From 4c75b90a8b2a2f9911af39a3f20d67e98f5ab98c Mon Sep 17 00:00:00 2001
From: Gonzalo Odiard <godiard@gmail.com>
Date: Mon, 02 Jan 2012 00:17:43 +0000
Subject: Add capability of change the labels

---
diff --git a/activity.py b/activity.py
index 9a776eb..09a2345 100644
--- a/activity.py
+++ b/activity.py
@@ -22,6 +22,7 @@ from gettext import gettext as _
 from sugar.activity import activity
 from sugar.graphics.toolbarbox import ToolbarBox
 from sugar.activity.widgets import ActivityToolbarButton
+from sugar.graphics.radiotoolbutton import RadioToolButton
 from sugar.activity.widgets import StopButton
 
 from draw_piano import PianoKeyboard
@@ -46,6 +47,20 @@ class SimplePianoActivity(activity.Activity):
         activity_button = ActivityToolbarButton(self)
         toolbar_box.toolbar.insert(activity_button, 0)
 
+        toolbar_box.toolbar.insert(gtk.SeparatorToolItem(), -1)
+
+        keybord_labels = RadioToolButton()
+        keybord_labels.props.icon_name = 'q_key'
+        keybord_labels.props.group = keybord_labels
+        keybord_labels.connect('clicked', self.set_keyboard_labels_cb)
+        toolbar_box.toolbar.insert(keybord_labels, -1)
+
+        notes_labels = RadioToolButton()
+        notes_labels.props.icon_name = 'do_key'
+        notes_labels.props.group = keybord_labels
+        notes_labels.connect('clicked', self.set_notes_labels_cb)
+        toolbar_box.toolbar.insert(notes_labels, -1)
+
         separator = gtk.SeparatorToolItem()
         separator.props.draw = False
         separator.set_expand(True)
@@ -64,14 +79,22 @@ class SimplePianoActivity(activity.Activity):
 
         notes = ['DO', 'DO#', 'RE', 'RE#', 'MI', 'FA', 'FA#', 'SOL',
                         'SOL#', 'LA', 'LA#', 'SI']
-        labels_tamtam = [notes, notes, ['DO']]
+        self.notes_labels = [notes, notes, ['DO']]
 
-        piano = PianoKeyboard(octaves=2, add_c=True,
+        self.piano = PianoKeyboard(octaves=2, add_c=True,
                 labels=self.keyboard_letters)
-        piano.connect('key_pressed', self.__key_pressed_cb)
-        piano.connect('key_released', self.__key_released_cb)
-        piano.show()
-        self.set_canvas(piano)
+        self.piano.connect('key_pressed', self.__key_pressed_cb)
+        self.piano.connect('key_released', self.__key_released_cb)
+        self.piano.show()
+        self.set_canvas(self.piano)
+
+    def set_notes_labels_cb(self, widget):
+        self.piano.font_size = 14
+        self.piano.set_labels(self.notes_labels)
+
+    def set_keyboard_labels_cb(self, widget):
+        self.piano.font_size = 20
+        self.piano.set_labels(self.keyboard_letters)
 
     def __key_pressed_cb(self, widget, octave_clicked, key_clicked, letter):
         logging.debug('Pressed Octave: %d Key: %d Letter: %s' %
diff --git a/draw_piano.py b/draw_piano.py
index 6f045c8..48df9eb 100755
--- a/draw_piano.py
+++ b/draw_piano.py
@@ -45,6 +45,10 @@ class PianoKeyboard(gtk.DrawingArea):
                 gtk.gdk.BUTTON_RELEASE_MASK | gtk.gdk.POINTER_MOTION_MASK | \
                 gtk.gdk.POINTER_MOTION_HINT_MASK)
 
+    def set_labels(self, labels):
+        self._labels = labels
+        self.queue_draw()
+
     def calculate_sizes(self, width):
         self._width = width
         self._height = self._width / 2
diff --git a/icons/do_key.svg b/icons/do_key.svg
new file mode 100644
index 0000000..59eef91
--- /dev/null
+++ b/icons/do_key.svg
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="55"
+   height="55"
+   viewBox="0 0 55 55"
+   id="svg3062"
+   xml:space="preserve"><metadata
+   id="metadata3079"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+   id="defs3077" />
+  
+  
+  
+<text
+   x="7.9110003"
+   y="32.999866"
+   transform="scale(0.82460939,1.2126954)"
+   id="text3857"
+   xml:space="preserve"
+   style="font-size:30.8579998px;font-style:normal;font-weight:normal;line-height:125%;letter-spacing:0px;word-spacing:0px;fill:#ffffff;fill-opacity:1;stroke:none;font-family:Sans"><tspan
+     x="7.9110003"
+     y="32.999866"
+     id="tspan3859"
+     style="font-weight:bold;-inkscape-font-specification:Sans Bold">DO</tspan></text>
+</svg>
diff --git a/icons/q_key.svg b/icons/q_key.svg
new file mode 100644
index 0000000..632c380
--- /dev/null
+++ b/icons/q_key.svg
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="55"
+   height="55"
+   viewBox="0 0 55 55"
+   id="svg3062"
+   xml:space="preserve"><metadata
+   id="metadata3079"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+   id="defs3077" />
+  
+  
+  
+<rect
+   width="32.960995"
+   height="27.304964"
+   ry="4.4858155"
+   x="12.87234"
+   y="12.87234"
+   id="rect3024"
+   style="fill:none;stroke:#ffffff;stroke-width:3;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" /><text
+   x="18.138298"
+   y="30.03546"
+   id="text3794"
+   xml:space="preserve"
+   style="font-size:40px;font-style:normal;font-weight:normal;line-height:125%;letter-spacing:0px;word-spacing:0px;fill:#ffffff;fill-opacity:1;stroke:none;font-family:Sans"><tspan
+     x="18.138298"
+     y="30.03546"
+     id="tspan3796"
+     style="font-size:18px;font-weight:bold;-inkscape-font-specification:Sans Bold">Q</tspan></text>
+</svg>
--
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