignment alignment) {
+		this.alignment = alignment;
+		return this;
+	}
+
+	@Override
+	public void paintBackground(int x, int y, int mouseX, int mouseY) {
+		if (backgroundPainter != null) backgroundPainter.paintBackground(x, y, this);
+
+		ScreenDrawing.drawStringWithShadow(label.asFormattedString(), alignment, x, y, getWidth(), color);
+	}
+}
diff --git a/src/main/resources/assets/libgui/textures/widget/title_dark.png b/src/main/resources/assets/libgui/textures/widget/title_dark.png
new file mode 100644
index 0000000..0548651
--- /dev/null
+++ b/src/main/resources/assets/libgui/textures/widget/title_dark.png
diff --git a/src/main/resources/assets/libgui/textures/widget/title_light.png b/src/main/resources/assets/libgui/textures/widget/title_light.png
new file mode 100644
index 0000000..22bf614
--- /dev/null
+++ b/src/main/resources/assets/libgui/textures/widget/title_light.png