From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Fri, 21 Aug 2015 18:16:38 +0000 (-0400)
Subject: examples/calculator: add a debug option
X-Git-Tag: v0.7.8~71^2~2
X-Git-Url: http://nitlanguage.org

examples/calculator: add a debug option

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/examples/calculator/Makefile b/examples/calculator/Makefile
index ed20940..edcfc14 100644
--- a/examples/calculator/Makefile
+++ b/examples/calculator/Makefile
@@ -10,7 +10,7 @@ bin/calculator: $(shell ${NITLS} -M src/calculator.nit -m linux) ${NITC}
 bin/calculator.apk: $(shell ${NITLS} -M src/calculator.nit -m android) ${NITC} ../../contrib/inkscape_tools/bin/svg_to_icons
 	mkdir -p bin res
 	../../contrib/inkscape_tools/bin/svg_to_icons art/icon.svg --android --out res/
-	${NITC} -o $@ src/calculator.nit -m ../../lib/android/ui/
+	${NITC} -o $@ src/calculator.nit -m ../../lib/android/ui/ -D debug
 
 ../../contrib/inkscape_tools/bin/svg_to_icons:
 	make -C ../../contrib/inkscape_tools/
diff --git a/examples/calculator/src/calculator.nit b/examples/calculator/src/calculator.nit
index 6ed8be7..76c3a0a 100644
--- a/examples/calculator/src/calculator.nit
+++ b/examples/calculator/src/calculator.nit
@@ -29,9 +29,14 @@ import android::aware
 
 import calculator_logic
 
+# Show debug output?
+fun debug: Bool do return false
+
 redef class App
 	redef fun on_create
 	do
+		if debug then print "App::on_create"
+
 		# Create the main window
 		window = new CalculatorWindow
 		super
@@ -56,6 +61,8 @@ class CalculatorWindow
 
 	init
 	do
+		if debug then print "CalculatorWindow::init"
+
 		# All the button labels, row by row
 		var rows = [["7", "8", "9", "+"],
 		            ["4", "5", "6", "-"],
@@ -76,6 +83,8 @@ class CalculatorWindow
 
 	redef fun on_event(event)
 	do
+		if debug then print "CalculatorWindow::on_event {event}"
+
 		if event isa ButtonPressEvent then
 
 			var op = event.sender.text
@@ -96,12 +105,16 @@ class CalculatorWindow
 
 	redef fun on_save_state
 	do
+		if debug then print "CalculatorWindow::on_save_state"
+
 		app.data_store["context"] = context
 		super
 	end
 
 	redef fun on_restore_state
 	do
+		if debug then print "CalculatorWindow::on_restore_state"
+
 		super
 
 		var context = app.data_store["context"]