src/frontends/xforms/xformsTimeout.C

   1 /**
   2  * \file xformsTimeout.C
   3  * Copyright 2001 LyX Team
   4  * Read COPYING
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author John Levon
   8  * \author Angus Leeming
   9  */
  10
  11 #include <config.h>
  12
  13 #include "xformsTimeout.h"
  14 #include "debug.h"
  15
  16 #include FORMS_H_LOCATION
  17
  18
  19 Timeout::Timeout(unsigned int msec, Type t)
  20         : pimpl_(new xformsTimeout(*this)), type(t), timeout_ms(msec)
  21 {}
  22
  23
  24 namespace {
  25
  26 extern "C"
  27 void C_TimeoutCB(int, void * data)
  28 {
  29         xformsTimeout * to = static_cast<xformsTimeout *>(data);
  30         to->emitCB();
  31 }
  32
  33 } // namespace anon
  34
  35
  36 xformsTimeout::xformsTimeout(Timeout & owner)
  37         : Timeout::Impl(owner), timeout_id(-1)
  38 {}
  39
  40
  41 void xformsTimeout::emitCB()
  42 {
  43         emit();
  44 }
  45
  46
  47 bool xformsTimeout::running() const
  48 {
  49         return timeout_id != -1;
  50 }
  51
  52
  53 void xformsTimeout::start()
  54 {
  55         if (running()) {
  56                 lyxerr << "Timeout::start: already running!" << std::endl;
  57
  58         } else {
  59                 timeout_id = fl_add_timeout(timeout_ms(),
  60                                             C_TimeoutCB, this);
  61         }
  62 }
  63
  64
  65 void xformsTimeout::stop()
  66 {
  67         if (running()) {
  68                 fl_remove_timeout(timeout_id);
  69                 timeout_id = -1;
  70         }
  71 }
  72
  73
  74 void xformsTimeout::reset()
  75 {
  76         timeout_id = -1;
  77 }