| | | 1 | | // SPDX-FileCopyrightText: 2026 Alper Çelik |
| | | 2 | | // SPDX-License-Identifier: MIT OR Apache-2.0 |
| | | 3 | | |
| | | 4 | | //! Runtime-level declarations (owned by the runtime worker): raw platform |
| | | 5 | | //! handles, the event-loop pump and exit. |
| | | 6 | | //! |
| | | 7 | | //! C++ translation units include the cxx-generated header for this bridge: |
| | | 8 | | //! `#include "tauri-runtime-qt/src/bridge/runtime.rs.h"`. It pulls in |
| | | 9 | | //! `qt_runtime.hpp` and declares the `qt_on_pump_tick` callback with the |
| | | 10 | | //! linkage cxx expects, so `qt_runtime.cpp` must not hand-declare it. |
| | | 11 | | |
| | | 12 | | #[cxx::bridge] |
| | | 13 | | pub mod ffi { |
| | | 14 | | unsafe extern "C++" { |
| | | 15 | | include!("qt_runtime.hpp"); |
| | | 16 | | |
| | | 17 | | // ---- native platform / raw handles (qt_runtime.cpp) ---- |
| | | 18 | | /// Platform connection Qt is running on: 0 = none/unknown (no |
| | | 19 | | /// `QGuiApplication`, or a platform plugin without window-system |
| | | 20 | | /// handles such as offscreen/minimal/eglfs), 1 = X11 through the xcb |
| | | 21 | | /// plugin, 2 = X11 with only the Xlib `Display*` available, 3 = |
| | | 22 | | /// Wayland. |
| | 0 | 23 | | fn qt_runtime_platform_kind() -> i32; |
| | | 24 | | |
| | | 25 | | /// Name of the platform plugin Qt runs on ("wayland", "xcb", …), empty |
| | | 26 | | /// when there is no `QGuiApplication`. |
| | 21 | 27 | | fn qt_runtime_platform_name() -> String; |
| | | 28 | | |
| | | 29 | | /// Native display connection of the platform plugin |
| | | 30 | | /// (`xcb_connection_t*` / `Display*` / `wl_display*`), 0 when there is |
| | | 31 | | /// no application or the platform is not handled. Reads only state the |
| | | 32 | | /// `QGuiApplication` constructor froze, so it is safe from any thread. |
| | 0 | 33 | | fn qt_runtime_display_pointer() -> u64; |
| | | 34 | | |
| | | 35 | | /// Native window id (`QWidget::winId()`) of the window registered under |
| | | 36 | | /// `id`: an XID on X11, the `wl_surface*` of the window on Wayland. |
| | | 37 | | /// Marshals to the GUI thread and waits (bounded, see |
| | | 38 | | /// `qt_runtime.hpp`); returns 0 for an unknown handle or when the GUI |
| | | 39 | | /// thread did not answer in time. |
| | 0 | 40 | | fn qt_runtime_window_winid(id: u64) -> u64; |
| | | 41 | | |
| | | 42 | | // ---- event loop ---- |
| | | 43 | | /// Posts an immediate pump tick on the Qt GUI thread. Safe and |
| | | 44 | | /// non-blocking from any thread; a no-op before the `QCoreApplication` |
| | | 45 | | /// exists (the events stay queued until the first tick). |
| | 0 | 46 | | fn qt_runtime_wake(); |
| | | 47 | | |
| | | 48 | | /// Whether a `QCoreApplication` exists (the runtime has been |
| | | 49 | | /// constructed); `request_exit` has nothing to exit otherwise. |
| | 0 | 50 | | fn qt_runtime_has_application() -> bool; |
| | | 51 | | |
| | | 52 | | /// Installs the drain timer on the application object (idempotent). |
| | | 53 | | /// Returns false when there is no `QCoreApplication`. |
| | 21 | 54 | | fn qt_runtime_start_pump() -> bool; |
| | | 55 | | |
| | | 56 | | /// `QCoreApplication::exit(code)` on the GUI thread. |
| | 0 | 57 | | fn qt_runtime_exit(code: i32); |
| | | 58 | | |
| | | 59 | | /// `QCoreApplication::processEvents()` on the GUI thread. |
| | 0 | 60 | | fn qt_runtime_process_events(); |
| | | 61 | | |
| | | 62 | | /// Human-readable native handle state ("platform=… kind=… display=… |
| | | 63 | | /// [winId=…]") for the env-guarded proxy probe in `ops::runtime`. |
| | | 64 | | /// GUI thread only (it calls `QWidget::winId()`). |
| | 0 | 65 | | fn qt_runtime_debug_native_state() -> String; |
| | | 66 | | } |
| | | 67 | | |
| | | 68 | | extern "Rust" { |
| | | 69 | | /// Drain hook: called by the pump timer and by `qt_runtime_wake()` on |
| | | 70 | | /// the Qt GUI thread. Feeds the queued events to the sink and leaves the |
| | | 71 | | /// loop when an exit was requested. The logic lives in |
| | | 72 | | /// `ops::runtime::pump_tick`. |
| | | 73 | | fn qt_on_pump_tick(); |
| | | 74 | | } |
| | | 75 | | } |
| | | 76 | | |
| | | 77 | | /// Drain hook called from Qt on the GUI thread (see the bridge declaration). |
| | 14370 | 78 | | pub fn qt_on_pump_tick() { |
| | 14370 | 79 | | crate::ops::runtime::pump_tick(); |
| | 14370 | 80 | | } |