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QmlProfiler: zoom in and out controls

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Change-Id: I920aae3075269e4f2fd1be15e9ca3cc4e08ac7a7
Reviewed-on: http://codereview.qt.nokia.com/826
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>
This commit is contained in:
Christiaan Janssen
2011-06-27 18:25:50 +02:00
parent 949ffeb1b4
commit faaf318634
7 changed files with 102 additions and 41 deletions
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42
src/plugins/qmlprofiler/qml/MainView.qml
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@@ -81,9 +81,9 @@ Rectangle {
var startTime = Plotter.ranges[0].start;
if (rangeMover.value + startTime> event.start) {
rangeMover.x = Math.max(0,
Math.floor((event.start - startTime) / xs - canvas.canvasWindow.x - rangeMover.width/2) );
} else if (rangeMover.value + startTime + rangeMover.width * xs < event.start + event.duration) {
rangeMover.x = Math.floor((event.start + event.duration - startTime) / xs - canvas.canvasWindow.x - rangeMover.width/2);
Math.floor((event.start - startTime) / xs - canvas.canvasWindow.x - rangeMover.zoomWidth/2) );
} else if (rangeMover.value + startTime + rangeMover.zoomWidth * xs < event.start + event.duration) {
rangeMover.x = Math.floor((event.start + event.duration - startTime) / xs - canvas.canvasWindow.x - rangeMover.zoomWidth/2);
}
}
}
@@ -104,6 +104,30 @@ Rectangle {
}
}
function zoomIn() {
// 10%
var newZoom = rangeMover.zoomWidth / 1.1;
// 0.1 ms minimum zoom
if (newZoom * Plotter.xScale(canvas) > 100000) {
hideRangeDetails();
rangeMover.zoomWidth = newZoom
rangeMover.updateZoomControls();
}
}
function zoomOut() {
hideRangeDetails();
// 10%
var newZoom = rangeMover.zoomWidth * 1.1;
if (newZoom > canvas.width)
newZoom = canvas.width;
if (newZoom + rangeMover.x > canvas.width)
rangeMover.x = canvas.width - newZoom;
rangeMover.zoomWidth = newZoom;
rangeMover.updateZoomControls();
}
//handle debug data coming from C++
Connections {
target: connection
@@ -173,7 +197,7 @@ Rectangle {
anchors.left: flick.left
anchors.right: flick.right
startTime: rangeMover.x * Plotter.xScale(canvas);
endTime: (rangeMover.x + rangeMover.width) * Plotter.xScale(canvas);
endTime: (rangeMover.x + rangeMover.zoomWidth) * Plotter.xScale(canvas);
}
function hideRangeDetails() {
@@ -227,13 +251,7 @@ Rectangle {
flick.contentX = startX
}
startTime: rangeMover.value
property real prevXStep: -1
property real possibleEndTime: startTime + (rangeMover.width*Plotter.xScale(canvas))
onPossibleEndTimeChanged: {
prevXStep = canvas.canvasWindow.x;
endTime = possibleEndTime
}
endTime: startTime + (rangeMover.zoomWidth*Plotter.xScale(canvas))
onEndTimeChanged: updateTimeline()
delegate: Rectangle {
@@ -413,7 +431,7 @@ Rectangle {
MouseArea {
anchors.fill: canvas
//### ideally we could press to position then immediately drag
onPressed: rangeMover.x = mouse.x - rangeMover.width/2
onPressed: rangeMover.x = mouse.x - rangeMover.zoomWidth/2
}
RangeMover {

87
src/plugins/qmlprofiler/qml/RangeMover.qml
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@@ -37,60 +37,80 @@ import Monitor 1.0
Item {
id: rangeMover
width: rect.width; height: 50
property real prevXStep: -1
property real possibleValue: (canvas.canvasWindow.x + x) * Plotter.xScale(canvas)
onPossibleValueChanged: {
prevXStep = canvas.canvasWindow.x;
if (value != possibleValue)
value = possibleValue;
property color lighterColor:"#cc80b2f6"
property color darkerColor:"#cc6da1e8"
property real value: (canvas.canvasWindow.x + x) * Plotter.xScale(canvas)
property real zoomWidth: 20
function updateZoomControls() {
rightRange.x = rangeMover.width;
}
onXChanged: updateZoomControls();
property real value
width: Math.max(rangeMover.zoomWidth, 20); height: 50
MouseArea {
anchors.fill: parent
drag.target: rangeMover
drag.axis: "XAxis"
drag.minimumX: 0
drag.maximumX: canvas.width - rangeMover.width //###
drag.maximumX: canvas.width - rangeMover.zoomWidth //###
}
Rectangle {
id: frame
color:"transparent"
border.width: 1
border.color: darkerColor
anchors.fill: parent
anchors.rightMargin: 1
anchors.bottomMargin: 1
}
Rectangle {
id: rect
color: "#cc80b2f6"
width: 20
color: lighterColor
width: parent.zoomWidth
height: parent.height
}
Rectangle {
id: leftRange
property int currentX: rangeMover.x
property int currentWidth : rect.width
property int currentWidth : rangeMover.zoomWidth
x: -width
height: parent.height
width: 5
color: Qt.darker(rect.color);
opacity: 0.3
width: 15
color: darkerColor
Text {
anchors.centerIn: parent
text:"<"
}
MouseArea {
anchors.fill: parent
drag.target: leftRange
drag.axis: "XAxis"
drag.minimumX: -parent.currentX
drag.maximumX: parent.currentWidth - 20
drag.maximumX: parent.currentWidth - width - 1
onPressed: {
parent.currentX = rangeMover.x;
parent.currentWidth = rect.width;
parent.currentWidth = rangeMover.zoomWidth;
}
}
onXChanged: {
if (x!=0) {
rect.width = currentWidth - x;
rangeMover.x = currentX + x;
x = 0;
if (x + width != 0) {
rangeMover.zoomWidth = currentWidth - x - width;
rangeMover.x = currentX + x + width;
x = -width;
}
}
}
@@ -98,23 +118,32 @@ Item {
Rectangle {
id: rightRange
property int currentX: rangeMover.x
property int widthSpace: rangeMover.width - rangeMover.zoomWidth
height: parent.height
width: 5
anchors.right: parent.right
color: Qt.darker(rect.color);
opacity: 0.3
width: 15
x: rangeMover.width
color: darkerColor;
Text {
anchors.centerIn: parent
text:">"
}
MouseArea {
anchors.fill: parent
drag.target: rightRange
drag.axis: "XAxis"
drag.minimumX: 15
drag.minimumX: 1 + parent.widthSpace
drag.maximumX: canvas.width - parent.currentX;
onPressed: parent.currentX = rangeMover.x;
onPressed: {
parent.currentX = rangeMover.x;
parent.widthSpace = rangeMover.width - rangeMover.zoomWidth;
}
onReleased: rightRange.x = rangeMover.width;
}
onXChanged: {
if (x != rect.width - width) {
rect.width = x + width;
if (x != rangeMover.width) {
rangeMover.zoomWidth = x - widthSpace;
}
}
}

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src/plugins/qmlprofiler/qml/magnifier-minus.png Normal file
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src/plugins/qmlprofiler/qml/magnifier-plus.png Normal file
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2
src/plugins/qmlprofiler/qml/qml.qrc
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@@ -14,5 +14,7 @@
<file>prev.png</file>
<file>next.png</file>
<file>toolbarbg.png</file>
<file>magnifier-minus.png</file>
<file>magnifier-plus.png</file>
</qresource>
</RCC>

10
src/plugins/qmlprofiler/tracewindow.cpp
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@@ -295,8 +295,16 @@ TraceWindow::TraceWindow(QWidget *parent)
QToolButton *buttonNext= new QToolButton;
buttonNext->setIcon(QIcon(":/qmlprofiler/next.png"));
connect(buttonNext, SIGNAL(clicked()), this, SIGNAL(jumpToNext()));
QToolButton *buttonZoomIn = new QToolButton;
buttonZoomIn->setIcon(QIcon(":/qmlprofiler/magnifier-plus.png"));
connect(buttonZoomIn, SIGNAL(clicked()), this, SIGNAL(zoomIn()));
QToolButton *buttonZoomOut = new QToolButton;
buttonZoomOut->setIcon(QIcon(":/qmlprofiler/magnifier-minus.png"));
connect(buttonZoomOut, SIGNAL(clicked()), this, SIGNAL(zoomOut()));
toolBarLayout->addWidget(buttonPrev);
toolBarLayout->addWidget(buttonNext);
toolBarLayout->addWidget(buttonZoomIn);
toolBarLayout->addWidget(buttonZoomOut);
m_view->setResizeMode(QDeclarativeView::SizeRootObjectToView);
m_view->setFocus();
@@ -330,6 +338,8 @@ void TraceWindow::reset(QDeclarativeDebugConnection *conn)
connect(m_view->rootObject(), SIGNAL(updateTimer()), this, SLOT(updateTimer()));
connect(this, SIGNAL(jumpToPrev()), m_view->rootObject(), SLOT(prevEvent()));
connect(this, SIGNAL(jumpToNext()), m_view->rootObject(), SLOT(nextEvent()));
connect(this, SIGNAL(zoomIn()), m_view->rootObject(), SLOT(zoomIn()));
connect(this, SIGNAL(zoomOut()), m_view->rootObject(), SLOT(zoomOut()));
connect(this, SIGNAL(internalClearDisplay()), m_view->rootObject(), SLOT(clearAll()));
}

2
src/plugins/qmlprofiler/tracewindow.h
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@@ -78,6 +78,8 @@ signals:
void internalClearDisplay();
void jumpToPrev();
void jumpToNext();
void zoomIn();
void zoomOut();
private:
QWeakPointer<TracePlugin> m_plugin;