GtkAdjustment* (*get_vadjustment_func) (ModestMsgView *self);
GtkAdjustment* (*get_hadjustment_func) (ModestMsgView *self);
void (*set_vadjustment_func) (ModestMsgView *self, GtkAdjustment *vadj);
GtkAdjustment* (*get_vadjustment_func) (ModestMsgView *self);
GtkAdjustment* (*get_hadjustment_func) (ModestMsgView *self);
void (*set_vadjustment_func) (ModestMsgView *self, GtkAdjustment *vadj);