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Xi: split some grab parameter checking out of GrabButton and GrabKey.

This commit is contained in:
Peter Hutterer 2009-04-26 21:43:25 +10:00
parent 98a1fa9941
commit e8e26f700c
1 changed files with 28 additions and 30 deletions
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58
Xi/exevents.c
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@ -1349,18 +1349,10 @@ DeviceFocusEvent(DeviceIntPtr dev, int type, int mode, int detail,
}
}
int
GrabButton(ClientPtr client, DeviceIntPtr dev, BYTE this_device_mode,
BYTE other_devices_mode, CARD16 modifiers,
DeviceIntPtr modifier_device, CARD8 button, Window grabWindow,
BOOL ownerEvents, Cursor rcursor, Window rconfineTo, Mask eventMask)
static int
CheckGrabValues(ClientPtr client, DeviceIntPtr dev, BYTE this_device_mode,
BYTE other_devices_mode, CARD16 modifiers, BOOL ownerEvents)
{
WindowPtr pWin, confineTo;
CursorPtr cursor;
GrabPtr grab;
Mask access_mode = DixGrabAccess;
int rc;
if ((this_device_mode != GrabModeSync) &&
(this_device_mode != GrabModeAsync)) {
client->errorValue = this_device_mode;
@ -1379,7 +1371,23 @@ GrabButton(ClientPtr client, DeviceIntPtr dev, BYTE this_device_mode,
client->errorValue = ownerEvents;
return BadValue;
}
rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess);
return Success;
}
int
GrabButton(ClientPtr client, DeviceIntPtr dev, BYTE this_device_mode,
BYTE other_devices_mode, CARD16 modifiers,
DeviceIntPtr modifier_device, CARD8 button, Window grabWindow,
BOOL ownerEvents, Cursor rcursor, Window rconfineTo, Mask eventMask)
{
WindowPtr pWin, confineTo;
CursorPtr cursor;
GrabPtr grab;
int rc;
Mask access_mode = DixGrabAccess;
rc = CheckGrabValues(client, dev, this_device_mode, other_devices_mode,
modifiers, ownerEvents);
if (rc != Success)
return rc;
if (rconfineTo == None)
@ -1406,6 +1414,10 @@ GrabButton(ClientPtr client, DeviceIntPtr dev, BYTE this_device_mode,
rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
if (rc != Success)
return rc;
rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess);
if (rc != Success)
return rc;
grab = CreateGrab(client->index, dev, pWin, eventMask,
(Bool) ownerEvents, (Bool) this_device_mode,
@ -1428,32 +1440,18 @@ GrabKey(ClientPtr client, DeviceIntPtr dev, BYTE this_device_mode,
Mask access_mode = DixGrabAccess;
int rc;
rc = CheckGrabValues(client, dev, this_device_mode, other_devices_mode,
modifiers, ownerEvents);
if (rc != Success)
return rc;
if (k == NULL)
return BadMatch;
if ((other_devices_mode != GrabModeSync) &&
(other_devices_mode != GrabModeAsync)) {
client->errorValue = other_devices_mode;
return BadValue;
}
if ((this_device_mode != GrabModeSync) &&
(this_device_mode != GrabModeAsync)) {
client->errorValue = this_device_mode;
return BadValue;
}
if ((key > k->xkbInfo->desc->max_key_code ||
key < k->xkbInfo->desc->min_key_code)
&& (key != AnyKey)) {
client->errorValue = key;
return BadValue;
}
if ((modifiers != AnyModifier) && (modifiers & ~AllModifiersMask)) {
client->errorValue = modifiers;
return BadValue;
}
if ((ownerEvents != xTrue) && (ownerEvents != xFalse)) {
client->errorValue = ownerEvents;
return BadValue;
}
rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess);
if (rc != Success)
return rc;