d1fc35bb69
Before: Both drivers currently do one read(2) per event, but since we use a "sync" event we have a least two of them for ws(4) but more commonly 3 for ws(4) and 4 for synaptics(4). most of the code and ok mpi@
114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
/*
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* Copyright © 2009 Matthieu Herrb <matthieu@herrb.eu>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <dev/wscons/wsconsio.h>
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/* #undef DEBUG */
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#define DEBUG
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#undef DBG
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#ifdef DEBUG
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extern int ws_debug_level;
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# define DBG(lvl, f) { if ((lvl) <= ws_debug_level) f;}
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#else
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# define DBG(lvl, f)
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#endif
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#define NAXES 2 /* X and Y axes only */
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#define NBUTTONS 32 /* max theoretical buttons */
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#define DFLTBUTTONS 3 /* default number of buttons */
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#define WS_NOMAP 0
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#define NWSEVENTS 16 /* size of buffer */
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/* axis specific data for wheel */
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typedef struct {
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int negative;
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int positive;
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int traveled_distance;
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} WheelAxis, *WheelAxisPtr;
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typedef struct {
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unsigned int buttons;
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int dx, dy, dz, dw;
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int ax, ay;
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} wsHwState;
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typedef struct WSDevice {
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char *devName; /* device name */
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int type; /* ws device type */
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unsigned int lastButtons; /* last state of buttons */
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int old_ax, old_ay;
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int min_x, max_x, min_y, max_y; /* coord space */
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int swap_axes;
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int raw;
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int inv_x, inv_y;
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int screen_no;
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WheelAxis Z;
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WheelAxis W;
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struct wsmouse_calibcoords coords; /* mirror of the kernel values */
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/* # of buttons and config-file specified button mapping */
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unsigned int buttons;
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unsigned char btnmap[NBUTTONS + 1];
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/* Middle mouse button emulation */
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struct {
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BOOL enabled;
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BOOL pending; /* timer waiting? */
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int buttonstate; /* phys. button state */
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int state; /* state machine (see emumb.c) */
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Time expires; /* time of expiry */
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Time timeout;
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} emulateMB;
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/* Mouse wheel emulation */
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struct {
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BOOL enabled;
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int button;
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int button_state;
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int inertia;
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WheelAxis X;
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WheelAxis Y;
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Time expires; /* time of expiry */
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Time timeout;
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} emulateWheel;
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struct wscons_event events[NWSEVENTS];
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size_t events_count;
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size_t events_pos;
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} WSDeviceRec, *WSDevicePtr;
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/* Middle mouse button emulation */
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extern int wsmbEmuTimer(InputInfoPtr);
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extern BOOL wsmbEmuFilterEvent(InputInfoPtr, int, BOOL);
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extern void wsmbEmuWakeupHandler(pointer, int, pointer);
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extern void wsmbEmuBlockHandler(pointer, struct timeval **, pointer);
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extern void wsmbEmuPreInit(InputInfoPtr);
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extern void wsmbEmuOn(InputInfoPtr);
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extern void wsmbEmuFinalize(InputInfoPtr);
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extern void wsmbEmuInitProperty(DeviceIntPtr);
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/* Mouse wheel emulation */
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extern void wsWheelEmuPreInit(InputInfoPtr);
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extern BOOL wsWheelEmuFilterButton(InputInfoPtr, unsigned int, int);
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extern BOOL wsWheelEmuFilterMotion(InputInfoPtr, int, int);
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extern void wsWheelEmuInitProperty(DeviceIntPtr);
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extern void wsWheelHandleButtonMap(InputInfoPtr, WheelAxisPtr, const char *,
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const char *);
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extern void wsButtonClicks(InputInfoPtr, int, int);
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