Added the ability to resize string variables from the GUI. Thanks to

[pspp-builds.git] / src / data / variable.c

diff --git a/src/data/variable.c b/src/data/variable.c
index aa65606f02652d826b976a7f0a423cfb3b16b3f9..a10a8adea7ec03cbf60fd7cde4633f8fa5c7c167 100644 (file)
--- a/src/data/variable.c
+++ b/src/data/variable.c
@@ -29,6 +29,7 @@
 #include "value-labels.h"
 #include "vardict.h"
 
+#include <libpspp/misc.h>
 #include <libpspp/alloc.h>
 #include <libpspp/assertion.h>
 #include <libpspp/compiler.h>
@@ -349,6 +350,7 @@ var_get_width (const struct variable *v)
 void
 var_set_width (struct variable *v, int new_width)
 {
+  const int old_width = v->width;
   enum var_type new_type = var_type_from_width (new_width);
 
   if (mv_is_resizable (&v->miss, new_width))
@@ -382,6 +384,14 @@ var_set_width (struct variable *v, int new_width)
 
   v->width = new_width;
 
+  {
+    const int old_val_count = value_cnt_from_width (old_width);
+    const int new_val_count = value_cnt_from_width (new_width);
+
+    if ( old_val_count != new_val_count)
+        dict_var_resized (v, new_val_count - old_val_count);
+  }
+
   dict_var_changed (v);
 }