// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "joystick.h"
-#endif
+//===========================================================================
+// DECLARATIONS
+//===========================================================================
+
+//---------------------------------------------------------------------------
+// Pre-compiled header stuff
+//---------------------------------------------------------------------------
+// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#ifdef __DARWIN__
+//---------------------------------------------------------------------------
+// Guard
+//---------------------------------------------------------------------------
-#if wxUSE_JOYSTICK
+//we only support HID on OSX (DARWIN), since it requires DARWIN...
+#if wxUSE_JOYSTICK && defined(__DARWIN__)
-#include "wx/event.h"
-#include "wx/log.h"
-#include "wx/joystick.h"
-#include "wx/thread.h"
-#include "wx/window.h"
+//---------------------------------------------------------------------------
+// Includes
+//---------------------------------------------------------------------------
+#include "wx/event.h" //joystick wxEvents
+#include "wx/log.h" //logging...
+#include "wx/joystick.h" //...
+#include "wx/thread.h" //wxThread for polling thread/ wxCriticalSection
+#include "wx/window.h" //for wxWindow to "capture" joystick
-#include "wx/mac/corefoundation/hid.h"
+//private headers
+#include "wx/mac/corefoundation/hid.h" //private mac hid stuff
+//mac headers
#include <CoreServices/CoreServices.h>
#include <mach/mach.h>
#include <mach/mach_time.h>
#include <unistd.h>
-enum {
+//---------------------------------------------------------------------------
+// Definitions/Enumerations
+//---------------------------------------------------------------------------
+
+#define wxJS_MAX_AXES 10 /*max number of axes*/
+#define wxJS_MAX_BUTTONS 40 /*max number of buttons*/
+
+enum
+{
+ //These are positions within the cookie array
+ //in wxHIDJoystick that the cookies that store the axis' are
wxJS_AXIS_X = 40,
wxJS_AXIS_Y,
wxJS_AXIS_Z,
wxJS_AXIS_RUDDER,
wxJS_AXIS_U,
wxJS_AXIS_V,
-
- wxJS_AXIS_MAX = 255, //32767,
- wxJS_AXIS_MIN = 0, //-32767
};
+//---------------------------------------------------------------------------
+// wxHIDJoystick
+//---------------------------------------------------------------------------
class wxHIDJoystick : public wxHIDDevice
{
public:
+ wxHIDJoystick();
+ ~wxHIDJoystick();
+
bool Create(int nWhich);
virtual void BuildCookies(wxCFArray& Array);
void MakeCookies(wxCFArray& Array);
- IOHIDElementCookie* GetCookies() {return m_pCookies;}
- IOHIDQueueInterface** GetQueue() {return m_ppQueue;}
+ IOHIDElementCookie* GetCookies();
+ IOHIDQueueInterface** GetQueue();
+ int m_nXMax, m_nYMax, m_nZMax, m_nRudderMax, m_nUMax, m_nVMax,
+ m_nXMin, m_nYMin, m_nZMin, m_nRudderMin, m_nUMin, m_nVMin;
+
friend class wxJoystick;
};
-
-bool wxHIDJoystick::Create(int nWhich)
-{
- int nJoysticks = GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick);
-
- if (nWhich <= nJoysticks)
- return wxHIDDevice::Create(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick);
- else
- nWhich -= nJoysticks;
-
- int nGamePads = GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad);
-
- if (nWhich <= nGamePads)
- return wxHIDDevice::Create(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad);
- else
- return false;
-}
-
-void wxHIDJoystick::BuildCookies(wxCFArray& Array)
-{
- Array = CFDictionaryGetValue((CFDictionaryRef)Array[0], CFSTR(kIOHIDElementKey));
- InitCookies(50, true);
-
- memset(m_pCookies, 0, sizeof(*m_pCookies) * 50);
- MakeCookies(Array);
-
-// for(int i = 0; i < 50; ++i)
-// wxPrintf(wxT("\nVAL #%i:[%i]"), i, m_pCookies[i]);
-}//end buildcookies
-
-void wxHIDJoystick::MakeCookies(wxCFArray& Array)
-{
- int i,
- nUsage,
- nPage;
- for (i = 0; i < Array.GetCount(); ++i)
- {
- const void* ref = CFDictionaryGetValue((CFDictionaryRef)Array[i], CFSTR(kIOHIDElementKey));
-
-// wxPrintf(wxT("ELM\n"));
- if (ref != NULL)
- {
- wxCFArray newarray(ref);
- MakeCookies(newarray);
- }
- else
- {
- CFNumberGetValue(
- (CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) Array[i], CFSTR(kIOHIDElementUsageKey)),
- kCFNumberLongType, &nUsage);
-
- CFNumberGetValue(
- (CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) Array[i], CFSTR(kIOHIDElementUsagePageKey)),
- kCFNumberLongType, &nPage);
-
- if (nPage == kHIDPage_Button && nUsage <= 40)
- AddCookieInQueue(Array[i], nUsage-1 );
- else if (nPage == kHIDPage_GenericDesktop)
- {
- switch(nUsage)
- {
- case kHIDUsage_GD_X:
- AddCookieInQueue(Array[i], wxJS_AXIS_X);
- break;
- case kHIDUsage_GD_Y:
- AddCookieInQueue(Array[i], wxJS_AXIS_Y);
- break;
- case kHIDUsage_GD_Z:
- AddCookieInQueue(Array[i], wxJS_AXIS_Z);
- break;
- default:
- break;
- }
- }
- else if (nPage == kHIDPage_Simulation && nUsage == kHIDUsage_Sim_Rudder)
- AddCookieInQueue(Array[i], wxJS_AXIS_RUDDER );
- }
- }
-}
-
-
-
-IMPLEMENT_DYNAMIC_CLASS(wxJoystick, wxObject)
-
-
-////////////////////////////////////////////////////////////////////////////
-// Background thread for reading the joystick device
-////////////////////////////////////////////////////////////////////////////
-
+//---------------------------------------------------------------------------
+// wxJoystickThread
+//---------------------------------------------------------------------------
class wxJoystickThread : public wxThread
{
public:
wxJoystickThread(wxHIDJoystick* hid, int joystick);
void* Entry();
-
- static void HIDCallback(void* target, IOReturn res, void* context, void* sender)
- {
- IOHIDEventStruct hidevent;
- AbsoluteTime bogustime = {0,0};
- IOReturn ret;
- wxJoystickThread* pThis = (wxJoystickThread*) context;
- wxHIDJoystick* m_hid = pThis->m_hid;
-
-// wxMutexGuiEnter();
- ret = (*m_hid->GetQueue())->getNextEvent(m_hid->GetQueue(),
- &hidevent, bogustime, 0);
- // wxMutexGuiLeave();
- while ( ret != kIOReturnUnderrun )
- {
- if (pThis->TestDestroy())
- break;
-
-// wxPrintf(wxT("ENTER\n"));
- if(ret != kIOReturnSuccess)
- {
- wxLogSysError(wxString::Format(wxT("wxJoystick Error:[%i]"), ret));
- return;
- }
-
- wxJoystickEvent wxevent;
-
- int nIndex = 0;
- IOHIDElementCookie* pCookies = m_hid->GetCookies();
- while(nIndex < 50)
- {
- if(hidevent.elementCookie == pCookies[nIndex])
- break;
-
- ++nIndex;
- }
- if(nIndex == 50)
- {
- wxLogSysError(wxString::Format(wxT("wxJoystick Out Of Bounds Error")));
- break;
- }
-
- if (nIndex < 40)
- {
- if (hidevent.value)
- {
- pThis->m_buttons |= (1 << nIndex);
- wxevent.SetEventType(wxEVT_JOY_BUTTON_DOWN);
- }
- else
- {
- pThis->m_buttons &= ~(1 << nIndex);
- wxevent.SetEventType(wxEVT_JOY_BUTTON_UP);
- }
-
- wxevent.SetButtonChange(nIndex+1);
- }
- else if (nIndex == wxJS_AXIS_X)
- {
- pThis->m_lastposition.x = hidevent.value;
- wxevent.SetEventType(wxEVT_JOY_MOVE);
- pThis->m_axe[0] = hidevent.value;
- }
- else if (nIndex == wxJS_AXIS_Y)
- {
- pThis->m_lastposition.y = hidevent.value;
- wxevent.SetEventType(wxEVT_JOY_MOVE);
- pThis->m_axe[1] = hidevent.value;
- }
- else if (nIndex == wxJS_AXIS_Z)
- {
- wxevent.SetEventType(wxEVT_JOY_ZMOVE);
- pThis->m_axe[2] = hidevent.value;
- }
- else
- wxevent.SetEventType(wxEVT_JOY_MOVE);
-
- Nanoseconds timestamp = AbsoluteToNanoseconds(hidevent.timestamp);
-
- wxULongLong llTime(timestamp.hi, timestamp.lo);
-
- llTime /= 1000000;
-
- wxevent.SetTimestamp(llTime.GetValue());
- wxevent.SetJoystick(pThis->m_joystick);
- wxevent.SetButtonState(pThis->m_buttons);
- wxevent.SetPosition(pThis->m_lastposition);
- wxevent.SetZPosition(pThis->m_axe[2]);
- wxevent.SetEventObject(pThis->m_catchwin);
-
-// wxPrintf(wxT("SEND\n"));
-
- if (pThis->m_catchwin)
- pThis->m_catchwin->AddPendingEvent(wxevent);
-
- // wxMutexGuiEnter();
- ret = (*m_hid->GetQueue())->getNextEvent(m_hid->GetQueue(),
- &hidevent, bogustime, 0);
- // wxMutexGuiLeave();
- }
- }
+ static void HIDCallback(void* target, IOReturn res, void* context, void* sender);
private:
wxHIDJoystick* m_hid;
int m_joystick;
wxPoint m_lastposition;
- int m_axe[15];
+ int m_axe[wxJS_MAX_AXES];
int m_buttons;
wxWindow* m_catchwin;
int m_polling;
friend class wxJoystick;
};
+//===========================================================================
+// IMPLEMENTATION
+//===========================================================================
-wxJoystickThread::wxJoystickThread(wxHIDJoystick* hid, int joystick)
- : m_hid(hid),
- m_joystick(joystick),
- m_lastposition(127,127),
- m_buttons(0),
- m_catchwin(NULL),
- m_polling(0)
-{
- for (int i=0; i<15; i++)
- m_axe[i] = 0;
-}
-
-
-# define wxJSVERIFY(arg) if(!(arg)) {wxLogSysError(wxT(#arg)); return NULL;}
-# define wxJSASSERT(arg) wxJSVERIFY(arg)
-
-void* wxJoystickThread::Entry()
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+// wxGetIntFromCFDictionary
+//
+// Helper function that gets a integer from a dictionary key
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+void wxGetIntFromCFDictionary(CFTypeRef cfDict, CFStringRef key, int* pOut)
{
- CFRunLoopSourceRef pRLSource = NULL;
-
- wxJSVERIFY( (*m_hid->GetQueue())->createAsyncEventSource(m_hid->GetQueue(), &pRLSource)
- == kIOReturnSuccess );
- wxJSASSERT(pRLSource != NULL);
-
- //attach runloop source to main run loop in thread
- CFRunLoopRef pRL = CFRunLoopGetCurrent();
- CFRunLoopAddSource(pRL, pRLSource, kCFRunLoopDefaultMode);
-
- wxJSVERIFY( (*m_hid->GetQueue())->start(m_hid->GetQueue()) == kIOReturnSuccess );
- wxJSVERIFY( (*m_hid->GetQueue())->setEventCallout(m_hid->GetQueue(), &wxJoystickThread::HIDCallback, this, this) == kIOReturnSuccess );
-
- double dTime;
-
- while(true)
- {
- if (TestDestroy())
- break;
-
- if (m_polling)
- dTime = 0.0001 * m_polling;
- else
- dTime = 0.0001 * 10; // check at least every 10 msec in blocking case
-
- CFRunLoopRunInMode(kCFRunLoopDefaultMode, dTime, true);
- }
-
- wxJSASSERT( CFRunLoopContainsSource(pRL, pRLSource, kCFRunLoopDefaultMode) );
- CFRunLoopRemoveSource(pRL, pRLSource, kCFRunLoopDefaultMode);
- CFRelease(pRLSource);
-
- return NULL;
+ CFNumberGetValue(
+ (CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) cfDict,
+ key),
+ kCFNumberIntType, pOut);
}
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//
+// wxJoystick
+//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-////////////////////////////////////////////////////////////////////////////
+IMPLEMENT_DYNAMIC_CLASS(wxJoystick, wxObject)
+//---------------------------------------------------------------------------
+// wxJoystick Constructor
+//
+// 1) Initializes member variables
+// 2) Attempts to create the native HID joystick implementation - if none
+// could be found (no joysticks, etc.) then it sets it to NULL
+//---------------------------------------------------------------------------
wxJoystick::wxJoystick(int joystick)
: m_joystick(joystick),
m_thread(NULL)
}
}
-
+//---------------------------------------------------------------------------
+// wxJoystick Destructor
+//
+// Releases the capture of the thread, deletes it, and deletes
+// the native implementation.
+//---------------------------------------------------------------------------
wxJoystick::~wxJoystick()
{
ReleaseCapture();
delete m_hid;
}
-
-////////////////////////////////////////////////////////////////////////////
-// State
-////////////////////////////////////////////////////////////////////////////
-
+//---------------------------------------------------------------------------
+// wxJoystick::Get[XXX]Position
+//
+// Returns the value of an axis that was polled from the thread. In the
+// case of GetPosition returns the X and Y values in a wxPoint
+//---------------------------------------------------------------------------
wxPoint wxJoystick::GetPosition() const
{
wxPoint pos(wxDefaultPosition);
if (m_thread) pos = m_thread->m_lastposition;
return pos;
}
-
int wxJoystick::GetZPosition() const
{
if (m_thread)
return m_thread->m_axe[wxJS_AXIS_Z];
return 0;
}
-
-int wxJoystick::GetButtonState() const
-{
- if (m_thread)
- return m_thread->m_buttons;
- return 0;
-}
-
-int wxJoystick::GetPOVPosition() const
-{ return -1; }
-
-int wxJoystick::GetPOVCTSPosition() const
-{ return -1; }
-
int wxJoystick::GetRudderPosition() const
{
if (m_thread)
return m_thread->m_axe[wxJS_AXIS_RUDDER];
return 0;
}
-
int wxJoystick::GetUPosition() const
{
if (m_thread)
return m_thread->m_axe[wxJS_AXIS_U];
return 0;
}
-
int wxJoystick::GetVPosition() const
{
if (m_thread)
return 0;
}
-int wxJoystick::GetMovementThreshold() const
-{ return 0; }
-
-void wxJoystick::SetMovementThreshold(int threshold)
-{ }
-
-////////////////////////////////////////////////////////////////////////////
-// Capabilities
-////////////////////////////////////////////////////////////////////////////
+//---------------------------------------------------------------------------
+// wxJoystick::GetButtonState
+//
+// Returns the state of the buttons in a bitmask as dictated by the
+// wx manual (the real work takes place in the thread, as always)
+//---------------------------------------------------------------------------
+int wxJoystick::GetButtonState() const
+{
+ if (m_thread)
+ return m_thread->m_buttons;
+ return 0;
+}
+//---------------------------------------------------------------------------
+// wxJoystick::IsOk
+//
+// Returns whether the joystick initialized successfully - in this case
+// if the native implementation doesn't exist (in constructor)
+//---------------------------------------------------------------------------
bool wxJoystick::IsOk() const
-{ return m_hid != NULL; }
-
-int wxJoystick::GetNumberJoysticks() const
-{ return wxHIDDevice::GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick) +
- wxHIDDevice::GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad); }
+{
+ return m_hid != NULL;
+}
+//---------------------------------------------------------------------------
+// wxJoystick::Get[XXX](Id/Name)
+//
+// Simple accessors to the native HID implementation
+//---------------------------------------------------------------------------
int wxJoystick::GetManufacturerId() const
{ return m_hid->m_nManufacturerId; }
-
int wxJoystick::GetProductId() const
{ return m_hid->m_nProductId; }
-
wxString wxJoystick::GetProductName() const
{ return m_hid->m_szProductName; }
-int wxJoystick::GetXMin() const
-{ return wxJS_AXIS_MIN; }
-
-int wxJoystick::GetYMin() const
-{ return wxJS_AXIS_MIN; }
-
-int wxJoystick::GetZMin() const
-{ return wxJS_AXIS_MIN; }
-
-int wxJoystick::GetXMax() const
-{ return wxJS_AXIS_MAX; }
-
-int wxJoystick::GetYMax() const
-{ return wxJS_AXIS_MAX; }
-
-int wxJoystick::GetZMax() const
-{ return wxJS_AXIS_MAX; }
-
+//---------------------------------------------------------------------------
+// wxJoystick::GetNumberButtons
+// wxJoystick::GetNumberAxes
+//
+// Queries the joystick for an active number of buttons/axes.
+//
+// In the native HID implementation, the cookies:
+// 0-40 are the buttons of the joystick
+// 40-50 are the axes of the joystick
+//
+// These just query the native HID implementation as above.
+//---------------------------------------------------------------------------
int wxJoystick::GetNumberButtons() const
{
int nCount = 0;
return nCount;
}
-
int wxJoystick::GetNumberAxes() const
{
int nCount = 0;
return nCount;
}
+//---------------------------------------------------------------------------
+// wxJoystick::GetNumberJoysticks
//
-// internal
-//
-int wxJoystick::GetMaxButtons() const
-{ return 15; }
-
-int wxJoystick::GetMaxAxes() const
-{ return 10; }
+// Gets the number of joysticks on the system. In HID that
+// is all devices with the kHIDUsage_GD_Joystick or kHIDUsage_GD_GamePad
+// identifiers.
+//---------------------------------------------------------------------------
+int wxJoystick::GetNumberJoysticks()
+{
+ return
+ wxHIDDevice::GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick) +
+ wxHIDDevice::GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad);
+}
-int wxJoystick::GetPollingMin() const
-{ return 10; }
+//---------------------------------------------------------------------------
+// wxJoystick::SetCapture
+//
+// Stops sending events from the thread to the window set in
+// SetCapture and stops polling the joystick
+//---------------------------------------------------------------------------
+bool wxJoystick::SetCapture(wxWindow* win, int pollingFreq)
+{
+ if (m_thread)
+ {
+ m_thread->m_catchwin = win;
+ m_thread->m_polling = pollingFreq;
+ return true;
+ }
+ return false;
+}
-int wxJoystick::GetPollingMax() const
-{ return 1000; }
+//---------------------------------------------------------------------------
+// wxJoystick::ReleaseCapture
+//
+// Stops sending events from the thread to the window set in
+// SetCapture and stops polling the joystick
+//---------------------------------------------------------------------------
+bool wxJoystick::ReleaseCapture()
+{
+ if (m_thread)
+ {
+ m_thread->m_catchwin = NULL;
+ m_thread->m_polling = 0;
+ return true;
+ }
+ return false;
+}
+//---------------------------------------------------------------------------
+// wxJoystick::Get[XXX]
+//
+// Gets the minimum and maximum values for each axis, returning 0 if the
+// axis doesn't exist.
+//---------------------------------------------------------------------------
+int wxJoystick::GetXMin() const
+{ return m_hid->m_nXMin; }
+int wxJoystick::GetYMin() const
+{ return m_hid->m_nYMin; }
+int wxJoystick::GetZMin() const
+{ return m_hid->m_nZMin; }
int wxJoystick::GetRudderMin() const
-{ return wxJS_AXIS_MIN; }
-
-int wxJoystick::GetRudderMax() const
-{ return wxJS_AXIS_MAX; }
-
+{ return m_hid->m_nRudderMin; }
int wxJoystick::GetUMin() const
-{ return wxJS_AXIS_MIN; }
-
-int wxJoystick::GetUMax() const
-{ return wxJS_AXIS_MAX; }
-
+{ return m_hid->m_nUMin; }
int wxJoystick::GetVMin() const
-{ return wxJS_AXIS_MIN; }
+{ return m_hid->m_nVMin; }
+int wxJoystick::GetXMax() const
+{ return m_hid->m_nXMax; }
+int wxJoystick::GetYMax() const
+{ return m_hid->m_nYMax; }
+int wxJoystick::GetZMax() const
+{ return m_hid->m_nZMax; }
+int wxJoystick::GetRudderMax() const
+{ return m_hid->m_nRudderMax; }
+int wxJoystick::GetUMax() const
+{ return m_hid->m_nUMax; }
int wxJoystick::GetVMax() const
-{ return wxJS_AXIS_MAX; }
+{ return m_hid->m_nVMax; }
-bool wxJoystick::HasRudder() const
-{ return m_hid->HasElement(wxJS_AXIS_RUDDER); }
+//---------------------------------------------------------------------------
+// wxJoystick::Get[XXX]
+//
+// Min/Max values for buttons, axes, etc.. Polling in this case is just
+// what the linux port has.
+//---------------------------------------------------------------------------
+int wxJoystick::GetMaxButtons() const
+{ return wxJS_MAX_BUTTONS; }
+int wxJoystick::GetMaxAxes() const
+{ return wxJS_MAX_AXES; }
+int wxJoystick::GetPollingMin() const
+{ return 10; }
+int wxJoystick::GetPollingMax() const
+{ return 1000; }
+//---------------------------------------------------------------------------
+// wxJoystick::Has[XXX]
+//
+// Just queries the native hid implementation if the cookie was found
+// when enumerating the cookies of the joystick device
+//---------------------------------------------------------------------------
bool wxJoystick::HasZ() const
{ return m_hid->HasElement(wxJS_AXIS_Z); }
-
+bool wxJoystick::HasRudder() const
+{ return m_hid->HasElement(wxJS_AXIS_RUDDER); }
bool wxJoystick::HasU() const
{ return m_hid->HasElement(wxJS_AXIS_U); }
-
bool wxJoystick::HasV() const
{ return m_hid->HasElement(wxJS_AXIS_V); }
+//---------------------------------------------------------------------------
+// UNSUPPORTED
+//---------------------------------------------------------------------------
+int wxJoystick::GetPOVPosition() const
+{ return -1; }
+int wxJoystick::GetPOVCTSPosition() const
+{ return -1; }
+int wxJoystick::GetMovementThreshold() const
+{ return 0; }
+void wxJoystick::SetMovementThreshold(int threshold)
+{ }
bool wxJoystick::HasPOV() const
{ return false; }
-
bool wxJoystick::HasPOV4Dir() const
{ return false; }
-
bool wxJoystick::HasPOVCTS() const
{ return false; }
-////////////////////////////////////////////////////////////////////////////
-// Operations
-////////////////////////////////////////////////////////////////////////////
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//
+// wxHIDJoystick
+//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+//---------------------------------------------------------------------------
+// wxHIDJoystick ctor
+//
+// Initializes the min/max members
+//---------------------------------------------------------------------------
+wxHIDJoystick::wxHIDJoystick() :
+ m_nXMax(0), m_nYMax(0), m_nZMax(0), m_nRudderMax(0), m_nUMax(0), m_nVMax(0),
+ m_nXMin(0), m_nYMin(0), m_nZMin(0), m_nRudderMin(0), m_nUMin(0), m_nVMin(0)
+{
+}
-bool wxJoystick::SetCapture(wxWindow* win, int pollingFreq)
+//---------------------------------------------------------------------------
+// wxHIDJoystick dtor
+//
+// Nothing...
+//---------------------------------------------------------------------------
+wxHIDJoystick::~wxHIDJoystick()
{
- if (m_thread)
- {
- m_thread->m_catchwin = win;
- m_thread->m_polling = pollingFreq;
- return true;
- }
+}
+
+//---------------------------------------------------------------------------
+// wxHIDJoystick::Create
+//
+// Creates the native HID device (joysticks are of either
+// kHIDUsage_GD_Joystick or kHIDUsage_GD_GamePad)
+//---------------------------------------------------------------------------
+bool wxHIDJoystick::Create(int nWhich)
+{
+ int nJoysticks = GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick);
+
+ if (nWhich <= nJoysticks)
+ return wxHIDDevice::Create(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick);
+ else
+ nWhich -= nJoysticks;
+
+ int nGamePads = GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad);
+
+ if (nWhich <= nGamePads)
+ return wxHIDDevice::Create(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad);
+ else
return false;
}
-bool wxJoystick::ReleaseCapture()
+//---------------------------------------------------------------------------
+// wxHIDJoystick::BuildCookies
+// wxHIDJoystick::MakeCookies
+//
+// Sets up the cookies for the HID device (called from Create) - as
+// mentioned 0-40 are the buttons and 40-50 are the axes.
+//
+// MakeCookies is just a recursive function for each array within
+// BuildCookies.
+//---------------------------------------------------------------------------
+void wxHIDJoystick::BuildCookies(wxCFArray& Array)
{
- if (m_thread)
+ Array = CFDictionaryGetValue((CFDictionaryRef)Array[0], CFSTR(kIOHIDElementKey));
+ InitCookies(50, true);
+
+ memset(m_pCookies, 0, sizeof(*m_pCookies) * 50);
+
+ //
+ // I wasted two hours of my life on this line :(
+ // accidently removed it during some source cleaning...
+ //
+ MakeCookies(Array);
+
+ //paranoid debugging stuff
+#if 0
+ for(int i = 0; i < 50; ++i)
+ wxPrintf(wxT("\nVAL #%i:[%i]"), i, m_pCookies[i]);
+#endif
+}//end buildcookies
+
+void wxHIDJoystick::MakeCookies(wxCFArray& Array)
+{
+ int i, nUsage, nPage;
+
+ for (i = 0; i < Array.Count(); ++i)
{
- m_thread->m_catchwin = NULL;
- m_thread->m_polling = 0;
- return true;
+ const void* ref = CFDictionaryGetValue((CFDictionaryRef)Array[i], CFSTR(kIOHIDElementKey));
+
+ if (ref != NULL)
+ {
+ wxCFArray newarray(ref);
+ MakeCookies(newarray);
}
- return false;
+ else
+ {
+ CFNumberGetValue(
+ (CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) Array[i], CFSTR(kIOHIDElementUsageKey)),
+ kCFNumberIntType, &nUsage);
+
+ CFNumberGetValue(
+ (CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) Array[i], CFSTR(kIOHIDElementUsagePageKey)),
+ kCFNumberIntType, &nPage);
+
+#if 0
+ wxLogSysError(wxT("[%i][%i]"), nUsage, nPage);
+#endif
+ if (nPage == kHIDPage_Button && nUsage <= 40)
+ AddCookieInQueue(Array[i], nUsage-1 );
+ else if (nPage == kHIDPage_GenericDesktop)
+ {
+ //axis...
+ switch(nUsage)
+ {
+ case kHIDUsage_GD_X:
+ AddCookieInQueue(Array[i], wxJS_AXIS_X);
+ wxGetIntFromCFDictionary(Array[i], CFSTR(kIOHIDElementMaxKey),
+ &m_nXMax);
+ wxGetIntFromCFDictionary(Array[i], CFSTR(kIOHIDElementMinKey),
+ &m_nXMin);
+ break;
+ case kHIDUsage_GD_Y:
+ AddCookieInQueue(Array[i], wxJS_AXIS_Y);
+ wxGetIntFromCFDictionary(Array[i], CFSTR(kIOHIDElementMaxKey),
+ &m_nYMax);
+ wxGetIntFromCFDictionary(Array[i], CFSTR(kIOHIDElementMinKey),
+ &m_nYMin);
+ break;
+ case kHIDUsage_GD_Z:
+ AddCookieInQueue(Array[i], wxJS_AXIS_Z);
+ wxGetIntFromCFDictionary(Array[i], CFSTR(kIOHIDElementMaxKey),
+ &m_nZMax);
+ wxGetIntFromCFDictionary(Array[i], CFSTR(kIOHIDElementMinKey),
+ &m_nZMin);
+ break;
+ default:
+ break;
+ }
+ }
+ else if (nPage == kHIDPage_Simulation && nUsage == kHIDUsage_Sim_Rudder)
+ {
+ //rudder...
+ AddCookieInQueue(Array[i], wxJS_AXIS_RUDDER );
+ wxGetIntFromCFDictionary(Array[i], CFSTR(kIOHIDElementMaxKey),
+ &m_nRudderMax);
+ wxGetIntFromCFDictionary(Array[i], CFSTR(kIOHIDElementMinKey),
+ &m_nRudderMin);
+ }
+ }
+ }
}
+
+//---------------------------------------------------------------------------
+// wxHIDJoystick::Get[XXX]
+//
+// Simple accessors so that the HID callback and the thread procedure
+// can access members from wxHIDDevice (our parent here).
+//---------------------------------------------------------------------------
+IOHIDElementCookie* wxHIDJoystick::GetCookies()
+{ return m_pCookies; }
+IOHIDQueueInterface** wxHIDJoystick::GetQueue()
+{ return m_ppQueue; }
+
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//
+// wxJoystickThread
+//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+//---------------------------------------------------------------------------
+// wxJoystickThread Constructor
+//
+// Just initializes members
+//---------------------------------------------------------------------------
+wxJoystickThread::wxJoystickThread(wxHIDJoystick* hid, int joystick)
+ : m_hid(hid),
+ m_joystick(joystick),
+ m_lastposition(127,127),
+ m_buttons(0),
+ m_catchwin(NULL),
+ m_polling(0)
+{
+ memset(m_axe, 0, sizeof(int) * wxJS_MAX_AXES);
+}
+
+//---------------------------------------------------------------------------
+// wxJoystickThread::Entry
+//
+// Thread procedure
+//
+// Runs a CFRunLoop for polling. Basically, it sets the HID queue to
+// call wxJoystickThread::HIDCallback in the context of this thread
+// when something changes on the device. It polls as long as the user
+// wants, or a certain amount if the user wants to "block". Note that
+// we don't actually block here since this is in a secondary thread.
+//---------------------------------------------------------------------------
+void* wxJoystickThread::Entry()
+{
+ CFRunLoopSourceRef pRLSource = NULL;
+
+ if ((*m_hid->GetQueue())->createAsyncEventSource(
+ m_hid->GetQueue(), &pRLSource) != kIOReturnSuccess )
+ {
+ wxLogSysError(wxT("Couldn't create async event source"));
+ return NULL;
+ }
+
+ wxASSERT(pRLSource != NULL);
+
+ //attach runloop source to main run loop in thread
+ CFRunLoopRef pRL = CFRunLoopGetCurrent();
+ CFRunLoopAddSource(pRL, pRLSource, kCFRunLoopDefaultMode);
+ wxASSERT( CFRunLoopContainsSource(pRL, pRLSource, kCFRunLoopDefaultMode) );
+
+
+ if( (*m_hid->GetQueue())->setEventCallout(m_hid->GetQueue(),
+ wxJoystickThread::HIDCallback, this, this) != kIOReturnSuccess )
+ {
+ wxLogSysError(wxT("Could not set event callout for queue"));
+ return NULL;
+ }
+
+ if( (*m_hid->GetQueue())->start(m_hid->GetQueue()) != kIOReturnSuccess )
+ {
+ wxLogSysError(wxT("Could not start queue"));
+ return NULL;
+ }
+
+ double dTime;
+
+ while(true)
+ {
+ if (TestDestroy())
+ break;
+
+ if (m_polling)
+ dTime = 0.0001 * m_polling;
+ else
+ dTime = 0.0001 * 10; // check at least every 10 msec in "blocking" case
+
+ //true just "handles and returns" - false forces it to stay the time
+ //amount
+#if 1
+ CFRunLoopRunInMode(kCFRunLoopDefaultMode, dTime, true);
+#else
+ IOReturn ret = NULL;
+ HIDCallback(this, ret, this, this);
+ Sleep(3000);
#endif
- //OSX
+ }
+
+ wxASSERT( CFRunLoopContainsSource(pRL, pRLSource, kCFRunLoopDefaultMode) );
+
+ CFRunLoopRemoveSource(pRL, pRLSource, kCFRunLoopDefaultMode);
+ CFRelease(pRLSource);
+
+ return NULL;
+}
+
+//---------------------------------------------------------------------------
+// wxJoystickThread::HIDCallback (static)
+//
+// Callback for the native HID device when it recieves input.
+//
+// This is where the REAL dirty work gets done.
+//
+// 1) Loops through each event the queue has recieved
+// 2) First, checks if the thread that is running the loop for
+// the polling has ended - if so it breaks out
+// 3) Next, it checks if there was an error getting this event from
+// the HID queue, if there was, it logs an error and returns
+// 4) Now it does the real dirty work by getting the button states
+// from cookies 0-40 and axes positions/states from cookies 40-50
+// in the native HID device by quering cookie values.
+// 5) Sends the event to the polling window (if any)
+// 6) Gets the next event and goes back to (1)
+//---------------------------------------------------------------------------
+/*static*/ void wxJoystickThread::HIDCallback(void* target, IOReturn res,
+ void* context, void* sender)
+{
+ IOHIDEventStruct hidevent;
+ AbsoluteTime bogustime = {0,0};
+ IOReturn ret;
+ wxJoystickThread* pThis = (wxJoystickThread*) context;
+ wxHIDJoystick* m_hid = pThis->m_hid;
+
+ //Get the "first" event from the queue
+ //bogustime tells it we don't care at what time to start
+ //where it gets the next from
+ ret = (*m_hid->GetQueue())->getNextEvent(m_hid->GetQueue(),
+ &hidevent, bogustime, 0);
+ while (ret != kIOReturnUnderrun)
+ {
+ if (pThis->TestDestroy())
+ break;
+
+ if(ret != kIOReturnSuccess)
+ {
+ wxLogSysError(wxString::Format(wxT("wxJoystick Error:[%i]"), ret));
+ return;
+ }
+
+ wxJoystickEvent wxevent;
+
+ //Find the cookie that changed
+ int nIndex = 0;
+ IOHIDElementCookie* pCookies = m_hid->GetCookies();
+ while(nIndex < 50)
+ {
+ if(hidevent.elementCookie == pCookies[nIndex])
+ break;
+
+ ++nIndex;
+ }
+
+ //debugging stuff
+#if 0
+ if(nIndex == 50)
+ {
+ wxLogSysError(wxString::Format(wxT("wxJoystick Out Of Bounds Error")));
+ break;
+ }
#endif
- // wxUSE_JOYSTICK
+
+ //is the cookie a button?
+ if (nIndex < 40)
+ {
+ if (hidevent.value)
+ {
+ pThis->m_buttons |= (1 << nIndex);
+ wxevent.SetEventType(wxEVT_JOY_BUTTON_DOWN);
+ }
+ else
+ {
+ pThis->m_buttons &= ~(1 << nIndex);
+ wxevent.SetEventType(wxEVT_JOY_BUTTON_UP);
+ }
+
+ wxevent.SetButtonChange(nIndex+1);
+ }
+ else if (nIndex == wxJS_AXIS_X)
+ {
+ pThis->m_lastposition.x = hidevent.value;
+ wxevent.SetEventType(wxEVT_JOY_MOVE);
+ pThis->m_axe[0] = hidevent.value;
+ }
+ else if (nIndex == wxJS_AXIS_Y)
+ {
+ pThis->m_lastposition.y = hidevent.value;
+ wxevent.SetEventType(wxEVT_JOY_MOVE);
+ pThis->m_axe[1] = hidevent.value;
+ }
+ else if (nIndex == wxJS_AXIS_Z)
+ {
+ wxevent.SetEventType(wxEVT_JOY_ZMOVE);
+ pThis->m_axe[2] = hidevent.value;
+ }
+ else
+ wxevent.SetEventType(wxEVT_JOY_MOVE);
+
+ Nanoseconds timestamp = AbsoluteToNanoseconds(hidevent.timestamp);
+
+ wxULongLong llTime(timestamp.hi, timestamp.lo);
+
+ llTime /= 1000000;
+
+ wxevent.SetTimestamp(llTime.GetValue());
+ wxevent.SetJoystick(pThis->m_joystick);
+ wxevent.SetButtonState(pThis->m_buttons);
+ wxevent.SetPosition(pThis->m_lastposition);
+ wxevent.SetZPosition(pThis->m_axe[2]);
+ wxevent.SetEventObject(pThis->m_catchwin);
+
+ if (pThis->m_catchwin)
+ pThis->m_catchwin->AddPendingEvent(wxevent);
+
+ ret = (*m_hid->GetQueue())->getNextEvent(m_hid->GetQueue(),
+ &hidevent, bogustime, 0);
+ }
+}
+
+#endif // wxUSE_JOYSTICK && defined(__DARWIN__)
projects / wxWidgets.git / blobdiff