From 5391b111e1d3bd4c7132be7a3f2b4f0c3630bb5d Mon Sep 17 00:00:00 2001
From: Adam Schreiber <sadam@gnome.org>
Date: Mon, 20 Apr 2009 20:48:34 +0000
Subject: Initial Commit

This is an inital commit after getting simple redrawing and updating of all widgets completed.
---
diff --git a/deka.py b/deka.py
new file mode 100644
index 0000000..2ade7f8
--- /dev/null
+++ b/deka.py
@@ -0,0 +1,304 @@
+#!/usr/bin/env python
+
+"""
+    Copyright 2009 Adam Schreiber <sadam@gnome.org>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
+import gtk
+import math
+
+class DrawShapesArea(gtk.DrawingArea):
+    def __init__(self):
+        gtk.DrawingArea.__init__(self)
+        self.connect_after("expose_event", self.expose)
+        self.ones = 0
+        self.tens = 0
+        self.hundreds = 0
+        self.thousands = 0
+        self.tenthousands = 0
+        self.hundredthousands = 0
+
+    def expose(self, widget, event):
+        #print widget.window
+        self.context = widget.window.cairo_create()
+        #print self.context
+        # set a clip region for the expose event
+        self.context.rectangle(event.area.x, event.area.y,
+                               event.area.width, event.area.height)
+        self.context.clip()
+
+        self.draw(self.context)
+        
+        return False
+        
+    def draw (self, context):
+        rect = self.get_allocation()
+        context.set_source_rgba(0.0, 0.0, 0.0, 1.0)
+        context.move_to (rect.x+rect.width/6, rect.y)
+        context.line_to (rect.x+rect.width/6, rect.y + rect.height)
+        
+        context.move_to (rect.x+2*rect.width/6, rect.y)
+        context.line_to (rect.x+2*rect.width/6, rect.y + rect.height)
+        
+        context.move_to (rect.x+3*rect.width/6, rect.y)
+        context.line_to (rect.x+3*rect.width/6, rect.y + rect.height)
+        
+        context.move_to (rect.x+4*rect.width/6, rect.y)
+        context.line_to (rect.x+4*rect.width/6, rect.y + rect.height)
+        
+        context.move_to (rect.x+5*rect.width/6, rect.y)
+        context.line_to (rect.x+5*rect.width/6, rect.y + rect.height)
+        
+        context.stroke()
+        
+        for m in range (0,5):
+            for n in range (0,2):
+                if (((5-m) + ((n+1)%2)*5) <= self.ones):
+                    opacity = 1
+                else:
+                    opacity = 0.25
+            
+                self.drawBar (context, rect.x + 5*rect.width/6 + n*rect.width/12,
+                              rect.y + m*rect.height/6, rect.width/12, rect.height/6, opacity)
+                
+        for m in range (0,5):
+            for n in range (0,2):
+                if (((5-m) + ((n+1)%2)*5) <= self.tens):
+                    opacity = 1
+                else:
+                    opacity = 0.25
+                    
+                self.drawCircle (context, rect.x + 4*rect.width/6 + n*rect.width/12,
+                                 rect.y + m*rect.height/6, rect.width/12, rect.height/6, opacity) 
+                                 
+        for m in range (0,5):
+            for n in range (0,2):
+                if (((5-m) + ((n+1)%2)*5) <= self.hundreds):
+                    opacity = 1
+                else:
+                    opacity = 0.25
+                    
+                self.drawTriangle (context, rect.x + 3*rect.width/6 + n*rect.width/12,
+                                   rect.y + m*rect.height/6, rect.width/12, rect.height/6, opacity)                         
+                                   
+        for m in range (0,5):
+            for n in range (0,2):
+                if (((5-m) + ((n+1)%2)*5) <= self.thousands):
+                    opacity = 1
+                else:
+                    opacity = 0.25
+                    
+                self.drawSquare (context, rect.x + 2*rect.width/6 + n*rect.width/12,
+                                 rect.y + m*rect.height/6, rect.width/12, rect.height/6, opacity)                         
+        
+        for m in range (0,5):
+            for n in range (0,2):
+                if (((5-m) + ((n+1)%2)*5) <= self.tenthousands):
+                    opacity = 1
+                else:
+                    opacity = 0.25
+                    
+                self.drawPentagon (context, rect.x + 1*rect.width/6 + n*rect.width/12,
+                                   rect.y + m*rect.height/6, rect.width/12, rect.height/6, opacity)                         
+        for m in range (0,5):
+            for n in range (0,2):
+                if (((5-m) + ((n+1)%2)*5) <= self.hundredthousands):
+                    opacity = 1
+                else:
+                    opacity = 0.25
+                    
+                self.drawHexagon (context, rect.x + 0*rect.width/6 + n*rect.width/12,
+                                  rect.y + m*rect.height/6, rect.width/12, rect.height/6, opacity)                           
+                                   
+    def set_count (self, count):
+        val = int(count)
+    
+        self.hundredthousands = int(math.floor(val/math.pow(10,5)))
+        self.tenthousands = int(math.floor(math.fmod(val,math.pow(10,5))/math.pow(10,4)))
+        self.thousands = int(math.floor(math.fmod(val,math.pow(10,4))/math.pow(10,3)))
+        self.hundreds = int(math.floor(math.fmod(val,math.pow(10,3))/math.pow(10,2)))
+        self.tens = int(math.floor(math.fmod(val,math.pow(10,2))/math.pow(10,1)))
+        self.ones = int(math.floor(math.fmod(val,math.pow(10,1))))
+        
+        self.queue_draw ()
+        
+    def get_count ():
+        return (self.hundredthousands * 10**5 + self.tenthousands * 10**4
+                + self.thousands * 10**3 + self.hundreds * 10**2
+                + self.tens * 10 + self.ones)
+        
+    def drawBar (self, context, x, y, width, height, opacity):
+        context.rectangle(gtk.gdk.Rectangle(x + width/3,
+                                            y+height/6,
+                                            width/3,
+                                            height*2/3))
+        context.set_source_rgba(0.933, 0.510, 0.933, opacity)
+        context.fill_preserve()
+        context.set_source_rgba(0.933, 0.510, 0.933, 1.0)
+        context.stroke()
+        
+    def drawCircle (self, context, x, y, width, height, opacity):
+        x = x + width / 2
+        y = y + height / 2
+        radius = min(width / 2, height / 2) - 5
+        
+        context.arc(x, y, radius, 0, 2 * math.pi)
+        context.set_source_rgba(0, 0, 1, opacity)
+        context.fill_preserve()
+        context.set_source_rgb(0, 0, 1)
+        context.stroke()
+        
+    def drawTriangle (self, context, x, y, width, height, opacity):
+        x = x + width / 2
+        y = y + height / 2
+        radius = min(width / 2, height / 2) - 5
+        
+        context.move_to (x, y - radius)
+        context.line_to (x+radius*math.cos(-30.0/180.0*math.pi), y - radius*math.sin(-30.0/180.0*math.pi))
+        context.line_to (x-radius*math.cos(-30.0/180.0*math.pi), y - radius*math.sin(-30.0/180.0*math.pi))
+        context.line_to (x, y - radius)
+        context.set_source_rgba(0.0, 1.0, 0.0, opacity)
+        context.fill_preserve()
+        context.set_source_rgba(0.0, 1.0, 0.0, 1.0)
+        context.stroke()
+        
+    def drawSquare (self, context, x, y, width, height, opacity):
+        x = x + width / 2
+        y = y + height / 2
+        radius = min(width / 2, height / 2) - 5
+        
+        context.rectangle (gtk.gdk.Rectangle (int(x-.5*radius*math.sqrt(2.0)),
+                                              int(y-.5*radius*math.sqrt(2.0)),
+                                              int(radius*math.sqrt(2.0)),
+                                              int(radius*math.sqrt(2.0))))
+                                              
+        context.set_source_rgba(1.0, 1.0, 0.0, opacity)
+        context.fill_preserve()
+        context.set_source_rgba(1.0, 1.0, 0.0, 1.0)
+        context.stroke()
+        
+    def drawPentagon (self, context, x, y, width, height, opacity):
+        x = x + width / 2
+        y = y + height / 2
+        radius = min(width / 2, height / 2) - 5
+        
+        context.move_to (x, y - radius)
+        context.line_to (x+radius*math.cos(13.0/180.0*math.pi), y - radius*math.sin(13.0/180.0*math.pi))
+        context.line_to (x+radius*math.cos(54.0/180.0*math.pi), y + radius*math.sin(54.0/180.0*math.pi))
+        context.line_to (x-radius*math.cos(54.0/180.0*math.pi), y + radius*math.sin(54.0/180.0*math.pi))
+        context.line_to (x-radius*math.cos(13.0/180.0*math.pi), y - radius*math.sin(13.0/180.0*math.pi))
+        context.line_to (x, y - radius)
+        context.set_source_rgba(1.0, 0.647, 0.0, opacity)
+        context.fill_preserve()
+        context.set_source_rgba(1.0, 0.647, 0.0, 1.0)
+        context.stroke()
+        
+    def drawHexagon (self, context, x, y, width, height, opacity):
+        x = x + width / 2
+        y = y + height / 2
+        radius = min(width / 2, height / 2) - 5
+        
+        context.move_to (x+radius*math.cos(60.0/180.0*math.pi), y - radius*math.sin(60.0/180.0*math.pi))
+        context.line_to (x+radius, y)
+        context.line_to (x+radius*math.cos(60.0/180.0*math.pi), y + radius*math.sin(60.0/180.0*math.pi))
+        context.line_to (x-radius*math.cos(60.0/180.0*math.pi), y + radius*math.sin(60.0/180.0*math.pi))
+        context.line_to (x-radius, y)
+        context.line_to (x - radius*math.cos(60.0/180.0*math.pi), y - radius*math.sin(60.0/180.0*math.pi))
+        context.line_to (x+radius*math.cos(60.0/180.0*math.pi), y - radius*math.sin(60.0/180.0*math.pi))
+        context.set_source_rgba(1.0, 0.0, 0.0, opacity)
+        context.fill_preserve()
+        context.set_source_rgba(1.0, 0.0, 0.0, 1.0)
+        context.stroke()
+def main():
+    window = gtk.Window(gtk.WINDOW_TOPLEVEL)
+    window.connect("delete_event", delete_event)
+    window.connect("destroy", gtk.main_quit)
+    window.set_border_width(10)
+    window.set_default_size(640, 480)
+    window.set_title("Deka")
+
+    vbox = gtk.VBox (False, 10)
+    window.add(vbox)
+    
+    # Scrollbar Value Label
+    hbox = gtk.HBox()
+    spinbut = gtk.SpinButton()
+    spinbut.set_range(0,999999)
+    spinbut.set_increments(1,100)
+    spinbut.set_numeric(True)
+    hbox.pack_start(spinbut, True, False)
+    vbox.pack_start(hbox, False)
+    
+    # Scrollbar
+    hscrollbar = gtk.HScrollbar()
+    hscrollbar.set_range(0,999999)
+    hscrollbar.set_increments(1,100)
+    vbox.pack_start(hscrollbar, False)
+    
+    # Equivalent Label
+    equivlab = gtk.Label("0 * 100000 + 0 * 10000 + 0 * 1000 + 0 * 100 + 0 * 10 + 0 * 1 = 0")
+    vbox.pack_start(equivlab, False)
+    
+    # Power of 10 Equivalent Label
+    powequivlab = gtk.Label("0 * 10<sup>5</sup> + 0 * 10<sup>4</sup> + 0 * 10<sup>3</sup> + 0 * 10<sup>2</sup> + 0 * 10<sup>1</sup> + 0 * 10<sup>0</sup> = 0")
+    powequivlab.set_use_markup(True)
+    vbox.pack_start(powequivlab, False) 
+
+    # Start Figure Box
+    drawshapesarea = DrawShapesArea()
+    vbox.add(drawshapesarea)
+    
+    spinbut.connect("value-changed", scrollbar_changed, [spinbut, hscrollbar, equivlab, powequivlab, drawshapesarea]) 
+    hscrollbar.connect("value-changed", scrollbar_changed, [spinbut, hscrollbar, equivlab, powequivlab, drawshapesarea])
+
+    window.show_all()
+    gtk.main()
+
+def scrollbar_changed(range, data=None):
+    spinbut = data[0]
+    hscrollbar = data[1]
+    equivlab = data[2]
+    powequivlab = data[3]
+    drawshapesarea = data[4]
+
+    val = round(range.get_value())
+    if abs(val) < abs(1e-2):
+        val = 0
+    
+    val = int(val)
+    
+    val5 = int(math.floor(val/math.pow(10,5)))
+    val4 = int(math.floor(math.fmod(val,math.pow(10,5))/math.pow(10,4)))
+    val3 = int(math.floor(math.fmod(val,math.pow(10,4))/math.pow(10,3)))
+    val2 = int(math.floor(math.fmod(val,math.pow(10,3))/math.pow(10,2)))
+    val1 = int(math.floor(math.fmod(val,math.pow(10,2))/math.pow(10,1)))
+    val0 = int(math.floor(math.fmod(val,math.pow(10,1))))
+    
+    spinbut.set_value(int(val))
+    hscrollbar.set_value(int(val))
+    
+    equivlab.set_text("{0} * 100000 + {1} * 10000 + {2} * 1000 + {3} * 100 + {4} * 10 + {5} * 1 = {6}".format(val5, val4, val3, val2, val1, val0, val))
+    
+    powequivlab.set_markup("{0} * 10<sup>5</sup> + {1} * 10<sup>4</sup> + {2} * 10<sup>3</sup> + {3} * 10<sup>2</sup> + {4} * 10<sup>1</sup> + {5} * 10<sup>0</sup> = {6}".format(val5, val4, val3, val2, val1, val0, val))
+
+    drawshapesarea.set_count (val)
+
+def delete_event(widget, event, data=None):
+    return False
+        
+if __name__ == "__main__":
+    main()
+
--
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