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.
Get rgba property.
Set rgba property.
Get useAlpha property.
Set useAlpha property.
#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.