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];
51 GooCanvasItem *solution_item;
55 #define LETTER_SIZE 60
59 guess_tile_position (int i, int *x, int *y)
61 *x = 20 + i * (LETTER_SIZE + LETTER_PAD);
66 rack_tile_position (int i, int *x, int *y)
68 guess_tile_position (i, x, y);
69 *y += (LETTER_SIZE + LETTER_PAD);
72 typedef struct _dict_paint_cursor
81 } dict_paint_cursor_t;
84 dict_paint_action (void *closure, char *word, dict_entry_t *entry)
86 dict_paint_cursor_t *cursor = closure;
87 cairo_t *cr = cursor->cr;
90 if (strlen (word) < 3)
93 cairo_move_to (cr, cursor->x, cursor->y);
94 if (*entry & RACK_DICT_ENTRY_FOUND || cursor->show_all) {
95 if (*entry & RACK_DICT_ENTRY_FOUND)
96 cairo_set_source_rgb (cr, 0, 0, 0); /* black */
98 cairo_set_source_rgb (cr, 1, 0, 0); /* red */
99 cairo_show_text (cr, word);
101 int i, length = strlen (word);
102 for (i = 0; i < length; i++)
103 cairo_show_text (cr, "_");
105 cairo_get_current_point (cr, &new_x, &new_y);
106 if (new_x > cursor->max_column_width)
107 cursor->max_column_width = new_x;
108 cursor->y += cursor->line_height;
109 if (cursor->y > cursor->max_y) {
110 cursor->x = cursor->max_column_width + cursor->line_height / 2;
111 cursor->y = cursor->line_height;
115 #define SOLUTION_FONT_SIZE 12
116 #define SOLUTION_LINE_HEIGHT (1.5 * SOLUTION_FONT_SIZE)
119 dict_paint (cairo_t *cr, void *closure, double width, double height)
121 rack_t *rack = closure;
122 dict_paint_cursor_t cursor;
125 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */
129 cairo_select_font_face (cr, "mono", 0, 0);
130 cairo_set_font_size (cr, SOLUTION_FONT_SIZE);
131 cursor.line_height = SOLUTION_LINE_HEIGHT;
134 cursor.y = cursor.line_height;
136 cursor.max_column_width = 0;
137 cursor.max_y = height;
139 cursor.show_all = rack->done;
141 dict_for_each_by_length (&rack->solution,
149 tile_paint (cairo_t *cr, void *closure, double width, double height)
151 tile_t *tile = closure;
153 cairo_pattern_t *gradient;
154 cairo_text_extents_t extents;
155 int rad = (int) MIN (width / 2, height / 2);
159 double spot_angle = M_PI / 4.0;
160 double spot_rad = rad / 2.0;
165 gradient = cairo_pattern_create_radial (cx - spot_rad * cos (spot_angle),
166 cy - spot_rad * sin (spot_angle),
168 cx - spot_rad * cos (spot_angle),
169 cy - spot_rad * sin (spot_angle),
171 cairo_pattern_add_color_stop_rgb (gradient, 0.0, 1.0, 1.0, 1.0);
172 cairo_pattern_add_color_stop_rgb (gradient, 1.0, 0.33, 0.33, 0.33);
174 cairo_set_source (cr, gradient);
182 cairo_select_font_face (cr, "mono",
183 CAIRO_FONT_SLANT_NORMAL,
184 CAIRO_FONT_WEIGHT_BOLD);
185 cairo_set_font_size (cr, 1.8 * rad);
187 string[0] = tile->letter;
189 cairo_text_extents (cr, string, &extents);
190 tx = cx - extents.width / 2 - extents.x_bearing;
191 ty = cy - extents.height / 2 - extents.y_bearing;
193 cairo_set_source_rgb (cr, 0.7, 0.7, 0.7);
194 cairo_move_to (cr, tx + 1, ty + 1);
195 cairo_show_text (cr, string);
197 cairo_set_source_rgb (cr, 0.33, 0.33, 0.33);
198 cairo_move_to (cr, tx - 1, ty - 1);
199 cairo_show_text (cr, string);
201 cairo_set_source_rgb (cr, 0.2, 0.3, 0.8);
202 cairo_move_to (cr, tx, ty);
203 cairo_show_text (cr, string);
209 tile_glide_to (tile_t *tile, int x, int y)
211 goo_canvas_item_animate (tile->item, x, y,
214 GOO_CANVAS_ANIMATE_FREEZE);
220 tile_create (GooCanvasItem *parent,
221 char letter, int rack_index)
225 tile = g_malloc (sizeof (tile_t));
226 tile->letter = tolower (letter);
227 tile->rack_index = rack_index;
228 rack_tile_position (rack_index, &tile->x, &tile->y);
229 tile->item = goo_demo_item_new (parent,
231 LETTER_SIZE, LETTER_SIZE,
235 tile->guessed = FALSE;
241 on_delete_event (GtkWidget *window,
243 gpointer unused_data)
249 rand_within (int num_values)
251 return (int) ((double) num_values * (rand() / (RAND_MAX + 1.0)));
255 shuffle (int *array, int length)
259 for (i = 0; i < length; i++)
261 r = i + rand_within (length - i);
269 rack_init (rack_t *rack,
273 GooCanvasItem *root = goo_canvas_get_root_item (canvas);
275 for (i = 0; i < MAX_TILES; i++)
276 rack->tiles[i] = NULL;
279 rack->guess_length = 0;
282 bag_init (&rack->bag);
284 dict_init (&rack->dict);
285 dict_add_words_from_file (&rack->dict, "words.txt");
287 dict_init (&rack->solution);
289 for (i = 0; i < MAX_TILES; i++)
290 rack->tiles[i] = tile_create (root, 'A', i);
295 rack_new_game (rack_t *rack)
301 /* Clean up any remnants from the last game */
302 dict_fini (&rack->solution);
304 bag_shuffle (&rack->bag);
306 /* Keep drawing until we get 7 non-blank tiles */
308 draw = rack->bag.tiles;
316 for (i = 0; i < 7; i++) {
317 rack->tiles[i]->letter = toupper (word[i]);
318 goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->tiles[i]->item), FALSE);
322 dict_init (&rack->solution);
323 subanagram_expand (word, &rack->dict, &rack->solution);
324 goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->solution_item), FALSE);
328 rack_shuffle (rack_t *rack)
330 int indices[MAX_TILES];
333 for (i = 0; i < rack->num_tiles; i++)
336 shuffle (indices, rack->num_tiles);
338 for (i = 0; i < rack->num_tiles; i++) {
339 rack->tiles[i]->rack_index = indices[i];
340 rack_tile_position (indices[i], &x, &y);
341 tile_glide_to (rack->tiles[i], x, y);
348 rack_return_tile (rack_t *rack, tile_t *tile)
352 rack_tile_position (tile->rack_index, &x, &y);
353 tile_glide_to (tile, x, y);
354 tile->guessed = FALSE;
355 rack->guess_length--;
356 rack->guess[rack->guess_length] = '\0';
360 rack_return_all (rack_t *rack)
364 for (i = 0; i < rack->num_tiles; i++) {
365 if (rack->tiles[i]->guessed)
366 rack_return_tile (rack, rack->tiles[i]);
368 rack->guess_length = 0;
369 rack->guess[0] = '\0';
373 on_key_press_event (GtkWidget *widget,
379 rack_t *rack = user_data;
381 if (event->state & GDK_CONTROL_MASK &&
382 event->keyval == GDK_c)
385 goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->solution_item), FALSE);
388 if (event->keyval == GDK_Return) {
392 rack_new_game (rack);
395 if (rack->guess_length >= 3) {
396 entry = dict_lookup (&rack->solution, rack->guess);
397 if (DICT_ENTRY_IS_WORD (entry)) {
398 *entry = *entry | RACK_DICT_ENTRY_FOUND;
399 goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->solution_item), FALSE);
405 rack_return_all (rack);
409 if (event->keyval == GDK_space) {
410 rack_return_all (rack);
415 if (event->keyval == GDK_BackSpace) {
416 gboolean found = FALSE;
419 for (i = 0; i < rack->num_tiles; i++) {
420 /* XXX: evil stuff here... please refactor a lot */
421 if (rack->guess[rack->guess_length-1] == rack->tiles[i]->letter &&
422 rack->tiles[i]->guessed &&
423 rack->tiles[i]->x > x)
430 rack_return_tile (rack, rack->tiles[found_index]);
436 /* XXX: event->string is deprecated, but the non-deprecated
437 * input-method stuff (GtkIMContext) is extremely non-obvious to
439 guess_letter = toupper (event->string[0]);
440 for (i = 0; i < rack->num_tiles; i++) {
441 if (guess_letter == rack->tiles[i]->letter &&
442 ! rack->tiles[i]->guessed)
444 guess_tile_position (rack->guess_length, &x, &y);
445 tile_glide_to (rack->tiles[i], x, y);
446 rack->tiles[i]->guessed = TRUE;
447 rack->guess[rack->guess_length++] = guess_letter;
448 rack->guess[rack->guess_length] = '\0';
457 create_window (rack_t *rack)
459 GtkWidget *window, *scrolled_window;
461 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
462 gtk_window_set_default_size (GTK_WINDOW (window), 500, 500);
463 gtk_widget_show (window);
464 g_signal_connect (window, "delete_event",
465 (GtkSignalFunc) on_delete_event, NULL);
467 gtk_widget_add_events (window, GDK_KEY_PRESS_MASK);
468 g_signal_connect (window, "key_press_event",
469 (GtkSignalFunc) on_key_press_event, rack);
471 scrolled_window = gtk_scrolled_window_new (NULL, NULL);
472 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
474 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
475 GTK_POLICY_AUTOMATIC,
476 GTK_POLICY_AUTOMATIC);
477 gtk_widget_show (scrolled_window);
478 gtk_container_add (GTK_CONTAINER (window), scrolled_window);
480 return scrolled_window;
484 create_canvas (GtkWidget *parent, rack_t *rack)
489 canvas = goo_canvas_new ();
490 gtk_widget_set_size_request (canvas, 400, 480);
491 goo_canvas_set_bounds (GOO_CANVAS (canvas), 0, 0, 400, 480);
492 gtk_widget_show (canvas);
493 gtk_container_add (GTK_CONTAINER (parent), canvas);
495 root = goo_canvas_get_root_item (GOO_CANVAS (canvas));
497 rack->solution_item = goo_demo_item_new (root,
499 LETTER_PAD + 2 * (LETTER_SIZE + 2 * LETTER_PAD),
500 400 - 20, 480 - (LETTER_PAD + 2 * (LETTER_SIZE + 2 * LETTER_PAD)),
504 return GOO_CANVAS (canvas);
508 main (int argc, char *argv[])
515 gettimeofday (&tv, NULL);
516 srand (tv.tv_sec ^ tv.tv_usec);
518 gtk_init (&argc, &argv);
520 window = create_window (&rack);
522 canvas = create_canvas (window, &rack);
524 rack_init (&rack, canvas);
526 rack_new_game (&rack);