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Merge pull request #4426 from jprjr/osx-iohidmanager
OSX Joypad Improvements
This commit is contained in:
Twinaphex
GitHub
commit
ddc11e2d17
@ -31,12 +31,20 @@
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#include "../../tasks/tasks_internal.h"
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#include "../../verbosity.h"
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typedef struct apple_input_rec
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{
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IOHIDElementCookie cookie;
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uint32_t id;
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struct apple_input_rec *next;
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} apple_input_rec_t;
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typedef struct apple_hid
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{
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IOHIDManagerRef ptr;
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joypad_connection_t *slots;
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uint32_t buttons[MAX_USERS];
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int16_t axes[MAX_USERS][6];
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int8_t hats[MAX_USERS][2]; /* MacOS only supports 1 hat AFAICT */
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} iohidmanager_hid_t;
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struct iohidmanager_hid_adapter
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@ -44,9 +52,53 @@ struct iohidmanager_hid_adapter
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uint32_t slot;
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IOHIDDeviceRef handle;
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char name[PATH_MAX_LENGTH];
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apple_input_rec_t *axes;
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apple_input_rec_t *hats;
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apple_input_rec_t *buttons;
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uint8_t data[2048];
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};
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CFComparisonResult iohidmanager_sort_elements(const void *val1, const void *val2, void *context)
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{
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uint32_t page1 = IOHIDElementGetUsagePage((IOHIDElementRef)val1);
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uint32_t page2 = IOHIDElementGetUsagePage((IOHIDElementRef)val2);
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uint32_t use1 = IOHIDElementGetUsage((IOHIDElementRef)val1);
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uint32_t use2 = IOHIDElementGetUsage((IOHIDElementRef)val2);
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uint32_t cookie1 = IOHIDElementGetCookie((IOHIDElementRef)val1);
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uint32_t cookie2 = IOHIDElementGetCookie((IOHIDElementRef)val2);
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if(page1 != page2)
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{
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return page1 > page2;
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}
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if(use1 != use2)
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{
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return use1 > use2;
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}
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return cookie1 > cookie2;
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}
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static bool iohidmanager_check_for_id(apple_input_rec_t *rec, uint32_t id)
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{
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while(rec) {
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if(rec->id == id) return true;
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rec = rec->next;
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}
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return false;
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}
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static void iohidmanager_append_record(apple_input_rec_t *rec, apple_input_rec_t *new)
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{
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apple_input_rec_t *tmp = rec;
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while(tmp->next)
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{
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tmp = tmp->next;
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}
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tmp->next = new;
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}
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static bool iohidmanager_hid_joypad_query(void *data, unsigned pad)
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{
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return pad < MAX_USERS;
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@ -75,10 +127,28 @@ static bool iohidmanager_hid_joypad_button(void *data,
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uint64_t buttons =
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iohidmanager_hid_joypad_get_buttons(data, port);
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iohidmanager_hid_t *hid = (iohidmanager_hid_t*)data;
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unsigned h = GET_HAT(joykey);
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unsigned hat_dir = GET_HAT_DIR(joykey);
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/* Check hat. */
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if (GET_HAT_DIR(joykey))
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return false;
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if (hat_dir)
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{
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if(h >= 1) {
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return false;
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}
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switch(hat_dir)
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{
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case HAT_LEFT_MASK:
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return hid->hats[port][0] < 0;
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case HAT_RIGHT_MASK:
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return hid->hats[port][0] > 0;
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case HAT_UP_MASK:
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return hid->hats[port][1] < 0;
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case HAT_DOWN_MASK:
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return hid->hats[port][1] > 0;
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}
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return 0;
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}
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/* Check the button. */
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if ((port < MAX_USERS) && (joykey < 32))
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@ -166,6 +236,8 @@ static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
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uint32_t type = IOHIDElementGetType(element);
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uint32_t page = IOHIDElementGetUsagePage(element);
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uint32_t use = IOHIDElementGetUsage(element);
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uint32_t cookie = IOHIDElementGetCookie(element);
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apple_input_rec_t *tmp = NULL;
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if (type != kIOHIDElementTypeInput_Misc)
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if (type != kIOHIDElementTypeInput_Button)
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@ -184,32 +256,86 @@ static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
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switch (use)
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{
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case kHIDUsage_GD_Hatswitch:
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break;
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{
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tmp = adapter->hats;
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while(tmp && tmp->cookie != cookie)
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{
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tmp = tmp->next;
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}
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if(tmp->cookie == cookie)
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{
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CFIndex range = IOHIDElementGetLogicalMax(element) - IOHIDElementGetLogicalMin(element);
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CFIndex val = IOHIDValueGetIntegerValue(value);
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if(range == 3)
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{
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val *= 2;
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}
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switch(val)
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{
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case 0:
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/* pos = up */
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hid->hats[adapter->slot][0] = 0;
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hid->hats[adapter->slot][1] = -1;
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break;
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case 1:
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/* pos = up+right */
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hid->hats[adapter->slot][0] = 1;
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hid->hats[adapter->slot][1] = -1;
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break;
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case 2:
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/* pos = right */
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hid->hats[adapter->slot][0] = 1;
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hid->hats[adapter->slot][1] = 0;
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break;
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case 3:
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/* pos = down+right */
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hid->hats[adapter->slot][0] = 1;
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hid->hats[adapter->slot][1] = 1;
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break;
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case 4:
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/* pos = down */
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hid->hats[adapter->slot][0] = 0;
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hid->hats[adapter->slot][1] = 1;
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break;
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case 5:
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/* pos = down+left */
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hid->hats[adapter->slot][0] = -1;
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hid->hats[adapter->slot][1] = 1;
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break;
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case 6:
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/* pos = left */
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hid->hats[adapter->slot][0] = -1;
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hid->hats[adapter->slot][1] = 0;
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break;
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case 7:
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/* pos = up_left */
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hid->hats[adapter->slot][0] = -1;
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hid->hats[adapter->slot][1] = -1;
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break;
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default:
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/* pos = centered */
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hid->hats[adapter->slot][0] = 0;
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hid->hats[adapter->slot][1] = 0;
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break;
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}
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}
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}
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break;
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default:
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{
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int i;
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static const uint32_t axis_use_ids[6] =
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{ 48, 49, 51, 52, 50, 53 };
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/* +0/-0 => Left Stick Horizontal => 48
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* +1/-1 => Left Stick Vertical => 49
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* +2/-2 => Right Stick Horizontal => 51
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* +3/-3 => Right Stick Vertical => 52
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* +4/-4 => Left Trigger (if exists) => 50
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* +5/-5 => Right Trigger (if exists) => 53
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*/
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for (i = 0; i < 6; i ++)
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tmp = adapter->axes;
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while(tmp && tmp->cookie != cookie)
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{
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tmp = tmp->next;
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}
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if(tmp->cookie == cookie)
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{
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CFIndex min = IOHIDElementGetPhysicalMin(element);
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CFIndex state = IOHIDValueGetIntegerValue(value) - min;
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CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
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float val = (float)state / (float)max;
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if (use != axis_use_ids[i])
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continue;
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hid->axes[adapter->slot][i] =
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hid->axes[adapter->slot][tmp->id] =
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((val * 2.0f) - 1.0f) * 32767.0f;
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}
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}
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@ -223,13 +349,20 @@ static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
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{
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case kIOHIDElementTypeInput_Button:
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{
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CFIndex state = IOHIDValueGetIntegerValue(value);
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unsigned id = use - 1;
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tmp = adapter->buttons;
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while(tmp && tmp->cookie != cookie)
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{
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tmp = tmp->next;
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}
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if(tmp->cookie == cookie)
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{
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CFIndex state = IOHIDValueGetIntegerValue(value);
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if (state)
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BIT64_SET(hid->buttons[adapter->slot], id);
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else
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BIT64_CLEAR(hid->buttons[adapter->slot], id);
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if (state)
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BIT64_SET(hid->buttons[adapter->slot], tmp->id);
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else
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BIT64_CLEAR(hid->buttons[adapter->slot], tmp->id);
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}
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}
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break;
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}
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@ -256,7 +389,28 @@ static void iohidmanager_hid_device_remove(void *data,
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}
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if (adapter)
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{
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struct apple_input_rec_t* tmp;
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while(adapter->hats != NULL)
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{
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tmp = adapter->hats;
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adapter->hats = adapter->hats->next;
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free(tmp);
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}
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while(adapter->axes != NULL)
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{
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tmp = adapter->axes;
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adapter->axes = adapter->axes->next;
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free(tmp);
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}
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while(adapter->buttons != NULL)
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{
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tmp = adapter->buttons;
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adapter->buttons = adapter->buttons->next;
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free(tmp);
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}
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free(adapter);
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}
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}
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static int32_t iohidmanager_hid_device_get_int_property(
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@ -367,13 +521,205 @@ static void iohidmanager_hid_device_add(void *data, IOReturn result,
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if (string_is_empty(adapter->name))
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goto error;
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/* scan for buttons, axis, hats */
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CFArrayRef elements_raw = IOHIDDeviceCopyMatchingElements(device, NULL, kIOHIDOptionsTypeNone);
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int count = (int)CFArrayGetCount(elements_raw);
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CFMutableArrayRef elements = CFArrayCreateMutableCopy(kCFAllocatorDefault,(CFIndex)count,elements_raw);
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CFRange range = CFRangeMake(0,count);
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CFArraySortValues(elements,range,iohidmanager_sort_elements,NULL);
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int i;
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bool found_axis[6] =
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{ false, false, false, false, false, false };
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apple_input_rec_t *tmpButtons = NULL;
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apple_input_rec_t *tmpAxes = NULL;
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for(i=0; i<count; i++) {
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IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, i);
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if (!element) continue;
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IOHIDElementType type = IOHIDElementGetType(element);
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uint32_t page = IOHIDElementGetUsagePage(element);
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uint32_t use = IOHIDElementGetUsage(element);
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uint32_t cookie = IOHIDElementGetCookie(element);
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switch (page)
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{
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case kHIDPage_GenericDesktop:
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switch (type)
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{
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case kIOHIDElementTypeInput_Misc:
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switch (use)
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{
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case kHIDUsage_GD_Hatswitch:
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{
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/* as far as I can tell, OSX only reports one Hat */
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apple_input_rec_t *hat = (apple_input_rec_t *)malloc(sizeof(apple_input_rec_t));
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hat->id = 0;
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hat->cookie = cookie;
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hat->next = NULL;
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adapter->hats = hat;
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}
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break;
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default:
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{
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uint32_t i = 0;
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static const uint32_t axis_use_ids[6] =
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{ 48, 49, 51, 52, 50, 53 };
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while(axis_use_ids[i] != use)
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{
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i++;
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}
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if (i < 6)
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{
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apple_input_rec_t *axis = (apple_input_rec_t *)malloc(sizeof(apple_input_rec_t));
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axis->id = i;
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axis->cookie = cookie;
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axis->next = NULL;
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if(iohidmanager_check_for_id(adapter->axes,i))
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{
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/* axis ID already exists, save to tmp for appending later */
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if(tmpAxes == NULL)
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{
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tmpAxes = axis;
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}
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else
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{
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iohidmanager_append_record(tmpAxes,axis);
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}
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}
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else
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{
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found_axis[axis->id] = true;
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if(adapter->axes == NULL)
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{
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adapter->axes = axis;
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}
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else
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{
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iohidmanager_append_record(adapter->axes,axis);
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}
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}
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}
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}
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break;
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}
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break;
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}
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break;
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case kHIDPage_Button:
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switch (type)
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{
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case kIOHIDElementTypeInput_Button:
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{
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apple_input_rec_t *btn = (apple_input_rec_t *)malloc(sizeof(apple_input_rec_t));
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btn->id = use - 1;
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btn->cookie = cookie;
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btn->next = NULL;
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if(iohidmanager_check_for_id(adapter->buttons,btn->id))
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{
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if(tmpButtons == NULL)
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{
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tmpButtons = btn;
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}
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else
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{
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iohidmanager_append_record(tmpButtons,btn);
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}
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}
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else
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{
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if(adapter->buttons == NULL)
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{
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adapter->buttons = btn;
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}
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else
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{
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iohidmanager_append_record(adapter->buttons,btn);
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}
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}
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}
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break;
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}
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break;
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}
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}
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/* take care of buttons/axes with duplicate 'use' values */
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for(i=0; i<6; i++)
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{
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if(found_axis[i] == false && tmpAxes)
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{
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apple_input_rec_t *next = tmpAxes->next;
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tmpAxes->id = i;
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tmpAxes->next = NULL;
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iohidmanager_append_record(adapter->axes, tmpAxes);
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tmpAxes = next;
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}
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}
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apple_input_rec_t *tmp = adapter->buttons;
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while(tmp->next)
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{
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tmp = tmp->next;
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}
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while(tmpButtons)
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{
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apple_input_rec_t *next = tmpButtons->next;
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tmpButtons->id = tmp->id + 1;
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tmpButtons->next = NULL;
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tmp->next = tmpButtons;
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tmp = tmp->next;
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tmpButtons = next;
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}
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iohidmanager_hid_device_add_autodetect(adapter->slot,
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adapter->name, iohidmanager_hid.ident, dev_vid, dev_pid);
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return;
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error:
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free(adapter);
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{
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struct apple_input_rec_t *tmp = NULL;
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while(adapter->hats != NULL)
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{
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tmp = adapter->hats;
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adapter->hats = adapter->hats->next;
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free(tmp);
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}
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while(adapter->axes != NULL)
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{
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tmp = adapter->axes;
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adapter->axes = adapter->axes->next;
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free(tmp);
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}
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while(adapter->buttons != NULL)
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{
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tmp = adapter->buttons;
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adapter->buttons = adapter->buttons->next;
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free(tmp);
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}
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while(tmpAxes != NULL)
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{
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tmp = tmpAxes;
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tmpAxes = tmpAxes->next;
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free(tmp);
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}
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while(tmpButtons != NULL)
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{
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tmp = tmpButtons;
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tmpButtons = tmpButtons->next;
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free(tmp);
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}
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free(adapter);
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}
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}
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static void iohidmanager_hid_append_matching_dictionary(
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