layout_spacings.cxx

#include <cgv/gui/layout_spacings.h>
#include <map>
#include <iostream>
 
namespace cgv {
    namespace gui {
 
        // some presets
        // compact layout without spacings at all
        static const layout_spacings spacing_compact = {"compact", {0, 0}, {0, 0}};
        // small layout with a little spacing
        static const layout_spacings spacing_small = {"small", {1, 1}, {1, 1}};
        // normal layout with nice spacings
        static const layout_spacings spacing_normal = {"normal", {2, 2}, {2, 2}};
        // broad spacing
        static const layout_spacings spacing_broad = {"broad", {5, 5}, {5, 5}};
        // huge spacing
        static const layout_spacings spacing_huge = {"huge", {15, 15}, {15, 15}};
 
 
        // the list of presets
        std::map<std::string,layout_spacings>& ref_spacings()
        {
            static std::map<std::string, layout_spacings> spacings;
            static bool presets_added = false;
            if (!presets_added) {
                spacings[spacing_compact.name] = spacing_compact;
                spacings[spacing_small.name] = spacing_small;
                spacings[spacing_normal.name] = spacing_normal;
                spacings[spacing_broad.name] = spacing_broad;
                spacings[spacing_huge.name] = spacing_huge;
                presets_added = true;
            }
            return spacings;
        }
 
        // get a spacing 
        const layout_spacings& get_layout_spacings(std::string name) 
        {
            if (ref_spacings().find(name) != ref_spacings().end())
                return ref_spacings()[name];
            return ref_spacings()["compact"];
        }
 
 
        void add_layout_spacings(const layout_spacings& new_spacings) 
        {
            ref_spacings()[new_spacings.name] = new_spacings;
        }
 
 
        void remove_layout_spacings(const std::string& name)
        {
            ref_spacings().erase(name);
        }
 
    }
}