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Diffstat (limited to 'xorg-server/hw/dmx/dmxinput.h')
| -rw-r--r-- | xorg-server/hw/dmx/dmxinput.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/xorg-server/hw/dmx/dmxinput.h b/xorg-server/hw/dmx/dmxinput.h new file mode 100644 index 000000000..8a3ccdcbd --- /dev/null +++ b/xorg-server/hw/dmx/dmxinput.h @@ -0,0 +1,162 @@ +/* + * 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(xEvent *e); +extern void dmxeqSwitchScreen(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 */ |