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TimePickerCircular.qml
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TimePickerCircular.qml
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import QtQuick 2.7
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.1
Item {
id: timePickerBase
property color circleColor: "gray"
property color dotColor: "red"
property color textColor: "black"
property color backgroundColor: "white"
property int initialHour: 10
property int initialMinute: 25
property int selectedHour: initialHour
property int selectedMinute: initialMinute
property bool pm: initialHour >= 12
signal hourChanged(var hour)
signal minuteChanged(var minute)
signal timeChanged(var hour, var minute)
signal okClicked(var hour, var minute)
signal cancelled()
property real buttonSize: 50
anchors.fill: parent
states: [
State {
name: "vertical"
AnchorChanges {
target: buttonRect
anchors.bottom: timePickerBase.bottom
anchors.left: timePickerBase.left
anchors.right: timePickerBase.right
anchors.top: undefined
}
PropertyChanges {
target: buttonRect
height: buttonSize
width: undefined
visible: true
}
AnchorChanges {
target: displayRect
anchors.top: timePickerBase.top
anchors.left: timePickerBase.left
anchors.right: timePickerBase.right
anchors.bottom: undefined
}
PropertyChanges {
target: displayRect
height: Math.max(buttonSize, timePickerBase.height-timePickerBase.width-buttonRect.height)
width: undefined
}
AnchorChanges {
target: timePickerBox
anchors.top: displayRect.bottom
anchors.bottom: buttonRect.top
anchors.left: undefined
anchors.right: undefined
anchors.horizontalCenter: timePickerBase.horizontalCenter
anchors.verticalCenter: undefined
}
PropertyChanges {
target: timePickerBox
width: height
height: undefined
}
},
State {
name: "horizontal"
AnchorChanges {
target: buttonRect
anchors.right: timePickerBase.right
anchors.top: timePickerBase.top
anchors.bottom: timePickerBase.bottom
anchors.left: undefined
}
PropertyChanges {
target: buttonRect
width: 2.2 * buttonSize
height: undefined
visible: true
}
AnchorChanges {
target: displayRect
anchors.left: timePickerBase.left
anchors.top: timePickerBase.top
anchors.bottom: timePickerBase.bottom
anchors.right: undefined
}
PropertyChanges {
target: displayRect
height: undefined
width: Math.max(buttonSize, timePickerBase.width-timePickerBase.height-buttonRect.width)
}
AnchorChanges {
target: timePickerBox
anchors.left: displayRect.right
anchors.right: buttonRect.left
anchors.verticalCenter: timePickerBase.verticalCenter
}
PropertyChanges {
target: timePickerBox
height: width
}
}
]
state: timePickerBase.width < timePickerBase.height ? "vertical" : "horizontal"
MouseArea {
anchors.fill: parent // to prevent mouse event to slip through
}
Component.onCompleted: {
textInput.forceActiveFocus()
}
onVisibleChanged: {
if (visible) {
textInput.forceActiveFocus()
var dummy
textInput.onFocusChanged(dummy) //nessecary, perhaps because it may STILL have had the Focus
}
}
Rectangle {
id: displayRect
function timeString(){
var mPre = timePickerBase.selectedMinute < 10 ? "0" : ""
var hPre = timePickerBase.selectedHour < 10 ? "0" : ""
return hPre + timePickerBase.selectedHour + ":" + mPre + timePickerBase.selectedMinute
}
color: timePickerBase.backgroundColor
visible: true
TextInput {
id: textInput
anchors.centerIn: parent
inputMask: "00:00"
text: displayRect.timeString()
font.pointSize: Math.max(1, Math.min(displayRect.height / 1.3, displayRect.width / 3.9))
validator: RegExpValidator { regExp: /^(?:(?:([01]?\d|2[0-3]):)?([0-5]?\d))$/ }
cursorVisible: true
inputMethodHints: Qt.ImhTime
onAccepted: {
timePickerBase.okClicked(timePickerBase.selectedHour, timePickerBase.selectedMinute)
}
onFocusChanged: {
cursorPosition = 0
cursorVisible = focus
}
onActiveFocusChanged: {
var dummy
onFocusChanged(dummy)
}
onEditingFinished: {
timeChanged(timePickerBase.selectedHour, timePickerBase.selectedMinute)
}
onTextChanged: {
timePickerBase.selectedHour=textInput.text.substring(0,2).valueOf()
timePickerBase.selectedMinute=textInput.text.substring(3,5).valueOf()
timePickerBase.pm = timePickerBase.selectedHour >=12
}
Keys.onPressed: {
if (event.key === 50 && cursorPosition === 0 && text.substring(1,1) < 2) {
if (text.substring(2,1) > 3) {
text = 2+"0"+text.substring(2,5)
cursorPosition = 0
}
}
if (event.key === Qt.Key_Escape) {
event.accepted = true
okButton.onClicked()
} else {
event.accepted = false
}
}
}
}
Rectangle {
id: buttonRect
anchors.bottom: timePickerBase.bottom
anchors.left: timePickerBase.left
anchors.right: timePickerBase.right
height: buttonSize
width : buttonSize * 4
color: timePickerBase.backgroundColor
visible: true
GridLayout {
anchors.margins: 0
property real minButtonWidth: buttonRect.width / 4.4
columnSpacing: 3
anchors.fill: parent
flow: timePickerBase.state === "vertical" ? GridLayout.LeftToRight : GridLayout.TopToBottom
Button {
id: amButton
enabled: timePickerBase.pm ? true : false
Layout.maximumWidth: timePickerBase.state === "vertical" ? buttonRect.width / 4.4 : buttonRect.width
Layout.maximumHeight: timePickerBase.state === "vertical" ? buttonRect.height : buttonRect.height / 4.4
Layout.alignment: Qt.AlignHCenter | Qt.AlignVCenter
text: "AM"
onClicked: {
timePickerBase.selectedHour -= 12
timePickerBase.pm = false
timePickerBase.hourChanged(timePickerBase.selectedHour)
timePickerBase.timeChanged(timePickerBase.selectedHour, timePickerBase.selectedMinute)
}
}
Button {
id: pmButton
enabled: timePickerBase.pm ? false : true
Layout.maximumWidth: timePickerBase.state === "vertical" ? buttonRect.width / 4.4 : buttonRect.width
Layout.maximumHeight: timePickerBase.state === "vertical" ? buttonRect.height : buttonRect.height / 4.4
Layout.alignment: Qt.AlignHCenter | Qt.AlignVCenter
text: "PM"
onClicked: {
timePickerBase.selectedHour += 12
timePickerBase.pm = true
timePickerBase.hourChanged(timePickerBase.selectedHour)
timePickerBase.timeChanged(timePickerBase.selectedHour, timePickerBase.selectedMinute)
}
}
Rectangle {
Layout.fillWidth: true
Layout.fillHeight: true
visible: true
color: timePickerBase.backgroundColor
}
Button {
id: cancelButton
Layout.maximumWidth: timePickerBase.state === "vertical" ? buttonRect.width / 4.4 : buttonRect.width
Layout.maximumHeight: timePickerBase.state === "vertical" ? buttonRect.height : buttonRect.height / 4.4
Layout.alignment: Qt.AlignHCenter | Qt.AlignVCenter
text: "Cancel"
onClicked: {
timePickerBase.cancelled()
timePickerCircle.state = "hours"
}
}
Button {
id: okButton
Layout.maximumWidth: timePickerBase.state === "vertical" ? buttonRect.width / 4.4 : buttonRect.width
Layout.maximumHeight: timePickerBase.state === "vertical" ? buttonRect.height : buttonRect.height / 4.4
Layout.alignment: Qt.AlignHCenter | Qt.AlignVCenter
text: "OK"
onClicked: {
timePickerBase.okClicked(timePickerBase.selectedHour, timePickerBase.selectedMinute)
timePickerCircle.state = "hours"
}
}
}
}
Rectangle {
visible: true
id: timePickerBox
x: 60
y: 160
width: 100
height: 100
color: timePickerBase.backgroundColor
QtObject {
id: priv
property real outerSize: Math.min(timePickerBox.width, timePickerBox.height)
property real dotSize: outerSize / 9
property real centerX: outerSize / 2
property real centerY: outerSize / 2
property real outerRadius: (outerSize - dotSize * 1.3) / 2
property real minRadius: outerRadius - dotSize * 2
property real maxRadius: 2 * dotSize + outerSize / 2
property point initialPos: timePickerCircle.getPosFromTime(timePickerBase.initialHour, timePickerBase.initialMinute)
}
Rectangle {
id: timePickerCircle
state: "hours"
states: [
State {
name: "hours"
},
State {
name: "minutes"
}
]
onVisibleChanged: state = "hours"
onStateChanged: {
outerMouseArea.targetX = Qt.binding(function() { return priv.initialPos.x + priv.dotSize/2 })
outerMouseArea.targetY = Qt.binding(function() { return priv.initialPos.y + priv.dotSize/2 })
}
function getAngleFromPosition(x,y) {
x = x - priv.centerX
y = - (y - priv.centerY)
var angle = Math.atan2(x, y)
return angle < 0 ? angle + 2 * Math.PI : angle
}
function getDotPosFromAngle(alpha) {
return Qt.point(priv.centerX + priv.outerRadius * Math.sin(alpha) - priv.dotSize / 2, priv.centerY - priv.outerRadius * Math.cos(alpha) - priv.dotSize / 2)
}
function allowedInputPosition(x,y) {
var r = Math.sqrt(Math.pow(priv.centerX - x,2) + Math.pow(priv.centerY - y, 2));
return (r < priv.maxRadius && r > priv.minRadius)
}
function getHourFromAngle(alpha) {
var hour = Math.round(12 * alpha / (2 * Math.PI))
if (timePickerBase.pm) {
return hour + 12
} else {
return hour
}
}
function getAngleFromHour(hour) {
return (hour % 12) * 2 * Math.PI / 12
}
function getMinuteFromAngle(alpha) {
return Math.round(60 * alpha / (2 * Math.PI))
}
function getAngleFromMinute(minute) {
return (minute % 60) * 2 * Math.PI / 60
}
function getRasterizedDotPos(x,y) {
return getDotPosFromAngle(getAngleFromHour(getHourFromAngle(getAngleFromPosition(x, y))))
}
function getPosFromTime(hours, minutes) {
if (timePickerCircle.state === "hours") {
return timePickerCircle.getDotPosFromAngle(timePickerCircle.getAngleFromHour(hours))
} else {
return timePickerCircle.getDotPosFromAngle(timePickerCircle.getAngleFromMinute(minutes))
}
}
function setClock(hours,minutes) {
var pos = getPosFromTime(hours, minutes)
outerMouseArea.targetX = pos.x + priv.dotSize/2
outerMouseArea.targetY = pos.y + priv.dotSize/2
}
color: timePickerBase.circleColor
visible: true
radius: priv.outerSize/2
height: priv.outerSize
width: priv.outerSize
Rectangle {
id: handleCircle
color: timePickerBase.dotColor
visible: true
width: priv.dotSize
height: priv.dotSize
radius: priv.dotSize / 2
property point pos: timePickerCircle.getDotPosFromAngle(timePickerCircle.getAngleFromPosition(outerMouseArea.targetX, outerMouseArea.targetY))
property bool exact: true
x: handleCircle.pos.x
y: handleCircle.pos.y
}
MouseArea {
id: outerMouseArea
anchors.fill: parent
property real targetX: priv.initialPos.x + priv.dotSize/2
property real targetY: priv.initialPos.y + priv.dotSize/2
onPressAndHold: {
if (timePickerCircle.allowedInputPosition(mouse.x, mouse.y) && timePickerCircle.state === "minutes") {
handleCircle.exact = false
}
}
onPositionChanged: {
if (timePickerCircle.allowedInputPosition(mouse.x, mouse.y) && !handleCircle.exact) {
targetX = mouse.x
targetY = mouse.y
if (timePickerCircle.state === "hours") {
timePickerBase.selectedHour = timePickerCircle.getHourFromAngle(timePickerCircle.getAngleFromPosition(targetX, targetY))
} else {
timePickerBase.selectedMinute = timePickerCircle.getMinuteFromAngle(timePickerCircle.getAngleFromPosition(targetX, targetY))
}
}
}
onPressed: {
if (timePickerCircle.allowedInputPosition(mouse.x, mouse.y)) {
var position = timePickerCircle.getRasterizedDotPos(mouse.x, mouse.y)
targetX = position.x + priv.dotSize/2
targetY = position.y + priv.dotSize/2
}
}
onReleased: {
handleCircle.exact = true
if (timePickerCircle.state === "hours") {
timePickerBase.selectedHour = timePickerCircle.getHourFromAngle(timePickerCircle.getAngleFromPosition(targetX, targetY))
timePickerBase.hourChanged(timePickerBase.selectedHour)
timePickerCircle.state = "minutes"
} else {
timePickerBase.selectedMinute = timePickerCircle.getMinuteFromAngle(timePickerCircle.getAngleFromPosition(targetX, targetY))
timePickerBase.minuteChanged(timePickerBase.selectedMinute)
timePickerBase.timeChanged(timePickerBase.selectedHour, timePickerBase.selectedMinute)
}
}
}
Repeater {
id: timePickerRepeater
property string activatedDot: ""
property var hoursAmModel: ["0","1","2","3","4","5","6","7","8","9","10","11"]
property var hoursPmModel: ["12","13","14","15","16","17","18","19","20","21","22","23"]
property var minutesModel: ["0","05","10","15","20","25","30","35","40","45","50","55"]
model: timePickerCircle.state === "hours" ? timePickerBase.pm ? hoursPmModel : hoursAmModel : minutesModel
delegate: Rectangle {
id: timePickerDelegate
property real twoPi: 2 * Math.PI
property real alpha: index * twoPi / 12
property real r: priv.outerRadius
property point pos: timePickerCircle.getDotPosFromAngle(alpha)
x: timePickerDelegate.pos.x
y: timePickerDelegate.pos.y
width: priv.dotSize
height: priv.dotSize
color: "transparent"
Text {
anchors.centerIn: parent
verticalAlignment: Text.AlignVCenter
color: timePickerBase.textColor
text: modelData
}
}
}
}
}
}