Implement filtering by supported extensions

fastiv-browser.c

@@ -644,7 +644,8 @@ entry_add_thumbnail(gpointer data, G_GNUC_UNUSED gpointer user_data)
 }
 
 void
-fastiv_browser_load(FastivBrowser *self, const char *path)
+fastiv_browser_load(
+	FastivBrowser *self, FastivBrowserFilterCallback cb, const char *path)
 {
 	g_array_set_size(self->entries, 0);
 	g_array_set_size(self->layouted_rows, 0);
@@ -666,8 +667,9 @@ fastiv_browser_load(FastivBrowser *self, const char *path)
 		if (g_file_info_get_file_type(info) == G_FILE_TYPE_DIRECTORY)
 			continue;
 
-		// TODO(p): Support being passed filter/sort functions.
+		// TODO(p): Support being passed a sort function.
-		g_file_info_get_name(info);
+		if (cb && !cb(g_file_info_get_name(info)))
+			continue;
 
 		g_array_append_val(self->entries,
 			((Entry) {.thumbnail = NULL, .filename = g_file_get_path(child)}));

fastiv-browser.h

@@ -22,4 +22,7 @@
 #define FASTIV_TYPE_BROWSER (fastiv_browser_get_type())
 G_DECLARE_FINAL_TYPE(FastivBrowser, fastiv_browser, FASTIV, BROWSER, GtkWidget)
 
-void fastiv_browser_load(FastivBrowser *self, const char *path);
+typedef gboolean (*FastivBrowserFilterCallback) (const char *);
+
+void fastiv_browser_load(
+	FastivBrowser *self, FastivBrowserFilterCallback cb, const char *path);

fastiv-sidebar.c

@@ -22,6 +22,7 @@
 struct _FastivSidebar {
 	GtkScrolledWindow parent_instance;
 	GtkPlacesSidebar *places;
+	GtkWidget *toolbar;
 	GtkWidget *listbox;
 	GFile *location;
 };
@@ -358,56 +359,29 @@ fastiv_sidebar_init(FastivSidebar *self)
 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(self->places),
 		GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 
-	// Fill up what would otherwise be wasted space,
-	// as it is in the examples of Nautilus and Thunar.
-	GtkWidget *plus = gtk_button_new_from_icon_name("zoom-in-symbolic",
-		GTK_ICON_SIZE_BUTTON);
-	gtk_widget_set_tooltip_text(plus, "Larger thumbnails");
-	GtkWidget *minus = gtk_button_new_from_icon_name("zoom-out-symbolic",
-		GTK_ICON_SIZE_BUTTON);
-	gtk_widget_set_tooltip_text(minus, "Smaller thumbnails");
-
-	GtkWidget *zoom_group = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
-	gtk_style_context_add_class(
-		gtk_widget_get_style_context(zoom_group), GTK_STYLE_CLASS_LINKED);
-	gtk_box_pack_start(GTK_BOX(zoom_group), plus, FALSE, FALSE, 0);
-	gtk_box_pack_start(GTK_BOX(zoom_group), minus, FALSE, FALSE, 0);
-
-	GtkWidget *funnel = gtk_toggle_button_new();
-	gtk_container_add(GTK_CONTAINER(funnel),
-		gtk_image_new_from_icon_name("funnel-symbolic", GTK_ICON_SIZE_BUTTON));
-	gtk_widget_set_tooltip_text(funnel, "Hide unsupported files");
-
 	// None of GtkActionBar, GtkToolbar, .inline-toolbar is appropriate.
-	// It is either borders or padding.
+	// It is either side-favouring borders or excess button padding.
-	GtkWidget *buttons = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 12);
+	self->toolbar = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 12);
 	gtk_style_context_add_class(
-		gtk_widget_get_style_context(buttons), GTK_STYLE_CLASS_TOOLBAR);
+		gtk_widget_get_style_context(self->toolbar), GTK_STYLE_CLASS_TOOLBAR);
-	gtk_box_pack_start(GTK_BOX(buttons), zoom_group, FALSE, FALSE, 0);
-	gtk_box_pack_start(GTK_BOX(buttons), funnel, FALSE, FALSE, 0);
-	gtk_widget_set_halign(buttons, GTK_ALIGN_CENTER);
-
-	// TODO(p): Implement. Probably fill `buttons` in externally.
-	gtk_widget_set_sensitive(plus, FALSE);
-	gtk_widget_set_sensitive(minus, FALSE);
-	gtk_widget_set_sensitive(funnel, FALSE);
 
 	self->listbox = gtk_list_box_new();
 	gtk_list_box_set_selection_mode(
 		GTK_LIST_BOX(self->listbox), GTK_SELECTION_NONE);
 	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);
 
+	// Fill up what would otherwise be wasted space,
+	// as it is in the examples of Nautilus and Thunar.
 	GtkWidget *superbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 	gtk_container_add(
 		GTK_CONTAINER(superbox), GTK_WIDGET(self->places));
 	gtk_container_add(
 		GTK_CONTAINER(superbox), gtk_separator_new(GTK_ORIENTATION_VERTICAL));
 	gtk_container_add(
-		GTK_CONTAINER(superbox), buttons);
+		GTK_CONTAINER(superbox), self->toolbar);
 	gtk_container_add(
 		GTK_CONTAINER(superbox), gtk_separator_new(GTK_ORIENTATION_VERTICAL));
 	gtk_container_add(
@@ -437,3 +411,10 @@ fastiv_sidebar_show_enter_location(FastivSidebar *self)
 	g_return_if_fail(FASTIV_IS_SIDEBAR(self));
 	g_signal_emit_by_name(self->places, "show-enter-location");
 }
+
+GtkBox *
+fastiv_sidebar_get_toolbar(FastivSidebar *self)
+{
+	g_return_val_if_fail(FASTIV_IS_SIDEBAR(self), NULL);
+	return GTK_BOX(self->toolbar);
+}

fastiv-sidebar.h

@@ -25,3 +25,4 @@ G_DECLARE_FINAL_TYPE(
 
 void fastiv_sidebar_set_location(FastivSidebar *self, GFile *location);
 void fastiv_sidebar_show_enter_location(FastivSidebar *self);
+GtkBox *fastiv_sidebar_get_toolbar(FastivSidebar *self);

fastiv.c

@@ -55,6 +55,7 @@ exit_fatal(const gchar *format, ...)
 
 struct {
 	gchar **supported_globs;
+	gboolean filtering;
 
 	gchar *directory;
 	GPtrArray *files;
@@ -118,7 +119,8 @@ load_directory(const gchar *dirname)
 	GFile *file = g_file_new_for_path(g.directory);
 	fastiv_sidebar_set_location(FASTIV_SIDEBAR(g.browser_sidebar), file);
 	g_object_unref(file);
-	fastiv_browser_load(FASTIV_BROWSER(g.browser), g.directory);
+	fastiv_browser_load(FASTIV_BROWSER(g.browser),
+		g.filtering ? is_supported : NULL, g.directory);
 
 	GError *error = NULL;
 	GDir *dir = g_dir_open(g.directory, 0, &error);
@@ -152,6 +154,14 @@ load_directory(const gchar *dirname)
 	}
 }
 
+static void
+on_filtering_toggled(GtkToggleButton *button, G_GNUC_UNUSED gpointer user_data)
+{
+	g.filtering = gtk_toggle_button_get_active(button);
+	if (g.directory)
+		load_directory(NULL);
+}
+
 static void
 open(const gchar *path)
 {
@@ -549,6 +559,34 @@ main(int argc, char *argv[])
 	g_signal_connect(g.browser_sidebar, "open-location",
 		G_CALLBACK(on_open_location), NULL);
 
+	GtkWidget *plus = gtk_button_new_from_icon_name("zoom-in-symbolic",
+		GTK_ICON_SIZE_BUTTON);
+	gtk_widget_set_tooltip_text(plus, "Larger thumbnails");
+	GtkWidget *minus = gtk_button_new_from_icon_name("zoom-out-symbolic",
+		GTK_ICON_SIZE_BUTTON);
+	gtk_widget_set_tooltip_text(minus, "Smaller thumbnails");
+
+	GtkWidget *zoom_group = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
+	gtk_style_context_add_class(
+		gtk_widget_get_style_context(zoom_group), GTK_STYLE_CLASS_LINKED);
+	gtk_box_pack_start(GTK_BOX(zoom_group), plus, FALSE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(zoom_group), minus, FALSE, FALSE, 0);
+
+	GtkWidget *funnel = gtk_toggle_button_new();
+	gtk_container_add(GTK_CONTAINER(funnel),
+		gtk_image_new_from_icon_name("funnel-symbolic", GTK_ICON_SIZE_BUTTON));
+	gtk_widget_set_tooltip_text(funnel, "Hide unsupported files");
+
+	// TODO(p): Implement these as well.
+	gtk_widget_set_sensitive(plus, FALSE);
+	gtk_widget_set_sensitive(minus, FALSE);
+
+	GtkBox *toolbar =
+		fastiv_sidebar_get_toolbar(FASTIV_SIDEBAR(g.browser_sidebar));
+	gtk_box_pack_start(toolbar, zoom_group, FALSE, FALSE, 0);
+	gtk_box_pack_start(toolbar, funnel, FALSE, FALSE, 0);
+	gtk_widget_set_halign(GTK_WIDGET(toolbar), GTK_ALIGN_CENTER);
+
 	g.browser_paned = gtk_paned_new(GTK_ORIENTATION_HORIZONTAL);
 	gtk_paned_add1(GTK_PANED(g.browser_paned), g.browser_sidebar);
 	gtk_paned_add2(GTK_PANED(g.browser_paned), g.browser_scroller);
@@ -573,6 +611,9 @@ main(int argc, char *argv[])
 	g.supported_globs = extract_mime_globs((const char **) types);
 	g_strfreev(types);
 
+	g_signal_connect(funnel, "toggled", G_CALLBACK(on_filtering_toggled), NULL);
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(funnel), TRUE);
+
 	g.files = g_ptr_array_new_full(16, g_free);
 	g.directory = g_get_current_dir();
 	if (!path_arg || !open_any_path(path_arg))