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b59cdcd4d3
This commit adds the .qml and qmldir files for the MobileComponents import. It contains low-level things like units and theme, and mid-level things like Heading, and high-level navigation in the form of an ApplicationWindow and Drawers that hold menues and provide swipe interactions between the pages. These components are a more full version of the "light" plasma components we have been using to make the UI scale well and appear more consistent (coloring, spacing, alignment, etc.). An interesting change is that Units and Theme are now singleton types, which is more efficient. It does mean a few changes to our current API usage: - units becomes Units - theme becomes Theme - 2 properties move out of each (we can't subclass singleton types) This change also means that we're using the vanilla upstream components, so it's very easy to get improvements to these rather young components in, and we don't have to do this work on our own. The mobilecomponents consist of just a bunch of qml files which we can deploy through the qrc file. In the next commits, we will gradually make the current UI use these new elements. Signed-off-by: Sebastian Kügler <sebas@kde.org>
317 lines
11 KiB
QML
317 lines
11 KiB
QML
/*
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* Copyright 2012 Marco Martin <mart@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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import QtQuick 2.1
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import QtGraphicalEffects 1.0
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import org.kde.plasma.mobilecomponents 0.2
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import "private"
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/**Documented API
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Imports:
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QtQuick 2.1
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Description:
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Overlay Drawers are used to expose additional UI elements needed for small secondary tasks for which the main UI elements are not needed. For example in Okular Active, an Overlay Drawer is used to display thumbnails of all pages within a document along with a search field. This is used for the distinct task of navigating to another page.
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Properties:
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bool opened:
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If true the drawer is open showing the contents of the "drawer" component.
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Item page:
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It's the default property. it's the main content of the drawer page, the part that is always shown
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Item contentItem:
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It's the part that can be pulled in and out, will act as a sidebar.
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**/
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AbstractDrawer {
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id: root
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anchors.fill: parent
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z: 9999
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default property alias page: mainPage.data
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property Item contentItem
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property alias opened: browserFrame.open
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property int edge: Qt.LeftEdge
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property real position: 0
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onContentItemChanged: contentItem.parent = drawerPage
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onPositionChanged: {
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if (!enabled) {
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return;
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}
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if (root.edge == Qt.LeftEdge) {
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browserFrame.x = -browserFrame.width + position * browserFrame.width;
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} else {
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browserFrame.x = root.width - (position * browserFrame.width);
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}
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}
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function open () {
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mouseEventListener.startBrowserFrameX = browserFrame.x;
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browserFrame.state = "Dragging";
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browserFrame.state = "Open";
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}
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function close () {
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mouseEventListener.startBrowserFrameX = browserFrame.x;
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browserFrame.state = "Dragging";
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browserFrame.state = "Closed";
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}
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Item {
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id: mainPage
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anchors.fill: parent
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onChildrenChanged: mainPage.children[0].anchors.fill = mainPage
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}
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Rectangle {
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anchors.fill: parent
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color: "black"
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opacity: 0.6 * (root.edge == Qt.LeftEdge
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? ((browserFrame.x + browserFrame.width) / browserFrame.width)
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: (1 - browserFrame.x / root.width))
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}
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MouseArea {
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anchors {
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right: root.edge == Qt.LeftEdge ? undefined : parent.right
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left: root.edge == Qt.LeftEdge ? parent.left : undefined
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top: parent.top
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bottom: parent.bottom
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}
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z: 99
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width: Units.smallSpacing
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onPressed: mouseEventListener.managePressed(mouse)
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onPositionChanged: mouseEventListener.positionChanged(mouse)
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onReleased: mouseEventListener.released(mouse)
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}
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MouseArea {
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id: mouseEventListener
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anchors.fill: parent
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drag.filterChildren: true
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property int startBrowserFrameX
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property int startMouseX
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property real oldMouseX
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property bool startDragging: false
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property string startState
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enabled: browserFrame.state != "Closed"
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onPressed: managePressed(mouse)
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function managePressed(mouse) {
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if (drawerPage.children.length == 0) {
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mouse.accepted = false;
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return;
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}
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mouse.accepted = true;
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startBrowserFrameX = browserFrame.x;
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oldMouseX = startMouseX = mouse.x;
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startDragging = false;
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startState = browserFrame.state;
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browserFrame.state = "Dragging";
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browserFrame.x = startBrowserFrameX;
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}
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onPositionChanged: {
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if (drawerPage.children.length == 0) {
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mouse.accepted = false;
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return;
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}
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if (mouse.x < Units.gridUnit ||
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Math.abs(mouse.x - startMouseX) > root.width / 5) {
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startDragging = true;
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}
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if (startDragging) {
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browserFrame.x = root.edge == Qt.LeftEdge
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? Math.min(0, browserFrame.x + mouse.x - oldMouseX)
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: Math.max(root.width - browserFrame.width, browserFrame.x + mouse.x - oldMouseX);
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}
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oldMouseX = mouse.x;
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}
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onReleased: {
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if (drawerPage.children.length == 0) {
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mouse.accepted = false;
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return;
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}
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if (root.edge == Qt.LeftEdge) {
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if (mouse.x < Units.gridUnit) {
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browserFrame.state = "Closed";
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} else if (browserFrame.x - startBrowserFrameX > browserFrame.width / 3) {
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browserFrame.state = "Open";
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} else if (startBrowserFrameX - browserFrame.x > browserFrame.width / 3) {
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browserFrame.state = "Closed";
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} else {
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browserFrame.state = startState
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}
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} else {
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if (mouse.x > width - Units.gridUnit) {
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browserFrame.state = "Closed";
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} else if (browserFrame.x - startBrowserFrameX > browserFrame.width / 3) {
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browserFrame.state = "Closed";
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} else if (startBrowserFrameX - browserFrame.x > browserFrame.width / 3) {
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browserFrame.state = "Open";
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} else {
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browserFrame.state = startState;
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}
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}
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}
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onCanceled: {
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if (oldMouseX > width - Units.gridUnit) {
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browserFrame.state = "Closed";
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} else if (Math.abs(browserFrame.x - startBrowserFrameX) > browserFrame.width / 3) {
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browserFrame.state = startState == "Open" ? "Closed" : "Open";
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} else {
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browserFrame.state = "Open";
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}
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}
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onClicked: {
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if (Math.abs(startMouseX - mouse.x) > Units.gridUnit) {
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return;
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}
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if ((root.edge == Qt.LeftEdge && mouse.x > browserFrame.width) ||
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(root.edge != Qt.LeftEdge && mouse.x < browserFrame.x)) {
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browserFrame.state = startState == "Open" ? "Closed" : "Open";
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root.clicked();
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}
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}
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Rectangle {
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id: browserFrame
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z: 100
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color: Theme.viewBackgroundColor
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anchors {
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top: parent.top
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bottom: parent.bottom
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}
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width: {
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if (drawerPage.children.length > 0 && drawerPage.children[0].implicitWidth > 0) {
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return Math.min( parent.width - Units.gridUnit, drawerPage.children[0].implicitWidth)
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} else {
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return parent.width - Units.gridUnit * 3
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}
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}
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onXChanged: {
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root.position = root.edge == Qt.LeftEdge ? 1 + browserFrame.x/browserFrame.width : (root.width - browserFrame.x)/browserFrame.width;
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}
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state: "Closed"
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onStateChanged: open = (state != "Closed")
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property bool open: false
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onOpenChanged: {
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if (drawerPage.children.length == 0) {
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return;
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}
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if (open) {
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browserFrame.state = "Open";
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} else {
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browserFrame.state = "Closed";
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}
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}
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LinearGradient {
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width: Units.gridUnit/2
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anchors {
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right: root.edge == Qt.LeftEdge ? undefined : parent.left
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left: root.edge == Qt.LeftEdge ? parent.right : undefined
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top: parent.top
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bottom: parent.bottom
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}
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opacity: root.position == 0 ? 0 : 1
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start: Qt.point(0, 0)
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end: Qt.point(Units.gridUnit/2, 0)
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gradient: Gradient {
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GradientStop {
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position: 0.0
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color: root.edge == Qt.LeftEdge ? Qt.rgba(0, 0, 0, 0.3) : "transparent"
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}
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GradientStop {
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position: root.edge == Qt.LeftEdge ? 0.3 : 0.7
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color: Qt.rgba(0, 0, 0, 0.15)
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}
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GradientStop {
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position: 1.0
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color: root.edge == Qt.LeftEdge ? "transparent" : Qt.rgba(0, 0, 0, 0.3)
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}
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}
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Behavior on opacity {
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NumberAnimation {
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duration: Units.longDuration
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easing.type: Easing.InOutQuad
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}
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}
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}
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MouseArea {
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id: drawerPage
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anchors {
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fill: parent
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//leftMargin: Units.gridUnit
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}
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clip: true
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onChildrenChanged: drawerPage.children[0].anchors.fill = drawerPage
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}
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states: [
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State {
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name: "Open"
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PropertyChanges {
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target: browserFrame
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x: root.edge == Qt.LeftEdge ? 0 : root.width - browserFrame.width
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}
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},
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State {
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name: "Dragging"
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//workaround for a quirkiness of the state machine
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//if no x binding gets defined in this state x will be set to whatever last x it had last time it was in this state
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PropertyChanges {
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target: browserFrame
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x: mouseEventListener.startBrowserFrameX
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}
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},
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State {
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name: "Closed"
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PropertyChanges {
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target: browserFrame
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x: root.edge == Qt.LeftEdge ? -browserFrame.width : root.width
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}
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}
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]
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transitions: [
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Transition {
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//Exclude Dragging
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to: "Open,Closed"
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NumberAnimation {
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id: transitionAnim
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properties: "x"
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duration: Units.longDuration
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easing.type: Easing.InOutQuad
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}
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}
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]
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}
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}
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}
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