diff options
| -rw-r--r-- | Xi/exevents.c | 28 | ||||
| -rw-r--r-- | dix/touch.c | 5 |
2 files changed, 33 insertions, 0 deletions
diff --git a/Xi/exevents.c b/Xi/exevents.c index ae3652b68..c8bd222e9 100644 --- a/Xi/exevents.c +++ b/Xi/exevents.c @@ -1610,6 +1610,34 @@ ProcessTouchEvent(InternalEvent *ev, DeviceIntPtr dev) else ti = TouchFindByClientID(dev, touchid); + /* Under the following circumstances we create a new touch record for an + * existing touch: + * + * - The touch may be pointer emulated + * - An explicit grab is active on the device + * - The grab is a pointer grab + * + * This allows for an explicit grab to receive pointer events for an already + * active touch. + */ + if (!ti && type != ET_TouchBegin && emulate_pointer && + dev->deviceGrab.grab && !dev->deviceGrab.fromPassiveGrab && + (dev->deviceGrab.grab->grabtype == CORE || + dev->deviceGrab.grab->grabtype == XI || + !xi2mask_isset(dev->deviceGrab.grab->xi2mask, dev, XI_TouchBegin))) { + ti = TouchBeginTouch(dev, ev->device_event.sourceid, touchid, + emulate_pointer); + if (!ti) { + DebugF("[Xi] %s: Failed to create new dix record for explicitly " + "grabbed touchpoint %d\n", + dev->name, type, touchid); + return; + } + + TouchBuildSprite(dev, ti, ev); + TouchSetupListeners(dev, ti, ev); + } + if (!ti) { DebugF("[Xi] %s: Failed to get event %d for touchpoint %d\n", dev->name, type, touchid); diff --git a/dix/touch.c b/dix/touch.c index e638a894a..572bdfb94 100644 --- a/dix/touch.c +++ b/dix/touch.c @@ -864,6 +864,11 @@ TouchSetupListeners(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev) if (dev->deviceGrab.grab) TouchAddActiveGrabListener(dev, ti, ev, dev->deviceGrab.grab); + /* We set up an active touch listener for existing touches, but not any + * passive grab or regular listeners. */ + if (ev->any.type != ET_TouchBegin) + return; + /* First, find all grabbing clients from the root window down * to the deepest child window. */ for (i = 0; i < sprite->spriteTraceGood; i++) { |