更改UITextfield輸入的寬度

Question

有沒有辦法更改我的UITextield的輸入大小，使其不與我的“ vergessen”按鈕重疊？

Textfield是一個簡單的TextfieldView，寬度為315。我添加了“ Vergessen？”。 以編程方式按下下面的代碼。

func createForgetButton () {
    let button = UIButton(type: .system)
    button.setTitle("Vergessen?", for: .normal)
    button.addTarget(self, action: #selector(self.vergessenTapped(_:)), for: .touchUpInside)
    button.titleLabel?.font = UIFont(name: "Avenir Next", size: 19.0)
    passwordTextField.rightView = button
    passwordTextField.rightViewMode = .unlessEditing
}

Answer 1

使用以下自定義類的字段。 然后，更新IB或代碼中的.rightPadding字段，以匹配右側按鈕的寬度。

/**
 * Text field with some changes according to design
 *
 * - author: Alexander Volkov
 * - version: 1.0
 */
@IBDesignable public class CustomTextField: UITextField {

    /// the left padding
    @IBInspectable public var leftPadding: CGFloat = 0 { didSet { self.setNeedsLayout() } }

    /// the right padding
    @IBInspectable public var rightPadding: CGFloat = 0 { didSet { self.setNeedsLayout() } }

    /// Text rectangle
    ///
    /// - Parameter bounds: the bounds
    /// - Returns: the rectangle
    override public func textRect(forBounds bounds: CGRect) -> CGRect {
        let originalRect: CGRect = super.editingRect(forBounds: bounds)
        return CGRect(x: originalRect.origin.x + leftPadding, y: originalRect.origin.y, width: originalRect.size.width - leftPadding - rightPadding, height: originalRect.size.height)
    }

    /// Editing rectangle
    ///
    /// - Parameter bounds: the bounds
    /// - Returns: the rectangle
    override public func editingRect(forBounds bounds: CGRect) -> CGRect {
        let originalRect: CGRect = super.editingRect(forBounds: bounds)
        return CGRect(x: originalRect.origin.x + leftPadding, y: originalRect.origin.y, width: originalRect.size.width - leftPadding - rightPadding, height: originalRect.size.height)
    }
}