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/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Quick Controls module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ import QtQuick 2.2 import QtQuick.Controls 1.2 import QtQuick.Controls.Private 1.0 /*! \qmltype ProgressBarStyle \inqmlmodule QtQuick.Controls.Styles \since 5.1 \ingroup controlsstyling \brief Provides custom styling for ProgressBar. Example: \qml ProgressBar { value: slider.value style: ProgressBarStyle { background: Rectangle { radius: 2 color: "lightgray" border.color: "gray" border.width: 1 implicitWidth: 200 implicitHeight: 24 } progress: Rectangle { color: "lightsteelblue" border.color: "steelblue" } } } \endqml Note that the example above is somewhat simplified and will not animate an indeterminate progress bar. The following snippet demonstrates how you can incorporate a custom animation for the indeterminate state as well. \code progress: Rectangle { border.color: "steelblue" color: "lightsteelblue" // Indeterminate animation by animating alternating stripes: Item { anchors.fill: parent anchors.margins: 1 visible: control.indeterminate clip: true Row { Repeater { Rectangle { color: index % 2 ? "steelblue" : "lightsteelblue" width: 20 ; height: control.height } model: control.width / 20 + 2 } XAnimator on x { from: 0 ; to: -40 loops: Animation.Infinite running: control.indeterminate } } } } \endcode */ Style { id: progressBarStyle /*! The \l ProgressBar this style is attached to. */ readonly property ProgressBar control: __control /*! A value in the range [0-1] indicating the current progress. */ readonly property real currentProgress: control.indeterminate ? 1.0 : control.value / control.maximumValue /*! This property holds the visible contents of the progress bar You can access the Slider through the \c control property. For convenience, you can also access the readonly property \c styleData.progress which provides the current progress as a \c real in the range [0-1] */ padding { top: 0 ; left: 0 ; right: 0 ; bottom: 0 } /*! \qmlproperty Component ProgressBarStyle::progress The progress component for this style. */ property Component progress: Item { property color progressColor: "#49d" anchors.fill: parent clip: true Rectangle { id: base anchors.fill: parent radius: TextSingleton.implicitHeight * 0.16 antialiasing: true gradient: Gradient { GradientStop {color: Qt.lighter(progressColor, 1.3) ; position: 0} GradientStop {color: progressColor ; position: 1.4} } border.width: 1 border.color: Qt.darker(progressColor, 1.2) Rectangle { color: "transparent" radius: 1.5 clip: true antialiasing: true anchors.fill: parent anchors.margins: 1 border.color: Qt.rgba(1,1,1,0.1) Image { visible: control.indeterminate height: parent.height NumberAnimation on x { from: -39 to: 0 running: control.indeterminate duration: 800 loops: Animation.Infinite } fillMode: Image.Tile width: parent.width + 25 source: "images/progress-indeterminate.png" } } } Rectangle { height: parent.height - 2 width: 1 y: 1 anchors.right: parent.right anchors.rightMargin: 1 color: Qt.rgba(1,1,1,0.1) visible: splitter.visible } Rectangle { id: splitter height: parent.height - 2 width: 1 y: 1 anchors.right: parent.right color: Qt.darker(progressColor, 1.2) property int offset: currentProgress * control.width visible: offset > base.radius && offset < control.width - base.radius + 1 } } /*! \qmlproperty Component ProgressBarStyle::background The background component for this style. \note The implicitWidth and implicitHeight of the background component must be set. */ property Component background: Item { implicitWidth: 200 implicitHeight: Math.max(17, Math.round(TextSingleton.implicitHeight * 0.7)) Rectangle { anchors.fill: parent anchors.bottomMargin: control.pressed ? 0 : -1 color: "#44ffffff" radius: baserect.radius } Rectangle { id: baserect gradient: Gradient { GradientStop {color: "#eee" ; position: 0} GradientStop {color: "#fff" ; position: 0.1} GradientStop {color: "#fff" ; position: 1} } radius: TextSingleton.implicitHeight * 0.16 anchors.fill: parent border.color: control.activeFocus ? "#47b" : "#999" Rectangle { anchors.fill: parent radius: parent.radius color: control.activeFocus ? "#47b" : "white" opacity: control.hovered || control.activeFocus ? 0.1 : 0 Behavior on opacity {NumberAnimation{ duration: 100 }} } } } /*! \qmlproperty Component ProgressBarStyle::panel The panel component for this style. */ property Component panel: Item{ property bool horizontal: control.orientation == Qt.Horizontal implicitWidth: horizontal ? backgroundLoader.implicitWidth : backgroundLoader.implicitHeight implicitHeight: horizontal ? backgroundLoader.implicitHeight : backgroundLoader.implicitWidth Item { width: horizontal ? parent.width : parent.height height: !horizontal ? parent.width : parent.height y: horizontal ? 0 : width rotation: horizontal ? 0 : -90 transformOrigin: Item.TopLeft Loader { id: backgroundLoader anchors.fill: parent sourceComponent: background } Loader { sourceComponent: progressBarStyle.progress anchors.topMargin: padding.top anchors.leftMargin: padding.left anchors.rightMargin: padding.right anchors.bottomMargin: padding.bottom anchors.top: parent.top anchors.left: parent.left anchors.bottom: parent.bottom width: currentProgress * (parent.width - padding.left - padding.right) } } } }