[gnome-software: 5/9] updates-section: Style it like other sections
- From: Philip Withnall <pwithnall src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-software: 5/9] updates-section: Style it like other sections
- Date: Tue, 27 Jul 2021 15:44:42 +0000 (UTC)
commit 9a65a364492fda5651d2e0ae16e67494e352955c
Author: Adrien Plazas <kekun plazas laposte net>
Date: Wed Jul 21 15:06:35 2021 +0200
updates-section: Style it like other sections
This moves the header out of the list box, complexifying its layout and
making it not extend GtkListBox anymore.
src/gnome-software.gresource.xml | 1 +
src/gs-updates-page.ui | 9 +-
src/gs-updates-section.c | 242 ++++++++++++++++++++-------------------
src/gs-updates-section.h | 2 +-
src/gs-updates-section.ui | 112 ++++++++++++++++++
src/gtk-style.css | 9 ++
6 files changed, 255 insertions(+), 120 deletions(-)
---
diff --git a/src/gnome-software.gresource.xml b/src/gnome-software.gresource.xml
index 8d3e33be8..34c69140b 100644
--- a/src/gnome-software.gresource.xml
+++ b/src/gnome-software.gresource.xml
@@ -39,6 +39,7 @@
<file preprocess="xml-stripblanks">gs-third-party-repo-row.ui</file>
<file preprocess="xml-stripblanks">gs-update-dialog.ui</file>
<file preprocess="xml-stripblanks">gs-updates-page.ui</file>
+ <file preprocess="xml-stripblanks">gs-updates-section.ui</file>
<file preprocess="xml-stripblanks">gs-upgrade-banner.ui</file>
<file preprocess="xml-stripblanks">org.freedesktop.PackageKit.xml</file>
<file>gtk-style.css</file>
diff --git a/src/gs-updates-page.ui b/src/gs-updates-page.ui
index 127b273cf..fe6618853 100644
--- a/src/gs-updates-page.ui
+++ b/src/gs-updates-page.ui
@@ -126,11 +126,14 @@
<property name="hscrollbar_policy">never</property>
<property name="vscrollbar_policy">automatic</property>
<property name="shadow_type">none</property>
+ <style>
+ <class name="list-page"/>
+ </style>
<child>
- <object class="GsFixedSizeBin" id="gs_fixed_bin">
+ <object class="HdyClamp" id="gs_fixed_bin">
<property name="visible">True</property>
- <property name="preferred-width">860</property>
- <property name="border-width">24</property>
+ <property name="maximum-size">860</property>
+ <property name="tightening-threshold">860</property>
<child>
<object class="GtkBox" id="list_box_updates_box">
<property name="visible">True</property>
diff --git a/src/gs-updates-section.c b/src/gs-updates-section.c
index fe95710fe..b4227a71a 100644
--- a/src/gs-updates-section.c
+++ b/src/gs-updates-section.c
@@ -23,7 +23,18 @@
struct _GsUpdatesSection
{
- GtkListBox parent_instance;
+ GtkBox parent_instance;
+
+ GtkWidget *button_cancel;
+ GtkWidget *button_download;
+ GtkWidget *button_stack;
+ GtkWidget *button_update;
+ GtkWidget *description;
+ GtkWidget *listbox;
+ GtkWidget *listbox_box;
+ GtkWidget *section_header;
+ GtkWidget *title;
+
GsAppList *list;
GsUpdatesSectionKind kind;
GCancellable *cancellable;
@@ -35,15 +46,10 @@ struct _GsUpdatesSection
GtkSizeGroup *sizegroup_button_label;
GtkSizeGroup *sizegroup_button_image;
GtkSizeGroup *sizegroup_header;
- GtkWidget *button_download;
- GtkWidget *button_update;
- GtkWidget *button_cancel;
- GtkStack *button_stack;
- GtkWidget *section_header;
gboolean is_narrow;
};
-G_DEFINE_TYPE (GsUpdatesSection, gs_updates_section, GTK_TYPE_LIST_BOX)
+G_DEFINE_TYPE (GsUpdatesSection, gs_updates_section, GTK_TYPE_BOX)
typedef enum {
PROP_IS_NARROW = 1,
@@ -57,6 +63,20 @@ gs_updates_section_get_list (GsUpdatesSection *self)
return self->list;
}
+static gboolean
+_listbox_keynav_failed_cb (GsAppRow *app_row, GtkDirectionType direction)
+{
+ GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (app_row));
+
+ if (!toplevel)
+ return FALSE;
+
+ if (direction != GTK_DIR_UP && direction != GTK_DIR_DOWN)
+ return FALSE;
+
+ return gtk_widget_child_focus (toplevel, direction == GTK_DIR_UP ? GTK_DIR_TAB_BACKWARD :
GTK_DIR_TAB_FORWARD);
+}
+
static void
_app_row_button_clicked_cb (GsAppRow *app_row, GsUpdatesSection *self)
{
@@ -284,7 +304,7 @@ _update_buttons (GsUpdatesSection *self)
if (self->cancellable != NULL) {
gtk_widget_set_sensitive (self->button_cancel,
!g_cancellable_is_cancelled (self->cancellable));
- gtk_stack_set_visible_child_name (self->button_stack, "cancel");
+ gtk_stack_set_visible_child_name (GTK_STACK (self->button_stack), "cancel");
gtk_widget_show (GTK_WIDGET (self->button_stack));
return;
}
@@ -292,16 +312,16 @@ _update_buttons (GsUpdatesSection *self)
if (self->kind == GS_UPDATES_SECTION_KIND_OFFLINE_FIRMWARE ||
self->kind == GS_UPDATES_SECTION_KIND_OFFLINE) {
if (_all_offline_updates_downloaded (self))
- gtk_stack_set_visible_child_name (self->button_stack, "update");
+ gtk_stack_set_visible_child_name (GTK_STACK (self->button_stack), "update");
else
- gtk_stack_set_visible_child_name (self->button_stack, "download");
+ gtk_stack_set_visible_child_name (GTK_STACK (self->button_stack), "download");
gtk_widget_show (GTK_WIDGET (self->button_stack));
/* TRANSLATORS: This is the button for installing all
* offline updates */
gtk_button_set_label (GTK_BUTTON (self->button_update), _("Restart & Update"));
} else if (self->kind == GS_UPDATES_SECTION_KIND_ONLINE) {
- gtk_stack_set_visible_child_name (self->button_stack, "update");
+ gtk_stack_set_visible_child_name (GTK_STACK (self->button_stack), "update");
gtk_widget_show (GTK_WIDGET (self->button_stack));
/* TRANSLATORS: This is the button for upgrading all
* online-updatable applications */
@@ -377,7 +397,7 @@ _download_finished_cb (GObject *object, GAsyncResult *res, gpointer user_data)
}
static void
-_button_download_clicked_cb (GtkButton *button, GsUpdatesSection *self)
+_button_download_clicked_cb (GsUpdatesSection *self)
{
g_autoptr(GCancellable) cancellable = g_cancellable_new ();
g_autoptr(GsPluginJob) plugin_job = NULL;
@@ -396,7 +416,7 @@ _button_download_clicked_cb (GtkButton *button, GsUpdatesSection *self)
}
static void
-_button_update_all_clicked_cb (GtkButton *button, GsUpdatesSection *self)
+_button_update_all_clicked_cb (GsUpdatesSection *self)
{
g_autoptr(GCancellable) cancellable = g_cancellable_new ();
g_autoptr(GsPluginJob) plugin_job = NULL;
@@ -425,110 +445,38 @@ _button_update_all_clicked_cb (GtkButton *button, GsUpdatesSection *self)
_update_buttons (self);
}
-static GtkWidget *
-_build_section_header (GsUpdatesSection *self)
+static void
+_setup_section_header (GsUpdatesSection *self)
{
- GtkStyleContext *context;
- GtkWidget *header;
- GtkWidget *label;
-
/* get labels and buttons for everything */
- if (self->kind == GS_UPDATES_SECTION_KIND_OFFLINE_FIRMWARE) {
+ switch (self->kind) {
+ case GS_UPDATES_SECTION_KIND_OFFLINE_FIRMWARE:
/* TRANSLATORS: This is the header for system firmware that
* requires a reboot to apply */
- label = gtk_label_new (_("Integrated Firmware"));
- } else if (self->kind == GS_UPDATES_SECTION_KIND_OFFLINE) {
+ gtk_label_set_label (GTK_LABEL (self->title), _("Integrated Firmware"));
+ break;
+ case GS_UPDATES_SECTION_KIND_OFFLINE:
/* TRANSLATORS: This is the header for offline OS and offline
* app updates that require a reboot to apply */
- label = gtk_label_new (_("Requires Restart"));
- } else if (self->kind == GS_UPDATES_SECTION_KIND_ONLINE) {
+ gtk_label_set_label (GTK_LABEL (self->title), _("Requires Restart"));
+ break;
+ case GS_UPDATES_SECTION_KIND_ONLINE:
/* TRANSLATORS: This is the header for online runtime and
* app updates, typically flatpaks or snaps */
- label = gtk_label_new (_("Application Updates"));
- } else if (self->kind == GS_UPDATES_SECTION_KIND_ONLINE_FIRMWARE) {
+ gtk_label_set_label (GTK_LABEL (self->title), _("Application Updates"));
+ break;
+ case GS_UPDATES_SECTION_KIND_ONLINE_FIRMWARE:
/* TRANSLATORS: This is the header for device firmware that can
* be installed online */
- label = gtk_label_new (_("Device Firmware"));
- } else {
+ gtk_label_set_label (GTK_LABEL (self->title), _("Device Firmware"));
+ break;
+ default:
g_assert_not_reached ();
}
-
- /* create header */
- header = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
- context = gtk_widget_get_style_context (header);
- gtk_style_context_add_class (context, "app-listbox-header");
-
- /* put label into the header */
- gtk_widget_set_hexpand (label, TRUE);
- gtk_container_add (GTK_CONTAINER (header), label);
- gtk_widget_set_visible (label, TRUE);
- gtk_widget_set_margin_start (label, 6);
- gtk_label_set_xalign (GTK_LABEL (label), 0.0);
- context = gtk_widget_get_style_context (label);
- gtk_style_context_add_class (context, "app-listbox-header-title");
-
- /* use a stack so we can switch which buttons are showing without the
- * sizegroup resizing */
- self->button_stack = GTK_STACK (gtk_stack_new ());
- gtk_container_add (GTK_CONTAINER (header), GTK_WIDGET (self->button_stack));
- gtk_container_child_set (GTK_CONTAINER (header), GTK_WIDGET (self->button_stack), "pack-type",
GTK_PACK_END, NULL);
-
- /* add download button */
- self->button_download = gs_progress_button_new ();
- gtk_button_set_use_underline (GTK_BUTTON (self->button_download), TRUE);
- gtk_button_set_label (GTK_BUTTON (self->button_download), _("_Download"));
- context = gtk_widget_get_style_context (self->button_download);
- gtk_style_context_add_class (context, GTK_STYLE_CLASS_SUGGESTED_ACTION);
- g_signal_connect (self->button_download, "clicked",
- G_CALLBACK (_button_download_clicked_cb),
- self);
- gtk_stack_add_named (self->button_stack, self->button_download, "download");
- gtk_widget_set_visible (self->button_download, TRUE);
-
- /* add update button */
- self->button_update = gs_progress_button_new ();
- context = gtk_widget_get_style_context (self->button_update);
- gtk_style_context_add_class (context, GTK_STYLE_CLASS_SUGGESTED_ACTION);
- g_signal_connect (self->button_update, "clicked",
- G_CALLBACK (_button_update_all_clicked_cb),
- self);
- gtk_stack_add_named (self->button_stack, self->button_update, "update");
- gtk_widget_set_visible (self->button_update, TRUE);
-
- /* add cancel button */
- self->button_cancel = gs_progress_button_new ();
- gtk_button_set_label (GTK_BUTTON (self->button_cancel), _("Cancel"));
- gs_progress_button_set_show_progress (GS_PROGRESS_BUTTON (self->button_cancel), TRUE);
- g_signal_connect (self->button_cancel, "clicked",
- G_CALLBACK (_button_cancel_clicked_cb),
- self);
- gtk_stack_add_named (self->button_stack, self->button_cancel, "cancel");
- gtk_widget_set_visible (self->button_cancel, TRUE);
-
- /* success */
- return header;
}
static void
-_list_header_func (GtkListBoxRow *row, GtkListBoxRow *before, gpointer user_data)
-{
- GsUpdatesSection *self = GS_UPDATES_SECTION (user_data);
- GtkWidget *header;
-
- /* section changed */
- if (before == NULL) {
- if (gtk_list_box_row_get_header (row) != self->section_header) {
- gtk_widget_unparent (self->section_header);
- }
- header = self->section_header;
- } else {
- header = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
- }
- gtk_list_box_row_set_header (row, header);
-}
-
-static void
-_app_row_activated_cb (GtkListBox *list_box, GtkListBoxRow *row, GsUpdatesSection *self)
+_app_row_activated_cb (GsUpdatesSection *self, GtkListBoxRow *row)
{
GsApp *app = gs_app_row_get_app (GS_APP_ROW (row));
GtkWidget *dialog;
@@ -555,6 +503,56 @@ gs_updates_section_show (GtkWidget *widget)
GTK_WIDGET_CLASS (gs_updates_section_parent_class)->show (widget);
}
+static void
+gs_updates_section_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
+{
+ GsUpdatesSection *self = GS_UPDATES_SECTION (container);
+
+ if (include_internals) {
+ GTK_CONTAINER_CLASS (gs_updates_section_parent_class)->forall (GTK_CONTAINER (self),
include_internals, callback, callback_data);
+
+ return;
+ }
+
+ if (self->listbox)
+ GTK_CONTAINER_GET_CLASS (self->listbox)->forall (GTK_CONTAINER (self->listbox),
include_internals, callback, callback_data);
+}
+
+static void
+gs_updates_section_add (GtkContainer *container, GtkWidget *child)
+{
+ GsUpdatesSection *self = GS_UPDATES_SECTION (container);
+
+ if (self->section_header == NULL ||
+ self->description == NULL ||
+ self->listbox_box == NULL) {
+ /* Add internal children, used when building the widget. */
+ GTK_CONTAINER_CLASS (gs_updates_section_parent_class)->add (container, child);
+ } else {
+ /* Add external children to the listbox. */
+ gtk_container_add (GTK_CONTAINER (self->listbox), child);
+ }
+}
+
+static void
+gs_updates_section_remove (GtkContainer *container, GtkWidget *child)
+{
+ GsUpdatesSection *self = GS_UPDATES_SECTION (container);
+
+ if (child == self->section_header ||
+ child == self->description ||
+ child == self->listbox_box) {
+ /* Remove internal children, used when destroying the widget. */
+ GTK_CONTAINER_CLASS (gs_updates_section_parent_class)->remove (container, child);
+ } else {
+ /* Remove external children from the listbox. */
+ gtk_container_remove (GTK_CONTAINER (self->listbox), child);
+ }
+}
+
static void
gs_updates_section_get_property (GObject *object,
guint prop_id,
@@ -610,7 +608,6 @@ gs_updates_section_dispose (GObject *object)
self->button_update = NULL;
self->button_cancel = NULL;
self->button_stack = NULL;
- g_clear_object (&self->section_header);
G_OBJECT_CLASS (gs_updates_section_parent_class)->dispose (object);
}
@@ -620,12 +617,17 @@ gs_updates_section_class_init (GsUpdatesSectionClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
object_class->get_property = gs_updates_section_get_property;
object_class->set_property = gs_updates_section_set_property;
object_class->dispose = gs_updates_section_dispose;
widget_class->show = gs_updates_section_show;
+ container_class->add = gs_updates_section_add;
+ container_class->remove = gs_updates_section_remove;
+ container_class->forall = gs_updates_section_forall;
+
/**
* GsUpdatesSection:is-narrow:
*
@@ -643,6 +645,23 @@ gs_updates_section_class_init (GsUpdatesSectionClass *klass)
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
g_object_class_install_properties (object_class, G_N_ELEMENTS (obj_props), obj_props);
+
+ gtk_widget_class_set_template_from_resource (widget_class,
"/org/gnome/Software/gs-updates-section.ui");
+
+ gtk_widget_class_bind_template_child (widget_class, GsUpdatesSection, button_cancel);
+ gtk_widget_class_bind_template_child (widget_class, GsUpdatesSection, button_download);
+ gtk_widget_class_bind_template_child (widget_class, GsUpdatesSection, button_stack);
+ gtk_widget_class_bind_template_child (widget_class, GsUpdatesSection, button_update);
+ gtk_widget_class_bind_template_child (widget_class, GsUpdatesSection, description);
+ gtk_widget_class_bind_template_child (widget_class, GsUpdatesSection, listbox);
+ gtk_widget_class_bind_template_child (widget_class, GsUpdatesSection, listbox_box);
+ gtk_widget_class_bind_template_child (widget_class, GsUpdatesSection, section_header);
+ gtk_widget_class_bind_template_child (widget_class, GsUpdatesSection, title);
+ gtk_widget_class_bind_template_callback (widget_class, _app_row_activated_cb);
+ gtk_widget_class_bind_template_callback (widget_class, _button_cancel_clicked_cb);
+ gtk_widget_class_bind_template_callback (widget_class, _button_download_clicked_cb);
+ gtk_widget_class_bind_template_callback (widget_class, _button_update_all_clicked_cb);
+ gtk_widget_class_bind_template_callback (widget_class, _listbox_keynav_failed_cb);
}
void
@@ -706,7 +725,7 @@ gs_updates_section_app_state_changed_cb (GsAppList *list,
static void
gs_updates_section_init (GsUpdatesSection *self)
{
- GtkStyleContext *context;
+ gtk_widget_init_template (GTK_WIDGET (self));
self->list = gs_app_list_new ();
gs_app_list_add_flag (self->list,
@@ -716,20 +735,11 @@ gs_updates_section_init (GsUpdatesSection *self)
g_signal_connect_object (self->list, "notify::progress",
G_CALLBACK (gs_updates_section_progress_notify_cb),
self, 0);
- gtk_list_box_set_selection_mode (GTK_LIST_BOX (self),
+ gtk_list_box_set_selection_mode (GTK_LIST_BOX (self->listbox),
GTK_SELECTION_NONE);
- gtk_list_box_set_sort_func (GTK_LIST_BOX (self),
+ gtk_list_box_set_sort_func (GTK_LIST_BOX (self->listbox),
_list_sort_func,
self, NULL);
- gtk_list_box_set_header_func (GTK_LIST_BOX (self),
- _list_header_func,
- self, NULL);
- g_signal_connect (self, "row-activated",
- G_CALLBACK (_app_row_activated_cb), self);
-
- /* make rounded edges */
- context = gtk_widget_get_style_context (GTK_WIDGET (self));
- gtk_style_context_add_class (context, "app-updates-section");
}
/**
@@ -783,7 +793,7 @@ gs_updates_section_new (GsUpdatesSectionKind kind,
self->kind = kind;
self->plugin_loader = g_object_ref (plugin_loader);
self->page = g_object_ref (page);
- self->section_header = g_object_ref_sink (_build_section_header (self));
+ _setup_section_header (self);
if (self->kind == GS_UPDATES_SECTION_KIND_ONLINE) {
g_signal_connect_object (self->list, "app-state-changed",
diff --git a/src/gs-updates-section.h b/src/gs-updates-section.h
index 683b49b20..7c6c382ff 100644
--- a/src/gs-updates-section.h
+++ b/src/gs-updates-section.h
@@ -19,7 +19,7 @@ G_BEGIN_DECLS
#define GS_TYPE_UPDATES_SECTION (gs_updates_section_get_type ())
-G_DECLARE_FINAL_TYPE (GsUpdatesSection, gs_updates_section, GS, UPDATES_SECTION, GtkListBox)
+G_DECLARE_FINAL_TYPE (GsUpdatesSection, gs_updates_section, GS, UPDATES_SECTION, GtkBox)
typedef enum {
GS_UPDATES_SECTION_KIND_OFFLINE_FIRMWARE,
diff --git a/src/gs-updates-section.ui b/src/gs-updates-section.ui
new file mode 100644
index 000000000..67e10b31d
--- /dev/null
+++ b/src/gs-updates-section.ui
@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface domain="libhandy">
+ <requires lib="gtk+" version="3.0"/>
+ <template class="GsUpdatesSection" parent="GtkBox">
+ <property name="orientation">vertical</property>
+ <style>
+ <class name="section"/>
+ </style>
+ <child>
+ <object class="GtkBox" id="section_header">
+ <property name="visible">True</property>
+ <child>
+ <object class="GtkLabel" id="title">
+ <property name="visible">True</property>
+ <property name="can_focus">False</property>
+ <property name="ellipsize">end</property>
+ <property name="halign">start</property>
+ <property name="xalign">0</property>
+ <property name="no-show-all">True</property>
+ <style>
+ <class name="heading"/>
+ </style>
+ <accessibility>
+ <relation target="listbox_box" type="label-for"/>
+ </accessibility>
+ </object>
+ </child>
+ <child>
+ <object class="GtkStack" id="button_stack">
+ <property name="visible">True</property>
+ <child>
+ <object class="GsProgressButton" id="button_download">
+ <property name="visible">True</property>
+ <property name="use_underline">True</property>
+ <property name="label" translatable="yes">_Download</property>
+ <signal name="clicked" handler="_button_download_clicked_cb" swapped="yes"/>
+ <style>
+ <class name="suggested-action"/>
+ </style>
+ </object>
+ <packing>
+ <property name="name">download</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GsProgressButton" id="button_update">
+ <property name="visible">True</property>
+ <signal name="clicked" handler="_button_update_all_clicked_cb" swapped="yes"/>
+ <style>
+ <class name="suggested-action"/>
+ </style>
+ </object>
+ <packing>
+ <property name="name">update</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GsProgressButton" id="button_cancel">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">Cancel</property>
+ <signal name="clicked" handler="_button_cancel_clicked_cb" swapped="yes"/>
+ <style>
+ <class name="suggested-action"/>
+ <class name="install-progress"/>
+ </style>
+ </object>
+ <packing>
+ <property name="name">cancel</property>
+ </packing>
+ </child>
+ </object>
+ <packing>
+ <property name="pack-type">end</property>
+ </packing>
+ </child>
+ </object>
+ </child>
+ <child>
+ <object class="GtkLabel" id="description">
+ <property name="can_focus">False</property>
+ <property name="halign">start</property>
+ <property name="wrap">True</property>
+ <property name="wrap-mode">word-char</property>
+ <property name="xalign">0</property>
+ <property name="no-show-all">True</property>
+ <style>
+ <class name="dim-label"/>
+ </style>
+ </object>
+ </child>
+ <child>
+ <object class="GtkBox" id="listbox_box">
+ <property name="orientation">vertical</property>
+ <property name="visible">True</property>
+ <accessibility>
+ <relation target="title" type="labelled-by"/>
+ </accessibility>
+ <child>
+ <object class="GtkListBox" id="listbox">
+ <property name="selection_mode">none</property>
+ <property name="visible">True</property>
+ <signal name="row-activated" handler="_app_row_activated_cb" swapped="yes"/>
+ <signal name="keynav-failed" handler="_listbox_keynav_failed_cb" swapped="yes"/>
+ <style>
+ <class name="content"/>
+ </style>
+ </object>
+ </child>
+ </object>
+ </child>
+ </template>
+</interface>
diff --git a/src/gtk-style.css b/src/gtk-style.css
index dc5fa28a0..b073f05ff 100644
--- a/src/gtk-style.css
+++ b/src/gtk-style.css
@@ -576,6 +576,15 @@ scrolledwindow.list-page > viewport > clamp.large .section {
margin-top: 18px;
}
+/* The following style is taken from libhandy's HdyPreferencesGroup style, which
+ * implements the style for titled and described sections with a list box.
+ * FIXME: Drop this style if we use the successor of HdyPreferencesGroup in
+ * Libadwaita when porting to GTK 4. */
+
+.section > label:not(:first-child) { margin-top: 6px; }
+
+.section > box:not(:first-child) { margin-top: 12px; }
+
/* The following style is taken from libhandy's HdyStatusPage style.
* FIXME: Drop this style if HdyStatusPage or its GTK 4 successor allows setting
* a spinner and the updates spinner page can be ported to it. */
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