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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
import QtQuick 2.0
import QtQuick.Controls 1.4
import FlameGraph 1.0
import FlameGraphModel 1.0
ScrollView {
id: root
signal typeSelected(int typeIndex)
signal gotoSourceLocation(string filename, int line, int column)
property int selectedTypeId: -1
property int visibleRangeTypes: -1
Flickable {
id: flickable
contentHeight: flamegraph.height
boundsBehavior: Flickable.StopAtBounds
FlameGraph {
property int itemHeight: Math.max(30, flickable.height / depth)
property int level: -1
property color blue: "blue"
property color blue1: Qt.lighter(blue)
property color blue2: Qt.rgba(0.375, 0, 1, 1)
property color grey1: "#B0B0B0"
property color grey2: "#A0A0A0"
id: flamegraph
width: parent.width
height: depth * itemHeight
model: flameGraphModel
sizeRole: FlameGraphModel.Duration
sizeThreshold: 0.002
y: flickable.height > height ? flickable.height - height : 0
delegate: Item {
id: flamegraphItem
property int level: parent.level + (rangeTypeVisible ? 1 : 0)
property bool isSelected: flamegraphItem.FlameGraph.data(FlameGraphModel.TypeId) ===
root.selectedTypeId
property bool rangeTypeVisible: root.visibleRangeTypes &
(1 << FlameGraph.data(FlameGraphModel.RangeType))
Rectangle {
border.color: {
if (flamegraphItem.isSelected)
return flamegraph.blue2;
else if (mouseArea.containsMouse)
return flamegraph.blue1;
else
return flamegraph.grey1
}
border.width: (mouseArea.containsMouse || flamegraphItem.isSelected) ? 2 : 1
color: Qt.hsla((level % 12) / 72, 0.9 + Math.random() / 10,
0.45 + Math.random() / 10, 0.9 + Math.random() / 10);
height: flamegraphItem.rangeTypeVisible ? flamegraph.itemHeight : 0;
anchors.left: parent.left
anchors.right: parent.right
anchors.bottom: parent.bottom
FlameGraphText {
id: text
visible: width > 20
anchors.fill: parent
anchors.margins: 5
verticalAlignment: Text.AlignVCenter
horizontalAlignment: Text.AlignHCenter
text: visible ? buildText() : ""
elide: Text.ElideRight
wrapMode: Text.WrapAtWordBoundaryOrAnywhere
function buildText() {
if (!flamegraphItem.FlameGraph.dataValid)
return "<others>";
return flamegraphItem.FlameGraph.data(FlameGraphModel.Details) + " (" +
flamegraphItem.FlameGraph.data(FlameGraphModel.Type) + ", " +
flamegraphItem.FlameGraph.data(FlameGraphModel.TimeInPercent) + "%)";
}
}
MouseArea {
id: mouseArea
anchors.fill: parent
hoverEnabled: true
function printTime(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";
}
onEntered: {
var model = [];
function addDetail(name, index, format) {
model.push(name + ":");
model.push(format(flamegraphItem.FlameGraph.data(index)));
}
function noop(a) {
return a;
}
function addPercent(a) {
return a + "%";
}
if (!flamegraphItem.FlameGraph.dataValid) {
model.push(qsTr("Details") + ":");
model.push(qsTr("Various Events"));
} else {
addDetail(qsTr("Details"), FlameGraphModel.Details, noop);
addDetail(qsTr("Type"), FlameGraphModel.Type, noop);
addDetail(qsTr("Calls"), FlameGraphModel.CallCount, noop);
addDetail(qsTr("Total Time"), FlameGraphModel.Duration, printTime);
addDetail(qsTr("Mean Time"), FlameGraphModel.TimePerCall, printTime);
addDetail(qsTr("In Percent"), FlameGraphModel.TimeInPercent,
addPercent);
}
tooltip.model = model;
}
onExited: {
tooltip.model = [];
}
onClicked: {
if (flamegraphItem.FlameGraph.dataValid) {
root.typeSelected(
flamegraphItem.FlameGraph.data(FlameGraphModel.TypeId));
root.gotoSourceLocation(
flamegraphItem.FlameGraph.data(FlameGraphModel.Filename),
flamegraphItem.FlameGraph.data(FlameGraphModel.Line),
flamegraphItem.FlameGraph.data(FlameGraphModel.Column));
}
}
}
}
FlameGraph.onDataChanged: if (text.visible) text.text = text.buildText();
height: flamegraph.height - level * flamegraph.itemHeight;
width: parent === null ? flamegraph.width : parent.width * FlameGraph.relativeSize
x: parent === null ? 0 : parent.width * FlameGraph.relativePosition
}
}
Rectangle {
color: "white"
border.width: 1
border.color: flamegraph.grey2
width: tooltip.model.length > 0 ? tooltip.width + 10 : 0
height: tooltip.model.length > 0 ? tooltip.height + 10 : 0
y: flickable.contentY
x: anchorRight ? parent.width - width : 0
property bool anchorRight: true
Grid {
id: tooltip
anchors.margins: 5
anchors.top: parent.top
anchors.left: parent.left
spacing: 5
columns: 2
property var model: [ qsTr("No data available") ]
Connections {
target: flameGraphModel
onModelReset: {
tooltip.model = (flameGraphModel.rowCount() === 0) ?
[ qsTr("No data available") ] : [];
}
}
Repeater {
model: parent.model
FlameGraphText {
text: modelData
font.bold: (index % 2) === 0
width: Math.min(implicitWidth, 200)
elide: Text.ElideRight
}
}
}
MouseArea {
anchors.fill: parent
hoverEnabled: true
onEntered: parent.anchorRight = !parent.anchorRight
}
}
}
}
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