[Gtk-sharp-list] segfault on void object
Martin Persenius
martin.persenius at gmail.com
Mon Mar 26 16:16:21 EDT 2007
Hi Fredrik,
> private void OnDeleteEvent(object sender, DeleteEventArgs args) {
> this.Hide();
> args.RetVal = true;
> }
You are entirely correct - that works! Thanks!
Martin
On 3/26/07, Fredrik Nilsson <jymdman at gmail.com> wrote:
> Hi
>
> I'm not sure if this will work, as I can't test this right now.
> But I think you need to change your code to the following:
>
> private void OnDeleteEvent(object sender, DeleteEventArgs args) {
> this.Hide();
> args.RetVal = true;
> }
>
> If you don't set RetVal to true, your window will be destroyed and you
> have to create a new instance.
>
> /Fredrik
>
>
>
> Martin Persenius wrote:
> > Hi! I thought this was really standard/simple functionality, so I have
> > no idea how to solve this. Relevant code (abbreviated) and error
> > message included below. Error happens every time.
> >
> > Thanks!
> >
> > Take care,
> > Martin
> >
> > 1.
> > namespace GSokoban {
> > 2.
> > public class MainWindow : Gnome.Window {
> > 3.
> > private SettingsWindow settings_window;
> > 4.
> >
> > 5.
> > public MainWindow() {
> > 6.
> > Glade. XML gxml = new
> > <http://www.google.com/search?q=new+msdn.microsoft.com>
> > Glade.XML( null , "gsokoban-2.glade", "main_window", null);
> > 7.
> > gxml. Autoconnect(this);
> > 8.
> >
> > 9.
> > settings_window = new
> > <http://www.google.com/search?q=new+msdn.microsoft.com>
> > SettingsWindow( );
> > 10.
> > }
> > 11.
> >
> > 12.
> > private void OnSettingsActivate(object sender,
> > EventArgs args) {
> > 13.
> > settings_window. Show();
> > 14.
> > }
> > 15.
> > }
> > 16.
> >
> > 17.
> > public class SettingsWindow : Gtk.Window {
> > 18.
> > private Gtk.Window settings_window;
> > 19.
> >
> > 20.
> > public SettingsWindow() : base(WindowType.
> > Toplevel) {
> > 21.
> > base.Name = "settings_window";
> > 22.
> > base.Title = "Settings";
> > 23.
> > [.......]
> > 24.
> > base.Add (settings_vbox1);
> > 25.
> > settings_vbox1.Show();
> > 26.
> > }
> > 27.
> >
> > 28.
> > private void OnDeleteEvent(object sender,
> > DeleteEventArgs args) {
> > 29.
> > this.Hide();
> > 30.
> > }
> > 31.
> > }
> > 32.
> > }
> > 33.
> >
> > 34.
> > ERROR:
> > 35.
> > DEBUG: OnSettingsActivate
> > 36.
> > OnDeleteEvent
> > 37.
> > DEBUG: OnSettingsActivate
> > 38.
> > Stacktrace:
> > 39.
> >
> > 40.
> > at (wrapper managed-to-native) Gtk.Widget.gtk_widget_show
> > (intptr) <0x00004>
> > 41.
> > at (wrapper managed-to-native ) Gtk.Widget.gtk_widget_show
> > (intptr ) <0xffffffff>
> > 42.
> > at Gtk.Widget.Show () <0x0001a>
> > 43.
> > at GSokoban.MainWindow.OnSettingsActivate (object,System
> > .EventArgs) [0x0000a] in /home/pmfp/Projects/gsokoban-2/gsokoban
> > -2/windows.cs:47
> > 44.
> > at (wrapper delegate-invoke) System
> > .MulticastDelegate.invoke_void_object_EventArgs
> > (object,System.EventArgs ) <0xffffffff>
> > 45.
> > at GLib.Signal.voidObjectCallback (intptr,intptr ) <0x00093>
> > 46.
> > at (wrapper native-to-managed) GLib.Signal. voidObjectCallback
> > (intptr,intptr) <0xffffffff>
> > 47.
> > at (wrapper managed-to-native ) Gtk.Application.gtk_main ()
> > <0x00004>
> > 48.
> > at ( wrapper managed-to-native) Gtk.Application.gtk_main ()
> > <0xffffffff>
> > 49.
> > at Gtk.Application.Run () <0x00007>
> > 50.
> > at GSokoban. GSokoban.Main (string[]) [0x0002c ] in
> > /home/pmfp/Projects/gsokoban-2/gsokoban-2/gsokoban-2.cs:54
> > 51.
> > at (wrapper runtime-invoke)
> > System.Object.runtime_invoke_void_string []
> > (object,intptr,intptr,intptr) <0xffffffff>
> > 52.
> >
> > 53.
> > Native stacktrace:
> > 54.
> >
> > 55.
> > mono [0x8179af1]
> > 56.
> > mono [0x815c62b]
> > 57.
> > [0xb7f49440 ]
> > 58.
> > [0xb5f9bb60]
> > 59.
> > [0xb5f9bb1b ]
> > 60.
> > [0xb61e06a8]
> > 61.
> > [0xb61d8047 ]
> > 62.
> > [0xb5f9e07c]
> > 63.
> > [0xb61e066b ]
> > 64.
> >
> > /usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOID+0x4b
> > ) [0xb69e9e1b]
> > 65.
> > /usr/lib/libgobject-2.0.so .0(g_closure_invoke+0x13b)
> > [0xb69dc98b]
> > 66.
> > /usr/lib/libgobject -2.0.so.0 [0xb69ed213]
> > 67.
> > /usr/lib/libgobject-2.0
> > .so.0(g_signal_emit_valist+0x899) [0xb69ee429]
> > 68.
> > /usr/lib/libgobject-2.0.so.0(g_signal_emit+0x29) [
> > 0xb69ee5d9]
> > 69.
> > /usr/lib/libgtk-x11-2.0.so.0(gtk_widget_activate+0x92 )
> > [0xb6e00042]
> > 70.
> > /usr/lib/libgtk-x11-2.0.so
> > .0(gtk_menu_shell_activate_item+0x122) [0xb6d1e262]
> > 71.
> > /usr/lib/libgtk-x11 -2.0.so.0 [0xb6d1f810]
> > 72.
> > /usr/lib/libgtk-x11 -2.0.so.0 [0xb6d13d3f]
> > 73.
> > /usr/lib/libgtk-x11-2.0
> > .so.0(_gtk_marshal_BOOLEAN__BOXED+0x60) [0xb6d12250]
> > 74.
> > /usr/lib/libgobject-2.0.so.0 [0xb69daf49]
> > 75.
> > /usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x13b)
> > [0xb69dc98b ]
> > 76.
> > /usr/lib/libgobject-2.0.so.0 [0xb69ed56f ]
> > 77.
> > /usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x678
> > ) [0xb69ee208]
> > 78.
> > /usr/lib/libgobject-2.0.so.0 (g_signal_emit+0x29)
> > [0xb69ee5d9]
> > 79.
> > /usr/lib/libgtk-x11 -2.0.so.0 [0xb6dfbf64]
> > 80.
> > /usr/lib/libgtk-x11-2.0 .so.0(gtk_propagate_event+0x193)
> > [0xb6d0bbd3]
> > 81.
> > /usr/lib/libgtk-x11-2.0.so.0(gtk_main_do_event+0x327)
> > [0xb6d0ce07]
> > 82.
> > /usr/lib/libgdk-x11-2.0.so.0 [ 0xb6b8feea]
> > 83.
> > /usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x181
> > ) [0xb7ec8731]
> > 84.
> > /usr/lib/libglib-2.0.so .0 [0xb7ecb7a6]
> > 85.
> > /usr/lib/libglib-2.0.so.0 (g_main_loop_run+0x1b7)
> > [0xb7ecbb67]
> > 86.
> > /usr/lib/libgtk-x11 -2.0.so.0(gtk_main+0xc1) [0xb6d0d281]
> > 87.
> > [0xb5f9d045]
> > 88.
> > [0xb5f9d008]
> > 89.
> > [0xb748c958]
> > 90.
> > [0xb748c7c3]
> > 91.
> > mono [0x815c4f6]
> > 92.
> > mono(mono_runtime_invoke+0x27) [0x80f892f]
> > 93.
> > mono(mono_runtime_exec_main+0x142) [ 0x80fd289]
> > 94.
> > mono(mono_runtime_run_main+0x276) [0x80fd52f ]
> > 95.
> > mono(mono_jit_exec+0xbd) [0x80588cd]
> > 96.
> > mono [0x80589aa]
> > 97.
> > mono(mono_main+0x165b) [0x805a194]
> > 98.
> > mono [0x8057ab6]
> > 99.
> > /lib/tls/i686/cmov/libc. so.6(__libc_start_main+0xc8)
> > [0xb7d3fea8]
> > 100.
> > mono [0x8057a11]
> > 101.
> >
> > 102.
> > Debug info from gdb:
> > 103.
> >
> > 104.
> > Using host libthread_db library
> > "/lib/tls/i686/cmov/libthread_db.so.1".
> > 105.
> > [Thread debugging using libthread_db enabled]
> > 106.
> > [ New <http://www.google.com/search?q=new+msdn.microsoft.com>
> > Thread -1210931520 (LWP 14212)]
> > 107.
> > [New <http://www.google.com/search?q=new+msdn.microsoft.com>
> > Thread -1219974224 (LWP 14217 )]
> > 108.
> > [New <http://www.google.com/search?q=new+msdn.microsoft.com>
> > Thread -1214268496 (LWP 14216)]
> > 109.
> > 0xb7f49410 in ?? ()
> > 110.
> > 3 Thread -1214268496 (LWP 14216) 0xb7f49410 in ?? ( )
> > 111.
> > 2 Thread -1219974224 (LWP 14217) 0xb7f49410 in ?? ()
> > 112.
> > 1 Thread -1210931520 ( LWP 14212) 0xb7f49410 in ?? ()
> > 113.
> >
> > 114.
> > Thread 3 (Thread -1214268496 (LWP 14216) ):
> > 115.
> > #0 0xb7f49410 in ?? ()
> > 116.
> > #1 0xb79fb458 in ?? ()
> > 117.
> > #2 0x0821d3a8 in ?? ()
> > 118.
> > #3 0x00000000 in ?? ()
> > 119.
> >
> > 120.
> > Thread 2 (Thread -1219974224 (LWP 14217)):
> > 121.
> > #0 0xb7f49410 in ?? ()
> > 122.
> > #1 0xb748a288 in ?? ()
> > 123.
> > #2 0x0000000b in ?? ()
> > 124.
> > #3 0x00000000 in ?? ()
> > 125.
> >
> > 126.
> > Thread 1 (Thread -1210931520 (LWP 14212)):
> > 127.
> > #0 0xb7f49410 in ?? ()
> > 128.
> > #1 0xbfe5898c in ?? ()
> > 129.
> > #2 0x00000000 in ?? ()
> > 130.
> > #0 0xb7f49410 in ?? ()
> > 131.
> >
> > 132.
> >
> > 133.
> > =================================================================
> > 134.
> > Got a SIGSEGV while executing native code. This usually indicates
> > 135.
> > a fatal error in the mono runtime or one of the native libraries
> > 136.
> > used by your application.
> > 137.
> > =================================================================
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > Gtk-sharp-list maillist - Gtk-sharp-list at lists.ximian.com
> > http://lists.ximian.com/mailman/listinfo/gtk-sharp-list
> >
>
>
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