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duckstation
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NoGUI: Migrate to new host abstraction

This commit is contained in:
Connor McLaughlin 2022-08-24 19:12:38 +10:00
parent 7277d29ff9
commit 6df7d9acda
30 changed files with 3475 additions and 1931 deletions
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2
CMakeLists.txt
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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.10)
cmake_minimum_required(VERSION 3.16)
project(duckstation C CXX)
message("CMake Version: ${CMAKE_VERSION}")

29
CMakeModules/FindWaylandProtocols.cmake Normal file
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@ -0,0 +1,29 @@
# from https://github.com/glfw/glfw/blob/master/CMake/modules/FindWaylandProtocols.cmake
find_package(PkgConfig)
pkg_check_modules(WaylandProtocols QUIET wayland-protocols>=${WaylandProtocols_FIND_VERSION})
execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=pkgdatadir wayland-protocols
OUTPUT_VARIABLE WaylandProtocols_PKGDATADIR
RESULT_VARIABLE _pkgconfig_failed)
if (_pkgconfig_failed)
message(FATAL_ERROR "Missing wayland-protocols pkgdatadir")
endif()
string(REGEX REPLACE "[\r\n]" "" WaylandProtocols_PKGDATADIR "${WaylandProtocols_PKGDATADIR}")
find_package_handle_standard_args(WaylandProtocols
FOUND_VAR
WaylandProtocols_FOUND
REQUIRED_VARS
WaylandProtocols_PKGDATADIR
VERSION_VAR
WaylandProtocols_VERSION
HANDLE_COMPONENTS
)
set(WAYLAND_PROTOCOLS_FOUND ${WaylandProtocols_FOUND})
set(WAYLAND_PROTOCOLS_PKGDATADIR ${WaylandProtocols_PKGDATADIR})
set(WAYLAND_PROTOCOLS_VERSION ${WaylandProtocols_VERSION})

38
CMakeModules/FindXKBCommon.cmake Normal file
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@ -0,0 +1,38 @@
# - Try to find XKBCommon
# Once done, this will define
#
# XKBCOMMON_FOUND - System has XKBCommon
# XKBCOMMON_INCLUDE_DIRS - The XKBCommon include directories
# XKBCOMMON_LIBRARIES - The libraries needed to use XKBCommon
# XKBCOMMON_DEFINITIONS - Compiler switches required for using XKBCommon
find_package(PkgConfig)
pkg_check_modules(PC_XKBCOMMON QUIET xkbcommon)
set(XKBCOMMON_DEFINITIONS ${PC_XKBCOMMON_CFLAGS_OTHER})
find_path(XKBCOMMON_INCLUDE_DIR
NAMES xkbcommon/xkbcommon.h
HINTS ${PC_XKBCOMMON_INCLUDE_DIR} ${PC_XKBCOMMON_INCLUDE_DIRS}
)
find_library(XKBCOMMON_LIBRARY
NAMES xkbcommon
HINTS ${PC_XKBCOMMON_LIBRARY} ${PC_XKBCOMMON_LIBRARY_DIRS}
)
set(XKBCOMMON_LIBRARIES ${XKBCOMMON_LIBRARY})
set(XKBCOMMON_LIBRARY_DIRS ${XKBCOMMON_LIBRARY_DIRS})
set(XKBCOMMON_INCLUDE_DIRS ${XKBCOMMON_INCLUDE_DIR})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(XKBCommon DEFAULT_MSG
XKBCOMMON_LIBRARY
XKBCOMMON_INCLUDE_DIR
)
mark_as_advanced(XKBCOMMON_LIBRARY XKBCOMMON_INCLUDE_DIR)
if (XKBCOMMON_INCLUDE_DIR AND XKBCOMMON_LIBRARY AND NOT TARGET XKBCommon::XKBCommon)
add_library(XKBCommon::XKBCommon UNKNOWN IMPORTED)
set_target_properties(XKBCommon::XKBCommon PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${XKBCOMMON_INCLUDE_DIR}" IMPORTED_LOCATION "${XKBCOMMON_LIBRARY}")
endif()

1
duckstation.sln
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@ -783,6 +783,7 @@ Global
{0A172B2E-DC67-49FC-A4C1-975F93C586C4}.Debug|x86.Build.0 = Debug|Win32
{0A172B2E-DC67-49FC-A4C1-975F93C586C4}.DebugFast|ARM64.ActiveCfg = DebugFast|ARM64
{0A172B2E-DC67-49FC-A4C1-975F93C586C4}.DebugFast|x64.ActiveCfg = DebugFast|x64
{0A172B2E-DC67-49FC-A4C1-975F93C586C4}.DebugFast|x64.Build.0 = DebugFast|x64
{0A172B2E-DC67-49FC-A4C1-975F93C586C4}.DebugFast|x86.ActiveCfg = DebugFast|Win32
{0A172B2E-DC67-49FC-A4C1-975F93C586C4}.DebugFast|x86.Build.0 = DebugFast|Win32
{0A172B2E-DC67-49FC-A4C1-975F93C586C4}.DebugUWP|ARM64.ActiveCfg = DebugUWP|ARM64

91
src/duckstation-nogui/CMakeLists.txt
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@ -1,39 +1,18 @@
add_executable(duckstation-nogui
main.cpp
nogui_host_interface.cpp
nogui_host_interface.h
nogui_host.cpp
nogui_host.h
nogui_platform.h
)
target_link_libraries(duckstation-nogui PRIVATE core common imgui glad frontend-common scmversion)
if(USE_SDL2)
target_sources(duckstation-nogui PRIVATE
sdl_host_interface.cpp
sdl_host_interface.h
sdl_key_names.h
)
target_include_directories(duckstation-nogui PRIVATE ${SDL2_INCLUDE_DIRS})
target_link_libraries(duckstation-nogui PRIVATE ${SDL2_LIBRARIES})
endif()
if(USE_EVDEV)
target_sources(duckstation-nogui PRIVATE
vty_host_interface.cpp
vty_host_interface.h
)
target_compile_definitions(duckstation-nogui PRIVATE "-DWITH_VTY=1")
target_compile_definitions(duckstation-nogui PRIVATE "-DUSE_LIBEVDEV=1")
target_include_directories(duckstation-nogui PRIVATE ${LIBEVDEV_INCLUDE_DIRS})
target_link_libraries(duckstation-nogui PRIVATE ${LIBEVDEV_LIBRARIES})
endif()
if(USE_DRMKMS)
target_compile_definitions(duckstation-nogui PRIVATE "-DWITH_DRMKMS=1")
endif()
target_link_libraries(duckstation-nogui PRIVATE core util common imgui glad frontend-common scmversion)
if(WIN32)
message(STATUS "Building Win32 NoGUI Platform.")
target_sources(duckstation-nogui PRIVATE
duckstation-nogui.manifest
resource.h
win32_nogui_platform.cpp
win32_nogui_platform.h
)
# We want a Windows subsystem application not console.
@ -42,3 +21,57 @@ if(WIN32)
DEBUG_POSTFIX "-debug")
endif()
if(USE_X11)
message(STATUS "Building X11 NoGUI Platform.")
target_compile_definitions(duckstation-nogui PRIVATE "NOGUI_PLATFORM_X11=1")
target_sources(duckstation-nogui PRIVATE
x11_nogui_platform.cpp
x11_nogui_platform.h
)
target_include_directories(duckstation-nogui PRIVATE "${X11_INCLUDE_DIR}" "${X11_Xrandr_INCLUDE_PATH}")
target_link_libraries(duckstation-nogui PRIVATE "${X11_LIBRARIES}" "${X11_Xrandr_LIB}")
endif()
if(USE_WAYLAND)
message(STATUS "Building Wayland NoGUI Platform.")
find_package(Wayland REQUIRED Client)
find_package(WaylandScanner REQUIRED)
find_package(WaylandProtocols 1.15 REQUIRED)
find_package(XKBCommon REQUIRED)
target_compile_definitions(duckstation-nogui PRIVATE "NOGUI_PLATFORM_WAYLAND=1")
target_sources(duckstation-nogui PRIVATE
wayland_nogui_platform.cpp
wayland_nogui_platform.h
)
# Generate the xdg-shell and xdg-decoration protocols at build-time.
# Because these are C, not C++, we have to put them in their own library, otherwise
# cmake tries to generate a C PCH as well as the C++ one...
ecm_add_wayland_client_protocol(WAYLAND_PLATFORM_SRCS
PROTOCOL "${WAYLAND_PROTOCOLS_PKGDATADIR}/stable/xdg-shell/xdg-shell.xml"
BASENAME xdg-shell)
ecm_add_wayland_client_protocol(WAYLAND_PLATFORM_SRCS
PROTOCOL "${WAYLAND_PROTOCOLS_PKGDATADIR}/unstable/xdg-decoration/xdg-decoration-unstable-v1.xml"
BASENAME xdg-decoration)
add_library(duckstation-nogui-wayland-protocols STATIC ${WAYLAND_PLATFORM_SRCS})
target_include_directories(duckstation-nogui-wayland-protocols PUBLIC "${CMAKE_CURRENT_BINARY_DIR}")
target_link_libraries(duckstation-nogui PRIVATE
duckstation-nogui-wayland-protocols
Wayland::Client
XKBCommon::XKBCommon
)
endif()
if(USE_DRMKMS AND USE_EVDEV)
message(STATUS "Building VTY/DRM/KMS/EVDev NoGUI Platform.")
target_compile_definitions(duckstation-nogui PRIVATE "NOGUI_PLATFORM_VTY=1" "WITH_DRMKMS=1")
target_sources(duckstation-nogui PRIVATE
vty_key_names.h
vty_nogui_platform.cpp
vty_nogui_platform.h
)
target_include_directories(duckstation-nogui PRIVATE ${LIBEVDEV_INCLUDE_DIRS})
target_link_libraries(duckstation-nogui PRIVATE ${LIBEVDEV_LIBRARIES})
endif()

33
src/duckstation-nogui/duckstation-nogui.vcxproj
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@ -2,26 +2,29 @@
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="..\..\dep\msvc\vsprops\Configurations.props" />
<ItemGroup>
<ClCompile Include="vty_host_interface.cpp">
<ClCompile Include="nogui_host.cpp" />
<ClCompile Include="vty_nogui_platform.cpp">
<ExcludedFromBuild>true</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="nogui_host_interface.cpp" />
<ClCompile Include="sdl_host_interface.cpp" />
<ClCompile Include="main.cpp" />
<ClCompile Include="win32_host_interface.cpp" />
<ClCompile Include="wayland_nogui_platform.cpp">
<ExcludedFromBuild>true</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="win32_nogui_platform.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="vty_host_interface.h">
<ExcludedFromBuild>true</ExcludedFromBuild>
</ClInclude>
<ClInclude Include="evdev_key_names.h">
<ExcludedFromBuild>true</ExcludedFromBuild>
</ClInclude>
<ClInclude Include="nogui_host_interface.h" />
<ClInclude Include="nogui_host.h" />
<ClInclude Include="nogui_platform.h" />
<ClInclude Include="resource.h" />
<ClInclude Include="sdl_host_interface.h" />
<ClInclude Include="sdl_key_names.h" />
<ClInclude Include="win32_host_interface.h" />
<ClInclude Include="vty_key_names.h">
<ExcludedFromBuild>true</ExcludedFromBuild>
</ClInclude>
<ClInclude Include="vty_nogui_platform.h">
<ExcludedFromBuild>true</ExcludedFromBuild>
</ClInclude>
<ClInclude Include="wayland_nogui_platform.h">
<ExcludedFromBuild>true</ExcludedFromBuild>
</ClInclude>
<ClInclude Include="win32_nogui_platform.h" />
</ItemGroup>
<ItemGroup>
<Manifest Include="duckstation-nogui.manifest" />

21
src/duckstation-nogui/duckstation-nogui.vcxproj.filters
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@ -1,20 +1,19 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<ClCompile Include="main.cpp" />
<ClCompile Include="sdl_host_interface.cpp" />
<ClCompile Include="nogui_host_interface.cpp" />
<ClCompile Include="win32_host_interface.cpp" />
<ClCompile Include="vty_host_interface.cpp" />
<ClCompile Include="nogui_host.cpp" />
<ClCompile Include="win32_nogui_platform.cpp" />
<ClCompile Include="vty_nogui_platform.cpp" />
<ClCompile Include="wayland_nogui_platform.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="sdl_host_interface.h" />
<ClInclude Include="sdl_key_names.h" />
<ClInclude Include="resource.h" />
<ClInclude Include="nogui_host_interface.h" />
<ClInclude Include="win32_host_interface.h" />
<ClInclude Include="evdev_key_names.h" />
<ClInclude Include="vty_host_interface.h" />
<ClInclude Include="nogui_host.h" />
<ClInclude Include="win32_nogui_platform.h" />
<ClInclude Include="vty_nogui_platform.h" />
<ClInclude Include="vty_key_names.h" />
<ClInclude Include="nogui_platform.h" />
<ClInclude Include="wayland_nogui_platform.h" />
</ItemGroup>
<ItemGroup>
<Manifest Include="duckstation-nogui.manifest" />

143
src/duckstation-nogui/main.cpp
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@ -1,143 +0,0 @@
#include "common/assert.h"
#include "common/file_system.h"
#include "common/log.h"
#include "common/string_util.h"
#include "core/system.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <vector>
#ifdef WITH_VTY
#include "vty_host_interface.h"
#endif
#ifdef WITH_SDL2
#include "sdl_host_interface.h"
static bool IsSDLHostInterfaceAvailable()
{
#if defined(__linux__)
// Only available if we have a X11 or Wayland display.
if (std::getenv("DISPLAY") || std::getenv("WAYLAND_DISPLAY"))
return true;
else
return false;
#else
// Always available on Windows/Apple.
return true;
#endif
}
#endif
#ifdef _WIN32
#include "common/windows_headers.h"
#include "win32_host_interface.h"
#include <shellapi.h>
#endif
static std::unique_ptr<NoGUIHostInterface> CreateHostInterface()
{
const char* platform = std::getenv("DUCKSTATION_NOGUI_PLATFORM");
std::unique_ptr<NoGUIHostInterface> host_interface;
#ifdef WITH_SDL2
if (!host_interface && (!platform || StringUtil::Strcasecmp(platform, "sdl") == 0) && IsSDLHostInterfaceAvailable())
host_interface = SDLHostInterface::Create();
#endif
#ifdef WITH_VTY
if (!host_interface && (!platform || StringUtil::Strcasecmp(platform, "vty") == 0))
host_interface = VTYHostInterface::Create();
#endif
#ifdef _WIN32
if (!host_interface && (!platform || StringUtil::Strcasecmp(platform, "win32") == 0))
host_interface = Win32HostInterface::Create();
#endif
return host_interface;
}
static int Run(std::unique_ptr<NoGUIHostInterface> host_interface, std::unique_ptr<SystemBootParameters> boot_params)
{
if (!host_interface->Initialize())
{
host_interface->Shutdown();
return EXIT_FAILURE;
}
if (boot_params)
host_interface->BootSystem(std::move(boot_params));
int result;
if (System::IsValid() || !host_interface->InBatchMode())
{
host_interface->Run();
result = EXIT_SUCCESS;
}
else
{
host_interface->ReportError("No file specified, and we're in batch mode. Exiting.");
result = EXIT_FAILURE;
}
host_interface->Shutdown();
return result;
}
#ifdef _WIN32
int wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, int nShowCmd)
{
std::unique_ptr<NoGUIHostInterface> host_interface = CreateHostInterface();
std::unique_ptr<SystemBootParameters> boot_params;
{
std::vector<std::string> argc_strings;
argc_strings.reserve(1);
// CommandLineToArgvW() only adds the program path if the command line is empty?!
argc_strings.push_back(FileSystem::GetProgramPath());
if (std::wcslen(lpCmdLine) > 0)
{
int argc;
LPWSTR* argv_wide = CommandLineToArgvW(lpCmdLine, &argc);
if (argv_wide)
{
for (int i = 0; i < argc; i++)
argc_strings.push_back(StringUtil::WideStringToUTF8String(argv_wide[i]));
LocalFree(argv_wide);
}
}
std::vector<char*> argc_pointers;
argc_pointers.reserve(argc_strings.size());
for (std::string& arg : argc_strings)
argc_pointers.push_back(arg.data());
if (!host_interface->ParseCommandLineParameters(static_cast<int>(argc_pointers.size()), argc_pointers.data(),
&boot_params))
{
return EXIT_FAILURE;
}
}
return Run(std::move(host_interface), std::move(boot_params));
}
#else
int main(int argc, char* argv[])
{
std::unique_ptr<NoGUIHostInterface> host_interface = CreateHostInterface();
std::unique_ptr<SystemBootParameters> boot_params;
if (!host_interface->ParseCommandLineParameters(argc, argv, &boot_params))
return EXIT_FAILURE;
return Run(std::move(host_interface), std::move(boot_params));
}
#endif

1363
src/duckstation-nogui/nogui_host.cpp Normal file
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File diff suppressed because it is too large Load Diff

34
src/duckstation-nogui/nogui_host.h Normal file
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@ -0,0 +1,34 @@
#pragma once
#include "common/types.h"
#include "core/system.h"
#include <functional>
#include <string>
namespace NoGUIHost {
/// Sets batch mode (exit after game shutdown).
bool InBatchMode();
void SetBatchMode(bool enabled);
/// Starts the virtual machine.
void StartSystem(SystemBootParameters params);
/// Returns the application name and version, optionally including debug/devel config indicator.
std::string GetAppNameAndVersion();
/// Returns the debug/devel config indicator.
std::string GetAppConfigSuffix();
/// Thread-safe settings access.
void SaveSettings();
/// Called on the UI thread in response to various events.
void ProcessPlatformWindowResize(s32 width, s32 height, float scale);
void ProcessPlatformMouseMoveEvent(float x, float y);
void ProcessPlatformMouseButtonEvent(s32 button, bool pressed);
void ProcessPlatformMouseWheelEvent(float x, float y);
void ProcessPlatformKeyEvent(s32 key, bool pressed);
void PlatformWindowFocusGained();
void PlatformWindowFocusLost();
bool GetSavedPlatformWindowGeometry(s32* x, s32* y, s32* width, s32* height);
void SavePlatformWindowGeometry(s32 x, s32 y, s32 width, s32 height);
} // namespace NoGUIHost

352
src/duckstation-nogui/nogui_host_interface.cpp
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@ -1,352 +0,0 @@
#include "nogui_host_interface.h"
#include "common/assert.h"
#include "common/byte_stream.h"
#include "common/file_system.h"
#include "common/log.h"
#include "common/string_util.h"
#include "core/controller.h"
#include "core/gpu.h"
#include "core/host_display.h"
#include "core/imgui_styles.h"
#include "core/system.h"
#include "frontend-common/controller_interface.h"
#include "frontend-common/fullscreen_ui.h"
#include "frontend-common/icon.h"
#include "frontend-common/ini_settings_interface.h"
#include "frontend-common/opengl_host_display.h"
#include "frontend-common/vulkan_host_display.h"
#include "imgui.h"
#include "imgui_internal.h"
#include "imgui_stdlib.h"
#include <cinttypes>
#include <cmath>
Log_SetChannel(NoGUIHostInterface);
#ifdef _WIN32
#include "frontend-common/d3d11_host_display.h"
#include "frontend-common/d3d12_host_display.h"
#endif
NoGUIHostInterface::NoGUIHostInterface() = default;
NoGUIHostInterface::~NoGUIHostInterface() = default;
const char* NoGUIHostInterface::GetFrontendName() const
{
return "DuckStation NoGUI Frontend";
}
bool NoGUIHostInterface::Initialize()
{
SetUserDirectory();
m_settings_interface = std::make_unique<INISettingsInterface>(GetSettingsFileName());
// TODO: Make command line.
m_flags.force_fullscreen_ui = true;
if (!CommonHostInterface::Initialize())
return false;
const bool start_fullscreen = m_flags.start_fullscreen || g_settings.start_fullscreen;
if (!CreatePlatformWindow())
{
Log_ErrorPrintf("Failed to create platform window");
return false;
}
if (!CreateDisplay(start_fullscreen))
{
Log_ErrorPrintf("Failed to create host display");
DestroyPlatformWindow();
return false;
}
if (m_fullscreen_ui_enabled)
{
FullscreenUI::SetDebugMenuAllowed(true);
FullscreenUI::QueueGameListRefresh();
}
// process events to pick up controllers before updating input map
PollAndUpdate();
UpdateInputMap();
return true;
}
void NoGUIHostInterface::Shutdown()
{
DestroyDisplay();
DestroyPlatformWindow();
CommonHostInterface::Shutdown();
}
void NoGUIHostInterface::SetDefaultSettings(SettingsInterface& si)
{
CommonHostInterface::SetDefaultSettings(si);
// TODO: Maybe we should bind this to F1 in the future.
si.SetStringValue("Hotkeys", "OpenQuickMenu", "Keyboard/Escape");
}
void NoGUIHostInterface::OnDisplayInvalidated() {}
void NoGUIHostInterface::OnSystemPerformanceCountersUpdated() {}
bool NoGUIHostInterface::CreateDisplay(bool fullscreen)
{
std::optional<WindowInfo> wi = GetPlatformWindowInfo();
if (!wi)
{
ReportError("Failed to get platform window info");
return false;
}
Assert(!m_display);
switch (g_settings.gpu_renderer)
{
case GPURenderer::HardwareVulkan:
m_display = std::make_unique<FrontendCommon::VulkanHostDisplay>();
break;
case GPURenderer::HardwareOpenGL:
#ifndef _WIN32
default:
#endif
m_display = std::make_unique<FrontendCommon::OpenGLHostDisplay>();
break;
#ifdef _WIN32
case GPURenderer::HardwareD3D12:
m_display = std::make_unique<FrontendCommon::D3D12HostDisplay>();
break;
case GPURenderer::HardwareD3D11:
default:
m_display = std::make_unique<FrontendCommon::D3D11HostDisplay>();
break;
#endif
}
if (!m_display->CreateRenderDevice(wi.value(), g_settings.gpu_adapter, g_settings.gpu_use_debug_device,
g_settings.gpu_threaded_presentation) ||
!m_display->InitializeRenderDevice(GetShaderCacheBasePath(), g_settings.gpu_use_debug_device,
g_settings.gpu_threaded_presentation) ||
!CreateHostDisplayResources())
{
m_display->DestroyRenderDevice();
m_display.reset();
ReportError("Failed to create/initialize display render device");
return false;
}
if (fullscreen)
SetFullscreen(true);
if (!CreateHostDisplayResources())
Log_WarningPrint("Failed to create host display resources");
Log_InfoPrintf("Host display initialized at %ux%u resolution", m_display->GetWindowWidth(),
m_display->GetWindowHeight());
return true;
}
void NoGUIHostInterface::DestroyDisplay()
{
ReleaseHostDisplayResources();
if (m_display)
m_display->DestroyRenderDevice();
m_display.reset();
}
bool NoGUIHostInterface::AcquireHostDisplay()
{
// Handle renderer switch if required.
const HostDisplay::RenderAPI render_api = m_display->GetRenderAPI();
bool needs_switch = false;
switch (g_settings.gpu_renderer)
{
#ifdef _WIN32
case GPURenderer::HardwareD3D11:
needs_switch = (render_api != HostDisplay::RenderAPI::D3D11);
break;
#endif
case GPURenderer::HardwareVulkan:
needs_switch = (render_api != HostDisplay::RenderAPI::Vulkan);
break;
case GPURenderer::HardwareOpenGL:
needs_switch = (render_api != HostDisplay::RenderAPI::OpenGL && render_api != HostDisplay::RenderAPI::OpenGLES);
break;
case GPURenderer::Software:
default:
needs_switch = false;
break;
}
if (needs_switch)
{
const bool was_fullscreen = IsFullscreen();
DestroyDisplay();
// We need to recreate the window, otherwise bad things happen...
DestroyPlatformWindow();
if (!CreatePlatformWindow())
Panic("Failed to recreate platform window on GPU renderer switch");
if (!CreateDisplay(was_fullscreen))
Panic("Failed to recreate display on GPU renderer switch");
}
return true;
}
void NoGUIHostInterface::ReleaseHostDisplay()
{
// restore vsync, since we don't want to burn cycles at the menu
m_display->SetVSync(true);
}
void NoGUIHostInterface::RequestExit()
{
m_quit_request = true;
}
void NoGUIHostInterface::Run()
{
while (!m_quit_request)
{
RunCallbacks();
PollAndUpdate();
ImGui::NewFrame();
if (System::IsRunning())
{
if (m_display_all_frames)
System::RunFrame();
else
System::RunFrames();
UpdateControllerMetaState();
if (m_frame_step_request)
{
m_frame_step_request = false;
PauseSystem(true);
}
}
// rendering
{
DrawImGuiWindows();
ImGui::Render();
ImGui::EndFrame();
m_display->Render();
if (System::IsRunning())
{
System::UpdatePerformanceCounters();
if (m_throttler_enabled)
System::Throttle();
}
}
}
// Save state on exit so it can be resumed
if (!System::IsShutdown())
PowerOffSystem(ShouldSaveResumeState());
}
void NoGUIHostInterface::ReportMessage(const char* message)
{
Log_InfoPrint(message);
AddOSDMessage(message, 10.0f);
}
void NoGUIHostInterface::ReportError(const char* message)
{
Log_ErrorPrint(message);
if (!m_display)
return;
const bool was_in_frame = GImGui->FrameCount != GImGui->FrameCountEnded;
if (was_in_frame)
ImGui::EndFrame();
bool done = false;
while (!done)
{
RunCallbacks();
PollAndUpdate();
if (m_fullscreen_ui_enabled)
FullscreenUI::SetImGuiNavInputs();
ImGui::NewFrame();
done = FullscreenUI::DrawErrorWindow(message);
ImGui::EndFrame();
m_display->Render();
}
if (was_in_frame)
ImGui::NewFrame();
}
bool NoGUIHostInterface::ConfirmMessage(const char* message)
{
Log_InfoPrintf("Confirm: %s", message);
if (!m_display)
return true;
const bool was_in_frame = GImGui->FrameCount != GImGui->FrameCountEnded;
if (was_in_frame)
ImGui::EndFrame();
bool done = false;
bool result = true;
while (!done)
{
RunCallbacks();
PollAndUpdate();
if (m_fullscreen_ui_enabled)
FullscreenUI::SetImGuiNavInputs();
ImGui::NewFrame();
done = FullscreenUI::DrawConfirmWindow(message, &result);
ImGui::EndFrame();
m_display->Render();
}
if (was_in_frame)
ImGui::NewFrame();
return result;
}
void NoGUIHostInterface::RunLater(std::function<void()> callback)
{
std::unique_lock<std::mutex> lock(m_queued_callbacks_lock);
m_queued_callbacks.push_back(std::move(callback));
}
void NoGUIHostInterface::RunCallbacks()
{
std::unique_lock<std::mutex> lock(m_queued_callbacks_lock);
while (!m_queued_callbacks.empty())
{
auto callback = std::move(m_queued_callbacks.front());
m_queued_callbacks.pop_front();
lock.unlock();
callback();
lock.lock();
}
}

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src/duckstation-nogui/nogui_host_interface.h
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#pragma once
#include "common/window_info.h"
#include "core/host_display.h"
#include "core/host_interface.h"
#include "frontend-common/common_host.h"
#include <array>
#include <deque>
#include <functional>
#include <map>
#include <memory>
#include <mutex>
#include <string>
class INISettingsInterface;
class NoGUIHostInterface : public CommonHostInterface
{
public:
NoGUIHostInterface();
~NoGUIHostInterface();
const char* GetFrontendName() const override;
virtual bool Initialize() override;
virtual void Shutdown() override;
virtual void Run();
void ReportMessage(const char* message) override;
void ReportError(const char* message) override;
bool ConfirmMessage(const char* message) override;
void RunLater(std::function<void()> callback) override;
virtual void OnDisplayInvalidated() override;
virtual void OnSystemPerformanceCountersUpdated() override;
protected:
enum : u32
{
DEFAULT_WINDOW_WIDTH = 1280,
DEFAULT_WINDOW_HEIGHT = 720
};
bool AcquireHostDisplay() override;
void ReleaseHostDisplay() override;
void RequestExit() override;
virtual void SetDefaultSettings(SettingsInterface& si) override;
virtual bool CreatePlatformWindow() = 0;
virtual void DestroyPlatformWindow() = 0;
virtual std::optional<WindowInfo> GetPlatformWindowInfo() = 0;
bool CreateDisplay(bool fullscreen);
void DestroyDisplay();
void RunCallbacks();
std::deque<std::function<void()>> m_queued_callbacks;
std::mutex m_queued_callbacks_lock;
bool m_quit_request = false;
};

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src/duckstation-nogui/nogui_platform.h Normal file
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#pragma once
#include "common/types.h"
#include "core/host_display.h"
#include <functional>
#include <memory>
#include <optional>
#include <string>
#include <string_view>
class SettingsInterface;
class NoGUIPlatform
{
public:
virtual ~NoGUIPlatform() = default;
virtual void ReportError(const std::string_view& title, const std::string_view& message) = 0;
virtual void SetDefaultConfig(SettingsInterface& si) = 0;
virtual bool CreatePlatformWindow(std::string title) = 0;
virtual void DestroyPlatformWindow() = 0;
virtual std::optional<WindowInfo> GetPlatformWindowInfo() = 0;
virtual void SetPlatformWindowTitle(std::string title) = 0;
virtual void* GetPlatformWindowHandle() = 0;
virtual std::optional<u32> ConvertHostKeyboardStringToCode(const std::string_view& str) = 0;
virtual std::optional<std::string> ConvertHostKeyboardCodeToString(u32 code) = 0;
virtual void RunMessageLoop() = 0;
virtual void ExecuteInMessageLoop(std::function<void()> func) = 0;
virtual void QuitMessageLoop() = 0;
virtual void SetFullscreen(bool enabled) = 0;
virtual bool RequestRenderWindowSize(s32 new_window_width, s32 new_window_height) = 0;
#ifdef _WIN32
static std::unique_ptr<NoGUIPlatform> CreateWin32Platform();
#endif
#ifdef NOGUI_PLATFORM_WAYLAND
static std::unique_ptr<NoGUIPlatform> CreateWaylandPlatform();
#endif
#ifdef NOGUI_PLATFORM_X11
static std::unique_ptr<NoGUIPlatform> CreateX11Platform();
#endif
#ifdef NOGUI_PLATFORM_VTY
static std::unique_ptr<NoGUIPlatform> CreateVTYPlatform();
#endif
protected:
static constexpr s32 DEFAULT_WINDOW_WIDTH = 1280;
static constexpr s32 DEFAULT_WINDOW_HEIGHT = 720;
};
extern std::unique_ptr<NoGUIPlatform> g_nogui_window;

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src/duckstation-nogui/sdl_host_interface.cpp
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#include "sdl_host_interface.h"
#include "core/system.h"
#include "frontend-common/controller_interface.h"
#include "frontend-common/fullscreen_ui.h"
#include "frontend-common/icon.h"
#include "frontend-common/ini_settings_interface.h"
#include "frontend-common/sdl_controller_interface.h"
#include "frontend-common/sdl_initializer.h"
#include "imgui.h"
#include "imgui_impl_sdl.h"
#include "scmversion/scmversion.h"
#include "sdl_key_names.h"
#include <SDL_syswm.h>
#include <cinttypes>
#include <cmath>
Log_SetChannel(SDLHostInterface);
#ifdef __APPLE__
#include <objc/message.h>
struct NSView;
static NSView* GetContentViewFromWindow(NSWindow* window)
{
// window.contentView
return reinterpret_cast<NSView* (*)(id, SEL)>(objc_msgSend)(reinterpret_cast<id>(window), sel_getUid("contentView"));
}
#endif
static float GetDPIScaleFactor(SDL_Window* window)
{
#ifdef __APPLE__
static constexpr float DEFAULT_DPI = 72.0f;
#else
static constexpr float DEFAULT_DPI = 96.0f;
#endif
if (!window)
{
SDL_Window* dummy_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1, 1,
SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_HIDDEN);
if (!dummy_window)
return 1.0f;
const float scale = GetDPIScaleFactor(dummy_window);
SDL_DestroyWindow(dummy_window);
return scale;
}
int display_index = SDL_GetWindowDisplayIndex(window);
float display_dpi = DEFAULT_DPI;
if (SDL_GetDisplayDPI(display_index, &display_dpi, nullptr, nullptr) != 0)
return 1.0f;
return display_dpi / DEFAULT_DPI;
}
SDLHostInterface::SDLHostInterface() = default;
SDLHostInterface::~SDLHostInterface() = default;
const char* SDLHostInterface::GetFrontendName() const
{
return "DuckStation NoGUI Frontend";
}
std::unique_ptr<SDLHostInterface> SDLHostInterface::Create()
{
return std::make_unique<SDLHostInterface>();
}
bool SDLHostInterface::Initialize()
{
FrontendCommon::EnsureSDLInitialized();
if (!NoGUIHostInterface::Initialize())
return false;
return true;
}
void SDLHostInterface::Shutdown()
{
NoGUIHostInterface::Shutdown();
}
bool SDLHostInterface::IsFullscreen() const
{
return m_fullscreen;
}
bool SDLHostInterface::SetFullscreen(bool enabled)
{
if (m_fullscreen == enabled)
return true;
const std::string fullscreen_mode(GetStringSettingValue("GPU", "FullscreenMode", ""));
const bool is_exclusive_fullscreen = (enabled && !fullscreen_mode.empty() && m_display->SupportsFullscreen());
const bool was_exclusive_fullscreen = m_display->IsFullscreen();
if (was_exclusive_fullscreen)
m_display->SetFullscreen(false, 0, 0, 0.0f);
SDL_SetWindowFullscreen(m_window, (enabled && !is_exclusive_fullscreen) ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
if (is_exclusive_fullscreen)
{
u32 width, height;
float refresh_rate;
bool result = false;
if (ParseFullscreenMode(fullscreen_mode, &width, &height, &refresh_rate))
{
result = m_display->SetFullscreen(true, width, height, refresh_rate);
if (result)
{
AddOSDMessage(TranslateStdString("OSDMessage", "Acquired exclusive fullscreen."), 10.0f);
}
else
{
AddOSDMessage(TranslateStdString("OSDMessage", "Failed to acquire exclusive fullscreen."), 10.0f);
enabled = false;
}
}
}
m_fullscreen = enabled;
const bool hide_cursor = (enabled && GetBoolSettingValue("Main", "HideCursorInFullscreen", true));
SDL_ShowCursor(hide_cursor ? SDL_DISABLE : SDL_ENABLE);
return true;
}
bool SDLHostInterface::RequestRenderWindowSize(s32 new_window_width, s32 new_window_height)
{
if (new_window_width <= 0 || new_window_height <= 0 || m_fullscreen)
return false;
// use imgui scale as the dpr
const float dpi_scale = ImGui::GetIO().DisplayFramebufferScale.x;
const s32 scaled_width =
std::max<s32>(static_cast<s32>(std::ceil(static_cast<float>(new_window_width) * dpi_scale)), 1);
const s32 scaled_height = std::max<s32>(
static_cast<s32>(std::ceil(static_cast<float>(new_window_height) * dpi_scale)) + m_display->GetDisplayTopMargin(),
1);
SDL_SetWindowSize(m_window, scaled_width, scaled_height);
return true;
}
ALWAYS_INLINE static TinyString GetWindowTitle()
{
return TinyString::FromFormat("DuckStation %s (%s)", g_scm_tag_str, g_scm_branch_str);
}
bool SDLHostInterface::CreatePlatformWindow()
{
// Create window.
const u32 window_flags = SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI;
int window_x, window_y, window_width, window_height;
GetSavedWindowGeometry(&window_x, &window_y, &window_width, &window_height);
m_window = SDL_CreateWindow(GetWindowTitle(), window_x, window_y, window_width, window_height, window_flags);
if (!m_window)
return false;
// Set window icon.
SDL_Surface* icon_surface =
SDL_CreateRGBSurfaceFrom(const_cast<unsigned int*>(WINDOW_ICON_DATA), WINDOW_ICON_WIDTH, WINDOW_ICON_HEIGHT, 32,
WINDOW_ICON_WIDTH * sizeof(u32), UINT32_C(0x000000FF), UINT32_C(0x0000FF00),
UINT32_C(0x00FF0000), UINT32_C(0xFF000000));
if (icon_surface)
{
SDL_SetWindowIcon(m_window, icon_surface);
SDL_FreeSurface(icon_surface);
}
ImGui_ImplSDL2_Init(m_window);
// Process events so that we have everything sorted out before creating a child window for the GL context (X11).
SDL_PumpEvents();
return true;
}
void SDLHostInterface::DestroyPlatformWindow()
{
SaveWindowGeometry();
ImGui_ImplSDL2_Shutdown();
SDL_DestroyWindow(m_window);
m_window = nullptr;
m_fullscreen = false;
}
std::optional<WindowInfo> SDLHostInterface::GetPlatformWindowInfo()
{
SDL_SysWMinfo syswm = {};
SDL_VERSION(&syswm.version);
if (!SDL_GetWindowWMInfo(m_window, &syswm))
{
Log_ErrorPrintf("SDL_GetWindowWMInfo failed");
return std::nullopt;
}
int window_width, window_height;
SDL_GetWindowSize(m_window, &window_width, &window_height);
WindowInfo wi;
wi.surface_width = static_cast<u32>(window_width);
wi.surface_height = static_cast<u32>(window_height);
wi.surface_scale = GetDPIScaleFactor(m_window);
wi.surface_format = WindowInfo::SurfaceFormat::RGB8;
switch (syswm.subsystem)
{
#ifdef SDL_VIDEO_DRIVER_WINDOWS
case SDL_SYSWM_WINDOWS:
wi.type = WindowInfo::Type::Win32;
wi.window_handle = syswm.info.win.window;
break;
#endif
#ifdef SDL_VIDEO_DRIVER_COCOA
case SDL_SYSWM_COCOA:
wi.type = WindowInfo::Type::MacOS;
wi.window_handle = GetContentViewFromWindow(syswm.info.cocoa.window);
break;
#endif
#ifdef SDL_VIDEO_DRIVER_X11
case SDL_SYSWM_X11:
wi.type = WindowInfo::Type::X11;
wi.window_handle = reinterpret_cast<void*>(static_cast<uintptr_t>(syswm.info.x11.window));
wi.display_connection = syswm.info.x11.display;
break;
#endif
#ifdef SDL_VIDEO_DRIVER_WAYLAND
case SDL_SYSWM_WAYLAND:
wi.type = WindowInfo::Type::Wayland;
wi.window_handle = syswm.info.wl.surface;
wi.display_connection = syswm.info.wl.display;
break;
#endif
default:
Log_ErrorPrintf("Unhandled syswm subsystem %u", static_cast<u32>(syswm.subsystem));
return std::nullopt;
}
return wi;
}
std::optional<CommonHostInterface::HostKeyCode> SDLHostInterface::GetHostKeyCode(const std::string_view key_code) const
{
const std::optional<u32> code = SDLKeyNames::ParseKeyString(key_code);
if (!code)
return std::nullopt;
return static_cast<HostKeyCode>(*code);
}
void SDLHostInterface::SetMouseMode(bool relative, bool hide_cursor) {}
void SDLHostInterface::PollAndUpdate()
{
// Process SDL events before the controller interface can steal them.
const bool is_sdl_controller_interface =
(m_controller_interface && m_controller_interface->GetBackend() == ControllerInterface::Backend::SDL);
for (;;)
{
SDL_Event ev;
if (!SDL_PollEvent(&ev))
break;
if (is_sdl_controller_interface &&
static_cast<SDLControllerInterface*>(m_controller_interface.get())->ProcessSDLEvent(&ev))
{
continue;
}
HandleSDLEvent(&ev);
}
ImGui_ImplSDL2_NewFrame();
NoGUIHostInterface::PollAndUpdate();
}
void SDLHostInterface::HandleSDLEvent(const SDL_Event* event)
{
ImGui_ImplSDL2_ProcessEvent(event);
switch (event->type)
{
case SDL_WINDOWEVENT:
{
switch (event->window.event)
{
case SDL_WINDOWEVENT_SIZE_CHANGED:
{
s32 window_width, window_height;
SDL_GetWindowSize(m_window, &window_width, &window_height);
m_display->ResizeRenderWindow(window_width, window_height);
HostDisplayResized();
}
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
{
if (g_settings.pause_on_focus_loss && System::IsRunning() && !m_was_paused_by_focus_loss)
{
PauseSystem(true);
m_was_paused_by_focus_loss = true;
}
}
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
{
if (m_was_paused_by_focus_loss)
{
if (System::IsPaused())
PauseSystem(false);
m_was_paused_by_focus_loss = false;
}
}
break;
default:
break;
}
}
break;
case SDL_QUIT:
m_quit_request = true;
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
{
const bool pressed = (event->type == SDL_KEYDOWN);
// Binding mode
if (m_fullscreen_ui_enabled && FullscreenUI::IsBindingInput())
{
if (event->key.repeat > 0)
return;
TinyString key_string;
if (SDLKeyNames::KeyEventToString(event, key_string))
{
if (FullscreenUI::HandleKeyboardBinding(key_string, pressed))
return;
}
}
if (!ImGui::GetIO().WantCaptureKeyboard && event->key.repeat == 0)
{
const u32 code = SDLKeyNames::KeyEventToInt(event);
HandleHostKeyEvent(code & SDLKeyNames::KEY_MASK, code & SDLKeyNames::MODIFIER_MASK, pressed);
}
}
break;
case SDL_MOUSEMOTION:
{
m_display->SetMousePosition(event->motion.x, event->motion.y);
}
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
{
// map left -> 0, right -> 1, middle -> 2 to match with qt
static constexpr std::array<s32, 5> mouse_mapping = {{1, 3, 2, 4, 5}};
if (!ImGui::GetIO().WantCaptureMouse && event->button.button > 0 && event->button.button <= mouse_mapping.size())
{
const s32 button = mouse_mapping[event->button.button - 1];
const bool pressed = (event->type == SDL_MOUSEBUTTONDOWN);
HandleHostMouseEvent(button, pressed);
}
}
break;
}
}
void SDLHostInterface::GetSavedWindowGeometry(int* x, int* y, int* width, int* height)
{
auto lock = GetSettingsLock();
*x = m_settings_interface->GetIntValue("SDLHostInterface", "WindowX", SDL_WINDOWPOS_UNDEFINED);
*y = m_settings_interface->GetIntValue("SDLHostInterface", "WindowY", SDL_WINDOWPOS_UNDEFINED);
*width = m_settings_interface->GetIntValue("SDLHostInterface", "WindowWidth", -1);
*height = m_settings_interface->GetIntValue("SDLHostInterface", "WindowHeight", -1);
if (*width < 0 || *height < 0)
{
*width = DEFAULT_WINDOW_WIDTH;
*height = DEFAULT_WINDOW_HEIGHT;
// macOS does DPI scaling differently..
#ifndef __APPLE__
{
// scale by default monitor's DPI
float scale = GetDPIScaleFactor(nullptr);
*width = static_cast<int>(std::round(static_cast<float>(*width) * scale));
*height = static_cast<int>(std::round(static_cast<float>(*height) * scale));
}
#endif
}
}
void SDLHostInterface::SaveWindowGeometry()
{
if (m_fullscreen)
return;
int x = 0;
int y = 0;
SDL_GetWindowPosition(m_window, &x, &y);
int width = DEFAULT_WINDOW_WIDTH;
int height = DEFAULT_WINDOW_HEIGHT;
SDL_GetWindowSize(m_window, &width, &height);
int old_x, old_y, old_width, old_height;
GetSavedWindowGeometry(&old_x, &old_y, &old_width, &old_height);
if (x == old_x && y == old_y && width == old_width && height == old_height)
return;
auto lock = GetSettingsLock();
m_settings_interface->SetIntValue("SDLHostInterface", "WindowX", x);
m_settings_interface->SetIntValue("SDLHostInterface", "WindowY", y);
m_settings_interface->SetIntValue("SDLHostInterface", "WindowWidth", width);
m_settings_interface->SetIntValue("SDLHostInterface", "WindowHeight", height);
}

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src/duckstation-nogui/sdl_host_interface.h
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#pragma once
#include "nogui_host_interface.h"
#include <SDL.h>
class SDLHostInterface final : public NoGUIHostInterface
{
public:
SDLHostInterface();
~SDLHostInterface();
static std::unique_ptr<SDLHostInterface> Create();
const char* GetFrontendName() const override;
bool Initialize() override;
void Shutdown() override;
bool RequestRenderWindowSize(s32 new_window_width, s32 new_window_height) override;
bool IsFullscreen() const override;
bool SetFullscreen(bool enabled) override;
protected:
void SetMouseMode(bool relative, bool hide_cursor) override;
void PollAndUpdate() override;
std::optional<HostKeyCode> GetHostKeyCode(const std::string_view key_code) const override;
bool CreatePlatformWindow() override;
void DestroyPlatformWindow() override;
std::optional<WindowInfo> GetPlatformWindowInfo() override;
private:
void HandleSDLEvent(const SDL_Event* event);
void GetSavedWindowGeometry(int* x, int* y, int* width, int* height);
void SaveWindowGeometry();
SDL_Window* m_window = nullptr;
bool m_fullscreen = false;
bool m_was_paused_by_focus_loss = false;
};

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src/duckstation-nogui/sdl_key_names.h
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#pragma once
#include "common/string.h"
#include "common/types.h"
#include <SDL.h>
#include <array>
#include <cstring>
#include <map>
#include <optional>
#include <string_view>
namespace SDLKeyNames {
enum : u32
{
MODIFIER_SHIFT = 16,
KEY_MASK = ((1 << MODIFIER_SHIFT) - 1),
MODIFIER_MASK = ~KEY_MASK,
};
static const std::map<int, const char*> s_sdl_key_names = {{SDLK_RETURN, "Return"},
{SDLK_ESCAPE, "Escape"},
{SDLK_BACKSPACE, "Backspace"},
{SDLK_TAB, "Tab"},
{SDLK_SPACE, "Space"},
{SDLK_EXCLAIM, "Exclam"},
{SDLK_QUOTEDBL, "QuoteDbl"},
{SDLK_HASH, "Hash"},
{SDLK_PERCENT, "Percent"},
{SDLK_DOLLAR, "Dollar"},
{SDLK_AMPERSAND, "Ampersand"},
{SDLK_QUOTE, "Apostrophe"},
{SDLK_LEFTPAREN, "ParenLeft"},
{SDLK_RIGHTPAREN, "ParenRight"},
{SDLK_ASTERISK, "Asterisk"},
{SDLK_PLUS, "PLus"},
{SDLK_COMMA, "Comma"},
{SDLK_MINUS, "Minus"},
{SDLK_PERIOD, "Period"},
{SDLK_SLASH, "Slash"},
{SDLK_0, "0"},
{SDLK_1, "1"},
{SDLK_2, "2"},
{SDLK_3, "3"},
{SDLK_4, "4"},
{SDLK_5, "5"},
{SDLK_6, "6"},
{SDLK_7, "7"},
{SDLK_8, "8"},
{SDLK_9, "9"},
{SDLK_COLON, "Colon"},
{SDLK_SEMICOLON, "Semcolon"},
{SDLK_LESS, "Less"},
{SDLK_EQUALS, "Equal"},
{SDLK_GREATER, "Greater"},
{SDLK_QUESTION, "Question"},
{SDLK_AT, "AT"},
{SDLK_LEFTBRACKET, "BracketLeft"},
{SDLK_BACKSLASH, "Backslash"},
{SDLK_RIGHTBRACKET, "BracketRight"},
{SDLK_CARET, "Caret"},
{SDLK_UNDERSCORE, "Underscore"},
{SDLK_BACKQUOTE, "QuoteLeft"},
{SDLK_a, "A"},
{SDLK_b, "B"},
{SDLK_c, "C"},
{SDLK_d, "D"},
{SDLK_e, "E"},
{SDLK_f, "F"},
{SDLK_g, "G"},
{SDLK_h, "H"},
{SDLK_i, "I"},
{SDLK_j, "J"},
{SDLK_k, "K"},
{SDLK_l, "L"},
{SDLK_m, "M"},
{SDLK_n, "N"},
{SDLK_o, "O"},
{SDLK_p, "P"},
{SDLK_q, "Q"},
{SDLK_r, "R"},
{SDLK_s, "S"},
{SDLK_t, "T"},
{SDLK_u, "U"},
{SDLK_v, "V"},
{SDLK_w, "W"},
{SDLK_x, "X"},
{SDLK_y, "Y"},
{SDLK_z, "Z"},
{SDLK_CAPSLOCK, "CapsLock"},
{SDLK_F1, "F1"},
{SDLK_F2, "F2"},
{SDLK_F3, "F3"},
{SDLK_F4, "F4"},
{SDLK_F5, "F5"},
{SDLK_F6, "F6"},
{SDLK_F7, "F7"},
{SDLK_F8, "F8"},
{SDLK_F9, "F9"},
{SDLK_F10, "F10"},
{SDLK_F11, "F11"},
{SDLK_F12, "F12"},
{SDLK_PRINTSCREEN, "Print"},
{SDLK_SCROLLLOCK, "ScrollLock"},
{SDLK_PAUSE, "Pause"},
{SDLK_INSERT, "Insert"},
{SDLK_HOME, "Home"},
{SDLK_PAGEUP, "PageUp"},
{SDLK_DELETE, "Delete"},
{SDLK_END, "End"},
{SDLK_PAGEDOWN, "PageDown"},
{SDLK_RIGHT, "Right"},
{SDLK_LEFT, "Left"},
{SDLK_DOWN, "Down"},
{SDLK_UP, "Up"},
{SDLK_NUMLOCKCLEAR, "NumLock"},
{SDLK_KP_DIVIDE, "Keypad+Divide"},
{SDLK_KP_MULTIPLY, "Keypad+Multiply"},
{SDLK_KP_MINUS, "Keypad+Minus"},
{SDLK_KP_PLUS, "Keypad+Plus"},
{SDLK_KP_ENTER, "Keypad+Return"},
{SDLK_KP_1, "Keypad+1"},
{SDLK_KP_2, "Keypad+2"},
{SDLK_KP_3, "Keypad+3"},
{SDLK_KP_4, "Keypad+4"},
{SDLK_KP_5, "Keypad+5"},
{SDLK_KP_6, "Keypad+6"},
{SDLK_KP_7, "Keypad+7"},
{SDLK_KP_8, "Keypad+8"},
{SDLK_KP_9, "Keypad+9"},
{SDLK_KP_0, "Keypad+0"},
{SDLK_KP_PERIOD, "Keypad+Period"},
{SDLK_APPLICATION, "Application"},
{SDLK_POWER, "Power"},
{SDLK_KP_EQUALS, "Keypad+Equal"},
{SDLK_F13, "F13"},
{SDLK_F14, "F14"},
{SDLK_F15, "F15"},
{SDLK_F16, "F16"},
{SDLK_F17, "F17"},
{SDLK_F18, "F18"},
{SDLK_F19, "F19"},
{SDLK_F20, "F20"},
{SDLK_F21, "F21"},
{SDLK_F22, "F22"},
{SDLK_F23, "F23"},
{SDLK_F24, "F24"},
{SDLK_EXECUTE, "Execute"},
{SDLK_HELP, "Help"},
{SDLK_MENU, "Menu"},
{SDLK_SELECT, "Select"},
{SDLK_STOP, "Stop"},
{SDLK_AGAIN, "Again"},
{SDLK_UNDO, "Undo"},
{SDLK_CUT, "Cut"},
{SDLK_COPY, "Copy"},
{SDLK_PASTE, "Paste"},
{SDLK_FIND, "Find"},
{SDLK_MUTE, "Mute"},
{SDLK_VOLUMEUP, "VolumeUp"},
{SDLK_VOLUMEDOWN, "VolumeDown"},
{SDLK_KP_COMMA, "Keypad+Comma"},
{SDLK_KP_EQUALSAS400, "Keypad+EqualAS400"},
{SDLK_ALTERASE, "AltErase"},
{SDLK_SYSREQ, "SysReq"},
{SDLK_CANCEL, "Cancel"},
{SDLK_CLEAR, "Clear"},
{SDLK_PRIOR, "Prior"},
{SDLK_RETURN2, "Return2"},
{SDLK_SEPARATOR, "Separator"},
{SDLK_OUT, "Out"},
{SDLK_OPER, "Oper"},
{SDLK_CLEARAGAIN, "ClearAgain"},
{SDLK_CRSEL, "CrSel"},
{SDLK_EXSEL, "ExSel"},
{SDLK_KP_00, "Keypad+00"},
{SDLK_KP_000, "Keypad+000"},
{SDLK_THOUSANDSSEPARATOR, "ThousandsSeparator"},
{SDLK_DECIMALSEPARATOR, "DecimalSeparator"},
{SDLK_CURRENCYUNIT, "CurrencyUnit"},
{SDLK_CURRENCYSUBUNIT, "CurrencySubunit"},
{SDLK_KP_LEFTPAREN, "Keypad+ParenLeft"},
{SDLK_KP_RIGHTPAREN, "Keypad+ParenRight"},
{SDLK_KP_LEFTBRACE, "Keypad+LeftBrace"},
{SDLK_KP_RIGHTBRACE, "Keypad+RightBrace"},
{SDLK_KP_TAB, "Keypad+Tab"},
{SDLK_KP_BACKSPACE, "Keypad+Backspace"},
{SDLK_KP_A, "Keypad+A"},
{SDLK_KP_B, "Keypad+B"},
{SDLK_KP_C, "Keypad+C"},
{SDLK_KP_D, "Keypad+D"},
{SDLK_KP_E, "Keypad+E"},
{SDLK_KP_F, "Keypad+F"},
{SDLK_KP_XOR, "Keypad+XOR"},
{SDLK_KP_POWER, "Keypad+Power"},
{SDLK_KP_PERCENT, "Keypad+Percent"},
{SDLK_KP_LESS, "Keypad+Less"},
{SDLK_KP_GREATER, "Keypad+Greater"},
{SDLK_KP_AMPERSAND, "Keypad+Ampersand"},
{SDLK_KP_DBLAMPERSAND, "Keypad+AmpersandDbl"},
{SDLK_KP_VERTICALBAR, "Keypad+Bar"},
{SDLK_KP_DBLVERTICALBAR, "Keypad+BarDbl"},
{SDLK_KP_COLON, "Keypad+Colon"},
{SDLK_KP_HASH, "Keypad+Hash"},
{SDLK_KP_SPACE, "Keypad+Space"},
{SDLK_KP_AT, "Keypad+At"},
{SDLK_KP_EXCLAM, "Keypad+Exclam"},
{SDLK_KP_MEMSTORE, "Keypad+MemStore"},
{SDLK_KP_MEMRECALL, "Keypad+MemRecall"},
{SDLK_KP_MEMCLEAR, "Keypad+MemClear"},
{SDLK_KP_MEMADD, "Keypad+MemAdd"},
{SDLK_KP_MEMSUBTRACT, "Keypad+MemSubtract"},
{SDLK_KP_MEMMULTIPLY, "Keypad+MemMultiply"},
{SDLK_KP_MEMDIVIDE, "Keypad+MemDivide"},
{SDLK_KP_PLUSMINUS, "Keypad+PlusMinus"},
{SDLK_KP_CLEAR, "Keypad+Clear"},
{SDLK_KP_CLEARENTRY, "Keypad+ClearEntry"},
{SDLK_KP_BINARY, "Keypad+Binary"},
{SDLK_KP_OCTAL, "Keypad+Octal"},
{SDLK_KP_DECIMAL, "Keypad+Decimal"},
{SDLK_KP_HEXADECIMAL, "Keypad+Hexadecimal"},
{SDLK_LCTRL, "LeftControl"},
{SDLK_LSHIFT, "LeftShift"},
{SDLK_LALT, "LeftAlt"},
{SDLK_LGUI, "Super_L"},
{SDLK_RCTRL, "RightCtrl"},
{SDLK_RSHIFT, "RightShift"},
{SDLK_RALT, "RightAlt"},
{SDLK_RGUI, "RightSuper"},
{SDLK_MODE, "Mode"},
{SDLK_AUDIONEXT, "MediaNext"},
{SDLK_AUDIOPREV, "MediaPrevious"},
{SDLK_AUDIOSTOP, "MediaStop"},
{SDLK_AUDIOPLAY, "MediaPlay"},
{SDLK_AUDIOMUTE, "VolumeMute"},
{SDLK_MEDIASELECT, "MediaSelect"},
{SDLK_WWW, "WWW"},
{SDLK_MAIL, "Mail"},
{SDLK_CALCULATOR, "Calculator"},
{SDLK_COMPUTER, "Computer"},
{SDLK_AC_SEARCH, "Search"},
{SDLK_AC_HOME, "Home"},
{SDLK_AC_BACK, "Back"},
{SDLK_AC_FORWARD, "Forward"},
{SDLK_AC_STOP, "Stop"},
{SDLK_AC_REFRESH, "Refresh"},
{SDLK_AC_BOOKMARKS, "Bookmarks"},
{SDLK_BRIGHTNESSDOWN, "BrightnessDown"},
{SDLK_BRIGHTNESSUP, "BrightnessUp"},
{SDLK_DISPLAYSWITCH, "DisplaySwitch"},
{SDLK_KBDILLUMTOGGLE, "IllumToggle"},
{SDLK_KBDILLUMDOWN, "IllumDown"},
{SDLK_KBDILLUMUP, "IllumUp"},
{SDLK_EJECT, "Eject"},
{SDLK_SLEEP, "Sleep"},
{SDLK_APP1, "App1"},
{SDLK_APP2, "App2"},
{SDLK_AUDIOREWIND, "MediaRewind"},
{SDLK_AUDIOFASTFORWARD, "MediaFastForward"}};
struct SDLKeyModifierEntry
{
SDL_Keymod mod;
SDL_Keymod mod_mask;
SDL_Keycode key_left;
SDL_Keycode key_right;
const char* name;
};
static const std::array<SDLKeyModifierEntry, 4> s_sdl_key_modifiers = {
{{KMOD_LSHIFT, static_cast<SDL_Keymod>(KMOD_LSHIFT | KMOD_RSHIFT), SDLK_LSHIFT, SDLK_RSHIFT, "Shift"},
{KMOD_LCTRL, static_cast<SDL_Keymod>(KMOD_LCTRL | KMOD_RCTRL), SDLK_LCTRL, SDLK_RCTRL, "Control"},
{KMOD_LALT, static_cast<SDL_Keymod>(KMOD_LALT | KMOD_RALT), SDLK_LALT, SDLK_RALT, "Alt"},
{KMOD_LGUI, static_cast<SDL_Keymod>(KMOD_LGUI | KMOD_RGUI), SDLK_LGUI, SDLK_RGUI, "Meta"}}};
static const char* GetKeyName(SDL_Keycode key)
{
const auto it = s_sdl_key_names.find(key);
return it == s_sdl_key_names.end() ? nullptr : it->second;
}
static std::optional<SDL_Keycode> GetKeyCodeForName(const std::string_view key_name)
{
for (const auto& it : s_sdl_key_names)
{
if (key_name == it.second)
return it.first;
}
return std::nullopt;
}
static u32 KeyEventToInt(const SDL_Event* event)
{
u32 code = static_cast<u32>(event->key.keysym.sym);
const SDL_Keymod mods = static_cast<SDL_Keymod>(event->key.keysym.mod);
if (mods & (KMOD_LSHIFT | KMOD_RSHIFT))
code |= static_cast<u32>(KMOD_LSHIFT) << MODIFIER_SHIFT;
if (mods & (KMOD_LCTRL | KMOD_RCTRL))
code |= static_cast<u32>(KMOD_LCTRL) << MODIFIER_SHIFT;
if (mods & (KMOD_LALT | KMOD_RALT))
code |= static_cast<u32>(KMOD_LALT) << MODIFIER_SHIFT;
if (mods & (KMOD_LGUI | KMOD_RGUI))
code |= static_cast<u32>(KMOD_LGUI) << MODIFIER_SHIFT;
return code;
}
static bool KeyEventToString(const SDL_Event* event, String& out_string)
{
const SDL_Keycode key = event->key.keysym.sym;
const SDL_Keymod mods = static_cast<SDL_Keymod>(event->key.keysym.mod);
const char* key_name = GetKeyName(event->key.keysym.sym);
if (!key_name)
return false;
out_string.Clear();
for (const SDLKeyModifierEntry& mod : s_sdl_key_modifiers)
{
if (mods & mod.mod_mask && key != mod.key_left && key != mod.key_right)
{
out_string.AppendString(mod.name);
out_string.AppendCharacter('+');
}
}
out_string.AppendString(key_name);
return true;
}
static std::optional<u32> ParseKeyString(const std::string_view key_str)
{
u32 modifiers = 0;
std::string_view::size_type pos = 0;
for (;;)
{
std::string_view::size_type plus_pos = key_str.find('+', pos);
if (plus_pos == std::string_view::npos)
break;
const std::string_view mod_part = key_str.substr(pos, plus_pos - pos);
// Keypad in SDL is not a mod and should always be the last + in the string
bool known_mod = false;
for (const SDLKeyModifierEntry& mod : s_sdl_key_modifiers)
{
if (mod_part == mod.name)
{
modifiers |= static_cast<int>(mod.mod);
known_mod = true;
break;
}
}
if (!known_mod)
break;
pos = plus_pos + 1;
}
std::optional<SDL_Keycode> key_code = GetKeyCodeForName(key_str.substr(pos));
if (!key_code)
return std::nullopt;
return static_cast<u32>(key_code.value()) | (modifiers << MODIFIER_SHIFT);
}
} // namespace SDLKeyNames

229
src/duckstation-nogui/vty_host_interface.cpp
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@ -1,229 +0,0 @@
#include "vty_host_interface.h"
#include "common/log.h"
#include "common/string_util.h"
#include "evdev_key_names.h"
#include "frontend-common/ini_settings_interface.h"
#include "imgui.h"
#include <fcntl.h>
#include <linux/input-event-codes.h>
#include <signal.h>
#include <unistd.h>
Log_SetChannel(VTYHostInterface);
#ifdef WITH_DRMKMS
#include "common/drm_display.h"
#endif
VTYHostInterface::VTYHostInterface() = default;
VTYHostInterface::~VTYHostInterface()
{
CloseEVDevFDs();
}
std::unique_ptr<NoGUIHostInterface> VTYHostInterface::Create()
{
return std::make_unique<VTYHostInterface>();
}
bool VTYHostInterface::Initialize()
{
if (!NoGUIHostInterface::Initialize())
return false;
OpenEVDevFDs();
signal(SIGTERM, SIGTERMHandler);
signal(SIGINT, SIGTERMHandler);
signal(SIGQUIT, SIGTERMHandler);
return true;
}
void VTYHostInterface::Shutdown()
{
CloseEVDevFDs();
NoGUIHostInterface::Shutdown();
}
bool VTYHostInterface::IsFullscreen() const
{
return true;
}
bool VTYHostInterface::SetFullscreen(bool enabled)
{
return enabled;
}
void VTYHostInterface::FixIncompatibleSettings(bool display_osd_messages)
{
NoGUIHostInterface::FixIncompatibleSettings(display_osd_messages);
// Some things we definitely don't want.
g_settings.confim_power_off = false;
}
bool VTYHostInterface::CreatePlatformWindow()
{
SetImGuiKeyMap();
return true;
}
void VTYHostInterface::DestroyPlatformWindow()
{
// nothing to destroy, it's all in the context
}
std::optional<WindowInfo> VTYHostInterface::GetPlatformWindowInfo()
{
WindowInfo wi;
wi.type = WindowInfo::Type::Display;
wi.surface_width = 0;
wi.surface_height = 0;
wi.surface_refresh_rate = 0.0f;
wi.surface_format = WindowInfo::SurfaceFormat::Auto;
const std::string fullscreen_mode = m_settings_interface->GetStringValue("GPU", "FullscreenMode", "");
if (!fullscreen_mode.empty())
{
if (!ParseFullscreenMode(fullscreen_mode, &wi.surface_width, &wi.surface_height, &wi.surface_refresh_rate))
{
Log_ErrorPrintf("Failed to parse fullscreen mode '%s'", fullscreen_mode.c_str());
}
}
#ifdef WITH_DRMKMS
// set to current mode
if (wi.surface_width == 0)
{
if (!DRMDisplay::GetCurrentMode(&wi.surface_width, &wi.surface_height, &wi.surface_refresh_rate))
Log_ErrorPrintf("Failed to get current mode, will use default.");
}
#endif
return wi;
}
void VTYHostInterface::PollAndUpdate()
{
PollEvDevKeyboards();
NoGUIHostInterface::PollAndUpdate();
}
void VTYHostInterface::SetMouseMode(bool relative, bool hide_cursor) {}
void VTYHostInterface::OpenEVDevFDs()
{
for (int i = 0; i < 1000; i++)
{
TinyString path;
path.Format("/dev/input/event%d", i);
int fd = open(path, O_RDONLY | O_NONBLOCK);
if (fd < 0)
break;
struct libevdev* obj;
if (libevdev_new_from_fd(fd, &obj) != 0)
{
Log_ErrorPrintf("libevdev_new_from_fd(%s) failed", path.GetCharArray());
close(fd);
continue;
}
Log_DevPrintf("Input path: %s", path.GetCharArray());
Log_DevPrintf("Input device name: \"%s\"", libevdev_get_name(obj));
Log_DevPrintf("Input device ID: bus %#x vendor %#x product %#x", libevdev_get_id_bustype(obj),
libevdev_get_id_vendor(obj), libevdev_get_id_product(obj));
if (!libevdev_has_event_code(obj, EV_KEY, KEY_SPACE))
{
Log_DevPrintf("This device does not look like a keyboard");
libevdev_free(obj);
close(fd);
continue;
}
const int grab_res = libevdev_grab(obj, LIBEVDEV_GRAB);
if (grab_res != 0)
Log_WarningPrintf("Failed to grab '%s' (%s): %d", libevdev_get_name(obj), path.GetCharArray(), grab_res);
m_evdev_keyboards.push_back({obj, fd});
}
}
void VTYHostInterface::CloseEVDevFDs()
{
for (const EvDevKeyboard& kb : m_evdev_keyboards)
{
libevdev_grab(kb.obj, LIBEVDEV_UNGRAB);
libevdev_free(kb.obj);
close(kb.fd);
}
m_evdev_keyboards.clear();
}
void VTYHostInterface::PollEvDevKeyboards()
{
for (const EvDevKeyboard& kb : m_evdev_keyboards)
{
struct input_event ev;
while (libevdev_next_event(kb.obj, LIBEVDEV_READ_FLAG_NORMAL, &ev) == 0)
{
// auto-repeat
if (ev.value == 2)
continue;
const bool pressed = (ev.value == 1);
const HostKeyCode code = static_cast<HostKeyCode>(ev.code);
if (static_cast<unsigned>(code) < countof(ImGuiIO::KeysDown))
ImGui::GetIO().KeysDown[code] = pressed;
HandleHostKeyEvent(code, 0, pressed);
}
}
}
void VTYHostInterface::SetImGuiKeyMap()
{
ImGuiIO& io = ImGui::GetIO();
io.KeyMap[ImGuiKey_Tab] = KEY_TAB;
io.KeyMap[ImGuiKey_LeftArrow] = KEY_LEFT;
io.KeyMap[ImGuiKey_RightArrow] = KEY_RIGHT;
io.KeyMap[ImGuiKey_UpArrow] = KEY_UP;
io.KeyMap[ImGuiKey_DownArrow] = KEY_DOWN;
io.KeyMap[ImGuiKey_PageUp] = KEY_PAGEUP;
io.KeyMap[ImGuiKey_PageDown] = KEY_PAGEDOWN;
io.KeyMap[ImGuiKey_Home] = KEY_HOME;
io.KeyMap[ImGuiKey_End] = KEY_END;
io.KeyMap[ImGuiKey_Insert] = KEY_INSERT;
io.KeyMap[ImGuiKey_Delete] = KEY_DELETE;
io.KeyMap[ImGuiKey_Backspace] = KEY_BACKSPACE;
io.KeyMap[ImGuiKey_Space] = KEY_SPACE;
io.KeyMap[ImGuiKey_Enter] = KEY_ENTER;
io.KeyMap[ImGuiKey_Escape] = KEY_ESC;
io.KeyMap[ImGuiKey_KeyPadEnter] = KEY_KPENTER;
io.KeyMap[ImGuiKey_A] = KEY_A;
io.KeyMap[ImGuiKey_C] = KEY_C;
io.KeyMap[ImGuiKey_V] = KEY_V;
io.KeyMap[ImGuiKey_X] = KEY_X;
io.KeyMap[ImGuiKey_Y] = KEY_Y;
io.KeyMap[ImGuiKey_Z] = KEY_Z;
}
std::optional<VTYHostInterface::HostKeyCode> VTYHostInterface::GetHostKeyCode(const std::string_view key_code) const
{
std::optional<int> kc = EvDevKeyNames::GetKeyCodeForName(key_code);
if (!kc.has_value())
return std::nullopt;
return static_cast<HostKeyCode>(kc.value());
}
void VTYHostInterface::SIGTERMHandler(int sig)
{
Log_InfoPrintf("Recieved SIGTERM");
static_cast<VTYHostInterface*>(g_host_interface)->m_quit_request = true;
signal(sig, SIG_DFL);
}

49
src/duckstation-nogui/vty_host_interface.h
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@ -1,49 +0,0 @@
#pragma once
#include "nogui_host_interface.h"
#include <memory>
#include <vector>
#include <libevdev/libevdev.h>
class VTYHostInterface final : public NoGUIHostInterface
{
public:
VTYHostInterface();
~VTYHostInterface();
bool Initialize();
void Shutdown();
bool IsFullscreen() const override;
bool SetFullscreen(bool enabled) override;
static std::unique_ptr<NoGUIHostInterface> Create();
protected:
virtual void FixIncompatibleSettings(bool display_osd_messages) override;
bool CreatePlatformWindow() override;
void DestroyPlatformWindow() override;
std::optional<WindowInfo> GetPlatformWindowInfo() override;
std::optional<HostKeyCode> GetHostKeyCode(const std::string_view key_code) const override;
void PollAndUpdate() override;
void SetMouseMode(bool relative, bool hide_cursor) override;
private:
static void SIGTERMHandler(int sig);
void OpenEVDevFDs();
void CloseEVDevFDs();
void PollEvDevKeyboards();
void SetImGuiKeyMap();
struct EvDevKeyboard
{
struct libevdev* obj;
int fd;
};
std::vector<EvDevKeyboard> m_evdev_keyboards;
};

4
src/duckstation-nogui/evdev_key_names.h → src/duckstation-nogui/vty_key_names.h
View File

@ -8,7 +8,7 @@
#include <optional>
#include <string_view>
namespace EvDevKeyNames {
namespace VTYKeyNames {
static const std::map<int, const char*> s_evdev_key_names = {{KEY_ESC, "Escape"},
{KEY_1, "1"},
@ -275,4 +275,4 @@ static inline std::optional<int> GetKeyCodeForName(const std::string_view key_na
return std::nullopt;
}
} // namespace EvDevKeyNames
} // namespace VTYKeyNames

233
src/duckstation-nogui/vty_nogui_platform.cpp Normal file
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@ -0,0 +1,233 @@
#include "vty_nogui_platform.h"
#include "common/log.h"
#include "common/string_util.h"
#include "common/threading.h"
#include "core/host.h"
#include "core/host_settings.h"
#include "nogui_host.h"
#include "resource.h"
#include "vty_key_names.h"
#include <fcntl.h>
#include <linux/input-event-codes.h>
#include <thread>
#include <unistd.h>
Log_SetChannel(VTYNoGUIPlatform);
#ifdef WITH_DRMKMS
#include "common/drm_display.h"
#endif
VTYNoGUIPlatform::VTYNoGUIPlatform()
{
m_message_loop_running.store(true, std::memory_order_release);
}
VTYNoGUIPlatform::~VTYNoGUIPlatform()
{
CloseEVDevFDs();
}
std::unique_ptr<NoGUIPlatform> NoGUIPlatform::CreateVTYPlatform()
{
std::unique_ptr<VTYNoGUIPlatform> platform(std::make_unique<VTYNoGUIPlatform>());
if (!platform->Initialize())
platform.reset();
return platform;
}
bool VTYNoGUIPlatform::Initialize()
{
OpenEVDevFDs();
return true;
}
void VTYNoGUIPlatform::ReportError(const std::string_view& title, const std::string_view& message)
{
const std::string title_copy(title);
const std::string message_copy(message);
Log_ErrorPrintf("%s: %s", title_copy.c_str(), message_copy.c_str());
}
void VTYNoGUIPlatform::SetDefaultConfig(SettingsInterface& si)
{
// noop
}
bool VTYNoGUIPlatform::CreatePlatformWindow(std::string title)
{
return true;
}
void VTYNoGUIPlatform::DestroyPlatformWindow()
{
// noop
}
std::optional<WindowInfo> VTYNoGUIPlatform::GetPlatformWindowInfo()
{
WindowInfo wi;
wi.type = WindowInfo::Type::Display;
wi.surface_width = 0;
wi.surface_height = 0;
wi.surface_refresh_rate = 0.0f;
wi.surface_format = WindowInfo::SurfaceFormat::Auto;
const std::string fullscreen_mode = Host::GetStringSettingValue("GPU", "FullscreenMode", "");
if (!fullscreen_mode.empty())
{
if (!HostDisplay::ParseFullscreenMode(fullscreen_mode, &wi.surface_width, &wi.surface_height,
&wi.surface_refresh_rate))
{
Log_ErrorPrintf("Failed to parse fullscreen mode '%s'", fullscreen_mode.c_str());
}
}
#ifdef WITH_DRMKMS
// set to current mode
if (wi.surface_width == 0)
{
if (!DRMDisplay::GetCurrentMode(&wi.surface_width, &wi.surface_height, &wi.surface_refresh_rate))
Log_ErrorPrintf("Failed to get current mode, will use default.");
}
#endif
// This isn't great, but it's an approximation at least..
if (wi.surface_width > 0)
wi.surface_scale = std::max(0.1f, static_cast<float>(wi.surface_width) / 1280.0f);
return wi;
}
void VTYNoGUIPlatform::SetFullscreen(bool enabled)
{
// already fullscreen :-)
}
bool VTYNoGUIPlatform::RequestRenderWindowSize(s32 new_window_width, s32 new_window_height)
{
return false;
}
void VTYNoGUIPlatform::SetPlatformWindowTitle(std::string title)
{
Log_InfoPrintf("Window Title: %s", title.c_str());
}
void* VTYNoGUIPlatform::GetPlatformWindowHandle()
{
return nullptr;
}
void VTYNoGUIPlatform::RunMessageLoop()
{
while (m_message_loop_running.load(std::memory_order_acquire))
{
PollEvDevKeyboards();
{
std::unique_lock lock(m_callback_queue_mutex);
while (!m_callback_queue.empty())
{
std::function<void()> func = std::move(m_callback_queue.front());
m_callback_queue.pop_front();
lock.unlock();
func();
lock.lock();
}
}
// TODO: Make this suck less.
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
}
void VTYNoGUIPlatform::ExecuteInMessageLoop(std::function<void()> func)
{
std::unique_lock lock(m_callback_queue_mutex);
m_callback_queue.push_back(std::move(func));
}
void VTYNoGUIPlatform::QuitMessageLoop()
{
m_message_loop_running.store(false, std::memory_order_release);
}
void VTYNoGUIPlatform::OpenEVDevFDs()
{
for (int i = 0; i < 1000; i++)
{
TinyString path;
path.Format("/dev/input/event%d", i);
int fd = open(path, O_RDONLY | O_NONBLOCK);
if (fd < 0)
break;
struct libevdev* obj;
if (libevdev_new_from_fd(fd, &obj) != 0)
{
Log_ErrorPrintf("libevdev_new_from_fd(%s) failed", path.GetCharArray());
close(fd);
continue;
}
Log_DevPrintf("Input path: %s", path.GetCharArray());
Log_DevPrintf("Input device name: \"%s\"", libevdev_get_name(obj));
Log_DevPrintf("Input device ID: bus %#x vendor %#x product %#x", libevdev_get_id_bustype(obj),
libevdev_get_id_vendor(obj), libevdev_get_id_product(obj));
if (!libevdev_has_event_code(obj, EV_KEY, KEY_SPACE))
{
Log_DevPrintf("This device does not look like a keyboard");
libevdev_free(obj);
close(fd);
continue;
}
const int grab_res = libevdev_grab(obj, LIBEVDEV_GRAB);
if (grab_res != 0)
Log_WarningPrintf("Failed to grab '%s' (%s): %d", libevdev_get_name(obj), path.GetCharArray(), grab_res);
m_evdev_keyboards.push_back({obj, fd});
}
}
void VTYNoGUIPlatform::CloseEVDevFDs()
{
for (const EvDevKeyboard& kb : m_evdev_keyboards)
{
libevdev_grab(kb.obj, LIBEVDEV_UNGRAB);
libevdev_free(kb.obj);
close(kb.fd);
}
m_evdev_keyboards.clear();
}
void VTYNoGUIPlatform::PollEvDevKeyboards()
{
for (const EvDevKeyboard& kb : m_evdev_keyboards)
{
struct input_event ev;
while (libevdev_next_event(kb.obj, LIBEVDEV_READ_FLAG_NORMAL, &ev) == 0)
{
// auto-repeat
// TODO: forward char to imgui
if (ev.value == 2)
continue;
const bool pressed = (ev.value == 1);
NoGUIHost::ProcessPlatformKeyEvent(static_cast<s32>(ev.code), pressed);
}
}
}
std::optional<u32> VTYNoGUIPlatform::ConvertHostKeyboardStringToCode(const std::string_view& str)
{
std::optional<int> converted(VTYKeyNames::GetKeyCodeForName(str));
return converted.has_value() ? std::optional<u32>(static_cast<u32>(converted.value())) : std::nullopt;
}
std::optional<std::string> VTYNoGUIPlatform::ConvertHostKeyboardCodeToString(u32 code)
{
const char* keyname = VTYKeyNames::GetKeyName(static_cast<int>(code));
return keyname ? std::optional<std::string>(std::string(keyname)) : std::nullopt;
}

57
src/duckstation-nogui/vty_nogui_platform.h Normal file
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@ -0,0 +1,57 @@
#pragma once
#include "nogui_platform.h"
#include <atomic>
#include <deque>
#include <functional>
#include <libevdev/libevdev.h>
#include <mutex>
#include <vector>
class VTYNoGUIPlatform : public NoGUIPlatform
{
public:
VTYNoGUIPlatform();
~VTYNoGUIPlatform();
bool Initialize();
void ReportError(const std::string_view& title, const std::string_view& message) override;
void SetDefaultConfig(SettingsInterface& si) override;
bool CreatePlatformWindow(std::string title) override;
void DestroyPlatformWindow() override;
std::optional<WindowInfo> GetPlatformWindowInfo() override;
void SetPlatformWindowTitle(std::string title) override;
void* GetPlatformWindowHandle() override;
std::optional<u32> ConvertHostKeyboardStringToCode(const std::string_view& str) override;
std::optional<std::string> ConvertHostKeyboardCodeToString(u32 code) override;
void RunMessageLoop() override;
void ExecuteInMessageLoop(std::function<void()> func) override;
void QuitMessageLoop() override;
void SetFullscreen(bool enabled) override;
bool RequestRenderWindowSize(s32 new_window_width, s32 new_window_height) override;
private:
void OpenEVDevFDs();
void CloseEVDevFDs();
void PollEvDevKeyboards();
void SetImGuiKeyMap();
struct EvDevKeyboard
{
struct libevdev* obj;
int fd;
};
std::vector<EvDevKeyboard> m_evdev_keyboards;
std::deque<std::function<void()>> m_callback_queue;
std::mutex m_callback_queue_mutex;
std::atomic_bool m_message_loop_running{false};
};

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#include "wayland_nogui_platform.h"
#include "common/assert.h"
#include "common/log.h"
#include "common/string_util.h"
#include "common/threading.h"
#include "core/host.h"
#include "core/host_settings.h"
#include "nogui_host.h"
#include "nogui_platform.h"
#include <linux/input-event-codes.h>
#include <sys/mman.h>
#include <thread>
#include <unistd.h>
Log_SetChannel(WaylandNoGUIPlatform);
WaylandNoGUIPlatform::WaylandNoGUIPlatform()
{
m_message_loop_running.store(true, std::memory_order_release);
}
WaylandNoGUIPlatform::~WaylandNoGUIPlatform()
{
if (m_xkb_state)
xkb_state_unref(m_xkb_state);
if (m_xkb_keymap)
xkb_keymap_unref(m_xkb_keymap);
if (m_wl_keyboard)
wl_keyboard_destroy(m_wl_keyboard);
if (m_wl_pointer)
wl_pointer_destroy(m_wl_pointer);
if (m_wl_seat)
wl_seat_destroy(m_wl_seat);
if (m_xkb_context)
xkb_context_unref(m_xkb_context);
if (m_registry)
wl_registry_destroy(m_registry);
}
bool WaylandNoGUIPlatform::Initialize()
{
m_xkb_context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (!m_xkb_context)
{
Panic("Failed to create XKB context");
return false;
}
m_display = wl_display_connect(nullptr);
if (!m_display)
{
Panic("Failed to connect to Wayland display.");
return false;
}
static const wl_registry_listener registry_listener = {GlobalRegistryHandler, GlobalRegistryRemover};
m_registry = wl_display_get_registry(m_display);
wl_registry_add_listener(m_registry, &registry_listener, this);
// Call back to registry listener to get compositor/shell.
wl_display_dispatch_pending(m_display);
wl_display_roundtrip(m_display);
// We need a shell/compositor, or at least one we understand.
if (!m_compositor || !m_xdg_wm_base)
{
Panic("Missing Wayland shell/compositor\n");
return false;
}
static const xdg_wm_base_listener xdg_wm_base_listener = {XDGWMBasePing};
xdg_wm_base_add_listener(m_xdg_wm_base, &xdg_wm_base_listener, this);
wl_display_dispatch_pending(m_display);
wl_display_roundtrip(m_display);
return true;
}
void WaylandNoGUIPlatform::ReportError(const std::string_view& title, const std::string_view& message)
{
const std::string title_copy(title);
const std::string message_copy(message);
Log_ErrorPrintf("%s: %s", title_copy.c_str(), message_copy.c_str());
}
void WaylandNoGUIPlatform::SetDefaultConfig(SettingsInterface& si) {}
bool WaylandNoGUIPlatform::CreatePlatformWindow(std::string title)
{
s32 window_x, window_y, window_width, window_height;
bool has_window_pos = NoGUIHost::GetSavedPlatformWindowGeometry(&window_x, &window_y, &window_width, &window_height);
if (!has_window_pos)
{
window_x = 0;
window_y = 0;
window_width = DEFAULT_WINDOW_WIDTH;
window_height = DEFAULT_WINDOW_HEIGHT;
}
// Create the compositor and shell surface.
if (!(m_surface = wl_compositor_create_surface(m_compositor)) ||
!(m_xdg_surface = xdg_wm_base_get_xdg_surface(m_xdg_wm_base, m_surface)) ||
!(m_xdg_toplevel = xdg_surface_get_toplevel(m_xdg_surface)))
{
Log_ErrorPrintf("Failed to create compositor/shell surfaces");
return false;
}
static const xdg_surface_listener shell_surface_listener = {XDGSurfaceConfigure};
xdg_surface_add_listener(m_xdg_surface, &shell_surface_listener, this);
static const xdg_toplevel_listener toplevel_listener = {TopLevelConfigure, TopLevelClose};
xdg_toplevel_add_listener(m_xdg_toplevel, &toplevel_listener, this);
// Create region in the surface to draw into.
m_region = wl_compositor_create_region(m_compositor);
wl_region_add(m_region, 0, 0, window_width, window_height);
wl_surface_set_opaque_region(m_surface, m_region);
wl_surface_commit(m_surface);
// This doesn't seem to have any effect on kwin...
if (has_window_pos)
{
xdg_surface_set_window_geometry(m_xdg_surface, window_x, window_y, window_width, window_height);
}
if (m_decoration_manager)
{
m_toplevel_decoration = zxdg_decoration_manager_v1_get_toplevel_decoration(m_decoration_manager, m_xdg_toplevel);
if (m_toplevel_decoration)
zxdg_toplevel_decoration_v1_set_mode(m_toplevel_decoration, ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
}
m_window_info.surface_width = static_cast<u32>(window_width);
m_window_info.surface_height = static_cast<u32>(window_height);
m_window_info.surface_scale = 1.0f;
m_window_info.type = WindowInfo::Type::Wayland;
m_window_info.window_handle = m_surface;
m_window_info.display_connection = m_display;
wl_display_dispatch_pending(m_display);
wl_display_roundtrip(m_display);
return true;
}
void WaylandNoGUIPlatform::DestroyPlatformWindow()
{
m_window_info = {};
if (m_toplevel_decoration)
{
zxdg_toplevel_decoration_v1_destroy(m_toplevel_decoration);
m_toplevel_decoration = {};
}
if (m_xdg_toplevel)
{
xdg_toplevel_destroy(m_xdg_toplevel);
m_xdg_toplevel = {};
}
if (m_xdg_surface)
{
xdg_surface_destroy(m_xdg_surface);
m_xdg_surface = {};
}
if (m_surface)
{
wl_surface_destroy(m_surface);
m_surface = {};
}
wl_display_dispatch_pending(m_display);
wl_display_roundtrip(m_display);
}
std::optional<WindowInfo> WaylandNoGUIPlatform::GetPlatformWindowInfo()
{
if (m_window_info.type == WindowInfo::Type::Wayland)
return m_window_info;
else
return std::nullopt;
}
void WaylandNoGUIPlatform::SetPlatformWindowTitle(std::string title)
{
if (m_xdg_toplevel)
xdg_toplevel_set_title(m_xdg_toplevel, title.c_str());
}
void* WaylandNoGUIPlatform::GetPlatformWindowHandle()
{
return m_surface;
}
std::optional<u32> WaylandNoGUIPlatform::ConvertHostKeyboardStringToCode(const std::string_view& str)
{
std::unique_lock lock(m_key_map_mutex);
for (const auto& it : m_key_map)
{
if (StringUtil::Strncasecmp(it.second.c_str(), str.data(), str.length()) == 0)
return it.first;
}
return std::nullopt;
}
std::optional<std::string> WaylandNoGUIPlatform::ConvertHostKeyboardCodeToString(u32 code)
{
std::unique_lock lock(m_key_map_mutex);
const auto it = m_key_map.find(static_cast<s32>(code));
return (it != m_key_map.end()) ? std::optional<std::string>(it->second) : std::nullopt;
}
void WaylandNoGUIPlatform::GlobalRegistryHandler(void* data, wl_registry* registry, uint32_t id, const char* interface,
uint32_t version)
{
WaylandNoGUIPlatform* platform = static_cast<WaylandNoGUIPlatform*>(data);
if (std::strcmp(interface, wl_compositor_interface.name) == 0)
{
platform->m_compositor =
static_cast<wl_compositor*>(wl_registry_bind(platform->m_registry, id, &wl_compositor_interface, 1));
}
else if (std::strcmp(interface, xdg_wm_base_interface.name) == 0)
{
platform->m_xdg_wm_base =
static_cast<xdg_wm_base*>(wl_registry_bind(platform->m_registry, id, &xdg_wm_base_interface, 1));
}
else if (std::strcmp(interface, zxdg_decoration_manager_v1_interface.name) == 0)
{
platform->m_decoration_manager = static_cast<zxdg_decoration_manager_v1*>(
wl_registry_bind(platform->m_registry, id, &zxdg_decoration_manager_v1_interface, 1));
}
else if (std::strcmp(interface, wl_seat_interface.name) == 0)
{
static const wl_seat_listener seat_listener = {&WaylandNoGUIPlatform::SeatCapabilities};
platform->m_wl_seat = static_cast<wl_seat*>(wl_registry_bind(registry, id, &wl_seat_interface, 1));
wl_seat_add_listener(platform->m_wl_seat, &seat_listener, platform);
}
}
void WaylandNoGUIPlatform::GlobalRegistryRemover(void* data, wl_registry* registry, uint32_t id) {}
void WaylandNoGUIPlatform::XDGWMBasePing(void* data, struct xdg_wm_base* xdg_wm_base, uint32_t serial)
{
xdg_wm_base_pong(xdg_wm_base, serial);
}
void WaylandNoGUIPlatform::XDGSurfaceConfigure(void* data, struct xdg_surface* xdg_surface, uint32_t serial)
{
xdg_surface_ack_configure(xdg_surface, serial);
}
void WaylandNoGUIPlatform::TopLevelConfigure(void* data, struct xdg_toplevel* xdg_toplevel, int32_t width,
int32_t height, struct wl_array* states)
{
// If this is zero, it's asking us to set the size.
if (width == 0 || height == 0)
return;
WaylandNoGUIPlatform* platform = static_cast<WaylandNoGUIPlatform*>(data);
platform->m_window_info.surface_width = width;
platform->m_window_info.surface_height = height;
NoGUIHost::ProcessPlatformWindowResize(width, height, platform->m_window_info.surface_scale);
}
void WaylandNoGUIPlatform::TopLevelClose(void* data, struct xdg_toplevel* xdg_toplevel)
{
Host::RunOnCPUThread([]() { Host::RequestExit(g_settings.save_state_on_exit); });
}
void WaylandNoGUIPlatform::SeatCapabilities(void* data, wl_seat* seat, uint32_t capabilities)
{
WaylandNoGUIPlatform* platform = static_cast<WaylandNoGUIPlatform*>(data);
if (capabilities & WL_SEAT_CAPABILITY_KEYBOARD)
{
static const wl_keyboard_listener keyboard_listener = {
&WaylandNoGUIPlatform::KeyboardKeymap, &WaylandNoGUIPlatform::KeyboardEnter, &WaylandNoGUIPlatform::KeyboardLeave,
&WaylandNoGUIPlatform::KeyboardKey, &WaylandNoGUIPlatform::KeyboardModifiers};
platform->m_wl_keyboard = wl_seat_get_keyboard(seat);
wl_keyboard_add_listener(platform->m_wl_keyboard, &keyboard_listener, platform);
}
if (capabilities & WL_SEAT_CAPABILITY_POINTER)
{
static const wl_pointer_listener pointer_listener = {
&WaylandNoGUIPlatform::PointerEnter, &WaylandNoGUIPlatform::PointerLeave, &WaylandNoGUIPlatform::PointerMotion,
&WaylandNoGUIPlatform::PointerButton, &WaylandNoGUIPlatform::PointerAxis};
platform->m_wl_pointer = wl_seat_get_pointer(seat);
wl_pointer_add_listener(platform->m_wl_pointer, &pointer_listener, platform);
}
}
void WaylandNoGUIPlatform::KeyboardKeymap(void* data, wl_keyboard* keyboard, uint32_t format, int32_t fd, uint32_t size)
{
WaylandNoGUIPlatform* platform = static_cast<WaylandNoGUIPlatform*>(data);
char* keymap_string = static_cast<char*>(mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
if (platform->m_xkb_keymap)
xkb_keymap_unref(platform->m_xkb_keymap);
platform->m_xkb_keymap = xkb_keymap_new_from_string(platform->m_xkb_context, keymap_string, XKB_KEYMAP_FORMAT_TEXT_V1,
XKB_KEYMAP_COMPILE_NO_FLAGS);
munmap(keymap_string, size);
close(fd);
if (platform->m_xkb_state)
xkb_state_unref(platform->m_xkb_state);
platform->m_xkb_state = xkb_state_new(platform->m_xkb_keymap);
platform->InitializeKeyMap();
}
void WaylandNoGUIPlatform::InitializeKeyMap()
{
m_key_map.clear();
Log_VerbosePrintf("Init keymap");
const xkb_keycode_t min_keycode = xkb_keymap_min_keycode(m_xkb_keymap);
const xkb_keycode_t max_keycode = xkb_keymap_max_keycode(m_xkb_keymap);
DebugAssert(max_keycode >= min_keycode);
for (xkb_keycode_t keycode = min_keycode; keycode <= max_keycode; keycode++)
{
const xkb_layout_index_t num_layouts = xkb_keymap_num_layouts_for_key(m_xkb_keymap, keycode);
if (num_layouts == 0)
continue;
// Take the first layout which we find a valid keysym for.
bool found_keysym = false;
for (xkb_layout_index_t layout = 0; layout < num_layouts && !found_keysym; layout++)
{
const xkb_level_index_t num_levels = xkb_keymap_num_levels_for_key(m_xkb_keymap, keycode, layout);
if (num_levels == 0)
continue;
// Take the first level which we find a valid keysym for.
for (xkb_level_index_t level = 0; level < num_levels; level++)
{
const xkb_keysym_t* keysyms;
const int num_syms = xkb_keymap_key_get_syms_by_level(m_xkb_keymap, keycode, layout, level, &keysyms);
if (num_syms == 0)
continue;
// Just take the first. Should only be one in most cases anyway.
const xkb_keysym_t keysym = xkb_keysym_to_upper(keysyms[0]);
char keysym_name_buf[64];
if (xkb_keysym_get_name(keysym, keysym_name_buf, sizeof(keysym_name_buf)) <= 0)
continue;
m_key_map.emplace(static_cast<s32>(keycode), keysym_name_buf);
found_keysym = false;
break;
}
}
}
}
void WaylandNoGUIPlatform::KeyboardEnter(void* data, wl_keyboard* keyboard, uint32_t serial, wl_surface* surface,
wl_array* keys)
{
}
void WaylandNoGUIPlatform::KeyboardLeave(void* data, wl_keyboard* keyboard, uint32_t serial, wl_surface* surface) {}
void WaylandNoGUIPlatform::KeyboardKey(void* data, wl_keyboard* keyboard, uint32_t serial, uint32_t time, uint32_t key,
uint32_t state)
{
const xkb_keycode_t keycode = static_cast<xkb_keycode_t>(key + 8);
const bool pressed = (state == WL_KEYBOARD_KEY_STATE_PRESSED);
NoGUIHost::ProcessPlatformKeyEvent(static_cast<s32>(keycode), pressed);
}
void WaylandNoGUIPlatform::KeyboardModifiers(void* data, wl_keyboard* keyboard, uint32_t serial,
uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
uint32_t group)
{
WaylandNoGUIPlatform* platform = static_cast<WaylandNoGUIPlatform*>(data);
xkb_state_update_mask(platform->m_xkb_state, mods_depressed, mods_latched, mods_locked, 0, 0, group);
}
void WaylandNoGUIPlatform::PointerEnter(void* data, wl_pointer* pointer, uint32_t serial, wl_surface* surface,
wl_fixed_t surface_x, wl_fixed_t surface_y)
{
}
void WaylandNoGUIPlatform::PointerLeave(void* data, wl_pointer* pointer, uint32_t serial, wl_surface* surface) {}
void WaylandNoGUIPlatform::PointerMotion(void* data, wl_pointer* pointer, uint32_t time, wl_fixed_t x, wl_fixed_t y)
{
const float pos_x = static_cast<float>(wl_fixed_to_double(x));
const float pos_y = static_cast<float>(wl_fixed_to_double(y));
NoGUIHost::ProcessPlatformMouseMoveEvent(static_cast<int>(pos_x), static_cast<int>(pos_y));
}
void WaylandNoGUIPlatform::PointerButton(void* data, wl_pointer* pointer, uint32_t serial, uint32_t time,
uint32_t button, uint32_t state)
{
if (button < BTN_MOUSE || (button - BTN_MOUSE) >= 32)
return;
const s32 button_index = (button - BTN_MOUSE);
const bool button_pressed = (state == WL_POINTER_BUTTON_STATE_PRESSED);
NoGUIHost::ProcessPlatformMouseButtonEvent(button_index, button_pressed);
}
void WaylandNoGUIPlatform::PointerAxis(void* data, wl_pointer* pointer, uint32_t time, uint32_t axis, wl_fixed_t value)
{
const float x = (axis == 1) ? std::clamp(static_cast<float>(wl_fixed_to_double(value)), -1.0f, 1.0f) : 0.0f;
const float y = (axis == 0) ? std::clamp(static_cast<float>(-wl_fixed_to_double(value)), -1.0f, 1.0f) : 0.0f;
NoGUIHost::ProcessPlatformMouseWheelEvent(x, y);
}
void WaylandNoGUIPlatform::RunMessageLoop()
{
while (m_message_loop_running.load(std::memory_order_acquire))
{
wl_display_dispatch_pending(m_display);
{
std::unique_lock lock(m_callback_queue_mutex);
while (!m_callback_queue.empty())
{
std::function<void()> func = std::move(m_callback_queue.front());
m_callback_queue.pop_front();
lock.unlock();
func();
lock.lock();
}
}
// TODO: Make this suck less.
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
}
void WaylandNoGUIPlatform::ExecuteInMessageLoop(std::function<void()> func)
{
std::unique_lock lock(m_callback_queue_mutex);
m_callback_queue.push_back(std::move(func));
}
void WaylandNoGUIPlatform::QuitMessageLoop()
{
m_message_loop_running.store(false, std::memory_order_release);
}
void WaylandNoGUIPlatform::SetFullscreen(bool enabled)
{
// how the heck can we do this?
}
bool WaylandNoGUIPlatform::RequestRenderWindowSize(s32 new_window_width, s32 new_window_height)
{
return false;
}
std::unique_ptr<NoGUIPlatform> NoGUIPlatform::CreateWaylandPlatform()
{
std::unique_ptr<WaylandNoGUIPlatform> ret = std::unique_ptr<WaylandNoGUIPlatform>(new WaylandNoGUIPlatform());
if (!ret->Initialize())
return {};
return ret;
}

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#pragma once
#include <atomic>
#include <deque>
#include <mutex>
#include <unordered_map>
#include "nogui_platform.h"
#include "wayland-xdg-decoration-client-protocol.h"
#include "wayland-xdg-shell-client-protocol.h"
#include <wayland-client-protocol.h>
#include <xkbcommon/xkbcommon.h>
class WaylandNoGUIPlatform : public NoGUIPlatform
{
public:
WaylandNoGUIPlatform();
~WaylandNoGUIPlatform();
bool Initialize();
void ReportError(const std::string_view& title, const std::string_view& message) override;
void SetDefaultConfig(SettingsInterface& si) override;
bool CreatePlatformWindow(std::string title) override;
void DestroyPlatformWindow() override;
std::optional<WindowInfo> GetPlatformWindowInfo() override;
void SetPlatformWindowTitle(std::string title) override;
void* GetPlatformWindowHandle() override;
std::optional<u32> ConvertHostKeyboardStringToCode(const std::string_view& str) override;
std::optional<std::string> ConvertHostKeyboardCodeToString(u32 code) override;
void RunMessageLoop() override;
void ExecuteInMessageLoop(std::function<void()> func) override;
void QuitMessageLoop() override;
void SetFullscreen(bool enabled) override;
bool RequestRenderWindowSize(s32 new_window_width, s32 new_window_height) override;
private:
void InitializeKeyMap();
static void GlobalRegistryHandler(void* data, wl_registry* registry, uint32_t id, const char* interface,
uint32_t version);
static void GlobalRegistryRemover(void* data, wl_registry* registry, uint32_t id);
static void XDGWMBasePing(void* data, struct xdg_wm_base* xdg_wm_base, uint32_t serial);
static void XDGSurfaceConfigure(void* data, struct xdg_surface* xdg_surface, uint32_t serial);
static void TopLevelConfigure(void* data, struct xdg_toplevel* xdg_toplevel, int32_t width, int32_t height,
struct wl_array* states);
static void PointerEnter(void* data, wl_pointer* pointer, uint32_t serial, wl_surface* surface, wl_fixed_t surface_x,
wl_fixed_t surface_y);
static void PointerLeave(void* data, wl_pointer* pointer, uint32_t serial, wl_surface* surface);
static void PointerMotion(void* data, wl_pointer* pointer, uint32_t time, wl_fixed_t x, wl_fixed_t y);
static void PointerButton(void* data, wl_pointer* pointer, uint32_t serial, uint32_t time, uint32_t button,
uint32_t state);
static void PointerAxis(void* data, wl_pointer* pointer, uint32_t time, uint32_t axis, wl_fixed_t value);
static void KeyboardKeymap(void* data, wl_keyboard* keyboard, uint32_t format, int32_t fd, uint32_t size);
static void KeyboardEnter(void* data, wl_keyboard* keyboard, uint32_t serial, wl_surface* surface, wl_array* keys);
static void KeyboardLeave(void* data, wl_keyboard* keyboard, uint32_t serial, wl_surface* surface);
static void KeyboardKey(void* data, wl_keyboard* keyboard, uint32_t serial, uint32_t time, uint32_t key,
uint32_t state);
static void KeyboardModifiers(void* data, wl_keyboard* keyboard, uint32_t serial, uint32_t mods_depressed,
uint32_t mods_latched, uint32_t mods_locked, uint32_t group);
static void SeatCapabilities(void* data, wl_seat* seat, uint32_t capabilities);
static void TopLevelClose(void* data, struct xdg_toplevel* xdg_toplevel);
std::atomic_bool m_message_loop_running{false};
// std::atomic_bool m_fullscreen{false};
WindowInfo m_window_info = {};
wl_display* m_display = nullptr;
wl_registry* m_registry = nullptr;
wl_compositor* m_compositor = nullptr;
xdg_wm_base* m_xdg_wm_base = nullptr;
wl_surface* m_surface = nullptr;
wl_region* m_region = nullptr;
xdg_surface* m_xdg_surface = nullptr;
xdg_toplevel* m_xdg_toplevel = nullptr;
zxdg_decoration_manager_v1* m_decoration_manager = nullptr;
zxdg_toplevel_decoration_v1* m_toplevel_decoration = nullptr;
wl_seat* m_wl_seat = nullptr;
wl_keyboard* m_wl_keyboard = nullptr;
wl_pointer* m_wl_pointer = nullptr;
xkb_context* m_xkb_context = nullptr;
xkb_keymap* m_xkb_keymap = nullptr;
xkb_state* m_xkb_state = nullptr;
std::unordered_map<s32, std::string> m_key_map;
std::mutex m_key_map_mutex;
std::deque<std::function<void()>> m_callback_queue;
std::mutex m_callback_queue_mutex;
};

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#include "win32_host_interface.h"
#include "common/log.h"
#include "common/string_util.h"
#include "resource.h"
#include <tchar.h>
Log_SetChannel(Win32HostInterface);
static constexpr LPCWSTR WINDOW_CLASS_NAME = L"DuckStationNoGUI";
Win32HostInterface::Win32HostInterface() = default;
Win32HostInterface::~Win32HostInterface() = default;
std::unique_ptr<NoGUIHostInterface> Win32HostInterface::Create()
{
return std::make_unique<Win32HostInterface>();
}
bool Win32HostInterface::Initialize()
{
if (!RegisterWindowClass())
return false;
if (!NoGUIHostInterface::Initialize())
return false;
return true;
}
void Win32HostInterface::Shutdown()
{
NoGUIHostInterface::Shutdown();
}
bool Win32HostInterface::RegisterWindowClass()
{
WNDCLASSEXW wc = {};
wc.cbSize = sizeof(WNDCLASSEXW);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = GetModuleHandle(nullptr);
wc.hIcon = LoadIconA(NULL, (LPCSTR)IDI_ICON1);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = WINDOW_CLASS_NAME;
wc.hIconSm = LoadIconA(NULL, (LPCSTR)IDI_ICON1);
if (!RegisterClassExW(&wc))
{
MessageBoxA(nullptr, "Window registration failed.", "Error", MB_ICONERROR | MB_OK);
return false;
}
return true;
}
void Win32HostInterface::SetMouseMode(bool relative, bool hide_cursor) {}
bool Win32HostInterface::CreatePlatformWindow()
{
m_hwnd = CreateWindowExW(WS_EX_CLIENTEDGE, WINDOW_CLASS_NAME, L"DuckStation", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
CW_USEDEFAULT, DEFAULT_WINDOW_WIDTH, DEFAULT_WINDOW_HEIGHT, nullptr, nullptr,
GetModuleHandleA(nullptr), this);
if (!m_hwnd)
{
MessageBoxA(nullptr, "CreateWindowEx failed.", "Error", MB_ICONERROR | MB_OK);
return false;
}
ShowWindow(m_hwnd, SW_SHOW);
UpdateWindow(m_hwnd);
ProcessWin32Events();
return true;
}
void Win32HostInterface::DestroyPlatformWindow()
{
if (m_hwnd)
{
DestroyWindow(m_hwnd);
m_hwnd = {};
}
}
std::optional<WindowInfo> Win32HostInterface::GetPlatformWindowInfo()
{
RECT rc = {};
GetClientRect(m_hwnd, &rc);
WindowInfo wi;
wi.window_handle = static_cast<void*>(m_hwnd);
wi.type = WindowInfo::Type::Win32;
wi.surface_width = static_cast<u32>(rc.right - rc.left);
wi.surface_height = static_cast<u32>(rc.bottom - rc.top);
// wi.surface_format = WindowInfo::SurfaceFormat::Auto;
return wi;
}
void Win32HostInterface::PollAndUpdate()
{
ProcessWin32Events();
NoGUIHostInterface::PollAndUpdate();
}
void Win32HostInterface::ProcessWin32Events()
{
MSG msg;
while (PeekMessage(&msg, m_hwnd, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
LRESULT Win32HostInterface::WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
Win32HostInterface* hi = static_cast<Win32HostInterface*>(g_host_interface);
switch (msg)
{
case WM_SIZE:
{
const u32 width = LOWORD(lParam);
const u32 height = HIWORD(lParam);
if (hi->m_display)
hi->m_display->ResizeRenderWindow(static_cast<s32>(width), static_cast<s32>(height));
}
break;
case WM_CLOSE:
hi->m_quit_request = true;
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
std::optional<Win32HostInterface::HostKeyCode> Win32HostInterface::GetHostKeyCode(const std::string_view key_code) const
{
std::optional<int> kc; // = EvDevKeyNames::GetKeyCodeForName(key_code);
if (!kc.has_value())
return std::nullopt;
return static_cast<HostKeyCode>(kc.value());
}

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#pragma once
#include "common/windows_headers.h"
#include "nogui_host_interface.h"
#include <memory>
#include <vector>
class Win32HostInterface final : public NoGUIHostInterface
{
public:
Win32HostInterface();
~Win32HostInterface();
bool Initialize();
void Shutdown();
static std::unique_ptr<NoGUIHostInterface> Create();
protected:
void SetMouseMode(bool relative, bool hide_cursor) override;
bool CreatePlatformWindow() override;
void DestroyPlatformWindow() override;
std::optional<WindowInfo> GetPlatformWindowInfo() override;
std::optional<HostKeyCode> GetHostKeyCode(const std::string_view key_code) const override;
void PollAndUpdate() override;
private:
static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
bool RegisterWindowClass();
void ProcessWin32Events();
HWND m_hwnd{};
};

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#pragma once
#include "common/types.h"
#include "common/windows_headers.h"
#include <array>
#include <cstring>
#include <map>
#include <optional>
#include <string_view>
namespace Win32KeyNames {
static const std::map<int, const char*> s_win32_key_names = {
{VK_RETURN, "Return"},
{VK_ESCAPE, "Escape"},
{VK_BACK, "Backspace"},
{VK_TAB, "Tab"},
{VK_SPACE, "Space"},
{0xDE, "Apostrophe"},
{0xBC, "Comma"},
{0xBD, "Minus"},
{0xBE, "Period"},
{0xBF, "Slash"},
{'0', "0"},
{'1', "1"},
{'2', "2"},
{'3', "3"},
{'4', "4"},
{'5', "5"},
{'6', "6"},
{'7', "7"},
{'8', "8"},
{'9', "9"},
{0xBA, "Semcolon"},
{0xBB, "Equal"},
{0xDB, "BracketLeft"},
{0xDC, "Backslash"},
{0xDD, "BracketRight"},
{0xC0, "QuoteLeft"},
{'A', "A"},
{'B', "B"},
{'C', "C"},
{'D', "D"},
{'E', "E"},
{'F', "F"},
{'G', "G"},
{'H', "H"},
{'I', "I"},
{'J', "J"},
{'K', "K"},
{'L', "L"},
{'M', "M"},
{'N', "N"},
{'O', "O"},
{'P', "P"},
{'Q', "Q"},
{'R', "R"},
{'S', "S"},
{'T', "T"},
{'U', "U"},
{'V', "V"},
{'W', "W"},
{'X', "X"},
{'Y', "Y"},
{'Z', "Z"},
{VK_CAPITAL, "CapsLock"},
{VK_F1, "F1"},
{VK_F2, "F2"},
{VK_F3, "F3"},
{VK_F4, "F4"},
{VK_F5, "F5"},
{VK_F6, "F6"},
{VK_F7, "F7"},
{VK_F8, "F8"},
{VK_F9, "F9"},
{VK_F10, "F10"},
{VK_F11, "F11"},
{VK_F12, "F12"},
{VK_PRINT, "Print"},
{VK_SCROLL, "ScrollLock"},
{VK_PAUSE, "Pause"},
{VK_INSERT, "Insert"},
{VK_HOME, "Home"},
{VK_PRIOR, "PageUp"},
{VK_DELETE, "Delete"},
{VK_END, "End"},
{VK_NEXT, "PageDown"},
{VK_RIGHT, "Right"},
{VK_LEFT, "Left"},
{VK_DOWN, "Down"},
{VK_UP, "Up"},
{VK_NUMLOCK, "NumLock"},
{VK_DIVIDE, "KeypadDivide"},
{VK_MULTIPLY, "KeypadMultiply"},
{VK_SUBTRACT, "KeypadMinus"},
{VK_ADD, "KeypadPlus"},
//{VK_KP_ENTER, "KeypadReturn"},
{VK_NUMPAD1, "Keypad1"},
{VK_NUMPAD2, "Keypad2"},
{VK_NUMPAD3, "Keypad3"},
{VK_NUMPAD4, "Keypad4"},
{VK_NUMPAD5, "Keypad5"},
{VK_NUMPAD6, "Keypad6"},
{VK_NUMPAD7, "Keypad7"},
{VK_NUMPAD8, "Keypad8"},
{VK_NUMPAD9, "Keypad9"},
{VK_NUMPAD0, "Keypad0"},
{VK_SEPARATOR, "KeypadPeriod"},
{VK_F13, "F13"},
{VK_F14, "F14"},
{VK_F15, "F15"},
{VK_F16, "F16"},
{VK_F17, "F17"},
{VK_F18, "F18"},
{VK_F19, "F19"},
{VK_F20, "F20"},
{VK_F21, "F21"},
{VK_F22, "F22"},
{VK_F23, "F23"},
{VK_F24, "F24"},
{VK_EXECUTE, "Execute"},
{VK_HELP, "Help"},
{VK_MENU, "Menu"},
{VK_SELECT, "Select"},
{VK_MEDIA_STOP, "Stop"},
{VK_VOLUME_UP, "VolumeUp"},
{VK_VOLUME_DOWN, "VolumeDown"},
{VK_CANCEL, "Cancel"},
{VK_CLEAR, "Clear"},
{VK_PRIOR, "Prior"},
{VK_SEPARATOR, "Separator"},
{VK_CRSEL, "CrSel"},
{VK_EXSEL, "ExSel"},
{VK_LCONTROL, "LeftControl"},
{VK_LSHIFT, "LeftShift"},
{VK_LMENU, "LeftAlt"},
{VK_LWIN, "Super_L"},
{VK_RCONTROL, "RightCtrl"},
{VK_RSHIFT, "RightShift"},
{VK_RMENU, "RightAlt"},
{VK_RWIN, "RightSuper"},
{VK_MEDIA_NEXT_TRACK, "MediaNext"},
{VK_MEDIA_PREV_TRACK, "MediaPrevious"},
{VK_MEDIA_STOP, "MediaStop"},
{VK_MEDIA_PLAY_PAUSE, "MediaPlay"},
{VK_VOLUME_MUTE, "VolumeMute"},
{VK_SLEEP, "Sleep"},
};
static const char* GetKeyName(DWORD key)
{
const auto it = s_win32_key_names.find(key);
return it == s_win32_key_names.end() ? nullptr : it->second;
}
static std::optional<DWORD> GetKeyCodeForName(const std::string_view& key_name)
{
for (const auto& it : s_win32_key_names)
{
if (key_name == it.second)
return it.first;
}
return std::nullopt;
}
} // namespace Win32KeyNames

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#include "win32_nogui_platform.h"
#include "common/log.h"
#include "common/string_util.h"
#include "common/threading.h"
#include "core/host.h"
#include "core/host_settings.h"
#include "nogui_host.h"
#include "resource.h"
#include "win32_key_names.h"
#include <tchar.h>
Log_SetChannel(Win32HostInterface);
static constexpr LPCWSTR WINDOW_CLASS_NAME = L"DuckStationNoGUI";
static constexpr DWORD WINDOWED_STYLE = WS_OVERLAPPEDWINDOW | WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU | WS_SIZEBOX;
static constexpr DWORD WINDOWED_EXSTYLE = WS_EX_DLGMODALFRAME | WS_EX_CLIENTEDGE | WS_EX_STATICEDGE;
static constexpr DWORD FULLSCREEN_STYLE = WS_POPUP | WS_MINIMIZEBOX;
static float GetWindowScale(HWND hwnd)
{
static UINT(WINAPI * get_dpi_for_window)(HWND hwnd);
if (!get_dpi_for_window)
{
HMODULE mod = GetModuleHandleW(L"user32.dll");
if (mod)
get_dpi_for_window = reinterpret_cast<decltype(get_dpi_for_window)>(GetProcAddress(mod, "GetDpiForWindow"));
}
if (!get_dpi_for_window)
return 1.0f;
// less than 100% scaling seems unlikely.
const UINT dpi = hwnd ? get_dpi_for_window(hwnd) : 96;
return (dpi > 0) ? std::max(1.0f, static_cast<float>(dpi) / 96.0f) : 1.0f;
}
Win32NoGUIPlatform::Win32NoGUIPlatform()
{
m_message_loop_running.store(true, std::memory_order_release);
}
Win32NoGUIPlatform::~Win32NoGUIPlatform()
{
UnregisterClassW(WINDOW_CLASS_NAME, GetModuleHandle(nullptr));
}
bool Win32NoGUIPlatform::Initialize()
{
WNDCLASSEXW wc = {};
wc.cbSize = sizeof(WNDCLASSEXW);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = GetModuleHandle(nullptr);
wc.hIcon = LoadIconA(wc.hInstance, (LPCSTR)IDI_ICON1);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = WINDOW_CLASS_NAME;
wc.hIconSm = LoadIconA(wc.hInstance, (LPCSTR)IDI_ICON1);
if (!RegisterClassExW(&wc))
{
MessageBoxW(nullptr, L"Window registration failed.", L"Error", MB_ICONERROR | MB_OK);
return false;
}
m_window_thread_id = GetCurrentThreadId();
return true;
}
void Win32NoGUIPlatform::ReportError(const std::string_view& title, const std::string_view& message)
{
const std::wstring title_copy(StringUtil::UTF8StringToWideString(title));
const std::wstring message_copy(StringUtil::UTF8StringToWideString(message));
MessageBoxW(m_hwnd, message_copy.c_str(), title_copy.c_str(), MB_ICONERROR | MB_OK);
}
void Win32NoGUIPlatform::SetDefaultConfig(SettingsInterface& si)
{
// noop
}
bool Win32NoGUIPlatform::CreatePlatformWindow(std::string title)
{
s32 window_x, window_y, window_width, window_height;
if (!NoGUIHost::GetSavedPlatformWindowGeometry(&window_x, &window_y, &window_width, &window_height))
{
window_x = CW_USEDEFAULT;
window_y = CW_USEDEFAULT;
window_width = DEFAULT_WINDOW_WIDTH;
window_height = DEFAULT_WINDOW_HEIGHT;
}
HWND hwnd = CreateWindowExW(WS_EX_CLIENTEDGE, WINDOW_CLASS_NAME, StringUtil::UTF8StringToWideString(title).c_str(),
WINDOWED_STYLE, window_x, window_y, window_width, window_height, nullptr, nullptr,
GetModuleHandleW(nullptr), this);
if (!hwnd)
{
MessageBoxW(nullptr, L"CreateWindowEx failed.", L"Error", MB_ICONERROR | MB_OK);
return false;
}
// deliberately not stored to m_hwnd yet, because otherwise the msg handlers will run
ShowWindow(hwnd, SW_SHOW);
UpdateWindow(hwnd);
m_hwnd = hwnd;
m_window_scale = GetWindowScale(m_hwnd);
m_last_mouse_buttons = 0;
if (m_fullscreen.load(std::memory_order_acquire))
SetFullscreen(true);
return true;
}
void Win32NoGUIPlatform::DestroyPlatformWindow()
{
if (!m_hwnd)
return;
RECT rc;
if (!m_fullscreen.load(std::memory_order_acquire) && GetWindowRect(m_hwnd, &rc))
{
NoGUIHost::SavePlatformWindowGeometry(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
}
DestroyWindow(m_hwnd);
m_hwnd = {};
}
std::optional<WindowInfo> Win32NoGUIPlatform::GetPlatformWindowInfo()
{
if (!m_hwnd)
return std::nullopt;
RECT rc = {};
GetWindowRect(m_hwnd, &rc);
WindowInfo wi;
wi.surface_width = static_cast<u32>(rc.right - rc.left);
wi.surface_height = static_cast<u32>(rc.bottom - rc.top);
wi.surface_scale = m_window_scale;
wi.type = WindowInfo::Type::Win32;
wi.window_handle = m_hwnd;
return wi;
}
void Win32NoGUIPlatform::SetPlatformWindowTitle(std::string title)
{
if (!m_hwnd)
return;
SetWindowTextW(m_hwnd, StringUtil::UTF8StringToWideString(title).c_str());
}
void* Win32NoGUIPlatform::GetPlatformWindowHandle()
{
return m_hwnd;
}
std::optional<u32> Win32NoGUIPlatform::ConvertHostKeyboardStringToCode(const std::string_view& str)
{
std::optional<DWORD> converted(Win32KeyNames::GetKeyCodeForName(str));
return converted.has_value() ? std::optional<u32>(static_cast<u32>(converted.value())) : std::nullopt;
}
std::optional<std::string> Win32NoGUIPlatform::ConvertHostKeyboardCodeToString(u32 code)
{
const char* converted = Win32KeyNames::GetKeyName(code);
return converted ? std::optional<std::string>(converted) : std::nullopt;
}
void Win32NoGUIPlatform::RunMessageLoop()
{
while (m_message_loop_running.load(std::memory_order_acquire))
{
MSG msg;
if (GetMessageW(&msg, NULL, 0, 0))
{
// handle self messages (when we don't have a window yet)
if (msg.hwnd == NULL && msg.message >= WM_FIRST && msg.message <= WM_LAST)
{
WndProc(NULL, msg.message, msg.wParam, msg.lParam);
}
else
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
}
}
void Win32NoGUIPlatform::ExecuteInMessageLoop(std::function<void()> func)
{
std::function<void()>* pfunc = new std::function<void()>(std::move(func));
if (m_hwnd)
PostMessageW(m_hwnd, WM_FUNC, 0, reinterpret_cast<LPARAM>(pfunc));
else
PostThreadMessageW(m_window_thread_id, WM_FUNC, 0, reinterpret_cast<LPARAM>(pfunc));
}
void Win32NoGUIPlatform::QuitMessageLoop()
{
m_message_loop_running.store(false, std::memory_order_release);
PostThreadMessageW(m_window_thread_id, WM_WAKEUP, 0, 0);
}
void Win32NoGUIPlatform::SetFullscreen(bool enabled)
{
if (!m_hwnd || m_fullscreen.load(std::memory_order_acquire) == enabled)
return;
LONG style = GetWindowLong(m_hwnd, GWL_STYLE);
LONG exstyle = GetWindowLong(m_hwnd, GWL_EXSTYLE);
RECT rc;
if (enabled)
{
HMONITOR monitor = MonitorFromWindow(m_hwnd, MONITOR_DEFAULTTONEAREST);
if (!monitor)
return;
MONITORINFO mi = {sizeof(MONITORINFO)};
if (!GetMonitorInfo(monitor, &mi) || !GetWindowRect(m_hwnd, &m_windowed_rect))
return;
style = (style & ~WINDOWED_STYLE) | FULLSCREEN_STYLE;
exstyle = (style & ~WINDOWED_EXSTYLE);
rc = mi.rcMonitor;
}
else
{
style = (style & ~FULLSCREEN_STYLE) | WINDOWED_STYLE;
exstyle = exstyle | WINDOWED_EXSTYLE;
rc = m_windowed_rect;
}
SetWindowLongPtrW(m_hwnd, GWL_STYLE, style);
SetWindowLongPtrW(m_hwnd, GWL_EXSTYLE, exstyle);
SetWindowPos(m_hwnd, NULL, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, SWP_SHOWWINDOW);
m_fullscreen.store(enabled, std::memory_order_release);
}
bool Win32NoGUIPlatform::RequestRenderWindowSize(s32 new_window_width, s32 new_window_height)
{
RECT rc;
if (!m_hwnd || m_fullscreen.load(std::memory_order_acquire) || !GetWindowRect(m_hwnd, &rc))
{
return false;
}
return SetWindowPos(m_hwnd, NULL, rc.left, rc.top, new_window_width, new_window_height, SWP_SHOWWINDOW);
}
LRESULT CALLBACK Win32NoGUIPlatform::WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
Win32NoGUIPlatform* platform = static_cast<Win32NoGUIPlatform*>(g_nogui_window.get());
if (hwnd != platform->m_hwnd && msg != WM_FUNC)
return DefWindowProcW(hwnd, msg, wParam, lParam);
switch (msg)
{
case WM_SIZE:
{
const u32 width = LOWORD(lParam);
const u32 height = HIWORD(lParam);
NoGUIHost::ProcessPlatformWindowResize(width, height, platform->m_window_scale);
}
break;
case WM_KEYDOWN:
case WM_KEYUP:
{
const bool pressed = (msg == WM_KEYDOWN);
NoGUIHost::ProcessPlatformKeyEvent(static_cast<s32>(wParam), pressed);
}
break;
case WM_MOUSEMOVE:
{
const float x = static_cast<float>(static_cast<s16>(LOWORD(lParam)));
const float y = static_cast<float>(static_cast<s16>(HIWORD(lParam)));
NoGUIHost::ProcessPlatformMouseMoveEvent(x, y);
}
break;
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
case WM_XBUTTONDOWN:
case WM_XBUTTONUP:
{
const DWORD buttons = static_cast<DWORD>(wParam);
const DWORD changed = platform->m_last_mouse_buttons ^ buttons;
platform->m_last_mouse_buttons = buttons;
static constexpr DWORD masks[] = {MK_LBUTTON, MK_RBUTTON, MK_MBUTTON, MK_XBUTTON1, MK_XBUTTON2};
for (u32 i = 0; i < std::size(masks); i++)
{
if (changed & masks[i])
NoGUIHost::ProcessPlatformMouseButtonEvent(i, (buttons & masks[i]) != 0);
}
}
break;
case WM_MOUSEWHEEL:
case WM_MOUSEHWHEEL:
{
const float d =
std::clamp(static_cast<float>(static_cast<s16>(HIWORD(wParam))) / static_cast<float>(WHEEL_DELTA), -1.0f, 1.0f);
NoGUIHost::ProcessPlatformMouseWheelEvent((msg == WM_MOUSEHWHEEL) ? d : 0.0f, (msg == WM_MOUSEWHEEL) ? d : 0.0f);
}
break;
case WM_ACTIVATEAPP:
{
if (wParam)
NoGUIHost::PlatformWindowFocusGained();
else
NoGUIHost::PlatformWindowFocusLost();
}
break;
case WM_CLOSE:
case WM_QUIT:
{
Host::RunOnCPUThread([]() { Host::RequestExit(g_settings.save_state_on_exit); });
}
break;
case WM_FUNC:
{
std::function<void()>* pfunc = reinterpret_cast<std::function<void()>*>(lParam);
if (pfunc)
{
(*pfunc)();
delete pfunc;
}
}
break;
case WM_WAKEUP:
break;
default:
return DefWindowProcW(hwnd, msg, wParam, lParam);
}
return 0;
}
std::unique_ptr<NoGUIPlatform> NoGUIPlatform::CreateWin32Platform()
{
std::unique_ptr<Win32NoGUIPlatform> ret(new Win32NoGUIPlatform());
if (!ret->Initialize())
return {};
return ret;
}

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src/duckstation-nogui/win32_nogui_platform.h Normal file
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#pragma once
#include <atomic>
#include "common/windows_headers.h"
#include "nogui_platform.h"
class Win32NoGUIPlatform : public NoGUIPlatform
{
public:
Win32NoGUIPlatform();
~Win32NoGUIPlatform();
bool Initialize();
void ReportError(const std::string_view& title, const std::string_view& message) override;
void SetDefaultConfig(SettingsInterface& si) override;
bool CreatePlatformWindow(std::string title) override;
void DestroyPlatformWindow() override;
std::optional<WindowInfo> GetPlatformWindowInfo() override;
void SetPlatformWindowTitle(std::string title) override;
void* GetPlatformWindowHandle() override;
std::optional<u32> ConvertHostKeyboardStringToCode(const std::string_view& str) override;
std::optional<std::string> ConvertHostKeyboardCodeToString(u32 code) override;
void RunMessageLoop() override;
void ExecuteInMessageLoop(std::function<void()> func) override;
void QuitMessageLoop() override;
void SetFullscreen(bool enabled) override;
bool RequestRenderWindowSize(s32 new_window_width, s32 new_window_height) override;
private:
enum : u32
{
WM_FIRST = WM_USER + 1337,
WM_FUNC = WM_FIRST,
WM_WAKEUP,
WM_LAST = WM_WAKEUP
};
static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
HWND m_hwnd{};
DWORD m_window_thread_id = 0;
RECT m_windowed_rect = {};
float m_window_scale = 1.0f;
std::atomic_bool m_message_loop_running{false};
std::atomic_bool m_fullscreen{false};
DWORD m_last_mouse_buttons = 0;
};

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#include "x11_nogui_platform.h"
Log_SetChannel(X11NoGUIPlatform);
X11NoGUIPlatform::X11NoGUIPlatform()
{
m_message_loop_running.store(true, std::memory_order_release);
}
X11NoGUIPlatform::~X11NoGUIPlatform()
{
if (m_display)
{
// Segfaults somewhere in an unloaded module on Ubuntu 22.04 :S
// I really don't care enough about X to figure out why. The application is shutting down
// anyway, so a leak here isn't a big deal.
// XCloseDisplay(m_display);
}
}
bool X11NoGUIPlatform::Initialize()
{
const int res = XInitThreads();
if (res != 0)
Log_WarningPrintf("XInitThreads() returned %d, things might not be stable.", res);
m_display = XOpenDisplay(nullptr);
if (!m_display)
{
Log_ErrorPrint("Failed to connect to X11 display.");
return false;
}
return true;
}
void X11NoGUIPlatform::ReportError(const std::string_view& title, const std::string_view& message)
{
const std::string title_copy(title);
const std::string message_copy(message);
Log_ErrorPrintf("%s: %s", title_copy.c_str(), message_copy.c_str());
}
void X11NoGUIPlatform::SetDefaultConfig(SettingsInterface& si) {}
bool X11NoGUIPlatform::CreatePlatformWindow(std::string title)
{
s32 window_x, window_y, window_width, window_height;
bool has_window_pos = NoGUIHost::GetSavedPlatformWindowGeometry(&window_x, &window_y, &window_width, &window_height);
if (!has_window_pos)
{
window_x = 0;
window_y = 0;
window_width = DEFAULT_WINDOW_WIDTH;
window_height = DEFAULT_WINDOW_HEIGHT;
}
XDisplayLocker locker(m_display);
{
m_window = XCreateSimpleWindow(m_display, DefaultRootWindow(m_display), window_x, window_y, window_width,
window_height, 0, 0, BlackPixel(m_display, 0));
if (!m_window)
{
Log_ErrorPrintf("Failed to create X window");
return false;
}
XSelectInput(m_display, m_window,
StructureNotifyMask | KeyPressMask | KeyReleaseMask | FocusChangeMask | PointerMotionMask |
ButtonPressMask | ButtonReleaseMask);
XStoreName(m_display, m_window, title.c_str());
// Enable close notifications.
Atom wmProtocols[1];
wmProtocols[0] = XInternAtom(m_display, "WM_DELETE_WINDOW", True);
XSetWMProtocols(m_display, m_window, wmProtocols, 1);
m_window_info.surface_width = static_cast<u32>(window_width);
m_window_info.surface_height = static_cast<u32>(window_height);
m_window_info.surface_scale = 1.0f;
m_window_info.type = WindowInfo::Type::X11;
m_window_info.window_handle = reinterpret_cast<void*>(m_window);
m_window_info.display_connection = m_display;
XMapRaised(m_display, m_window);
XFlush(m_display);
XSync(m_display, True);
InitializeKeyMap();
}
ProcessXEvents();
return true;
}
void X11NoGUIPlatform::DestroyPlatformWindow()
{
m_window_info = {};
if (m_window)
{
XDisplayLocker locker(m_display);
SaveWindowGeometry();
XUnmapWindow(m_display, m_window);
XDestroyWindow(m_display, m_window);
m_window = {};
}
}
std::optional<WindowInfo> X11NoGUIPlatform::GetPlatformWindowInfo()
{
if (m_window_info.type == WindowInfo::Type::X11)
return m_window_info;
else
return std::nullopt;
}
void X11NoGUIPlatform::SetPlatformWindowTitle(std::string title)
{
ExecuteInMessageLoop([this, title = std::move(title)]() {
if (m_window)
{
XDisplayLocker locker(m_display);
XStoreName(m_display, m_window, title.c_str());
}
});
}
void* X11NoGUIPlatform::GetPlatformWindowHandle()
{
return reinterpret_cast<void*>(m_window);
}
void X11NoGUIPlatform::InitializeKeyMap()
{
int min_keycode = 0, max_keycode = -1;
XDisplayKeycodes(m_display, &min_keycode, &max_keycode);
for (int keycode = 0; keycode <= max_keycode; keycode++)
{
KeySym keysym = NoSymbol;
for (int i = 0; i < 8 && keysym == NoSymbol; i++)
keysym = XKeycodeToKeysym(m_display, static_cast<KeyCode>(keycode), i);
if (keysym == NoSymbol)
continue;
KeySym upper_sym;
XConvertCase(keysym, &keysym, &upper_sym);
// Would this fail?
const char* keyname = XKeysymToString(keysym);
if (!keyname)
continue;
m_key_map.emplace(static_cast<s32>(keysym), keyname);
}
}
std::optional<u32> X11NoGUIPlatform::ConvertHostKeyboardStringToCode(const std::string_view& str)
{
for (const auto& it : m_key_map)
{
if (StringUtil::Strncasecmp(it.second.c_str(), str.data(), str.length()) == 0)
return it.first;
}
return std::nullopt;
}
std::optional<std::string> X11NoGUIPlatform::ConvertHostKeyboardCodeToString(u32 code)
{
const auto it = m_key_map.find(static_cast<s32>(code));
return (it != m_key_map.end()) ? std::optional<std::string>(it->second) : std::nullopt;
}
void X11NoGUIPlatform::ProcessXEvents()
{
XLockDisplay(m_display);
for (int num_events = XPending(m_display); num_events > 0; num_events--)
{
XEvent event;
XNextEvent(m_display, &event);
switch (event.type)
{
case KeyPress:
case KeyRelease:
{
const KeySym sym = XLookupKeysym(&event.xkey, 0);
if (sym != NoSymbol)
NoGUIHost::ProcessPlatformKeyEvent(static_cast<s32>(sym), (event.type == KeyPress));
}
break;
case ButtonPress:
case ButtonRelease:
{
if (event.xbutton.button >= Button1)
{
NoGUIHost::ProcessPlatformMouseButtonEvent(static_cast<s32>(event.xbutton.button - Button1),
event.type == ButtonPress);
}
}
break;
case MotionNotify:
{
NoGUIHost::ProcessPlatformMouseMoveEvent(static_cast<float>(event.xmotion.x),
static_cast<float>(event.xmotion.y));
}
break;
case ConfigureNotify:
{
const s32 width = std::max<s32>(static_cast<s32>(event.xconfigure.width), 1);
const s32 height = std::max<s32>(static_cast<s32>(event.xconfigure.height), 1);
NoGUIHost::ProcessPlatformWindowResize(width, height, m_window_info.surface_scale);
}
break;
case FocusIn:
{
NoGUIHost::PlatformWindowFocusGained();
}
break;
case FocusOut:
{
NoGUIHost::PlatformWindowFocusGained();
}
break;
case ClientMessage:
{
if (static_cast<Atom>(event.xclient.data.l[0]) == XInternAtom(m_display, "WM_DELETE_WINDOW", False))
Host::RequestExit(true);
}
break;
default:
break;
}
}
XUnlockDisplay(m_display);
}
void X11NoGUIPlatform::RunMessageLoop()
{
while (m_message_loop_running.load(std::memory_order_acquire))
{
ProcessXEvents();
{
std::unique_lock lock(m_callback_queue_mutex);
while (!m_callback_queue.empty())
{
std::function<void()> func = std::move(m_callback_queue.front());
m_callback_queue.pop_front();
lock.unlock();
func();
lock.lock();
}
}
// TODO: Make this suck less.
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
}
void X11NoGUIPlatform::ExecuteInMessageLoop(std::function<void()> func)
{
std::unique_lock lock(m_callback_queue_mutex);
m_callback_queue.push_back(std::move(func));
}
void X11NoGUIPlatform::QuitMessageLoop()
{
m_message_loop_running.store(false, std::memory_order_release);
}
void X11NoGUIPlatform::SetFullscreen(bool enabled)
{
if (!m_window || m_fullscreen.load(std::memory_order_acquire) == enabled)
return;
XDisplayLocker locker(m_display);
XEvent event;
event.xclient.type = ClientMessage;
event.xclient.message_type = XInternAtom(m_display, "_NET_WM_STATE", False);
event.xclient.window = m_window;
event.xclient.format = 32;
event.xclient.data.l[0] = _NET_WM_STATE_TOGGLE;
event.xclient.data.l[1] = XInternAtom(m_display, "_NET_WM_STATE_FULLSCREEN", False);
if (!XSendEvent(m_display, DefaultRootWindow(m_display), False, SubstructureRedirectMask | SubstructureNotifyMask,
&event))
{
Log_ErrorPrintf("Failed to switch to %s", enabled ? "Fullscreen" : "windowed");
return;
}
m_fullscreen.store(enabled, std::memory_order_release);
}
void X11NoGUIPlatform::SaveWindowGeometry()
{
int x = 0, y = 0;
unsigned int width = 0, height = 0;
unsigned int dummy_border, dummy_depth;
Window dummy_window;
XGetGeometry(m_display, m_window, &dummy_window, &x, &y, &width, &height, &dummy_border, &dummy_depth);
if (width > 0 && height > 0)
NoGUIHost::SavePlatformWindowGeometry(x, y, width, height);
}
bool X11NoGUIPlatform::RequestRenderWindowSize(s32 new_window_width, s32 new_window_height)
{
return false;
}
std::unique_ptr<NoGUIPlatform> NoGUIPlatform::CreateX11Platform()
{
std::unique_ptr<X11NoGUIPlatform> ret = std::unique_ptr<X11NoGUIPlatform>(new X11NoGUIPlatform());
if (!ret->Initialize())
return {};
return ret;
}

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#pragma once
#include "nogui_platform.h"
// Why do we have all these here instead of in the source?
// Because X11 is a giant turd and #defines commonly used words.
#include "common/assert.h"
#include "common/log.h"
#include "common/string_util.h"
#include "common/threading.h"
#include "core/host.h"
#include "core/host_settings.h"
#include "nogui_host.h"
#include "nogui_platform.h"
#include <atomic>
#include <deque>
#include <linux/input-event-codes.h>
#include <mutex>
#include <sys/mman.h>
#include <thread>
#include <unistd.h>
#include <unordered_map>
// Include X stuff *last*.
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#define _NET_WM_STATE_REMOVE 0
#define _NET_WM_STATE_ADD 1
#define _NET_WM_STATE_TOGGLE 2
class X11NoGUIPlatform : public NoGUIPlatform
{
public:
X11NoGUIPlatform();
~X11NoGUIPlatform();
bool Initialize();
void ReportError(const std::string_view& title, const std::string_view& message) override;
void SetDefaultConfig(SettingsInterface& si) override;
bool CreatePlatformWindow(std::string title) override;
void DestroyPlatformWindow() override;
std::optional<WindowInfo> GetPlatformWindowInfo() override;
void SetPlatformWindowTitle(std::string title) override;
void* GetPlatformWindowHandle() override;
std::optional<u32> ConvertHostKeyboardStringToCode(const std::string_view& str) override;
std::optional<std::string> ConvertHostKeyboardCodeToString(u32 code) override;
void RunMessageLoop() override;
void ExecuteInMessageLoop(std::function<void()> func) override;
void QuitMessageLoop() override;
void SetFullscreen(bool enabled) override;
bool RequestRenderWindowSize(s32 new_window_width, s32 new_window_height) override;
private:
void InitializeKeyMap();
void SaveWindowGeometry();
void ProcessXEvents();
std::atomic_bool m_message_loop_running{false};
std::atomic_bool m_fullscreen{false};
WindowInfo m_window_info = {};
Display* m_display = nullptr;
Window m_window = {};
std::unordered_map<s32, std::string> m_key_map;
std::deque<std::function<void()>> m_callback_queue;
std::mutex m_callback_queue_mutex;
};
class XDisplayLocker
{
public:
XDisplayLocker(Display* dpy) : m_display(dpy) { XLockDisplay(m_display); }
~XDisplayLocker() { XUnlockDisplay(m_display); }
private:
Display* m_display;
};