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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Device Utilities module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick
Item {
id: handwritingModeButton
state: "unavailable"
property bool floating
property bool flipable
readonly property real __minWidthHeight: Math.min(width, height)
signal clicked()
signal doubleClicked()
Flipable {
id: flipableImage
anchors.fill: parent
property bool flipped
front: Image {
sourceSize.width: handwritingModeButton.__minWidthHeight
sourceSize.height: handwritingModeButton.__minWidthHeight
smooth: false
source: "images/FloatingButton_Unavailable.png"
}
back: Image {
id: buttonImage
sourceSize.width: handwritingModeButton.__minWidthHeight
sourceSize.height: handwritingModeButton.__minWidthHeight
smooth: false
source: "images/FloatingButton_Available.png"
}
states: State {
PropertyChanges { target: rotation; angle: 180 }
when: flipableImage.flipped
}
transform: Rotation {
id: rotation
origin.x: flipableImage.width / 2
origin.y: flipableImage.height / 2
axis { x: 0; y: 1; z: 0 }
angle: 0
}
transitions: Transition {
enabled: handwritingModeButton.flipable
NumberAnimation { target: rotation; property: "angle"; duration: 400 }
}
}
states: [
State {
name: "available"
PropertyChanges { target: flipableImage; flipped: true }
},
State {
name: "active"
PropertyChanges { target: flipableImage; flipped: true }
PropertyChanges { target: buttonImage; source: "images/FloatingButton_Active.png" }
}
]
function snapHorizontal() {
if (!floating)
return
if (mouseArea.drag.maximumX > mouseArea.drag.minimumX) {
if (x + 20 >= mouseArea.drag.maximumX) {
anchors.left = undefined
anchors.right = parent.right
} else if (x - 20 <= mouseArea.drag.minimumX) {
anchors.right = undefined
anchors.left = parent.left
}
}
}
function snapVertical() {
if (!floating)
return
if (mouseArea.drag.maximumY > mouseArea.drag.minimumY) {
if (y + 20 >= mouseArea.drag.maximumY) {
anchors.top = undefined
anchors.bottom = parent.bottom
} else if (y - 20 <= mouseArea.drag.minimumY) {
anchors.bottom = undefined
anchors.top = parent.top
}
}
}
MouseArea {
id: mouseArea
anchors.fill: parent
drag {
target: handwritingModeButton.floating ? handwritingModeButton : undefined
axis: Drag.XAxis | Drag.YAxis
minimumX: 0
maximumX: handwritingModeButton.parent.width - handwritingModeButton.width
onMaximumXChanged: !mouseArea.drag.active && handwritingModeButton.snapHorizontal()
minimumY: 0
maximumY: handwritingModeButton.parent.height - handwritingModeButton.height
onMaximumYChanged: !mouseArea.drag.active && handwritingModeButton.snapVertical()
}
onPressed: {
if (!handwritingModeButton.floating)
return
handwritingModeButton.anchors.left = undefined
handwritingModeButton.anchors.top = undefined
handwritingModeButton.anchors.right = undefined
handwritingModeButton.anchors.bottom = undefined
}
onReleased: {
handwritingModeButton.snapHorizontal()
handwritingModeButton.snapVertical()
}
onClicked: {
handwritingModeButton.snapHorizontal()
handwritingModeButton.snapVertical()
clickTimer.restart()
}
onDoubleClicked: {
clickTimer.stop()
handwritingModeButton.snapHorizontal()
handwritingModeButton.snapVertical()
handwritingModeButton.doubleClicked()
}
Timer {
id: clickTimer
interval: Qt.styleHints ? Qt.styleHints.mouseDoubleClickInterval / 3 : 0
repeat: false
onTriggered: handwritingModeButton.clicked()
}
}
}
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