From 6dd0414d0a16bc4674985613cef4a8f7ff315825 Mon Sep 17 00:00:00 2001
From: Přemysl Eric Janouch <p@janouch.name>
Date: Sun, 21 Nov 2021 00:21:52 +0100
Subject: Sort files and directories by name

---
 fastiv-browser.c | 29 +++++++++++++++++++----------
 fastiv-sidebar.c | 28 ++++++++++++++++++++++++++--
 2 files changed, 45 insertions(+), 12 deletions(-)

diff --git a/fastiv-browser.c b/fastiv-browser.c
index d30b4b7..984632e 100644
--- a/fastiv-browser.c
+++ b/fastiv-browser.c
@@ -649,21 +649,30 @@ fastiv_browser_load(FastivBrowser *self, const char *path)
 	g_array_set_size(self->entries, 0);
 	g_array_set_size(self->layouted_rows, 0);
 
-	// TODO(p): Use opendir(), in order to get file type directly.
-	GDir *dir = g_dir_open(path, 0, NULL);
-	if (!dir)
+	GFile *file = g_file_new_for_path(path);
+	GFileEnumerator *enumerator = g_file_enumerate_children(file,
+		G_FILE_ATTRIBUTE_STANDARD_NAME "," G_FILE_ATTRIBUTE_STANDARD_TYPE,
+		G_FILE_QUERY_INFO_NONE, NULL, NULL);
+	g_object_unref(file);
+	if (!enumerator)
 		return;
 
-	const char *filename;
-	while ((filename = g_dir_read_name(dir))) {
-		if (!strcmp(filename, ".") || !strcmp(filename, ".."))
+	while (TRUE) {
+		GFileInfo *info = NULL;
+		GFile *child = NULL;
+		if (!g_file_enumerator_iterate(enumerator, &info, &child, NULL, NULL) ||
+			!info)
+			break;
+		if (g_file_info_get_file_type(info) == G_FILE_TYPE_DIRECTORY)
 			continue;
 
-		gchar *subpath = g_build_filename(path, filename, NULL);
-		g_array_append_val(
-			self->entries, ((Entry) {.thumbnail = NULL, .filename = subpath}));
+		// TODO(p): Support being passed filter/sort functions.
+		g_file_info_get_name(info);
+
+		g_array_append_val(self->entries,
+			((Entry) {.thumbnail = NULL, .filename = g_file_get_path(child)}));
 	}
-	g_dir_close(dir);
+	g_object_unref(enumerator);
 
 	GThreadPool *pool = g_thread_pool_new(
 		entry_add_thumbnail, NULL, g_get_num_processors(), FALSE, NULL);
diff --git a/fastiv-sidebar.c b/fastiv-sidebar.c
index 5d78667..279139f 100644
--- a/fastiv-sidebar.c
+++ b/fastiv-sidebar.c
@@ -105,6 +105,27 @@ create_row(GFile *file, const char *icon_name)
 	return row;
 }
 
+static gint
+listbox_sort(
+	GtkListBoxRow *row1, GtkListBoxRow *row2, G_GNUC_UNUSED gpointer user_data)
+{
+	GFile *location1 =
+		g_object_get_qdata(G_OBJECT(row1), fastiv_sidebar_location_quark());
+	GFile *location2 =
+		g_object_get_qdata(G_OBJECT(row2), fastiv_sidebar_location_quark());
+	if (g_file_has_prefix(location1, location2))
+		return +1;
+	if (g_file_has_prefix(location2, location1))
+		return -1;
+
+	gchar *name1 = g_file_get_parse_name(location1);
+	gchar *name2 = g_file_get_parse_name(location2);
+	gint result = g_utf8_collate(name1, name2);
+	g_free(name1);
+	g_free(name2);
+	return result;
+}
+
 static void
 update_location(FastivSidebar *self, GFile *location)
 {
@@ -143,8 +164,8 @@ update_location(FastivSidebar *self, GFile *location)
 	if (!enumerator)
 		return;
 
-	// TODO(p): gtk_list_box_set_sort_func(), gtk_list_box_set_filter_func(),
-	// or even use a model.
+	// TODO(p): gtk_list_box_set_filter_func(), or even use a model,
+	// which could be shared with FastivBrowser.
 	while (TRUE) {
 		GFileInfo *info = NULL;
 		GFile *child = NULL;
@@ -377,6 +398,9 @@ fastiv_sidebar_init(FastivSidebar *self)
 	g_signal_connect(self->listbox, "row-activated",
 		G_CALLBACK(on_open_breadcrumb), self);
 
+	gtk_list_box_set_sort_func(
+		GTK_LIST_BOX(self->listbox), listbox_sort, self, NULL);
+
 	GtkWidget *superbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 	gtk_container_add(
 		GTK_CONTAINER(superbox), GTK_WIDGET(self->places));
-- 
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