chore(comp): change compositions

functions.py

@@ -70,17 +70,17 @@ thread_monitor_messages = "thread_monitor_messages"
 thread_refresh_cache = "thread_refresh_cache"
 thread_refresh_ui = "thread_refresh_ui"
 
-cache_dir = "%s/.cache/archlinux-kernel-manager" % home
+cache_dir = "%s/.cache/snigdhaos-kernel-manager" % home
 cache_file = "%s/kernels.toml" % cache_dir
 cache_update = "%s/update" % cache_dir
 
-log_dir = "/var/log/archlinux-kernel-manager"
+log_dir = "/var/log/snigdhaos-kernel-manager"
 event_log_file = "%s/event.log" % log_dir
 
 
 config_file_default = "%s/defaults/config.toml" % base_dir
-config_dir = "%s/.config/archlinux-kernel-manager" % home
-config_file = "%s/.config/archlinux-kernel-manager/config.toml" % home
+config_dir = "%s/.config/snigdhaos-kernel-manager" % home
+config_file = "%s/.config/snigdhaos-kernel-manager/config.toml" % home
 
 logger = logging.getLogger("logger")
 
@@ -1603,7 +1603,7 @@ def update_bootloader(self):
                 else:
                     if (
                         "Skipping"
-                        or "same boot loader version in place already." in stdout_lines
+                        or "same boot loader version in place already." in self.stdout_lines
                     ):
                         logger.info("%s update completed" % self.bootloader)
 
@@ -1636,7 +1636,7 @@ def update_bootloader(self):
                         )
 
                         logger.error("%s update failed" % self.bootloader)
-                        logger.error(str(stdout_lines))
+                        logger.error(str(self.stdout_lines))
                         self.messages_queue.put(event)
 
                         GLib.idle_add(

kernel.py

@@ -0,0 +1,51 @@
+# Store kernel data taken from
+import datetime
+from datetime import datetime
+
+
+class Kernel:
+    def __init__(self, name, headers, version, size, last_modified, file_format):
+        self.name = name
+        self.headers = headers
+        self.version = version
+        self.size = size
+        self.last_modified = last_modified
+        self.file_format = file_format
+
+    def __gt__(self, other):
+        datetime_value_self = (
+            datetime.strptime(self.last_modified, "%d-%b-%Y %H:%M")
+            .replace(tzinfo=None)
+            .date()
+        )
+
+        datetime_value_other = (
+            datetime.strptime(other.last_modified, "%d-%b-%Y %H:%M")
+            .replace(tzinfo=None)
+            .date()
+        )
+
+        if datetime_value_other > datetime_value_self:
+            return datetime_value_other
+
+
+class CommunityKernel:
+    def __init__(self, name, headers, repository, version, build_date, install_size):
+        self.name = name
+        self.headers = headers
+        self.repository = repository
+        self.version = version
+        self.build_date = build_date
+        self.install_size = install_size
+
+    def __gt__(self, other):
+        if other.name > self.name:
+            return other
+
+
+class InstalledKernel:
+    def __init__(self, name, version, date, size):
+        self.name = name
+        self.version = version
+        self.date = date
+        self.size = size

snigdhaos-kernel-manager.py

@@ -35,7 +35,7 @@ class Main(Gtk.Application):
         display = Gtk.Widget.get_display(win)
 
         # sourced from /usr/share/icons/hicolor/scalable/apps
-        win.set_icon_name("archlinux-kernel-manager-tux")
+        win.set_icon_name("snigdhaos-kernel-manager-tux")
         provider = Gtk.CssProvider.new()
         css_file = Gio.file_new_for_path(base_dir + "/snigdhaos-kernel-manager.css")
         provider.load_from_file(css_file)

ui/AboutDialog.py

@@ -0,0 +1,67 @@
+# This class stores static information about the app, and is displayed in the about window
+import os
+import gi
+import functions as fn
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk, Gio, Gdk
+
+base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+
+
+class AboutDialog(Gtk.AboutDialog):
+    def __init__(self, manager_gui, **kwargs):
+        super().__init__(**kwargs)
+
+        website = "http://arcolinux.info/"
+        authors = ["Erik Dubois", "Fennec"]
+        program_name = "Arch Linux Kernel Manager"
+        comments = (
+            f"Add/Remove Officially supported Linux kernels on Arch based systems\n"
+            f"Powered by the Arch Linux Archive (a.k.a ALA)\n"
+            f"Community based Linux kernels are also supported\n"
+            f"Developed in Python with GTK 4\n"
+        )
+
+        icon_name = "akm-tux"
+
+        self.set_transient_for(manager_gui)
+        self.set_modal(True)
+        self.set_authors(authors)
+        self.set_program_name(program_name)
+        self.set_comments(comments)
+        self.set_website(website)
+
+        self.set_logo_icon_name(icon_name)
+        self.set_version("Version %s" % manager_gui.app_version)
+
+        self.connect("activate-link", self.on_activate_link)
+
+        tux_icon = Gdk.Texture.new_from_file(
+            file=Gio.File.new_for_path(
+                os.path.join(base_dir, "images/96x96/akm-tux.png")
+            )
+        )
+
+        self.set_logo(tux_icon)
+
+    def on_activate_link(self, about_dialog, uri):
+        try:
+            cmd = ["sudo", "-u", fn.sudo_username, "xdg-open", uri]
+
+            proc = fn.subprocess.Popen(
+                cmd,
+                shell=False,
+                stdout=fn.subprocess.PIPE,
+                stderr=fn.subprocess.STDOUT,
+                universal_newlines=True,
+            )
+
+            out, err = proc.communicate(timeout=50)
+
+            fn.logger.warning(out)
+
+        except Exception as e:
+            fn.logger.error("Exception in activate_link(): %s" % e)
+
+        return True

ui/FlowBox.py

@@ -0,0 +1,638 @@
+import datetime
+
+import gi
+import os
+import functions as fn
+from ui.ProgressWindow import ProgressWindow
+from ui.MessageWindow import MessageWindow
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk, Gio, GLib
+
+base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+
+
+class FlowBox(Gtk.FlowBox):
+    def __init__(
+        self,
+        kernel,
+        active_kernel,
+        manager_gui,
+        source,
+    ):
+        super(FlowBox, self).__init__()
+
+        self.manager_gui = manager_gui
+
+        # self.set_row_spacing(1)
+        # self.set_column_spacing(1)
+        # self.set_name("hbox_kernel")
+        # self.set_activate_on_single_click(True)
+        # self.connect("child-activated", self.on_child_activated)
+        self.set_valign(Gtk.Align.START)
+
+        self.set_selection_mode(Gtk.SelectionMode.NONE)
+
+        # self.set_homogeneous(True)
+
+        self.set_max_children_per_line(2)
+        self.set_min_children_per_line(2)
+        self.kernel_count = 0
+
+        self.active_kernel_found = False
+        self.kernels = []
+
+        self.kernel = kernel
+        self.source = source
+
+        if self.source == "official":
+            self.flowbox_official()
+
+        if self.source == "community":
+            self.flowbox_community()
+
+    def flowbox_community(self):
+        for community_kernel in self.kernel:
+            self.kernels.append(community_kernel)
+
+            self.kernel_count += 1
+
+        if len(self.kernels) > 0:
+            installed = False
+
+            for cache in self.kernels:
+                fb_child = Gtk.FlowBoxChild()
+                fb_child.set_name(
+                    "%s %s %s" % (cache.name, cache.version, cache.repository)
+                )
+
+                vbox_kernel_widgets = Gtk.Box(
+                    orientation=Gtk.Orientation.VERTICAL, spacing=0
+                )
+                vbox_kernel_widgets.set_name("vbox_kernel_widgets")
+                vbox_kernel_widgets.set_homogeneous(True)
+
+                switch_kernel = Gtk.Switch()
+                switch_kernel.set_halign(Gtk.Align.START)
+
+                hbox_kernel_switch = Gtk.Box(
+                    orientation=Gtk.Orientation.HORIZONTAL, spacing=0
+                )
+
+                hbox_kernel_switch.append(switch_kernel)
+
+                label_kernel_size = Gtk.Label(xalign=0, yalign=0)
+                label_kernel_size.set_name("label_kernel_flowbox")
+
+                label_kernel_name = Gtk.Label(xalign=0, yalign=0)
+                label_kernel_name.set_name("label_kernel_version")
+                label_kernel_name.set_markup(
+                    "<b>%s</b> %s <i>%s</i>"
+                    % (cache.name, cache.version, cache.repository)
+                )
+                label_kernel_name.set_selectable(True)
+
+                vbox_kernel_widgets.append(label_kernel_name)
+
+                tux_icon = Gtk.Picture.new_for_file(
+                    file=Gio.File.new_for_path(
+                        os.path.join(base_dir, "images/48x48/akm-tux.png")
+                    )
+                )
+                tux_icon.set_can_shrink(True)
+
+                for installed_kernel in self.manager_gui.installed_kernels:
+                    if "{}-{}".format(
+                        installed_kernel.name, installed_kernel.version
+                    ) == "{}-{}".format(cache.name, cache.version):
+                        installed = True
+
+                    if cache.name == installed_kernel.name:
+                        if (
+                            cache.version > installed_kernel.version
+                            or cache.version != installed_kernel.version
+                        ):
+                            fn.logger.info(
+                                "Kernel upgrade available - %s %s"
+                                % (cache.name, cache.version)
+                            )
+
+                            tux_icon = Gtk.Picture.new_for_file(
+                                file=Gio.File.new_for_path(
+                                    os.path.join(
+                                        base_dir, "images/48x48/akm-update.png"
+                                    )
+                                )
+                            )
+                            tux_icon.set_can_shrink(True)
+
+                            label_kernel_name.set_markup(
+                                "<b>*%s</b> %s <i>%s</i>"
+                                % (cache.name, cache.version, cache.repository)
+                            )
+
+                if installed is True:
+                    switch_kernel.set_state(True)
+                    switch_kernel.set_active(True)
+
+                else:
+                    switch_kernel.set_state(False)
+                    switch_kernel.set_active(False)
+
+                tux_icon.set_content_fit(content_fit=Gtk.ContentFit.SCALE_DOWN)
+                tux_icon.set_halign(Gtk.Align.START)
+
+                installed = False
+                switch_kernel.connect("state-set", self.kernel_toggle_state, cache)
+
+                hbox_kernel = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=0)
+                hbox_kernel.set_name("hbox_kernel")
+
+                label_kernel_size.set_text("%sM" % str(cache.install_size))
+
+                vbox_kernel_widgets.append(label_kernel_size)
+
+                label_kernel_build_date = Gtk.Label(xalign=0, yalign=0)
+                label_kernel_build_date.set_name("label_kernel_flowbox")
+                label_kernel_build_date.set_text(cache.build_date)
+
+                vbox_kernel_widgets.append(label_kernel_build_date)
+
+                vbox_kernel_widgets.append(hbox_kernel_switch)
+
+                hbox_kernel.append(tux_icon)
+                hbox_kernel.append(vbox_kernel_widgets)
+
+                fb_child.set_child(hbox_kernel)
+
+                self.append(fb_child)
+
+    def flowbox_official(self):
+        for official_kernel in self.manager_gui.official_kernels:
+            if official_kernel.name == self.kernel:
+                self.kernels.append(official_kernel)
+                self.kernel_count += 1
+
+        if len(self.kernels) > 0:
+            installed = False
+
+            latest = sorted(self.kernels)[:-1][0]
+
+            for cache in sorted(self.kernels):
+                fb_child = Gtk.FlowBoxChild()
+                fb_child.set_name("%s %s" % (cache.name, cache.version))
+                if cache == latest:
+                    tux_icon = Gtk.Picture.new_for_file(
+                        file=Gio.File.new_for_path(
+                            os.path.join(base_dir, "images/48x48/akm-new.png")
+                        )
+                    )
+
+                else:
+                    tux_icon = Gtk.Picture.new_for_file(
+                        file=Gio.File.new_for_path(
+                            os.path.join(base_dir, "images/48x48/akm-tux.png")
+                        )
+                    )
+
+                tux_icon.set_content_fit(content_fit=Gtk.ContentFit.SCALE_DOWN)
+                tux_icon.set_halign(Gtk.Align.START)
+
+                vbox_kernel_widgets = Gtk.Box(
+                    orientation=Gtk.Orientation.VERTICAL, spacing=0
+                )
+                vbox_kernel_widgets.set_homogeneous(True)
+
+                hbox_kernel_switch = Gtk.Box(
+                    orientation=Gtk.Orientation.HORIZONTAL, spacing=0
+                )
+
+                switch_kernel = Gtk.Switch()
+                switch_kernel.set_halign(Gtk.Align.START)
+
+                hbox_kernel_switch.append(switch_kernel)
+
+                label_kernel_version = Gtk.Label(xalign=0, yalign=0)
+                label_kernel_version.set_name("label_kernel_version")
+                label_kernel_version.set_selectable(True)
+
+                label_kernel_size = Gtk.Label(xalign=0, yalign=0)
+                label_kernel_size.set_name("label_kernel_flowbox")
+
+                if self.manager_gui.installed_kernels is None:
+                    self.manager_gui.installed_kernels = fn.get_installed_kernels()
+
+                for installed_kernel in self.manager_gui.installed_kernels:
+                    if (
+                        "{}-{}".format(installed_kernel.name, installed_kernel.version)
+                        == cache.version
+                    ):
+                        installed = True
+
+                if installed is True:
+                    switch_kernel.set_state(True)
+                    switch_kernel.set_active(True)
+
+                else:
+                    switch_kernel.set_state(False)
+                    switch_kernel.set_active(False)
+
+                installed = False
+                switch_kernel.connect("state-set", self.kernel_toggle_state, cache)
+
+                label_kernel_version.set_markup("<b>%s</b>" % cache.version)
+
+                hbox_kernel = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=0)
+                hbox_kernel.set_name("hbox_kernel")
+
+                label_kernel_size.set_text(cache.size)
+
+                vbox_kernel_widgets.append(label_kernel_version)
+                vbox_kernel_widgets.append(label_kernel_size)
+
+                label_kernel_modified = Gtk.Label(xalign=0, yalign=0)
+                label_kernel_modified.set_name("label_kernel_flowbox")
+                label_kernel_modified.set_text(cache.last_modified)
+
+                vbox_kernel_widgets.append(label_kernel_modified)
+
+                vbox_kernel_widgets.append(hbox_kernel_switch)
+
+                hbox_kernel.append(tux_icon)
+                hbox_kernel.append(vbox_kernel_widgets)
+
+                fb_child.set_child(hbox_kernel)
+
+                self.append(fb_child)
+
+        else:
+            fn.logger.error("Failed to read in kernels.")
+
+    def kernel_toggle_state(self, switch, data, kernel):
+        fn.logger.debug(
+            "Switch toggled, kernel selected = %s %s" % (kernel.name, kernel.version)
+        )
+        message = None
+        title = None
+
+        if fn.check_pacman_lockfile() is False:
+            # switch widget is currently toggled off
+            if switch.get_state() is False:  # and switch.get_active() is True:
+                for inst_kernel in fn.get_installed_kernels():
+                    if inst_kernel.name == kernel.name:
+                        if self.source == "official":
+                            if (
+                                inst_kernel.version
+                                > kernel.version.split("%s-" % inst_kernel.name)[1]
+                            ):
+                                title = "Downgrading %s kernel" % kernel.name
+                            else:
+                                title = "Upgrading %s kernel" % kernel.name
+
+                        break
+
+                if title is None:
+                    title = "Kernel install"
+
+                if self.source == "community":
+                    message = "This will install <b>%s-%s</b> - Is this ok ?" % (
+                        kernel.name,
+                        kernel.version,
+                    )
+                elif self.source == "official":
+                    message = (
+                        "This will install <b>%s</b> - Is this ok ?" % kernel.version
+                    )
+
+                message_window = FlowBoxMessageWindow(
+                    title=title,
+                    message=message,
+                    action="install",
+                    kernel=kernel,
+                    transient_for=self.manager_gui,
+                    textview=self.manager_gui.textview,
+                    textbuffer=self.manager_gui.textbuffer,
+                    switch=switch,
+                    source=self.source,
+                    manager_gui=self.manager_gui,
+                )
+                message_window.present()
+                return True
+
+            # switch widget is currently toggled on
+            # if widget.get_state() == True and widget.get_active() == False:
+            if switch.get_state() is True:
+                # and switch.get_active() is False:
+                installed_kernels = fn.get_installed_kernels()
+
+                if len(installed_kernels) > 1:
+
+                    if self.source == "community":
+                        message = "This will remove <b>%s-%s</b> - Is this ok ?" % (
+                            kernel.name,
+                            kernel.version,
+                        )
+                    elif self.source == "official":
+                        message = (
+                            "This will remove <b>%s</b> - Is this ok ?" % kernel.version
+                        )
+
+                    message_window = FlowBoxMessageWindow(
+                        title="Kernel uninstall",
+                        message=message,
+                        action="uninstall",
+                        kernel=kernel,
+                        transient_for=self.manager_gui,
+                        textview=self.manager_gui.textview,
+                        textbuffer=self.manager_gui.textbuffer,
+                        switch=switch,
+                        source=self.source,
+                        manager_gui=self.manager_gui,
+                    )
+                    message_window.present()
+                    return True
+                else:
+                    switch.set_state(True)
+                    # switch.set_active(False)
+                    fn.logger.warn(
+                        "You only have 1 kernel installed, and %s-%s is currently running, uninstall aborted."
+                        % (kernel.name, kernel.version)
+                    )
+                    msg_win = MessageWindow(
+                        title="Warning: Uninstall aborted",
+                        message=f"You only have 1 kernel installed\n"
+                        f"<b>{kernel.name} {kernel.version}</b> is currently active\n",
+                        image_path="images/48x48/akm-remove.png",
+                        transient_for=self.manager_gui,
+                        detailed_message=False,
+                    )
+                    msg_win.present()
+                    return True
+
+        else:
+            fn.logger.error(
+                "Pacman lockfile found, is another pacman process running ?"
+            )
+
+            msg_win = MessageWindow(
+                title="Warning",
+                message="Pacman lockfile found, which indicates another pacman process is running",
+                transient_for=self.manager_gui,
+                detailed_message=False,
+                image_path="images/48x48/akm-warning.png",
+            )
+            msg_win.present()
+            return True
+
+        # while self.manager_gui.default_context.pending():
+        #     self.manager_gui.default_context.iteration(True)
+
+
+class FlowBoxInstalled(Gtk.FlowBox):
+    def __init__(self, installed_kernels, manager_gui, **kwargs):
+        super().__init__(**kwargs)
+
+        self.set_selection_mode(Gtk.SelectionMode.NONE)
+
+        self.set_homogeneous(True)
+        self.set_max_children_per_line(2)
+        self.set_min_children_per_line(2)
+
+        self.manager_gui = manager_gui
+
+        for installed_kernel in installed_kernels:
+            tux_icon = Gtk.Picture.new_for_file(
+                file=Gio.File.new_for_path(
+                    os.path.join(base_dir, "images/48x48/akm-tux.png")
+                )
+            )
+
+            fb_child = Gtk.FlowBoxChild()
+            fb_child.set_name(
+                "%s %s" % (installed_kernel.name, installed_kernel.version)
+            )
+
+            tux_icon.set_content_fit(content_fit=Gtk.ContentFit.SCALE_DOWN)
+            tux_icon.set_halign(Gtk.Align.START)
+
+            label_installed_kernel_version = Gtk.Label(xalign=0, yalign=0)
+            label_installed_kernel_version.set_name("label_kernel_version")
+            label_installed_kernel_version.set_markup(
+                "<b>%s</b> %s" % (installed_kernel.name, installed_kernel.version)
+            )
+            label_installed_kernel_version.set_selectable(True)
+
+            hbox_installed_version = Gtk.Box(
+                orientation=Gtk.Orientation.HORIZONTAL, spacing=0
+            )
+
+            hbox_installed_version.append(label_installed_kernel_version)
+
+            label_installed_kernel_size = Gtk.Label(xalign=0, yalign=0)
+            label_installed_kernel_size.set_name("label_kernel_flowbox")
+            label_installed_kernel_size.set_text("%sM" % str(installed_kernel.size))
+
+            label_installed_kernel_date = Gtk.Label(xalign=0, yalign=0)
+            label_installed_kernel_date.set_name("label_kernel_flowbox")
+            label_installed_kernel_date.set_text("%s" % installed_kernel.date)
+
+            btn_uninstall_kernel = Gtk.Button.new_with_label("Remove")
+
+            btn_context = btn_uninstall_kernel.get_style_context()
+            btn_context.add_class("destructive-action")
+
+            vbox_uninstall_button = Gtk.Box(
+                orientation=Gtk.Orientation.HORIZONTAL, spacing=0
+            )
+            vbox_uninstall_button.set_name("box_padding_left")
+
+            btn_uninstall_kernel.set_hexpand(False)
+            btn_uninstall_kernel.set_halign(Gtk.Align.CENTER)
+            btn_uninstall_kernel.set_vexpand(False)
+            btn_uninstall_kernel.set_valign(Gtk.Align.CENTER)
+
+            vbox_uninstall_button.append(btn_uninstall_kernel)
+
+            btn_uninstall_kernel.connect(
+                "clicked", self.button_uninstall_kernel, installed_kernel
+            )
+
+            vbox_kernel_widgets = Gtk.Box(
+                orientation=Gtk.Orientation.VERTICAL, spacing=0
+            )
+
+            vbox_kernel_widgets.append(hbox_installed_version)
+            vbox_kernel_widgets.append(label_installed_kernel_size)
+            vbox_kernel_widgets.append(label_installed_kernel_date)
+            vbox_kernel_widgets.append(vbox_uninstall_button)
+
+            hbox_kernel = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=0)
+            hbox_kernel.set_name("hbox_kernel")
+
+            hbox_kernel.append(tux_icon)
+            hbox_kernel.append(vbox_kernel_widgets)
+
+            fb_child.set_child(hbox_kernel)
+
+            self.append(fb_child)
+
+    def button_uninstall_kernel(self, button, installed_kernel):
+        installed_kernels = fn.get_installed_kernels()
+
+        if len(installed_kernels) > 1:
+            fn.logger.info(
+                "Selected kernel to remove = %s %s"
+                % (installed_kernel.name, installed_kernel.version)
+            )
+
+            message_window = FlowBoxMessageWindow(
+                title="Kernel uninstall",
+                message="This will remove <b>%s-%s</b> - Is this ok ?"
+                % (installed_kernel.name, installed_kernel.version),
+                action="uninstall",
+                kernel=installed_kernel,
+                transient_for=self.manager_gui,
+                textview=self.manager_gui.textview,
+                textbuffer=self.manager_gui.textbuffer,
+                switch=None,
+                source=None,
+                manager_gui=self.manager_gui,
+            )
+            message_window.present()
+        else:
+            fn.logger.warn(
+                "You only have 1 kernel installed %s %s, uninstall aborted."
+                % (installed_kernel.name, installed_kernel.version)
+            )
+            msg_win = MessageWindow(
+                title="Warning: Uninstall aborted",
+                message=f"You only have 1 kernel installed\n"
+                f"<b>{installed_kernel.name} {installed_kernel.version}</b>\n",
+                image_path="images/48x48/akm-remove.png",
+                transient_for=self.manager_gui,
+                detailed_message=False,
+            )
+            msg_win.present()
+
+
+class FlowBoxMessageWindow(Gtk.Window):
+    def __init__(
+        self,
+        title,
+        message,
+        action,
+        kernel,
+        textview,
+        textbuffer,
+        switch,
+        source,
+        manager_gui,
+        **kwargs,
+    ):
+        super().__init__(**kwargs)
+
+        self.set_title(title=title)
+        self.set_modal(modal=True)
+        self.set_resizable(False)
+        self.set_icon_name("archlinux-kernel-manager-tux")
+
+        header_bar = Gtk.HeaderBar()
+        header_bar.set_show_title_buttons(False)
+
+        label_title = Gtk.Label(xalign=0.5, yalign=0.5)
+        label_title.set_markup("<b>%s</b>" % title)
+
+        self.set_titlebar(header_bar)
+
+        header_bar.set_title_widget(label_title)
+
+        self.textview = textview
+        self.textbuffer = textbuffer
+        self.manager_gui = manager_gui
+        self.kernel = kernel
+        self.action = action
+        self.switch = switch
+        self.source = source
+
+        vbox_flowbox_message = Gtk.Box.new(
+            orientation=Gtk.Orientation.VERTICAL, spacing=10
+        )
+        vbox_flowbox_message.set_name("vbox_flowbox_message")
+
+        self.set_child(child=vbox_flowbox_message)
+
+        label_flowbox_message = Gtk.Label(xalign=0, yalign=0)
+        label_flowbox_message.set_markup("%s" % message)
+        label_flowbox_message.set_name("label_flowbox_message")
+
+        vbox_flowbox_message.set_halign(Gtk.Align.CENTER)
+
+        # Widgets.
+        button_yes = Gtk.Button.new_with_label("Yes")
+        button_yes.set_size_request(100, 30)
+        button_yes.set_halign(Gtk.Align.END)
+        button_yes_context = button_yes.get_style_context()
+        button_yes_context.add_class("destructive-action")
+        button_yes.connect("clicked", self.on_button_yes_clicked)
+
+        button_no = Gtk.Button.new_with_label("No")
+        button_no.set_size_request(100, 30)
+        button_no.set_halign(Gtk.Align.END)
+        button_no.connect("clicked", self.on_button_no_clicked)
+
+        hbox_buttons = Gtk.Box.new(orientation=Gtk.Orientation.HORIZONTAL, spacing=15)
+        hbox_buttons.set_halign(Gtk.Align.CENTER)
+        hbox_buttons.append(button_yes)
+        hbox_buttons.append(button_no)
+
+        vbox_flowbox_message.append(label_flowbox_message)
+        vbox_flowbox_message.append(hbox_buttons)
+
+    def on_button_yes_clicked(self, button):
+        self.hide()
+        self.destroy()
+        progress_window = None
+        if fn.check_pacman_lockfile() is False:
+            if self.action == "uninstall":
+                progress_window = ProgressWindow(
+                    title="Removing kernel",
+                    action="uninstall",
+                    textview=self.textview,
+                    textbuffer=self.textbuffer,
+                    kernel=self.kernel,
+                    switch=self.switch,
+                    source=self.source,
+                    manager_gui=self.manager_gui,
+                    transient_for=self.manager_gui,
+                )
+
+            if self.action == "install":
+                progress_window = ProgressWindow(
+                    title="Installing kernel",
+                    action="install",
+                    textview=self.textview,
+                    textbuffer=self.textbuffer,
+                    kernel=self.kernel,
+                    switch=self.switch,
+                    source=self.source,
+                    manager_gui=self.manager_gui,
+                    transient_for=self.manager_gui,
+                )
+        else:
+            fn.logger.error(
+                "Pacman lockfile found, is another pacman process running ?"
+            )
+
+    def on_button_no_clicked(self, button):
+        if self.action == "uninstall":
+            if self.switch is not None:
+                self.switch.set_state(True)
+
+        elif self.action == "install":
+            if self.switch is not None:
+                self.switch.set_state(False)
+
+        self.hide()
+        self.destroy()
+
+        return True

ui/KernelStack.py

@@ -0,0 +1,631 @@
+import gi
+import os
+import functions as fn
+from ui.FlowBox import FlowBox, FlowBoxInstalled
+from ui.Stack import Stack
+from kernel import Kernel, InstalledKernel, CommunityKernel
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk, Gio, Gdk
+
+base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+
+
+class KernelStack:
+    def __init__(
+        self,
+        manager_gui,
+        **kwargs,
+    ):
+        super().__init__(**kwargs)
+        self.manager_gui = manager_gui
+        self.flowbox_stacks = []
+        self.search_entries = []
+
+    def add_installed_kernels_to_stack(self, reload):
+        vbox_header = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+        vbox_header.set_name("vbox_header")
+
+        lbl_heading = Gtk.Label(xalign=0.5, yalign=0.5)
+        lbl_heading.set_name("label_flowbox_message")
+        lbl_heading.set_text("%s" % "Installed kernels".upper())
+
+        lbl_padding = Gtk.Label(xalign=0.0, yalign=0.0)
+        lbl_padding.set_text(" ")
+
+        grid_banner_img = Gtk.Grid()
+
+        image_settings = Gtk.Image.new_from_file(
+            os.path.join(base_dir, "images/48x48/akm-install.png")
+        )
+
+        image_settings.set_icon_size(Gtk.IconSize.LARGE)
+        image_settings.set_halign(Gtk.Align.START)
+
+        grid_banner_img.attach(image_settings, 0, 1, 1, 1)
+        grid_banner_img.attach_next_to(
+            lbl_padding,
+            image_settings,
+            Gtk.PositionType.RIGHT,
+            1,
+            1,
+        )
+
+        grid_banner_img.attach_next_to(
+            lbl_heading,
+            lbl_padding,
+            Gtk.PositionType.RIGHT,
+            1,
+            1,
+        )
+
+        vbox_header.append(grid_banner_img)
+
+        label_installed_desc = Gtk.Label(xalign=0, yalign=0)
+        label_installed_desc.set_text("Installed Linux kernel and modules")
+        label_installed_desc.set_name("label_stack_desc")
+
+        label_installed_count = Gtk.Label(xalign=0, yalign=0)
+
+        label_installed_count.set_name("label_stack_count")
+
+        vbox_search_entry = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+
+        search_entry_installed = Gtk.SearchEntry()
+        search_entry_installed.set_name("search_entry_installed")
+        search_entry_installed.set_placeholder_text("Search installed kernels...")
+        search_entry_installed.connect("search_changed", self.flowbox_filter_installed)
+
+        vbox_search_entry.append(search_entry_installed)
+
+        if reload is True:
+            if self.manager_gui.vbox_installed_kernels is not None:
+                for widget in self.manager_gui.vbox_installed_kernels:
+                    if widget.get_name() == "label_stack_count":
+                        widget.set_markup(
+                            "<i>%s Installed kernels</i>"
+                            % len(self.manager_gui.installed_kernels)
+                        )
+
+                    if widget.get_name() == "scrolled_window_installed":
+                        self.manager_gui.vbox_installed_kernels.remove(widget)
+
+            scrolled_window_installed = Gtk.ScrolledWindow()
+            scrolled_window_installed.set_name("scrolled_window_installed")
+            scrolled_window_installed.set_policy(
+                Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC
+            )
+            scrolled_window_installed.set_propagate_natural_height(True)
+            scrolled_window_installed.set_propagate_natural_width(True)
+
+            self.flowbox_installed = FlowBoxInstalled(
+                installed_kernels=self.manager_gui.installed_kernels,
+                manager_gui=self.manager_gui,
+            )
+            vbox_installed_flowbox = Gtk.Box(
+                orientation=Gtk.Orientation.VERTICAL, spacing=12
+            )
+
+            # vbox_installed_flowbox.set_halign(align=Gtk.Align.FILL)
+
+            vbox_installed_flowbox.append(self.flowbox_installed)
+
+            scrolled_window_installed.set_child(vbox_installed_flowbox)
+
+            self.manager_gui.vbox_installed_kernels.append(scrolled_window_installed)
+
+            if self.manager_gui.vbox_active_installed_kernel is not None:
+                self.manager_gui.vbox_installed_kernels.reorder_child_after(
+                    self.manager_gui.vbox_active_installed_kernel,
+                    scrolled_window_installed,
+                )
+        else:
+            self.manager_gui.vbox_installed_kernels = Gtk.Box(
+                orientation=Gtk.Orientation.VERTICAL, spacing=5
+            )
+            self.manager_gui.vbox_installed_kernels.set_name("vbox_installed_kernels")
+
+            self.manager_gui.vbox_active_installed_kernel = Gtk.Box(
+                orientation=Gtk.Orientation.HORIZONTAL, spacing=5
+            )
+            self.manager_gui.vbox_active_installed_kernel.set_name("vbox_active_kernel")
+
+            label_active_installed_kernel = Gtk.Label(xalign=0.5, yalign=0.5)
+            label_active_installed_kernel.set_name("label_active_kernel")
+            label_active_installed_kernel.set_selectable(True)
+
+            label_active_installed_kernel.set_markup(
+                "<b>Active kernel:</b> %s" % self.manager_gui.active_kernel
+            )
+            label_active_installed_kernel.set_halign(Gtk.Align.START)
+            self.manager_gui.vbox_active_installed_kernel.append(
+                label_active_installed_kernel
+            )
+
+            scrolled_window_installed = Gtk.ScrolledWindow()
+            scrolled_window_installed.set_name("scrolled_window_installed")
+            scrolled_window_installed.set_policy(
+                Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC
+            )
+            scrolled_window_installed.set_propagate_natural_height(True)
+            scrolled_window_installed.set_propagate_natural_width(True)
+
+            label_installed_count.set_markup(
+                "<i>%s Installed kernels</i>" % len(self.manager_gui.installed_kernels)
+            )
+
+            self.flowbox_installed = FlowBoxInstalled(
+                installed_kernels=self.manager_gui.installed_kernels,
+                manager_gui=self.manager_gui,
+            )
+            vbox_installed_flowbox = Gtk.Box(
+                orientation=Gtk.Orientation.VERTICAL, spacing=12
+            )
+
+            # vbox_installed_flowbox.set_halign(align=Gtk.Align.FILL)
+
+            vbox_installed_flowbox.append(self.flowbox_installed)
+
+            scrolled_window_installed.set_child(vbox_installed_flowbox)
+
+            # self.manager_gui.vbox_installed_kernels.append(label_installed_title)
+            self.manager_gui.vbox_installed_kernels.append(vbox_header)
+            self.manager_gui.vbox_installed_kernels.append(label_installed_desc)
+            self.manager_gui.vbox_installed_kernels.append(label_installed_count)
+            self.manager_gui.vbox_installed_kernels.append(vbox_search_entry)
+            self.manager_gui.vbox_installed_kernels.append(scrolled_window_installed)
+            self.manager_gui.vbox_installed_kernels.append(
+                self.manager_gui.vbox_active_installed_kernel
+            )
+
+            self.manager_gui.stack.add_titled(
+                self.manager_gui.vbox_installed_kernels, "Installed", "Installed"
+            )
+
+    def add_official_kernels_to_stack(self, reload):
+        if reload is True:
+            self.flowbox_stacks.clear()
+            for kernel in fn.supported_kernels_dict:
+                vbox_flowbox = None
+                stack_child = self.manager_gui.stack.get_child_by_name(kernel)
+
+                if stack_child is not None:
+                    for stack_widget in stack_child:
+                        if stack_widget.get_name() == "scrolled_window_official":
+                            scrolled_window_official = stack_widget
+                            vbox_flowbox = (
+                                scrolled_window_official.get_child().get_child()
+                            )
+
+                            for widget in vbox_flowbox:
+                                widget.remove_all()
+
+                    self.flowbox_official_kernel = FlowBox(
+                        kernel,
+                        self.manager_gui.active_kernel,
+                        self.manager_gui,
+                        "official",
+                    )
+                    self.flowbox_stacks.append(self.flowbox_official_kernel)
+
+                    vbox_flowbox.append(self.flowbox_official_kernel)
+
+                # while self.manager_gui.default_context.pending():
+                #     self.manager_gui.default_context.iteration(True)
+        else:
+            for kernel in fn.supported_kernels_dict:
+                self.manager_gui.vbox_kernels = Gtk.Box(
+                    orientation=Gtk.Orientation.VERTICAL, spacing=5
+                )
+
+                self.manager_gui.vbox_kernels.set_name("stack_%s" % kernel)
+
+                hbox_sep_kernels = Gtk.Box(
+                    orientation=Gtk.Orientation.VERTICAL, spacing=10
+                )
+
+                hsep_kernels = Gtk.Separator(orientation=Gtk.Orientation.VERTICAL)
+
+                vbox_active_kernel = Gtk.Box(
+                    orientation=Gtk.Orientation.HORIZONTAL, spacing=5
+                )
+                vbox_active_kernel.set_name("vbox_active_kernel")
+
+                label_active_kernel = Gtk.Label(xalign=0.5, yalign=0.5)
+                label_active_kernel.set_name("label_active_kernel")
+                label_active_kernel.set_selectable(True)
+                label_active_kernel.set_markup(
+                    "<b>Active kernel:</b> %s" % self.manager_gui.active_kernel
+                )
+                label_active_kernel.set_halign(Gtk.Align.START)
+
+                label_bottom_padding = Gtk.Label(xalign=0, yalign=0)
+                label_bottom_padding.set_text(" ")
+
+                hbox_sep_kernels.append(hsep_kernels)
+
+                self.flowbox_official_kernel = FlowBox(
+                    kernel, self.manager_gui.active_kernel, self.manager_gui, "official"
+                )
+
+                self.flowbox_stacks.append(self.flowbox_official_kernel)
+
+                vbox_flowbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=12)
+                vbox_flowbox.set_name("vbox_flowbox_%s" % kernel)
+                # vbox_flowbox.set_halign(align=Gtk.Align.FILL)
+                vbox_flowbox.append(self.flowbox_official_kernel)
+
+                scrolled_window_official = Gtk.ScrolledWindow()
+                scrolled_window_official.set_name("scrolled_window_official")
+                scrolled_window_official.set_policy(
+                    Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC
+                )
+                scrolled_window_official.set_propagate_natural_height(True)
+                scrolled_window_official.set_propagate_natural_width(True)
+
+                label_title = Gtk.Label(xalign=0.5, yalign=0.5)
+                label_title.set_text(kernel.upper())
+                label_title.set_name("label_stack_kernel")
+
+                label_desc = Gtk.Label(xalign=0, yalign=0)
+                label_desc.set_text(fn.supported_kernels_dict[kernel][0])
+                label_desc.set_name("label_stack_desc")
+
+                label_count = Gtk.Label(xalign=0, yalign=0)
+                label_count.set_markup(
+                    "<i>%s Available kernels</i>"
+                    % self.flowbox_official_kernel.kernel_count
+                )
+
+                label_count.set_name("label_stack_count")
+
+                vbox_search_entry = Gtk.Box(
+                    orientation=Gtk.Orientation.VERTICAL, spacing=5
+                )
+
+                search_entry_official = Gtk.SearchEntry()
+                search_entry_official.set_name(kernel)
+                search_entry_official.set_placeholder_text(
+                    "Search %s kernels..." % kernel
+                )
+                search_entry_official.connect(
+                    "search_changed", self.flowbox_filter_official
+                )
+
+                self.search_entries.append(search_entry_official)
+
+                vbox_search_entry.append(search_entry_official)
+
+                vbox_active_kernel.append(label_active_kernel)
+
+                vbox_header = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+                vbox_header.set_name("vbox_header")
+
+                lbl_heading = Gtk.Label(xalign=0.5, yalign=0.5)
+                lbl_heading.set_name("label_flowbox_message")
+                lbl_heading.set_text(
+                    "%s - Verified and official kernels" % kernel.upper()
+                )
+
+                lbl_padding = Gtk.Label(xalign=0.0, yalign=0.0)
+                lbl_padding.set_text(" ")
+
+                grid_banner_img = Gtk.Grid()
+
+                image_settings = Gtk.Image.new_from_file(
+                    os.path.join(base_dir, "images/48x48/akm-verified.png")
+                )
+
+                image_settings.set_icon_size(Gtk.IconSize.LARGE)
+                image_settings.set_halign(Gtk.Align.START)
+
+                grid_banner_img.attach(image_settings, 0, 1, 1, 1)
+                grid_banner_img.attach_next_to(
+                    lbl_padding,
+                    image_settings,
+                    Gtk.PositionType.RIGHT,
+                    1,
+                    1,
+                )
+
+                grid_banner_img.attach_next_to(
+                    lbl_heading,
+                    lbl_padding,
+                    Gtk.PositionType.RIGHT,
+                    1,
+                    1,
+                )
+
+                vbox_header.append(grid_banner_img)
+
+                # vbox_kernels.append(label_title)
+                self.manager_gui.vbox_kernels.append(vbox_header)
+                # self.manager_gui.vbox_kernels.append(label_title)
+                self.manager_gui.vbox_kernels.append(label_desc)
+                self.manager_gui.vbox_kernels.append(label_count)
+                self.manager_gui.vbox_kernels.append(vbox_search_entry)
+                self.manager_gui.vbox_kernels.append(hbox_sep_kernels)
+
+                scrolled_window_official.set_child(vbox_flowbox)
+                self.manager_gui.vbox_kernels.append(scrolled_window_official)
+                self.manager_gui.vbox_kernels.append(vbox_active_kernel)
+
+                kernel_sidebar_title = None
+
+                if kernel == "linux":
+                    kernel_sidebar_title = "Linux"
+                elif kernel == "linux-lts":
+                    kernel_sidebar_title = "Linux-LTS"
+                elif kernel == "linux-zen":
+                    kernel_sidebar_title = "Linux-ZEN"
+                elif kernel == "linux-hardened":
+                    kernel_sidebar_title = "Linux-Hardened"
+                elif kernel == "linux-rt":
+                    kernel_sidebar_title = "Linux-RT"
+                elif kernel == "linux-rt-lts":
+                    kernel_sidebar_title = "Linux-RT-LTS"
+
+                self.manager_gui.stack.add_titled(
+                    self.manager_gui.vbox_kernels, kernel, kernel_sidebar_title
+                )
+
+    def flowbox_filter_official(self, search_entry):
+        def filter_func(fb_child, text):
+            if search_entry.get_name() == fb_child.get_name().split(" ")[0]:
+                if text in fb_child.get_name():
+                    return True
+                else:
+                    return False
+            else:
+                return True
+
+        text = search_entry.get_text()
+
+        for flowbox in self.flowbox_stacks:
+            flowbox.set_filter_func(filter_func, text)
+
+    def flowbox_filter_community(self, search_entry):
+        def filter_func(fb_child, text):
+            if search_entry.get_name() == "search_entry_community":
+                if text in fb_child.get_name():
+                    return True
+                else:
+                    return False
+            else:
+                return True
+
+        text = search_entry.get_text()
+
+        self.flowbox_community.set_filter_func(filter_func, text)
+
+    def flowbox_filter_installed(self, search_entry):
+        def filter_func(fb_child, text):
+            if search_entry.get_name() == "search_entry_installed":
+                if text in fb_child.get_name():
+                    return True
+                else:
+                    return False
+            else:
+                return True
+
+        text = search_entry.get_text()
+
+        self.flowbox_installed.set_filter_func(filter_func, text)
+
+    def add_community_kernels_to_stack(self, reload):
+        vbox_active_kernel = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+        vbox_active_kernel.set_name("vbox_active_kernel")
+        vbox_kernels = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+        hbox_sep_kernels = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=10)
+        hsep_kernels = Gtk.Separator(orientation=Gtk.Orientation.VERTICAL)
+        hbox_sep_kernels.append(hsep_kernels)
+
+        label_active_kernel = Gtk.Label(xalign=0.5, yalign=0.5)
+        label_active_kernel.set_name("label_active_kernel")
+        label_active_kernel.set_selectable(True)
+        label_active_kernel.set_markup(
+            "<b>Active kernel:</b> %s" % self.manager_gui.active_kernel
+        )
+        label_active_kernel.set_halign(Gtk.Align.START)
+
+        label_count = Gtk.Label(xalign=0, yalign=0)
+        label_count.set_name("label_stack_count")
+
+        vbox_search_entry = None
+
+        search_entry_community = Gtk.SearchEntry()
+        search_entry_community.set_name("search_entry_community")
+        search_entry_community.set_placeholder_text(
+            "Search %s kernels..." % "community based"
+        )
+        search_entry_community.connect("search_changed", self.flowbox_filter_community)
+
+        hbox_warning_message = Gtk.Box(
+            orientation=Gtk.Orientation.HORIZONTAL, spacing=5
+        )
+        hbox_warning_message.set_name("hbox_warning_message")
+
+        label_pacman_warning = Gtk.Label(xalign=0, yalign=0)
+        label_pacman_warning.set_name("label_community_warning")
+
+        image_warning = Gtk.Image.new_from_file(
+            os.path.join(base_dir, "images/48x48/akm-warning.png")
+        )
+        image_warning.set_name("image_warning")
+
+        image_warning.set_icon_size(Gtk.IconSize.LARGE)
+        image_warning.set_halign(Gtk.Align.CENTER)
+
+        hbox_warning = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+        hbox_warning.set_name("hbox_warning")
+
+        hbox_warning.append(image_warning)
+        # hbox_warning.append(label_pacman_warning)
+
+        label_warning = Gtk.Label(xalign=0, yalign=0)
+        label_warning.set_name("label_community_warning")
+        label_warning.set_markup(
+            f"These are user produced content\n"
+            f"<b>Any use of the provided files is at your own risk</b>"
+        )
+
+        hbox_warning.append(label_warning)
+
+        if reload is True:
+            vbox_flowbox = None
+            stack_child = self.manager_gui.stack.get_child_by_name("Community Kernels")
+
+            if stack_child is not None:
+                for stack_widget in stack_child:
+                    if stack_widget.get_name() == "label_stack_count":
+                        stack_widget.set_markup(
+                            "<i>%s Available kernels</i>"
+                            % len(self.manager_gui.community_kernels)
+                        )
+                    if stack_widget.get_name() == "vbox_search_entry":
+                        if len(self.manager_gui.community_kernels) == 0:
+                            for search_entry in stack_widget:
+                                search_entry.set_visible(False)
+                        else:
+                            for search_entry in stack_widget:
+                                search_entry.set_visible(True)
+
+                    if stack_widget.get_name() == "scrolled_window_community":
+                        scrolled_window_community = stack_widget
+                        vbox_flowbox = scrolled_window_community.get_child().get_child()
+
+                        for widget in vbox_flowbox:
+                            if widget.get_name() != "vbox_no_community":
+                                widget.remove_all()
+                            else:
+                                if len(self.manager_gui.community_kernels) > 0:
+                                    # widget.hide()
+                                    for box_widget in widget:
+                                        box_widget.hide()
+
+                                    vbox_search_entry = Gtk.Box(
+                                        orientation=Gtk.Orientation.VERTICAL, spacing=5
+                                    )
+
+                                    vbox_search_entry.append(search_entry_community)
+                                    # widget.append(hbox_warning)
+                                    widget.append(vbox_search_entry)
+
+                self.flowbox_community = FlowBox(
+                    self.manager_gui.community_kernels,
+                    self.manager_gui.active_kernel,
+                    self.manager_gui,
+                    "community",
+                )
+                vbox_flowbox.append(self.flowbox_community)
+
+            while self.manager_gui.default_context.pending():
+                # fn.time.sleep(0.1)
+                self.manager_gui.default_context.iteration(True)
+        else:
+            self.flowbox_community = None
+
+            vbox_flowbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=12)
+            # vbox_flowbox.set_halign(align=Gtk.Align.FILL)
+
+            if len(self.manager_gui.community_kernels) == 0:
+                label_count.set_markup("<i>%s Available kernels</i>" % 0)
+            else:
+                self.flowbox_community = FlowBox(
+                    self.manager_gui.community_kernels,
+                    self.manager_gui.active_kernel,
+                    self.manager_gui,
+                    "community",
+                )
+
+                vbox_flowbox.append(self.flowbox_community)
+
+                label_count.set_markup(
+                    "<i>%s Available kernels</i>" % self.flowbox_community.kernel_count
+                )
+
+                vbox_search_entry = Gtk.Box(
+                    orientation=Gtk.Orientation.VERTICAL, spacing=5
+                )
+
+                vbox_search_entry.set_name("vbox_search_entry")
+
+                vbox_search_entry.append(search_entry_community)
+
+            if reload is False:
+                scrolled_window_community = Gtk.ScrolledWindow()
+                scrolled_window_community.set_name("scrolled_window_community")
+                scrolled_window_community.set_policy(
+                    Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC
+                )
+                scrolled_window_community.set_propagate_natural_height(True)
+                scrolled_window_community.set_propagate_natural_width(True)
+
+                label_title = Gtk.Label(xalign=0.5, yalign=0.5)
+                label_title.set_text("Community Kernels")
+                label_title.set_name("label_stack_kernel")
+
+                label_desc = Gtk.Label(xalign=0, yalign=0)
+                label_desc.set_text("Community Linux kernel and modules")
+                label_desc.set_name("label_stack_desc")
+
+                vbox_active_kernel.append(label_active_kernel)
+
+                vbox_header = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+                vbox_header.set_name("vbox_header")
+
+                lbl_heading = Gtk.Label(xalign=0.5, yalign=0.5)
+                lbl_heading.set_name("label_flowbox_message")
+
+                lbl_heading.set_text(
+                    "%s - Unofficial kernels" % "Community based".upper()
+                )
+
+                lbl_padding = Gtk.Label(xalign=0.0, yalign=0.0)
+                lbl_padding.set_text(" ")
+
+                grid_banner_img = Gtk.Grid()
+
+                image_settings = Gtk.Image.new_from_file(
+                    os.path.join(base_dir, "images/48x48/akm-community.png")
+                )
+
+                image_settings.set_icon_size(Gtk.IconSize.LARGE)
+                image_settings.set_halign(Gtk.Align.START)
+
+                grid_banner_img.attach(image_settings, 0, 1, 1, 1)
+                grid_banner_img.attach_next_to(
+                    lbl_padding,
+                    image_settings,
+                    Gtk.PositionType.RIGHT,
+                    1,
+                    1,
+                )
+
+                grid_banner_img.attach_next_to(
+                    lbl_heading,
+                    lbl_padding,
+                    Gtk.PositionType.RIGHT,
+                    1,
+                    1,
+                )
+
+                vbox_header.append(grid_banner_img)
+
+                vbox_kernels.append(vbox_header)
+                vbox_kernels.append(label_desc)
+                vbox_kernels.append(hbox_warning)
+                vbox_kernels.append(label_count)
+
+                if vbox_search_entry is not None:
+                    vbox_kernels.append(vbox_search_entry)
+                vbox_kernels.append(hbox_sep_kernels)
+
+                scrolled_window_community.set_child(vbox_flowbox)
+
+                vbox_kernels.append(scrolled_window_community)
+                vbox_kernels.append(vbox_active_kernel)
+
+                self.manager_gui.stack.add_titled(
+                    vbox_kernels, "Community Kernels", "Community"
+                )

ui/MenuButton.py

@@ -0,0 +1,45 @@
+import gi
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk
+
+# Gtk.Builder xml for the application menu
+APP_MENU = """
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+<menu id='app-menu'>
+  <section>
+    <item>
+      <attribute name='label' translatable='yes'>_About</attribute>
+      <attribute name='action'>win.about</attribute>
+    </item>
+    <item>
+      <attribute name='label' translatable='yes'>_Settings</attribute>
+      <attribute name='action'>win.settings</attribute>
+    </item>
+    <item>
+      <attribute name='label' translatable='yes'>_Refresh</attribute>
+      <attribute name='action'>win.refresh</attribute>
+    </item>
+    <item>
+      <attribute name='label' translatable='yes'>_Quit</attribute>
+      <attribute name='action'>win.quit</attribute>
+    </item>
+  </section>
+</menu>
+</interface>
+"""
+
+
+class MenuButton(Gtk.MenuButton):
+    """
+    Wrapper class for at Gtk.Menubutton with a menu defined
+    in a Gtk.Builder xml string
+    """
+
+    def __init__(self, icon_name="open-menu-symbolic"):
+        super(MenuButton, self).__init__()
+        builder = Gtk.Builder.new_from_string(APP_MENU, -1)
+        menu = builder.get_object("app-menu")
+        self.set_menu_model(menu)
+        self.set_icon_name(icon_name)

ui/MessageWindow.py

@@ -0,0 +1,95 @@
+import gi
+import os
+import functions as fn
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk, Gio, GLib
+
+base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+
+
+class MessageWindow(Gtk.Window):
+    def __init__(self, title, message, image_path, detailed_message, **kwargs):
+        super().__init__(**kwargs)
+
+        # self.set_title(title=title)
+        self.set_modal(modal=True)
+        self.set_resizable(False)
+        icon_name = "akm-tux"
+        self.set_icon_name(icon_name)
+
+        header_bar = Gtk.HeaderBar()
+        header_bar.set_show_title_buttons(True)
+
+        hbox_title = Gtk.Box.new(orientation=Gtk.Orientation.HORIZONTAL, spacing=10)
+
+        label_title = Gtk.Label(xalign=0.5, yalign=0.5)
+        label_title.set_markup("<b>%s</b>" % title)
+
+        hbox_title.append(label_title)
+        header_bar.set_title_widget(hbox_title)
+
+        self.set_titlebar(header_bar)
+
+        vbox_message = Gtk.Box.new(orientation=Gtk.Orientation.VERTICAL, spacing=10)
+        vbox_message.set_name("vbox_flowbox_message")
+
+        image = Gtk.Picture.new_for_filename(os.path.join(base_dir, image_path))
+
+        image.set_content_fit(content_fit=Gtk.ContentFit.SCALE_DOWN)
+        image.set_halign(Gtk.Align.START)
+
+        hbox_image = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+
+        # hbox_image.append(image)
+
+        self.set_child(child=vbox_message)
+
+        if detailed_message is True:
+            scrolled_window = Gtk.ScrolledWindow()
+
+            textview = Gtk.TextView()
+            textview.set_property("editable", False)
+            textview.set_property("monospace", True)
+
+            textview.set_vexpand(True)
+            textview.set_hexpand(True)
+
+            msg_buffer = textview.get_buffer()
+            msg_buffer.insert(
+                msg_buffer.get_end_iter(),
+                "Event timestamp = %s\n"
+                % fn.datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
+            )
+            msg_buffer.insert(msg_buffer.get_end_iter(), "%s\n" % message)
+
+            scrolled_window.set_child(textview)
+
+            hbox_image.append(scrolled_window)
+
+            self.set_size_request(700, 500)
+            self.set_resizable(True)
+        else:
+            label_message = Gtk.Label(xalign=0, yalign=0)
+            label_message.set_markup("%s" % message)
+            label_message.set_name("label_flowbox_message")
+
+            hbox_image.append(image)
+            hbox_image.append(label_message)
+
+        vbox_message.append(hbox_image)
+
+        button_ok = Gtk.Button.new_with_label("OK")
+        button_ok.set_size_request(100, 30)
+        button_ok.set_halign(Gtk.Align.END)
+        button_ok.connect("clicked", self.on_button_ok_clicked)
+
+        hbox_buttons = Gtk.Box.new(orientation=Gtk.Orientation.HORIZONTAL, spacing=20)
+        hbox_buttons.set_halign(Gtk.Align.END)
+        hbox_buttons.append(button_ok)
+
+        vbox_message.append(hbox_buttons)
+
+    def on_button_ok_clicked(self, button):
+        self.hide()
+        self.destroy()

ui/ProgressWindow.py

@@ -0,0 +1,632 @@
+import sys
+import gi
+import os
+import functions as fn
+from ui.MessageWindow import MessageWindow
+from gi.repository import Gtk, Gio, GLib
+
+base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+
+
+class ProgressWindow(Gtk.Window):
+    def __init__(
+        self,
+        title,
+        action,
+        textview,
+        textbuffer,
+        kernel,
+        switch,
+        source,
+        manager_gui,
+        **kwargs,
+    ):
+        super().__init__(**kwargs)
+
+        self.set_title(title=title)
+        self.set_modal(modal=True)
+        self.set_resizable(True)
+        self.set_size_request(700, 400)
+        self.connect("close-request", self.on_close)
+
+        self.textview = textview
+        self.textbuffer = textbuffer
+
+        self.kernel_state_queue = fn.Queue()
+        self.messages_queue = fn.Queue()
+        self.kernel = kernel
+        self.timeout_id = None
+        self.errors_found = False
+
+        self.action = action
+        self.switch = switch
+
+        self.restore = False
+
+        self.source = source
+        self.manager_gui = manager_gui
+
+        self.bootloader = self.manager_gui.bootloader
+        self.bootloader_grub_cfg = self.manager_gui.bootloader_grub_cfg
+
+        vbox_progress = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+        vbox_progress.set_name("main")
+
+        self.set_child(child=vbox_progress)
+
+        header_bar = Gtk.HeaderBar()
+        self.label_title = Gtk.Label(xalign=0.5, yalign=0.5)
+
+        header_bar.set_show_title_buttons(True)
+
+        self.set_titlebar(header_bar)
+
+        self.label_title.set_markup("<b>%s</b>" % title)
+        header_bar.set_title_widget(self.label_title)
+
+        vbox_icon_settings = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+        vbox_icon_settings.set_name("vbox_icon_settings")
+
+        lbl_heading = Gtk.Label(xalign=0.5, yalign=0.5)
+        lbl_heading.set_name("label_flowbox_message")
+
+        lbl_padding = Gtk.Label(xalign=0.0, yalign=0.0)
+        lbl_padding.set_text(" ")
+
+        grid_banner_img = Gtk.Grid()
+
+        image_settings = None
+
+        if action == "install":
+            image_settings = Gtk.Image.new_from_file(
+                os.path.join(base_dir, "images/48x48/akm-install.png")
+            )
+            lbl_heading.set_markup(
+                "Installing <b>%s version %s </b>"
+                % (self.kernel.name, self.kernel.version)
+            )
+        if action == "uninstall":
+            image_settings = Gtk.Image.new_from_file(
+                os.path.join(base_dir, "images/48x48/akm-remove.png")
+            )
+            lbl_heading.set_markup(
+                "Removing <b>%s version %s </b>"
+                % (self.kernel.name, self.kernel.version)
+            )
+
+        # get kernel version from pacman
+        self.installed_kernel_version = fn.get_kernel_version(self.kernel.name)
+
+        if self.installed_kernel_version is not None:
+            fn.logger.debug(
+                "Installed kernel version = %s" % self.installed_kernel_version
+            )
+        else:
+            fn.logger.debug("Nothing to remove .. previous kernel not installed")
+
+        image_settings.set_halign(Gtk.Align.START)
+        image_settings.set_icon_size(Gtk.IconSize.LARGE)
+
+        hbox_header = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+        hbox_header.set_name("vbox_header")
+
+        hbox_header.append(image_settings)
+        hbox_header.append(lbl_heading)
+
+        vbox_progress.append(hbox_header)
+
+        self.spinner = Gtk.Spinner()
+        self.spinner.set_spinning(True)
+
+        image_warning = Gtk.Image.new_from_file(
+            os.path.join(base_dir, "images/48x48/akm-warning.png")
+        )
+
+        image_warning.set_icon_size(Gtk.IconSize.LARGE)
+        image_warning.set_halign(Gtk.Align.START)
+
+        hbox_progress_warning = Gtk.Box(
+            orientation=Gtk.Orientation.HORIZONTAL, spacing=5
+        )
+        hbox_progress_warning.set_name("hbox_warning")
+
+        hbox_progress_warning.append(image_warning)
+
+        self.label_progress_window_desc = Gtk.Label(xalign=0, yalign=0)
+
+        self.label_progress_window_desc.set_markup(
+            f"Do not close this window while a kernel {self.action} activity is in progress\n"
+            f"Progress can be monitored in the log below\n"
+            f"<b>A reboot is recommended when Linux packages have changed</b>"
+        )
+
+        hbox_progress_warning.append(self.label_progress_window_desc)
+
+        self.label_status = Gtk.Label(xalign=0, yalign=0)
+
+        button_close = Gtk.Button.new_with_label("Close")
+        button_close.set_size_request(100, 30)
+        button_close.set_halign(Gtk.Align.END)
+
+        button_close.connect(
+            "clicked",
+            self.on_button_close_response,
+        )
+
+        self.label_spinner_progress = Gtk.Label(xalign=0, yalign=0)
+        if self.action == "install":
+            self.label_spinner_progress.set_markup(
+                "<b>Please wait kernel %s is in progress</b>" % "installation"
+            )
+        elif self.action == "uninstall":
+            self.label_spinner_progress.set_markup(
+                "<b>Please wait kernel %s is in progress</b>" % "removal"
+            )
+
+        self.hbox_spinner = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+        self.hbox_spinner.append(self.label_spinner_progress)
+        self.hbox_spinner.append(self.spinner)
+
+        vbox_padding = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=20)
+        vbox_padding.set_valign(Gtk.Align.END)
+
+        label_padding = Gtk.Label(xalign=0, yalign=0)
+        label_padding.set_valign(Gtk.Align.END)
+        vbox_padding.append(label_padding)
+
+        hbox_button_close = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=20)
+
+        hbox_button_close.append(button_close)
+        hbox_button_close.set_halign(Gtk.Align.END)
+
+        self.scrolled_window = Gtk.ScrolledWindow()
+        self.scrolled_window.set_propagate_natural_height(True)
+        self.scrolled_window.set_propagate_natural_width(True)
+        self.scrolled_window.set_policy(
+            Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC
+        )
+
+        hbox_notify_revealer = Gtk.Box(
+            orientation=Gtk.Orientation.HORIZONTAL, spacing=20
+        )
+
+        hbox_notify_revealer.set_name("hbox_notify_revealer")
+        hbox_notify_revealer.set_halign(Gtk.Align.CENTER)
+
+        self.notify_revealer = Gtk.Revealer()
+        self.notify_revealer.set_reveal_child(False)
+        self.label_notify_revealer = Gtk.Label(xalign=0, yalign=0)
+        self.label_notify_revealer.set_name("label_notify_revealer")
+
+        self.notify_revealer.set_child(hbox_notify_revealer)
+
+        hbox_notify_revealer.append(self.label_notify_revealer)
+
+        if self.textview.get_buffer() is not None:
+            self.textview = Gtk.TextView()
+            self.textview.set_property("editable", False)
+            self.textview.set_property("monospace", True)
+
+            self.textview.set_vexpand(True)
+            self.textview.set_hexpand(True)
+
+            self.textview.set_buffer(self.textbuffer)
+            self.scrolled_window.set_child(self.textview)
+
+        self.scrolled_window.set_size_request(300, 300)
+
+        vbox_progress.append(hbox_progress_warning)
+        vbox_progress.append(self.notify_revealer)
+        vbox_progress.append(self.scrolled_window)
+        vbox_progress.append(self.hbox_spinner)
+        vbox_progress.append(self.label_status)
+        vbox_progress.append(vbox_padding)
+        vbox_progress.append(hbox_button_close)
+
+        self.present()
+
+        self.linux_headers = None
+
+        if (
+            self.source == "official"
+            and action == "install"
+            or action == "uninstall"
+            and self.source == "official"
+        ):
+            if kernel.name == "linux":
+                self.linux_headers = "linux-headers"
+            if kernel.name == "linux-rt":
+                self.linux_headers = "linux-rt-headers"
+            if kernel.name == "linux-rt-lts":
+                self.linux_headers = "linux-rt-lts-headers"
+            if kernel.name == "linux-hardened":
+                self.linux_headers = "linux-hardened-headers"
+            if kernel.name == "linux-zen":
+                self.linux_headers = "linux-zen-headers"
+            if kernel.name == "linux-lts":
+                self.linux_headers = "linux-lts-headers"
+
+            self.official_kernels = [
+                "%s/packages/l/%s/%s-x86_64%s"
+                % (
+                    fn.archlinux_mirror_archive_url,
+                    kernel.name,
+                    kernel.version,
+                    kernel.file_format,
+                ),
+                "%s/packages/l/%s/%s-x86_64%s"
+                % (
+                    fn.archlinux_mirror_archive_url,
+                    self.linux_headers,
+                    kernel.headers,
+                    kernel.file_format,
+                ),
+            ]
+
+        # in the event an install goes wrong, fallback and reinstall previous kernel
+
+        if self.source == "official":
+            self.restore_kernel = None
+
+            for inst_kernel in fn.get_installed_kernels():
+                if inst_kernel.name == self.kernel.name:
+
+                    self.restore_kernel = inst_kernel
+                    break
+
+            if self.restore_kernel:
+                fn.logger.info("Restore kernel = %s" % self.restore_kernel.name)
+                fn.logger.info(
+                    "Restore kernel version = %s" % self.restore_kernel.version
+                )
+            else:
+                fn.logger.info("No previous %s kernel installed" % self.kernel.name)
+        else:
+            fn.logger.info("Community kernel, no kernel restore available")
+
+        if fn.check_pacman_lockfile() is False:
+            th_monitor_messages_queue = fn.threading.Thread(
+                name=fn.thread_monitor_messages,
+                target=fn.monitor_messages_queue,
+                daemon=True,
+                args=(self,),
+            )
+
+            th_monitor_messages_queue.start()
+
+            if fn.is_thread_alive(fn.thread_monitor_messages):
+                self.textbuffer.delete(
+                    self.textbuffer.get_start_iter(), self.textbuffer.get_end_iter()
+                )
+
+            if not fn.is_thread_alive(fn.thread_check_kernel_state):
+                th_check_kernel_state = fn.threading.Thread(
+                    name=fn.thread_check_kernel_state,
+                    target=self.check_kernel_state,
+                    daemon=True,
+                )
+                th_check_kernel_state.start()
+
+            if action == "install" and self.source == "community":
+                self.label_notify_revealer.set_text(
+                    "Installing from %s" % kernel.repository
+                )
+                self.reveal_notify()
+                event = (
+                    "%s [INFO]: Installing kernel from repository %s, kernel = %s-%s\n"
+                    % (
+                        fn.datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S"),
+                        self.kernel.repository,
+                        self.kernel.name,
+                        self.kernel.version,
+                    )
+                )
+                self.messages_queue.put(event)
+
+                if not fn.is_thread_alive(fn.thread_install_community_kernel):
+                    th_install_ch = fn.threading.Thread(
+                        name=fn.thread_install_community_kernel,
+                        target=fn.install_community_kernel,
+                        args=(self,),
+                        daemon=True,
+                    )
+
+                    th_install_ch.start()
+
+            if action == "install" and self.source == "official":
+                self.label_notify_revealer.set_text("Installing kernel packages ...")
+
+                self.reveal_notify()
+
+                event = "%s [INFO]: Installing kernel = %s | version = %s\n" % (
+                    fn.datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S"),
+                    self.kernel.name,
+                    self.kernel.version,
+                )
+                self.messages_queue.put(event)
+
+                if not fn.is_thread_alive(fn.thread_install_archive_kernel):
+                    th_install = fn.threading.Thread(
+                        name=fn.thread_install_archive_kernel,
+                        target=fn.install_archive_kernel,
+                        args=(self,),
+                        daemon=True,
+                    )
+
+                    th_install.start()
+
+            if action == "uninstall":
+                if fn.check_pacman_lockfile() is False:
+                    self.label_notify_revealer.set_text("Removing kernel packages ...")
+                    self.reveal_notify()
+
+                    event = "%s [INFO]: Uninstalling kernel %s %s\n" % (
+                        fn.datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S"),
+                        self.kernel.name,
+                        self.kernel.version,
+                    )
+                    self.messages_queue.put(event)
+
+                    if not fn.is_thread_alive(fn.thread_uninstall_kernel):
+                        th_uninstall_kernel = fn.threading.Thread(
+                            name=fn.thread_uninstall_kernel,
+                            target=self.uninstall_kernel,
+                            daemon=True,
+                        )
+
+                        th_uninstall_kernel.start()
+        else:
+            self.label_notify_revealer.set_text(
+                "Pacman lockfile found cannot continue ..."
+            )
+
+            self.reveal_notify()
+
+            fn.logger.error(
+                "Pacman lockfile found, is another pacman process running ?"
+            )
+
+    def timeout(self):
+        self.hide_notify()
+
+    def hide_notify(self):
+        self.notify_revealer.set_reveal_child(False)
+        if self.timeout_id is not None:
+            GLib.source_remove(self.timeout_id)
+        self.timeout_id = None
+
+    def reveal_notify(self):
+        # reveal = self.notify_revealer.get_reveal_child()
+        self.notify_revealer.set_reveal_child(True)
+        self.timeout_id = GLib.timeout_add(3000, self.timeout)
+
+    def on_button_close_response(self, widget):
+        if fn.check_pacman_process(self):
+            mw = MessageWindow(
+                title="Pacman process running",
+                message="Pacman is busy processing a transaction .. please wait",
+                image_path="images/48x48/akm-progress.png",
+                transient_for=self,
+                detailed_message=False,
+            )
+
+            mw.present()
+        else:
+            self.destroy()
+
+    def on_close(self, data):
+        if fn.check_pacman_process(self):
+            mw = MessageWindow(
+                title="Pacman process running",
+                message="Pacman is busy processing a transaction .. please wait",
+                image_path="images/48x48/akm-progress.png",
+                transient_for=self,
+                detailed_message=False,
+            )
+
+            mw.present()
+
+            return True
+        return False
+
+    def check_kernel_state(self):
+        returncode = None
+        kernel = None
+        while True:
+            items = self.kernel_state_queue.get()
+
+            try:
+                if items is not None:
+                    returncode, action, kernel = items
+
+                    if returncode == 0:
+                        self.label_notify_revealer.set_text(
+                            "Kernel %s completed" % action
+                        )
+                        self.reveal_notify()
+
+                        fn.logger.info("Kernel %s completed" % action)
+
+                    if returncode == 1:
+                        self.errors_found = True
+
+                        self.label_notify_revealer.set_text("Kernel %s failed" % action)
+                        self.reveal_notify()
+
+                        fn.logger.error("Kernel %s failed" % action)
+
+                        event = "%s <b>[ERROR]: Kernel %s failed</b>\n" % (
+                            fn.datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S"),
+                            action,
+                        )
+                        self.messages_queue.put(event)
+
+                        self.label_status.set_markup(
+                            "<span foreground='orange'><b>Kernel %s failed - see logs above</b></span>"
+                            % action
+                        )
+
+                        # undo action here if action == install
+
+                        event = (
+                            "%s<b> [INFO]: Attempting to undo previous Linux package changes</b>\n"
+                            % (
+                                fn.datetime.datetime.now().strftime(
+                                    "%Y-%m-%d-%H-%M-%S"
+                                ),
+                            )
+                        )
+
+                        self.messages_queue.put(event)
+
+                        if action == "install" and self.restore_kernel is not None:
+                            self.restore = True
+                            fn.logger.info(
+                                "Installation failed, attempting removal of previous Linux package changes"
+                            )
+                            self.set_title("Kernel installation failed")
+
+                            self.label_spinner_progress.set_markup(
+                                "<b>Please wait restoring kernel %s</b>"
+                                % self.restore_kernel.version
+                            )
+
+                            fn.uninstall(self)
+
+                            fn.logger.info(
+                                "Restoring previously installed kernel %s"
+                                % self.restore_kernel.version
+                            )
+
+                            self.official_kernels = [
+                                "%s/packages/l/%s/%s-%s-x86_64%s"
+                                % (
+                                    fn.archlinux_mirror_archive_url,
+                                    self.restore_kernel.name,
+                                    self.restore_kernel.name,
+                                    self.restore_kernel.version,
+                                    ".pkg.tar.zst",
+                                ),
+                                "%s/packages/l/%s/%s-%s-x86_64%s"
+                                % (
+                                    fn.archlinux_mirror_archive_url,
+                                    self.linux_headers,
+                                    self.linux_headers,
+                                    self.restore_kernel.version,
+                                    ".pkg.tar.zst",
+                                ),
+                            ]
+                            self.errors_found = False
+                            fn.install_archive_kernel(self)
+                            self.set_title("Kernel installation failed")
+                            self.label_status.set_markup(
+                                f"<span foreground='orange'><b>Kernel %s failed - see logs above</b></span>\n"
+                                % action
+                            )
+
+                    # self.spinner.set_spinning(False)
+                    # self.hbox_spinner.hide()
+                    #
+                    # self.label_progress_window_desc.set_markup(
+                    #     f"<b>This window can be now closed</b>\n"
+                    #     f"<b>A reboot is recommended when Linux packages have changed</b>"
+                    # )
+
+                    # break
+                else:
+                    if (
+                        returncode == 0
+                        and "-headers" in kernel
+                        or action == "uninstall"
+                        or action == "install"
+                        and self.errors_found is False
+                    ):
+
+                        fn.update_bootloader(self)
+                        self.update_installed_list()
+                        self.update_official_list()
+
+                        if len(self.manager_gui.community_kernels) > 0:
+                            self.update_community_list()
+
+                        if self.restore == False:
+                            self.label_title.set_markup(
+                                "<b>Kernel %s completed</b>" % action
+                            )
+
+                            self.label_status.set_markup(
+                                "<span foreground='orange'><b>Kernel %s completed</b></span>"
+                                % action
+                            )
+
+                            self.spinner.set_spinning(False)
+                            self.hbox_spinner.hide()
+
+                            self.label_progress_window_desc.set_markup(
+                                f"<b>This window can be now closed</b>\n"
+                                f"<b>A reboot is recommended when Linux packages have changed</b>"
+                            )
+                        else:
+                            self.label_title.set_markup(
+                                "<b>Kernel %s failed</b>" % action
+                            )
+
+                            self.label_status.set_markup(
+                                "<span foreground='orange'><b>Kernel %s failed</b></span>"
+                                % action
+                            )
+
+                            self.spinner.set_spinning(False)
+                            self.hbox_spinner.hide()
+
+                            self.label_progress_window_desc.set_markup(
+                                f"<b>This window can be now closed</b>\n"
+                                f"<b>Previous kernel restored due to failure</b>\n"
+                                f"<b>A reboot is recommended when Linux packages have changed</b>"
+                            )
+
+                    # # else:
+                    # self.spinner.set_spinning(False)
+                    # self.hbox_spinner.hide()
+                    #
+                    # self.label_progress_window_desc.set_markup(
+                    #     f"<b>This window can be now closed</b>\n"
+                    #     f"<b>A reboot is recommended when Linux packages have changed</b>"
+                    # )
+
+                    break
+            except Exception as e:
+                fn.logger.error("Exception in check_kernel_state(): %s" % e)
+
+            finally:
+                self.kernel_state_queue.task_done()
+
+    def update_installed_list(self):
+        self.manager_gui.installed_kernels = fn.get_installed_kernels()
+        GLib.idle_add(
+            self.manager_gui.kernel_stack.add_installed_kernels_to_stack, True
+        )
+
+    def update_official_list(self):
+        self.manager_gui.installed_kernels = fn.get_installed_kernels()
+        GLib.idle_add(
+            self.manager_gui.kernel_stack.add_official_kernels_to_stack,
+            True,
+        )
+
+    def update_community_list(self):
+        self.manager_gui.installed_kernels = fn.get_installed_kernels()
+        GLib.idle_add(
+            self.manager_gui.kernel_stack.add_community_kernels_to_stack,
+            True,
+        )
+
+    def uninstall_kernel(self):
+        event = "%s [INFO]: Uninstalling kernel %s\n" % (
+            fn.datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S"),
+            self.kernel.version,
+        )
+
+        self.messages_queue.put(event)
+
+        fn.uninstall(self)

ui/SettingsWindow.py

@@ -0,0 +1,715 @@
+import gi
+import os
+from ui.Stack import Stack
+from ui.MessageWindow import MessageWindow
+import functions as fn
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk, Gio, GLib, GObject
+
+base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+
+
+class SettingsWindow(Gtk.Window):
+    def __init__(self, fn, manager_gui, **kwargs):
+        super().__init__(**kwargs)
+
+        self.set_title("Arch Linux Kernel Manager - Settings")
+        self.set_resizable(False)
+        self.set_size_request(600, 600)
+        stack = Stack(transition_type="CROSSFADE")
+
+        self.set_icon_name("akm-tux")
+        self.manager_gui = manager_gui
+        self.set_modal(True)
+        self.set_transient_for(self.manager_gui)
+
+        self.queue_kernels = self.manager_gui.queue_kernels
+
+        header_bar = Gtk.HeaderBar()
+
+        header_bar.set_show_title_buttons(True)
+
+        self.set_titlebar(header_bar)
+
+        hbox_main = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+        hbox_main.set_name("box")
+        self.set_child(child=hbox_main)
+
+        vbox_header = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+        vbox_header.set_name("vbox_header")
+
+        lbl_heading = Gtk.Label(xalign=0.5, yalign=0.5)
+        lbl_heading.set_name("label_flowbox_message")
+        lbl_heading.set_text("Preferences")
+
+        lbl_padding = Gtk.Label(xalign=0.0, yalign=0.0)
+        lbl_padding.set_text(" ")
+
+        grid_banner_img = Gtk.Grid()
+
+        image_settings = Gtk.Image.new_from_file(
+            os.path.join(base_dir, "images/48x48/akm-settings.png")
+        )
+
+        image_settings.set_icon_size(Gtk.IconSize.LARGE)
+        image_settings.set_halign(Gtk.Align.START)
+
+        grid_banner_img.attach(image_settings, 0, 1, 1, 1)
+        grid_banner_img.attach_next_to(
+            lbl_padding,
+            image_settings,
+            Gtk.PositionType.RIGHT,
+            1,
+            1,
+        )
+
+        grid_banner_img.attach_next_to(
+            lbl_heading,
+            lbl_padding,
+            Gtk.PositionType.RIGHT,
+            1,
+            1,
+        )
+
+        vbox_header.append(grid_banner_img)
+
+        hbox_main.append(vbox_header)
+
+        stack_switcher = Gtk.StackSwitcher()
+        stack_switcher.set_orientation(Gtk.Orientation.HORIZONTAL)
+        stack_switcher.set_stack(stack)
+
+        button_close = Gtk.Button(label="Close")
+        button_close.connect("clicked", self.on_close_clicked)
+
+        hbox_stack_sidebar = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=10)
+        hbox_stack_sidebar.set_name("box")
+
+        hbox_stack_sidebar.append(stack_switcher)
+        hbox_stack_sidebar.append(stack)
+
+        hbox_main.append(hbox_stack_sidebar)
+
+        vbox_button = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=10)
+        vbox_button.set_halign(Gtk.Align.END)
+        vbox_button.set_name("box")
+
+        vbox_button.append(button_close)
+
+        hbox_stack_sidebar.append(vbox_button)
+
+        vbox_settings = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+        vbox_settings.set_name("box")
+
+        label_official_kernels = Gtk.Label(xalign=0, yalign=0)
+        label_official_kernels.set_markup(
+            "<b>Latest Official kernels (%s)</b>" % len(fn.supported_kernels_dict)
+        )
+
+        label_community_kernels = Gtk.Label(xalign=0, yalign=0)
+        label_community_kernels.set_markup(
+            "<b>Latest Community based kernels (%s)</b>"
+            % len(self.manager_gui.community_kernels)
+        )
+
+        vbox_settings_listbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+
+        self.listbox_official_kernels = Gtk.ListBox()
+        self.listbox_official_kernels.set_selection_mode(Gtk.SelectionMode.NONE)
+
+        self.label_loading_kernels = Gtk.Label(xalign=0, yalign=0)
+        self.label_loading_kernels.set_text("Loading ...")
+
+        self.listbox_official_kernels.append(self.label_loading_kernels)
+
+        listbox_community_kernels = Gtk.ListBox()
+        listbox_community_kernels.set_selection_mode(Gtk.SelectionMode.NONE)
+
+        scrolled_window_community = Gtk.ScrolledWindow()
+        scrolled_window_official = Gtk.ScrolledWindow()
+
+        scrolled_window_community.set_policy(
+            Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC
+        )
+
+        scrolled_window_official.set_policy(
+            Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC
+        )
+
+        scrolled_window_community.set_size_request(0, 150)
+        scrolled_window_official.set_size_request(0, 150)
+
+        scrolled_window_official.set_child(self.listbox_official_kernels)
+        vbox_community_warning = None
+
+        self.kernel_versions_queue = fn.Queue()
+        fn.Thread(
+            target=fn.get_latest_versions,
+            args=(self,),
+            daemon=True,
+        ).start()
+
+        fn.Thread(target=self.check_official_version_queue, daemon=True).start()
+
+        if len(self.manager_gui.community_kernels) > 0:
+            for community_kernel in self.manager_gui.community_kernels:
+                row_community_kernel = Gtk.ListBoxRow()
+                hbox_community_kernel = Gtk.Box(
+                    orientation=Gtk.Orientation.VERTICAL, spacing=5
+                )
+                hbox_community_kernel.set_name("box_row")
+
+                hbox_row_official_kernel_row = Gtk.Box(
+                    orientation=Gtk.Orientation.HORIZONTAL, spacing=10
+                )
+
+                label_community_kernel = Gtk.Label(xalign=0, yalign=0)
+                label_community_kernel.set_text("%s" % community_kernel.name)
+
+                label_community_kernel_version = Gtk.Label(xalign=0, yalign=0)
+                label_community_kernel_version.set_text("%s" % community_kernel.version)
+
+                hbox_row_official_kernel_row.append(label_community_kernel)
+                hbox_row_official_kernel_row.append(label_community_kernel_version)
+
+                hbox_community_kernel.append(hbox_row_official_kernel_row)
+
+                row_community_kernel.set_child(hbox_community_kernel)
+                listbox_community_kernels.append(row_community_kernel)
+                scrolled_window_community.set_child(listbox_community_kernels)
+        else:
+            vbox_community_warning = Gtk.Box(
+                orientation=Gtk.Orientation.VERTICAL, spacing=10
+            )
+            vbox_community_warning.set_name("box")
+
+            image_warning = Gtk.Image.new_from_file(
+                os.path.join(base_dir, "images/48x48/akm-warning.png")
+            )
+
+            image_warning.set_icon_size(Gtk.IconSize.LARGE)
+            image_warning.set_halign(Gtk.Align.START)
+
+            hbox_warning = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+            hbox_warning.set_name("box")
+
+            hbox_warning.append(image_warning)
+
+            label_pacman_no_community = Gtk.Label(xalign=0, yalign=0)
+            label_pacman_no_community.set_markup(
+                f"<b>Cannot find any supported unofficial pacman repository's</b>\n"
+                f"Add unofficial pacman repository's to use community based kernels"
+            )
+
+            hbox_warning.append(label_pacman_no_community)
+
+            vbox_community_warning.append(hbox_warning)
+
+        vbox_settings_listbox.append(label_official_kernels)
+        vbox_settings_listbox.append(scrolled_window_official)
+        vbox_settings_listbox.append(label_community_kernels)
+
+        if len(self.manager_gui.community_kernels) > 0:
+            vbox_settings_listbox.append(scrolled_window_community)
+        else:
+            vbox_settings_listbox.append(vbox_community_warning)
+
+        vbox_settings.append(vbox_settings_listbox)
+
+        vbox_settings_adv = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+
+        vbox_settings_adv.set_name("box")
+
+        self.listbox_settings_adv = Gtk.ListBox()
+        self.listbox_settings_adv.set_selection_mode(Gtk.SelectionMode.NONE)
+
+        row_settings_adv = Gtk.ListBoxRow()
+        self.listbox_settings_adv.append(row_settings_adv)
+
+        hbox_bootloader_row = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+        hbox_bootloader_row.set_name("box_row")
+        hbox_bootloader_row.set_halign(Gtk.Align.START)
+
+        self.hbox_bootloader_grub_row = Gtk.Box(
+            orientation=Gtk.Orientation.HORIZONTAL, spacing=5
+        )
+        self.hbox_bootloader_grub_row.set_name("box_row")
+        self.hbox_bootloader_grub_row.set_halign(Gtk.Align.START)
+
+        self.text_entry_bootloader_file = Gtk.Entry()
+
+        hbox_switch_row = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+        hbox_switch_row.set_name("box_row")
+        hbox_switch_row.set_halign(Gtk.Align.START)
+
+        hbox_log_row = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+        hbox_log_row.set_name("box_row")
+        hbox_log_row.set_halign(Gtk.Align.START)
+
+        label_bootloader = Gtk.Label(xalign=0, yalign=0)
+        label_bootloader.set_markup("<b>Bootloader</b>")
+
+        hbox_warning = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
+        hbox_warning.set_name("hbox_warning")
+
+        label_bootloader_warning = Gtk.Label(xalign=0, yalign=0)
+        label_bootloader_warning.set_markup(
+            f"Only change this setting if you know what you are doing\n"
+            f"The selected Grub/Systemd-boot bootloader entry will be updated\n"
+            f"<b>This may break your system</b>"
+        )
+
+        hbox_warning.append(label_bootloader_warning)
+
+        label_settings_bootloader_title = Gtk.Label(xalign=0.5, yalign=0.5)
+        label_settings_bootloader_title.set_markup("Current Bootloader")
+
+        self.label_settings_bootloader_file = Gtk.Label(xalign=0.5, yalign=0.5)
+        self.label_settings_bootloader_file.set_text("GRUB config file")
+
+        self.button_override_bootloader = Gtk.Button(
+            label="Override bootloader settings"
+        )
+        self.button_override_bootloader.connect("clicked", self.on_override_clicked)
+        self.hbox_bootloader_override_row = Gtk.Box(
+            orientation=Gtk.Orientation.HORIZONTAL, spacing=20
+        )
+        self.hbox_bootloader_override_row.set_name("box_row")
+        self.hbox_bootloader_override_row.append(self.button_override_bootloader)
+
+        boot_loaders = {0: "grub", 1: "systemd-boot"}
+
+        # Set up the factory
+        factory = Gtk.SignalListItemFactory()
+        factory.connect("setup", self._on_factory_setup)
+        factory.connect("bind", self._on_factory_bind)
+
+        self.model = Gio.ListStore(item_type=Bootloader)
+        for bootloader_id in boot_loaders.keys():
+            self.model.append(
+                Bootloader(
+                    id=bootloader_id,
+                    name=boot_loaders[bootloader_id],
+                )
+            )
+
+        self.dropdown_bootloader = Gtk.DropDown(
+            model=self.model, factory=factory, hexpand=True
+        )
+
+        self.dropdown_bootloader.set_sensitive(False)
+
+        self.selected_bootloader = None
+
+        self._bootloader_grub_config = "/boot/grub/grub.cfg"
+
+        row_settings_override_grub = Gtk.ListBoxRow()
+        row_settings_grub = Gtk.ListBoxRow()
+        self.listbox_settings_adv.append(row_settings_grub)
+
+        self.listbox_settings_adv.append(row_settings_override_grub)
+
+        self.text_entry_bootloader_file.connect("changed", self.on_entry_changed)
+        self.text_entry_bootloader_file.props.editable = False
+        text_entry_buffer_file = Gtk.EntryBuffer()
+
+        if self.manager_gui.bootloader_grub_cfg is not None:
+            text_entry_buffer_file.set_text(
+                self.manager_gui.bootloader_grub_cfg,
+                len(self.manager_gui.bootloader_grub_cfg),
+            )
+        else:
+            text_entry_buffer_file.set_text(
+                self._bootloader_grub_config,
+                len(self._bootloader_grub_config),
+            )
+
+        self.text_entry_bootloader_file.set_buffer(text_entry_buffer_file)
+        self.text_entry_bootloader_file.set_halign(Gtk.Align.END)
+        self.text_entry_bootloader_file.set_sensitive(False)
+
+        label_grub_file_path = Gtk.Label(xalign=0.5, yalign=0.5)
+        label_grub_file_path.set_markup("Grub file path")
+
+        self.hbox_bootloader_grub_row.append(label_grub_file_path)
+        self.hbox_bootloader_grub_row.append(self.text_entry_bootloader_file)
+
+        row_settings_grub.set_child(self.hbox_bootloader_grub_row)
+
+        if manager_gui.bootloader == "grub":
+            self.dropdown_bootloader.set_selected(0)
+            self.selected_bootloader = 0
+            self.hbox_bootloader_grub_row.set_visible(True)
+
+            row_settings_override_grub.set_child(self.hbox_bootloader_override_row)
+
+        if manager_gui.bootloader == "systemd-boot":
+
+            self.selected_bootloader = 1
+
+            self.dropdown_bootloader.set_selected(1)
+            row_settings_override_systemd = Gtk.ListBoxRow()
+            self.listbox_settings_adv.append(row_settings_override_systemd)
+            row_settings_override_systemd.set_child(self.hbox_bootloader_override_row)
+
+            self.hbox_bootloader_grub_row.set_visible(False)
+
+        self.dropdown_bootloader.connect(
+            "notify::selected-item", self._on_selected_item_notify
+        )
+
+        hbox_bootloader_row.append(label_settings_bootloader_title)
+        hbox_bootloader_row.append(self.dropdown_bootloader)
+
+        row_settings_adv.set_child(hbox_bootloader_row)
+
+        vbox_settings_adv.append(label_bootloader)
+        vbox_settings_adv.append(hbox_warning)
+        vbox_settings_adv.append(self.listbox_settings_adv)
+
+        listbox_settings_cache = Gtk.ListBox()
+        listbox_settings_cache.set_selection_mode(Gtk.SelectionMode.NONE)
+
+        row_settings_cache = Gtk.ListBoxRow()
+        listbox_settings_cache.append(row_settings_cache)
+
+        label_cache = Gtk.Label(xalign=0, yalign=0)
+        label_cache.set_markup("<b>Refresh data from Arch Linux Archive</b>")
+
+        label_cache_update = Gtk.Label(xalign=0.5, yalign=0.5)
+        label_cache_update.set_text("Update (this will take some time)")
+
+        self.label_cache_update_status = Gtk.Label(xalign=0.5, yalign=0.5)
+
+        switch_refresh_cache = Gtk.Switch()
+        switch_refresh_cache.connect("state-set", self.refresh_toggle)
+
+        label_cache_file = Gtk.Label(xalign=0, yalign=0)
+        label_cache_file.set_text(fn.cache_file)
+        label_cache_file.set_selectable(True)
+
+        self.label_cache_lastmodified = Gtk.Label(xalign=0, yalign=0)
+        self.label_cache_lastmodified.set_markup(
+            "Last modified date: <b>%s</b>" % fn.get_cache_last_modified()
+        )
+
+        hbox_switch_row.append(label_cache_update)
+        hbox_switch_row.append(switch_refresh_cache)
+        hbox_switch_row.append(self.label_cache_update_status)
+
+        row_settings_cache.set_child(hbox_switch_row)
+
+        label_logfile = Gtk.Label(xalign=0, yalign=0)
+        label_logfile.set_markup("<b>Log file</b>")
+
+        button_logfile = Gtk.Button(label="Open event log file")
+        button_logfile.connect("clicked", self.on_button_logfile_clicked)
+
+        label_logfile_location = Gtk.Label(xalign=0.5, yalign=0.5)
+        label_logfile_location.set_text(fn.event_log_file)
+        label_logfile_location.set_selectable(True)
+        hbox_log_row.append(button_logfile)
+        hbox_log_row.append(label_logfile_location)
+
+        listbox_settings_log = Gtk.ListBox()
+        listbox_settings_log.set_selection_mode(Gtk.SelectionMode.NONE)
+
+        row_settings_log = Gtk.ListBoxRow()
+        listbox_settings_log.append(row_settings_log)
+
+        row_settings_log.set_child(hbox_log_row)
+
+        vbox_settings_adv.append(label_cache)
+        vbox_settings_adv.append(self.label_cache_lastmodified)
+        vbox_settings_adv.append(label_cache_file)
+        vbox_settings_adv.append(listbox_settings_cache)
+        vbox_settings_adv.append(label_logfile)
+        vbox_settings_adv.append(listbox_settings_log)
+
+        stack.add_titled(vbox_settings_adv, "Advanced Settings", "Advanced")
+        stack.add_titled(vbox_settings, "Kernels", "Kernel versions")
+
+    def populate_official_kernels(self):
+        self.label_loading_kernels.hide()
+        for official_kernel in fn.supported_kernels_dict:
+            row_official_kernel = Gtk.ListBoxRow()
+            hbox_row_official = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=5)
+
+            hbox_row_official_kernel_row = Gtk.Box(
+                orientation=Gtk.Orientation.HORIZONTAL, spacing=10
+            )
+
+            hbox_row_official.set_name("box_row")
+
+            label_kernel = Gtk.Label(xalign=0, yalign=0)
+            label_kernel.set_text("%s" % official_kernel)
+
+            label_kernel_version = Gtk.Label(xalign=0, yalign=0)
+            label_kernel_version.set_text("%s" % self.kernel_versions[official_kernel])
+
+            hbox_row_official_kernel_row.append(label_kernel)
+            hbox_row_official_kernel_row.append(label_kernel_version)
+
+            hbox_row_official.append(hbox_row_official_kernel_row)
+
+            row_official_kernel.set_child(hbox_row_official)
+
+            self.listbox_official_kernels.append(row_official_kernel)
+
+    def check_official_version_queue(self):
+        while True:
+            self.kernel_versions = self.kernel_versions_queue.get()
+
+            if self.kernel_versions is not None:
+                break
+
+        self.kernel_versions_queue.task_done()
+
+        GLib.idle_add(self.populate_official_kernels, priority=GLib.PRIORITY_DEFAULT)
+
+    def on_entry_changed(self, entry):
+        if (
+            len(entry.get_text()) > 0
+            and entry.get_text() != self.manager_gui.bootloader_grub_cfg
+        ):
+            self.button_override_bootloader.get_child().set_text("Apply changes")
+
+    def _on_factory_setup(self, factory, list_item):
+        label = Gtk.Label()
+        list_item.set_child(label)
+
+    def _on_factory_bind(self, factory, list_item):
+        label = list_item.get_child()
+        bootloader = list_item.get_item()
+        label.set_text(bootloader.name)
+
+    def on_override_clicked(self, widget):
+        if self.button_override_bootloader.get_child().get_text() == "Apply changes":
+            # validate bootloader
+            if self.dropdown_bootloader.get_selected() == 1:
+                if not os.path.exists(
+                    "/sys/firmware/efi/fw_platform_size"
+                ) or not os.path.exists("/sys/firmware/efi/efivars"):
+                    mw = MessageWindow(
+                        title="Legacy boot detected",
+                        message="Cannot select systemd-boot, UEFI boot mode is not available",
+                        image_path="images/48x48/akm-warning.png",
+                        transient_for=self,
+                        detailed_message=False,
+                    )
+
+                    mw.present()
+                    self.dropdown_bootloader.set_selected(0)
+                    return
+
+            config_data = fn.read_config(self)
+
+            if config_data is not None:
+                # grub
+
+                if (
+                    self.dropdown_bootloader.get_selected() == 0
+                    and len(
+                        self.text_entry_bootloader_file.get_buffer().get_text().strip()
+                    )
+                    > 0
+                ):
+                    if fn.os.path.exists(
+                        self.text_entry_bootloader_file.get_buffer().get_text().strip()
+                    ):
+                        if "bootloader" in config_data.keys():
+                            config_data.remove("bootloader")
+
+                        bootloader = fn.tomlkit.table(True)
+                        bootloader.update({"name": "grub"})
+                        bootloader.update(
+                            {
+                                "grub_config": self.text_entry_bootloader_file.get_buffer()
+                                .get_text()
+                                .strip()
+                            }
+                        )
+
+                        config_data.append("bootloader", bootloader)
+
+                        if fn.update_config(config_data, "grub") is True:
+                            self.manager_gui.bootloader = "grub"
+                            self.manager_gui.bootloader_grub_cfg = (
+                                self.text_entry_bootloader_file.get_buffer()
+                                .get_text()
+                                .strip()
+                            )
+                    else:
+                        mw = MessageWindow(
+                            title="Grub config file",
+                            message="The specified Grub config file %s does not exist"
+                            % self.text_entry_bootloader_file.get_buffer()
+                            .get_text()
+                            .strip(),
+                            image_path="images/48x48/akm-warning.png",
+                            transient_for=self,
+                            detailed_message=False,
+                        )
+
+                        mw.present()
+                        self.button_override_bootloader.get_child().set_text(
+                            "Override bootloader settings"
+                        )
+
+                elif (
+                    self.dropdown_bootloader.get_selected() == 1
+                    and self.selected_bootloader
+                    != self.dropdown_bootloader.get_selected()
+                ):
+                    if "bootloader" in config_data.keys():
+                        config_data.remove("bootloader")
+
+                    self.hbox_bootloader_grub_row.set_visible(True)
+
+                    bootloader = fn.tomlkit.table(True)
+                    bootloader.update({"name": "systemd-boot"})
+
+                    config_data.append("bootloader", bootloader)
+
+                    if fn.update_config(config_data, "systemd-boot") is True:
+                        self.manager_gui.bootloader = "systemd-boot"
+
+        else:
+            self.dropdown_bootloader.set_sensitive(True)
+
+            if self.dropdown_bootloader.get_selected() == 0:
+                self.hbox_bootloader_grub_row.set_visible(True)
+                self.text_entry_bootloader_file.set_sensitive(True)
+                self.text_entry_bootloader_file.props.editable = True
+            elif self.dropdown_bootloader.get_selected() == 1:
+                self.hbox_bootloader_grub_row.set_visible(False)
+
+    def _on_selected_item_notify(self, dd, _):
+        if self.dropdown_bootloader.get_selected() != self.selected_bootloader:
+            self.button_override_bootloader.get_child().set_text("Apply changes")
+        else:
+            self.button_override_bootloader.get_child().set_text(
+                "Override bootloader settings"
+            )
+        if dd.get_selected() == 1:
+            if self.text_entry_bootloader_file is not None:
+                self.hbox_bootloader_grub_row.set_visible(False)
+        elif dd.get_selected() == 0:
+            if self.text_entry_bootloader_file is not None:
+                self.hbox_bootloader_grub_row.set_visible(True)
+                self.text_entry_bootloader_file.set_sensitive(True)
+                self.text_entry_bootloader_file.props.editable = True
+
+    def monitor_kernels_queue(self, switch):
+        while True:
+            if len(fn.fetched_kernels_dict) > 0:
+                self.manager_gui.official_kernels = self.queue_kernels.get()
+                self.queue_kernels.task_done()
+                self.refreshed = True
+                if self.manager_gui.official_kernels is not None:
+                    switch.set_sensitive(False)
+                    self.update_official_list()
+                    self.update_community_list()
+                    self.update_timestamp()
+                    self.label_cache_update_status.set_markup(
+                        "<b>Cache refresh completed</b>"
+                    )
+                else:
+                    self.label_cache_update_status.set_markup(
+                        "<b>Cache refresh failed</b>"
+                    )
+                    self.refreshed = False
+                    self.update_timestamp()
+                break
+            else:
+                self.label_cache_update_status.set_markup(
+                    "<b>Cache refresh in progress</b>"
+                )
+                # fn.time.sleep(0.3)
+
+    def refresh_toggle(self, switch, data):
+        if switch.get_active() is True:
+            # refresh cache
+            fn.logger.info("Refreshing cache file %s" % fn.cache_file)
+            switch.set_sensitive(False)
+
+            try:
+                th_refresh_cache = fn.Thread(
+                    name=fn.thread_refresh_cache,
+                    target=fn.refresh_cache,
+                    args=(self,),
+                    daemon=True,
+                )
+
+                th_refresh_cache.start()
+
+                # monitor queue
+                fn.Thread(
+                    target=self.monitor_kernels_queue, daemon=True, args=(switch,)
+                ).start()
+
+            except Exception as e:
+                fn.logger.error("Exception in refresh_toggle(): %s" % e)
+                self.label_cache_update_status.set_markup("<b>Cache refresh failed</b>")
+
+    def update_timestamp(self):
+        if self.refreshed is True:
+            self.label_cache_lastmodified.set_markup(
+                "Last modified date: <span foreground='orange'><b>%s</b></span>"
+                % fn.get_cache_last_modified()
+            )
+        else:
+            self.label_cache_lastmodified.set_markup(
+                "Last modified date: <span foreground='orange'><b>%s</b></span>"
+                % "Refresh failed"
+            )
+
+    def update_official_list(self):
+        self.manager_gui.installed_kernels = fn.get_installed_kernels()
+        GLib.idle_add(
+            self.manager_gui.kernel_stack.add_official_kernels_to_stack,
+            True,
+        )
+
+    def update_community_list(self):
+        self.manager_gui.installed_kernels = fn.get_installed_kernels()
+
+        GLib.idle_add(
+            self.manager_gui.kernel_stack.add_community_kernels_to_stack,
+            True,
+        )
+
+    def on_close_clicked(self, widget):
+        self.destroy()
+
+    def on_button_logfile_clicked(self, widget):
+        try:
+            cmd = ["sudo", "-u", fn.sudo_username, "xdg-open", fn.event_log_file]
+            fn.subprocess.Popen(
+                cmd,
+                shell=False,
+                stdout=fn.subprocess.PIPE,
+                stderr=fn.subprocess.STDOUT,
+            )
+
+        except Exception as e:
+            fn.logger.error("Exception in on_button_logfile_clicked(): %s" % e)
+
+
+class Bootloader(GObject.Object):
+    __gtype_name__ = "Bootloader"
+
+    def __init__(self, id, name):
+        super().__init__()
+
+        self.id = id
+        self.name = name
+
+    @GObject.Property
+    def bootloader_id(self):
+        return self.id
+
+    @GObject.Property
+    def bootloader_name(self):
+        return self.name

ui/SplashScreen.py

@@ -0,0 +1,30 @@
+import gi
+import functions as fn
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk, Gio
+
+base_dir = fn.os.path.abspath(fn.os.path.join(fn.os.path.dirname(__file__), ".."))
+
+
+class SplashScreen(Gtk.Window):
+    def __init__(self, app_name, **kwargs):
+        super().__init__(**kwargs)
+        self.set_decorated(False)
+        self.set_resizable(False)
+        self.set_default_size(600, 400)
+
+        self.set_modal(True)
+        self.set_title(app_name)
+        self.set_icon_name("archlinux-kernel-manager-tux")
+
+        tux_icon = Gtk.Picture.new_for_file(
+            file=Gio.File.new_for_path(
+                fn.os.path.join(base_dir, "images/600x400/akm-tux-splash.png")
+            )
+        )
+
+        tux_icon.set_content_fit(content_fit=Gtk.ContentFit.FILL)
+
+        self.set_child(child=tux_icon)
+        self.present()

ui/Stack.py

@@ -0,0 +1,30 @@
+import gi
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk
+
+
+class Stack(Gtk.Stack):
+    def __init__(self, transition_type):
+        super(Stack, self).__init__()
+
+        # self.set_transition_type(Gtk.StackTransitionType.ROTATE_LEFT)
+        if transition_type == "ROTATE_LEFT":
+            transition_type = Gtk.StackTransitionType.ROTATE_LEFT
+        if transition_type == "ROTATE_RIGHT":
+            transition_type = Gtk.StackTransitionType.ROTATE_RIGHT
+        if transition_type == "CROSSFADE":
+            transition_type = Gtk.StackTransitionType.CROSSFADE
+        if transition_type == "SLIDE_UP":
+            transition_type = Gtk.StackTransitionType.SLIDE_UP
+        if transition_type == "SLIDE_DOWN":
+            transition_type = Gtk.StackTransitionType.SLIDE_DOWN
+        if transition_type == "OVER_DOWN":
+            transition_type = Gtk.StackTransitionType.OVER_DOWN
+
+        self.set_transition_type(transition_type)
+        self.set_hexpand(True)
+        self.set_vexpand(True)
+        self.set_transition_duration(250)
+        self.set_hhomogeneous(False)
+        self.set_vhomogeneous(False)