/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ /* fm-directory-view.h * * Copyright (C) 1999, 2000 Free Software Foundaton * Copyright (C) 2000, 2001 Eazel, Inc. * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * * Authors: Ettore Perazzoli * Darin Adler * John Sullivan * Pavel Cisler */ #ifndef FM_DIRECTORY_VIEW_H #define FM_DIRECTORY_VIEW_H #include #include #include #include #include #include #include #include #include #include typedef struct FMDirectoryView FMDirectoryView; typedef struct FMDirectoryViewClass FMDirectoryViewClass; #define FM_TYPE_DIRECTORY_VIEW fm_directory_view_get_type() #define FM_DIRECTORY_VIEW(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), FM_TYPE_DIRECTORY_VIEW, FMDirectoryView)) #define FM_DIRECTORY_VIEW_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), FM_TYPE_DIRECTORY_VIEW, FMDirectoryViewClass)) #define FM_IS_DIRECTORY_VIEW(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), FM_TYPE_DIRECTORY_VIEW)) #define FM_IS_DIRECTORY_VIEW_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), FM_TYPE_DIRECTORY_VIEW)) #define FM_DIRECTORY_VIEW_GET_CLASS(obj) \ (G_TYPE_INSTANCE_GET_CLASS ((obj), FM_TYPE_DIRECTORY_VIEW, FMDirectoryViewClass)) typedef struct FMDirectoryViewDetails FMDirectoryViewDetails; struct FMDirectoryView { GtkScrolledWindow parent; FMDirectoryViewDetails *details; }; struct FMDirectoryViewClass { GtkScrolledWindowClass parent_class; /* The 'clear' signal is emitted to empty the view of its contents. * It must be replaced by each subclass. */ void (* clear) (FMDirectoryView *view); /* The 'begin_file_changes' signal is emitted before a set of files * are added to the view. It can be replaced by a subclass to do any * necessary preparation for a set of new files. The default * implementation does nothing. */ void (* begin_file_changes) (FMDirectoryView *view); /* The 'add_file' signal is emitted to add one file to the view. * It must be replaced by each subclass. */ void (* add_file) (FMDirectoryView *view, NautilusFile *file, NautilusDirectory *directory); void (* remove_file) (FMDirectoryView *view, NautilusFile *file, NautilusDirectory *directory); /* The 'file_changed' signal is emitted to signal a change in a file, * including the file being removed. * It must be replaced by each subclass. */ void (* file_changed) (FMDirectoryView *view, NautilusFile *file, NautilusDirectory *directory); /* The 'end_file_changes' signal is emitted after a set of files * are added to the view. It can be replaced by a subclass to do any * necessary cleanup (typically, cleanup for code in begin_file_changes). * The default implementation does nothing. */ void (* end_file_changes) (FMDirectoryView *view); void (* flush_added_files) (FMDirectoryView *view); /* The 'begin_loading' signal is emitted before any of the contents * of a directory are added to the view. It can be replaced by a * subclass to do any necessary preparation to start dealing with a * new directory. The default implementation does nothing. */ void (* begin_loading) (FMDirectoryView *view); /* The 'end_loading' signal is emitted after all of the contents * of a directory are added to the view. It can be replaced by a * subclass to do any necessary clean-up. The default implementation * does nothing. * * If all_files_seen is true, the handler may assume that * no load error ocurred, and all files of the underlying * directory were loaded. * * Otherwise, end_loading was emitted due to cancellation, * which usually means that not all files are available. */ void (* end_loading) (FMDirectoryView *view, gboolean all_files_seen); /* The 'load_error' signal is emitted when the directory model * reports an error in the process of monitoring the directory's * contents. The load error indicates that the process of * loading the contents has ended, but the directory is still * being monitored. The default implementation handles common * load failures like ACCESS_DENIED. */ void (* load_error) (FMDirectoryView *view, GError *error); /* Function pointers that don't have corresponding signals */ /* reset_to_defaults is a function pointer that subclasses must * override to set sort order, zoom level, etc to match default * values. */ void (* reset_to_defaults) (FMDirectoryView *view); /* get_selection is not a signal; it is just a function pointer for * subclasses to replace (override). Subclasses must replace it * with a function that returns a newly-allocated GList of * NautilusFile pointers. */ GList * (* get_selection) (FMDirectoryView *view); /* get_selection_for_file_transfer is a function pointer for * subclasses to replace (override). Subclasses must replace it * with a function that returns a newly-allocated GList of * NautilusFile pointers. The difference from get_selection is * that any files in the selection that also has a parent folder * in the selection is not included. */ GList * (* get_selection_for_file_transfer)(FMDirectoryView *view); /* select_all is a function pointer that subclasses must override to * select all of the items in the view */ void (* select_all) (FMDirectoryView *view); /* set_selection is a function pointer that subclasses must * override to select the specified items (and unselect all * others). The argument is a list of NautilusFiles. */ void (* set_selection) (FMDirectoryView *view, GList *selection); /* invert_selection is a function pointer that subclasses must * override to invert selection. */ void (* invert_selection) (FMDirectoryView *view); /* Return an array of locations of selected icons in their view. */ GArray * (* get_selected_icon_locations) (FMDirectoryView *view); guint (* get_item_count) (FMDirectoryView *view); /* bump_zoom_level is a function pointer that subclasses must override * to change the zoom level of an object. */ void (* bump_zoom_level) (FMDirectoryView *view, int zoom_increment); /* zoom_to_level is a function pointer that subclasses must override * to set the zoom level of an object to the specified level. */ void (* zoom_to_level) (FMDirectoryView *view, NautilusZoomLevel level); NautilusZoomLevel (* get_zoom_level) (FMDirectoryView *view); /* restore_default_zoom_level is a function pointer that subclasses must override * to restore the zoom level of an object to a default setting. */ void (* restore_default_zoom_level) (FMDirectoryView *view); /* can_zoom_in is a function pointer that subclasses must override to * return whether the view is at maximum size (furthest-in zoom level) */ gboolean (* can_zoom_in) (FMDirectoryView *view); /* can_zoom_out is a function pointer that subclasses must override to * return whether the view is at minimum size (furthest-out zoom level) */ gboolean (* can_zoom_out) (FMDirectoryView *view); /* reveal_selection is a function pointer that subclasses may * override to make sure the selected items are sufficiently * apparent to the user (e.g., scrolled into view). By default, * this does nothing. */ void (* reveal_selection) (FMDirectoryView *view); /* get_background is a function pointer that subclasses must * override to return the EelBackground for this view. */ GtkWidget * (* get_background_widget) (FMDirectoryView *view); /* merge_menus is a function pointer that subclasses can override to * add their own menu items to the window's menu bar. * If overridden, subclasses must call parent class's function. */ void (* merge_menus) (FMDirectoryView *view); void (* unmerge_menus) (FMDirectoryView *view); /* update_menus is a function pointer that subclasses can override to * update the sensitivity or wording of menu items in the menu bar. * It is called (at least) whenever the selection changes. If overridden, * subclasses must call parent class's function. */ void (* update_menus) (FMDirectoryView *view); /* sort_files is a function pointer that subclasses can override * to provide a sorting order to determine which files should be * presented when only a partial list is provided. */ int (* compare_files) (FMDirectoryView *view, NautilusFile *a, NautilusFile *b); /* get_emblem_names_to_exclude is a function pointer that subclasses * may override to specify a set of emblem names that should not * be displayed with each file. By default, all emblems returned by * NautilusFile are displayed. */ char ** (* get_emblem_names_to_exclude) (FMDirectoryView *view); /* file_limit_reached is a function pointer that subclasses may * override to control what happens when a directory is loaded * that has more files than Nautilus can handle. The default * implmentation puts up a dialog box that is appropriate to * display when the user explicitly tried to visit a location that * they would think of as a normal directory. */ void (* file_limit_reached) (FMDirectoryView *view); /* supports_properties is a function pointer that subclasses may * override to control whether the "Show Properties" menu item * should be enabled for selected items. The default implementation * returns TRUE. */ gboolean (* supports_properties) (FMDirectoryView *view); /* supports_zooming is a function pointer that subclasses may * override to control whether or not the zooming control and * menu items should be enabled. The default implementation * returns TRUE. */ gboolean (* supports_zooming) (FMDirectoryView *view); /* using_manual_layout is a function pointer that subclasses may * override to control whether or not items can be freely positioned * on the user-visible area. * Note that this value is not guaranteed to be constant within the * view's lifecycle. */ gboolean (* using_manual_layout) (FMDirectoryView *view); /* is_read_only is a function pointer that subclasses may * override to control whether or not the user is allowed to * change the contents of the currently viewed directory. The * default implementation checks the permissions of the * directory. */ gboolean (* is_read_only) (FMDirectoryView *view); /* is_empty is a function pointer that subclasses must * override to report whether the view contains any items. */ gboolean (* is_empty) (FMDirectoryView *view); /* supports_creating_files is a function pointer that subclasses may * override to control whether or not new items can be created. * be accepted. The default implementation checks whether the * user has write permissions for the viewed directory, and whether * the viewed directory is in the trash. */ gboolean (* supports_creating_files) (FMDirectoryView *view); /* accepts_dragged_files is a function pointer that subclasses may * override to control whether or not files can be dropped in this * location. The default implementation returns TRUE. */ gboolean (* accepts_dragged_files) (FMDirectoryView *view); gboolean (* can_rename_file) (FMDirectoryView *view, NautilusFile *file); /* select_all specifies whether the whole filename should be selected * or only its basename (i.e. everything except the extension) * */ void (* start_renaming_file) (FMDirectoryView *view, NautilusFile *file, gboolean select_all); gboolean (* file_still_belongs) (FMDirectoryView *view, NautilusFile *file, NautilusDirectory *directory); /* convert *point from widget's coordinate system to a coordinate * system used for specifying file operation positions, which is view-specific. * * This is used by the the icon view, which converts the screen position to a zoom * level-independent coordinate system. */ void (* widget_to_file_operation_position) (FMDirectoryView *view, GdkPoint *position); /* Preference change callbacks, overriden by icon and list views. * Icon and list views respond by synchronizing to the new preference * values and forcing an update if appropriate. */ void (* text_attribute_names_changed) (FMDirectoryView *view); void (* embedded_text_policy_changed) (FMDirectoryView *view); void (* image_display_policy_changed) (FMDirectoryView *view); void (* click_policy_changed) (FMDirectoryView *view); void (* sort_directories_first_changed) (FMDirectoryView *view); void (* emblems_changed) (FMDirectoryView *view); void (* set_is_active) (FMDirectoryView *view, gboolean is_active); /* Signals used only for keybindings */ gboolean (* trash) (FMDirectoryView *view); gboolean (* delete) (FMDirectoryView *view); }; /* GObject support */ GType fm_directory_view_get_type (void); /* Functions callable from the user interface and elsewhere. */ NautilusWindowInfo *fm_directory_view_get_nautilus_window (FMDirectoryView *view); NautilusWindowSlotInfo *fm_directory_view_get_nautilus_window_slot (FMDirectoryView *view); char * fm_directory_view_get_uri (FMDirectoryView *view); char * fm_directory_view_get_backing_uri (FMDirectoryView *view); gboolean fm_directory_view_can_accept_item (NautilusFile *target_item, const char *item_uri, FMDirectoryView *view); void fm_directory_view_display_selection_info (FMDirectoryView *view); GList * fm_directory_view_get_selection (FMDirectoryView *view); GList * fm_directory_view_get_selection_for_file_transfer (FMDirectoryView *view); void fm_directory_view_invert_selection (FMDirectoryView *view); void fm_directory_view_stop (FMDirectoryView *view); guint fm_directory_view_get_item_count (FMDirectoryView *view); gboolean fm_directory_view_can_zoom_in (FMDirectoryView *view); gboolean fm_directory_view_can_zoom_out (FMDirectoryView *view); GtkWidget * fm_directory_view_get_background_widget (FMDirectoryView *view); void fm_directory_view_bump_zoom_level (FMDirectoryView *view, int zoom_increment); void fm_directory_view_zoom_to_level (FMDirectoryView *view, NautilusZoomLevel zoom_level); NautilusZoomLevel fm_directory_view_get_zoom_level (FMDirectoryView *view); void fm_directory_view_restore_default_zoom_level (FMDirectoryView *view); void fm_directory_view_reset_to_defaults (FMDirectoryView *view); void fm_directory_view_select_all (FMDirectoryView *view); void fm_directory_view_set_selection (FMDirectoryView *view, GList *selection); GArray * fm_directory_view_get_selected_icon_locations (FMDirectoryView *view); void fm_directory_view_reveal_selection (FMDirectoryView *view); gboolean fm_directory_view_is_empty (FMDirectoryView *view); gboolean fm_directory_view_is_read_only (FMDirectoryView *view); gboolean fm_directory_view_supports_creating_files (FMDirectoryView *view); gboolean fm_directory_view_accepts_dragged_files (FMDirectoryView *view); gboolean fm_directory_view_supports_properties (FMDirectoryView *view); gboolean fm_directory_view_supports_zooming (FMDirectoryView *view); gboolean fm_directory_view_using_manual_layout (FMDirectoryView *view); void fm_directory_view_move_copy_items (const GList *item_uris, GArray *relative_item_points, const char *target_uri, int copy_action, int x, int y, FMDirectoryView *view); GdkAtom fm_directory_view_get_copied_files_atom (FMDirectoryView *view); gboolean fm_directory_view_get_active (FMDirectoryView *view); /* Wrappers for signal emitters. These are normally called * only by FMDirectoryView itself. They have corresponding signals * that observers might want to connect with. */ void fm_directory_view_clear (FMDirectoryView *view); void fm_directory_view_begin_loading (FMDirectoryView *view); void fm_directory_view_end_loading (FMDirectoryView *view, gboolean all_files_seen); gboolean fm_directory_view_get_loading (FMDirectoryView *view); /* Hooks for subclasses to call. These are normally called only by * FMDirectoryView and its subclasses */ void fm_directory_view_activate_files (FMDirectoryView *view, GList *files, NautilusWindowOpenMode mode, NautilusWindowOpenFlags flags, gboolean confirm_multiple); void fm_directory_view_activate_file (FMDirectoryView *view, NautilusFile *file, NautilusWindowOpenMode mode, NautilusWindowOpenFlags flags); void fm_directory_view_start_batching_selection_changes (FMDirectoryView *view); void fm_directory_view_stop_batching_selection_changes (FMDirectoryView *view); void fm_directory_view_queue_file_change (FMDirectoryView *view, NautilusFile *file); void fm_directory_view_notify_selection_changed (FMDirectoryView *view); GtkUIManager * fm_directory_view_get_ui_manager (FMDirectoryView *view); char ** fm_directory_view_get_emblem_names_to_exclude (FMDirectoryView *view); NautilusDirectory *fm_directory_view_get_model (FMDirectoryView *view); GtkWindow *fm_directory_view_get_containing_window (FMDirectoryView *view); NautilusFile *fm_directory_view_get_directory_as_file (FMDirectoryView *view); EelBackground * fm_directory_view_get_background (FMDirectoryView *view); gboolean fm_directory_view_get_allow_moves (FMDirectoryView *view); void fm_directory_view_pop_up_background_context_menu (FMDirectoryView *view, GdkEventButton *event); void fm_directory_view_pop_up_selection_context_menu (FMDirectoryView *view, GdkEventButton *event); void fm_directory_view_pop_up_location_context_menu (FMDirectoryView *view, GdkEventButton *event, const char *location); void fm_directory_view_send_selection_change (FMDirectoryView *view); gboolean fm_directory_view_should_show_file (FMDirectoryView *view, NautilusFile *file); gboolean fm_directory_view_should_sort_directories_first (FMDirectoryView *view); void fm_directory_view_update_menus (FMDirectoryView *view); void fm_directory_view_new_folder (FMDirectoryView *view); void fm_directory_view_new_file (FMDirectoryView *view, const char *parent_uri, NautilusFile *source); void fm_directory_view_ignore_hidden_file_preferences (FMDirectoryView *view); void fm_directory_view_set_show_foreign (FMDirectoryView *view, gboolean show_foreign); void fm_directory_view_init_view_iface (NautilusViewIface *iface); gboolean fm_directory_view_handle_scroll_event (FMDirectoryView *view, GdkEventScroll *event); void fm_directory_view_handle_netscape_url_drop (FMDirectoryView *view, const char *encoded_url, const char *target_uri, GdkDragAction action, int x, int y); void fm_directory_view_handle_uri_list_drop (FMDirectoryView *view, const char *item_uris, const char *target_uri, GdkDragAction action, int x, int y); void fm_directory_view_handle_text_drop (FMDirectoryView *view, const char *text, const char *target_uri, GdkDragAction action, int x, int y); void fm_directory_view_handle_raw_drop (FMDirectoryView *view, const char *raw_data, int length, const char *target_uri, const char *direct_save_uri, GdkDragAction action, int x, int y); void fm_directory_view_freeze_updates (FMDirectoryView *view); void fm_directory_view_unfreeze_updates (FMDirectoryView *view); void fm_directory_view_add_subdirectory (FMDirectoryView *view, NautilusDirectory*directory); void fm_directory_view_remove_subdirectory (FMDirectoryView *view, NautilusDirectory*directory); gboolean fm_directory_view_is_editable (FMDirectoryView *view); void fm_directory_view_set_initiated_unmount (FMDirectoryView *view, gboolean inititated_unmount); /* operations affecting two directory views */ void fm_directory_view_move_copy_items_between_views (FMDirectoryView *source, FMDirectoryView *target, gboolean copy); #endif /* FM_DIRECTORY_VIEW_H */