/* * Copyright 2001,2002 Red Hat Inc., Durham, North Carolina. * * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation on the rights to use, copy, modify, merge, * publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ /* * Authors: * David H. Dawes <dawes@xfree86.org> * Kevin E. Martin <kem@redhat.com> * Rickard E. (Rik) Faith <faith@redhat.com> * */ /** \file * This file provides access to: * - global variables available to all hw/dmx routines, and * - enumerations and typedefs needed by input routines in hw/dmx (and * hw/dmx/input). * * 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 input/dmxinputinit.c. */ #ifndef DMXINPUT_H #define DMXINPUT_H /** Maximum number of file descriptors for SIGIO handling */ #define DMX_MAX_SIGIO_FDS 4 struct _DMXInputInfo; /** Reason why window layout was updated. */ typedef enum { 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 */ } DMXUpdateType; typedef void (*ProcessInputEventsProc)(struct _DMXInputInfo *); typedef void (*UpdateWindowInfoProc)(struct _DMXInputInfo *, DMXUpdateType, WindowPtr); /** An opaque structure that is only exposed in the dmx/input layer. */ typedef struct _DMXLocalInputInfo *DMXLocalInputInfoPtr; /** State of the SIGIO engine */ typedef enum { DMX_NOSIGIO = 0, /**< 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. */ } dmxSigioState; /** DMXInputInfo is typedef'd in #dmx.h so that all routines can have * access to the global pointers. However, the elements are only * available to input-related routines. */ struct _DMXInputInfo { const char *name; /**< Name of input display or device * (from command line or config * file) */ Bool freename; /**< If true, free name on destroy */ Bool detached; /**< If true, input screen is detached */ int inputIdx; /**< Index into #dmxInputs global */ int scrnIdx; /**< Index into #dmxScreens global */ Bool core; /**< If True, initialize these * devices as devices that send core * events */ Bool console; /**< True if console and backend * input share the same backend * display */ Bool windows; /**< True if window outlines are * draw in console */ ProcessInputEventsProc processInputEvents; UpdateWindowInfoProc updateWindowInfo; /* Local input information */ dmxSigioState sigioState; /**< Current stat */ int sigioFdCount; /**< Number of fds in use */ int sigioFd[DMX_MAX_SIGIO_FDS]; /**< List of fds */ Bool sigioAdded[DMX_MAX_SIGIO_FDS]; /**< Active fds */ /** True if a VT switch is pending, but has not yet happened. */ int vt_switch_pending; /** True if a VT switch has happened. */ int vt_switched; /** Number of devices handled in this _DMXInputInfo structure. */ int numDevs; /** List of actual input devices. Each _DMXInputInfo structure can * refer to more than one device. For example, the keyboard and the * pointer of a backend display; or all of the XInput extension * devices on a backend display. */ DMXLocalInputInfoPtr *devs; char *keycodes; /**< XKB keycodes from command line */ char *symbols; /**< XKB symbols from command line */ char *geometry; /**< XKB geometry from command line */ }; extern int dmxNumInputs; /**< Number of #dmxInputs */ extern DMXInputInfo *dmxInputs; /**< List of inputs */ extern void dmxInputInit(DMXInputInfo *dmxInput); extern void dmxInputReInit(DMXInputInfo *dmxInput); extern void dmxInputLateReInit(DMXInputInfo *dmxInput); extern void dmxInputFree(DMXInputInfo *dmxInput); extern void dmxInputLogDevices(void); extern void dmxUpdateWindowInfo(DMXUpdateType type, WindowPtr pWindow); /* These functions are defined in input/dmxeq.c */ extern Bool dmxeqInitialized(void); extern void dmxeqEnqueue(DeviceIntPtr pDev, xEvent *e); extern void dmxeqSwitchScreen(DeviceIntPtr pDev, ScreenPtr pScreen, Bool fromDIX); /* This type is used in input/dmxevents.c. Also, these functions are * defined in input/dmxevents.c */ typedef enum { DMX_NO_BLOCK = 0, DMX_BLOCK = 1 } DMXBlockType; extern void dmxGetGlobalPosition(int *x, int *y); extern DMXScreenInfo *dmxFindFirstScreen(int x, int y); extern void dmxCoreMotion(DevicePtr pDev, int x, int y, int delta, DMXBlockType block); /* Support for dynamic addition of inputs. This functions is defined in * config/dmxconfig.c */ extern DMXInputInfo *dmxConfigAddInput(const char *name, int core); #endif /* DMXINPUT_H */