/* 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 #ifdef HAVE_DIRENT_H #include #endif #include #ifdef HAVE_UNISTD_H #include #endif #include #include #ifdef HAVE_PWD_H #include #endif #include "fnmatch.h" #include "gdk/gdkkeysyms.h" #include "gtkbutton.h" #include "gtkentry.h" #include "gtkfilesel.h" #include "gtkhbox.h" #include "gtkhbbox.h" #include "gtklabel.h" #include "gtklist.h" #include "gtklistitem.h" #include "gtkmain.h" #include "gtkscrolledwindow.h" #include "gtkstock.h" #include "gtksignal.h" #include "gtkvbox.h" #include "gtkmenu.h" #include "gtkmenuitem.h" #include "gtkoptionmenu.h" #include "gtkclist.h" #include "gtkdialog.h" #include "gtkmessagedialog.h" #include "gtkintl.h" #if defined(G_OS_WIN32) || defined(G_WITH_CYGWIN) #define STRICT #include #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 */ #endif /* G_OS_WIN32 || G_WITH_CYGWIN */ #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 /* The arguments used by all fnmatch() calls below */ #define FNMATCH_FLAGS (FNM_PATHNAME | FNM_PERIOD) #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 { ino_t inode; time_t mtime; dev_t device; 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; }; 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 }; /* 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 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); /* 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); /* 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 (gchar*, CompletionState* cmpl_state); /* Directory operations. */ static CompletionDir* open_ref_dir (gchar* text_to_complete, gchar** remaining_text, CompletionState* cmpl_state); #if !defined(G_OS_WIN32) && !defined(G_WITH_CYGWIN) 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 (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); static gchar* find_parent_dir_fullname (gchar* dirname); 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 */ static PossibleCompletion* attempt_homedir_completion(gchar* text_to_complete, CompletionState *cmpl_state); 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_destroy (GtkObject *object); 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_file_button (GtkWidget *widget, gint row, gint column, GdkEventButton *bevent, gpointer user_data); static void gtk_file_selection_dir_button (GtkWidget *widget, gint row, gint column, GdkEventButton *bevent, gpointer data); static void gtk_file_selection_populate (GtkFileSelection *fs, gchar *rel_path, gint try_complete); 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 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 CYGWIN32 style path. For * instance translate: * x:\somepath\file.jpg * to: * //x/somepath/file.jpg * * Replace the path in the selection text field. * Return a boolean value concerning whether a * translation had to be made. */ int translate_win32_path (GtkFileSelection *filesel) { int updated = 0; gchar *path; /* * Retrieve the current path */ path = gtk_entry_get_text (GTK_ENTRY (filesel->selection_entry)); /* * Translate only if this looks like a DOS-ish * path... First handle any drive letters. */ if (isalpha (path[0]) && (path[1] == ':')) { /* * This part kind of stinks... It isn't possible * to know if there is enough space in the current * string for the extra character required in this * conversion. Assume that there isn't enough space * and use the set function on the text field to * set the newly created string. */ gchar *newPath = g_strdup_printf ("//%c/%s", path[0], (path + 3)); gtk_entry_set_text (GTK_ENTRY (filesel->selection_entry), newPath); path = newPath; updated = 1; } /* * Now, replace backslashes with forward slashes * if necessary. */ if (strchr (path, '\\')) { int index; for (index = 0; path[index] != '\0'; index++) if (path[index] == '\\') path[index] = '/'; updated = 1; } return updated; } #endif GtkType gtk_file_selection_get_type (void) { static GtkType file_selection_type = 0; if (!file_selection_type) { static const GtkTypeInfo filesel_info = { "GtkFileSelection", sizeof (GtkFileSelection), sizeof (GtkFileSelectionClass), (GtkClassInitFunc) gtk_file_selection_class_init, (GtkObjectInitFunc) gtk_file_selection_init, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL, }; file_selection_type = gtk_type_unique (GTK_TYPE_DIALOG, &filesel_info); } return file_selection_type; } static void gtk_file_selection_class_init (GtkFileSelectionClass *class) { GObjectClass *gobject_class; GtkObjectClass *object_class; gobject_class = (GObjectClass*) class; object_class = (GtkObjectClass*) class; parent_class = gtk_type_class (GTK_TYPE_DIALOG); 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)); object_class->destroy = gtk_file_selection_destroy; } 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; 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; 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; GtkWidget *confirm_area; GtkWidget *pulldown_hbox; GtkWidget *scrolled_win; GtkDialog *dialog; char *dir_title [2]; char *file_title [2]; 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 */ 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); /* The directories clist */ dir_title[0] = _("Directories"); dir_title[1] = NULL; filesel->dir_list = gtk_clist_new_with_titles (1, (gchar**) dir_title); gtk_widget_set_usize (filesel->dir_list, DIR_LIST_WIDTH, DIR_LIST_HEIGHT); gtk_signal_connect (GTK_OBJECT (filesel->dir_list), "select_row", (GtkSignalFunc) gtk_file_selection_dir_button, (gpointer) filesel); gtk_clist_set_column_auto_resize (GTK_CLIST (filesel->dir_list), 0, TRUE); gtk_clist_column_titles_passive (GTK_CLIST (filesel->dir_list)); scrolled_win = gtk_scrolled_window_new (NULL, NULL); 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), 5); gtk_box_pack_start (GTK_BOX (list_hbox), scrolled_win, TRUE, TRUE, 0); gtk_widget_show (filesel->dir_list); gtk_widget_show (scrolled_win); /* The files clist */ file_title[0] = _("Files"); file_title[1] = NULL; filesel->file_list = gtk_clist_new_with_titles (1, (gchar**) file_title); gtk_widget_set_usize (filesel->file_list, FILE_LIST_WIDTH, FILE_LIST_HEIGHT); gtk_signal_connect (GTK_OBJECT (filesel->file_list), "select_row", (GtkSignalFunc) gtk_file_selection_file_button, (gpointer) filesel); gtk_clist_set_column_auto_resize (GTK_CLIST (filesel->file_list), 0, TRUE); gtk_clist_column_titles_passive (GTK_CLIST (filesel->file_list)); scrolled_win = gtk_scrolled_window_new (NULL, NULL); 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), 5); gtk_box_pack_start (GTK_BOX (list_hbox), scrolled_win, TRUE, TRUE, 0); 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 OK button */ filesel->ok_button = gtk_dialog_add_button (dialog, GTK_STOCK_BUTTON_OK, GTK_RESPONSE_OK); gtk_widget_grab_default (filesel->ok_button); /* The Cancel button */ filesel->cancel_button = gtk_dialog_add_button (dialog, GTK_STOCK_BUTTON_CANCEL, GTK_RESPONSE_CANCEL); /* 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); filesel->selection_text = label = gtk_label_new (""); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_box_pack_start (GTK_BOX (entry_vbox), label, FALSE, FALSE, 0); gtk_widget_show (label); filesel->selection_entry = gtk_entry_new (); gtk_signal_connect (GTK_OBJECT (filesel->selection_entry), "key_press_event", (GtkSignalFunc) gtk_file_selection_key_press, filesel); gtk_signal_connect (GTK_OBJECT (filesel->selection_entry), "insert_text", (GtkSignalFunc) gtk_file_selection_insert_text, NULL); gtk_signal_connect_object (GTK_OBJECT (filesel->selection_entry), "focus_in_event", (GtkSignalFunc) grab_default, GTK_OBJECT (filesel->ok_button)); gtk_signal_connect_object (GTK_OBJECT (filesel->selection_entry), "activate", (GtkSignalFunc) gtk_button_clicked, GTK_OBJECT (filesel->ok_button)); gtk_box_pack_start (GTK_BOX (entry_vbox), filesel->selection_entry, TRUE, TRUE, 0); gtk_widget_show (filesel->selection_entry); if (!cmpl_state_okay (filesel->cmpl_state)) { gchar err_buf[256]; sprintf (err_buf, _("Directory unreadable: %s"), cmpl_strerror (cmpl_errno)); gtk_label_set_text (GTK_LABEL (filesel->selection_text), err_buf); } else { gtk_file_selection_populate (filesel, "", FALSE); } gtk_widget_grab_focus (filesel->selection_entry); } GtkWidget* gtk_file_selection_new (const gchar *title) { GtkFileSelection *filesel; filesel = gtk_type_new (GTK_TYPE_FILE_SELECTION); gtk_window_set_title (GTK_WINDOW (filesel), title); gtk_dialog_set_has_separator (GTK_DIALOG (filesel), FALSE); return GTK_WIDGET (filesel); } void gtk_file_selection_show_fileop_buttons (GtkFileSelection *filesel) { g_return_if_fail (filesel != NULL); 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_label (_("Create Dir")); gtk_signal_connect (GTK_OBJECT (filesel->fileop_c_dir), "clicked", (GtkSignalFunc) gtk_file_selection_create_dir, (gpointer) 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_label (_("Delete File")); gtk_signal_connect (GTK_OBJECT (filesel->fileop_del_file), "clicked", (GtkSignalFunc) gtk_file_selection_delete_file, (gpointer) 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_label (_("Rename File")); gtk_signal_connect (GTK_OBJECT (filesel->fileop_ren_file), "clicked", (GtkSignalFunc) gtk_file_selection_rename_file, (gpointer) filesel); gtk_box_pack_start (GTK_BOX (filesel->button_area), filesel->fileop_ren_file, TRUE, TRUE, 0); gtk_widget_show (filesel->fileop_ren_file); } g_object_notify (G_OBJECT (filesel), "show_fileops"); gtk_widget_queue_resize (GTK_WIDGET (filesel)); } void gtk_file_selection_hide_fileop_buttons (GtkFileSelection *filesel) { g_return_if_fail (filesel != NULL); 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"); } void gtk_file_selection_set_filename (GtkFileSelection *filesel, const gchar *filename) { gchar *buf; const char *name, *last_slash; g_return_if_fail (filesel != NULL); g_return_if_fail (GTK_IS_FILE_SELECTION (filesel)); g_return_if_fail (filename != NULL); last_slash = strrchr (filename, G_DIR_SEPARATOR); if (!last_slash) { buf = g_strdup (""); name = filename; } else { buf = g_strdup (filename); buf[last_slash - filename + 1] = 0; name = last_slash + 1; } gtk_file_selection_populate (filesel, buf, FALSE); if (filesel->selection_entry) gtk_entry_set_text (GTK_ENTRY (filesel->selection_entry), name); g_free (buf); g_object_notify (G_OBJECT (filesel), "filename"); } /** * gtk_file_selection_get_filename: * @filesel: a #GtkFileSelection * * This function returns the selected filename in the C runtime's * multibyte string encoding, 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. * * Return value: currently-selected filename in locale's encoding **/ G_CONST_RETURN gchar* gtk_file_selection_get_filename (GtkFileSelection *filesel) { static gchar nothing[2] = ""; static gchar something[MAXPATHLEN*2]; char *sys_filename; char *text; g_return_val_if_fail (filesel != NULL, nothing); 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) { sys_filename = g_filename_from_utf8 (cmpl_completion_fullname (text, filesel->cmpl_state), -1, NULL, NULL, NULL); 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 (filesel != NULL); 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); } 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; } GTK_OBJECT_CLASS (parent_class)->destroy (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); gtk_signal_connect_object (GTK_OBJECT (dialog), "response", (GtkSignalFunc) gtk_widget_destroy, (gpointer) dialog); gtk_widget_show (dialog); } static void gtk_file_selection_fileop_destroy (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; g_return_if_fail (fs != NULL); g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); fs->fileop_dialog = NULL; } static void gtk_file_selection_create_dir_confirmed (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; gchar *dirname; gchar *path; gchar *full_path; gchar *sys_full_path; gchar *buf; GError *error = NULL; CompletionState *cmpl_state; g_return_if_fail (fs != NULL); 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 directory name \"%s\" contains symbols that are not allowed in filenames"), dirname); else buf = g_strdup_printf (_("Error creating directory \"%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, 0755) < 0) { buf = g_strdup_printf (_("Error creating directory \"%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); } 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 (fs != NULL); g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); if (fs->fileop_dialog) return; /* main dialog */ dialog = gtk_dialog_new (); fs->fileop_dialog = dialog; gtk_signal_connect (GTK_OBJECT (dialog), "destroy", (GtkSignalFunc) gtk_file_selection_fileop_destroy, (gpointer) fs); gtk_window_set_title (GTK_WINDOW (dialog), _("Create Directory")); gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE); /* 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 (_("_Directory 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_widget_show (fs->fileop_entry); /* buttons */ button = gtk_button_new_with_label (_("Create")); gtk_signal_connect (GTK_OBJECT (button), "clicked", (GtkSignalFunc) gtk_file_selection_create_dir_confirmed, (gpointer) fs); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area), button, TRUE, TRUE, 0); GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT); gtk_widget_show (button); button = gtk_button_new_with_label (_("Cancel")); gtk_signal_connect_object (GTK_OBJECT (button), "clicked", (GtkSignalFunc) gtk_widget_destroy, (gpointer) dialog); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area), button, TRUE, TRUE, 0); GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT); gtk_widget_grab_default (button); gtk_widget_show (button); gtk_widget_show (dialog); } static void gtk_file_selection_delete_file_confirmed (GtkWidget *widget, 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 (fs != NULL); g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); 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); } static void gtk_file_selection_delete_file (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; GtkWidget *label; GtkWidget *vbox; GtkWidget *button; GtkWidget *dialog; gchar *filename; gchar *buf; g_return_if_fail (fs != NULL); 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; fs->fileop_file = filename; /* main dialog */ fs->fileop_dialog = dialog = gtk_dialog_new (); gtk_signal_connect (GTK_OBJECT (dialog), "destroy", (GtkSignalFunc) gtk_file_selection_fileop_destroy, (gpointer) fs); gtk_window_set_title (GTK_WINDOW (dialog), _("Delete File")); gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE); /* 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); buf = g_strconcat ("Really delete file \"", filename, "\" ?", NULL); 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); /* buttons */ button = gtk_button_new_with_label (_("Delete")); gtk_signal_connect (GTK_OBJECT (button), "clicked", (GtkSignalFunc) gtk_file_selection_delete_file_confirmed, (gpointer) fs); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area), button, TRUE, TRUE, 0); GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT); gtk_widget_show (button); button = gtk_button_new_with_label (_("Cancel")); gtk_signal_connect_object (GTK_OBJECT (button), "clicked", (GtkSignalFunc) gtk_widget_destroy, (gpointer) dialog); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area), button, TRUE, TRUE, 0); GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT); gtk_widget_grab_default (button); gtk_widget_show (button); gtk_widget_show (dialog); } static void gtk_file_selection_rename_file_confirmed (GtkWidget *widget, gpointer data) { GtkFileSelection *fs = data; gchar *buf; 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 (fs != 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); } 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); gtk_file_selection_populate (fs, "", FALSE); } 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 (fs != NULL); g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); if (fs->fileop_dialog) return; fs->fileop_file = 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 (); gtk_signal_connect (GTK_OBJECT (dialog), "destroy", (GtkSignalFunc) gtk_file_selection_fileop_destroy, (gpointer) fs); gtk_window_set_title (GTK_WINDOW (dialog), _("Rename File")); gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE); /* 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_strconcat ("Rename file \"", fs->fileop_file, "\" to:", NULL); 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_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_button_new_with_label (_("Rename")); gtk_signal_connect (GTK_OBJECT (button), "clicked", (GtkSignalFunc) gtk_file_selection_rename_file_confirmed, (gpointer) fs); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area), button, TRUE, TRUE, 0); GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT); gtk_widget_show (button); button = gtk_button_new_with_label (_("Cancel")); gtk_signal_connect_object (GTK_OBJECT (button), "clicked", (GtkSignalFunc) gtk_widget_destroy, (gpointer) dialog); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area), button, TRUE, TRUE, 0); GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT); gtk_widget_grab_default (button); gtk_widget_show (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_beep (); gtk_signal_emit_stop_by_name (GTK_OBJECT (widget), "insert_text"); return FALSE; } g_free (filename); return TRUE; } 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) { fs = GTK_FILE_SELECTION (user_data); #ifdef G_WITH_CYGWIN translate_win32_path (fs); #endif text = gtk_entry_get_text (GTK_ENTRY (fs->selection_entry)); text = g_strdup (text); gtk_file_selection_populate (fs, text, TRUE); g_free (text); gtk_signal_emit_stop_by_name (GTK_OBJECT (widget), "key_press_event"); 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 (fs != NULL); 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); 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 (fs != NULL); 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); gtk_signal_connect (GTK_OBJECT (menu_item), "activate", (GtkSignalFunc) gtk_file_selection_history_callback, (gpointer) 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 void gtk_file_selection_file_button (GtkWidget *widget, gint row, gint column, GdkEventButton *bevent, gpointer user_data) { GtkFileSelection *fs = NULL; gchar *filename, *temp = NULL; g_return_if_fail (GTK_IS_CLIST (widget)); fs = user_data; g_return_if_fail (fs != NULL); g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); gtk_clist_get_text (GTK_CLIST (fs->file_list), row, 0, &temp); filename = g_strdup (temp); #ifdef G_WITH_CYGWIN /* Check to see if the selection was a drive selector */ if (isalpha (filename[0]) && (filename[1] == ':')) { /* It is... map it to a CYGWIN32 drive */ gchar *temp_filename = g_strdup_printf ("//%c/", tolower (filename[0])); g_free(filename); filename = temp_filename; } #endif /* G_WITH_CYGWIN */ if (filename) { if (bevent) switch (bevent->type) { case GDK_2BUTTON_PRESS: gtk_button_clicked (GTK_BUTTON (fs->ok_button)); break; default: gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), filename); break; } else gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), filename); g_free (filename); } } static void gtk_file_selection_dir_button (GtkWidget *widget, gint row, gint column, GdkEventButton *bevent, gpointer user_data) { GtkFileSelection *fs = NULL; gchar *filename, *temp = NULL; g_return_if_fail (GTK_IS_CLIST (widget)); fs = GTK_FILE_SELECTION (user_data); g_return_if_fail (fs != NULL); g_return_if_fail (GTK_IS_FILE_SELECTION (fs)); gtk_clist_get_text (GTK_CLIST (fs->dir_list), row, 0, &temp); filename = g_strdup (temp); if (filename) { if (bevent) switch (bevent->type) { case GDK_2BUTTON_PRESS: gtk_file_selection_populate (fs, filename, FALSE); break; default: gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), filename); break; } else gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), filename); g_free (filename); } } #if defined(G_OS_WIN32) || defined(G_WITH_CYGWIN) static void win32_gtk_add_drives_to_dir_list (GtkWidget *the_dir_list) { gchar *text[2], *textPtr; gchar buffer[128]; char volumeNameBuf[128]; char formatBuffer[128]; text[1] = NULL; /* Get the Drives string */ GetLogicalDriveStrings (sizeof (buffer), buffer); /* Add the drives as necessary */ textPtr = buffer; while (*textPtr != '\0') { /* Get the volume information for this drive */ if ((tolower (textPtr[0]) != 'a') && (tolower (textPtr[0]) != 'b')) { /* Ignore floppies (?) */ DWORD maxComponentLength, flags; GetVolumeInformation (textPtr, volumeNameBuf, sizeof(volumeNameBuf), NULL, &maxComponentLength, &flags, NULL, 0); /* Build the actual displayable string */ sprintf (formatBuffer, "%c:\\", toupper(textPtr[0])); #if 0 /* HB: removed to allow drive change AND directory update with one click */ if (strlen (volumeNameBuf) > 0) sprintf (formatBuffer, "%s (%s)", formatBuffer, volumeNameBuf); #endif /* Add to the list */ text[0] = formatBuffer; gtk_clist_append (GTK_CLIST (the_dir_list), text); } textPtr += (strlen (textPtr) + 1); } } #endif static void gtk_file_selection_populate (GtkFileSelection *fs, gchar *rel_path, gint try_complete) { CompletionState *cmpl_state; PossibleCompletion* poss; gchar* filename; gchar* rem_path = rel_path; gchar* sel_text; gchar* text[2]; gint did_recurse = FALSE; gint possible_count = 0; gint selection_index = -1; g_return_if_fail (fs != NULL); 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); gtk_clist_freeze (GTK_CLIST (fs->dir_list)); gtk_clist_clear (GTK_CLIST (fs->dir_list)); gtk_clist_freeze (GTK_CLIST (fs->file_list)); gtk_clist_clear (GTK_CLIST (fs->file_list)); /* Set the dir_list to include ./ and ../ */ text[1] = NULL; text[0] = "." G_DIR_SEPARATOR_S; gtk_clist_append (GTK_CLIST (fs->dir_list), text); text[0] = ".." G_DIR_SEPARATOR_S; gtk_clist_append (GTK_CLIST (fs->dir_list), text); while (poss) { if (cmpl_is_a_completion (poss)) { possible_count += 1; filename = cmpl_this_completion (poss); text[0] = filename; if (cmpl_is_directory (poss)) { if (strcmp (filename, "." G_DIR_SEPARATOR_S) != 0 && strcmp (filename, ".." G_DIR_SEPARATOR_S) != 0) gtk_clist_append (GTK_CLIST (fs->dir_list), text); } else { gtk_clist_append (GTK_CLIST (fs->file_list), text); } } poss = cmpl_next_completion (cmpl_state); } #if defined(G_OS_WIN32) || defined(G_WITH_CYGWIN) /* For Windows, add drives as potential selections */ win32_gtk_add_drives_to_dir_list (fs->dir_list); #endif gtk_clist_thaw (GTK_CLIST (fs->dir_list)); gtk_clist_thaw (GTK_CLIST (fs->file_list)); /* 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); g_free (dir_name); } else { if (fs->selection_entry) gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), cmpl_updated_text (cmpl_state)); } } else { selection_index = cmpl_last_valid_char (cmpl_state) - (strlen (rel_path) - strlen (rem_path)); if (fs->selection_entry) gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), rem_path); } } else { if (fs->selection_entry) gtk_entry_set_text (GTK_ENTRY (fs->selection_entry), ""); } if (!did_recurse) { if (fs->selection_entry) gtk_entry_set_position (GTK_ENTRY (fs->selection_entry), selection_index); if (fs->selection_entry) { sel_text = g_strconcat (_("Selection: "), cmpl_reference_position (cmpl_state), NULL); gtk_label_set_text (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]; sprintf (err_buf, _("Directory unreadable: %s"), cmpl_strerror (cmpl_errno)); /* BEEP gdk_beep(); */ if (fs->selection_entry) gtk_label_set_text (GTK_LABEL (fs->selection_text), err_buf); } /**********************************************************************/ /* 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; } static gint cmpl_last_valid_char (CompletionState *cmpl_state) { return cmpl_state->last_valid_char; } static gchar* cmpl_completion_fullname (gchar *text, CompletionState *cmpl_state) { static char nothing[2] = ""; if (!cmpl_state_okay (cmpl_state)) { return nothing; } else if (g_path_is_absolute (text)) { strcpy (cmpl_state->updated_text, text); } #ifdef HAVE_PWD_H else if (text[0] == '~') { CompletionDir* dir; char* slash; dir = open_user_dir (text, cmpl_state); if (!dir) { /* spencer says just return ~something, so * for now just do it. */ strcpy (cmpl_state->updated_text, text); } else { strcpy (cmpl_state->updated_text, dir->fullname); slash = strchr (text, G_DIR_SEPARATOR); if (slash) strcat (cmpl_state->updated_text, slash); } } #endif else { strcpy (cmpl_state->updated_text, cmpl_state->reference_dir->fullname); if (cmpl_state->updated_text[strlen (cmpl_state->updated_text) - 1] != G_DIR_SEPARATOR) strcat (cmpl_state->updated_text, G_DIR_SEPARATOR_S); strcat (cmpl_state->updated_text, text); } return cmpl_state->updated_text; } /* 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 */ /**********************************************************************/ static CompletionState* cmpl_init_state (void) { gchar *sys_getcwd_buf; gchar *utf8_cwd; CompletionState *new_state; new_state = g_new (CompletionState, 1); /* g_get_current_dir() returns a string in the "system" charset */ sys_getcwd_buf = g_get_current_dir (); utf8_cwd = g_filename_to_utf8 (sys_getcwd_buf, -1, NULL, NULL, NULL); g_free (sys_getcwd_buf); 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->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); 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) { gchar* first_slash; 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 = *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]; sprintf (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 == tmp) p++; *p = '\0'; new_dir = open_dir (tmp, cmpl_state); if (new_dir) *remaining_text = text_to_complete + ((p == tmp + 1) ? (p - tmp) : (p + 1 - tmp)); } else { /* If no possible candidates, use the cwd */ gchar *sys_curdir = g_get_current_dir (); gchar *utf8_curdir = g_filename_to_utf8 (sys_curdir, -1, NULL, NULL, NULL); g_free (sys_curdir); 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 (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) { /* ~/ */ gchar *homedir = g_get_home_dir (); gchar *utf8_homedir = g_filename_to_utf8 (homedir, -1, NULL, NULL, NULL); g_free (homedir); 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; DIR *directory; struct dirent *dirent_ptr; 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); sent->mtime = sbuf->st_mtime; sent->inode = sbuf->st_ino; sent->device = sbuf->st_dev; 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 = opendir (sys_dir_name); if (!directory) { cmpl_errno = errno; g_free (sys_dir_name); return NULL; } while ((dirent_ptr = readdir (directory)) != NULL) entry_count++; sent->entries = g_new (CompletionDirEntry, entry_count); sent->entry_count = entry_count; rewinddir (directory); for (i = 0; i < entry_count; i += 1) { dirent_ptr = readdir (directory); if (!dirent_ptr) { cmpl_errno = errno; closedir (directory); g_free (sys_dir_name); return NULL; } sent->entries[n_entries].entry_name = g_filename_to_utf8 (dirent_ptr->d_name, -1, NULL, NULL, NULL); if (!g_utf8_validate (sent->entries[n_entries].entry_name, -1, NULL)) { g_warning (_("The filename %s couldn't be converted to UTF-8. Try setting the environment variable G_BROKEN_FILENAMES."), dirent_ptr->d_name); continue; } 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_ptr->d_name); 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); closedir (directory); return sent; } #if !defined(G_OS_WIN32) && !defined(G_WITH_CYGWIN) 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) { struct stat sbuf; gboolean stat_subdirs; CompletionDirSent *sent; GList* cdsl; #if !defined(G_OS_WIN32) && !defined(G_WITH_CYGWIN) 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; } #else stat_subdirs = TRUE; #endif sent = open_new_dir (dir_name, &sbuf, stat_subdirs); 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); 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; gchar *new_name; 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_OS_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_OS_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) { g_free (sys_dirname); g_free (sys_orig_dir); cmpl_errno = errno; 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 #if defined(G_OS_WIN32) || defined(G_WITH_CYGWIN) #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 && fnmatch (pat_buf, dir->sent->entries[i].entry_name, FNMATCH_FLAGS)!= FNM_NOMATCH) { 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 = (gchar*)g_realloc (cmpl_state->updated_text, cmpl_state->updated_text_alloc); cmpl_state->updated_text_alloc = 2*cmpl_len; } 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 (fnmatch (pat_buf, dir->sent->entries[dir->cmpl_index].entry_name, FNMATCH_FLAGS) != FNM_NOMATCH) { 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 = 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 = fnmatch (pat_buf, dir->sent->entries[dir->cmpl_index].entry_name, FNMATCH_FLAGS) != FNM_NOMATCH; 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) { #if !defined(G_OS_WIN32) && !defined(G_WITH_CYGWIN) return strcmp ((((CompletionDirEntry*)a))->entry_name, (((CompletionDirEntry*)b))->entry_name); #else return g_strcasecmp ((((CompletionDirEntry*)a))->entry_name, (((CompletionDirEntry*)b))->entry_name); #endif } static gint cmpl_state_okay (CompletionState* cmpl_state) { return cmpl_state && cmpl_state->reference_dir; } static 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); }