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plugins/platforms/x11/windowed/x11windowed_backend.cpp
| Show First 20 Lines • Show All 534 Lines • ▼ Show 20 Line(s) | 534 | { | |||
|---|---|---|---|---|---|
| 535 | return m_outputs; | 535 | return m_outputs; | ||
| 536 | } | 536 | } | ||
| 537 | 537 | | |||
| 538 | Outputs X11WindowedBackend::enabledOutputs() const | 538 | Outputs X11WindowedBackend::enabledOutputs() const | ||
| 539 | { | 539 | { | ||
| 540 | return m_outputs; | 540 | return m_outputs; | ||
| 541 | } | 541 | } | ||
| 542 | 542 | | |||
| 543 | bool X11WindowedBackend::canLoad() | ||||
| 544 | { | ||||
| 545 | // test X11 connection, almost like in init() | ||||
| 546 | const QByteArray x11display = qgetenv("DISPLAY"); | ||||
| 547 | if (x11display.isEmpty()) { | ||||
| 548 | return false; | ||||
| 549 | } | ||||
| 550 | xcb_connection_t *conn = nullptr; | ||||
| 551 | Display *xDisplay = XOpenDisplay(x11display.constData()); | ||||
| 552 | if (!xDisplay) { | ||||
| 553 | return false; | ||||
| 554 | } | ||||
| 555 | conn = XGetXCBConnection(xDisplay); | ||||
| 556 | if (!conn || xcb_connection_has_error(conn)) { | ||||
| 557 | return false; | ||||
| 558 | } | ||||
| 559 | xcb_disconnect(conn); | ||||
| 560 | XCloseDisplay(xDisplay); | ||||
| 561 | return true; | ||||
| 562 | } | ||||
| 563 | | ||||
| 543 | } | 564 | } | ||