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Viewing changes to src/plugins/qmlprofiler/qml/Overview.qml

  • Committer: Timo Jyrinki
  • Date: 2013-12-02 09:16:15 UTC
  • mfrom: (1.1.29)
  • Revision ID: timo.jyrinki@canonical.com-20131202091615-xbj1os1f604ber1m
New upstream release candidate.

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src/plugins/qmlprofiler/qml/Overview.qml
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Canvas2D {
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    id: canvas
 
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    objectName: "Overview"
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    // ***** properties
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    height: 50
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    }
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    function updateRange() {
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        var newStartTime = Math.round(rangeMover.x * qmlProfilerModelProxy.traceDuration() / width) + qmlProfilerModelProxy.traceStartTime();
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        var newEndTime = Math.round((rangeMover.x + rangeMover.width) * qmlProfilerModelProxy.traceDuration() / width) + qmlProfilerModelProxy.traceStartTime();
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        if (startTime !== newStartTime || endTime !== newEndTime) {
 
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        var newStartTime = Math.round(rangeMover.getLeft() * qmlProfilerModelProxy.traceDuration() / width) + qmlProfilerModelProxy.traceStartTime();
 
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        var newEndTime = Math.round(rangeMover.getRight() * qmlProfilerModelProxy.traceDuration() / width) + qmlProfilerModelProxy.traceStartTime();
 
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        if ((startTime !== newStartTime || endTime !== newEndTime) && newEndTime - newStartTime > 500) {
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            zoomControl.setRange(newStartTime, newEndTime);
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        }
 
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    }
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    function clamp(val, min, max) {
 
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        return Math.min(Math.max(val, min), max);
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    }
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    // ***** connections to external objects
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        target: zoomControl
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        onRangeChanged: {
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            if (qmlProfilerModelProxy) {
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                startTime = zoomControl.startTime();
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                endTime = zoomControl.endTime();
 
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                startTime = clamp(zoomControl.startTime(), qmlProfilerModelProxy.traceStartTime(), qmlProfilerModelProxy.traceEndTime());
 
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                endTime = clamp(zoomControl.endTime(), startTime, qmlProfilerModelProxy.traceEndTime());
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                var newRangeX = (startTime - qmlProfilerModelProxy.traceStartTime()) * width / qmlProfilerModelProxy.traceDuration();
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                if (rangeMover.x !== newRangeX)
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                    rangeMover.x = newRangeX;
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                var newWidth = (endTime-startTime) * width / qmlProfilerModelProxy.traceDuration();
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                if (rangeMover.width !== newWidth)
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                    rangeMover.width = newWidth;
 
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                var newWidth = (endTime - startTime) * width / qmlProfilerModelProxy.traceDuration();
 
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                var widthChanged = Math.abs(newWidth - rangeMover.getWidth()) > 1;
 
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                var leftChanged = Math.abs(newRangeX - rangeMover.getLeft()) > 1;
 
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                if (leftChanged)
 
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                    rangeMover.setLeft(newRangeX);
 
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                if (leftChanged || widthChanged)
 
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                    rangeMover.setRight(newRangeX + newWidth);
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            }
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        }
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    }
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    MouseArea {
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        anchors.fill: canvas
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        function jumpTo(posX) {
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            var newX = posX - rangeMover.width/2;
 
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            var rangeWidth = rangeMover.getWidth();
 
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            var newX = posX - rangeWidth / 2;
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            if (newX < 0)
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                newX = 0;
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            if (newX + rangeMover.width > canvas.width)
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                newX = canvas.width - rangeMover.width;
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            rangeMover.x = newX;
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            updateRange();
 
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            if (newX + rangeWidth > canvas.width)
 
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                newX = canvas.width - rangeWidth;
 
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            if (newX < rangeMover.getLeft()) {
 
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                rangeMover.setLeft(newX);
 
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                rangeMover.setRight(newX + rangeWidth);
 
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            } else if (newX > rangeMover.getLeft()) {
 
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                rangeMover.setRight(newX + rangeWidth);
 
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                rangeMover.setLeft(newX);
 
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            }
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        }
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        onPressed: {
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    RangeMover {
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        id: rangeMover
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        visible: dataReady
 
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        onRangeChanged: canvas.updateRange()
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    }
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    Rectangle {