Button/qml/SettingsDialog.qml

import QtQuick 2.12
import QtQuick.Controls 2.12
import QtQuick.Layouts 1.12
import "settings"

Dialog {
    id: dlg
    modal: true
    title: "Настройки"
    width: Math.min(720, parent ? parent.width * 0.95 : 720)
    height: Math.min(560, parent ? parent.height * 0.95 : 560)
    anchors.centerIn: parent
    standardButtons: Dialog.Close

    // BannerPage "Показать сейчас": the dialog closes, Main shows the banner.
    signal bannerPreview()

    readonly property color panelBg: "#161628"
    readonly property color panelFg: "#ffffff"
    readonly property color panelMuted: "#cccccc"
    readonly property color controlBg: "#2a2a40"

    palette.button: controlBg
    palette.buttonText: panelFg
    palette.window: panelBg
    palette.windowText: panelFg
    palette.text: panelFg
    palette.base: "#222236"
    palette.alternateBase: controlBg
    palette.highlight: "#4a4a70"
    palette.highlightedText: panelFg

    background: Rectangle {
        color: panelBg
        radius: 4
    }

    StackView {
        id: stack
        anchors.fill: parent
        initialItem: mainPageComp

        background: Rectangle {
            color: panelBg
        }
    }

    Component {
        id: mainPageComp
        MainPage {
            onOpenButtons: stack.push(buttonsPageComp)
            onOpenLayout: stack.push(layoutPageComp)
            onOpenBackground: stack.push(backgroundPageComp)
            onOpenFeedback: stack.push(feedbackPageComp)
            onOpenBanner: stack.push(bannerPageComp)
            onOpenNetwork: stack.push(networkPageComp)
            onOpenUpdate: stack.push(updatePageComp)
            onChangePassword: changePwdDialog.open()
        }
    }

    Component {
        id: buttonsPageComp
        ButtonsPage {
            onCreateRequested: editorDialog.openForCreate()
            onEditRequested: function(data) { editorDialog.openForEdit(data) }
        }
    }

    Component { id: layoutPageComp;     LayoutPage {} }
    Component { id: backgroundPageComp; BackgroundPage {} }
    Component { id: feedbackPageComp;   FeedbackPage {} }
    Component { id: networkPageComp;    NetworkInfoPage {} }
    Component { id: updatePageComp;     UpdatePage {} }
    Component {
        id: bannerPageComp
        BannerPage {
            onPreviewRequested: {
                dlg.close()
                dlg.bannerPreview()
            }
        }
    }

    ButtonEditorDialog { id: editorDialog }

    onClosed: {
        changePwdDialog.close()
        editorDialog.close()
    }

    Dialog {
        id: changePwdDialog
        modal: true
        parent: Overlay.overlay
        title: "Сменить пароль"
        anchors.centerIn: parent
        width: Math.min(420, dlg.width * 0.9)
        standardButtons: Dialog.Ok | Dialog.Cancel

        palette.button: dlg.controlBg
        palette.buttonText: dlg.panelFg
        palette.window: dlg.panelBg
        palette.windowText: dlg.panelFg
        palette.text: dlg.panelFg
        palette.base: "#222236"

        background: Rectangle {
            color: dlg.panelBg
            radius: 4
        }

        contentItem: ColumnLayout {
            spacing: 8
            TextField {
                id: newPwdField
                Layout.fillWidth: true
                Layout.preferredHeight: 40
                placeholderText: "Новый пароль"
                onAccepted: changePwdDialog.accept()
            }
            Text {
                id: pwdEmptyHint
                Layout.fillWidth: true
                visible: false
                color: "red"
                text: "Введите новый пароль"
            }
        }

        onOpened: {
            newPwdField.text = ""
            pwdEmptyHint.visible = false
            newPwdField.forceActiveFocus()
        }
        onAccepted: {
            var p = newPwdField.text.trim()
            if (p.length === 0) {
                pwdEmptyHint.visible = true
                Qt.callLater(changePwdDialog.open)
                return
            }
            btnController.setPassword(p)
            newPwdField.text = ""
            pwdEmptyHint.visible = false
        }
    }
}