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Implement SDL platform, windowing and input handling

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This commit is contained in:
Ari Vuollet
2024-07-25 21:39:21 +03:00
committed by Ari Vuollet
parent 05109ca74f
commit 9fe3e92dd6
131 changed files with 67508 additions and 97 deletions
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3
Source/Engine/Engine/Engine.cpp
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@@ -95,13 +95,14 @@ int32 Engine::Main(const Char* cmdLine)
CommandLine::Options.Std = true;
#endif
Platform::SetHighDpiAwarenessEnabled(!CommandLine::Options.LowDPI.IsTrue());
if (Platform::Init())
{
Platform::Fatal(TEXT("Cannot init platform."));
return -1;
}
Platform::SetHighDpiAwarenessEnabled(!CommandLine::Options.LowDPI.IsTrue());
Time::StartupTime = DateTime::Now();
Globals::StartupFolder = Globals::BinariesFolder = Platform::GetMainDirectory();
#if USE_EDITOR

22
Source/Engine/Engine/Screen.cpp
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@@ -6,6 +6,8 @@
#include "Engine/Core/Types/Nullable.h"
#include "Engine/Platform/Window.h"
#include "Engine/Engine/EngineService.h"
#include "Engine/Input/Input.h"
#include "Engine/Input/Mouse.h"
#if USE_EDITOR
#include "Editor/Editor.h"
#include "Editor/Managed/ManagedEditor.h"
@@ -13,10 +15,14 @@
#include "Engine/Engine/Engine.h"
#endif
Nullable<bool> Fullscreen;
Nullable<Float2> Size;
bool CursorVisible = true;
CursorLockMode CursorLock = CursorLockMode::None;
namespace
{
Nullable<bool> Fullscreen;
Nullable<Float2> Size;
bool CursorVisible = true;
CursorLockMode CursorLock = CursorLockMode::None;
bool LastGameViewportFocus = false;
}
class ScreenService : public EngineService
{
@@ -104,6 +110,8 @@ void Screen::SetCursorVisible(const bool value)
{
win->SetCursor(value ? CursorType::Default : CursorType::Hidden);
}
else if (win)
win->SetCursor(CursorType::Default);
CursorVisible = value;
}
@@ -190,7 +198,11 @@ void ScreenService::Update()
{
#if USE_EDITOR
// Sync current cursor state in Editor (eg. when viewport focus can change)
Screen::SetCursorVisible(CursorVisible);
const auto win = Editor::Managed->GetGameWindow(true);
bool gameViewportFocus = win && Engine::HasGameViewportFocus();
if (gameViewportFocus != LastGameViewportFocus)
Screen::SetCursorVisible(CursorVisible);
LastGameViewportFocus = gameViewportFocus;
#endif
}

5
Source/Engine/GraphicsDevice/Vulkan/Android/AndroidVulkanPlatform.cpp
View File

@@ -4,6 +4,7 @@
#include "AndroidVulkanPlatform.h"
#include "../RenderToolsVulkan.h"
#include "Engine/Platform/Window.h"
void AndroidVulkanPlatform::GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers)
{
@@ -17,8 +18,10 @@ void AndroidVulkanPlatform::GetDeviceExtensions(Array<const char*>& extensions,
extensions.Add(VK_KHR_ANDROID_SURFACE_EXTENSION_NAME);
}
void AndroidVulkanPlatform::CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* surface)
void AndroidVulkanPlatform::CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* surface)
{
ASSERT(window);
void* windowHandle = window->GetNativePtr();
ASSERT(windowHandle);
VkAndroidSurfaceCreateInfoKHR surfaceCreateInfo;
RenderToolsVulkan::ZeroStruct(surfaceCreateInfo, VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR);

2
Source/Engine/GraphicsDevice/Vulkan/Android/AndroidVulkanPlatform.h
View File

@@ -17,7 +17,7 @@ class AndroidVulkanPlatform : public VulkanPlatformBase
public:
static void GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers);
static void GetDeviceExtensions(Array<const char*>& extensions, Array<const char*>& layers);
static void CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* surface);
static void CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* surface);
};
typedef AndroidVulkanPlatform VulkanPlatform;

2
Source/Engine/GraphicsDevice/Vulkan/GPUSwapChainVulkan.cpp
View File

@@ -192,7 +192,7 @@ bool GPUSwapChainVulkan::CreateSwapChain(int32 width, int32 height)
ASSERT_LOW_LAYER(_backBuffers.Count() == 0);
// Create platform-dependent surface
VulkanPlatform::CreateSurface(windowHandle, GPUDeviceVulkan::Instance, &_surface);
VulkanPlatform::CreateSurface(_window, GPUDeviceVulkan::Instance, &_surface);
if (_surface == VK_NULL_HANDLE)
{
LOG(Warning, "Failed to create Vulkan surface.");

76
Source/Engine/GraphicsDevice/Vulkan/Linux/LinuxVulkanPlatform.cpp
View File

@@ -4,62 +4,62 @@
#include "LinuxVulkanPlatform.h"
#include "../RenderToolsVulkan.h"
#include "Engine/Platform/Window.h"
// Contents of vulkan\vulkan_xlib.h inlined here to prevent typename collisions with engine types due to X11 types
#include "Engine/Platform/Linux/IncludeX11.h"
#ifdef __cplusplus
extern "C" {
#endif
#define VK_KHR_xlib_surface 1
#define VK_KHR_XLIB_SURFACE_SPEC_VERSION 6
#define VK_KHR_XLIB_SURFACE_EXTENSION_NAME "VK_KHR_xlib_surface"
typedef VkFlags VkXlibSurfaceCreateFlagsKHR;
#define Display X11::Display
#define Window X11::Window
#define VisualID X11::VisualID
#include "vulkan/vulkan_xlib.h"
#undef Display
#undef Window
#undef VisualID
typedef struct VkXlibSurfaceCreateInfoKHR
{
VkStructureType sType;
const void* pNext;
VkXlibSurfaceCreateFlagsKHR flags;
X11::Display* dpy;
X11::Window window;
} VkXlibSurfaceCreateInfoKHR;
#include "vulkan/vulkan_wayland.h"
typedef VkResult (VKAPI_PTR *PFN_vkCreateXlibSurfaceKHR)(VkInstance instance, const VkXlibSurfaceCreateInfoKHR* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkSurfaceKHR* pSurface);
typedef VkBool32 (VKAPI_PTR *PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR)(VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex, X11::Display* dpy, X11::VisualID visualID);
#ifndef VK_NO_PROTOTYPES
VKAPI_ATTR VkResult VKAPI_CALL vkCreateXlibSurfaceKHR(
VkInstance instance,
const VkXlibSurfaceCreateInfoKHR* pCreateInfo,
const VkAllocationCallbacks* pAllocator,
VkSurfaceKHR* pSurface);
VKAPI_ATTR VkBool32 VKAPI_CALL vkGetPhysicalDeviceXlibPresentationSupportKHR(
VkPhysicalDevice physicalDevice,
uint32_t queueFamilyIndex,
Display* dpy,
VisualID visualID);
#endif
#ifdef __cplusplus
}
#endif
//
// Export X11 surface extension from volk
// Export extension from volk
extern PFN_vkCreateXlibSurfaceKHR vkCreateXlibSurfaceKHR;
extern PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR vkGetPhysicalDeviceXlibPresentationSupportKHR;
extern PFN_vkCreateWaylandSurfaceKHR vkCreateWaylandSurfaceKHR;
extern PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR vkGetPhysicalDeviceWaylandPresentationSupportKHR;
void LinuxVulkanPlatform::GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers)
{
extensions.Add(VK_KHR_SURFACE_EXTENSION_NAME);
extensions.Add(VK_KHR_XLIB_SURFACE_EXTENSION_NAME);
extensions.Add(VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME);
}
void LinuxVulkanPlatform::CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* surface)
void LinuxVulkanPlatform::CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* surface)
{
#if !PLATFORM_SDL
void* windowHandle = window->GetNativePtr();
VkXlibSurfaceCreateInfoKHR surfaceCreateInfo;
RenderToolsVulkan::ZeroStruct(surfaceCreateInfo, VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR);
surfaceCreateInfo.dpy = (X11::Display*)LinuxPlatform::GetXDisplay();
surfaceCreateInfo.dpy = (X11::Display*)Platform::GetXDisplay();
surfaceCreateInfo.window = (X11::Window)windowHandle;
VALIDATE_VULKAN_RESULT(vkCreateXlibSurfaceKHR(instance, &surfaceCreateInfo, nullptr, surface));
#else
SDLWindow* sdlWindow = static_cast<Window*>(window);
X11::Window x11Window = (X11::Window)sdlWindow->GetX11WindowHandle();
wl_surface* waylandSurface = (wl_surface*)sdlWindow->GetWaylandSurfacePtr();
if (waylandSurface != nullptr)
{
VkWaylandSurfaceCreateInfoKHR surfaceCreateInfo;
RenderToolsVulkan::ZeroStruct(surfaceCreateInfo, VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR);
surfaceCreateInfo.display = (wl_display*)sdlWindow->GetWaylandDisplay();
surfaceCreateInfo.surface = waylandSurface;
VALIDATE_VULKAN_RESULT(vkCreateWaylandSurfaceKHR(instance, &surfaceCreateInfo, nullptr, surface));
}
else if (x11Window != 0)
{
VkXlibSurfaceCreateInfoKHR surfaceCreateInfo;
RenderToolsVulkan::ZeroStruct(surfaceCreateInfo, VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR);
surfaceCreateInfo.dpy = (X11::Display*)sdlWindow->GetX11Display();
surfaceCreateInfo.window = x11Window;
VALIDATE_VULKAN_RESULT(vkCreateXlibSurfaceKHR(instance, &surfaceCreateInfo, nullptr, surface));
}
#endif
}
#endif

2
Source/Engine/GraphicsDevice/Vulkan/Linux/LinuxVulkanPlatform.h
View File

@@ -19,7 +19,7 @@ class LinuxVulkanPlatform : public VulkanPlatformBase
{
public:
static void GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers);
static void CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* outSurface);
static void CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* outSurface);
};
typedef LinuxVulkanPlatform VulkanPlatform;

8
Source/Engine/GraphicsDevice/Vulkan/Mac/MacVulkanPlatform.cpp
View File

@@ -4,6 +4,7 @@
#include "MacVulkanPlatform.h"
#include "../RenderToolsVulkan.h"
#include "Engine/Platform/Window.h"
#include <Cocoa/Cocoa.h>
void MacVulkanPlatform::GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers)
@@ -12,12 +13,13 @@ void MacVulkanPlatform::GetInstanceExtensions(Array<const char*>& extensions, Ar
extensions.Add(VK_MVK_MACOS_SURFACE_EXTENSION_NAME);
}
void MacVulkanPlatform::CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* surface)
void MacVulkanPlatform::CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* surface)
{
NSWindow* window = (NSWindow*)windowHandle;
void* windowHandle = window->GetNativePtr();
NSWindow* nswindow = (NSWindow*)windowHandle;
VkMacOSSurfaceCreateInfoMVK surfaceCreateInfo;
RenderToolsVulkan::ZeroStruct(surfaceCreateInfo, VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK);
surfaceCreateInfo.pView = (void*)window.contentView;
surfaceCreateInfo.pView = (void*)nswindow.contentView;
VALIDATE_VULKAN_RESULT(vkCreateMacOSSurfaceMVK(instance, &surfaceCreateInfo, nullptr, surface));
}

2
Source/Engine/GraphicsDevice/Vulkan/Mac/MacVulkanPlatform.h
View File

@@ -18,7 +18,7 @@ class MacVulkanPlatform : public VulkanPlatformBase
{
public:
static void GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers);
static void CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* outSurface);
static void CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* outSurface);
};
typedef MacVulkanPlatform VulkanPlatform;

4
Source/Engine/GraphicsDevice/Vulkan/Win32/Win32VulkanPlatform.cpp
View File

@@ -6,6 +6,7 @@
#include "../RenderToolsVulkan.h"
#include "Engine/Graphics/GPUDevice.h"
#include "Engine/Platform/Window.h"
void Win32VulkanPlatform::GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers)
{
@@ -13,8 +14,9 @@ void Win32VulkanPlatform::GetInstanceExtensions(Array<const char*>& extensions,
extensions.Add(VK_KHR_WIN32_SURFACE_EXTENSION_NAME);
}
void Win32VulkanPlatform::CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* surface)
void Win32VulkanPlatform::CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* surface)
{
void* windowHandle = window->GetNativePtr();
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo;
RenderToolsVulkan::ZeroStruct(surfaceCreateInfo, VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR);
surfaceCreateInfo.hinstance = GetModuleHandle(nullptr);

2
Source/Engine/GraphicsDevice/Vulkan/Win32/Win32VulkanPlatform.h
View File

@@ -17,7 +17,7 @@ class Win32VulkanPlatform : public VulkanPlatformBase
{
public:
static void GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers);
static void CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* surface);
static void CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* surface);
};
typedef Win32VulkanPlatform VulkanPlatform;

4
Source/Engine/GraphicsDevice/Vulkan/iOS/iOSVulkanPlatform.cpp
View File

@@ -5,6 +5,7 @@
#include "iOSVulkanPlatform.h"
#include "../RenderToolsVulkan.h"
#include "Engine/Core/Delegate.h"
#include "Engine/Platform/Window.h"
#include <UIKit/UIKit.h>
void iOSVulkanPlatform::GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers)
@@ -13,8 +14,9 @@ void iOSVulkanPlatform::GetInstanceExtensions(Array<const char*>& extensions, Ar
extensions.Add(VK_MVK_IOS_SURFACE_EXTENSION_NAME);
}
void iOSVulkanPlatform::CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* surface)
void iOSVulkanPlatform::CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* surface)
{
void* windowHandle = window->GetNativePtr();
// Create surface on a main UI Thread
Function<void()> func = [&windowHandle, &instance, &surface]()
{

2
Source/Engine/GraphicsDevice/Vulkan/iOS/iOSVulkanPlatform.h
View File

@@ -18,7 +18,7 @@ class iOSVulkanPlatform : public VulkanPlatformBase
{
public:
static void GetInstanceExtensions(Array<const char*>& extensions, Array<const char*>& layers);
static void CreateSurface(void* windowHandle, VkInstance instance, VkSurfaceKHR* outSurface);
static void CreateSurface(Window* window, VkInstance instance, VkSurfaceKHR* outSurface);
};
typedef iOSVulkanPlatform VulkanPlatform;

4
Source/Engine/Platform/Clipboard.h
View File

@@ -2,7 +2,9 @@
#pragma once
#if PLATFORM_WINDOWS
#if PLATFORM_SDL && PLATFORM_LINUX
#include "SDL/SDLClipboard.h"
#elif PLATFORM_WINDOWS
#include "Windows/WindowsClipboard.h"
#elif PLATFORM_LINUX
#include "Linux/LinuxClipboard.h"

3
Source/Engine/Platform/Defines.h
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@@ -140,6 +140,9 @@ API_ENUM() enum class ArchitectureType
#if !defined(PLATFORM_SWITCH)
#define PLATFORM_SWITCH 0
#endif
#if !defined(PLATFORM_SDL)
#define PLATFORM_SDL 0
#endif
#if PLATFORM_WINDOWS
#include "Windows/WindowsDefines.h"

1
Source/Engine/Platform/Linux/IncludeX11.h
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@@ -21,6 +21,7 @@ namespace X11
#include <X11/Xresource.h>
#include <X11/extensions/Xinerama.h>
#include <X11/Xcursor/Xcursor.h>
#include <X11/extensions/Xfixes.h>
}
// Helper macros

64
Source/Engine/Platform/Linux/LinuxPlatform.cpp
View File

@@ -93,7 +93,9 @@ X11::Cursor Cursors[(int32)CursorType::MAX];
X11::XcursorImage* CursorsImg[(int32)CursorType::MAX];
Dictionary<StringAnsi, X11::KeyCode> KeyNameMap;
Array<KeyboardKeys> KeyCodeMap;
Delegate<void*> LinuxPlatform::xEventRecieved;
#if !PLATFORM_SDL
Delegate<void*> LinuxPlatform::xEventReceived;
#endif
Window* MouseTrackingWindow = nullptr;
// Message boxes configuration
@@ -364,6 +366,8 @@ static int X11_MessageBoxInitPositions(MessageBoxData* data)
return 0;
}
#if !PLATFORM_SDL
// Create and set up X11 dialog box window
static int X11_MessageBoxCreateWindow(MessageBoxData* data)
{
@@ -847,6 +851,7 @@ int X11ErrorHandler(X11::Display* display, X11::XErrorEvent* event)
LOG(Error, "X11 Error: {0}", String(buffer));
return 0;
}
#endif
int32 CalculateDpi()
{
@@ -1203,17 +1208,18 @@ public:
}
};
struct Property
/*struct Property
{
unsigned char* data;
int format, nitems;
X11::Atom type;
};
};*/
namespace Impl
{
LinuxKeyboard* Keyboard;
LinuxMouse* Mouse;
#if !PLATFORM_SDL
StringAnsi ClipboardText;
void ClipboardGetText(String& result, X11::Atom source, X11::Atom atom, X11::Window window)
@@ -1328,8 +1334,10 @@ namespace Impl
X11::XQueryPointer(display, w, &wtmp, &child, &tmp, &tmp, &tmp, &tmp, &utmp);
return FindAppWindow(display, child);
}
#endif
}
#if !PLATFORM_SDL
class LinuxDropFilesData : public IGuiData
{
public:
@@ -1367,7 +1375,7 @@ public:
}
};
DragDropEffect LinuxWindow::DoDragDrop(const StringView& data)
DragDropEffect Window::DoDragDrop(const StringView& data)
{
if (CommandLine::Options.Headless)
return DragDropEffect::None;
@@ -1381,13 +1389,18 @@ DragDropEffect LinuxWindow::DoDragDrop(const StringView& data)
StringAnsi dataAnsi(data);
LinuxDropTextData dropData;
dropData.Text = data;
#if !PLATFORM_SDL
unsigned long mainWindow = _window;
#else
unsigned long mainWindow = (unsigned long)_handle;
#endif
// Begin dragging
auto screen = X11::XDefaultScreen(xDisplay);
auto rootWindow = X11::XRootWindow(xDisplay, screen);
if (X11::XGrabPointer(xDisplay, _window, 1, Button1MotionMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, rootWindow, cursorWrong, CurrentTime) != GrabSuccess)
if (X11::XGrabPointer(xDisplay, mainWindow, 1, Button1MotionMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, rootWindow, cursorWrong, CurrentTime) != GrabSuccess)
return DragDropEffect::None;
X11::XSetSelectionOwner(xDisplay, xAtomXdndSelection, _window, CurrentTime);
X11::XSetSelectionOwner(xDisplay, xAtomXdndSelection, mainWindow, CurrentTime);
// Process events
X11::XEvent event;
@@ -1495,7 +1508,7 @@ DragDropEffect LinuxWindow::DoDragDrop(const StringView& data)
m.window = previousWindow;
m.message_type = xAtomXdndLeave;
m.format = 32;
m.data.l[0] = _window;
m.data.l[0] = mainWindow;
m.data.l[1] = 0;
m.data.l[2] = 0;
m.data.l[3] = 0;
@@ -1524,7 +1537,7 @@ DragDropEffect LinuxWindow::DoDragDrop(const StringView& data)
m.window = window;
m.message_type = xAtomXdndEnter;
m.format = 32;
m.data.l[0] = _window;
m.data.l[0] = mainWindow;
m.data.l[1] = Math::Min(5, version) << 24 | (formats.Count() > 3);
m.data.l[2] = formats.Count() > 0 ? formats[0] : 0;
m.data.l[3] = formats.Count() > 1 ? formats[1] : 0;
@@ -1559,7 +1572,7 @@ DragDropEffect LinuxWindow::DoDragDrop(const StringView& data)
m.window = window;
m.message_type = xAtomXdndPosition;
m.format = 32;
m.data.l[0] = _window;
m.data.l[0] = mainWindow;
m.data.l[1] = 0;
m.data.l[2] = (x << 16) | y;
m.data.l[3] = CurrentTime;
@@ -1602,7 +1615,7 @@ DragDropEffect LinuxWindow::DoDragDrop(const StringView& data)
m.window = previousWindow;
m.message_type = xAtomXdndDrop;
m.format = 32;
m.data.l[0] = _window;
m.data.l[0] = mainWindow;
m.data.l[1] = 0;
m.data.l[2] = CurrentTime;
m.data.l[3] = 0;
@@ -1649,7 +1662,7 @@ DragDropEffect LinuxWindow::DoDragDrop(const StringView& data)
m.window = previousWindow;
m.message_type = xAtomXdndLeave;
m.format = 32;
m.data.l[0] = _window;
m.data.l[0] = mainWindow;
m.data.l[1] = 0;
m.data.l[2] = 0;
m.data.l[3] = 0;
@@ -1675,7 +1688,7 @@ void LinuxClipboard::SetText(const StringView& text)
{
if (CommandLine::Options.Headless)
return;
auto mainWindow = (LinuxWindow*)Engine::MainWindow;
auto mainWindow = Engine::MainWindow;
if (!mainWindow)
return;
X11::Window window = (X11::Window)mainWindow->GetNativePtr();
@@ -1698,7 +1711,7 @@ String LinuxClipboard::GetText()
if (CommandLine::Options.Headless)
return String::Empty;
String result;
auto mainWindow = (LinuxWindow*)Engine::MainWindow;
auto mainWindow = Engine::MainWindow;
if (!mainWindow)
return result;
X11::Window window = (X11::Window)mainWindow->GetNativePtr();
@@ -1727,9 +1740,11 @@ Array<String> LinuxClipboard::GetFiles()
return Array<String>();
}
#endif
void* LinuxPlatform::GetXDisplay()
{
return xDisplay;
return xDisplay;
}
bool LinuxPlatform::CreateMutex(const Char* name)
@@ -2117,10 +2132,15 @@ bool LinuxPlatform::Init()
Platform::MemoryClear(Cursors, sizeof(Cursors));
Platform::MemoryClear(CursorsImg, sizeof(CursorsImg));
// Skip setup if running in headless mode (X11 might not be available on servers)
if (CommandLine::Options.Headless)
return false;
#if PLATFORM_SDL
xDisplay = X11::XOpenDisplay(nullptr);
#endif
#if !PLATFORM_SDL
X11::XInitThreads();
xDisplay = X11::XOpenDisplay(nullptr);
@@ -2259,7 +2279,7 @@ bool LinuxPlatform::Init()
Input::Mouse = Impl::Mouse = New<LinuxMouse>();
Input::Keyboard = Impl::Keyboard = New<LinuxKeyboard>();
LinuxInput::Init();
#endif
return false;
}
@@ -2269,6 +2289,7 @@ void LinuxPlatform::BeforeRun()
void LinuxPlatform::Tick()
{
#if !PLATFORM_SDL
UnixPlatform::Tick();
LinuxInput::UpdateState();
@@ -2285,9 +2306,9 @@ void LinuxPlatform::Tick()
continue;
// External event handling
xEventRecieved(&event);
xEventReceived(&event);
LinuxWindow* window;
Window* window;
switch (event.type)
{
case ClientMessage:
@@ -2619,6 +2640,7 @@ void LinuxPlatform::Tick()
}
//X11::XFlush(xDisplay);
#endif
}
void LinuxPlatform::BeforeExit()
@@ -2627,6 +2649,7 @@ void LinuxPlatform::BeforeExit()
void LinuxPlatform::Exit()
{
#if !PLATFORM_SDL
for (int32 i = 0; i < (int32)CursorType::MAX; i++)
{
if (Cursors[i])
@@ -2652,6 +2675,7 @@ void LinuxPlatform::Exit()
X11::XCloseDisplay(xDisplay);
xDisplay = nullptr;
}
#endif
}
int32 LinuxPlatform::GetDpi()
@@ -2872,7 +2896,11 @@ bool LinuxPlatform::SetWorkingDirectory(const String& path)
Window* LinuxPlatform::CreateWindow(const CreateWindowSettings& settings)
{
#if PLATFORM_SDL
return New<SDLWindow>(settings);
#else
return New<LinuxWindow>(settings);
#endif
}
extern char **environ;

2
Source/Engine/Platform/Linux/LinuxPlatform.h
View File

@@ -36,7 +36,7 @@ public:
/// <summary>
/// An event that is fired when an XEvent is received during platform tick.
/// </summary>
static Delegate<void*> xEventRecieved;
static Delegate<void*> xEventReceived;
public:

2
Source/Engine/Platform/Linux/LinuxWindow.cpp
View File

@@ -1,6 +1,6 @@
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#if PLATFORM_LINUX
#if PLATFORM_LINUX && !PLATFORM_SDL
#include "../Window.h"
#include "Engine/Input/Input.h"

13
Source/Engine/Platform/Platform.Build.cs
View File

@@ -89,6 +89,19 @@ public class Platform : EngineModule
break;
default: throw new InvalidPlatformException(options.Platform.Target);
}
if (EngineConfiguration.WithSDL(options))
{
switch (options.Platform.Target)
{
case TargetPlatform.Windows:
case TargetPlatform.Linux:
case TargetPlatform.Mac:
options.PublicDependencies.Add("SDL");
options.SourcePaths.Add(Path.Combine(FolderPath, "SDL"));
break;
}
}
if (options.Target.IsEditor)
{
// Include platform settings headers

4
Source/Engine/Platform/Platform.h
View File

@@ -8,7 +8,9 @@
#include "Types.h"
#include "Defines.h"
#if PLATFORM_WINDOWS
#if PLATFORM_SDL
#include "SDL/SDLPlatform.h"
#elif PLATFORM_WINDOWS
#include "Windows/WindowsPlatform.h"
#elif PLATFORM_UWP
#include "UWP/UWPPlatform.h"

26
Source/Engine/Platform/SDL/SDLClipboard.h Normal file
View File

@@ -0,0 +1,26 @@
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#pragma once
#if PLATFORM_SDL && PLATFORM_LINUX
#include "Engine/Platform/Base/ClipboardBase.h"
/// <summary>
/// SDL implementation of the clipboard service for Linux platform.
/// </summary>
class FLAXENGINE_API SDLClipboard : public ClipboardBase
{
public:
// [ClipboardBase]
static void Clear();
static void SetText(const StringView& text);
static void SetRawData(const Span<byte>& data);
static void SetFiles(const Array<String>& files);
static String GetText();
static Array<byte> GetRawData();
static Array<String> GetFiles();
};
#endif

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// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#if PLATFORM_SDL
#include "SDLInput.h"
#include "SDLWindow.h"
#include "Engine/Input/Input.h"
#include "Engine/Input/Mouse.h"
#include "Engine/Input/Keyboard.h"
#include "Engine/Input/Gamepad.h"
#include "Engine/Core/Collections/Dictionary.h"
#include <SDL3/SDL_events.h>
class SDLMouse;
class SDLKeyboard;
class SDLGamepad;
// TODO: Turn these into customizable values
#define TRIGGER_THRESHOLD 30
#define LEFT_STICK_THRESHOLD 7849
#define RIGHT_STICK_THRESHOLD 8689
namespace SDLInputImpl
{
SDLMouse* Mouse = nullptr;
SDLKeyboard* Keyboard = nullptr;
Dictionary<SDL_JoystickID, SDLGamepad*> Gamepads;
}
static const KeyboardKeys SDL_TO_FLAX_KEYS_MAP[] =
{
KeyboardKeys::None, // SDL_SCANCODE_UNKNOWN
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::A,
KeyboardKeys::B,
KeyboardKeys::C,
KeyboardKeys::D,
KeyboardKeys::E,
KeyboardKeys::F,
KeyboardKeys::G,
KeyboardKeys::H,
KeyboardKeys::I,
KeyboardKeys::J,
KeyboardKeys::K,
KeyboardKeys::L,
KeyboardKeys::M,
KeyboardKeys::N,
KeyboardKeys::O,
KeyboardKeys::P,
KeyboardKeys::Q,
KeyboardKeys::R,
KeyboardKeys::S,
KeyboardKeys::T,
KeyboardKeys::U,
KeyboardKeys::V,
KeyboardKeys::W,
KeyboardKeys::X,
KeyboardKeys::Y,
KeyboardKeys::Z, // 29
KeyboardKeys::Alpha1,
KeyboardKeys::Alpha2,
KeyboardKeys::Alpha3,
KeyboardKeys::Alpha4,
KeyboardKeys::Alpha5,
KeyboardKeys::Alpha6,
KeyboardKeys::Alpha7,
KeyboardKeys::Alpha8,
KeyboardKeys::Alpha9,
KeyboardKeys::Alpha0, // 39
KeyboardKeys::Return,
KeyboardKeys::Escape,
KeyboardKeys::Backspace,
KeyboardKeys::Tab,
KeyboardKeys::Spacebar,
KeyboardKeys::Minus,
KeyboardKeys::None, //KeyboardKeys::Equals, // ?
KeyboardKeys::LeftBracket,
KeyboardKeys::RightBracket,
KeyboardKeys::Backslash, // SDL_SCANCODE_BACKSLASH ?
KeyboardKeys::Oem102, // SDL_SCANCODE_NONUSHASH ?
KeyboardKeys::Colon, // SDL_SCANCODE_SEMICOLON ?
KeyboardKeys::Quote, // SDL_SCANCODE_APOSTROPHE
KeyboardKeys::BackQuote, // SDL_SCANCODE_GRAVE
KeyboardKeys::Comma,
KeyboardKeys::Period,
KeyboardKeys::Slash,
KeyboardKeys::Capital,
KeyboardKeys::F1,
KeyboardKeys::F2,
KeyboardKeys::F3,
KeyboardKeys::F4,
KeyboardKeys::F5,
KeyboardKeys::F6,
KeyboardKeys::F7,
KeyboardKeys::F8,
KeyboardKeys::F9,
KeyboardKeys::F10,
KeyboardKeys::F11,
KeyboardKeys::F12,
KeyboardKeys::PrintScreen,
KeyboardKeys::Scroll,
KeyboardKeys::Pause,
KeyboardKeys::Insert,
KeyboardKeys::Home,
KeyboardKeys::PageUp,
KeyboardKeys::Delete,
KeyboardKeys::End,
KeyboardKeys::PageDown,
KeyboardKeys::ArrowRight,
KeyboardKeys::ArrowLeft,
KeyboardKeys::ArrowDown,
KeyboardKeys::ArrowUp,
KeyboardKeys::Numlock,
KeyboardKeys::NumpadDivide,
KeyboardKeys::NumpadMultiply,
KeyboardKeys::NumpadSubtract,
KeyboardKeys::NumpadAdd,
KeyboardKeys::Return, // SDL_SCANCODE_KP_ENTER ?
KeyboardKeys::Numpad1,
KeyboardKeys::Numpad2,
KeyboardKeys::Numpad3,
KeyboardKeys::Numpad4,
KeyboardKeys::Numpad5,
KeyboardKeys::Numpad6,
KeyboardKeys::Numpad7,
KeyboardKeys::Numpad8,
KeyboardKeys::Numpad9,
KeyboardKeys::Numpad0, //98
KeyboardKeys::NumpadDecimal, // SDL_SCANCODE_KP_PERIOD
KeyboardKeys::Backslash, // SDL_SCANCODE_NONUSBACKSLASH ?
KeyboardKeys::Applications,
KeyboardKeys::Sleep, // SDL_SCANCODE_POWER ?
KeyboardKeys::None, // SDL_SCANCODE_KP_EQUALS ?
KeyboardKeys::F13,
KeyboardKeys::F14,
KeyboardKeys::F15,
KeyboardKeys::F16,
KeyboardKeys::F17,
KeyboardKeys::F18,
KeyboardKeys::F19,
KeyboardKeys::F20,
KeyboardKeys::F21,
KeyboardKeys::F22,
KeyboardKeys::F23,
KeyboardKeys::F24,
KeyboardKeys::Execute,
KeyboardKeys::Help,
KeyboardKeys::LeftMenu, // SDL_SCANCODE_MENU ?
KeyboardKeys::Select,
KeyboardKeys::None, // SDL_SCANCODE_STOP
KeyboardKeys::None, // SDL_SCANCODE_AGAIN
KeyboardKeys::None, // SDL_SCANCODE_UNDO
KeyboardKeys::None, // SDL_SCANCODE_CUT
KeyboardKeys::None, // SDL_SCANCODE_COPY
KeyboardKeys::None, // SDL_SCANCODE_PASTE
KeyboardKeys::None, // SDL_SCANCODE_FIND
KeyboardKeys::None, // SDL_SCANCODE_MUTE
KeyboardKeys::None, // SDL_SCANCODE_VOLUMEUP
KeyboardKeys::None, // SDL_SCANCODE_VOLUMEDOWN
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::NumpadSeparator, // SDL_SCANCODE_KP_COMMA ?
KeyboardKeys::None, // SDL_SCANCODE_KP_EQUALSAS400
KeyboardKeys::None, // SDL_SCANCODE_INTERNATIONAL1
KeyboardKeys::None, // SDL_SCANCODE_INTERNATIONAL2
KeyboardKeys::None, // SDL_SCANCODE_INTERNATIONAL3
KeyboardKeys::None, // SDL_SCANCODE_INTERNATIONAL4
KeyboardKeys::None, // SDL_SCANCODE_INTERNATIONAL5
KeyboardKeys::None, // SDL_SCANCODE_INTERNATIONAL6
KeyboardKeys::None, // SDL_SCANCODE_INTERNATIONAL7
KeyboardKeys::None, // SDL_SCANCODE_INTERNATIONAL8
KeyboardKeys::None, // SDL_SCANCODE_INTERNATIONAL9
KeyboardKeys::None, // SDL_SCANCODE_LANG1
KeyboardKeys::None, // SDL_SCANCODE_LANG2
KeyboardKeys::None, // SDL_SCANCODE_LANG3
KeyboardKeys::None, // SDL_SCANCODE_LANG4
KeyboardKeys::None, // SDL_SCANCODE_LANG5
KeyboardKeys::None, // SDL_SCANCODE_LANG6
KeyboardKeys::None, // SDL_SCANCODE_LANG7
KeyboardKeys::None, // SDL_SCANCODE_LANG8
KeyboardKeys::None, // SDL_SCANCODE_LANG9
KeyboardKeys::None, // SDL_SCANCODE_ALTERASE
KeyboardKeys::None, // SDL_SCANCODE_SYSREQ
KeyboardKeys::None, // SDL_SCANCODE_CANCEL
KeyboardKeys::Clear, // SDL_SCANCODE_CLEAR
KeyboardKeys::None, // SDL_SCANCODE_PRIOR
KeyboardKeys::None, // SDL_SCANCODE_RETURN2
KeyboardKeys::None, // SDL_SCANCODE_SEPARATOR
KeyboardKeys::None, // SDL_SCANCODE_OUT
KeyboardKeys::None, // SDL_SCANCODE_OPER
KeyboardKeys::None, // SDL_SCANCODE_CLEARAGAIN
KeyboardKeys::None, // SDL_SCANCODE_CRSEL
KeyboardKeys::None, // SDL_SCANCODE_EXSEL
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None, // SDL_SCANCODE_KP_00
KeyboardKeys::None, // SDL_SCANCODE_KP_000
KeyboardKeys::None, // SDL_SCANCODE_THOUSANDSSEPARATOR
KeyboardKeys::None, // SDL_SCANCODE_DECIMALSEPARATOR
KeyboardKeys::None, // SDL_SCANCODE_CURRENCYUNIT
KeyboardKeys::None, // SDL_SCANCODE_CURRENCYSUBUNIT
KeyboardKeys::None, // SDL_SCANCODE_KP_LEFTPAREN = 182,
KeyboardKeys::None, // SDL_SCANCODE_KP_RIGHTPAREN = 183,
KeyboardKeys::None, // SDL_SCANCODE_KP_LEFTBRACE = 184,
KeyboardKeys::None, // SDL_SCANCODE_KP_RIGHTBRACE = 185,
KeyboardKeys::None, // SDL_SCANCODE_KP_TAB = 186,
KeyboardKeys::None, // SDL_SCANCODE_KP_BACKSPACE = 187,
KeyboardKeys::None, // SDL_SCANCODE_KP_A = 188,
KeyboardKeys::None, // SDL_SCANCODE_KP_B = 189,
KeyboardKeys::None, // SDL_SCANCODE_KP_C = 190,
KeyboardKeys::None, // SDL_SCANCODE_KP_D = 191,
KeyboardKeys::None, // SDL_SCANCODE_KP_E = 192,
KeyboardKeys::None, // SDL_SCANCODE_KP_F = 193,
KeyboardKeys::None, // SDL_SCANCODE_KP_XOR = 194,
KeyboardKeys::None, // SDL_SCANCODE_KP_POWER = 195,
KeyboardKeys::None, // SDL_SCANCODE_KP_PERCENT = 196,
KeyboardKeys::None, // SDL_SCANCODE_KP_LESS = 197,
KeyboardKeys::None, // SDL_SCANCODE_KP_GREATER = 198,
KeyboardKeys::None, // SDL_SCANCODE_KP_AMPERSAND = 199,
KeyboardKeys::None, // SDL_SCANCODE_KP_DBLAMPERSAND = 200,
KeyboardKeys::None, // SDL_SCANCODE_KP_VERTICALBAR = 201,
KeyboardKeys::None, // SDL_SCANCODE_KP_DBLVERTICALBAR = 202,
KeyboardKeys::None, // SDL_SCANCODE_KP_COLON = 203,
KeyboardKeys::None, // SDL_SCANCODE_KP_HASH = 204,
KeyboardKeys::None, // SDL_SCANCODE_KP_SPACE = 205,
KeyboardKeys::None, // SDL_SCANCODE_KP_AT = 206,
KeyboardKeys::None, // SDL_SCANCODE_KP_EXCLAM = 207,
KeyboardKeys::None, // SDL_SCANCODE_KP_MEMSTORE = 208,
KeyboardKeys::None, // SDL_SCANCODE_KP_MEMRECALL = 209,
KeyboardKeys::None, // SDL_SCANCODE_KP_MEMCLEAR = 210,
KeyboardKeys::None, // SDL_SCANCODE_KP_MEMADD = 211,
KeyboardKeys::None, // SDL_SCANCODE_KP_MEMSUBTRACT = 212,
KeyboardKeys::None, // SDL_SCANCODE_KP_MEMMULTIPLY = 213,
KeyboardKeys::None, // SDL_SCANCODE_KP_MEMDIVIDE = 214,
KeyboardKeys::None, // SDL_SCANCODE_KP_PLUSMINUS = 215,
KeyboardKeys::None, // SDL_SCANCODE_KP_CLEAR = 216,
KeyboardKeys::None, // SDL_SCANCODE_KP_CLEARENTRY = 217,
KeyboardKeys::None, // SDL_SCANCODE_KP_BINARY = 218,
KeyboardKeys::None, // SDL_SCANCODE_KP_OCTAL = 219,
KeyboardKeys::None, // SDL_SCANCODE_KP_DECIMAL = 220,
KeyboardKeys::None, // SDL_SCANCODE_KP_HEXADECIMAL = 221,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::Control, // SDL_SCANCODE_LCTRL = 224,
KeyboardKeys::Shift, // SDL_SCANCODE_LSHIFT = 225,
KeyboardKeys::Alt, // SDL_SCANCODE_LALT = 226,
KeyboardKeys::LeftMenu, // SDL_SCANCODE_LGUI = 227,
KeyboardKeys::Control, // SDL_SCANCODE_RCTRL = 228,
KeyboardKeys::Shift, // SDL_SCANCODE_RSHIFT = 229,
KeyboardKeys::Alt, // SDL_SCANCODE_RALT = 230,
KeyboardKeys::RightMenu, // SDL_SCANCODE_RGUI = 231,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::None,
KeyboardKeys::Modechange, // SDL_SCANCODE_MODE
KeyboardKeys::Sleep, // SDL_SCANCODE_SLEEP
KeyboardKeys::None, // SDL_SCANCODE_WAKE
KeyboardKeys::None, // SDL_SCANCODE_CHANNEL_INCREMENT = 260,
KeyboardKeys::None, // SDL_SCANCODE_CHANNEL_DECREMENT = 261,
KeyboardKeys::None, // SDL_SCANCODE_MEDIA_PLAY = 262,
KeyboardKeys::None, // SDL_SCANCODE_MEDIA_PAUSE = 263,
KeyboardKeys::None, // SDL_SCANCODE_MEDIA_RECORD = 264,
KeyboardKeys::None, // SDL_SCANCODE_MEDIA_FAST_FORWARD = 265,
KeyboardKeys::None, // SDL_SCANCODE_MEDIA_REWIND = 266,
KeyboardKeys::MediaNextTrack, // SDL_SCANCODE_MEDIA_NEXT_TRACK = 267,
KeyboardKeys::MediaPrevTrack, // SDL_SCANCODE_MEDIA_PREVIOUS_TRACK = 268,
KeyboardKeys::MediaStop, // SDL_SCANCODE_MEDIA_STOP = 269,
KeyboardKeys::None, // SDL_SCANCODE_MEDIA_EJECT = 270,
KeyboardKeys::MediaPlayPause, // SDL_SCANCODE_MEDIA_PLAY_PAUSE = 271,
KeyboardKeys::None, // SDL_SCANCODE_MEDIA_SELECT = 272,
KeyboardKeys::None, // SDL_SCANCODE_AC_NEW = 273,
KeyboardKeys::None, // SDL_SCANCODE_AC_OPEN = 274,
KeyboardKeys::None, // SDL_SCANCODE_AC_CLOSE = 275,
KeyboardKeys::None, // SDL_SCANCODE_AC_EXIT = 276,
KeyboardKeys::None, // SDL_SCANCODE_AC_SAVE = 277,
KeyboardKeys::None, // SDL_SCANCODE_AC_PRINT = 278,
KeyboardKeys::None, // SDL_SCANCODE_AC_PROPERTIES = 279,
KeyboardKeys::None, // SDL_SCANCODE_AC_SEARCH = 280,
KeyboardKeys::None, // SDL_SCANCODE_AC_HOME = 281,
KeyboardKeys::None, // SDL_SCANCODE_AC_BACK = 282,
KeyboardKeys::None, // SDL_SCANCODE_AC_FORWARD = 283,
KeyboardKeys::None, // SDL_SCANCODE_AC_STOP = 284,
KeyboardKeys::None, // SDL_SCANCODE_AC_REFRESH = 285,
KeyboardKeys::None, // SDL_SCANCODE_AC_BOOKMARKS = 286,
KeyboardKeys::None, // SDL_SCANCODE_SOFTLEFT = 287,
KeyboardKeys::None, // SDL_SCANCODE_SOFTRIGHT = 288,
KeyboardKeys::None, // SDL_SCANCODE_CALL = 289,
KeyboardKeys::None, // SDL_SCANCODE_ENDCALL = 290
};
/// <summary>
/// Implementation of the keyboard device for Windows platform.
/// </summary>
/// <seealso cref="Keyboard" />
class SDLKeyboard : public Keyboard
{
public:
/// <summary>
/// Initializes a new instance of the <see cref="SDLKeyboard"/> class.
/// </summary>
explicit SDLKeyboard()
: Keyboard()
{
}
public:
};
/// <summary>
/// Implementation of the mouse device for SDL platform.
/// </summary>
/// <seealso cref="Mouse" />
class SDLMouse : public Mouse
{
private:
Float2 oldPosition;
public:
/// <summary>
/// Initializes a new instance of the <see cref="SDLMouse"/> class.
/// </summary>
explicit SDLMouse()
: Mouse()
{
}
public:
Float2 GetMousePosition() const
{
return oldPosition;
}
// [Mouse]
void SetMousePosition(const Float2& newPosition) final override
{
SDL_WarpMouseGlobal(newPosition.X, newPosition.Y);
OnMouseMoved(newPosition);
}
void SetRelativeMode(bool relativeMode) final override
{
if (relativeMode == _relativeMode)
return;
if (relativeMode)
SDL_GetGlobalMouseState(&oldPosition.X, &oldPosition.Y);
Mouse::SetRelativeMode(relativeMode);
if (SDL_SetRelativeMouseMode(relativeMode ? SDL_TRUE : SDL_FALSE) != 0)
LOG(Error, "Failed to set mouse relative mode: {0}", String(SDL_GetError()));
if (!relativeMode)
{
SDL_WarpMouseGlobal(oldPosition.X, oldPosition.Y);
OnMouseMoved(oldPosition);
}
}
};
/// <summary>
/// Implementation of the gamepad device for SDL platform.
/// </summary>
/// <seealso cref="Gamepad" />
class SDLGamepad : public Gamepad
{
private:
SDL_Gamepad* _gamepad;
SDL_JoystickID _instanceId;
public:
/// <summary>
/// Initializes a new instance of the <see cref="SDLGamepad"/> class.
/// </summary>
/// <param name="userIndex">The joystick.</param>
explicit SDLGamepad(SDL_JoystickID instanceId);
/// <summary>
/// Finalizes an instance of the <see cref="SDLGamepad"/> class.
/// </summary>
~SDLGamepad();
private:
SDLGamepad(SDL_Gamepad* gamepad, SDL_JoystickID instanceId);
public:
static SDLGamepad* GetGamepadById(SDL_JoystickID id)
{
SDLGamepad* gamepad = nullptr;
SDLInputImpl::Gamepads.TryGet(id, gamepad);
return gamepad;
}
SDL_JoystickID GetJoystickInstanceId() const
{
return _instanceId;
}
void OnAxisMotion(SDL_GamepadAxis axis, int16 value);
void OnButtonState(SDL_GamepadButton axis, uint8 state);
// [Gamepad]
void SetVibration(const GamepadVibrationState& state) override;
protected:
// [Gamepad]
bool UpdateState() override;
};
void SDLInput::Init()
{
Input::Mouse = SDLInputImpl::Mouse = New<SDLMouse>();
Input::Keyboard = SDLInputImpl::Keyboard = New<SDLKeyboard>();
}
void SDLInput::Update()
{
}
float NormalizeAxisValue(const int16 axisVal)
{
// Normalize [-32768..32767] -> [-1..1]
const float norm = axisVal <= 0 ? 32768.0f : 32767.0f;
return float(axisVal) / norm;
}
bool SDLInput::HandleEvent(SDLWindow* window, SDL_Event& event)
{
switch (event.type)
{
case SDL_EVENT_MOUSE_MOTION:
{
const Float2 mousePos = window->ClientToScreen({ event.motion.x, event.motion.y });
Input::Mouse->OnMouseMove(mousePos, window);
return true;
}
case SDL_EVENT_WINDOW_MOUSE_LEAVE:
{
Input::Mouse->OnMouseLeave(window);
return true;
}
case SDL_EVENT_MOUSE_BUTTON_DOWN:
case SDL_EVENT_MOUSE_BUTTON_UP:
{
const Float2 mousePos = window->ClientToScreen({ event.button.x, event.button.y });
MouseButton button = MouseButton::None;
if (event.button.button == SDL_BUTTON_LEFT)
button = MouseButton::Left;
else if (event.button.button == SDL_BUTTON_RIGHT)
button = MouseButton::Right;
else if (event.button.button == SDL_BUTTON_MIDDLE)
button = MouseButton::Middle;
else if (event.button.button == SDL_BUTTON_X1)
button = MouseButton::Extended1;
else if (event.button.button == SDL_BUTTON_X2)
button = MouseButton::Extended2;
if (event.button.state == SDL_RELEASED)
Input::Mouse->OnMouseUp(mousePos, button, window);
// Prevent sending mouse down event when double-clicking
else if (event.button.clicks % 2 == 1)
Input::Mouse->OnMouseDown(mousePos, button, window);
else
Input::Mouse->OnMouseDoubleClick(mousePos, button, window);
return true;
}
case SDL_EVENT_MOUSE_WHEEL:
{
const Float2 mousePos = window->ClientToScreen({ event.wheel.mouse_x, event.wheel.mouse_y });
const float delta = event.wheel.y;
Input::Mouse->OnMouseWheel(mousePos, delta, window);
return true;
}
case SDL_EVENT_KEY_DOWN:
case SDL_EVENT_KEY_UP:
{
// TODO: scancode support
KeyboardKeys key = SDL_TO_FLAX_KEYS_MAP[event.key.scancode];
//event.key.mod
if (event.key.state == SDL_RELEASED)
Input::Keyboard->OnKeyUp(key, window);
else
Input::Keyboard->OnKeyDown(key, window);
return true;
}
case SDL_EVENT_TEXT_EDITING:
{
auto edit = event.edit;
return true;
}
case SDL_EVENT_TEXT_INPUT:
{
String text(event.text.text);
for (int i = 0; i < text.Length(); i++)
{
Input::Keyboard->OnCharInput(text[i], window);
}
return true;
}
case SDL_EVENT_GAMEPAD_AXIS_MOTION:
{
SDLGamepad* gamepad = SDLGamepad::GetGamepadById(event.gaxis.which);
SDL_GamepadAxis axis = (SDL_GamepadAxis)event.gaxis.axis;
gamepad->OnAxisMotion(axis, event.gaxis.value);
LOG(Info, "SDL_EVENT_GAMEPAD_AXIS_MOTION");
break;
}
case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
case SDL_EVENT_GAMEPAD_BUTTON_UP:
{
SDLGamepad* gamepad = SDLGamepad::GetGamepadById(event.gbutton.which);
SDL_GamepadButton button = (SDL_GamepadButton)event.gbutton.button;
gamepad->OnButtonState(button, event.gbutton.state);
LOG(Info, "SDL_EVENT_GAMEPAD_BUTTON_");
break;
}
case SDL_EVENT_GAMEPAD_ADDED:
{
Input::Gamepads.Add(New<SDLGamepad>(event.gdevice.which));
Input::OnGamepadsChanged();
LOG(Info, "SDL_EVENT_GAMEPAD_ADDED");
break;
}
case SDL_EVENT_GAMEPAD_REMOVED:
{
for (int i = 0; i < Input::Gamepads.Count(); i++)
{
SDLGamepad* gamepad = static_cast<SDLGamepad*>(Input::Gamepads[i]);
if (gamepad->GetJoystickInstanceId() == event.gdevice.which)
{
Input::Gamepads[i]->DeleteObject();
Input::Gamepads.RemoveAtKeepOrder(i);
Input::OnGamepadsChanged();
break;
}
}
LOG(Info, "SDL_EVENT_GAMEPAD_REMOVED");
break;
}
case SDL_EVENT_GAMEPAD_REMAPPED:
{
auto ev = event.gdevice;
LOG(Info, "SDL_EVENT_GAMEPAD_REMAPPED");
break;
}
case SDL_EVENT_GAMEPAD_TOUCHPAD_DOWN:
{
LOG(Info, "SDL_EVENT_GAMEPAD_TOUCHPAD_DOWN");
break;
}
case SDL_EVENT_GAMEPAD_TOUCHPAD_MOTION:
{
LOG(Info, "SDL_EVENT_GAMEPAD_TOUCHPAD_MOTION");
break;
}
case SDL_EVENT_GAMEPAD_TOUCHPAD_UP:
{
LOG(Info, "SDL_EVENT_GAMEPAD_TOUCHPAD_UP");
break;
}
case SDL_EVENT_GAMEPAD_SENSOR_UPDATE:
{
LOG(Info, "SDL_EVENT_GAMEPAD_SENSOR_UPDATE");
break;
}
case SDL_EVENT_GAMEPAD_STEAM_HANDLE_UPDATED:
{
auto ev = event.gdevice;
LOG(Info, "SDL_EVENT_GAMEPAD_STEAM_HANDLE_UPDATED");
break;
}
}
return false;
}
Guid GetGamepadGuid(SDL_JoystickID instanceId)
{
SDL_GUID joystickGuid = SDL_GetGamepadGUIDForID(instanceId);
Guid guid;
Platform::MemoryCopy(&guid.Raw, joystickGuid.data, sizeof(uint8) * 16);
return guid;
}
SDLGamepad::SDLGamepad(SDL_JoystickID instanceId)
: SDLGamepad(SDL_OpenGamepad(instanceId), instanceId)
{
}
SDLGamepad::SDLGamepad(SDL_Gamepad* gamepad, SDL_JoystickID instanceId)
: Gamepad(GetGamepadGuid(instanceId), String(SDL_GetGamepadName(gamepad)))
, _gamepad(gamepad)
, _instanceId(instanceId)
{
SDLInputImpl::Gamepads.Add(_instanceId, this);
}
SDLGamepad::~SDLGamepad()
{
SDL_CloseGamepad(_gamepad);
SDLInputImpl::Gamepads.Remove(_instanceId);
}
void SDLGamepad::SetVibration(const GamepadVibrationState& state)
{
Gamepad::SetVibration(state);
}
bool SDLGamepad::UpdateState()
{
return false;
}
void SDLGamepad::OnAxisMotion(SDL_GamepadAxis sdlAxis, int16 value)
{
GamepadAxis axis;
int16 deadzone = 1; // SDL reports -1 for centered axis?
float valueNormalized = NormalizeAxisValue(value);
switch (sdlAxis)
{
case SDL_GAMEPAD_AXIS_LEFTX:
axis = GamepadAxis::LeftStickX;
deadzone = LEFT_STICK_THRESHOLD;
_state.Buttons[(int32)GamepadButton::LeftStickLeft] = value > LEFT_STICK_THRESHOLD;
_state.Buttons[(int32)GamepadButton::LeftStickRight] = value < -LEFT_STICK_THRESHOLD;
break;
case SDL_GAMEPAD_AXIS_LEFTY:
axis = GamepadAxis::LeftStickY;
deadzone = LEFT_STICK_THRESHOLD;
_state.Buttons[(int32)GamepadButton::LeftStickUp] = value < -LEFT_STICK_THRESHOLD;
_state.Buttons[(int32)GamepadButton::LeftStickDown] = value > LEFT_STICK_THRESHOLD;
valueNormalized = -valueNormalized;
break;
case SDL_GAMEPAD_AXIS_RIGHTX:
deadzone = RIGHT_STICK_THRESHOLD;
axis = GamepadAxis::RightStickX;
_state.Buttons[(int32)GamepadButton::RightStickLeft] = value > RIGHT_STICK_THRESHOLD;
_state.Buttons[(int32)GamepadButton::RightStickRight] = value < -RIGHT_STICK_THRESHOLD;
break;
case SDL_GAMEPAD_AXIS_RIGHTY:
deadzone = RIGHT_STICK_THRESHOLD;
axis = GamepadAxis::RightStickY;
_state.Buttons[(int32)GamepadButton::RightStickUp] = value < -RIGHT_STICK_THRESHOLD;
_state.Buttons[(int32)GamepadButton::RightStickDown] = value > RIGHT_STICK_THRESHOLD;
valueNormalized = -valueNormalized;
break;
case SDL_GAMEPAD_AXIS_LEFT_TRIGGER:
deadzone = TRIGGER_THRESHOLD;
axis = GamepadAxis::LeftTrigger;
_state.Buttons[(int32)GamepadButton::LeftTrigger] = value > TRIGGER_THRESHOLD;
break;
case SDL_GAMEPAD_AXIS_RIGHT_TRIGGER:
deadzone = TRIGGER_THRESHOLD;
axis = GamepadAxis::RightTrigger;
_state.Buttons[(int32)GamepadButton::RightTrigger] = value > TRIGGER_THRESHOLD;
break;
default:
return;
}
if (value <= deadzone && value >= -deadzone)
valueNormalized = 0.0f;
_state.Axis[(int32)axis] = valueNormalized;
}
void SDLGamepad::OnButtonState(SDL_GamepadButton sdlButton, uint8 state)
{
switch (sdlButton)
{
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_SOUTH:
_state.Buttons[(int32)GamepadButton::A] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_EAST:
_state.Buttons[(int32)GamepadButton::B] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_WEST:
_state.Buttons[(int32)GamepadButton::X] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_NORTH:
_state.Buttons[(int32)GamepadButton::Y] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_LEFT_SHOULDER:
_state.Buttons[(int32)GamepadButton::LeftShoulder] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER:
_state.Buttons[(int32)GamepadButton::RightShoulder] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_BACK:
_state.Buttons[(int32)GamepadButton::Back] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_START:
_state.Buttons[(int32)GamepadButton::Start] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_LEFT_STICK:
_state.Buttons[(int32)GamepadButton::LeftThumb] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_RIGHT_STICK:
_state.Buttons[(int32)GamepadButton::RightThumb] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_DPAD_UP:
_state.Buttons[(int32)GamepadButton::DPadUp] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_DPAD_DOWN:
_state.Buttons[(int32)GamepadButton::DPadDown] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_DPAD_LEFT:
_state.Buttons[(int32)GamepadButton::DPadLeft] = state == SDL_PRESSED;
break;
case SDL_GamepadButton::SDL_GAMEPAD_BUTTON_DPAD_RIGHT:
_state.Buttons[(int32)GamepadButton::DPadRight] = state == SDL_PRESSED;
break;
}
}
#endif

22
Source/Engine/Platform/SDL/SDLInput.h Normal file
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// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#pragma once
#if PLATFORM_SDL
class SDLWindow;
union SDL_Event;
/// <summary>
/// SDL specific implementation of the input system parts.
/// </summary>
class SDLInput
{
public:
static void Init();
static void Update();
static bool HandleEvent(SDLWindow* window, SDL_Event& event);
};
#endif

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Source/Engine/Platform/SDL/SDLPlatform.Linux.cpp Normal file
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// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#if PLATFORM_SDL && PLATFORM_LINUX
#include "Engine/Platform/Platform.h"
#include "SDLWindow.h"
#include "Engine/Platform/IGuiData.h"
#include "Engine/Engine/Engine.h"
#include "Engine/Platform/SDL/SDLClipboard.h"
#include "Engine/Profiler/ProfilerCPU.h"
#include "Engine/Core/Log.h"
#include "Engine/Core/Collections/Array.h"
#include "Engine/Engine/CommandLine.h"
#include "Engine/Platform/WindowsManager.h"
#include "Engine/Platform/Linux/IncludeX11.h"
#include <SDL3/SDL_video.h>
#include <SDL3/SDL_system.h>
#include <SDL3/SDL_hints.h>
#include <SDL3/SDL_timer.h>
Delegate<void*> LinuxPlatform::xEventReceived;
// Missing Wayland features:
// - Application icon (xdg-toplevel-icon-v1) https://github.com/libsdl-org/SDL/pull/9584
// - Window positioning and position tracking
// - Color picker (xdg-desktop-portal?) https://flatpak.github.io/xdg-desktop-portal/docs/doc-org.freedesktop.portal.Screenshot.html
// -
namespace
{
bool UseWayland = false;
X11::Display* xDisplay = nullptr;
X11::XIM IM = nullptr;
X11::XIC IC = nullptr;
X11::Atom xAtomDeleteWindow;
X11::Atom xAtomXdndEnter;
X11::Atom xAtomXdndPosition;
X11::Atom xAtomXdndLeave;
X11::Atom xAtomXdndDrop;
X11::Atom xAtomXdndActionCopy;
X11::Atom xAtomXdndStatus;
X11::Atom xAtomXdndSelection;
X11::Atom xAtomXdndFinished;
X11::Atom xAtomXdndAware;
X11::Atom xAtomWmState;
X11::Atom xAtomWmStateHidden;
X11::Atom xAtomWmStateMaxVert;
X11::Atom xAtomWmStateMaxHorz;
X11::Atom xAtomWmWindowOpacity;
X11::Atom xAtomWmName;
X11::Atom xAtomAtom;
X11::Atom xAtomClipboard;
X11::Atom xAtomPrimary;
X11::Atom xAtomTargets;
X11::Atom xAtomText;
X11::Atom xAtomString;
X11::Atom xAtomUTF8String;
X11::Atom xAtomXselData;
X11::Atom xDnDRequested = 0;
X11::Window xDndSourceWindow = 0;
DragDropEffect xDndResult;
Float2 xDndPos;
int32 xDnDVersion = 0;
int32 XFixesSelectionNotifyEvent = 0;
}
class LinuxDropFilesData : public IGuiData
{
public:
Array<String> Files;
Type GetType() const override
{
return Type::Files;
}
String GetAsText() const override
{
return String::Empty;
}
void GetAsFiles(Array<String>* files) const override
{
files->Add(Files);
}
};
class LinuxDropTextData : public IGuiData
{
public:
StringView Text;
Type GetType() const override
{
return Type::Text;
}
String GetAsText() const override
{
return String(Text);
}
void GetAsFiles(Array<String>* files) const override
{
}
};
struct Property
{
unsigned char* data;
int format, nitems;
X11::Atom type;
};
namespace Impl
{
StringAnsi ClipboardText;
void ClipboardGetText(String& result, X11::Atom source, X11::Atom atom, X11::Window window)
{
X11::Window selectionOwner = X11::XGetSelectionOwner(xDisplay, source);
if (selectionOwner == 0)
{
// No copy owner
return;
}
if (selectionOwner == window)
{
// Copy/paste from self
result.Set(ClipboardText.Get(), ClipboardText.Length());
return;
}
// Send event to get data from the owner
int format;
unsigned long N, size;
char* data;
X11::Atom target;
X11::XEvent event;
X11::XConvertSelection(xDisplay, xAtomClipboard, atom, xAtomXselData, window, CurrentTime);
X11::XSync(xDisplay, 0);
if (X11::XCheckTypedEvent(xDisplay, SelectionNotify, &event))
{
if (event.xselection.selection != xAtomClipboard)
return;
if (event.xselection.property)
{
X11::XGetWindowProperty(event.xselection.display, event.xselection.requestor, event.xselection.property, 0L,(~0L), 0, AnyPropertyType, &target, &format, &size, &N,(unsigned char**)&data);
if (target == xAtomUTF8String || target == xAtomString)
{
// Got text to paste
result.Set(data , size);
X11::XFree(data);
}
X11::XDeleteProperty(event.xselection.display, event.xselection.requestor, event.xselection.property);
}
}
}
Property ReadProperty(X11::Display* display, X11::Window window, X11::Atom property)
{
X11::Atom readType = 0;
int readFormat = 0;
unsigned long nitems = 0;
unsigned long readBytes = 0;
unsigned char* result = nullptr;
int bytesCount = 1024;
if (property != 0)
{
do
{
if (result != nullptr)
X11::XFree(result);
XGetWindowProperty(display, window, property, 0, bytesCount, 0, AnyPropertyType, &readType, &readFormat, &nitems, &readBytes, &result);
bytesCount *= 2;
} while (readBytes != 0);
}
Property p = { result, readFormat, (int)nitems, readType };
return p;
}
static X11::Atom SelectTargetFromList(X11::Display* display, const char* targetType, X11::Atom* list, int count)
{
for (int i = 0; i < count; i++)
{
X11::Atom atom = list[i];
if (atom != 0 && StringAnsi(XGetAtomName(display, atom)) == targetType)
return atom;
}
return 0;
}
static X11::Atom SelectTargetFromAtoms(X11::Display* display, const char* targetType, X11::Atom t1, X11::Atom t2, X11::Atom t3)
{
if (t1 != 0 && StringAnsi(XGetAtomName(display, t1)) == targetType)
return t1;
if (t2 != 0 && StringAnsi(XGetAtomName(display, t2)) == targetType)
return t2;
if (t3 != 0 && StringAnsi(XGetAtomName(display, t3)) == targetType)
return t3;
return 0;
}
static X11::Window FindAppWindow(X11::Display* display, X11::Window w)
{
int nprops, i = 0;
X11::Atom* a;
if (w == 0)
return 0;
a = X11::XListProperties(display, w, &nprops);
for (i = 0; i < nprops; i++)
{
if (a[i] == xAtomXdndAware)
break;
}
if (nprops)
X11::XFree(a);
if (i != nprops)
return w;
X11::Window child, wtmp;
int tmp;
unsigned int utmp;
X11::XQueryPointer(display, w, &wtmp, &child, &tmp, &tmp, &tmp, &tmp, &utmp);
return FindAppWindow(display, child);
}
static Float2 GetX11MousePosition()
{
if (!xDisplay)
return Float2::Zero;
int32 x = 0, y = 0;
uint32 screenCount = (uint32)X11::XScreenCount(xDisplay);
for (uint32 i = 0; i < screenCount; i++)
{
X11::Window outRoot, outChild;
int32 childX, childY;
uint32 mask;
if (X11::XQueryPointer(xDisplay, X11::XRootWindow(xDisplay, i), &outRoot, &outChild, &x, &y, &childX, &childY, &mask))
break;
}
return Float2((float)x, (float)y);
}
}
DragDropEffect Window::DoDragDrop(const StringView& data)
{
if (CommandLine::Options.Headless)
return DragDropEffect::None;
if (UseWayland)
return DoDragDropWayland(data);
else
return DoDragDropX11(data);
}
DragDropEffect Window::DoDragDropWayland(const StringView& data)
{
// TODO: Wayland
ASSERT(false);
return DragDropEffect::None;
}
DragDropEffect Window::DoDragDropX11(const StringView& data)
{
auto cursorWrong = X11::XCreateFontCursor(xDisplay, 54);
auto cursorTransient = X11::XCreateFontCursor(xDisplay, 24);
auto cursorGood = X11::XCreateFontCursor(xDisplay, 4);
Array<X11::Atom, FixedAllocation<3>> formats;
formats.Add(X11::XInternAtom(xDisplay, "text/plain", 0));
formats.Add(xAtomText);
formats.Add(xAtomString);
StringAnsi dataAnsi(data);
LinuxDropTextData dropData;
dropData.Text = data;
#if !PLATFORM_SDL
X11::Window mainWindow = _window;
#else
X11::Window mainWindow = static_cast<X11::Window>(GetX11WindowHandle());
#endif
// Make sure SDL hasn't grabbed the pointer, and force ungrab it
XUngrabPointer(xDisplay, CurrentTime);
SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, "0");
// Begin dragging
auto screen = X11::XDefaultScreen(xDisplay);
auto rootWindow = X11::XRootWindow(xDisplay, screen);
if (X11::XGrabPointer(xDisplay, mainWindow, 1, Button1MotionMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, rootWindow, cursorWrong, CurrentTime) != GrabSuccess)
{
SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, "1");
return DragDropEffect::None;
}
X11::XSetSelectionOwner(xDisplay, xAtomXdndSelection, mainWindow, CurrentTime);
// Process events
X11::XEvent event;
enum Status
{
Unaware,
Unreceptive,
CanDrop,
};
int status = Unaware, previousVersion = -1;
X11::Window previousWindow = 0;
DragDropEffect result = DragDropEffect::None;
float lastDraw = Platform::GetTimeSeconds();
float startTime = lastDraw;
while (true)
{
X11::XNextEvent(xDisplay, &event);
if (event.type == SelectionClear)
break;
if (event.type == SelectionRequest)
{
// Extract the relavent data
X11::Window owner = event.xselectionrequest.owner;
X11::Atom selection = event.xselectionrequest.selection;
X11::Atom target = event.xselectionrequest.target;
X11::Atom property = event.xselectionrequest.property;
X11::Window requestor = event.xselectionrequest.requestor;
X11::Time timestamp = event.xselectionrequest.time;
X11::Display* disp = event.xselection.display;
X11::XEvent s;
s.xselection.type = SelectionNotify;
s.xselection.requestor = requestor;
s.xselection.selection = selection;
s.xselection.target = target;
s.xselection.property = 0;
s.xselection.time = timestamp;
if (target == xAtomTargets)
{
Array<X11::Atom> targets;
targets.Add(target);
targets.Add(X11::XInternAtom(disp, "MULTIPLE", 0));
targets.Add(formats.Get(), formats.Count());
X11::XChangeProperty(disp, requestor, property, xAtomAtom, 32, PropModeReplace, (unsigned char*)targets.Get(), targets.Count());
s.xselection.property = property;
}
else if (formats.Contains(target))
{
s.xselection.property = property;
X11::XChangeProperty(disp, requestor, property, target, 8, PropModeReplace, reinterpret_cast<const unsigned char*>(dataAnsi.Get()), dataAnsi.Length());
}
X11::XSendEvent(event.xselection.display, event.xselectionrequest.requestor, 1, 0, &s);
}
else if (event.type == MotionNotify)
{
// Find window under mouse
auto window = Impl::FindAppWindow(xDisplay, rootWindow);
int fmt, version = -1;
X11::Atom atmp;
unsigned long nitems, bytesLeft;
unsigned char* data = nullptr;
if (window == previousWindow)
version = previousVersion;
else if(window == 0)
;
else if (X11::XGetWindowProperty(xDisplay, window, xAtomXdndAware, 0, 2, 0, AnyPropertyType, &atmp, &fmt, &nitems, &bytesLeft, &data) != Success)
continue;
else if (data == 0)
continue;
else if (fmt != 32)
continue;
else if (nitems != 1)
continue;
else
version = data[0];
if (status == Unaware && version != -1)
status = Unreceptive;
else if(version == -1)
status = Unaware;
xDndPos = Float2((float)event.xmotion.x_root, (float)event.xmotion.y_root);
// Update mouse grab
if (status == Unaware)
X11::XChangeActivePointerGrab(xDisplay, Button1MotionMask | ButtonReleaseMask, cursorWrong, CurrentTime);
else if(status == Unreceptive)
X11::XChangeActivePointerGrab(xDisplay, Button1MotionMask | ButtonReleaseMask, cursorTransient, CurrentTime);
else
X11::XChangeActivePointerGrab(xDisplay, Button1MotionMask | ButtonReleaseMask, cursorGood, CurrentTime);
if (window != previousWindow && previousVersion != -1)
{
// Send drag left event
auto ww = WindowsManager::GetByNativePtr((void*)previousWindow);
if (ww)
{
ww->_dragOver = false;
ww->OnDragLeave();
}
else
{
X11::XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = event.xclient.display;
m.window = previousWindow;
m.message_type = xAtomXdndLeave;
m.format = 32;
m.data.l[0] = mainWindow;
m.data.l[1] = 0;
m.data.l[2] = 0;
m.data.l[3] = 0;
m.data.l[4] = 0;
X11::XSendEvent(xDisplay, previousWindow, 0, NoEventMask, (X11::XEvent*)&m);
X11::XFlush(xDisplay);
}
}
if (window != previousWindow && version != -1)
{
// Send drag enter event
auto ww = WindowsManager::GetByNativePtr((void*)window);
if (ww)
{
xDndPos = ww->ScreenToClient(Impl::GetX11MousePosition());
xDndResult = DragDropEffect::None;
ww->OnDragEnter(&dropData, xDndPos, xDndResult);
}
else
{
X11::XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = event.xclient.display;
m.window = window;
m.message_type = xAtomXdndEnter;
m.format = 32;
m.data.l[0] = mainWindow;
m.data.l[1] = Math::Min(5, version) << 24 | (formats.Count() > 3);
m.data.l[2] = formats.Count() > 0 ? formats[0] : 0;
m.data.l[3] = formats.Count() > 1 ? formats[1] : 0;
m.data.l[4] = formats.Count() > 2 ? formats[2] : 0;
X11::XSendEvent(xDisplay, window, 0, NoEventMask, (X11::XEvent*)&m);
X11::XFlush(xDisplay);
}
}
if (version != -1)
{
// Send position event
auto ww = WindowsManager::GetByNativePtr((void*)window);
if (ww)
{
xDndPos = ww->ScreenToClient(Impl::GetX11MousePosition());
ww->_dragOver = true;
xDndResult = DragDropEffect::None;
ww->OnDragOver(&dropData, xDndPos, xDndResult);
status = CanDrop;
}
else
{
int x, y, tmp;
unsigned int utmp;
X11::Window wtmp;
X11::XQueryPointer(xDisplay, window, &wtmp, &wtmp, &tmp, &tmp, &x, &y, &utmp);
X11::XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = event.xclient.display;
m.window = window;
m.message_type = xAtomXdndPosition;
m.format = 32;
m.data.l[0] = mainWindow;
m.data.l[1] = 0;
m.data.l[2] = (x << 16) | y;
m.data.l[3] = CurrentTime;
m.data.l[4] = xAtomXdndActionCopy;
X11::XSendEvent(xDisplay, window, 0, NoEventMask, (X11::XEvent*)&m);
X11::XFlush(xDisplay);
}
}
previousWindow = window;
previousVersion = version;
}
else if (event.type == ClientMessage && event.xclient.message_type == xAtomXdndStatus)
{
if ((event.xclient.data.l[1]&1) && status != Unaware)
status = CanDrop;
if (!(event.xclient.data.l[1]&1) && status != Unaware)
status = Unreceptive;
}
else if (event.type == ButtonRelease && event.xbutton.button == Button1)
{
if (status == CanDrop)
{
// Send drop event
auto ww = WindowsManager::GetByNativePtr((void*)previousWindow);
if (ww)
{
xDndPos = ww->ScreenToClient(Impl::GetX11MousePosition());
xDndResult = DragDropEffect::None;
ww->OnDragDrop(&dropData, xDndPos, xDndResult);
ww->Focus();
result = xDndResult;
}
else
{
X11::XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = event.xclient.display;
m.window = previousWindow;
m.message_type = xAtomXdndDrop;
m.format = 32;
m.data.l[0] = mainWindow;
m.data.l[1] = 0;
m.data.l[2] = CurrentTime;
m.data.l[3] = 0;
m.data.l[4] = 0;
X11::XSendEvent(xDisplay, previousWindow, 0, NoEventMask, (X11::XEvent*)&m);
X11::XFlush(xDisplay);
result = DragDropEffect::Copy;
}
}
break;
}
// Redraw
const float time = Platform::GetTimeSeconds();
if (time - lastDraw >= 1.0f / 20.0f)
{
lastDraw = time;
Engine::OnDraw();
}
// Prevent dead-loop
if (time - startTime >= 10.0f)
{
LOG(Warning, "DoDragDrop timed out after 10 seconds.");
break;
}
}
// Drag end
if (previousWindow != 0 && previousVersion != -1)
{
// Send drag left event
auto ww = WindowsManager::GetByNativePtr((void*)previousWindow);
if (ww)
{
ww->_dragOver = false;
ww->OnDragLeave();
}
else
{
X11::XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = event.xclient.display;
m.window = previousWindow;
m.message_type = xAtomXdndLeave;
m.format = 32;
m.data.l[0] = mainWindow;
m.data.l[1] = 0;
m.data.l[2] = 0;
m.data.l[3] = 0;
m.data.l[4] = 0;
X11::XSendEvent(xDisplay, previousWindow, 0, NoEventMask, (X11::XEvent*)&m);
X11::XFlush(xDisplay);
}
}
// End grabbing
X11::XChangeActivePointerGrab(xDisplay, Button1MotionMask | ButtonReleaseMask, 0, CurrentTime);
XUngrabPointer(xDisplay, CurrentTime);
X11::XFlush(xDisplay);
SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, "1");
return result;
}
void SDLClipboard::Clear()
{
SetText(StringView::Empty);
}
void SDLClipboard::SetText(const StringView& text)
{
if (CommandLine::Options.Headless)
return;
auto mainWindow = Engine::MainWindow;
if (!mainWindow)
return;
if (xDisplay)
{
X11::Window window = (X11::Window)(mainWindow->GetX11WindowHandle());
Impl::ClipboardText.Set(text.Get(), text.Length());
X11::XSetSelectionOwner(xDisplay, xAtomClipboard, window, CurrentTime); // CLIPBOARD
//X11::XSetSelectionOwner(xDisplay, xAtomPrimary, window, CurrentTime); // XA_PRIMARY
X11::XFlush(xDisplay);
X11::XGetSelectionOwner(xDisplay, xAtomClipboard);
//X11::XGetSelectionOwner(xDisplay, xAtomPrimary);
}
else
{
ASSERT(false); // TODO: Wayland
}
}
void SDLClipboard::SetRawData(const Span<byte>& data)
{
}
void SDLClipboard::SetFiles(const Array<String>& files)
{
}
String SDLClipboard::GetText()
{
if (CommandLine::Options.Headless)
return String::Empty;
String result;
auto mainWindow = Engine::MainWindow;
if (!mainWindow)
return result;
if (xDisplay)
{
X11::Window window = (X11::Window)mainWindow->GetX11WindowHandle();
Impl::ClipboardGetText(result, xAtomClipboard, xAtomUTF8String, window);
if (result.HasChars())
return result;
Impl::ClipboardGetText(result, xAtomClipboard, xAtomString, window);
if (result.HasChars())
return result;
Impl::ClipboardGetText(result, xAtomPrimary, xAtomUTF8String, window);
if (result.HasChars())
return result;
Impl::ClipboardGetText(result, xAtomPrimary, xAtomString, window);
return result;
}
else
{
ASSERT(false); // TODO: Wayland
}
}
Array<byte> SDLClipboard::GetRawData()
{
return Array<byte>();
}
Array<String> SDLClipboard::GetFiles()
{
return Array<String>();
}
SDL_bool SDLCALL SDLPlatform::X11EventHook(void *userdata, _XEvent *xevent)
{
const X11::XEvent& event = *(X11::XEvent*)xevent;
Window* window;
// External event handling
xEventReceived(xevent);
if (event.type == ClientMessage)
{
if ((uint32)event.xclient.message_type == (uint32)xAtomXdndEnter)
{
// Drag&drop enter
X11::Window source = event.xclient.data.l[0];
xDnDVersion = (int32)(event.xclient.data.l[1] >> 24);
const char* targetTypeFiles = "text/uri-list";
if (event.xclient.data.l[1] & 1)
{
Property p = Impl::ReadProperty(xDisplay, source, XInternAtom(xDisplay, "XdndTypeList", 0));
xDnDRequested = Impl::SelectTargetFromList(xDisplay, targetTypeFiles, (X11::Atom*)p.data, p.nitems);
X11::XFree(p.data);
}
else
{
xDnDRequested = Impl::SelectTargetFromAtoms(xDisplay, targetTypeFiles, event.xclient.data.l[2], event.xclient.data.l[3], event.xclient.data.l[4]);
}
return SDL_FALSE;
}
else if ((uint32)event.xclient.message_type == (uint32)xAtomXdndPosition)
{
// Drag&drop move
X11::XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = event.xclient.display;
m.window = event.xclient.data.l[0];
m.message_type = xAtomXdndStatus;
m.format = 32;
m.data.l[0] = event.xany.window;
m.data.l[1] = (xDnDRequested != 0);
m.data.l[2] = 0;
m.data.l[3] = 0;
m.data.l[4] = xAtomXdndActionCopy;
X11::XSendEvent(xDisplay, event.xclient.data.l[0], 0, NoEventMask, (X11::XEvent*)&m);
X11::XFlush(xDisplay);
xDndPos = Float2((float)(event.xclient.data.l[2] >> 16), (float)(event.xclient.data.l[2] & 0xffff));
window = WindowsManager::GetByNativePtr((void*)event.xany.window);
if (window)
{
LinuxDropFilesData dropData;
xDndResult = DragDropEffect::None;
if (window->_dragOver)
{
window->OnDragOver(&dropData, xDndPos, xDndResult);
}
else
{
window->_dragOver = true;
window->OnDragEnter(&dropData, xDndPos, xDndResult);
}
}
return SDL_FALSE;
}
else if ((uint32)event.xclient.message_type == (uint32)xAtomXdndLeave)
{
window = WindowsManager::GetByNativePtr((void*)event.xany.window);
if (window && window->_dragOver)
{
window->_dragOver = false;
window->OnDragLeave();
}
return SDL_FALSE;
}
else if ((uint32)event.xclient.message_type == (uint32)xAtomXdndDrop)
{
auto w = event.xany.window;
if (xDnDRequested != 0)
{
xDndSourceWindow = event.xclient.data.l[0];
if (xDnDVersion >= 1)
XConvertSelection(xDisplay, xAtomXdndSelection, xDnDRequested, xAtomPrimary, w, event.xclient.data.l[2]);
else
XConvertSelection(xDisplay, xAtomXdndSelection, xDnDRequested, xAtomPrimary, w, CurrentTime);
}
else
{
X11::XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = event.xclient.display;
m.window = event.xclient.data.l[0];
m.message_type = xAtomXdndFinished;
m.format = 32;
m.data.l[0] = w;
m.data.l[1] = 0;
m.data.l[2] = 0;
X11::XSendEvent(xDisplay, event.xclient.data.l[0], 0, NoEventMask, (X11::XEvent*)&m);
}
return SDL_FALSE;
}
}
else if (event.type == SelectionNotify)
{
if (event.xselection.target == xDnDRequested)
{
// Drag&drop
window = WindowsManager::GetByNativePtr((void*)event.xany.window);
if (window)
{
Property p = Impl::ReadProperty(xDisplay, event.xany.window, xAtomPrimary);
if (xDndResult != DragDropEffect::None)
{
LinuxDropFilesData dropData;
const String filesList((const char*)p.data);
filesList.Split('\n', dropData.Files);
for (auto& e : dropData.Files)
{
e.Replace(TEXT("file://"), TEXT(""));
e.Replace(TEXT("%20"), TEXT(" "));
e = e.TrimTrailing();
}
xDndResult = DragDropEffect::None;
window->OnDragDrop(&dropData, xDndPos, xDndResult);
}
}
X11::XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = xDisplay;
m.window = xDndSourceWindow;
m.message_type = xAtomXdndFinished;
m.format = 32;
m.data.l[0] = event.xany.window;
m.data.l[1] = 1;
m.data.l[2] = xAtomXdndActionCopy;
XSendEvent(xDisplay, xDndSourceWindow, 0, NoEventMask, (X11::XEvent*)&m);
return SDL_FALSE;
}
return SDL_FALSE;
}
else if (event.type == SelectionRequest)
{
if (event.xselectionrequest.selection != xAtomClipboard)
return SDL_FALSE;
const X11::XSelectionRequestEvent* xsr = &event.xselectionrequest;
X11::XSelectionEvent ev = { 0 };
ev.type = SelectionNotify;
ev.display = xsr->display;
ev.requestor = xsr->requestor;
ev.selection = xsr->selection;
ev.time = xsr->time;
ev.target = xsr->target;
ev.property = xsr->property;
int result = 0;
if (ev.target == xAtomTargets)
{
Array<X11::Atom, FixedAllocation<2>> types(2);
types.Add(xAtomTargets);
types.Add(xAtomUTF8String);
result = X11::XChangeProperty(xDisplay, ev.requestor, ev.property, xAtomAtom, 32, PropModeReplace, (unsigned char*)types.Get(), types.Count());
}
else if (ev.target == xAtomString || ev.target == xAtomText)
result = X11::XChangeProperty(xDisplay, ev.requestor, ev.property, xAtomString, 8, PropModeReplace, (unsigned char*)Impl::ClipboardText.Get(), Impl::ClipboardText.Length());
else if (ev.target == xAtomUTF8String)
result = X11::XChangeProperty(xDisplay, ev.requestor, ev.property, xAtomUTF8String, 8, PropModeReplace, (unsigned char*)Impl::ClipboardText.Get(), Impl::ClipboardText.Length());
else
ev.property = 0;
if ((result & 2) == 0)
X11::XSendEvent(xDisplay, ev.requestor, 0, 0, (X11::XEvent*)&ev);
return SDL_FALSE;
}
else if (event.type == SelectionClear)
return SDL_FALSE;
else if (event.type == XFixesSelectionNotifyEvent)
return SDL_FALSE;
return SDL_TRUE;
}
int X11ErrorHandler(X11::Display* display, X11::XErrorEvent* event)
{
if (event->error_code == 5)
return 0; // BadAtom (invalid Atom parameter)
char buffer[256];
XGetErrorText(display, event->error_code, buffer, sizeof(buffer));
LOG(Error, "X11 Error: {0}", String(buffer));
return 0;
}
bool SDLPlatform::InitPlatform()
{
if (LinuxPlatform::Init())
return true;
if (!CommandLine::Options.Headless)
UseWayland = strcmp(SDL_GetCurrentVideoDriver(), "wayland") == 0;
return false;
}
bool SDLPlatform::InitPlatformX11(void* display)
{
if (xDisplay || UseWayland)
return false;
// The Display instance must be the same one SDL uses internally
xDisplay = (X11::Display*)display;
SDL_SetX11EventHook((SDL_X11EventHook)&X11EventHook, nullptr);
X11::XSetErrorHandler(X11ErrorHandler);
//xDisplay = X11::XOpenDisplay(nullptr);
xAtomDeleteWindow = X11::XInternAtom(xDisplay, "WM_DELETE_WINDOW", 0);
xAtomXdndEnter = X11::XInternAtom(xDisplay, "XdndEnter", 0);
xAtomXdndPosition = X11::XInternAtom(xDisplay, "XdndPosition", 0);
xAtomXdndLeave = X11::XInternAtom(xDisplay, "XdndLeave", 0);
xAtomXdndDrop = X11::XInternAtom(xDisplay, "XdndDrop", 0);
xAtomXdndActionCopy = X11::XInternAtom(xDisplay, "XdndActionCopy", 0);
xAtomXdndStatus = X11::XInternAtom(xDisplay, "XdndStatus", 0);
xAtomXdndSelection = X11::XInternAtom(xDisplay, "XdndSelection", 0);
xAtomXdndFinished = X11::XInternAtom(xDisplay, "XdndFinished", 0);
xAtomXdndAware = X11::XInternAtom(xDisplay, "XdndAware", 0);
xAtomWmStateHidden = X11::XInternAtom(xDisplay, "_NET_WM_STATE_HIDDEN", 0);
xAtomWmStateMaxHorz = X11::XInternAtom(xDisplay, "_NET_WM_STATE_MAXIMIZED_HORZ", 0);
xAtomWmStateMaxVert = X11::XInternAtom(xDisplay, "_NET_WM_STATE_MAXIMIZED_VERT", 0);
xAtomWmWindowOpacity = X11::XInternAtom(xDisplay, "_NET_WM_WINDOW_OPACITY", 0);
xAtomWmName = X11::XInternAtom(xDisplay, "_NET_WM_NAME", 0);
xAtomAtom = static_cast<X11::Atom>(4); // XA_ATOM
xAtomClipboard = X11::XInternAtom(xDisplay, "CLIPBOARD", 0);
xAtomPrimary = static_cast<X11::Atom>(1); // XA_PRIMARY
xAtomTargets = X11::XInternAtom(xDisplay, "TARGETS", 0);
xAtomText = X11::XInternAtom(xDisplay, "TEXT", 0);
xAtomString = static_cast<X11::Atom>(31); // XA_STRING
xAtomUTF8String = X11::XInternAtom(xDisplay, "UTF8_STRING", 1);
if (xAtomUTF8String == 0)
xAtomUTF8String = xAtomString;
xAtomXselData = X11::XInternAtom(xDisplay, "XSEL_DATA", 0);
// We need to override handling of the XFixes selection tracking events from SDL
auto screen = X11::XDefaultScreen(xDisplay);
auto rootWindow = X11::XRootWindow(xDisplay, screen);
int eventBase = 0, errorBase = 0;
if (X11::XFixesQueryExtension(xDisplay, &eventBase, &errorBase))
{
XFixesSelectionNotifyEvent = eventBase + XFixesSelectionNotify;
X11::XFixesSelectSelectionInput(xDisplay, rootWindow, xAtomClipboard, XFixesSetSelectionOwnerNotifyMask);
X11::XFixesSelectSelectionInput(xDisplay, rootWindow, xAtomPrimary, XFixesSetSelectionOwnerNotifyMask);
}
return false;
}
void* SDLPlatform::GetXDisplay()
{
return xDisplay;
}
void SDLPlatform::SetHighDpiAwarenessEnabled(bool enable)
{
base::SetHighDpiAwarenessEnabled(enable);
}
bool SDLPlatform::UsesWayland()
{
return UseWayland;
}
bool SDLPlatform::UsesXWayland()
{
return false;
}
bool SDLPlatform::UsesX11()
{
return !UseWayland;
}
#endif

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// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#if PLATFORM_SDL && PLATFORM_MAC
static_assert(false, "TODO");
void SDLPlatform::SetHighDpiAwarenessEnabled(bool enable)
{
// TODO: This is now called before Platform::Init, ensure the scaling is changed accordingly during Platform::Init (see ApplePlatform::SetHighDpiAwarenessEnabled)
}
#endif

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// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#if PLATFORM_SDL && PLATFORM_WINDOWS
#include "SDLPlatform.h"
#include "Engine/Core/Collections/Array.h"
#include "Engine/Platform/WindowsManager.h"
#include "Engine/Platform/Win32/IncludeWindowsHeaders.h"
#include <SDL3/SDL_hints.h>
#include <SDL3/SDL_init.h>
#include <SDL3/SDL_system.h>
// The events for releasing the mouse during window dragging are missing, handle the mouse release event here
SDL_bool SDLCALL SDLPlatform::EventMessageHook(void* userdata, MSG* msg)
{
#define GET_WINDOW_WITH_HWND(window, hwnd) \
do { \
(window) = nullptr; \
WindowsManager::WindowsLocker.Lock(); \
for (int32 i = 0; i < WindowsManager::Windows.Count(); i++) \
{ \
if (WindowsManager::Windows[i]->GetNativePtr() == (hwnd)) \
{ \
(window) = WindowsManager::Windows[i]; \
break; \
} \
} \
WindowsManager::WindowsLocker.Unlock(); \
ASSERT((window) != nullptr); \
} while (false)
if (msg->message == WM_NCLBUTTONDOWN)
{
Window* window;
GET_WINDOW_WITH_HWND(window, msg->hwnd);
auto hit = static_cast<WindowHitCodes>(msg->wParam);
if (SDLPlatform::CheckWindowDragging(window, hit))
return SDL_FALSE;
}
return SDL_TRUE;
#undef GET_WINDOW_WITH_HWND
}
bool SDLPlatform::InitPlatform()
{
// Workaround required for handling window dragging events properly for DockHintWindow
SDL_SetWindowsMessageHook(&EventMessageHook, nullptr);
if (WindowsPlatform::Init())
return true;
return false;
}
void SDLPlatform::SetHighDpiAwarenessEnabled(bool enable)
{
// Other supported values: "permonitor", "permonitorv2"
SDL_SetHint("SDL_WINDOWS_DPI_AWARENESS", enable ? "system" : "unaware");
}
#endif

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// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#if PLATFORM_SDL
#include "SDLPlatform.h"
#include "SDLWindow.h"
#include "Engine/Core/Log.h"
#include "Engine/Input/Input.h"
#include "Engine/Input/Mouse.h"
#include "Engine/Platform/BatteryInfo.h"
#include "Engine/Platform/WindowsManager.h"
#include "Engine/Platform/SDL/SDLInput.h"
#include <SDL3/SDL_hints.h>
#include <SDL3/SDL_init.h>
#include <SDL3/SDL_misc.h>
#include <SDL3/SDL_power.h>
#include <SDL3/SDL_revision.h>
#include <SDL3/SDL_system.h>
#include <SDL3/SDL_version.h>
#if PLATFORM_LINUX
#include "Engine/Engine/CommandLine.h"
#include "Engine/Platform/MessageBox.h"
#include <SDL3/SDL_messagebox.h>
#endif
#define DefaultDPI 96
uint32 SDLPlatform::DraggedWindowId = 0;
namespace
{
int32 SystemDpi = 96;
}
bool SDLPlatform::Init()
{
#if PLATFORM_LINUX
if (CommandLine::Options.X11)
SDL_SetHintWithPriority(SDL_HINT_VIDEO_DRIVER, "x11", SDL_HINT_OVERRIDE);
else if (CommandLine::Options.Wayland)
SDL_SetHintWithPriority(SDL_HINT_VIDEO_DRIVER, "wayland", SDL_HINT_OVERRIDE);
else
SDL_SetHintWithPriority(SDL_HINT_VIDEO_DRIVER, "wayland", SDL_HINT_OVERRIDE);
#endif
#if PLATFORM_LINUX
// TODO: This should be read from the platform configuration (needed for desktop icon handling)
#if USE_EDITOR
SDL_SetHint(SDL_HINT_APP_ID, StringAnsi("com.FlaxEngine.FlaxEditor").Get());
#else
SDL_SetHint(SDL_HINT_APP_ID, StringAnsi("com.FlaxEngine.FlaxGame").Get());
#endif
#else
SDL_SetHint(SDL_HINT_APP_ID, StringAnsi(ApplicationClassName).Get());
#endif
SDL_SetHint(SDL_HINT_WINDOW_ACTIVATE_WHEN_SHOWN, "0");
SDL_SetHint(SDL_HINT_WINDOW_ACTIVATE_WHEN_RAISED, "0");
SDL_SetHint(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, "1"); // Fixes context menu focus issues when clicking unfocused menus
SDL_SetHint(SDL_HINT_WINDOWS_ERASE_BACKGROUND_MODE, "0");
SDL_SetHint(SDL_HINT_TIMER_RESOLUTION, "0"); // Already handled during platform initialization
SDL_SetHint("SDL_BORDERLESS_RESIZABLE_STYLE", "1"); // Allow borderless windows to be resizable on Windows
SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_WARP_MOTION, "0");
SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_CURSOR_VISIBLE, "1"); // Needed for tracking mode
SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_MODE_CENTER, "1");
//SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_MODE_WARP, "1"); // Disables raw mouse input
SDL_SetHint(SDL_HINT_WINDOWS_RAW_KEYBOARD, "1");
// Disable SDL clipboard support
SDL_SetEventEnabled(SDL_EVENT_CLIPBOARD_UPDATE, SDL_FALSE);
// Disable SDL drag and drop support
SDL_SetEventEnabled(SDL_EVENT_DROP_FILE, SDL_FALSE);
SDL_SetEventEnabled(SDL_EVENT_DROP_TEXT, SDL_FALSE);
SDL_SetEventEnabled(SDL_EVENT_DROP_BEGIN, SDL_FALSE);
SDL_SetEventEnabled(SDL_EVENT_DROP_COMPLETE, SDL_FALSE);
SDL_SetEventEnabled(SDL_EVENT_DROP_POSITION, SDL_FALSE);
if (SDL_InitSubSystem(SDL_INIT_VIDEO | SDL_INIT_GAMEPAD) < 0)
Platform::Fatal(String::Format(TEXT("Failed to initialize SDL: {0}."), String(SDL_GetError())));
if (InitPlatform())
return true;
SDLInput::Init();
SystemDpi = (int)(SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay()) * DefaultDPI);
//SDL_StartTextInput(); // TODO: Call this only when text input is expected (shows virtual keyboard in some cases)
return base::Init();
}
void SDLPlatform::LogInfo()
{
base::LogInfo();
const int32 runtimeVersion = SDL_GetVersion();
LOG(Info, "Using SDL version {}.{}.{} ({}), runtime: {}.{}.{} ({})",
SDL_VERSIONNUM_MAJOR(SDL_VERSION), SDL_VERSIONNUM_MINOR(SDL_VERSION), SDL_VERSIONNUM_MICRO(SDL_VERSION), String(SDL_REVISION),
SDL_VERSIONNUM_MAJOR(runtimeVersion), SDL_VERSIONNUM_MINOR(runtimeVersion), SDL_VERSIONNUM_MICRO(runtimeVersion), String(SDL_GetRevision()));
}
bool SDLPlatform::CheckWindowDragging(Window* window, WindowHitCodes hit)
{
bool handled = false;
window->OnLeftButtonHit(hit, handled);
if (handled)
{
DraggedWindowId = window->_windowId;
LOG(Info, "Dragging: {}", window->_settings.Title);
String dockHintWindow("DockHint.Window");
Window* window = nullptr;
WindowsManager::WindowsLocker.Lock();
for (int32 i = 0; i < WindowsManager::Windows.Count(); i++)
{
if (WindowsManager::Windows[i]->_title.Compare(dockHintWindow) == 0)
//if (WindowsManager::Windows[i]->_windowId == DraggedWindowId)
{
window = WindowsManager::Windows[i];
break;
}
}
WindowsManager::WindowsLocker.Unlock();
Float2 mousePos;
auto buttons = SDL_GetGlobalMouseState(&mousePos.X, &mousePos.Y);
if (window != nullptr)
{
/*int top, left, bottom, right;
SDL_GetWindowBordersSize(window->_window, &top, &left, &bottom, &right);
mousePos += Float2(left, -top);
Input::Mouse->OnMouseDown(mousePos, MouseButton::Left, window);*/
}
}
return handled;
}
void SDLPlatform::Tick()
{
SDLInput::Update();
if (DraggedWindowId != 0)
{
Float2 mousePos;
auto buttons = SDL_GetGlobalMouseState(&mousePos.X, &mousePos.Y);
if (!(buttons & SDL_BUTTON(SDL_BUTTON_LEFT)))
{
Window* window = nullptr;
WindowsManager::WindowsLocker.Lock();
for (int32 i = 0; i < WindowsManager::Windows.Count(); i++)
{
if (WindowsManager::Windows[i]->_windowId == DraggedWindowId)
{
window = WindowsManager::Windows[i];
break;
}
}
WindowsManager::WindowsLocker.Unlock();
if (window != nullptr)
{
int top, left, bottom, right;
SDL_GetWindowBordersSize(window->_window, &top, &left, &bottom, &right);
mousePos += Float2(static_cast<float>(left), static_cast<float>(-top));
Input::Mouse->OnMouseUp(mousePos, MouseButton::Left, window);
}
DraggedWindowId = 0;
}
else
{
#if PLATFORM_LINUX
String dockHintWindow("DockHint.Window");
Window* window = nullptr;
WindowsManager::WindowsLocker.Lock();
for (int32 i = 0; i < WindowsManager::Windows.Count(); i++)
{
if (WindowsManager::Windows[i]->_title.Compare(dockHintWindow) == 0)
//if (WindowsManager::Windows[i]->_windowId == DraggedWindowId)
{
window = WindowsManager::Windows[i];
break;
}
}
WindowsManager::WindowsLocker.Unlock();
if (window != nullptr)
{
int top, left, bottom, right;
SDL_GetWindowBordersSize(window->_window, &top, &left, &bottom, &right);
mousePos += Float2(static_cast<float>(left), static_cast<float>(-top));
Input::Mouse->OnMouseMove(mousePos, window);
}
#endif
}
}
SDL_PumpEvents();
SDL_Event events[32];
int count;
while ((count = SDL_PeepEvents(events, SDL_arraysize(events), SDL_GETEVENT, SDL_EVENT_FIRST, SDL_EVENT_LAST)))
{
for (int i = 0; i < count; ++i)
{
SDLWindow* window = SDLWindow::GetWindowFromEvent(events[i]);
if (window)
window->HandleEvent(events[i]);
else if (events[i].type >= SDL_EVENT_JOYSTICK_AXIS_MOTION && events[i].type <= SDL_EVENT_GAMEPAD_STEAM_HANDLE_UPDATED)
SDLInput::HandleEvent(nullptr, events[i]);
else
SDLPlatform::HandleEvent(events[i]);
}
SDL_PumpEvents();
}
}
bool SDLPlatform::HandleEvent(SDL_Event& event)
{
return true;
}
BatteryInfo SDLPlatform::GetBatteryInfo()
{
BatteryInfo info;
int percentage;
SDL_PowerState powerState = SDL_GetPowerInfo(nullptr, &percentage);
if (percentage < 0)
info.BatteryLifePercent = 1.0f;
else
info.BatteryLifePercent = (float)percentage / 100.0f;
switch (powerState)
{
case SDL_POWERSTATE_CHARGING:
info.State = BatteryInfo::States::BatteryCharging;
break;
case SDL_POWERSTATE_ON_BATTERY:
info.State = BatteryInfo::States::BatteryDischarging;
break;
case SDL_POWERSTATE_CHARGED:
info.State = BatteryInfo::States::Connected;
break;
default:
info.State = BatteryInfo::States::Unknown;
}
return info;
}
int32 SDLPlatform::GetDpi()
{
return SystemDpi;
}
void SDLPlatform::OpenUrl(const StringView& url)
{
StringAnsi urlStr(url);
SDL_OpenURL(urlStr.GetText());
}
Float2 SDLPlatform::GetMousePosition()
{
Float2 pos;
SDL_GetGlobalMouseState(&pos.X, &pos.Y);
return pos;
}
void SDLPlatform::SetMousePosition(const Float2& pos)
{
SDL_WarpMouseGlobal(pos.X, pos.Y);
}
Float2 SDLPlatform::GetDesktopSize()
{
SDL_Rect rect;
SDL_GetDisplayBounds(SDL_GetPrimaryDisplay(), &rect);
return Float2(static_cast<float>(rect.w), static_cast<float>(rect.h));
}
Rectangle SDLPlatform::GetMonitorBounds(const Float2& screenPos)
{
SDL_Point point{ (int32)screenPos.X, (int32)screenPos.Y };
SDL_DisplayID display = SDL_GetDisplayForPoint(&point);
SDL_Rect rect;
SDL_GetDisplayBounds(display, &rect);
return Rectangle(static_cast<float>(rect.x), static_cast<float>(rect.y), static_cast<float>(rect.w), static_cast<float>(rect.h));
}
Rectangle SDLPlatform::GetVirtualDesktopBounds()
{
int count;
const SDL_DisplayID* displays = SDL_GetDisplays(&count);
if (displays == nullptr)
return Rectangle::Empty;
Rectangle bounds = Rectangle::Empty;
for (int i = 0; i < count; i++)
{
SDL_DisplayID display = displays[i];
SDL_Rect rect;
SDL_GetDisplayBounds(display, &rect);
bounds = Rectangle::Union(bounds, Rectangle(static_cast<float>(rect.x), static_cast<float>(rect.y), static_cast<float>(rect.w), static_cast<float>(rect.h)));
}
return bounds;
}
Window* SDLPlatform::CreateWindow(const CreateWindowSettings& settings)
{
return New<SDLWindow>(settings);
}
#if !PLATFORM_LINUX
bool SDLPlatform::UsesWayland()
{
return false;
}
bool SDLPlatform::UsesXWayland()
{
return false;
}
bool SDLPlatform::UsesX11()
{
return false;
}
#endif
#if PLATFORM_LINUX
DialogResult MessageBox::Show(Window* parent, const StringView& text, const StringView& caption, MessageBoxButtons buttons, MessageBoxIcon icon)
{
StringAnsi textAnsi(text);
StringAnsi captionAnsi(caption);
SDL_MessageBoxData data;
SDL_MessageBoxButtonData dataButtons[3];
data.window = parent ? static_cast<SDLWindow*>(parent)->_window : nullptr;
data.title = captionAnsi.GetText();
data.message = textAnsi.GetText();
data.colorScheme = nullptr;
switch (icon)
{
case MessageBoxIcon::Error:
case MessageBoxIcon::Hand:
case MessageBoxIcon::Stop:
data.flags |= SDL_MESSAGEBOX_ERROR;
break;
case MessageBoxIcon::Asterisk:
case MessageBoxIcon::Information:
case MessageBoxIcon::Question:
data.flags |= SDL_MESSAGEBOX_INFORMATION;
break;
case MessageBoxIcon::Exclamation:
case MessageBoxIcon::Warning:
data.flags |= SDL_MESSAGEBOX_WARNING;
break;
default:
break;
}
switch (buttons)
{
case MessageBoxButtons::AbortRetryIgnore:
dataButtons[0] =
{
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
(int)DialogResult::Abort,
"Abort"
};
dataButtons[1] =
{
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
(int)DialogResult::Retry,
"Retry"
};
dataButtons[2] =
{
0,
(int)DialogResult::Ignore,
"Ignore"
};
data.numbuttons = 3;
break;
case MessageBoxButtons::OK:
dataButtons[0] =
{
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT | SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
(int)DialogResult::OK,
"OK"
};
data.numbuttons = 1;
break;
case MessageBoxButtons::OKCancel:
dataButtons[0] =
{
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
(int)DialogResult::OK,
"OK"
};
dataButtons[1] =
{
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
(int)DialogResult::Cancel,
"Cancel"
};
data.numbuttons = 2;
break;
case MessageBoxButtons::RetryCancel:
dataButtons[0] =
{
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
(int)DialogResult::Retry,
"Retry"
};
dataButtons[1] =
{
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
(int)DialogResult::Cancel,
"Cancel"
};
data.numbuttons = 2;
break;
case MessageBoxButtons::YesNo:
dataButtons[0] =
{
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
(int)DialogResult::Yes,
"Yes"
};
dataButtons[1] =
{
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
(int)DialogResult::No,
"No"
};
data.numbuttons = 2;
break;
case MessageBoxButtons::YesNoCancel:
{
dataButtons[0] =
{
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
(int)DialogResult::Yes,
"Yes"
};
dataButtons[1] =
{
0,
(int)DialogResult::No,
"No"
};
dataButtons[2] =
{
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
(int)DialogResult::Cancel,
"Cancel"
};
data.numbuttons = 3;
break;
}
default:
break;
}
data.buttons = dataButtons;
int result = -1;
if (SDL_ShowMessageBox(&data, &result) != 0)
{
LOG(Error, "Failed to show message box: {0}", String(SDL_GetError()));
return DialogResult::Abort;
}
if (result < 0)
return DialogResult::None;
return (DialogResult)result;
}
#endif
#endif

82
Source/Engine/Platform/SDL/SDLPlatform.h Normal file
View File

@@ -0,0 +1,82 @@
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#pragma once
#if PLATFORM_SDL
#include "Engine/Platform/Base/Enums.h"
#if PLATFORM_WINDOWS
#include "Engine/Platform/Windows/WindowsPlatform.h"
#elif PLATFORM_LINUX
#include "Engine/Platform/Linux/LinuxPlatform.h"
#else
#endif
class SDLWindow;
union SDL_Event;
#if PLATFORM_WINDOWS
typedef struct tagMSG MSG;
#elif PLATFORM_LINUX
union _XEvent;
#endif
/// <summary>
/// The Windows platform implementation and application management utilities.
/// </summary>
class FLAXENGINE_API SDLPlatform
#if PLATFORM_WINDOWS
: public WindowsPlatform
{
using base = WindowsPlatform;
#elif PLATFORM_LINUX
: public LinuxPlatform
{
using base = LinuxPlatform;
#else
{
#endif
friend SDLWindow;
private:
static uint32 DraggedWindowId;
private:
static bool InitPlatform();
#if PLATFORM_LINUX
static bool InitPlatformX11(void* display);
#endif
static bool HandleEvent(SDL_Event& event);
#if PLATFORM_WINDOWS
static int __cdecl EventMessageHook(void* userdata, MSG* msg);
#elif PLATFORM_LINUX
static int __cdecl X11EventHook(void *userdata, _XEvent *xevent);
#endif
public:
static bool CheckWindowDragging(Window* window, WindowHitCodes hit);
#if PLATFORM_LINUX
static void* GetXDisplay();
#endif
static bool UsesWayland();
static bool UsesXWayland();
static bool UsesX11();
public:
// [PlatformBase]
static bool Init();
static void LogInfo();
static void Tick();
static void SetHighDpiAwarenessEnabled(bool enable);
static BatteryInfo GetBatteryInfo();
static int32 GetDpi();
static void OpenUrl(const StringView& url);
static Float2 GetMousePosition();
static void SetMousePosition(const Float2& pos);
static Float2 GetDesktopSize();
static Rectangle GetMonitorBounds(const Float2& screenPos);
static Rectangle GetVirtualDesktopBounds();
static Window* CreateWindow(const CreateWindowSettings& settings);
};
#endif

1067
Source/Engine/Platform/SDL/SDLWindow.cpp Normal file
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File diff suppressed because it is too large Load Diff

120
Source/Engine/Platform/SDL/SDLWindow.h Normal file
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@@ -0,0 +1,120 @@
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#pragma once
#if PLATFORM_SDL
#include "Engine/Platform/Base/WindowBase.h"
struct SDL_Window;
union SDL_Event;
/// <summary>
/// Implementation of the window class for SDL platform
/// </summary>
class FLAXENGINE_API SDLWindow : public WindowBase
#if USE_EDITOR && PLATFORM_WINDOWS
, public Windows::IDropTarget
#endif
{
friend SDLPlatform;
#if PLATFORM_LINUX
friend LinuxPlatform;
friend class LinuxWindow;
#endif
private:
void* _handle; // Opaque, platform specific window handle
#if USE_EDITOR && PLATFORM_WINDOWS
Windows::ULONG _refCount;
#endif
#if PLATFORM_LINUX
bool _resizeDisabled, _focusOnMapped = false, _dragOver = false;
#endif
SDL_Window* _window;
uint32 _windowId;
Rectangle _clipCursorRect;
Rectangle _cachedClientRectangle;
public:
/// <summary>
/// Initializes a new instance of the <see cref="SDLWindow"/> class.
/// </summary>
/// <param name="settings">The initial window settings.</param>
SDLWindow(const CreateWindowSettings& settings);
/// <summary>
/// Finalizes an instance of the <see cref="SDLWindow"/> class.
/// </summary>
~SDLWindow();
private:
static SDLWindow* GetWindowFromEvent(const SDL_Event& event);
static SDLWindow* GetWindowWithId(uint32 windowId);
void HandleEvent(SDL_Event& event);
void CheckForWindowResize();
void UpdateCursor() const;
#if PLATFORM_LINUX
DragDropEffect DoDragDropWayland(const StringView& data);
DragDropEffect DoDragDropX11(const StringView& data);
#endif
public:
#if PLATFORM_LINUX
void* GetWaylandSurfacePtr() const;
void* GetWaylandDisplay() const;
uintptr GetX11WindowHandle() const;
void* GetX11Display() const;
#endif
// [WindowBase]
void* GetNativePtr() const override;
void Show() override;
void Hide() override;
void Minimize() override;
void Maximize() override;
void SetBorderless(bool isBorderless, bool maximized = false) override;
void Restore() override;
bool IsClosed() const override;
bool IsForegroundWindow() const override;
void BringToFront(bool force = false) override;
void SetClientBounds(const Rectangle& clientArea) override;
void SetPosition(const Float2& position) override;
void SetClientPosition(const Float2& position) override;
void SetIsFullscreen(bool isFullscreen) override;
Float2 GetPosition() const override;
Float2 GetSize() const override;
Float2 GetClientSize() const override;
Float2 ScreenToClient(const Float2& screenPos) const override;
Float2 ClientToScreen(const Float2& clientPos) const override;
void FlashWindow() override;
float GetOpacity() const override;
void SetOpacity(float opacity) override;
void Focus() override;
String GetTitle() const override;
void SetTitle(const StringView& title) override;
DragDropEffect DoDragDrop(const StringView& data) override;
void StartTrackingMouse(bool useMouseScreenOffset) override;
void EndTrackingMouse() override;
void StartClippingCursor(const Rectangle& bounds) override;
void EndClippingCursor() override;
void SetCursor(CursorType type) override;
#if USE_EDITOR && PLATFORM_WINDOWS
// [IUnknown]
Windows::HRESULT __stdcall QueryInterface(const Windows::IID& id, void** ppvObject) override;
Windows::ULONG __stdcall AddRef() override;
Windows::ULONG __stdcall Release() override;
// [Windows::IDropTarget]
Windows::HRESULT __stdcall DragEnter(Windows::IDataObject* pDataObj, Windows::DWORD grfKeyState, Windows::POINTL pt, Windows::DWORD* pdwEffect) override;
Windows::HRESULT __stdcall DragOver(Windows::DWORD grfKeyState, Windows::POINTL pt, Windows::DWORD* pdwEffect) override;
Windows::HRESULT __stdcall DragLeave() override;
Windows::HRESULT __stdcall Drop(Windows::IDataObject* pDataObj, Windows::DWORD grfKeyState, Windows::POINTL pt, Windows::DWORD* pdwEffect) override;
#endif
};
#endif

15
Source/Engine/Platform/Types.h
View File

@@ -18,10 +18,12 @@ class Win32Thread;
typedef Win32Thread Thread;
class WindowsClipboard;
typedef WindowsClipboard Clipboard;
#if !PLATFORM_SDL
class WindowsPlatform;
typedef WindowsPlatform Platform;
class WindowsWindow;
typedef WindowsWindow Window;
#endif
class Win32Network;
typedef Win32Network Network;
class UserBase;
@@ -68,12 +70,14 @@ class UnixFile;
typedef UnixFile File;
class LinuxThread;
typedef LinuxThread Thread;
#if !PLATFORM_SDL
class LinuxClipboard;
typedef LinuxClipboard Clipboard;
class LinuxPlatform;
typedef LinuxPlatform Platform;
class LinuxWindow;
typedef LinuxWindow Window;
#endif
class UnixNetwork;
typedef UnixNetwork Network;
class UserBase;
@@ -288,3 +292,14 @@ typedef UserBase User;
#error Missing Types implementation!
#endif
#if PLATFORM_SDL
#if PLATFORM_LINUX
class SDLClipboard;
typedef SDLClipboard Clipboard;
#endif
class SDLPlatform;
typedef SDLPlatform Platform;
class SDLWindow;
typedef SDLWindow Window;
#endif

4
Source/Engine/Platform/Window.h
View File

@@ -2,7 +2,9 @@
#pragma once
#if PLATFORM_WINDOWS
#if PLATFORM_SDL
#include "SDL/SDLWindow.h"
#elif PLATFORM_WINDOWS
#include "Windows/WindowsWindow.h"
#elif PLATFORM_UWP
#include "UWP/UWPWindow.h"

3
Source/Engine/Platform/Windows/WindowsFileSystem.cpp
View File

@@ -2,6 +2,7 @@
#if PLATFORM_WINDOWS
#include "WindowsWindow.h"
#include "WindowsFileSystem.h"
#include "Engine/Platform/File.h"
#include "Engine/Platform/Window.h"
@@ -317,7 +318,7 @@ bool WindowsFileSystem::ShowBrowseFolderDialog(Window* parentWindow, const Strin
if (SUCCEEDED(SHCreateItemFromParsingName(initialDirectory.Get(), NULL, IID_PPV_ARGS(&defaultFolder))))
fd->SetFolder(defaultFolder);
HWND hwndOwner = parentWindow ? parentWindow->GetHWND() : NULL;
HWND hwndOwner = parentWindow ? (HWND)parentWindow->GetNativePtr() : NULL;
if (SUCCEEDED(fd->Show(hwndOwner)))
{
ComPtr<IShellItem> si;

2
Source/Engine/Platform/Windows/WindowsInput.cpp
View File

@@ -1,6 +1,6 @@
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#if PLATFORM_WINDOWS
#if PLATFORM_WINDOWS && !PLATFORM_SDL
#include "WindowsInput.h"
#include "WindowsWindow.h"

18
Source/Engine/Platform/Windows/WindowsPlatform.cpp
View File

@@ -4,6 +4,8 @@
#include "Engine/Platform/Platform.h"
#include "Engine/Platform/Window.h"
#include "Engine/Platform/Windows/WindowsInput.h"
#include "Engine/Platform/Windows/WindowsWindow.h"
#include "Engine/Platform/FileSystem.h"
#include "Engine/Platform/CreateWindowSettings.h"
#include "Engine/Platform/CreateProcessSettings.h"
@@ -255,6 +257,8 @@ void GetWindowsVersion(String& windowsName, int32& versionMajor, int32& versionM
RegCloseKey(hKey);
}
#if !PLATFORM_SDL
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
// Find window to process that message
@@ -272,6 +276,8 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
return DefWindowProc(hwnd, msg, wParam, lParam);
}
#endif
long __stdcall WindowsPlatform::SehExceptionHandler(EXCEPTION_POINTERS* ep)
{
if (ep->ExceptionRecord->ExceptionCode == CLR_EXCEPTION)
@@ -518,6 +524,7 @@ void WindowsPlatform::PreInit(void* hInstance)
// Disable the process from being showing "ghosted" while not responding messages during slow tasks
DisableProcessWindowsGhosting();
#if !PLATFORM_SDL
// Register window class
WNDCLASS windowsClass;
Platform::MemoryClear(&windowsClass, sizeof(WNDCLASS));
@@ -532,6 +539,7 @@ void WindowsPlatform::PreInit(void* hInstance)
Error(TEXT("Window class registration failed!"));
exit(-1);
}
#endif
// Init OLE
if (OleInitialize(nullptr) != S_OK)
@@ -680,7 +688,9 @@ bool WindowsPlatform::Init()
}
OnPlatformUserAdd(New<User>(userName));
#if !PLATFORM_SDL
WindowsInput::Init();
#endif
return false;
}
@@ -708,7 +718,9 @@ void WindowsPlatform::LogInfo()
void WindowsPlatform::Tick()
{
#if !PLATFORM_SDL
WindowsInput::Update();
#endif
// Check to see if any messages are waiting in the queue
MSG msg;
@@ -739,8 +751,10 @@ void WindowsPlatform::Exit()
DbgHelpUnlock();
#endif
#if !PLATFORM_SDL
// Unregister app class
UnregisterClassW(ApplicationClassName, nullptr);
#endif
Win32Platform::Exit();
}
@@ -1185,11 +1199,15 @@ int32 WindowsPlatform::CreateProcess(CreateProcessSettings& settings)
return result;
}
#if !PLATFORM_SDL
Window* WindowsPlatform::CreateWindow(const CreateWindowSettings& settings)
{
return New<WindowsWindow>(settings);
}
#endif
void* WindowsPlatform::LoadLibrary(const Char* filename)
{
ASSERT(filename);

8
Source/Engine/Platform/Windows/WindowsWindow.DragDrop.cpp
View File

@@ -2,6 +2,10 @@
#if PLATFORM_WINDOWS
#if PLATFORM_SDL
#include "Engine/Platform/SDL/SDLWindow.h"
#endif
#include "Engine/Platform/Windows/WindowsWindow.h"
#if USE_EDITOR
@@ -596,7 +600,11 @@ DragDropEffect Window::DoDragDrop(const StringView& data)
{
::POINT point;
::GetCursorPos(&point);
#if PLATFORM_SDL
Input::Mouse->OnMouseUp(Float2((float)point.x, (float)point.y), MouseButton::Left, (Window*)this);
#else
Input::Mouse->OnMouseUp(Float2((float)point.x, (float)point.y), MouseButton::Left, this);
#endif
}
return SUCCEEDED(result) ? dropEffectFromOleEnum(dwEffect) : DragDropEffect::None;

4
Source/Engine/Platform/Windows/WindowsWindow.cpp
View File

@@ -1,6 +1,6 @@
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#if PLATFORM_WINDOWS
#if PLATFORM_WINDOWS && !PLATFORM_SDL
#include "WindowsWindow.h"
#include "WindowsPlatform.h"
@@ -1308,7 +1308,7 @@ LRESULT WindowsWindow::WndProc(UINT msg, WPARAM wParam, LPARAM lParam)
if (_settings.AllowInput)
{
if (WindowsInput::WndProc(this, msg, wParam, lParam))
if (WindowsInput::WndProc((Window*)this, msg, wParam, lParam))
return true;
}

4
Source/Engine/Platform/Windows/WindowsWindow.h
View File

@@ -2,7 +2,7 @@
#pragma once
#if PLATFORM_WINDOWS
#if PLATFORM_WINDOWS && !PLATFORM_SDL
#include "Engine/Platform/Base/WindowBase.h"
#include "Engine/Platform/Platform.h"
@@ -136,7 +136,7 @@ public:
Windows::ULONG __stdcall AddRef() override;
Windows::ULONG __stdcall Release() override;
// [IDropTarget]
// [Windows::IDropTarget]
Windows::HRESULT __stdcall DragEnter(Windows::IDataObject* pDataObj, Windows::DWORD grfKeyState, Windows::POINTL pt, Windows::DWORD* pdwEffect) override;
Windows::HRESULT __stdcall DragOver(Windows::DWORD grfKeyState, Windows::POINTL pt, Windows::DWORD* pdwEffect) override;
Windows::HRESULT __stdcall DragLeave() override;