svghmi/widget_custom.ysl2
author Edouard Tisserant <edouard.tisserant@gmail.com>
Sun, 14 Feb 2021 05:22:30 +0100
branchsvghmi
changeset 3139 1f5ca646ce6e
parent 2909 0519fdce9a59
permissions -rw-r--r--
SVGHMI: Add inhibition to widget's apply_hmi_value() so that it does not change variable more frquently than given widget's frequency. This prevents flooding network with many update if browser is producing events at high rate, as for exemple when dragging ScrollBar's cursor.
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// widget_custom.ysl2
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//
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// widget entierely defined from JS code in Inkscape description field
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// TODO
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// a preliminary implementation was initially attempted but disabled
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// code collected around before code refactoring
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/*const "mark" > =HMI=\n*/
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        /* TODO re-enable
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        ||
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        function evaluate_js_from_descriptions() {
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            var Page;
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            var Input;
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            var Display;
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            var res = [];
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        ||
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        const "midmark" > \n«$mark»
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        apply """//*[contains(child::svg:desc, $midmark) or \
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                     starts-with(child::svg:desc, $mark)]""",2 
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              mode="code_from_descs";
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        ||
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            return res;
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        }
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        ||
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        */
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    // template "*", mode="code_from_descs" {
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    //     ||
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    //     {
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    //         var path, role, name, priv;
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    //         var id = "«@id»";
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    //     ||
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    //     /* if label is used, use it as default name */
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    //     if "@inkscape:label"
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    //         |> name = "«@inkscape:label»";
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    //     | /* -------------- */
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    //     // this breaks indent, but fixing indent could break string literals
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    //     value "substring-after(svg:desc, $mark)";
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    //     // nobody reads generated code anyhow...
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    //     ||
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    //         /* -------------- */
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    //         res.push({
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    //             path:path,
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    //             role:role,
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    //             name:name,
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    //             priv:priv
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    //         })
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    //     }
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    //     ||
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    // }
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