start of tests refactoring; sqlite3 new wrapper fixes

tests/accept/compile/tgtk.nim

@@ -0,0 +1,61 @@
+
+import
+  gtk2, glib2, atk, gdk2, gdk2pixbuf, libglade2, pango,
+  pangoutils
+
+proc hello(widget: PGtkWidget, data: pointer) {.cdecl.} =
+  write(stdout, "Hello World\n")
+
+proc delete_event(widget: PGtkWidget, event: PGdkEvent,
+                  data: pointer): bool {.cdecl.} =
+  # If you return FALSE in the "delete_event" signal handler,
+  # GTK will emit the "destroy" signal. Returning TRUE means
+  # you don't want the window to be destroyed.
+  # This is useful for popping up 'are you sure you want to quit?'
+  # type dialogs.
+  write(stdout, "delete event occurred\n")
+  # Change TRUE to FALSE and the main window will be destroyed with
+  # a "delete_event".
+  return false
+
+# Another callback
+proc destroy(widget: PGtkWidget, data: pointer) {.cdecl.} =
+  gtk_main_quit()
+
+proc main() =
+  # GtkWidget is the storage type for widgets
+  var
+    window: PGtkWindow 
+    button: PGtkButton
+
+  gtk_nimrod_init()
+  window = GTK_WINDOW(gtk_window_new(GTK_WINDOW_TOPLEVEL))
+  discard g_signal_connect(window, "delete_event", 
+                           Gcallback(delete_event), nil)
+  discard g_signal_connect(window, "destroy", Gcallback(destroy), nil)
+  # Sets the border width of the window.
+  gtk_container_set_border_width(window, 10)
+
+  # Creates a new button with the label "Hello World".
+  button = GTK_BUTTON(gtk_button_new_with_label("Hello World"))
+
+  discard g_signal_connect(button, "clicked", Gcallback(hello), nil)
+
+  # This will cause the window to be destroyed by calling
+  # gtk_widget_destroy(window) when "clicked".  Again, the destroy
+  # signal could come from here, or the window manager.
+  discard g_signal_connect_swapped(button, "clicked", 
+    Gcallback(gtk_widget_destroy), window)
+
+  # This packs the button into the window (a gtk container).
+  gtk_container_add(window, button)
+
+  # The final step is to display this newly created widget.
+  gtk_widget_show(button)
+
+  # and the window
+  gtk_widget_show(window)
+
+  gtk_main()
+
+main()