void QXcbCursor::changeCursor(QCursor *cursor, QWindow *widget)
{
QXcbWindow *w = 0;
if (widget && widget->handle())
w = static_cast<QXcbWindow *>(widget->handle());
else
// No X11 cursor control when there is no widget under the cursor
return;
xcb_cursor_t c = XCB_CURSOR_NONE;
bool isBitmapCursor = false;
if (cursor) {
const Qt::CursorShape shape = cursor->shape();
isBitmapCursor = shape == Qt::BitmapCursor;
if (!isBitmapCursor) {
const QXcbCursorCacheKey key(*cursor);
CursorHash::iterator it = m_cursorHash.find(key);
if (it == m_cursorHash.end()) {
it = m_cursorHash.insert(key, createFontCursor(shape));
}
c = it.value();
} else {
// Do not cache bitmap cursors, as otherwise they have unclear
// lifetime (we effectively leak xcb_cursor_t).
c = createBitmapCursor(cursor);
}
}
w->setCursor(c, isBitmapCursor);
}
void QXcbCursor::changeCursor(QCursor *cursor, QWindow *widget)
{
QXcbWindow *w = 0;
if (widget && widget->handle())
w = static_cast<QXcbWindow *>(widget->handle());
else
// No X11 cursor control when there is no widget under the cursor
return;
xcb_cursor_t c = XCB_CURSOR_NONE;
if (cursor) {
const QXcbCursorCacheKey key(*cursor);
CursorHash::iterator it = m_cursorHash.find(key);
if (it == m_cursorHash.end()) {
const Qt::CursorShape shape = cursor->shape();
it = m_cursorHash.insert(key, shape == Qt::BitmapCursor ? createBitmapCursor(cursor) : createFontCursor(shape));
}
c = it.value();
}
w->setCursor(c);
}