calamares-settings/qml/calamares/slideshow/NavButton.qml
2019-10-28 13:48:02 +00:00

69 lines
2.0 KiB
QML

/* === This file is part of Calamares - <https://github.com/calamares> ===
*
* Copyright 2018, Adriaan de Groot <groot@kde.org>
*
* Calamares is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Calamares is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Calamares. If not, see <http://www.gnu.org/licenses/>.
*/
/* This is a navigation (arrow) button that fades in on hover, and
* which calls forward / backward navigation on the presentation it
* is in. It should be a child item of the presentation (not of a
* single slide). Use the ForwardButton or BackButton for a pre-
* configured instance that interacts with the presentation.
*/
import QtQuick 2.5;
Image {
id: fade
property bool isForward : true
width: 100
height: 100
anchors.verticalCenter: parent.verticalCenter
opacity: 0.3
OpacityAnimator {
id: fadeIn
target: fade
from: fade.opacity
to: 1.0
duration: 500
running: false
}
OpacityAnimator {
id: fadeOut
target: fade
from: fade.opacity
to: 0.3
duration: 250
running: false
}
MouseArea {
anchors.fill: parent
hoverEnabled: true
onEntered: { fadeOut.running = false; fadeIn.running = true }
onExited: { fadeIn.running = false ; fadeOut.running = true }
onClicked: {
if (isForward)
fade.parent.goToNextSlide()
else
fade.parent.goToPreviousSlide()
}
}
}