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+/*
+ * 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 */