Update README with install step

Add installation capability to Audiobooks.pro
Add SPDX headers to sources

Audiobooks.pro

@@ -45,11 +45,6 @@ QML_IMPORT_PATH =
 # Additional import path used to resolve QML modules just for Qt Quick Designer
 QML_DESIGNER_IMPORT_PATH =
 
-# Default rules for deployment.
-qnx: target.path = /tmp/$${TARGET}/bin
-else: unix:!android: target.path = /opt/$${TARGET}/bin
-!isEmpty(target.path): INSTALLS += target
-
 DISTFILES = \
     $$files(qml/*, true)
 
@@ -59,3 +54,22 @@ resources.files = \
     $$files(qml/*, true)
 
 RESOURCES += resources
+
+# ---- install prefix ----
+isEmpty(PREFIX) {
+    PREFIX = /usr/local
+}
+
+# ---- binary ----
+target.path = $$PREFIX/bin
+INSTALLS += target
+
+# ---- desktop file ----
+desktop.files = Audiobooks.desktop
+desktop.path = $$PREFIX/share/applications
+INSTALLS += desktop
+
+# ---- icon ----
+icon.files = Audiobooks.png
+icon.path = $$PREFIX/share/icons/hicolor/512x512/apps
+INSTALLS += icon

README.md

@@ -25,6 +25,10 @@ $ make -j$(nproc)
 $ ./Audiobooks
 ```
 
+You can then install it with `sudo make install` if you'd like.
+
+The default PREFIX for installation is /usr/local
+
 ## Using
 
 Any audiobooks in a supported format (m4b, at this time) should be placed into `~/Documents/Audiobooks`.

qml/AProgressBar.qml

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 import QtQuick
 import org.kde.kirigami as Kirigami
 

qml/Manager.qml

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 import QtQuick
 import QtCore
 

qml/MiniPlayerOverlay.qml

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 import QtQuick
 import QtQuick.Controls as QQC2
 import QtQuick.Layouts

qml/PageLibrary.qml

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 import QtQuick
 import QtQuick.Controls as QQC2
 import QtQuick.Layouts

qml/PageNowPlaying.qml

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 import QtQuick
 import QtQuick.Controls as QQC2
 import QtQuick.Layouts
@@ -199,11 +203,13 @@ Kirigami.Page {
             } // ColumnLayout (player controls)
 
             ColumnLayout {
+                visible: buttonStartResume.visible || buttonStartOver.visible
                 Layout.preferredWidth: parent.width * 0.75
                 Layout.alignment: Qt.AlignHCenter
                 spacing: Kirigami.Units.largeSpacing
 
                 QQC2.Button {
+                    id: buttonStartResume
                     visible: !nowPlayingPageItem.isPlaying
                     display: QQC2.AbstractButton.TextUnderIcon
                     Layout.fillWidth: true
@@ -214,6 +220,7 @@ Kirigami.Page {
                 }
 
                 QQC2.Button {
+                    id: buttonStartOver
                     display: QQC2.AbstractButton.TextUnderIcon
                     visible: nowPlayingPageItem.isPlaying ?
                         manager.m_currentBook["position"] > (manager.m_currentBook["length"] - 10)

qml/main.qml

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 import QtCore
 
 import QtQuick

src/file.cpp

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #include <QQmlEngine>
 
 #include "file.h"

src/file.h

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #ifndef FILE_H
 #define FILE_H
 

src/librarydb.cpp

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #include "librarydb.h"
 
 #include <QDateTime>

src/librarydb.h

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #pragma once
 
 #include <QObject>

src/main.cpp

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #include <QGuiApplication>
 #include <QQmlApplicationEngine>
 #include <QQmlContext>

src/mpris.cpp

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #include "mpris.h"
 #include "mprisadaptor.h"
 #include "mprisplayer.h"

src/mpris.h

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #ifndef MPRIS_H
 #define MPRIS_H
 

src/mprisadaptor.cpp

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #include "mprisadaptor.h"
 
 MprisAdaptor::MprisAdaptor(QObject *parent)

src/mprisadaptor.h

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #ifndef MPRISADAPTOR_H
 #define MPRISADAPTOR_H
 

src/mprisplayer.cpp

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #include "mprisplayer.h"
 #include "mpris.h"
 

src/mprisplayer.h

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #ifndef MPRISPLAYER_H
 #define MPRISPLAYER_H
 

src/mpvaudio.cpp

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #include "mpvaudio.h"
 
 #include <QtGlobal>

src/mpvaudio.h

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #ifndef MPVAUDIO_H
 #define MPVAUDIO_H
 

src/screen.cpp

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #include "screen.h"
 
 Screen::Screen(QObject *parent)

src/screen.h

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #ifndef SCREEN_H
 #define SCREEN_H
 

src/thumbnailprovider.cpp

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #include "thumbnailprovider.h"
 
 #include <QDebug>

src/thumbnailprovider.h

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2026 Daniel O'Neill <daniel@oneill.app>
+//
+// SPDX-License-Identifier: LGPL-3.0-only
+
 #pragma once
 
 #include <QImage>