Click-n-drag to select multiple tiles

[kub] / kub.c

diff --git a/kub.c b/kub.c
index 2b659b036095dd63e61fae0746a5618d3e5269ca..69be1d22e989480c196e2a3b1f708d0efdb89892 100644 (file)
--- a/kub.c
+++ b/kub.c
@@ -93,6 +93,8 @@ typedef struct game {
 
     int current_tile;
     int diff_x, diff_y;
+    int click_x, click_y;
+    int release_x, release_y;
 } game_t;
 
 static void tile_init (tile_t *tile, color_t color, int number)
@@ -445,7 +447,10 @@ static void game_init(game_t *game)
     if (error)
        FATAL_ERROR (error->message);
 
-    game->current_tile = game->deck.num_tiles - 1;
+    /*This line appears to be useless, has been replaced by line below*/
+    //game->current_tile = game->deck.num_tiles - 1;    
+    game->current_tile = -1;
+    
     game->diff_x = game->diff_y = 0;
 }
 
@@ -487,12 +492,39 @@ static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event,
             game->diff_y = event->y - tile_y;
         }
     }
-    
+    if (game->current_tile == -1)
+    {            
+            game->click_x = event->x;
+            game->click_y = event->y;
+    }
     return TRUE;
 }
 
 static gboolean on_button_release_event (GtkWidget *widget, GdkEventButton *event, game_t *game)
 {
+    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++;
+            }
+        }
+        for (i = 0; i < group.num_tiles; i++)
+            tile_print(group.tiles[i]);
+    }
+    
     game->current_tile = -1;
     printf ("You released button %d\n", event->button);