static void handle_gestures(LocalDevicePtr local,
struct Gestures* gs)
{
struct MTouch *mt = local->private;
static bitmask_t buttons_prev = 0U;
int i;
if(mt->absolute_mode == FALSE){
if (mt->cfg.scroll_smooth){
/* Copy states from button_prev into current buttons state */
MODBIT(gs->buttons, 3, GETBIT(buttons_prev, 3));
MODBIT(gs->buttons, 4, GETBIT(buttons_prev, 4));
MODBIT(gs->buttons, 5, GETBIT(buttons_prev, 5));
MODBIT(gs->buttons, 6, GETBIT(buttons_prev, 6));
set_and_post_mask(mt, local->dev, timertoms(&gs->dt));
}
else{
// mt->absolute_mode == FALSE
if (gs->move_dx != 0 || gs->move_dy != 0)
xf86PostMotionEvent(local->dev, 0, 0, 2, gs->move_dx, gs->move_dy);
}
}
else{
/* Give the HW coordinates to Xserver as absolute coordinates, these coordinates
* are not scaled, this is oke if the touchscreen has the same resolution as the display.
*/
xf86PostMotionEvent(local->dev, 1, 0, 2,
mt->state.touch[0].x + get_cap_xmid(&mt->caps),
mt->state.touch[0].y + get_cap_ymid(&mt->caps));
}
for (i = 0; i < 32; i++) {
if (GETBIT(gs->buttons, i) == GETBIT(buttons_prev, i))
continue;
if (GETBIT(gs->buttons, i)) {
xf86PostButtonEvent(local->dev, FALSE, i+1, 1, 0, 0);
#define DEBUG_DRIVER 0
#if DEBUG_DRIVER
xf86Msg(X_INFO, "button %d down\n", i+1);
#endif
}
else {
xf86PostButtonEvent(local->dev, FALSE, i+1, 0, 0, 0);
#if DEBUG_DRIVER
xf86Msg(X_INFO, "button %d up\n", i+1);
#endif
#undef DEBUG_DRIVER
}
}
buttons_prev = gs->buttons;
}
static void CommitScrollEvent(InputInfoPtr pInfo, char value,
char button_positive, char button_negative) {
while (value) {
if (value>0) {
xf86PostButtonEvent(pInfo->dev, 0, button_positive, 1, 0, 0);
xf86PostButtonEvent(pInfo->dev, 0, button_positive, 0, 0, 0);
value--;
} else {
xf86PostButtonEvent(pInfo->dev, 0, button_negative, 1, 0, 0);
xf86PostButtonEvent(pInfo->dev, 0, button_negative, 0, 0, 0);
value++;
}
}
}
static unsigned char CommitButtonWithBitField(InputInfoPtr pInfo, char button,
unsigned char bitfield) {
int i;
unsigned char state,oldstate;
state=bitfield&128;
for (i=1;i<8;i++) {
bitfield<<=1;
oldstate=state;
state=bitfield&128;
if (oldstate && !state)
xf86PostButtonEvent(pInfo->dev, 0, button, 0, 0, 0);
if (!oldstate && state)
xf86PostButtonEvent(pInfo->dev, 0, button, 1, 0, 0);
}
if (bitfield)
return 255;
else
return 0;
}
static void handle_gestures(LocalDevicePtr local, const struct Gestures* gs)
{
const struct MTouch *mt = local->private;
static bitmask_t buttons_prev = 0U;
int i;
int sendMotionEvent = FALSE;
for (i = 0; i < 32; i++) {
if (GETBIT(gs->buttons, i) == GETBIT(buttons_prev, i))
continue;
if (GETBIT(gs->buttons, i)) {
xf86PostButtonEvent(local->dev, FALSE, i+1, 1, 0, 0);
sendMotionEvent = TRUE;
#if DEBUG_DRIVER
xf86Msg(X_INFO, "button %d down\n", i+1);
#endif
}
else {
xf86PostButtonEvent(local->dev, FALSE, i+1, 0, 0, 0);
sendMotionEvent = TRUE;
#if DEBUG_DRIVER
xf86Msg(X_INFO, "button %d up\n", i+1);
#endif
}
}
buttons_prev = gs->buttons;
if (gs->move_dx != 0 || gs->move_dy != 0){
sendMotionEvent = TRUE;
if(mt->cfg.absolute_mode == FALSE)
xf86PostMotionEvent(local->dev, 0, 0, 2, gs->move_dx, gs->move_dy);
}
/* Give the HW coordinates to Xserver as absolute coordinates, these coordinates
* are not scaled, this is oke if the touchscreen has the same resolution as the display.
*/
if(mt->cfg.absolute_mode == TRUE && sendMotionEvent == TRUE)
xf86PostMotionEvent(local->dev, 1, 0, 2, mt->state.touch[0].x, mt->state.touch[0].y);
}
static void
CommitResult(InputInfoPtr pInfo, SynaptixResultPtr result) {
int i;
unsigned char bit;
result->left = CommitButtonWithBitField(pInfo,1,result->left);
result->right = CommitButtonWithBitField(pInfo,3,result->right);
result->middle = CommitButtonWithBitField(pInfo,2,result->middle);
if (pInfo->dev->valuator->mode == Relative && (
result->delta_x || result->delta_y
)) {
xf86PostMotionEvent(pInfo->dev, FALSE, 0, 2, result->delta_x,
result->delta_y);
} else if (pInfo->dev->valuator->mode == Absolute
&& result->abs_x >= 0 && result->abs_y >= 0) {
xf86PostMotionEvent(pInfo->dev, TRUE, 0, 2, result->abs_x,
result->abs_y);
}
result->abs_x = result->abs_y = -1;
result->delta_x = result->delta_y = 0;
CommitScrollEvent(pInfo,result->delta_z,5,4);
CommitScrollEvent(pInfo,result->delta_w,7,6);
result->delta_z = result->delta_w = 0;
bit=1;
for (i=0; i<8;i++) {
xf86PostButtonEvent(pInfo->dev, FALSE, 0, 8+i,
result->extra&bit? 1 : 0, 0, 0);
bit<<=1;
}
result->handled_level=0;
// TODO : commit extra buttons.
}
static void process_state(InputInfoPtr local,
const struct mtev_mtouch *mt)
{
const struct mtev_touch_point *tp;
static int pdown = 0;
int valuators[MAX_VALUATORS];
int down;
int valix;
int contacts;
contacts = valix = down = 0;
while ((tp = mtouch_get_contact(mt, contacts)) != NULL) {
contacts++;
// We don't do remapping of tracking id's so
// make sure clients don't see too high tracking_id numbers
if (tp->tracking_id < MT_NUM_FINGERS) {
int x;
int y;
x = tp->position_x;
y = tp->position_y;
if (mt->swap_xy) {
const int tmp = y;
y = x;
x = tmp;
}
if (mt->invert_x)
x = mt->max_x - x + mt->min_x;
if (mt->invert_y)
y = mt->max_y - y + mt->min_y;
valuators[valix++] = x;
valuators[valix++] = y;
valuators[valix++] = tp->touch_major;
if (mt->caps.has_touch_minor)
valuators[valix++] = tp->touch_minor;
else
valuators[valix++] = tp->touch_major;
valuators[valix++] = tp->tracking_id;
down++;
}
// Don't deliver more than MaxContacts
if (down >= MT_NUM_FINGERS)
break;
}
/* Some x-clients assume they get motion events before button down */
if (down)
xf86PostMotionEventP(local->dev, TRUE,
0, down * MT_AXIS_PER_FINGER, valuators);
if(down && pdown == 0)
xf86PostButtonEventP(local->dev, TRUE,
1, 1,
0, down * MT_AXIS_PER_FINGER, valuators);
else if (down == 0 && pdown)
xf86PostButtonEvent(local->dev, TRUE, 1, 0, 0, 0);
pdown = !!down;
}
