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
  25 using lyx::support::ForkedcallsController;
  26
  27 using std::string;
  28 using std::vector;
  29
  30
  31 ControlForks::ControlForks(LyXView & lv, Dialogs & d)
  32         : ControlDialogBI(lv, d)
  33 {}
  34
  35
  36 vector<pid_t> const ControlForks::getPIDs() const
  37 {
  38         return ForkedcallsController::get().getPIDs();
  39 }
  40
  41
  42 string const ControlForks::getCommand(pid_t pid) const
  43 {
  44         return ForkedcallsController::get().getCommand(pid);
  45 }
  46
  47
  48 void ControlForks::kill(pid_t pid)
  49 {
  50         pids_.push_back(pid);
  51 }
  52
  53
  54 void ControlForks::apply()
  55 {
  56         if (!bufferIsAvailable())
  57                 return;
  58
  59         view().apply();
  60
  61         // Nothing to apply?
  62         if (pids_.empty())
  63                 return;
  64
  65         for (vector<pid_t>::const_iterator it = pids_.begin();
  66              it != pids_.end(); ++it) {
  67                 lyxfunc().dispatch(FuncRequest(LFUN_FORKS_KILL, tostr(*it)));
  68         }
  69
  70         pids_.clear();
  71 }
  72
  73
  74 void ControlForks::setParams()
  75 {
  76         if (childrenChanged_.connected())
  77                 return;
  78
  79         pids_.clear();
  80
  81         ForkedcallsController & fcc = ForkedcallsController::get();
  82         childrenChanged_ =
  83                 fcc.childrenChanged.connect(boost::bind(&ControlForks::update, this));
  84 }
  85
  86
  87 void ControlForks::clearParams()
  88 {
  89         pids_.clear();
  90         childrenChanged_.disconnect();
  91 }