src/frontends/controllers/ControlForks.C

   1 /**
   2  * \file ControlForks.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13 #include "ControlForks.h"
  14 #include "ViewBase.h"
  15
  16 #include "lyxfunc.h"
  17 #include "funcrequest.h"
  18
  19 #include "support/forkedcontr.h"
  20 #include "support/tostr.h"
  21
  22 #include <boost/bind.hpp>
  23
  24 using namespace lyx::support;
  25
  26 using std::vector;
  27
  28
  29 ControlForks::ControlForks(LyXView & lv, Dialogs & d)
  30         : ControlDialogBI(lv, d)
  31 {}
  32
  33
  34 vector<pid_t> const ControlForks::getPIDs() const
  35 {
  36         return ForkedcallsController::get().getPIDs();
  37 }
  38
  39
  40 string const ControlForks::getCommand(pid_t pid) const
  41 {
  42         return ForkedcallsController::get().getCommand(pid);
  43 }
  44
  45
  46 void ControlForks::kill(pid_t pid)
  47 {
  48         pids_.push_back(pid);
  49 }
  50
  51
  52 void ControlForks::apply()
  53 {
  54         if (!bufferIsAvailable())
  55                 return;
  56
  57         view().apply();
  58
  59         // Nothing to apply?
  60         if (pids_.empty())
  61                 return;
  62
  63         for (vector<pid_t>::const_iterator it = pids_.begin();
  64              it != pids_.end(); ++it) {
  65                 lyxfunc().dispatch(FuncRequest(LFUN_FORKS_KILL, tostr(*it)));
  66         }
  67
  68         pids_.clear();
  69 }
  70
  71
  72 void ControlForks::setParams()
  73 {
  74         if (childrenChanged_.connected())
  75                 return;
  76
  77         pids_.clear();
  78
  79         ForkedcallsController & fcc = ForkedcallsController::get();
  80         childrenChanged_ =
  81                 fcc.childrenChanged.connect(boost::bind(&ControlForks::update, this));
  82 }
  83
  84
  85 void ControlForks::clearParams()
  86 {
  87         pids_.clear();
  88         childrenChanged_.disconnect();
  89 }