/usr/share/unity8/Dash/Previews/PreviewHeader.qml is in unity8-common 8.12+16.04.20160401-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2014,2015 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 Dash 0.1
import "../"
/*! This preview widget shows a header
* The title comes in widgetData["title"]
* The mascot comes in widgetData["mascot"]
* The mascot fall back image comes in widgetData["fallback"]
* The subtitle comes in widgetData["subtitle"]
* The attributes comes in widgetData["attributes"]
* The emblem comes in widgetData["emblem"]
*/
PreviewWidget {
id: root
implicitHeight: childrenRect.height
Item {
id: headerRoot
objectName: "innerPreviewHeader"
readonly property url mascot: root.widgetData["mascot"] || fallback
readonly property url fallback: root.widgetData["fallback"] || ""
readonly property string title: root.widgetData["title"] || ""
readonly property string subtitle: root.widgetData["subtitle"] || ""
readonly property var attributes: root.widgetData["attributes"] || null
readonly property url emblem: root.widgetData["emblem"] || ""
readonly property color fontColor: root.scopeStyle ? root.scopeStyle.foreground : theme.palette.normal.baseText
// Rewire the source since we may have unwired it on onStatusChanged
onMascotChanged: if (mascotShapeLoader.item) mascotShapeLoader.item.source.source = mascot;
implicitHeight: row.height + row.margins * 2
width: parent.width
Row {
id: row
objectName: "outerRow"
property real margins: units.gu(1)
spacing: mascotShapeLoader.active ? margins : 0
anchors {
top: parent.top; left: parent.left; right: parent.right
margins: margins
leftMargin: spacing
rightMargin: spacing
}
Loader {
id: mascotShapeLoader
objectName: "mascotShapeLoader"
active: headerRoot.mascot != ""
visible: active
anchors.verticalCenter: parent.verticalCenter
// TODO karni: Icon aspect-ratio is 8:7.5. Revisit these values to avoid fraction of pixels.
width: units.gu(6)
height: units.gu(5.625)
readonly property int maxSize: Math.max(width, height) * 4
asynchronous: true
sourceComponent: UbuntuShape {
objectName: "mascotShape"
visible: source.status === Image.Ready
sourceFillMode: UbuntuShape.PreserveAspectCrop
sourceHorizontalAlignment: UbuntuShape.AlignHCenter
sourceVerticalAlignment: UbuntuShape.AlignVCenter
source: Image {
source: headerRoot.mascot
width: source ? mascotShapeLoader.width : 0
height: mascotShapeLoader.height
sourceSize { width: mascotShapeLoader.maxSize; height: mascotShapeLoader.maxSize }
onStatusChanged: if (status === Image.Error) source = headerRoot.fallback;
}
}
}
Column {
objectName: "column"
width: parent.width - x
spacing: units.dp(2)
anchors.verticalCenter: parent.verticalCenter
Item {
anchors { left: parent.left; right: parent.right }
height: titleLabel.height
Label {
id: titleLabel
objectName: "titleLabel"
anchors {
left: parent.left;
right: iconLoader.right
rightMargin: iconLoader.width > 0 ? units.gu(0.5) : 0
}
elide: Text.ElideRight
font.weight: Font.Normal
fontSize: "large"
wrapMode: Text.Wrap
color: headerRoot.fontColor
text: headerRoot.title
}
Loader {
id: iconLoader
active: headerRoot.emblem != ""
anchors {
bottom: titleLabel.baseline
right: parent.right
}
sourceComponent: Icon {
objectName: "emblemIcon"
source: headerRoot.emblem
color: headerRoot.fontColor
height: source != "" ? titleLabel.font.pixelSize : 0
// FIXME Workaround for bug https://bugs.launchpad.net/ubuntu/+source/ubuntu-ui-toolkit/+bug/1421293
width: implicitWidth > 0 && implicitHeight > 0 ? (implicitWidth / implicitHeight * height) : implicitWidth
}
}
}
Loader {
active: titleLabel.text && headerRoot.subtitle
anchors { left: parent.left; right: parent.right }
sourceComponent: Label {
id: subtitleLabel
objectName: "subtitleLabel"
elide: Text.ElideRight
fontSize: "small"
font.weight: Font.Light
color: headerRoot.fontColor
text: headerRoot.subtitle
}
}
Loader {
active: titleLabel.text && headerRoot.attributes
anchors { left: parent.left; right: parent.right }
sourceComponent: CardAttributes {
id: previewAttributes
objectName: "previewAttributes"
model: headerRoot.attributes
}
}
}
}
}
}
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