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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import QtCore
import QtQuick
import QtQuick.Layouts
import QtQuick.Controls
import QtQml
import QtMultimedia
GridLayout {
id: top
required property var topWindow
required property bool useLandscapeLayout
// There is no signal for tracking when the list of CapturableWindows changed. We store them
// here as a property so we can track them.
property var capturableWindowsList: []
property bool periodicallyRefreshWindows: false
WindowCapture {
id: windowCapture
onActiveChanged: () => {
console.log("QWindowCapture active changed: " + active)
// CheckBox has a weird behavior where it will remove our bindings when activated.
// Update the value manually here
if (active === true)
windowCaptureActiveCheckBox.checkState = Qt.Checked
else
windowCaptureActiveCheckBox.checkState = Qt.Unchecked
}
onErrorChanged: () => {
console.log("QWindowCapture error changed: " + error)
}
onErrorStringChanged: (msg) => {
console.log("QWindowCapture error string changed: " + errorString)
}
}
CaptureSession {
windowCapture: windowCapture
videoOutput: windowCaptureVideoOutput
}
// There is no signal for refreshing capturable windows. This
// timer lets us refresh it frequently.
Timer {
interval: 500
running: top.periodicallyRefreshWindows
repeat: true
triggeredOnStart: true
onTriggered: () => {
top.capturableWindowsList = windowCapture.capturableWindows()
}
}
Layout.fillWidth: true
columns: useLandscapeLayout === true ? 2 : 1
ColumnLayout {
Layout.alignment: Qt.AlignTop
Button {
text: "Select app window"
onClicked: () => {
windowCapture.window = topWindow
}
}
Button {
text: "Refresh list of windows"
onClicked: () => {
top.capturableWindowsList = windowCapture.capturableWindows()
}
}
CheckBox {
id: windowCaptureActiveCheckBox
text: "Active"
onClicked: () => {
if (checkState === Qt.Checked)
windowCapture.start()
else
windowCapture.stop()
checkState = windowCapture.active === true ? Qt.Checked : Qt.Unchecked
}
}
CheckBox {
text: "Periodically refresh windows"
checkState: top.periodicallyRefreshWindows === true ? Qt.Checked : Qt.Unchecked
onClicked: () => {
top.periodicallyRefreshWindows = !top.periodicallyRefreshWindows
checkState = top.periodicallyRefreshWindows === true ? Qt.Checked : Qt.Unchecked
}
}
CheckBox {
id: hideInvalidWindowsCheckbox
text: "Hide invalid windows"
checkState: Qt.Unchecked
}
Label {
text: "Capturable windows:"
}
Frame {
Layout.preferredWidth: 200
Layout.preferredHeight: windowsListView.model.length > 0 ? 200 : 50
ListView {
id: windowsListView
anchors.fill: parent
clip: true
model: top.capturableWindowsList
.filter((item) => {
if (hideInvalidWindowsCheckbox.checkState === Qt.Unchecked)
return true
if (item.isValid === false)
return false
return true
})
currentIndex: model
.findIndex((item) => item === windowCapture.window)
delegate: ItemDelegate {
required property var modelData
required property int index
highlighted: ListView.isCurrentItem
function buildText(item) {
let outString = ""
if (modelData.isValid === false)
outString += "(Invalid) "
outString += item.description
return outString
}
text: buildText(modelData)
onClicked: () => {
windowCapture.window = modelData
}
}
}
}
}
Frame {
Layout.alignment: Qt.AlignTop
Layout.fillWidth: true
Layout.preferredHeight: 400
VideoOutput {
anchors.fill: parent
id: windowCaptureVideoOutput
}
}
}
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