extern "C" {
static
void GTK_EndProcessDetector(gpointer data, gint source,
- GdkInputCondition WXUNUSED(condition) )
+ GdkInputCondition WXUNUSED(condition))
{
- wxEndProcessData *proc_data = (wxEndProcessData *)data;
+ wxEndProcessData * const
+ proc_data = static_cast<wxEndProcessData *>(data);
- // has the process really terminated? unfortunately GDK (or GLib) seem to
- // generate G_IO_HUP notification even when it simply tries to read from a
- // closed fd and hasn't terminated at all
- int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
- int status = 0;
- int rc = waitpid(pid, &status, WNOHANG);
+ // child exited, end waiting
+ close(source);
- if ( rc == 0 )
- {
- // This can only happen if the child application closes our dummy
- // pipe that is used to monitor its lifetime; in that case, our
- // best bet is to pretend the process did terminate, because
- // otherwise wxExecute() would hang indefinitely
- // (OnExceptionWaiting() won't be called again, the descriptor
- // is closed now).
- wxLogDebug("Child process (PID %i) still alive, even though notification was received that it terminated.", pid);
- }
- else if ( rc == -1 )
- {
- // As above, if waitpid() fails, the best we can do is to log the
- // error and pretend the child terminated:
- wxLogSysError(_("Failed to check child process' status"));
- }
-
- // set exit code to -1 if something bad happened
- proc_data->exitcode = (rc > 0 && WIFEXITED(status))
- ? WEXITSTATUS(status)
- : -1;
-
- // child exited, end waiting
- close(source);
+ // don't call us again!
+ gdk_input_remove(proc_data->tag);
- // don't call us again!
- gdk_input_remove(proc_data->tag);
-
- wxHandleProcessTermination(proc_data);
+ wxHandleProcessTermination(proc_data);
}
}
-int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
+int wxGUIAppTraits::AddProcessCallback(wxEndProcessData *proc_data, int fd)
{
int tag = gdk_input_add(fd,
GDK_INPUT_READ,
if ( !smc_conn )
{
- wxLogWarning(_("Failed to connect to session manager: %s"), smerr);
+ wxLogDebug("Failed to connect to session manager: %s", smerr);
return wxEmptyString;
}
// 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
+// 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;
wxString usage;
#ifdef __WXGTK26__
- // check whether GTK version is greater than 2.6 but also lower than 2.12
- // because, as we use the undocumented _GOptionGroup struct, we don't want
- // to run this code with future versions which might change it (2.11 is the
- // latest one at the time of this writing)
- if (!gtk_check_version(2,6,0) &&
- gtk_check_version(2,12,0))
+ if (!gtk_check_version(2,6,0))
{
- usage << _("The following standard GTK+ options are also supported:\n");
+ // since GTK>=2.6, we can use the glib_check_version() symbol...
- // 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);
+ // 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(2,19,0))
+ {
+ usage << _("The following standard GTK+ options are also supported:\n");
- // WARNING: here we access the internals of GOptionGroup:
- GOptionEntry *entries = ((_GOptionGroup*)gtkOpts)->entries;
- unsigned int n_entries = ((_GOptionGroup*)gtkOpts)->n_entries;
- wxArrayString namesOptions, descOptions;
+ // 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);
- for ( size_t n = 0; n < n_entries; n++ )
- {
- if ( entries[n].flags & G_OPTION_FLAG_HIDDEN )
- continue; // skip
+ // WARNING: here we access the internals of GOptionGroup:
+ GOptionEntry *entries = ((_GOptionGroup*)gtkOpts)->entries;
+ unsigned int n_entries = ((_GOptionGroup*)gtkOpts)->n_entries;
+ wxArrayString namesOptions, descOptions;
- names.push_back(wxGetNameFromGtkOptionEntry(&entries[n]));
+ for ( size_t n = 0; n < n_entries; n++ )
+ {
+ if ( entries[n].flags & G_OPTION_FLAG_HIDDEN )
+ continue; // skip
- const gchar * const entryDesc = entries[n].description;
- desc.push_back(wxString(entryDesc));
- }
+ names.push_back(wxGetNameFromGtkOptionEntry(&entries[n]));
+
+ const gchar * const entryDesc = entries[n].description;
+ desc.push_back(wxString(entryDesc));
+ }
- g_option_group_free (gtkOpts);
+ g_option_group_free (gtkOpts);
+ }
}
#else
wxUnusedVar(names);