Calculate the size of the text area, which is its
allocated width and requested height, minus space for margins and borders.
This virtual function must be non-null.
structGtkEntryClass
extern (C)
voidfunction(GtkEntry* entry, int* x, int* y, int* width, int* height)getTextAreaSize;
Calculate the size of the text area, which is its allocated width and requested height, minus space for margins and borders. This virtual function must be non-null.