[gq-commit] gq/src dtutil.c,NONE,1.1 dtutil.h,NONE,1.1

[<sta...@us...>]

Update of /cvsroot/gqclient/gq/src
In directory usw-pr-cvs1:/tmp/cvs-serv973

Added Files:
	dtutil.c dtutil.h 
Log Message:
* New files to hold displaytype related common utilities
* Implemented some generic functions used to deal with binary data put into 
  a GtkEditable due to user-induced switching of displaytypes


--- NEW FILE: dtutil.c ---
/*
    GQ -- a GTK-based LDAP client
    Copyright (C) 1998-2001 Bert Vermeulen

    This file (dtutil.c) is
    Copyright (C) 2002 by Peter Stamfest

    This program is released under the Gnu General Public License with
    the additional exemption that compiling, linking, and/or using
    OpenSSL is allowed.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/* $Id: dtutil.c,v 1.1 2002/07/12 20:18:59 stamfest Exp $ */

#include <glib.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <string.h>

#include "dtutil.h"

void editable_changed_cb(GtkEditable *editable,
			 gpointer user_data)
{
     gtk_object_set_data(GTK_OBJECT(editable), 
			 "entry_changed_flag", GINT_TO_POINTER(1));
}

void editable_set_text(GtkEditable *entry, GByteArray *data,
		       GByteArray* (*encode)(const char *val, int len),
		       GByteArray* (*decode)(const char *val, int len))
{
     int len = data->len;
     char nul[] = { 0 };
     int pos = 0;
     GByteArray *copy, *encoded;
     gboolean del = FALSE;

     /* encode data */
     if (encode) {
	  encoded = encode(data->data, data->len);
	  del = TRUE;
     } else {
	  encoded = data;
	  del = FALSE;
     }

     /* append a NUL byte, so we can be sure that we have a NUL
        terminated string (though there may be a NUL somewhere in the
        data already) */

     g_byte_array_append(encoded, nul, 1);

     gtk_editable_delete_text(entry, 0, -1);
     gtk_editable_insert_text(entry, encoded->data, strlen(encoded->data), 
			      &pos);

     /* strip the extra NUL byte again... */
     g_byte_array_set_size(encoded, len);

     if (del) g_byte_array_free(encoded, TRUE);
     encoded = NULL;

     /* store a copy of the original data with the entry... */
     copy = g_byte_array_new();
     g_byte_array_append(copy, data->data, len);

     gtk_object_set_data_full(GTK_OBJECT(entry), 
			      "original_data", copy,
			      (GtkDestroyNotify) g_byte_array_free);
     gtk_object_set_data(GTK_OBJECT(entry), 
			 "decoder", decode);

     gtk_object_set_data(GTK_OBJECT(entry), 
			 "entry_changed_flag", GINT_TO_POINTER(0));
     gtk_signal_connect(GTK_OBJECT(entry), "changed",
			GTK_SIGNAL_FUNC(editable_changed_cb),
			(gpointer) NULL);
}

GByteArray *editable_get_text(GtkEditable *entry)
{
     int changed = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(entry), 
						       "entry_changed_flag"));
     GByteArray *data;
     char *c;
     GByteArray* (*decode)(const char *val, int len);

     if (changed) {
	  decode = gtk_object_get_data(GTK_OBJECT(entry), "decoder");
	  
	  c = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
	  if (decode) {
	       data = decode(c, strlen(c));
	  } else {
	       data = g_byte_array_new();
	       g_byte_array_append(data, c, strlen(c));
	  }
	  g_free(c);
     } else {
	  data = gtk_object_get_data(GTK_OBJECT(entry), "original_data");
	  gtk_object_remove_no_notify(GTK_OBJECT(entry), "original_data");
     }
     return data;
}


/* 
   Local Variables:
   c-basic-offset: 5
   End:
 */

--- NEW FILE: dtutil.h ---
/*
    GQ -- a GTK-based LDAP client
    Copyright (C) 1998-2001 Bert Vermeulen

    This file (dtutil.c) is
    Copyright (C) 2002 by Peter Stamfest and Bert Vermeulen

    This program is released under the Gnu General Public License with
    the additional exemption that compiling, linking, and/or using
    OpenSSL is allowed.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/* $Id: dtutil.h,v 1.1 2002/07/12 20:18:59 stamfest Exp $ */

#ifndef GQ_DTUTIL_H_INCLUDED
#define GQ_DTUTIL_H_INCLUDED

#include <gtk/gtk.h>
#include "config.h" 

void editable_changed_cb(GtkEditable *editable, gpointer user_data);
void editable_set_text(GtkEditable *entry, GByteArray *data,
		       GByteArray* (*encode)(const char *val, int len),
		       GByteArray* (*decode)(const char *val, int len));
GByteArray *editable_get_text(GtkEditable *entry);

#endif

/* 
   Local Variables:
   c-basic-offset: 5
   End:
 */