Extract sidebar, lifecycle shell, and canvas unmerged draw

src/platform_windows/windows_lifecycle_shell.cpp

@@ -0,0 +1,96 @@
+#include "pch.h"
+
+#include "platform_windows/windows_lifecycle_shell.h"
+
+#include "app.h"
+#include "legacy_preference_storage.h"
+#include "platform_windows/windows_stylus_input.h"
+
+namespace pp::platform::windows {
+
+namespace {
+
+[[nodiscard]] std::atomic<int>& retained_running_state() noexcept
+{
+    static std::atomic<int> running{-1};
+    return running;
+}
+
+}
+
+std::atomic<int>& lifecycle_running_state() noexcept
+{
+    return retained_running_state();
+}
+
+void mark_lifecycle_running() noexcept
+{
+    retained_running_state().store(1, std::memory_order_relaxed);
+}
+
+void mark_lifecycle_stopped() noexcept
+{
+    retained_running_state().store(0, std::memory_order_relaxed);
+}
+
+bool lifecycle_is_running() noexcept
+{
+    return retained_running_state().load(std::memory_order_relaxed) == 1;
+}
+
+void request_window_close(HWND hWnd)
+{
+    PostMessage(hWnd, kUserCloseMessage, 0, 0);
+}
+
+void handle_window_close_message(VrShellState& vr)
+{
+    mark_lifecycle_stopped();
+    request_stop_and_join_vr_thread(vr);
+    App::I->runtime().ui_thread_stop();
+    App::I->runtime().render_thread_stop();
+    App::I->terminate();
+    delete App::I;
+    PostQuitMessage(0);
+}
+
+void update_stylus_frame(float dt)
+{
+    update_stylus_state(dt);
+}
+
+void update_window_fps(HWND hWnd, const wchar_t* window_title, VrShellState& vr, int frames)
+{
+    static wchar_t title_fps[512];
+    const int vr_fps = current_vr_fps(vr);
+    if (App::I->vr_active)
+        swprintf_s(title_fps, L"%s - %d fps - %d vr fps", window_title, frames, vr_fps);
+    else
+        swprintf_s(title_fps, L"%s - %d fps", window_title, frames);
+
+    SetWindowText(hWnd, title_fps);
+    PostMessage(hWnd, kUserWakeupMessage, 0, 0);
+}
+
+void save_window_preferences(HWND hWnd)
+{
+    WINDOWPLACEMENT placement{};
+    GetWindowPlacement(hWnd, &placement);
+    pp::panopainter::set_legacy_window_preferences(placement.showCmd, {
+        placement.rcNormalPosition.left,
+        placement.rcNormalPosition.top,
+        placement.rcNormalPosition.right,
+        placement.rcNormalPosition.bottom });
+}
+
+bool start_window_vr(VrShellState& vr, bool sandboxed)
+{
+    return start_vr_shell(vr, sandboxed, retained_running_state());
+}
+
+void stop_window_vr(VrShellState& vr)
+{
+    stop_vr_shell(vr);
+}
+
+}