abstract class GPhoto2::CameraWidget::Base

• GPhoto2::CameraWidget::Base
• Reference
• Object

Overview

Represents a widget.

Included Modules

• GPhoto2::Struct(LibGPhoto2::CameraWidget)

Direct Known Subclasses

• GPhoto2::CameraWidget::Button
• GPhoto2::CameraWidget::Date
• GPhoto2::CameraWidget::Range
• GPhoto2::CameraWidget::Section
• GPhoto2::CameraWidget::Text
• GPhoto2::CameraWidget::Toggle
• GPhoto2::CameraWidget::Window

Defined in:

Constructors

• .new(ptr : Pointer(LibGPhoto2::CameraWidget), parent : GPhoto2::CameraWidget::Base | Nil = nil)

Instance Method Summary

• #==(other : self)

  Compares widget with another, based on #type, #name and #value.

• #==(other : Symbol)

  Compares #value with given Symbol.

• #==(other)

  Compares #value with given other using #to_s.

• #as_button : GPhoto2::CameraWidget::Button

  Returns widget as Button, raises otherwise.

• #as_button? : GPhoto2::CameraWidget::Button | Nil

  Returns widget as Button, nil otherwise.

• #as_date : GPhoto2::CameraWidget::Date

  Returns widget as Date, raises otherwise.

• #as_date? : GPhoto2::CameraWidget::Date | Nil

  Returns widget as Date, nil otherwise.

• #as_menu : GPhoto2::CameraWidget::Menu

  Returns widget as Menu, raises otherwise.

• #as_menu? : GPhoto2::CameraWidget::Menu | Nil

  Returns widget as Menu, nil otherwise.

• #as_radio : GPhoto2::CameraWidget::Radio

  Returns widget as Radio, raises otherwise.

• #as_radio? : GPhoto2::CameraWidget::Radio | Nil

  Returns widget as Radio, nil otherwise.

• #as_range : GPhoto2::CameraWidget::Range

  Returns widget as Range, raises otherwise.

• #as_range? : GPhoto2::CameraWidget::Range | Nil

  Returns widget as Range, nil otherwise.

• #as_section : GPhoto2::CameraWidget::Section

  Returns widget as Section, raises otherwise.

• #as_section? : GPhoto2::CameraWidget::Section | Nil

  Returns widget as Section, nil otherwise.

• #as_text : GPhoto2::CameraWidget::Text

  Returns widget as Text, raises otherwise.

• #as_text? : GPhoto2::CameraWidget::Text | Nil

  Returns widget as Text, nil otherwise.

• #as_toggle : GPhoto2::CameraWidget::Toggle

  Returns widget as Toggle, raises otherwise.

• #as_toggle? : GPhoto2::CameraWidget::Toggle | Nil

  Returns widget as Toggle, nil otherwise.

• #as_window : GPhoto2::CameraWidget::Window

  Returns widget as Window, raises otherwise.

• #as_window? : GPhoto2::CameraWidget::Window | Nil

  Returns widget as Window, nil otherwise.

• #children : Array(Base)

  Returns widget children.

• #close : Nil

  Finalizes object by freeing allocated memory.

• #flatten(map = {} of String => Base) : Hash(String, Base)

  Returns flat structure of widget #children.

• #id : Int32

  Returns widget numerical id.

• #in?(other : ::Range)

  Returns true if #value is included in the other ::Range.

• #in?(other : Enumerable)

  Returns true if #value matches at least one element of the collection.

• #info : String

  Returns widget info if set.

• #label : String

  Returns widget label.

• #name : String

  Returns widget name.

• #parent : Base | Nil

  Returns parent widget, nil otherwise.

• #readonly? : Bool

  Returns true if the widget has readonly flag set.

• #to_s(io : IO)

  Returns string representation of the widget #value.

• #type : Type

  Returns type of the widget.

• #value

  Returns widget value.

• #value=(value)

  Sets widget value.

• #value?

  Returns widget #value unless it's empty or is known to be an empty string, like none or raises NotImplementedError.

Constructor Detail

Instance Method Detail

camera[:whitebalance] == :automatic

camera[:whitebalance] == "Automatic"
camera[:shutterspeed] == 0.5
camera[:iso] == 400

camera[:exposurecompensation].in? -1.6..0.6
camera[:aperture].in? 4..7.1
camera[:iso].in? 100..400

camera[:autoexposuremode].in? %w(Manual Bulb)

puts camera[:whitebalance].to_s # => "Automatic"