examples : adds the disabling of "." button in calculator

Signed-off-by: Romain Chanoir <chanoir.romain@courrier.uqam.ca>

diff --git a/examples/calculator.nit b/examples/calculator.nit
index 0afbe9a..32c2f72 100644 (file)
--- a/examples/calculator.nit
+++ b/examples/calculator.nit
@@ -96,6 +96,7 @@ class CalculatorGui
 
        var lbl_disp : GtkLabel
        var but_eq : GtkButton
+       var but_dot : GtkButton
 
        var context = new CalculatorContext
 
@@ -111,9 +112,11 @@ class CalculatorGui
                if user_data isa Char then # is an operation
                        var c = user_data
                        if c == '.' then
-                               context.switch_to_decimals
-                               lbl_disp.text = "{context.current.to_i}."
+                                       but_dot.set_sensitive= false
+                                       context.switch_to_decimals
+                                       lbl_disp.text = "{context.current.to_i}."
                        else
+                               but_dot.set_sensitive= true
                                context.push_op( c )
                                
                                var s = context.result.to_precision_native(6)
@@ -178,7 +181,7 @@ class CalculatorGui
                container.attach( but_eq, 4, 3, 1, 2 )
 
                # .
-               var but_dot = new GtkButton.with_label( "." )
+               but_dot = new GtkButton.with_label( "." )
                but_dot.request_size( 64, 64 )
                but_dot.signal_connect( "clicked", self, '.' )
                container.attach( but_dot, 1, 4, 1, 1 )