+ cairo_t *cr;
+
+ cr = gdk_cairo_create (widget->window);
+
+ deck_draw(game, cr, event->region);
+
+ if (game->selection_box.visible)
+ selection_box_draw(&game->selection_box, cr);
+
+ hand_draw(game, 0, cr, event->region);
+
+ cairo_destroy (cr);
+
+ return TRUE;
+}
+
+static gboolean on_key_press_event (GtkWidget *widget, GdkEventKey *event, game_t *game)
+{
+ printf ("You pressed key %d\n", event->keyval);
+
+ return TRUE;
+}
+
+static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
+{
+ int i, tile_x, tile_y;
+ tile_t *curr_tile = &game->deck.tiles[game->current_tile];
+
+ 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 && event->x <= (tile_x + TILE_WIDTH) &&
+ event->y >= tile_y && event->y <= (tile_y + TILE_HEIGHT) )
+ {
+ game->select_mode = 0;
+
+ curr_tile = &game->deck.tiles[game->current_tile];
+ game->deck.tiles[game->current_tile].selected = 0;
+ gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
+
+ game->current_tile = i;
+ curr_tile = &game->deck.tiles[game->current_tile];
+ if (!curr_tile->selected)
+ curr_tile->selected = 1;
+ else
+ curr_tile->selected = 0;
+ gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
+
+ game->diff_x = event->x - tile_x;
+ game->diff_y = event->y - tile_y;
+ }
+ }
+ if (game->select_mode)
+ {
+ game->deck.tiles[game->current_tile].selected = 0;
+ gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
+
+ game->selection_box.visible = 1;
+ /*These next two lines are likely to be replaced by...*/
+ game->click_x = event->x;
+ game->click_y = event->y;
+ /*...these two lines*/
+ game->selection_box.x1 = event->x;
+ game->selection_box.x2 = event->x;
+ game->selection_box.y1 = event->y;
+ game->selection_box.y2 = event->y;
+ }
+ return TRUE;
+}
+
+static gboolean on_button_release_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
+{
+ if (game->select_mode)
+ {
+ game->select_mode = 0;
+ selection_box_t *box;
+ box = &game->selection_box;
+
+ int x_min = MIN(box->x1, box->x2);
+ int x_max = MAX(box->x1, box->x2);
+ int y_min = MIN(box->y1, box->y2);
+ int y_max = MAX(box->y1, box->y2);
+ int width = abs(box->x2 - box->x1);
+ int height = abs(box->y2 - box->y1);
+
+ box->visible = 0;
+ gtk_widget_queue_draw_area (widget, x_min, y_min, width, height);
+
+ tile_group_t group;
+ group.num_tiles = 0;
+
+ int i, tile_x, tile_y, tile_x2, tile_y2;
+ for (i = 0; i < game->deck.num_tiles; i++)
+ {
+ tile_x = game->deck.tiles[i].x;
+ tile_y = game->deck.tiles[i].y;
+ tile_x2 = tile_x + TILE_WIDTH;
+ tile_y2 = tile_y + TILE_HEIGHT;
+ if (/*If top-left corner*/
+ (tile_x >= x_min && tile_x <= x_max &&
+ tile_y >= y_min && tile_y <= y_max) ||
+ /*or bottom-right corner*/
+ (tile_x2 >= x_min && tile_x2 <= x_max &&
+ tile_y2 >= y_min && tile_y2 <= y_max) ||
+ /*or bottom-left corner*/
+ (tile_x >= x_min && tile_x <= x_max &&
+ tile_y2 >= y_min && tile_y2 <= y_max) ||
+ /*or top-right corner of tile selected*/
+ (tile_x2 >= x_min && tile_x2 <= x_max &&
+ tile_y >= y_min && tile_y <= y_max) ||
+ /*or left edge*/
+ (y_min >= tile_y && y_min <= tile_y2 &&
+ x_min <= tile_x && x_max >= tile_x) ||
+ /*or top edge*/
+ (x_min >= tile_x && x_min <= tile_x2 &&
+ y_min <= tile_y && y_max >= tile_y) ||
+ /*or right edge*/
+ (y_min >= tile_y && y_min <= tile_y2 &&
+ x_min >= tile_x && x_min <= tile_x2) ||
+ /*or bottom edge*/
+ (x_min >= tile_x && x_min <= tile_x2 &&
+ y_min >= tile_y && y_min <= 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->select_mode = 1;
+
+ return TRUE;
+}
+
+static gboolean on_button_motion_event (GtkWidget *widget, GdkEventMotion *event,
+ game_t *game, cairo_t *cr)
+{
+ if (game->select_mode)
+ {
+ selection_box_t *box;
+ box = &game->selection_box;
+ box->visible = 1;
+
+ gtk_widget_queue_draw_area ( widget, MIN(box->x1, box->x2), MIN(box->y1,box->y2), abs(box->x2 - box->x1), abs(box->y2 - box->y1) );
+
+ box->x2 = event->x;
+ box->y2 = event->y;
+
+ gtk_widget_queue_draw_area ( widget, MIN(box->x1, box->x2), MIN(box->y1, box->y2), abs(box->x2 - box->x1), abs(box->y2 - box->y1) );
+
+ int i;
+ tile_t *curr_tile;
+ for (i = 0; i < game->deck.num_tiles; i++)
+ {
+ if ((event->x >= game->deck.tiles[i].x &&
+ event->x <= game->deck.tiles[i].x + TILE_WIDTH) &&
+ (event->y >= game->deck.tiles[i].y &&
+ event->y <= game->deck.tiles[i].y + TILE_HEIGHT))
+ {
+ curr_tile = &game->deck.tiles[i];
+ curr_tile->selected = 1;
+ gtk_widget_queue_draw_area (widget, curr_tile->x - 1, curr_tile->y - 1, TILE_WIDTH + 1, TILE_HEIGHT + 2);
+ }
+ }
+ }
+ else
+ {
+ 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);
+ }
+ return TRUE;
+}
+
+int main(int argc, char *argv[])
+{
+ GtkWidget *window;