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Tristan Van Berkom authored
Added a few apis, - GtkCellAreaContext get_preferred_height_for_width & width for height apis and vfuncs, this lets the icon view request the collective (and aligned) height for width for a said row. - gtk_cell_area_copy_context() this creates a duplicate of an already created and requested context, this way the icon view uses a global context to request the widths of all rows and then makes a copy with all the stored alignments and uses a separate copy to calculate the height and alignments of each row separately.
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