296 lines
8.4 KiB
C
296 lines
8.4 KiB
C
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/*****************************************************************************
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*
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* DIHidUsg.c
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*
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* Copyright (c) 1996 Microsoft Corporation. All Rights Reserved.
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*
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* Abstract:
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*
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* Mapping between GUIDs and HID usages.
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*
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* Contents:
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*
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* UsageToGuid
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*
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*****************************************************************************/
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#include "dinputpr.h"
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/*****************************************************************************
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*
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* The sqiffle for this file.
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*
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*****************************************************************************/
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#define sqfl sqflHidUsage
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#pragma BEGIN_CONST_DATA
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @global HIDUSAGEMAP | c_rghum[] |
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*
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* Mapping between GUIDs and HID usages for one-to-one mappings.
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*
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*****************************************************************************/
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#define MAKEHUM(Page, Usage, PosAxis, Guid) \
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{ DIMAKEUSAGEDWORD(HID_USAGE_PAGE_##Page, \
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HID_USAGE_##Page##_##Usage), \
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PosAxis, \
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&Guid, \
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} \
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#ifndef HID_USAGE_SIMULATION
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#define HID_USAGE_SIMULATION_STEERING ((USAGE) 0xC8)
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#endif
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#ifndef HID_USAGE_SIMULATION_ACCELERATOR
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#define HID_USAGE_SIMULATION_ACCELERATOR ((USAGE) 0xC4)
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#endif
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#ifndef HID_USAGE_SIMULATION_BRAKE
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#define HID_USAGE_SIMULATION_BRAKE ((USAGE) 0xC5)
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#endif
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#ifndef HID_USAGE_GAME_POV
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#define HID_USAGE_GAME_POV ((USAGE) 0x20)
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#endif
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HIDUSAGEMAP c_rghum[] = {
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MAKEHUM(GENERIC, X, 0, GUID_XAxis),
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MAKEHUM(GENERIC, Y, 1, GUID_YAxis),
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MAKEHUM(GENERIC, Z, 2, GUID_ZAxis),
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MAKEHUM(GENERIC, WHEEL, 2, GUID_ZAxis),
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MAKEHUM(GENERIC, RX, 3, GUID_RxAxis),
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MAKEHUM(GENERIC, RY, 4, GUID_RyAxis),
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MAKEHUM(GENERIC, RZ, 5, GUID_RzAxis),
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MAKEHUM(GENERIC, HATSWITCH, 7, GUID_POV),
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MAKEHUM(GENERIC, SLIDER, 6, GUID_Slider),
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MAKEHUM(GENERIC, DIAL, 6, GUID_Slider),
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MAKEHUM(SIMULATION, STEERING, 0, GUID_XAxis),
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MAKEHUM(SIMULATION, ACCELERATOR,1, GUID_YAxis),
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MAKEHUM(SIMULATION, BRAKE, 5, GUID_RzAxis),
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MAKEHUM(SIMULATION, RUDDER, 5, GUID_RzAxis),
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MAKEHUM(SIMULATION, THROTTLE, 6, GUID_Slider),
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MAKEHUM(GAME, POV, 7, GUID_POV),
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};
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/*****************************************************************************
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*
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* @doc EXTERNAL
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*
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* @func PCGUID | UsageToUsageMap |
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*
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* Takes some HID usage and usage page information and
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* returns a pointer to a <t HIDUSAGEMAP> that describes
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* how we should treat it.
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*
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* If the type is not recognized, then <c NULL> is returned.
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*
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* @parm DWORD | dwUsage |
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*
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* Usage page and usage to convert. This should be a <t DWORD>
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* formed using DIMAKEUSAGEDWORD on the component <t USAGE> values.
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*
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*****************************************************************************/
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PHIDUSAGEMAP EXTERNAL
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UsageToUsageMap(DWORD dwUsage)
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{
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PHIDUSAGEMAP phum;
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int ihum;
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for (ihum = 0; ihum < cA(c_rghum); ihum++) {
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if (c_rghum[ihum].dwUsage == dwUsage) {
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phum = &c_rghum[ihum];
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goto done;
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}
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}
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phum = 0;
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done:;
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if( phum )
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{
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SquirtSqflPtszV(sqflHidUsage | sqflVerbose,
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TEXT("UsageToUsageMap: mapped 0x%04x:0x%04x to index %d"),
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HIWORD( dwUsage ), LOWORD( dwUsage ), ihum );
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}
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else
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{
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SquirtSqflPtszV(sqflHidUsage | sqflVerbose,
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TEXT("UsageToUsageMap: failed to map 0x%04x:0x%04x"),
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HIWORD( dwUsage ), LOWORD( dwUsage ) );
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}
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return phum;
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}
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/*****************************************************************************
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*
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* @doc EXTERNAL
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*
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* @func DWORD | GuidToUsage |
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*
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* Map Guid to Usage
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*
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* If the guid is not recognized, then 0 is returned.
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*
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* @parm PCGUID | pguid |
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*
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* guid to map
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*
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*****************************************************************************/
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DWORD EXTERNAL
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GuidToUsage(PCGUID pguid)
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{
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DWORD dwUsage;
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int ihum;
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for (ihum = 0; ihum < cA(c_rghum); ihum++) {
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if ( IsEqualGUID( c_rghum[ihum].pguid, pguid ) ) {
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dwUsage = c_rghum[ihum].dwUsage;
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goto done;
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}
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}
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dwUsage = 0;
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done:;
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return dwUsage;
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}
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func UINT | GetHIDString |
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*
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* Given a HID usage page and usage, obtain a generic string
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* that describes it if we recognize it.
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*
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* @parm DWORD | Usage |
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*
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* Usage number to convert. This is a <t DWORD> instead of
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* a <t USAGE> because you aren't supposed to pass short types
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* as parameters to functions.
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*
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* @parm DWORD | UsagePage |
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*
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* Usage page to convert.
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*
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* @parm LPWSTR | pwszBuf |
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*
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* Buffer to receive string.
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*
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* @parm UINT | cwch |
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*
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* Size of buffer.
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*
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* @returns
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*
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* Returns the number of characters retrieved, or zero
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* if no string was obtained.
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*
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*****************************************************************************/
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/*
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* Maps usage pages to string groups. Each string group is 512 strings long.
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* Zero means "No string group".
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*/
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UINT c_mpuiusagePage[] = {
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0, /* Invalid */
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IDS_PAGE_GENERIC, /* HID_USAGE_PAGE_GENERIC */
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IDS_PAGE_VEHICLE, /* HID_USAGE_PAGE_SIMULATION */
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IDS_PAGE_VR, /* HID_USAGE_PAGE_VR */
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IDS_PAGE_SPORT, /* HID_USAGE_PAGE_SPORT */
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IDS_PAGE_GAME, /* HID_USAGE_PAGE_GAME */
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0, /* ??????????????????????? */
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IDS_PAGE_KEYBOARD, /* HID_USAGE_PAGE_KEYBOARD */
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IDS_PAGE_LED, /* HID_USAGE_PAGE_LED */
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0, /* HID_USAGE_PAGE_BUTTON */
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0, /* HID_USAGE_PAGE_ORDINAL */
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IDS_PAGE_TELEPHONY, /* HID_USAGE_PAGE_TELEPHONY */
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IDS_PAGE_CONSUMER, /* HID_USAGE_PAGE_CONSUMER */
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IDS_PAGE_DIGITIZER, /* HID_USAGE_PAGE_DIGITIZER */
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0, /* ??????????????????????? */
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IDS_PAGE_PID, /* HID_USAGE_PAGE_PID */
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};
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UINT EXTERNAL
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GetHIDString(DWORD Usage, DWORD UsagePage, LPWSTR pwszBuf, UINT cwch)
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{
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UINT uiRc;
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if (UsagePage < cA(c_mpuiusagePage) &&
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c_mpuiusagePage[UsagePage] &&
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Usage < 512) {
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uiRc = LoadStringW(g_hinst, c_mpuiusagePage[UsagePage] + Usage,
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pwszBuf, cwch);
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} else {
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uiRc = 0;
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}
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return uiRc;
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}
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func void | InsertCollectionNumber |
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*
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* Prefix the collection number on the existing string.
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*
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* @parm UINT | icoll |
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*
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* Collection number to be prefixed.
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*
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* (Actually, it's placed wherever the string resource
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* tells us, to allow for localization.)
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*
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* @parm LPWSTR | pwsz |
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*
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* Output buffer assumed to be of size MAX_PATH.
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*
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*****************************************************************************/
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void EXTERNAL
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InsertCollectionNumber(UINT icoll, LPWSTR pwszBuf)
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{
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TCHAR tsz[MAX_PATH];
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TCHAR tszFormat[64];
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#ifndef UNICODE
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TCHAR tszOut[MAX_PATH];
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#endif
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int ctch;
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ctch = LoadString(g_hinst, IDS_COLLECTIONTEMPLATEFORMAT,
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tszFormat, cA(tszFormat));
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/*
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* Make sure the combined format and collection name
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* don't overflow the buffer. The maximum length of
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* the stringification of icoll is 65534 because we
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* allow only 16 bits worth of DIDFT_INSTANCEMASK.
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*
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* We also have to put it into a holding buffer because
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* pwszBuf is about to be smashed by the upcoming wsprintf.
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*/
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UToT(tsz, cA(tsz) - ctch, pwszBuf);
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#ifdef UNICODE
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wsprintfW(pwszBuf, tszFormat, icoll, tsz);
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#else
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wsprintfA(tszOut, tszFormat, icoll, tsz);
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TToU(pwszBuf, MAX_PATH, tszOut);
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#endif
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}
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