1 /** \file settings_ethernet.c
2 * \brief GTK3 ethernet settings widget
3 *
4 * \author Bas Wassink <b.wassink@ziggo.nl>
5 */
6
7 /*
8 * $VICERES ETHERNET_INTERFACE x64 x64sc xscpu64 x128 xvic
9 */
10
11 /*
12 * This file is part of VICE, the Versatile Commodore Emulator.
13 * See README for copyright notice.
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
28 * 02111-1307 USA.
29 *
30 */
31
32 #include "vice.h"
33
34 #include <stdio.h>
35 #include <string.h>
36 #include <gtk/gtk.h>
37 #include <stdbool.h>
38
39 #include "vice_gtk3.h"
40 #include "resources.h"
41 #include "lib.h"
42 #include "log.h"
43 #include "machine.h"
44 #ifdef HAVE_RAWNET
45 # include "rawnet.h"
46 #endif
47 #include "archdep_defs.h"
48 #include "uisettings.h"
49 #include "archdep_ethernet_available.h"
50
51
52 #include "settings_ethernet.h"
53
54
55 #ifdef HAVE_RAWNET
56 static void clean_iface_list(void);
57 #endif
58
59
60
61 /** \brief Handler for the 'destroy' event of the main widget
62 *
63 * \param[in] widget main widget (grid)
64 * \param[in] data extra event data (unused)
65 */
on_settings_ethernet_destroy(GtkWidget * widget,gpointer data)66 static void on_settings_ethernet_destroy(GtkWidget *widget, gpointer data)
67 {
68 #ifdef HAVE_RAWNET
69 clean_iface_list();
70 #endif
71 }
72
73
74
75 #ifdef HAVE_RAWNET
76
77 /** \brief List of available interfaces
78 *
79 * This list is dynamically generated and destroyed when the main widget
80 * is destroyed.
81 */
82 static vice_gtk3_combo_entry_str_t *iface_list;
83
84
85 /** \brief Build interface list for the combo box
86 *
87 * \return bool
88 */
build_iface_list(void)89 static gboolean build_iface_list(void)
90 {
91 int num = 0;
92 char *if_name;
93 char *if_desc;
94
95 /* get number of adapters */
96 if (!rawnet_enumadapter_open()) {
97 return FALSE;
98 }
99 while (rawnet_enumadapter(&if_name, &if_desc)) {
100 lib_free(if_name);
101 if (if_desc != NULL) {
102 lib_free(if_desc);
103 }
104 num++;
105 }
106 rawnet_enumadapter_close();
107
108 /* allocate memory for list */
109 iface_list = lib_malloc((size_t)(num + 1) * sizeof *iface_list);
110
111 /* now add the list items */
112 if (!rawnet_enumadapter_open()) {
113 lib_free(iface_list);
114 iface_list = NULL;
115 return FALSE;
116 }
117
118 num = 0;
119 while (rawnet_enumadapter(&if_name, &if_desc)) {
120 iface_list[num].id = lib_strdup(if_name);
121 /*
122 * On Windows, the description string seems to be always present, on
123 * Unix this isn't the case and NULL can be returned.
124 */
125 if (if_desc == NULL) {
126 iface_list[num].name = lib_strdup(if_name);
127 } else {
128 iface_list[num].name = lib_msprintf("%s (%s)", if_name, if_desc);
129 }
130 lib_free(if_name);
131 if (if_desc != NULL) {
132 lib_free(if_desc);
133 }
134
135 num++;
136 }
137 iface_list[num].id = NULL;
138 iface_list[num].name = NULL;
139 rawnet_enumadapter_close();
140 return TRUE;
141 }
142
143
144 /** \brief Free memory used by the interface list
145 */
clean_iface_list(void)146 static void clean_iface_list(void)
147 {
148 if (iface_list != NULL) {
149 int num = 0;
150 while (iface_list[num].id != NULL) {
151 lib_free(iface_list[num].id);
152 lib_free(iface_list[num].name);
153 num++;
154 }
155 lib_free(iface_list);
156 iface_list = NULL;
157 }
158 }
159
160
161
162 /** \brief Create combo box to select the ethernet interface
163 *
164 * \return GtkComboBoxText
165 */
create_device_combo(void)166 static GtkWidget *create_device_combo(void)
167 {
168 GtkWidget *combo;
169
170 if (build_iface_list()) {
171 combo = vice_gtk3_resource_combo_box_str_new("ETHERNET_INTERFACE",
172 iface_list);
173 } else {
174 combo = gtk_combo_box_text_new();
175 }
176
177 return combo;
178 }
179 #endif
180
181
182 /** \brief Create Ethernet settings widget for the settings UI
183 *
184 * \param[in] parent parent widget (ignored)
185 *
186 * \return GtkGrid
187 */
settings_ethernet_widget_create(GtkWidget * parent)188 GtkWidget *settings_ethernet_widget_create(GtkWidget *parent)
189 {
190 GtkWidget *grid;
191 GtkWidget *label;
192 char *text;
193 #ifdef HAVE_RAWNET
194 GtkWidget *combo;
195 bool available = archdep_ethernet_available();
196 debug_gtk3("Ethernet available = %s\n", available ? "True" : "False");
197 #endif
198
199 grid = vice_gtk3_grid_new_spaced(VICE_GTK3_DEFAULT, VICE_GTK3_DEFAULT);
200
201 switch (machine_class) {
202 case VICE_MACHINE_C64DTV: /* fall through */
203 case VICE_MACHINE_PLUS4: /* fall through */
204 case VICE_MACHINE_PET: /* fall through */
205 case VICE_MACHINE_CBM5x0: /* fall through */
206 case VICE_MACHINE_CBM6x0: /* fall through */
207 case VICE_MACHINE_VSID:
208
209 text = lib_msprintf(
210 "<b>Error</b>: Ethernet not supported for <b>%s</b>, "
211 "please fix the code that calls this code!",
212 machine_name);
213 label = gtk_label_new(NULL);
214 gtk_label_set_markup(GTK_LABEL(label), text);
215 gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
216 gtk_grid_attach(GTK_GRID(grid), label, 0, 0, 1, 1);
217 lib_free(text);
218 gtk_widget_show_all(grid);
219 return grid;
220 default:
221 break;
222 }
223
224 #ifdef HAVE_RAWNET
225 label = gtk_label_new("Ethernet device");
226 gtk_widget_set_halign(label, GTK_ALIGN_START);
227
228 combo = create_device_combo();
229 gtk_grid_attach(GTK_GRID(grid), label, 0, 0, 1, 1);
230 gtk_grid_attach(GTK_GRID(grid), combo, 1, 0, 1, 1);
231
232 if (!available) {
233 gtk_widget_set_sensitive(combo, FALSE);
234 label = gtk_label_new(NULL);
235 # ifdef ARCHDEP_OS_UNIX
236 gtk_label_set_markup(GTK_LABEL(label),
237 "<i>VICE needs to be run as <tt>root</tt> to be able to use ethernet emulation.</i>");
238 # elif defined(ARCHDEP_OS_WINDOWS)
239 gtk_label_set_markup(GTK_LABEL(label),
240 "<i><tt>wpcap.dll</tt> not found, please install WinPCAP to use ethernet emulation.</i>");
241 # else
242 gtk_label_set_markup(GTK_LABEL(label),
243 "<i>Ethernet emulation disabled due to unsupported OS.</i>");
244 # endif
245 g_object_set(label, "margin-left", 16, NULL);
246 gtk_widget_set_halign(label, GTK_ALIGN_START);
247 gtk_grid_attach(GTK_GRID(grid), label, 0, 1, 2, 1);
248 }
249
250
251
252
253 #else
254 label = gtk_label_new("Ethernet not supported, please compile with "
255 "--enable-ethernet.");
256 gtk_grid_attach(GTK_GRID(grid), label, 0, 0, 1, 1);
257 #endif
258
259 g_signal_connect(grid, "destroy", G_CALLBACK(on_settings_ethernet_destroy),
260 NULL);
261
262 gtk_widget_show_all(grid);
263 return grid;
264 }
265