Fix deprecation warnings
- Replace
gtk_font_button_[gs]et_font_name
withgtk_font_chooser_[gs]et_font
- Replace
gtk_widget_modify_font
withgtk_label_set_attributes
- Replace
gtk_misc_set_alignment
withgtk_label_set_[xy]align
- Remove
GtkAlignment
- Replace
GtkArrow
withpan-down-symbolic
image - Replace
gtk_menu_popup
withgtk_menu_popup_at_widget
- Replace
gtk_widget_override_color
with CSS
Edited by Arkadiy Illarionov