Files
qt-creator/src/plugins/qmlprofiler/qml/MainView.qml
Ulf Hermann 32c4d554e7 QmlProfiler: Make overview declarative
Using the TimelineRenderer's render passes we can as well draw the
overview in a nicer way without procedural painting.

Change-Id: I9464f10c52988a6af10c849878e678e4958a1057
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>
2014-12-15 14:52:17 +01:00

465 lines
16 KiB
QML

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import QtQuick 2.1
import QtQuick.Controls 1.0
Rectangle {
id: root
// ***** properties
property bool lockItemSelection : false
signal updateCursorPosition
property string fileName: ""
property int lineNumber: -1
property int columnNumber: 0
property int selectedModel: -1
property int selectedItem: -1
property bool selectionRangeMode: false
property bool selectionRangeReady: selectionRange.ready
property real selectionRangeStart: selectionRange.startTime
property real selectionRangeEnd: selectionRange.startTime + selectionRange.duration
property int typeId: content.typeId
onTypeIdChanged: updateCursorPosition()
color: "#dcdcdc"
// ***** connections with external objects
Connections {
target: zoomControl
onRangeChanged: {
zoomSliderToolBar.updateZoomLevel();
content.scroll();
// If you select something in the main view and then resize the current range by some
// other means, the selection should stay where it was.
var oldTimePerPixel = selectionRange.viewTimePerPixel;
selectionRange.viewTimePerPixel = zoomControl.rangeDuration / content.width;
if (selectionRange.creationState === selectionRange.creationFinished &&
oldTimePerPixel != selectionRange.viewTimePerPixel) {
var newWidth = selectionRange.rangeWidth * oldTimePerPixel /
selectionRange.viewTimePerPixel;
selectionRange.rangeLeft = selectionRange.rangeLeft * oldTimePerPixel /
selectionRange.viewTimePerPixel;
selectionRange.rangeRight = selectionRange.rangeLeft + newWidth;
}
}
onWindowChanged: {
content.scroll();
}
}
Connections {
target: timelineModelAggregator
onDataAvailable: {
content.clearChildren();
zoomControl.setRange(zoomControl.traceStart,
zoomControl.traceStart + zoomControl.traceDuration / 10);
}
}
onSelectionRangeModeChanged: {
selectionRange.reset();
buttonsBar.updateRangeButton(selectionRangeMode);
}
// ***** functions
function clear() {
content.clearChildren();
rangeDetails.hide();
selectionRangeMode = false;
zoomSlider.externalUpdate = true;
zoomSlider.value = zoomSlider.minimumValue;
}
function enableButtonsBar(enable) {
buttonsBar.enabled = enable;
}
function selectByTypeId(typeId)
{
if (lockItemSelection || typeId === -1)
return;
var itemIndex = -1;
var modelIndex = -1;
var notes = timelineModelAggregator.notesByTypeId(typeId);
if (notes.length !== 0) {
modelIndex = timelineModelAggregator.noteTimelineModel(notes[0]);
itemIndex = timelineModelAggregator.noteTimelineIndex(notes[0]);
} else {
for (modelIndex = 0; modelIndex < timelineModelAggregator.models.length; ++modelIndex) {
if (modelIndex === selectedModel && selectedItem !== -1 &&
typeId === timelineModelAggregator.models[modelIndex].typeId(selectedItem))
break;
if (!timelineModelAggregator.models[modelIndex].handlesTypeId(typeId))
continue;
itemIndex = timelineModelAggregator.models[modelIndex].nextItemByTypeId(typeId,
zoomControl.rangeStart, selectedItem);
if (itemIndex !== -1)
break;
}
}
if (itemIndex !== -1) {
// select an item, lock to it, and recenter if necessary
content.select(modelIndex, itemIndex);
content.selectionLocked = true;
}
}
focus: true
property bool shiftPressed: false;
Keys.onPressed: shiftPressed = (event.key === Qt.Key_Shift);
Keys.onReleased: shiftPressed = false;
TimelineLabels {
id: categories
anchors.top: buttonsBar.bottom
anchors.bottom: overview.top
anchors.left: parent.left
anchors.right: parent.right
contentY: content.contentY
selectedModel: root.selectedModel
selectedItem: root.selectedItem
color: root.color
modelProxy: timelineModelAggregator
zoomer: zoomControl
reverseSelect: shiftPressed
onMoveCategories: content.moveCategories(sourceIndex, targetIndex)
onSelectItem: content.select(modelIndex, eventIndex)
}
TimeDisplay {
id: timeDisplay
anchors.top: parent.top
anchors.left: buttonsBar.right
anchors.right: parent.right
anchors.bottom: overview.top
windowStart: zoomControl.windowStart
rangeDuration: Math.max(1, Math.round(zoomControl.rangeDuration))
contentX: content.contentX
clip: true
}
ButtonsBar {
id: buttonsBar
enabled: timelineModelAggregator.height > 0
anchors.top: parent.top
anchors.left: parent.left
width: 150
height: 24
onZoomControlChanged: zoomSliderToolBar.visible = !zoomSliderToolBar.visible
onFilterMenuChanged: filterMenu.visible = !filterMenu.visible
onJumpToNext: {
var next = timelineModelAggregator.nextItem(root.selectedModel, root.selectedItem,
zoomControl.rangeStart);
content.select(next.model, next.item);
}
onJumpToPrev: {
var prev = timelineModelAggregator.prevItem(root.selectedModel, root.selectedItem,
zoomControl.rangeEnd);
content.select(prev.model, prev.item);
}
onRangeSelectChanged: selectionRangeMode = rangeButtonChecked();
onLockChanged: content.selectionLocked = !lockButtonChecked();
}
TimelineContent {
id: content
anchors.left: buttonsBar.right
anchors.top: buttonsBar.bottom
anchors.bottom: overview.top
anchors.right: parent.right
selectionLocked: true
zoomer: zoomControl
modelProxy: timelineModelAggregator
onSelectionLockedChanged: {
buttonsBar.updateLockButton(selectionLocked);
}
onPropagateSelection: {
if (lockItemSelection || (newModel === selectedModel && newItem === selectedItem))
return;
lockItemSelection = true;
if (selectedModel !== -1 && selectedModel !== newModel)
select(selectedModel, -1);
selectedItem = newItem
selectedModel = newModel
if (selectedItem !== -1) {
// display details
rangeDetails.showInfo(selectedModel, selectedItem);
// update in other views
var model = timelineModelAggregator.models[selectedModel];
var eventLocation = model.location(selectedItem);
gotoSourceLocation(eventLocation.file, eventLocation.line,
eventLocation.column);
typeId = model.typeId(selectedItem);
} else {
rangeDetails.hide();
}
lockItemSelection = false;
}
onGotoSourceLocation: {
if (file !== undefined) {
root.fileName = file;
root.lineNumber = line;
root.columnNumber = column;
}
}
}
MouseArea {
id: selectionRangeControl
enabled: selectionRangeMode &&
selectionRange.creationState !== selectionRange.creationFinished
anchors.right: content.right
anchors.left: buttonsBar.right
anchors.top: content.top
anchors.bottom: content.bottom
hoverEnabled: enabled
z: 2
onReleased: {
if (selectionRange.creationState === selectionRange.creationSecondLimit) {
content.stayInteractive = true;
selectionRange.creationState = selectionRange.creationFinished;
}
}
onPressed: {
if (selectionRange.creationState === selectionRange.creationFirstLimit) {
content.stayInteractive = false;
selectionRange.setPos(selectionRangeControl.mouseX + content.contentX);
selectionRange.creationState = selectionRange.creationSecondLimit;
}
}
onPositionChanged: {
if (selectionRange.creationState === selectionRange.creationInactive)
selectionRange.creationState = selectionRange.creationFirstLimit;
if (selectionRangeControl.pressed ||
selectionRange.creationState !== selectionRange.creationFinished)
selectionRange.setPos(selectionRangeControl.mouseX + content.contentX);
}
onCanceled: pressed()
}
Flickable {
flickableDirection: Flickable.HorizontalFlick
clip: true
visible: selectionRangeMode &&
selectionRange.creationState !== selectionRange.creationInactive
interactive: false
x: content.x + content.flickableItem.x
y: content.y + content.flickableItem.y
height: content.flickableItem.height
width: content.flickableItem.width
contentX: content.contentX
contentWidth: content.contentWidth
SelectionRange {
id: selectionRange
zoomer: zoomControl
visible: parent.visible
onRangeDoubleClicked: {
zoomControl.setRange(startTime, endTime);
root.selectionRangeMode = false;
}
}
}
SelectionRangeDetails {
z: 1
x: 200
y: 125
id: selectionRangeDetails
visible: selectionRange.visible
startTime: selectionRange.startTime
duration: selectionRange.duration
endTime: selectionRange.endTime
showDuration: selectionRange.rangeWidth > 1
onRecenter: {
if ((selectionRange.startTime < zoomControl.rangeStart) ^
(selectionRange.endTime > zoomControl.rangeEnd)) {
var center = selectionRange.startTime + selectionRange.duration / 2;
var halfDuration = Math.max(selectionRange.duration, zoomControl.rangeDuration / 2);
zoomControl.setRange(center - halfDuration, center + halfDuration);
}
}
onClose: selectionRangeMode = false;
}
RangeDetails {
id: rangeDetails
z: 1
visible: false
x: 200
y: 25
property alias locked: content.selectionLocked
models: timelineModelAggregator.models
notes: timelineModelAggregator.notes
onRecenterOnItem: {
content.gotoSourceLocation(file, line, column);
content.select(selectedModel, selectedItem)
}
onToggleSelectionLocked: {
content.selectionLocked = !content.selectionLocked;
}
onClearSelection: {
content.propagateSelection(-1, -1);
}
}
Rectangle {
anchors.left: buttonsBar.right
anchors.bottom: overview.top
anchors.top: parent.top
width: 1
color: "#B0B0B0"
}
Rectangle {
id: filterMenu
color: "#9b9b9b"
enabled: buttonsBar.enabled
visible: false
width: buttonsBar.width
anchors.left: parent.left
anchors.top: buttonsBar.bottom
height: timelineModelAggregator.models.length * buttonsBar.height
Repeater {
id: filterMenuInner
model: timelineModelAggregator.models
CheckBox {
anchors.left: filterMenu.left
anchors.right: filterMenu.right
height: buttonsBar.height
y: index * height
text: modelData.displayName
enabled: !modelData.empty
checked: enabled && !modelData.hidden
onCheckedChanged: modelData.hidden = !checked
}
}
}
Rectangle {
id: zoomSliderToolBar
objectName: "zoomSliderToolBar"
color: "#9b9b9b"
enabled: buttonsBar.enabled
visible: false
width: buttonsBar.width
height: buttonsBar.height
anchors.left: parent.left
anchors.top: buttonsBar.bottom
function updateZoomLevel() {
zoomSlider.externalUpdate = true;
zoomSlider.value = Math.pow(zoomControl.rangeDuration /
Math.max(1, zoomControl.windowDuration),
1 / zoomSlider.exponent) * zoomSlider.maximumValue;
}
Slider {
id: zoomSlider
anchors.fill: parent
minimumValue: 1
maximumValue: 10000
stepSize: 100
property int exponent: 3
property bool externalUpdate: false
property int minWindowLength: 1e5 // 0.1 ms
onValueChanged: {
if (externalUpdate || zoomControl.windowEnd <= zoomControl.windowStart) {
// Zoom range is independently updated. We shouldn't mess
// with it here as otherwise we might introduce rounding
// or arithmetic errors.
externalUpdate = false;
return;
}
var windowLength = Math.max(
Math.pow(value / maximumValue, exponent) * zoomControl.windowDuration,
minWindowLength);
var fixedPoint = (zoomControl.rangeStart + zoomControl.rangeEnd) / 2;
if (root.selectedItem !== -1) {
// center on selected item if it's inside the current screen
var model = timelineModelAggregator.models[root.selectedModel]
var newFixedPoint = (model.startTime(root.selectedItem) +
model.endTime(root.selectedItem)) / 2;
if (newFixedPoint >= zoomControl.rangeStart &&
newFixedPoint < zoomControl.rangeEnd)
fixedPoint = newFixedPoint;
}
var startTime = Math.max(zoomControl.windowStart, fixedPoint - windowLength / 2)
zoomControl.setRange(startTime, startTime + windowLength);
}
}
}
Overview {
id: overview
height: 50
anchors.bottom: parent.bottom
anchors.right: parent.right
anchors.left: parent.left
modelProxy: timelineModelAggregator
zoomer: zoomControl
}
}