You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.6 KiB
117 lines
3.6 KiB
//
|
|
// MAIN -- a little demo of the capabilities of the "TDEProcess" class
|
|
//
|
|
// version 0.2, Aug 2nd 1997
|
|
// $Id$
|
|
//
|
|
// (C) Christian Czezatke
|
|
// e9025461@student.tuwien.ac.at
|
|
//
|
|
|
|
|
|
#include "kprocess.h"
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <tdeapplication.h>
|
|
|
|
#include <signal.h>
|
|
|
|
#include "kprocesstest.h"
|
|
|
|
#define PROCNO 10
|
|
|
|
|
|
//
|
|
// A nice input for "sort"... ;- )
|
|
//
|
|
static const char txt[] = "hat\nder\nalte\nhexenmeister\nsich\ndoch\neinmal\nwegbegeben\n\
|
|
und\nnun\nsollen\nseine\ngeister\nsich\nnach\nmeinem\nwillen\nregen\nseine\nwort\nund\n\
|
|
werke\nmerkt\nich\nund\nden\nbrauch\nund\nmit\ngeistesstaerke\ntu\nich\nwunder\nauch\n";
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
TDEProcess p1, p2, p3, p4;
|
|
Dummy dummy;
|
|
TDEApplication app(argc, argv, TQCString("kprocesstest"));
|
|
|
|
|
|
printf("Welcome to the TDEProcess Demo Application!\n");
|
|
|
|
//
|
|
// The kghostview demo -- Starts a kghostview instance blocking. -- After
|
|
// kghostview has exited, kghostview is restarted non-blocking. When the process exits,
|
|
// the signal "processExited" will be emitted.
|
|
//
|
|
|
|
p1 << "kghostview";
|
|
TQObject::connect(&p1, TQT_SIGNAL(processExited(TDEProcess *)), &dummy, TQT_SLOT(printMessage(TDEProcess *)));
|
|
|
|
printf("starting kghostview blocking (close to continue)\n");
|
|
p1.start(TDEProcess::Block);
|
|
printf("restarting kghostview non blocking\n");
|
|
p1.start();
|
|
|
|
|
|
//
|
|
// A konsole with tcsh to demonstrate how to pass command line options to a process
|
|
// with "TDEProcess" (is run blocking)
|
|
//
|
|
|
|
printf("Starting konsole with /bin/tcsh as shell (close to continue)\n");
|
|
p2 << "konsole" << "-e" << "/bin/tcsh";
|
|
p2.setWorkingDirectory("/tmp");
|
|
TQObject::connect(&p2, TQT_SIGNAL(processExited(TDEProcess *)), &dummy, TQT_SLOT(printMessage(TDEProcess *)));
|
|
p2.start(TDEProcess::Block);
|
|
|
|
//
|
|
// Getting the output from a process. "ls" with parameter "-l" is called and it output is captured
|
|
//
|
|
|
|
p3 << "ls" << "-l";
|
|
TQObject::connect(&p3, TQT_SIGNAL(processExited(TDEProcess *)),
|
|
&dummy, TQT_SLOT(printMessage(TDEProcess *)));
|
|
|
|
TQObject::connect(&p3, TQT_SIGNAL(receivedStdout(TDEProcess *, char *, int)),
|
|
&dummy, TQT_SLOT(gotOutput(TDEProcess *, char *, int)));
|
|
TQObject::connect(&p3, TQT_SIGNAL(receivedStderr(TDEProcess *, char *, int)),
|
|
&dummy, TQT_SLOT(gotOutput(TDEProcess *, char *, int)));
|
|
|
|
p3.start(TDEProcess::NotifyOnExit, TDEProcess::AllOutput);
|
|
|
|
|
|
//
|
|
// An even more advanced example of communicating with a child proces. -- A "sort" command
|
|
// is started. After it has been started a list of words (as stored in "txt") is written
|
|
// to its stdin. When the sort command has absorbed all its input it will emit the signal
|
|
// "inputSent". -- This signal is connected to "outputDone" in the Dummy object.
|
|
//
|
|
// "OutputDone" will do a "sendEof" to p4. -- This will cause "sort" to perform its task.
|
|
// The output of sort is then captured once more by connecting to the signal "outputWaiting"
|
|
//
|
|
//
|
|
|
|
p4 << "sort";
|
|
TQObject::connect(&p4, TQT_SIGNAL(processExited(TDEProcess *)),
|
|
&dummy, TQT_SLOT(printMessage(TDEProcess *)));
|
|
|
|
TQObject::connect(&p4, TQT_SIGNAL(receivedStdout(TDEProcess *, char *, int)),
|
|
&dummy, TQT_SLOT(gotOutput(TDEProcess *, char *, int)));
|
|
TQObject::connect(&p4, TQT_SIGNAL(receivedStderr(TDEProcess *, char *, int)),
|
|
&dummy, TQT_SLOT(gotOutput(TDEProcess *, char *, int)));
|
|
|
|
TQObject::connect(&p4, TQT_SIGNAL(wroteStdin(TDEProcess *)),
|
|
&dummy, TQT_SLOT(outputDone(TDEProcess *)));
|
|
|
|
p4.start(TDEProcess::NotifyOnExit, TDEProcess::All);
|
|
printf("after p4.start");
|
|
p4.writeStdin(txt, strlen(txt));
|
|
|
|
printf("Entering man Qt event loop -- press <CTRL><C> to abort\n");
|
|
app.exec();
|
|
|
|
return 0;
|
|
}
|
|
#include "kprocesstest.moc"
|