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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
import QtCreator.Tracing
import QtQml
import QtQuick
import QtQuick.Controls
import QtQuick.Controls.Material
ScrollView {
id: root
property int selectedTypeId: -1
signal typeSelected(int typeId)
onSelectedTypeIdChanged: {
// selectedTypeId can be set from outside. Don't send typeSelected() from here.
tooltip.hoveredNode = null;
flamegraph.selectedTypeId = selectedTypeId;
}
function resetRoot() { flamegraph.resetRoot(); }
property bool zoomed: flamegraph.zoomed
property var sizeRole: modes[Math.max(0, modesMenu.currentIndex)]
property var model: null
property int typeIdRole: -1
property int sourceFileRole: -1
property int sourceLineRole: -1
property int sourceColumnRole: -1
property int detailsTitleRole: -1
property int summaryRole: -1
property int noteRole: -1
property var trRoleNames: ({})
property var modes: []
property var details: function(flameGraph) { return []; }
property var summary: function(attached) {
if (!attached.dataValid)
return qsTranslate("Tracing", "others");
return attached.data(summaryRole) + " (" + percent(sizeRole, attached) + "%)";
}
property var isHighlighted: function(node) {
return false;
}
function percent(role, attached) {
return Math.round(attached.data(role) / flamegraph.total(role) * 1000) / 10;
}
function toMap(previousValue, currentValue, currentIndex, array) {
if (currentIndex % 2 === 1)
previousValue[array[currentIndex - 1]] = array[currentIndex];
return previousValue;
}
function addDetail(role, format, model, attached) {
model.push(trRoleNames[role]);
model.push(format(role, attached)
+ (modes.indexOf(role) >= 0 ? " (" + percent(role, attached) + "%)" : ""));
}
property var detailFormats: {
"noop": function(role, flameGraph) {
return flameGraph.data(role);
},
"addLine": function(role, flameGraph) {
var result = flameGraph.data(role);
var line = flameGraph.data(root.sourceLineRole);
return line > 0 ? result + ":" + line : result;
},
"printTime": function(role, flameGraph) {
var time = flameGraph.data(role);
if (time <= 0)
return "0";
if (time < 1000)
return time + " ns";
time = Math.floor(time / 1000);
if (time < 1000)
return time + " μs";
if (time < 1e6)
return (time / 1000) + " ms";
return (time / 1e6) + " s";
},
"printMemory": function(role, flameGraph) {
var bytes = flameGraph.data(role);
if (bytes === 0)
return "0b";
var units = ["b", "kb", "Mb", "Gb"];
var div = 1;
for (var i = 0; i < units.length; ++i, div *= 1024) {
if (bytes > div * 1024)
continue;
bytes /= div;
var digitsAfterDot = Math.round(3 - Math.log(bytes) / Math.LN10);
var multiplier = Math.pow(10, digitsAfterDot);
return Math.round(bytes * multiplier) / multiplier + units[i];
}
}
}
Flickable {
id: flickable
contentHeight: flamegraph.height
boundsBehavior: Flickable.StopAtBounds
FlameGraph {
property int delegateHeight: Math.min(60, Math.max(30, flickable.height / depth))
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 highlight: Theme.color(Theme.Timeline_HighlightColor)
id: flamegraph
width: parent.width
height: Math.max(depth * delegateHeight, flickable.height)
model: root.model
sizeRole: root.sizeRole
sizeThreshold: 0.002
maximumDepth: 128
y: flickable.height > height ? flickable.height - height : 0
onSelectedTypeIdChanged: (selectedTypeId) => {
if (selectedTypeId !== root.selectedTypeId) {
// Change originates from inside. Send typeSelected().
root.selectedTypeId = selectedTypeId;
root.typeSelected(selectedTypeId);
}
}
delegate: FlameGraphDelegate {
id: flamegraphItem
property var typeId: FlameGraph.data(root.typeIdRole) || -1
property bool isHighlighted: root.isHighlighted(flamegraphItem)
itemHeight: flamegraph.delegateHeight
isSelected: typeId !== -1 && typeId === flamegraph.selectedTypeId
borderColor: {
if (isSelected)
return flamegraph.blue2;
else if (tooltip.currentNode === flamegraphItem)
return flamegraph.blue1;
else if (note() !== "" || isHighlighted)
return flamegraph.highlight;
else
return flamegraph.grey1;
}
borderWidth: {
if (tooltip.currentNode === flamegraphItem) {
return 2;
} else if (note() !== "" || isHighlighted) {
return 3;
} else {
return 1;
}
}
onIsSelectedChanged: {
if (isSelected && (tooltip.selectedNode === null ||
tooltip.selectedNode.typeId !== flamegraph.selectedTypeId)) {
tooltip.selectedNode = flamegraphItem;
} else if (!isSelected && tooltip.selectedNode === flamegraphItem) {
tooltip.selectedNode = null;
}
}
text: textVisible ? root.summary(FlameGraph) : ""
FlameGraph.onModelIndexChanged: {
if (textVisible)
text = root.summary(FlameGraph);
// refresh to trigger reevaluation
if (tooltip.selectedNode == flamegraphItem) {
var selectedNode = tooltip.selectedNode;
tooltip.selectedNode = null;
tooltip.selectedNode = selectedNode;
}
if (tooltip.hoveredNode == flamegraphItem) {
var hoveredNode = tooltip.hoveredNode;
tooltip.hoveredNode = null;
tooltip.hoveredNode = hoveredNode;
}
}
onMouseEntered: {
tooltip.hoveredNode = flamegraphItem;
}
onMouseExited: {
if (tooltip.hoveredNode === flamegraphItem) {
// Keep the window around until something else is hovered or selected.
if (tooltip.selectedNode === null
|| tooltip.selectedNode.typeId !== flamegraph.selectedTypeId) {
tooltip.selectedNode = flamegraphItem;
}
tooltip.hoveredNode = null;
}
}
function selectClicked() {
if (FlameGraph.dataValid) {
tooltip.selectedNode = flamegraphItem;
flamegraph.selectedTypeId = FlameGraph.data(root.typeIdRole);
model.gotoSourceLocation(
FlameGraph.data(root.sourceFileRole),
FlameGraph.data(root.sourceLineRole),
FlameGraph.data(root.sourceColumnRole));
}
}
onClicked: selectClicked()
onDoubleClicked: {
tooltip.selectedNode = null;
tooltip.hoveredNode = null;
flamegraph.root = FlameGraph.modelIndex;
selectClicked();
}
// Functions, not properties to limit the initial overhead when creating the nodes,
// and because FlameGraph.data(...) cannot be notified anyway.
function title() {
return FlameGraph.data(root.detailsTitleRole)
|| qsTranslate("Tracing", "unknown");
}
function note() {
return FlameGraph.data(root.noteRole) || "";
}
function details() {
return root.details(FlameGraph);
}
}
}
RangeDetails {
id: tooltip
minimumX: 0
maximumX: flickable.width
minimumY: flickable.contentY
maximumY: flickable.contentY + flickable.height
noteReadonly: true
borderWidth: 0
property var hoveredNode: null;
property var selectedNode: null;
property var currentNode: {
if (!locked && hoveredNode !== null)
return hoveredNode;
else if (selectedNode !== null)
return selectedNode;
else
return null;
}
dialogTitle: {
if (currentNode)
return currentNode.title();
else if (root.model === null || root.model.rowCount() === 0)
return qsTranslate("Tracing", "No data available");
else
return "";
}
model: currentNode ? currentNode.details() : []
noteText: currentNode ? currentNode.note() : ""
Connections {
target: root.model
function onModelReset() {
tooltip.hoveredNode = null;
tooltip.selectedNode = null;
}
}
}
ComboBox {
id: modesMenu
width: 260 // TODO: Use implicitContentWidthPolicy (Qt6-only)
x: flickable.width - width
y: flickable.contentY
model: root.modes.map(function(role) { return root.trRoleNames[role] });
}
}
}
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