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/* GTK - The GIMP Toolkit
* gtkfilechooserprivate.h: Interface definition for file selector GUIs
* Copyright (C) 2003, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/

#ifndef __GTK_FILE_CHOOSER_PRIVATE_H__
#define __GTK_FILE_CHOOSER_PRIVATE_H__

#include "gtkfilechooser.h"
#include "gtkfilesystem.h"
#include "gtkfilesystemmodel.h"
#include "gtkliststore.h"
#include "gtkrecentmanager.h"
#include "gtksearchengine.h"
#include "gtkquery.h"
#include "gtksizegroup.h"
#include "gtktreemodelsort.h"
#include "gtktreestore.h"
#include "gtktreeview.h"
#include "gtkbox.h"

G_BEGIN_DECLS

#define GTK_FILE_CHOOSER_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GTK_TYPE_FILE_CHOOSER, GtkFileChooserIface))

typedef struct _GtkFileChooserIface GtkFileChooserIface;

struct _GtkFileChooserIface
{
  GTypeInterface base_iface;

  /* Methods
*/
  gboolean (*set_current_folder) (GtkFileChooser *chooser,
GFile *file,
GError **error);
  GFile * (*get_current_folder) (GtkFileChooser *chooser);
  void (*set_current_name) (GtkFileChooser *chooser,
const gchar *name);
  gboolean (*select_file) (GtkFileChooser *chooser,
GFile *file,
GError **error);
  void (*unselect_file) (GtkFileChooser *chooser,
GFile *file);
  void (*select_all) (GtkFileChooser *chooser);
  void (*unselect_all) (GtkFileChooser *chooser);
  GSList * (*get_files) (GtkFileChooser *chooser);
  GFile * (*get_preview_file) (GtkFileChooser *chooser);
  GtkFileSystem *(*get_file_system) (GtkFileChooser *chooser);
  void (*add_filter) (GtkFileChooser *chooser,
GtkFileFilter *filter);
  void (*remove_filter) (GtkFileChooser *chooser,
GtkFileFilter *filter);
  GSList * (*list_filters) (GtkFileChooser *chooser);
  gboolean (*add_shortcut_folder) (GtkFileChooser *chooser,
GFile *file,
GError **error);
  gboolean (*remove_shortcut_folder) (GtkFileChooser *chooser,
GFile *file,
GError **error);
  GSList * (*list_shortcut_folders) (GtkFileChooser *chooser);
  
  /* Signals
*/
  void (*current_folder_changed) (GtkFileChooser *chooser);
  void (*selection_changed) (GtkFileChooser *chooser);
  void (*update_preview) (GtkFileChooser *chooser);
  void (*file_activated) (GtkFileChooser *chooser);
  GtkFileChooserConfirmation (*confirm_overwrite) (GtkFileChooser *chooser);
};

GtkFileSystem *_gtk_file_chooser_get_file_system (GtkFileChooser *chooser);
gboolean _gtk_file_chooser_set_current_folder_file (GtkFileChooser *chooser,
GFile *file,
GError **error);
GFile * _gtk_file_chooser_get_current_folder_file (GtkFileChooser *chooser);
gboolean _gtk_file_chooser_select_file (GtkFileChooser *chooser,
GFile *file,
GError **error);
void _gtk_file_chooser_unselect_file (GtkFileChooser *chooser,
GFile *file);
GSList * _gtk_file_chooser_get_files (GtkFileChooser *chooser);
GFile * _gtk_file_chooser_get_preview_file (GtkFileChooser *chooser);
gboolean _gtk_file_chooser_add_shortcut_folder (GtkFileChooser *chooser,
GFile *folder,
GError **error);
gboolean _gtk_file_chooser_remove_shortcut_folder (GtkFileChooser *chooser,
GFile *folder,
GError **error);
GSList * _gtk_file_chooser_list_shortcut_folder_files (GtkFileChooser *chooser);

/* GtkFileChooserDialog private */

struct _GtkFileChooserDialogPrivate
{
  GtkWidget *widget;
  
  char *file_system;

  /* for use with GtkFileChooserEmbed */
  gboolean response_requested;
};


/* GtkFileChooserWidget private */

struct _GtkFileChooserWidgetPrivate
{
  GtkWidget *impl;

  char *file_system;
};


/* GtkFileChooserDefault private */

typedef enum {
  LOAD_EMPTY, /* There is no model */
  LOAD_PRELOAD, /* Model is loading and a timer is running; model isn't inserted into the tree yet */
  LOAD_LOADING, /* Timeout expired, model is inserted into the tree, but not fully loaded yet */
  LOAD_FINISHED /* Model is fully loaded and inserted into the tree */
} LoadState;

typedef enum {
  RELOAD_EMPTY, /* No folder has been set */
  RELOAD_HAS_FOLDER /* We have a folder, although it may not be completely loaded yet; no need to reload */
} ReloadState;

typedef enum {
  LOCATION_MODE_PATH_BAR,
  LOCATION_MODE_FILENAME_ENTRY
} LocationMode;

typedef enum {
  OPERATION_MODE_BROWSE,
  OPERATION_MODE_SEARCH,
  OPERATION_MODE_RECENT
} OperationMode;

struct _GtkFileChooserDefault
{
  GtkBox parent_instance;

  GtkFileChooserAction action;

  GtkFileSystem *file_system;

  /* Save mode widgets */
  GtkWidget *save_widgets;
  GtkWidget *save_widgets_table;

  GtkWidget *save_folder_label;

  /* The file browsing widgets */
  GtkWidget *browse_widgets_box;
  GtkWidget *browse_header_box;
  GtkWidget *browse_shortcuts_tree_view;
  GtkWidget *browse_shortcuts_add_button;
  GtkWidget *browse_shortcuts_remove_button;
  GtkWidget *browse_shortcuts_popup_menu;
  GtkWidget *browse_shortcuts_popup_menu_remove_item;
  GtkWidget *browse_shortcuts_popup_menu_rename_item;
  GtkWidget *browse_files_tree_view;
  GtkWidget *browse_files_popup_menu;
  GtkWidget *browse_files_popup_menu_add_shortcut_item;
  GtkWidget *browse_files_popup_menu_hidden_files_item;
  GtkWidget *browse_files_popup_menu_size_column_item;
  GtkWidget *browse_new_folder_button;
  GtkWidget *browse_path_bar_hbox;
  GtkSizeGroup *browse_path_bar_size_group;
  GtkWidget *browse_path_bar;
  GtkWidget *browse_special_mode_icon;
  GtkWidget *browse_special_mode_label;
  GtkWidget *browse_select_a_folder_info_bar;
  GtkWidget *browse_select_a_folder_label;
  GtkWidget *browse_select_a_folder_icon;

  GtkFileSystemModel *browse_files_model;
  char *browse_files_last_selected_name;

  /* OPERATION_MODE_SEARCH */
  GtkWidget *search_hbox;
  GtkWidget *search_entry;
  GtkSearchEngine *search_engine;
  GtkQuery *search_query;
  GtkFileSystemModel *search_model;

  /* OPERATION_MODE_RECENT */
  GtkRecentManager *recent_manager;
  GtkFileSystemModel *recent_model;
  guint load_recent_id;

  GtkWidget *filter_combo_hbox;
  GtkWidget *filter_combo;
  GtkWidget *preview_box;
  GtkWidget *preview_label;
  GtkWidget *preview_widget;
  GtkWidget *extra_align;
  GtkWidget *extra_widget;

  GtkWidget *location_button;
  GtkWidget *location_entry_box;
  GtkWidget *location_label;
  GtkWidget *location_entry;
  LocationMode location_mode;

  GtkListStore *shortcuts_model;

  /* Filter for the shortcuts pane. We filter out the "current folder" row and
* the separator that we use for the "Save in folder" combo.
*/
  GtkTreeModel *shortcuts_pane_filter_model;
  
  /* Handles */
  GSList *loading_shortcuts;
  GSList *reload_icon_cancellables;
  GCancellable *file_list_drag_data_received_cancellable;
  GCancellable *update_current_folder_cancellable;
  GCancellable *should_respond_get_info_cancellable;
  GCancellable *file_exists_get_info_cancellable;
  GCancellable *update_from_entry_cancellable;
  GCancellable *shortcuts_activate_iter_cancellable;
  GSList *pending_cancellables;

  LoadState load_state;
  ReloadState reload_state;
  guint load_timeout_id;

  OperationMode operation_mode;

  GSList *pending_select_files;

  GtkFileFilter *current_filter;
  GSList *filters;

  int num_volumes;
  int num_shortcuts;
  int num_bookmarks;

  gulong volumes_changed_id;
  gulong bookmarks_changed_id;

  GFile *current_volume_file;
  GFile *current_folder;
  GFile *preview_file;
  char *preview_display_name;

  GtkTreeViewColumn *list_name_column;
  GtkCellRenderer *list_name_renderer;
  GtkTreeViewColumn *list_mtime_column;
  GtkTreeViewColumn *list_size_column;

  GSource *edited_idle;
  char *edited_new_text;

  gulong settings_signal_id;
  int icon_size;

  GSource *focus_entry_idle;

  gulong toplevel_set_focus_id;
  GtkWidget *toplevel_last_focus_widget;

  gint sort_column;
  GtkSortType sort_order;

  GSettings *settings;

#if 0
  GdkDragContext *shortcuts_drag_context;
  GSource *shortcuts_drag_outside_idle;
#endif

  /* Flags */

  guint local_only : 1;
  guint preview_widget_active : 1;
  guint use_preview_label : 1;
  guint select_multiple : 1;
  guint show_hidden : 1;
  guint do_overwrite_confirmation : 1;
  guint list_sort_ascending : 1;
  guint changing_folder : 1;
  guint shortcuts_current_folder_active : 1;
  guint has_home : 1;
  guint has_desktop : 1;
  guint has_search : 1;
  guint show_size_column : 1;
  guint create_folders : 1;

#if 0
  guint shortcuts_drag_outside : 1;
#endif
};


G_END_DECLS

#endif /* __GTK_FILE_CHOOSER_PRIVATE_H__ */
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