2 * Copyright (C) 2008 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 3 of the License, or
7 * (at your option) any later version.
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, see http://www.gnu.org/licenses/ .
17 * Author: Carl Worth <cworth@cworth.org>
24 #include "dvonn-board.h"
26 #define BOARD_X_SIZE 11
27 #define BOARD_Y_SIZE 5
37 typedef struct _loa_game loa_game_t;
50 dvonn_bool_t has_selected;
56 on_delete_event_quit (GtkWidget *widget,
62 /* Returning FALSE allows the default handler for delete-event
63 * to proceed to cleanup the widget. */
67 /* Something like buff */
68 #define BACKGROUND_COLOR 0.89, 0.70, 0.40
69 #define LIGHT_SQUARE_COLOR 0.89, 0.70, 0.40
70 /* Something like mahogany */
71 #define DARK_SQUARE_COLOR 0.26, 0.02, 0.01
73 /* XXX: This really should have an interest rectangle. */
75 loa_game_update_windows (loa_game_t *game)
79 for (i = 0; i < game->num_views; i++)
80 gtk_widget_queue_draw (game->views[i]->window);
84 on_button_press_event (GtkWidget *widget,
85 GdkEventButton *event,
88 view_t *view = user_data;
89 layout_t *layout = &view->layout;
90 loa_game_t *game = view->game;
94 x = (event->x - layout->x_offset) / layout->cell_size;
95 y = (event->y - layout->y_offset) / layout->cell_size;
97 if (! game->has_selected) {
98 if (game->board.cells[x][y].type == game->board.player) {
99 game->has_selected = TRUE;
100 game->selected_x = x;
101 game->selected_y = y;
102 loa_game_update_windows (game);
107 /* Do nothing for out-of-bounds clicks */
108 if (x < 0 || x >= DVONN_BOARD_X_SIZE ||
109 y < 0 || y >= DVONN_BOARD_Y_SIZE)
114 if (x == game->selected_x &&
115 y == game->selected_y)
117 game->has_selected = FALSE;
118 loa_game_update_windows (game);
122 if (dvonn_board_move (&game->board,
123 game->selected_x, game->selected_y,
126 game->has_selected = FALSE;
127 loa_game_update_windows (game);
130 printf ("Illegal move %c%d%c%d: %s\n",
131 'a' + game->selected_x,
132 DVONN_BOARD_Y_SIZE - game->selected_y,
134 DVONN_BOARD_Y_SIZE - y,
141 /* Add a unit-sized DVONN-ring path to cr, from (0,0) to (1,1). */
143 ring_path (cairo_t *cr)
145 cairo_arc (cr, 0.5, 0.5, 0.4, 0, 2 * M_PI);
146 cairo_arc_negative (cr, 0.5, 0.5, 0.2, 2 * M_PI, 0);
150 on_expose_event_draw (GtkWidget *widget,
151 GdkEventExpose *event,
154 view_t *view = user_data;
155 layout_t *layout = &view->layout;
156 loa_game_t *game = view->game;
160 if (layout->width != widget->allocation.width ||
161 layout->height != widget->allocation.height)
165 layout->width = widget->allocation.width;
166 layout->height = widget->allocation.height;
168 x_size = layout->width;
169 if (x_size > layout->height * BOARD_X_SIZE / BOARD_Y_SIZE)
170 x_size = layout->height * BOARD_X_SIZE / BOARD_Y_SIZE;
172 /* Size must be a multiple of the integer cell_size */
173 layout->cell_size = x_size / BOARD_X_SIZE;
174 x_size = layout->cell_size * BOARD_X_SIZE;
175 y_size = layout->cell_size * BOARD_Y_SIZE;
177 layout->x_offset = (layout->width - x_size) / 2;
178 layout->y_offset = (layout->height - y_size) / 2;
181 cr = gdk_cairo_create (widget->window);
183 cairo_set_source_rgb (cr, BACKGROUND_COLOR);
186 cairo_translate (cr, layout->x_offset, layout->y_offset);
187 cairo_scale (cr, layout->cell_size, layout->cell_size);
189 for (y = 0; y < BOARD_Y_SIZE; y++) {
190 for (x = 0; x < BOARD_X_SIZE; x++) {
193 cell = game->board.cells[x][y];
194 if (cell.type == DVONN_CELL_INVALID)
199 x + (y - DVONN_BOARD_Y_SIZE/2) / 2.0, y);
201 cairo_set_source_rgba (cr, 0.0, 0.0, 0.2, 0.1);
214 loa_game_init (loa_game_t *game)
219 game->has_selected = FALSE;
221 dvonn_board_init (&game->board);
225 view_init (view_t *view, loa_game_t *game, GtkWidget *window)
228 view->window = window;
230 view->layout.width = 0;
231 view->layout.height = 0;
235 loa_game_create_view (loa_game_t *game)
239 GtkWidget *drawing_area;
241 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
243 view = malloc (sizeof (view_t));
245 fprintf (stderr, "Out of memory.\n");
250 game->views = realloc (game->views,
251 game->num_views * sizeof (view_t *));
252 if (game->views == NULL) {
253 fprintf (stderr, "Out of memory.\n");
256 game->views[game->num_views - 1] = view;
258 view_init (view, game, window);
260 gtk_window_set_default_size (GTK_WINDOW (window), 561, 255);
262 g_signal_connect (window, "delete-event",
263 G_CALLBACK (on_delete_event_quit), NULL);
265 drawing_area = gtk_drawing_area_new ();
267 gtk_container_add (GTK_CONTAINER (window), drawing_area);
269 g_signal_connect (drawing_area, "expose-event",
270 G_CALLBACK (on_expose_event_draw), view);
272 gtk_widget_add_events (drawing_area, GDK_BUTTON_PRESS_MASK);
273 g_signal_connect (drawing_area, "button-press-event",
274 G_CALLBACK (on_button_press_event), view);
276 gtk_widget_show_all (window);
280 main (int argc, char *argv[])
284 loa_game_init (&game);
286 gtk_init (&argc, &argv);
288 /* Create two views of the game (one for each player) */
289 loa_game_create_view (&game);
290 loa_game_create_view (&game);