Click-n-drag to select multiple tiles

[kub] / kub.c

diff --git a/kub.c b/kub.c
index 452175ef3dc135ca7c2afaa93fb4a4b0128a3434..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)
@@ -142,11 +144,11 @@ static void tile_draw(game_t *game, tile_t *tile, cairo_t *cr, GdkRegion *region
     if (tile->color == RED)
         cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
     if (tile->color == YELLOW)
-       cairo_set_source_rgb (cr, 1.0, .843, 0.0);
-       if (tile->number + 1 > 9)
-               cairo_move_to (cr, 1, 25);
-       else
-               cairo_move_to (cr, 10, 25);
+    cairo_set_source_rgb (cr, 1.0, .843, 0.0);
+    if (tile->number + 1 > 9)
+        cairo_move_to (cr, 1, 25);
+    else
+        cairo_move_to (cr, 10, 25);
     cairo_set_font_size(cr, 25);
     cairo_show_text (cr, number_string);
     
@@ -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+    /*This line appears to be useless, has been replaced by line below*/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;
 }
 
@@ -477,22 +482,49 @@ static gboolean on_button_press_event (GtkWidget *widget, GdkEventButton *event,
     
     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->current_tile = i;
-                       game->diff_x = event->x - tile_x;
-                       game->diff_y = event->y - tile_y;
-               }
+        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->current_tile = i;
+            game->diff_x = event->x - tile_x;
+            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);