Merge branch 'pointer-emulation-fixes-56558-v2' into for-keith

Xi/exevents.c

@@ -1187,7 +1187,6 @@ TouchRejected(DeviceIntPtr sourcedev, TouchPointInfoPtr ti, XID resource,
               TouchOwnershipEvent *ev)
 {
     Bool was_owner = (resource == ti->listeners[0].listener);
-    void *grab;
     int i;
 
     /* Send a TouchEnd event to the resource being removed, but only if they
@@ -1202,11 +1201,7 @@ TouchRejected(DeviceIntPtr sourcedev, TouchPointInfoPtr ti, XID resource,
 
     /* Remove the resource from the listener list, updating
      * ti->num_listeners, as well as ti->num_grabs if it was a grab. */
-    if (TouchRemoveListener(ti, resource)) {
-        if (dixLookupResourceByType(&grab, resource, RT_PASSIVEGRAB,
-                                    serverClient, DixGetAttrAccess) == Success)
-            ti->num_grabs--;
-    }
+    TouchRemoveListener(ti, resource);
 
     /* If the current owner was removed and there are further listeners, deliver
      * the TouchOwnership or TouchBegin event to the new owner. */
@@ -1300,33 +1295,18 @@ RetrieveTouchDeliveryData(DeviceIntPtr dev, TouchPointInfoPtr ti,
 
     if (listener->type == LISTENER_GRAB ||
         listener->type == LISTENER_POINTER_GRAB) {
-        rc = dixLookupResourceByType((pointer *) grab, listener->listener,
-                                     RT_PASSIVEGRAB,
-                                     serverClient, DixSendAccess);
-        if (rc != Success) {
-            /* the grab doesn't exist but we have a grabbing listener - this
-             * is an implicit/active grab */
-            rc = dixLookupClient(client, listener->listener, serverClient,
-                                 DixSendAccess);
-            if (rc != Success)
-                return FALSE;
 
-            *grab = dev->deviceGrab.grab;
-            if (!*grab)
-                return FALSE;
-        }
+        *grab = listener->grab;
+
+        BUG_RETURN_VAL(!*grab, FALSE);
 
         *client = rClient(*grab);
         *win = (*grab)->window;
         *mask = (*grab)->xi2mask;
     }
     else {
-        if (listener->level == CORE)
-            rc = dixLookupWindow(win, listener->listener,
-                                 serverClient, DixSendAccess);
-        else
         rc = dixLookupResourceByType((pointer *) win, listener->listener,
-                                         RT_INPUTCLIENT,
+                                     listener->resource_type,
                                      serverClient, DixSendAccess);
         if (rc != Success)
             return FALSE;
@@ -1467,6 +1447,8 @@ DeliverTouchEmulatedEvent(DeviceIntPtr dev, TouchPointInfoPtr ti,
              */
             l = &ti->listeners[ti->num_listeners - 1];
             l->listener = devgrab->resource;
+            l->grab = devgrab;
+            //l->resource_type = RT_NONE;
 
             if (devgrab->grabtype != XI2 || devgrab->type != XI_TouchBegin)
                 l->type = LISTENER_POINTER_GRAB;

dix/events.c

@@ -1438,6 +1438,7 @@ UpdateTouchesForGrab(DeviceIntPtr mouse)
                 ti->listeners[0].type = LISTENER_POINTER_GRAB;
             else
                 ti->listeners[0].type = LISTENER_GRAB;
+            ti->listeners[0].grab = grab;
         }
     }
 }
@@ -1521,7 +1522,7 @@ DeactivatePointerGrab(DeviceIntPtr mouse)
                emulate a ButtonRelease here. So pretend the listener
                already has the end event */
             if (grab->grabtype == CORE || grab->grabtype == XI ||
-                    !xi2mask_isset(dev->deviceGrab.grab->xi2mask, dev, XI_TouchBegin))
+                    !xi2mask_isset(mouse->deviceGrab.grab->xi2mask, mouse, XI_TouchBegin))
                 ti->listeners[0].state = LISTENER_HAS_END;
             TouchListenerAcceptReject(mouse, ti, 0, XIRejectTouch);
         }
@@ -1550,15 +1551,6 @@ DeactivatePointerGrab(DeviceIntPtr mouse)
         ReattachToOldMaster(mouse);
 
     ComputeFreezes();
-
-    /* If an explicit grab was deactivated, we must remove it from the head of
-     * all the touches' listener lists. */
-    for (i = 0; mouse->touch && i < mouse->touch->num_touches; i++) {
-        TouchPointInfoPtr ti = mouse->touch->touches + i;
-
-        if (ti->active && TouchResourceIsOwner(ti, grab_resource))
-            TouchListenerAcceptReject(mouse, ti, 0, XIRejectTouch);
-    }
 }
 
 /**

dix/touch.c

@@ -675,15 +675,20 @@ TouchResourceIsOwner(TouchPointInfoPtr ti, XID resource)
  * Add the resource to this touch's listeners.
  */
 void
-TouchAddListener(TouchPointInfoPtr ti, XID resource, enum InputLevel level,
-                 enum TouchListenerType type, enum TouchListenerState state,
-                 WindowPtr window)
+TouchAddListener(TouchPointInfoPtr ti, XID resource, int resource_type,
+                 enum InputLevel level, enum TouchListenerType type,
+                 enum TouchListenerState state, WindowPtr window,
+                 GrabPtr grab)
 {
     ti->listeners[ti->num_listeners].listener = resource;
+    ti->listeners[ti->num_listeners].resource_type = resource_type;
     ti->listeners[ti->num_listeners].level = level;
     ti->listeners[ti->num_listeners].state = state;
     ti->listeners[ti->num_listeners].type = type;
     ti->listeners[ti->num_listeners].window = window;
+    ti->listeners[ti->num_listeners].grab = grab;
+    if (grab)
+        ti->num_grabs++;
     ti->num_listeners++;
 }
 
@@ -702,6 +707,11 @@ TouchRemoveListener(TouchPointInfoPtr ti, XID resource)
         if (ti->listeners[i].listener == resource) {
             int j;
 
+            if (ti->listeners[i].grab) {
+                ti->listeners[i].grab = NULL;
+                ti->num_grabs--;
+            }
+
             for (j = i; j < ti->num_listeners - 1; j++)
                 ti->listeners[j] = ti->listeners[j + 1];
             ti->num_listeners--;
@@ -732,9 +742,9 @@ TouchAddGrabListener(DeviceIntPtr dev, TouchPointInfoPtr ti,
         type = LISTENER_POINTER_GRAB;
     }
 
-    TouchAddListener(ti, grab->resource, grab->grabtype,
-                     type, LISTENER_AWAITING_BEGIN, grab->window);
-    ti->num_grabs++;
+    /* grab listeners are always RT_NONE since we keep the grab pointer */
+    TouchAddListener(ti, grab->resource, RT_NONE, grab->grabtype,
+                     type, LISTENER_AWAITING_BEGIN, grab->window, grab);
 }
 
 /**
@@ -789,8 +799,8 @@ TouchAddRegularListener(DeviceIntPtr dev, TouchPointInfoPtr ti,
             if (!xi2mask_isset(iclients->xi2mask, dev, XI_TouchOwnership))
                 TouchEventHistoryAllocate(ti);
 
-            TouchAddListener(ti, iclients->resource, XI2,
-                             type, LISTENER_AWAITING_BEGIN, win);
+            TouchAddListener(ti, iclients->resource, RT_INPUTCLIENT, XI2,
+                             type, LISTENER_AWAITING_BEGIN, win, NULL);
             return TRUE;
         }
     }
@@ -804,9 +814,9 @@ TouchAddRegularListener(DeviceIntPtr dev, TouchPointInfoPtr ti,
                 continue;
 
             TouchEventHistoryAllocate(ti);
-            TouchAddListener(ti, iclients->resource, XI,
+            TouchAddListener(ti, iclients->resource, RT_INPUTCLIENT, XI,
                              LISTENER_POINTER_REGULAR, LISTENER_AWAITING_BEGIN,
-                             win);
+                             win, NULL);
             return TRUE;
         }
     }
@@ -819,9 +829,9 @@ TouchAddRegularListener(DeviceIntPtr dev, TouchPointInfoPtr ti,
         /* window owner */
         if (IsMaster(dev) && (win->eventMask & core_filter)) {
             TouchEventHistoryAllocate(ti);
-            TouchAddListener(ti, win->drawable.id, CORE,
+            TouchAddListener(ti, win->drawable.id, RT_WINDOW, CORE,
                              LISTENER_POINTER_REGULAR, LISTENER_AWAITING_BEGIN,
-                             win);
+                             win, NULL);
             return TRUE;
         }
 
@@ -831,8 +841,8 @@ TouchAddRegularListener(DeviceIntPtr dev, TouchPointInfoPtr ti,
                 continue;
 
             TouchEventHistoryAllocate(ti);
-            TouchAddListener(ti, oclients->resource, CORE,
-                             type, LISTENER_AWAITING_BEGIN, win);
+            TouchAddListener(ti, oclients->resource, RT_OTHERCLIENT, CORE,
+                             type, LISTENER_AWAITING_BEGIN, win, NULL);
             return TRUE;
         }
     }

include/input.h

@@ -565,9 +565,9 @@ extern void TouchEventHistoryPush(TouchPointInfoPtr ti, const DeviceEvent *ev);
 extern void TouchEventHistoryReplay(TouchPointInfoPtr ti, DeviceIntPtr dev,
                                     XID resource);
 extern Bool TouchResourceIsOwner(TouchPointInfoPtr ti, XID resource);
-extern void TouchAddListener(TouchPointInfoPtr ti, XID resource,
+extern void TouchAddListener(TouchPointInfoPtr ti, XID resource, int resource_type,
                              enum InputLevel level, enum TouchListenerType type,
-                             enum TouchListenerState state, WindowPtr window);
+                             enum TouchListenerState state, WindowPtr window, GrabPtr grab);
 extern Bool TouchRemoveListener(TouchPointInfoPtr ti, XID resource);
 extern void TouchSetupListeners(DeviceIntPtr dev, TouchPointInfoPtr ti,
                                 InternalEvent *ev);

include/inputstr.h

@@ -298,6 +298,17 @@ typedef struct _ValuatorClassRec {
     int v_scroll_axis;          /* vert smooth-scrolling axis */
 } ValuatorClassRec;
 
+typedef struct _TouchListener {
+    XID listener;           /* grabs/event selection IDs receiving
+                             * events for this touch */
+    int resource_type;      /* listener's resource type */
+    enum TouchListenerType type;
+    enum TouchListenerState state;
+    enum InputLevel level;  /* matters only for emulating touches */
+    WindowPtr window;
+    GrabPtr grab;
+} TouchListener;
+
 typedef struct _TouchPointInfo {
     uint32_t client_id;         /* touch ID as seen in client events */
     int sourceid;               /* Source device's ID for this touchpoint */
@@ -306,14 +317,7 @@ typedef struct _TouchPointInfo {
                                  * but still owned by a grab */
     SpriteRec sprite;           /* window trace for delivery */
     ValuatorMask *valuators;    /* last recorded axis values */
-    struct _TouchListener {
-        XID listener;           /* grabs/event selection IDs receiving
-                                 * events for this touch */
-        enum TouchListenerType type;
-        enum TouchListenerState state;
-        enum InputLevel level;  /* matters only for emulating touches */
-        WindowPtr window;
-    } *listeners;
+    TouchListener *listeners;   /* set of listeners */
     int num_listeners;
     int num_grabs;              /* number of open grabs on this touch
                                  * which have not accepted or rejected */