bool
SharedMemoryBasic::Map(size_t nBytes)
{
NS_ABORT_IF_FALSE(nullptr == mMemory, "Already Map()d");
mMemory = mmap(nullptr, nBytes,
PROT_READ | PROT_WRITE,
MAP_SHARED,
mShmFd,
0);
if (MAP_FAILED == mMemory) {
LogError("ShmemAndroid::Map()");
mMemory = nullptr;
return false;
}
Mapped(nBytes);
return true;
}
compzillaWindow::compzillaWindow(Display *display, Window win, XWindowAttributes *attrs)
: mAttr(*attrs),
mDisplay(display),
mWindow(win),
mPixmap(None),
mDamage(None),
mLastEntered(None),
mIsDestroyed(false),
mIsRedirected(false),
mIsResizePending(false)
{
XSelectInput (display, win, (PropertyChangeMask | EnterWindowMask | FocusChangeMask));
#if HAVE_XSHAPE
XShapeSelectInput (display, win, ShapeNotifyMask);
#endif
// Get notified of global cursor changes.
// FIXME: This is not very useful, as X has no way of fetching the Cursor
// for a given window.
//XFixesSelectCursorInput (display, win, XFixesDisplayCursorNotifyMask);
XGrabButton (display, AnyButton, AnyModifier, win, true,
(ButtonPressMask | ButtonReleaseMask | ButtonMotionMask),
GrabModeSync, GrabModeSync, None, None);
/*
* Set up damage notification. RawRectangles gives us smaller grain
* changes, versus NonEmpty which seems to always include the entire
* contents.
*/
mDamage = XDamageCreate (mDisplay, mWindow, XDamageReportRawRectangles);
if (mAttr.map_state == IsViewable) {
mAttr.map_state = IsUnmapped;
Mapped (mAttr.override_redirect);
}
}
/**
* @pre Mapped()
*/
GLvoid* RawData(void)
{
assert(Mapped());
return _ptr;
}
