+ // convert timeout from ms to struct timeval (s/us)
+ timeval tv_timeout;
+ tv_timeout.tv_sec = timeout/1000;
+ tv_timeout.tv_usec = (timeout%1000)*1000;
+
+ // remember the highest fd used here
+ int fdMax = -1;
+
+ // and fill the sets for select()
+ fd_set readfds;
+ fd_set writefds;
+ fd_set exceptfds;
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+ FD_ZERO(&exceptfds);
+
+ unsigned int i;
+ for ( i = 0; i < nfds; i++ )
+ {
+ wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") );
+
+ if ( ufds[i].events & G_IO_IN )
+ FD_SET(ufds[i].fd, &readfds);
+
+ if ( ufds[i].events & G_IO_PRI )
+ FD_SET(ufds[i].fd, &exceptfds);
+
+ if ( ufds[i].events & G_IO_OUT )
+ FD_SET(ufds[i].fd, &writefds);
+
+ if ( ufds[i].fd > fdMax )
+ fdMax = ufds[i].fd;
+ }
+
+ fdMax++;
+ int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout);
+
+ // translate the results back
+ for ( i = 0; i < nfds; i++ )
+ {
+ ufds[i].revents = 0;
+
+ if ( FD_ISSET(ufds[i].fd, &readfds ) )
+ ufds[i].revents |= G_IO_IN;
+
+ if ( FD_ISSET(ufds[i].fd, &exceptfds ) )
+ ufds[i].revents |= G_IO_PRI;
+
+ if ( FD_ISSET(ufds[i].fd, &writefds ) )
+ ufds[i].revents |= G_IO_OUT;
+ }
+
+ return res;
+}
+
+#endif // HAVE_POLL/!HAVE_POLL
+
+static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
+{
+ gdk_threads_enter();
+
+ wxMutexGuiLeave();
+ g_mainThreadLocked = TRUE;
+
+ // we rely on the fact that glib GPollFD struct is really just pollfd but
+ // I wonder how wise is this in the long term (VZ)
+ gint res = wxPoll( (wxPollFd *) ufds, nfds, timeout );
+
+ wxMutexGuiEnter();
+ g_mainThreadLocked = FALSE;
+
+ gdk_threads_leave();
+
+ return res;
+}
+
+#endif // wxUSE_THREADS
+
+} // extern "C"
+
+void wxapp_install_idle_handler()
+{
+ // GD: this assert is raised when using the thread sample (which works)
+ // so the test is probably not so easy. Can widget callbacks be
+ // triggered from child threads and, if so, for which widgets?
+ // wxASSERT_MSG( wxThread::IsMain() || gs_WakeUpIdle, wxT("attempt to install idle handler from widget callback in child thread (should be exclusively from wxWakeUpIdle)") );
+
+ wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
+
+ g_isIdle = FALSE;
+
+ if (g_pendingTag == 0)
+ g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
+
+ // This routine gets called by all event handlers
+ // indicating that the idle is over. It may also
+ // get called from other thread for sending events
+ // to the main thread (and processing these in
+ // idle time). Very low priority.
+ wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
+}
+
+//-----------------------------------------------------------------------------
+// Access to the root window global
+//-----------------------------------------------------------------------------
+
+GtkWidget* wxGetRootWindow()
+{
+ if (gs_RootWindow == NULL)
+ {
+ gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+ gtk_widget_realize( gs_RootWindow );
+ }
+ return gs_RootWindow;
projects / wxWidgets.git / blobdiff