Class: Gtk::ColorDialog

Inherits:

Object

• Object
• Gtk::ColorDialog

Defined in:

(unknown)

Instance Method Summary

• #choose_rgba(parent, initial_color, cancellable, callback, user_data) ⇒ nil

  This function initiates a color choice operation by presenting a color chooser dialog to the user.

• #choose_rgba_finish(result) ⇒ Gdk::RGBA

  Finishes the [methodGtk.ColorDialog.choose_rgba] call and returns the resulting color.

• #initialize ⇒ Gtk::ColorDialog constructor

  Creates a new GtkColorDialog object.

• #modal ⇒ Boolean

  Returns whether the color chooser dialog blocks interaction with the parent window while it is presented.

• #modal=(modal) ⇒ Boolean

  Whether the color chooser dialog is modal.

• #modal? ⇒ Boolean

  Whether the color chooser dialog is modal.

• #title ⇒ String

  A title that may be shown on the color chooser dialog that is presented by [methodGtk.ColorDialog.choose_rgba].

• #title=(title) ⇒ String

  A title that may be shown on the color chooser dialog that is presented by [methodGtk.ColorDialog.choose_rgba].

• #with_alpha ⇒ Boolean

  Returns whether colors may have alpha.

• #with_alpha=(with_alpha) ⇒ Boolean

  Whether colors may have alpha (translucency).

• #with_alpha? ⇒ Boolean

  Whether colors may have alpha (translucency).

Constructor Details

#initialize ⇒ Gtk::ColorDialog

Creates a new GtkColorDialog object.

Instance Method Details

#choose_rgba(parent, initial_color, cancellable, callback, user_data) ⇒ nil

This function initiates a color choice operation by presenting a color chooser dialog to the user.

The callback will be called when the dialog is dismissed. It should call [methodGtk.ColorDialog.choose_rgba_finish] to obtain the result.

Parameters:

• parent (Gtk::Window) —

  the parent GtkWindow

• initial_color (Gdk::RGBA) —

  the color to select initially

• cancellable (Gio::Cancellable) —

  a GCancellable to cancel the operation

• callback (Gio::AsyncReadyCallback) —

  a callback to call when the operation is complete

• user_data (GObject) —

  data to pass to callback

Returns:

• (nil)

#choose_rgba_finish(result) ⇒ Gdk::RGBA

Finishes the [methodGtk.ColorDialog.choose_rgba] call and returns the resulting color.

Parameters:

• result (Gio::AsyncResult) —

  a GAsyncResult

Returns:

• (Gdk::RGBA) —

  the selected color, or NULL and error is set

#modal ⇒ Boolean

Returns whether the color chooser dialog blocks interaction with the parent window while it is presented.

Returns:

• (Boolean) —

  TRUE if the color chooser dialog is modal

#modal=(modal) ⇒ Boolean

Whether the color chooser dialog is modal.

Parameters:

• modal (Boolean)

Returns:

• (Boolean) —

  modal

• (Boolean) —

  modal

#modal? ⇒ Boolean

Whether the color chooser dialog is modal.

Returns:

• (Boolean) —

  modal

#title ⇒ String

A title that may be shown on the color chooser dialog that is presented by [methodGtk.ColorDialog.choose_rgba].

Returns:

• (String) —

  title

#title=(title) ⇒ String

A title that may be shown on the color chooser dialog that is presented by [methodGtk.ColorDialog.choose_rgba].

Parameters:

• title (String)

Returns:

• (String) —

  title

• (String) —

  title

#with_alpha ⇒ Boolean

Returns whether colors may have alpha.

Returns:

• (Boolean) —

  TRUE if colors may have alpha

#with_alpha=(with_alpha) ⇒ Boolean

Whether colors may have alpha (translucency).

When with-alpha is false, the color that is selected will be forced to have alpha == 1.

Parameters:

• with_alpha (Boolean)

Returns:

• (Boolean) —

  with-alpha

• (Boolean) —

  with-alpha

#with_alpha? ⇒ Boolean

Whether colors may have alpha (translucency).

When with-alpha is false, the color that is selected will be forced to have alpha == 1.

Returns:

• (Boolean) —

  with-alpha