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// Copyright 2019 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "DolphinNoGUI/Platform.h"
#include "Core/Config/MainSettings.h"
#include "Core/ConfigManager.h"
#include "Core/Core.h"
#include "Core/System.h"
#include <windows.h>
#include <climits>
#include <dwmapi.h>
#include "VideoCommon/Present.h"
#include "resource.h"
namespace
{
class PlatformWin32 final : public Platform
{
public:
~PlatformWin32() override;
bool Init() override;
void SetTitle(const std::string& string) override;
void MainLoop() override;
WindowSystemInfo GetWindowSystemInfo() const override;
private:
static constexpr TCHAR WINDOW_CLASS_NAME[] = _T("DolphinNoGUI");
static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
static bool RegisterRenderWindowClass();
bool CreateRenderWindow();
void UpdateWindowPosition();
void ProcessEvents();
HWND m_hwnd{};
int m_window_x = Config::Get(Config::MAIN_RENDER_WINDOW_XPOS);
int m_window_y = Config::Get(Config::MAIN_RENDER_WINDOW_YPOS);
int m_window_width = Config::Get(Config::MAIN_RENDER_WINDOW_WIDTH);
int m_window_height = Config::Get(Config::MAIN_RENDER_WINDOW_HEIGHT);
};
PlatformWin32::~PlatformWin32()
{
if (m_hwnd)
DestroyWindow(m_hwnd);
}
bool PlatformWin32::RegisterRenderWindowClass()
{
WNDCLASSEX wc = {};
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = GetModuleHandle(nullptr);
wc.hIcon = LoadIcon(nullptr, IDI_ICON1);
wc.hCursor = LoadCursor(nullptr, IDC_ARROW);
wc.hbrBackground = reinterpret_cast<HBRUSH>(COLOR_WINDOW + 1);
wc.lpszMenuName = nullptr;
wc.lpszClassName = WINDOW_CLASS_NAME;
wc.hIconSm = LoadIcon(nullptr, IDI_ICON1);
if (!RegisterClassEx(&wc))
{
MessageBox(nullptr, _T("Window registration failed."), _T("Error"), MB_ICONERROR | MB_OK);
return false;
}
return true;
}
bool PlatformWin32::CreateRenderWindow()
{
m_hwnd = CreateWindowEx(WS_EX_CLIENTEDGE, WINDOW_CLASS_NAME, _T("Dolphin"), WS_OVERLAPPEDWINDOW,
m_window_x < 0 ? CW_USEDEFAULT : m_window_x,
m_window_y < 0 ? CW_USEDEFAULT : m_window_y, m_window_width,
m_window_height, nullptr, nullptr, GetModuleHandle(nullptr), this);
if (!m_hwnd)
{
MessageBox(nullptr, _T("CreateWindowEx failed."), _T("Error"), MB_ICONERROR | MB_OK);
return false;
}
ShowWindow(m_hwnd, SW_SHOW);
UpdateWindow(m_hwnd);
return true;
}
bool PlatformWin32::Init()
{
if (!RegisterRenderWindowClass() || !CreateRenderWindow())
return false;
// TODO: Enter fullscreen if enabled.
if (Config::Get(Config::MAIN_FULLSCREEN))
{
ProcessEvents();
}
if (Config::Get(Config::MAIN_DISABLE_SCREENSAVER))
SetThreadExecutionState(ES_CONTINUOUS | ES_DISPLAY_REQUIRED | ES_SYSTEM_REQUIRED);
UpdateWindowPosition();
return true;
}
void PlatformWin32::SetTitle(const std::string& string)
{
SetWindowTextW(m_hwnd, UTF8ToWString(string).c_str());
}
void PlatformWin32::MainLoop()
{
while (IsRunning())
{
UpdateRunningFlag();
Core::HostDispatchJobs(Core::System::GetInstance());
ProcessEvents();
UpdateWindowPosition();
// TODO: Is this sleep appropriate?
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
}
WindowSystemInfo PlatformWin32::GetWindowSystemInfo() const
{
WindowSystemInfo wsi;
wsi.type = WindowSystemType::Windows;
wsi.render_window = reinterpret_cast<void*>(m_hwnd);
wsi.render_surface = reinterpret_cast<void*>(m_hwnd);
return wsi;
}
void PlatformWin32::UpdateWindowPosition()
{
if (m_window_fullscreen)
return;
RECT rc = {};
if (!GetWindowRect(m_hwnd, &rc))
return;
m_window_x = rc.left;
m_window_y = rc.top;
m_window_width = rc.right - rc.left;
m_window_height = rc.bottom - rc.top;
}
void PlatformWin32::ProcessEvents()
{
MSG msg;
while (PeekMessage(&msg, m_hwnd, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
LRESULT PlatformWin32::WndProc(const HWND hwnd, const UINT msg, const WPARAM wParam,
const LPARAM lParam)
{
PlatformWin32* platform = reinterpret_cast<PlatformWin32*>(GetWindowLongPtr(hwnd, GWLP_USERDATA));
switch (msg)
{
case WM_NCCREATE:
{
platform = static_cast<PlatformWin32*>(reinterpret_cast<CREATESTRUCT*>(lParam)->lpCreateParams);
SetWindowLongPtr(hwnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(platform));
return DefWindowProc(hwnd, msg, wParam, lParam);
}
case WM_CREATE:
{
if (hwnd)
{
// Remove rounded corners from the render window on Windows 11
constexpr DWM_WINDOW_CORNER_PREFERENCE corner_preference = DWMWCP_DONOTROUND;
DwmSetWindowAttribute(hwnd, DWMWA_WINDOW_CORNER_PREFERENCE, &corner_preference,
sizeof(corner_preference));
}
}
break;
case WM_SIZE:
{
if (g_presenter)
g_presenter->ResizeSurface();
}
break;
case WM_KEYDOWN:
if (wParam == VK_ESCAPE)
platform->RequestShutdown();
break;
case WM_CLOSE:
platform->RequestShutdown();
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
} // namespace
std::unique_ptr<Platform> Platform::CreateWin32Platform()
{
return std::make_unique<PlatformWin32>();
}
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