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Diffstat (limited to 'src/quickcontrols/material/RangeSlider.qml')
| -rw-r--r-- | src/quickcontrols/material/RangeSlider.qml | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/quickcontrols/material/RangeSlider.qml b/src/quickcontrols/material/RangeSlider.qml new file mode 100644 index 0000000000..7547d3d04f --- /dev/null +++ b/src/quickcontrols/material/RangeSlider.qml @@ -0,0 +1,98 @@ +// Copyright (C) 2022 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +import QtQuick +import QtQuick.Templates as T +import QtQuick.Controls.impl +import QtQuick.Controls.Material +import QtQuick.Controls.Material.impl + +T.RangeSlider { + id: control + + implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset, + first.implicitHandleWidth + leftPadding + rightPadding, + second.implicitHandleWidth + leftPadding + rightPadding) + implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset, + first.implicitHandleHeight + topPadding + bottomPadding, + second.implicitHandleHeight + topPadding + bottomPadding) + + padding: 6 + + // The RangeSlider is discrete if all of the following requirements are met: + // * stepSize is positive + // * snapMode is set to SnapAlways + // * the difference between to and from is cleanly divisible by the stepSize + // * the number of tick marks intended to be rendered is less than the width to height ratio, or vice versa for vertical sliders. + readonly property real __steps: Math.abs(to - from) / stepSize + readonly property bool __isDiscrete: stepSize >= Number.EPSILON + && snapMode === Slider.SnapAlways + && Math.abs(Math.round(__steps) - __steps) < Number.EPSILON + && Math.floor(__steps) < (horizontal ? background.width / background.height : background.height / background.width) + + first.handle: SliderHandle { + x: control.leftPadding + (control.horizontal ? control.first.visualPosition * (control.availableWidth - width) : (control.availableWidth - width) / 2) + y: control.topPadding + (control.horizontal ? (control.availableHeight - height) / 2 : control.first.visualPosition * (control.availableHeight - height)) + value: control.first.value + handleHasFocus: activeFocus + handlePressed: control.first.pressed + handleHovered: control.first.hovered + } + + second.handle: SliderHandle { + x: control.leftPadding + (control.horizontal ? control.second.visualPosition * (control.availableWidth - width) : (control.availableWidth - width) / 2) + y: control.topPadding + (control.horizontal ? (control.availableHeight - height) / 2 : control.second.visualPosition * (control.availableHeight - height)) + value: control.second.value + handleHasFocus: activeFocus + handlePressed: control.second.pressed + handleHovered: control.second.hovered + } + + background: Item { + x: control.leftPadding + (control.horizontal ? 0 : (control.availableWidth - width) / 2) + y: control.topPadding + (control.horizontal ? (control.availableHeight - height) / 2 : 0) + implicitWidth: control.horizontal ? 200 : 48 + implicitHeight: control.horizontal ? 48 : 200 + width: control.horizontal ? control.availableWidth : 4 + height: control.horizontal ? 4 : control.availableHeight + + Rectangle { + x: (control.horizontal ? (control.first.implicitHandleWidth / 2) - (control.__isDiscrete ? 2 : 0) : 0) + y: (control.horizontal ? 0 : (control.first.implicitHandleHeight / 2) - (control.__isDiscrete ? 2 : 0)) + width: parent.width - (control.horizontal ? (control.first.implicitHandleWidth - (control.__isDiscrete ? 4 : 0)) : 0) + height: parent.height - (control.horizontal ? 0 : (control.first.implicitHandleHeight - (control.__isDiscrete ? 4 : 0))) + scale: control.horizontal && control.mirrored ? -1 : 1 + radius: Math.min(width, height) / 2 + color: control.enabled ? Color.transparent(control.Material.accentColor, 0.33) : control.Material.sliderDisabledColor + + Rectangle { + x: control.horizontal ? control.first.position * parent.width : 0 + y: control.horizontal ? 0 : control.second.visualPosition * parent.height + width: control.horizontal ? control.second.position * parent.width - control.first.position * parent.width : 4 + height: control.horizontal ? 4 : control.second.position * parent.height - control.first.position * parent.height + radius: Math.min(width, height) / 2 + color: control.enabled ? control.Material.accentColor : control.Material.sliderDisabledColor + } + + // Declaring this as a property (in combination with the parent binding below) avoids ids, + // which prevent deferred execution. + property Repeater repeater: Repeater { + parent: control.background.children[0] + model: control.__isDiscrete ? Math.floor(control.__steps) + 1 : 0 + delegate: Rectangle { + width: 2 + height: 2 + radius: 2 + x: control.horizontal ? (parent.width - width * 2) * currentPosition + (width / 2) : (parent.width - width) / 2 + y: control.horizontal ? (parent.height - height) / 2 : (parent.height - height * 2) * currentPosition + (height / 2) + color: (control.horizontal && control.first.visualPosition < currentPosition && control.second.visualPosition > currentPosition) + || (!control.horizontal && control.first.visualPosition > currentPosition && control.second.visualPosition < currentPosition) + ? control.Material.primaryHighlightedTextColor : control.Material.accentColor + + required property int index + readonly property real currentPosition: index / (parent.repeater.count - 1) + } + } + } + } +} |