request focus on password field after selecting a vault

main/ui/src/main/java/org/cryptomator/ui/controllers/ChangePasswordController.java

@@ -119,6 +119,11 @@ public class ChangePasswordController implements ViewController {
 		return root;
 	}
 
+	@Override
+	public void focus() {
+		oldPasswordField.requestFocus();
+	}
+
 	void setVault(Vault vault) {
 		this.vault = Objects.requireNonNull(vault);
 		// trigger "default" change to refresh key bindings:

main/ui/src/main/java/org/cryptomator/ui/controllers/InitializeController.java

@@ -105,6 +105,11 @@ public class InitializeController implements ViewController {
 		return root;
 	}
 
+	@Override
+	public void focus() {
+		passwordField.requestFocus();
+	}
+
 	void setVault(Vault vault) {
 		this.vault = Objects.requireNonNull(vault);
 		// trigger "default" change to refresh key bindings:

main/ui/src/main/java/org/cryptomator/ui/controllers/MainController.java

@@ -72,6 +72,9 @@ import javafx.scene.control.ListView;
 import javafx.scene.control.MenuItem;
 import javafx.scene.control.ToggleButton;
 import javafx.scene.image.Image;
+import javafx.scene.input.KeyCode;
+import javafx.scene.input.KeyEvent;
+import javafx.scene.input.MouseEvent;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.Pane;
 import javafx.scene.text.Font;
@@ -165,6 +168,7 @@ public class MainController implements ViewController {
 	@Override
 	public void initialize() {
 		vaultList.setItems(vaults);
+		vaultList.setOnKeyPressed(this::didPressKeyOnList);
 		vaultList.setCellFactory(this::createDirecoryListCell);
 		activeController.set(viewControllerLoader.load("/fxml/welcome.fxml"));
 		selectedVault.bind(vaultList.getSelectionModel().selectedItemProperty());
@@ -239,6 +243,7 @@ public class MainController implements ViewController {
 	private ListCell<Vault> createDirecoryListCell(ListView<Vault> param) {
 		final DirectoryListCell cell = new DirectoryListCell();
 		cell.setVaultContextMenu(vaultListCellContextMenu);
+		cell.setOnMouseClicked(this::didClickOnListCell);
 		return cell;
 	}
 
@@ -393,6 +398,19 @@ public class MainController implements ViewController {
 		}
 	}
 
+	private void didPressKeyOnList(KeyEvent e) {
+		if (e.getCode() == KeyCode.ENTER || e.getCode() == KeyCode.SPACE) {
+			activeController.get().focus();
+		}
+	}
+
+	private void didClickOnListCell(MouseEvent e) {
+		if (MouseEvent.MOUSE_CLICKED.equals(e.getEventType()) && e.getSource() instanceof DirectoryListCell) {
+			assert ((DirectoryListCell) e.getSource()).isSelected() : "click event occurs after mousedown, which causes selection of cell";
+			activeController.get().focus();
+		}
+	}
+
 	// ****************************************
 	// Public Bindings
 	// ****************************************
@@ -471,6 +489,7 @@ public class MainController implements ViewController {
 		ctrl.setVault(selectedVault.get());
 		ctrl.setListener(this::didChangePassword);
 		activeController.set(ctrl);
+		Platform.runLater(ctrl::focus);
 	}
 
 	public void didChangePassword() {

main/ui/src/main/java/org/cryptomator/ui/controllers/UnlockController.java

@@ -155,6 +155,11 @@ public class UnlockController implements ViewController {
 		return root;
 	}
 
+	@Override
+	public void focus() {
+		passwordField.requestFocus();
+	}
+
 	void setVault(Vault vault) {
 		vaultSubs.unsubscribe();
 		vaultSubs = Subscription.EMPTY;

main/ui/src/main/java/org/cryptomator/ui/controllers/UpgradeController.java

@@ -84,6 +84,11 @@ public class UpgradeController implements ViewController {
 		return root;
 	}
 
+	@Override
+	public void focus() {
+		passwordField.requestFocus();
+	}
+
 	void setVault(Vault vault) {
 		this.vault = Objects.requireNonNull(vault);
 		errorLabel.setText(null);

main/ui/src/main/java/org/cryptomator/ui/controllers/ViewController.java

@@ -24,4 +24,8 @@ public interface ViewController extends Initializable {
 		// no-op
 	}
 
+	default void focus() {
+		// no-op
+	}
+
 }