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 GtkWidget* mainbar_label;
50 static WebKitWebView* web_view;
51 static gchar* main_title;
52 static gchar selected_url[500];
53 static gint load_progress;
54 static guint status_context_id;
55 static Window xwin = 0;
56 static char fifopath[64];
58 /* state variables (initial values coming from command line arguments but may be changed later) */
59 static gchar* uri = NULL;
60 static gchar* config_file = NULL;
61 static gboolean verbose = FALSE;
63 /* settings from config: group behaviour */
64 static gchar* history_handler = NULL;
65 static gchar* fifodir = NULL;
66 static gchar* download_handler = NULL;
67 static gboolean always_insert_mode = FALSE;
68 static gboolean show_status = FALSE;
69 static gboolean insert_mode = FALSE;
70 static gboolean status_top = FALSE;
71 static gchar* modkey = NULL;
80 /* settings from config: group bindings_internal */
81 static Binding internal_bindings[256];
82 static int num_internal_bindings = 0;
84 /* settings from config: group bindings_external */
85 static Binding external_bindings[256];
86 static int num_external_bindings = 0;
88 /* commandline arguments (set initial values for the state variables) */
89 static GOptionEntry entries[] =
91 { "uri", 'u', 0, G_OPTION_ARG_STRING, &uri, "Uri to load", NULL },
92 { "verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "Be verbose", NULL },
93 { "config", 'c', 0, G_OPTION_ARG_STRING, &config_file, "Config file", NULL },
97 /* for internal list of commands */
101 void (*func_1_param)(WebKitWebView*);
102 void (*func_2_params)(WebKitWebView*, char *);
107 update_title (GtkWindow* window);
110 run_command(const char *command, const char *args);
113 /* --- CALLBACKS --- */
115 go_back_cb (GtkWidget* widget, gpointer data) {
116 webkit_web_view_go_back (web_view);
120 go_forward_cb (GtkWidget* widget, gpointer data) {
121 webkit_web_view_go_forward (web_view);
127 gtk_widget_hide(mainbar);
129 gtk_widget_show(mainbar);
131 show_status = !show_status;
132 update_title (GTK_WINDOW (main_window));
136 link_hover_cb (WebKitWebView* page, const gchar* title, const gchar* link, gpointer data) {
137 /* underflow is allowed */
138 //gtk_statusbar_pop (main_statusbar, status_context_id);
140 // gtk_statusbar_push (main_statusbar, status_context_id, link);
141 //TODO implementation roadmap pending..
143 //ADD HOVER URL TO WINDOW TITLE
144 selected_url[0] = '\0';
146 strcpy (selected_url, link);
148 update_title (GTK_WINDOW (main_window));
152 title_change_cb (WebKitWebView* web_view, WebKitWebFrame* web_frame, const gchar* title, gpointer data) {
155 main_title = g_strdup (title);
156 update_title (GTK_WINDOW (main_window));
160 progress_change_cb (WebKitWebView* page, gint progress, gpointer data) {
161 load_progress = progress;
162 update_title (GTK_WINDOW (main_window));
166 load_commit_cb (WebKitWebView* page, WebKitWebFrame* frame, gpointer data) {
167 strcpy (uri, webkit_web_frame_get_uri (frame));
171 destroy_cb (GtkWidget* widget, gpointer data) {
178 struct tm * timeinfo;
181 timeinfo = localtime ( &rawtime );
182 strftime (date, 80, "%Y-%m-%d %H:%M:%S", timeinfo);
183 GString* args = g_string_new ("");
184 g_string_printf (args, "'%s' '%s' '%s'", uri, "TODO:page title here", date);
185 run_command(history_handler, args->str);
188 /* -- command to callback/function map for things we cannot attach to any signals */
189 // TODO: reload, home, quit
190 static Command commands[] =
192 { "back", &go_back_cb, NULL },
193 { "forward", &go_forward_cb, NULL },
194 { "refresh", &webkit_web_view_reload, NULL }, //Buggy
195 { "stop", &webkit_web_view_stop_loading, NULL },
196 { "zoom_in", &webkit_web_view_zoom_in, NULL }, //Can crash (when max zoom reached?).
197 { "zoom_out", &webkit_web_view_zoom_out, NULL },
198 { "uri", NULL, &webkit_web_view_load_uri },
199 { "toggle_status", &cb_toggle_status, NULL}
200 //{ "get uri", &webkit_web_view_get_uri},
203 /* -- CORE FUNCTIONS -- */
206 file_exists (const char * filename)
208 FILE *file = fopen (filename, "r");
216 // make sure to put '' around args, so that if there is whitespace we can still keep arguments together.
218 run_command(const char *command, const char *args) {
219 //command <uzbl conf> <uzbl pid> <uzbl win id> <uzbl fifo file> [args]
220 GString* to_execute = g_string_new ("");
222 g_string_printf (to_execute, "%s '%s' '%i' '%i' '%s' %s", command, config_file, (int) getpid() , (int) xwin, "/tmp/uzbl_25165827", args);
223 result = system(to_execute->str);
224 printf("Called %s. Result: %s\n", to_execute->str, (result ? "FALSE" : "TRUE" ));
229 parse_command(const char *command) {
232 char * command_name = strtok (command, " ");
233 char * command_param = strtok (NULL, " ,"); //dunno how this works, but it seems to work
235 Command *c_tmp = NULL;
236 for (i = 0; i < LENGTH (commands); i++) {
237 c_tmp = &commands[i];
238 if (strncmp (command_name, c_tmp->command, strlen (c_tmp->command)) == 0) {
243 if (c->func_2_params != NULL) {
244 if (command_param != NULL) {
245 printf ("command executing: \"%s %s\"\n", command_name, command_param);
246 c->func_2_params (web_view, command_param);
248 if (c->func_1_param != NULL) {
249 printf ("command executing: \"%s\"\n", command_name);
250 c->func_1_param (web_view);
252 fprintf (stderr, "command needs a parameter. \"%s\" is not complete\n", command_name);
255 } else if (c->func_1_param != NULL) {
256 printf ("command executing: \"%s\"\n", command_name);
257 c->func_1_param (web_view);
260 fprintf (stderr, "command \"%s\" not understood. ignoring.\n", command);
267 sprintf (fifopath, "%s/uzbl_%d", fifodir, (int) xwin);
269 sprintf (fifopath, "/tmp/uzbl_%d", (int) xwin);
272 if (mkfifo (fifopath, 0666) == -1) {
273 printf ("Possible error creating fifo\n");
276 printf ("Control fifo opened in %s\n", fifopath);
279 FILE *fifo = fopen (fifopath, "r");
281 printf ("Could not open %s for reading\n", fifopath);
286 memset (buffer, 0, sizeof (buffer));
287 while (!feof (fifo) && fgets (buffer, sizeof (buffer), fifo)) {
288 if (strcmp (buffer, "\n")) {
289 buffer[strlen (buffer) - 1] = '\0'; // Remove newline
290 parse_command (buffer);
300 pthread_t control_thread;
301 pthread_create(&control_thread, NULL, control_fifo, NULL);
305 update_title (GtkWindow* window) {
306 GString* string_long = g_string_new ("");
307 GString* string_short = g_string_new ("");
308 if (!always_insert_mode)
309 g_string_append (string_long, (insert_mode ? "[I] " : "[C] "));
310 g_string_append (string_long, main_title);
311 g_string_append (string_short, main_title);
312 g_string_append (string_long, " - Uzbl browser");
313 g_string_append (string_short, " - Uzbl browser");
314 if (load_progress < 100)
315 g_string_append_printf (string_long, " (%d%%)", load_progress);
317 if (selected_url[0]!=0) {
318 g_string_append_printf (string_long, " -> (%s)", selected_url);
321 gchar* title_long = g_string_free (string_long, FALSE);
322 gchar* title_short = g_string_free (string_short, FALSE);
325 gtk_window_set_title (window, title_short);
326 gtk_label_set_text(mainbar_label, title_long);
328 gtk_window_set_title (window, title_long);
332 g_free (title_short);
336 key_press_cb (WebKitWebView* page, GdkEventKey* event)
339 gboolean result=FALSE; //TRUE to stop other handlers from being invoked for the event. FALSE to propagate the event further.
340 if (event->type != GDK_KEY_PRESS)
343 //TURN OFF INSERT MODE
344 if (insert_mode && (event->keyval == GDK_Escape)) {
346 update_title (GTK_WINDOW (main_window));
350 //TURN ON INSERT MODE
351 if (!insert_mode && (event->string[0] == 'i')) {
353 update_title (GTK_WINDOW (main_window));
358 if (always_insert_mode || !insert_mode) {
359 for (i = 0; i < num_internal_bindings; i++) {
360 if (event->string[0] == internal_bindings[i].binding[0]) {
361 parse_command (internal_bindings[i].action);
367 result = (insert_mode ? FALSE : TRUE);
374 GtkWidget* scrolled_window = gtk_scrolled_window_new (NULL, NULL);
375 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
377 web_view = WEBKIT_WEB_VIEW (webkit_web_view_new ());
378 gtk_container_add (GTK_CONTAINER (scrolled_window), GTK_WIDGET (web_view));
380 g_signal_connect (G_OBJECT (web_view), "title-changed", G_CALLBACK (title_change_cb), web_view);
381 g_signal_connect (G_OBJECT (web_view), "load-progress-changed", G_CALLBACK (progress_change_cb), web_view);
382 g_signal_connect (G_OBJECT (web_view), "load-committed", G_CALLBACK (load_commit_cb), web_view);
383 g_signal_connect (G_OBJECT (web_view), "load-committed", G_CALLBACK (log_history_cb), web_view);
384 g_signal_connect (G_OBJECT (web_view), "hovering-over-link", G_CALLBACK (link_hover_cb), web_view);
385 g_signal_connect (G_OBJECT (web_view), "key-press-event", G_CALLBACK (key_press_cb), web_view);
387 return scrolled_window;
392 mainbar = gtk_hbox_new (FALSE, 0);
393 mainbar_label = gtk_label_new ("");
394 gtk_misc_set_alignment (mainbar_label, 0, 0);
395 gtk_misc_set_padding (mainbar_label, 2, 2);
396 gtk_box_pack_start (GTK_BOX (mainbar), mainbar_label, TRUE, TRUE, 0);
401 GtkWidget* create_window () {
402 GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
403 gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
404 gtk_widget_set_name (window, "Uzbl browser");
405 g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (destroy_cb), NULL);
411 add_binding (char *binding, char *action, bool internal) {
412 Binding bind = {binding, action};
414 internal_bindings[num_internal_bindings] = bind;
415 num_internal_bindings ++;
417 external_bindings[num_external_bindings] = bind;
418 num_external_bindings ++;
426 gchar** keysi = NULL;
427 gchar** keyse = NULL;
430 const char* xdg = getenv ("XDG_CONFIG_HOME");
433 printf("XDG_CONFIG_DIR: %s\n", xdg);
435 strcat (conf, "/uzbl");
436 if (file_exists (conf)) {
437 printf ("Config file %s found.\n", conf);
444 config = g_key_file_new ();
445 res = g_key_file_load_from_file (config, config_file, G_KEY_FILE_NONE, NULL);
447 printf ("Config %s loaded\n", config_file);
449 fprintf (stderr, "Config %s loading failed\n", config_file);
452 printf ("No configuration.\n");
456 history_handler = g_key_file_get_value (config, "behavior", "history_handler", NULL);
457 download_handler = g_key_file_get_value (config, "behavior", "download_handler", NULL);
458 always_insert_mode = g_key_file_get_boolean (config, "behavior", "always_insert_mode", NULL);
459 show_status = g_key_file_get_boolean (config, "behavior", "show_status", NULL);
460 modkey = g_key_file_get_value (config, "behavior", "modkey", NULL);
461 keysi = g_key_file_get_keys (config, "bindings_internal", NULL, NULL);
462 keyse = g_key_file_get_keys (config, "bindings_external", NULL, NULL);
464 fifodir = g_key_file_get_value (config, "behavior", "fifodir", NULL);
467 if (history_handler) {
468 printf ("History handler: %s\n", history_handler);
470 printf ("History handler disabled\n");
473 if (download_handler) {
474 printf ("Download manager: %s\n", download_handler);
476 printf ("Download manager disabled\n");
480 printf ("Fifo directory: %s\n", fifodir);
482 printf ("Fifo directory: /tmp\n");
485 printf ("Always insert mode: %s\n", (always_insert_mode ? "TRUE" : "FALSE"));
487 printf ("Show status: %s\n", (show_status ? "TRUE" : "FALSE"));
489 status_top = g_key_file_get_boolean (config, "behavior", "status_top", NULL);
490 printf ("Status top: %s\n", (status_top ? "TRUE" : "FALSE"));
493 printf ("Modkey: %s\n", modkey);
495 printf ("Modkey disabled\n");
500 for (i = 0; keysi[i]; i++) {
501 gchar *binding = g_key_file_get_string (config, "bindings_internal", keysi[i], NULL);
502 printf ("Action: %s, Binding: %s (internal)\n", g_strdup (keysi[i]), binding);
503 add_binding (binding, g_strdup (keysi[i]), true);
508 for (i = 0; keyse[i]; i++) {
509 gchar *binding = g_key_file_get_string (config, "bindings_external", keyse[i], NULL);
510 printf ("Action: %s, Binding: %s (external)\n", g_strdup (keyse[i]), binding);
511 add_binding (binding, g_strdup (keyse[i]), false);
517 main (int argc, char* argv[]) {
518 gtk_init (&argc, &argv);
519 if (!g_thread_supported ())
520 g_thread_init (NULL);
522 GError *error = NULL;
523 GOptionContext* context = g_option_context_new ("- some stuff here maybe someday");
524 g_option_context_add_main_entries (context, entries, NULL);
525 g_option_context_add_group (context, gtk_get_option_group (TRUE));
526 g_option_context_parse (context, &argc, &argv, &error);
529 if (always_insert_mode)
532 GtkWidget* vbox = gtk_vbox_new (FALSE, 0);
534 gtk_box_pack_start (GTK_BOX (vbox), create_mainbar (), FALSE, TRUE, 0);
535 gtk_box_pack_start (GTK_BOX (vbox), create_browser (), TRUE, TRUE, 0);
537 gtk_box_pack_start (GTK_BOX (vbox), create_mainbar (), FALSE, TRUE, 0);
539 main_window = create_window ();
540 gtk_container_add (GTK_CONTAINER (main_window), vbox);
542 webkit_web_view_load_uri (web_view, uri);
544 gtk_widget_grab_focus (GTK_WIDGET (web_view));
545 gtk_widget_show_all (main_window);
546 xwin = GDK_WINDOW_XID (GTK_WIDGET (main_window)->window);
547 printf("window_id %i\n",(int) xwin);
548 printf("pid %i\n", getpid ());
551 gtk_widget_hide(mainbar);