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Current File : /usr/share/graphviz/lefty/dotty_ui.lefty
#
# dotty_ui: user interface functions and data structures
#
dotty.protogt.doaction = function (data, s) {
    local vt, gt;

    vt = dotty.views[data.widget];
    gt = dotty.graphs[vt.gtid];
    data.menuitem = s;
    if (data.obj.nid >= 0) {
        if (gt.actions.node[s]) {
            gt.actions.node[s] (gt, vt, data.obj, data);
            return;
        }
    } else if (data.obj.eid >= 0) {
        if (gt.actions.edge[s]) {
            gt.actions.edge[s] (gt, vt, data.obj, data);
            return;
        }
    }
    if (gt.actions.general[s])
        gt.actions.general[s] (gt, vt, data);
};
dotty.protogt.actions.general = [
    "undo" = function (gt, vt, data) {
        gt.undo (gt, 1);
    };
    "paste" = function (gt, vt, data) {
        gt.paste (gt, data.pos, 1);
    };
    "do layout" = function (gt, vt, data) {
        gt.layoutgraph (gt);
    };
    "cancel layout" = function (gt, vt, data) {
        gt.cancellayout (gt);
    };
    "redraw" = function (gt, vt, data) {
        gt.redrawgraph (gt, [vt.vtid = vt;]);
    };
    "new graph" = function (gt, vt, data) {
        gt.erasegraph (gt, null, null);
    };
    "load graph" = function (gt, vt, data) {
        gt.loadgraph (gt, null, 'file', dotty.protogt.graph, 1);
    };
    "reload graph" = function (gt, vt, data) {
        gt.loadgraph (gt, gt.name, gt.type, gt.graph, 1);
    };
    "save graph" = function (gt, vt, data) {
        gt.savegraph (gt, gt.name, gt.type);
    };
    "save graph as" = function (gt, vt, data) {
        gt.savegraph (gt, null, 'file');
    };
    "open view" = function (gt, vt, data) {
        gt = dotty.protogt.creategraph (null);
        gt.createview (gt, null);
    };
    "copy view" = function (gt, vt, data) {
        gt = gt.copygraph (gt);
        gt.createview (gt, vt);
    };
    "birdseye view" = function (gt, vt, data) {
        gt.createview (gt, dotty.protovt.birdseye);
    };
    "clone view" = function (gt, vt, data) {
        gt.createview (gt, vt);
    };
    "close view" = function (gt, vt, data) {
        gt.destroyview (gt, vt);
        if (tablesize (gt.views) == 0)
            gt.destroygraph (gt);
    };
    "set graph attr" = function (gt, vt, data) {
        gt.setattr (gt, ['attr' = gt.graph.graphattr;]);
    };
    "set node attr" = function (gt, vt, data) {
        gt.setattr (gt, ['attr' = gt.graph.nodeattr;]);
    };
    "set edge attr" = function (gt, vt, data) {
        gt.setattr (gt, ['attr' = gt.graph.edgeattr;]);
    };
    "zoom in" = function (gt, vt, data) {
        gt.zoom (gt, vt, 0.5, data.pos);
    };
    "zoom out" = function (gt, vt, data) {
        gt.zoom (gt, vt, 2, data.pos);
    };
    "zoom in slowly" = function (gt, vt, data) {
        gt.zoom (gt, vt, 0.9, data.pos);
    };
    "zoom out slowly" = function (gt, vt, data) {
        gt.zoom (gt, vt, 1.1, data.pos);
    };
    "scroll horizontally" = function (gt, vt, data) {
        vt.scrollmode = 'h';
    };
    "scroll vertically" = function (gt, vt, data) {
        vt.scrollmode = 'v';
    };
    "find node" = function (gt, vt, data) {
        gt.findnode (gt, vt);
    };
    "print graph" = function (gt, vt, data) {
        gt.printorsave (gt, vt, null, null, null, null);
    };
    "text view" = function (gt, vt, data) {
        if (dotty.txtview == 'on')
            dotty.txtview = 'off';
        else
            dotty.txtview = 'on';
        txtview (dotty.txtview);
    };
    "quit" = function (gt, vt, data) {
        exit ();
    };
];
dotty.protogt.actions.node = [
    "cut" = function (gt, vt, obj, data) {
        gt.cut (gt, obj, 'one', 'support', 'cut');
        dotty.clipgt.layoutgraph (dotty.clipgt);
    };
    "Cut" = function (gt, vt, obj, data) {
        gt.cut (gt, obj, 'reachable', 'support', 'cut');
        dotty.clipgt.layoutgraph (dotty.clipgt);
    };
    "copy" = function (gt, vt, obj, data) {
        gt.cut (gt, obj, 'one', 'support', 'copy');
        dotty.clipgt.layoutgraph (dotty.clipgt);
    };
    "Copy" = function (gt, vt, obj, data) {
        gt.cut (gt, obj, 'reachable', 'support', 'copy');
        dotty.clipgt.layoutgraph (dotty.clipgt);
    };
    "group" = function (gt, vt, obj, data) {
        local kv;

        if ((kv = gt.getattr (gt, obj)))
            gt.groupnodesbyattr (gt, kv.key, kv.val, [
                'label' = kv.val; kv.key = kv.val;
            ], 1, 1);
    };
    "Group" = function (gt, vt, obj, data) {
        local kv;

        if ((kv = gt.getattr (gt, obj)))
            gt.groupnodesbyattr (gt, kv.key, kv.val, [
                'label' = kv.val; kv.key = kv.val;
            ], 0, 1);
    };
    "delete" = function (gt, vt, obj, data) {
        if (obj.eid >= 0)
            gt.removeedge (gt, obj);
        else
            gt.removenode (gt, obj);
    };
    "Delete" = function (gt, vt, obj, data) {
        gt.removesubtree (gt, obj);
    };
    "remove" = function (gt, vt, obj, data) {
        if (obj.nid >= 0)
            if ((kv = gt.getattr (gt, obj)))
                gt.removenodesbyattr (gt, kv.key, kv.val);
    };
    "Remove" = function (gt, vt, obj, data) {
        if (obj.nid >= 0)
            if ((kv = gt.getattr (gt, obj)))
                gt.removesubtreesbyattr (gt, kv.key, kv.val);
    };
    "set attr" = function (gt, vt, obj, data) {
        gt.setattr (gt, obj);
    };
    "print attr" = function (gt, vt, obj, data) {
        if (obj.nid >= 0)
            echo ('node: ', obj.name);
        dump (obj.attr);
    };
];
dotty.protogt.actions.edge = dotty.protogt.actions.node;
dotty.protovt.normal.menus = [
    'general' = [
        0 = "undo";
        1 = "paste";
        2 = "do layout";
        3 = "cancel layout";
        4 = "redraw";
        5 = "new graph";
        6 = "load graph";
        7 = "reload graph";
        8 = "save graph";
        9 = "save graph as";
        10 = "open view";
        11 = "copy view";
        12 = "clone view";
        13 = "birdseye view";
        14 = "close view";
        15 = "set graph attr";
        16 = "set node attr";
        17 = "set edge attr";
        18 = "zoom in";
        19 = "zoom out";
        20 = "find node";
        21 = "print graph";
        22 = "text view";
        23 = "quit";
    ];
    'node' = [
        0 = "cut";
        1 = "Cut";
        2 = "copy";
        3 = "Copy";
        4 = "group";
        5 = "Group";
        6 = "delete";
        7 = "Delete";
        8 = "remove";
        9 = "Remove";
        10 = "set attr";
        11 = "print attr";
    ];
    'edge' = [
        0 = "cut";
        1 = "Cut";
        2 = "copy";
        3 = "Copy";
        4 = "delete";
        5 = "Delete";
        6 = "set attr";
        7 = "print attr";
    ];
];
dotty.protovt.normal.keys = [
    'general' = [
        'u' = "undo";
        'p' = "paste";
        'l' = "do layout";
        'k' = "cancel layout";
        ' ' = "redraw";
        'L' = "reload graph";
        's' = "save graph";
        'Z' = "zoom in slowly";
        'z' = "zoom out slowly";
        'h' = "scroll horizontally";
        'v' = "scroll vertically";
    ];
    'node' = [
        'c' = "copy";
        'C' = "Copy";
        'g' = "group";
        'G' = "Group";
        'd' = "delete";
        'D' = "Delete";
        'r' = "remove";
        'R' = "Remove";
        'a' = "set attr";
    ];
    'edge' = [
        'c' = "copy";
        'C' = "Copy";
        'd' = "delete";
        'D' = "Delete";
        'a' = "set attr";
    ];
];
dotty.protovt.birdseye.menus = dotty.protovt.normal.menus;
dotty.protovt.birdseye.keys = dotty.protovt.normal.keys;
dotty.protovt.normal.uifuncs = [
    'leftdown' = function (data) {
        local gt;

        gt = dotty.graphs[dotty.views[data.widget].gtid];
        if (data.obj.nid >= 0) {
            dotty.node2move = data.obj;
            dotty.movewidget = data.widget;
            dotty.rp2 = data.pos;
        }
    };
    'leftmove' = function (data) {
        local gt;

        gt = dotty.graphs[dotty.views[data.widget].gtid];
        if (dotty.node2move & (
            dotty.rp2.x ~= data.pos.x | dotty.rp2.y ~= data.pos.y
        )) {
            gt.movenode (gt, dotty.node2move, data.pos);
            dotty.rp2 = data.pos;
        }
    };
    'leftup' = function (data) {
        local gt;

        gt = dotty.graphs[dotty.views[data.widget].gtid];
        if (dotty.node2move) {
            if (dotty.movewidget == data.widget)
                gt.movenode (gt, dotty.node2move, data.pos);
            dotty.node2move = 0;
        } else if (~data.obj)
            gt.insertnode (gt, data.pos, null, null, null, 1);
    };
    'middledown' = function (data) {
        if (~(data.obj.nid >= 0))
            return;
        dotty.rubberband = 1;
        dotty.movewidget = data.widget;
        setgfxattr (data.widget, ['mode' = 'xor';]);
        dotty.rp1 = data.pos;
        dotty.rp2 = data.pos;
        line (data.widget, null, dotty.rp1, dotty.rp2, ['color' = 1;]);
    };
    'middlemove' = function (data) {
        if (dotty.rubberband ~= 1 | (
            dotty.rp2.x == data.pos.x & dotty.rp2.y == data.pos.y
        ))
            return;
        line (data.widget, null, dotty.rp1, dotty.rp2, ['color' = 1;]);
        dotty.rp2 = data.pos;
        line (data.widget, null, dotty.rp1, dotty.rp2, ['color' = 1;]);
    };
    'middleup' = function (data) {
        local gt;

        gt = dotty.graphs[dotty.views[data.widget].gtid];
        if (dotty.rubberband ~= 1)
            return;
        dotty.rubberband = 0;
        line (dotty.movewidget, null, dotty.rp1, dotty.rp2, ['color' = 1;]);
        setgfxattr (dotty.movewidget, ['mode' = 'src';]);
        if (dotty.movewidget ~= data.widget | ~(
            data.pobj.nid >= 0) | ~(data.obj.nid >= 0
        ))
            return;
        if (data.pobj.attr.support)
            gt.groupnodes (gt, [
                data.obj.nid = data.obj;
                data.pobj.nid = data.pobj;
            ], data.obj, null, null, null, 1, 1);
        else if (data.obj.attr.support)
            gt.groupnodes (gt, [
                data.obj.nid = data.obj;
                data.pobj.nid = data.pobj;
            ], data.pobj, null, null, null, 1, 1);
        else
            gt.insertedge (gt, data.pobj, null, data.obj, null, null, 1);
    };
    'rightup' = function (data) {
        local vt, gt, menu, i;

        vt = dotty.views[data.widget];
        gt = dotty.graphs[vt.gtid];
        if (~data.obj)
            menu = vt.menus.general;
        else if (data.obj.nid >= 0)
            menu = vt.menus.node;
        else if (data.obj.eid >= 0)
            menu = vt.menus.edge;
        if ((i = displaymenu (data.widget, menu)) >= 0)
            gt.doaction (data, menu[i]);
    };
    'button3up' = function (data) {
        local vt, attr;

        vt = dotty.views[data.widget];
        attr = getwidgetattr (vt.scroll, [0 = 'childcenter';]);
        if (vt.scrollmode == 'h')
            attr.childcenter.x = attr.childcenter.x - 40;
        else
            attr.childcenter.y = attr.childcenter.y - 40;
        setwidgetattr (vt.scroll, ['childcenter' = attr.childcenter;]);
    };
    'button4up' = function (data) {
        local vt, attr;

        vt = dotty.views[data.widget];
        attr = getwidgetattr (vt.scroll, [0 = 'childcenter';]);
        if (vt.scrollmode == 'h')
            attr.childcenter.x = attr.childcenter.x + 40;
        else
            attr.childcenter.y = attr.childcenter.y + 40;
        setwidgetattr (vt.scroll, ['childcenter' = attr.childcenter;]);
    };
    'keyup' = function (data) {
        local vt, gt, action;

        vt = dotty.views[data.widget];
        gt = dotty.graphs[vt.gtid];
        if (data.obj.nid >= 0) {
            if (vt.keys.node[data.key])
                action = vt.keys.node[data.key];
        } else if (data.obj.eid >= 0) {
            if (vt.keys.edge[data.key])
                action = vt.keys.edge[data.key];
        }
        if (~action)
            if (vt.keys.general[data.key])
                action = vt.keys.general[data.key];
        if (action)
            gt.doaction (data, action);
    };
    'redraw' = function (data) {
        local vt, gt;

        vt = dotty.views[data.widget];
        gt = dotty.graphs[vt.gtid];
        gt.drawgraph (gt, [vt.vtid = vt;]);
    };
    'closeview' = function (data) {
        local vt, gt;

        vt = dotty.views[data.widget];
        gt = dotty.graphs[vt.gtid];
        gt.destroyview (gt, vt);
        if (tablesize (gt.views) == 0)
            gt.destroygraph (gt);
    };
];
dotty.protovt.birdseye.uifuncs = [
    'leftdown' = function (data) {
        local gt, vid;

        gt = dotty.graphs[dotty.views[data.widget].gtid];
        for (vid in gt.views) {
            vt = gt.views[vid];
            if (vt.type ~= 'birdseye')
                gt.setviewcenter ([vid = vt;], data.pos);
        }
    };
    'leftmove' = function (data) {
        local gt, vid;

        gt = dotty.graphs[dotty.views[data.widget].gtid];
        for (vid in gt.views) {
            vt = gt.views[vid];
            if (vt.type ~= 'birdseye')
                gt.setviewcenter ([vid = vt;], data.pos);
        }
    };
    'leftup' = function (data) {
        local gt, vid;

        gt = dotty.graphs[dotty.views[data.widget].gtid];
        for (vid in gt.views) {
            vt = gt.views[vid];
            if (vt.type ~= 'birdseye')
                gt.setviewcenter ([vid = vt;], data.pos);
        }
    };
    'middledown' = dotty.protovt.normal.uifuncs.middledown;
    'middlemove' = dotty.protovt.normal.uifuncs.middlemove;
    'middleup' = dotty.protovt.normal.uifuncs.middleup;
    'rightup' = dotty.protovt.normal.uifuncs.rightup;
    'keyup' = dotty.protovt.normal.uifuncs.keyup;
    'redraw' = dotty.protovt.normal.uifuncs.redraw;
    'closeview' = dotty.protovt.normal.uifuncs.closeview;
];
dotty.monitorfile = function (data) {
    local gtid, gt, lpt;

    for (gtid in dotty.layoutpending) {
        lpt = dotty.layoutpending[gtid];
        if (lpt.fd == data.fd) {
            gt = dotty.graphs[lpt.gtid];
            gt.haveinput = 1;
            gt.layoutgraph (gt);
            return 1;
        }
    }
    return 0;
};
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