Synthesizer V Script

function getClientInfo() {
    return {
        "name": "Play with Smooth Page Scrolling",
        "author": "Silver1063",
        "versionNumber": 1,
        "minEditorVersion": 65537
    };
}

function setInterval(t, callback) {
    callback();
    SV.setTimeout(t, setInterval.bind(null, t, callback));
}

var playhead_position
var offset

function main() {
    var form = {
        "title": SV.T("Playhead Properties"),
        "widgets" : [
            {
                "name" : "slider1",
                "type" : "Slider",
                "label" : "Playhead Position",
                "format" : "%1.2f",
                "minValue" : 0.00,
                "maxValue" : 1.00,
                "interval" : 0.01,
                "default" : 0.30
            },
        ]
    }
    var result = SV.showCustomDialog(form);
    playhead_position = result.answers.slider1

    playback = SV.getPlayback()
    coordinatesystem = SV.getMainEditor().getNavigation()
    offset = (coordinatesystem.getTimeViewRange()[1] - coordinatesystem.getTimeViewRange()[0]) * playhead_position

    SV.getPlayback().play();
    setInterval(20, scroll)
}

function scroll() {
    playhead_pos = SV.getProject().getTimeAxis().getBlickFromSeconds(playback.getPlayhead())

    if(SV.getPlayback().getStatus() == 'playing'){
        coordinatesystem.setTimeLeft(playhead_pos - offset)
    }
    else {
        SV.finish()
    }
}