This function initiates a font selection operation by presenting a dialog to the user for selecting a font.
The callback will be called when the dialog is dismissed. It should call gtk.font_dialog.FontDialog.chooseFontFinish to obtain the result.
If you want to let the user select font features as well, use gtk.font_dialog.FontDialog.chooseFontAndFeatures instead.
the parent gtk.window.Window
the font to select initially
a gio.cancellable.Cancellable to cancel the operation
a callback to call when the operation is complete
This function initiates a font selection operation by presenting a dialog to the user for selecting a font.
The callback will be called when the dialog is dismissed. It should call gtk.font_dialog.FontDialog.chooseFontFinish to obtain the result.
If you want to let the user select font features as well, use gtk.font_dialog.FontDialog.chooseFontAndFeatures instead.