UI: iOS: clean up visuals in SSID editor

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

Author: zx2c4

Sources/WireGuardApp/Base.lproj/Localizable.strings

@@ -109,6 +109,7 @@
 "tunnelOnDemandSectionTitleAddSSIDs" = "Add SSIDs";
 "tunnelOnDemandAddMessageAddConnectedSSID (%@)" = "Add connected: %@";
 "tunnelOnDemandAddMessageAddNewSSID" = "Add new";
+"tunnelOnDemandSSIDTextFieldPlaceholder" = "SSID";
 
 "tunnelOnDemandKey" = "On demand";
 "tunnelOnDemandOptionOff" = "Off";

Sources/WireGuardApp/UI/iOS/View/EditableTextCell.swift

@@ -9,6 +9,11 @@ class EditableTextCell: UITableViewCell {
         set(value) { valueTextField.text = value }
     }
 
+    var placeholder: String? {
+        get { return valueTextField.placeholder }
+        set(value) { valueTextField.placeholder = value }
+    }
+
     let valueTextField: UITextField = {
         let valueTextField = UITextField()
         valueTextField.textAlignment = .left
@@ -29,12 +34,13 @@ class EditableTextCell: UITableViewCell {
         valueTextField.delegate = self
         contentView.addSubview(valueTextField)
         valueTextField.translatesAutoresizingMaskIntoConstraints = false
-        let bottomAnchorConstraint = contentView.layoutMarginsGuide.bottomAnchor.constraint(equalToSystemSpacingBelow: valueTextField.bottomAnchor, multiplier: 1)
+        // Reduce the bottom margin by 0.5pt to maintain the default cell height (44pt)
+        let bottomAnchorConstraint = contentView.layoutMarginsGuide.bottomAnchor.constraint(equalTo: valueTextField.bottomAnchor, constant: -0.5)
         bottomAnchorConstraint.priority = .defaultLow
         NSLayoutConstraint.activate([
-            valueTextField.leadingAnchor.constraint(equalToSystemSpacingAfter: contentView.layoutMarginsGuide.leadingAnchor, multiplier: 1),
-            contentView.layoutMarginsGuide.trailingAnchor.constraint(equalToSystemSpacingAfter: valueTextField.trailingAnchor, multiplier: 1),
-            valueTextField.topAnchor.constraint(equalToSystemSpacingBelow: contentView.layoutMarginsGuide.topAnchor, multiplier: 1),
+            valueTextField.leadingAnchor.constraint(equalTo: contentView.layoutMarginsGuide.leadingAnchor),
+            contentView.layoutMarginsGuide.trailingAnchor.constraint(equalTo: valueTextField.trailingAnchor),
+            contentView.layoutMarginsGuide.topAnchor.constraint(equalTo: valueTextField.topAnchor),
             bottomAnchorConstraint
         ])
     }
@@ -50,6 +56,7 @@ class EditableTextCell: UITableViewCell {
     override func prepareForReuse() {
         super.prepareForReuse()
         message = ""
+        placeholder = nil
     }
 }
 

Sources/WireGuardApp/UI/iOS/ViewController/SSIDOptionEditTableViewController.swift

@@ -60,6 +60,7 @@ class SSIDOptionEditTableViewController: UITableViewController {
         tableView.register(TextCell.self)
         tableView.isEditing = true
         tableView.allowsSelectionDuringEditing = true
+        tableView.keyboardDismissMode = .onDrag
     }
 
     func loadSections() {
@@ -188,6 +189,7 @@ extension SSIDOptionEditTableViewController {
     private func selectedSSIDCell(for tableView: UITableView, at indexPath: IndexPath) -> UITableViewCell {
         let cell: EditableTextCell = tableView.dequeueReusableCell(for: indexPath)
         cell.message = selectedSSIDs[indexPath.row]
+        cell.placeholder = tr("tunnelOnDemandSSIDTextFieldPlaceholder")
         cell.isEditing = true
         cell.onValueBeingEdited = { [weak self, weak cell] text in
             guard let self = self, let cell = cell else { return }