Move Win32 bindings into runtime state

src/platform_windows/windows_runtime_shell.cpp

@@ -10,32 +10,9 @@
 #include "platform_windows/windows_runtime_state.h"
 #include "platform_windows/windows_stylus_input.h"
 #include "platform_windows/windows_window_shell.h"
-#include "wacom.h"
 
 namespace pp::platform::windows {
 
-void bind_app(App* app) noexcept
-{
-    App::I = app;
-}
-
-App* bound_app() noexcept
-{
-    return App::I;
-}
-
-void release_bound_app() noexcept
-{
-    bind_app(nullptr);
-    bind_runtime(nullptr);
-    retained_owned_app().reset();
-}
-
-WacomTablet* bound_wacom_tablet() noexcept
-{
-    return &retained_wacom_tablet();
-}
-
 int run_main_application(int argc, char** argv)
 {
     const auto instance = GetModuleHandle(NULL);

src/platform_windows/windows_runtime_shell.h

@@ -1,14 +1,9 @@
 #pragma once
 
-class App;
+#include "platform_windows/windows_runtime_state.h"
-class WacomTablet;
 
 namespace pp::platform::windows {
 
 int run_main_application(int argc, char** argv);
-void bind_app(App* app) noexcept;
-[[nodiscard]] App* bound_app() noexcept;
-void release_bound_app() noexcept;
-[[nodiscard]] WacomTablet* bound_wacom_tablet() noexcept;
 
 }

src/platform_windows/windows_runtime_state.cpp

@@ -11,6 +11,7 @@ namespace {
 
 struct RetainedWindowsRuntimeState final {
     std::unique_ptr<App> owned_app;
+    App* app = nullptr;
     AppRuntime* runtime = nullptr;
     WacomTablet tablet;
 };
@@ -23,6 +24,30 @@ struct RetainedWindowsRuntimeState final {
 
 }
 
+void bind_app(App* app) noexcept
+{
+    auto& state = retained_runtime_state();
+    state.app = app;
+    App::I = app;
+}
+
+App* bound_app() noexcept
+{
+    return retained_runtime_state().app;
+}
+
+void release_bound_app() noexcept
+{
+    bind_app(nullptr);
+    bind_runtime(nullptr);
+    retained_owned_app().reset();
+}
+
+WacomTablet* bound_wacom_tablet() noexcept
+{
+    return &retained_wacom_tablet();
+}
+
 std::unique_ptr<App>& retained_owned_app() noexcept
 {
     return retained_runtime_state().owned_app;

src/platform_windows/windows_runtime_state.h

@@ -8,6 +8,10 @@ class WacomTablet;
 
 namespace pp::platform::windows {
 
+void bind_app(App* app) noexcept;
+[[nodiscard]] App* bound_app() noexcept;
+void release_bound_app() noexcept;
+[[nodiscard]] WacomTablet* bound_wacom_tablet() noexcept;
 [[nodiscard]] std::unique_ptr<App>& retained_owned_app() noexcept;
 [[nodiscard]] WacomTablet& retained_wacom_tablet() noexcept;
 [[nodiscard]] AppRuntime* retained_bound_runtime() noexcept;