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path: root/desktop/modules/bluetooth/BluetoothPage.qml
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// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// 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.

import QtQuick
import "../.."

Column {
    id: page

    required property var bt
    signal back

    spacing: 14

    // --- Adapter ---

    Item {
        width: page.width
        implicitHeight: Math.max(btLabel.implicitHeight, powerSwitch.implicitHeight)

        Text {
            id: btLabel
            anchors.verticalCenter: parent.verticalCenter
            text: "Bluetooth"
            font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 1; bold: true }
            color: Theme.text
        }

        Switch {
            id: powerSwitch
            anchors { right: parent.right; verticalCenter: parent.verticalCenter }
            enabled: page.bt.adapter !== null
            checked: page.bt.adapter ? page.bt.adapter.enabled : false
            onToggled: if (page.bt.adapter) page.bt.adapter.enabled = checked
        }
    }

    Text {
        width: page.width
        visible: !(page.bt.adapter && page.bt.adapter.enabled)
        text: "Bluetooth off"
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2 }
        color: Theme.subtext
    }

    Item {
        width: page.width
        visible: page.bt.adapter && page.bt.adapter.enabled
        implicitHeight: Math.max(visLabel.implicitHeight, visSwitch.implicitHeight)

        Text {
            id: visLabel
            anchors.verticalCenter: parent.verticalCenter
            text: "Visible"
            font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2 }
            color: Theme.text
        }

        Switch {
            id: visSwitch
            anchors { right: parent.right; verticalCenter: parent.verticalCenter }
            enabled: page.bt.adapter !== null
            checked: page.bt.adapter ? page.bt.adapter.discoverable : false
            onToggled: if (page.bt.adapter) page.bt.adapter.discoverable = checked
        }
    }

    Row {
        width: page.width
        visible: page.bt.adapter && page.bt.adapter.enabled
        spacing: 8

        Button {
            text: page.bt.adapter && page.bt.adapter.discovering ? "Stop scan" : "Scan"
            onClicked: if (page.bt.adapter) page.bt.adapter.discovering = !page.bt.adapter.discovering
        }

        // BlueZ discovery runs until stopped, and closing the drawer does not
        // stop it, so a forgotten scan keeps the radio busy for the session.
        // Bound to the property rather than started by the button: a manual
        // stop cancels the clock, and reopening the page re-arms a fresh 60s
        // on a scan still running from before.
        Timer {
            interval: 60000
            running: page.bt.adapter ? page.bt.adapter.discovering : false
            onTriggered: if (page.bt.adapter) page.bt.adapter.discovering = false
        }
    }

    // --- Connected ---

    Text {
        width: page.width
        visible: page.bt.connectedDevices.length > 0
        text: "Connected"
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2; bold: true }
        color: Theme.subtext
    }

    Repeater {
        model: page.bt.connectedDevices

        BluetoothRow {
            required property var modelData
            bt: page.bt
            device: modelData
            width: page.width
        }
    }

    // --- Paired ---

    Text {
        width: page.width
        visible: page.bt.pairedDevices.length > 0
        text: "Paired"
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2; bold: true }
        color: Theme.subtext
    }

    Repeater {
        model: page.bt.pairedDevices

        BluetoothRow {
            required property var modelData
            bt: page.bt
            device: modelData
            width: page.width
        }
    }

    // --- Available (found while scanning, not yet paired) ---

    Text {
        width: page.width
        visible: page.bt.availableDevices.length > 0
        text: "Available"
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2; bold: true }
        color: Theme.subtext
    }

    Repeater {
        model: page.bt.availableDevices

        Rectangle {
            required property var modelData

            width: page.width
            implicitHeight: availText.implicitHeight + 16
            radius: 8
            color: Qt.alpha(Theme.surface, 0.35)

            Text {
                id: availText
                anchors { left: parent.left; leftMargin: 10; verticalCenter: parent.verticalCenter }
                width: parent.width - pairBtn.width - 28
                elide: Text.ElideRight
                text: page.bt.pairing.busy && page.bt.pairing.address === modelData.address
                    ? "Pairing…"
                    : (modelData.name || modelData.deviceName || modelData.address)
                font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2 }
                color: Theme.text
            }

            Button {
                id: pairBtn
                anchors { right: parent.right; rightMargin: 8; verticalCenter: parent.verticalCenter }
                text: "Pair"
                enabled: !page.bt.pairing.busy
                onClicked: page.bt.pairing.pair(modelData.address)
            }
        }
    }

    // A failed pairing leaves the real bluetoothctl output here. No timeout:
    // it stays until dismissed, and the next failure sets it again, so an
    // identical error reappears rather than staying hidden. Dismissing clears
    // the source, not a local flag, so it survives this page unloading. The
    // desktop notification is sent separately and is not touched by this.
    Rectangle {
        width: page.width
        visible: page.bt.pairing.error !== ""
        implicitHeight: errText.implicitHeight + 16
        radius: 8
        color: Qt.alpha(Theme.red, 0.12)
        border.width: 1
        border.color: Qt.alpha(Theme.red, 0.35)

        Text {
            id: errText
            anchors {
                left: parent.left; leftMargin: 10
                right: errClose.left; rightMargin: 8
                verticalCenter: parent.verticalCenter
            }
            wrapMode: Text.Wrap
            text: page.bt.pairing.error
            font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 3 }
            color: Theme.red
        }

        Text {
            id: errClose
            anchors { right: parent.right; rightMargin: 8; verticalCenter: parent.verticalCenter }
            width: 20
            height: 20
            text: "\uf00d"
            horizontalAlignment: Text.AlignHCenter
            verticalAlignment: Text.AlignVCenter
            font { family: Theme.iconFamily; pixelSize: 13 }
            color: errCloseArea.containsMouse ? Theme.red : Theme.subtext

            MouseArea {
                id: errCloseArea
                anchors.fill: parent
                anchors.margins: -6
                hoverEnabled: true
                cursorShape: Qt.PointingHandCursor
                onClicked: page.bt.pairing.error = ""
            }
        }
    }
}