SpinBox.qml 10.52 KiB
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import QtQuick 2.1
import QtQuick.Controls 1.0
import QtQuick.Controls.Private 1.0
/*!
    \qmltype SpinBox
    \inqmlmodule QtQuick.Controls 1.0
    \ingroup controls
    \brief Provides a spin box control.
    SpinBox allows the user to choose a value by clicking the up or down buttons, or by
    pressing up or down on the keyboard. The user can also type the value in manually.
    By default the SpinBox provides discrete values in the range [0-99] with a \l stepSize of 1 and 0 \l decimals.
    \code
    SpinBox {
        id: spinbox
    \endcode
    Note that if you require decimal values you will need to set the \l decimals to a non 0 value.
    \code
    SpinBox {
        id: spinbox
        decimals: 2
    \endcode
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*/ Control { id: spinbox /*! The value of this SpinBox, clamped to \l minimumValue and \l maximumValue. The default value is \c{0.0}. */ property real value: 0 /*! The minimum value of the SpinBox range. The \l value is clamped to this value. The default value is \c{0.0}. */ property real minimumValue: 0 /*! The maximum value of the SpinBox range. The \l value is clamped to this value. If maximumValue is smaller than \l minimumValue, \l minimumValue will be enforced. The default value is \c{99}. */ property real maximumValue: 99 /*! The amount by which the \l value is incremented/decremented when a spin button is pressed. The default value is \c{1.0}. */ property real stepSize: 1.0 /*! The suffix for the value. I.e "cm" */ property string suffix /*! The prefix for the value. I.e "$" */ property string prefix /*! This property indicates the amount of decimals. Note that if you enter more decimals than specified, they will be truncated to the specified amount of decimal places. The default value is \c{0}. */ property int decimals: 0 /*! \qmlproperty font SpinBox::font This property indicates the current font used by the SpinBox. */ property alias font: input.font /*! This property indicates if the Spinbox should get active focus when pressed. The default value is \c true. */ property bool activeFocusOnPress: true style: Qt.createComponent(Settings.theme() + "/SpinBoxStyle.qml", spinbox) /*! \internal */ function __increment() { input.setValue(input.text) value += stepSize if (value > maximumValue) value = maximumValue
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input.text = value.toFixed(decimals) } /*! \internal */ function __decrement() { input.setValue(input.text) value -= stepSize if (value < minimumValue) value = minimumValue input.text = value.toFixed(decimals) } /*! \internal */ property bool __initialized: false /*! \internal */ readonly property bool __upEnabled: value != maximumValue; /*! \internal */ readonly property bool __downEnabled: value != minimumValue; /*! \internal */ readonly property alias __upPressed: mouseUp.pressed /*! \internal */ readonly property alias __downPressed: mouseDown.pressed /*! \internal */ property alias __upHovered: mouseUp.containsMouse /*! \internal */ property alias __downHovered: mouseDown.containsMouse /*! \internal */ property alias __containsMouse: mouseArea.containsMouse /*! \internal */ property alias __text: input.text /*! \internal */ readonly property int __contentHeight: Math.max(input.implicitHeight, 20) /*! \internal */ readonly property int __contentWidth: suffixItem.implicitWidth + Math.max(maxSizeHint.implicitWidth, minSizeHint.implicitWidth) + prefixItem.implicitWidth Text { id: maxSizeHint text: maximumValue.toFixed(decimals) font: input.font visible: false } Text { id: minSizeHint text: minimumValue.toFixed(decimals) font: input.font visible: false } onDecimalsChanged: input.setValue(value) onMaximumValueChanged: input.setValue(value) onMinimumValueChanged: input.setValue(value) Component.onCompleted: { __initialized = true; input.setValue(value) } onValueChanged: if (__initialized) input.setValue(value) activeFocusOnTab: true Accessible.name: input.text Accessible.role: Accessible.SpinBox MouseArea { id: mouseArea anchors.fill: parent hoverEnabled: true
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onPressed: if (activeFocusOnPress) input.forceActiveFocus() } Row { id: textLayout anchors.fill: parent spacing: 1 clip: true anchors.leftMargin: __panel ? __panel.leftMargin : 0 anchors.topMargin: __panel ? __panel.topMargin : 0 anchors.rightMargin: __panel ? __panel.rightMargin: 0 anchors.bottomMargin: __panel ? __panel.bottomMargin: 0 Text { id: prefixItem text: prefix color: __panel ? __panel.foregroundColor : "black" anchors.verticalCenter: parent.verticalCenter renderType: Text.NativeRendering } TextInput { id: input anchors.verticalCenter: parent.verticalCenter focus: true activeFocusOnPress: spinbox.activeFocusOnPress function setValue(v) { var newval = parseFloat(v) if (!isNaN(newval)) { // we give minimumValue priority over maximum if they are inconsistent if (newval > maximumValue && maximumValue >= minimumValue) newval = maximumValue else if (v < minimumValue) newval = minimumValue newval = newval.toFixed(decimals) spinbox.value = parseFloat(newval) input.text = newval } else { input.text = parseFloat(spinbox.value) } } horizontalAlignment: __panel ? __panel.horizontalTextAlignment : Qt.AlignLeft verticalAlignment: __panel ? __panel.verticalTextAlignment : Qt.AlignVCenter selectByMouse: true validator: DoubleValidator { bottom: minimumValue; top: maximumValue; } onAccepted: setValue(input.text) color: __panel ? __panel.foregroundColor : "black" selectionColor: __panel ? __panel.selectionColor : "black" selectedTextColor: __panel ? __panel.selectedTextColor : "black" opacity: parent.enabled ? 1 : 0.5 renderType: Text.NativeRendering } Text { id: suffixItem text: suffix color: __panel ? __panel.foregroundColor : "black" anchors.verticalCenter: parent.verticalCenter renderType: Text.NativeRendering } } // Spinbox increment button MouseArea { id: mouseUp hoverEnabled: true
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property var upRect: __panel ? __panel.upRect : null anchors.left: parent.left anchors.top: parent.top anchors.leftMargin: upRect ? upRect.x : 0 anchors.topMargin: upRect ? upRect.y : 0 width: upRect ? upRect.width : 0 height: upRect ? upRect.height : 0 onClicked: __increment() property bool autoincrement: false; onReleased: autoincrement = false Timer { running: mouseUp.pressed; interval: 350 ; onTriggered: mouseUp.autoincrement = true } Timer { running: mouseUp.autoincrement; interval: 60 ; repeat: true ; onTriggered: __increment() } } // Spinbox decrement button MouseArea { id: mouseDown hoverEnabled: true onClicked: __decrement() property var downRect: __panel ? __panel.downRect : null anchors.left: parent.left anchors.top: parent.top anchors.leftMargin: downRect ? downRect.x : 0 anchors.topMargin: downRect ? downRect.y : 0 width: downRect ? downRect.width : 0 height: downRect ? downRect.height : 0 property bool autoincrement: false; onReleased: autoincrement = false Timer { running: mouseDown.pressed; interval: 350 ; onTriggered: mouseDown.autoincrement = true } Timer { running: mouseDown.autoincrement; interval: 60 ; repeat: true ; onTriggered: __decrement() } } Keys.onUpPressed: __increment() Keys.onDownPressed: __decrement() }