2 * Copyright © 2006 Carl Worth
4 * This program is free software; you can redistribute it and\/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2, or (at your option)
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software Foundation,
16 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA."
20 #include <goocanvas.h>
25 #include <gdk/gdkkeysyms.h>
27 #include "word-game.h"
28 #include "demo-item.h"
30 #define RACK_DICT_ENTRY_FOUND (1<<1)
44 tile_t *tiles[MAX_TILES];
46 char guess[MAX_TILES+1];
49 GooCanvasItem *solution_item;
52 #define LETTER_SIZE 60
56 guess_tile_position (int i, int *x, int *y)
58 *x = 20 + i * (LETTER_SIZE + LETTER_PAD);
63 rack_tile_position (int i, int *x, int *y)
65 guess_tile_position (i, x, y);
66 *y += (LETTER_SIZE + LETTER_PAD);
69 typedef struct _dict_paint_cursor
77 } dict_paint_cursor_t;
80 dict_paint_action (void *closure, char *word, dict_entry_t *entry)
82 dict_paint_cursor_t *cursor = closure;
83 cairo_t *cr = cursor->cr;
86 cairo_move_to (cr, cursor->x, cursor->y);
87 if (*entry & RACK_DICT_ENTRY_FOUND) {
88 cairo_show_text (cr, word);
90 int i, length = strlen (word);
91 for (i = 0; i < length; i++)
92 cairo_show_text (cr, "_");
94 cairo_get_current_point (cr, &new_x, &new_y);
95 if (new_x > cursor->max_column_width)
96 cursor->max_column_width = new_x;
97 cursor->y += cursor->line_height;
98 if (cursor->y > cursor->max_y) {
99 cursor->x = cursor->max_column_width + cursor->line_height / 2;
105 dict_paint (cairo_t *cr, void *closure, double width, double height)
107 dict_t *dict = closure;
108 dict_paint_cursor_t cursor;
111 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */
115 cairo_set_font_size (cr, 12);
116 cursor.line_height = 14;
121 cursor.max_column_width = 0;
122 cursor.max_y = height;
124 dict_for_each_by_length (dict,
132 tile_paint (cairo_t *cr, void *closure, double width, double height)
134 tile_t *tile = closure;
136 cairo_pattern_t *gradient;
137 cairo_text_extents_t extents;
138 int rad = (int) MIN (width / 2, height / 2);
142 double spot_angle = M_PI / 4.0;
143 double spot_rad = rad / 2.0;
148 gradient = cairo_pattern_create_radial (cx - spot_rad * cos (spot_angle),
149 cy - spot_rad * sin (spot_angle),
151 cx - spot_rad * cos (spot_angle),
152 cy - spot_rad * sin (spot_angle),
154 cairo_pattern_add_color_stop_rgb (gradient, 0.0, 1.0, 1.0, 1.0);
155 cairo_pattern_add_color_stop_rgb (gradient, 1.0, 0.33, 0.33, 0.33);
157 cairo_set_source (cr, gradient);
165 cairo_select_font_face (cr, "mono",
166 CAIRO_FONT_SLANT_NORMAL,
167 CAIRO_FONT_WEIGHT_BOLD);
168 cairo_set_font_size (cr, 1.8 * rad);
170 string[0] = tile->letter;
172 cairo_text_extents (cr, string, &extents);
173 tx = cx - extents.width / 2 - extents.x_bearing;
174 ty = cy - extents.height / 2 - extents.y_bearing;
176 cairo_set_source_rgb (cr, 0.7, 0.7, 0.7);
177 cairo_move_to (cr, tx + 1, ty + 1);
178 cairo_show_text (cr, string);
180 cairo_set_source_rgb (cr, 0.33, 0.33, 0.33);
181 cairo_move_to (cr, tx - 1, ty - 1);
182 cairo_show_text (cr, string);
184 cairo_set_source_rgb (cr, 0.2, 0.3, 0.8);
185 cairo_move_to (cr, tx, ty);
186 cairo_show_text (cr, string);
192 tile_glide_to (tile_t *tile, int x, int y)
194 goo_canvas_item_animate (tile->item, x, y,
197 GOO_CANVAS_ANIMATE_FREEZE);
203 tile_create (GooCanvasItem *parent,
204 char letter, int rack_index)
208 tile = g_malloc (sizeof (tile_t));
209 tile->letter = tolower (letter);
210 tile->rack_index = rack_index;
211 rack_tile_position (rack_index, &tile->x, &tile->y);
212 tile->item = goo_demo_item_new (parent,
214 LETTER_SIZE, LETTER_SIZE,
218 tile->guessed = FALSE;
224 on_delete_event (GtkWidget *window,
226 gpointer unused_data)
232 rand_within (int num_values)
234 return (int) ((double) num_values * (rand() / (RAND_MAX + 1.0)));
238 shuffle (int *array, int length)
242 for (i = 0; i < length; i++)
244 r = i + rand_within (length - i);
252 rack_init (rack_t *rack,
257 for (i = 0; i < MAX_TILES; i++)
258 rack->tiles[i] = NULL;
261 rack->guess_length = 0;
262 rack->solution = solution;
263 rack->solution_item = NULL;
267 rack_create_tiles (rack_t *rack,
273 GooCanvasItem *root = goo_canvas_get_root_item (canvas);
275 for (i = 0; i < MIN (MAX_TILES, strlen (word)); i++)
276 rack->tiles[i] = tile_create (root, word[i], i);
281 rack_shuffle (rack_t *rack)
283 int indices[MAX_TILES];
286 for (i = 0; i < rack->num_tiles; i++)
289 shuffle (indices, rack->num_tiles);
291 for (i = 0; i < rack->num_tiles; i++) {
292 rack->tiles[i]->rack_index = indices[i];
293 rack_tile_position (indices[i], &x, &y);
294 tile_glide_to (rack->tiles[i], x, y);
301 rack_return_tile (rack_t *rack, tile_t *tile)
305 rack_tile_position (tile->rack_index, &x, &y);
306 tile_glide_to (tile, x, y);
307 tile->guessed = FALSE;
308 rack->guess_length--;
309 rack->guess[rack->guess_length] = '\0';
313 rack_return_all (rack_t *rack)
317 for (i = 0; i < rack->num_tiles; i++) {
318 if (rack->tiles[i]->guessed)
319 rack_return_tile (rack, rack->tiles[i]);
321 rack->guess_length = 0;
322 rack->guess[0] = '\0';
326 on_key_press_event (GtkWidget *widget,
332 rack_t *rack = user_data;
334 if (event->keyval == GDK_Return) {
336 entry = dict_lookup (rack->solution, rack->guess);
337 if (DICT_ENTRY_IS_WORD (entry)) {
338 *entry = *entry | RACK_DICT_ENTRY_FOUND;
339 goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->solution_item), FALSE);
341 rack_return_all (rack);
345 if (event->keyval == GDK_space) {
346 rack_return_all (rack);
351 if (event->keyval == GDK_BackSpace) {
352 gboolean found = FALSE;
355 for (i = 0; i < rack->num_tiles; i++) {
356 /* XXX: evil stuff here... please refactor a lot */
357 if (rack->guess[rack->guess_length-1] == rack->tiles[i]->letter &&
358 rack->tiles[i]->guessed &&
359 rack->tiles[i]->x > x)
366 rack_return_tile (rack, rack->tiles[found_index]);
372 /* XXX: event->string is deprecated, but the non-deprecated
373 * input-method stuff (GtkIMContext) is extremely non-obvious to
375 guess_letter = tolower (event->string[0]);
376 for (i = 0; i < rack->num_tiles; i++) {
377 if (guess_letter == rack->tiles[i]->letter &&
378 ! rack->tiles[i]->guessed)
380 guess_tile_position (rack->guess_length, &x, &y);
381 tile_glide_to (rack->tiles[i], x, y);
382 rack->tiles[i]->guessed = TRUE;
383 rack->guess[rack->guess_length++] = guess_letter;
384 rack->guess[rack->guess_length] = '\0';
393 create_window (rack_t *rack)
395 GtkWidget *window, *scrolled_window;
397 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
398 gtk_window_set_default_size (GTK_WINDOW (window), 500, 500);
399 gtk_widget_show (window);
400 g_signal_connect (window, "delete_event",
401 (GtkSignalFunc) on_delete_event, NULL);
403 gtk_widget_add_events (window, GDK_KEY_PRESS_MASK);
404 g_signal_connect (window, "key_press_event",
405 (GtkSignalFunc) on_key_press_event, rack);
407 scrolled_window = gtk_scrolled_window_new (NULL, NULL);
408 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
410 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
411 GTK_POLICY_AUTOMATIC,
412 GTK_POLICY_AUTOMATIC);
413 gtk_widget_show (scrolled_window);
414 gtk_container_add (GTK_CONTAINER (window), scrolled_window);
416 return scrolled_window;
420 create_canvas (GtkWidget *parent, rack_t *rack)
425 canvas = goo_canvas_new ();
426 gtk_widget_set_size_request (canvas, 400, 400);
427 goo_canvas_set_bounds (GOO_CANVAS (canvas), 0, 0, 400, 400);
428 gtk_widget_show (canvas);
429 gtk_container_add (GTK_CONTAINER (parent), canvas);
431 root = goo_canvas_get_root_item (GOO_CANVAS (canvas));
433 rack->solution_item = goo_demo_item_new (root,
435 LETTER_PAD + 2 * (LETTER_SIZE + 2 * LETTER_PAD),
436 400, 400 - (2 * (LETTER_SIZE + 2 * LETTER_PAD)),
437 dict_paint, rack->solution,
440 return GOO_CANVAS (canvas);
444 main (int argc, char *argv[])
446 dict_t dict, solution;
455 gettimeofday (&tv, NULL);
456 srand (tv.tv_sec ^ tv.tv_usec);
461 memcpy (word, bag.tiles, 7);
464 for (i = 0; i < 7; i++)
465 word[i] = toupper (word[i]);
468 dict_add_words_from_file (&dict, "words.txt");
470 dict_init (&solution);
471 subanagram_expand (word, &dict, &solution);
473 gtk_init (&argc, &argv);
475 rack_init (&rack, &solution);
477 window = create_window (&rack);
479 canvas = create_canvas (window, &rack);
481 rack_create_tiles (&rack, canvas, word);