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gimp/libgimpwidgets/gimpfileentry.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpfileselection.c
* Copyright (C) 1999-2000 Michael Natterer <mitch@gimp.org>
*
* 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
* Library 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.
*/
#include "config.h"
#include <glib.h> /* Needed here by Win32 gcc compilation */
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <gtk/gtk.h>
#include "gimpwidgetstypes.h"
#include "gimpfileselection.h"
#include "libgimp/libgimp-intl.h"
#ifdef G_OS_WIN32
# ifndef S_ISDIR
# define S_ISDIR(m) ((m) & _S_IFDIR)
# endif
# ifndef S_ISREG
# define S_ISREG(m) ((m) & _S_IFREG)
# endif
#endif
enum
{
FILENAME_CHANGED,
LAST_SIGNAL
};
static void gimp_file_selection_class_init (GimpFileSelectionClass *klass);
static void gimp_file_selection_init (GimpFileSelection *selection);
static void gimp_file_selection_destroy (GtkObject *object);
static void gimp_file_selection_entry_callback (GtkWidget *widget,
gpointer data);
static gint gimp_file_selection_entry_focus_out_callback (GtkWidget *widget,
GdkEvent *event,
gpointer data);
static void gimp_file_selection_browse_callback (GtkWidget *widget,
gpointer data);
static void gimp_file_selection_check_filename (GimpFileSelection *selection);
static guint gimp_file_selection_signals[LAST_SIGNAL] = { 0 };
static GtkHBoxClass *parent_class = NULL;
GType
gimp_file_selection_get_type (void)
{
static GType selection_type = 0;
if (! selection_type)
{
static const GTypeInfo selection_info =
{
sizeof (GimpFileSelectionClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_file_selection_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpFileSelection),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_file_selection_init,
};
selection_type = g_type_register_static (GTK_TYPE_HBOX,
"GimpFileSelection",
&selection_info, 0);
}
return selection_type;
}
static void
gimp_file_selection_class_init (GimpFileSelectionClass *klass)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gimp_file_selection_signals[FILENAME_CHANGED] =
g_signal_new ("filename_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpFileSelectionClass, filename_changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
object_class->destroy = gimp_file_selection_destroy;
klass->filename_changed = NULL;
}
static void
gimp_file_selection_init (GimpFileSelection *selection)
{
selection->title = NULL;
selection->file_selection = NULL;
selection->check_valid = FALSE;
selection->file_exists = NULL;
gtk_box_set_spacing (GTK_BOX (selection), 2);
gtk_box_set_homogeneous (GTK_BOX (selection), FALSE);
selection->browse_button = gtk_button_new_with_label (" ... ");
gtk_box_pack_end (GTK_BOX (selection),
selection->browse_button, FALSE, FALSE, 0);
g_signal_connect (selection->browse_button, "clicked",
G_CALLBACK (gimp_file_selection_browse_callback),
selection);
gtk_widget_show (selection->browse_button);
selection->entry = gtk_entry_new ();
gtk_box_pack_end (GTK_BOX (selection), selection->entry, TRUE, TRUE, 0);
g_signal_connect (selection->entry, "activate",
G_CALLBACK (gimp_file_selection_entry_callback),
selection);
g_signal_connect (selection->entry, "focus_out_event",
G_CALLBACK (gimp_file_selection_entry_focus_out_callback),
selection);
gtk_widget_show (selection->entry);
}
static void
gimp_file_selection_destroy (GtkObject *object)
{
GimpFileSelection *selection;
g_return_if_fail (GIMP_IS_FILE_SELECTION (object));
selection = GIMP_FILE_SELECTION (object);
if (selection->file_selection)
{
gtk_widget_destroy (selection->file_selection);
selection->file_selection = NULL;
}
if (selection->title)
{
g_free (selection->title);
selection->title = NULL;
}
if (GTK_OBJECT_CLASS (parent_class)->destroy)
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
/**
* gimp_file_selection_new:
* @title: The title of the #GtkFileSelection dialog.
* @filename: The initial filename.
* @dir_only: %TRUE if the file selection should accept directories only.
* @check_valid: %TRUE if the widget should check if the entered file
* really exists.
*
* Creates a new #GimpFileSelection widget.
*
* Returns: A pointer to the new #GimpFileSelection widget.
**/
GtkWidget *
gimp_file_selection_new (const gchar *title,
const gchar *filename,
gboolean dir_only,
gboolean check_valid)
{
GimpFileSelection *selection;
selection = g_object_new (GIMP_TYPE_FILE_SELECTION, NULL);
selection->title = g_strdup (title);
selection->dir_only = dir_only;
selection->check_valid = check_valid;
if (check_valid)
{
selection->file_exists = gtk_image_new_from_stock (GTK_STOCK_NO,
GTK_ICON_SIZE_BUTTON);
gtk_box_pack_start (GTK_BOX (selection),
selection->file_exists, FALSE, FALSE, 0);
gtk_widget_show (selection->file_exists);
}
gimp_file_selection_set_filename (selection, filename);
return GTK_WIDGET (selection);
}
/**
* gimp_file_selection_get_filename:
* @selection: The file selection you want to know the filename from.
*
* Note that you have to g_free() the returned string.
*
* Returns: The file or directory the user has entered.
**/
gchar *
gimp_file_selection_get_filename (GimpFileSelection *selection)
{
g_return_val_if_fail (GIMP_IS_FILE_SELECTION (selection), NULL);
return gtk_editable_get_chars (GTK_EDITABLE (selection->entry), 0, -1);
}
/**
* gimp_file_selection_set_filename:
* @selection: The file selection you want to set the filename for.
* @filename: The new filename.
*
* If you specified @check_valid as %TRUE in gimp_file_selection_new()
* the #GimpFileSelection will immediately check the validity of the file
* name.
*
*/
void
gimp_file_selection_set_filename (GimpFileSelection *selection,
const gchar *filename)
{
g_return_if_fail (GIMP_IS_FILE_SELECTION (selection));
gtk_entry_set_text (GTK_ENTRY (selection->entry), filename ? filename : "");
/* update everything
*/
gimp_file_selection_entry_callback (selection->entry, (gpointer) selection);
}
static void
gimp_file_selection_entry_callback (GtkWidget *widget,
gpointer data)
{
GimpFileSelection *selection;
gchar *filename;
gint len;
selection = GIMP_FILE_SELECTION (data);
/* filenames still need more sanity checking
* (erase double G_DIR_SEPARATORS, ...)
*/
filename = gtk_editable_get_chars (GTK_EDITABLE (widget), 0, -1);
filename = g_strstrip (filename);
while (((len = strlen (filename)) > 1) &&
(filename[len - 1] == G_DIR_SEPARATOR))
filename[len - 1] = '\0';
g_signal_handlers_block_by_func (selection->entry,
gimp_file_selection_entry_callback,
selection);
gtk_entry_set_text (GTK_ENTRY (selection->entry), filename);
g_signal_handlers_unblock_by_func (selection->entry,
gimp_file_selection_entry_callback,
selection);
if (selection->file_selection)
gtk_file_selection_set_filename (GTK_FILE_SELECTION (selection->file_selection),
filename);
g_free (filename);
gimp_file_selection_check_filename (selection);
gtk_editable_set_position (GTK_EDITABLE (selection->entry), -1);
g_signal_emit (selection, gimp_file_selection_signals[FILENAME_CHANGED], 0);
}
static gboolean
gimp_file_selection_entry_focus_out_callback (GtkWidget *widget,
GdkEvent *event,
gpointer data)
{
gimp_file_selection_entry_callback (widget, data);
return FALSE;
}
/* local callbacks of gimp_file_selection_browse_callback() */
static void
gimp_file_selection_filesel_ok_callback (GtkWidget *widget,
gpointer data)
{
GimpFileSelection *selection;
const gchar *filename;
selection = GIMP_FILE_SELECTION (data);
filename =
gtk_file_selection_get_filename (GTK_FILE_SELECTION (selection->file_selection));
gtk_entry_set_text (GTK_ENTRY (selection->entry), filename);
gtk_widget_hide (selection->file_selection);
/* update everything */
gimp_file_selection_entry_callback (selection->entry, data);
}
static void
gimp_file_selection_browse_callback (GtkWidget *widget,
gpointer data)
{
GimpFileSelection *selection;
gchar *filename;
selection = GIMP_FILE_SELECTION (data);
filename = gtk_editable_get_chars (GTK_EDITABLE (selection->entry), 0, -1);
if (selection->file_selection == NULL)
{
if (selection->dir_only)
{
selection->file_selection =
gtk_file_selection_new (selection->title ?
selection->title : _("Select Folder"));
/* hiding these widgets uses internal gtk+ knowledge, but it's
* easier than creating my own directory browser -- michael
*/
gtk_widget_hide
(GTK_FILE_SELECTION (selection->file_selection)->fileop_del_file);
gtk_widget_hide
(GTK_FILE_SELECTION (selection->file_selection)->file_list->parent);
}
else
{
selection->file_selection =
gtk_file_selection_new (selection->title ?
selection->title : _("Select File"));
}
gtk_window_set_position (GTK_WINDOW (selection->file_selection),
GTK_WIN_POS_MOUSE);
gtk_window_set_wmclass (GTK_WINDOW (selection->file_selection),
"file_select", "Gimp");
/* slightly compress the dialog */
gtk_container_set_border_width (GTK_CONTAINER (selection->file_selection),
2);
gtk_container_set_border_width (GTK_CONTAINER (GTK_FILE_SELECTION (selection->file_selection)->button_area),
2);
g_signal_connect
(GTK_FILE_SELECTION (selection->file_selection)->ok_button,
"clicked",
G_CALLBACK (gimp_file_selection_filesel_ok_callback),
selection);
g_signal_connect
(GTK_FILE_SELECTION (selection->file_selection)->selection_entry,
"activate",
G_CALLBACK (gimp_file_selection_filesel_ok_callback),
selection);
g_signal_connect_swapped (GTK_FILE_SELECTION (selection->file_selection)->cancel_button,
"clicked",
G_CALLBACK (gtk_widget_hide),
selection->file_selection);
g_signal_connect_swapped (selection, "unmap",
G_CALLBACK (gtk_widget_hide),
selection->file_selection);
g_signal_connect_swapped (selection->file_selection,
"delete_event",
G_CALLBACK (gtk_widget_hide),
selection->file_selection);
}
gtk_file_selection_set_filename (GTK_FILE_SELECTION (selection->file_selection),
filename);
gtk_window_present (GTK_WINDOW (selection->file_selection));
}
static void
gimp_file_selection_check_filename (GimpFileSelection *selection)
{
gchar *filename;
gboolean exists;
if (! selection->check_valid)
return;
if (selection->file_exists == NULL)
return;
filename = gtk_editable_get_chars (GTK_EDITABLE (selection->entry), 0, -1);
if (selection->dir_only)
exists = g_file_test (filename, G_FILE_TEST_IS_DIR);
else
exists = g_file_test (filename, G_FILE_TEST_IS_REGULAR);
g_free (filename);
gtk_image_set_from_stock (GTK_IMAGE (selection->file_exists),
exists ? GTK_STOCK_YES : GTK_STOCK_NO,
GTK_ICON_SIZE_BUTTON);
}
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