* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA."
*/
#include <stdlib.h>
+#include <string.h>
#include <goocanvas.h>
+#include <sys/time.h>
+#include <time.h>
+#include <ctype.h>
+#include <math.h>
+#include <gdk/gdkkeysyms.h>
+
+#include "word-game.h"
#include "demo-item.h"
+#define MAX_TILES 7
+
+typedef struct _tile
+{
+ char letter;
+ int rack_index;
+ int x, y;
+ int size;
+ GooCanvasItem *item;
+ gboolean guessed;
+} tile_t;
+
+typedef struct _rack
+{
+ tile_t *tiles[MAX_TILES];
+ int num_tiles;
+} rack_t;
+
+static rack_t the_rack;
+
+static char the_guess[MAX_TILES];
+static int the_guess_index = 0;
+
+#define LETTER_SIZE 60
+#define LETTER_PAD 5
+
+static void
+rack_tile_position (int i, int *x, int *y)
+{
+ *x = 20 + i * (LETTER_SIZE + LETTER_PAD);
+ *y = 85;
+}
+
+static void
+guess_tile_position (int i, int *x, int *y)
+{
+ rack_tile_position (i, x, y);
+ *y -= (LETTER_SIZE + LETTER_PAD);
+}
+
+static void
+tile_paint (cairo_t *cr, void *closure)
+{
+ tile_t *tile = closure;
+
+ cairo_pattern_t *gradient;
+ cairo_text_extents_t extents;
+ int rad = (int) (tile->size / 2);
+ int cx = tile->size / 2;
+ int cy = cx;
+ int tx, ty;
+ double spot_angle = M_PI / 4.0;
+ double spot_rad = rad / 2.0;
+ char string[2];
+
+ cairo_save (cr);
+
+ gradient = cairo_pattern_create_radial (cx - spot_rad * cos (spot_angle),
+ cy - spot_rad * sin (spot_angle),
+ 0.0,
+ cx - spot_rad * cos (spot_angle),
+ cy - spot_rad * sin (spot_angle),
+ rad + spot_rad);
+ cairo_pattern_add_color_stop_rgb (gradient, 0.0, 1.0, 1.0, 1.0);
+ cairo_pattern_add_color_stop_rgb (gradient, 1.0, 0.33, 0.33, 0.33);
+
+ cairo_set_source (cr, gradient);
+
+ cairo_arc (cr,
+ cx, cy,
+ rad, 0, 2 * M_PI);
+
+ cairo_fill (cr);
+
+ cairo_select_font_face (cr, "mono",
+ CAIRO_FONT_SLANT_NORMAL,
+ CAIRO_FONT_WEIGHT_BOLD);
+ cairo_set_font_size (cr, 1.8 * rad);
+
+ string[0] = tile->letter;
+ string[1] = '\0';
+ cairo_text_extents (cr, string, &extents);
+ tx = cx - extents.width / 2 - extents.x_bearing;
+ ty = cy - extents.height / 2 - extents.y_bearing;
+
+ cairo_set_source_rgb (cr, 0.7, 0.7, 0.7);
+ cairo_move_to (cr, tx + 1, ty + 1);
+ cairo_show_text (cr, string);
+
+ cairo_set_source_rgb (cr, 0.33, 0.33, 0.33);
+ cairo_move_to (cr, tx - 1, ty - 1);
+ cairo_show_text (cr, string);
+
+ cairo_set_source_rgb (cr, 0.2, 0.3, 0.8);
+ cairo_move_to (cr, tx, ty);
+ cairo_show_text (cr, string);
+
+ cairo_restore (cr);
+}
+
+static void
+tile_move_to (tile_t *tile, int x, int y)
+{
+ cairo_matrix_t matrix;
+
+ cairo_matrix_init_translate (&matrix, x, y);
+ goo_canvas_item_set_transform (tile->item, &matrix);
+}
+
+static void
+tile_glide_to (tile_t *tile, int x, int y)
+{
+ goo_canvas_item_animate (tile->item, x, y,
+ 1.0, 0,
+ 500, 40,
+ GOO_CANVAS_ANIMATE_FREEZE);
+ tile->x = x;
+ tile->y = y;
+}
+
+static tile_t *
+tile_create (GooCanvasItem *parent,
+ char letter, int rack_index)
+{
+ tile_t *tile;
+
+ tile = g_malloc (sizeof (tile_t));
+ tile->letter = tolower (letter);
+ tile->rack_index = rack_index;
+ rack_tile_position (rack_index, &tile->x, &tile->y);
+ tile->size = LETTER_SIZE;
+ tile->item = goo_demo_item_new (parent,
+ tile->size,
+ tile_paint,
+ tile);
+
+ tile_move_to (tile, tile->x, tile->y);
+
+ tile->guessed = FALSE;
+
+ return tile;
+}
+
static gboolean
on_delete_event (GtkWidget *window,
GdkEvent *event,
exit (0);
}
+static int
+rand_within (int num_values)
+{
+ return (int) ((double) num_values * (rand() / (RAND_MAX + 1.0)));
+}
+
+static void
+shuffle (int *array, int length)
+{
+ int i, r, tmp;
+
+ for (i = 0; i < length; i++)
+ {
+ r = i + rand_within (length - i);
+ tmp = array[i];
+ array[i] = array[r];
+ array[r] = tmp;
+ }
+}
+
+static void
+rack_init (rack_t *rack, GooCanvasItem *parent, char *word)
+{
+ int i;
+
+ for (i = 0; i < MIN (MAX_TILES, strlen (word)); i++)
+ rack->tiles[i] = tile_create (parent, word[i], i);
+ rack->num_tiles = i;
+ while (i < MAX_TILES)
+ rack->tiles[i] = NULL;
+}
+
+static gboolean
+rack_shuffle (rack_t *rack)
+{
+ int indices[MAX_TILES];
+ int i, x, y;
+
+ for (i = 0; i < rack->num_tiles; i++)
+ indices[i] = i;
+
+ shuffle (indices, rack->num_tiles);
+
+ for (i = 0; i < rack->num_tiles; i++) {
+ rack->tiles[i]->rack_index = indices[i];
+ rack_tile_position (indices[i], &x, &y);
+ tile_glide_to (rack->tiles[i], x, y);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+on_key_press_event (GtkWidget *widget,
+ GdkEventKey *event,
+ gpointer user_data)
+{
+ int i, x, y;
+ char guess_letter;
+ rack_t *rack = user_data;
+
+ if (event->keyval == GDK_space) {
+ for (i = 0; i < rack->num_tiles; i++) {
+ if (rack->tiles[i]->guessed) {
+ rack_tile_position (rack->tiles[i]->rack_index, &x, &y);
+ tile_glide_to (rack->tiles[i], x, y);
+ rack->tiles[i]->guessed = FALSE;
+ }
+ }
+ the_guess_index = 0;
+ rack_shuffle (rack);
+ return TRUE;
+ }
+
+ if (event->keyval == GDK_BackSpace) {
+ gboolean found = FALSE;
+ int found_index;
+ x = 0;
+ for (i = 0; i < rack->num_tiles; i++) {
+ /* XXX: evil stuff here... please refactor a lot */
+ if (the_guess[the_guess_index-1] == rack->tiles[i]->letter &&
+ rack->tiles[i]->guessed &&
+ rack->tiles[i]->x > x)
+ {
+ found = TRUE;
+ found_index = i;
+ }
+ }
+ if (found) {
+ rack_tile_position (rack->tiles[found_index]->rack_index, &x, &y);
+ tile_glide_to (rack->tiles[found_index], x, y);
+ rack->tiles[found_index]->guessed = FALSE;
+ the_guess_index--;
+ return TRUE;
+ }
+ return FALSE;
+ }
+
+ /* XXX: event->string is deprecated, but the non-deprecated
+ * input-method stuff (GtkIMContext) is extremely non-obvious to
+ * use. */
+ guess_letter = tolower (event->string[0]);
+ for (i = 0; i < rack->num_tiles; i++) {
+ if (guess_letter == rack->tiles[i]->letter &&
+ ! rack->tiles[i]->guessed)
+ {
+ guess_tile_position (the_guess_index, &x, &y);
+ tile_glide_to (rack->tiles[i], x, y);
+ rack->tiles[i]->guessed = TRUE;
+ the_guess[the_guess_index++] = guess_letter;
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
static GtkWidget *
create_window (void)
{
g_signal_connect (window, "delete_event",
(GtkSignalFunc) on_delete_event, NULL);
+ gtk_widget_add_events (window, GDK_KEY_PRESS_MASK);
+ g_signal_connect (window, "key_press_event",
+ (GtkSignalFunc) on_key_press_event, &the_rack);
+
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_SHADOW_IN);
return scrolled_window;
}
-static gboolean
-on_button_press (GooCanvasItem *item,
- GooCanvasItem *target,
- GdkEventButton *event,
- gpointer data)
-{
- g_print ("demo item received button press event\n");
- return TRUE;
-}
-
static void
-create_canvas (GtkWidget *parent)
+create_canvas (GtkWidget *parent, char *word)
{
GtkWidget *canvas;
- GooCanvasItem *root, *rect;
+ GooCanvasItem *root;
canvas = goo_canvas_new ();
gtk_widget_set_size_request (canvas, 400, 400);
root = goo_canvas_get_root_item (GOO_CANVAS (canvas));
- rect = goo_demo_item_new (root, 30, 20, 50, 30,
- "fill-color", "purple",
- NULL);
-
- g_signal_connect (rect, "button_press_event",
- (GtkSignalFunc) on_button_press, NULL);
-
+ rack_init (&the_rack, root, word);
}
int
main (int argc, char *argv[])
{
+ struct timeval tv;
+ bag_t bag;
+ char rack[8];
+ int i;
GtkWidget *window;
- gtk_init (&argc, &argv);
+ gettimeofday (&tv, NULL);
+ srand (tv.tv_sec ^ tv.tv_usec);
+
+ bag_init (&bag);
+ bag_shuffle (&bag);
+
+ memcpy (rack, bag.tiles, 7);
+ rack[7] = '\0';
+ for (i = 0; i < 7; i++)
+ rack[i] = toupper (rack[i]);
+
+ gtk_init (&argc, &argv);
window = create_window ();
- create_canvas (window);
+ create_canvas (window, rack);
gtk_main ();
projects / wordgame / blobdiff