15.3.682  src/lib/x-kit/widget/old/fancy/graphviz/scrollable-graphviz-widget.api

## scrollable-graphviz-widget.api
#

# Compiled by:
#     src/lib/x-kit/widget/xkit-widget.sublib

# This package gets used in:
#     src/lib/x-kit/tut/show-graph/show-graph-app.pkg


stipulate
    package wg  =  widget;                      # widget                        is from   src/lib/x-kit/widget/old/basic/widget.pkg
    package ffc =  font_family_cache;           # font_family_cache             is from   src/lib/x-kit/widget/old/fancy/graphviz/font-family-cache.pkg
    package pg  =  planar_graphtree;            # planar_graphtree              is from   src/lib/std/dot/planar-graphtree.pkg
herein

    # This api is implemented in:
    #
    #     src/lib/x-kit/widget/old/fancy/graphviz/scrollable-graphviz-widget.pkg
    #
    api Scrollable_Graphviz_Widget {
        #
        Scrollable_Graphviz_Widget;

        make_scrollable_graphviz_widget
            :
            ( ffc::Font_Family_Cache,           # Fonts in which to draw.
              wg::Root_Window                   # X server on which to draw.
            )
            -> pg::Traitful_Graph               # Graph to draw.
            -> Scrollable_Graphviz_Widget;

        as_widget:  Scrollable_Graphviz_Widget -> wg::Widget;
    };
end;