sdl-ios-xcode: src/joystick/darwin/SDL

annotate src/joystick/darwin/SDL_sysjoystick.c @ 196:c4c4b221a5e5

*** empty log message ***

author	Sam Lantinga <slouken@libsdl.org>
date	Sun, 23 Sep 2001 21:58:52 +0000
parents	37e3ca9254c7
children	ab4abaf66814

rev	line source
172 37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Library General Public License for more details.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@devolution.com
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22
196 c4c4b221a5e5 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 172 diff changeset	23 /* SDL joystick driver for Darwin / MacOS X, based on the IOKit HID API */
172 37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 /* Written 2001 by Max Horn */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 #include <stdio.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 #include <stdlib.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 #include <unistd.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 #include <ctype.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 #include <sys/errno.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 #include <sysexits.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 #include <mach/mach.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 #include <mach/mach_error.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 #include <IOKit/IOKitLib.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 #include <IOKit/IOCFPlugIn.h>
196 c4c4b221a5e5 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 172 diff changeset	36 #include <IOKit/hidsystem/IOHIDUsageTables.h>
172 37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 #include <IOKit/hid/IOHIDLib.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 #include <IOKit/hid/IOHIDKeys.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 #include <CoreFoundation/CoreFoundation.h>
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 #include "SDL_error.h"
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 #include "SDL_joystick.h"
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 #include "SDL_sysjoystick.h"
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 #include "SDL_joystick_c.h"
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 struct recElement
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 IOHIDElementCookie cookie; // unique value which identifies element, will NOT change
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 long min; // reported min value possible
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 long max; // reported max value possible
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 /*
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 TODO: maybe should handle the following stuff somehow?
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 long scaledMin; // reported scaled min value possible
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 long scaledMax; // reported scaled max value possible
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 long size; // size in bits of data return from element
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 Boolean relative; // are reports relative to last report (deltas)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 Boolean wrapping; // does element wrap around (one value higher than max is min)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 Boolean nonLinear; // are the values reported non-linear relative to element movement
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 Boolean preferredState; // does element have a preferred state (such as a button)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 Boolean nullState; // does element have null state
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 /* runtime variables used for auto-calibration */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 long minReport; // min returned value
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 long maxReport; // max returned value
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 struct recElement * pNext; // next element in list
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 };
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 typedef struct recElement recElement;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 struct joystick_hwdata
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 IOHIDDeviceInterface ** interface; // interface to device, NULL = no interface
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 char product[256]; // name of product
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 long usage; // usage page from IOUSBHID Parser.h which defines general usage
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 long usagePage; // usage within above page from IOUSBHID Parser.h which defines specific usage
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 long axes; // number of axis (calculated, not reported by device)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 long buttons; // number of buttons (calculated, not reported by device)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 long hats; // number of hat switches (calculated, not reported by device)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 long elements; // number of total elements (shouldbe total of above) (calculated, not reported by device)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 recElement* firstAxis;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 recElement* firstButton;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 recElement* firstHat;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 struct recDevice* pNext; // next device
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 };
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 typedef struct joystick_hwdata recDevice;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 /* Linked list of all available devices */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 static recDevice *gpDeviceList = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 void HIDReportErrorNum (char * strError, long numError)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 SDL_SetError(strError);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 static void HIDGetCollectionElements (CFMutableDictionaryRef deviceProperties, recDevice *pDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 /* returns current value for element, polling element
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 * will return 0 on error conditions which should be accounted for by application
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 SInt32 HIDGetElementValue (recDevice pDevice, recElement pElement)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 IOReturn result = kIOReturnSuccess;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 IOHIDEventStruct hidEvent;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 hidEvent.value = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 if (NULL != pDevice && NULL != pElement && NULL != pDevice->interface)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 result = (*(pDevice->interface))->getElementValue(pDevice->interface, pElement->cookie, &hidEvent);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 if (kIOReturnSuccess == result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 /* record min and max for auto calibration */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 if (hidEvent.value < pElement->minReport)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 pElement->minReport = hidEvent.value;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 if (hidEvent.value > pElement->maxReport)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 pElement->maxReport = hidEvent.value;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 // auto user scale
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 return hidEvent.value;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 /* similiar to HIDGetElementValue, but auto-calibrates the value before returning it */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 SInt32 HIDCalibratedValue (recDevice pDevice, recElement pElement)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 float deviceScale = pElement->max - pElement->min;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 float readScale = pElement->maxReport - pElement->minReport;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 SInt32 value = HIDGetElementValue(pDevice, pElement);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 if (readScale == 0)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 return value; // no scaling at all
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 else
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 return ((value - pElement->minReport) * deviceScale / readScale) + pElement->min;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 /* similiar to HIDCalibratedValue but calibrates to an arbitrary scale instead of the elements default scale */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 SInt32 HIDScaledCalibratedValue (recDevice pDevice, recElement pElement, long min, long max)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 float deviceScale = max - min;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 float readScale = pElement->maxReport - pElement->minReport;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 SInt32 value = HIDGetElementValue(pDevice, pElement);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 if (readScale == 0)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 return value; // no scaling at all
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 else
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 return ((value - pElement->minReport) * deviceScale / readScale) + min;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 /* Create and open an interface to device, required prior to extracting values or building queues.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 * Note: appliction now owns the device and must close and release it prior to exiting
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 IOReturn HIDCreateOpenDeviceInterface (io_object_t hidDevice, recDevice *pDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 IOReturn result = kIOReturnSuccess;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 HRESULT plugInResult = S_OK;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 SInt32 score = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 IOCFPlugInInterface ** ppPlugInInterface = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 if (NULL == pDevice->interface)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 result = IOCreatePlugInInterfaceForService (hidDevice, kIOHIDDeviceUserClientTypeID,
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 kIOCFPlugInInterfaceID, &ppPlugInInterface, &score);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 if (kIOReturnSuccess == result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 // Call a method of the intermediate plug-in to create the device interface
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 plugInResult = (*ppPlugInInterface)->QueryInterface (ppPlugInInterface,
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 CFUUIDGetUUIDBytes (kIOHIDDeviceInterfaceID), (void *) &(pDevice->interface));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 if (S_OK != plugInResult)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 HIDReportErrorNum ("Couldn�t query HID class device interface from plugInInterface", plugInResult);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 (*ppPlugInInterface)->Release (ppPlugInInterface);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 else
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 HIDReportErrorNum ("Failed to create **plugInInterface via IOCreatePlugInInterfaceForService.", result);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 if (NULL != pDevice->interface)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 result = (*(pDevice->interface))->open (pDevice->interface, 0);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 if (kIOReturnSuccess != result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 HIDReportErrorNum ("Failed to open pDevice->interface via open.", result);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 return result;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 /* Closes and releases interface to device, should be done prior to exting application
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 * Note: will have no affect if device or interface do not exist
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 * application will "own" the device if interface is not closed
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 * (device may have to be plug and re-plugged in different location to get it working again without a restart)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 IOReturn HIDCloseReleaseInterface (recDevice *pDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 IOReturn result = kIOReturnSuccess;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 if ((NULL != pDevice) && (NULL != pDevice->interface))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 // close the interface
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 result = (*(pDevice->interface))->close (pDevice->interface);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 if (kIOReturnNotOpen == result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 // do nothing as device was not opened, thus can't be closed
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 else if (kIOReturnSuccess != result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 HIDReportErrorNum ("Failed to close IOHIDDeviceInterface.", result);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 //release the interface
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 result = (*(pDevice->interface))->Release (pDevice->interface);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 if (kIOReturnSuccess != result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 HIDReportErrorNum ("Failed to release IOHIDDeviceInterface.", result);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 pDevice->interface = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 return result;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 /* extracts actual specific element information from each element CF dictionary entry */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 static void HIDGetElementInfo (CFTypeRef refElement, recElement *pElement)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 long number;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 CFTypeRef refType;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementCookieKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 if (refType && CFNumberGetValue (refType, kCFNumberLongType, &number))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 pElement->cookie = (IOHIDElementCookie) number;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementMinKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 if (refType && CFNumberGetValue (refType, kCFNumberLongType, &number))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 pElement->min = number;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 pElement->maxReport = pElement->min;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementMaxKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 if (refType && CFNumberGetValue (refType, kCFNumberLongType, &number))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 pElement->max = number;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 pElement->minReport = pElement->max;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 /*
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 TODO: maybe should handle the following stuff somehow?
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementScaledMinKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 if (refType && CFNumberGetValue (refType, kCFNumberLongType, &number))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 pElement->scaledMin = number;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementScaledMaxKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 if (refType && CFNumberGetValue (refType, kCFNumberLongType, &number))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 pElement->scaledMax = number;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementSizeKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 if (refType && CFNumberGetValue (refType, kCFNumberLongType, &number))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 pElement->size = number;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementIsRelativeKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 if (refType)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 pElement->relative = CFBooleanGetValue (refType);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementIsWrappingKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 if (refType)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 pElement->wrapping = CFBooleanGetValue (refType);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementIsNonLinearKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 if (refType)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 pElement->nonLinear = CFBooleanGetValue (refType);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementHasPreferedStateKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 if (refType)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 pElement->preferredState = CFBooleanGetValue (refType);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementHasNullStateKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 if (refType)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 pElement->nullState = CFBooleanGetValue (refType);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 /* examines CF dictionary vlaue in device element hierarchy to determine if it is element of interest or a collection of more elements
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 * if element of interest allocate storage, add to list and retrieve element specific info
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 * if collection then pass on to deconstruction collection into additional individual elements
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 static void HIDAddElement (CFTypeRef refElement, recDevice* pDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 recElement* element = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 recElement** headElement = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 long elementType, usagePage, usage;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 CFTypeRef refElementType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementTypeKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 CFTypeRef refUsagePage = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementUsagePageKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 CFTypeRef refUsage = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementUsageKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 if ((refElementType) && (CFNumberGetValue (refElementType, kCFNumberLongType, &elementType)))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 /* look at types of interest */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 if ((elementType == kIOHIDElementTypeInput_Misc) \|\| (elementType == kIOHIDElementTypeInput_Button) \|\|
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 (elementType == kIOHIDElementTypeInput_Axis))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 if (refUsagePage && CFNumberGetValue (refUsagePage, kCFNumberLongType, &usagePage) &&
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 refUsage && CFNumberGetValue (refUsage, kCFNumberLongType, &usage))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 switch (usagePage) /* only interested in kHIDPage_GenericDesktop and kHIDPage_Button */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 case kHIDPage_GenericDesktop:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 switch (usage) /* look at usage to determine function */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 case kHIDUsage_GD_X:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 case kHIDUsage_GD_Y:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 case kHIDUsage_GD_Z:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 case kHIDUsage_GD_Rx:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 case kHIDUsage_GD_Ry:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 case kHIDUsage_GD_Rz:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 element = (recElement *) NewPtrClear (sizeof (recElement));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 if (element)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 pDevice->axes++;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 headElement = &(pDevice->firstAxis);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 case kHIDUsage_GD_Hatswitch:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 element = (recElement *) NewPtrClear (sizeof (recElement));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 if (element)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 pDevice->hats++;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 headElement = &(pDevice->firstHat);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 case kHIDPage_Button:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 element = (recElement *) NewPtrClear (sizeof (recElement));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 if (element)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 pDevice->buttons++;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 headElement = &(pDevice->firstButton);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 default:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 else if (kIOHIDElementTypeCollection == elementType)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 HIDGetCollectionElements ((CFMutableDictionaryRef) refElement, pDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 if (element && headElement) /* add to list */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 pDevice->elements++;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 if (NULL == *headElement)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 *headElement = element;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 else
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 recElement elementPrevious, elementCurrent;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 elementCurrent = *headElement;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 while (elementCurrent)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 elementPrevious = elementCurrent;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 elementCurrent = elementPrevious->pNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 elementPrevious->pNext = element;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 element->pNext = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 HIDGetElementInfo (refElement, element);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 /* collects information from each array member in device element list (each array memeber = element) */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 static void HIDGetElementsCFArrayHandler (const void * value, void * parameter)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 if (CFGetTypeID (value) == CFDictionaryGetTypeID ())
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 HIDAddElement ((CFTypeRef) value, (recDevice *) parameter);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 /* handles retrieval of element information from arrays of elements in device IO registry information */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 static void HIDGetElements (CFTypeRef refElementCurrent, recDevice *pDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 CFTypeID type = CFGetTypeID (refElementCurrent);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 if (type == CFArrayGetTypeID()) /* if element is an array */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 CFRange range = {0, CFArrayGetCount (refElementCurrent)};
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 /* CountElementsCFArrayHandler called for each array member */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 CFArrayApplyFunction (refElementCurrent, range, HIDGetElementsCFArrayHandler, pDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 /* handles extracting element information from element collection CF types
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 * used from top level element decoding and hierarchy deconstruction to flatten device element list
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 static void HIDGetCollectionElements (CFMutableDictionaryRef deviceProperties, recDevice *pDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 CFTypeRef refElementTop = CFDictionaryGetValue (deviceProperties, CFSTR(kIOHIDElementKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 if (refElementTop)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 HIDGetElements (refElementTop, pDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 /* use top level element usage page and usage to discern device usage page and usage setting appropriate vlaues in device record */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 static void HIDTopLevelElementHandler (const void * value, void * parameter)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 CFTypeRef refCF = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 if (CFGetTypeID (value) != CFDictionaryGetTypeID ())
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 return;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 refCF = CFDictionaryGetValue (value, CFSTR(kIOHIDElementUsagePageKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 if (!CFNumberGetValue (refCF, kCFNumberLongType, &((recDevice *) parameter)->usagePage))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 SDL_SetError ("CFNumberGetValue error retrieving pDevice->usagePage.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 refCF = CFDictionaryGetValue (value, CFSTR(kIOHIDElementUsageKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 if (!CFNumberGetValue (refCF, kCFNumberLongType, &((recDevice *) parameter)->usage))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 SDL_SetError ("CFNumberGetValue error retrieving pDevice->usage.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 /* extracts device info from CF dictionary records in IO registry */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 static void HIDGetDeviceInfo (io_object_t hidDevice, CFMutableDictionaryRef hidProperties, recDevice *pDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 CFMutableDictionaryRef usbProperties = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 io_registry_entry_t parent1, parent2;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417 /* Mac OS X currently is not mirroring all USB properties to HID page so need to look at USB device page also
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 * get dictionary for usb properties: step up two levels and get CF dictionary for USB properties
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 if ((KERN_SUCCESS == IORegistryEntryGetParentEntry (hidDevice, kIOServicePlane, &parent1)) &&
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 (KERN_SUCCESS == IORegistryEntryGetParentEntry (parent1, kIOServicePlane, &parent2)) &&
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 (KERN_SUCCESS == IORegistryEntryCreateCFProperties (parent2, &usbProperties, kCFAllocatorDefault, kNilOptions)))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 if (usbProperties)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 CFTypeRef refCF = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 /* get device info
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428 * try hid dictionary first, if fail then go to usb dictionary
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 /* get product name */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 refCF = CFDictionaryGetValue (hidProperties, CFSTR(kIOHIDProductKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 if (!refCF)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 refCF = CFDictionaryGetValue (usbProperties, CFSTR("USB Product Name"));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 if (refCF)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 if (!CFStringGetCString (refCF, pDevice->product, 256, CFStringGetSystemEncoding ()))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 SDL_SetError ("CFStringGetCString error retrieving pDevice->product.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 /* get usage page and usage */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 refCF = CFDictionaryGetValue (hidProperties, CFSTR(kIOHIDPrimaryUsagePageKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 if (refCF)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 if (!CFNumberGetValue (refCF, kCFNumberLongType, &pDevice->usagePage))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 SDL_SetError ("CFNumberGetValue error retrieving pDevice->usagePage.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 refCF = CFDictionaryGetValue (hidProperties, CFSTR(kIOHIDPrimaryUsageKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 if (refCF)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 if (!CFNumberGetValue (refCF, kCFNumberLongType, &pDevice->usage))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 SDL_SetError ("CFNumberGetValue error retrieving pDevice->usage.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 if (NULL == refCF) /* get top level element HID usage page or usage */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 /* use top level element instead */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 CFTypeRef refCFTopElement = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 refCFTopElement = CFDictionaryGetValue (hidProperties, CFSTR(kIOHIDElementKey));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 /* refCFTopElement points to an array of element dictionaries */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 CFRange range = {0, CFArrayGetCount (refCFTopElement)};
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 CFArrayApplyFunction (refCFTopElement, range, HIDTopLevelElementHandler, pDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 CFRelease (usbProperties);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 else
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 SDL_SetError ("IORegistryEntryCreateCFProperties failed to create usbProperties.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 if (kIOReturnSuccess != IOObjectRelease (parent2))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 SDL_SetError ("IOObjectRelease error with parent2.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 if (kIOReturnSuccess != IOObjectRelease (parent1))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 SDL_SetError ("IOObjectRelease error with parent1.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 static recDevice *HIDBuildDevice (io_object_t hidDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 recDevice pDevice = (recDevice ) NewPtrClear (sizeof (recDevice));
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 if (pDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 /* get dictionary for HID properties */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 CFMutableDictionaryRef hidProperties = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 kern_return_t result = IORegistryEntryCreateCFProperties (hidDevice, &hidProperties, kCFAllocatorDefault, kNilOptions);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 if ((result == KERN_SUCCESS) && hidProperties)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 /* create device interface */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 result = HIDCreateOpenDeviceInterface (hidDevice, pDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 if (kIOReturnSuccess == result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 HIDGetDeviceInfo (hidDevice, hidProperties, pDevice); /* hidDevice used to find parents in registry tree */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 HIDGetCollectionElements (hidProperties, pDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 else
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 DisposePtr(pDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 pDevice = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 CFRelease (hidProperties);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 else
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 DisposePtr(pDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 pDevice = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 return pDevice;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512 /* disposes of the element list associated with a device and the memory associated with the list
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 static void HIDDisposeElementList (recElement **elementList)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 recElement pElement = elementList;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 while (pElement)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520 recElement *pElementNext = pElement->pNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 DisposePtr ((Ptr) pElement);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522 pElement = pElementNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 *elementList = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 /* disposes of a single device, closing and releaseing interface, freeing memory fro device and elements, setting device pointer to NULL
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528 * all your device no longer belong to us... (i.e., you do not 'own' the device anymore)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531 static recDevice HIDDisposeDevice (recDevice *ppDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 kern_return_t result = KERN_SUCCESS;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 recDevice *pDeviceNext = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 if (*ppDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 // save next device prior to disposing of this device
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 pDeviceNext = (*ppDevice)->pNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 /* free element lists */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541 HIDDisposeElementList (&(*ppDevice)->firstAxis);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 HIDDisposeElementList (&(*ppDevice)->firstButton);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 HIDDisposeElementList (&(*ppDevice)->firstHat);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	545 result = HIDCloseReleaseInterface (ppDevice); / function sanity checks interface value (now application does not own device) */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546 if (kIOReturnSuccess != result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 HIDReportErrorNum ("HIDCloseReleaseInterface failed when trying to dipose device.", result);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 DisposePtr ((Ptr)*ppDevice);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 *ppDevice = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 return pDeviceNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555 /* Function to scan the system for joysticks.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556 * Joystick 0 should be the system default joystick.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 * This function should return the number of available joysticks, or -1
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 * on an unrecoverable fatal error.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 int SDL_SYS_JoystickInit(void)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562 IOReturn result = kIOReturnSuccess;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	563 mach_port_t masterPort = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 io_iterator_t hidObjectIterator = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565 CFMutableDictionaryRef hidMatchDictionary = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 recDevice device, lastDevice;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 io_object_t ioHIDDeviceObject = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 UInt32 usagePage = kHIDPage_GenericDesktop;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 UInt32 usage = kHIDUsage_GD_Joystick; /* We probably also should check for gamepads? */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571 SDL_numjoysticks = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 if (NULL != gpDeviceList)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575 SDL_SetError("Joystick: Device list already inited.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576 return -1;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 result = IOMasterPort (bootstrap_port, &masterPort);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	580 if (kIOReturnSuccess != result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582 SDL_SetError("Joystick: IOMasterPort error with bootstrap_port.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	583 return -1;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 /* Set up a matching dictionary to search I/O Registry by class name for all HID class devices. */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587 hidMatchDictionary = IOServiceMatching (kIOHIDDeviceKey);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 if ((hidMatchDictionary != NULL) && (usagePage) && (usage))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 /* Add key for device type (joystick, in this case) to refine the matching dictionary. */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591 CFNumberRef refUsage = NULL, refUsagePage = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 refUsage = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &usagePage);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 CFDictionarySetValue (hidMatchDictionary, CFSTR (kIOHIDPrimaryUsageKey), refUsage);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 refUsagePage = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &usage);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 CFDictionarySetValue (hidMatchDictionary, CFSTR (kIOHIDPrimaryUsagePageKey), refUsagePage);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 else
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600 SDL_SetError("Joystick: Failed to get HID CFMutableDictionaryRef via IOServiceMatching.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 return -1;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604 // Now search I/O Registry for matching devices. /
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	605 result = IOServiceGetMatchingServices (masterPort, hidMatchDictionary, &hidObjectIterator);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606 /* Check for errors */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 if ((kIOReturnSuccess != result) \|\| (NULL == hidObjectIterator))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	609 SDL_SetError("Joystick: Couldn't create a HID object iterator.");
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	610 return -1;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 /* IOServiceGetMatchingServices consumes a reference to the dictionary, so we don't need to release the dictionary ref. */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614 /* build flat linked list of devices from device iterator */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	615
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	616 gpDeviceList = lastDevice = NULL;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618 while ((ioHIDDeviceObject = IOIteratorNext (hidObjectIterator)))
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	620 /* build a device record */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621 device = HIDBuildDevice (ioHIDDeviceObject);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622 if (!device)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 continue;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	625 /* dump device object, it is no longer needed */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626 result = IOObjectRelease (ioHIDDeviceObject);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 // if (KERN_SUCCESS != result)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628 // HIDReportErrorNum ("IOObjectRelease error with ioHIDDeviceObject.", result);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 /* Add device to the end of the list */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	630 if (lastDevice)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	631 lastDevice->pNext = device;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	632 else
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633 gpDeviceList = device;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	634 lastDevice = device;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	636 result = IOObjectRelease (hidObjectIterator); /* release the iterator */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	637
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 /* Count the total number of devices we found */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639 device = gpDeviceList;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 while (device)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	642 SDL_numjoysticks++;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	643 device = device->pNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	644 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	646 return SDL_numjoysticks;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	647 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	648
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 /* Function to get the device-dependent name of a joystick */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 const char *SDL_SYS_JoystickName(int index)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	651 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 recDevice *device = gpDeviceList;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 for (; index > 0; index--)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655 device = device->pNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 return device->product;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660 /* Function to open a joystick for use.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 * The joystick to open is specified by the index field of the joystick.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662 * This should fill the nbuttons and naxes fields of the joystick structure.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	663 * It returns 0, or -1 if there is an error.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	665 int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	666 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667 recDevice *device = gpDeviceList;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	668 int index;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	670 for (index = joystick->index; index > 0; index--)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	671 device = device->pNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	672
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 joystick->hwdata = device;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	674 joystick->name = device->product;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	676 joystick->naxes = device->axes;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 joystick->nhats = device->hats;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678 joystick->nballs = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	679 joystick->nbuttons = device->buttons;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	680
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	681 return 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	684 /* Function to update the state of a joystick - called as a device poll.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 * This function shouldn't update the joystick structure directly,
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	686 * but instead should call SDL_PrivateJoystick*() to deliver events
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	687 * and update joystick device state.
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	688 */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	689 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	690 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	691 recDevice *device = joystick->hwdata;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	692 recElement *element;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	693 SInt32 value;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	694 int i;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	695
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	696 element = device->firstAxis;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697 i = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	698 while (element)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700 value = HIDScaledCalibratedValue(device, element, -32768, 32767);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	701 if ( value != joystick->axes[i] )
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702 SDL_PrivateJoystickAxis(joystick, i, value);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 element = element->pNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704 ++i;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	705 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	706
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	707 element = device->firstButton;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 i = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 while (element)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 value = HIDGetElementValue(device, element);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 if ( value != joystick->buttons[i] )
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 SDL_PrivateJoystickButton(joystick, i, value);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 element = element->pNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 ++i;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	718 element = device->firstHat;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 i = 0;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	720 while (element)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	721 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	722 Uint8 pos;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	724 value = HIDGetElementValue(device, element);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 switch(value)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	726 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	727 case 0:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728 pos = SDL_HAT_CENTERED;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	730 case 1:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	731 pos = SDL_HAT_UP;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	732 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	733 case 2:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	734 pos = SDL_HAT_RIGHTUP;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	735 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	736 case 3:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737 pos = SDL_HAT_RIGHT;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	739 case 4:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	740 pos = SDL_HAT_RIGHTDOWN;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	741 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	742 case 5:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	743 pos = SDL_HAT_DOWN;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745 case 6:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746 pos = SDL_HAT_LEFTDOWN;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	747 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748 case 7:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	749 pos = SDL_HAT_LEFT;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	750 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 case 8:
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 pos = SDL_HAT_LEFTUP;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	753 break;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	755 if ( pos != joystick->hats[i] )
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	756 SDL_PrivateJoystickHat(joystick, i, pos);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	757 element = element->pNext;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	758 ++i;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	759 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	761 return;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	762 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	763
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	764 /* Function to close a joystick after use */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	765 void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	767 /* Should we do anything here? */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	768 return;
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769 }
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	771 /* Function to perform any system-specific joystick related cleanup */
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	772 void SDL_SYS_JoystickQuit(void)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	773 {
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	774 while (NULL != gpDeviceList)
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	775 gpDeviceList = HIDDisposeDevice (&gpDeviceList);
37e3ca9254c7 Date: Sat, 8 Sep 2001 04:42:23 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	776 }

Mercurial > sdl-ios-xcode

annotate src/joystick/darwin/SDL_sysjoystick.c @ 196:c4c4b221a5e5