+ return new wxEventLoop();
+}
+
+
+#if wxUSE_INTL
+void wxGUIAppTraits::SetLocale()
+{
+ gtk_set_locale();
+ wxUpdateLocaleIsUtf8();
+}
+#endif
+
+#if wxDEBUG_LEVEL && wxUSE_STACKWALKER
+
+// private helper class
+class StackDump : public wxStackWalker
+{
+public:
+ StackDump(GtkAssertDialog *dlg) { m_dlg=dlg; }
+
+protected:
+ virtual void OnStackFrame(const wxStackFrame& frame)
+ {
+ wxString fncname = frame.GetName();
+ wxString fncargs = fncname;
+
+ size_t n = fncname.find(wxT('('));
+ if (n != wxString::npos)
+ {
+ // remove arguments from function name
+ fncname.erase(n);
+
+ // remove function name and brackets from arguments
+ fncargs = fncargs.substr(n+1, fncargs.length()-n-2);
+ }
+ else
+ fncargs = wxEmptyString;
+
+ // append this stack frame's info in the dialog
+ if (!frame.GetFileName().empty() || !fncname.empty())
+ gtk_assert_dialog_append_stack_frame(m_dlg,
+ fncname.mb_str(),
+ fncargs.mb_str(),
+ frame.GetFileName().mb_str(),
+ frame.GetLine());
+ }
+
+private:
+ GtkAssertDialog *m_dlg;
+};
+
+static void get_stackframe_callback(void* p)
+{
+ StackDump* dump = static_cast<StackDump*>(p);
+ // skip over frames up to including wxOnAssert()
+ dump->ProcessFrames(3);
+}
+
+#endif // wxDEBUG_LEVEL && wxUSE_STACKWALKER
+
+bool wxGUIAppTraits::ShowAssertDialog(const wxString& msg)
+{
+#if wxDEBUG_LEVEL
+ // we can't show the dialog from another thread
+ if ( wxIsMainThread() )
+ {
+ // under GTK2 we prefer to use a dialog widget written using directly
+ // in GTK+ as use a dialog written using wxWidgets would need the
+ // wxWidgets idle processing to work correctly which might not be the
+ // case when assert happens
+ GtkWidget *dialog = gtk_assert_dialog_new();
+ gtk_assert_dialog_set_message(GTK_ASSERT_DIALOG(dialog), msg.mb_str());
+
+#if wxUSE_STACKWALKER
+ // save the current stack ow...
+ StackDump dump(GTK_ASSERT_DIALOG(dialog));
+ dump.SaveStack(100); // showing more than 100 frames is not very useful
+
+ // ...but process it only if the user needs it
+ gtk_assert_dialog_set_backtrace_callback
+ (
+ GTK_ASSERT_DIALOG(dialog),
+ get_stackframe_callback,
+ &dump
+ );
+#endif // wxUSE_STACKWALKER
+
+ gint result = gtk_dialog_run(GTK_DIALOG (dialog));
+ bool returnCode = false;
+ switch (result)
+ {
+ case GTK_ASSERT_DIALOG_STOP:
+ wxTrap();
+ break;
+ case GTK_ASSERT_DIALOG_CONTINUE:
+ // nothing to do
+ break;
+ case GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING:
+ // no more asserts
+ returnCode = true;
+ break;
+
+ default:
+ wxFAIL_MSG( wxT("unexpected return code from GtkAssertDialog") );
+ }
+
+ gtk_widget_destroy(dialog);
+ return returnCode;
+ }
+#endif // wxDEBUG_LEVEL
+
+ return wxAppTraitsBase::ShowAssertDialog(msg);
+}
+
+wxString wxGUIAppTraits::GetDesktopEnvironment() const
+{
+ wxString de = wxSystemOptions::GetOption(wxT("gtk.desktop"));
+#if wxUSE_DETECT_SM
+ if ( de.empty() )
+ {
+ static const wxString s_SM = GetSM();
+
+ if (s_SM == wxT("GnomeSM"))
+ de = wxT("GNOME");
+ else if (s_SM == wxT("KDE"))
+ de = wxT("KDE");
+ }
+#endif // wxUSE_DETECT_SM
+
+ return de;
+}
+
+#ifdef __WXGTK26__
+
+// see the hack below in wxCmdLineParser::GetUsageString().
+// TODO: replace this hack with a g_option_group_get_entries()
+// call as soon as such function exists;
+// see http://bugzilla.gnome.org/show_bug.cgi?id=431021 for the relative
+// feature request
+struct _GOptionGroup
+{
+ gchar *name;
+ gchar *description;
+ gchar *help_description;
+
+ GDestroyNotify destroy_notify;
+ gpointer user_data;
+
+ GTranslateFunc translate_func;
+ GDestroyNotify translate_notify;
+ gpointer translate_data;
+
+ GOptionEntry *entries;
+ gint n_entries;
+
+ GOptionParseFunc pre_parse_func;
+ GOptionParseFunc post_parse_func;
+ GOptionErrorFunc error_func;
+};
+
+wxString wxGetNameFromGtkOptionEntry(const GOptionEntry *opt)
+{
+ wxString ret;
+
+ if (opt->short_name)
+ ret << wxT("-") << opt->short_name;
+ if (opt->long_name)
+ {
+ if (!ret.empty())
+ ret << wxT(", ");
+ ret << wxT("--") << opt->long_name;
+
+ if (opt->arg_description)
+ ret << wxT("=") << opt->arg_description;
+ }
+
+ return wxT(" ") + ret;
+}
+
+#endif // __WXGTK26__
+
+wxString
+wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
+ wxArrayString& desc) const
+{
+ wxString usage;
+
+#ifdef __WXGTK26__
+ if (!gtk_check_version(2,6,0))
+ {
+ // since GTK>=2.6, we can use the glib_check_version() symbol...
+
+ // check whether GLib version is greater than 2.6 but also lower than 2.19
+ // because, as we use the undocumented _GOptionGroup struct, we don't want
+ // to run this code with future versions which might change it (2.19 is the
+ // latest one at the time of this writing)
+ if (!glib_check_version(2,6,0) && glib_check_version(2,20,0))
+ {
+ usage << _("The following standard GTK+ options are also supported:\n");
+
+ // passing true here means that the function can open the default
+ // display while parsing (not really used here anyhow)
+ GOptionGroup *gtkOpts = gtk_get_option_group(true);
+
+ // WARNING: here we access the internals of GOptionGroup:
+ GOptionEntry *entries = ((_GOptionGroup*)gtkOpts)->entries;
+ unsigned int n_entries = ((_GOptionGroup*)gtkOpts)->n_entries;
+ wxArrayString namesOptions, descOptions;
+
+ for ( size_t n = 0; n < n_entries; n++ )
+ {
+ if ( entries[n].flags & G_OPTION_FLAG_HIDDEN )
+ continue; // skip
+
+ names.push_back(wxGetNameFromGtkOptionEntry(&entries[n]));
+
+ const gchar * const entryDesc = entries[n].description;
+ desc.push_back(wxString(entryDesc));
+ }
+
+ g_option_group_free (gtkOpts);
+ }
+ }
+#else
+ wxUnusedVar(names);
+ wxUnusedVar(desc);
+#endif // __WXGTK26__
projects / wxWidgets.git / blobdiff