Merge pull request #14 from Juuxel/text-events

Add text click and hover event support for WLabel

4 files changed, 69 insertions, 4 deletions

diff --git a/src/main/java/io/github/cottonmc/cotton/gui/client/CottonClientScreen.java b/src/main/java/io/github/cottonmc/cotton/gui/client/CottonClientScreen.java
index 91cf7b5..d8a986f 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/client/CottonClientScreen.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/client/CottonClientScreen.java
@@ -8,7 +8,7 @@ import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.text.LiteralText;
 import net.minecraft.text.Text;
 
-public class CottonClientScreen extends Screen {
+public class CottonClientScreen extends Screen implements TextHoverRendererScreen {
 	protected GuiDescription description;
 	protected int left = 0;
 	protected int top = 0;
@@ -207,4 +207,9 @@ public class CottonClientScreen extends Screen {
 	//public Element getFocused() {
 		//return this;
 	//}
+
+	@Override
+	public void renderTextHover(Text text, int x, int y) {
+		renderComponentHoverEffect(text, x, y);
+	}
 }
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/client/CottonInventoryScreen.java b/src/main/java/io/github/cottonmc/cotton/gui/client/CottonInventoryScreen.java
index c18fc88..5e0cc09 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/client/CottonInventoryScreen.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/client/CottonInventoryScreen.java
@@ -10,8 +10,9 @@ import net.minecraft.client.gui.screen.ingame.AbstractContainerScreen;
 import net.minecraft.client.render.GuiLighting;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.text.LiteralText;
+import net.minecraft.text.Text;
 
-public class CottonInventoryScreen<T extends CottonCraftingController> extends AbstractContainerScreen<T> {
+public class CottonInventoryScreen<T extends CottonCraftingController> extends AbstractContainerScreen<T> implements TextHoverRendererScreen {
 	protected CottonCraftingController description;
 	public static final int PADDING = 8;
 	protected WWidget lastResponder = null;
@@ -155,7 +156,7 @@ public class CottonInventoryScreen<T extends CottonCraftingController> extends A
 		}
 		return result;
 	}
-	
+
 	@Override
 	public boolean mouseScrolled(double mouseX, double mouseY, double amount) {
 		if (description.getRootPanel()==null) return super.mouseScrolled(mouseX, mouseY, amount);
@@ -218,4 +219,9 @@ public class CottonInventoryScreen<T extends CottonCraftingController> extends A
 			}
 		}
 	}
+
+	@Override
+	public void renderTextHover(Text text, int x, int y) {
+		renderComponentHoverEffect(text, x, y);
+	}
 }
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/client/TextHoverRendererScreen.java b/src/main/java/io/github/cottonmc/cotton/gui/client/TextHoverRendererScreen.java
new file mode 100644
index 0000000..c99b325
--- /dev/null
+++ b/src/main/java/io/github/cottonmc/cotton/gui/client/TextHoverRendererScreen.java
@@ -0,0 +1,10 @@
+package io.github.cottonmc.cotton.gui.client;
+
+import net.minecraft.text.Text;
+
+/**
+ * Implemented by LibGui screens to access {@code Screen.renderComponentHoverEffect()}.
+ */
+public interface TextHoverRendererScreen {
+	void renderTextHover(Text text, int x, int y);
+}
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 94fc8ff..f09c263 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
@@ -2,9 +2,18 @@ package io.github.cottonmc.cotton.gui.widget;
 
 import io.github.cottonmc.cotton.gui.client.LibGuiClient;
 import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
+import io.github.cottonmc.cotton.gui.client.TextHoverRendererScreen;
 import io.github.cottonmc.cotton.gui.widget.data.Alignment;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.font.TextRenderer;
+import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.text.LiteralText;
 import net.minecraft.text.Text;
+
+import javax.annotation.Nullable;
+
 public class WLabel extends WWidget {
 	protected Text text;
 	protected Alignment alignment = Alignment.LEFT;
@@ -29,9 +38,44 @@ public class WLabel extends WWidget {
 	}
 
 	@Override
-	public void paintBackground(int x, int y) {
+	public void paintBackground(int x, int y, int mouseX, int mouseY) {
 		String translated = text.asFormattedString();
 		ScreenDrawing.drawString(translated, alignment, x, y, this.getWidth(), LibGuiClient.config.darkMode ? darkmodeColor : color);
+
+		Text hoveredText = getTextAt(mouseX, mouseY);
+		if (hoveredText != null) {
+			Screen screen = MinecraftClient.getInstance().currentScreen;
+			if (screen instanceof TextHoverRendererScreen) {
+				((TextHoverRendererScreen) screen).renderTextHover(hoveredText, x + mouseX, y + mouseY);
+			}
+		}
+	}
+
+	@Override
+	public void onClick(int x, int y, int button) {
+		Text hoveredText = getTextAt(x, y);
+		if (hoveredText != null) {
+			Screen screen = MinecraftClient.getInstance().currentScreen;
+			if (screen != null) {
+				screen.handleComponentClicked(hoveredText);
+			}
+		}
+	}
+
+	@Environment(EnvType.CLIENT)
+	@Nullable
+	private Text getTextAt(int x, int y) {
+		if (isWithinBounds(x, y)) {
+			int i = 0;
+			for (Text component : text) {
+				TextRenderer renderer = MinecraftClient.getInstance().textRenderer;
+				i += renderer.getStringWidth(component.asFormattedString());
+				if (i > x) {
+					return component;
+				}
+			}
+		}
+		return null;
 	}
 
 	@Override