/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * 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. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include "config.h" #include #include #include #ifdef HAVE_SYS_PARAM_H #include #endif #include #ifdef HAVE_UNISTD_H #include #endif #include #include #ifdef HAVE_PWD_H #include #endif #include /* Include early to get G_OS_WIN32 etc */ #if defined(G_PLATFORM_WIN32) #include #define STRICT #include #undef STRICT #endif /* G_PLATFORM_WIN32 */ #ifdef G_OS_WIN32 #include /* For gethostname */ #endif #include "gdk/gdkkeysyms.h" #include "gtkbutton.h" #include "gtkcellrenderertext.h" #include "gtkentry.h" #include "gtkfilesel.h" #include "gtkhbox.h" #include "gtkhbbox.h" #include "gtkintl.h" #include "gtklabel.h" #include "gtkliststore.h" #include "gtkmain.h" #include "gtkprivate.h" #include "gtkscrolledwindow.h" #include "gtkstock.h" #include "gtktreeselection.h" #include "gtktreeview.h" #include "gtkvbox.h" #include "gtkmenu.h" #include "gtkmenuitem.h" #include "gtkdialog.h" #include "gtkmessagedialog.h" #include "gtkdnd.h" #include "gtkeventbox.h" #undef GTK_DISABLE_DEPRECATED #include "gtkoptionmenu.h" #define GTK_DISABLE_DEPRECATED #define WANT_HPANED 1 #include "gtkhpaned.h" #ifdef G_OS_WIN32 #include #include #define mkdir(p,m) _mkdir(p) #ifndef S_ISDIR #define S_ISDIR(mode) ((mode)&_S_IFDIR) #endif #endif /* G_OS_WIN32 */ #ifdef G_WITH_CYGWIN #include /* For cygwin_conv_to_posix_path */ #endif #define DIR_LIST_WIDTH 180 #define DIR_LIST_HEIGHT 180 #define FILE_LIST_WIDTH 180 #define FILE_LIST_HEIGHT 180 /* The Hurd doesn't define either PATH_MAX or MAXPATHLEN, so we put this * in here, since the rest of the code in the file does require some * fixed maximum. */ #ifndef MAXPATHLEN # ifdef PATH_MAX # define MAXPATHLEN PATH_MAX # else # define MAXPATHLEN 2048 # endif #endif /* I've put this here so it doesn't get confused with the * file completion interface */ typedef struct _HistoryCallbackArg HistoryCallbackArg; struct _HistoryCallbackArg { gchar *directory; GtkWidget *menu_item; }; typedef struct _CompletionState CompletionState; typedef struct _CompletionDir CompletionDir; typedef struct _CompletionDirSent CompletionDirSent; typedef struct _CompletionDirEntry CompletionDirEntry; typedef struct _CompletionUserDir CompletionUserDir; typedef struct _PossibleCompletion PossibleCompletion; /* Non-external file completion decls and structures */ /* A contant telling PRCS how many directories to cache. Its actually * kept in a list, so the geometry isn't important. */ #define CMPL_DIRECTORY_CACHE_SIZE 10 /* A constant used to determine whether a substring was an exact * match by first_diff_index() */ #define PATTERN_MATCH -1 #define CMPL_ERRNO_TOO_LONG ((1<<16)-1) #define CMPL_ERRNO_DID_NOT_CONVERT ((1<<16)-2) /* This structure contains all the useful information about a directory * for the purposes of filename completion. These structures are cached * in the CompletionState struct. CompletionDir's are reference counted. */ struct _CompletionDirSent { #ifndef G_PLATFORM_WIN32 ino_t inode; time_t mtime; dev_t device; #endif gint entry_count; struct _CompletionDirEntry *entries; }; struct _CompletionDir { CompletionDirSent *sent; gchar *fullname; gint fullname_len; struct _CompletionDir *cmpl_parent; gint cmpl_index; gchar *cmpl_text; }; /* This structure contains pairs of directory entry names with a flag saying * whether or not they are a valid directory. NOTE: This information is used * to provide the caller with information about whether to update its completions * or try to open a file. Since directories are cached by the directory mtime, * a symlink which points to an invalid file (which will not be a directory), * will not be reevaluated if that file is created, unless the containing * directory is touched. I consider this case to be worth ignoring (josh). */ struct _CompletionDirEntry { gboolean is_dir; gchar *entry_name; gchar *sort_key; }; struct _CompletionUserDir { gchar *login; gchar *homedir; }; struct _PossibleCompletion { /* accessible fields, all are accessed externally by functions * declared above */ gchar *text; gint is_a_completion; gboolean is_directory; /* Private fields */ gint text_alloc; }; struct _CompletionState { gint last_valid_char; gchar *updated_text; gint updated_text_len; gint updated_text_alloc; gboolean re_complete; gchar *user_dir_name_buffer; gint user_directories_len; gchar *last_completion_text; gint user_completion_index; /* if >= 0, currently completing ~user */ struct _CompletionDir *completion_dir; /* directory completing from */ struct _CompletionDir *active_completion_dir; struct _PossibleCompletion the_completion; struct _CompletionDir *reference_dir; /* initial directory */ GList* directory_storage; GList* directory_sent_storage; struct _CompletionUserDir *user_directories; }; enum { PROP_0, PROP_SHOW_FILEOPS, PROP_FILENAME, PROP_SELECT_MULTIPLE }; enum { DIR_COLUMN }; enum { FILE_COLUMN }; /* File completion functions which would be external, were they used * outside of this file. */ static CompletionState* cmpl_init_state (void); static void cmpl_free_state (CompletionState *cmpl_state); static gint cmpl_state_okay (CompletionState* cmpl_state); static const gchar* cmpl_strerror (gint); static PossibleCompletion* cmpl_completion_matches(gchar *text_to_complete, gchar **remaining_text, CompletionState *cmpl_state); /* Returns a name for consideration, possibly a completion, this name * will be invalid after the next call to cmpl_next_completion. */ static char* cmpl_this_completion (PossibleCompletion*); /* True if this completion matches the given text. Otherwise, this * output can be used to have a list of non-completions. */ static gint cmpl_is_a_completion (PossibleCompletion*); /* True if the completion is a directory */ static gboolean cmpl_is_directory (PossibleCompletion*); /* Obtains the next completion, or NULL */ static PossibleCompletion* cmpl_next_completion (CompletionState*); /* Updating completions: the return value of cmpl_updated_text() will * be text_to_complete completed as much as possible after the most * recent call to cmpl_completion_matches. For the present * application, this is the suggested replacement for the user's input * string. You must CALL THIS AFTER ALL cmpl_text_completions have * been received. */ static gchar* cmpl_updated_text (CompletionState* cmpl_state); /* After updating, to see if the completion was a directory, call * this. If it was, you should consider re-calling completion_matches. */ static gboolean cmpl_updated_dir (CompletionState* cmpl_state); /* Current location: if using file completion, return the current * directory, from which file completion begins. More specifically, * the cwd concatenated with all exact completions up to the last * directory delimiter('/'). */ static gchar* cmpl_reference_position (CompletionState* cmpl_state); #if 0 /* This doesn't work currently and would require changes * to fnmatch.c to get working. */ /* backing up: if cmpl_completion_matches returns NULL, you may query * the index of the last completable character into cmpl_updated_text. */ static gint cmpl_last_valid_char (CompletionState* cmpl_state); #endif /* When the user selects a non-directory, call cmpl_completion_fullname * to get the full name of the selected file. */ static gchar* cmpl_completion_fullname (const gchar*, CompletionState* cmpl_state); /* Directory operations. */ static CompletionDir* open_ref_dir (gchar* text_to_complete, gchar** remaining_text, CompletionState* cmpl_state); #ifndef G_PLATFORM_WIN32 static gboolean check_dir (gchar *dir_name, struct stat *result, gboolean *stat_subdirs); #endif static CompletionDir* open_dir (gchar* dir_name, CompletionState* cmpl_state); #ifdef HAVE_PWD_H static CompletionDir* open_user_dir (const gchar* text_to_complete, CompletionState *cmpl_state); #endif static CompletionDir* open_relative_dir (gchar* dir_name, CompletionDir* dir, CompletionState *cmpl_state); static CompletionDirSent* open_new_dir (gchar* dir_name, struct stat* sbuf, gboolean stat_subdirs); static gint correct_dir_fullname (CompletionDir* cmpl_dir); static gint correct_parent (CompletionDir* cmpl_dir, struct stat *sbuf); #ifndef G_PLATFORM_WIN32 static gchar* find_parent_dir_fullname (gchar* dirname); #endif static CompletionDir* attach_dir (CompletionDirSent* sent, gchar* dir_name, CompletionState *cmpl_state); static void free_dir_sent (CompletionDirSent* sent); static void free_dir (CompletionDir *dir); static void prune_memory_usage(CompletionState *cmpl_state); /* Completion operations */ #ifdef HAVE_PWD_H static PossibleCompletion* attempt_homedir_completion(gchar* text_to_complete, CompletionState *cmpl_state); #endif static PossibleCompletion* attempt_file_completion(CompletionState *cmpl_state); static CompletionDir* find_completion_dir(gchar* text_to_complete, gchar** remaining_text, CompletionState* cmpl_state); static PossibleCompletion* append_completion_text(gchar* text, CompletionState* cmpl_state); #ifdef HAVE_PWD_H static gint get_pwdb(CompletionState* cmpl_state); static gint compare_user_dir(const void* a, const void* b); #endif static gint first_diff_index(gchar* pat, gchar* text); static gint compare_cmpl_dir(const void* a, const void* b); static void update_cmpl(PossibleCompletion* poss, CompletionState* cmpl_state); static void gtk_file_selection_class_init (GtkFileSelectionClass *klass); static void gtk_file_selection_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_file_selection_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gtk_file_selection_init (GtkFileSelection *filesel); static void gtk_file_selection_finalize (GObject *object); static void gtk_file_selection_destroy (GtkObject *object); static void gtk_file_selection_map (GtkWidget *widget); static gint gtk_file_selection_key_press (GtkWidget *widget, GdkEventKey *event, gpointer user_data); static gint gtk_file_selection_insert_text (GtkWidget *widget, const gchar *new_text, gint new_text_length, gint *position, gpointer user_data); static void gtk_file_selection_update_fileops (GtkFileSelection *filesel); static void gtk_file_selection_file_activate (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, gpointer user_data); static void gtk_file_selection_file_changed (GtkTreeSelection *selection, gpointer user_data); static void gtk_file_selection_dir_activate (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, gpointer user_data); static void gtk_file_selection_populate (GtkFileSelection *fs, gchar *rel_path, gboolean try_complete, gboolean reset_entry); static void gtk_file_selection_abort (GtkFileSelection *fs); static void gtk_file_selection_update_history_menu (GtkFileSelection *fs, gchar *current_dir); static void gtk_file_selection_create_dir (GtkWidget *widget, gpointer data); static void gtk_file_selection_delete_file (GtkWidget *widget, gpointer data); static void gtk_file_selection_rename_file (GtkWidget *widget, gpointer data); static void free_selected_names (GPtrArray *names); #ifndef G_PLATFORM_WIN32 #define compare_utf8_filenames(a, b) strcmp(a, b) #define compare_sys_filenames(a, b) strcmp(a, b) #else static gint compare_utf8_filenames (const gchar *a, const gchar *b) { gchar *a_folded, *b_folded; gint retval; a_folded = g_utf8_strdown (a, -1); b_folded = g_utf8_strdown (b, -1); retval = strcmp (a_folded, b_folded); g_free (a_folded); g_free (b_folded); return retval; } static gint compare_sys_filenames (const gchar *a, const gchar *b) { gchar *a_utf8, *b_utf8; gint retval; a_utf8 = g_filename_to_utf8 (a, -1, NULL, NULL, NULL); b_utf8 = g_filename_to_utf8 (b, -1, NULL, NULL, NULL); retval = compare_utf8_filenames (a_utf8, b_utf8); g_free (a_utf8); g_free (b_utf8); return retval; } #endif static GtkWindowClass *parent_class = NULL; /* Saves errno when something cmpl does fails. */ static gint cmpl_errno; #ifdef G_WITH_CYGWIN /* * Take the path currently in the file selection * entry field and translate as necessary from * a Win32 style to Cygwin style path. For * instance translate: * x:\somepath\file.jpg * to: * /cygdrive/x/somepath/file.jpg * * Replace the path in the selection text field. * Return a boolean value concerning whether a * translation had to be made. */ static int translate_win32_path (GtkFileSelection *filesel) { int updated = 0; const gchar *path; gchar newPath[MAX_PATH]; /* * Retrieve the current path */ path = gtk_entry_get_text (GTK_ENTRY (filesel->selection_entry)); cygwin_conv_to_posix_path (path, newPath); updated = (strcmp (path, newPath) != 0); if (updated) gtk_entry_set_text (GTK_ENTRY (filesel->selection_entry), newPath); return updated; } #endif GType gtk_file_selection_get_type (void) { static GType file_selection_type = 0; if (!file_selection_type) { static const GTypeInfo filesel_info = { sizeof (GtkFileSelectionClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gtk_file_selection_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GtkFileSelection), 0, /* n_preallocs */ (GInstanceInitFunc) gtk_file_selection_init, }; file_selection_type = g_type_register_static (GTK_TYPE_DIALOG, "GtkFileSelection", &filesel_info, 0); } return file_selection_type; } static void gtk_file_selection_class_init (GtkFileSelectionClass *class) { GObjectClass *gobject_class; GtkObjectClass *object_class; GtkWidgetClass *widget_class; gobject_class = (GObjectClass*) class; object_class = (GtkObjectClass*) class; widget_class = (GtkWidgetClass*) class; parent_class = g_type_class_peek_parent (class); gobject_class->finalize = gtk_file_selection_finalize; gobject_class->set_property = gtk_file_selection_set_property; gobject_class->get_property = gtk_file_selection_get_property; g_object_class_install_property (gobject_class, PROP_FILENAME, g_param_spec_string ("filename", _("Filename"), _("The currently selected filename"), NULL, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (gobject_class, PROP_SHOW_FILEOPS, g_param_spec_boolean ("show_fileops", _("Show file operations"), _("Whether buttons for creating/manipulating files should be displayed"), FALSE, G_PARAM_READABLE | G_PARAM_WRITABLE)); g_object_class_install_property (gobject_class, PROP_SELECT_MULTIPLE, g_param_spec_boolean ("select_multiple", _("Select multiple"), _("Whether to allow multiple files to be selected"), FALSE, G_PARAM_READABLE | G_PARAM_WRITABLE)); object_class->destroy = gtk_file_selection_destroy; widget_class->map = gtk_file_selection_map; } static void gtk_file_selection_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkFileSelection *filesel; filesel = GTK_FILE_SELECTION (object); switch (prop_id) { case PROP_FILENAME: gtk_file_selection_set_filename (filesel, g_value_get_string (value)); break; case PROP_SHOW_FILEOPS: if (g_value_get_boolean (value)) gtk_file_selection_show_fileop_buttons (filesel); else gtk_file_selection_hide_fileop_buttons (filesel); break; case PROP_SELECT_MULTIPLE: gtk_file_selection_set_select_multiple (filesel, g_value_get_boolean (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_file_selection_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkFileSelection *filesel; filesel = GTK_FILE_SELECTION (object); switch (prop_id) { case PROP_FILENAME: g_value_set_string (value, gtk_file_selection_get_filename(filesel)); break; case PROP_SHOW_FILEOPS: /* This is a little bit hacky, but doing otherwise would require * adding a field to the object. */ g_value_set_boolean (value, (filesel->fileop_c_dir && filesel->fileop_del_file && filesel->fileop_ren_file)); break; case PROP_SELECT_MULTIPLE: g_value_set_boolean (value, gtk_file_selection_get_select_multiple (filesel)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static gboolean grab_default (GtkWidget *widget) { gtk_widget_grab_default (widget); return FALSE; } static void gtk_file_selection_init (GtkFileSelection *filesel) { GtkWidget *entry_vbox; GtkWidget *label; GtkWidget *list_hbox, *list_container; GtkWidget *confirm_area; GtkWidget *pulldown_hbox; GtkWidget *scrolled_win; GtkWidget *eventbox; GtkWidget *spacer; GtkDialog *dialog; GtkListStore *model; GtkTreeViewColumn *column; gtk_widget_push_composite_child (); dialog = GTK_DIALOG (filesel); filesel->cmpl_state = cmpl_init_state (); /* The dialog-sized vertical box */ filesel->main_vbox = dialog->vbox; gtk_container_set_border_width (GTK_CONTAINER (filesel), 10); /* The horizontal box containing create, rename etc. buttons */ filesel->button_area = gtk_hbutton_box_new (); gtk_button_box_set_layout (GTK_BUTTON_BOX (filesel->button_area), GTK_BUTTONBOX_START); gtk_box_set_spacing (GTK_BOX (filesel->button_area), 0); gtk_box_pack_start (GTK_BOX (filesel->main_vbox), filesel->button_area, FALSE, FALSE, 0); gtk_widget_show (filesel->button_area); gtk_file_selection_show_fileop_buttons (filesel); /* hbox for pulldown menu */ pulldown_hbox = gtk_hbox_new (TRUE, 5); gtk_box_pack_start (GTK_BOX (filesel->main_vbox), pulldown_hbox, FALSE, FALSE, 0); gtk_widget_show (pulldown_hbox); /* Pulldown menu */ filesel->history_pulldown = gtk_option_menu_new (); gtk_widget_show (filesel->history_pulldown); gtk_box_pack_start (GTK_BOX (pulldown_hbox), filesel->history_pulldown, FALSE, FALSE, 0); /* The horizontal box containing the directory and file listboxes */ spacer = gtk_hbox_new (FALSE, 0); gtk_widget_set_size_request (spacer, -1, 5); gtk_box_pack_start (GTK_BOX (filesel->main_vbox), spacer, FALSE, FALSE, 0); gtk_widget_show (spacer); list_hbox = gtk_hbox_new (FALSE, 5); gtk_box_pack_start (GTK_BOX (filesel->main_vbox), list_hbox, TRUE, TRUE, 0); gtk_widget_show (list_hbox); if (WANT_HPANED) list_container = g_object_new (GTK_TYPE_HPANED, "visible", TRUE, "parent", list_hbox, "border_width", 0, NULL); else list_container = list_hbox; spacer = gtk_hbox_new (FALSE, 0); gtk_widget_set_size_request (spacer, -1, 5); gtk_box_pack_start (GTK_BOX (filesel->main_vbox), spacer, FALSE, FALSE, 0); gtk_widget_show (spacer); /* The directories list */ model = gtk_list_store_new (1, G_TYPE_STRING); filesel->dir_list = gtk_tree_view_new_with_model (GTK_TREE_MODEL (model)); g_object_unref (model); column = gtk_tree_view_column_new_with_attributes (_("Folders"), gtk_cell_renderer_text_new (), "text", DIR_COLUMN, NULL); label = gtk_label_new_with_mnemonic (_("Fol_ders")); gtk_label_set_mnemonic_widget (GTK_LABEL (label), filesel->dir_list); gtk_widget_show (label); gtk_tree_view_column_set_widget (column, label); gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_AUTOSIZE); gtk_tree_view_append_column (GTK_TREE_VIEW (filesel->dir_list), column); gtk_widget_set_size_request (filesel->dir_list, DIR_LIST_WIDTH, DIR_LIST_HEIGHT); g_signal_connect (filesel->dir_list, "row_activated", G_CALLBACK (gtk_file_selection_dir_activate), filesel); /* gtk_clist_column_titles_passive (GTK_CLIST (filesel->dir_list)); */ scrolled_win = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_win), GTK_SHADOW_IN); gtk_container_add (GTK_CONTAINER (scrolled_win), filesel->dir_list); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win), GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS); gtk_container_set_border_width (GTK_CONTAINER (scrolled_win), 0); if (GTK_IS_PANED (list_container)) gtk_paned_pack1 (GTK_PANED (list_container), scrolled_win, TRUE, TRUE); else gtk_container_add (GTK_CONTAINER (list_container), scrolled_win); gtk_widget_show (filesel->dir_list); gtk_widget_show (scrolled_win); /* The files list */ model = gtk_list_store_new (1, G_TYPE_STRING); filesel->file_list = gtk_tree_view_new_with_model (GTK_TREE_MODEL (model)); g_object_unref (model); column = gtk_tree_view_column_new_with_attributes (_("Files"), gtk_cell_renderer_text_new (), "text", FILE_COLUMN, NULL); label = gtk_label_new_with_mnemonic (_("_Files")); gtk_label_set_mnemonic_widget (GTK_LABEL (label), filesel->file_list); gtk_widget_show (label); gtk_tree_view_column_set_widget (column, label); gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_AUTOSIZE); gtk_tree_view_append_column (GTK_TREE_VIEW (filesel->file_list), column); gtk_widget_set_size_request (filesel->file_list, FILE_LIST_WIDTH, FILE_LIST_HEIGHT); g_signal_connect (filesel->file_list, "row_activated", G_CALLBACK (gtk_file_selection_file_activate), filesel); g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (filesel->file_list)), "changed", G_CALLBACK (gtk_file_selection_file_changed), filesel); /* gtk_clist_column_titles_passive (GTK_CLIST (filesel->file_list)); */ scrolled_win = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_win), GTK_SHADOW_IN); gtk_container_add (GTK_CONTAINER (scrolled_win), filesel->file_list); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win), GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS); gtk_container_set_border_width (GTK_CONTAINER (scrolled_win), 0); gtk_container_add (GTK_CONTAINER (list_container), scrolled_win); gtk_widget_show (filesel->file_list); gtk_widget_show (scrolled_win); /* action area for packing buttons into. */ filesel->action_area = gtk_hbox_new (TRUE, 0); gtk_box_pack_start (GTK_BOX (filesel->main_vbox), filesel->action_area, FALSE, FALSE, 0); gtk_widget_show (filesel->action_area); /* The OK/Cancel button area */ confirm_area = dialog->action_area; /* The Cancel button */ filesel->cancel_button = gtk_dialog_add_button (dialog, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL); /* The OK button */ filesel->ok_button = gtk_dialog_add_button (dialog, GTK_STOCK_OK, GTK_RESPONSE_OK); gtk_widget_grab_default (filesel->ok_button); /* The selection entry widget */ entry_vbox = gtk_vbox_new (FALSE, 2); gtk_box_pack_end (GTK_BOX (filesel->main_vbox), entry_vbox, FALSE, FALSE, 2); gtk_widget_show (entry_vbox); eventbox = gtk_event_box_new (); filesel->selection_text = label = gtk_label_new (""); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_container_add (GTK_CONTAINER (eventbox), label); gtk_box_pack_start (GTK_BOX (entry_vbox), eventbox, FALSE, FALSE, 0); gtk_widget_show (label); gtk_widget_show (eventbox); filesel->selection_entry = gtk_entry_new (); g_signal_connect (filesel->selection_entry, "key_press_event", G_CALLBACK (gtk_file_selection_key_press), filesel); g_signal_connect (filesel->selection_entry, "insert_text", G_CALLBACK (gtk_file_selection_insert_text), NULL); g_signal_connect_swapped (filesel->selection_entry, "changed", G_CALLBACK (gtk_file_selection_update_fileops), filesel); g_signal_connect_swapped (filesel->selection_entry, "focus_in_event", G_CALLBACK (grab_default), filesel->ok_button); g_signal_connect_swapped (filesel->selection_entry, "activate", G_CALLBACK (gtk_button_clicked), filesel->ok_button); gtk_box_pack_start (GTK_BOX (entry_vbox), filesel->selection_entry, TRUE, TRUE, 0); gtk_widget_show (filesel->selection_entry); gtk_label_set_mnemonic_widget (GTK_LABEL (filesel->selection_text), filesel->selection_entry); if (!cmpl_state_okay (filesel->cmpl_state)) { gchar err_buf[256]; g_snprintf (err_buf, sizeof (err_buf), _("Folder unreadable: %s"), cmpl_strerror (cmpl_errno)); gtk_label_set_text (GTK_LABEL (filesel->selection_text), err_buf); } else { gtk_file_selection_populate (filesel, "", FALSE, TRUE); } gtk_widget_grab_focus (filesel->selection_entry); gtk_widget_pop_composite_child (); } static gchar * uri_list_extract_first_uri (const gchar* uri_list) { const gchar *p, *q; g_return_val_if_fail (uri_list != NULL, NULL); p = uri_list; /* We don't actually try to validate the URI according to RFC * 2396, or even check for allowed characters - we just ignore * comments and trim whitespace off the ends. We also * allow LF delimination as well as the specified CRLF. * * We do allow comments like specified in RFC 2483. */ while (p) { if (*p != '#') { while (g_ascii_isspace(*p)) p++; q = p; while (*q && (*q != '\n') && (*q != '\r')) q++; if (q > p) { q--; while (q > p && g_ascii_isspace (*q)) q--; if (q > p) return g_strndup (p, q - p + 1); } } p = strchr (p, '\n'); if (p) p++; } return NULL; } static void dnd_really_drop (GtkWidget *dialog, gint response_id, GtkFileSelection *fs) { gchar *filename; if (response_id == GTK_RESPONSE_YES) { filename = g_object_get_data (G_OBJECT (dialog), "gtk-fs-dnd-filename"); gtk_file_selection_set_filename (fs, filename); } gtk_widget_destroy (dialog); } static void filenames_dropped (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint time) { char *uri = NULL; char *filename = NULL; char *hostname; char this_hostname[257]; int res; GError *error = NULL; if (!selection_data->data) return; uri = uri_list_extract_first_uri ((char *)selection_data->data); if (!uri) return; filename = g_filename_from_uri (uri, &hostname, &error); g_free (uri); if (!filename) { g_warning ("Error getting dropped filename: %s\n", error->message); g_error_free (error); return; } res = gethostname (this_hostname, 256); this_hostname[256] = 0; if ((hostname == NULL) || (res == 0 && strcmp (hostname, this_hostname) == 0) || (strcmp (hostname, "localhost") == 0)) gtk_file_selection_set_filename (GTK_FILE_SELECTION (widget), filename); else { GtkWidget *dialog; gchar *filename_utf8; /* Conversion back to UTF-8 should always succeed for the result * of g_filename_from_uri() */ filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL); g_assert (filename_utf8); dialog = gtk_message_dialog_new (GTK_WINDOW (widget), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, _("The file \"%s\" resides on another machine (called %s) and may not be available to this program.\n" "Are you sure that you want to select it?"), filename_utf8, hostname); g_free (filename_utf8); g_object_set_data_full (G_OBJECT (dialog), "gtk-fs-dnd-filename", g_strdup (filename), g_free); g_signal_connect_data (dialog, "response", (GCallback) dnd_really_drop, widget, NULL, 0); gtk_widget_show (dialog); } g_free (hostname); g_free (filename); } enum { TARGET_URILIST, TARGET_UTF8_STRING, TARGET_STRING, TARGET_TEXT, TARGET_COMPOUND_TEXT }; static void filenames_drag_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection_data, guint info, guint time, GtkFileSelection *filesel) { const gchar *file; gchar *uri_list; char hostname[256]; int res; GError *error; file = gtk_file_selection_get_filename (filesel); if (file) { if (info == TARGET_URILIST) { res = gethostname (hostname, 256); error = NULL; uri_list = g_filename_to_uri (file, (!res)?hostname:NULL, &error); if (!uri_list) { g_warning ("Error getting filename: %s\n", error->message); g_error_free (error); return; } gtk_selection_data_set (selection_data, selection_data->target, 8, (void *)uri_list, strlen((char *)uri_list)); g_free (uri_list); } else { gchar *filename_utf8 = g_filename_to_utf8 (file, -1, NULL, NULL, NULL); g_assert (filename_utf8); gtk_selection_data_set_text (selection_data, filename_utf8, -1); g_free (filename_utf8); } } } static void file_selection_setup_dnd (GtkFileSelection *filesel) { GtkWidget *eventbox; static const GtkTargetEntry drop_types[] = { { "text/uri-list", 0, TARGET_URILIST} }; static gint n_drop_types = sizeof(drop_types)/sizeof(drop_types[0]); static const GtkTargetEntry drag_types[] = { { "text/uri-list", 0, TARGET_URILIST}, { "UTF8_STRING", 0, TARGET_UTF8_STRING }, { "STRING", 0, 0 }, { "TEXT", 0, 0 }, { "COMPOUND_TEXT", 0, 0 } }; static gint n_drag_types = sizeof(drag_types)/sizeof(drag_types[0]); gtk_drag_dest_set (GTK_WIDGET (filesel), GTK_DEST_DEFAULT_ALL, drop_types, n_drop_types, GDK_ACTION_COPY); g_signal_connect (filesel, "drag_data_received", G_CALLBACK (filenames_dropped), NULL); eventbox = gtk_widget_get_parent (filesel->selection_text); gtk_drag_source_set (eventbox, GDK_BUTTON1_MASK, drag_types, n_drag_types, GDK_ACTION_COPY); g_signal_connect (eventbox, "drag_data_get", G_CALLBACK (filenames_drag_get), filesel); } GtkWidget* gtk_file_selection_new (const gchar *title) { GtkFileSelection *filesel; filesel = g_object_new (GTK_TYPE_FILE_SELECTION, NULL); gtk_window_set_title (GTK_WINDOW (filesel), title); gtk_dialog_set_has_separator (GTK_DIALOG (filesel), FALSE); file_selection_setup_dnd (filesel); return GTK_WIDGET (filesel); } void gtk_file_selection_show_fileop_buttons (GtkFileSelection *filesel) { g_return_if_fail (GTK_IS_FILE_SELECTION (filesel)); /* delete, create directory, and rename */ if (!filesel->fileop_c_dir) { filesel->fileop_c_dir = gtk_button_new_with_mnemonic (_("_New Folder")); g_signal_connect (filesel->fileop_c_dir, "clicked", G_CALLBACK (gtk_file_selection_create_dir), filesel); gtk_box_pack_start (GTK_BOX (filesel->button_area), filesel->fileop_c_dir, TRUE, TRUE, 0); gtk_widget_show (filesel->fileop_c_dir); } if (!filesel->fileop_del_file) { filesel->fileop_del_file = gtk_button_new_with_mnemonic (_("De_lete File")); g_signal_connect (filesel->fileop_del_file, "clicked", G_CALLBACK (gtk_file_selection_delete_file), filesel); gtk_box_pack_start (GTK_BOX (filesel->button_area), filesel->fileop_del_file, TRUE, TRUE, 0); gtk_widget_show (filesel->fileop_del_file); } if (!filesel->fileop_ren_file) { filesel->fileop_ren_file = gtk_button_new_with_mnemonic (_("_Rename File")); g_signal_connect (filesel->fileop_ren_file, "clicked", G_CALLBACK (gtk_file_selection_rename_file), filesel); gtk_box_pack_start (GTK_BOX (filesel->button_area), filesel->fileop_ren_file, TRUE, TRUE, 0); gtk_widget_show (filesel->fileop_ren_file); } gtk_file_selection_update_fileops (filesel); g_object_notify (G_OBJECT (filesel), "show_fileops"); } void gtk_file_selection_hide_fileop_buttons (GtkFileSelection *filesel) { g_return_if_fail (GTK_IS_FILE_SELECTION (filesel)); if (filesel->fileop_ren_file) { gtk_widget_destroy (filesel->fileop_ren_file); filesel->fileop_ren_file = NULL; } if (filesel->fileop_del_file) { gtk_widget_destroy (filesel->fileop_del_file); filesel->fileop_del_file = NULL; } if (filesel->fileop_c_dir) { gtk_widget_destroy (filesel->fileop_c_dir); filesel->fileop_c_dir = NULL; } g_object_notify (G_OBJECT (filesel), "show_fileops"); } /** * gtk_file_selection_set_filename: * @filesel: a #GtkFileSelection. * @filename: a string to set as the default file name. * * Sets a default path for the file requestor. If @filename includes a * directory path, then the requestor will open with that path as its * current working directory. * * This has the consequence that in order to open the requestor with a * working directory and an empty filename, @filename must have a trailing * directory separator. * * The encoding of @filename is the on-disk encoding, which * may not be UTF-8. See g_filename_from_utf8(). **/ void gtk_file_selection_set_filename (GtkFileSelection *filesel, const gchar *filename) { gchar *buf; const char *name, *last_slash; char *filename_utf8; g_return_if_fail (GTK_IS_FILE_SELECTION (filesel)); g_return_if_fail (filename != NULL); filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL); g_return_if_fail (filename_utf8 != NULL); last_slash = strrchr (filename_utf8, G_DIR_SEPARATOR); if (!last_slash) { buf = g_strdup (""); name = filename_utf8; } else { buf = g_strdup (filename_utf8); buf[last_slash - filename_utf8 + 1] = 0; name = last_slash + 1; } gtk_file_selection_populate (filesel, buf, FALSE, TRUE); if (filesel->selection_entry) gtk_entry_set_text (GTK_ENTRY (filesel->selection_entry), name); g_free (buf); g_object_notify (G_OBJECT (filesel), "filename"); g_free (filename_utf8); } /** * gtk_file_selection_get_filename: * @filesel: a #GtkFileSelection * * This function returns the selected filename in the on-disk encoding * (see g_filename_from_utf8()), which may or may not be the same as that * used by GTK+ (UTF-8). To convert to UTF-8, call g_filename_to_utf8(). * The returned string points to a statically allocated buffer and * should be copied if you plan to keep it around. * * If no file is selected then the selected directory path is returned. * * Return value: currently-selected filename in the on-disk encoding. **/ G_CONST_RETURN gchar* gtk_file_selection_get_filename (GtkFileSelection *filesel) { static const gchar nothing[2] = ""; static gchar something[MAXPATHLEN*2]; char *sys_filename; const char *text; g_return_val_if_fail (GTK_IS_FILE_SELECTION (filesel), nothing); #ifdef G_WITH_CYGWIN translate_win32_path (filesel); #endif text = gtk_entry_get_text (GTK_ENTRY (filesel->selection_entry)); if (text) { gchar *fullname = cmpl_completion_fullname (text, filesel->cmpl_state); sys_filename = g_filename_from_utf8 (fullname, -1, NULL, NULL, NULL); g_free (fullname); if (!sys_filename) return nothing; strncpy (something, sys_filename, sizeof (something)); g_free (sys_filename); return something; } return nothing; } void gtk_file_selection_complete (GtkFileSelection *filesel, const gchar *pattern) { g_return_if_fail (GTK_IS_FILE_SELECTION (filesel)); g_return_if_fail (pattern != NULL); if (filesel->selection_entry) gtk_entry_set_text (GTK_ENTRY (filesel->selection_entry), pattern); gtk_file_selection_populate (filesel, (gchar*) pattern, TRUE, TRUE); } static void gtk_file_selection_destroy (GtkObject *object) { GtkFileSelection *filesel; GList *list; HistoryCallbackArg *callback_arg; g_return_if_fail (GTK_IS_FILE_SELECTION (object)); filesel = GTK_FILE_SELECTION (object); if (filesel->fileop_dialog) { gtk_widget_destroy (filesel->fileop_dialog); filesel->fileop_dialog = NULL; } if (filesel->history_list) { list = filesel->history_list; while (list) { callback_arg = list->data; g_free (callback_arg->directory); g_free (callback_arg); list = list->next; } g_list_free (filesel->history_list); filesel->history_list = NULL; } if (filesel->cmpl_state) { cmpl_free_state (filesel->cmpl_state); filesel->cmpl_state = NULL; } if (filesel->selected_names) { free_selected_names (filesel->selected_names); filesel->selected_names = NULL; } if (filesel->last_selected) { g_free (filesel->last_selected); filesel->last_selected = NULL; } GTK_OBJECT_CLASS (parent_class)->destroy (object); } static void gtk_file_selection_map (GtkWidget *widget) { GtkFileSelection *filesel = GTK_FILE_SELECTION (widget); /* Refresh the contents */ gtk_file_selection_populate (filesel, "", FALSE, FALSE); GTK_WIDGET_CLASS (parent_class)->map (widget); } static void gtk_file_selection_finalize (GObject *object) { GtkFileSelection *filesel = GTK_FILE_SELECTION (object); g_free (filesel->fileop_file); G_OBJECT_CLASS (parent_class)->finalize (object); } /* Begin file operations callbacks */ static void gtk_file_selection_fileop_error (GtkFileSelection *fs, gchar *error_message) { GtkWidget *dialog; g_return_if_fail (error_message != NULL); /* main dialog */ dialog = gtk_message_dialog_new (GTK_WINDOW (fs), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", error_message); /* yes, we free it */ g_free (error_message); gtk_window_set_modal (GTK_WINDOW (dialog), TRUE); g_signal_connect_swapped (dialog, "response", G_CALLBACK (gtk_widget_destroy), dialog); gtk_widget_show (dialog); } static void gtk_file_selection_fileop_destroy (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); fs->fileop_dialog = NULL; } static gboolean entry_is_empty (GtkEntry *entry) { const gchar *text = gtk_entry_get_text (entry); return *text == '\0'; } static void gtk_file_selection_fileop_entry_changed (GtkEntry *entry, GtkWidget *button) { gtk_widget_set_sensitive (button, !entry_is_empty (entry)); } static void gtk_file_selection_create_dir_confirmed (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; const gchar *dirname; gchar *path; gchar *full_path; gchar *sys_full_path; gchar *buf; GError *error = NULL; CompletionState *cmpl_state; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); dirname = gtk_entry_get_text (GTK_ENTRY (fs->fileop_entry)); cmpl_state = (CompletionState*) fs->cmpl_state; path = cmpl_reference_position (cmpl_state); full_path = g_strconcat (path, G_DIR_SEPARATOR_S, dirname, NULL); sys_full_path = g_filename_from_utf8 (full_path, -1, NULL, NULL, &error); if (error) { if (g_error_matches (error, G_CONVERT_ERROR, G_CONVERT_ERROR_ILLEGAL_SEQUENCE)) buf = g_strdup_printf (_("The folder name \"%s\" contains symbols that are not allowed in filenames"), dirname); else buf = g_strdup_printf (_("Error creating folder \"%s\": %s\n%s"), dirname, error->message, _("You probably used symbols not allowed in filenames.")); gtk_file_selection_fileop_error (fs, buf); g_error_free (error); goto out; } if (mkdir (sys_full_path, 0777) < 0) { buf = g_strdup_printf (_("Error creating folder \"%s\": %s\n"), dirname, g_strerror (errno)); gtk_file_selection_fileop_error (fs, buf); } out: g_free (full_path); g_free (sys_full_path); gtk_widget_destroy (fs->fileop_dialog); gtk_file_selection_populate (fs, "", FALSE, FALSE); } static void gtk_file_selection_create_dir (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; GtkWidget *label; GtkWidget *dialog; GtkWidget *vbox; GtkWidget *button; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); if (fs->fileop_dialog) return; /* main dialog */ dialog = gtk_dialog_new (); fs->fileop_dialog = dialog; g_signal_connect (dialog, "destroy", G_CALLBACK (gtk_file_selection_fileop_destroy), fs); gtk_window_set_title (GTK_WINDOW (dialog), _("New Folder")); gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE); gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (fs)); /* If file dialog is grabbed, grab option dialog */ /* When option dialog is closed, file dialog will be grabbed again */ if (GTK_WINDOW (fs)->modal) gtk_window_set_modal (GTK_WINDOW (dialog), TRUE); vbox = gtk_vbox_new (FALSE, 0); gtk_container_set_border_width (GTK_CONTAINER (vbox), 8); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), vbox, FALSE, FALSE, 0); gtk_widget_show( vbox); label = gtk_label_new_with_mnemonic (_("_Folder name:")); gtk_misc_set_alignment(GTK_MISC (label), 0.0, 0.0); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 5); gtk_widget_show (label); /* The directory entry widget */ fs->fileop_entry = gtk_entry_new (); gtk_label_set_mnemonic_widget (GTK_LABEL (label), fs->fileop_entry); gtk_box_pack_start (GTK_BOX (vbox), fs->fileop_entry, TRUE, TRUE, 5); GTK_WIDGET_SET_FLAGS (fs->fileop_entry, GTK_CAN_DEFAULT); gtk_entry_set_activates_default (GTK_ENTRY (fs->fileop_entry), TRUE); gtk_widget_show (fs->fileop_entry); /* buttons */ button = gtk_dialog_add_button (GTK_DIALOG (dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL); g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), dialog); gtk_widget_grab_focus (fs->fileop_entry); button = gtk_dialog_add_button (GTK_DIALOG (dialog), _("C_reate"), GTK_RESPONSE_OK); gtk_widget_set_sensitive (button, FALSE); g_signal_connect (button, "clicked", G_CALLBACK (gtk_file_selection_create_dir_confirmed), fs); g_signal_connect (fs->fileop_entry, "changed", G_CALLBACK (gtk_file_selection_fileop_entry_changed), button); gtk_widget_grab_default (button); gtk_widget_show (dialog); } static void gtk_file_selection_delete_file_response (GtkDialog *dialog, gint response_id, gpointer data) { GtkFileSelection *fs = data; CompletionState *cmpl_state; gchar *path; gchar *full_path; gchar *sys_full_path; GError *error = NULL; gchar *buf; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); if (response_id != GTK_RESPONSE_OK) { gtk_widget_destroy (GTK_WIDGET (dialog)); return; } cmpl_state = (CompletionState*) fs->cmpl_state; path = cmpl_reference_position (cmpl_state); full_path = g_strconcat (path, G_DIR_SEPARATOR_S, fs->fileop_file, NULL); sys_full_path = g_filename_from_utf8 (full_path, -1, NULL, NULL, &error); if (error) { if (g_error_matches (error, G_CONVERT_ERROR, G_CONVERT_ERROR_ILLEGAL_SEQUENCE)) buf = g_strdup_printf (_("The filename \"%s\" contains symbols that are not allowed in filenames"), fs->fileop_file); else buf = g_strdup_printf (_("Error deleting file \"%s\": %s\n%s"), fs->fileop_file, error->message, _("It probably contains symbols not allowed in filenames.")); gtk_file_selection_fileop_error (fs, buf); g_error_free (error); goto out; } if (unlink (sys_full_path) < 0) { buf = g_strdup_printf (_("Error deleting file \"%s\": %s"), fs->fileop_file, g_strerror (errno)); gtk_file_selection_fileop_error (fs, buf); } out: g_free (full_path); g_free (sys_full_path); gtk_widget_destroy (fs->fileop_dialog); gtk_file_selection_populate (fs, "", FALSE, TRUE); } static void gtk_file_selection_delete_file (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; GtkWidget *dialog; const gchar *filename; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); if (fs->fileop_dialog) return; #ifdef G_WITH_CYGWIN translate_win32_path (fs); #endif filename = gtk_entry_get_text (GTK_ENTRY (fs->selection_entry)); if (strlen (filename) < 1) return; g_free (fs->fileop_file); fs->fileop_file = g_strdup (filename); /* main dialog */ fs->fileop_dialog = dialog = gtk_message_dialog_new (GTK_WINDOW (fs), GTK_WINDOW (fs)->modal ? GTK_DIALOG_MODAL : 0, GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Really delete file \"%s\"?"), filename); g_signal_connect (dialog, "destroy", G_CALLBACK (gtk_file_selection_fileop_destroy), fs); gtk_window_set_title (GTK_WINDOW (dialog), _("Delete File")); gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE); /* buttons */ gtk_dialog_add_buttons (GTK_DIALOG (dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_DELETE, GTK_RESPONSE_OK, NULL); gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL); g_signal_connect (dialog, "response", G_CALLBACK (gtk_file_selection_delete_file_response), fs); gtk_widget_show (dialog); } static void gtk_file_selection_rename_file_confirmed (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; gchar *buf; const gchar *file; gchar *path; gchar *new_filename; gchar *old_filename; gchar *sys_new_filename; gchar *sys_old_filename; CompletionState *cmpl_state; GError *error = NULL; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); file = gtk_entry_get_text (GTK_ENTRY (fs->fileop_entry)); cmpl_state = (CompletionState*) fs->cmpl_state; path = cmpl_reference_position (cmpl_state); new_filename = g_strconcat (path, G_DIR_SEPARATOR_S, file, NULL); old_filename = g_strconcat (path, G_DIR_SEPARATOR_S, fs->fileop_file, NULL); sys_new_filename = g_filename_from_utf8 (new_filename, -1, NULL, NULL, &error); if (error) { if (g_error_matches (error, G_CONVERT_ERROR, G_CONVERT_ERROR_ILLEGAL_SEQUENCE)) buf = g_strdup_printf (_("The file name \"%s\" contains symbols that are not allowed in filenames"), new_filename); else buf = g_strdup_printf (_("Error renaming file to \"%s\": %s\n%s"), new_filename, error->message, _("You probably used symbols not allowed in filenames.")); gtk_file_selection_fileop_error (fs, buf); g_error_free (error); goto out1; } sys_old_filename = g_filename_from_utf8 (old_filename, -1, NULL, NULL, &error); if (error) { if (g_error_matches (error, G_CONVERT_ERROR, G_CONVERT_ERROR_ILLEGAL_SEQUENCE)) buf = g_strdup_printf (_("The file name \"%s\" contains symbols that are not allowed in filenames"), old_filename); else buf = g_strdup_printf (_("Error renaming file \"%s\": %s\n%s"), old_filename, error->message, _("It probably contains symbols not allowed in filenames.")); gtk_file_selection_fileop_error (fs, buf); g_error_free (error); goto out2; } if (rename (sys_old_filename, sys_new_filename) < 0) { buf = g_strdup_printf (_("Error renaming file \"%s\" to \"%s\": %s"), sys_old_filename, sys_new_filename, g_strerror (errno)); gtk_file_selection_fileop_error (fs, buf); goto out2; } gtk_file_selection_populate (fs, "", FALSE, FALSE); gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), file); out2: g_free (sys_old_filename); out1: g_free (new_filename); g_free (old_filename); g_free (sys_new_filename); gtk_widget_destroy (fs->fileop_dialog); } static void gtk_file_selection_rename_file (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; GtkWidget *label; GtkWidget *dialog; GtkWidget *vbox; GtkWidget *button; gchar *buf; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); if (fs->fileop_dialog) return; g_free (fs->fileop_file); fs->fileop_file = g_strdup (gtk_entry_get_text (GTK_ENTRY (fs->selection_entry))); if (strlen (fs->fileop_file) < 1) return; /* main dialog */ fs->fileop_dialog = dialog = gtk_dialog_new (); g_signal_connect (dialog, "destroy", G_CALLBACK (gtk_file_selection_fileop_destroy), fs); gtk_window_set_title (GTK_WINDOW (dialog), _("Rename File")); gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE); gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (fs)); /* If file dialog is grabbed, grab option dialog */ /* When option dialog closed, file dialog will be grabbed again */ if (GTK_WINDOW (fs)->modal) gtk_window_set_modal (GTK_WINDOW (dialog), TRUE); vbox = gtk_vbox_new (FALSE, 0); gtk_container_set_border_width (GTK_CONTAINER (vbox), 8); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), vbox, FALSE, FALSE, 0); gtk_widget_show(vbox); buf = g_strdup_printf (_("Rename file \"%s\" to:"), fs->fileop_file); label = gtk_label_new (buf); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 5); gtk_widget_show (label); g_free (buf); /* New filename entry */ fs->fileop_entry = gtk_entry_new (); gtk_box_pack_start (GTK_BOX (vbox), fs->fileop_entry, TRUE, TRUE, 5); GTK_WIDGET_SET_FLAGS (fs->fileop_entry, GTK_CAN_DEFAULT); gtk_entry_set_activates_default (GTK_ENTRY (fs->fileop_entry), TRUE); gtk_widget_show (fs->fileop_entry); gtk_entry_set_text (GTK_ENTRY (fs->fileop_entry), fs->fileop_file); gtk_editable_select_region (GTK_EDITABLE (fs->fileop_entry), 0, strlen (fs->fileop_file)); /* buttons */ button = gtk_dialog_add_button (GTK_DIALOG (dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL); g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), dialog); gtk_widget_grab_focus (fs->fileop_entry); button = gtk_dialog_add_button (GTK_DIALOG (dialog), _("_Rename"), GTK_RESPONSE_OK); g_signal_connect (button, "clicked", G_CALLBACK (gtk_file_selection_rename_file_confirmed), fs); g_signal_connect (fs->fileop_entry, "changed", G_CALLBACK (gtk_file_selection_fileop_entry_changed), button); gtk_widget_grab_default (button); gtk_widget_show (dialog); } static gint gtk_file_selection_insert_text (GtkWidget *widget, const gchar *new_text, gint new_text_length, gint *position, gpointer user_data) { gchar *filename; filename = g_filename_from_utf8 (new_text, new_text_length, NULL, NULL, NULL); if (!filename) { gdk_display_beep (gtk_widget_get_display (widget)); g_signal_stop_emission_by_name (widget, "insert_text"); return FALSE; } g_free (filename); return TRUE; } static void gtk_file_selection_update_fileops (GtkFileSelection *fs) { gboolean sensitive; if (!fs->selection_entry) return; sensitive = !entry_is_empty (GTK_ENTRY (fs->selection_entry)); if (fs->fileop_del_file) gtk_widget_set_sensitive (fs->fileop_del_file, sensitive); if (fs->fileop_ren_file) gtk_widget_set_sensitive (fs->fileop_ren_file, sensitive); } static gint gtk_file_selection_key_press (GtkWidget *widget, GdkEventKey *event, gpointer user_data) { GtkFileSelection *fs; char *text; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (event != NULL, FALSE); if ((event->keyval == GDK_Tab || event->keyval == GDK_KP_Tab) && (event->state & gtk_accelerator_get_default_mod_mask ()) == 0) { fs = GTK_FILE_SELECTION (user_data); #ifdef G_WITH_CYGWIN translate_win32_path (fs); #endif text = g_strdup (gtk_entry_get_text (GTK_ENTRY (fs->selection_entry))); gtk_file_selection_populate (fs, text, TRUE, TRUE); g_free (text); return TRUE; } return FALSE; } static void gtk_file_selection_history_callback (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; HistoryCallbackArg *callback_arg; GList *list; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); list = fs->history_list; while (list) { callback_arg = list->data; if (callback_arg->menu_item == widget) { gtk_file_selection_populate (fs, callback_arg->directory, FALSE, FALSE); break; } list = list->next; } } static void gtk_file_selection_update_history_menu (GtkFileSelection *fs, gchar *current_directory) { HistoryCallbackArg *callback_arg; GtkWidget *menu_item; GList *list; gchar *current_dir; gint dir_len; gint i; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); g_return_if_fail (current_directory != NULL); list = fs->history_list; if (fs->history_menu) { while (list) { callback_arg = list->data; g_free (callback_arg->directory); g_free (callback_arg); list = list->next; } g_list_free (fs->history_list); fs->history_list = NULL; gtk_widget_destroy (fs->history_menu); } fs->history_menu = gtk_menu_new (); current_dir = g_strdup (current_directory); dir_len = strlen (current_dir); for (i = dir_len; i >= 0; i--) { /* the i == dir_len is to catch the full path for the first * entry. */ if ( (current_dir[i] == G_DIR_SEPARATOR) || (i == dir_len)) { /* another small hack to catch the full path */ if (i != dir_len) current_dir[i + 1] = '\0'; #ifdef G_WITH_CYGWIN if (!strcmp (current_dir, "//")) continue; #endif menu_item = gtk_menu_item_new_with_label (current_dir); callback_arg = g_new (HistoryCallbackArg, 1); callback_arg->menu_item = menu_item; /* since the autocompletion gets confused if you don't * supply a trailing '/' on a dir entry, set the full * (current) path to "" which just refreshes the filesel */ if (dir_len == i) { callback_arg->directory = g_strdup (""); } else { callback_arg->directory = g_strdup (current_dir); } fs->history_list = g_list_append (fs->history_list, callback_arg); g_signal_connect (menu_item, "activate", G_CALLBACK (gtk_file_selection_history_callback), fs); gtk_menu_shell_append (GTK_MENU_SHELL (fs->history_menu), menu_item); gtk_widget_show (menu_item); } } gtk_option_menu_set_menu (GTK_OPTION_MENU (fs->history_pulldown), fs->history_menu); g_free (current_dir); } static gchar * get_real_filename (gchar *filename, gboolean free_old) { #ifdef G_WITH_CYGWIN /* Check to see if the selection was a drive selector */ if (isalpha (filename[0]) && (filename[1] == ':')) { gchar temp_filename[MAX_PATH]; int len; cygwin_conv_to_posix_path (filename, temp_filename); /* we need trailing '/'. */ len = strlen (temp_filename); if (len > 0 && temp_filename[len-1] != '/') { temp_filename[len] = '/'; temp_filename[len+1] = '\0'; } if (free_old) g_free (filename); return g_strdup (temp_filename); } #endif /* G_WITH_CYGWIN */ return filename; } static void gtk_file_selection_file_activate (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, gpointer user_data) { GtkFileSelection *fs = GTK_FILE_SELECTION (user_data); GtkTreeModel *model = gtk_tree_view_get_model (tree_view); GtkTreeIter iter; gchar *filename; gtk_tree_model_get_iter (model, &iter, path); gtk_tree_model_get (model, &iter, FILE_COLUMN, &filename, -1); filename = get_real_filename (filename, TRUE); gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), filename); gtk_button_clicked (GTK_BUTTON (fs->ok_button)); g_free (filename); } static void gtk_file_selection_dir_activate (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, gpointer user_data) { GtkFileSelection *fs = GTK_FILE_SELECTION (user_data); GtkTreeModel *model = gtk_tree_view_get_model (tree_view); GtkTreeIter iter; gchar *filename; gtk_tree_model_get_iter (model, &iter, path); gtk_tree_model_get (model, &iter, DIR_COLUMN, &filename, -1); filename = get_real_filename (filename, TRUE); gtk_file_selection_populate (fs, filename, FALSE, FALSE); g_free (filename); } #ifdef G_PLATFORM_WIN32 static void win32_gtk_add_drives_to_dir_list (GtkListStore *model) { gchar *textPtr; gchar buffer[128]; char formatBuffer[128]; GtkTreeIter iter; /* Get the drives string */ GetLogicalDriveStrings (sizeof (buffer), buffer); /* Add the drives as necessary */ textPtr = buffer; while (*textPtr != '\0') { /* Ignore floppies (?) */ if (GetDriveType (textPtr) != DRIVE_REMOVABLE) { /* Build the actual displayable string */ g_snprintf (formatBuffer, sizeof (formatBuffer), "%c:\\", toupper (textPtr[0])); /* Add to the list */ gtk_list_store_append (model, &iter); gtk_list_store_set (model, &iter, DIR_COLUMN, formatBuffer, -1); } textPtr += (strlen (textPtr) + 1); } } #endif static gchar * escape_underscores (const gchar *str) { GString *result = g_string_new (NULL); while (*str) { if (*str == '_') g_string_append_c (result, '_'); g_string_append_c (result, *str); str++; } return g_string_free (result, FALSE); } static void gtk_file_selection_populate (GtkFileSelection *fs, gchar *rel_path, gboolean try_complete, gboolean reset_entry) { CompletionState *cmpl_state; PossibleCompletion* poss; GtkTreeIter iter; GtkListStore *dir_model; GtkListStore *file_model; gchar* filename; gchar* rem_path = rel_path; gchar* sel_text; gint did_recurse = FALSE; gint possible_count = 0; g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); cmpl_state = (CompletionState*) fs->cmpl_state; poss = cmpl_completion_matches (rel_path, &rem_path, cmpl_state); if (!cmpl_state_okay (cmpl_state)) { /* Something went wrong. */ gtk_file_selection_abort (fs); return; } g_assert (cmpl_state->reference_dir); dir_model = GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (fs->dir_list))); file_model = GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (fs->file_list))); gtk_list_store_clear (dir_model); gtk_list_store_clear (file_model); /* Set the dir list to include ./ and ../ */ gtk_list_store_append (dir_model, &iter); gtk_list_store_set (dir_model, &iter, DIR_COLUMN, "." G_DIR_SEPARATOR_S, -1); gtk_list_store_append (dir_model, &iter); gtk_list_store_set (dir_model, &iter, DIR_COLUMN, ".." G_DIR_SEPARATOR_S, -1); while (poss) { if (cmpl_is_a_completion (poss)) { possible_count += 1; filename = cmpl_this_completion (poss); if (cmpl_is_directory (poss)) { if (strcmp (filename, "." G_DIR_SEPARATOR_S) != 0 && strcmp (filename, ".." G_DIR_SEPARATOR_S) != 0) { gtk_list_store_append (dir_model, &iter); gtk_list_store_set (dir_model, &iter, DIR_COLUMN, filename, -1); } } else { gtk_list_store_append (file_model, &iter); gtk_list_store_set (file_model, &iter, DIR_COLUMN, filename, -1); } } poss = cmpl_next_completion (cmpl_state); } #ifdef G_PLATFORM_WIN32 /* For Windows, add drives as potential selections */ win32_gtk_add_drives_to_dir_list (dir_model); #endif /* File lists are set. */ g_assert (cmpl_state->reference_dir); if (try_complete) { /* User is trying to complete filenames, so advance the user's input * string to the updated_text, which is the common leading substring * of all possible completions, and if its a directory attempt * attempt completions in it. */ if (cmpl_updated_text (cmpl_state)[0]) { if (cmpl_updated_dir (cmpl_state)) { gchar* dir_name = g_strdup (cmpl_updated_text (cmpl_state)); did_recurse = TRUE; gtk_file_selection_populate (fs, dir_name, TRUE, TRUE); g_free (dir_name); } else { if (fs->selection_entry) gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), cmpl_updated_text (cmpl_state)); } } else { if (fs->selection_entry) gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), rem_path); } } else if (reset_entry) { if (fs->selection_entry) gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), ""); } if (!did_recurse) { if (fs->selection_entry && try_complete) gtk_editable_set_position (GTK_EDITABLE (fs->selection_entry), -1); if (fs->selection_entry) { char *escaped = escape_underscores (cmpl_reference_position (cmpl_state)); sel_text = g_strconcat (_("_Selection: "), escaped, NULL); g_free (escaped); gtk_label_set_text_with_mnemonic (GTK_LABEL (fs->selection_text), sel_text); g_free (sel_text); } if (fs->history_pulldown) { gtk_file_selection_update_history_menu (fs, cmpl_reference_position (cmpl_state)); } } } static void gtk_file_selection_abort (GtkFileSelection *fs) { gchar err_buf[256]; g_snprintf (err_buf, sizeof (err_buf), _("Folder unreadable: %s"), cmpl_strerror (cmpl_errno)); /* BEEP gdk_beep(); */ if (fs->selection_entry) gtk_label_set_text (GTK_LABEL (fs->selection_text), err_buf); } /** * gtk_file_selection_set_select_multiple: * @filesel: a #GtkFileSelection * @select_multiple: whether or not the user is allowed to select multiple * files in the file list. * * Sets whether the user is allowed to select multiple files in the file list. * Use gtk_file_selection_get_selections () to get the list of selected files. **/ void gtk_file_selection_set_select_multiple (GtkFileSelection *filesel, gboolean select_multiple) { GtkTreeSelection *sel; GtkSelectionMode mode; g_return_if_fail (GTK_IS_FILE_SELECTION (filesel)); sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (filesel->file_list)); mode = select_multiple ? GTK_SELECTION_MULTIPLE : GTK_SELECTION_SINGLE; if (mode != gtk_tree_selection_get_mode (sel)) { gtk_tree_selection_set_mode (sel, mode); g_object_notify (G_OBJECT (filesel), "select-multiple"); } } /** * gtk_file_selection_get_select_multiple: * @filesel: a #GtkFileSelection * * Determines whether or not the user is allowed to select multiple files in * the file list. See gtk_file_selection_set_select_multiple(). * * Return value: %TRUE if the user is allowed to select multiple files in the * file list **/ gboolean gtk_file_selection_get_select_multiple (GtkFileSelection *filesel) { GtkTreeSelection *sel; g_return_val_if_fail (GTK_IS_FILE_SELECTION (filesel), FALSE); sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (filesel->file_list)); return (gtk_tree_selection_get_mode (sel) == GTK_SELECTION_MULTIPLE); } static void multiple_changed_foreach (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) { GPtrArray *names = data; gchar *filename; gtk_tree_model_get (model, iter, FILE_COLUMN, &filename, -1); g_ptr_array_add (names, filename); } static void free_selected_names (GPtrArray *names) { gint i; for (i = 0; i < names->len; i++) g_free (g_ptr_array_index (names, i)); g_ptr_array_free (names, TRUE); } static void gtk_file_selection_file_changed (GtkTreeSelection *selection, gpointer user_data) { GtkFileSelection *fs = GTK_FILE_SELECTION (user_data); GPtrArray *new_names; gchar *filename; const gchar *entry; gint index = -1; new_names = g_ptr_array_sized_new (8); gtk_tree_selection_selected_foreach (selection, multiple_changed_foreach, new_names); /* nothing selected */ if (new_names->len == 0) { g_ptr_array_free (new_names, TRUE); if (fs->selected_names != NULL) { free_selected_names (fs->selected_names); fs->selected_names = NULL; } goto maybe_clear_entry; } if (new_names->len != 1) { GPtrArray *old_names = fs->selected_names; if (old_names != NULL) { /* A common case is selecting a range of files from top to bottom, * so quickly check for that to avoid looping over the entire list */ if (compare_utf8_filenames (g_ptr_array_index (old_names, old_names->len - 1), g_ptr_array_index (new_names, new_names->len - 1)) != 0) index = new_names->len - 1; else { gint i = 0, j = 0, cmp; /* do a quick diff, stopping at the first file not in the * old list */ while (i < old_names->len && j < new_names->len) { cmp = compare_utf8_filenames (g_ptr_array_index (old_names, i), g_ptr_array_index (new_names, j)); if (cmp < 0) { i++; } else if (cmp == 0) { i++; j++; } else if (cmp > 0) { index = j; break; } } /* we ran off the end of the old list */ if (index == -1 && i < new_names->len) index = j; } } else { /* A phantom anchor still exists at the point where the last item * was selected, which is used for subsequent range selections. * So search up from there. */ if (fs->last_selected && compare_utf8_filenames (fs->last_selected, g_ptr_array_index (new_names, 0)) == 0) index = new_names->len - 1; else index = 0; } } else index = 0; if (fs->selected_names != NULL) free_selected_names (fs->selected_names); fs->selected_names = new_names; if (index != -1) { if (fs->last_selected != NULL) g_free (fs->last_selected); fs->last_selected = g_strdup (g_ptr_array_index (new_names, index)); filename = get_real_filename (fs->last_selected, FALSE); gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), filename); if (filename != fs->last_selected) g_free (filename); return; } maybe_clear_entry: entry = gtk_entry_get_text (GTK_ENTRY (fs->selection_entry)); if ((entry != NULL) && (fs->last_selected != NULL) && (compare_utf8_filenames (entry, fs->last_selected) == 0)) gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), ""); } /** * gtk_file_selection_get_selections: * @filesel: a #GtkFileSelection * * Retrieves the list of file selections the user has made in the dialog box. * This function is intended for use when the user can select multiple files * in the file list. The first file in the list is equivalent to what * gtk_file_selection_get_filename() would return. * * The filenames are in the encoding of g_filename_from_utf8(), which may or * may not be the same as that used by GTK+ (UTF-8). To convert to UTF-8, call * g_filename_to_utf8() on each string. * * Return value: a newly-allocated %NULL-terminated array of strings. Use * g_strfreev() to free it. **/ gchar ** gtk_file_selection_get_selections (GtkFileSelection *filesel) { GPtrArray *names; gchar **selections; gchar *filename, *dirname; gchar *current, *buf; gint i, count; gboolean unselected_entry; g_return_val_if_fail (GTK_IS_FILE_SELECTION (filesel), NULL); filename = g_strdup (gtk_file_selection_get_filename (filesel)); if (strlen (filename) == 0) { g_free (filename); return NULL; } names = filesel->selected_names; if (names != NULL) selections = g_new (gchar *, names->len + 2); else selections = g_new (gchar *, 2); count = 0; unselected_entry = TRUE; if (names != NULL) { dirname = g_path_get_dirname (filename); for (i = 0; i < names->len; i++) { buf = g_filename_from_utf8 (g_ptr_array_index (names, i), -1, NULL, NULL, NULL); current = g_build_filename (dirname, buf, NULL); g_free (buf); selections[count++] = current; if (unselected_entry && compare_sys_filenames (current, filename) == 0) unselected_entry = FALSE; } g_free (dirname); } if (unselected_entry) selections[count++] = filename; else g_free (filename); selections[count] = NULL; return selections; } /**********************************************************************/ /* External Interface */ /**********************************************************************/ /* The four completion state selectors */ static gchar* cmpl_updated_text (CompletionState *cmpl_state) { return cmpl_state->updated_text; } static gboolean cmpl_updated_dir (CompletionState *cmpl_state) { return cmpl_state->re_complete; } static gchar* cmpl_reference_position (CompletionState *cmpl_state) { return cmpl_state->reference_dir->fullname; } #if 0 /* This doesn't work currently and would require changes * to fnmatch.c to get working. */ static gint cmpl_last_valid_char (CompletionState *cmpl_state) { return cmpl_state->last_valid_char; } #endif static gchar* cmpl_completion_fullname (const gchar *text, CompletionState *cmpl_state) { if (!cmpl_state_okay (cmpl_state)) { return g_strdup (""); } else if (g_path_is_absolute (text)) { return g_strdup (text); } #ifdef HAVE_PWD_H else if (text[0] == '~') { CompletionDir* dir; char* slash; dir = open_user_dir (text, cmpl_state); if (dir) { slash = strchr (text, G_DIR_SEPARATOR); /* slash may be NULL, that works too */ return g_strconcat (dir->fullname, slash, NULL); } } #endif return g_build_filename (cmpl_state->reference_dir->fullname, text, NULL); } /* The three completion selectors */ static gchar* cmpl_this_completion (PossibleCompletion* pc) { return pc->text; } static gboolean cmpl_is_directory (PossibleCompletion* pc) { return pc->is_directory; } static gint cmpl_is_a_completion (PossibleCompletion* pc) { return pc->is_a_completion; } /**********************************************************************/ /* Construction, deletion */ /**********************************************************************/ /* Get the nearest parent of the current directory for which * we can convert the filename into UTF-8. With paranoia. * Returns "." when all goes wrong. */ static gchar * get_current_dir_utf8 (void) { gchar *dir = g_get_current_dir (); gchar *dir_utf8 = NULL; while (TRUE) { gchar *last_slash; dir_utf8 = g_filename_to_utf8 (dir, -1, NULL, NULL, NULL); if (dir_utf8) break; last_slash = strrchr (dir, G_DIR_SEPARATOR); if (!last_slash) /* g_get_current_dir() wasn't absolute! */ break; if (last_slash + 1 == g_path_skip_root (dir)) /* Parent directory is a root directory */ { if (last_slash[1] == '\0') /* Root misencoded! */ break; else last_slash[1] = '\0'; } else last_slash[0] = '\0'; g_assert (last_slash); } g_free (dir); return dir_utf8 ? dir_utf8 : g_strdup ("."); } static CompletionState* cmpl_init_state (void) { gchar *utf8_cwd; CompletionState *new_state; new_state = g_new (CompletionState, 1); utf8_cwd = get_current_dir_utf8 (); tryagain: new_state->reference_dir = NULL; new_state->completion_dir = NULL; new_state->active_completion_dir = NULL; new_state->directory_storage = NULL; new_state->directory_sent_storage = NULL; new_state->last_valid_char = 0; new_state->updated_text = g_new (gchar, MAXPATHLEN); new_state->updated_text_alloc = MAXPATHLEN; new_state->the_completion.text = g_new (gchar, MAXPATHLEN); new_state->the_completion.text_alloc = MAXPATHLEN; new_state->user_dir_name_buffer = NULL; new_state->user_directories = NULL; new_state->reference_dir = open_dir (utf8_cwd, new_state); if (!new_state->reference_dir) { /* Directories changing from underneath us, grumble */ strcpy (utf8_cwd, G_DIR_SEPARATOR_S); goto tryagain; } g_free (utf8_cwd); return new_state; } static void cmpl_free_dir_list (GList* dp0) { GList *dp = dp0; while (dp) { free_dir (dp->data); dp = dp->next; } g_list_free (dp0); } static void cmpl_free_dir_sent_list (GList* dp0) { GList *dp = dp0; while (dp) { free_dir_sent (dp->data); dp = dp->next; } g_list_free (dp0); } static void cmpl_free_state (CompletionState* cmpl_state) { g_return_if_fail (cmpl_state != NULL); cmpl_free_dir_list (cmpl_state->directory_storage); cmpl_free_dir_sent_list (cmpl_state->directory_sent_storage); if (cmpl_state->user_dir_name_buffer) g_free (cmpl_state->user_dir_name_buffer); if (cmpl_state->user_directories) g_free (cmpl_state->user_directories); if (cmpl_state->the_completion.text) g_free (cmpl_state->the_completion.text); if (cmpl_state->updated_text) g_free (cmpl_state->updated_text); g_free (cmpl_state); } static void free_dir (CompletionDir* dir) { g_free (dir->cmpl_text); g_free (dir->fullname); g_free (dir); } static void free_dir_sent (CompletionDirSent* sent) { gint i; for (i = 0; i < sent->entry_count; i++) { g_free (sent->entries[i].entry_name); g_free (sent->entries[i].sort_key); } g_free (sent->entries); g_free (sent); } static void prune_memory_usage (CompletionState *cmpl_state) { GList* cdsl = cmpl_state->directory_sent_storage; GList* cdl = cmpl_state->directory_storage; GList* cdl0 = cdl; gint len = 0; for (; cdsl && len < CMPL_DIRECTORY_CACHE_SIZE; len += 1) cdsl = cdsl->next; if (cdsl) { cmpl_free_dir_sent_list (cdsl->next); cdsl->next = NULL; } cmpl_state->directory_storage = NULL; while (cdl) { if (cdl->data == cmpl_state->reference_dir) cmpl_state->directory_storage = g_list_prepend (NULL, cdl->data); else free_dir (cdl->data); cdl = cdl->next; } g_list_free (cdl0); } /**********************************************************************/ /* The main entrances. */ /**********************************************************************/ static PossibleCompletion* cmpl_completion_matches (gchar *text_to_complete, gchar **remaining_text, CompletionState *cmpl_state) { #ifdef HAVE_PWD_H gchar* first_slash; #endif PossibleCompletion *poss; prune_memory_usage (cmpl_state); g_assert (text_to_complete != NULL); cmpl_state->user_completion_index = -1; cmpl_state->last_completion_text = text_to_complete; cmpl_state->the_completion.text[0] = 0; cmpl_state->last_valid_char = 0; cmpl_state->updated_text_len = -1; cmpl_state->updated_text[0] = 0; cmpl_state->re_complete = FALSE; #ifdef HAVE_PWD_H first_slash = strchr (text_to_complete, G_DIR_SEPARATOR); if (text_to_complete[0] == '~' && !first_slash) { /* Text starts with ~ and there is no slash, show all the * home directory completions. */ poss = attempt_homedir_completion (text_to_complete, cmpl_state); update_cmpl (poss, cmpl_state); return poss; } #endif cmpl_state->reference_dir = open_ref_dir (text_to_complete, remaining_text, cmpl_state); if (!cmpl_state->reference_dir) return NULL; cmpl_state->completion_dir = find_completion_dir (*remaining_text, remaining_text, cmpl_state); cmpl_state->last_valid_char = *remaining_text - text_to_complete; if (!cmpl_state->completion_dir) return NULL; cmpl_state->completion_dir->cmpl_index = -1; cmpl_state->completion_dir->cmpl_parent = NULL; cmpl_state->completion_dir->cmpl_text = g_strdup (*remaining_text); cmpl_state->active_completion_dir = cmpl_state->completion_dir; cmpl_state->reference_dir = cmpl_state->completion_dir; poss = attempt_file_completion (cmpl_state); update_cmpl (poss, cmpl_state); return poss; } static PossibleCompletion* cmpl_next_completion (CompletionState* cmpl_state) { PossibleCompletion* poss = NULL; cmpl_state->the_completion.text[0] = 0; #ifdef HAVE_PWD_H if (cmpl_state->user_completion_index >= 0) poss = attempt_homedir_completion (cmpl_state->last_completion_text, cmpl_state); else poss = attempt_file_completion (cmpl_state); #else poss = attempt_file_completion (cmpl_state); #endif update_cmpl (poss, cmpl_state); return poss; } /**********************************************************************/ /* Directory Operations */ /**********************************************************************/ /* Open the directory where completion will begin from, if possible. */ static CompletionDir* open_ref_dir (gchar *text_to_complete, gchar **remaining_text, CompletionState *cmpl_state) { gchar* first_slash; CompletionDir *new_dir; first_slash = strchr (text_to_complete, G_DIR_SEPARATOR); #ifdef G_WITH_CYGWIN if (text_to_complete[0] == '/' && text_to_complete[1] == '/') { char root_dir[5]; g_snprintf (root_dir, sizeof (root_dir), "//%c", text_to_complete[2]); new_dir = open_dir (root_dir, cmpl_state); if (new_dir) { *remaining_text = text_to_complete + 4; } } #else if (FALSE) ; #endif #ifdef HAVE_PWD_H else if (text_to_complete[0] == '~') { new_dir = open_user_dir (text_to_complete, cmpl_state); if (new_dir) { if (first_slash) *remaining_text = first_slash + 1; else *remaining_text = text_to_complete + strlen (text_to_complete); } else { return NULL; } } #endif else if (g_path_is_absolute (text_to_complete) || !cmpl_state->reference_dir) { gchar *tmp = g_strdup (text_to_complete); gchar *p; p = tmp; while (*p && *p != '*' && *p != '?') p++; *p = '\0'; p = strrchr (tmp, G_DIR_SEPARATOR); if (p) { if (p + 1 == g_path_skip_root (tmp)) p++; *p = '\0'; new_dir = open_dir (tmp, cmpl_state); if (new_dir) *remaining_text = text_to_complete + ((p == g_path_skip_root (tmp)) ? (p - tmp) : (p + 1 - tmp)); } else { /* If no possible candidates, use the cwd */ gchar *utf8_curdir = get_current_dir_utf8 (); new_dir = open_dir (utf8_curdir, cmpl_state); if (new_dir) *remaining_text = text_to_complete; g_free (utf8_curdir); } g_free (tmp); } else { *remaining_text = text_to_complete; new_dir = open_dir (cmpl_state->reference_dir->fullname, cmpl_state); } if (new_dir) { new_dir->cmpl_index = -1; new_dir->cmpl_parent = NULL; } return new_dir; } #ifdef HAVE_PWD_H /* open a directory by user name */ static CompletionDir* open_user_dir (const gchar *text_to_complete, CompletionState *cmpl_state) { CompletionDir *result; gchar *first_slash; gint cmp_len; g_assert (text_to_complete && text_to_complete[0] == '~'); first_slash = strchr (text_to_complete, G_DIR_SEPARATOR); if (first_slash) cmp_len = first_slash - text_to_complete - 1; else cmp_len = strlen (text_to_complete + 1); if (!cmp_len) { /* ~/ */ const gchar *homedir = g_get_home_dir (); gchar *utf8_homedir = g_filename_to_utf8 (homedir, -1, NULL, NULL, NULL); if (utf8_homedir) result = open_dir (utf8_homedir, cmpl_state); else result = NULL; g_free (utf8_homedir); } else { /* ~user/ */ gchar* copy = g_new (char, cmp_len + 1); gchar *utf8_dir; struct passwd *pwd; strncpy (copy, text_to_complete + 1, cmp_len); copy[cmp_len] = 0; pwd = getpwnam (copy); g_free (copy); if (!pwd) { cmpl_errno = errno; return NULL; } utf8_dir = g_filename_to_utf8 (pwd->pw_dir, -1, NULL, NULL, NULL); result = open_dir (utf8_dir, cmpl_state); g_free (utf8_dir); } return result; } #endif /* open a directory relative the the current relative directory */ static CompletionDir* open_relative_dir (gchar *dir_name, CompletionDir *dir, CompletionState *cmpl_state) { CompletionDir *result; GString *path; path = g_string_sized_new (dir->fullname_len + strlen (dir_name) + 10); g_string_assign (path, dir->fullname); if (dir->fullname_len > 1 && path->str[dir->fullname_len - 1] != G_DIR_SEPARATOR) g_string_append_c (path, G_DIR_SEPARATOR); g_string_append (path, dir_name); result = open_dir (path->str, cmpl_state); g_string_free (path, TRUE); return result; } /* after the cache lookup fails, really open a new directory */ static CompletionDirSent* open_new_dir (gchar *dir_name, struct stat *sbuf, gboolean stat_subdirs) { CompletionDirSent *sent; GDir *directory; const char *dirent; GError *error = NULL; gint entry_count = 0; gint n_entries = 0; gint i; struct stat ent_sbuf; GString *path; gchar *sys_dir_name; sent = g_new (CompletionDirSent, 1); #ifndef G_PLATFORM_WIN32 sent->mtime = sbuf->st_mtime; sent->inode = sbuf->st_ino; sent->device = sbuf->st_dev; #endif path = g_string_sized_new (2*MAXPATHLEN + 10); sys_dir_name = g_filename_from_utf8 (dir_name, -1, NULL, NULL, NULL); if (!sys_dir_name) { cmpl_errno = CMPL_ERRNO_DID_NOT_CONVERT; return NULL; } directory = g_dir_open (sys_dir_name, 0, &error); if (!directory) { cmpl_errno = error->code; /* ??? */ g_free (sys_dir_name); return NULL; } while ((dirent = g_dir_read_name (directory)) != NULL) entry_count++; entry_count += 2; /* For ".",".." */ sent->entries = g_new (CompletionDirEntry, entry_count); sent->entry_count = entry_count; g_dir_rewind (directory); for (i = 0; i < entry_count; i += 1) { GError *error = NULL; if (i == 0) dirent = "."; else if (i == 1) dirent = ".."; else { dirent = g_dir_read_name (directory); if (!dirent) /* Directory changed */ break; } sent->entries[n_entries].entry_name = g_filename_to_utf8 (dirent, -1, NULL, NULL, &error); if (sent->entries[n_entries].entry_name == NULL || !g_utf8_validate (sent->entries[n_entries].entry_name, -1, NULL)) { gchar *escaped_str = g_strescape (dirent, NULL); g_message (_("The filename \"%s\" couldn't be converted to UTF-8 " "(try setting the environment variable G_BROKEN_FILENAMES): %s"), escaped_str, error->message ? error->message : _("Invalid UTF-8")); g_free (escaped_str); g_clear_error (&error); continue; } g_clear_error (&error); sent->entries[n_entries].sort_key = g_utf8_collate_key (sent->entries[n_entries].entry_name, -1); g_string_assign (path, sys_dir_name); if (path->str[path->len-1] != G_DIR_SEPARATOR) { g_string_append_c (path, G_DIR_SEPARATOR); } g_string_append (path, dirent); if (stat_subdirs) { /* Here we know path->str is a "system charset" string */ if (stat (path->str, &ent_sbuf) >= 0 && S_ISDIR (ent_sbuf.st_mode)) sent->entries[n_entries].is_dir = TRUE; else /* stat may fail, and we don't mind, since it could be a * dangling symlink. */ sent->entries[n_entries].is_dir = FALSE; } else sent->entries[n_entries].is_dir = 1; n_entries++; } sent->entry_count = n_entries; g_free (sys_dir_name); g_string_free (path, TRUE); qsort (sent->entries, sent->entry_count, sizeof (CompletionDirEntry), compare_cmpl_dir); g_dir_close (directory); return sent; } #ifndef G_PLATFORM_WIN32 static gboolean check_dir (gchar *dir_name, struct stat *result, gboolean *stat_subdirs) { /* A list of directories that we know only contain other directories. * Trying to stat every file in these directories would be very * expensive. */ static struct { gchar *name; gboolean present; struct stat statbuf; } no_stat_dirs[] = { { "/afs", FALSE, { 0 } }, { "/net", FALSE, { 0 } } }; static const gint n_no_stat_dirs = G_N_ELEMENTS (no_stat_dirs); static gboolean initialized = FALSE; gchar *sys_dir_name; gint i; if (!initialized) { initialized = TRUE; for (i = 0; i < n_no_stat_dirs; i++) { if (stat (no_stat_dirs[i].name, &no_stat_dirs[i].statbuf) == 0) no_stat_dirs[i].present = TRUE; } } sys_dir_name = g_filename_from_utf8 (dir_name, -1, NULL, NULL, NULL); if (!sys_dir_name) { cmpl_errno = CMPL_ERRNO_DID_NOT_CONVERT; return FALSE; } if (stat (sys_dir_name, result) < 0) { g_free (sys_dir_name); cmpl_errno = errno; return FALSE; } g_free (sys_dir_name); *stat_subdirs = TRUE; for (i = 0; i < n_no_stat_dirs; i++) { if (no_stat_dirs[i].present && (no_stat_dirs[i].statbuf.st_dev == result->st_dev) && (no_stat_dirs[i].statbuf.st_ino == result->st_ino)) { *stat_subdirs = FALSE; break; } } return TRUE; } #endif /* open a directory by absolute pathname */ static CompletionDir* open_dir (gchar *dir_name, CompletionState *cmpl_state) { #ifndef G_PLATFORM_WIN32 struct stat sbuf; gboolean stat_subdirs; GList* cdsl; #endif CompletionDirSent *sent; #ifndef G_PLATFORM_WIN32 if (!check_dir (dir_name, &sbuf, &stat_subdirs)) return NULL; cdsl = cmpl_state->directory_sent_storage; while (cdsl) { sent = cdsl->data; if (sent->inode == sbuf.st_ino && sent->mtime == sbuf.st_mtime && sent->device == sbuf.st_dev) return attach_dir (sent, dir_name, cmpl_state); cdsl = cdsl->next; } sent = open_new_dir (dir_name, &sbuf, stat_subdirs); #else sent = open_new_dir (dir_name, NULL, TRUE); #endif if (sent) { cmpl_state->directory_sent_storage = g_list_prepend (cmpl_state->directory_sent_storage, sent); return attach_dir (sent, dir_name, cmpl_state); } return NULL; } static CompletionDir* attach_dir (CompletionDirSent *sent, gchar *dir_name, CompletionState *cmpl_state) { CompletionDir* new_dir; new_dir = g_new (CompletionDir, 1); cmpl_state->directory_storage = g_list_prepend (cmpl_state->directory_storage, new_dir); new_dir->sent = sent; new_dir->fullname = g_strdup (dir_name); new_dir->fullname_len = strlen (dir_name); new_dir->cmpl_text = NULL; return new_dir; } static gint correct_dir_fullname (CompletionDir* cmpl_dir) { gint length = strlen (cmpl_dir->fullname); gchar *first_slash = strchr (cmpl_dir->fullname, G_DIR_SEPARATOR); gchar *sys_filename; struct stat sbuf; /* Does it end with /. (\.) ? */ if (length >= 2 && strcmp (cmpl_dir->fullname + length - 2, G_DIR_SEPARATOR_S ".") == 0) { /* Is it just the root directory (on a drive) ? */ if (cmpl_dir->fullname + length - 2 == first_slash) { cmpl_dir->fullname[length - 1] = 0; cmpl_dir->fullname_len = length - 1; return TRUE; } else { cmpl_dir->fullname[length - 2] = 0; } } /* Ends with /./ (\.\)? */ else if (length >= 3 && strcmp (cmpl_dir->fullname + length - 3, G_DIR_SEPARATOR_S "." G_DIR_SEPARATOR_S) == 0) cmpl_dir->fullname[length - 2] = 0; /* Ends with /.. (\..) ? */ else if (length >= 3 && strcmp (cmpl_dir->fullname + length - 3, G_DIR_SEPARATOR_S "..") == 0) { /* Is it just /.. (X:\..)? */ if (cmpl_dir->fullname + length - 3 == first_slash) { cmpl_dir->fullname[length - 2] = 0; cmpl_dir->fullname_len = length - 2; return TRUE; } sys_filename = g_filename_from_utf8 (cmpl_dir->fullname, -1, NULL, NULL, NULL); if (!sys_filename) { cmpl_errno = CMPL_ERRNO_DID_NOT_CONVERT; return FALSE; } if (stat (sys_filename, &sbuf) < 0) { g_free (sys_filename); cmpl_errno = errno; return FALSE; } g_free (sys_filename); cmpl_dir->fullname[length - 3] = 0; if (!correct_parent (cmpl_dir, &sbuf)) return FALSE; } /* Ends with /../ (\..\)? */ else if (length >= 4 && strcmp (cmpl_dir->fullname + length - 4, G_DIR_SEPARATOR_S ".." G_DIR_SEPARATOR_S) == 0) { /* Is it just /../ (X:\..\)? */ if (cmpl_dir->fullname + length - 4 == first_slash) { cmpl_dir->fullname[length - 3] = 0; cmpl_dir->fullname_len = length - 3; return TRUE; } sys_filename = g_filename_from_utf8 (cmpl_dir->fullname, -1, NULL, NULL, NULL); if (!sys_filename) { cmpl_errno = CMPL_ERRNO_DID_NOT_CONVERT; return FALSE; } if (stat (sys_filename, &sbuf) < 0) { g_free (sys_filename); cmpl_errno = errno; return FALSE; } g_free (sys_filename); cmpl_dir->fullname[length - 4] = 0; if (!correct_parent (cmpl_dir, &sbuf)) return FALSE; } cmpl_dir->fullname_len = strlen (cmpl_dir->fullname); return TRUE; } static gint correct_parent (CompletionDir *cmpl_dir, struct stat *sbuf) { struct stat parbuf; gchar *last_slash; gchar *first_slash; #ifndef G_PLATFORM_WIN32 gchar *new_name; #endif gchar *sys_filename; gchar c = 0; last_slash = strrchr (cmpl_dir->fullname, G_DIR_SEPARATOR); g_assert (last_slash); first_slash = strchr (cmpl_dir->fullname, G_DIR_SEPARATOR); /* Clever (?) way to check for top-level directory that works also on * Win32, where there is a drive letter and colon prefixed... */ if (last_slash != first_slash) { last_slash[0] = 0; } else { c = last_slash[1]; last_slash[1] = 0; } sys_filename = g_filename_from_utf8 (cmpl_dir->fullname, -1, NULL, NULL, NULL); if (!sys_filename) { cmpl_errno = CMPL_ERRNO_DID_NOT_CONVERT; if (!c) last_slash[0] = G_DIR_SEPARATOR; return FALSE; } if (stat (sys_filename, &parbuf) < 0) { g_free (sys_filename); cmpl_errno = errno; if (!c) last_slash[0] = G_DIR_SEPARATOR; return FALSE; } g_free (sys_filename); #ifndef G_PLATFORM_WIN32 /* No inode numbers on Win32 */ if (parbuf.st_ino == sbuf->st_ino && parbuf.st_dev == sbuf->st_dev) /* it wasn't a link */ return TRUE; if (c) last_slash[1] = c; else last_slash[0] = G_DIR_SEPARATOR; /* it was a link, have to figure it out the hard way */ new_name = find_parent_dir_fullname (cmpl_dir->fullname); if (!new_name) return FALSE; g_free (cmpl_dir->fullname); cmpl_dir->fullname = new_name; #endif return TRUE; } #ifndef G_PLATFORM_WIN32 static gchar* find_parent_dir_fullname (gchar* dirname) { gchar *sys_orig_dir; gchar *result; gchar *sys_cwd; gchar *sys_dirname; sys_orig_dir = g_get_current_dir (); sys_dirname = g_filename_from_utf8 (dirname, -1, NULL, NULL, NULL); if (!sys_dirname) { g_free (sys_orig_dir); cmpl_errno = CMPL_ERRNO_DID_NOT_CONVERT; return NULL; } if (chdir (sys_dirname) != 0 || chdir ("..") != 0) { cmpl_errno = errno; chdir (sys_orig_dir); g_free (sys_dirname); g_free (sys_orig_dir); return NULL; } g_free (sys_dirname); sys_cwd = g_get_current_dir (); result = g_filename_to_utf8 (sys_cwd, -1, NULL, NULL, NULL); g_free (sys_cwd); if (chdir (sys_orig_dir) != 0) { cmpl_errno = errno; g_free (sys_orig_dir); return NULL; } g_free (sys_orig_dir); return result; } #endif /**********************************************************************/ /* Completion Operations */ /**********************************************************************/ #ifdef HAVE_PWD_H static PossibleCompletion* attempt_homedir_completion (gchar *text_to_complete, CompletionState *cmpl_state) { gint index, length; if (!cmpl_state->user_dir_name_buffer && !get_pwdb (cmpl_state)) return NULL; length = strlen (text_to_complete) - 1; cmpl_state->user_completion_index += 1; while (cmpl_state->user_completion_index < cmpl_state->user_directories_len) { index = first_diff_index (text_to_complete + 1, cmpl_state->user_directories [cmpl_state->user_completion_index].login); switch (index) { case PATTERN_MATCH: break; default: if (cmpl_state->last_valid_char < (index + 1)) cmpl_state->last_valid_char = index + 1; cmpl_state->user_completion_index += 1; continue; } cmpl_state->the_completion.is_a_completion = 1; cmpl_state->the_completion.is_directory = TRUE; append_completion_text ("~", cmpl_state); append_completion_text (cmpl_state-> user_directories[cmpl_state->user_completion_index].login, cmpl_state); return append_completion_text (G_DIR_SEPARATOR_S, cmpl_state); } if (text_to_complete[1] || cmpl_state->user_completion_index > cmpl_state->user_directories_len) { cmpl_state->user_completion_index = -1; return NULL; } else { cmpl_state->user_completion_index += 1; cmpl_state->the_completion.is_a_completion = 1; cmpl_state->the_completion.is_directory = TRUE; return append_completion_text ("~" G_DIR_SEPARATOR_S, cmpl_state); } } #endif #ifdef G_PLATFORM_WIN32 /* FIXME: determine whether we should casefold all Unicode letters * here, too (and in in first_diff_index() walk through the strings with * g_utf8_next_char()), or if this folding isn't actually needed at * all. */ #define FOLD(c) (tolower(c)) #else #define FOLD(c) (c) #endif /* returns the index (>= 0) of the first differing character, * PATTERN_MATCH if the completion matches */ static gint first_diff_index (gchar *pat, gchar *text) { gint diff = 0; while (*pat && *text && FOLD (*text) == FOLD (*pat)) { pat += 1; text += 1; diff += 1; } if (*pat) return diff; return PATTERN_MATCH; } static PossibleCompletion* append_completion_text (gchar *text, CompletionState *cmpl_state) { gint len, i = 1; if (!cmpl_state->the_completion.text) return NULL; len = strlen (text) + strlen (cmpl_state->the_completion.text) + 1; if (cmpl_state->the_completion.text_alloc > len) { strcat (cmpl_state->the_completion.text, text); return &cmpl_state->the_completion; } while (i < len) i <<= 1; cmpl_state->the_completion.text_alloc = i; cmpl_state->the_completion.text = (gchar*) g_realloc (cmpl_state->the_completion.text, i); if (!cmpl_state->the_completion.text) return NULL; else { strcat (cmpl_state->the_completion.text, text); return &cmpl_state->the_completion; } } static CompletionDir* find_completion_dir (gchar *text_to_complete, gchar **remaining_text, CompletionState *cmpl_state) { gchar* first_slash = strchr (text_to_complete, G_DIR_SEPARATOR); CompletionDir* dir = cmpl_state->reference_dir; CompletionDir* next; *remaining_text = text_to_complete; while (first_slash) { gint len = first_slash - *remaining_text; gint found = 0; gchar *found_name = NULL; /* Quiet gcc */ gint i; gchar* pat_buf = g_new (gchar, len + 1); strncpy (pat_buf, *remaining_text, len); pat_buf[len] = 0; for (i = 0; i < dir->sent->entry_count; i += 1) { if (dir->sent->entries[i].is_dir && _gtk_fnmatch (pat_buf, dir->sent->entries[i].entry_name)) { if (found) { g_free (pat_buf); return dir; } else { found = 1; found_name = dir->sent->entries[i].entry_name; } } } if (!found) { /* Perhaps we are trying to open an automount directory */ found_name = pat_buf; } next = open_relative_dir (found_name, dir, cmpl_state); if (!next) { g_free (pat_buf); return NULL; } next->cmpl_parent = dir; dir = next; if (!correct_dir_fullname (dir)) { g_free (pat_buf); return NULL; } *remaining_text = first_slash + 1; first_slash = strchr (*remaining_text, G_DIR_SEPARATOR); g_free (pat_buf); } return dir; } static void update_cmpl (PossibleCompletion *poss, CompletionState *cmpl_state) { gint cmpl_len; if (!poss || !cmpl_is_a_completion (poss)) return; cmpl_len = strlen (cmpl_this_completion (poss)); if (cmpl_state->updated_text_alloc < cmpl_len + 1) { cmpl_state->updated_text_alloc = 2*cmpl_len; cmpl_state->updated_text = (gchar*)g_realloc (cmpl_state->updated_text, cmpl_state->updated_text_alloc); } if (cmpl_state->updated_text_len < 0) { strcpy (cmpl_state->updated_text, cmpl_this_completion (poss)); cmpl_state->updated_text_len = cmpl_len; cmpl_state->re_complete = cmpl_is_directory (poss); } else if (cmpl_state->updated_text_len == 0) { cmpl_state->re_complete = FALSE; } else { gint first_diff = first_diff_index (cmpl_state->updated_text, cmpl_this_completion (poss)); cmpl_state->re_complete = FALSE; if (first_diff == PATTERN_MATCH) return; if (first_diff > cmpl_state->updated_text_len) strcpy (cmpl_state->updated_text, cmpl_this_completion (poss)); cmpl_state->updated_text_len = first_diff; cmpl_state->updated_text[first_diff] = 0; } } static PossibleCompletion* attempt_file_completion (CompletionState *cmpl_state) { gchar *pat_buf, *first_slash; CompletionDir *dir = cmpl_state->active_completion_dir; dir->cmpl_index += 1; if (dir->cmpl_index == dir->sent->entry_count) { if (dir->cmpl_parent == NULL) { cmpl_state->active_completion_dir = NULL; return NULL; } else { cmpl_state->active_completion_dir = dir->cmpl_parent; return attempt_file_completion (cmpl_state); } } g_assert (dir->cmpl_text); first_slash = strchr (dir->cmpl_text, G_DIR_SEPARATOR); if (first_slash) { gint len = first_slash - dir->cmpl_text; pat_buf = g_new (gchar, len + 1); strncpy (pat_buf, dir->cmpl_text, len); pat_buf[len] = 0; } else { gint len = strlen (dir->cmpl_text); pat_buf = g_new (gchar, len + 2); strcpy (pat_buf, dir->cmpl_text); /* Don't append a * if the user entered one herself. * This way one can complete *.h and don't get matches * on any .help files, for instance. */ if (strchr (pat_buf, '*') == NULL) strcpy (pat_buf + len, "*"); } if (first_slash) { if (dir->sent->entries[dir->cmpl_index].is_dir) { if (_gtk_fnmatch (pat_buf, dir->sent->entries[dir->cmpl_index].entry_name)) { CompletionDir* new_dir; new_dir = open_relative_dir (dir->sent->entries[dir->cmpl_index].entry_name, dir, cmpl_state); if (!new_dir) { g_free (pat_buf); return NULL; } new_dir->cmpl_parent = dir; new_dir->cmpl_index = -1; new_dir->cmpl_text = g_strdup (first_slash + 1); cmpl_state->active_completion_dir = new_dir; g_free (pat_buf); return attempt_file_completion (cmpl_state); } else { g_free (pat_buf); return attempt_file_completion (cmpl_state); } } else { g_free (pat_buf); return attempt_file_completion (cmpl_state); } } else { if (dir->cmpl_parent != NULL) { append_completion_text (dir->fullname + strlen (cmpl_state->completion_dir->fullname) + 1, cmpl_state); append_completion_text (G_DIR_SEPARATOR_S, cmpl_state); } append_completion_text (dir->sent->entries[dir->cmpl_index].entry_name, cmpl_state); cmpl_state->the_completion.is_a_completion = _gtk_fnmatch (pat_buf, dir->sent->entries[dir->cmpl_index].entry_name); cmpl_state->the_completion.is_directory = dir->sent->entries[dir->cmpl_index].is_dir; if (dir->sent->entries[dir->cmpl_index].is_dir) append_completion_text (G_DIR_SEPARATOR_S, cmpl_state); g_free (pat_buf); return &cmpl_state->the_completion; } } #ifdef HAVE_PWD_H static gint get_pwdb (CompletionState* cmpl_state) { struct passwd *pwd_ptr; gchar* buf_ptr; gchar *utf8; gint len = 0, i, count = 0; if (cmpl_state->user_dir_name_buffer) return TRUE; setpwent (); while ((pwd_ptr = getpwent ()) != NULL) { utf8 = g_filename_to_utf8 (pwd_ptr->pw_name, -1, NULL, NULL, NULL); len += strlen (utf8); g_free (utf8); utf8 = g_filename_to_utf8 (pwd_ptr->pw_dir, -1, NULL, NULL, NULL); len += strlen (utf8); g_free (utf8); len += 2; count += 1; } setpwent (); cmpl_state->user_dir_name_buffer = g_new (gchar, len); cmpl_state->user_directories = g_new (CompletionUserDir, count); cmpl_state->user_directories_len = count; buf_ptr = cmpl_state->user_dir_name_buffer; for (i = 0; i < count; i += 1) { pwd_ptr = getpwent (); if (!pwd_ptr) { cmpl_errno = errno; goto error; } utf8 = g_filename_to_utf8 (pwd_ptr->pw_name, -1, NULL, NULL, NULL); strcpy (buf_ptr, utf8); g_free (utf8); cmpl_state->user_directories[i].login = buf_ptr; buf_ptr += strlen (buf_ptr); buf_ptr += 1; utf8 = g_filename_to_utf8 (pwd_ptr->pw_dir, -1, NULL, NULL, NULL); strcpy (buf_ptr, utf8); g_free (utf8); cmpl_state->user_directories[i].homedir = buf_ptr; buf_ptr += strlen (buf_ptr); buf_ptr += 1; } qsort (cmpl_state->user_directories, cmpl_state->user_directories_len, sizeof (CompletionUserDir), compare_user_dir); endpwent (); return TRUE; error: if (cmpl_state->user_dir_name_buffer) g_free (cmpl_state->user_dir_name_buffer); if (cmpl_state->user_directories) g_free (cmpl_state->user_directories); cmpl_state->user_dir_name_buffer = NULL; cmpl_state->user_directories = NULL; return FALSE; } static gint compare_user_dir (const void *a, const void *b) { return strcmp ((((CompletionUserDir*)a))->login, (((CompletionUserDir*)b))->login); } #endif static gint compare_cmpl_dir (const void *a, const void *b) { return strcmp (((CompletionDirEntry*)a)->sort_key, (((CompletionDirEntry*)b))->sort_key); } static gint cmpl_state_okay (CompletionState* cmpl_state) { return cmpl_state && cmpl_state->reference_dir; } static const gchar* cmpl_strerror (gint err) { if (err == CMPL_ERRNO_TOO_LONG) return _("Name too long"); else if (err == CMPL_ERRNO_DID_NOT_CONVERT) return _("Couldn't convert filename"); else return g_strerror (err); }