diff options
Diffstat (limited to 'src/glut/glx/glut_input.c')
| -rw-r--r-- | src/glut/glx/glut_input.c | 644 |
1 files changed, 0 insertions, 644 deletions
diff --git a/src/glut/glx/glut_input.c b/src/glut/glx/glut_input.c deleted file mode 100644 index 7d2eda00f7..0000000000 --- a/src/glut/glx/glut_input.c +++ /dev/null @@ -1,644 +0,0 @@ - -/* Copyright (c) Mark J. Kilgard, 1994, 1997, 1998. */ - -/* This program is freely distributable without licensing fees - and is provided without guarantee or warrantee expressed or - implied. This program is -not- in the public domain. */ - -#ifdef __VMS -#include <GL/vms_x_fix.h> -#endif - -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#if !defined(_WIN32) -#include <X11/Xlib.h> -#if defined(__vms) -#include <X11/XInput.h> -#else -#include <X11/extensions/XInput.h> -#endif -#include <X11/Xutil.h> -#else -#ifdef __MINGW32__ -#include <GL/gl.h> -#endif -#include <windows.h> -#ifndef __CYGWIN32__ -#include <mmsystem.h> /* Win32 Multimedia API header. */ -#endif -#endif /* !_WIN32 */ - -#include "glutint.h" - -int __glutNumDials = 0; -int __glutNumSpaceballButtons = 0; -int __glutNumButtonBoxButtons = 0; -int __glutNumTabletButtons = 0; -int __glutNumMouseButtons = 3; /* Good guess. */ -XDevice *__glutTablet = NULL; -XDevice *__glutDials = NULL; -XDevice *__glutSpaceball = NULL; - -int __glutHasJoystick = 0; -int __glutNumJoystickButtons = 0; -int __glutNumJoystickAxes = 0; - -#if !defined(_WIN32) -typedef struct _Range { - int min; - int range; -} Range; - -#define NUM_SPACEBALL_AXIS 6 -#define NUM_TABLET_AXIS 2 -#define NUM_DIALS_AXIS 8 - -Range __glutSpaceballRange[NUM_SPACEBALL_AXIS]; -Range __glutTabletRange[NUM_TABLET_AXIS]; -int *__glutDialsResolution; - -/* Safely assumes 0 is an illegal event type for X Input - extension events. */ -int __glutDeviceMotionNotify = 0; -int __glutDeviceButtonPress = 0; -int __glutDeviceButtonPressGrab = 0; -int __glutDeviceButtonRelease = 0; -int __glutDeviceStateNotify = 0; - -static int -normalizeTabletPos(int axis, int rawValue) -{ - assert(rawValue >= __glutTabletRange[axis].min); - assert(rawValue <= __glutTabletRange[axis].min - + __glutTabletRange[axis].range); - /* Normalize rawValue to between 0 and 4000. */ - return ((rawValue - __glutTabletRange[axis].min) * 4000) / - __glutTabletRange[axis].range; -} - -static int -normalizeDialAngle(int axis, int rawValue) -{ - /* XXX Assumption made that the resolution of the device is - number of clicks for one complete dial revolution. This - is true for SGI's dial & button box. */ - return (rawValue * 360.0) / __glutDialsResolution[axis]; -} - -static int -normalizeSpaceballAngle(int axis, int rawValue) -{ - assert(rawValue >= __glutSpaceballRange[axis].min); - assert(rawValue <= __glutSpaceballRange[axis].min + - __glutSpaceballRange[axis].range); - /* Normalize rawValue to between -1800 and 1800. */ - return ((rawValue - __glutSpaceballRange[axis].min) * 3600) / - __glutSpaceballRange[axis].range - 1800; -} - -static int -normalizeSpaceballDelta(int axis, int rawValue) -{ - assert(rawValue >= __glutSpaceballRange[axis].min); - assert(rawValue <= __glutSpaceballRange[axis].min + - __glutSpaceballRange[axis].range); - /* Normalize rawValue to between -1000 and 1000. */ - return ((rawValue - __glutSpaceballRange[axis].min) * 2000) / - __glutSpaceballRange[axis].range - 1000; -} - -static void -queryTabletPos(GLUTwindow * window) -{ - XDeviceState *state; - XInputClass *any; - XValuatorState *v; - int i; - - state = XQueryDeviceState(__glutDisplay, __glutTablet); - any = state->data; - for (i = 0; i < state->num_classes; i++) { -#if defined(__cplusplus) || defined(c_plusplus) - switch (any->c_class) { -#else - switch (any->class) { -#endif - case ValuatorClass: - v = (XValuatorState *) any; - if (v->num_valuators < 2) - goto end; - if (window->tabletPos[0] == -1) - window->tabletPos[0] = normalizeTabletPos(0, v->valuators[0]); - if (window->tabletPos[1] == -1) - window->tabletPos[1] = normalizeTabletPos(1, v->valuators[1]); - } - any = (XInputClass *) ((char *) any + any->length); - } -end: - XFreeDeviceState(state); -} - -static void -tabletPosChange(GLUTwindow * window, int first, int count, int *data) -{ - int i, value, genEvent = 0; - - for (i = first; i < first + count; i++) { - switch (i) { - case 0: /* X axis */ - case 1: /* Y axis */ - value = normalizeTabletPos(i, data[i - first]); - if (value != window->tabletPos[i]) { - window->tabletPos[i] = value; - genEvent = 1; - } - break; - } - } - if (window->tabletPos[0] == -1 || window->tabletPos[1] == -1) - queryTabletPos(window); - if (genEvent) - window->tabletMotion(window->tabletPos[0], window->tabletPos[1]); -} -#endif /* !_WIN32 */ - -static int -__glutProcessDeviceEvents(XEvent * event) -{ -#if !defined(_WIN32) - GLUTwindow *window; - - /* XXX Ugly code fan out. */ - - /* Can't use switch/case since X Input event types are - dynamic. */ - - if (__glutDeviceMotionNotify && event->type == __glutDeviceMotionNotify) { - XDeviceMotionEvent *devmot = (XDeviceMotionEvent *) event; - - window = __glutGetWindow(devmot->window); - if (window) { - if (__glutTablet - && devmot->deviceid == __glutTablet->device_id - && window->tabletMotion) { - tabletPosChange(window, devmot->first_axis, devmot->axes_count, - devmot->axis_data); - } else if (__glutDials - && devmot->deviceid == __glutDials->device_id - && window->dials) { - int i, first = devmot->first_axis, count = devmot->axes_count; - - for (i = first; i < first + count; i++) - window->dials(i + 1, - normalizeDialAngle(i, devmot->axis_data[i - first])); - } else if (__glutSpaceball - && devmot->deviceid == __glutSpaceball->device_id) { - /* XXX Assume that space ball motion events come in as - all the first 6 axes. Assume first 3 axes are XYZ - translations; second 3 axes are XYZ rotations. */ - if (devmot->first_axis == 0 && devmot->axes_count == 6) { - if (window->spaceMotion) - window->spaceMotion( - normalizeSpaceballDelta(0, devmot->axis_data[0]), - normalizeSpaceballDelta(1, devmot->axis_data[1]), - normalizeSpaceballDelta(2, devmot->axis_data[2])); - if (window->spaceRotate) - window->spaceRotate( - normalizeSpaceballAngle(3, devmot->axis_data[3]), - normalizeSpaceballAngle(4, devmot->axis_data[4]), - normalizeSpaceballAngle(5, devmot->axis_data[5])); - } - } - return 1; - } - } else if (__glutDeviceButtonPress - && event->type == __glutDeviceButtonPress) { - XDeviceButtonEvent *devbtn = (XDeviceButtonEvent *) event; - - window = __glutGetWindow(devbtn->window); - if (window) { - if (__glutTablet - && devbtn->deviceid == __glutTablet->device_id - && window->tabletButton - && devbtn->first_axis == 0 - && devbtn->axes_count == 2) { - tabletPosChange(window, devbtn->first_axis, devbtn->axes_count, - devbtn->axis_data); - window->tabletButton(devbtn->button, GLUT_DOWN, - window->tabletPos[0], window->tabletPos[1]); - } else if (__glutDials - && devbtn->deviceid == __glutDials->device_id - && window->buttonBox) { - window->buttonBox(devbtn->button, GLUT_DOWN); - } else if (__glutSpaceball - && devbtn->deviceid == __glutSpaceball->device_id - && window->spaceButton) { - window->spaceButton(devbtn->button, GLUT_DOWN); - } - return 1; - } - } else if (__glutDeviceButtonRelease - && event->type == __glutDeviceButtonRelease) { - XDeviceButtonEvent *devbtn = (XDeviceButtonEvent *) event; - - window = __glutGetWindow(devbtn->window); - if (window) { - if (__glutTablet - && devbtn->deviceid == __glutTablet->device_id - && window->tabletButton - && devbtn->first_axis == 0 - && devbtn->axes_count == 2) { - tabletPosChange(window, devbtn->first_axis, devbtn->axes_count, - devbtn->axis_data); - window->tabletButton(devbtn->button, GLUT_UP, - window->tabletPos[0], window->tabletPos[1]); - } else if (__glutDials - && devbtn->deviceid == __glutDials->device_id - && window->buttonBox) { - window->buttonBox(devbtn->button, GLUT_UP); - } else if (__glutSpaceball - && devbtn->deviceid == __glutSpaceball->device_id - && window->spaceButton) { - window->spaceButton(devbtn->button, GLUT_UP); - } - return 1; - } - } -#else - { - JOYINFOEX info; - JOYCAPS joyCaps; - - memset(&info, 0, sizeof(JOYINFOEX)); - info.dwSize = sizeof(JOYINFOEX); - info.dwFlags = JOY_RETURNALL; - - if (joyGetPosEx(JOYSTICKID1,&info) != JOYERR_NOERROR) { - __glutHasJoystick = 1; - joyGetDevCaps(JOYSTICKID1, &joyCaps, sizeof(joyCaps)); - __glutNumJoystickButtons = joyCaps.wNumButtons; - __glutNumJoystickAxes = joyCaps.wNumAxes; - } else { - __glutHasJoystick = 0; - __glutNumJoystickButtons = 0; - __glutNumJoystickAxes = 0; - } - } -#endif /* !_WIN32 */ - return 0; -} - -static GLUTeventParser eventParser = -{__glutProcessDeviceEvents, NULL}; - -#if !defined(_WIN32) -static void -addDeviceEventParser(void) -{ - static Bool been_here = False; - - if (been_here) - return; - been_here = True; - __glutRegisterEventParser(&eventParser); -} -#endif - -static int -probeDevices(void) -{ - static Bool been_here = False; - static int support; -#if !defined(_WIN32) - XExtensionVersion *version; - XDeviceInfoPtr device_info, device; - XAnyClassPtr any; - XButtonInfoPtr b; - XValuatorInfoPtr v; - XAxisInfoPtr a; - int num_dev = 0, btns = 0, dials = 0; - int i, j, k; -#endif /* !_WIN32 */ - - if (been_here) { - return support; - } - been_here = True; - -#if !defined(_WIN32) - version = XGetExtensionVersion(__glutDisplay, "XInputExtension"); - /* Ugh. XInput extension API forces annoying cast of a pointer - to a long so it can be compared with the NoSuchExtension - value (#defined to 1). */ - if (version == NULL || ((long) version) == NoSuchExtension) { - support = 0; - return support; - } - XFree(version); - device_info = XListInputDevices(__glutDisplay, &num_dev); - if (device_info) { - for (i = 0; i < num_dev; i++) { - /* XXX These are SGI names for these devices; - unfortunately, no good standard exists for standard - types of X input extension devices. */ - - device = &device_info[i]; - any = (XAnyClassPtr) device->inputclassinfo; - - if (!__glutSpaceball && !strcmp(device->name, "spaceball")) { - v = NULL; - b = NULL; - for (j = 0; j < device->num_classes; j++) { -#if defined(__cplusplus) || defined(c_plusplus) - switch (any->c_class) { -#else - switch (any->class) { -#endif - case ButtonClass: - b = (XButtonInfoPtr) any; - btns = b->num_buttons; - break; - case ValuatorClass: - v = (XValuatorInfoPtr) any; - /* Sanity check: at least 6 valuators? */ - if (v->num_axes < NUM_SPACEBALL_AXIS) - goto skip_device; - a = (XAxisInfoPtr) ((char *) v + sizeof(XValuatorInfo)); - for (k = 0; k < NUM_SPACEBALL_AXIS; k++, a++) { - __glutSpaceballRange[k].min = a->min_value; - __glutSpaceballRange[k].range = a->max_value - a->min_value; - } - break; - } - any = (XAnyClassPtr) ((char *) any + any->length); - } - if (v) { - __glutSpaceball = XOpenDevice(__glutDisplay, device->id); - if (__glutSpaceball) { - __glutNumSpaceballButtons = btns; - addDeviceEventParser(); - } - } - } else if (!__glutDials && !strcmp(device->name, "dial+buttons")) { - v = NULL; - b = NULL; - for (j = 0; j < device->num_classes; j++) { -#if defined(__cplusplus) || defined(c_plusplus) - switch (any->c_class) { -#else - switch (any->class) { -#endif - case ButtonClass: - b = (XButtonInfoPtr) any; - btns = b->num_buttons; - break; - case ValuatorClass: - v = (XValuatorInfoPtr) any; - /* Sanity check: at least 8 valuators? */ - if (v->num_axes < NUM_DIALS_AXIS) - goto skip_device; - dials = v->num_axes; - __glutDialsResolution = (int *) malloc(sizeof(int) * dials); - a = (XAxisInfoPtr) ((char *) v + sizeof(XValuatorInfo)); - for (k = 0; k < dials; k++, a++) { - __glutDialsResolution[k] = a->resolution; - } - break; - } - any = (XAnyClassPtr) ((char *) any + any->length); - } - if (v) { - __glutDials = XOpenDevice(__glutDisplay, device->id); - if (__glutDials) { - __glutNumButtonBoxButtons = btns; - __glutNumDials = dials; - addDeviceEventParser(); - } - } - } else if (!__glutTablet && !strcmp(device->name, "tablet")) { - v = NULL; - b = NULL; - for (j = 0; j < device->num_classes; j++) { -#if defined(__cplusplus) || defined(c_plusplus) - switch (any->c_class) { -#else - switch (any->class) { -#endif - case ButtonClass: - b = (XButtonInfoPtr) any; - btns = b->num_buttons; - break; - case ValuatorClass: - v = (XValuatorInfoPtr) any; - /* Sanity check: exactly 2 valuators? */ - if (v->num_axes != NUM_TABLET_AXIS) - goto skip_device; - a = (XAxisInfoPtr) ((char *) v + sizeof(XValuatorInfo)); - for (k = 0; k < NUM_TABLET_AXIS; k++, a++) { - __glutTabletRange[k].min = a->min_value; - __glutTabletRange[k].range = a->max_value - a->min_value; - } - break; - } - any = (XAnyClassPtr) ((char *) any + any->length); - } - if (v) { - __glutTablet = XOpenDevice(__glutDisplay, device->id); - if (__glutTablet) { - __glutNumTabletButtons = btns; - addDeviceEventParser(); - } - } - } else if (!strcmp(device->name, "mouse")) { - for (j = 0; j < device->num_classes; j++) { -#if defined(__cplusplus) || defined(c_plusplus) - if (any->c_class == ButtonClass) { -#else - if (any->class == ButtonClass) { -#endif - b = (XButtonInfoPtr) any; - __glutNumMouseButtons = b->num_buttons; - } - any = (XAnyClassPtr) ((char *) any + any->length); - } - } - skip_device:; - } - XFreeDeviceList(device_info); - } -#else /* _WIN32 */ - __glutNumMouseButtons = GetSystemMetrics(SM_CMOUSEBUTTONS); -#endif /* !_WIN32 */ - /* X Input extension might be supported, but only if there is - a tablet, dials, or spaceball do we claim devices are - supported. */ - support = __glutTablet || __glutDials || __glutSpaceball; - return support; -} - -void -__glutUpdateInputDeviceMask(GLUTwindow * window) -{ -#if !defined(_WIN32) - /* 5 (dial and buttons) + 5 (tablet locator and buttons) + 5 - (Spaceball buttons and axis) = 15 */ - XEventClass eventList[15]; - int rc, numEvents; - - rc = probeDevices(); - if (rc) { - numEvents = 0; - if (__glutTablet) { - if (window->tabletMotion) { - DeviceMotionNotify(__glutTablet, __glutDeviceMotionNotify, - eventList[numEvents]); - numEvents++; - } - if (window->tabletButton) { - DeviceButtonPress(__glutTablet, __glutDeviceButtonPress, - eventList[numEvents]); - numEvents++; - DeviceButtonPressGrab(__glutTablet, __glutDeviceButtonPressGrab, - eventList[numEvents]); - numEvents++; - DeviceButtonRelease(__glutTablet, __glutDeviceButtonRelease, - eventList[numEvents]); - numEvents++; - } - if (window->tabletMotion || window->tabletButton) { - DeviceStateNotify(__glutTablet, __glutDeviceStateNotify, - eventList[numEvents]); - numEvents++; - } - } - if (__glutDials) { - if (window->dials) { - DeviceMotionNotify(__glutDials, __glutDeviceMotionNotify, - eventList[numEvents]); - numEvents++; - } - if (window->buttonBox) { - DeviceButtonPress(__glutDials, __glutDeviceButtonPress, - eventList[numEvents]); - numEvents++; - DeviceButtonPressGrab(__glutDials, __glutDeviceButtonPressGrab, - eventList[numEvents]); - numEvents++; - DeviceButtonRelease(__glutDials, __glutDeviceButtonRelease, - eventList[numEvents]); - numEvents++; - } - if (window->dials || window->buttonBox) { - DeviceStateNotify(__glutDials, __glutDeviceStateNotify, - eventList[numEvents]); - numEvents++; - } - } - if (__glutSpaceball) { - if (window->spaceMotion || window->spaceRotate) { - DeviceMotionNotify(__glutSpaceball, __glutDeviceMotionNotify, - eventList[numEvents]); - numEvents++; - } - if (window->spaceButton) { - DeviceButtonPress(__glutSpaceball, __glutDeviceButtonPress, - eventList[numEvents]); - numEvents++; - DeviceButtonPressGrab(__glutSpaceball, __glutDeviceButtonPressGrab, - eventList[numEvents]); - numEvents++; - DeviceButtonRelease(__glutSpaceball, __glutDeviceButtonRelease, - eventList[numEvents]); - numEvents++; - } - if (window->spaceMotion || window->spaceRotate || window->spaceButton) { - DeviceStateNotify(__glutSpaceball, __glutDeviceStateNotify, - eventList[numEvents]); - numEvents++; - } - } -#if 0 - if (window->children) { - GLUTwindow *child = window->children; - - do { - XChangeDeviceDontPropagateList(__glutDisplay, child->win, - numEvents, eventList, AddToList); - child = child->siblings; - } while (child); - } -#endif - XSelectExtensionEvent(__glutDisplay, window->win, - eventList, numEvents); - if (window->overlay) { - XSelectExtensionEvent(__glutDisplay, window->overlay->win, - eventList, numEvents); - } - } else { - /* X Input extension not supported; no chance for exotic - input devices. */ - } -#endif /* !_WIN32 */ -} - -/* CENTRY */ -int GLUTAPIENTRY -glutDeviceGet(GLenum param) -{ - probeDevices(); - switch (param) { - case GLUT_HAS_KEYBOARD: - case GLUT_HAS_MOUSE: - /* Assume window system always has mouse and keyboard. */ - return 1; - case GLUT_HAS_SPACEBALL: - return __glutSpaceball != NULL; - case GLUT_HAS_DIAL_AND_BUTTON_BOX: - return __glutDials != NULL; - case GLUT_HAS_TABLET: - return __glutTablet != NULL; - case GLUT_NUM_MOUSE_BUTTONS: - return __glutNumMouseButtons; - case GLUT_NUM_SPACEBALL_BUTTONS: - return __glutNumSpaceballButtons; - case GLUT_NUM_BUTTON_BOX_BUTTONS: - return __glutNumButtonBoxButtons; - case GLUT_NUM_DIALS: - return __glutNumDials; - case GLUT_NUM_TABLET_BUTTONS: - return __glutNumTabletButtons; - case GLUT_DEVICE_IGNORE_KEY_REPEAT: - return __glutCurrentWindow->ignoreKeyRepeat; -#ifndef _WIN32 - case GLUT_DEVICE_KEY_REPEAT: - { - XKeyboardState state; - - XGetKeyboardControl(__glutDisplay, &state); - return state.global_auto_repeat; - } - case GLUT_JOYSTICK_POLL_RATE: - return 0; -#else - case GLUT_DEVICE_KEY_REPEAT: - /* Win32 cannot globally disable key repeat. */ - return GLUT_KEY_REPEAT_ON; - case GLUT_JOYSTICK_POLL_RATE: - return __glutCurrentWindow->joyPollInterval; -#endif - case GLUT_HAS_JOYSTICK: - return __glutHasJoystick; - case GLUT_JOYSTICK_BUTTONS: - return __glutNumJoystickButtons; - case GLUT_JOYSTICK_AXES: - return __glutNumJoystickAxes; - default: - __glutWarning("invalid glutDeviceGet parameter: %d", param); - return -1; - } -} -/* ENDCENTRY */ |