/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the Qt Quick Controls module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names ** of its contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ 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 width: control.width height: control.height 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) } } } }