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.
32 #define LENGTH(x) (sizeof x / sizeof x[0])
33 #define GDK_Escape 0xff1b
37 #include <webkit/webkit.h>
42 #include <sys/types.h>
46 /* housekeeping / internal variables */
47 static GtkWidget* main_window;
48 static GtkWidget* mainbar;
49 static WebKitWebView* web_view;
50 static gchar* main_title;
51 static gchar selected_url[500];
52 static gint load_progress;
53 static guint status_context_id;
54 static Window xwin = 0;
55 static char fifopath[64];
57 /* state variables (initial values coming from command line arguments but may be changed later) */
58 static gchar* uri = NULL;
59 static gchar* config_file = NULL;
60 static gboolean verbose = FALSE;
62 /* settings from config: group behaviour */
63 static gchar* history_handler = NULL;
64 static gchar* fifodir = NULL;
65 static gchar* download_handler = NULL;
66 static gboolean always_insert_mode = FALSE;
67 static gboolean show_status = FALSE;
68 static gboolean insert_mode = FALSE;
69 static gchar* modkey = NULL;
78 /* settings from config: group bindings_internal */
79 static Binding internal_bindings[256];
80 static int num_internal_bindings = 0;
82 /* settings from config: group bindings_external */
83 static Binding external_bindings[256];
84 static int num_external_bindings = 0;
86 /* commandline arguments (set initial values for the state variables) */
87 static GOptionEntry entries[] =
89 { "uri", 'u', 0, G_OPTION_ARG_STRING, &uri, "Uri to load", NULL },
90 { "verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "Be verbose", NULL },
91 { "config", 'c', 0, G_OPTION_ARG_STRING, &config_file, "Config file", NULL },
95 /* for internal list of commands */
99 void (*func_1_param)(WebKitWebView*);
100 void (*func_2_params)(WebKitWebView*, char *);
105 update_title (GtkWindow* window);
108 run_command(const char *command, const char *args);
111 /* --- CALLBACKS --- */
113 go_back_cb (GtkWidget* widget, gpointer data) {
114 webkit_web_view_go_back (web_view);
118 go_forward_cb (GtkWidget* widget, gpointer data) {
119 webkit_web_view_go_forward (web_view);
124 link_hover_cb (WebKitWebView* page, const gchar* title, const gchar* link, gpointer data) {
125 /* underflow is allowed */
126 //gtk_statusbar_pop (main_statusbar, status_context_id);
128 // gtk_statusbar_push (main_statusbar, status_context_id, link);
129 //TODO implementation roadmap pending..
131 //ADD HOVER URL TO WINDOW TITLE
132 selected_url[0] = '\0';
134 strcpy (selected_url, link);
136 update_title (GTK_WINDOW (main_window));
140 title_change_cb (WebKitWebView* web_view, WebKitWebFrame* web_frame, const gchar* title, gpointer data) {
143 main_title = g_strdup (title);
144 update_title (GTK_WINDOW (main_window));
148 progress_change_cb (WebKitWebView* page, gint progress, gpointer data) {
149 load_progress = progress;
150 update_title (GTK_WINDOW (main_window));
154 load_commit_cb (WebKitWebView* page, WebKitWebFrame* frame, gpointer data) {
155 strcpy (uri, webkit_web_frame_get_uri (frame));
159 destroy_cb (GtkWidget* widget, gpointer data) {
165 if (history_handler) {
167 struct tm * timeinfo;
170 timeinfo = localtime ( &rawtime );
171 strftime (date, 80, "%Y-%m-%d %H:%M:%S", timeinfo);
172 GString* args = g_string_new ("");
173 g_string_printf (args, "'%s' '%s' '%s'", uri, "TODO:page title here", date);
174 run_command(history_handler, args->str);
178 /* -- command to callback/function map for things we cannot attach to any signals */
179 // TODO: reload, home, quit
180 static Command commands[] =
182 { "back", &go_back_cb, NULL },
183 { "forward", &go_forward_cb, NULL },
184 { "refresh", &webkit_web_view_reload, NULL }, //Buggy
185 { "stop", &webkit_web_view_stop_loading, NULL },
186 { "zoom_in", &webkit_web_view_zoom_in, NULL }, //Can crash (when max zoom reached?).
187 { "zoom_out", &webkit_web_view_zoom_out, NULL } ,
188 { "uri", NULL, &webkit_web_view_load_uri }
189 //{ "get uri", &webkit_web_view_get_uri},
192 /* -- CORE FUNCTIONS -- */
195 file_exists (const char * filename)
197 FILE *file = fopen (filename, "r");
205 // make sure to put '' around args, so that if there is whitespace we can still keep arguments together.
207 run_command(const char *command, const char *args) {
208 //command <uzbl conf> <uzbl pid> <uzbl win id> <uzbl fifo file> [args]
209 GString* to_execute = g_string_new ("");
211 g_string_printf (to_execute, "%s '%s' '%i' '%i' '%s' %s", command, config_file, (int) getpid() , (int) xwin, "/tmp/uzbl_25165827", args);
212 result = system(to_execute->str);
213 printf("Called %s. Result: %s\n", to_execute->str, (result ? "FALSE" : "TRUE" ));
218 parse_command(const char *command) {
221 char * command_name = strtok (command, " ");
222 char * command_param = strtok (NULL, " ,"); //dunno how this works, but it seems to work
224 Command *c_tmp = NULL;
225 for (i = 0; i < LENGTH (commands); i++) {
226 c_tmp = &commands[i];
227 if (strncmp (command_name, c_tmp->command, strlen (c_tmp->command)) == 0) {
232 if (c->func_2_params != NULL) {
233 if (command_param != NULL) {
234 printf ("command executing: \"%s %s\"\n", command_name, command_param);
235 c->func_2_params (web_view, command_param);
237 if (c->func_1_param != NULL) {
238 printf ("command executing: \"%s\"\n", command_name);
239 c->func_1_param (web_view);
241 fprintf (stderr, "command needs a parameter. \"%s\" is not complete\n", command_name);
244 } else if (c->func_1_param != NULL) {
245 printf ("command executing: \"%s\"\n", command_name);
246 c->func_1_param (web_view);
249 fprintf (stderr, "command \"%s\" not understood. ignoring.\n", command);
256 sprintf (fifopath, "%s/uzbl_%d", fifodir, (int) xwin);
258 sprintf (fifopath, "/tmp/uzbl_%d", (int) xwin);
261 if (mkfifo (fifopath, 0666) == -1) {
262 printf ("Possible error creating fifo\n");
265 printf ("Control fifo opened in %s\n", fifopath);
268 FILE *fifo = fopen (fifopath, "r");
270 printf ("Could not open %s for reading\n", fifopath);
275 memset (buffer, 0, sizeof (buffer));
276 while (!feof (fifo) && fgets (buffer, sizeof (buffer), fifo)) {
277 if (strcmp (buffer, "\n")) {
278 buffer[strlen (buffer) - 1] = '\0'; // Remove newline
279 parse_command (buffer);
289 pthread_t control_thread;
290 pthread_create(&control_thread, NULL, control_fifo, NULL);
294 update_title (GtkWindow* window) {
295 GString* string = g_string_new ("");
296 if (!always_insert_mode)
297 g_string_append (string, (insert_mode ? "[I] " : "[C] "));
298 g_string_append (string, main_title);
299 g_string_append (string, " - Uzbl browser");
300 if (load_progress < 100)
301 g_string_append_printf (string, " (%d%%)", load_progress);
303 if (selected_url[0]!=0) {
304 g_string_append_printf (string, " -> (%s)", selected_url);
307 gchar* title = g_string_free (string, FALSE);
308 gtk_window_set_title (window, title);
313 key_press_cb (WebKitWebView* page, GdkEventKey* event)
316 gboolean result=FALSE; //TRUE to stop other handlers from being invoked for the event. FALSE to propagate the event further.
317 if (event->type != GDK_KEY_PRESS)
320 //TURN OFF INSERT MODE
321 if (insert_mode && (event->keyval == GDK_Escape)) {
323 update_title (GTK_WINDOW (main_window));
327 //TURN ON INSERT MODE
328 if (!insert_mode && (event->string[0] == 'i')) {
330 update_title (GTK_WINDOW (main_window));
335 if (always_insert_mode || !insert_mode) {
336 for (i = 0; i < num_internal_bindings; i++) {
337 if (event->string[0] == internal_bindings[i].binding[0]) {
338 parse_command (internal_bindings[i].action);
344 result = (insert_mode ? FALSE : TRUE);
351 GtkWidget* scrolled_window = gtk_scrolled_window_new (NULL, NULL);
352 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window), GTK_POLICY_NEVER, GTK_POLICY_NEVER); //todo: some sort of display of position/total length. like what emacs does
354 web_view = WEBKIT_WEB_VIEW (webkit_web_view_new ());
355 gtk_container_add (GTK_CONTAINER (scrolled_window), GTK_WIDGET (web_view));
357 g_signal_connect (G_OBJECT (web_view), "title-changed", G_CALLBACK (title_change_cb), web_view);
358 g_signal_connect (G_OBJECT (web_view), "load-progress-changed", G_CALLBACK (progress_change_cb), web_view);
359 g_signal_connect (G_OBJECT (web_view), "load-committed", G_CALLBACK (load_commit_cb), web_view);
360 g_signal_connect (G_OBJECT (web_view), "load-committed", G_CALLBACK (log_history_cb), web_view);
361 g_signal_connect (G_OBJECT (web_view), "hovering-over-link", G_CALLBACK (link_hover_cb), web_view);
362 g_signal_connect (G_OBJECT (web_view), "key-press-event", G_CALLBACK (key_press_cb), web_view);
364 return scrolled_window;
369 mainbar = gtk_hbox_new (FALSE, 0);
371 //status_context_id = gtk_statusbar_get_context_id (main_statusbar, "Link Hover");
377 GtkWidget* create_window () {
378 GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
379 gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
380 gtk_widget_set_name (window, "Uzbl browser");
381 g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (destroy_cb), NULL);
387 add_binding (char *binding, char *action, bool internal) {
388 Binding bind = {binding, action};
390 internal_bindings[num_internal_bindings] = bind;
391 num_internal_bindings ++;
393 external_bindings[num_external_bindings] = bind;
394 num_external_bindings ++;
402 gchar** keysi = NULL;
403 gchar** keyse = NULL;
405 config = g_key_file_new ();
406 res = g_key_file_load_from_file (config, config_file, G_KEY_FILE_NONE, NULL);
408 printf ("Config %s loaded\n", config_file);
410 fprintf (stderr, "Config %s loading failed\n", config_file);
413 printf ("No configuration.\n");
417 history_handler = g_key_file_get_value (config, "behavior", "history_handler", NULL);
418 download_handler = g_key_file_get_value (config, "behavior", "download_handler", NULL);
419 always_insert_mode = g_key_file_get_boolean (config, "behavior", "always_insert_mode", NULL);
420 show_status = g_key_file_get_boolean (config, "behavior", "show_status", NULL);
421 modkey = g_key_file_get_value (config, "behavior", "modkey", NULL);
422 keysi = g_key_file_get_keys (config, "bindings_internal", NULL, NULL);
423 keyse = g_key_file_get_keys (config, "bindings_external", NULL, NULL);
425 fifodir = g_key_file_get_value (config, "behavior", "fifodir", NULL);
428 if (history_handler) {
429 printf ("History handler: %s\n", history_handler);
431 printf ("History handler disabled\n");
434 if (download_handler) {
435 printf ("Download manager: %s\n", download_handler);
437 printf ("Download manager disabled\n");
441 printf ("Fifo directory: %s\n", fifodir);
443 printf ("Fifo directory: /tmp\n");
446 printf ("Always insert mode: %s\n", (always_insert_mode ? "TRUE" : "FALSE"));
448 printf ("Show status: %s\n", (show_status ? "TRUE" : "FALSE"));
451 printf ("Mod key: %s\n", modkey);
453 printf ("Mod key disabled\n");
458 for (i = 0; keysi[i]; i++) {
459 gchar *binding = g_key_file_get_string (config, "bindings_internal", keysi[i], NULL);
460 printf ("Action: %s, Binding: %s (internal)\n", g_strdup (keysi[i]), binding);
461 add_binding (binding, g_strdup (keysi[i]), true);
466 for (i = 0; keyse[i]; i++) {
467 gchar *binding = g_key_file_get_string(config, "bindings_external", keyse[i], NULL);
468 printf ("Action: %s, Binding: %s (external)\n", g_strdup (keyse[i]), binding);
469 add_binding (binding, g_strdup (keyse[i]), false);
475 main (int argc, char* argv[]) {
476 gtk_init (&argc, &argv);
477 if (!g_thread_supported ())
478 g_thread_init (NULL);
480 GError *error = NULL;
481 GOptionContext* context = g_option_context_new ("- some stuff here maybe someday");
482 g_option_context_add_main_entries (context, entries, NULL);
483 g_option_context_add_group (context, gtk_get_option_group (TRUE));
484 g_option_context_parse (context, &argc, &argv, &error);
487 if (always_insert_mode)
490 GtkWidget* vbox = gtk_vbox_new (FALSE, 0);
491 gtk_box_pack_start (GTK_BOX (vbox), create_mainbar (), FALSE, TRUE, 0);
492 gtk_box_pack_start (GTK_BOX (vbox), create_browser (), TRUE, TRUE, 0);
494 main_window = create_window ();
495 gtk_container_add (GTK_CONTAINER (main_window), vbox);
497 webkit_web_view_load_uri (web_view, uri);
499 gtk_widget_grab_focus (GTK_WIDGET (web_view));
500 gtk_widget_show_all (main_window);
501 xwin = GDK_WINDOW_XID (GTK_WIDGET (main_window)->window);
502 printf("window_id %i\n",(int) xwin);
503 printf("pid %i\n", getpid ());