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;
53 #define LETTER_SIZE 60
57 guess_tile_position (int i, int *x, int *y)
59 *x = 20 + i * (LETTER_SIZE + LETTER_PAD);
64 rack_tile_position (int i, int *x, int *y)
66 guess_tile_position (i, x, y);
67 *y += (LETTER_SIZE + LETTER_PAD);
70 typedef struct _dict_paint_cursor
79 } dict_paint_cursor_t;
82 dict_paint_action (void *closure, char *word, dict_entry_t *entry)
84 dict_paint_cursor_t *cursor = closure;
85 cairo_t *cr = cursor->cr;
88 if (strlen (word) < 3)
91 cairo_move_to (cr, cursor->x, cursor->y);
92 if (*entry & RACK_DICT_ENTRY_FOUND || cursor->show_all) {
93 if (*entry & RACK_DICT_ENTRY_FOUND)
94 cairo_set_source_rgb (cr, 0, 0, 0); /* black */
96 cairo_set_source_rgb (cr, 1, 0, 0); /* red */
97 cairo_show_text (cr, word);
99 int i, length = strlen (word);
100 for (i = 0; i < length; i++)
101 cairo_show_text (cr, "_");
103 cairo_get_current_point (cr, &new_x, &new_y);
104 if (new_x > cursor->max_column_width)
105 cursor->max_column_width = new_x;
106 cursor->y += cursor->line_height;
107 if (cursor->y > cursor->max_y) {
108 cursor->x = cursor->max_column_width + cursor->line_height / 2;
109 cursor->y = cursor->line_height;
113 #define SOLUTION_FONT_SIZE 12
114 #define SOLUTION_LINE_HEIGHT (1.5 * SOLUTION_FONT_SIZE)
117 dict_paint (cairo_t *cr, void *closure, double width, double height)
119 rack_t *rack = closure;
120 dict_paint_cursor_t cursor;
123 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */
127 cairo_select_font_face (cr, "mono", 0, 0);
128 cairo_set_font_size (cr, SOLUTION_FONT_SIZE);
129 cursor.line_height = SOLUTION_LINE_HEIGHT;
132 cursor.y = cursor.line_height;
134 cursor.max_column_width = 0;
135 cursor.max_y = height;
137 cursor.show_all = rack->done;
139 dict_for_each_by_length (rack->solution,
147 tile_paint (cairo_t *cr, void *closure, double width, double height)
149 tile_t *tile = closure;
151 cairo_pattern_t *gradient;
152 cairo_text_extents_t extents;
153 int rad = (int) MIN (width / 2, height / 2);
157 double spot_angle = M_PI / 4.0;
158 double spot_rad = rad / 2.0;
163 gradient = cairo_pattern_create_radial (cx - spot_rad * cos (spot_angle),
164 cy - spot_rad * sin (spot_angle),
166 cx - spot_rad * cos (spot_angle),
167 cy - spot_rad * sin (spot_angle),
169 cairo_pattern_add_color_stop_rgb (gradient, 0.0, 1.0, 1.0, 1.0);
170 cairo_pattern_add_color_stop_rgb (gradient, 1.0, 0.33, 0.33, 0.33);
172 cairo_set_source (cr, gradient);
180 cairo_select_font_face (cr, "mono",
181 CAIRO_FONT_SLANT_NORMAL,
182 CAIRO_FONT_WEIGHT_BOLD);
183 cairo_set_font_size (cr, 1.8 * rad);
185 string[0] = tile->letter;
187 cairo_text_extents (cr, string, &extents);
188 tx = cx - extents.width / 2 - extents.x_bearing;
189 ty = cy - extents.height / 2 - extents.y_bearing;
191 cairo_set_source_rgb (cr, 0.7, 0.7, 0.7);
192 cairo_move_to (cr, tx + 1, ty + 1);
193 cairo_show_text (cr, string);
195 cairo_set_source_rgb (cr, 0.33, 0.33, 0.33);
196 cairo_move_to (cr, tx - 1, ty - 1);
197 cairo_show_text (cr, string);
199 cairo_set_source_rgb (cr, 0.2, 0.3, 0.8);
200 cairo_move_to (cr, tx, ty);
201 cairo_show_text (cr, string);
207 tile_glide_to (tile_t *tile, int x, int y)
209 goo_canvas_item_animate (tile->item, x, y,
212 GOO_CANVAS_ANIMATE_FREEZE);
218 tile_create (GooCanvasItem *parent,
219 char letter, int rack_index)
223 tile = g_malloc (sizeof (tile_t));
224 tile->letter = tolower (letter);
225 tile->rack_index = rack_index;
226 rack_tile_position (rack_index, &tile->x, &tile->y);
227 tile->item = goo_demo_item_new (parent,
229 LETTER_SIZE, LETTER_SIZE,
233 tile->guessed = FALSE;
239 on_delete_event (GtkWidget *window,
241 gpointer unused_data)
247 rand_within (int num_values)
249 return (int) ((double) num_values * (rand() / (RAND_MAX + 1.0)));
253 shuffle (int *array, int length)
257 for (i = 0; i < length; i++)
259 r = i + rand_within (length - i);
267 rack_init (rack_t *rack,
272 for (i = 0; i < MAX_TILES; i++)
273 rack->tiles[i] = NULL;
276 rack->guess_length = 0;
277 rack->solution = solution;
278 rack->solution_item = NULL;
283 rack_create_tiles (rack_t *rack,
289 GooCanvasItem *root = goo_canvas_get_root_item (canvas);
291 for (i = 0; i < MIN (MAX_TILES, strlen (word)); i++)
292 rack->tiles[i] = tile_create (root, word[i], i);
297 rack_shuffle (rack_t *rack)
299 int indices[MAX_TILES];
302 for (i = 0; i < rack->num_tiles; i++)
305 shuffle (indices, rack->num_tiles);
307 for (i = 0; i < rack->num_tiles; i++) {
308 rack->tiles[i]->rack_index = indices[i];
309 rack_tile_position (indices[i], &x, &y);
310 tile_glide_to (rack->tiles[i], x, y);
317 rack_return_tile (rack_t *rack, tile_t *tile)
321 rack_tile_position (tile->rack_index, &x, &y);
322 tile_glide_to (tile, x, y);
323 tile->guessed = FALSE;
324 rack->guess_length--;
325 rack->guess[rack->guess_length] = '\0';
329 rack_return_all (rack_t *rack)
333 for (i = 0; i < rack->num_tiles; i++) {
334 if (rack->tiles[i]->guessed)
335 rack_return_tile (rack, rack->tiles[i]);
337 rack->guess_length = 0;
338 rack->guess[0] = '\0';
342 on_key_press_event (GtkWidget *widget,
348 rack_t *rack = user_data;
350 if (event->state & GDK_CONTROL_MASK &&
351 event->keyval == GDK_c)
354 goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->solution_item), FALSE);
357 if (event->keyval == GDK_Return) {
359 if (rack->guess_length >= 3) {
360 entry = dict_lookup (rack->solution, rack->guess);
361 if (DICT_ENTRY_IS_WORD (entry)) {
362 *entry = *entry | RACK_DICT_ENTRY_FOUND;
363 goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->solution_item), FALSE);
369 rack_return_all (rack);
373 if (event->keyval == GDK_space) {
374 rack_return_all (rack);
379 if (event->keyval == GDK_BackSpace) {
380 gboolean found = FALSE;
383 for (i = 0; i < rack->num_tiles; i++) {
384 /* XXX: evil stuff here... please refactor a lot */
385 if (rack->guess[rack->guess_length-1] == rack->tiles[i]->letter &&
386 rack->tiles[i]->guessed &&
387 rack->tiles[i]->x > x)
394 rack_return_tile (rack, rack->tiles[found_index]);
400 /* XXX: event->string is deprecated, but the non-deprecated
401 * input-method stuff (GtkIMContext) is extremely non-obvious to
403 guess_letter = tolower (event->string[0]);
404 for (i = 0; i < rack->num_tiles; i++) {
405 if (guess_letter == rack->tiles[i]->letter &&
406 ! rack->tiles[i]->guessed)
408 guess_tile_position (rack->guess_length, &x, &y);
409 tile_glide_to (rack->tiles[i], x, y);
410 rack->tiles[i]->guessed = TRUE;
411 rack->guess[rack->guess_length++] = guess_letter;
412 rack->guess[rack->guess_length] = '\0';
421 create_window (rack_t *rack)
423 GtkWidget *window, *scrolled_window;
425 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
426 gtk_window_set_default_size (GTK_WINDOW (window), 500, 500);
427 gtk_widget_show (window);
428 g_signal_connect (window, "delete_event",
429 (GtkSignalFunc) on_delete_event, NULL);
431 gtk_widget_add_events (window, GDK_KEY_PRESS_MASK);
432 g_signal_connect (window, "key_press_event",
433 (GtkSignalFunc) on_key_press_event, rack);
435 scrolled_window = gtk_scrolled_window_new (NULL, NULL);
436 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
438 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
439 GTK_POLICY_AUTOMATIC,
440 GTK_POLICY_AUTOMATIC);
441 gtk_widget_show (scrolled_window);
442 gtk_container_add (GTK_CONTAINER (window), scrolled_window);
444 return scrolled_window;
448 create_canvas (GtkWidget *parent, rack_t *rack)
453 canvas = goo_canvas_new ();
454 gtk_widget_set_size_request (canvas, 400, 480);
455 goo_canvas_set_bounds (GOO_CANVAS (canvas), 0, 0, 400, 480);
456 gtk_widget_show (canvas);
457 gtk_container_add (GTK_CONTAINER (parent), canvas);
459 root = goo_canvas_get_root_item (GOO_CANVAS (canvas));
461 rack->solution_item = goo_demo_item_new (root,
463 LETTER_PAD + 2 * (LETTER_SIZE + 2 * LETTER_PAD),
464 400 - 20, 480 - (LETTER_PAD + 2 * (LETTER_SIZE + 2 * LETTER_PAD)),
468 return GOO_CANVAS (canvas);
472 main (int argc, char *argv[])
474 dict_t dict, solution;
484 gettimeofday (&tv, NULL);
485 srand (tv.tv_sec ^ tv.tv_usec);
490 /* Keep drawing until we get 7 non-blank tiles */
495 word[i++] = toupper (*draw);
500 dict_add_words_from_file (&dict, "words.txt");
502 dict_init (&solution);
503 subanagram_expand (word, &dict, &solution);
505 gtk_init (&argc, &argv);
507 rack_init (&rack, &solution);
509 window = create_window (&rack);
511 canvas = create_canvas (window, &rack);
513 rack_create_tiles (&rack, canvas, word);