// Start plot
static void popup_plot_shell(PlotWindowInfo *plot)
{
if (!plot->active && plot->plotter != 0)
{
// We have the plot
plot->plotter->removeHandler(Died, PlotterNotFoundHP,
(void *)plot);
// Fetch plot settings
configure_plot(plot);
// Command and export dialogs are not needed (yet)
if (plot->command_dialog != 0)
XtUnmanageChild(plot->command_dialog);
if (plot->export_dialog != 0)
XtUnmanageChild(plot->export_dialog);
// Pop down working dialog
if (plot->working_dialog != 0)
XtUnmanageChild(plot->working_dialog);
// Pop up shell
XtSetSensitive(plot->shell, True);
XtPopup(plot->shell, XtGrabNone);
wait_until_mapped(plot->shell);
plot->active = true;
}
}
void raise_shell(Widget w)
{
if (w == 0 || !XtIsRealized(w))
return;
// Place current shell on top
Widget shell = findShellParent(w);
if (shell != 0 && XtIsRealized(shell))
{
XRaiseWindow(XtDisplay(w), XtWindow(shell));
#if 0
wait_until_mapped(w);
// Get focus
XSetInputFocus(XtDisplay(w), XtWindow(w), RevertToParent,
XtLastTimestampProcessed(XtDisplay(w)));
#endif
// Try this one
XmProcessTraversal(w, XmTRAVERSE_CURRENT);
}
}
// Create a separate tty window; return its name in TTYNAME, its
// process id in PID, its terminal type in TERM, and its window id in
// WINDOWID.
static void launch_separate_tty(string& ttyname, pid_t& pid, string& term,
Window& windowid, Widget origin)
{
// If we're already running, all is done.
if (pid > 0 && (remote_gdb() || kill(pid, 0) == 0))
return;
string term_command = app_data.term_command;
term_command.gsub("@FONT@", make_font(app_data, FixedWidthDDDFont));
static bool canceled;
canceled = false;
static Widget dialog = 0;
if (dialog == 0)
{
Arg args[10];
Cardinal arg = 0;
XtSetArg(args[arg], XmNdialogStyle,
XmDIALOG_FULL_APPLICATION_MODAL); arg++;
dialog = verify(XmCreateWorkingDialog(find_shell(origin),
XMST("launch_tty_dialog"),
args, arg));
XtUnmanageChild(XmMessageBoxGetChild(dialog,
XmDIALOG_OK_BUTTON));
XtUnmanageChild(XmMessageBoxGetChild(dialog,
XmDIALOG_HELP_BUTTON));
XtAddCallback(dialog, XmNcancelCallback, CancelTTYCB,
XtPointer(&canceled));
}
string base = term_command;
if (base.contains(' '))
base = base.before(' ');
MString msg = rm("Starting ") + tt(base) + rm("...");
XtVaSetValues(dialog, XmNmessageString, msg.xmstring(), XtPointer(0));
manage_and_raise(dialog);
wait_until_mapped(dialog);
StatusDelay delay("Starting execution window");
// Fill in defaults
ttyname = "";
pid = -1;
string command =
// Set up a temporary file in TMP.
"tmp=${TMPDIR-/tmp}/ddd$$; export tmp; "
// Be sure to remove it when exiting...
"trap \"rm -f $tmp\" 0; "
// ... or being interrupted.
"trap 'exit 1' 1 2 15; "
// Now execute the xterm command
+ term_command +
// which saves TTY, PID, TERM, and WINDOWID in TMP and goes to
// sleep forever. Signal 2 (SIGINT) is blocked for two
// reasons: first, we don't want ^C to kill the tty window;
// second, later invocations will send us SIGINT to find out
// whether we're still alive.
" '"
"echo `tty` $$ $TERM $WINDOWID >$tmp; "
"trap \"\" 2; "
"while true; do sleep 3600; done"
"' "
// The whole thing is redirected and in the background such
// that rsh won't wait for us.
">/dev/null </dev/null 2>&1 & "
// The main file waits for TMP to be created...
"while test ! -s $tmp; do sleep 1; done; "
// ...and sends TMP's contents to stdout, where DDD is waiting.
"cat $tmp";
if (pid > 0 && remote_gdb())
{
// We're already running. Don't start a new tty
// if the old one is still running.
std::ostringstream os;
os << "kill -2 " << pid << " 2>/dev/null"
<< " || ( " << command << " )";
command = string(os);
}
command = sh_command(command);
{
XtAppContext app_context = XtWidgetToApplicationContext(dialog);
LiterateAgent tty(app_context, command);
string reply = "";
tty.addHandler(Input, GotReplyHP, (void *)&reply);
tty.start();
while (!reply.contains('\n') && !canceled && tty.running())
XtAppProcessEvent(app_context, XtIMAll);
if (reply.length() > 2)
{
std::istringstream is(reply.chars());
is >> ttyname >> pid >> term >> windowid;
}
tty.terminate();
}
// Create a new plot window
PlotAgent *new_plotter(const string& name, DispValue *source)
{
static int tics = 1;
string cmd = app_data.plot_command;
cmd.gsub("@FONT@", make_font(app_data, FixedWidthDDDFont));
string window_name = ddd_NAME "plot" + itostring(tics++);
if (cmd.contains("@NAME@"))
cmd.gsub("@NAME@", window_name);
else
cmd += " -name " + window_name;
// Create shell
PlotWindowInfo *plot = new_decoration(name);
if (plot == 0)
return 0;
plot->source = source;
plot->window_name = window_name;
XtVaSetValues(plot->shell, XmNuserData, XtPointer(True), XtPointer(0));
// Pop up a working dialog
static Widget dialog = 0;
if (dialog == 0)
{
Arg args[10];
Cardinal arg = 0;
dialog = verify(XmCreateWorkingDialog(find_shell(),
XMST("launch_plot_dialog"),
args, arg));
XtUnmanageChild(XmMessageBoxGetChild(dialog,
XmDIALOG_OK_BUTTON));
XtUnmanageChild(XmMessageBoxGetChild(dialog,
XmDIALOG_HELP_BUTTON));
}
XtRemoveAllCallbacks(dialog, XmNcancelCallback);
XtAddCallback(dialog, XmNcancelCallback, CancelPlotCB, XtPointer(plot));
plot->working_dialog = dialog;
string base = cmd;
if (base.contains(' '))
base = cmd.before(' ');
MString msg = rm("Starting ") + tt(base) + rm("...");
XtVaSetValues(dialog, XmNmessageString, msg.xmstring(), XtPointer(0));
manage_and_raise(dialog);
wait_until_mapped(dialog);
// Invoke plot process
PlotAgent *plotter =
new PlotAgent(XtWidgetToApplicationContext(plot->shell), cmd);
XtAddCallback(plot->shell, XtNpopdownCallback,
CancelPlotCB, XtPointer(plot));
if (plot->area != 0)
{
XtAddCallback(plot->area->widget(), XmNexposeCallback,
ExposePlotAreaCB, XtPointer(plot));
XtAddCallback(plot->area->widget(), XmNresizeCallback,
ResizePlotAreaCB, XtPointer(plot));
}
string init = app_data.plot_init_commands;
init.prepend("set term " + string(app_data.plot_term_type) + "\n");
if (!init.empty() && !init.contains('\n', -1))
init += '\n';
// Add trace handlers
plotter->addHandler(Input, TraceInputHP); // Gnuplot => DDD
plotter->addHandler(Output, TraceOutputHP); // DDD => Gnuplot
plotter->addHandler(Error, TraceErrorHP); // Gnuplot Errors => DDD
// Show Gnuplot Errors in status line
plotter->addHandler(Error, SetStatusHP, (void *)plot);
// Handle death
plotter->addHandler(Died, PlotterNotFoundHP, (void *)plot);
plotter->addHandler(Died, DeletePlotterHP, (void *)plot);
if (plot->area != 0)
plotter->addHandler(Plot, GetPlotHP, (void *)plot);
plotter->start_with(init);
plot->plotter = plotter;
return plotter;
}
