Emitted when a color is activated from the color chooser. This usually happens when the user clicks a color swatch, or a color is selected and the user presses one of the keys Space, Shift+Space, Return or Enter.
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.
Get the main Gtk struct
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.