xserver git update 16 dec 2011

1 files changed, 74 insertions, 73 deletions

diff --git a/xorg-server/Xi/exevents.c b/xorg-server/Xi/exevents.c
index b2e82ec06..45a289add 100644
--- a/xorg-server/Xi/exevents.c
+++ b/xorg-server/Xi/exevents.c
@@ -704,6 +704,55 @@ ChangeMasterDeviceClasses(DeviceIntPtr device, DeviceChangedEvent *dce)
 }
 
 /**
+ * Add state and motionMask to the filter for this event. The protocol
+ * supports some extra masks for motion when a button is down:
+ * ButtonXMotionMask and the DeviceButtonMotionMask to trigger only when at
+ * least one button (or that specific button is down). These masks need to
+ * be added to the filters for core/XI motion events.
+ *
+ * @param device The device to update the mask for
+ * @param state The current button state mask
+ * @param motion_mask The motion mask (DeviceButtonMotionMask or 0)
+ */
+static void
+UpdateDeviceMotionMask(DeviceIntPtr device, unsigned short state,
+                       Mask motion_mask)
+{
+    Mask mask;
+
+    mask = DevicePointerMotionMask | state | motion_mask;
+    SetMaskForEvent(device->id, mask, DeviceMotionNotify);
+    mask = PointerMotionMask | state | motion_mask;
+    SetMaskForEvent(device->id, mask, MotionNotify);
+}
+
+static void
+IncreaseButtonCount(DeviceIntPtr dev, int key, CARD8 *buttons_down,
+                    Mask *motion_mask, unsigned short *state)
+{
+    if (dev->valuator)
+        dev->valuator->motionHintWindow = NullWindow;
+
+    (*buttons_down)++;
+    *motion_mask = DeviceButtonMotionMask;
+    if (dev->button->map[key] <= 5)
+        *state |= (Button1Mask >> 1) << dev->button->map[key];
+}
+
+static void
+DecreaseButtonCount(DeviceIntPtr dev, int key, CARD8 *buttons_down,
+                    Mask *motion_mask, unsigned short *state)
+{
+    if (dev->valuator)
+        dev->valuator->motionHintWindow = NullWindow;
+
+    if (*buttons_down >= 1 && !--(*buttons_down))
+        *motion_mask = 0;
+    if (dev->button->map[key] <= 5)
+        *state &= ~((Button1Mask >> 1) << dev->button->map[key]);
+}
+
+/**
  * Update the device state according to the data in the event.
  *
  * return values are
@@ -801,7 +850,6 @@ UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event)
 	    device->valuator->motionHintWindow = NullWindow;
 	set_key_up(device, key, KEY_PROCESSED);
     } else if (event->type == ET_ButtonPress) {
-        Mask mask;
         if (!b)
             return DONT_PROCESS;
 
@@ -809,22 +857,13 @@ UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event)
             return DONT_PROCESS;
 
         set_button_down(device, key, BUTTON_PROCESSED);
-	if (device->valuator)
-	    device->valuator->motionHintWindow = NullWindow;
+
         if (!b->map[key])
             return DONT_PROCESS;
-        b->buttonsDown++;
-	b->motionMask = DeviceButtonMotionMask;
-        if (b->map[key] <= 5)
-	    b->state |= (Button1Mask >> 1) << b->map[key];
-
-        /* Add state and motionMask to the filter for this event */
-        mask = DevicePointerMotionMask | b->state | b->motionMask;
-        SetMaskForEvent(device->id, mask, DeviceMotionNotify);
-        mask = PointerMotionMask | b->state | b->motionMask;
-        SetMaskForEvent(device->id, mask, MotionNotify);
+
+        IncreaseButtonCount(device, key, &b->buttonsDown, &b->motionMask, &b->state);
+        UpdateDeviceMotionMask(device, b->state, b->motionMask);
     } else if (event->type == ET_ButtonRelease) {
-        Mask mask;
         if (!b)
             return DONT_PROCESS;
 
@@ -850,20 +889,11 @@ UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event)
             }
         }
         set_button_up(device, key, BUTTON_PROCESSED);
-	if (device->valuator)
-	    device->valuator->motionHintWindow = NullWindow;
         if (!b->map[key])
             return DONT_PROCESS;
-        if (b->buttonsDown >= 1 && !--b->buttonsDown)
-	    b->motionMask = 0;
-	if (b->map[key] <= 5)
-	    b->state &= ~((Button1Mask >> 1) << b->map[key]);
-
-        /* Add state and motionMask to the filter for this event */
-        mask = DevicePointerMotionMask | b->state | b->motionMask;
-        SetMaskForEvent(device->id, mask, DeviceMotionNotify);
-        mask = PointerMotionMask | b->state | b->motionMask;
-        SetMaskForEvent(device->id, mask, MotionNotify);
+
+        DecreaseButtonCount(device, key, &b->buttonsDown, &b->motionMask, &b->state);
+        UpdateDeviceMotionMask(device,  b->state, b->motionMask);
     } else if (event->type == ET_ProximityIn)
 	device->proximity->in_proximity = TRUE;
     else if (event->type == ET_ProximityOut)
@@ -885,7 +915,7 @@ ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device)
     int key = 0, rootX, rootY;
     ButtonClassPtr b;
     int ret = 0;
-    int corestate, i;
+    int corestate;
     DeviceIntPtr mouse = NULL, kbd = NULL;
     DeviceEvent *event = &ev->device_event;
 
@@ -915,33 +945,8 @@ ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device)
             mouse = NULL;
     }
 
-    /* core state needs to be assembled BEFORE the device is updated. */
-    corestate = (kbd && kbd->key) ? XkbStateFieldFromRec(&kbd->key->xkbInfo->state) : 0;
-    corestate |= (mouse && mouse->button) ? (mouse->button->state) : 0;
-
-    for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
-        if (BitIsOn(mouse->button->down, i))
-            SetBit(event->buttons, i);
-
-    if (kbd && kbd->key)
-    {
-        XkbStatePtr state;
-        /* we need the state before the event happens */
-        if (event->type == ET_KeyPress || event->type == ET_KeyRelease)
-            state = &kbd->key->xkbInfo->prev_state;
-        else
-            state = &kbd->key->xkbInfo->state;
-
-        event->mods.base = state->base_mods;
-        event->mods.latched = state->latched_mods;
-        event->mods.locked = state->locked_mods;
-        event->mods.effective = state->mods;
-
-        event->group.base = state->base_group;
-        event->group.latched = state->latched_group;
-        event->group.locked = state->locked_group;
-        event->group.effective = state->group;
-    }
+    corestate = event_get_corestate(mouse, kbd);
+    event_set_state(mouse, kbd, event);
 
     ret = UpdateDeviceState(device, event);
     if (ret == DONT_PROCESS)
@@ -996,9 +1001,7 @@ ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device)
         case ET_KeyRelease:
             if (grab && device->deviceGrab.fromPassiveGrab &&
                 (key == device->deviceGrab.activatingKey) &&
-                (device->deviceGrab.grab->type == KeyPress ||
-                 device->deviceGrab.grab->type == DeviceKeyPress ||
-                 device->deviceGrab.grab->type == XI_KeyPress))
+                GrabIsKeyboardGrab(device->deviceGrab.grab))
                 deactivateDeviceGrab = TRUE;
             break;
         case ET_ButtonPress:
@@ -1018,9 +1021,7 @@ ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device)
             event->detail.button = b->map[key];
             if (grab && !b->buttonsDown &&
                 device->deviceGrab.fromPassiveGrab &&
-                (device->deviceGrab.grab->type == ButtonPress ||
-                 device->deviceGrab.grab->type == DeviceButtonPress ||
-                 device->deviceGrab.grab->type == XI_ButtonPress))
+                GrabIsPointerGrab(device->deviceGrab.grab))
                 deactivateDeviceGrab = TRUE;
         default:
             break;
@@ -1388,9 +1389,9 @@ DeviceFocusEvent(DeviceIntPtr dev, int type, int mode, int detail,
 int
 CheckGrabValues(ClientPtr client, GrabParameters* param)
 {
-    if (param->grabtype != GRABTYPE_CORE &&
-        param->grabtype != GRABTYPE_XI &&
-        param->grabtype != GRABTYPE_XI2)
+    if (param->grabtype != CORE &&
+        param->grabtype != XI &&
+        param->grabtype != XI2)
     {
         ErrorF("[Xi] grabtype is invalid. This is a bug.\n");
         return BadImplementation;
@@ -1407,7 +1408,7 @@ CheckGrabValues(ClientPtr client, GrabParameters* param)
 	return BadValue;
     }
 
-    if (param->grabtype != GRABTYPE_XI2 && (param->modifiers != AnyModifier) &&
+    if (param->grabtype != XI2 && (param->modifiers != AnyModifier) &&
         (param->modifiers & ~AllModifiersMask)) {
 	client->errorValue = param->modifiers;
 	return BadValue;
@@ -1422,7 +1423,7 @@ CheckGrabValues(ClientPtr client, GrabParameters* param)
 
 int
 GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
-           int button, GrabParameters *param, GrabType grabtype,
+           int button, GrabParameters *param, enum InputLevel grabtype,
 	   GrabMask *mask)
 {
     WindowPtr pWin, confineTo;
@@ -1462,9 +1463,9 @@ GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
     if (rc != Success)
 	return rc;
 
-    if (grabtype == GRABTYPE_XI)
+    if (grabtype == XI)
         type = DeviceButtonPress;
-    else if (grabtype == GRABTYPE_XI2)
+    else if (grabtype == XI2)
         type = XI_ButtonPress;
 
     grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype,
@@ -1475,12 +1476,12 @@ GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
 }
 
 /**
- * Grab the given key. If grabtype is GRABTYPE_XI, the key is a keycode. If
- * grabtype is GRABTYPE_XI2, the key is a keysym.
+ * Grab the given key. If grabtype is XI, the key is a keycode. If
+ * grabtype is XI2, the key is a keysym.
  */
 int
 GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
-        int key, GrabParameters *param, GrabType grabtype, GrabMask *mask)
+        int key, GrabParameters *param, enum InputLevel grabtype, GrabMask *mask)
 {
     WindowPtr pWin;
     GrabPtr grab;
@@ -1493,7 +1494,7 @@ GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
         return rc;
     if ((dev->id != XIAllDevices && dev->id != XIAllMasterDevices) && k == NULL)
 	return BadMatch;
-    if (grabtype == GRABTYPE_XI)
+    if (grabtype == XI)
     {
         if ((key > k->xkbInfo->desc->max_key_code ||
                     key < k->xkbInfo->desc->min_key_code)
@@ -1502,7 +1503,7 @@ GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
             return BadValue;
         }
         type = DeviceKeyPress;
-    } else if (grabtype == GRABTYPE_XI2)
+    } else if (grabtype == XI2)
         type = XI_KeyPress;
 
     rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);
@@ -1557,7 +1558,7 @@ GrabWindow(ClientPtr client, DeviceIntPtr dev, int type,
     if (rc != Success)
 	return rc;
 
-    grab = CreateGrab(client->index, dev, dev, pWin, GRABTYPE_XI2,
+    grab = CreateGrab(client->index, dev, dev, pWin, XI2,
                       mask, param, (type == XIGrabtypeEnter) ? XI_Enter : XI_FocusIn,
                       0, NULL, cursor);