void QXcbCursor::cursorThemePropertyChanged(QXcbScreen *screen, const QByteArray &name, const QVariant &property, void *handle)
{
Q_UNUSED(screen);
Q_UNUSED(name);
QXcbCursor *self = static_cast<QXcbCursor *>(handle);
updateCursorTheme(self->connection()->xlib_display(),property.toByteArray());
}
xcb_cursor_t QXcbCursor::createFontCursor(int cshape)
{
xcb_connection_t *conn = xcb_connection();
int cursorId = cursorIdForShape(cshape);
xcb_cursor_t cursor = XCB_NONE;
// Try Xcursor first
#ifdef XCB_USE_XLIB
if (cshape >= 0 && cshape <= Qt::LastCursor) {
void *dpy = connection()->xlib_display();
// special case for non-standard dnd-* cursors
cursor = loadCursor(dpy, cshape);
if (!cursor && !m_gtkCursorThemeInitialized && m_screen->xSettings()->initialized()) {
QByteArray gtkCursorTheme = m_screen->xSettings()->setting("Gtk/CursorThemeName").toByteArray();
m_screen->xSettings()->registerCallbackForProperty("Gtk/CursorThemeName",cursorThemePropertyChanged,this);
if (updateCursorTheme(dpy,gtkCursorTheme)) {
cursor = loadCursor(dpy, cshape);
}
m_gtkCursorThemeInitialized = true;
}
}
if (cursor)
return cursor;
if (!cursor && cursorId) {
cursor = XCreateFontCursor(DISPLAY_FROM_XCB(this), cursorId);
if (cursor)
return cursor;
}
#endif
// Non-standard X11 cursors are created from bitmaps
cursor = createNonStandardCursor(cshape);
// Create a glpyh cursor if everything else failed
if (!cursor && cursorId) {
cursor = xcb_generate_id(conn);
xcb_create_glyph_cursor(conn, cursor, cursorFont, cursorFont,
cursorId, cursorId + 1,
0xFFFF, 0xFFFF, 0xFFFF, 0, 0, 0);
}
if (cursor && cshape >= 0 && cshape < Qt::LastCursor && connection()->hasXFixes()) {
const char *name = cursorNames[cshape];
xcb_xfixes_set_cursor_name(conn, cursor, strlen(name), name);
}
return cursor;
}
