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 TextView.setBorderWindowSize).
a GtkTextWindowType, except GTK_TEXT_WINDOW_PRIVATE
buffer x coordinate
buffer y coordinate
window x coordinate return location or NULL
window y coordinate return location or NULL
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 TextView.setBorderWindowSize).