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[client] spice: filter out duplicate X xinput events

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This commit is contained in:
Geoffrey McRae 2021-01-08 02:52:47 +11:00
parent 62f59ce50d
commit c99561c2ac
1 changed files with 24 additions and 9 deletions
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33
client/src/main.c
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@ -843,12 +843,15 @@ static void handleMouseRawEvent(double ex, double ey)
g_cursor.accX += ex;
g_cursor.accY += ey;
ex = floor(g_cursor.accX);
ey = floor(g_cursor.accY);
g_cursor.accX -= ex;
g_cursor.accY -= ey;
int x = floor(g_cursor.accX);
int y = floor(g_cursor.accY);
g_cursor.accX -= x;
g_cursor.accY -= y;
if (!spice_mouse_motion(ex, ey))
if (x == 0 && y == 0)
return;
if (!spice_mouse_motion(x, y))
DEBUG_ERROR("failed to send mouse motion message");
}
@ -1242,17 +1245,16 @@ int eventFilter(void * userdata, SDL_Event * event)
if (cookie->extension != g_XInputOp)
break;
XIDeviceEvent *device = cookie->data;
if (g_cursor.grab)
{
if (device->evtype != XI_RawMotion)
if (cookie->evtype != XI_RawMotion)
break;
if (g_state.ignoreInput)
break;
XIRawEvent *raw = cookie->data;
#if 0
/* true RAW mode, however the UX is pretty poor with it, perhaps
* make this an option later? */
@ -1262,6 +1264,7 @@ int eventFilter(void * userdata, SDL_Event * event)
#else
/* select the active validators for the X & Y axis */
double *valuator = raw->valuators.values;
double *value = raw->raw_values;
int count = 0;
double axis[2];
for(int i = 0; i < raw->valuators.mask_len * 8; ++i)
@ -1272,17 +1275,29 @@ int eventFilter(void * userdata, SDL_Event * event)
if (count == 2)
break;
++valuator;
++value;
}
}
/* filter out duplicate events */
static Time prev_time = 0;
static double prev_axis[2] = {0};
if (raw->time == prev_time && axis[0] == prev_axis[0] && axis[1] == prev_axis[1])
break;
prev_time = raw->time;
prev_axis[0] = axis[0];
prev_axis[1] = axis[1];
handleMouseRawEvent(axis[0], axis[1]);
#endif
}
else
{
if (device->evtype != XI_Motion)
if (cookie->evtype != XI_Motion)
break;
XIDeviceEvent *device = cookie->data;
const int x = round(device->event_x);
const int y = round(device->event_y);