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gtk2/gtk/gtkfilesel.c
Tim Janik afee2c67c5 applied patch from Andreas Persenius <ndap@swipnet.se> that updates the 
Wed Jul 26 12:59:31 2000  Tim Janik  <timj@gtk.org>

        * *.[hc]: applied patch from Andreas Persenius <ndap@swipnet.se> that
        updates the license headers to the GNU Lesser General Public License,
        as well as updating the copyright year to 2000.
2000-07-26 11:33:08 +00:00

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/* 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 <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <errno.h>
#ifdef HAVE_PWD_H
#include <pwd.h>
#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 "gtksignal.h"
#include "gtkvbox.h"
#include "gtkmenu.h"
#include "gtkmenuitem.h"
#include "gtkoptionmenu.h"
#include "gtkclist.h"
#include "gtkdialog.h"
#include "gtkintl.h"
#if defined(G_OS_WIN32) || defined(G_WITH_CYGWIN)
#define STRICT
#include <windows.h>
#ifdef G_OS_WIN32
#include <direct.h>
#include <io.h>
#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
/* 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)
/* 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;
};
/* 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_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 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;
newPath = g_malloc(strlen(path) + 2);
sprintf(newPath, "//%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_WINDOW, &filesel_info);
}
return file_selection_type;
}
static void
gtk_file_selection_class_init (GtkFileSelectionClass *class)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass*) class;
parent_class = gtk_type_class (GTK_TYPE_WINDOW);
object_class->destroy = gtk_file_selection_destroy;
}
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;
char *dir_title [2];
char *file_title [2];
filesel->cmpl_state = cmpl_init_state ();
/* The dialog-sized vertical box */
filesel->main_vbox = gtk_vbox_new (FALSE, 10);
gtk_container_set_border_width (GTK_CONTAINER (filesel), 10);
gtk_container_add (GTK_CONTAINER (filesel), filesel->main_vbox);
gtk_widget_show (filesel->main_vbox);
/* 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_button_box_set_spacing(GTK_BUTTON_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 = gtk_hbutton_box_new ();
gtk_button_box_set_layout(GTK_BUTTON_BOX(confirm_area), GTK_BUTTONBOX_END);
gtk_button_box_set_spacing(GTK_BUTTON_BOX(confirm_area), 5);
gtk_box_pack_end (GTK_BOX (filesel->main_vbox), confirm_area, FALSE, FALSE, 0);
gtk_widget_show (confirm_area);
/* The OK button */
filesel->ok_button = gtk_button_new_with_label (_("OK"));
GTK_WIDGET_SET_FLAGS (filesel->ok_button, GTK_CAN_DEFAULT);
gtk_box_pack_start (GTK_BOX (confirm_area), filesel->ok_button, TRUE, TRUE, 0);
gtk_widget_grab_default (filesel->ok_button);
gtk_widget_show (filesel->ok_button);
/* The Cancel button */
filesel->cancel_button = gtk_button_new_with_label (_("Cancel"));
GTK_WIDGET_SET_FLAGS (filesel->cancel_button, GTK_CAN_DEFAULT);
gtk_box_pack_start (GTK_BOX (confirm_area), filesel->cancel_button, TRUE, TRUE, 0);
gtk_widget_show (filesel->cancel_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, 0);
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_object (GTK_OBJECT (filesel->selection_entry), "focus_in_event",
(GtkSignalFunc) gtk_widget_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);
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);
}
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;
}
}
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);
}
gchar*
gtk_file_selection_get_filename (GtkFileSelection *filesel)
{
static gchar nothing[2] = "";
static gchar something[MAXPATHLEN*2];
char *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)
{
filename = g_filename_from_utf8 (cmpl_completion_fullname (text, filesel->cmpl_state));
strncpy (something, filename, sizeof (something));
g_free (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 *label;
GtkWidget *vbox;
GtkWidget *button;
GtkWidget *dialog;
g_return_if_fail (error_message != NULL);
/* main 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), _("Error"));
gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE);
/* If file dialog is grabbed, make this dialog modal too */
/* When error 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(error_message);
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);
/* yes, we free it */
g_free (error_message);
/* close button */
button = gtk_button_new_with_label (_("Close"));
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_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 *buf;
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);
if ( (mkdir (full_path, 0755) < 0) )
{
buf = g_strconcat ("Error creating directory \"", dirname, "\": ",
g_strerror(errno), NULL);
gtk_file_selection_fileop_error (fs, buf);
}
g_free (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(_("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_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 *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);
if ( (unlink (full_path) < 0) )
{
buf = g_strconcat ("Error deleting file \"", fs->fileop_file, "\": ",
g_strerror(errno), NULL);
gtk_file_selection_fileop_error (fs, buf);
}
g_free (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;
CompletionState *cmpl_state;
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);
if ( (rename (old_filename, new_filename)) < 0)
{
buf = g_strconcat ("Error renaming file \"", file, "\": ",
g_strerror(errno), NULL);
gtk_file_selection_fileop_error (fs, buf);
}
g_free (new_filename);
g_free (old_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_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_append (GTK_MENU (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 */
char temp_filename[10];
sprintf(temp_filename, "//%c/", tolower(filename[0]));
g_free(filename);
filename = g_strdup(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 *getcwd_buf;
CompletionState *new_state;
new_state = g_new (CompletionState, 1);
getcwd_buf = g_get_current_dir ();
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 (getcwd_buf, new_state);
if (!new_state->reference_dir)
{
/* Directories changing from underneath us, grumble */
strcpy (getcwd_buf, G_DIR_SEPARATOR_S);
goto tryagain;
}
g_free (getcwd_buf);
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 *curdir = g_get_current_dir ();
new_dir = open_dir(curdir, cmpl_state);
if (new_dir)
*remaining_text = text_to_complete;
g_free (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)
{
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 ();
if (homedir)
return open_dir(homedir, cmpl_state);
else
return NULL;
}
else
{
/* ~user/ */
char* copy = g_new(char, cmp_len + 1);
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;
}
return open_dir(pwd->pw_dir, cmpl_state);
}
}
#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 i;
struct stat ent_sbuf;
GString *path;
gchar *xdir;
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);
xdir = g_filename_from_utf8 (dir_name);
directory = opendir(xdir);
g_free (xdir);
if(!directory)
{
cmpl_errno = errno;
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);
return NULL;
}
sent->entries[i].entry_name = g_filename_to_utf8 (dirent_ptr->d_name);
g_string_assign (path, 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)
{
if(stat(path->str, &ent_sbuf) >= 0 && S_ISDIR(ent_sbuf.st_mode))
sent->entries[i].is_dir = TRUE;
else
/* stat may fail, and we don't mind, since it could be a
* dangling symlink. */
sent->entries[i].is_dir = FALSE;
}
else
sent->entries[i].is_dir = 1;
}
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 = sizeof(no_stat_dirs) / sizeof(no_stat_dirs[0]);
static gboolean initialized = FALSE;
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;
}
}
if(stat(dir_name, result) < 0)
{
cmpl_errno = errno;
return FALSE;
}
*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);
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;
}
if(stat(cmpl_dir->fullname, &sbuf) < 0)
{
cmpl_errno = errno;
return FALSE;
}
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;
}
if(stat(cmpl_dir->fullname, &sbuf) < 0)
{
cmpl_errno = errno;
return FALSE;
}
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 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;
}
if (stat(cmpl_dir->fullname, &parbuf) < 0)
{
cmpl_errno = errno;
if (!c)
last_slash[0] = G_DIR_SEPARATOR;
return FALSE;
}
#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 *orig_dir;
gchar *result;
orig_dir = g_get_current_dir ();
if(chdir(dirname) != 0 || chdir("..") != 0)
{
cmpl_errno = errno;
return NULL;
}
result = g_get_current_dir ();
if(chdir(orig_dir) != 0)
{
cmpl_errno = errno;
return NULL;
}
g_free (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;
gint len = 0, i, count = 0;
if(cmpl_state->user_dir_name_buffer)
return TRUE;
setpwent ();
while ((pwd_ptr = getpwent()) != NULL)
{
len += strlen(pwd_ptr->pw_name);
len += strlen(pwd_ptr->pw_dir);
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;
}
strcpy(buf_ptr, pwd_ptr->pw_name);
cmpl_state->user_directories[i].login = buf_ptr;
buf_ptr += strlen(buf_ptr);
buf_ptr += 1;
strcpy(buf_ptr, pwd_ptr->pw_dir);
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
return g_strerror (err);
}
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