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Pass the event list through to the pointer barrier code to return it 

Instead of having the pointer barrier code enqueue events separately from
GetPointerEvents, pass the event list through and let it add to it.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jasper St. Pierre <jstpierre@mecheye.net>
This commit is contained in:
Peter Hutterer 2012-12-03 10:41:16 +10:00
parent 707b4dc61f
commit 21a15f9a04
5 changed files with 31 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
Xi/xibarriers.c
View File

@ -335,7 +335,8 @@ void
input_constrain_cursor(DeviceIntPtr dev, ScreenPtr screen,
int current_x, int current_y,
int dest_x, int dest_y,
int *out_x, int *out_y)
int *out_x, int *out_y,
int *nevents, InternalEvent* events)
{
/* Clamped coordinates here refer to screen edge clamping. */
BarrierScreenPtr cs = GetBarrierScreen(screen);
@ -356,6 +357,10 @@ input_constrain_cursor(DeviceIntPtr dev, ScreenPtr screen,
.dy = dest_y - current_y,
.root = screen->root->drawable.id,
};
InternalEvent *barrier_events = events;
if (nevents)
*nevents = 0;
if (xorg_list_is_empty(&cs->barriers) || IsFloating(dev))
goto out;
@ -402,7 +407,9 @@ input_constrain_cursor(DeviceIntPtr dev, ScreenPtr screen,
ev.window = c->window->drawable.id;
c->last_timestamp = ms;
mieqEnqueue(dev, (InternalEvent *) &ev);
barrier_events->barrier_event = ev;
barrier_events++;
*nevents += 1;
}
xorg_list_for_each_entry(c, &cs->barriers, entry) {
@ -429,7 +436,9 @@ input_constrain_cursor(DeviceIntPtr dev, ScreenPtr screen,
ev.window = c->window->drawable.id;
c->last_timestamp = ms;
mieqEnqueue(dev, (InternalEvent *) &ev);
barrier_events->barrier_event = ev;
barrier_events++;
*nevents += 1;
/* If we've left the hit box, this is the
* start of a new event ID. */

15
dix/getevents.c
View File

@ -916,10 +916,13 @@ scale_to_desktop(DeviceIntPtr dev, ValuatorMask *mask,
* @param[in,out] devy y desktop-wide coordinate in device coordinate system
* @param[in,out] screenx x coordinate in desktop coordinate system
* @param[in,out] screeny y coordinate in desktop coordinate system
* @param[out] nevents Number of barrier events added to events
* @param[in,out] events List of events barrier events are added to
*/
static ScreenPtr
positionSprite(DeviceIntPtr dev, int mode, ValuatorMask *mask,
double *devx, double *devy, double *screenx, double *screeny)
double *devx, double *devy, double *screenx, double *screeny,
int *nevents, InternalEvent* events)
{
ScreenPtr scr = miPointerGetScreen(dev);
double tmpx, tmpy;
@ -933,7 +936,7 @@ positionSprite(DeviceIntPtr dev, int mode, ValuatorMask *mask,
/* miPointerSetPosition takes care of crossing screens for us, as well as
* clipping to the current screen. Coordinates returned are in desktop
* coord system */
scr = miPointerSetPosition(dev, mode, screenx, screeny);
scr = miPointerSetPosition(dev, mode, screenx, screeny, nevents, events);
/* If we were constrained, rescale x/y from the screen coordinates so
* the device valuators reflect the correct position. For screen
@ -1319,6 +1322,7 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type,
int sx, sy; /* for POINTER_SCREEN */
ValuatorMask mask;
ScreenPtr scr;
int num_barrier_events = 0;
switch (type) {
case MotionNotify:
@ -1395,7 +1399,10 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type,
}
scr = positionSprite(pDev, (flags & POINTER_ABSOLUTE) ? Absolute : Relative,
&mask, &devx, &devy, &screenx, &screeny);
&mask, &devx, &devy, &screenx, &screeny,
&num_barrier_events, events);
num_events += num_barrier_events;
events += num_barrier_events;
/* screenx, screeny are in desktop coordinates,
mask is in device coordinates per-screen (the event data)
@ -1945,7 +1952,7 @@ GetTouchEvents(InternalEvent *events, DeviceIntPtr dev, uint32_t ddx_touchid,
scr = scale_to_desktop(dev, &mask, &devx, &devy, &screenx, &screeny);
if (emulate_pointer)
scr = positionSprite(dev, Absolute, &mask,
&devx, &devy, &screenx, &screeny);
&devx, &devy, &screenx, &screeny, NULL, NULL);
/* see fill_pointer_events for coordinate systems */
if (emulate_pointer)

3
include/input.h
View File

@ -681,6 +681,7 @@ extern _X_HIDDEN void update_desktop_dimensions(void);
extern _X_HIDDEN void input_constrain_cursor(DeviceIntPtr pDev, ScreenPtr screen,
int current_x, int current_y,
int dest_x, int dest_y,
int *out_x, int *out_y);
int *out_x, int *out_y,
int *nevents, InternalEvent* events);
#endif /* INPUT_H */

6
mi/mipointer.c
View File

@ -565,7 +565,8 @@ miPointerMoveNoEvent(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
*/
ScreenPtr
miPointerSetPosition(DeviceIntPtr pDev, int mode, double *screenx,
double *screeny)
double *screeny,
int *nevents, InternalEvent* events)
{
miPointerScreenPtr pScreenPriv;
ScreenPtr pScreen;
@ -598,7 +599,8 @@ miPointerSetPosition(DeviceIntPtr pDev, int mode, double *screenx,
input_constrain_cursor(pDev, pScreen,
current_x, current_y, x, y,
&constrained_x, &constrained_y);
&constrained_x, &constrained_y,
nevents, events);
x = constrained_x;
y = constrained_y;

3
mi/mipointer.h
View File

@ -115,7 +115,8 @@ miPointerGetPosition(DeviceIntPtr pDev, int *x, int *y);
/* Moves the cursor to the specified position. May clip the co-ordinates:
* x and y are modified in-place. */
extern _X_EXPORT ScreenPtr
miPointerSetPosition(DeviceIntPtr pDev, int mode, double *x, double *y);
miPointerSetPosition(DeviceIntPtr pDev, int mode, double *x, double *y,
int *nevents, InternalEvent *events);
extern _X_EXPORT void
miPointerUpdateSprite(DeviceIntPtr pDev);