1 // Original code taken from the example webkit-gtk+ application. see notice below.
2 // Modified code is licensed under the GPL 3. See LICENSE file.
6 * Copyright (C) 2006, 2007 Apple Inc.
7 * Copyright (C) 2007 Alp Toker <alp@atoker.com>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
26 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <gdk/gdkkeys.h>
35 #include <gdk/gdkkeysyms.h>
36 #include <webkit/webkit.h>
42 #include <sys/types.h>
45 static GtkWidget* main_window;
46 static GtkWidget* modeline;
47 static WebKitWebView* web_view;
49 static gchar* history_file;
50 static gchar* home_page;
51 static gchar* uri = NULL;
52 static gchar* fifodir = NULL;
53 static gint mechmode = 0;
54 static char fifopath[64];
55 static bool modevis = FALSE;
57 static GOptionEntry entries[] =
59 { "uri", 'u', 0, G_OPTION_ARG_STRING, &uri, "Uri to load", NULL },
60 { "fifo-dir", 'd', 0, G_OPTION_ARG_STRING, &fifodir, "Directory to place FIFOs", NULL },
61 { "mechmode", 'm', 0, G_OPTION_ARG_INT, &mechmode, "Enable output suitable for machine processing", NULL },
68 void (*func)(WebKitWebView*);
71 static struct command commands[256];
72 static int numcmds = 0;
74 static void parse_command(char*);
76 static bool parse_modeline (GtkWidget* mode, GdkEventKey* event)
78 parse_command (gtk_entry_get_text (modeline));
82 static void log_history_cb (WebKitWebView* page, WebKitWebFrame* frame, gpointer data)
84 strncpy (uri, webkit_web_frame_get_uri (frame), strlen (webkit_web_frame_get_uri (frame)));
86 FILE * output_file = fopen (history_file, "a");
87 if (output_file == NULL)
89 fprintf (stderr, "Cannot open %s for logging\n", history_file);
97 timeinfo = localtime (&rawtime);
98 strftime (buffer,80,"%Y-%m-%d %H:%M:%S",timeinfo);
100 fprintf (output_file, "%s %s\n",buffer, uri);
101 fclose (output_file);
105 static void toggle_command_mode ()
109 gtk_widget_hide (modeline);
110 gtk_widget_grab_default (modeline);
114 gtk_widget_show (modeline);
115 gtk_widget_grab_focus (modeline);
120 static gboolean key_press_cb (WebKitWebView* page, GdkEventKey* event)
122 gboolean result=FALSE; //TRUE to stop other handlers from being invoked for the event. FALSE to propagate the event further.
123 if ((event->type==GDK_KEY_PRESS) && (event->keyval==GDK_Escape))
125 toggle_command_mode ();
132 static GtkWidget* create_browser ()
134 GtkWidget* scrolled_window = gtk_scrolled_window_new (NULL, NULL);
135 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
137 web_view = WEBKIT_WEB_VIEW (webkit_web_view_new ());
138 gtk_container_add (GTK_CONTAINER (scrolled_window), GTK_WIDGET (web_view));
140 g_signal_connect (G_OBJECT (web_view), "load-committed", G_CALLBACK (log_history_cb), web_view);
142 return scrolled_window;
145 static GtkWidget* create_window ()
147 GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
148 gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
149 gtk_widget_set_name (window, "Uzbl Browser");
150 g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (gtk_main_quit), NULL);
151 g_signal_connect (G_OBJECT (window), "key-press-event", G_CALLBACK(key_press_cb), NULL);
156 static GtkWidget* create_modeline ()
158 GtkWidget* modeline = gtk_entry_new ();
159 g_signal_connect (G_OBJECT (modeline), "key-press-event", G_CALLBACK(parse_modeline), modeline);
164 static void parse_command(char *command)
169 for (i = 0; i < numcmds && !done; i++)
171 if (!strcmp(command, commands[i].command))
173 printf("Parsed command \"%s\"\n", commands[i].command);
174 commands[i].func(web_view);
181 if (!strncmp("http://", command, 7))
183 printf("Loading URI \"%s\"\n", command);
185 webkit_web_view_load_uri (web_view, uri);
189 printf("Unhandled command \"%s\"\n", command);
194 static void *control_fifo()
197 sprintf(fifopath, "%s/uzbl_%d", fifodir, getpid());
199 sprintf(fifopath, "/tmp/uzbl_%d", getpid());
202 if (mkfifo (fifopath, 0666) == -1) {
203 printf("Possible error creating fifo\n");
207 printf("%s\n", fifopath);
209 printf ("Opened control fifo in %s\n", fifopath);
214 FILE *fifo = fopen(fifopath, "r");
216 printf("Could not open %s for reading\n", fifopath);
221 memset(buffer, 0, sizeof(buffer));
222 while (!feof(fifo) && fgets(buffer, sizeof(buffer), fifo)) {
223 if (strcmp(buffer, "\n")) {
224 buffer[strlen(buffer)-1] = '\0'; // Remove newline
225 parse_command(buffer);
233 static void add_command (char* cmdstr, void* function)
235 strncpy(commands[numcmds].command, cmdstr, strlen(cmdstr));
236 commands[numcmds].func = function;
240 static bool setup_gtk (int argc, char* argv[])
242 gtk_init (&argc, &argv);
244 GtkWidget* vbox = gtk_vbox_new (FALSE, 0);
245 gtk_box_pack_start (GTK_BOX (vbox), create_browser (), TRUE, TRUE, 0);
246 modeline = create_modeline ();
247 gtk_box_pack_start (GTK_BOX (vbox), modeline, FALSE, FALSE, 0);
249 main_window = create_window ();
250 gtk_container_add (GTK_CONTAINER (main_window), vbox);
251 GError *error = NULL;
253 GOptionContext* context = g_option_context_new ("- The Usable Browser, controlled entirely through a FIFO");
254 g_option_context_add_main_entries (context, entries, NULL);
255 g_option_context_add_group (context, gtk_get_option_group (TRUE));
256 g_option_context_parse (context, &argc, &argv, &error);
260 webkit_web_view_load_uri (web_view, uri);
263 gtk_widget_grab_focus (GTK_WIDGET (web_view));
264 gtk_widget_show_all (main_window);
265 gtk_widget_hide(modeline);
270 static void setup_commands ()
272 //This func. is nice but currently it cannot be used for functions that require arguments or return data. --sentientswitch
274 //Commands are grouped:
275 // nav - commands that actually navigate to different pages
276 // view - commands that affect how the page is rendered
277 // get - commands that return properties
278 // set - commands that return properties
279 //add more as necessary.
281 add_command("nav back", &webkit_web_view_go_back);
282 add_command("nav forward", &webkit_web_view_go_forward);
283 add_command("nav reload", &webkit_web_view_reload); //Buggy
284 add_command("nav stop", &webkit_web_view_stop_loading);
285 add_command("view zoom +", &webkit_web_view_zoom_in); //Can crash (when max zoom reached?).
286 add_command("view zoom -", &webkit_web_view_zoom_out); //Crashes as zoom +
287 //add_command("get uri", &webkit_web_view_get_uri);
290 static void setup_threading ()
292 pthread_t control_thread;
293 pthread_create(&control_thread, NULL, control_fifo, NULL);
296 static void setup_settings ()
298 GKeyFile* config = g_key_file_new ();
299 gboolean res = g_key_file_load_from_file (config, "./config", G_KEY_FILE_NONE, NULL); //TODO: pass config file as argument
303 printf ("Config loaded\n");
307 fprintf (stderr, "config loading failed\n"); //TODO: exit codes with gtk?
310 history_file = g_key_file_get_value (config, "behavior", "history_file", NULL);
313 printf ("Setting history file to: %s\n", history_file);
317 printf ("History logging disabled\n");
320 home_page = g_key_file_get_value (config, "behavior", "home_page", NULL);
323 printf ("Setting home page to: %s\n", home_page);
327 printf ("Home page disabled\n");
331 int main (int argc, char* argv[])
333 if (!g_thread_supported ())
334 g_thread_init (NULL);
337 setup_gtk (argc, argv);
342 printf ("Shutting down...\n");