HorizontalHeaderView QML Type▲
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Import Statement: import QtQuick.Controls
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Inherits: TableView
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Group: HorizontalHeaderView is part of qtquickcontrols-containers
Detailed Description▲
A HorizontalHeaderView provides a styled table header. It can either be used as an independent view or header for a TableView.
You can add a header for a TableView by assigning a HorizontalHeaderView to the TableView::syncView property. The header and the table will then be kept in sync while flicking.
By default, HorizontalHeaderView displays header data from the sync view's model. If you don't wish to use this model, you can assign a different model to the model property. If you assign a model that is a QAbstractItemModel, its header data will be used. Otherwise the data in the model will be used directly (for example, if you assign a model that is simply an array of strings).
By default, textRole is set to "display", meaning that data from the model's Qt::DisplayRole will be used. You can set this to another role name in order to have that data displayed instead.
The application is responsible for placing the header at the correct location in the scene. You can add as many headers as you want to a single TableView, which can be useful if you for example want to place headers on all four sides of the table.
The following snippet shows how you can add a horizontal and vertical header view to a table view:
import QtQuick
import QtQuick.Controls
import Qt.labs.qmlmodels
ApplicationWindow {
visible: true
width: 640
height: 480
title: qsTr("HeaderView")
Rectangle {
anchors.fill: parent
// The background color will show through the cell
// spacing, and therefore become the grid line color.
color: Qt.styleHints.appearance === Qt.Light ? palette.mid : palette.midlight
HorizontalHeaderView {
id: horizontalHeader
anchors.left: tableView.left
anchors.top: parent.top
syncView: tableView
clip: true
}
VerticalHeaderView {
id: verticalHeader
anchors.top: tableView.top
anchors.left: parent.left
syncView: tableView
clip: true
}
TableView {
id: tableView
anchors.left: verticalHeader.right
anchors.top: horizontalHeader.bottom
anchors.right: parent.right
anchors.bottom: parent.bottom
clip: true
columnSpacing: 1
rowSpacing: 1
model: TableModel {
TableModelColumn { display: "name" }
TableModelColumn { display: "color" }
rows: [
{
"name": "cat",
"color": "black"
},
{
"name": "dog",
"color": "brown"
},
{
"name": "bird",
"color": "white"
}
]
}
delegate: Rectangle {
implicitWidth: 100
implicitHeight: 20
color: palette.base
Label {
text: display
}
}
}
}A HorizontalHeaderView will have resizableColumns set to true by default.
See Also▲
See also VerticalHeaderView
Property Documentation▲
model : QVariant▲
This property holds the model providing data for the horizontal header view.
When model is not explicitly set, the header will use the syncView's model once syncView is set.
If model is a QAbstractTableModel, its horizontal headerData() will be accessed.
If model is a QAbstractItemModel other than QAbstractTableModel, model's data() will be accessed.
Otherwise, the behavior is same as setting TableView::model.
See Also▲
See also TableView, model, QAbstractTableModel
syncView : TableView▲
This property holds the TableView to synchronize with.
Once this property is bound to another TableView, both header and table will synchronize with regard to column widths, column spacing, and flicking horizontally.
If the model is not explicitly set, then the header will use the syncView's model to label the columns.
See Also▲
textRole : QString▲
This property holds the model role used to display text in each header cell.
When the model has multiple roles, textRole can be set to determine which role should be displayed.
If model is a QAbstractItemModel then it will default to "display"; otherwise it is empty.
See Also▲
See also QAbstractItemModel::roleNames()