Add multiinput scenario

- InputView using viewcommands and has event for text change.
- Experimental way to handle tab navigation in a layout views.
- New viewcommands for tab navigation and moving cursor.
- Mouse click takes focus in AbstractView if no view command
  binding.
- MultiInputViewScenario now shows tab navigation.
- Fixes #917

spring-shell-samples/spring-shell-sample-catalog/src/main/java/org/springframework/shell/samples/catalog/scenario/other/MultiInputViewScenario.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.shell.samples.catalog.scenario.other;
+
+import org.springframework.shell.component.view.control.GridView;
+import org.springframework.shell.component.view.control.InputView;
+import org.springframework.shell.component.view.control.View;
+import org.springframework.shell.component.view.screen.Color;
+import org.springframework.shell.samples.catalog.scenario.AbstractScenario;
+import org.springframework.shell.samples.catalog.scenario.Scenario;
+import org.springframework.shell.samples.catalog.scenario.ScenarioComponent;;
+
+@ScenarioComponent(name = "Multi inputview", description = "Multi InputView sample", category = { Scenario.CATEGORY_OTHER })
+public class MultiInputViewScenario extends AbstractScenario {
+
+	@Override
+	public View build() {
+		GridView grid = new GridView();
+		configure(grid);
+		grid.setRowSize(1, 1, 1);
+		grid.setColumnSize(0);
+
+		InputView input1 = new InputView();
+		input1.setBackgroundColor(Color.GREEN);
+		configure(input1);
+
+		InputView input2 = new InputView();
+		input2.setBackgroundColor(Color.BLUE);
+		configure(input2);
+
+		InputView input3 = new InputView();
+		input3.setBackgroundColor(Color.RED);
+		configure(input3);
+
+		grid.addItem(input1, 0, 0, 1, 1, 0, 0);
+		grid.addItem(input2, 1, 0, 1, 1, 0, 0);
+		grid.addItem(input3, 2, 0, 1, 1, 0, 0);
+
+		return grid;
+	}
+
+}