Adding upstream version 43.2.upstream/43.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 844 insertions, 0 deletions

diff --git a/src/nautilus-query-editor.c b/src/nautilus-query-editor.c
new file mode 100644
index 0000000..a7fe84f
--- /dev/null
+++ b/src/nautilus-query-editor.c
@@ -0,0 +1,844 @@
+/*
+ * Copyright (C) 2005 Red Hat, Inc.
+ *
+ * Nautilus is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * Nautilus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; see the file COPYING.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Alexander Larsson <alexl@redhat.com>
+ *         Georges Basile Stavracas Neto <gbsneto@gnome.org>
+ *
+ */
+
+#include "nautilus-query-editor.h"
+
+#include <gdk/gdkkeysyms.h>
+#include <gio/gio.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <string.h>
+
+#include "nautilus-file.h"
+#include "nautilus-file-utilities.h"
+#include "nautilus-global-preferences.h"
+#include "nautilus-search-directory.h"
+#include "nautilus-search-popover.h"
+#include "nautilus-mime-actions.h"
+#include "nautilus-ui-utilities.h"
+
+struct _NautilusQueryEditor
+{
+    GtkWidget parent_instance;
+
+    GtkWidget *tags_box;
+    GtkWidget *text;
+    GtkWidget *clear_icon;
+    GtkWidget *popover;
+    GtkWidget *dropdown_button;
+
+    GtkWidget *mime_types_tag;
+    GtkWidget *date_range_tag;
+
+    guint search_changed_timeout_id;
+    gboolean change_frozen;
+
+    GFile *location;
+
+    NautilusQuery *query;
+};
+
+enum
+{
+    ACTIVATED,
+    FOCUS_VIEW,
+    CHANGED,
+    CANCEL,
+    LAST_SIGNAL
+};
+
+enum
+{
+    PROP_0,
+    PROP_LOCATION,
+    PROP_QUERY,
+    LAST_PROP
+};
+
+static guint signals[LAST_SIGNAL];
+
+static void entry_activate_cb (GtkWidget           *entry,
+                               NautilusQueryEditor *editor);
+static void entry_changed_cb (GtkWidget           *entry,
+                              NautilusQueryEditor *editor);
+static void nautilus_query_editor_changed (NautilusQueryEditor *editor);
+
+G_DEFINE_TYPE (NautilusQueryEditor, nautilus_query_editor, GTK_TYPE_WIDGET);
+
+/* A hunt-and-peck typist types at 25-35 words per minute, which means 342 to 480ms between strokes.
+ * An average touch typist types at 50-70 wpm, which means 171 to 240ms "under ideal conditions".
+ * A 150ms default search triggering delay is too short even for fast typists in general,
+ * so wait 400ms after typing, to improve performance by not spamming search engines: */
+#define SEARCH_CHANGED_TIMEOUT 400
+
+static void
+update_fts_sensitivity (NautilusQueryEditor *editor)
+{
+    gboolean fts_sensitive = TRUE;
+
+    if (editor->location)
+    {
+        g_autoptr (NautilusFile) file = NULL;
+        g_autofree gchar *uri = NULL;
+
+        file = nautilus_file_get (editor->location);
+        uri = g_file_get_uri (editor->location);
+
+        fts_sensitive = !nautilus_file_is_other_locations (file) &&
+                        !g_str_has_prefix (uri, "network://") &&
+                        !(nautilus_file_is_remote (file) &&
+                          location_settings_search_get_recursive_for_location (editor->location) == NAUTILUS_QUERY_RECURSIVE_NEVER);
+        nautilus_search_popover_set_fts_sensitive (NAUTILUS_SEARCH_POPOVER (editor->popover),
+                                                   fts_sensitive);
+    }
+}
+
+static void
+recursive_search_preferences_changed (GSettings           *settings,
+                                      gchar               *key,
+                                      NautilusQueryEditor *editor)
+{
+    NautilusQueryRecursive recursive;
+
+    if (!editor->query)
+    {
+        return;
+    }
+
+    recursive = location_settings_search_get_recursive ();
+    if (recursive != nautilus_query_get_recursive (editor->query))
+    {
+        nautilus_query_set_recursive (editor->query, recursive);
+        nautilus_query_editor_changed (editor);
+    }
+
+    update_fts_sensitivity (editor);
+}
+
+
+static void
+nautilus_query_editor_dispose (GObject *object)
+{
+    NautilusQueryEditor *editor;
+
+    editor = NAUTILUS_QUERY_EDITOR (object);
+
+    g_clear_handle_id (&editor->search_changed_timeout_id, g_source_remove);
+
+    gtk_widget_unparent (gtk_widget_get_first_child (GTK_WIDGET (editor)));
+    g_clear_pointer (&editor->tags_box, gtk_widget_unparent);
+    g_clear_pointer (&editor->text, gtk_widget_unparent);
+    g_clear_pointer (&editor->dropdown_button, gtk_widget_unparent);
+    g_clear_pointer (&editor->clear_icon, gtk_widget_unparent);
+
+    g_clear_object (&editor->location);
+    g_clear_object (&editor->query);
+
+    g_signal_handlers_disconnect_by_func (nautilus_preferences,
+                                          recursive_search_preferences_changed,
+                                          object);
+
+    G_OBJECT_CLASS (nautilus_query_editor_parent_class)->dispose (object);
+}
+
+static gboolean
+nautilus_query_editor_grab_focus (GtkWidget *widget)
+{
+    NautilusQueryEditor *editor;
+
+    editor = NAUTILUS_QUERY_EDITOR (widget);
+
+    if (gtk_widget_get_visible (widget) && !gtk_widget_is_focus (editor->text))
+    {
+        return gtk_text_grab_focus_without_selecting (GTK_TEXT (editor->text));
+    }
+
+    return FALSE;
+}
+
+static void
+nautilus_query_editor_get_property (GObject    *object,
+                                    guint       prop_id,
+                                    GValue     *value,
+                                    GParamSpec *pspec)
+{
+    NautilusQueryEditor *editor;
+
+    editor = NAUTILUS_QUERY_EDITOR (object);
+
+    switch (prop_id)
+    {
+        case PROP_LOCATION:
+        {
+            g_value_set_object (value, editor->location);
+        }
+        break;
+
+        case PROP_QUERY:
+        {
+            g_value_set_object (value, editor->query);
+        }
+        break;
+
+        default:
+        {
+            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        }
+    }
+}
+
+static void
+nautilus_query_editor_set_property (GObject      *object,
+                                    guint         prop_id,
+                                    const GValue *value,
+                                    GParamSpec   *pspec)
+{
+    NautilusQueryEditor *self;
+
+    self = NAUTILUS_QUERY_EDITOR (object);
+
+    switch (prop_id)
+    {
+        case PROP_LOCATION:
+        {
+            nautilus_query_editor_set_location (self, g_value_get_object (value));
+        }
+        break;
+
+        case PROP_QUERY:
+        {
+            nautilus_query_editor_set_query (self, g_value_get_object (value));
+        }
+        break;
+
+        default:
+        {
+            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        }
+    }
+}
+
+static void
+nautilus_query_editor_finalize (GObject *object)
+{
+    G_OBJECT_CLASS (nautilus_query_editor_parent_class)->finalize (object);
+}
+
+static void
+nautilus_query_editor_class_init (NautilusQueryEditorClass *class)
+{
+    GObjectClass *gobject_class;
+    GtkWidgetClass *widget_class;
+    g_autoptr (GtkShortcut) shortcut = NULL;
+
+    gobject_class = G_OBJECT_CLASS (class);
+    gobject_class->finalize = nautilus_query_editor_finalize;
+    gobject_class->dispose = nautilus_query_editor_dispose;
+    gobject_class->get_property = nautilus_query_editor_get_property;
+    gobject_class->set_property = nautilus_query_editor_set_property;
+
+    widget_class = GTK_WIDGET_CLASS (class);
+    widget_class->grab_focus = nautilus_query_editor_grab_focus;
+
+    signals[CHANGED] =
+        g_signal_new ("changed",
+                      G_TYPE_FROM_CLASS (class),
+                      G_SIGNAL_RUN_LAST,
+                      0,
+                      NULL, NULL,
+                      g_cclosure_marshal_generic,
+                      G_TYPE_NONE, 2, NAUTILUS_TYPE_QUERY, G_TYPE_BOOLEAN);
+
+    signals[CANCEL] =
+        g_signal_new ("cancel",
+                      G_TYPE_FROM_CLASS (class),
+                      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                      0,
+                      NULL, NULL,
+                      g_cclosure_marshal_VOID__VOID,
+                      G_TYPE_NONE, 0);
+
+    signals[ACTIVATED] =
+        g_signal_new ("activated",
+                      G_TYPE_FROM_CLASS (class),
+                      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                      0,
+                      NULL, NULL,
+                      g_cclosure_marshal_VOID__VOID,
+                      G_TYPE_NONE, 0);
+
+    signals[FOCUS_VIEW] =
+        g_signal_new ("focus-view",
+                      G_TYPE_FROM_CLASS (class),
+                      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                      0,
+                      NULL, NULL,
+                      g_cclosure_marshal_VOID__VOID,
+                      G_TYPE_NONE, 0);
+
+    shortcut = gtk_shortcut_new (gtk_keyval_trigger_new (GDK_KEY_Down, 0),
+                                 gtk_signal_action_new ("focus-view"));
+    gtk_widget_class_add_shortcut (widget_class, shortcut);
+
+    gtk_widget_class_add_binding_signal (widget_class,
+                                         GDK_KEY_Escape, 0, "cancel",
+                                         NULL);
+
+    /**
+     * NautilusQueryEditor::location:
+     *
+     * The current location of the query editor.
+     */
+    g_object_class_install_property (gobject_class,
+                                     PROP_LOCATION,
+                                     g_param_spec_object ("location",
+                                                          "Location of the search",
+                                                          "The current location of the editor",
+                                                          G_TYPE_FILE,
+                                                          G_PARAM_READWRITE));
+
+    /**
+     * NautilusQueryEditor::query:
+     *
+     * The current query of the query editor. It it always synchronized
+     * with the filter popover's query.
+     */
+    g_object_class_install_property (gobject_class,
+                                     PROP_QUERY,
+                                     g_param_spec_object ("query",
+                                                          "Query of the search",
+                                                          "The query that the editor is handling",
+                                                          NAUTILUS_TYPE_QUERY,
+                                                          G_PARAM_READWRITE));
+
+    gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BOX_LAYOUT);
+    gtk_widget_class_set_css_name (widget_class, "entry");
+    gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_SEARCH_BOX);
+}
+
+GFile *
+nautilus_query_editor_get_location (NautilusQueryEditor *editor)
+{
+    g_return_val_if_fail (NAUTILUS_IS_QUERY_EDITOR (editor), NULL);
+
+    return g_object_ref (editor->location);
+}
+
+static void
+create_query (NautilusQueryEditor *editor)
+{
+    NautilusQuery *query;
+    g_autoptr (NautilusFile) file = NULL;
+    gboolean fts_enabled;
+
+    g_return_if_fail (editor->query == NULL);
+
+    fts_enabled = nautilus_search_popover_get_fts_enabled (NAUTILUS_SEARCH_POPOVER (editor->popover));
+
+    if (editor->location == NULL)
+    {
+        return;
+    }
+
+    file = nautilus_file_get (editor->location);
+    query = nautilus_query_new ();
+
+    nautilus_query_set_search_content (query, fts_enabled);
+
+    nautilus_query_set_text (query, gtk_editable_get_text (GTK_EDITABLE (editor->text)));
+    nautilus_query_set_location (query, editor->location);
+
+    /* We only set the query using the global setting for recursivity here,
+     * it's up to the search engine to check weather it can proceed with
+     * deep search in the current directory or not. */
+    nautilus_query_set_recursive (query, location_settings_search_get_recursive ());
+
+    nautilus_query_editor_set_query (editor, query);
+}
+
+static void
+entry_activate_cb (GtkWidget           *entry,
+                   NautilusQueryEditor *editor)
+{
+    g_signal_emit (editor, signals[ACTIVATED], 0);
+}
+
+static gboolean
+entry_changed_internal (NautilusQueryEditor *editor)
+{
+    const gchar *text = gtk_editable_get_text (GTK_EDITABLE (editor->text));
+    gboolean is_empty = (text == NULL && *text == '\0');
+
+    editor->search_changed_timeout_id = 0;
+
+    gtk_widget_set_child_visible (editor->clear_icon, !is_empty);
+
+    if (editor->query == NULL)
+    {
+        create_query (editor);
+    }
+    else
+    {
+        g_autofree gchar *stripped_text = g_strstrip (g_strdup (text));
+        nautilus_query_set_text (editor->query, stripped_text);
+    }
+
+    nautilus_query_editor_changed (editor);
+
+    return G_SOURCE_REMOVE;
+}
+
+static void
+entry_changed_cb (GtkWidget           *entry,
+                  NautilusQueryEditor *editor)
+{
+    if (editor->change_frozen)
+    {
+        return;
+    }
+
+    g_clear_handle_id (&editor->search_changed_timeout_id, g_source_remove);
+    editor->search_changed_timeout_id = g_timeout_add (SEARCH_CHANGED_TIMEOUT,
+                                                       G_SOURCE_FUNC (entry_changed_internal),
+                                                       editor);
+}
+
+static GtkWidget *
+create_tag (NautilusQueryEditor *self,
+            const gchar         *text,
+            GCallback            reset_callback)
+{
+    GtkWidget *tag;
+    GtkWidget *label;
+    GtkWidget *button;
+
+    tag = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+    gtk_widget_set_margin_end (tag, 6);
+    gtk_widget_set_name (tag, "NautilusQueryEditorTag");
+
+    label = gtk_label_new (text);
+    gtk_widget_add_css_class (label, "caption-heading");
+    gtk_widget_set_margin_start (label, 12);
+    gtk_box_append (GTK_BOX (tag), label);
+
+    button = gtk_button_new ();
+    gtk_button_set_icon_name (GTK_BUTTON (button), "window-close-symbolic");
+    gtk_widget_add_css_class (button, "flat");
+    gtk_widget_add_css_class (button, "circular");
+    g_signal_connect_object (button, "clicked",
+                             reset_callback, self->popover, G_CONNECT_SWAPPED);
+    gtk_box_append (GTK_BOX (tag), button);
+
+    return tag;
+}
+
+static void
+search_popover_date_range_changed_cb (NautilusSearchPopover *popover,
+                                      GPtrArray             *date_range,
+                                      gpointer               user_data)
+{
+    NautilusQueryEditor *editor;
+
+    editor = NAUTILUS_QUERY_EDITOR (user_data);
+
+    if (editor->query == NULL)
+    {
+        create_query (editor);
+    }
+
+    if (editor->date_range_tag != NULL)
+    {
+        gtk_box_remove (GTK_BOX (editor->tags_box), editor->date_range_tag);
+        editor->date_range_tag = NULL;
+    }
+
+    if (date_range)
+    {
+        g_autofree gchar *text_for_date_range = NULL;
+
+        text_for_date_range = get_text_for_date_range (date_range, TRUE);
+        editor->date_range_tag = create_tag (editor,
+                                             text_for_date_range,
+                                             G_CALLBACK (nautilus_search_popover_reset_date_range));
+        gtk_box_append (GTK_BOX (editor->tags_box), editor->date_range_tag);
+    }
+
+    nautilus_query_set_date_range (editor->query, date_range);
+
+    nautilus_query_editor_changed (editor);
+    gtk_widget_set_visible (editor->tags_box,
+                            (gtk_widget_get_first_child (editor->tags_box) != NULL));
+}
+
+static void
+search_popover_mime_type_changed_cb (NautilusSearchPopover *popover,
+                                     gint                   mimetype_group,
+                                     const gchar           *mimetype,
+                                     gpointer               user_data)
+{
+    NautilusQueryEditor *editor;
+    g_autoptr (GPtrArray) mimetypes = NULL;
+
+    editor = NAUTILUS_QUERY_EDITOR (user_data);
+
+    if (editor->query == NULL)
+    {
+        create_query (editor);
+    }
+
+    if (editor->mime_types_tag != NULL)
+    {
+        gtk_box_remove (GTK_BOX (editor->tags_box), editor->mime_types_tag);
+        editor->mime_types_tag = NULL;
+    }
+
+    /* group 0 is anything */
+    if (mimetype_group == 0)
+    {
+        mimetypes = nautilus_mime_types_group_get_mimetypes (mimetype_group);
+    }
+    else if (mimetype_group > 0)
+    {
+        mimetypes = nautilus_mime_types_group_get_mimetypes (mimetype_group);
+        editor->mime_types_tag = create_tag (editor,
+                                             nautilus_mime_types_group_get_name (mimetype_group),
+                                             G_CALLBACK (nautilus_search_popover_reset_mime_types));
+        gtk_box_append (GTK_BOX (editor->tags_box), editor->mime_types_tag);
+    }
+    else
+    {
+        g_autofree gchar *display_name = NULL;
+
+        mimetypes = g_ptr_array_new_full (1, g_free);
+        g_ptr_array_add (mimetypes, g_strdup (mimetype));
+
+        display_name = g_content_type_get_description (mimetype);
+        editor->mime_types_tag = create_tag (editor,
+                                             display_name,
+                                             G_CALLBACK (nautilus_search_popover_reset_mime_types));
+        gtk_box_append (GTK_BOX (editor->tags_box), editor->mime_types_tag);
+    }
+    nautilus_query_set_mime_types (editor->query, mimetypes);
+
+    nautilus_query_editor_changed (editor);
+    gtk_widget_set_visible (editor->tags_box,
+                            (gtk_widget_get_first_child (editor->tags_box) != NULL));
+}
+
+static void
+search_popover_time_type_changed_cb (NautilusSearchPopover   *popover,
+                                     NautilusQuerySearchType  data,
+                                     gpointer                 user_data)
+{
+    NautilusQueryEditor *editor;
+
+    editor = NAUTILUS_QUERY_EDITOR (user_data);
+
+    if (editor->query == NULL)
+    {
+        create_query (editor);
+    }
+
+    nautilus_query_set_search_type (editor->query, data);
+
+    nautilus_query_editor_changed (editor);
+}
+
+static void
+search_popover_fts_changed_cb (GObject    *popover,
+                               GParamSpec *pspec,
+                               gpointer    user_data)
+{
+    NautilusQueryEditor *editor;
+
+    editor = NAUTILUS_QUERY_EDITOR (user_data);
+
+    if (editor->query == NULL)
+    {
+        create_query (editor);
+    }
+
+    nautilus_query_set_search_content (editor->query,
+                                       nautilus_search_popover_get_fts_enabled (NAUTILUS_SEARCH_POPOVER (popover)));
+
+    nautilus_query_editor_changed (editor);
+}
+
+static void
+on_clear_icon_pressed (GtkGestureClick     *gesture,
+                       int                  n_press,
+                       double               x,
+                       double               y,
+                       NautilusQueryEditor *self)
+{
+    gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED);
+}
+
+static void
+on_clear_icon_released (GtkGestureClick     *gesture,
+                        int                  n_press,
+                        double               x,
+                        double               y,
+                        NautilusQueryEditor *self)
+{
+    gtk_editable_set_text (GTK_EDITABLE (self->text), "");
+}
+
+static void
+nautilus_query_editor_init (NautilusQueryEditor *editor)
+{
+    gboolean rtl = (gtk_widget_get_direction (GTK_WIDGET (editor)) == GTK_TEXT_DIR_RTL);
+    GtkWidget *image;
+    GtkEventController *controller;
+
+    gtk_widget_set_name (GTK_WIDGET (editor), "NautilusQueryEditor");
+    gtk_widget_add_css_class (GTK_WIDGET (editor), "search");
+
+    g_signal_connect (nautilus_preferences,
+                      "changed::recursive-search",
+                      G_CALLBACK (recursive_search_preferences_changed),
+                      editor);
+
+    /* create the search entry */
+    image = gtk_image_new_from_icon_name ("system-search-symbolic");
+    g_object_set (image, "accessible-role", GTK_ACCESSIBLE_ROLE_PRESENTATION, NULL);
+    gtk_widget_set_margin_start (image, 4);
+    gtk_widget_set_margin_end (image, 6);
+    gtk_widget_set_parent (image, GTK_WIDGET (editor));
+
+    editor->tags_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+    gtk_widget_hide (editor->tags_box);
+    gtk_widget_set_parent (editor->tags_box, GTK_WIDGET (editor));
+
+    editor->text = gtk_text_new ();
+    gtk_widget_set_hexpand (editor->text, TRUE);
+    gtk_widget_set_parent (editor->text, GTK_WIDGET (editor));
+
+    editor->clear_icon = gtk_image_new_from_icon_name (rtl ? "edit-clear-rtl-symbolic" :
+                                                             "edit-clear-symbolic");
+    g_object_set (editor->clear_icon, "accessible-role", GTK_ACCESSIBLE_ROLE_PRESENTATION, NULL);
+    gtk_widget_set_tooltip_text (editor->clear_icon, _("Clear entry"));
+    gtk_widget_set_child_visible (editor->clear_icon, FALSE);
+    gtk_widget_set_parent (editor->clear_icon, GTK_WIDGET (editor));
+
+    controller = GTK_EVENT_CONTROLLER (gtk_gesture_click_new ());
+    g_signal_connect (controller, "pressed", G_CALLBACK (on_clear_icon_pressed), editor);
+    g_signal_connect (controller, "released", G_CALLBACK (on_clear_icon_released), editor);
+    gtk_widget_add_controller (editor->clear_icon, controller);
+
+    /* setup the search popover */
+    editor->popover = nautilus_search_popover_new ();
+
+    g_signal_connect (editor->popover, "show",
+                      G_CALLBACK (gtk_widget_grab_focus), NULL);
+    g_signal_connect_swapped (editor->popover, "closed",
+                              G_CALLBACK (gtk_widget_grab_focus), editor);
+
+    g_object_bind_property (editor, "query",
+                            editor->popover, "query",
+                            G_BINDING_DEFAULT);
+
+    /* setup the filter menu button */
+    editor->dropdown_button = gtk_menu_button_new ();
+    gtk_menu_button_set_icon_name (GTK_MENU_BUTTON (editor->dropdown_button), "funnel-symbolic");
+    gtk_menu_button_set_popover (GTK_MENU_BUTTON (editor->dropdown_button), editor->popover);
+    gtk_widget_set_parent (editor->dropdown_button, GTK_WIDGET (editor));
+    gtk_widget_add_css_class (editor->dropdown_button, "circular");
+
+    g_signal_connect (editor->text, "activate",
+                      G_CALLBACK (entry_activate_cb), editor);
+    g_signal_connect (editor->text, "changed",
+                      G_CALLBACK (entry_changed_cb), editor);
+    g_signal_connect (editor->popover, "date-range",
+                      G_CALLBACK (search_popover_date_range_changed_cb), editor);
+    g_signal_connect (editor->popover, "mime-type",
+                      G_CALLBACK (search_popover_mime_type_changed_cb), editor);
+    g_signal_connect (editor->popover, "time-type",
+                      G_CALLBACK (search_popover_time_type_changed_cb), editor);
+    g_signal_connect (editor->popover, "notify::fts-enabled",
+                      G_CALLBACK (search_popover_fts_changed_cb), editor);
+}
+
+static void
+nautilus_query_editor_changed (NautilusQueryEditor *editor)
+{
+    if (editor->change_frozen)
+    {
+        return;
+    }
+
+    g_signal_emit (editor, signals[CHANGED], 0, editor->query, TRUE);
+}
+
+NautilusQuery *
+nautilus_query_editor_get_query (NautilusQueryEditor *editor)
+{
+    g_return_val_if_fail (NAUTILUS_IS_QUERY_EDITOR (editor), NULL);
+
+    if (editor->text == NULL)
+    {
+        return NULL;
+    }
+
+    return editor->query;
+}
+
+GtkWidget *
+nautilus_query_editor_new (void)
+{
+    return GTK_WIDGET (g_object_new (NAUTILUS_TYPE_QUERY_EDITOR, NULL));
+}
+
+void
+nautilus_query_editor_set_location (NautilusQueryEditor *editor,
+                                    GFile               *location)
+{
+    g_autoptr (NautilusDirectory) directory = NULL;
+    NautilusDirectory *base_model;
+    gboolean should_notify;
+
+    g_return_if_fail (NAUTILUS_IS_QUERY_EDITOR (editor));
+
+    /* The client could set us a location that is actually a search directory,
+     * like what happens with the slot when updating the query editor location.
+     * However here we want the real location used as a model for the search,
+     * not the search directory invented uri. */
+    directory = nautilus_directory_get (location);
+    if (NAUTILUS_IS_SEARCH_DIRECTORY (directory))
+    {
+        g_autoptr (GFile) real_location = NULL;
+
+        base_model = nautilus_search_directory_get_base_model (NAUTILUS_SEARCH_DIRECTORY (directory));
+        real_location = nautilus_directory_get_location (base_model);
+
+        should_notify = g_set_object (&editor->location, real_location);
+    }
+    else
+    {
+        should_notify = g_set_object (&editor->location, location);
+    }
+
+    if (editor->query == NULL)
+    {
+        create_query (editor);
+    }
+    nautilus_query_set_location (editor->query, editor->location);
+
+    update_fts_sensitivity (editor);
+
+    if (should_notify)
+    {
+        g_object_notify (G_OBJECT (editor), "location");
+    }
+}
+
+void
+nautilus_query_editor_set_query (NautilusQueryEditor *self,
+                                 NautilusQuery       *query)
+{
+    g_autofree char *text = NULL;
+    g_autofree char *current_text = NULL;
+
+    g_return_if_fail (NAUTILUS_IS_QUERY_EDITOR (self));
+
+    if (query != NULL)
+    {
+        text = nautilus_query_get_text (query);
+    }
+
+    if (!text)
+    {
+        text = g_strdup ("");
+    }
+
+    self->change_frozen = TRUE;
+
+    current_text = g_strdup (gtk_editable_get_text (GTK_EDITABLE (self->text)));
+    current_text = g_strstrip (current_text);
+    if (!g_str_equal (current_text, text))
+    {
+        gtk_editable_set_text (GTK_EDITABLE (self->text), text);
+        gtk_editable_set_position (GTK_EDITABLE (self->text), -1);
+    }
+
+    if (g_set_object (&self->query, query))
+    {
+        g_object_notify (G_OBJECT (self), "query");
+    }
+
+    self->change_frozen = FALSE;
+}
+
+void
+nautilus_query_editor_set_text (NautilusQueryEditor *self,
+                                const gchar         *text)
+{
+    g_return_if_fail (NAUTILUS_IS_QUERY_EDITOR (self));
+    g_return_if_fail (text != NULL);
+
+    /* The handler of the entry will take care of everything */
+    gtk_editable_set_text (GTK_EDITABLE (self->text), text);
+}
+
+static gboolean
+nautilus_gtk_search_entry_is_keynav_event (guint           keyval,
+                                           GdkModifierType state)
+{
+    if (keyval == GDK_KEY_Tab || keyval == GDK_KEY_KP_Tab ||
+        keyval == GDK_KEY_Up || keyval == GDK_KEY_KP_Up ||
+        keyval == GDK_KEY_Down || keyval == GDK_KEY_KP_Down ||
+        keyval == GDK_KEY_Left || keyval == GDK_KEY_KP_Left ||
+        keyval == GDK_KEY_Right || keyval == GDK_KEY_KP_Right ||
+        keyval == GDK_KEY_Home || keyval == GDK_KEY_KP_Home ||
+        keyval == GDK_KEY_End || keyval == GDK_KEY_KP_End ||
+        keyval == GDK_KEY_Page_Up || keyval == GDK_KEY_KP_Page_Up ||
+        keyval == GDK_KEY_Page_Down || keyval == GDK_KEY_KP_Page_Down ||
+        ((state & (GDK_CONTROL_MASK | GDK_ALT_MASK)) != 0))
+    {
+        return TRUE;
+    }
+
+    /* Other navigation events should get automatically
+     * ignored as they will not change the content of the entry
+     */
+    return FALSE;
+}
+
+gboolean
+nautilus_query_editor_handle_event (NautilusQueryEditor   *self,
+                                    GtkEventControllerKey *controller,
+                                    guint                  keyval,
+                                    GdkModifierType        state)
+{
+    g_return_val_if_fail (NAUTILUS_IS_QUERY_EDITOR (self), GDK_EVENT_PROPAGATE);
+    g_return_val_if_fail (controller != NULL, GDK_EVENT_PROPAGATE);
+
+    /* Conditions are copied straight from GTK. */
+    if (nautilus_gtk_search_entry_is_keynav_event (keyval, state) ||
+        keyval == GDK_KEY_space ||
+        keyval == GDK_KEY_Menu)
+    {
+        return GDK_EVENT_PROPAGATE;
+    }
+
+    return gtk_event_controller_key_forward (controller, self->text);
+}