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[wxWidgets.git] / src / unix / joystick.cpp

diff --git a/src/unix/joystick.cpp b/src/unix/joystick.cpp
index cb88e0add91e396b2cdea89f2b511e5964bd5d8d..b96c009826e6503e0a03e26a397f18836c405b66 100644 (file)
--- a/src/unix/joystick.cpp
+++ b/src/unix/joystick.cpp
@@ -1,27 +1,28 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        joystick.cpp
+// Name:        src/unix/joystick.cpp

 // Purpose:     wxJoystick class
 // Author:      Ported to Linux by Guilhem Lavaux
 // Modified by:
 // Created:     05/23/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux
 // Purpose:     wxJoystick class
 // Author:      Ported to Linux by Guilhem Lavaux
 // Modified by:
 // Created:     05/23/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "joystick.h"
-#endif
-

 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 

-#include "wx/defs.h"
-

 #if wxUSE_JOYSTICK
 
 #include "wx/joystick.h"
 
 #if wxUSE_JOYSTICK
 
 #include "wx/joystick.h"
 

+#ifndef WX_PRECOMP
+    #include "wx/event.h"
+    #include "wx/window.h"
+#endif //WX_PRECOMP
+
+#include "wx/thread.h"
+

 #include <linux/joystick.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <linux/joystick.h>
 #include <sys/types.h>
 #include <sys/stat.h>


@@ -30,8 +31,11 @@
 #include <fcntl.h>
 #include <unistd.h>
 
 #include <fcntl.h>
 #include <unistd.h>
 

-#include "wx/event.h"
-#include "wx/window.h"
+#ifdef HAVE_SYS_SELECT_H
+#   include <sys/select.h>
+#endif
+
+#include "wx/unix/private.h"

 
 enum {
     wxJS_AXIS_X = 0,
 
 enum {
     wxJS_AXIS_X = 0,


@@ -40,9 +44,11 @@ enum {
     wxJS_AXIS_RUDDER,
     wxJS_AXIS_U,
     wxJS_AXIS_V,
     wxJS_AXIS_RUDDER,
     wxJS_AXIS_U,
     wxJS_AXIS_V,

-    
+

     wxJS_AXIS_MAX = 32767,
     wxJS_AXIS_MAX = 32767,

-    wxJS_AXIS_MIN = -32767
+    wxJS_AXIS_MIN = -32767,
+    wxJS_MAX_AXES = 15,
+    wxJS_MAX_BUTTONS = sizeof(int) * 8

 };
 
 
 };
 
 


@@ -60,13 +66,15 @@ public:
     void* Entry();
 
 private:
     void* Entry();
 
 private:

+    void      SendEvent(wxEventType type, long ts, int change = 0);

     int       m_device;
     int       m_joystick;
     wxPoint   m_lastposition;
     int       m_device;
     int       m_joystick;
     wxPoint   m_lastposition;

-    int              m_axe[15];
-    int              m_buttons;
+    int       m_axe[wxJS_MAX_AXES];
+    int       m_buttons;

     wxWindow* m_catchwin;
     wxWindow* m_catchwin;

-    int              m_polling;
+    int       m_polling;
+    int       m_threshold;

 
     friend class wxJoystick;
 };
 
     friend class wxJoystick;
 };


@@ -78,12 +86,24 @@ wxJoystickThread::wxJoystickThread(int device, int joystick)
       m_lastposition(wxDefaultPosition),
       m_buttons(0),
       m_catchwin(NULL),
       m_lastposition(wxDefaultPosition),
       m_buttons(0),
       m_catchwin(NULL),

-      m_polling(0)
-{    
-    for (int i=0; i<15; i++)
-        m_axe[i] = 0;
+      m_polling(0),
+      m_threshold(0)
+{
+    memset(m_axe, 0, sizeof(m_axe));

 }
 
 }
 

+void wxJoystickThread::SendEvent(wxEventType type, long ts, int change)
+{
+    wxJoystickEvent jwx_event(type, m_buttons, m_joystick, change);
+
+    jwx_event.SetTimestamp(ts);
+    jwx_event.SetPosition(m_lastposition);
+    jwx_event.SetZPosition(m_axe[wxJS_AXIS_Z]);
+    jwx_event.SetEventObject(m_catchwin);
+
+    if (m_catchwin)
+        m_catchwin->AddPendingEvent(jwx_event);
+}

 
 void* wxJoystickThread::Entry()
 {
 
 void* wxJoystickThread::Entry()
 {


@@ -91,8 +111,9 @@ void* wxJoystickThread::Entry()
     fd_set read_fds;
     struct timeval time_out = {0, 0};
 
     fd_set read_fds;
     struct timeval time_out = {0, 0};
 

-    FD_ZERO(&read_fds);
-    while (true) {
+    wxFD_ZERO(&read_fds);
+    while (true)
+    {

         if (TestDestroy())
             break;
 
         if (TestDestroy())
             break;
 


@@ -102,10 +123,10 @@ void* wxJoystickThread::Entry()
             time_out.tv_usec = m_polling * 1000;
         else
             time_out.tv_usec = 10 * 1000; // check at least every 10 msec in blocking case
             time_out.tv_usec = m_polling * 1000;
         else
             time_out.tv_usec = 10 * 1000; // check at least every 10 msec in blocking case

-        
-        FD_SET(m_device, &read_fds);
+
+        wxFD_SET(m_device, &read_fds);

         select(m_device+1, &read_fds, NULL, NULL, &time_out);
         select(m_device+1, &read_fds, NULL, NULL, &time_out);

-        if (FD_ISSET(m_device, &read_fds))
+        if (wxFD_ISSET(m_device, &read_fds))

         {
             memset(&j_evt, 0, sizeof(j_evt));
             read(m_device, &j_evt, sizeof(j_evt));
         {
             memset(&j_evt, 0, sizeof(j_evt));
             read(m_device, &j_evt, sizeof(j_evt));


@@ -113,65 +134,51 @@ void* wxJoystickThread::Entry()
             //printf("time: %d\t value: %d\t type: %d\t number: %d\n",
             //       j_evt.time, j_evt.value, j_evt.type, j_evt.number);
 
             //printf("time: %d\t value: %d\t type: %d\t number: %d\n",
             //       j_evt.time, j_evt.value, j_evt.type, j_evt.number);
 

-            if (m_catchwin)
+            if ((j_evt.type & JS_EVENT_AXIS) && (j_evt.number < wxJS_MAX_AXES))

             {
             {

-                wxJoystickEvent jwx_event;
-
-                if ((j_evt.type & JS_EVENT_AXIS) == JS_EVENT_AXIS) {
-
-                    m_axe[j_evt.number] = j_evt.value;
+                if (   (m_axe[j_evt.number] + m_threshold < j_evt.value)
+                    || (m_axe[j_evt.number] - m_threshold > j_evt.value) )
+            {
+                m_axe[j_evt.number] = j_evt.value;

 
 

-                    switch (j_evt.number) {
+                switch (j_evt.number)
+                {

                     case wxJS_AXIS_X:
                         m_lastposition.x = j_evt.value;
                     case wxJS_AXIS_X:
                         m_lastposition.x = j_evt.value;

-                        jwx_event.SetEventType(wxEVT_JOY_MOVE);
+                        SendEvent(wxEVT_JOY_MOVE, j_evt.time);

                         break;
                     case wxJS_AXIS_Y:
                         m_lastposition.y = j_evt.value;
                         break;
                     case wxJS_AXIS_Y:
                         m_lastposition.y = j_evt.value;

-                        jwx_event.SetEventType(wxEVT_JOY_MOVE);
+                        SendEvent(wxEVT_JOY_MOVE, j_evt.time);

                         break;
                     case wxJS_AXIS_Z:
                         break;
                     case wxJS_AXIS_Z:

-                        jwx_event.SetEventType(wxEVT_JOY_ZMOVE);
+                        SendEvent(wxEVT_JOY_ZMOVE, j_evt.time);

                         break;
                     default:
                         break;
                     default:

-                        jwx_event.SetEventType(wxEVT_JOY_MOVE);
+                        SendEvent(wxEVT_JOY_MOVE, j_evt.time);

                         // TODO: There should be a way to indicate that the event
                         //       is for some other axes.
                         break;
                         // TODO: There should be a way to indicate that the event
                         //       is for some other axes.
                         break;

-                    }

                 }
                 }

-            
-                if ((j_evt.type & JS_EVENT_BUTTON) == JS_EVENT_BUTTON) {
-                    if (j_evt.value)
-                    {
-                        m_buttons |= (1 << j_evt.number);
-                        jwx_event.SetEventType(wxEVT_JOY_BUTTON_DOWN);
-                    }
-                    else
-                    {
-                        m_buttons &= ~(1 << j_evt.number);
-                        jwx_event.SetEventType(wxEVT_JOY_BUTTON_UP);
-                    }
-                    
-                    jwx_event.SetButtonChange(j_evt.number);
-                }
-
-                jwx_event.SetTimestamp(j_evt.time);
-                jwx_event.SetJoystick(m_joystick);
-                jwx_event.SetButtonState(m_buttons);
-                jwx_event.SetPosition(m_lastposition);
-                jwx_event.SetZPosition(m_axe[3]);
-                jwx_event.SetEventObject(m_catchwin);
+            }
+            }

 
 

-            
-                m_catchwin->AddPendingEvent(jwx_event);
+            if ( (j_evt.type & JS_EVENT_BUTTON) && (j_evt.number < wxJS_MAX_BUTTONS) )
+            {
+                if (j_evt.value)
+                {
+                    m_buttons |= (1 << j_evt.number);
+                    SendEvent(wxEVT_JOY_BUTTON_DOWN, j_evt.time, j_evt.number);
+                }
+                else
+                {
+                    m_buttons &= ~(1 << j_evt.number);
+                    SendEvent(wxEVT_JOY_BUTTON_UP, j_evt.time, j_evt.number);
+                }

             }
             }

-            
-//         if (m_polling)
-//             wxThread::Sleep(m_polling);

         }
     }
         }
     }

-    
+

     close(m_device);
     return NULL;
 }
     close(m_device);
     return NULL;
 }


@@ -185,11 +192,18 @@ wxJoystick::wxJoystick(int joystick)
       m_thread(NULL)
 {
     wxString dev_name;
       m_thread(NULL)
 {
     wxString dev_name;

-    
-    // Assume it's the same device name on all Linux systems ...
-    dev_name.Printf( wxT("/dev/js%d"), (joystick == wxJOYSTICK1) ? 0 : 1); 
+
+     // old /dev structure
+    dev_name.Printf( wxT("/dev/js%d"), joystick);

     m_device = open(dev_name.fn_str(), O_RDONLY);
 
     m_device = open(dev_name.fn_str(), O_RDONLY);
 

+    // new /dev structure with "input" subdirectory
+    if (m_device == -1)
+    {
+        dev_name.Printf( wxT("/dev/input/js%d"), joystick);
+        m_device = open(dev_name.fn_str(), O_RDONLY);
+    }
+

     if (m_device != -1)
     {
         m_thread = new wxJoystickThread(m_device, m_joystick);
     if (m_device != -1)
     {
         m_thread = new wxJoystickThread(m_device, m_joystick);


@@ -219,20 +233,34 @@ wxPoint wxJoystick::GetPosition() const
     return pos;
 }
 
     return pos;
 }
 

+int wxJoystick::GetPosition(unsigned axis) const
+{
+    if (m_thread && (axis < wxJS_MAX_AXES))
+        return m_thread->m_axe[axis];
+    return 0;
+}
+

 int wxJoystick::GetZPosition() const
 {
 int wxJoystick::GetZPosition() const
 {

-    if (m_thread) 
+    if (m_thread)

         return m_thread->m_axe[wxJS_AXIS_Z];
     return 0;
 }
 
 int wxJoystick::GetButtonState() const
 {
         return m_thread->m_axe[wxJS_AXIS_Z];
     return 0;
 }
 
 int wxJoystick::GetButtonState() const
 {

-    if (m_thread) 
+    if (m_thread)

         return m_thread->m_buttons;
     return 0;
 }
 
         return m_thread->m_buttons;
     return 0;
 }
 

+bool wxJoystick::GetButtonState(unsigned id) const
+{
+    if (m_thread && (id < wxJS_MAX_BUTTONS))
+        return (m_thread->m_buttons & (1 << id)) != 0;
+    return false;
+}
+

 int wxJoystick::GetPOVPosition() const
 {
     return -1;
 int wxJoystick::GetPOVPosition() const
 {
     return -1;


@@ -245,32 +273,36 @@ int wxJoystick::GetPOVCTSPosition() const
 
 int wxJoystick::GetRudderPosition() const
 {
 
 int wxJoystick::GetRudderPosition() const
 {

-    if (m_thread) 
+    if (m_thread)

         return m_thread->m_axe[wxJS_AXIS_RUDDER];
     return 0;
 }
 
 int wxJoystick::GetUPosition() const
 {
         return m_thread->m_axe[wxJS_AXIS_RUDDER];
     return 0;
 }
 
 int wxJoystick::GetUPosition() const
 {

-    if (m_thread) 
+    if (m_thread)

         return m_thread->m_axe[wxJS_AXIS_U];
     return 0;
 }
 
 int wxJoystick::GetVPosition() const
 {
         return m_thread->m_axe[wxJS_AXIS_U];
     return 0;
 }
 
 int wxJoystick::GetVPosition() const
 {

-    if (m_thread) 
+    if (m_thread)

         return m_thread->m_axe[wxJS_AXIS_V];
     return 0;
 }
 
 int wxJoystick::GetMovementThreshold() const
 {
         return m_thread->m_axe[wxJS_AXIS_V];
     return 0;
 }
 
 int wxJoystick::GetMovementThreshold() const
 {

+    if (m_thread)
+        return m_thread->m_threshold;

     return 0;
 }
 
 void wxJoystick::SetMovementThreshold(int threshold)
 {
     return 0;
 }
 
 void wxJoystick::SetMovementThreshold(int threshold)
 {

+    if (m_thread)
+        m_thread->m_threshold = threshold;

 }
 
 ////////////////////////////////////////////////////////////////////////////
 }
 
 ////////////////////////////////////////////////////////////////////////////


@@ -282,7 +314,7 @@ bool wxJoystick::IsOk() const
     return (m_device != -1);
 }
 
     return (m_device != -1);
 }
 

-int wxJoystick::GetNumberJoysticks() const
+int wxJoystick::GetNumberJoysticks()

 {
     wxString dev_name;
     int fd, j;
 {
     wxString dev_name;
     int fd, j;


@@ -291,9 +323,20 @@ int wxJoystick::GetNumberJoysticks() const
         dev_name.Printf(wxT("/dev/js%d"), j);
         fd = open(dev_name.fn_str(), O_RDONLY);
         if (fd == -1)
         dev_name.Printf(wxT("/dev/js%d"), j);
         fd = open(dev_name.fn_str(), O_RDONLY);
         if (fd == -1)

-            return j;
+            break;

         close(fd);
     }
         close(fd);
     }

+
+    if (j == 0) {
+        for (j=0; j<4; j++) {
+            dev_name.Printf(wxT("/dev/input/js%d"), j);
+            fd = open(dev_name.fn_str(), O_RDONLY);
+            if (fd == -1)
+                return j;
+            close(fd);
+        }
+    }
+

     return j;
 }
 
     return j;
 }
 


@@ -310,10 +353,10 @@ int wxJoystick::GetProductId() const
 wxString wxJoystick::GetProductName() const
 {
     char name[128];
 wxString wxJoystick::GetProductName() const
 {
     char name[128];

-    
+

     if (ioctl(m_device, JSIOCGNAME(sizeof(name)), name) < 0)
         strcpy(name, "Unknown");
     if (ioctl(m_device, JSIOCGNAME(sizeof(name)), name) < 0)
         strcpy(name, "Unknown");

-    return wxString(name, wxConvLibc);    
+    return wxString(name, wxConvLibc);

 }
 
 int wxJoystick::GetXMin() const
 }
 
 int wxJoystick::GetXMin() const


@@ -353,6 +396,9 @@ int wxJoystick::GetNumberButtons() const
     if (m_device != -1)
         ioctl(m_device, JSIOCGBUTTONS, &nb);
 
     if (m_device != -1)
         ioctl(m_device, JSIOCGBUTTONS, &nb);
 

+    if ((int)nb > wxJS_MAX_BUTTONS)
+        nb = wxJS_MAX_BUTTONS;
+

     return nb;
 }
 
     return nb;
 }
 


@@ -363,17 +409,20 @@ int wxJoystick::GetNumberAxes() const
     if (m_device != -1)
         ioctl(m_device, JSIOCGAXES, &nb);
 
     if (m_device != -1)
         ioctl(m_device, JSIOCGAXES, &nb);
 

+    if ((int)nb > wxJS_MAX_AXES)
+        nb = wxJS_MAX_AXES;
+

     return nb;
 }
 
 int wxJoystick::GetMaxButtons() const
 {
     return nb;
 }
 
 int wxJoystick::GetMaxButtons() const
 {

-    return 15; // internal
+    return wxJS_MAX_BUTTONS; // internal

 }
 
 int wxJoystick::GetMaxAxes() const
 {
 }
 
 int wxJoystick::GetMaxAxes() const
 {

-    return 15; // internal
+    return wxJS_MAX_AXES; // internal

 }
 
 int wxJoystick::GetPollingMin() const
 }
 
 int wxJoystick::GetPollingMin() const


@@ -477,4 +526,3 @@ bool wxJoystick::ReleaseCapture()
     return false;
 }
 #endif  // wxUSE_JOYSTICK
     return false;
 }
 #endif  // wxUSE_JOYSTICK

-