thunar-standard-view.c

/* vi:set et ai sw=2 sts=2 ts=2: */
/*-
 * Copyright (c) 2005-2006 Benedikt Meurer <benny@xfce.org>
 * Copyright (c) 2009-2011 Jannis Pohlmann <jannis@xfce.org>
 *
 * This program 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.
 *
 * This program 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; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifdef HAVE_MEMORY_H
#include <memory.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif

#include <gdk/gdkkeysyms.h>

#include <thunar/thunar-application.h>
#include <thunar/thunar-create-dialog.h>
#include <thunar/thunar-dialogs.h>
#include <thunar/thunar-dnd.h>
#include <thunar/thunar-enum-types.h>
#include <thunar/thunar-gio-extensions.h>
#include <thunar/thunar-gobject-extensions.h>
#include <thunar/thunar-gtk-extensions.h>
#include <thunar/thunar-history.h>
#include <thunar/thunar-icon-renderer.h>
#include <thunar/thunar-marshal.h>
#include <thunar/thunar-menu-util.h>
#include <thunar/thunar-pango-extensions.h>
#include <thunar/thunar-private.h>
#include <thunar/thunar-properties-dialog.h>
#include <thunar/thunar-renamer-dialog.h>
#include <thunar/thunar-simple-job.h>
#include <thunar/thunar-standard-view.h>
#include <thunar/thunar-standard-view-ui.h>
#include <thunar/thunar-templates-action.h>
#include <thunar/thunar-thumbnailer.h>
#include <thunar/thunar-util.h>

#if defined(GDK_WINDOWING_X11)
#include <gdk/gdkx.h>
#endif



/* Property identifiers */
enum
{
  PROP_0,
  PROP_CURRENT_DIRECTORY,
  PROP_LOADING,
  PROP_DISPLAY_NAME,
  PROP_TOOLTIP_TEXT,
  PROP_SELECTED_FILES,
  PROP_SHOW_HIDDEN,
  PROP_STATUSBAR_TEXT,
  PROP_UI_MANAGER,
  PROP_ZOOM_LEVEL,
  N_PROPERTIES
};

/* Signal identifiers */
enum
{
  DELETE_SELECTED_FILES,
  START_OPEN_LOCATION,
  LAST_SIGNAL,
};

/* Identifiers for DnD target types */
enum
{
  TARGET_TEXT_URI_LIST,
  TARGET_XDND_DIRECT_SAVE0,
  TARGET_NETSCAPE_URL,
};



static void                 thunar_standard_view_component_init             (ThunarComponentIface     *iface);
static void                 thunar_standard_view_navigator_init             (ThunarNavigatorIface     *iface);
static void                 thunar_standard_view_view_init                  (ThunarViewIface          *iface);
static GObject             *thunar_standard_view_constructor                (GType                     type,
                                                                             guint                     n_construct_properties,
                                                                             GObjectConstructParam    *construct_properties);
static void                 thunar_standard_view_dispose                    (GObject                  *object);
static void                 thunar_standard_view_finalize                   (GObject                  *object);
static void                 thunar_standard_view_get_property               (GObject                  *object,
                                                                             guint                     prop_id,
                                                                             GValue                   *value,
                                                                             GParamSpec               *pspec);
static void                 thunar_standard_view_set_property               (GObject                  *object,
                                                                             guint                     prop_id,
                                                                             const GValue             *value,
                                                                             GParamSpec               *pspec);
static void                 thunar_standard_view_realize                    (GtkWidget                *widget);
static void                 thunar_standard_view_unrealize                  (GtkWidget                *widget);
static void                 thunar_standard_view_grab_focus                 (GtkWidget                *widget);
static gboolean             thunar_standard_view_draw                       (GtkWidget                *widget,
                                                                             cairo_t                  *cr);
static GList               *thunar_standard_view_get_selected_files         (ThunarComponent          *component);
static void                 thunar_standard_view_set_selected_files         (ThunarComponent          *component,
                                                                             GList                    *selected_files);
static GtkUIManager        *thunar_standard_view_get_ui_manager             (ThunarComponent          *component);
static void                 thunar_standard_view_set_ui_manager             (ThunarComponent          *component,
                                                                             GtkUIManager             *ui_manager);
static ThunarFile          *thunar_standard_view_get_current_directory      (ThunarNavigator          *navigator);
static void                 thunar_standard_view_set_current_directory      (ThunarNavigator          *navigator,
                                                                             ThunarFile               *current_directory);
static gboolean             thunar_standard_view_get_loading                (ThunarView               *view);
static void                 thunar_standard_view_set_loading                (ThunarStandardView       *standard_view,
                                                                             gboolean                  loading);
static const gchar         *thunar_standard_view_get_statusbar_text         (ThunarView               *view);
static gboolean             thunar_standard_view_get_show_hidden            (ThunarView               *view);
static void                 thunar_standard_view_set_show_hidden            (ThunarView               *view,
                                                                             gboolean                  show_hidden);
static ThunarZoomLevel      thunar_standard_view_get_zoom_level             (ThunarView               *view);
static void                 thunar_standard_view_set_zoom_level             (ThunarView               *view,
                                                                             ThunarZoomLevel           zoom_level);
static void                 thunar_standard_view_reset_zoom_level           (ThunarView               *view);
static void                 thunar_standard_view_reload                     (ThunarView               *view,
                                                                             gboolean                  reload_info);
static gboolean             thunar_standard_view_get_visible_range          (ThunarView               *view,
                                                                             ThunarFile              **start_file,
                                                                             ThunarFile              **end_file);
static void                 thunar_standard_view_scroll_to_file             (ThunarView               *view,
                                                                             ThunarFile               *file,
                                                                             gboolean                  select_file,
                                                                             gboolean                  use_align,
                                                                             gfloat                    row_align,
                                                                             gfloat                    col_align);
static gboolean             thunar_standard_view_delete_selected_files      (ThunarStandardView       *standard_view);
static GdkDragAction        thunar_standard_view_get_dest_actions           (ThunarStandardView       *standard_view,
                                                                             GdkDragContext           *context,
                                                                             gint                      x,
                                                                             gint                      y,
                                                                             guint                     timestamp,
                                                                             ThunarFile              **file_return);
static ThunarFile          *thunar_standard_view_get_drop_file              (ThunarStandardView       *standard_view,
                                                                             gint                      x,
                                                                             gint                      y,
                                                                             GtkTreePath             **path_return);
static void                 thunar_standard_view_merge_custom_actions       (ThunarStandardView       *standard_view);
static void                 thunar_standard_view_update_statusbar_text      (ThunarStandardView       *standard_view);
static void                 thunar_standard_view_current_directory_destroy  (ThunarFile               *current_directory,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_current_directory_changed  (ThunarFile               *current_directory,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_create_empty_file   (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_create_folder       (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_create_template     (GtkAction                *action,
                                                                             const ThunarFile         *file,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_properties          (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_cut                 (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_copy                (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_paste               (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_move_to_trash       (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_delete             (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_paste_into_folder   (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_select_all_files    (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_select_by_pattern   (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_selection_invert    (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_duplicate           (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_make_link           (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_rename              (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_action_restore             (GtkAction                *action,
                                                                             ThunarStandardView       *standard_view);
static GClosure            *thunar_standard_view_new_files_closure          (ThunarStandardView       *standard_view,
                                                                             GtkWidget                *source_view);
static void                 thunar_standard_view_new_files                  (ThunarStandardView       *standard_view,
                                                                             GList                    *path_list);
static gboolean             thunar_standard_view_button_release_event       (GtkWidget                *view,
                                                                             GdkEventButton           *event,
                                                                             ThunarStandardView       *standard_view);
static gboolean             thunar_standard_view_motion_notify_event        (GtkWidget                *view,
                                                                             GdkEventMotion           *event,
                                                                             ThunarStandardView       *standard_view);
static gboolean             thunar_standard_view_key_press_event            (GtkWidget                *view,
                                                                             GdkEventKey              *event,
                                                                             ThunarStandardView       *standard_view);
static gboolean             thunar_standard_view_scroll_event               (GtkWidget                *view,
                                                                             GdkEventScroll           *event,
                                                                             ThunarStandardView       *standard_view);
static gboolean             thunar_standard_view_button_press_event         (GtkWidget                *view,
                                                                             GdkEventButton           *event,
                                                                             ThunarStandardView       *standard_view);
static gboolean             thunar_standard_view_drag_drop                  (GtkWidget                *view,
                                                                             GdkDragContext           *context,
                                                                             gint                      x,
                                                                             gint                      y,
                                                                             guint                     timestamp,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_drag_data_received         (GtkWidget                *view,
                                                                             GdkDragContext           *context,
                                                                             gint                      x,
                                                                             gint                      y,
                                                                             GtkSelectionData         *selection_data,
                                                                             guint                     info,
                                                                             guint                     timestamp,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_drag_leave                 (GtkWidget                *view,
                                                                             GdkDragContext           *context,
                                                                             guint                     timestamp,
                                                                             ThunarStandardView       *standard_view);
static gboolean             thunar_standard_view_drag_motion                (GtkWidget                *view,
                                                                             GdkDragContext           *context,
                                                                             gint                      x,
                                                                             gint                      y,
                                                                             guint                     timestamp,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_drag_begin                 (GtkWidget                *view,
                                                                             GdkDragContext           *context,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_drag_data_get              (GtkWidget                *view,
                                                                             GdkDragContext           *context,
                                                                             GtkSelectionData         *selection_data,
                                                                             guint                     info,
                                                                             guint                     timestamp,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_drag_data_delete           (GtkWidget                *view,
                                                                             GdkDragContext           *context,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_drag_end                   (GtkWidget                *view,
                                                                             GdkDragContext           *context,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_row_deleted                (ThunarListModel          *model,
                                                                             GtkTreePath              *path,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_select_after_row_deleted   (ThunarListModel          *model,
                                                                             GtkTreePath              *path,
                                                                             ThunarStandardView       *standard_view);
static gboolean             thunar_standard_view_restore_selection_idle     (ThunarStandardView       *standard_view);
static void                 thunar_standard_view_row_changed                (ThunarListModel          *model,
                                                                             GtkTreePath              *path,
                                                                             GtkTreeIter              *iter,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_rows_reordered             (ThunarListModel          *model,
                                                                             GtkTreePath              *path,
                                                                             GtkTreeIter              *iter,
                                                                             gpointer                  new_order,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_error                      (ThunarListModel          *model,
                                                                             const GError             *error,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_sort_column_changed        (GtkTreeSortable          *tree_sortable,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_loading_unbound            (gpointer                  user_data);
static gboolean             thunar_standard_view_drag_scroll_timer          (gpointer                  user_data);
static void                 thunar_standard_view_drag_scroll_timer_destroy  (gpointer                  user_data);
static gboolean             thunar_standard_view_drag_timer                 (gpointer                  user_data);
static void                 thunar_standard_view_drag_timer_destroy         (gpointer                  user_data);
static void                 thunar_standard_view_finished_thumbnailing      (ThunarThumbnailer        *thumbnailer,
                                                                             guint                     request,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_thumbnailing_destroyed     (gpointer                  data);
static void                 thunar_standard_view_cancel_thumbnailing        (ThunarStandardView       *standard_view);
static void                 thunar_standard_view_schedule_thumbnail_timeout (ThunarStandardView       *standard_view);
static void                 thunar_standard_view_schedule_thumbnail_idle    (ThunarStandardView       *standard_view);
static gboolean             thunar_standard_view_request_thumbnails         (gpointer                  data);
static gboolean             thunar_standard_view_request_thumbnails_lazy    (gpointer                  data);
static void                 thunar_standard_view_thumbnail_mode_toggled     (ThunarStandardView       *standard_view,
                                                                             GParamSpec               *pspec,
                                                                             ThunarIconFactory        *icon_factory);
static void                 thunar_standard_view_scrolled                   (GtkAdjustment            *adjustment,
                                                                             ThunarStandardView       *standard_view);
static void                 thunar_standard_view_size_allocate              (ThunarStandardView       *standard_view,
                                                                             GtkAllocation            *allocation);



struct _ThunarStandardViewPrivate
{
  /* current directory of the view */
  ThunarFile             *current_directory;

  GtkAction              *action_create_folder;
  GtkAction              *action_create_document;
  GtkAction              *action_properties;
  GtkAction              *action_cut;
  GtkAction              *action_copy;
  GtkAction              *action_paste;
  GtkAction              *action_move_to_trash;
  GtkAction              *action_delete;
  GtkAction              *action_paste_into_folder;
  GtkAction              *action_duplicate;
  GtkAction              *action_make_link;
  GtkAction              *action_rename;
  GtkAction              *action_restore;

  /* history of the current view */
  ThunarHistory          *history;

  /* support for file manager extensions */
  ThunarxProviderFactory *provider_factory;

  /* zoom-level support */
  ThunarZoomLevel         zoom_level;

  /* scroll_to_file support */
  GHashTable             *scroll_to_files;

  /* statusbar */
  gchar                  *statusbar_text;
  guint                   statusbar_text_idle_id;

  /* custom menu actions support */
  GtkActionGroup         *custom_actions;
  gint                    custom_merge_id;

  /* right-click drag/popup support */
  GList                  *drag_g_file_list;
  guint                   drag_scroll_timer_id;
  guint                   drag_timer_id;
  GdkEvent               *drag_timer_event;
  gint                    drag_x;
  gint                    drag_y;

  /* drop site support */
  guint                   drop_data_ready : 1; /* whether the drop data was received already */
  guint                   drop_highlight : 1;
  guint                   drop_occurred : 1;   /* whether the data was dropped */
  GList                  *drop_file_list;      /* the list of URIs that are contained in the drop data */

  /* the "new-files" closure, which is used to select files whenever
   * new files are created by a ThunarJob associated with this view
   */
  GClosure               *new_files_closure;

  /* the "new-files" path list that was remembered in the closure callback
   * if the view is currently being loaded and as such the folder may
   * not have all "new-files" at hand. This list is used when the
   * folder tells that it's ready loading and the view will try again
   * to select exactly these files.
   */
  GList                  *new_files_path_list;

  /* scroll-to-file support */
  ThunarFile             *scroll_to_file;
  guint                   scroll_to_select : 1;
  guint                   scroll_to_use_align : 1;
  gfloat                  scroll_to_row_align;
  gfloat                  scroll_to_col_align;

  /* selected_files support */
  GList                  *selected_files;
  guint                   restore_selection_idle_id;

  /* support for generating thumbnails */
  ThunarThumbnailer      *thumbnailer;
  guint                   thumbnail_request;
  guint                   thumbnail_source_id;
  gboolean                thumbnailing_scheduled;

  /* file insert signal */
  gulong                  row_changed_id;

  /* Tree path for restoring the selection after selecting and
   * deleting an item */
  GtkTreePath            *selection_before_delete;
};



static const GtkActionEntry action_entries[] =
{
  { "file-context-menu", NULL, N_ ("File Context Menu"), NULL, NULL, NULL, },
  { "folder-context-menu", NULL, N_ ("Folder Context Menu"), NULL, NULL, NULL, },
  { "create-folder", "folder-new", N_ ("Create _Folder..."), "<control><shift>N", N_ ("Create an empty folder within the current folder"), G_CALLBACK (thunar_standard_view_action_create_folder), },
  { "properties", "document-properties", N_ ("_Properties..."), "<alt>Return", N_ ("View the properties of the selected file"), G_CALLBACK (thunar_standard_view_action_properties), },
  { "cut", "edit-cut", N_ ("Cu_t"), "<control>X", NULL, G_CALLBACK (thunar_standard_view_action_cut), },
  { "copy", "edit-copy", N_ ("_Copy"), "<control>C", NULL, G_CALLBACK (thunar_standard_view_action_copy), },
  { "paste", "edit-paste", N_ ("_Paste"), "<control>V", N_ ("Move or copy files previously selected by a Cut or Copy command"), G_CALLBACK (thunar_standard_view_action_paste), },
  { "move-to-trash", "user-trash", N_ ("Mo_ve to Trash"), NULL, NULL, G_CALLBACK (thunar_standard_view_action_move_to_trash), },
  { "delete", "edit-delete", N_ ("_Delete"), NULL, NULL, G_CALLBACK (thunar_standard_view_action_delete), },
  { "paste-into-folder", "edit-paste", N_ ("Paste Into Folder"), NULL, N_ ("Move or copy files previously selected by a Cut or Copy command into the selected folder"), G_CALLBACK (thunar_standard_view_action_paste_into_folder), },
  { "select-all-files", NULL, N_ ("Select _all Files"), NULL, N_ ("Select all files in this window"), G_CALLBACK (thunar_standard_view_action_select_all_files), },
  { "select-by-pattern", NULL, N_ ("Select _by Pattern..."), "<control>S", N_ ("Select all files that match a certain pattern"), G_CALLBACK (thunar_standard_view_action_select_by_pattern), },
  { "invert-selection", NULL, N_ ("_Invert Selection"), NULL, N_ ("Select all and only the items that are not currently selected"), G_CALLBACK (thunar_standard_view_action_selection_invert), },
  { "duplicate", NULL, N_ ("Du_plicate"), NULL, NULL, G_CALLBACK (thunar_standard_view_action_duplicate), },
  { "make-link", NULL, N_ ("Ma_ke Link"), NULL, NULL, G_CALLBACK (thunar_standard_view_action_make_link), },
  { "rename", NULL, N_ ("_Rename..."), "F2", NULL, G_CALLBACK (thunar_standard_view_action_rename), },
  { "restore", NULL, N_ ("_Restore"), NULL, NULL, G_CALLBACK (thunar_standard_view_action_restore), },
};

/* Target types for dragging from the view */
static const GtkTargetEntry drag_targets[] =
{
  { "text/uri-list", 0, TARGET_TEXT_URI_LIST, },
};

/* Target types for dropping to the view */
static const GtkTargetEntry drop_targets[] =
{
  { "text/uri-list", 0, TARGET_TEXT_URI_LIST, },
  { "XdndDirectSave0", 0, TARGET_XDND_DIRECT_SAVE0, },
  { "_NETSCAPE_URL", 0, TARGET_NETSCAPE_URL, },
};



static guint       standard_view_signals[LAST_SIGNAL];
static GParamSpec *standard_view_props[N_PROPERTIES] = { NULL, };



G_DEFINE_ABSTRACT_TYPE_WITH_CODE (ThunarStandardView, thunar_standard_view, GTK_TYPE_SCROLLED_WINDOW,
    G_IMPLEMENT_INTERFACE (THUNAR_TYPE_NAVIGATOR, thunar_standard_view_navigator_init)
    G_IMPLEMENT_INTERFACE (THUNAR_TYPE_COMPONENT, thunar_standard_view_component_init)
    G_IMPLEMENT_INTERFACE (THUNAR_TYPE_VIEW, thunar_standard_view_view_init)
    G_ADD_PRIVATE (ThunarStandardView))



static void
thunar_standard_view_class_init (ThunarStandardViewClass *klass)
{
  GtkWidgetClass *gtkwidget_class;
  GtkBindingSet  *binding_set;
  GObjectClass   *gobject_class;
  gpointer        g_iface;

  gobject_class = G_OBJECT_CLASS (klass);
  gobject_class->constructor = thunar_standard_view_constructor;
  gobject_class->dispose = thunar_standard_view_dispose;
  gobject_class->finalize = thunar_standard_view_finalize;
  gobject_class->get_property = thunar_standard_view_get_property;
  gobject_class->set_property = thunar_standard_view_set_property;

  gtkwidget_class = GTK_WIDGET_CLASS (klass);
  gtkwidget_class->realize = thunar_standard_view_realize;
  gtkwidget_class->unrealize = thunar_standard_view_unrealize;
  gtkwidget_class->grab_focus = thunar_standard_view_grab_focus;
  gtkwidget_class->draw = thunar_standard_view_draw;

  klass->delete_selected_files = thunar_standard_view_delete_selected_files;
  klass->connect_ui_manager = (gpointer) exo_noop;
  klass->disconnect_ui_manager = (gpointer) exo_noop;

  /**
   * ThunarStandardView:loading:
   *
   * Whether the folder associated with this view is
   * currently being loaded from the underlying media.
   *
   * Override property to set the property as writable
   * for the binding.
   **/
  standard_view_props[PROP_LOADING] =
      g_param_spec_override ("loading",
                             g_param_spec_boolean ("loading",
                                                   "loading",
                                                   "loading",
                                                   FALSE,
                                                   EXO_PARAM_READWRITE));

  /**
   * ThunarStandardView:display-name:
   *
   * Display name of the current directory, for label text
   **/
  standard_view_props[PROP_DISPLAY_NAME] =
      g_param_spec_string ("display-name",
                           "display-name",
                           "display-name",
                           NULL,
                           EXO_PARAM_READABLE);

  /**
   * ThunarStandardView:parse-name:
   *
   * Full parsed name of the current directory, for label tooltip
   **/
  standard_view_props[PROP_TOOLTIP_TEXT] =
      g_param_spec_string ("tooltip-text",
                           "tooltip-text",
                           "tooltip-text",
                           NULL,
                           EXO_PARAM_READABLE);

  /* override ThunarComponent's properties */
  g_iface = g_type_default_interface_peek (THUNAR_TYPE_COMPONENT);
  standard_view_props[PROP_SELECTED_FILES] =
      g_param_spec_override ("selected-files",
                             g_object_interface_find_property (g_iface, "selected-files"));

  standard_view_props[PROP_UI_MANAGER] =
      g_param_spec_override ("ui-manager",
                             g_object_interface_find_property (g_iface, "ui-manager"));

  /* override ThunarNavigator's properties */
  g_iface = g_type_default_interface_peek (THUNAR_TYPE_NAVIGATOR);
  standard_view_props[PROP_CURRENT_DIRECTORY] =
      g_param_spec_override ("current-directory",
                             g_object_interface_find_property (g_iface, "current-directory"));

  /* override ThunarView's properties */
  g_iface = g_type_default_interface_peek (THUNAR_TYPE_VIEW);
  standard_view_props[PROP_STATUSBAR_TEXT] =
      g_param_spec_override ("statusbar-text",
                             g_object_interface_find_property (g_iface, "statusbar-text"));

  standard_view_props[PROP_SHOW_HIDDEN] =
      g_param_spec_override ("show-hidden",
                             g_object_interface_find_property (g_iface, "show-hidden"));

  standard_view_props[PROP_ZOOM_LEVEL] =
      g_param_spec_override ("zoom-level",
                             g_object_interface_find_property (g_iface, "zoom-level"));

  /* install all properties */
  g_object_class_install_properties (gobject_class, N_PROPERTIES, standard_view_props);

  /**
   * ThunarStandardView::start-opn-location:
   * @standard_view : a #ThunarStandardView.
   * @initial_text  : the inital location text.
   *
   * Emitted by @standard_view, whenever the user requests to
   * select a custom location (using either the "Open Location"
   * dialog or the location entry widget) by specifying an
   * @initial_text (i.e. if the user types "/" into the
   * view).
   **/
  standard_view_signals[START_OPEN_LOCATION] =
    g_signal_new (I_("start-open-location"),
                  G_TYPE_FROM_CLASS (klass),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (ThunarStandardViewClass, start_open_location),
                  NULL, NULL,
                  g_cclosure_marshal_VOID__STRING,
                  G_TYPE_NONE, 1, G_TYPE_STRING);

  /**
   * ThunarStandardView::delete-selected-files:
   * @standard_view : a #ThunarStandardView.
   *
   * Emitted whenever the user presses the Delete key. This
   * is an internal signal used to bind the action to keys.
   **/
  standard_view_signals[DELETE_SELECTED_FILES] =
    g_signal_new (I_("delete-selected-files"),
                  G_TYPE_FROM_CLASS (klass),
                  G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
                  G_STRUCT_OFFSET (ThunarStandardViewClass, delete_selected_files),
                  g_signal_accumulator_true_handled, NULL,
                  _thunar_marshal_BOOLEAN__VOID,
                  G_TYPE_BOOLEAN, 0);

  /* setup the key bindings for the standard views */
  binding_set = gtk_binding_set_by_class (klass);
  gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_CONTROL_MASK, "delete-selected-files", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, 0, "delete-selected-files", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_SHIFT_MASK, "delete-selected-files", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, 0, "delete-selected-files", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_SHIFT_MASK, "delete-selected-files", 0);
}



static void
thunar_standard_view_component_init (ThunarComponentIface *iface)
{
  iface->get_selected_files = thunar_standard_view_get_selected_files;
  iface->set_selected_files = thunar_standard_view_set_selected_files;
  iface->get_ui_manager = thunar_standard_view_get_ui_manager;
  iface->set_ui_manager = thunar_standard_view_set_ui_manager;
}



static void
thunar_standard_view_navigator_init (ThunarNavigatorIface *iface)
{
  iface->get_current_directory = thunar_standard_view_get_current_directory;
  iface->set_current_directory = thunar_standard_view_set_current_directory;
}



static void
thunar_standard_view_view_init (ThunarViewIface *iface)
{
  iface->get_loading = thunar_standard_view_get_loading;
  iface->get_statusbar_text = thunar_standard_view_get_statusbar_text;
  iface->get_show_hidden = thunar_standard_view_get_show_hidden;
  iface->set_show_hidden = thunar_standard_view_set_show_hidden;
  iface->get_zoom_level = thunar_standard_view_get_zoom_level;
  iface->set_zoom_level = thunar_standard_view_set_zoom_level;
  iface->reset_zoom_level = thunar_standard_view_reset_zoom_level;
  iface->reload = thunar_standard_view_reload;
  iface->get_visible_range = thunar_standard_view_get_visible_range;
  iface->scroll_to_file = thunar_standard_view_scroll_to_file;
}



static void
thunar_standard_view_init (ThunarStandardView *standard_view)
{
  standard_view->priv = thunar_standard_view_get_instance_private (standard_view);

  /* allocate the scroll_to_files mapping (directory GFile -> first visible child GFile) */
  standard_view->priv->scroll_to_files = g_hash_table_new_full (g_file_hash, (GEqualFunc) g_file_equal, g_object_unref, g_object_unref);

  /* grab a reference on the preferences */
  standard_view->preferences = thunar_preferences_get ();

  /* grab a reference on the provider factory */
  standard_view->priv->provider_factory = thunarx_provider_factory_get_default ();

  /* create a thumbnailer */
  standard_view->priv->thumbnailer = thunar_thumbnailer_get ();
  g_signal_connect (G_OBJECT (standard_view->priv->thumbnailer), "request-finished", G_CALLBACK (thunar_standard_view_finished_thumbnailing), standard_view);
  standard_view->priv->thumbnailing_scheduled = FALSE;

  /* initialize the scrolled window */
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (standard_view),
                                  GTK_POLICY_AUTOMATIC,
                                  GTK_POLICY_AUTOMATIC);
  gtk_scrolled_window_set_hadjustment (GTK_SCROLLED_WINDOW (standard_view), NULL);
  gtk_scrolled_window_set_vadjustment (GTK_SCROLLED_WINDOW (standard_view), NULL);
  gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (standard_view), GTK_SHADOW_IN);

G_GNUC_BEGIN_IGNORE_DEPRECATIONS
  /* setup the action group for this view */
  standard_view->action_group = gtk_action_group_new ("ThunarStandardView");
  gtk_action_group_set_translation_domain (standard_view->action_group, GETTEXT_PACKAGE);
  gtk_action_group_add_actions (standard_view->action_group, action_entries,
                                G_N_ELEMENTS (action_entries),
                                GTK_WIDGET (standard_view));

  /* lookup all actions to speed up access later */
  standard_view->priv->action_create_folder = gtk_action_group_get_action (standard_view->action_group, "create-folder");
  standard_view->priv->action_properties = gtk_action_group_get_action (standard_view->action_group, "properties");
  standard_view->priv->action_cut = gtk_action_group_get_action (standard_view->action_group, "cut");
  standard_view->priv->action_copy = gtk_action_group_get_action (standard_view->action_group, "copy");
  standard_view->priv->action_paste = gtk_action_group_get_action (standard_view->action_group, "paste");
  standard_view->priv->action_move_to_trash = gtk_action_group_get_action (standard_view->action_group, "move-to-trash");
  standard_view->priv->action_delete = gtk_action_group_get_action (standard_view->action_group, "delete");
  standard_view->priv->action_paste_into_folder = gtk_action_group_get_action (standard_view->action_group, "paste-into-folder");
  standard_view->priv->action_duplicate = gtk_action_group_get_action (standard_view->action_group, "duplicate");
  standard_view->priv->action_make_link = gtk_action_group_get_action (standard_view->action_group, "make-link");
  standard_view->priv->action_rename = gtk_action_group_get_action (standard_view->action_group, "rename");
  standard_view->priv->action_restore = gtk_action_group_get_action (standard_view->action_group, "restore");
G_GNUC_END_IGNORE_DEPRECATIONS

  /* add the "Create Document" sub menu action */
  standard_view->priv->action_create_document = thunar_templates_action_new ("create-document", _("Create _Document"));
  g_signal_connect (G_OBJECT (standard_view->priv->action_create_document), "create-empty-file",
                    G_CALLBACK (thunar_standard_view_action_create_empty_file), standard_view);
  g_signal_connect (G_OBJECT (standard_view->priv->action_create_document), "create-template",
                    G_CALLBACK (thunar_standard_view_action_create_template), standard_view);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
  gtk_action_group_add_action (standard_view->action_group, standard_view->priv->action_create_document);
G_GNUC_END_IGNORE_DEPRECATIONS
  g_object_unref (G_OBJECT (standard_view->priv->action_create_document));

  /* setup the history support */
  standard_view->priv->history = g_object_new (THUNAR_TYPE_HISTORY, "action-group", standard_view->action_group, NULL);
  g_signal_connect_swapped (G_OBJECT (standard_view->priv->history), "change-directory", G_CALLBACK (thunar_navigator_change_directory), standard_view);

  /* setup the list model */
  standard_view->model = thunar_list_model_new ();
  g_signal_connect (G_OBJECT (standard_view->model), "row-deleted", G_CALLBACK (thunar_standard_view_row_deleted), standard_view);
  g_signal_connect_after (G_OBJECT (standard_view->model), "row-deleted", G_CALLBACK (thunar_standard_view_select_after_row_deleted), standard_view);
  standard_view->priv->row_changed_id = g_signal_connect (G_OBJECT (standard_view->model), "row-changed", G_CALLBACK (thunar_standard_view_row_changed), standard_view);
  g_signal_connect (G_OBJECT (standard_view->model), "rows-reordered", G_CALLBACK (thunar_standard_view_rows_reordered), standard_view);
  g_signal_connect (G_OBJECT (standard_view->model), "error", G_CALLBACK (thunar_standard_view_error), standard_view);
  exo_binding_new (G_OBJECT (standard_view->preferences), "misc-case-sensitive", G_OBJECT (standard_view->model), "case-sensitive");
  exo_binding_new (G_OBJECT (standard_view->preferences), "misc-date-style", G_OBJECT (standard_view->model), "date-style");
  exo_binding_new (G_OBJECT (standard_view->preferences), "misc-date-custom-style", G_OBJECT (standard_view->model), "date-custom-style");
  exo_binding_new (G_OBJECT (standard_view->preferences), "misc-folders-first", G_OBJECT (standard_view->model), "folders-first");
  exo_binding_new (G_OBJECT (standard_view->preferences), "misc-file-size-binary", G_OBJECT (standard_view->model), "file-size-binary");

  /* setup the icon renderer */
  standard_view->icon_renderer = thunar_icon_renderer_new ();
  g_object_ref_sink (G_OBJECT (standard_view->icon_renderer));
  exo_binding_new (G_OBJECT (standard_view), "zoom-level", G_OBJECT (standard_view->icon_renderer), "size");
  exo_binding_new (G_OBJECT (standard_view->icon_renderer), "size", G_OBJECT (standard_view->priv->thumbnailer), "thumbnail-size");

  /* setup the name renderer */
  standard_view->name_renderer = g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
#if PANGO_VERSION_CHECK (1, 44, 0)
                                               "attributes", thunar_pango_attr_disable_hyphens (),
#endif
                                               "alignment", PANGO_ALIGN_CENTER,
                                               "xalign", 0.5,
                                               NULL);
  g_object_ref_sink (G_OBJECT (standard_view->name_renderer));

  /* TODO: prelit underline
  exo_binding_new (G_OBJECT (standard_view->preferences), "misc-single-click", G_OBJECT (standard_view->name_renderer), "follow-prelit");*/

  /* be sure to update the selection whenever the folder changes */
  g_signal_connect_swapped (G_OBJECT (standard_view->model), "notify::folder", G_CALLBACK (thunar_standard_view_selection_changed), standard_view);

  /* be sure to update the statusbar text whenever the number of
   * files in our model changes.
   */
  g_signal_connect_swapped (G_OBJECT (standard_view->model), "notify::num-files", G_CALLBACK (thunar_standard_view_update_statusbar_text), standard_view);

  /* be sure to update the statusbar text whenever the file-size-binary property changes */
  g_signal_connect_swapped (G_OBJECT (standard_view->model), "notify::file-size-binary", G_CALLBACK (thunar_standard_view_update_statusbar_text), standard_view);

  /* connect to size allocation signals for generating thumbnail requests */
  g_signal_connect_after (G_OBJECT (standard_view), "size-allocate",
                          G_CALLBACK (thunar_standard_view_size_allocate), NULL);

  /* add widget to css class */
  gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (standard_view)), "standard-view");
}



static GObject*
thunar_standard_view_constructor (GType                  type,
                                  guint                  n_construct_properties,
                                  GObjectConstructParam *construct_properties)
{
  ThunarStandardView *standard_view;
  ThunarZoomLevel     zoom_level;
  GtkAdjustment      *adjustment;
  ThunarColumn        sort_column;
  GtkSortType         sort_order;
  GtkWidget          *view;
  GObject            *object;

  /* let the GObject constructor create the instance */
  object = G_OBJECT_CLASS (thunar_standard_view_parent_class)->constructor (type,
                                                                            n_construct_properties,
                                                                            construct_properties);

  /* cast to standard_view for convenience */
  standard_view = THUNAR_STANDARD_VIEW (object);

  /* setup the default zoom-level, determined from the "last-<view>-zoom-level" preference */
  g_object_get (G_OBJECT (standard_view->preferences), THUNAR_STANDARD_VIEW_GET_CLASS (standard_view)->zoom_level_property_name, &zoom_level, NULL);
  thunar_view_set_zoom_level (THUNAR_VIEW (standard_view), zoom_level);

  /* save the "zoom-level" as "last-<view>-zoom-level" whenever the user changes the zoom level */
  g_object_bind_property (object, "zoom-level", G_OBJECT (standard_view->preferences), THUNAR_STANDARD_VIEW_GET_CLASS (standard_view)->zoom_level_property_name, G_BINDING_DEFAULT);

  /* determine the real view widget (treeview or iconview) */
  view = gtk_bin_get_child (GTK_BIN (object));

  /* apply our list model to the real view (the child of the scrolled window),
   * we therefore assume that all real views have the "model" property.
   */
  g_object_set (G_OBJECT (view), "model", standard_view->model, NULL);

  /* apply the single-click settings to the view */
  exo_binding_new (G_OBJECT (standard_view->preferences), "misc-single-click", G_OBJECT (view), "single-click");
  exo_binding_new (G_OBJECT (standard_view->preferences), "misc-single-click-timeout", G_OBJECT (view), "single-click-timeout");

  /* apply the default sort column and sort order */
  g_object_get (G_OBJECT (standard_view->preferences), "last-sort-column", &sort_column, "last-sort-order", &sort_order, NULL);
  gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (standard_view->model), sort_column, sort_order);

  /* stay informed about changes to the sort column/order */
  g_signal_connect (G_OBJECT (standard_view->model), "sort-column-changed", G_CALLBACK (thunar_standard_view_sort_column_changed), standard_view);

  /* setup support to navigate using a horizontal mouse wheel and the back and forward buttons */
  g_signal_connect (G_OBJECT (view), "scroll-event", G_CALLBACK (thunar_standard_view_scroll_event), object);
  g_signal_connect (G_OBJECT (view), "button-press-event", G_CALLBACK (thunar_standard_view_button_press_event), object);

  /* need to catch certain keys for the internal view widget */
  g_signal_connect (G_OBJECT (view), "key-press-event", G_CALLBACK (thunar_standard_view_key_press_event), object);

  /* setup the real view as drop site */
  gtk_drag_dest_set (view, 0, drop_targets, G_N_ELEMENTS (drop_targets), GDK_ACTION_ASK | GDK_ACTION_COPY | GDK_ACTION_LINK | GDK_ACTION_MOVE);
  g_signal_connect (G_OBJECT (view), "drag-drop", G_CALLBACK (thunar_standard_view_drag_drop), object);
  g_signal_connect (G_OBJECT (view), "drag-data-received", G_CALLBACK (thunar_standard_view_drag_data_received), object);
  g_signal_connect (G_OBJECT (view), "drag-leave", G_CALLBACK (thunar_standard_view_drag_leave), object);
  g_signal_connect (G_OBJECT (view), "drag-motion", G_CALLBACK (thunar_standard_view_drag_motion), object);

  /* setup the real view as drag source */
  gtk_drag_source_set (view, GDK_BUTTON1_MASK, drag_targets, G_N_ELEMENTS (drag_targets), GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
  g_signal_connect (G_OBJECT (view), "drag-begin", G_CALLBACK (thunar_standard_view_drag_begin), object);
  g_signal_connect (G_OBJECT (view), "drag-data-get", G_CALLBACK (thunar_standard_view_drag_data_get), object);
  g_signal_connect (G_OBJECT (view), "drag-data-delete", G_CALLBACK (thunar_standard_view_drag_data_delete), object);
  g_signal_connect (G_OBJECT (view), "drag-end", G_CALLBACK (thunar_standard_view_drag_end), object);

  /* connect to scroll events for generating thumbnail requests */
  adjustment = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (standard_view));
  g_signal_connect (adjustment, "value-changed",
                    G_CALLBACK (thunar_standard_view_scrolled), object);
  adjustment = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (standard_view));
  g_signal_connect (adjustment, "value-changed",
                    G_CALLBACK (thunar_standard_view_scrolled), object);

  /* done, we have a working object */
  return object;
}



static void
thunar_standard_view_dispose (GObject *object)
{
  ThunarStandardView *standard_view = THUNAR_STANDARD_VIEW (object);

  /* cancel pending thumbnail sources and requests */
  thunar_standard_view_cancel_thumbnailing (standard_view);

  /* unregister the "loading" binding */
  if (G_UNLIKELY (standard_view->loading_binding != NULL))
    exo_binding_unbind (standard_view->loading_binding);

  /* be sure to cancel any pending drag autoscroll timer */
  if (G_UNLIKELY (standard_view->priv->drag_scroll_timer_id != 0))
    g_source_remove (standard_view->priv->drag_scroll_timer_id);

  /* be sure to cancel any pending drag timer */
  if (G_UNLIKELY (standard_view->priv->drag_timer_id != 0))
    g_source_remove (standard_view->priv->drag_timer_id);

  /* be sure to free any pending drag timer event */
  if (G_UNLIKELY (standard_view->priv->drag_timer_event != NULL))
    {
      gdk_event_free (standard_view->priv->drag_timer_event);
      standard_view->priv->drag_timer_event = NULL;
    }

  /* reset the UI manager property */
  thunar_component_set_ui_manager (THUNAR_COMPONENT (standard_view), NULL);

  /* disconnect from file */
  if (standard_view->priv->current_directory != NULL)
    {
      g_signal_handlers_disconnect_matched (standard_view->priv->current_directory,
                                            G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, standard_view);
      g_object_unref (standard_view->priv->current_directory);
      standard_view->priv->current_directory = NULL;
    }

  (*G_OBJECT_CLASS (thunar_standard_view_parent_class)->dispose) (object);
}



static void
thunar_standard_view_finalize (GObject *object)
{
  ThunarStandardView *standard_view = THUNAR_STANDARD_VIEW (object);

  /* some safety checks */
  _thunar_assert (standard_view->loading_binding == NULL);
  _thunar_assert (standard_view->icon_factory == NULL);
  _thunar_assert (standard_view->ui_manager == NULL);
  _thunar_assert (standard_view->clipboard == NULL);

  /* release the thumbnailer */
  g_signal_handlers_disconnect_by_func (standard_view->priv->thumbnailer, thunar_standard_view_finished_thumbnailing, standard_view);
  g_object_unref (standard_view->priv->thumbnailer);

  /* release the scroll_to_file reference (if any) */
  if (G_UNLIKELY (standard_view->priv->scroll_to_file != NULL))
    g_object_unref (G_OBJECT (standard_view->priv->scroll_to_file));

  /* release the selected_files list (if any) */
  thunar_g_file_list_free (standard_view->priv->selected_files);

  /* release our reference on the provider factory */
  g_object_unref (G_OBJECT (standard_view->priv->provider_factory));

  /* release the drag path list (just in case the drag-end wasn't fired before) */
  thunar_g_file_list_free (standard_view->priv->drag_g_file_list);

  /* release the drop path list (just in case the drag-leave wasn't fired before) */
  thunar_g_file_list_free (standard_view->priv->drop_file_list);

  /* release the history */
  g_object_unref (standard_view->priv->history);

  /* release the reference on the name renderer */
  g_object_unref (G_OBJECT (standard_view->name_renderer));

  /* release the reference on the icon renderer */
  g_object_unref (G_OBJECT (standard_view->icon_renderer));

  /* release the reference on the action group */
  g_object_unref (G_OBJECT (standard_view->action_group));

  /* drop any existing "new-files" closure */
  if (G_UNLIKELY (standard_view->priv->new_files_closure != NULL))
    {
      g_closure_invalidate (standard_view->priv->new_files_closure);
      g_closure_unref (standard_view->priv->new_files_closure);
      standard_view->priv->new_files_closure = NULL;
    }

  /* drop any remaining "new-files" paths */
  thunar_g_file_list_free (standard_view->priv->new_files_path_list);

  /* release our reference on the preferences */