[IronPython] IronPython Silverlight 4 debugging... [No errors just not working]

[Lukas Cenovsky]

  On 11.8.2010 19:11, Andrew Evans wrote:
> Ok well it doesn't look like my event handlers are even being called
>
> this is what I did
>
>     def KeyDown_Control(self, s, e):
>         if e.Key == Key.Right:
>             print "Right Arrow"
>             #self.canvas.SetLeft(self.ship, 
> self.canvas.GetLeft(self.ship) + velocity)
>         elif e.Key == Key.Left:
>             print "Left Arrow"
>             #self.canvas.SetLeft(self.ship, 
> self.canvas.GetLeft(self.ship) - velocity)
>         elif e.Key == Key.Up:
>             print "Up Arrow"
>             #self.canvas.SetTop(self.ship, 
> self.canvas.GetTop(self.ship) - velocity)
>         elif e.Key == Key.Down:
>             print "Down Arrow"
>             #self.canvas.SetTop(self.ship, 
> self.canvas.GetTop(self.ship) + velocity)
>
> So assuming that's the issue which is likely than it would be this line
>
> # This line should be something different Not sure what to use instead 
> of this
>         self.ship.KeyDown += KeyEventHandler(self.KeyDown_Control)

What about
self.ship.KeyDown += self.KeyDown_Control

--
-- Lukas


>
> Which I assumed all this time
>
> Any ideas what it should be?
>
> *cheers
>
> Andrew
>
> On Wed, Aug 11, 2010 at 9:37 AM, Michael Foord 
> <fuzzyman at voidspace.org.uk <mailto:fuzzyman at voidspace.org.uk>> wrote:
>
>     On 11/08/2010 17:34, Andrew Evans wrote:
>>     Hello I am running IronPython 2.7A and trying to debug a
>>     Silverlight app. I am trying to figure out why my ship doesn't
>>     move when I press the Arrow keys.
>>
>>     here is the complete source minus most imports :D
>     Put some debugging in (append text to an html div) to see if your
>     event handlers are being fired. That would my first step.
>
>     Michael
>
>>
>>     Any ideas
>>
>>     from System.Windows.Input import *
>>
>>
>>     velocity = 10
>>
>>     class Gui():
>>         def __init__(self):
>>
>>             self.grid = Grid()
>>             self.canvas = Canvas(Background =
>>     SolidColorBrush(Colors.White))
>>             self.canvas.Width = 640
>>             self.canvas.Height = 432
>>             self.bgImage = Image(
>>                 Source = BitmapImage(Uri("images/background.jpg",
>>     UriKind.Relative))
>>                 )
>>             self.canvas.SetTop(self.bgImage, 132)
>>             self.canvas.SetLeft(self.bgImage, 0)
>>     #        self.textblock = TextBlock()
>>     ##        self.textblock.FontSize = 24
>>     ##        self.textblock.Text = 'This Really Works!!'
>>     ##        self.canvas.Children.Add(self.textblock)
>>
>>             self.ship = Image(
>>                 Source = BitmapImage(Uri("images/ship.png",
>>     UriKind.Relative))
>>                 )
>>
>>             self.canvas.SetTop(self.ship, 75)
>>             self.canvas.SetLeft(self.ship, 25)
>>
>>             CompositionTarget.Rendering += EventHandler(self.ShootBG)
>>     ##        self.GenerateStarField(350)
>>
>>             self.canvas.Children.Add(self.bgImage)
>>
>>             self.canvas.Children.Add(self.ship)
>>             self.grid.Children.Add(self.canvas)
>>             Application.Current.RootVisual = self.grid
>>             # This line should be something different Not sure what
>>     to use instead of this
>>             self.ship.KeyDown += KeyEventHandler(self.KeyDown_Control)
>>
>>
>>         def ShootBG(self, s, e):
>>             self.canvas.SetLeft(self.bgImage,
>>     self.canvas.GetLeft(self.bgImage) - 1)
>>             if self.canvas.GetLeft(self.bgImage) < -2110:
>>                 self.canvas.SetLeft(self.bgImage, 0)
>>
>>         def KeyDown_Control(self, s, e):
>>             if e.Key == Key.Right:
>>                 self.canvas.SetLeft(self.ship,
>>     self.canvas.GetLeft(self.ship) + velocity)
>>             elif e.Key == Key.Left:
>>                 self.canvas.SetLeft(self.ship,
>>     self.canvas.GetLeft(self.ship) - velocity)
>>             elif e.Key == Key.Up:
>>                 self.canvas.SetTop(self.ship,
>>     self.canvas.GetTop(self.ship) - velocity)
>>             elif e.Key == Key.Down:
>>                 self.canvas.SetTop(self.ship,
>>     self.canvas.GetTop(self.ship) + velocity)
>>
>>     gui = Gui()
>>     gui
>>
>>
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>
>
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>     http://www.voidspace.org.uk/blog
>
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