--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Components project.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation 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 1.1
+import "." 1.1
+import Qt.labs.components 1.1 as QtComponents
+
+Item {
+ id: root
+
+ // Common Public API
+ property alias stepSize: model.stepSize
+ property alias minimumValue: model.minimumValue
+ property alias maximumValue: model.maximumValue
+ property alias value: model.value
+ property int orientation: Qt.Horizontal
+ property bool pressed: track.inputActive
+ property bool valueIndicatorVisible: false
+ property string valueIndicatorText: ""
+ property alias inverted: model.inverted
+
+ LayoutMirroring.enabled: false
+ LayoutMirroring.childrenInherit: true
+
+ // Symbian specific
+ property bool platformInverted: false
+ signal valueChanged(real value)
+ implicitWidth: orientation == Qt.Horizontal ? 150 : privateStyle.menuItemHeight
+ implicitHeight: orientation == Qt.Horizontal ? privateStyle.menuItemHeight : 150
+
+ onActiveFocusChanged: {
+ if (!root.activeFocus)
+ track.activeKey = undefined
+ }
+
+ QtComponents.RangeModel {
+ id: model
+ value: 0.0
+ stepSize: 0.0
+ minimumValue: 0.0
+ maximumValue: 1.0
+ positionAtMinimum: 0
+ positionAtMaximum: orientation == Qt.Horizontal ? track.width - handle.width : track.height - handle.height
+ onValueChanged: root.valueChanged(value)
+ }
+
+ BorderImage {
+ id: track
+ objectName: "track"
+ property bool tapOnTrack: false
+ property variant activeKey
+ property bool inputActive: handleMouseArea.pressed || !!track.activeKey
+ onInputActiveChanged: {
+ if (!valueIndicatorVisible)
+ return
+ if (inputActive)
+ valueIndicator.show = true
+ else
+ indicatorTimer.restart()
+ }
+
+ states: [
+ State {
+ name: "Horizontal"
+ when: orientation == Qt.Horizontal
+
+ PropertyChanges {
+ target: track
+ height: privateStyle.sliderThickness
+ width: undefined
+ source: privateStyle.imagePath("qtg_fr_slider_h_track_normal", root.platformInverted)
+ border {
+ left: 20
+ right: 20
+ top: 0
+ bottom: 0
+ }
+ smooth: true
+ }
+
+ AnchorChanges {
+ target: track
+ anchors {
+ left: root.left
+ right: root.right
+ top: undefined
+ bottom: undefined
+ horizontalCenter: undefined
+ verticalCenter: root.verticalCenter
+ }
+ }
+ },
+ State {
+ name: "Vertical"
+ when: orientation == Qt.Vertical
+
+ PropertyChanges {
+ target: track
+ height: undefined
+ width: privateStyle.sliderThickness
+ source: privateStyle.imagePath("qtg_fr_slider_v_track_normal", root.platformInverted)
+ border {
+ left: 0
+ right: 0
+ top: 20
+ bottom: 20
+ }
+ smooth: true
+ }
+
+ AnchorChanges {
+ target: track
+ anchors {
+ left: undefined
+ right: undefined
+ top: root.top
+ bottom: root.bottom
+ horizontalCenter: root.horizontalCenter
+ verticalCenter: undefined
+ }
+ }
+ }
+ ]
+
+ anchors.leftMargin: platformStyle.paddingMedium
+ anchors.rightMargin: platformStyle.paddingMedium
+ anchors.topMargin: platformStyle.paddingMedium
+ anchors.bottomMargin: platformStyle.paddingMedium
+
+ MouseArea {
+ id: trackMouseArea
+ objectName: "trackMouseArea"
+
+ anchors.fill: parent
+
+ onClicked: {
+ if (track.tapOnTrack) {
+ if (orientation == Qt.Horizontal) {
+ if (handle.x > (mouseX - handle.width / 2)) {
+ model.value = inverted ? model.value + model.stepSize : model.value - model.stepSize
+ handle.x = model.position
+ } else {
+ model.value = inverted ? model.value - model.stepSize : model.value + model.stepSize
+ handle.x = model.position
+ }
+ } else {
+ if (handle.y > (mouseY - handle.height / 2)) {
+ model.value = inverted ? model.value + model.stepSize : model.value - model.stepSize
+ handle.y = model.position
+ } else {
+ model.value = inverted ? model.value - model.stepSize : model.value + model.stepSize
+ handle.y = model.position
+ }
+ }
+ }
+ }
+
+ Image {
+ id: handle
+ objectName: "handle"
+ x: orientation == Qt.Horizontal ? (handleMouseArea.pressed ? x : model.position) : 0
+ y: orientation == Qt.Horizontal ? 0 : (handleMouseArea.pressed ? y : model.position)
+
+ sourceSize.height: platformStyle.graphicSizeSmall
+ sourceSize.width: platformStyle.graphicSizeSmall
+
+ anchors.verticalCenter: orientation == Qt.Horizontal ? parent.verticalCenter : undefined
+ anchors.horizontalCenter: orientation == Qt.Horizontal ? undefined : parent.horizontalCenter
+
+ source: {
+ var handleIcon = "qtg_graf_slider_"
+ + (orientation == Qt.Horizontal ? "h" : "v")
+ + "_handle_"
+ + (handleMouseArea.pressed ? "pressed" : "normal")
+ privateStyle.imagePath(handleIcon, root.platformInverted)
+ }
+
+ onXChanged: valueIndicator.position()
+ onYChanged: valueIndicator.position()
+
+ MouseArea {
+ id: handleMouseArea
+ objectName: "handleMouseArea"
+
+ height: platformStyle.graphicSizeMedium
+ width: platformStyle.graphicSizeMedium
+ anchors.verticalCenter: orientation == Qt.Horizontal ? parent.verticalCenter : undefined
+ anchors.horizontalCenter: orientation == Qt.Horizontal ? undefined : parent.horizontalCenter
+
+ drag.target: handle
+ drag.axis: Drag.XandYAxis
+ drag.minimumX: orientation == Qt.Horizontal ? model.positionAtMinimum : 0
+ drag.maximumX: orientation == Qt.Horizontal ? model.positionAtMaximum : 0
+ drag.minimumY: orientation == Qt.Horizontal ? 0 : model.positionAtMinimum
+ drag.maximumY: orientation == Qt.Horizontal ? 0 : model.positionAtMaximum
+
+ onPositionChanged: model.position = orientation == Qt.Horizontal ? handle.x : handle.y
+ onPressed: privateStyle.play(Android.BasicSlider)
+ onReleased: privateStyle.play(Android.BasicSlider)
+ }
+ }
+ }
+ }
+
+ Keys.onPressed: {
+ internal.handleKeyPressEvent(event)
+ }
+
+ Keys.onReleased: {
+ internal.handleKeyReleaseEvent(event)
+ }
+
+ Component {
+ id: valueIndicatorComponent
+ ToolTip {
+ text: root.valueIndicatorText == "" ? model.value : root.valueIndicatorText
+ platformInverted: root.platformInverted
+ }
+ }
+
+ Loader {
+ id: valueIndicator
+
+ property int spacing: 2 * platformStyle.paddingLarge
+ // Must match with the "maxWidth" padding defined in ToolTip
+ property int toolTipPadding: platformStyle.paddingLarge
+ property bool show: false
+ sourceComponent: valueIndicator.show ? valueIndicatorComponent : undefined
+ onLoaded: position()
+
+ function position() {
+ if (!valueIndicatorVisible || status != Loader.Ready)
+ return
+
+ var point = null
+ if (orientation == Qt.Horizontal) {
+ point = root.mapFromItem(track, handle.x + handle.width / 2 - valueIndicator.item.width / 2, 0)
+
+ // Check if valueIndicator will be positioned beyond the right or
+ // left boundaries and adjust if needed to keep it fully
+ // visible on screen. In case the valueIndicator is so wide that it
+ // does not fit the screen, it's positioned to left of the screen.
+ var rightStop = screen.width - toolTipPadding
+ var valueIndicatorLeftEdge = root.mapToItem(null, point.x, 0)
+ var valueIndicatorRightEdge = root.mapToItem(null, point.x + valueIndicator.item.width, 0)
+
+ if (valueIndicatorLeftEdge.x < toolTipPadding)
+ point.x = root.mapFromItem(null, toolTipPadding, 0).x
+ else if (valueIndicatorRightEdge.x > rightStop)
+ point.x = root.mapFromItem(null, rightStop - valueIndicator.item.width, 0).x
+
+ valueIndicator.item.x = point.x
+ valueIndicator.item.y = point.y - valueIndicator.spacing - valueIndicator.item.height
+ } else {
+ point = root.mapFromItem(track, 0, handle.y + handle.height / 2 - valueIndicator.item.height / 2)
+ valueIndicator.item.x = point.x - valueIndicator.spacing - valueIndicator.item.width
+ valueIndicator.item.y = point.y
+ }
+ }
+
+ Timer {
+ id: indicatorTimer
+ interval: 750
+ onTriggered: {
+ if (!track.inputActive)
+ valueIndicator.show = false
+ }
+ }
+ }
+
+ QtObject {
+ id: internal
+
+ function handleKeyPressEvent(keyEvent) {
+ var oldValue = model.value
+ if (orientation == Qt.Horizontal) {
+ if (keyEvent.key == Qt.Key_Left) {
+ model.value = inverted ? model.value + model.stepSize : model.value - model.stepSize
+ } else if (keyEvent.key == Qt.Key_Right) {
+ model.value = inverted ? model.value - model.stepSize : model.value + model.stepSize
+ }
+ } else { //Vertical
+ if (keyEvent.key == Qt.Key_Up) {
+ model.value = inverted ? model.value + model.stepSize : model.value - model.stepSize
+ } else if (keyEvent.key == Qt.Key_Down) {
+ model.value = inverted ? model.value - model.stepSize : model.value + model.stepSize
+ }
+ }
+ if (oldValue != model.value)
+ keyEvent.accepted = true
+
+ if (keyEvent.accepted ||
+ keyEvent.key == Qt.Key_Select ||
+ keyEvent.key == Qt.Key_Return ||
+ keyEvent.key == Qt.Key_Enter)
+ track.activeKey = keyEvent.key
+ }
+
+ function handleKeyReleaseEvent(keyEvent) {
+ if (track.activeKey == keyEvent.key) {
+ if (!keyEvent.isAutoRepeat)
+ track.activeKey = undefined
+ keyEvent.accepted = true
+ }
+ }
+ }
+}
projects / mardrone / blobdiff