Thanks Rafael, I think I know the real fix, will work on it this
afternoon.
Cheers,
Jackson
On Wed, 2006-06-28 at 12:03 -0300, Rafael Teixeira wrote:
> **Description of Problem:
>
> When starting a WinForms application on a station with the ABNT2
> (Brazilian 105-Key Keyboard) layout, we have a "Array index is out of
> range." exception in <0x0043e>
> System.Windows.Forms.X11Keyboard:CreateConversionArray that kills the
> app.
>
> **Steps to reproduce the problem:
> 1. Just run a SWF app, with that keyboard layout set on X11.
>
> **Actual Results:
>
> Unhandled Exception: System.TypeInitializationException: An exception
> was thrown by the type initializer for System.Windows.Forms.XplatUI --->
> System.IndexOutOfRangeException: Array index is out of range.
> in <0x0043e> System.Windows.Forms.X11Keyboard:CreateConversionArray
> (System.Windows.Forms.KeyboardLayouts layouts,
> System.Windows.Forms.KeyboardLayout layout)
> in <0x000d8> System.Windows.Forms.X11Keyboard:.ctor (IntPtr display,
> IntPtr window)
> in <0x003e9> System.Windows.Forms.XplatUIX11:SetDisplay (IntPtr
> display_handle)
> in <0x0008b> System.Windows.Forms.XplatUIX11:.ctor ()
> in <0x00040> System.Windows.Forms.XplatUIX11:GetInstance ()
> in <0x00061> System.Windows.Forms.XplatUI:.cctor ()--- End of inner
> exception stack trace ---
>
> in <0x00000> <unknown method>
> in <0x00064> System.Windows.Forms.Form:get_CreateParams ()
> in <0x00273> System.Windows.Forms.Control:.ctor ()
> in <0x00011> System.Windows.Forms.ScrollableControl:.ctor ()
> in <0x00010> System.Windows.Forms.ContainerControl:.ctor ()
> in <0x00019> System.Windows.Forms.Form:.ctor ()
> in <0x00017> TestGUIWordCount.Form1:.ctor ()
> in (wrapper remoting-invoke-with-check) TestGUIWordCount.Form1:.ctor ()
> in <0x00018> TestGUIWordCount.Form1:Main ()
>
> **Expected Results:
> Just showing the app form.
>
> **How often does this happen?
>
> Always for that keyboard layout.
>
> **Additional Information:
>
> This patch, deals with the exception so the app runs, and shows some
> debugging information that may lead to the correct fix:
>
> Index: System.Windows.Forms/X11Keyboard.cs
> ===================================================================
> --- System.Windows.Forms/X11Keyboard.cs (revision 61762)
> +++ System.Windows.Forms/X11Keyboard.cs (working copy)
> @@ -497,14 +498,25 @@
> }
> }
> if (maxval >= 0) {
> - scan =
> layouts.scan_table [(int) layout.ScanIndex][maxval];
> - vkey =
> layouts.vkey_table [(int) layout.VKeyIndex][maxval];
> + try {
> + scan =
> layouts.scan_table [(int) layout.ScanIndex][maxval];
> + vkey =
> layouts.vkey_table [(int) layout.VKeyIndex][maxval];
> + } catch (Exception e) {
> +
> Console.WriteLine("Ignoring invalid indexes '{0}' '{1}'
> '{2}'", (int) layout.ScanIndex, (int) layout.VKeyIndex, maxval);
> +
> + scan = 0;
> + vkey = 0;
> + }
> }
>
> }
> }
> - keyc2vkey [e2.KeyEvent.keycode] = vkey;
> - keyc2scan [e2.KeyEvent.keycode] = scan;
> + if (e2.KeyEvent.keycode < 0 ||
> e2.KeyEvent.keycode > 255)
> + Console.WriteLine("Ignoring invalid
> keycode found '{0}'",
> e2.KeyEvent.keycode);
> + else {
> + keyc2vkey [e2.KeyEvent.keycode] = vkey;
> + keyc2scan [e2.KeyEvent.keycode] = scan;
> + }
> }
>
>
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