src/Timeout.C

   1 #include <config.h>
   2
   3 #include FORMS_H_LOCATION
   4
   5 #include "Timeout.h"
   6 #include "debug.h"
   7
   8 using std::endl;
   9
  10 extern "C" {
  11         static
  12         void C_intern_timeout_cb(int, void * data)
  13         {
  14                 Timeout * to = static_cast<Timeout*>(data);
  15                 to->callback();
  16         }
  17 }
  18
  19
  20 Timeout::Timeout()
  21         : type(ONETIME), timeout(0), timeout_id(-1),
  22          callback_(0), data_(0) {}
  23
  24
  25 Timeout::Timeout(int msec, Type t)
  26         : type(t), timeout(msec), timeout_id(-1),
  27           callback_(0), data_(0) {}
  28
  29
  30 Timeout::~Timeout()
  31 {
  32         stop();
  33 }
  34
  35
  36 void Timeout::restart()
  37 {
  38         stop();
  39         start();
  40 }
  41
  42
  43 void Timeout::start()
  44 {
  45         if (timeout_id != -1)
  46                 lyxerr << "Timeout::start: already running!" << endl;
  47         timeout_id = fl_add_timeout(timeout,
  48                                     C_intern_timeout_cb, this);
  49 }
  50
  51
  52 void Timeout::stop()
  53 {
  54         if (timeout_id != -1) {
  55                 fl_remove_timeout(timeout_id);
  56                 timeout_id = -1;
  57         }
  58 }
  59
  60
  61 void Timeout::callback(TimeoutCallback cb, void * data)
  62 {
  63         callback_ = cb;
  64         data_ = data;
  65 }
  66
  67
  68 void Timeout::callback()
  69 {
  70         timeout_id = -1;
  71         if (callback_)
  72                 callback_(data_);
  73         if (type == CONTINOUS)
  74                 start();
  75 }
  76
  77
  78 void Timeout::setType(Type t)
  79 {
  80         type = t;
  81 }
  82
  83
  84 void Timeout::setTimeout(int msec)
  85 {
  86         timeout = msec;
  87 }