/usr/share/unity8/Dash/Previews/PreviewZoomableImage.qml is in unity8-common 8.12+16.04.20160401-0ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | /*
* Copyright (C) 2014 Canonical, Ltd.
*
* This program 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; version 3.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
import QtQuick 2.4
import Ubuntu.Components 1.3
import "../../Components"
/*! \brief Preview widget for image.
This widget shows image contained in widgetData["source"],
and falls back to widgetData["fallback"] if loading fails
can be zoomable accordingly with widgetData["zoomable"].
*/
PreviewWidget {
id: root
implicitWidth: units.gu(35)
implicitHeight: lazyImage.height
widgetMargins: -units.gu(1)
property Item rootItem: QuickUtils.rootItem(root)
LazyImage {
id: lazyImage
objectName: "lazyImage"
anchors {
left: parent.left
right: parent.right
}
scaleTo: "width"
source: widgetData["source"] || widgetData["fallback"] || ""
asynchronous: true
useUbuntuShape: false
pressed: mouseArea.pressed
MouseArea {
id: mouseArea
anchors.fill: parent
onClicked: {
overlay.initialX = rootItem.mapFromItem(parent, 0, 0).x;
overlay.initialY = rootItem.mapFromItem(parent, 0, 0).y;
overlay.show();
}
}
Connections {
target: lazyImage.sourceImage
// If modelData would change after failing to load it would not be
// reloaded since the source binding is destroyed by the source = fallback
// But at the moment the model never changes
onStatusChanged: if (lazyImage.sourceImage.status === Image.Error) lazyImage.sourceImage.source = widgetData["fallback"];
}
PreviewMediaToolbar {
id: toolbar
anchors {
left: parent.left
right: parent.right
bottom: parent.bottom
}
shareData: widgetData["share-data"]
}
}
PreviewOverlay {
id: overlay
objectName: "overlay"
parent: rootItem
anchors.fill: parent
initialWidth: lazyImage.width
initialHeight: lazyImage.height
delegate: ZoomableImage {
anchors.fill: parent
source: widgetData["source"] || widgetData["fallback"] || ""
zoomable: widgetData["zoomable"] ? widgetData["zoomable"] : false
// If modelData would change after failing to load it would not be
// reloaded since the source binding is destroyed by the source = fallback
// But at the moment the model never changes
onStatusChanged: if (status === Image.Error) source = widgetData["fallback"];
}
}
}
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