Adds a palette to the color chooser. If orientation is horizontal, the colors are grouped in rows, with colors_per_line colors in each row. If horizontal is false, the colors are grouped in columns instead.
Connect to ColorActivated signal.
Gets the currently-selected color.
Returns whether the color chooser shows the alpha channel.
Sets the color.
Sets whether or not the color chooser should use the alpha channel.
#GtkColorChooser is an interface that is implemented by widgets for choosing colors. Depending on the situation, colors may be allowed to have alpha (translucency).
In GTK+, the main widgets that implement this interface are #GtkColorChooserWidget, #GtkColorChooserDialog and #GtkColorButton.