forked from qt-creator/qt-creator
127 lines
4.1 KiB
QML
127 lines
4.1 KiB
QML
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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import QtQuick 1.0
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import Monitor 1.0
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import "Overview.js" as Plotter
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Canvas2D {
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id: canvas
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// ***** properties
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height: 50
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property bool dataReady: false
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property variant startTime : 0
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property variant endTime : 0
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// ***** functions
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function clearDisplay()
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{
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dataReady = false;
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requestRedraw();
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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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zoomControl.setRange(newStartTime, newEndTime);
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}
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}
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// ***** connections to external objects
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Connections {
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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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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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}
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}
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}
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Connections {
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target: qmlProfilerModelProxy
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onDataAvailable: {
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dataReady = true;
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requestRedraw();
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}
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}
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// ***** slots
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onDrawRegion: {
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Plotter.qmlProfilerModelProxy = qmlProfilerModelProxy;
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if (dataReady) {
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Plotter.plot(canvas, ctxt, region);
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} else {
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Plotter.drawGraph(canvas, ctxt, region) //just draw the background
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}
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}
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// ***** child items
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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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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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}
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onPressed: {
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jumpTo(mouse.x);
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}
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onMousePositionChanged: {
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jumpTo(mouse.x);
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}
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}
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RangeMover {
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id: rangeMover
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visible: dataReady
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}
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Rectangle {
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height: 1
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width: parent.width
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color: "#858585"
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}
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}
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