Bool
CopyGrab(GrabPtr dst, const GrabPtr src)
{
Mask *mdetails_mask = NULL;
Mask *details_mask = NULL;
XI2Mask *xi2mask;
if (src->modifiersDetail.pMask) {
int len = MasksPerDetailMask * sizeof(Mask);
mdetails_mask = malloc(len);
if (!mdetails_mask)
return FALSE;
memcpy(mdetails_mask, src->modifiersDetail.pMask, len);
}
if (src->detail.pMask) {
int len = MasksPerDetailMask * sizeof(Mask);
details_mask = malloc(len);
if (!details_mask) {
free(mdetails_mask);
return FALSE;
}
memcpy(details_mask, src->detail.pMask, len);
}
if (!dst->xi2mask) {
xi2mask = xi2mask_new();
if (!xi2mask) {
free(mdetails_mask);
free(details_mask);
return FALSE;
}
}
else {
xi2mask = dst->xi2mask;
xi2mask_zero(xi2mask, -1);
}
*dst = *src;
dst->modifiersDetail.pMask = mdetails_mask;
dst->detail.pMask = details_mask;
dst->xi2mask = xi2mask;
dst->cursor = RefCursor(src->cursor);
xi2mask_merge(dst->xi2mask, src->xi2mask);
return TRUE;
}
static Bool
xf86_use_hw_cursor(ScreenPtr screen, CursorPtr cursor)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
cursor = RefCursor(cursor);
if (xf86_config->cursor)
FreeCursor(xf86_config->cursor, None);
xf86_config->cursor = cursor;
if (cursor->bits->width > cursor_info->MaxWidth ||
cursor->bits->height > cursor_info->MaxHeight)
return FALSE;
return TRUE;
}
GrabPtr
CreateGrab(int client, DeviceIntPtr device, DeviceIntPtr modDevice,
WindowPtr window, enum InputLevel grabtype, GrabMask *mask,
GrabParameters *param, int type,
KeyCode keybut, /* key or button */
WindowPtr confineTo, CursorPtr cursor)
{
GrabPtr grab;
grab = AllocGrab(NULL);
if (!grab)
return (GrabPtr) NULL;
grab->resource = FakeClientID(client);
grab->device = device;
grab->window = window;
if (grabtype == CORE || grabtype == XI)
grab->eventMask = mask->core; /* same for XI */
else
grab->eventMask = 0;
grab->deviceMask = 0;
grab->ownerEvents = param->ownerEvents;
grab->keyboardMode = param->this_device_mode;
grab->pointerMode = param->other_devices_mode;
grab->modifiersDetail.exact = param->modifiers;
grab->modifiersDetail.pMask = NULL;
grab->modifierDevice = modDevice;
grab->type = type;
grab->grabtype = grabtype;
grab->detail.exact = keybut;
grab->detail.pMask = NULL;
grab->confineTo = confineTo;
grab->cursor = RefCursor(cursor);
grab->next = NULL;
if (grabtype == XI2)
xi2mask_merge(grab->xi2mask, mask->xi2mask);
return grab;
}
static Bool
xf86_use_hw_cursor_argb(ScreenPtr screen, CursorPtr cursor)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
cursor = RefCursor(cursor);
if (xf86_config->cursor)
FreeCursor(xf86_config->cursor, None);
xf86_config->cursor = cursor;
/* Make sure ARGB support is available */
if ((cursor_info->Flags & HARDWARE_CURSOR_ARGB) == 0)
return FALSE;
if (cursor->bits->width > cursor_info->MaxWidth ||
cursor->bits->height > cursor_info->MaxHeight)
return FALSE;
return TRUE;
}