| /**************************************************************************** |
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| ** Copyright (C) 2017 The Qt Company Ltd. |
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| ** This file is part of the manual tests of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| import QtQuick 2.12 |
| import "qrc:/quick/shared/" as Examples |
| |
| Rectangle { |
| id: root |
| |
| Item { |
| id: flickArea |
| anchors.fill: parent |
| anchors.bottomMargin: bottomFlow.implicitHeight + 4 |
| clip: true |
| |
| Flickable { |
| id: flick |
| anchors.fill: parent |
| anchors.margins: 6 |
| contentWidth: text.implicitWidth |
| contentHeight: text.implicitHeight |
| pixelAligned: pxAlignCB.checked |
| synchronousDrag: syncDragCB.checked |
| Text { |
| id: text |
| text: "foo bar" |
| font.family: "mono" |
| } |
| onContentXChanged: canvas.requestPaint() |
| onContentYChanged: canvas.requestPaint() |
| } |
| |
| Timer { id: fadeTimer; interval: 1000; onTriggered: { hfade.start(); } } |
| |
| MouseArea { |
| id: verticalScrollArea |
| anchors { |
| right: parent.right |
| top: flick.top |
| bottom: flick.bottom |
| } |
| width: 36 |
| onMouseYChanged: { |
| var contentY = Math.min(height, mouseY) / height * (flick.contentHeight - height) |
| flick.contentY = Math.max(0, contentY) |
| } |
| onReleased: flick.returnToBounds() |
| Rectangle { |
| anchors.right: parent.right |
| anchors.margins: 2 |
| color: "darkgrey" |
| width: 20 |
| radius: 2 |
| antialiasing: true |
| height: flick.height * (flick.height / flick.contentHeight) - anchors.margins * 2 |
| y: flick.contentY * (flick.height / flick.contentHeight) |
| |
| Rectangle { |
| anchors.top: parent.top |
| width: parent.width |
| height: 6 |
| radius: 2 |
| color: "blue" |
| visible: flick.atYBeginning |
| } |
| |
| Rectangle { |
| anchors.top: parent.bottom |
| width: parent.width |
| height: 6 |
| radius: 2 |
| color: "blue" |
| visible: flick.atYEnd |
| } |
| |
| Text { |
| anchors.centerIn: parent |
| text: flick.contentY.toFixed(2) |
| rotation: 90 |
| style: Text.Outline |
| styleColor: "white" |
| color: "black" |
| } |
| |
| } |
| } |
| |
| Rectangle { |
| id: horizontalScrollDecorator |
| anchors.bottom: flick.bottom |
| anchors.bottomMargin: -4 |
| color: "darkgrey" |
| border.color: "black" |
| border.width: 1 |
| height: 5 |
| radius: 2 |
| antialiasing: true |
| width: flick.width * (flick.width / flick.contentWidth) - (height - anchors.margins) * 2 |
| x: flick.contentX * (flick.width / flick.contentWidth) |
| NumberAnimation on opacity { id: hfade; to: 0; duration: 500 } |
| onXChanged: { opacity = 1.0; fadeTimer.restart() } |
| } |
| |
| Canvas { |
| id: canvas |
| anchors.fill: parent |
| antialiasing: true |
| renderTarget: Canvas.FramebufferObject |
| onPaint: { |
| var ctx = canvas.getContext('2d'); |
| ctx.save() |
| ctx.clearRect(0, 0, canvas.width, canvas.height) |
| ctx.strokeStyle = "green" |
| ctx.fillStyle = "green" |
| ctx.lineWidth = 1 |
| |
| if (flick.horizontalVelocity) { |
| ctx.save() |
| ctx.beginPath() |
| ctx.translate((flick.horizontalVelocity < 0 ? width : 0), height / 2) |
| ctx.moveTo(0, 0) |
| var velScaled = flick.horizontalVelocity / 10 |
| var arrowOffset = (flick.horizontalVelocity < 0 ? 10 : -10) |
| ctx.lineTo(velScaled, 0) |
| ctx.lineTo(velScaled + arrowOffset, -4) |
| ctx.lineTo(velScaled + arrowOffset, 4) |
| ctx.lineTo(velScaled, 0) |
| ctx.closePath() |
| ctx.stroke() |
| ctx.fill() |
| ctx.restore() |
| } |
| |
| if (flick.verticalVelocity) { |
| ctx.save() |
| ctx.beginPath() |
| ctx.translate(width / 2, (flick.verticalVelocity < 0 ? height : 0)) |
| ctx.moveTo(0, 0) |
| var velScaled = flick.verticalVelocity / 10 |
| var arrowOffset = (flick.verticalVelocity < 0 ? 10 : -10) |
| ctx.lineTo(0, velScaled) |
| ctx.lineTo(-4, velScaled + arrowOffset) |
| ctx.lineTo(4, velScaled + arrowOffset) |
| ctx.lineTo(0, velScaled) |
| ctx.closePath() |
| ctx.stroke() |
| ctx.fill() |
| ctx.restore() |
| } |
| |
| ctx.restore() |
| } |
| } |
| } |
| |
| Row { |
| id: bottomFlow |
| anchors.bottom: parent.bottom |
| width: parent.width - 12 |
| x: 6 |
| spacing: 12 |
| |
| Item { |
| id: progFlickItem |
| width: progFlickRow.implicitWidth |
| height: progFlickRow.implicitHeight + 4 + flickingLabel.implicitHeight |
| Text { id: progLabel; text: "programmatic flick: h " + xvelSlider.value.toFixed(1) + " v " + yvelSlider.value.toFixed(1) } |
| Row { |
| id: progFlickRow |
| y: progLabel.height |
| spacing: 4 |
| |
| Column { |
| Examples.Slider { |
| id: xvelSlider |
| min: -5000 |
| max: 5000 |
| init: 5000 |
| width: 250 |
| name: "X" |
| minLabelWidth: 0 |
| } |
| Examples.Slider { |
| id: yvelSlider |
| min: -5000 |
| max: 5000 |
| init: 2500 |
| width: 250 |
| name: "Y" |
| minLabelWidth: 0 |
| } |
| } |
| |
| Grid { |
| columns: 2 |
| spacing: 2 |
| Examples.Button { |
| text: "flick" |
| onClicked: flick.flick(xvelSlider.value, yvelSlider.value) |
| width: zeroButton.width |
| } |
| Examples.Button { |
| text: "cancel" |
| onClicked: flick.cancelFlick() |
| width: zeroButton.width |
| } |
| Examples.Button { |
| id: zeroButton |
| text: "<- zero" |
| onClicked: { |
| xvelSlider.setValue(5000) |
| yvelSlider.setValue(5000) |
| } |
| } |
| Examples.Button { |
| text: "home" |
| width: zeroButton.width |
| onClicked: { |
| flick.contentX = 0 |
| flick.contentY = 0 |
| } |
| } |
| } |
| } |
| } |
| |
| Column { |
| height: parent.height |
| width: movingLabel.implicitWidth * 1.5 |
| spacing: 2 |
| Text { |
| id: movingLabel |
| text: "moving:" |
| color: flick.moving ? "green" : "black" |
| } |
| Rectangle { |
| width: parent.width |
| height: hVelLabel.implicitHeight + 4 |
| color: flick.movingHorizontally ? "green" : "darkgrey" |
| Text { |
| id: hVelLabel |
| anchors.centerIn: parent |
| color: "white" |
| text: "h " + flick.horizontalVelocity.toFixed(2) |
| } |
| } |
| Rectangle { |
| width: parent.width |
| height: vVelLabel.implicitHeight + 4 |
| color: flick.movingVertically ? "green" : "darkgrey" |
| Text { |
| id: vVelLabel |
| anchors.centerIn: parent |
| color: "white" |
| text: "v " + flick.verticalVelocity.toFixed(2) |
| } |
| } |
| } |
| |
| Column { |
| height: parent.height |
| width: draggingLabel.implicitWidth |
| spacing: 2 |
| Text { |
| id: draggingLabel |
| text: "dragging:" |
| color: flick.dragging ? "green" : "black" |
| } |
| Rectangle { |
| width: draggingLabel.implicitWidth |
| height: hVelLabel.implicitHeight + 4 |
| color: flick.draggingHorizontally ? "green" : "darkgrey" |
| Text { |
| anchors.centerIn: parent |
| color: "white" |
| text: "h" |
| } |
| } |
| Rectangle { |
| width: draggingLabel.implicitWidth |
| height: vVelLabel.implicitHeight + 4 |
| color: flick.draggingVertically ? "green" : "darkgrey" |
| Text { |
| anchors.centerIn: parent |
| color: "white" |
| text: "v" |
| } |
| } |
| } |
| |
| Column { |
| height: parent.height |
| width: flickingLabel.implicitWidth |
| spacing: 2 |
| Text { |
| id: flickingLabel |
| text: "flicking:" |
| color: flick.flicking ? "green" : "black" |
| } |
| Rectangle { |
| width: flickingLabel.implicitWidth |
| height: hVelLabel.implicitHeight + 4 |
| color: flick.flickingHorizontally ? "green" : "darkgrey" |
| Text { |
| anchors.centerIn: parent |
| color: "white" |
| text: "h" |
| } |
| } |
| Rectangle { |
| width: flickingLabel.implicitWidth |
| height: vVelLabel.implicitHeight + 4 |
| color: flick.flickingVertically ? "green" : "darkgrey" |
| Text { |
| anchors.centerIn: parent |
| color: "white" |
| text: "v" |
| } |
| } |
| } |
| |
| Column { |
| spacing: 2 |
| Examples.CheckBox { |
| id: pxAlignCB |
| text: "pixel aligned" |
| } |
| Examples.CheckBox { |
| id: syncDragCB |
| text: "synchronous drag" |
| } |
| Text { |
| text: "content X " + flick.contentX.toFixed(2) + " Y " + flick.contentY.toFixed(2) |
| } |
| } |
| } |
| |
| Component.onCompleted: { |
| var request = new XMLHttpRequest() |
| request.open('GET', 'qrc:/flicktext.qml') |
| request.onreadystatechange = function(event) { |
| if (request.readyState === XMLHttpRequest.DONE) |
| text.text = request.responseText |
| } |
| request.send() |
| } |
| } |