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;
104 #define SOLUTION_FONT_SIZE 12
105 #define SOLUTION_LINE_HEIGHT (1.5 * SOLUTION_FONT_SIZE)
108 dict_paint (cairo_t *cr, void *closure, double width, double height)
110 dict_t *dict = closure;
111 dict_paint_cursor_t cursor;
114 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */
118 cairo_select_font_face (cr, "mono", 0, 0);
119 cairo_set_font_size (cr, SOLUTION_FONT_SIZE);
120 cursor.line_height = SOLUTION_LINE_HEIGHT;
125 cursor.max_column_width = 0;
126 cursor.max_y = height;
128 dict_for_each_by_length (dict,
136 tile_paint (cairo_t *cr, void *closure, double width, double height)
138 tile_t *tile = closure;
140 cairo_pattern_t *gradient;
141 cairo_text_extents_t extents;
142 int rad = (int) MIN (width / 2, height / 2);
146 double spot_angle = M_PI / 4.0;
147 double spot_rad = rad / 2.0;
152 gradient = cairo_pattern_create_radial (cx - spot_rad * cos (spot_angle),
153 cy - spot_rad * sin (spot_angle),
155 cx - spot_rad * cos (spot_angle),
156 cy - spot_rad * sin (spot_angle),
158 cairo_pattern_add_color_stop_rgb (gradient, 0.0, 1.0, 1.0, 1.0);
159 cairo_pattern_add_color_stop_rgb (gradient, 1.0, 0.33, 0.33, 0.33);
161 cairo_set_source (cr, gradient);
169 cairo_select_font_face (cr, "mono",
170 CAIRO_FONT_SLANT_NORMAL,
171 CAIRO_FONT_WEIGHT_BOLD);
172 cairo_set_font_size (cr, 1.8 * rad);
174 string[0] = tile->letter;
176 cairo_text_extents (cr, string, &extents);
177 tx = cx - extents.width / 2 - extents.x_bearing;
178 ty = cy - extents.height / 2 - extents.y_bearing;
180 cairo_set_source_rgb (cr, 0.7, 0.7, 0.7);
181 cairo_move_to (cr, tx + 1, ty + 1);
182 cairo_show_text (cr, string);
184 cairo_set_source_rgb (cr, 0.33, 0.33, 0.33);
185 cairo_move_to (cr, tx - 1, ty - 1);
186 cairo_show_text (cr, string);
188 cairo_set_source_rgb (cr, 0.2, 0.3, 0.8);
189 cairo_move_to (cr, tx, ty);
190 cairo_show_text (cr, string);
196 tile_glide_to (tile_t *tile, int x, int y)
198 goo_canvas_item_animate (tile->item, x, y,
201 GOO_CANVAS_ANIMATE_FREEZE);
207 tile_create (GooCanvasItem *parent,
208 char letter, int rack_index)
212 tile = g_malloc (sizeof (tile_t));
213 tile->letter = tolower (letter);
214 tile->rack_index = rack_index;
215 rack_tile_position (rack_index, &tile->x, &tile->y);
216 tile->item = goo_demo_item_new (parent,
218 LETTER_SIZE, LETTER_SIZE,
222 tile->guessed = FALSE;
228 on_delete_event (GtkWidget *window,
230 gpointer unused_data)
236 rand_within (int num_values)
238 return (int) ((double) num_values * (rand() / (RAND_MAX + 1.0)));
242 shuffle (int *array, int length)
246 for (i = 0; i < length; i++)
248 r = i + rand_within (length - i);
256 rack_init (rack_t *rack,
261 for (i = 0; i < MAX_TILES; i++)
262 rack->tiles[i] = NULL;
265 rack->guess_length = 0;
266 rack->solution = solution;
267 rack->solution_item = NULL;
271 rack_create_tiles (rack_t *rack,
277 GooCanvasItem *root = goo_canvas_get_root_item (canvas);
279 for (i = 0; i < MIN (MAX_TILES, strlen (word)); i++)
280 rack->tiles[i] = tile_create (root, word[i], i);
285 rack_shuffle (rack_t *rack)
287 int indices[MAX_TILES];
290 for (i = 0; i < rack->num_tiles; i++)
293 shuffle (indices, rack->num_tiles);
295 for (i = 0; i < rack->num_tiles; i++) {
296 rack->tiles[i]->rack_index = indices[i];
297 rack_tile_position (indices[i], &x, &y);
298 tile_glide_to (rack->tiles[i], x, y);
305 rack_return_tile (rack_t *rack, tile_t *tile)
309 rack_tile_position (tile->rack_index, &x, &y);
310 tile_glide_to (tile, x, y);
311 tile->guessed = FALSE;
312 rack->guess_length--;
313 rack->guess[rack->guess_length] = '\0';
317 rack_return_all (rack_t *rack)
321 for (i = 0; i < rack->num_tiles; i++) {
322 if (rack->tiles[i]->guessed)
323 rack_return_tile (rack, rack->tiles[i]);
325 rack->guess_length = 0;
326 rack->guess[0] = '\0';
330 on_key_press_event (GtkWidget *widget,
336 rack_t *rack = user_data;
338 if (event->keyval == GDK_Return) {
340 entry = dict_lookup (rack->solution, rack->guess);
341 if (DICT_ENTRY_IS_WORD (entry)) {
342 *entry = *entry | RACK_DICT_ENTRY_FOUND;
343 goo_canvas_item_simple_changed (GOO_CANVAS_ITEM_SIMPLE (rack->solution_item), FALSE);
345 rack_return_all (rack);
349 if (event->keyval == GDK_space) {
350 rack_return_all (rack);
355 if (event->keyval == GDK_BackSpace) {
356 gboolean found = FALSE;
359 for (i = 0; i < rack->num_tiles; i++) {
360 /* XXX: evil stuff here... please refactor a lot */
361 if (rack->guess[rack->guess_length-1] == rack->tiles[i]->letter &&
362 rack->tiles[i]->guessed &&
363 rack->tiles[i]->x > x)
370 rack_return_tile (rack, rack->tiles[found_index]);
376 /* XXX: event->string is deprecated, but the non-deprecated
377 * input-method stuff (GtkIMContext) is extremely non-obvious to
379 guess_letter = tolower (event->string[0]);
380 for (i = 0; i < rack->num_tiles; i++) {
381 if (guess_letter == rack->tiles[i]->letter &&
382 ! rack->tiles[i]->guessed)
384 guess_tile_position (rack->guess_length, &x, &y);
385 tile_glide_to (rack->tiles[i], x, y);
386 rack->tiles[i]->guessed = TRUE;
387 rack->guess[rack->guess_length++] = guess_letter;
388 rack->guess[rack->guess_length] = '\0';
397 create_window (rack_t *rack)
399 GtkWidget *window, *scrolled_window;
401 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
402 gtk_window_set_default_size (GTK_WINDOW (window), 500, 500);
403 gtk_widget_show (window);
404 g_signal_connect (window, "delete_event",
405 (GtkSignalFunc) on_delete_event, NULL);
407 gtk_widget_add_events (window, GDK_KEY_PRESS_MASK);
408 g_signal_connect (window, "key_press_event",
409 (GtkSignalFunc) on_key_press_event, rack);
411 scrolled_window = gtk_scrolled_window_new (NULL, NULL);
412 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
414 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
415 GTK_POLICY_AUTOMATIC,
416 GTK_POLICY_AUTOMATIC);
417 gtk_widget_show (scrolled_window);
418 gtk_container_add (GTK_CONTAINER (window), scrolled_window);
420 return scrolled_window;
424 create_canvas (GtkWidget *parent, rack_t *rack)
429 canvas = goo_canvas_new ();
430 gtk_widget_set_size_request (canvas, 400, 400);
431 goo_canvas_set_bounds (GOO_CANVAS (canvas), 0, 0, 400, 400);
432 gtk_widget_show (canvas);
433 gtk_container_add (GTK_CONTAINER (parent), canvas);
435 root = goo_canvas_get_root_item (GOO_CANVAS (canvas));
437 rack->solution_item = goo_demo_item_new (root,
438 LETTER_PAD + SOLUTION_LINE_HEIGHT,
439 LETTER_PAD + 2 * (LETTER_SIZE + 2 * LETTER_PAD),
440 400, 400 - (2 * (LETTER_SIZE + 2 * LETTER_PAD)),
441 dict_paint, rack->solution,
444 return GOO_CANVAS (canvas);
448 main (int argc, char *argv[])
450 dict_t dict, solution;
459 gettimeofday (&tv, NULL);
460 srand (tv.tv_sec ^ tv.tv_usec);
465 memcpy (word, bag.tiles, 7);
468 for (i = 0; i < 7; i++)
469 word[i] = toupper (word[i]);
472 dict_add_words_from_file (&dict, "words.txt");
474 dict_init (&solution);
475 subanagram_expand (word, &dict, &solution);
477 gtk_init (&argc, &argv);
479 rack_init (&rack, &solution);
481 window = create_window (&rack);
483 canvas = create_canvas (window, &rack);
485 rack_create_tiles (&rack, canvas, word);