4 * $Id: util.c,v 1.10 1999/01/01 07:40:34 gram Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@zing.org>
8 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #ifdef HAVE_SYS_TYPES_H
31 #include <sys/types.h>
42 #ifdef NEED_SNPRINTF_H
48 # include "snprintf.h"
54 #include "image/icon-excl.xpm"
55 #include "image/icon-ethereal.xpm"
57 const gchar *bm_key = "button mask";
59 /* Simple dialog function - Displays a dialog box with the supplied message
63 * type : One of ESD_TYPE_*.
64 * btn_mask : The address of a gint. The value passed in determines if
65 * the 'Cancel' button is displayed. The button pressed by the
66 * user is passed back.
67 * msg_format : Sprintf-style format of the text displayed in the dialog.
68 * ... : Argument list for msg_format
72 #define ESD_MAX_MSG_LEN 1024
74 simple_dialog(gint type, gint *btn_mask, gchar *msg_format, ...) {
75 GtkWidget *win, *main_vb, *top_hb, *type_pm, *msg_label,
76 *bbox, *ok_btn, *cancel_btn;
82 gchar message[ESD_MAX_MSG_LEN];
86 win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
87 gtk_container_border_width(GTK_CONTAINER(win), 7);
91 gtk_window_set_title(GTK_WINDOW(win), "Ethereal: Warning");
95 gtk_window_set_title(GTK_WINDOW(win), "Ethereal: Critical");
100 icon = icon_ethereal_xpm;
101 gtk_window_set_title(GTK_WINDOW(win), "Ethereal: Information");
105 gtk_object_set_data(GTK_OBJECT(win), bm_key, btn_mask);
107 /* Container for our rows */
108 main_vb = gtk_vbox_new(FALSE, 5);
109 gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
110 gtk_container_add(GTK_CONTAINER(win), main_vb);
111 gtk_widget_show(main_vb);
113 /* Top row: Icon and message text */
114 top_hb = gtk_hbox_new(FALSE, 10);
115 gtk_container_add(GTK_CONTAINER(main_vb), top_hb);
116 gtk_widget_show(top_hb);
118 style = gtk_widget_get_style(win);
119 cmap = gdk_colormap_get_system();
120 pixmap = gdk_pixmap_colormap_create_from_xpm_d(NULL, cmap, &mask,
121 &style->bg[GTK_STATE_NORMAL], icon);
122 type_pm = gtk_pixmap_new(pixmap, mask);
123 gtk_misc_set_alignment (GTK_MISC (type_pm), 0.5, 0.0);
124 gtk_container_add(GTK_CONTAINER(top_hb), type_pm);
125 gtk_widget_show(type_pm);
127 /* Load our vararg list into the message string */
128 va_start(ap, msg_format);
129 vsnprintf(message, ESD_MAX_MSG_LEN, msg_format, ap);
131 msg_label = gtk_label_new(message);
132 gtk_label_set_justify(GTK_LABEL(msg_label), GTK_JUSTIFY_FILL);
133 gtk_container_add(GTK_CONTAINER(top_hb), msg_label);
134 gtk_widget_show(msg_label);
137 bbox = gtk_hbutton_box_new();
138 gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END);
139 gtk_container_add(GTK_CONTAINER(main_vb), bbox);
140 gtk_widget_show(bbox);
142 ok_btn = gtk_button_new_with_label ("OK");
143 gtk_signal_connect_object(GTK_OBJECT(ok_btn), "clicked",
144 GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT (win));
145 gtk_container_add(GTK_CONTAINER(bbox), ok_btn);
146 GTK_WIDGET_SET_FLAGS(ok_btn, GTK_CAN_DEFAULT);
147 gtk_widget_grab_default(ok_btn);
148 gtk_widget_show(ok_btn);
150 if (btn_mask && *btn_mask == ESD_BTN_CANCEL) {
151 cancel_btn = gtk_button_new_with_label("Cancel");
152 gtk_signal_connect(GTK_OBJECT(cancel_btn), "clicked",
153 GTK_SIGNAL_FUNC(simple_dialog_cancel_cb), (gpointer) win);
154 gtk_container_add(GTK_CONTAINER(bbox), cancel_btn);
155 GTK_WIDGET_SET_FLAGS(cancel_btn, GTK_CAN_DEFAULT);
156 gtk_widget_show(cancel_btn);
160 *btn_mask = ESD_BTN_OK;
162 gtk_widget_show(win);
166 simple_dialog_cancel_cb(GtkWidget *w, gpointer win) {
167 gint *btn_mask = (gint *) gtk_object_get_data(win, bm_key);
170 *btn_mask = ESD_BTN_CANCEL;
171 gtk_widget_destroy(GTK_WIDGET(win));
174 /* Generate, into "buf", a string showing the bits of a bitfield.
175 Return a pointer to the character after that string. */
177 decode_bitfield_value(char *buf, guint32 val, guint32 mask, int width)
185 bit = 1 << (width - 1);
188 /* This bit is part of the field. Show its value. */
194 /* This bit is not part of the field. */
209 /* Generate a string describing a Boolean bitfield (a one-bit field that
210 says something is either true of false). */
212 decode_boolean_bitfield(guint32 val, guint32 mask, int width,
213 const char *truedesc, const char *falsedesc)
215 static char buf[1025];
218 p = decode_bitfield_value(buf, val, mask, width);
222 strcpy(p, falsedesc);
226 /* Generate a string describing an enumerated bitfield (an N-bit field
227 with various specific values having particular names). */
229 decode_enumerated_bitfield(guint32 val, guint32 mask, int width,
230 const value_string *tab, const char *fmt)
232 static char buf[1025];
235 p = decode_bitfield_value(buf, val, mask, width);
236 sprintf(p, fmt, val_to_str(val & mask, tab, "Unknown"));
240 /* Generate a string describing a numeric bitfield (an N-bit field whose
241 value is just a number). */
243 decode_numeric_bitfield(guint32 val, guint32 mask, int width,
246 static char buf[1025];
249 p = decode_bitfield_value(buf, val, mask, width);
250 sprintf(p, fmt, val & mask);