public MainWindow()
{
InitializeComponent();
this.WindowState = WindowState.Maximized;
this.Title = "Logo";
this.Loaded += (o, e) =>
{
this.Top = 0;
this.Left = 0;
this.Width = 800;
this.Height = 800;
try
{
//there are a lot of quotes in XAML
//and the C# string requires quotes to be doubled
var strxaml = @" <Grid
xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
Name=""HwndTest"" Margin=""5,5,5,5"">
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
<RowDefinition Height=""25""></RowDefinition>
</Grid.RowDefinitions>
<DockPanel Grid.Row=""0"">
<UserControl Name=""MyUserControl""></UserControl>
</DockPanel>
<DockPanel Grid.Row=""1"">
<TextBox
Name=""tbxStatus""
HorizontalAlignment=""Left""
Height=""23""
Margin=""10,2,0,0""
IsReadOnly=""True""
TextWrapping=""Wrap""
VerticalAlignment=""Top""
Width=""120""/>
<TextBox
Name=""tbxCmdList""
HorizontalAlignment=""Left""
Height=""23""
Margin=""10,2,0,0""
TextWrapping=""Wrap""
VerticalAlignment=""Top""
Width=""320""/>
<Slider
Name=""sldPenWidth""
HorizontalAlignment=""Left""
Margin=""12,2,0,0""
VerticalAlignment=""Top""
Width=""100""
ToolTip=""Change the pen width""
/>
<Slider
Name=""sldDelay""
HorizontalAlignment=""Left""
Margin=""12,2,0,0""
VerticalAlignment=""Top""
ToolTip=""Change the delay""
Width=""100""/>
<Button
Name=""btnQuit""
Content=""_Quit""
HorizontalAlignment=""Left""
Margin=""10,2,0,0""
VerticalAlignment=""Top""
Width=""55""/>
</DockPanel>
</Grid>
";
var strReader = new System.IO.StringReader(strxaml);
var xamlreader = XmlReader.Create(strReader);
var grid = (Grid)(System.Windows.Markup.XamlReader.Load(xamlreader));
var btnQuit = (Button)grid.FindName("btnQuit");
btnQuit.Click += (ob, eb) =>
{
App.Current.Shutdown();
};
_tbxCmdList = (TextBox)grid.FindName("tbxCmdList");
_tbxStatus = (TextBox)grid.FindName("tbxStatus");
var userCtrl = (UserControl)grid.FindName("MyUserControl");
var bgd = NativeMethods.CreateSolidBrush(new IntPtr(0xffffff));
_logoControl = new LogoControl(bgd, this);
userCtrl.Content = _logoControl;
userCtrl.Focusable = true;
userCtrl.IsTabStop = true;
this.Content = grid;
var sldPenWidth = (Slider)grid.FindName("sldPenWidth");
sldPenWidth.Minimum = 0;
sldPenWidth.Maximum = 400;
sldPenWidth.ValueChanged += (os, es) =>
{
_logoControl._Turtle.SetPenWidth((int)sldPenWidth.Value);
};
var sldDelay = (Slider)grid.FindName("sldDelay");
sldDelay.Minimum = 0;
sldDelay.Maximum = 100000;
sldDelay.ValueChanged += (os, es) =>
{
_logoControl._Delay = (int)sldDelay.Value;
};
this.TextInput += (ot, et) =>
{
_logoControl.GotTextInput(et);
};
userCtrl.KeyUp += (ok, ek) =>
{
_logoControl.OnKey(ek);
};
this.SizeChanged += (os, es) =>
{
_logoControl.OnSizeChanged();
};
btnQuit.ToolTip = @"Logo Program by Calvin Hsia
Logo Drawing Program by Calvin Hsia
based on Seymour Papert's Logo
f = Move Forward the Stepsize (*)
r = turn Right
l = turn Left
p = Pen Up (off the paper) or down
h = Hide turtle
e = Erase and start over (prerecorded programs survive)
+ = Increase the turtle's step size for Forward
- = Decrease the step size
a = Increase the angle for left/right
. = Repeat current command indefinitely
q = Quit out of program
c = Change Color (*) InputValue
d = Delay (*)
n = Number for User Parameter. Used for 'x'
s = Store (*) cmd. Inputvalue indicates which storage cell (1-9)
x = Execute stored program (*) User parameter times
[0-9] = input integer into Input value (defaults to 1)
[any char] while executing will stop turtle
* = command will use the Input value for parameter
";
}
catch (Exception ex)
{
this.Content = ex.ToString();
}
};
}
public Turtle(LogoControl logoControl)
{
_logoControl = logoControl;
_colorTurtle = NativeMethods.CreatePen(0, 0, (IntPtr)0x8f00);
InitVals();
}
