dmxinput.h File Reference

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Data Structures
struct _DMXInputInfo

Defines
#define DMX_MAX_SIGIO_FDS   4

Typedefs
typedef _DMXLocalInputInfo * DMXLocalInputInfoPtr

Enumerations
enum DMXUpdateType {
-  DMX_UPDATE_REALIZE, -DMX_UPDATE_UNREALIZE, -DMX_UPDATE_RESTACK, -DMX_UPDATE_COPY, -
-  DMX_UPDATE_RESIZE, -DMX_UPDATE_REPARENT -
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Data Structures
struct _DMXInputInfo
Defines
#define DMX_MAX_SIGIO_FDS   4
Typedefs
typedef void(* ProcessInputEventsProc )(struct _DMXInputInfo *)
typedef void(* UpdateWindowInfoProc )(struct _DMXInputInfo *, DMXUpdateType, WindowPtr)
typedef struct _DMXLocalInputInfo * DMXLocalInputInfoPtr
Enumerations
enum DMXUpdateType {
+  DMX_UPDATE_REALIZE, +DMX_UPDATE_UNREALIZE, +DMX_UPDATE_RESTACK, +DMX_UPDATE_COPY, +
+  DMX_UPDATE_RESIZE, +DMX_UPDATE_REPARENT +
}
enum dmxSigioState { DMX_NOSIGIO = 0, -DMX_USESIGIO, -DMX_ACTIVESIGIO +
enum dmxSigioState { DMX_NOSIGIO = 0, +DMX_USESIGIO, +DMX_ACTIVESIGIO }

Functions
void dmxInputInit (DMXInputInfo *dmxInput)
void dmxInputReInit (DMXInputInfo *dmxInput)
void dmxInputLateReInit (DMXInputInfo *dmxInput)
void dmxInputFree (DMXInputInfo *dmxInput)
void dmxInputLogDevices (void)
void dmxUpdateWindowInfo (DMXUpdateType type, WindowPtr pWindow)
void dmxeqEnqueue (xEvent *e)
void dmxeqSwitchScreen (ScreenPtr pScreen, Bool fromDIX)
void dmxGetGlobalPosition (int *x, int *y)

Variables
int dmxNumInputs
DMXInputInfo * dmxInputs
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Detailed Description
-This file provides access to:
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global variables available to all hw/dmx routines, and
enumerations and typedefs needed by input routines in hw/dmx (and hw/dmx/input).
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-The goal is that no files in hw/dmx should include header files from hw/dmx/input -- the interface defined here should be the only interface exported to the hw/dmx layer.
See also:
input/dmxinputinit.c.
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Define Documentation
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#define DMX_MAX_SIGIO_FDS   4 +
enum DMXBlockType { DMX_NO_BLOCK = 0, +DMX_BLOCK = 1 + }
Functions
void dmxInputInit (DMXInputInfo *dmxInput)
void dmxInputReInit (DMXInputInfo *dmxInput)
void dmxInputLateReInit (DMXInputInfo *dmxInput)
void dmxInputFree (DMXInputInfo *dmxInput)
void dmxInputLogDevices (void)
void dmxUpdateWindowInfo (DMXUpdateType type, WindowPtr pWindow)
void dmxeqSwitchScreen (DeviceIntPtr pDev, ScreenPtr pScreen, Bool fromDIX)
void dmxGetGlobalPosition (int *x, int *y)
DMXScreenInfo * dmxFindFirstScreen (int x, int y)
void dmxCoreMotion (DevicePtr pDev, int x, int y, int delta, DMXBlockType block)
DMXInputInfo * dmxConfigAddInput (const char *name, int core)
Variables
int dmxNumInputs
DMXInputInfo * dmxInputs
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Detailed Description
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This file provides access to:
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global variables available to all hw/dmx routines, and
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enumerations and typedefs needed by input routines in hw/dmx (and hw/dmx/input).
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The goal is that no files in hw/dmx should include header files from hw/dmx/input -- the interface defined here should be the only interface exported to the hw/dmx layer.
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See also:
input/dmxinputinit.c.
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Define Documentation
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#define DMX_MAX_SIGIO_FDS   4

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-Maximum number of file descriptors for SIGIO handling
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Typedef Documentation
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typedef struct _DMXLocalInputInfo* DMXLocalInputInfoPtr + +
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Maximum number of file descriptors for SIGIO handling
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Referenced by dmxSigioRegister().
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Typedef Documentation
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typedef struct _DMXLocalInputInfo* DMXLocalInputInfoPtr

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-An opaque structure that is only exposed in the dmx/input layer.
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Enumeration Type Documentation
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enum dmxSigioState + +
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An opaque structure that is only exposed in the dmx/input layer.
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typedef void(* ProcessInputEventsProc)(struct _DMXInputInfo *)

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-State of the SIGIO engine
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DMX_NOSIGIO -Device does not use SIGIO at all.
DMX_USESIGIO -Device can use SIGIO, but is not (e.g., because the VT is switch away).
DMX_ACTIVESIGIO -Device is currently using SIGIO.
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typedef void(* UpdateWindowInfoProc)(struct _DMXInputInfo *, DMXUpdateType, WindowPtr)
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Enumeration Type Documentation
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enum DMXBlockType
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Enumerator:
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DMX_NO_BLOCK +
DMX_BLOCK +
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enum DMXUpdateType + enum dmxSigioState

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-Reason why window layout was updated.
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DMX_UPDATE_REALIZE -Window realized
DMX_UPDATE_UNREALIZE -Window unrealized
DMX_UPDATE_RESTACK -Stacking order changed
DMX_UPDATE_COPY -Window copied
DMX_UPDATE_RESIZE -Window resized
DMX_UPDATE_REPARENT -Window reparented
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State of the SIGIO engine
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Enumerator:
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DMX_NOSIGIO +
Device does not use SIGIO at all.
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DMX_USESIGIO +
Device can use SIGIO, but is not (e.g., because the VT is switch away).
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DMX_ACTIVESIGIO +
Device is currently using SIGIO.
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Function Documentation
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void dmxeqEnqueue ( xEvent * e ) enum DMXUpdateType
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Reason why window layout was updated.
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DMX_UPDATE_REALIZE +
Window realized
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DMX_UPDATE_UNREALIZE +
Window unrealized
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DMX_UPDATE_RESTACK +
Stacking order changed
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DMX_UPDATE_COPY +
Window copied
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DMX_UPDATE_RESIZE +
Window resized
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DMX_UPDATE_REPARENT +
Window reparented
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Function Documentation
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DMXInputInfo* dmxConfigAddInput ( const char * name,
int core
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-This function adds an event to the end of the queue. If the event is an XInput event, then the next event (the valuator event) is also stored in the queue. If the new event has a time before the time of the last event currently on the queue, then the time is updated for the new event.
-Must be reentrant with ProcessInputEvents. Assumption: dmxeqEnqueue will never be interrupted. If this is called from both signal handlers and regular code, make sure the signal is suspended when called from regular code.
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References _DMXInputInfo::core, dmxFatal, dmxInputs, dmxLog(), dmxNumInputs, _DMXInputInfo::inputIdx, _DMXInputInfo::name, and _DMXInputInfo::scrnIdx.
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Referenced by dmxConfigConfigInputs(), dmxInputAttachBackend(), and dmxInputAttachConsole().
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void dmxeqSwitchScreen ( ScreenPtr pScreen, void dmxCoreMotion ( DevicePtr pDev,

int x,
Bool fromDIX int y,

) int delta,
DMXBlockType block
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-Make pScreen the new screen for enqueueing events. If fromDIX is TRUE, also make pScreen the new screen for dequeuing events.
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References _DMXLocalInputInfo::binding, _DMXInputInfo::detached, _DMXInputInfo::devs, DMXDBG4, DMXDBG5, DMXDBG6, dmxFindFirstScreen(), dmxGlobalHeight, dmxGlobalInvalid, dmxGlobalWidth, dmxGlobalX, dmxGlobalY, dmxInputs, dmxNumInputs, dmxScreens, dmxSigioBlock(), dmxSigioUnblock(), enqueueMotion(), _DMXScreenInfo::index, _DMXInputInfo::numDevs, _DMXLocalInputInfo::private, ProcessInputEvents(), _DMXScreenInfo::rootXOrigin, _DMXScreenInfo::rootYOrigin, _DMXLocalInputInfo::sendsCore, and _DMXLocalInputInfo::update_position.
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Referenced by dmxMotion(), and dmxSetCursor().
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void dmxGetGlobalPosition ( int * x, void dmxeqSwitchScreen ( DeviceIntPtr pDev,

ScreenPtr pScreen,
int * y Bool fromDIX

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-Return DMX's notion of the pointer position in the global coordinate space.
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void dmxInputFree ( DMXInputInfo * dmxInput ) DMXScreenInfo* dmxFindFirstScreen ( int x,
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-Free all of the memory associated with dmxInput
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void dmxInputInit ( DMXInputInfo * dmxInput ) int y
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-Initialize all of the devices described in dmxInput.
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References dmxNumScreens, dmxOnScreen(), and dmxScreens.
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Referenced by dmxCheckCursor(), and dmxCoreMotion().
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void dmxGetGlobalPosition ( int * x,
int * y

void dmxInputLateReInit ( DMXInputInfo * dmxInput ) )
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Return DMX's notion of the pointer position in the global coordinate space.
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References dmxGlobalX, and dmxGlobalY.
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Referenced by dmxBackendLateReInit(), dmxCheckCursor(), dmxConsoleUpdateFineCursor(), dmxHideCursor(), and dmxSetCursor().
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void dmxInputFree ( DMXInputInfo * dmxInput )

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-Re-initialize all the devices described in dmxInput. Called from #dmxReconfig after the cursor is redisplayed.
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Free all of the memory associated with dmxInput
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References _DMXInputInfo::devs, dmxInputFreeLocal(), _DMXInputInfo::freename, _DMXInputInfo::geometry, _DMXInputInfo::keycodes, _DMXInputInfo::name, _DMXInputInfo::numDevs, and _DMXInputInfo::symbols.
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Referenced by InitOutput().
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void dmxInputLogDevices ( void ) void dmxInputInit ( DMXInputInfo * dmxInput )
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Initialize all of the devices described in dmxInput.
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References _DMXInputInfo::console, _DMXInputInfo::core, _DMXInputInfo::detached, _DMXInputInfo::devs, DMX_LOCAL_KEYBOARD, DMX_LOCAL_MOUSE, dmxAddDevice(), dmxArgC(), dmxArgFree(), dmxArgParse(), dmxArgV(), dmxBlockHandler(), dmxFatal, dmxInputCopyLocal(), dmxInputScanForExtensions(), dmxLog(), dmxLogInput(), dmxNumScreens, dmxPopulateLocal(), dmxProcessInputEvents(), dmxPropertySameDisplay(), dmxScreens, dmxUpdateWindowInformation(), dmxWakeupHandler(), dmxWarning, _DMXInputInfo::geometry, _DMXInputInfo::inputIdx, _DMXLocalInputInfo::isCore, _DMXInputInfo::keycodes, _DMXInputInfo::name, _DMXInputInfo::numDevs, _DMXLocalInputInfo::pDevice, _DMXInputInfo::processInputEvents, _DMXInputInfo::scrnIdx, _DMXInputInfo::symbols, _DMXLocalInputInfo::type, _DMXInputInfo::updateWindowInfo, and _DMXInputInfo::windows.
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Referenced by dmxInputAttachNew(), and InitInput().
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void dmxInputLateReInit ( DMXInputInfo * dmxInput )

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-Log information about all of the known devices using dmxLog().
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Re-initialize all the devices described in dmxInput. Called from dmxAdjustCursorBoundaries after the cursor is redisplayed.
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References _DMXInputInfo::devs, _DMXLocalInputInfo::latereinit, _DMXInputInfo::numDevs, and _DMXLocalInputInfo::pDevice.
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Referenced by dmxAdjustCursorBoundaries().
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void dmxInputReInit ( DMXInputInfo * dmxInput ) void dmxInputLogDevices ( void )
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Log information about all of the known devices using dmxLog().
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References _DMXInputInfo::detached, _DMXLocalInputInfo::deviceId, _DMXLocalInputInfo::deviceName, _DMXInputInfo::devs, dmxGetInputCount(), dmxInfo, dmxInputs, dmxLog(), dmxLogCont(), dmxNumInputs, _DMXInputInfo::inputIdx, _DMXLocalInputInfo::isCore, _DMXInputInfo::name, _DMXInputInfo::numDevs, _DMXLocalInputInfo::pDevice, and _DMXLocalInputInfo::sendsCore.
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Referenced by dmxConnectionBlockCallback(), dmxInputAttachNew(), dmxInputAttachOld(), and dmxInputDetach().
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void dmxInputReInit ( DMXInputInfo * dmxInput )

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-Re-initialize all the devices described in dmxInput. Called from #dmxReconfig before the cursor is redisplayed.
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Re-initialize all the devices described in dmxInput. Called from dmxAdjustCursorBoundaries before the cursor is redisplayed.
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References _DMXInputInfo::devs, _DMXInputInfo::numDevs, _DMXLocalInputInfo::pDevice, and _DMXLocalInputInfo::reinit.
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Referenced by dmxAdjustCursorBoundaries().
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void dmxUpdateWindowInfo ( DMXUpdateType type, void dmxUpdateWindowInfo ( DMXUpdateType type,

WindowPtr pWindow WindowPtr pWindow

) )
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-This routine is called from #dmxwindow.c whenever the layout of windows on the display might have changed. This information is used by input drivers (currently only the console driver) that provide information about window layout to the user.
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Variable Documentation
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DMXInputInfo* dmxInputs + +
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This routine is called from dmxwindow.c whenever the layout of windows on the display might have changed. This information is used by input drivers (currently only the console driver) that provide information about window layout to the user.
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References _DMXInputInfo::detached, dmxInputs, dmxNumInputs, and _DMXInputInfo::updateWindowInfo.
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Referenced by dmxCopyWindow(), dmxRealizeWindow(), dmxReparentWindow(), dmxResizeWindow(), dmxRestackWindow(), and dmxUnrealizeWindow().
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Variable Documentation
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DMXInputInfo* dmxInputs

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-List of inputs
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List of inputs
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Referenced by dmxAddDevice(), dmxAdjustCursorBoundaries(), dmxBackendInitPrivate(), dmxBlockHandler(), dmxChangePointerControl(), dmxCheckFunctionKeys(), dmxCommonCopyPrivate(), dmxConfigAddInput(), dmxConsoleInit(), dmxCoreMotion(), dmxDump(), dmxGetInputAttributes(), dmxGetInputCount(), dmxInputAttachBackend(), dmxInputAttachConsole(), dmxInputDetach(), dmxInputDetachAll(), dmxInputLocateId(), dmxInputLogDevices(), dmxKeyboardBellProc(), dmxKeyboardKbdCtrlProc(), dmxSigioDisableInput(), dmxSigioEnableInput(), dmxSigioHandler(), dmxTranslateAndEnqueueExtEvent(), dmxUpdateWindowInfo(), dmxWakeupHandler(), InitInput(), and ProcessInputEvents().
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int dmxNumInputs + int dmxNumInputs

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-Number of dmxInputs
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Number of dmxInputs
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Referenced by dmxAdjustCursorBoundaries(), dmxChangePointerControl(), dmxConfigAddInput(), dmxConfigConfigInputs(), dmxCoreMotion(), dmxDump(), dmxGetInputAttributes(), dmxGetInputCount(), dmxInputAttachBackend(), dmxInputAttachConsole(), dmxInputDetach(), dmxInputDetachAll(), dmxInputLocateId(), dmxInputLogDevices(), dmxKeyboardBellProc(), dmxKeyboardKbdCtrlProc(), dmxSigioDisableInput(), dmxSigioEnableInput(), dmxSigioHandler(), dmxUpdateWindowInfo(), InitInput(), InitOutput(), and ProcessInputEvents().
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