src/platform/wxwidgets/joystick.cpp

   1 #ifdef WXWIDGETS_JOYSTICK_SUPPORT
   2 #include "core/command.hpp"
   3 #include "core/framerate.hpp"
   4 #include "core/keymapper.hpp"
   5 #include "core/joystickapi.hpp"
   6 #include "core/window.hpp"
   7 #include "library/minmax.hpp"
   8 #include "library/string.hpp"
   9 #include <wx/timer.h>
  10 #include <wx/joystick.h>
  11
  12
  13 #define POLL_WAIT 20000
  14 #include <cstdlib>
  15 #include <string>
  16 #include <sstream>
  17 #include <iostream>
  18 #include <stdexcept>
  19 #include <sys/time.h>
  20 #include <unistd.h>
  21
  22 namespace
  23 {
  24         volatile bool ready;
  25         unsigned joysticks;
  26         std::map<unsigned, wxJoystick*> objs;
  27
  28         const char* buttonnames[] = {"Button1", "Button2", "Button3", "Button4", "Button5", "Button6", "Button7",
  29                 "Button8", "Button9", "Button10", "Button11", "Button12", "Button13", "Button14", "Button15",
  30                 "Button16", "Button17", "Button18", "Button19", "Button20", "Button21", "Button22", "Button23",
  31                 "Button24", "Button25", "Button26", "Button27", "Button28", "Button29", "Button30", "Button31",
  32                 "Button32"};
  33
  34         struct joystick_timer : public wxTimer
  35         {
  36                 joystick_timer() { start(); }
  37                 void start() { Start(POLL_WAIT / 1000); }
  38                 void stop() { Stop(); }
  39                 void Notify()
  40                 {
  41                         if(!ready)
  42                                 return;
  43                         for(auto i : objs) {
  44                                 wxJoystick& j = *i.second;
  45                                 lsnes_gamepads[i.first].report_hat(0, j.GetPOVCTSPosition());
  46                                 uint32_t bmask = j.GetButtonState();
  47                                 for(unsigned j = 0; j < 32; j++)
  48                                         lsnes_gamepads[i.first].report_button(j, (bmask >> j) & 1);
  49                                 wxPoint xy = j.GetPosition();
  50                                 lsnes_gamepads[i.first].report_axis(0, xy.x);
  51                                 lsnes_gamepads[i.first].report_axis(1, xy.y);
  52                                 lsnes_gamepads[i.first].report_axis(2, j.GetZPosition());
  53                                 lsnes_gamepads[i.first].report_axis(3, j.GetRudderPosition());
  54                                 lsnes_gamepads[i.first].report_axis(4, j.GetUPosition());
  55                                 lsnes_gamepads[i.first].report_axis(5, j.GetVPosition());
  56                         }
  57                 }
  58         }* jtimer;
  59
  60         struct _joystick_driver drv = {
  61                 .init = []() -> void {
  62                         unsigned max_joysticks = wxJoystick::GetNumberJoysticks();
  63                         if(!max_joysticks)
  64                                 return;         //No joystick support.
  65                         for(unsigned i = 0; i < max_joysticks; i++) {
  66                                 wxJoystick* joy = new wxJoystick(i);
  67                                 if(!joy->IsOk()) {
  68                                         //Not usable.
  69                                         delete joy;
  70                                         continue;
  71                                 }
  72                                 unsigned jid = lsnes_gamepads.add(joy->GetProductName());
  73                                 hw_gamepad& ngp = lsnes_gamepads[jid];
  74                                 objs[jid] = joy;
  75
  76                                 if(joy->HasPOV())
  77                                         ngp.add_hat(0, "POV");
  78                                 for(unsigned j = 0; j < joy->GetNumberButtons() && j < 32; j++)
  79                                         ngp.add_button(j, buttonnames[j]);
  80                                 const char* R = "Rudder";
  81                                 ngp.add_axis(0, joy->GetXMin(), joy->GetXMax(), false, "X");
  82                                 ngp.add_axis(1, joy->GetYMin(), joy->GetYMax(), false, "Y");
  83                                 if(joy->HasZ())         ngp.add_axis(2, joy->GetZMin(), joy->GetZMax(), false, "Z");
  84                                 if(joy->HasRudder())    ngp.add_axis(3, joy->GetRudderMin(), joy->GetRudderMax(),
  85                                         false, R);
  86                                 if(joy->HasU())         ngp.add_axis(4, joy->GetUMin(), joy->GetUMax(), false, "U");
  87                                 if(joy->HasV())         ngp.add_axis(5, joy->GetVMin(), joy->GetVMax(), false, "V");
  88                                 messages << "Joystick #" << jid << " online: " << joy->GetProductName() << std::endl;
  89                         }
  90                         ready = true;
  91                         jtimer = new joystick_timer();
  92                 },
  93                 .quit = []() -> void {
  94                         if(jtimer)
  95                                 jtimer->stop();
  96                         delete jtimer;
  97                         jtimer = NULL;
  98                         ready = false;
  99                         for(auto i : objs)
 100                                 delete i.second;
 101                         usleep(50000);
 102                 },
 103                 //We don't poll in this thread, so just quit instantly.
 104                 .thread_fn = []() -> void {},
 105                 .signal = []() -> void {},
 106                 .name = []() -> const char* { return "Wxwidgets joystick plugin"; }
 107         };
 108         struct joystick_driver _drv(drv);
 109 }
 110
 111 #endif