1 files changed, 160 insertions, 0 deletions
diff --git a/src/main/java/me/shedaniel/rei/api/widgets/Button.java b/src/main/java/me/shedaniel/rei/api/widgets/Button.java
new file mode 100644
index 000000000..2bf51e5bc
--- /dev/null
+++ b/src/main/java/me/shedaniel/rei/api/widgets/Button.java
@@ -0,0 +1,160 @@
+package me.shedaniel.rei.api.widgets;
+
+import me.shedaniel.math.api.Point;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.OptionalInt;
+import java.util.function.BiFunction;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+public abstract class Button extends BaseWidget<Button> {
+    public abstract void setTextColor(@Nullable BiFunction<@NotNull Button, @NotNull Point, @NotNull Integer> textColorFunction);
+    
+    public final Button textColor(@Nullable BiFunction<@NotNull Button, @NotNull Point, @NotNull Integer> textColorFunction) {
+        setTextColor(textColorFunction);
+        return this;
+    }
+    
+    public abstract int getTextColor(Point mouse);
+    
+    public abstract void setTextureId(@Nullable BiFunction<@NotNull Button, @NotNull Point, @NotNull Integer> textureIdFunction);
+    
+    public final Button textureId(@Nullable BiFunction<@NotNull Button, @NotNull Point, @NotNull Integer> textureIdFunction) {
+        setTextureId(textureIdFunction);
+        return this;
+    }
+    
+    public abstract int getTextureId(Point mouse);
+    
+    public abstract void onClick();
+    
+    public abstract boolean isEnabled();
+    
+    public abstract void setEnabled(boolean enabled);
+    
+    public final Button enabled(boolean enabled) {
+        setEnabled(enabled);
+        return this;
+    }
+    
+    public abstract OptionalInt getTint();
+    
+    public abstract void setTint(int tint);
+    
+    public abstract void removeTint();
+    
+    public final Button tint(@Nullable Integer tint) {
+        if (tint == null)
+            removeTint();
+        else setTint(tint);
+        return this;
+    }
+    
+    @NotNull
+    public abstract String getText();
+    
+    public abstract void setText(@NotNull String text);
+    
+    @NotNull
+    public final Button text(@NotNull String text) {
+        setText(text);
+        return this;
+    }
+    
+    @Nullable
+    public abstract Consumer<Button> getOnClick();
+    
+    public abstract void setOnClick(@Nullable Consumer<Button> onClick);
+    
+    @NotNull
+    public final Button onClick(@Nullable Consumer<Button> onClick) {
+        setOnClick(onClick);
+        return this;
+    }
+    
+    @Nullable
+    public abstract Consumer<Button> getOnRender();
+    
+    public abstract void setOnRender(@Nullable Consumer<Button> onRender);
+    
+    @NotNull
+    public final Button onRender(@Nullable Consumer<Button> onRender) {
+        setOnRender(onRender);
+        return this;
+    }
+    
+    /**
+     * @return whether the button is focusable by pressing tab, ignored if not clickable.
+     */
+    public abstract boolean isFocusable();
+    
+    /**
+     * Sets whether the button is focusable by pressing tab, ignored if not clickable.
+     *
+     * @param focusable whether the button is focusable by pressing tab, ignored if not clickable.
+     */
+    public abstract void setFocusable(boolean focusable);
+    
+    /**
+     * Sets whether the button is focusable by pressing tab, ignored if not clickable.
+     *
+     * @param focusable whether the label is focusable by pressing tab, ignored if not clickable.
+     * @return the button itself.
+     */
+    @NotNull
+    public final Button focusable(boolean focusable) {
+        setFocusable(focusable);
+        return this;
+    }
+    
+    /**
+     * @return the tooltip from the current tooltip function, null if no tooltip.
+     */
+    @Nullable
+    public abstract String getTooltip();
+    
+    /**
+     * Sets the tooltip function used to get the tooltip.
+     *
+     * @param tooltip the tooltip function used to get the tooltip.
+     */
+    public abstract void setTooltip(@Nullable Function<@NotNull Button, @Nullable String> tooltip);
+    
+    /**
+     * Sets the tooltip.
+     *
+     * @param tooltip the lines of tooltip.
+     * @return the button itself.
+     */
+    @NotNull
+    public final Button tooltipLines(@NotNull String... tooltip) {
+        return tooltipLine(String.join("\n", tooltip));
+    }
+    
+    /**
+     * Sets the tooltip.
+     *
+     * @param tooltip the line of tooltip.
+     * @return the button itself.
+     */
+    @NotNull
+    public final Button tooltipLine(@Nullable String tooltip) {
+        return tooltipSupplier(label -> tooltip);
+    }
+    
+    /**
+     * Sets the tooltip function.
+     *
+     * @param tooltip the tooltip function used to get the tooltip.
+     * @return the button itself.
+     */
+    @NotNull
+    public final Button tooltipSupplier(@Nullable Function<@NotNull Button, @Nullable String> tooltip) {
+        setTooltip(tooltip);
+        return this;
+    }
+    
+    public abstract boolean isFocused();
+}