--- /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 "AppManager.js" as Utils
+
+Item {
+ id: root
+
+ // Common Public API
+ property Item tab
+ property bool checked: internal.tabGroup != null && internal.tabGroup.currentTab == tab
+ property bool pressed: stateGroup.state == "Pressed" && mouseArea.containsMouse
+ property alias text: label.text
+ property alias iconSource: imageLoader.source
+
+ signal clicked
+
+ // Symbian specific API
+ property bool platformInverted: false
+
+ implicitWidth: Math.max(2 * imageLoader.width, 2 * platformStyle.paddingMedium + privateStyle.textWidth(label.text, label.font))
+ implicitHeight: internal.portrait ? privateStyle.tabBarHeightPortrait : privateStyle.tabBarHeightLandscape
+
+ QtObject {
+ id: internal
+
+ property Item tabGroup: Utils.findParent(tab, "currentTab")
+ property bool portrait: screen.currentOrientation == Screen.Portrait || screen.currentOrientation == Screen.PortraitInverted
+
+ function press() {
+ privateStyle.play(Android.BasicButton)
+ }
+ function click() {
+ root.clicked()
+ privateStyle.play(Android.BasicButton)
+ if (internal.tabGroup)
+ internal.tabGroup.currentTab = tab
+ }
+
+ function isButtonRow(item) {
+ return (item &&
+ item.hasOwnProperty("checkedButton") &&
+ item.hasOwnProperty("privateDirection") &&
+ item.privateDirection == Qt.Horizontal)
+ }
+
+ function imageName() {
+ // If the parent of a TabButton is ButtonRow, segmented-style graphics
+ // are used to create a seamless row of buttons. Otherwise normal
+ // TabButton graphics are utilized.
+ var mirror = root.LayoutMirroring.enabled // To create binding
+ if (isButtonRow(parent))
+ return parent.privateGraphicsName(root, 1)
+ else
+ return "qtg_fr_tab_"
+ }
+
+ function modeName() {
+ if (isButtonRow(parent)) {
+ return parent.privateModeName(root, 1)
+ } else {
+ return root.checked ? "active" : "passive_normal"
+ }
+ }
+
+ function modeNamePressed() {
+ if (isButtonRow(parent)) {
+ return "pressed"
+ } else {
+ return "passive_pressed"
+ }
+ }
+ }
+
+ StateGroup {
+ id: stateGroup
+
+ states: [
+ State {
+ name: "Pressed"
+ PropertyChanges { target: pressedGraphics; opacity: 1 }
+ },
+ State { name: "Canceled" }
+ ]
+ transitions: [
+ Transition {
+ to: "Pressed"
+ ScriptAction { script: internal.press() }
+ },
+ Transition {
+ from: "Pressed"
+ to: ""
+ NumberAnimation {
+ target: pressedGraphics
+ property: "opacity"
+ to: 0
+ duration: 150
+ easing.type: Easing.Linear
+ }
+ ScriptAction { script: internal.click() }
+ }
+ ]
+ }
+
+ BorderImage {
+ id: background
+
+ source: privateStyle.imagePath(internal.imageName() + internal.modeName(), root.platformInverted)
+ anchors.fill: parent
+ border {
+ left: platformStyle.borderSizeMedium
+ top: platformStyle.borderSizeMedium
+ right: platformStyle.borderSizeMedium
+ bottom: platformStyle.borderSizeMedium
+ }
+ }
+
+ BorderImage {
+ id: pressedGraphics
+
+ source: privateStyle.imagePath(internal.imageName() + internal.modeNamePressed(), root.platformInverted)
+ anchors.fill: parent
+ opacity: 0
+
+ border {
+ left: platformStyle.borderSizeMedium
+ top: platformStyle.borderSizeMedium
+ right: platformStyle.borderSizeMedium
+ bottom: platformStyle.borderSizeMedium
+ }
+ }
+
+ Text {
+ id: label
+
+ objectName: "label"
+ // hide in landscape if icon is present
+ visible: !(iconSource.toString() && !internal.portrait)
+ anchors {
+ left: parent.left
+ right: parent.right
+ bottom: parent.bottom
+ leftMargin: platformStyle.paddingMedium
+ rightMargin: platformStyle.paddingMedium
+ bottomMargin: iconSource.toString()
+ ? platformStyle.paddingSmall
+ : Math.ceil((parent.height - label.height) / 2.0)
+ }
+ elide: Text.ElideRight
+ horizontalAlignment: Text.AlignHCenter
+ font {
+ family: platformStyle.fontFamilyRegular;
+ pixelSize: platformStyle.fontSizeSmall
+ weight: Font.Light
+ }
+ color: {
+ if (root.pressed)
+ root.platformInverted ? platformStyle.colorPressedInverted
+ : platformStyle.colorPressed
+ else if (root.checked)
+ root.platformInverted ? platformStyle.colorNormalLightInverted
+ : platformStyle.colorNormalLight
+ else
+ root.platformInverted ? platformStyle.colorNormalMidInverted
+ : platformStyle.colorNormalMid
+ }
+ }
+
+ Loader {
+ // imageLoader acts as wrapper for Image and Icon items. The Image item is
+ // shown when the source points to a image (jpg, png). Icon item is used for
+ // locigal theme icons which are colorised.
+ id: imageLoader
+
+ property url source
+ property string iconId: privateStyle.isTabBarIcon(source) ? source.toString() : ""
+
+ width : platformStyle.graphicSizeSmall
+ height : platformStyle.graphicSizeSmall
+ sourceComponent: {
+ if (iconId)
+ return iconComponent
+ if (source.toString())
+ return imageComponent
+ return undefined
+ }
+ anchors {
+ top: parent.top
+ topMargin : !parent.text || !internal.portrait
+ ? Math.floor((parent.height - imageLoader.height) / 2.0)
+ : platformStyle.paddingSmall
+ horizontalCenter: parent.horizontalCenter
+ }
+
+ Component {
+ id: imageComponent
+
+ Image {
+ id: image
+
+ objectName: "image"
+ source: imageLoader.iconId ? "" : imageLoader.source
+ sourceSize.width: width
+ sourceSize.height: height
+ fillMode: Image.PreserveAspectFit
+ smooth: true
+ anchors.fill: parent
+ }
+ }
+
+ Component {
+ id: iconComponent
+
+ Icon {
+ id: icon
+
+ objectName: "icon"
+ anchors.fill: parent
+ iconColor: label.color
+ iconName: imageLoader.iconId
+ }
+ }
+ }
+
+ MouseArea {
+ id: mouseArea
+
+ onPressed: stateGroup.state = "Pressed"
+ onReleased: stateGroup.state = ""
+ onCanceled: {
+ // Mark as canceled
+ stateGroup.state = "Canceled"
+ // Reset state
+ stateGroup.state = ""
+ }
+ onExited: {
+ if (pressed)
+ stateGroup.state = "Canceled"
+ }
+
+ anchors.fill: parent
+ }
+}