* ported to maemo by Thomas Thurman, 2009
* suggestions welcome
* Compile with:
- * gcc -Wall -g rfk.c -o rfk `pkg-config --cflags --libs gtk+-2.0 hildon-1`
+ * gcc -Wall -g rfk.c -o rfk `pkg-config --cflags --libs gtk+-2.0 hildon-1 dbus-glib-1 dbus-1`
*/
+#include <dbus/dbus-glib.h>
#include <gtk/gtk.h>
#include <stdlib.h>
#include <glib.h>
const int amount_of_random_stuff = 15;
-const char *explanation =
- "In this game, you are robot (#). "
- "Your job is to find kitten. This task is complicated "
- "by the existence of various things which are not kitten. "
- "Robot must touch items to determine if they are kitten or "
- "not. The game ends when robotfindskitten. You may move "
- "robot about by tapping on any side of robot, or with the "
- "cursor keys.";
+typedef enum {
+ STATE_PROLOGUE,
+ STATE_PLAYING,
+ STATE_EPILOGUE,
+ STATE_LAST
+} StateOfPlay;
+
+StateOfPlay current_state = STATE_LAST;
+GtkWidget* state_widget[STATE_LAST];
GSList *nki = NULL;
guint nki_count = 0;
GtkWidget *arena[ARENA_WIDTH][ARENA_HEIGHT];
-GtkWidget *table, *window, *robot, *kitten;
+GtkWidget *window, *robot, *kitten;
int robot_x, robot_y;
gboolean *used = NULL;
GdkPixbuf *robot_pic, *love_pic, *kitten_pic;
-GtkWidget *animation_area;
const GdkColor black = { 0, };
/* Random object descriptions. */
/****************************************************************/
-char *
+static char *
description (void)
{
int r;
r = random() % nki_count;
}
while (used[r]);
-
used[r] = TRUE;
+
return g_slist_nth_data (nki, r);
}
/* Placing objects. */
/****************************************************************/
-void
+static void
place_in_arena_at_xy (GtkWidget *item, int x, int y)
{
arena[x][y] = item;
- gtk_table_attach_defaults (GTK_TABLE (table),
+ gtk_table_attach_defaults (GTK_TABLE (state_widget[STATE_PLAYING]),
item,
x, x+1,
y, y+1);
}
}
-void
+static void
place_in_arena_randomly (GtkWidget *item)
{
int x, y;
/* Labels representing things the robot might find. */
/****************************************************************/
-GtkWidget *
+static GtkWidget *
random_character (gchar *description)
{
gchar character[2] = { random() % ('~'-'!') + '!', 0 };
/* Talking back to the user. */
/****************************************************************/
-void
+static void
show_message (const char *message)
{
HildonNote* note = HILDON_NOTE
(hildon_note_new_information (GTK_WINDOW (window),
- message));
+ message?message:
+ "Some message was supposed to be here."));
gtk_dialog_run (GTK_DIALOG (note));
gtk_widget_destroy (GTK_WIDGET (note));
}
/****************************************************************/
/* Loading the non-kitten objects. */
/****************************************************************/
-void
+
+static void
ensure_messages_loaded (void)
{
FILE *nki_file = NULL;
}
fclose (nki_file);
+}
- used = g_malloc0 (nki_count);
+static void
+load_images (void)
+{
+ robot_pic = gdk_pixbuf_new_from_file ("/usr/share/rfk/rfk-robot.png", NULL);
+ love_pic = gdk_pixbuf_new_from_file ("/usr/share/rfk/rfk-love.png", NULL);
+ kitten_pic = gdk_pixbuf_new_from_file ("/usr/share/rfk/rfk-kitten.png", NULL);
+}
+
+/****************************************************************/
+/* Stop doing that, and do something else. */
+/****************************************************************/
+
+static void
+switch_state (StateOfPlay new_state)
+{
+ if (current_state != STATE_LAST)
+ {
+ gtk_container_remove (GTK_CONTAINER (window), state_widget[current_state]);
+ }
+ gtk_container_add (GTK_CONTAINER (window), state_widget[new_state]);
+
+ gtk_widget_show_all (window);
+ gdk_window_set_events (GTK_WIDGET (window)->window,
+ gdk_window_get_events(GTK_WIDGET (window)->window) | GDK_BUTTON_PRESS_MASK);
+
+ current_state = new_state;
+}
+
+/****************************************************************/
+/* Things we need DBus for: online help, and vibration. */
+/****************************************************************/
+
+static void
+call_dbus (DBusBusType type,
+ char *name,
+ char *path,
+ char *interface,
+ char *method,
+ char *parameter)
+{
+ DBusGConnection *connection;
+ GError *error = NULL;
+
+ DBusGProxy *proxy;
+
+ connection = dbus_g_bus_get (type,
+ &error);
+ if (connection == NULL)
+ {
+ show_message (error->message);
+ g_error_free (error);
+ return;
+ }
+
+ proxy = dbus_g_proxy_new_for_name (connection, name, path, interface);
+
+ error = NULL;
+ if (!dbus_g_proxy_call (proxy, method, &error,
+ G_TYPE_STRING, parameter,
+ G_TYPE_INVALID,
+ G_TYPE_INVALID))
+ {
+ show_message (error->message);
+ g_error_free (error);
+ }
+}
+
+static gboolean
+get_help (gpointer button, gpointer data)
+{
+ call_dbus (DBUS_BUS_SESSION,
+ "com.nokia.osso_browser",
+ "/com/nokia/osso_browser/request",
+ "com.nokia.osso_browser",
+ "load_url",
+ "/usr/share/rfk/help.html");
+ return FALSE;
+}
+
+static void
+vibrate (void)
+{
+ call_dbus (DBUS_BUS_SYSTEM,
+ "com.nokia.mce",
+ "/com/nokia/mce/request",
+ "com.nokia.mce.request",
+ "req_vibrator_pattern_activate",
+ "PatternIncomingMessage");
}
/****************************************************************/
/* The ending animation. */
/****************************************************************/
+gboolean animation_running = FALSE;
+
static gboolean
ending_animation_quit (gpointer data)
{
- gtk_main_quit ();
+ switch_state (STATE_PROLOGUE);
return FALSE;
}
static gboolean
ending_animation_draw (GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
- /* We only run through once, so just make it static. */
static int cycle_count = 0;
static int robot_x = 0;
static int robot_stop = 0;
static int kitten_x = 0;
static int all_y = 0;
+ static GdkGC *gc = NULL;
const int stepsize = 3;
+ static int love_size = 40;
if (!kitten_x)
{
+ gc = gdk_gc_new (GDK_DRAWABLE (widget->window));
+
all_y = (event->area.height - gdk_pixbuf_get_height (love_pic)) / 2;
robot_stop = gdk_pixbuf_get_width (robot_pic) + gdk_pixbuf_get_width (love_pic);
kitten_x = event->area.width - (cycle_count*stepsize + gdk_pixbuf_get_width (kitten_pic));
}
- gdk_gc_set_foreground (widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
- &black);
+ gdk_gc_set_foreground (gc, &black);
- gdk_draw_rectangle (GDK_DRAWABLE(widget->window),
- widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
+ gdk_draw_rectangle (GDK_DRAWABLE (widget->window),
+ gc,
TRUE,
0, 0, event->area.width, event->area.height);
- gdk_draw_pixbuf (GDK_DRAWABLE(widget->window),
- widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
+ gdk_draw_pixbuf (GDK_DRAWABLE (widget->window),
+ gc,
robot_pic, 0, 0,
robot_x, all_y,
-1, -1,
GDK_RGB_DITHER_NONE, 0, 0);
- gdk_draw_pixbuf (GDK_DRAWABLE(widget->window),
- widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
+ gdk_draw_pixbuf (GDK_DRAWABLE (widget->window),
+ gc,
kitten_pic, 0, 0,
kitten_x, all_y,
-1, -1,
GDK_RGB_DITHER_NONE, 0, 0);
- cycle_count++;
- robot_x += stepsize;
- kitten_x -= stepsize;
-
- if (robot_x+robot_stop >= kitten_x)
+ if (robot_x+robot_stop < kitten_x)
+ {
+ cycle_count++;
+ robot_x += stepsize;
+ kitten_x -= stepsize;
+ }
+ else
{
+ GdkPixbuf *scaled_love_pic =
+ gdk_pixbuf_scale_simple (love_pic,
+ love_size,
+ love_size,
+ GDK_INTERP_BILINEAR);
+
gdk_draw_pixbuf (GDK_DRAWABLE(widget->window),
- widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
- love_pic, 0, 0,
- robot_x + gdk_pixbuf_get_width (robot_pic), all_y,
+ gc,
+ scaled_love_pic, 0, 0,
+ robot_x + gdk_pixbuf_get_width (robot_pic) +
+ (gdk_pixbuf_get_width (love_pic)-love_size)/2,
+ all_y + (gdk_pixbuf_get_height (love_pic)-love_size)/2,
-1, -1,
GDK_RGB_DITHER_NONE, 0, 0);
- g_object_unref (love_pic);
- love_pic = NULL;
+ love_size += 10;
- g_timeout_add (2000, ending_animation_quit, NULL);
+ if (love_size >= gdk_pixbuf_get_width (love_pic))
+ {
+ /* all done! */
+
+ vibrate ();
+
+ animation_running = FALSE;
+
+ g_timeout_add (2000, ending_animation_quit, NULL);
+
+ gdk_gc_unref (gc);
+ love_size = 40;
+ cycle_count = 0;
+ robot_x = 0;
+ robot_stop = 0;
+ kitten_x = 0;
+ all_y = 0;
+ gc = NULL;
+ }
}
return TRUE;
static gboolean
ending_animation_step (gpointer data)
{
- if (love_pic)
+ if (animation_running)
{
- gdk_window_invalidate_rect (animation_area->window,
+ gdk_window_invalidate_rect (state_widget[STATE_EPILOGUE]->window,
NULL, TRUE);
return TRUE;
static void
ending_animation ()
{
- robot_pic = gdk_pixbuf_new_from_file ("/usr/share/rfk/rfk-robot.png", NULL);
- love_pic = gdk_pixbuf_new_from_file ("/usr/share/rfk/rfk-love.png", NULL);
- kitten_pic = gdk_pixbuf_new_from_file ("/usr/share/rfk/rfk-kitten.png", NULL);
- animation_area = gtk_drawing_area_new ();
-
- gtk_container_remove (GTK_CONTAINER (window), GTK_WIDGET (table));
- gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (animation_area));
- gtk_widget_show_all (window);
-
- g_signal_connect (G_OBJECT (animation_area),
- "expose_event", G_CALLBACK (ending_animation_draw), NULL);
- g_timeout_add (10, ending_animation_step, NULL);
+ if (current_state!=STATE_EPILOGUE)
+ {
+ animation_running = TRUE;
+ g_timeout_add (10, ending_animation_step, NULL);
+ }
}
/****************************************************************/
{ GDK_Up, 'k', 0, -1 }
};
-gboolean
+static gboolean
move_robot (guint8 whichway)
{
GtkWidget *new_space;
if (new_space == kitten)
{
- ending_animation ();
+ switch_state (STATE_EPILOGUE);
}
return TRUE;
g_object_ref (new_space);
- gtk_container_remove (GTK_CONTAINER (table), robot);
- gtk_container_remove (GTK_CONTAINER (table), new_space);
+ gtk_container_remove (GTK_CONTAINER (state_widget[STATE_PLAYING]), robot);
+ gtk_container_remove (GTK_CONTAINER (state_widget[STATE_PLAYING]), new_space);
place_in_arena_at_xy (new_space, robot_x, robot_y);
place_in_arena_at_xy (robot, robot_x+dx, robot_y+dy);
/* Event handlers. */
/****************************************************************/
-gboolean
+static gboolean
on_window_clicked (GtkWidget *widget,
GdkEventButton *event,
gpointer user_data)
int rx, ry;
double angle;
+ if (current_state!=STATE_PLAYING)
+ {
+ return TRUE;
+ }
+
rx = (robot->allocation.x+robot->allocation.width/2);
ry = (robot->allocation.y+robot->allocation.height/2);
return TRUE;
}
-gboolean
+static gboolean
on_key_pressed (GtkWidget *widget,
GdkEventKey *event,
gpointer user_data)
gint i;
guint keyval = event->keyval;
+ if (current_state!=STATE_PLAYING)
+ {
+ return FALSE;
+ }
+
if (keyval>='A' && keyval<='Z')
{
keyval += ('a'-'A');
}
}
+ if (keyval=='d' && event->state & GDK_CONTROL_MASK)
+ {
+ /* secret debugging key */
+ show_message (gtk_label_get_text (GTK_LABEL (kitten)));
+ }
+
return FALSE;
}
-/****************************************************************/
-/* Let's kick the whole thing off... */
-/****************************************************************/
+static void
+play_game (gpointer button, gpointer data)
+{
+ switch_state (STATE_PLAYING);
+}
-int
-main (gint argc,
- gchar **argv)
+static void
+restart (gpointer button, gpointer data)
{
- int x, y;
+ if (current_state == STATE_EPILOGUE)
+ {
+ show_message ("Have patience while robotfindskitten.");
+ }
+ else
+ {
+ switch_state (STATE_PROLOGUE);
+ }
+}
- gtk_init (&argc, &argv);
- g_set_application_name ("robotfindskitten");
- srandom (time(0));
+static void
+set_up_board (void)
+{
+ guint x, y;
- ensure_messages_loaded ();
+ if (current_state==STATE_PLAYING)
+ {
+ /* end of the game; clean up */
+
+ for (x=0; x < ARENA_WIDTH; x++)
+ for (y=0; y < ARENA_HEIGHT; y++)
+ if (arena[x][y])
+ {
+ gtk_container_remove (GTK_CONTAINER (state_widget[STATE_PLAYING]),
+ arena[x][y]);
+ arena[x][y] = NULL;
+ }
+
+ g_object_unref (robot);
+ g_object_unref (kitten);
+ }
+ else
+ {
+ /* make everything new */
+
+ g_free (used);
+ used = g_malloc0 (nki_count * sizeof(gboolean));
+
+ robot = gtk_label_new ("#");
+ g_object_ref (robot);
+ kitten = random_character ("You found kitten! Way to go, robot!");
+ g_object_ref (kitten);
+
+ place_in_arena_randomly (robot);
+ place_in_arena_randomly (kitten);
- window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ if (nki_count < amount_of_random_stuff)
+ {
+ /* sanity check failed */
+ show_message ("There are too few non-kitten items to play a meaningful game.");
+ exit (EXIT_FAILURE);
+ }
+
+ for (x=0; x < amount_of_random_stuff; x++)
+ place_in_arena_randomly (random_character (description ()));
+
+ for (x=0; x < ARENA_WIDTH; x++)
+ for (y=0; y < ARENA_HEIGHT; y++)
+ if (!arena[x][y])
+ place_in_arena_at_xy (gtk_label_new (NULL), x, y);
+ }
+}
+
+static void
+set_up_widgets (void)
+{
+ GtkWidget *middle = gtk_hbox_new (FALSE, 0);
+ GtkWidget *buttons = gtk_hbox_new (TRUE, 0);
+ GtkWidget *explain = NULL, *button, *intro;
+ const char *explanation =
+ "In this game, you are robot (#). "
+ "Your job is to find kitten. This task is complicated "
+ "by the existence of various things which are not kitten. "
+ "Robot must touch items to determine if they are kitten or "
+ "not. The game ends when robotfindskitten. You may move "
+ "robot about by tapping on any side of robot, or with the "
+ "arrow keys.";
+ GKeyFile *desktop = g_key_file_new ();
+ gchar *version;
+ guint x, y;
+ HildonAppMenu *menu = HILDON_APP_MENU (hildon_app_menu_new ());
+
+ /* The window */
+
+ window = hildon_window_new ();
gtk_window_set_title (GTK_WINDOW (window), "robotfindskitten");
gtk_widget_modify_bg (window, GTK_STATE_NORMAL, &black);
g_signal_connect (G_OBJECT (window), "button-press-event", G_CALLBACK (on_window_clicked), NULL);
g_signal_connect (G_OBJECT (window), "key-press-event", G_CALLBACK (on_key_pressed), NULL);
g_signal_connect (G_OBJECT (window), "delete_event", G_CALLBACK (gtk_main_quit), NULL);
-
- table = gtk_table_new (ARENA_HEIGHT, ARENA_WIDTH, TRUE);
- gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (table));
-
- robot = gtk_label_new ("#");
- g_object_ref (robot);
- kitten = random_character ("You found kitten! Way to go, robot!");
- place_in_arena_randomly (robot);
- place_in_arena_randomly (kitten);
+ /* The prologue */
- if (nki_count < amount_of_random_stuff)
+ /* Get the rather odd version string. The RFK spec says that
+ * it should read v<major>.<minor>.<number-of-NKIs>.
+ */
+ if (g_key_file_load_from_file (desktop,
+ "/usr/share/applications/hildon/rfk.desktop",
+ G_KEY_FILE_NONE,
+ NULL))
{
- gtk_widget_show_all (window);
- show_message ("There are too few non-kitten items to play a meaningful game.");
- exit (EXIT_FAILURE);
+ version = g_strdup_printf("v%s.%d",
+ g_key_file_get_value (desktop, "Desktop Entry", "Version", NULL),
+ nki_count);
+ g_key_file_free (desktop);
}
+ else
+ {
+ version = g_strdup("");
+ }
+
+ button = hildon_button_new_with_text (HILDON_SIZE_AUTO_WIDTH | HILDON_SIZE_THUMB_HEIGHT,
+ HILDON_BUTTON_ARRANGEMENT_HORIZONTAL,
+ "Play", NULL);
+ g_signal_connect (button, "clicked", G_CALLBACK (play_game), NULL);
+
+ gtk_box_pack_end (GTK_BOX (buttons), button, TRUE, TRUE, 0);
+
+ button = hildon_button_new_with_text (HILDON_SIZE_AUTO_WIDTH | HILDON_SIZE_THUMB_HEIGHT,
+ HILDON_BUTTON_ARRANGEMENT_HORIZONTAL,
+ "Help", NULL);
+ g_signal_connect (button, "clicked", G_CALLBACK (get_help), NULL);
+ gtk_box_pack_end (GTK_BOX (buttons), button, TRUE, TRUE, 0);
+
+ /* and another help button, this time for the menu */
+ button = gtk_button_new_with_label ("Help");
+ g_signal_connect (button, "clicked", G_CALLBACK (get_help), NULL);
+ hildon_app_menu_append (menu, GTK_BUTTON (button));
+
+ button = gtk_button_new_with_label ("Restart");
+ g_signal_connect (button, "clicked", G_CALLBACK (restart), NULL);
+ hildon_app_menu_append (menu, GTK_BUTTON (button));
+
+ gtk_widget_show_all (GTK_WIDGET (menu));
+ hildon_window_set_app_menu (HILDON_WINDOW (window), menu);
+
+ explain = gtk_label_new (explanation);
+ gtk_label_set_line_wrap (GTK_LABEL (explain), TRUE);
+
+ gtk_box_pack_end (GTK_BOX (middle), explain, TRUE, TRUE, 0);
+ gtk_box_pack_end (GTK_BOX (middle), gtk_image_new_from_pixbuf (robot_pic), FALSE, FALSE, 0);
+
+ intro = gtk_vbox_new (FALSE, 0);
+ gtk_box_pack_end (GTK_BOX (intro), buttons, FALSE, FALSE, 0);
+ gtk_box_pack_end (GTK_BOX (intro), middle, TRUE, TRUE, 0);
+ gtk_box_pack_end (GTK_BOX (intro), gtk_label_new (version), FALSE, FALSE, 0);
+ g_free (version);
+
+ state_widget[STATE_PROLOGUE] = intro;
+
+ /* The game itself */
- for (x=0; x < amount_of_random_stuff; x++)
- place_in_arena_randomly (random_character (description ()));
+ state_widget[STATE_PLAYING] = gtk_table_new (ARENA_HEIGHT, ARENA_WIDTH, TRUE);
+ g_signal_connect (state_widget[STATE_PLAYING], "parent-set", G_CALLBACK (set_up_board), NULL);
for (x=0; x < ARENA_WIDTH; x++)
for (y=0; y < ARENA_HEIGHT; y++)
- if (!arena[x][y])
- place_in_arena_at_xy (gtk_label_new (NULL), x, y);
+ arena[x][y] = NULL;
- gtk_widget_show_all (window);
+ /* The epilogue */
+ state_widget[STATE_EPILOGUE] = gtk_drawing_area_new ();
+ g_signal_connect (state_widget[STATE_EPILOGUE], "parent-set", G_CALLBACK (ending_animation), NULL);
+ g_signal_connect (G_OBJECT (state_widget[STATE_EPILOGUE]),
+ "expose_event", G_CALLBACK (ending_animation_draw), NULL);
- gdk_window_set_events (GTK_WIDGET (window)->window,
- gdk_window_get_events(GTK_WIDGET (window)->window) | GDK_BUTTON_PRESS_MASK);
+ for (x=0; x<STATE_LAST; x++)
+ {
+ /* so we don't lose them when we take them offscreen */
+ g_object_ref (state_widget[x]);
+ }
+}
+
+/****************************************************************/
+/* Let's kick the whole thing off... */
+/****************************************************************/
+
+int
+main (gint argc,
+ gchar **argv)
+{
+ gtk_init (&argc, &argv);
+ g_set_application_name ("robotfindskitten");
+ srandom (time(0));
-
- show_message (explanation);
+ ensure_messages_loaded ();
+ load_images ();
+ set_up_widgets ();
+ switch_state (STATE_PROLOGUE);
+
gtk_main ();
return EXIT_SUCCESS;
projects / rfk / blobdiff