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glfw/src/win32_platform.h
Camilla Löwy a337c56848 Start 3.4
2019-04-16 23:08:39 +02:00

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//========================================================================
// GLFW 3.4 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.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.
//
//========================================================================
// We don't need all the fancy stuff
#ifndef NOMINMAX
#define NOMINMAX
#endif
#ifndef VC_EXTRALEAN
#define VC_EXTRALEAN
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
// This is a workaround for the fact that glfw3.h needs to export APIENTRY (for
// example to allow applications to correctly declare a GL_ARB_debug_output
// callback) but windows.h assumes no one will define APIENTRY before it does
#undef APIENTRY
// GLFW on Windows is Unicode only and does not work in MBCS mode
#ifndef UNICODE
#define UNICODE
#endif
// GLFW requires Windows XP or later
#if WINVER < 0x0501
#undef WINVER
#define WINVER 0x0501
#endif
#if _WIN32_WINNT < 0x0501
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0501
#endif
// GLFW uses DirectInput8 interfaces
#define DIRECTINPUT_VERSION 0x0800
// GLFW uses OEM cursor resources
#define OEMRESOURCE
#include <wctype.h>
#include <windows.h>
#include <dinput.h>
#include <xinput.h>
#include <dbt.h>
// HACK: Define macros that some windows.h variants don't
#ifndef WM_MOUSEHWHEEL
#define WM_MOUSEHWHEEL 0x020E
#endif
#ifndef WM_DWMCOMPOSITIONCHANGED
#define WM_DWMCOMPOSITIONCHANGED 0x031E
#endif
#ifndef WM_COPYGLOBALDATA
#define WM_COPYGLOBALDATA 0x0049
#endif
#ifndef WM_UNICHAR
#define WM_UNICHAR 0x0109
#endif
#ifndef UNICODE_NOCHAR
#define UNICODE_NOCHAR 0xFFFF
#endif
#ifndef WM_DPICHANGED
#define WM_DPICHANGED 0x02E0
#endif
#ifndef GET_XBUTTON_WPARAM
#define GET_XBUTTON_WPARAM(w) (HIWORD(w))
#endif
#ifndef EDS_ROTATEDMODE
#define EDS_ROTATEDMODE 0x00000004
#endif
#ifndef DISPLAY_DEVICE_ACTIVE
#define DISPLAY_DEVICE_ACTIVE 0x00000001
#endif
#ifndef _WIN32_WINNT_WINBLUE
#define _WIN32_WINNT_WINBLUE 0x0602
#endif
#ifndef _WIN32_WINNT_WIN8
#define _WIN32_WINNT_WIN8 0x0602
#endif
#ifndef WM_GETDPISCALEDSIZE
#define WM_GETDPISCALEDSIZE 0x02e4
#endif
#ifndef USER_DEFAULT_SCREEN_DPI
#define USER_DEFAULT_SCREEN_DPI 96
#endif
#ifndef OCR_HAND
#define OCR_HAND 32649
#endif
#if WINVER < 0x0601
typedef struct
{
DWORD cbSize;
DWORD ExtStatus;
} CHANGEFILTERSTRUCT;
#ifndef MSGFLT_ALLOW
#define MSGFLT_ALLOW 1
#endif
#endif /*Windows 7*/
#if WINVER < 0x0600
#define DWM_BB_ENABLE 0x00000001
#define DWM_BB_BLURREGION 0x00000002
typedef struct
{
DWORD dwFlags;
BOOL fEnable;
HRGN hRgnBlur;
BOOL fTransitionOnMaximized;
} DWM_BLURBEHIND;
#else
#include <dwmapi.h>
#endif /*Windows Vista*/
#ifndef DPI_ENUMS_DECLARED
typedef enum
{
PROCESS_DPI_UNAWARE = 0,
PROCESS_SYSTEM_DPI_AWARE = 1,
PROCESS_PER_MONITOR_DPI_AWARE = 2
} PROCESS_DPI_AWARENESS;
typedef enum
{
MDT_EFFECTIVE_DPI = 0,
MDT_ANGULAR_DPI = 1,
MDT_RAW_DPI = 2,
MDT_DEFAULT = MDT_EFFECTIVE_DPI
} MONITOR_DPI_TYPE;
#endif /*DPI_ENUMS_DECLARED*/
#ifndef DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2
#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 ((HANDLE) -4)
#endif /*DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2*/
// HACK: Define versionhelpers.h functions manually as MinGW lacks the header
#define IsWindowsXPOrGreater() \
_glfwIsWindowsVersionOrGreaterWin32(HIBYTE(_WIN32_WINNT_WINXP), \
LOBYTE(_WIN32_WINNT_WINXP), 0)
#define IsWindowsVistaOrGreater() \
_glfwIsWindowsVersionOrGreaterWin32(HIBYTE(_WIN32_WINNT_VISTA), \
LOBYTE(_WIN32_WINNT_VISTA), 0)
#define IsWindows7OrGreater() \
_glfwIsWindowsVersionOrGreaterWin32(HIBYTE(_WIN32_WINNT_WIN7), \
LOBYTE(_WIN32_WINNT_WIN7), 0)
#define IsWindows8OrGreater() \
_glfwIsWindowsVersionOrGreaterWin32(HIBYTE(_WIN32_WINNT_WIN8), \
LOBYTE(_WIN32_WINNT_WIN8), 0)
#define IsWindows8Point1OrGreater() \
_glfwIsWindowsVersionOrGreaterWin32(HIBYTE(_WIN32_WINNT_WINBLUE), \
LOBYTE(_WIN32_WINNT_WINBLUE), 0)
#define _glfwIsWindows10AnniversaryUpdateOrGreaterWin32() \
_glfwIsWindows10BuildOrGreaterWin32(14393)
#define _glfwIsWindows10CreatorsUpdateOrGreaterWin32() \
_glfwIsWindows10BuildOrGreaterWin32(15063)
// HACK: Define macros that some xinput.h variants don't
#ifndef XINPUT_CAPS_WIRELESS
#define XINPUT_CAPS_WIRELESS 0x0002
#endif
#ifndef XINPUT_DEVSUBTYPE_WHEEL
#define XINPUT_DEVSUBTYPE_WHEEL 0x02
#endif
#ifndef XINPUT_DEVSUBTYPE_ARCADE_STICK
#define XINPUT_DEVSUBTYPE_ARCADE_STICK 0x03
#endif
#ifndef XINPUT_DEVSUBTYPE_FLIGHT_STICK
#define XINPUT_DEVSUBTYPE_FLIGHT_STICK 0x04
#endif
#ifndef XINPUT_DEVSUBTYPE_DANCE_PAD
#define XINPUT_DEVSUBTYPE_DANCE_PAD 0x05
#endif
#ifndef XINPUT_DEVSUBTYPE_GUITAR
#define XINPUT_DEVSUBTYPE_GUITAR 0x06
#endif
#ifndef XINPUT_DEVSUBTYPE_DRUM_KIT
#define XINPUT_DEVSUBTYPE_DRUM_KIT 0x08
#endif
#ifndef XINPUT_DEVSUBTYPE_ARCADE_PAD
#define XINPUT_DEVSUBTYPE_ARCADE_PAD 0x13
#endif
#ifndef XUSER_MAX_COUNT
#define XUSER_MAX_COUNT 4
#endif
// HACK: Define macros that some dinput.h variants don't
#ifndef DIDFT_OPTIONAL
#define DIDFT_OPTIONAL 0x80000000
#endif
// winmm.dll function pointer typedefs
typedef DWORD (WINAPI * PFN_timeGetTime)(void);
#define timeGetTime _glfw.win32.winmm.GetTime
// xinput.dll function pointer typedefs
typedef DWORD (WINAPI * PFN_XInputGetCapabilities)(DWORD,DWORD,XINPUT_CAPABILITIES*);
typedef DWORD (WINAPI * PFN_XInputGetState)(DWORD,XINPUT_STATE*);
#define XInputGetCapabilities _glfw.win32.xinput.GetCapabilities
#define XInputGetState _glfw.win32.xinput.GetState
// dinput8.dll function pointer typedefs
typedef HRESULT (WINAPI * PFN_DirectInput8Create)(HINSTANCE,DWORD,REFIID,LPVOID*,LPUNKNOWN);
#define DirectInput8Create _glfw.win32.dinput8.Create
// user32.dll function pointer typedefs
typedef BOOL (WINAPI * PFN_SetProcessDPIAware)(void);
typedef BOOL (WINAPI * PFN_ChangeWindowMessageFilterEx)(HWND,UINT,DWORD,CHANGEFILTERSTRUCT*);
typedef BOOL (WINAPI * PFN_EnableNonClientDpiScaling)(HWND);
typedef BOOL (WINAPI * PFN_SetProcessDpiAwarenessContext)(HANDLE);
typedef UINT (WINAPI * PFN_GetDpiForWindow)(HWND);
typedef BOOL (WINAPI * PFN_AdjustWindowRectExForDpi)(LPRECT,DWORD,BOOL,DWORD,UINT);
#define SetProcessDPIAware _glfw.win32.user32.SetProcessDPIAware_
#define ChangeWindowMessageFilterEx _glfw.win32.user32.ChangeWindowMessageFilterEx_
#define EnableNonClientDpiScaling _glfw.win32.user32.EnableNonClientDpiScaling_
#define SetProcessDpiAwarenessContext _glfw.win32.user32.SetProcessDpiAwarenessContext_
#define GetDpiForWindow _glfw.win32.user32.GetDpiForWindow_
#define AdjustWindowRectExForDpi _glfw.win32.user32.AdjustWindowRectExForDpi_
// dwmapi.dll function pointer typedefs
typedef HRESULT (WINAPI * PFN_DwmIsCompositionEnabled)(BOOL*);
typedef HRESULT (WINAPI * PFN_DwmFlush)(VOID);
typedef HRESULT(WINAPI * PFN_DwmEnableBlurBehindWindow)(HWND,const DWM_BLURBEHIND*);
#define DwmIsCompositionEnabled _glfw.win32.dwmapi.IsCompositionEnabled
#define DwmFlush _glfw.win32.dwmapi.Flush
#define DwmEnableBlurBehindWindow _glfw.win32.dwmapi.EnableBlurBehindWindow
// shcore.dll function pointer typedefs
typedef HRESULT (WINAPI * PFN_SetProcessDpiAwareness)(PROCESS_DPI_AWARENESS);
typedef HRESULT (WINAPI * PFN_GetDpiForMonitor)(HMONITOR,MONITOR_DPI_TYPE,UINT*,UINT*);
#define SetProcessDpiAwareness _glfw.win32.shcore.SetProcessDpiAwareness_
#define GetDpiForMonitor _glfw.win32.shcore.GetDpiForMonitor_
// ntdll.dll function pointer typedefs
typedef LONG (WINAPI * PFN_RtlVerifyVersionInfo)(OSVERSIONINFOEXW*,ULONG,ULONGLONG);
#define RtlVerifyVersionInfo _glfw.win32.ntdll.RtlVerifyVersionInfo_
typedef VkFlags VkWin32SurfaceCreateFlagsKHR;
typedef struct VkWin32SurfaceCreateInfoKHR
{
VkStructureType sType;
const void* pNext;
VkWin32SurfaceCreateFlagsKHR flags;
HINSTANCE hinstance;
HWND hwnd;
} VkWin32SurfaceCreateInfoKHR;
typedef VkResult (APIENTRY *PFN_vkCreateWin32SurfaceKHR)(VkInstance,const VkWin32SurfaceCreateInfoKHR*,const VkAllocationCallbacks*,VkSurfaceKHR*);
typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR)(VkPhysicalDevice,uint32_t);
#include "win32_joystick.h"
#include "wgl_context.h"
#include "egl_context.h"
#include "osmesa_context.h"
#if !defined(_GLFW_WNDCLASSNAME)
#define _GLFW_WNDCLASSNAME L"GLFW30"
#endif
#define _glfw_dlopen(name) LoadLibraryA(name)
#define _glfw_dlclose(handle) FreeLibrary((HMODULE) handle)
#define _glfw_dlsym(handle, name) GetProcAddress((HMODULE) handle, name)
#define _GLFW_EGL_NATIVE_WINDOW ((EGLNativeWindowType) window->win32.handle)
#define _GLFW_EGL_NATIVE_DISPLAY EGL_DEFAULT_DISPLAY
#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowWin32 win32
#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryWin32 win32
#define _GLFW_PLATFORM_LIBRARY_TIMER_STATE _GLFWtimerWin32 win32
#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorWin32 win32
#define _GLFW_PLATFORM_CURSOR_STATE _GLFWcursorWin32 win32
#define _GLFW_PLATFORM_TLS_STATE _GLFWtlsWin32 win32
#define _GLFW_PLATFORM_MUTEX_STATE _GLFWmutexWin32 win32
// Win32-specific per-window data
//
typedef struct _GLFWwindowWin32
{
HWND handle;
HICON bigIcon;
HICON smallIcon;
GLFWbool cursorTracked;
GLFWbool frameAction;
GLFWbool iconified;
GLFWbool maximized;
// Whether to enable framebuffer transparency on DWM
GLFWbool transparent;
GLFWbool scaleToMonitor;
// The last received cursor position, regardless of source
int lastCursorPosX, lastCursorPosY;
} _GLFWwindowWin32;
// Win32-specific global data
//
typedef struct _GLFWlibraryWin32
{
HWND helperWindowHandle;
HDEVNOTIFY deviceNotificationHandle;
DWORD foregroundLockTimeout;
int acquiredMonitorCount;
char* clipboardString;
short int keycodes[512];
short int scancodes[GLFW_KEY_LAST + 1];
char keynames[GLFW_KEY_LAST + 1][5];
// Where to place the cursor when re-enabled
double restoreCursorPosX, restoreCursorPosY;
// The window whose disabled cursor mode is active
_GLFWwindow* disabledCursorWindow;
RAWINPUT* rawInput;
int rawInputSize;
UINT mouseTrailSize;
struct {
HINSTANCE instance;
PFN_timeGetTime GetTime;
} winmm;
struct {
HINSTANCE instance;
PFN_DirectInput8Create Create;
IDirectInput8W* api;
} dinput8;
struct {
HINSTANCE instance;
PFN_XInputGetCapabilities GetCapabilities;
PFN_XInputGetState GetState;
} xinput;
struct {
HINSTANCE instance;
PFN_SetProcessDPIAware SetProcessDPIAware_;
PFN_ChangeWindowMessageFilterEx ChangeWindowMessageFilterEx_;
PFN_EnableNonClientDpiScaling EnableNonClientDpiScaling_;
PFN_SetProcessDpiAwarenessContext SetProcessDpiAwarenessContext_;
PFN_GetDpiForWindow GetDpiForWindow_;
PFN_AdjustWindowRectExForDpi AdjustWindowRectExForDpi_;
} user32;
struct {
HINSTANCE instance;
PFN_DwmIsCompositionEnabled IsCompositionEnabled;
PFN_DwmFlush Flush;
PFN_DwmEnableBlurBehindWindow EnableBlurBehindWindow;
} dwmapi;
struct {
HINSTANCE instance;
PFN_SetProcessDpiAwareness SetProcessDpiAwareness_;
PFN_GetDpiForMonitor GetDpiForMonitor_;
} shcore;
struct {
HINSTANCE instance;
PFN_RtlVerifyVersionInfo RtlVerifyVersionInfo_;
} ntdll;
} _GLFWlibraryWin32;
// Win32-specific per-monitor data
//
typedef struct _GLFWmonitorWin32
{
HMONITOR handle;
// This size matches the static size of DISPLAY_DEVICE.DeviceName
WCHAR adapterName[32];
WCHAR displayName[32];
char publicAdapterName[32];
char publicDisplayName[32];
GLFWbool modesPruned;
GLFWbool modeChanged;
} _GLFWmonitorWin32;
// Win32-specific per-cursor data
//
typedef struct _GLFWcursorWin32
{
HCURSOR handle;
} _GLFWcursorWin32;
// Win32-specific global timer data
//
typedef struct _GLFWtimerWin32
{
GLFWbool hasPC;
uint64_t frequency;
} _GLFWtimerWin32;
// Win32-specific thread local storage data
//
typedef struct _GLFWtlsWin32
{
GLFWbool allocated;
DWORD index;
} _GLFWtlsWin32;
// Win32-specific mutex data
//
typedef struct _GLFWmutexWin32
{
GLFWbool allocated;
CRITICAL_SECTION section;
} _GLFWmutexWin32;
GLFWbool _glfwRegisterWindowClassWin32(void);
void _glfwUnregisterWindowClassWin32(void);
WCHAR* _glfwCreateWideStringFromUTF8Win32(const char* source);
char* _glfwCreateUTF8FromWideStringWin32(const WCHAR* source);
BOOL _glfwIsWindowsVersionOrGreaterWin32(WORD major, WORD minor, WORD sp);
BOOL _glfwIsWindows10BuildOrGreaterWin32(WORD build);
void _glfwInputErrorWin32(int error, const char* description);
void _glfwUpdateKeyNamesWin32(void);
void _glfwInitTimerWin32(void);
void _glfwPollMonitorsWin32(void);
void _glfwSetVideoModeWin32(_GLFWmonitor* monitor, const GLFWvidmode* desired);
void _glfwRestoreVideoModeWin32(_GLFWmonitor* monitor);
void _glfwGetMonitorContentScaleWin32(HMONITOR handle, float* xscale, float* yscale);
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