/
LimitedAreaInputHandler.java
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/
LimitedAreaInputHandler.java
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package mezz.jei.common.input.handlers;
import com.google.common.base.MoreObjects;
import com.mojang.blaze3d.platform.InputConstants;
import mezz.jei.common.input.IInternalKeyMappings;
import mezz.jei.common.input.UserInput;
import mezz.jei.common.input.IUserInputHandler;
import mezz.jei.common.util.ImmutableRect2i;
import net.minecraft.client.gui.screens.Screen;
import org.jetbrains.annotations.Nullable;
import java.util.Optional;
public class LimitedAreaInputHandler implements IUserInputHandler {
private final IUserInputHandler handler;
private final ImmutableRect2i area;
public static IUserInputHandler create(IUserInputHandler handler, @Nullable ImmutableRect2i area) {
if (area == null) {
return handler;
}
return new LimitedAreaInputHandler(handler, area);
}
private LimitedAreaInputHandler(IUserInputHandler handler, ImmutableRect2i area) {
this.handler = handler;
this.area = area;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("area", this.area)
.add("handler", this.handler)
.toString();
}
@Override
public Optional<IUserInputHandler> handleUserInput(Screen screen, UserInput input, IInternalKeyMappings keyBindings) {
if (this.area.contains(input.getMouseX(), input.getMouseY())) {
return this.handler.handleUserInput(screen, input, keyBindings)
.map(handled -> this);
}
return Optional.empty();
}
@Override
public void handleMouseClickedOut(InputConstants.Key input) {
this.handler.handleMouseClickedOut(input);
}
@Override
public Optional<IUserInputHandler> handleMouseScrolled(double mouseX, double mouseY, double scrollDelta) {
if (this.area.contains(mouseX, mouseY)) {
return this.handler.handleMouseScrolled(mouseX, mouseY, scrollDelta);
}
return Optional.empty();
}
}