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/*
* 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 _SYNAPTICS_H_
#define _SYNAPTICS_H_
#include "synproto.h"
#include "synapticsstr.h"
#include <stdarg.h>
struct SynapticsFrontend {
/**
* Generic messaging call. Called by the core driver to output driver log
* messages.
*/
void (*Msg)(SynapticsPrivate *priv, enum MessageType type,
const char *format, va_list args);
/**
* Return the current time in milliseconds.
*/
unsigned int (*GetCurrentMillis)(void);
/**
* Post a button event of the given type.
*/
void (*ButtonEvent)(SynapticsPrivate *priv, int button, enum ButtonEventType press);
/**
* Post a motion event.
*/
void (*MotionEvent)(SynapticsPrivate *priv, int x, int y);
/**
* Post a scroll event.
*/
void (*ScrollEvent)(SynapticsPrivate *priv, unsigned int which,
double vert, double horiz);
/**
* Post a touch event for the given touchid of the given type.
*/
void (*TouchEvent)(SynapticsPrivate *priv, unsigned int touchid,
enum TouchEventType type, struct VMask *mask);
/**
* Set a timer to be called delay milliseconds after now. That timer should
* call the SynapticsTimerFunc when it fires.
*/
void (*SetTimer)(SynapticsPrivate *priv, unsigned int now, unsigned int delay);
};
/* Wrappers the drivers uses to call the matching frontend calls */
void SynapticsMsg(SynapticsPrivate *priv, enum MessageType type, const char *format, ...);
unsigned int SynapticsGetCurrentMillis(SynapticsPrivate *priv);
void SynapticsButtonEvent(SynapticsPrivate *priv, int button, enum ButtonEventType press);
void SynapticsMotionEvent(SynapticsPrivate *priv, int x, int y);
void SynapticsScrollEvent(SynapticsPrivate *priv, unsigned int which, double vert, double horiz);
void SynapticsTouchEvent(SynapticsPrivate *priv, unsigned int touchid,
enum TouchEventType type, struct VMask *mask);
void SynapticsSetTimer(SynapticsPrivate *priv, unsigned int now, unsigned int delay);
/**
* Initialises the driver-internal structs. Must be the first call to the
* driver core, subsequent calls must use the memory region returned.
* Implemented by: core
* @see SynapticsFreePrivate
*/
SynapticsPrivate * SynapticsInitPrivate(struct SynapticsFrontend *frontend);
/**
* Deletes driver-associated memory regions.
* Implemented by: core
* @see SynapticsInitPrivate
*/
void SynapticsFreePrivate(SynapticsPrivate **private);
/**
* Callback for data available on device file descriptor. Reads data and
* posts events to the frontend.
* Implemented by: core
*/
void SynapticsReadInput(SynapticsPrivate *priv, int fd);
/**
* Initialise device-internal structs and get the device ready for sending
* events. Returns 1 on success or 0 on error.
* Call this before enabling the file descriptor.
* Implemented-by: core
*/
int SynapticsInitDevice(SynapticsPrivate *priv);
/**
* Enable the backend to start sending events. Returns 1 on success or 0 on
* error.
* Implemented-by: core
*/
int SynapticsEnableDevice(SynapticsPrivate *priv, int fd);
/**
* Disable the backend to stop sending events. Returns 1 on success or 0 on
* error.
* Implemented-by: core
*/
int SynapticsDisableDevice(SynapticsPrivate *priv, int fd);
/**
* Shut down the device. Call this after disabling the file descriptor.
* Implemented-by: core
*/
void SynapticsCloseDevice(SynapticsPrivate *priv);
/**
* Finish any device-specifi initialization, once the hardware has been
* queried and all non-default parameters have been set.
* Implemented-by: core
*/
void SynapticsFinishPreInit(SynapticsPrivate * priv);
/**
* Query the hardware for properties, dimensions, etc. Returns 1 on success
* or 0 on failure.
* Implemented-by: core
*/
Bool SynapticsQueryHardware(SynapticsPrivate *priv, int fd);
/**
* Given a protocol string and/or device file, return the backend protocol
* operations and the effectively used device.
* Implemented-by: core
*/
struct SynapticsProtocolOperations*
SynapticsGetDeviceProtocolOps(SynapticsPrivate *priv,
const char *proto,
const char *device,
char **used_device);
/**
* Driver-internal timer callback. Must be called from the front-end
* specific timer handler.
* Implemented-by: core
*/
unsigned int SynapticsTimerFunc(SynapticsPrivate *priv, unsigned int now);
extern struct VMask *vmask_new(int num_valuators);
extern void vmask_free(struct VMask **mask);
extern void vmask_set_range(struct VMask *mask,
int first_valuator,
int num_valuators,
const int *valuators);
extern void vmask_set(struct VMask *mask, int valuator, int data);
extern void vmask_set_double(struct VMask *mask, int valuator, double data);
extern void vmask_zero(struct VMask *mask);
extern int vmask_size(const struct VMask *mask);
extern int vmask_isset(const struct VMask *mask, int bit);
extern void vmask_unset(struct VMask *mask, int bit);
extern int vmask_num_valuators(const struct VMask *mask);
extern void vmask_copy(struct VMask *dest, const struct VMask *src);
extern int vmask_get(const struct VMask *mask, int valnum);
extern double vmask_get_double(const struct VMask *mask, int valnum);
extern Bool vmask_fetch(const struct VMask *mask, int valnum, int *val);
extern Bool vmask_fetch_double(const struct VMask *mask, int valnum, double *val);
#endif /* _SYNAPTICS_H_ */
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