examples: adds a 'C' button to the calculator

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

diff --git a/examples/calculator.nit b/examples/calculator.nit
index d1417ad..107be09 100644 (file)
--- a/examples/calculator.nit
+++ b/examples/calculator.nit
@@ -27,7 +27,12 @@ class CalculatorContext
        fun push_op( op : Char )
        do
                apply_last_op_if_any
-               last_op = op # store for next push_op
+               if op == 'C' then
+                       self.result = 0.0
+                       last_op = null
+               else
+                       last_op = op # store for next push_op
+               end
 
                # prepare next current
                after_point = null
@@ -175,6 +180,12 @@ class CalculatorGui
                but_dot.signal_connect( "clicked", self, '.' )
                container.attach( but_dot, 1, 4, 1, 1 )
 
+               #C
+               var but_c =  new GtkButton.with_label( "C" )
+               but_c.request_size( 64, 64 )
+               but_c.signal_connect("clicked", self, 'C')
+               container.attach( but_c, 2, 4, 1, 1 )
+
                win.show_all
        end
 end