--- /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
+
+Item {
+ id: root
+
+ // Common Public API
+ property bool checked: false
+ property bool pressed: stateGroup.state == "Pressed" || stateGroup.state == "KeyPressed"
+ || stateGroup.state == "Dragging"
+
+ // Symbian specific API
+ property bool platformInverted: false
+
+ signal clicked
+
+ QtObject {
+ id: internal
+ objectName: "internal"
+
+ function toggle() {
+ root.checked = !root.checked
+ root.clicked()
+ }
+ }
+
+ StateGroup {
+ id: stateGroup
+
+ states: [
+ State { name: "Pressed" },
+ State { name: "Released" },
+ State { name: "KeyPressed" },
+ State { name: "Dragging" },
+ State { name: "Canceled" }
+ ]
+
+ transitions: [
+ Transition {
+ to: "Pressed"
+ ScriptAction { script: privateStyle.play(Android.BasicItem) }
+ },
+ Transition {
+ from: "Released, Dragging"
+ to: ""
+ ScriptAction { script: privateStyle.play(Android.CheckBox) }
+ ScriptAction { script: internal.toggle() }
+ },
+ Transition {
+ from: "KeyPressed"
+ to: ""
+ ScriptAction { script: internal.toggle() }
+ }
+ ]
+ }
+
+ implicitWidth: track.width
+ implicitHeight: privateStyle.switchButtonHeight
+
+ Image {
+ id: track
+
+ function trackPostfix() {
+ if (!root.enabled && root.checked)
+ return "disabled_on"
+ else if (!root.enabled && !root.checked)
+ return "disabled_off"
+ else
+ return "track"
+ }
+
+ source: privateStyle.imagePath("qtg_graf_switchbutton_" + track.trackPostfix(),
+ root.platformInverted)
+ anchors.left: parent.left
+ anchors.verticalCenter: parent.verticalCenter
+ sourceSize.width: Android.UndefinedSourceDimension
+ sourceSize.height: privateStyle.switchButtonHeight
+ scale: root.LayoutMirroring.enabled ? -1 : 1
+ }
+
+ MouseArea {
+ id: mouseArea
+
+ property real lastX
+
+ function isChecked() {
+ if (root.LayoutMirroring.enabled)
+ return (handle.x + handle.width / 2 < track.x + (track.width / 2))
+ else
+ return (handle.x + handle.width / 2 > track.x + (track.width / 2))
+ }
+ function updateHandlePos() {
+ // The middle of the handle follows mouse, the handle is bound to the track
+ handle.x = Math.max(track.x, Math.min(mouseArea.lastX - handle.width / 2,
+ track.x + track.width - handle.width))
+ }
+
+ anchors.fill: track
+ onPressed: stateGroup.state = "Pressed"
+ onReleased: stateGroup.state = "Released" // releasing doesn't toggle yet, it is intermediate state
+ onClicked: stateGroup.state = ""
+ onCanceled: stateGroup.state = "Canceled"
+ onPositionChanged: {
+ mouseArea.lastX = mouse.x
+ if (mouseArea.drag.active)
+ updateHandlePos()
+ }
+ drag {
+ // The handle is moved manually but MouseArea can be used to decide when dragging
+ // should start (QApplication::startDragDistance). A dummy target needs to be bound or
+ // dragging won't get activated.
+ target: Item { visible: false }
+
+ axis: Drag.XandYAxis
+ minimumY: 0; maximumY: 0 // keep dragging active eventhough only x axis switches
+ minimumX: track.x; maximumX: mouseArea.drag.minimumX + track.width - handle.width
+ onActiveChanged: {
+ if (mouseArea.drag.active) {
+ updateHandlePos()
+ stateGroup.state = "Dragging"
+ }
+ else {
+ stateGroup.state = (root.checked != isChecked()) ? "" : "Canceled"
+ }
+ }
+ }
+ }
+
+ Item {
+ id: fill
+
+ clip: true
+ anchors.left: track.left
+ anchors.right: handle.horizontalCenter
+ anchors.verticalCenter: parent.verticalCenter
+ height: privateStyle.switchButtonHeight
+ visible: root.enabled
+
+ Image {
+ source: privateStyle.imagePath("qtg_graf_switchbutton_fill",
+ root.platformInverted)
+ anchors.left: parent.left
+ anchors.top: parent.top
+ height: parent.height
+ }
+ }
+
+ Image {
+ id: handle
+
+ source: privateStyle.imagePath("qtg_graf_switchbutton_"
+ + (root.pressed ? "handle_pressed" : "handle_normal"),
+ root.platformInverted)
+ anchors.verticalCenter: root.verticalCenter
+ sourceSize.width: privateStyle.switchButtonHeight
+ sourceSize.height: privateStyle.switchButtonHeight
+ visible: root.enabled
+
+ states: [
+ State {
+ name: "Off"
+ when: !mouseArea.drag.active && !checked
+ PropertyChanges {
+ target: handle
+ restoreEntryValues: false
+ x: root.LayoutMirroring.enabled ? mouseArea.drag.maximumX : mouseArea.drag.minimumX
+ }
+ },
+ State {
+ name: "On"
+ when: !mouseArea.drag.active && checked
+ PropertyChanges {
+ target: handle
+ restoreEntryValues: false
+ x: root.LayoutMirroring.enabled ? mouseArea.drag.minimumX : mouseArea.drag.maximumX
+ }
+ }
+ ]
+
+ transitions: [
+ Transition {
+ to: "Off"
+ SmoothedAnimation {properties: "x"; easing.type: Easing.InOutQuad; duration: 200 }
+ },
+ Transition {
+ to: "On"
+ SmoothedAnimation {properties: "x"; easing.type: Easing.InOutQuad; duration: 200 }
+ }
+ ]
+ }
+
+ Keys.onPressed: {
+ if (!event.isAutoRepeat && (event.key == Qt.Key_Select
+ || event.key == Qt.Key_Return
+ || event.key == Qt.Key_Enter)) {
+ stateGroup.state = "KeyPressed"
+ event.accepted = true
+ }
+ }
+
+
+ Keys.onReleased: {
+ if (!event.isAutoRepeat && (event.key == Qt.Key_Select
+ || event.key == Qt.Key_Return
+ || event.key == Qt.Key_Enter)) {
+ stateGroup.state = ""
+ event.accepted = true
+ }
+ }
+}
projects / mardrone / blobdiff