[Gpredict-svn] SF.net SVN: gpredict:[114] trunk/src/gtk-rot-knob.c

[<cs...@us...>]

Revision: 114
          http://gpredict.svn.sourceforge.net/gpredict/?rev=114&view=rev
Author:   csete
Date:     2008-09-16 20:38:57 +0000 (Tue, 16 Sep 2008)

Log Message:
-----------
Ensure that knob value is within new range when upper or lower limits are modified.

Modified Paths:
--------------
    trunk/src/gtk-rot-knob.c

Modified: trunk/src/gtk-rot-knob.c
===================================================================
--- trunk/src/gtk-rot-knob.c	2008-09-16 01:31:09 UTC (rev 113)
+++ trunk/src/gtk-rot-knob.c	2008-09-16 20:38:57 UTC (rev 114)
@@ -368,8 +368,15 @@
 gtk_rot_knob_set_min   (GtkRotKnob *knob, gdouble min)
 {
     /* just som sanity check we have only 3 digits */
-    if (min < 1000)
+    if (min < 1000) {
         knob->min = min;
+        
+        /* ensure that current value is within range */
+        if (knob->value < knob->min) {
+            knob->value = knob->min;
+            gtk_rot_knob_update (knob);
+        }
+    }
 }
 
 /** \brief Set the upper limit of the control widget
@@ -380,8 +387,15 @@
 gtk_rot_knob_set_max (GtkRotKnob *knob, gdouble max)
 {
     /* just som sanity check we have only 3 digits */
-    if (max < 1000)
+    if (max < 1000) {
         knob->max = max;
+        
+        /* ensure that current value is within range */
+        if (knob->value > knob->max) {
+            knob->value = knob->max;
+            gtk_rot_knob_update (knob);
+        }
+    }
 }
 
 


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