first

Windows/SDL2/main/SDL_windows.h

@@ -0,0 +1,169 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/* This is an include file for windows.h with the SDL build settings */
+
+#ifndef _INCLUDED_WINDOWS_H
+#define _INCLUDED_WINDOWS_H
+
+#if defined(__WIN32__)
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#ifndef STRICT
+#define STRICT 1
+#endif
+#ifndef UNICODE
+#define UNICODE 1
+#endif
+#undef WINVER
+#undef _WIN32_WINNT
+#if SDL_VIDEO_RENDER_D3D12
+#define _WIN32_WINNT 0xA00 /* For D3D12, 0xA00 is required */
+#elif defined(HAVE_SHELLSCALINGAPI_H)
+#define _WIN32_WINNT 0x603 /* For DPI support */
+#else
+#define _WIN32_WINNT 0x501 /* Need 0x410 for AlphaBlend() and 0x500 for EnumDisplayDevices(), 0x501 for raw input */
+#endif
+#define WINVER _WIN32_WINNT
+
+#elif defined(__WINGDK__)
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#ifndef STRICT
+#define STRICT 1
+#endif
+#ifndef UNICODE
+#define UNICODE 1
+#endif
+#undef WINVER
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0xA00
+#define WINVER       _WIN32_WINNT
+
+#elif defined(__XBOXONE__) || defined(__XBOXSERIES__)
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#ifndef STRICT
+#define STRICT 1
+#endif
+#ifndef UNICODE
+#define UNICODE 1
+#endif
+#undef WINVER
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0xA00
+#define WINVER       _WIN32_WINNT
+#endif
+
+/* See https://github.com/libsdl-org/SDL/pull/7607  */
+/* force_align_arg_pointer attribute requires gcc >= 4.2.x.  */
+#if defined(__clang__)
+#define HAVE_FORCE_ALIGN_ARG_POINTER
+#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2))
+#define HAVE_FORCE_ALIGN_ARG_POINTER
+#endif
+#if defined(__GNUC__) && defined(__i386__) && defined(HAVE_FORCE_ALIGN_ARG_POINTER)
+#define MINGW32_FORCEALIGN __attribute__((force_align_arg_pointer))
+#else
+#define MINGW32_FORCEALIGN
+#endif
+
+#include <windows.h>
+#include <basetyps.h> /* for REFIID with broken mingw.org headers */
+
+#include "SDL_rect.h"
+
+/* Routines to convert from UTF8 to native Windows text */
+#define WIN_StringToUTF8W(S) SDL_iconv_string("UTF-8", "UTF-16LE", (const char *)(S), (SDL_wcslen(S) + 1) * sizeof(WCHAR))
+#define WIN_UTF8ToStringW(S) (WCHAR *)SDL_iconv_string("UTF-16LE", "UTF-8", (const char *)(S), SDL_strlen(S) + 1)
+/* !!! FIXME: UTF8ToString() can just be a SDL_strdup() here. */
+#define WIN_StringToUTF8A(S) SDL_iconv_string("UTF-8", "ASCII", (const char *)(S), (SDL_strlen(S) + 1))
+#define WIN_UTF8ToStringA(S) SDL_iconv_string("ASCII", "UTF-8", (const char *)(S), SDL_strlen(S) + 1)
+#if UNICODE
+#define WIN_StringToUTF8 WIN_StringToUTF8W
+#define WIN_UTF8ToString WIN_UTF8ToStringW
+#define SDL_tcslen       SDL_wcslen
+#define SDL_tcsstr       SDL_wcsstr
+#else
+#define WIN_StringToUTF8 WIN_StringToUTF8A
+#define WIN_UTF8ToString WIN_UTF8ToStringA
+#define SDL_tcslen       SDL_strlen
+#define SDL_tcsstr       SDL_strstr
+#endif
+
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Sets an error message based on a given HRESULT */
+extern int WIN_SetErrorFromHRESULT(const char *prefix, HRESULT hr);
+
+/* Sets an error message based on GetLastError(). Always return -1. */
+extern int WIN_SetError(const char *prefix);
+
+#if !defined(__WINRT__)
+/* Load a function from combase.dll */
+void *WIN_LoadComBaseFunction(const char *name);
+#endif
+
+/* Wrap up the oddities of CoInitialize() into a common function. */
+extern HRESULT WIN_CoInitialize(void);
+extern void WIN_CoUninitialize(void);
+
+/* Wrap up the oddities of RoInitialize() into a common function. */
+extern HRESULT WIN_RoInitialize(void);
+extern void WIN_RoUninitialize(void);
+
+/* Returns SDL_TRUE if we're running on Windows Vista and newer */
+extern BOOL WIN_IsWindowsVistaOrGreater(void);
+
+/* Returns SDL_TRUE if we're running on Windows 7 and newer */
+extern BOOL WIN_IsWindows7OrGreater(void);
+
+/* Returns SDL_TRUE if we're running on Windows 8 and newer */
+extern BOOL WIN_IsWindows8OrGreater(void);
+
+/* You need to SDL_free() the result of this call. */
+extern char *WIN_LookupAudioDeviceName(const WCHAR *name, const GUID *guid);
+
+/* Checks to see if two GUID are the same. */
+extern BOOL WIN_IsEqualGUID(const GUID *a, const GUID *b);
+extern BOOL WIN_IsEqualIID(REFIID a, REFIID b);
+
+/* Convert between SDL_rect and RECT */
+extern void WIN_RECTToRect(const RECT *winrect, SDL_Rect *sdlrect);
+extern void WIN_RectToRECT(const SDL_Rect *sdlrect, RECT *winrect);
+
+/* Returns SDL_TRUE if the rect is empty */
+extern BOOL WIN_IsRectEmpty(const RECT *rect);
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _INCLUDED_WINDOWS_H */
+
+/* vi: set ts=4 sw=4 expandtab: */

Windows/SDL2/main/SDL_windows_main.c

@@ -0,0 +1,114 @@
+/*
+    SDL_windows_main.c, placed in the public domain by Sam Lantinga  4/13/98
+
+    The WinMain function -- calls your program's main() function
+*/
+#include "SDL_config.h"
+
+#ifdef __WIN32__
+
+/* Include this so we define UNICODE properly */
+#include "SDL_windows.h"
+#include <shellapi.h> /* CommandLineToArgvW() */
+
+/* Include the SDL main definition header */
+#include "SDL.h"
+#include "SDL_main.h"
+
+#ifdef main
+#undef main
+#endif /* main */
+
+/* Pop up an out of memory message, returns to Windows */
+static BOOL OutOfMemory(void)
+{
+    SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Fatal Error", "Out of memory - aborting", NULL);
+    return FALSE;
+}
+
+#if defined(_MSC_VER)
+/* The VC++ compiler needs main/wmain defined */
+#define console_ansi_main main
+#if UNICODE
+#define console_wmain wmain
+#endif
+#endif
+
+/* Gets the arguments with GetCommandLine, converts them to argc and argv
+   and calls SDL_main */
+static int main_getcmdline(void)
+{
+    LPWSTR *argvw;
+    char **argv;
+    int i, argc, result;
+
+    argvw = CommandLineToArgvW(GetCommandLineW(), &argc);
+    if (!argvw) {
+        return OutOfMemory();
+    }
+
+    /* Note that we need to be careful about how we allocate/free memory here.
+     * If the application calls SDL_SetMemoryFunctions(), we can't rely on
+     * SDL_free() to use the same allocator after SDL_main() returns.
+     */
+
+    /* Parse it into argv and argc */
+    argv = (char **)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (argc + 1) * sizeof(*argv));
+    if (!argv) {
+        return OutOfMemory();
+    }
+    for (i = 0; i < argc; ++i) {
+        DWORD len;
+        char *arg = WIN_StringToUTF8W(argvw[i]);
+        if (!arg) {
+            return OutOfMemory();
+        }
+        len = (DWORD)SDL_strlen(arg);
+        argv[i] = (char *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (size_t)len + 1);
+        if (!argv[i]) {
+            return OutOfMemory();
+        }
+        SDL_memcpy(argv[i], arg, len);
+        SDL_free(arg);
+    }
+    argv[i] = NULL;
+    LocalFree(argvw);
+
+    SDL_SetMainReady();
+
+    /* Run the application main() code */
+    result = SDL_main(argc, argv);
+
+    /* Free argv, to avoid memory leak */
+    for (i = 0; i < argc; ++i) {
+        HeapFree(GetProcessHeap(), 0, argv[i]);
+    }
+    HeapFree(GetProcessHeap(), 0, argv);
+
+    return result;
+}
+
+/* This is where execution begins [console apps, ansi] */
+int console_ansi_main(int argc, char *argv[])
+{
+    return main_getcmdline();
+}
+
+#if UNICODE
+/* This is where execution begins [console apps, unicode] */
+int console_wmain(int argc, wchar_t *wargv[], wchar_t *wenvp)
+{
+    return main_getcmdline();
+}
+#endif
+
+/* This is where execution begins [windowed apps] */
+int WINAPI MINGW32_FORCEALIGN
+WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) /* NOLINT(readability-inconsistent-declaration-parameter-name) */
+{
+    return main_getcmdline();
+}
+
+#endif /* __WIN32__ */
+
+/* vi: set ts=4 sw=4 expandtab: */