+ if (game->current_tile == -1)
+ {
+ tile_group_t group;
+ group.num_tiles = 0;
+
+ int i, tile_x, tile_y;
+ for (i = 0; i < game->deck.num_tiles; i++)
+ {
+ tile_x = game->deck.tiles[i].x;
+ tile_y = game->deck.tiles[i].y;
+ if ( (event->x >= tile_x && game->click_x <= tile_x &&
+ event->y >= tile_y && game->click_y <= tile_y) ||
+ (event->x >= tile_x && game->click_x <= tile_x &&
+ event->y <= (tile_y + TILE_HEIGHT) && game->click_y >= tile_y) )
+ {
+ group.tiles[group.num_tiles] = game->deck.tiles[i];
+ group.num_tiles++;
+ }
+ }
+ printf("is run %d\n", tile_group_is_run_one(&group) );
+ printf("is set %d\n", tile_group_is_set(&group) );
+ for (i = 0; i < group.num_tiles; i++)
+ tile_print(group.tiles[i]);
+ }
+
+ game->current_tile = -1;
+
+ return TRUE;
+}
+
+static gboolean on_button_motion_event (GtkWidget *widget, GdkEventMotion *event,
+ game_t *game, cairo_t *cr)
+{
+ tile_t *tile;
+
+ tile = &game->deck.tiles[game->current_tile];
+
+ /* First, invalidate the region where the tile currently is. */
+ gtk_widget_queue_draw_area (widget, tile->x - 1, tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
+
+ /* Then, move the tile */
+ tile->x = event->x - game->diff_x;
+ tile->y = event->y - game->diff_y;
+
+ /* Finally, invalidate the region where the tile is now. */
+ gtk_widget_queue_draw_area (widget, tile->x - 1, tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);