1 /* robotfindskitten for maemo
2 * original by Leonard Richardson, 1997
3 * ported to maemo by Thomas Thurman, 2009
6 * gcc -Wall -g rfk.c -o rfk `pkg-config --cflags --libs gtk+-2.0 hildon-1 dbus-glib-1 dbus-1`
9 #include <dbus/dbus-glib.h>
13 #include <hildon/hildon.h>
18 #define ARENA_WIDTH 25
19 #define ARENA_HEIGHT 12
21 const int amount_of_random_stuff = 15;
26 GtkWidget *arena[ARENA_WIDTH][ARENA_HEIGHT];
27 GtkWidget *intro, *table, *window, *robot, *kitten;
29 gboolean *used = NULL;
31 GdkPixbuf *robot_pic, *love_pic, *kitten_pic;
32 GtkWidget *animation_area;
34 const GdkColor black = { 0, };
36 /****************************************************************/
37 /* Random object descriptions. */
38 /****************************************************************/
47 r = random() % nki_count;
52 return g_slist_nth_data (nki, r);
55 /****************************************************************/
56 /* Placing objects. */
57 /****************************************************************/
60 place_in_arena_at_xy (GtkWidget *item, int x, int y)
64 gtk_table_attach_defaults (GTK_TABLE (table),
77 place_in_arena_randomly (GtkWidget *item)
83 x = random() % ARENA_WIDTH;
84 y = random() % ARENA_HEIGHT;
88 place_in_arena_at_xy (item, x, y);
91 /****************************************************************/
92 /* Labels representing things the robot might find. */
93 /****************************************************************/
96 random_character (gchar *description)
98 gchar character[2] = { random() % ('~'-'!') + '!', 0 };
99 gchar *escaped_character = g_markup_escape_text (character, -1);
100 gchar *markup = g_strdup_printf ("<span color=\"#%02x%02x%02x\">%s</span>",
101 (int) (random() % 0x7F)+0x80,
102 (int) (random() % 0x7F)+0x80,
103 (int) (random() % 0x7F)+0x80,
105 GtkWidget *result = gtk_label_new (NULL);
106 gtk_label_set_markup (GTK_LABEL (result), markup);
108 g_free (escaped_character);
110 g_object_set_data (G_OBJECT (result), "examine", description);
115 /****************************************************************/
116 /* Talking back to the user. */
117 /****************************************************************/
120 show_message (const char *message)
122 HildonNote* note = HILDON_NOTE
123 (hildon_note_new_information (GTK_WINDOW (window),
125 "Some message was supposed to be here."));
126 gtk_dialog_run (GTK_DIALOG (note));
127 gtk_widget_destroy (GTK_WIDGET (note));
130 /****************************************************************/
131 /* Loading the non-kitten objects. */
132 /****************************************************************/
134 ensure_messages_loaded (void)
136 FILE *nki_file = NULL;
138 gboolean headers = TRUE;
143 nki_file = fopen ("/usr/share/rfk/non-kitten-items.rfk", "r");
147 show_message ("Could not open list of non-kitten items! Must quit.");
151 while (!feof (nki_file))
154 if (fscanf (nki_file, "%a[^\n]%c", &line, &newline) == EOF)
159 if (strcmp(line, "")==0)
162 fscanf (nki_file, "%c", &newline);
167 /* we ignore all the headers for now */
172 nki = g_slist_prepend (nki, line);
179 used = g_malloc0 (nki_count);
185 robot_pic = gdk_pixbuf_new_from_file ("/usr/share/rfk/rfk-robot.png", NULL);
186 love_pic = gdk_pixbuf_new_from_file ("/usr/share/rfk/rfk-love.png", NULL);
187 kitten_pic = gdk_pixbuf_new_from_file ("/usr/share/rfk/rfk-kitten.png", NULL);
190 /****************************************************************/
191 /* The ending animation. */
192 /****************************************************************/
195 ending_animation_quit (gpointer data)
202 ending_animation_draw (GtkWidget *widget, GdkEventExpose *event, gpointer data)
204 /* We only run through once, so just make it static. */
205 static int cycle_count = 0;
207 static int robot_x = 0;
208 static int robot_stop = 0;
209 static int kitten_x = 0;
210 static int all_y = 0;
212 const int stepsize = 3;
216 all_y = (event->area.height - gdk_pixbuf_get_height (love_pic)) / 2;
218 robot_stop = gdk_pixbuf_get_width (robot_pic) + gdk_pixbuf_get_width (love_pic);
219 kitten_x = event->area.width - (cycle_count*stepsize + gdk_pixbuf_get_width (kitten_pic));
222 gdk_gc_set_foreground (widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
225 gdk_draw_rectangle (GDK_DRAWABLE(widget->window),
226 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
228 0, 0, event->area.width, event->area.height);
230 gdk_draw_pixbuf (GDK_DRAWABLE(widget->window),
231 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
235 GDK_RGB_DITHER_NONE, 0, 0);
237 gdk_draw_pixbuf (GDK_DRAWABLE(widget->window),
238 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
242 GDK_RGB_DITHER_NONE, 0, 0);
246 kitten_x -= stepsize;
248 if (robot_x+robot_stop >= kitten_x)
250 gdk_draw_pixbuf (GDK_DRAWABLE(widget->window),
251 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
253 robot_x + gdk_pixbuf_get_width (robot_pic), all_y,
255 GDK_RGB_DITHER_NONE, 0, 0);
257 g_object_unref (love_pic);
260 g_timeout_add (2000, ending_animation_quit, NULL);
267 ending_animation_step (gpointer data)
271 gdk_window_invalidate_rect (animation_area->window,
283 animation_area = gtk_drawing_area_new ();
285 gtk_container_remove (GTK_CONTAINER (window), GTK_WIDGET (table));
286 gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (animation_area));
287 gtk_widget_show_all (window);
289 g_signal_connect (G_OBJECT (animation_area),
290 "expose_event", G_CALLBACK (ending_animation_draw), NULL);
291 g_timeout_add (10, ending_animation_step, NULL);
294 /****************************************************************/
295 /* Moving the robot. Way to go, robot! */
296 /****************************************************************/
300 gchar vi_key; /* or nethack equivalent */
305 direction directions[] = {
306 { GDK_Home, 'y', -1, -1 },
307 { GDK_Left, 'h', -1, 0 },
308 { GDK_End, 'b', -1, 1 },
309 { GDK_Down, 'j', 0, 1 },
310 { GDK_Page_Down, 'n', 1, 1 },
311 { GDK_Right, 'l', 1, 0 },
312 { GDK_Page_Up, 'u', 1, -1 },
313 { GDK_Up, 'k', 0, -1 }
317 move_robot (guint8 whichway)
319 GtkWidget *new_space;
320 gint8 dx = directions[whichway].move_x;
321 gint8 dy = directions[whichway].move_y;
327 robot_x+dx>=ARENA_WIDTH ||
328 robot_y+dy>=ARENA_HEIGHT)
331 new_space = arena[robot_x+dx][robot_y+dy];
332 found = g_object_get_data (G_OBJECT (new_space), "examine");
336 show_message (found);
338 if (new_space == kitten)
347 /* just an ordinary move into an empty space */
349 g_object_ref (new_space);
351 gtk_container_remove (GTK_CONTAINER (table), robot);
352 gtk_container_remove (GTK_CONTAINER (table), new_space);
354 place_in_arena_at_xy (new_space, robot_x, robot_y);
355 place_in_arena_at_xy (robot, robot_x+dx, robot_y+dy);
357 g_object_unref (new_space);
363 /****************************************************************/
364 /* Event handlers. */
365 /****************************************************************/
368 on_window_clicked (GtkWidget *widget,
369 GdkEventButton *event,
372 /** Centre point of robot's representation on screen */
376 rx = (robot->allocation.x+robot->allocation.width/2);
377 ry = (robot->allocation.y+robot->allocation.height/2);
379 angle = atan2(event->x - rx,
383 move_robot (((int) (angle / (M_PI/4))) % 8);
389 on_key_pressed (GtkWidget *widget,
394 guint keyval = event->keyval;
396 if (keyval>='A' && keyval<='Z')
401 for (i=0; i<G_N_ELEMENTS(directions); i++)
403 if (keyval==directions[i].gdk_key ||
404 keyval==directions[i].vi_key)
406 if (event->state & GDK_SHIFT_MASK)
408 while (!move_robot (i))
410 /* keep going, robot! */
427 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
428 gtk_window_set_title (GTK_WINDOW (window), "robotfindskitten");
429 gtk_widget_modify_bg (window, GTK_STATE_NORMAL, &black);
437 g_signal_connect (G_OBJECT (window), "button-press-event", G_CALLBACK (on_window_clicked), NULL);
438 g_signal_connect (G_OBJECT (window), "key-press-event", G_CALLBACK (on_key_pressed), NULL);
439 g_signal_connect (G_OBJECT (window), "delete_event", G_CALLBACK (gtk_main_quit), NULL);
440 gdk_window_set_events (GTK_WIDGET (window)->window,
441 gdk_window_get_events(GTK_WIDGET (window)->window) | GDK_BUTTON_PRESS_MASK);
443 table = gtk_table_new (ARENA_HEIGHT, ARENA_WIDTH, TRUE);
444 gtk_container_remove (GTK_CONTAINER (window), GTK_WIDGET (intro));
445 gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (table));
447 robot = gtk_label_new ("#");
448 g_object_ref (robot);
449 kitten = random_character ("You found kitten! Way to go, robot!");
451 place_in_arena_randomly (robot);
452 place_in_arena_randomly (kitten);
454 if (nki_count < amount_of_random_stuff)
456 gtk_widget_show_all (window);
457 show_message ("There are too few non-kitten items to play a meaningful game.");
461 for (x=0; x < amount_of_random_stuff; x++)
462 place_in_arena_randomly (random_character (description ()));
464 for (x=0; x < ARENA_WIDTH; x++)
465 for (y=0; y < ARENA_HEIGHT; y++)
467 place_in_arena_at_xy (gtk_label_new (NULL), x, y);
469 gtk_widget_show_all (window);
472 /****************************************************************/
474 /****************************************************************/
476 get_help (gpointer button, gpointer data)
478 DBusGConnection *connection;
479 GError *error = NULL;
482 connection = dbus_g_bus_get (DBUS_BUS_SESSION,
484 if (connection == NULL)
486 show_message (error->message);
487 g_error_free (error);
491 proxy = dbus_g_proxy_new_for_name (connection,
492 "com.nokia.osso_browser",
493 "/com/nokia/osso_browser/request",
494 "com.nokia.osso_browser");
497 if (!dbus_g_proxy_call (proxy, "load_url", &error,
498 G_TYPE_STRING, "/usr/share/rfk/help.html",
502 show_message (error->message);
503 g_error_free (error);
510 play_game (gpointer button, gpointer data)
518 GtkWidget *middle = gtk_hbox_new (FALSE, 0);
519 GtkWidget *buttons = gtk_hbox_new (TRUE, 0);
520 GtkWidget *explain = NULL, *help_button, *play_button;
521 const char *explanation =
522 "In this game, you are robot (#). "
523 "Your job is to find kitten. This task is complicated "
524 "by the existence of various things which are not kitten. "
525 "Robot must touch items to determine if they are kitten or "
526 "not. The game ends when robotfindskitten. You may move "
527 "robot about by tapping on any side of robot, or with the "
529 GKeyFile *desktop = g_key_file_new ();
532 if (g_key_file_load_from_file (desktop,
533 "/usr/share/applications/hildon/rfk.desktop",
537 version = g_strdup_printf("v%s.%d",
538 g_key_file_get_value (desktop, "Desktop Entry", "Version", NULL),
540 g_key_file_free (desktop);
544 version = g_strdup("");
547 help_button = hildon_button_new_with_text (HILDON_SIZE_AUTO_WIDTH | HILDON_SIZE_THUMB_HEIGHT,
548 HILDON_BUTTON_ARRANGEMENT_HORIZONTAL,
550 g_signal_connect (help_button, "clicked", G_CALLBACK (get_help), NULL);
552 play_button = hildon_button_new_with_text (HILDON_SIZE_AUTO_WIDTH | HILDON_SIZE_THUMB_HEIGHT,
553 HILDON_BUTTON_ARRANGEMENT_HORIZONTAL,
555 g_signal_connect (play_button, "clicked", G_CALLBACK (play_game), NULL);
557 gtk_box_pack_end (buttons, play_button, TRUE, TRUE, 0);
558 gtk_box_pack_end (buttons, help_button, TRUE, TRUE, 0);
560 explain = gtk_label_new (explanation);
561 gtk_label_set_line_wrap (explain, TRUE);
563 gtk_box_pack_end (middle, explain, TRUE, TRUE, 0);
564 gtk_box_pack_end (middle, gtk_image_new_from_pixbuf (robot_pic), FALSE, FALSE, 0);
566 intro = gtk_vbox_new (FALSE, 0);
567 gtk_box_pack_end (GTK_BOX (intro), buttons, FALSE, FALSE, 0);
568 gtk_box_pack_end (GTK_BOX (intro), middle, TRUE, TRUE, 0);
569 gtk_box_pack_end (GTK_BOX (intro), gtk_label_new (version), FALSE, FALSE, 0);
573 gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (intro));
575 gtk_widget_show_all (window);
578 /****************************************************************/
579 /* Let's kick the whole thing off... */
580 /****************************************************************/
586 gtk_init (&argc, &argv);
587 g_set_application_name ("robotfindskitten");
590 ensure_messages_loaded ();