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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
import QtQuick 2.1
RangeMover {
id: selectionRange
property bool ready: visible && creationState === 3
property string startTimeString: detailedPrintTime(startTime)
property string endTimeString: detailedPrintTime(startTime+duration)
property string durationString: detailedPrintTime(duration)
property double startTime: rangeLeft * viewTimePerPixel + zoomControl.windowStart()
property double duration: Math.max(rangeWidth * viewTimePerPixel, 500)
property double viewTimePerPixel: 1
property double creationReference : 0
property int creationState : 0
Connections {
target: zoomControl
onRangeChanged: {
var oldTimePerPixel = selectionRange.viewTimePerPixel;
selectionRange.viewTimePerPixel = Math.abs(zoomControl.endTime() - zoomControl.startTime()) / view.intWidth;
if (creationState === 3 && oldTimePerPixel != selectionRange.viewTimePerPixel) {
var newWidth = rangeWidth * oldTimePerPixel / viewTimePerPixel;
rangeLeft = rangeLeft * oldTimePerPixel / viewTimePerPixel;
rangeRight = rangeLeft + newWidth;
}
}
}
onRangeDoubleClicked: {
zoomControl.setRange(startTime, startTime + duration);
root.selectionRangeMode = false;
}
function reset() {
rangeRight = rangeLeft + 1;
creationState = 0;
creationReference = 0;
}
function setPos(pos) {
if (pos < 0)
pos = 0;
else if (pos > width)
pos = width;
switch (creationState) {
case 1:
creationReference = pos;
rangeLeft = pos;
rangeRight = pos + 1;
break;
case 2:
if (pos > creationReference) {
rangeLeft = creationReference;
rangeRight = pos;
} else if (pos < creationReference) {
rangeLeft = pos;
rangeRight = creationReference;
}
break;
}
}
function detailedPrintTime( t )
{
if (t <= 0) return "0";
if (t<1000) return t+" ns";
t = Math.floor(t/1000);
if (t<1000) return t+" μs";
if (t<1e6) return (t/1000) + " ms";
return (t/1e6) + " s";
}
// creation control
function releasedOnCreation() {
if (selectionRange.creationState === 2) {
flick.stayInteractive = true;
selectionRange.creationState = 3;
selectionRangeControl.enabled = false;
}
}
function pressedOnCreation() {
if (selectionRange.creationState === 1) {
flick.stayInteractive = false;
selectionRange.setPos(selectionRangeControl.mouseX + flick.contentX);
selectionRange.creationState = 2;
}
}
function movedOnCreation() {
if (selectionRange.creationState === 0) {
selectionRange.creationState = 1;
}
if (!selectionRangeControl.pressed && selectionRange.creationState==3)
return;
selectionRange.setPos(selectionRangeControl.mouseX + flick.contentX);
}
}
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