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Diffstat (limited to 'src/synapticsstr.h')
| -rw-r--r-- | src/synapticsstr.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/synapticsstr.h b/src/synapticsstr.h new file mode 100644 index 0000000..ca61a9c --- /dev/null +++ b/src/synapticsstr.h @@ -0,0 +1,142 @@ +/* + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of Red Hat + * not be used in advertising or publicity pertaining to distribution + * of the software without specific, written prior permission. Red + * Hat makes no representations about the suitability of this software + * for any purpose. It is provided "as is" without express or implied + * warranty. + * + * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN + * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS + * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _SYNAPTICSSTR_H_ +#define _SYNAPTICSSTR_H_ + +#include "synproto.h" + +/****************************************************************************** + * Definitions + * structs, typedefs, #defines, enums + *****************************************************************************/ +#define SYNAPTICS_MOVE_HISTORY 5 + +typedef struct _SynapticsMoveHist +{ + int x, y; + int millis; +} SynapticsMoveHistRec; + +enum FingerState { /* Note! The order matters. Compared with < operator. */ + FS_UNTOUCHED, + FS_TOUCHED, + FS_PRESSED +}; + +enum MovingState { + MS_FALSE, + MS_TOUCHPAD_RELATIVE, + MS_TRACKSTICK /* trackstick is always relative */ +}; + +enum MidButtonEmulation { + MBE_OFF, /* No button pressed */ + MBE_LEFT, /* Left button pressed, waiting for right button or timeout */ + MBE_RIGHT, /* Right button pressed, waiting for left button or timeout */ + MBE_MID, /* Left and right buttons pressed, waiting for both buttons + to be released */ + MBE_TIMEOUT /* Waiting for both buttons to be released. */ +}; + +/* See docs/tapndrag.dia for a state machine diagram */ +enum TapState { + TS_START, /* No tap/drag in progress */ + TS_1, /* After first touch */ + TS_MOVE, /* Pointer movement enabled */ + TS_2A, /* After first release */ + TS_2B, /* After second/third/... release */ + TS_SINGLETAP, /* After timeout after first release */ + TS_3, /* After second touch */ + TS_DRAG, /* Pointer drag enabled */ + TS_4, /* After release when "locked drags" enabled */ + TS_5 /* After touch when "locked drags" enabled */ +}; + +enum TapButtonState { + TBS_BUTTON_UP, /* "Virtual tap button" is up */ + TBS_BUTTON_DOWN, /* "Virtual tap button" is down */ + TBS_BUTTON_DOWN_UP /* Send button down event + set up state */ +}; + +typedef struct _SynapticsPrivateRec +{ + SynapticsSHM synpara_default; /* Default parameter settings, read from + the X config file */ + SynapticsSHM *synpara; /* Current parameter settings. Will point to + shared memory if shm_config is true */ + struct SynapticsProtocolOperations* proto_ops; + + struct SynapticsHwState hwState; + + struct SynapticsHwInfo synhw; /* Data read from the touchpad */ + Bool shm_config; /* True when shared memory area allocated */ + + OsTimerPtr timer; /* for up/down-button repeat, tap processing, etc */ + + struct CommData comm; + int fifofd; /* fd for fifo */ + + SynapticsMoveHistRec move_hist[SYNAPTICS_MOVE_HISTORY]; /* movement history */ + int hist_index; /* Last added entry in move_hist[] */ + int largest_valid_x; /* Largest valid X coordinate seen so far */ + int scroll_y; /* last y-scroll position */ + int scroll_x; /* last x-scroll position */ + double scroll_a; /* last angle-scroll position */ + int count_packet_finger; /* packet counter with finger on the touchpad */ + int button_delay_millis; /* button delay for 3rd button emulation */ + Bool prev_up; /* Previous up button value, for double click emulation */ + enum FingerState finger_state; /* previous finger state */ + + enum TapState tap_state; /* State of tap processing */ + int tap_max_fingers; /* Max number of fingers seen since entering start state */ + int tap_button; /* Which button started the tap processing */ + enum TapButtonState tap_button_state; /* Current tap action */ + SynapticsMoveHistRec touch_on; /* data when the touchpad is touched/released */ + + enum MovingState moving_state; /* previous moving state */ + Bool vert_scroll_edge_on; /* Keeps track of currently active scroll modes */ + Bool horiz_scroll_edge_on; /* Keeps track of currently active scroll modes */ + Bool vert_scroll_twofinger_on; /* Keeps track of currently active scroll modes */ + Bool horiz_scroll_twofinger_on; /* Keeps track of currently active scroll modes */ + Bool circ_scroll_on; /* Keeps track of currently active scroll modes */ + Bool circ_scroll_vert; /* True: Generate vertical scroll events + False: Generate horizontal events */ + int trackstick_neutral_x; /* neutral x position for trackstick mode */ + int trackstick_neutral_y; /* neutral y position for trackstick mode */ + double autoscroll_xspd; /* Horizontal coasting speed */ + double autoscroll_yspd; /* Vertical coasting speed */ + double autoscroll_x; /* Accumulated horizontal coasting scroll */ + double autoscroll_y; /* Accumulated vertical coasting scroll */ + int scroll_packet_count; /* Scroll duration */ + double frac_x, frac_y; /* absolute -> relative fraction */ + enum MidButtonEmulation mid_emu_state; /* emulated 3rd button */ + int repeatButtons; /* buttons for repeat */ + int nextRepeat; /* Time when to trigger next auto repeat event */ + int lastButtons; /* last state of the buttons */ + int palm; /* Set to true when palm detected, reset to false when + palm/finger contact disappears */ + int prev_z; /* previous z value, for palm detection */ + int avg_width; /* weighted average of previous fingerWidth values */ + +} SynapticsPrivate; + +#endif /* _SYNAPTICSSTR_H_ */ |