Converts coordinate (buffer_x, buffer_y) to coordinates for the window win, and stores the result in (window_x, window_y). Note that you can't convert coordinates for a nonexisting window (see gtk_text_view_set_border_window_size()).
a GtkTextWindowType except GTK_TEXT_WINDOW_PRIVATE
buffer x coordinate
buffer y coordinate
window x coordinate return location or NULL. out[allow-none]
window y coordinate return location or NULL. out[allow-none]
See Implementation
Converts coordinate (buffer_x, buffer_y) to coordinates for the window win, and stores the result in (window_x, window_y). Note that you can't convert coordinates for a nonexisting window (see gtk_text_view_set_border_window_size()).