+/////////////////////////////////////////////////////////////////////////////
+// Name: 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
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "joystick.h"
+#endif
+
+#include <linux/joystick.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include "wx/event.h"
+#include "wx/window.h"
+#include "wx/gtk/joystick.h"
+
+#define JOYSTICK_AXE_MAX 32767
+#define JOYSTICK_AXE_MIN -32767
+
+IMPLEMENT_DYNAMIC_CLASS(wxJoystick, wxObject)
+
+wxJoystick::wxJoystick(int joystick)
+{
+ wxString dev_name;
+ // Assume it's the same device name on all Linux systems ...
+ dev_name.Printf("/dev/js%d", (joystick == wxJOYSTICK1) ? 0 : 1);
+
+ m_joystick = open(dev_name, O_RDWR);
+ m_lastposition = wxPoint(-1, -1);
+ for (int i=0;i<15;i++)
+ m_axe[i] = 0;
+ if (m_joystick != -1)
+ Create();
+}
+
+////////////////////////////////////////////////////////////////////////////
+// Background thread
+////////////////////////////////////////////////////////////////////////////
+void *wxJoystick::Entry(void)
+{
+ struct js_event j_evt;
+ wxJoystickEvent jwx_event;
+ fd_set read_fds;
+ struct timeval time_out = {0, 0};
+
+ FD_ZERO(&read_fds);
+ DeferDestroy(TRUE);
+ while (1) {
+ TestDestroy();
+
+ if (m_polling) {
+ FD_SET(m_joystick, &read_fds);
+ select(m_joystick+1, &read_fds, NULL, NULL, &time_out);
+ if (FD_ISSET(m_joystick, &read_fds))
+ read(m_joystick, &j_evt, sizeof(j_evt));
+ else
+ j_evt.type = 0;
+ } else {
+ read(m_joystick, &j_evt, sizeof(j_evt));
+ }
+
+ if ((j_evt.type & JS_EVENT_AXIS) == JS_EVENT_AXIS) {
+ switch (j_evt.number) {
+ case 1:
+ m_lastposition.x = j_evt.value;
+ jwx_event.SetEventType(wxEVT_JOY_MOVE);
+ break;
+ case 2:
+ m_lastposition.y = j_evt.value;
+ jwx_event.SetEventType(wxEVT_JOY_MOVE);
+ break;
+ case 3:
+ m_axe[3] = j_evt.value;
+ jwx_event.SetEventType(wxEVT_JOY_ZMOVE);
+ break;
+ default:
+ m_axe[j_evt.number] = j_evt.value;
+ jwx_event.SetEventType(wxEVT_JOY_MOVE);
+ break;
+ }
+ jwx_event.SetPosition(m_lastposition);
+ jwx_event.SetZPosition(m_axe[3]);
+ }
+ if ((j_evt.type & JS_EVENT_BUTTON) == JS_EVENT_BUTTON) {
+ register int mask = 1 << j_evt.number;
+ char button = m_buttons & mask;
+
+ m_buttons &= ~mask;
+ if (button) {
+ jwx_event.SetEventType(wxEVT_JOY_BUTTON_UP);
+ } else {
+ jwx_event.SetEventType(wxEVT_JOY_BUTTON_DOWN);
+ m_buttons |= mask;
+ }
+
+ jwx_event.SetButtonState(m_buttons);
+ jwx_event.SetButtonChange(j_evt.number);
+ }
+ }
+ if (m_catchwin)
+ m_catchwin->ProcessEvent(jwx_event);
+ if (m_polling)
+ usleep(m_polling*1000);
+}
+
+////////////////////////////////////////////////////////////////////////////
+// State
+////////////////////////////////////////////////////////////////////////////
+
+wxPoint wxJoystick::GetPosition(void) const
+{
+ return m_lastposition;
+}
+
+int wxJoystick::GetZPosition(void) const
+{
+ return m_axe[3];
+}
+
+int wxJoystick::GetButtonState(void) const
+{
+ return m_buttons;
+}
+
+int wxJoystick::GetPOVPosition(void) const
+{
+ return 0;
+}
+
+int wxJoystick::GetPOVCTSPosition(void) const
+{
+ return 0;
+}
+
+int wxJoystick::GetRudderPosition(void) const
+{
+ return m_axe[4];
+}
+
+int wxJoystick::GetUPosition(void) const
+{
+ return m_axe[5];
+}
+
+int wxJoystick::GetVPosition(void) const
+{
+ return m_axe[6];
+}
+
+int wxJoystick::GetMovementThreshold(void) const
+{
+ return 0;
+}
+
+void wxJoystick::SetMovementThreshold(int threshold)
+{
+}
+
+////////////////////////////////////////////////////////////////////////////
+// Capabilities
+////////////////////////////////////////////////////////////////////////////
+
+bool wxJoystick::IsOk(void) const
+{
+ return (m_joystick != -1);
+}
+
+int wxJoystick::GetNumberJoysticks(void) const
+{
+ wxString dev_name;
+ int fd, j;
+
+ for (j=0;j<2;j++) {
+ dev_name.Printf("/dev/js%d", j);
+ fd = open(dev_name, O_RDONLY);
+ if (fd == -1)
+ return j;
+ close(fd);
+ }
+ return j;
+}
+
+int wxJoystick::GetManufacturerId(void) const
+{
+ return 0;
+}
+
+int wxJoystick::GetProductId(void) const
+{
+ return 0;
+}
+
+wxString wxJoystick::GetProductName(void) const
+{
+ return "";
+}
+
+int wxJoystick::GetXMin(void) const
+{
+ return JOYSTICK_AXE_MAX;
+}
+
+int wxJoystick::GetYMin(void) const
+{
+ return JOYSTICK_AXE_MAX;
+}
+
+int wxJoystick::GetZMin(void) const
+{
+ return JOYSTICK_AXE_MAX;
+}
+
+int wxJoystick::GetXMax(void) const
+{
+ return JOYSTICK_AXE_MAX;
+}
+
+int wxJoystick::GetYMax(void) const
+{
+ return JOYSTICK_AXE_MAX;
+}
+
+int wxJoystick::GetZMax(void) const
+{
+ return JOYSTICK_AXE_MAX;
+}
+
+int wxJoystick::GetNumberButtons(void) const
+{
+ int nb;
+
+ ioctl(m_joystick, JSIOCGBUTTONS, &nb);
+
+ return nb;
+}
+
+int wxJoystick::GetNumberAxes(void) const
+{
+ int nb;
+
+ ioctl(m_joystick, JSIOCGAXES, &nb);
+
+ return nb;
+}
+
+int wxJoystick::GetMaxButtons(void) const
+{
+ return 15; // internal
+}
+
+int wxJoystick::GetMaxAxes(void) const
+{
+ return 15; // internal
+}
+
+int wxJoystick::GetPollingMin(void) const
+{
+ return -1;
+}
+
+int wxJoystick::GetPollingMax(void) const
+{
+ return -1;
+}
+
+int wxJoystick::GetRudderMin(void) const
+{
+ return JOYSTICK_AXE_MIN;
+}
+
+int wxJoystick::GetRudderMax(void) const
+{
+ return JOYSTICK_AXE_MAX;
+}
+
+int wxJoystick::GetUMin(void) const
+{
+ return JOYSTICK_AXE_MIN;
+}
+
+int wxJoystick::GetUMax(void) const
+{
+ return JOYSTICK_AXE_MAX;
+}
+
+int wxJoystick::GetVMin(void) const
+{
+ return JOYSTICK_AXE_MIN;
+}
+
+int wxJoystick::GetVMax(void) const
+{
+ return JOYSTICK_AXE_MAX;
+}
+
+bool wxJoystick::HasRudder(void) const
+{
+ return GetNumberAxes() >= 4;
+}
+
+bool wxJoystick::HasZ(void) const
+{
+ return GetNumberAxes() >= 3;
+}
+
+bool wxJoystick::HasU(void) const
+{
+ return GetNumberAxes() >= 5;
+}
+
+bool wxJoystick::HasV(void) const
+{
+ return GetNumberAxes() >= 6;
+}
+
+bool wxJoystick::HasPOV(void) const
+{
+ return FALSE;
+}
+
+bool wxJoystick::HasPOV4Dir(void) const
+{
+ return FALSE;
+}
+
+bool wxJoystick::HasPOVCTS(void) const
+{
+ return FALSE;
+}
+
+////////////////////////////////////////////////////////////////////////////
+// Operations
+////////////////////////////////////////////////////////////////////////////
+
+bool wxJoystick::SetCapture(wxWindow* win, int pollingFreq = 0)
+{
+ m_catchwin = win;
+ m_polling = pollingFreq;
+ return TRUE;
+}
+
+bool wxJoystick::ReleaseCapture(void)
+{
+ m_catchwin = NULL;
+ m_polling = 0;
+ return TRUE;
+}
+
projects / wxWidgets.git / commitdiff
