:wMerge branch 'gl-window' into main

1 files changed, 2396 insertions, 0 deletions

diff --git a/libs/glfw-3.3.8/src/win32_window.c b/libs/glfw-3.3.8/src/win32_window.c
new file mode 100644
index 0000000..073ceee
--- /dev/null
+++ b/libs/glfw-3.3.8/src/win32_window.c
@@ -0,0 +1,2396 @@
+//========================================================================
+// GLFW 3.3 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.
+//
+//========================================================================
+// Please use C89 style variable declarations in this file because VS 2010
+//========================================================================
+
+#include "internal.h"
+
+#include <limits.h>
+#include <stdlib.h>
+#include <malloc.h>
+#include <string.h>
+#include <windowsx.h>
+#include <shellapi.h>
+
+// Returns the window style for the specified window
+//
+static DWORD getWindowStyle(const _GLFWwindow* window)
+{
+    DWORD style = WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
+
+    if (window->monitor)
+        style |= WS_POPUP;
+    else
+    {
+        style |= WS_SYSMENU | WS_MINIMIZEBOX;
+
+        if (window->decorated)
+        {
+            style |= WS_CAPTION;
+
+            if (window->resizable)
+                style |= WS_MAXIMIZEBOX | WS_THICKFRAME;
+        }
+        else
+            style |= WS_POPUP;
+    }
+
+    return style;
+}
+
+// Returns the extended window style for the specified window
+//
+static DWORD getWindowExStyle(const _GLFWwindow* window)
+{
+    DWORD style = WS_EX_APPWINDOW;
+
+    if (window->monitor || window->floating)
+        style |= WS_EX_TOPMOST;
+
+    return style;
+}
+
+// Returns the image whose area most closely matches the desired one
+//
+static const GLFWimage* chooseImage(int count, const GLFWimage* images,
+                                    int width, int height)
+{
+    int i, leastDiff = INT_MAX;
+    const GLFWimage* closest = NULL;
+
+    for (i = 0;  i < count;  i++)
+    {
+        const int currDiff = abs(images[i].width * images[i].height -
+                                 width * height);
+        if (currDiff < leastDiff)
+        {
+            closest = images + i;
+            leastDiff = currDiff;
+        }
+    }
+
+    return closest;
+}
+
+// Creates an RGBA icon or cursor
+//
+static HICON createIcon(const GLFWimage* image,
+                        int xhot, int yhot, GLFWbool icon)
+{
+    int i;
+    HDC dc;
+    HICON handle;
+    HBITMAP color, mask;
+    BITMAPV5HEADER bi;
+    ICONINFO ii;
+    unsigned char* target = NULL;
+    unsigned char* source = image->pixels;
+
+    ZeroMemory(&bi, sizeof(bi));
+    bi.bV5Size        = sizeof(bi);
+    bi.bV5Width       = image->width;
+    bi.bV5Height      = -image->height;
+    bi.bV5Planes      = 1;
+    bi.bV5BitCount    = 32;
+    bi.bV5Compression = BI_BITFIELDS;
+    bi.bV5RedMask     = 0x00ff0000;
+    bi.bV5GreenMask   = 0x0000ff00;
+    bi.bV5BlueMask    = 0x000000ff;
+    bi.bV5AlphaMask   = 0xff000000;
+
+    dc = GetDC(NULL);
+    color = CreateDIBSection(dc,
+                             (BITMAPINFO*) &bi,
+                             DIB_RGB_COLORS,
+                             (void**) &target,
+                             NULL,
+                             (DWORD) 0);
+    ReleaseDC(NULL, dc);
+
+    if (!color)
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to create RGBA bitmap");
+        return NULL;
+    }
+
+    mask = CreateBitmap(image->width, image->height, 1, 1, NULL);
+    if (!mask)
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to create mask bitmap");
+        DeleteObject(color);
+        return NULL;
+    }
+
+    for (i = 0;  i < image->width * image->height;  i++)
+    {
+        target[0] = source[2];
+        target[1] = source[1];
+        target[2] = source[0];
+        target[3] = source[3];
+        target += 4;
+        source += 4;
+    }
+
+    ZeroMemory(&ii, sizeof(ii));
+    ii.fIcon    = icon;
+    ii.xHotspot = xhot;
+    ii.yHotspot = yhot;
+    ii.hbmMask  = mask;
+    ii.hbmColor = color;
+
+    handle = CreateIconIndirect(&ii);
+
+    DeleteObject(color);
+    DeleteObject(mask);
+
+    if (!handle)
+    {
+        if (icon)
+        {
+            _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                                 "Win32: Failed to create icon");
+        }
+        else
+        {
+            _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                                 "Win32: Failed to create cursor");
+        }
+    }
+
+    return handle;
+}
+
+// Translate content area size to full window size according to styles and DPI
+//
+static void getFullWindowSize(DWORD style, DWORD exStyle,
+                              int contentWidth, int contentHeight,
+                              int* fullWidth, int* fullHeight,
+                              UINT dpi)
+{
+    RECT rect = { 0, 0, contentWidth, contentHeight };
+
+    if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+        AdjustWindowRectExForDpi(&rect, style, FALSE, exStyle, dpi);
+    else
+        AdjustWindowRectEx(&rect, style, FALSE, exStyle);
+
+    *fullWidth = rect.right - rect.left;
+    *fullHeight = rect.bottom - rect.top;
+}
+
+// Enforce the content area aspect ratio based on which edge is being dragged
+//
+static void applyAspectRatio(_GLFWwindow* window, int edge, RECT* area)
+{
+    int xoff, yoff;
+    UINT dpi = USER_DEFAULT_SCREEN_DPI;
+    const float ratio = (float) window->numer / (float) window->denom;
+
+    if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+        dpi = GetDpiForWindow(window->win32.handle);
+
+    getFullWindowSize(getWindowStyle(window), getWindowExStyle(window),
+                      0, 0, &xoff, &yoff, dpi);
+
+    if (edge == WMSZ_LEFT  || edge == WMSZ_BOTTOMLEFT ||
+        edge == WMSZ_RIGHT || edge == WMSZ_BOTTOMRIGHT)
+    {
+        area->bottom = area->top + yoff +
+            (int) ((area->right - area->left - xoff) / ratio);
+    }
+    else if (edge == WMSZ_TOPLEFT || edge == WMSZ_TOPRIGHT)
+    {
+        area->top = area->bottom - yoff -
+            (int) ((area->right - area->left - xoff) / ratio);
+    }
+    else if (edge == WMSZ_TOP || edge == WMSZ_BOTTOM)
+    {
+        area->right = area->left + xoff +
+            (int) ((area->bottom - area->top - yoff) * ratio);
+    }
+}
+
+// Updates the cursor image according to its cursor mode
+//
+static void updateCursorImage(_GLFWwindow* window)
+{
+    if (window->cursorMode == GLFW_CURSOR_NORMAL)
+    {
+        if (window->cursor)
+            SetCursor(window->cursor->win32.handle);
+        else
+            SetCursor(LoadCursorW(NULL, IDC_ARROW));
+    }
+    else
+        SetCursor(NULL);
+}
+
+// Updates the cursor clip rect
+//
+static void updateClipRect(_GLFWwindow* window)
+{
+    if (window)
+    {
+        RECT clipRect;
+        GetClientRect(window->win32.handle, &clipRect);
+        ClientToScreen(window->win32.handle, (POINT*) &clipRect.left);
+        ClientToScreen(window->win32.handle, (POINT*) &clipRect.right);
+        ClipCursor(&clipRect);
+    }
+    else
+        ClipCursor(NULL);
+}
+
+// Enables WM_INPUT messages for the mouse for the specified window
+//
+static void enableRawMouseMotion(_GLFWwindow* window)
+{
+    const RAWINPUTDEVICE rid = { 0x01, 0x02, 0, window->win32.handle };
+
+    if (!RegisterRawInputDevices(&rid, 1, sizeof(rid)))
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to register raw input device");
+    }
+}
+
+// Disables WM_INPUT messages for the mouse
+//
+static void disableRawMouseMotion(_GLFWwindow* window)
+{
+    const RAWINPUTDEVICE rid = { 0x01, 0x02, RIDEV_REMOVE, NULL };
+
+    if (!RegisterRawInputDevices(&rid, 1, sizeof(rid)))
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to remove raw input device");
+    }
+}
+
+// Apply disabled cursor mode to a focused window
+//
+static void disableCursor(_GLFWwindow* window)
+{
+    _glfw.win32.disabledCursorWindow = window;
+    _glfwPlatformGetCursorPos(window,
+                              &_glfw.win32.restoreCursorPosX,
+                              &_glfw.win32.restoreCursorPosY);
+    updateCursorImage(window);
+    _glfwCenterCursorInContentArea(window);
+    updateClipRect(window);
+
+    if (window->rawMouseMotion)
+        enableRawMouseMotion(window);
+}
+
+// Exit disabled cursor mode for the specified window
+//
+static void enableCursor(_GLFWwindow* window)
+{
+    if (window->rawMouseMotion)
+        disableRawMouseMotion(window);
+
+    _glfw.win32.disabledCursorWindow = NULL;
+    updateClipRect(NULL);
+    _glfwPlatformSetCursorPos(window,
+                              _glfw.win32.restoreCursorPosX,
+                              _glfw.win32.restoreCursorPosY);
+    updateCursorImage(window);
+}
+
+// Returns whether the cursor is in the content area of the specified window
+//
+static GLFWbool cursorInContentArea(_GLFWwindow* window)
+{
+    RECT area;
+    POINT pos;
+
+    if (!GetCursorPos(&pos))
+        return GLFW_FALSE;
+
+    if (WindowFromPoint(pos) != window->win32.handle)
+        return GLFW_FALSE;
+
+    GetClientRect(window->win32.handle, &area);
+    ClientToScreen(window->win32.handle, (POINT*) &area.left);
+    ClientToScreen(window->win32.handle, (POINT*) &area.right);
+
+    return PtInRect(&area, pos);
+}
+
+// Update native window styles to match attributes
+//
+static void updateWindowStyles(const _GLFWwindow* window)
+{
+    RECT rect;
+    DWORD style = GetWindowLongW(window->win32.handle, GWL_STYLE);
+    style &= ~(WS_OVERLAPPEDWINDOW | WS_POPUP);
+    style |= getWindowStyle(window);
+
+    GetClientRect(window->win32.handle, &rect);
+
+    if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+    {
+        AdjustWindowRectExForDpi(&rect, style, FALSE,
+                                 getWindowExStyle(window),
+                                 GetDpiForWindow(window->win32.handle));
+    }
+    else
+        AdjustWindowRectEx(&rect, style, FALSE, getWindowExStyle(window));
+
+    ClientToScreen(window->win32.handle, (POINT*) &rect.left);
+    ClientToScreen(window->win32.handle, (POINT*) &rect.right);
+    SetWindowLongW(window->win32.handle, GWL_STYLE, style);
+    SetWindowPos(window->win32.handle, HWND_TOP,
+                 rect.left, rect.top,
+                 rect.right - rect.left, rect.bottom - rect.top,
+                 SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOZORDER);
+}
+
+// Update window framebuffer transparency
+//
+static void updateFramebufferTransparency(const _GLFWwindow* window)
+{
+    BOOL composition, opaque;
+    DWORD color;
+
+    if (!IsWindowsVistaOrGreater())
+        return;
+
+    if (FAILED(DwmIsCompositionEnabled(&composition)) || !composition)
+       return;
+
+    if (IsWindows8OrGreater() ||
+        (SUCCEEDED(DwmGetColorizationColor(&color, &opaque)) && !opaque))
+    {
+        HRGN region = CreateRectRgn(0, 0, -1, -1);
+        DWM_BLURBEHIND bb = {0};
+        bb.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION;
+        bb.hRgnBlur = region;
+        bb.fEnable = TRUE;
+
+        DwmEnableBlurBehindWindow(window->win32.handle, &bb);
+        DeleteObject(region);
+    }
+    else
+    {
+        // HACK: Disable framebuffer transparency on Windows 7 when the
+        //       colorization color is opaque, because otherwise the window
+        //       contents is blended additively with the previous frame instead
+        //       of replacing it
+        DWM_BLURBEHIND bb = {0};
+        bb.dwFlags = DWM_BB_ENABLE;
+        DwmEnableBlurBehindWindow(window->win32.handle, &bb);
+    }
+}
+
+// Retrieves and translates modifier keys
+//
+static int getKeyMods(void)
+{
+    int mods = 0;
+
+    if (GetKeyState(VK_SHIFT) & 0x8000)
+        mods |= GLFW_MOD_SHIFT;
+    if (GetKeyState(VK_CONTROL) & 0x8000)
+        mods |= GLFW_MOD_CONTROL;
+    if (GetKeyState(VK_MENU) & 0x8000)
+        mods |= GLFW_MOD_ALT;
+    if ((GetKeyState(VK_LWIN) | GetKeyState(VK_RWIN)) & 0x8000)
+        mods |= GLFW_MOD_SUPER;
+    if (GetKeyState(VK_CAPITAL) & 1)
+        mods |= GLFW_MOD_CAPS_LOCK;
+    if (GetKeyState(VK_NUMLOCK) & 1)
+        mods |= GLFW_MOD_NUM_LOCK;
+
+    return mods;
+}
+
+static void fitToMonitor(_GLFWwindow* window)
+{
+    MONITORINFO mi = { sizeof(mi) };
+    GetMonitorInfoW(window->monitor->win32.handle, &mi);
+    SetWindowPos(window->win32.handle, HWND_TOPMOST,
+                 mi.rcMonitor.left,
+                 mi.rcMonitor.top,
+                 mi.rcMonitor.right - mi.rcMonitor.left,
+                 mi.rcMonitor.bottom - mi.rcMonitor.top,
+                 SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOCOPYBITS);
+}
+
+// Make the specified window and its video mode active on its monitor
+//
+static void acquireMonitor(_GLFWwindow* window)
+{
+    if (!_glfw.win32.acquiredMonitorCount)
+    {
+        SetThreadExecutionState(ES_CONTINUOUS | ES_DISPLAY_REQUIRED);
+
+        // HACK: When mouse trails are enabled the cursor becomes invisible when
+        //       the OpenGL ICD switches to page flipping
+        if (IsWindowsXPOrGreater())
+        {
+            SystemParametersInfoW(SPI_GETMOUSETRAILS, 0, &_glfw.win32.mouseTrailSize, 0);
+            SystemParametersInfoW(SPI_SETMOUSETRAILS, 0, 0, 0);
+        }
+    }
+
+    if (!window->monitor->window)
+        _glfw.win32.acquiredMonitorCount++;
+
+    _glfwSetVideoModeWin32(window->monitor, &window->videoMode);
+    _glfwInputMonitorWindow(window->monitor, window);
+}
+
+// Remove the window and restore the original video mode
+//
+static void releaseMonitor(_GLFWwindow* window)
+{
+    if (window->monitor->window != window)
+        return;
+
+    _glfw.win32.acquiredMonitorCount--;
+    if (!_glfw.win32.acquiredMonitorCount)
+    {
+        SetThreadExecutionState(ES_CONTINUOUS);
+
+        // HACK: Restore mouse trail length saved in acquireMonitor
+        if (IsWindowsXPOrGreater())
+            SystemParametersInfoW(SPI_SETMOUSETRAILS, _glfw.win32.mouseTrailSize, 0, 0);
+    }
+
+    _glfwInputMonitorWindow(window->monitor, NULL);
+    _glfwRestoreVideoModeWin32(window->monitor);
+}
+
+// Manually maximize the window, for when SW_MAXIMIZE cannot be used
+//
+static void maximizeWindowManually(_GLFWwindow* window)
+{
+    RECT rect;
+    DWORD style;
+    MONITORINFO mi = { sizeof(mi) };
+
+    GetMonitorInfoW(MonitorFromWindow(window->win32.handle,
+                                      MONITOR_DEFAULTTONEAREST), &mi);
+
+    rect = mi.rcWork;
+
+    if (window->maxwidth != GLFW_DONT_CARE && window->maxheight != GLFW_DONT_CARE)
+    {
+        rect.right = _glfw_min(rect.right, rect.left + window->maxwidth);
+        rect.bottom = _glfw_min(rect.bottom, rect.top + window->maxheight);
+    }
+
+    style = GetWindowLongW(window->win32.handle, GWL_STYLE);
+    style |= WS_MAXIMIZE;
+    SetWindowLongW(window->win32.handle, GWL_STYLE, style);
+
+    if (window->decorated)
+    {
+        const DWORD exStyle = GetWindowLongW(window->win32.handle, GWL_EXSTYLE);
+
+        if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+        {
+            const UINT dpi = GetDpiForWindow(window->win32.handle);
+            AdjustWindowRectExForDpi(&rect, style, FALSE, exStyle, dpi);
+            OffsetRect(&rect, 0, GetSystemMetricsForDpi(SM_CYCAPTION, dpi));
+        }
+        else
+        {
+            AdjustWindowRectEx(&rect, style, FALSE, exStyle);
+            OffsetRect(&rect, 0, GetSystemMetrics(SM_CYCAPTION));
+        }
+
+        rect.bottom = _glfw_min(rect.bottom, mi.rcWork.bottom);
+    }
+
+    SetWindowPos(window->win32.handle, HWND_TOP,
+                 rect.left,
+                 rect.top,
+                 rect.right - rect.left,
+                 rect.bottom - rect.top,
+                 SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED);
+}
+
+// Window callback function (handles window messages)
+//
+static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
+                                   WPARAM wParam, LPARAM lParam)
+{
+    _GLFWwindow* window = GetPropW(hWnd, L"GLFW");
+    if (!window)
+    {
+        // This is the message handling for the hidden helper window
+        // and for a regular window during its initial creation
+
+        switch (uMsg)
+        {
+            case WM_NCCREATE:
+            {
+                if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+                {
+                    const CREATESTRUCTW* cs = (const CREATESTRUCTW*) lParam;
+                    const _GLFWwndconfig* wndconfig = cs->lpCreateParams;
+
+                    // On per-monitor DPI aware V1 systems, only enable
+                    // non-client scaling for windows that scale the client area
+                    // We need WM_GETDPISCALEDSIZE from V2 to keep the client
+                    // area static when the non-client area is scaled
+                    if (wndconfig && wndconfig->scaleToMonitor)
+                        EnableNonClientDpiScaling(hWnd);
+                }
+
+                break;
+            }
+
+            case WM_DISPLAYCHANGE:
+                _glfwPollMonitorsWin32();
+                break;
+
+            case WM_DEVICECHANGE:
+            {
+                if (wParam == DBT_DEVICEARRIVAL)
+                {
+                    DEV_BROADCAST_HDR* dbh = (DEV_BROADCAST_HDR*) lParam;
+                    if (dbh && dbh->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE)
+                        _glfwDetectJoystickConnectionWin32();
+                }
+                else if (wParam == DBT_DEVICEREMOVECOMPLETE)
+                {
+                    DEV_BROADCAST_HDR* dbh = (DEV_BROADCAST_HDR*) lParam;
+                    if (dbh && dbh->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE)
+                        _glfwDetectJoystickDisconnectionWin32();
+                }
+
+                break;
+            }
+        }
+
+        return DefWindowProcW(hWnd, uMsg, wParam, lParam);
+    }
+
+    switch (uMsg)
+    {
+        case WM_MOUSEACTIVATE:
+        {
+            // HACK: Postpone cursor disabling when the window was activated by
+            //       clicking a caption button
+            if (HIWORD(lParam) == WM_LBUTTONDOWN)
+            {
+                if (LOWORD(lParam) != HTCLIENT)
+                    window->win32.frameAction = GLFW_TRUE;
+            }
+
+            break;
+        }
+
+        case WM_CAPTURECHANGED:
+        {
+            // HACK: Disable the cursor once the caption button action has been
+            //       completed or cancelled
+            if (lParam == 0 && window->win32.frameAction)
+            {
+                if (window->cursorMode == GLFW_CURSOR_DISABLED)
+                    disableCursor(window);
+
+                window->win32.frameAction = GLFW_FALSE;
+            }
+
+            break;
+        }
+
+        case WM_SETFOCUS:
+        {
+            _glfwInputWindowFocus(window, GLFW_TRUE);
+
+            // HACK: Do not disable cursor while the user is interacting with
+            //       a caption button
+            if (window->win32.frameAction)
+                break;
+
+            if (window->cursorMode == GLFW_CURSOR_DISABLED)
+                disableCursor(window);
+
+            return 0;
+        }
+
+        case WM_KILLFOCUS:
+        {
+            if (window->cursorMode == GLFW_CURSOR_DISABLED)
+                enableCursor(window);
+
+            if (window->monitor && window->autoIconify)
+                _glfwPlatformIconifyWindow(window);
+
+            _glfwInputWindowFocus(window, GLFW_FALSE);
+            return 0;
+        }
+
+        case WM_SYSCOMMAND:
+        {
+            switch (wParam & 0xfff0)
+            {
+                case SC_SCREENSAVE:
+                case SC_MONITORPOWER:
+                {
+                    if (window->monitor)
+                    {
+                        // We are running in full screen mode, so disallow
+                        // screen saver and screen blanking
+                        return 0;
+                    }
+                    else
+                        break;
+                }
+
+                // User trying to access application menu using ALT?
+                case SC_KEYMENU:
+                    return 0;
+            }
+            break;
+        }
+
+        case WM_CLOSE:
+        {
+            _glfwInputWindowCloseRequest(window);
+            return 0;
+        }
+
+        case WM_INPUTLANGCHANGE:
+        {
+            _glfwUpdateKeyNamesWin32();
+            break;
+        }
+
+        case WM_CHAR:
+        case WM_SYSCHAR:
+        {
+            if (wParam >= 0xd800 && wParam <= 0xdbff)
+                window->win32.highSurrogate = (WCHAR) wParam;
+            else
+            {
+                uint32_t codepoint = 0;
+
+                if (wParam >= 0xdc00 && wParam <= 0xdfff)
+                {
+                    if (window->win32.highSurrogate)
+                    {
+                        codepoint += (window->win32.highSurrogate - 0xd800) << 10;
+                        codepoint += (WCHAR) wParam - 0xdc00;
+                        codepoint += 0x10000;
+                    }
+                }
+                else
+                    codepoint = (WCHAR) wParam;
+
+                window->win32.highSurrogate = 0;
+                _glfwInputChar(window, codepoint, getKeyMods(), uMsg != WM_SYSCHAR);
+            }
+
+            return 0;
+        }
+
+        case WM_UNICHAR:
+        {
+            if (wParam == UNICODE_NOCHAR)
+            {
+                // WM_UNICHAR is not sent by Windows, but is sent by some
+                // third-party input method engine
+                // Returning TRUE here announces support for this message
+                return TRUE;
+            }
+
+            _glfwInputChar(window, (uint32_t) wParam, getKeyMods(), GLFW_TRUE);
+            return 0;
+        }
+
+        case WM_KEYDOWN:
+        case WM_SYSKEYDOWN:
+        case WM_KEYUP:
+        case WM_SYSKEYUP:
+        {
+            int key, scancode;
+            const int action = (HIWORD(lParam) & KF_UP) ? GLFW_RELEASE : GLFW_PRESS;
+            const int mods = getKeyMods();
+
+            scancode = (HIWORD(lParam) & (KF_EXTENDED | 0xff));
+            if (!scancode)
+            {
+                // NOTE: Some synthetic key messages have a scancode of zero
+                // HACK: Map the virtual key back to a usable scancode
+                scancode = MapVirtualKeyW((UINT) wParam, MAPVK_VK_TO_VSC);
+            }
+
+            // HACK: Alt+PrtSc has a different scancode than just PrtSc
+            if (scancode == 0x54)
+                scancode = 0x137;
+
+            // HACK: Ctrl+Pause has a different scancode than just Pause
+            if (scancode == 0x146)
+                scancode = 0x45;
+
+            // HACK: CJK IME sets the extended bit for right Shift
+            if (scancode == 0x136)
+                scancode = 0x36;
+
+            key = _glfw.win32.keycodes[scancode];
+
+            // The Ctrl keys require special handling
+            if (wParam == VK_CONTROL)
+            {
+                if (HIWORD(lParam) & KF_EXTENDED)
+                {
+                    // Right side keys have the extended key bit set
+                    key = GLFW_KEY_RIGHT_CONTROL;
+                }
+                else
+                {
+                    // NOTE: Alt Gr sends Left Ctrl followed by Right Alt
+                    // HACK: We only want one event for Alt Gr, so if we detect
+                    //       this sequence we discard this Left Ctrl message now
+                    //       and later report Right Alt normally
+                    MSG next;
+                    const DWORD time = GetMessageTime();
+
+                    if (PeekMessageW(&next, NULL, 0, 0, PM_NOREMOVE))
+                    {
+                        if (next.message == WM_KEYDOWN ||
+                            next.message == WM_SYSKEYDOWN ||
+                            next.message == WM_KEYUP ||
+                            next.message == WM_SYSKEYUP)
+                        {
+                            if (next.wParam == VK_MENU &&
+                                (HIWORD(next.lParam) & KF_EXTENDED) &&
+                                next.time == time)
+                            {
+                                // Next message is Right Alt down so discard this
+                                break;
+                            }
+                        }
+                    }
+
+                    // This is a regular Left Ctrl message
+                    key = GLFW_KEY_LEFT_CONTROL;
+                }
+            }
+            else if (wParam == VK_PROCESSKEY)
+            {
+                // IME notifies that keys have been filtered by setting the
+                // virtual key-code to VK_PROCESSKEY
+                break;
+            }
+
+            if (action == GLFW_RELEASE && wParam == VK_SHIFT)
+            {
+                // HACK: Release both Shift keys on Shift up event, as when both
+                //       are pressed the first release does not emit any event
+                // NOTE: The other half of this is in _glfwPlatformPollEvents
+                _glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, scancode, action, mods);
+                _glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, scancode, action, mods);
+            }
+            else if (wParam == VK_SNAPSHOT)
+            {
+                // HACK: Key down is not reported for the Print Screen key
+                _glfwInputKey(window, key, scancode, GLFW_PRESS, mods);
+                _glfwInputKey(window, key, scancode, GLFW_RELEASE, mods);
+            }
+            else
+                _glfwInputKey(window, key, scancode, action, mods);
+
+            break;
+        }
+
+        case WM_LBUTTONDOWN:
+        case WM_RBUTTONDOWN:
+        case WM_MBUTTONDOWN:
+        case WM_XBUTTONDOWN:
+        case WM_LBUTTONUP:
+        case WM_RBUTTONUP:
+        case WM_MBUTTONUP:
+        case WM_XBUTTONUP:
+        {
+            int i, button, action;
+
+            if (uMsg == WM_LBUTTONDOWN || uMsg == WM_LBUTTONUP)
+                button = GLFW_MOUSE_BUTTON_LEFT;
+            else if (uMsg == WM_RBUTTONDOWN || uMsg == WM_RBUTTONUP)
+                button = GLFW_MOUSE_BUTTON_RIGHT;
+            else if (uMsg == WM_MBUTTONDOWN || uMsg == WM_MBUTTONUP)
+                button = GLFW_MOUSE_BUTTON_MIDDLE;
+            else if (GET_XBUTTON_WPARAM(wParam) == XBUTTON1)
+                button = GLFW_MOUSE_BUTTON_4;
+            else
+                button = GLFW_MOUSE_BUTTON_5;
+
+            if (uMsg == WM_LBUTTONDOWN || uMsg == WM_RBUTTONDOWN ||
+                uMsg == WM_MBUTTONDOWN || uMsg == WM_XBUTTONDOWN)
+            {
+                action = GLFW_PRESS;
+            }
+            else
+                action = GLFW_RELEASE;
+
+            for (i = 0;  i <= GLFW_MOUSE_BUTTON_LAST;  i++)
+            {
+                if (window->mouseButtons[i] == GLFW_PRESS)
+                    break;
+            }
+
+            if (i > GLFW_MOUSE_BUTTON_LAST)
+                SetCapture(hWnd);
+
+            _glfwInputMouseClick(window, button, action, getKeyMods());
+
+            for (i = 0;  i <= GLFW_MOUSE_BUTTON_LAST;  i++)
+            {
+                if (window->mouseButtons[i] == GLFW_PRESS)
+                    break;
+            }
+
+            if (i > GLFW_MOUSE_BUTTON_LAST)
+                ReleaseCapture();
+
+            if (uMsg == WM_XBUTTONDOWN || uMsg == WM_XBUTTONUP)
+                return TRUE;
+
+            return 0;
+        }
+
+        case WM_MOUSEMOVE:
+        {
+            const int x = GET_X_LPARAM(lParam);
+            const int y = GET_Y_LPARAM(lParam);
+
+            if (!window->win32.cursorTracked)
+            {
+                TRACKMOUSEEVENT tme;
+                ZeroMemory(&tme, sizeof(tme));
+                tme.cbSize = sizeof(tme);
+                tme.dwFlags = TME_LEAVE;
+                tme.hwndTrack = window->win32.handle;
+                TrackMouseEvent(&tme);
+
+                window->win32.cursorTracked = GLFW_TRUE;
+                _glfwInputCursorEnter(window, GLFW_TRUE);
+            }
+
+            if (window->cursorMode == GLFW_CURSOR_DISABLED)
+            {
+                const int dx = x - window->win32.lastCursorPosX;
+                const int dy = y - window->win32.lastCursorPosY;
+
+                if (_glfw.win32.disabledCursorWindow != window)
+                    break;
+                if (window->rawMouseMotion)
+                    break;
+
+                _glfwInputCursorPos(window,
+                                    window->virtualCursorPosX + dx,
+                                    window->virtualCursorPosY + dy);
+            }
+            else
+                _glfwInputCursorPos(window, x, y);
+
+            window->win32.lastCursorPosX = x;
+            window->win32.lastCursorPosY = y;
+
+            return 0;
+        }
+
+        case WM_INPUT:
+        {
+            UINT size = 0;
+            HRAWINPUT ri = (HRAWINPUT) lParam;
+            RAWINPUT* data = NULL;
+            int dx, dy;
+
+            if (_glfw.win32.disabledCursorWindow != window)
+                break;
+            if (!window->rawMouseMotion)
+                break;
+
+            GetRawInputData(ri, RID_INPUT, NULL, &size, sizeof(RAWINPUTHEADER));
+            if (size > (UINT) _glfw.win32.rawInputSize)
+            {
+                free(_glfw.win32.rawInput);
+                _glfw.win32.rawInput = calloc(size, 1);
+                _glfw.win32.rawInputSize = size;
+            }
+
+            size = _glfw.win32.rawInputSize;
+            if (GetRawInputData(ri, RID_INPUT,
+                                _glfw.win32.rawInput, &size,
+                                sizeof(RAWINPUTHEADER)) == (UINT) -1)
+            {
+                _glfwInputError(GLFW_PLATFORM_ERROR,
+                                "Win32: Failed to retrieve raw input data");
+                break;
+            }
+
+            data = _glfw.win32.rawInput;
+            if (data->data.mouse.usFlags & MOUSE_MOVE_ABSOLUTE)
+            {
+                dx = data->data.mouse.lLastX - window->win32.lastCursorPosX;
+                dy = data->data.mouse.lLastY - window->win32.lastCursorPosY;
+            }
+            else
+            {
+                dx = data->data.mouse.lLastX;
+                dy = data->data.mouse.lLastY;
+            }
+
+            _glfwInputCursorPos(window,
+                                window->virtualCursorPosX + dx,
+                                window->virtualCursorPosY + dy);
+
+            window->win32.lastCursorPosX += dx;
+            window->win32.lastCursorPosY += dy;
+            break;
+        }
+
+        case WM_MOUSELEAVE:
+        {
+            window->win32.cursorTracked = GLFW_FALSE;
+            _glfwInputCursorEnter(window, GLFW_FALSE);
+            return 0;
+        }
+
+        case WM_MOUSEWHEEL:
+        {
+            _glfwInputScroll(window, 0.0, (SHORT) HIWORD(wParam) / (double) WHEEL_DELTA);
+            return 0;
+        }
+
+        case WM_MOUSEHWHEEL:
+        {
+            // This message is only sent on Windows Vista and later
+            // NOTE: The X-axis is inverted for consistency with macOS and X11
+            _glfwInputScroll(window, -((SHORT) HIWORD(wParam) / (double) WHEEL_DELTA), 0.0);
+            return 0;
+        }
+
+        case WM_ENTERSIZEMOVE:
+        case WM_ENTERMENULOOP:
+        {
+            if (window->win32.frameAction)
+                break;
+
+            // HACK: Enable the cursor while the user is moving or
+            //       resizing the window or using the window menu
+            if (window->cursorMode == GLFW_CURSOR_DISABLED)
+                enableCursor(window);
+
+            break;
+        }
+
+        case WM_EXITSIZEMOVE:
+        case WM_EXITMENULOOP:
+        {
+            if (window->win32.frameAction)
+                break;
+
+            // HACK: Disable the cursor once the user is done moving or
+            //       resizing the window or using the menu
+            if (window->cursorMode == GLFW_CURSOR_DISABLED)
+                disableCursor(window);
+
+            break;
+        }
+
+        case WM_SIZE:
+        {
+            const int width = LOWORD(lParam);
+            const int height = HIWORD(lParam);
+            const GLFWbool iconified = wParam == SIZE_MINIMIZED;
+            const GLFWbool maximized = wParam == SIZE_MAXIMIZED ||
+                                       (window->win32.maximized &&
+                                        wParam != SIZE_RESTORED);
+
+            if (_glfw.win32.disabledCursorWindow == window)
+                updateClipRect(window);
+
+            if (window->win32.iconified != iconified)
+                _glfwInputWindowIconify(window, iconified);
+
+            if (window->win32.maximized != maximized)
+                _glfwInputWindowMaximize(window, maximized);
+
+            if (width != window->win32.width || height != window->win32.height)
+            {
+                window->win32.width = width;
+                window->win32.height = height;
+
+                _glfwInputFramebufferSize(window, width, height);
+                _glfwInputWindowSize(window, width, height);
+            }
+
+            if (window->monitor && window->win32.iconified != iconified)
+            {
+                if (iconified)
+                    releaseMonitor(window);
+                else
+                {
+                    acquireMonitor(window);
+                    fitToMonitor(window);
+                }
+            }
+
+            window->win32.iconified = iconified;
+            window->win32.maximized = maximized;
+            return 0;
+        }
+
+        case WM_MOVE:
+        {
+            if (_glfw.win32.disabledCursorWindow == window)
+                updateClipRect(window);
+
+            // NOTE: This cannot use LOWORD/HIWORD recommended by MSDN, as
+            // those macros do not handle negative window positions correctly
+            _glfwInputWindowPos(window,
+                                GET_X_LPARAM(lParam),
+                                GET_Y_LPARAM(lParam));
+            return 0;
+        }
+
+        case WM_SIZING:
+        {
+            if (window->numer == GLFW_DONT_CARE ||
+                window->denom == GLFW_DONT_CARE)
+            {
+                break;
+            }
+
+            applyAspectRatio(window, (int) wParam, (RECT*) lParam);
+            return TRUE;
+        }
+
+        case WM_GETMINMAXINFO:
+        {
+            int xoff, yoff;
+            UINT dpi = USER_DEFAULT_SCREEN_DPI;
+            MINMAXINFO* mmi = (MINMAXINFO*) lParam;
+
+            if (window->monitor)
+                break;
+
+            if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+                dpi = GetDpiForWindow(window->win32.handle);
+
+            getFullWindowSize(getWindowStyle(window), getWindowExStyle(window),
+                              0, 0, &xoff, &yoff, dpi);
+
+            if (window->minwidth != GLFW_DONT_CARE &&
+                window->minheight != GLFW_DONT_CARE)
+            {
+                mmi->ptMinTrackSize.x = window->minwidth + xoff;
+                mmi->ptMinTrackSize.y = window->minheight + yoff;
+            }
+
+            if (window->maxwidth != GLFW_DONT_CARE &&
+                window->maxheight != GLFW_DONT_CARE)
+            {
+                mmi->ptMaxTrackSize.x = window->maxwidth + xoff;
+                mmi->ptMaxTrackSize.y = window->maxheight + yoff;
+            }
+
+            if (!window->decorated)
+            {
+                MONITORINFO mi;
+                const HMONITOR mh = MonitorFromWindow(window->win32.handle,
+                                                      MONITOR_DEFAULTTONEAREST);
+
+                ZeroMemory(&mi, sizeof(mi));
+                mi.cbSize = sizeof(mi);
+                GetMonitorInfoW(mh, &mi);
+
+                mmi->ptMaxPosition.x = mi.rcWork.left - mi.rcMonitor.left;
+                mmi->ptMaxPosition.y = mi.rcWork.top - mi.rcMonitor.top;
+                mmi->ptMaxSize.x = mi.rcWork.right - mi.rcWork.left;
+                mmi->ptMaxSize.y = mi.rcWork.bottom - mi.rcWork.top;
+            }
+
+            return 0;
+        }
+
+        case WM_PAINT:
+        {
+            _glfwInputWindowDamage(window);
+            break;
+        }
+
+        case WM_ERASEBKGND:
+        {
+            return TRUE;
+        }
+
+        case WM_NCACTIVATE:
+        case WM_NCPAINT:
+        {
+            // Prevent title bar from being drawn after restoring a minimized
+            // undecorated window
+            if (!window->decorated)
+                return TRUE;
+
+            break;
+        }
+
+        case WM_DWMCOMPOSITIONCHANGED:
+        case WM_DWMCOLORIZATIONCOLORCHANGED:
+        {
+            if (window->win32.transparent)
+                updateFramebufferTransparency(window);
+            return 0;
+        }
+
+        case WM_GETDPISCALEDSIZE:
+        {
+            if (window->win32.scaleToMonitor)
+                break;
+
+            // Adjust the window size to keep the content area size constant
+            if (_glfwIsWindows10CreatorsUpdateOrGreaterWin32())
+            {
+                RECT source = {0}, target = {0};
+                SIZE* size = (SIZE*) lParam;
+
+                AdjustWindowRectExForDpi(&source, getWindowStyle(window),
+                                         FALSE, getWindowExStyle(window),
+                                         GetDpiForWindow(window->win32.handle));
+                AdjustWindowRectExForDpi(&target, getWindowStyle(window),
+                                         FALSE, getWindowExStyle(window),
+                                         LOWORD(wParam));
+
+                size->cx += (target.right - target.left) -
+                            (source.right - source.left);
+                size->cy += (target.bottom - target.top) -
+                            (source.bottom - source.top);
+                return TRUE;
+            }
+
+            break;
+        }
+
+        case WM_DPICHANGED:
+        {
+            const float xscale = HIWORD(wParam) / (float) USER_DEFAULT_SCREEN_DPI;
+            const float yscale = LOWORD(wParam) / (float) USER_DEFAULT_SCREEN_DPI;
+
+            // Resize windowed mode windows that either permit rescaling or that
+            // need it to compensate for non-client area scaling
+            if (!window->monitor &&
+                (window->win32.scaleToMonitor ||
+                 _glfwIsWindows10CreatorsUpdateOrGreaterWin32()))
+            {
+                RECT* suggested = (RECT*) lParam;
+                SetWindowPos(window->win32.handle, HWND_TOP,
+                             suggested->left,
+                             suggested->top,
+                             suggested->right - suggested->left,
+                             suggested->bottom - suggested->top,
+                             SWP_NOACTIVATE | SWP_NOZORDER);
+            }
+
+            _glfwInputWindowContentScale(window, xscale, yscale);
+            break;
+        }
+
+        case WM_SETCURSOR:
+        {
+            if (LOWORD(lParam) == HTCLIENT)
+            {
+                updateCursorImage(window);
+                return TRUE;
+            }
+
+            break;
+        }
+
+        case WM_DROPFILES:
+        {
+            HDROP drop = (HDROP) wParam;
+            POINT pt;
+            int i;
+
+            const int count = DragQueryFileW(drop, 0xffffffff, NULL, 0);
+            char** paths = calloc(count, sizeof(char*));
+
+            // Move the mouse to the position of the drop
+            DragQueryPoint(drop, &pt);
+            _glfwInputCursorPos(window, pt.x, pt.y);
+
+            for (i = 0;  i < count;  i++)
+            {
+                const UINT length = DragQueryFileW(drop, i, NULL, 0);
+                WCHAR* buffer = calloc((size_t) length + 1, sizeof(WCHAR));
+
+                DragQueryFileW(drop, i, buffer, length + 1);
+                paths[i] = _glfwCreateUTF8FromWideStringWin32(buffer);
+
+                free(buffer);
+            }
+
+            _glfwInputDrop(window, count, (const char**) paths);
+
+            for (i = 0;  i < count;  i++)
+                free(paths[i]);
+            free(paths);
+
+            DragFinish(drop);
+            return 0;
+        }
+    }
+
+    return DefWindowProcW(hWnd, uMsg, wParam, lParam);
+}
+
+// Creates the GLFW window
+//
+static int createNativeWindow(_GLFWwindow* window,
+                              const _GLFWwndconfig* wndconfig,
+                              const _GLFWfbconfig* fbconfig)
+{
+    int xpos, ypos, fullWidth, fullHeight;
+    WCHAR* wideTitle;
+    DWORD style = getWindowStyle(window);
+    DWORD exStyle = getWindowExStyle(window);
+
+    if (window->monitor)
+    {
+        MONITORINFO mi = { sizeof(mi) };
+        GetMonitorInfoW(window->monitor->win32.handle, &mi);
+
+        // NOTE: This window placement is temporary and approximate, as the
+        //       correct position and size cannot be known until the monitor
+        //       video mode has been picked in _glfwSetVideoModeWin32
+        xpos = mi.rcMonitor.left;
+        ypos = mi.rcMonitor.top;
+        fullWidth  = mi.rcMonitor.right - mi.rcMonitor.left;
+        fullHeight = mi.rcMonitor.bottom - mi.rcMonitor.top;
+    }
+    else
+    {
+        xpos = CW_USEDEFAULT;
+        ypos = CW_USEDEFAULT;
+
+        window->win32.maximized = wndconfig->maximized;
+        if (wndconfig->maximized)
+            style |= WS_MAXIMIZE;
+
+        getFullWindowSize(style, exStyle,
+                          wndconfig->width, wndconfig->height,
+                          &fullWidth, &fullHeight,
+                          USER_DEFAULT_SCREEN_DPI);
+    }
+
+    wideTitle = _glfwCreateWideStringFromUTF8Win32(wndconfig->title);
+    if (!wideTitle)
+        return GLFW_FALSE;
+
+    window->win32.handle = CreateWindowExW(exStyle,
+                                           _GLFW_WNDCLASSNAME,
+                                           wideTitle,
+                                           style,
+                                           xpos, ypos,
+                                           fullWidth, fullHeight,
+                                           NULL, // No parent window
+                                           NULL, // No window menu
+                                           _glfw.win32.instance,
+                                           (LPVOID) wndconfig);
+
+    free(wideTitle);
+
+    if (!window->win32.handle)
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to create window");
+        return GLFW_FALSE;
+    }
+
+    SetPropW(window->win32.handle, L"GLFW", window);
+
+    if (IsWindows7OrGreater())
+    {
+        ChangeWindowMessageFilterEx(window->win32.handle,
+                                    WM_DROPFILES, MSGFLT_ALLOW, NULL);
+        ChangeWindowMessageFilterEx(window->win32.handle,
+                                    WM_COPYDATA, MSGFLT_ALLOW, NULL);
+        ChangeWindowMessageFilterEx(window->win32.handle,
+                                    WM_COPYGLOBALDATA, MSGFLT_ALLOW, NULL);
+    }
+
+    window->win32.scaleToMonitor = wndconfig->scaleToMonitor;
+
+    if (!window->monitor)
+    {
+        RECT rect = { 0, 0, wndconfig->width, wndconfig->height };
+        WINDOWPLACEMENT wp = { sizeof(wp) };
+        const HMONITOR mh = MonitorFromWindow(window->win32.handle,
+                                              MONITOR_DEFAULTTONEAREST);
+
+        // Adjust window rect to account for DPI scaling of the window frame and
+        // (if enabled) DPI scaling of the content area
+        // This cannot be done until we know what monitor the window was placed on
+        // Only update the restored window rect as the window may be maximized
+
+        if (wndconfig->scaleToMonitor)
+        {
+            float xscale, yscale;
+            _glfwGetMonitorContentScaleWin32(mh, &xscale, &yscale);
+
+            if (xscale > 0.f && yscale > 0.f)
+            {
+                rect.right = (int) (rect.right * xscale);
+                rect.bottom = (int) (rect.bottom * yscale);
+            }
+        }
+
+        if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+        {
+            AdjustWindowRectExForDpi(&rect, style, FALSE, exStyle,
+                                     GetDpiForWindow(window->win32.handle));
+        }
+        else
+            AdjustWindowRectEx(&rect, style, FALSE, exStyle);
+
+        GetWindowPlacement(window->win32.handle, &wp);
+        OffsetRect(&rect,
+                   wp.rcNormalPosition.left - rect.left,
+                   wp.rcNormalPosition.top - rect.top);
+
+        wp.rcNormalPosition = rect;
+        wp.showCmd = SW_HIDE;
+        SetWindowPlacement(window->win32.handle, &wp);
+
+        // Adjust rect of maximized undecorated window, because by default Windows will
+        // make such a window cover the whole monitor instead of its workarea
+
+        if (wndconfig->maximized && !wndconfig->decorated)
+        {
+            MONITORINFO mi = { sizeof(mi) };
+            GetMonitorInfoW(mh, &mi);
+
+            SetWindowPos(window->win32.handle, HWND_TOP,
+                         mi.rcWork.left,
+                         mi.rcWork.top,
+                         mi.rcWork.right - mi.rcWork.left,
+                         mi.rcWork.bottom - mi.rcWork.top,
+                         SWP_NOACTIVATE | SWP_NOZORDER);
+        }
+    }
+
+    DragAcceptFiles(window->win32.handle, TRUE);
+
+    if (fbconfig->transparent)
+    {
+        updateFramebufferTransparency(window);
+        window->win32.transparent = GLFW_TRUE;
+    }
+
+    _glfwPlatformGetWindowSize(window, &window->win32.width, &window->win32.height);
+
+    return GLFW_TRUE;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW internal API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+// Registers the GLFW window class
+//
+GLFWbool _glfwRegisterWindowClassWin32(void)
+{
+    WNDCLASSEXW wc;
+
+    ZeroMemory(&wc, sizeof(wc));
+    wc.cbSize        = sizeof(wc);
+    wc.style         = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
+    wc.lpfnWndProc   = windowProc;
+    wc.hInstance     = _glfw.win32.instance;
+    wc.hCursor       = LoadCursorW(NULL, IDC_ARROW);
+    wc.lpszClassName = _GLFW_WNDCLASSNAME;
+
+    // Load user-provided icon if available
+    wc.hIcon = LoadImageW(GetModuleHandleW(NULL),
+                          L"GLFW_ICON", IMAGE_ICON,
+                          0, 0, LR_DEFAULTSIZE | LR_SHARED);
+    if (!wc.hIcon)
+    {
+        // No user-provided icon found, load default icon
+        wc.hIcon = LoadImageW(NULL,
+                              IDI_APPLICATION, IMAGE_ICON,
+                              0, 0, LR_DEFAULTSIZE | LR_SHARED);
+    }
+
+    if (!RegisterClassExW(&wc))
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to register window class");
+        return GLFW_FALSE;
+    }
+
+    return GLFW_TRUE;
+}
+
+// Unregisters the GLFW window class
+//
+void _glfwUnregisterWindowClassWin32(void)
+{
+    UnregisterClassW(_GLFW_WNDCLASSNAME, _glfw.win32.instance);
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW platform API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+int _glfwPlatformCreateWindow(_GLFWwindow* window,
+                              const _GLFWwndconfig* wndconfig,
+                              const _GLFWctxconfig* ctxconfig,
+                              const _GLFWfbconfig* fbconfig)
+{
+    if (!createNativeWindow(window, wndconfig, fbconfig))
+        return GLFW_FALSE;
+
+    if (ctxconfig->client != GLFW_NO_API)
+    {
+        if (ctxconfig->source == GLFW_NATIVE_CONTEXT_API)
+        {
+            if (!_glfwInitWGL())
+                return GLFW_FALSE;
+            if (!_glfwCreateContextWGL(window, ctxconfig, fbconfig))
+                return GLFW_FALSE;
+        }
+        else if (ctxconfig->source == GLFW_EGL_CONTEXT_API)
+        {
+            if (!_glfwInitEGL())
+                return GLFW_FALSE;
+            if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
+                return GLFW_FALSE;
+        }
+        else if (ctxconfig->source == GLFW_OSMESA_CONTEXT_API)
+        {
+            if (!_glfwInitOSMesa())
+                return GLFW_FALSE;
+            if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
+                return GLFW_FALSE;
+        }
+
+        if (!_glfwRefreshContextAttribs(window, ctxconfig))
+            return GLFW_FALSE;
+    }
+
+    if (window->monitor)
+    {
+        _glfwPlatformShowWindow(window);
+        _glfwPlatformFocusWindow(window);
+        acquireMonitor(window);
+        fitToMonitor(window);
+
+        if (wndconfig->centerCursor)
+            _glfwCenterCursorInContentArea(window);
+    }
+    else
+    {
+        if (wndconfig->visible)
+        {
+            _glfwPlatformShowWindow(window);
+            if (wndconfig->focused)
+                _glfwPlatformFocusWindow(window);
+        }
+    }
+
+    return GLFW_TRUE;
+}
+
+void _glfwPlatformDestroyWindow(_GLFWwindow* window)
+{
+    if (window->monitor)
+        releaseMonitor(window);
+
+    if (window->context.destroy)
+        window->context.destroy(window);
+
+    if (_glfw.win32.disabledCursorWindow == window)
+        _glfw.win32.disabledCursorWindow = NULL;
+
+    if (window->win32.handle)
+    {
+        RemovePropW(window->win32.handle, L"GLFW");
+        DestroyWindow(window->win32.handle);
+        window->win32.handle = NULL;
+    }
+
+    if (window->win32.bigIcon)
+        DestroyIcon(window->win32.bigIcon);
+
+    if (window->win32.smallIcon)
+        DestroyIcon(window->win32.smallIcon);
+}
+
+void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
+{
+    WCHAR* wideTitle = _glfwCreateWideStringFromUTF8Win32(title);
+    if (!wideTitle)
+        return;
+
+    SetWindowTextW(window->win32.handle, wideTitle);
+    free(wideTitle);
+}
+
+void _glfwPlatformSetWindowIcon(_GLFWwindow* window,
+                                int count, const GLFWimage* images)
+{
+    HICON bigIcon = NULL, smallIcon = NULL;
+
+    if (count)
+    {
+        const GLFWimage* bigImage = chooseImage(count, images,
+                                                GetSystemMetrics(SM_CXICON),
+                                                GetSystemMetrics(SM_CYICON));
+        const GLFWimage* smallImage = chooseImage(count, images,
+                                                  GetSystemMetrics(SM_CXSMICON),
+                                                  GetSystemMetrics(SM_CYSMICON));
+
+        bigIcon = createIcon(bigImage, 0, 0, GLFW_TRUE);
+        smallIcon = createIcon(smallImage, 0, 0, GLFW_TRUE);
+    }
+    else
+    {
+        bigIcon = (HICON) GetClassLongPtrW(window->win32.handle, GCLP_HICON);
+        smallIcon = (HICON) GetClassLongPtrW(window->win32.handle, GCLP_HICONSM);
+    }
+
+    SendMessageW(window->win32.handle, WM_SETICON, ICON_BIG, (LPARAM) bigIcon);
+    SendMessageW(window->win32.handle, WM_SETICON, ICON_SMALL, (LPARAM) smallIcon);
+
+    if (window->win32.bigIcon)
+        DestroyIcon(window->win32.bigIcon);
+
+    if (window->win32.smallIcon)
+        DestroyIcon(window->win32.smallIcon);
+
+    if (count)
+    {
+        window->win32.bigIcon = bigIcon;
+        window->win32.smallIcon = smallIcon;
+    }
+}
+
+void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
+{
+    POINT pos = { 0, 0 };
+    ClientToScreen(window->win32.handle, &pos);
+
+    if (xpos)
+        *xpos = pos.x;
+    if (ypos)
+        *ypos = pos.y;
+}
+
+void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
+{
+    RECT rect = { xpos, ypos, xpos, ypos };
+
+    if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+    {
+        AdjustWindowRectExForDpi(&rect, getWindowStyle(window),
+                                 FALSE, getWindowExStyle(window),
+                                 GetDpiForWindow(window->win32.handle));
+    }
+    else
+    {
+        AdjustWindowRectEx(&rect, getWindowStyle(window),
+                           FALSE, getWindowExStyle(window));
+    }
+
+    SetWindowPos(window->win32.handle, NULL, rect.left, rect.top, 0, 0,
+                 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOSIZE);
+}
+
+void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
+{
+    RECT area;
+    GetClientRect(window->win32.handle, &area);
+
+    if (width)
+        *width = area.right;
+    if (height)
+        *height = area.bottom;
+}
+
+void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
+{
+    if (window->monitor)
+    {
+        if (window->monitor->window == window)
+        {
+            acquireMonitor(window);
+            fitToMonitor(window);
+        }
+    }
+    else
+    {
+        RECT rect = { 0, 0, width, height };
+
+        if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+        {
+            AdjustWindowRectExForDpi(&rect, getWindowStyle(window),
+                                     FALSE, getWindowExStyle(window),
+                                     GetDpiForWindow(window->win32.handle));
+        }
+        else
+        {
+            AdjustWindowRectEx(&rect, getWindowStyle(window),
+                               FALSE, getWindowExStyle(window));
+        }
+
+        SetWindowPos(window->win32.handle, HWND_TOP,
+                     0, 0, rect.right - rect.left, rect.bottom - rect.top,
+                     SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOMOVE | SWP_NOZORDER);
+    }
+}
+
+void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
+                                      int minwidth, int minheight,
+                                      int maxwidth, int maxheight)
+{
+    RECT area;
+
+    if ((minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE) &&
+        (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE))
+    {
+        return;
+    }
+
+    GetWindowRect(window->win32.handle, &area);
+    MoveWindow(window->win32.handle,
+               area.left, area.top,
+               area.right - area.left,
+               area.bottom - area.top, TRUE);
+}
+
+void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom)
+{
+    RECT area;
+
+    if (numer == GLFW_DONT_CARE || denom == GLFW_DONT_CARE)
+        return;
+
+    GetWindowRect(window->win32.handle, &area);
+    applyAspectRatio(window, WMSZ_BOTTOMRIGHT, &area);
+    MoveWindow(window->win32.handle,
+               area.left, area.top,
+               area.right - area.left,
+               area.bottom - area.top, TRUE);
+}
+
+void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height)
+{
+    _glfwPlatformGetWindowSize(window, width, height);
+}
+
+void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
+                                     int* left, int* top,
+                                     int* right, int* bottom)
+{
+    RECT rect;
+    int width, height;
+
+    _glfwPlatformGetWindowSize(window, &width, &height);
+    SetRect(&rect, 0, 0, width, height);
+
+    if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+    {
+        AdjustWindowRectExForDpi(&rect, getWindowStyle(window),
+                                 FALSE, getWindowExStyle(window),
+                                 GetDpiForWindow(window->win32.handle));
+    }
+    else
+    {
+        AdjustWindowRectEx(&rect, getWindowStyle(window),
+                           FALSE, getWindowExStyle(window));
+    }
+
+    if (left)
+        *left = -rect.left;
+    if (top)
+        *top = -rect.top;
+    if (right)
+        *right = rect.right - width;
+    if (bottom)
+        *bottom = rect.bottom - height;
+}
+
+void _glfwPlatformGetWindowContentScale(_GLFWwindow* window,
+                                        float* xscale, float* yscale)
+{
+    const HANDLE handle = MonitorFromWindow(window->win32.handle,
+                                            MONITOR_DEFAULTTONEAREST);
+    _glfwGetMonitorContentScaleWin32(handle, xscale, yscale);
+}
+
+void _glfwPlatformIconifyWindow(_GLFWwindow* window)
+{
+    ShowWindow(window->win32.handle, SW_MINIMIZE);
+}
+
+void _glfwPlatformRestoreWindow(_GLFWwindow* window)
+{
+    ShowWindow(window->win32.handle, SW_RESTORE);
+}
+
+void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
+{
+    if (IsWindowVisible(window->win32.handle))
+        ShowWindow(window->win32.handle, SW_MAXIMIZE);
+    else
+        maximizeWindowManually(window);
+}
+
+void _glfwPlatformShowWindow(_GLFWwindow* window)
+{
+    ShowWindow(window->win32.handle, SW_SHOWNA);
+}
+
+void _glfwPlatformHideWindow(_GLFWwindow* window)
+{
+    ShowWindow(window->win32.handle, SW_HIDE);
+}
+
+void _glfwPlatformRequestWindowAttention(_GLFWwindow* window)
+{
+    FlashWindow(window->win32.handle, TRUE);
+}
+
+void _glfwPlatformFocusWindow(_GLFWwindow* window)
+{
+    BringWindowToTop(window->win32.handle);
+    SetForegroundWindow(window->win32.handle);
+    SetFocus(window->win32.handle);
+}
+
+void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
+                                   _GLFWmonitor* monitor,
+                                   int xpos, int ypos,
+                                   int width, int height,
+                                   int refreshRate)
+{
+    if (window->monitor == monitor)
+    {
+        if (monitor)
+        {
+            if (monitor->window == window)
+            {
+                acquireMonitor(window);
+                fitToMonitor(window);
+            }
+        }
+        else
+        {
+            RECT rect = { xpos, ypos, xpos + width, ypos + height };
+
+            if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+            {
+                AdjustWindowRectExForDpi(&rect, getWindowStyle(window),
+                                         FALSE, getWindowExStyle(window),
+                                         GetDpiForWindow(window->win32.handle));
+            }
+            else
+            {
+                AdjustWindowRectEx(&rect, getWindowStyle(window),
+                                   FALSE, getWindowExStyle(window));
+            }
+
+            SetWindowPos(window->win32.handle, HWND_TOP,
+                         rect.left, rect.top,
+                         rect.right - rect.left, rect.bottom - rect.top,
+                         SWP_NOCOPYBITS | SWP_NOACTIVATE | SWP_NOZORDER);
+        }
+
+        return;
+    }
+
+    if (window->monitor)
+        releaseMonitor(window);
+
+    _glfwInputWindowMonitor(window, monitor);
+
+    if (window->monitor)
+    {
+        MONITORINFO mi = { sizeof(mi) };
+        UINT flags = SWP_SHOWWINDOW | SWP_NOACTIVATE | SWP_NOCOPYBITS;
+
+        if (window->decorated)
+        {
+            DWORD style = GetWindowLongW(window->win32.handle, GWL_STYLE);
+            style &= ~WS_OVERLAPPEDWINDOW;
+            style |= getWindowStyle(window);
+            SetWindowLongW(window->win32.handle, GWL_STYLE, style);
+            flags |= SWP_FRAMECHANGED;
+        }
+
+        acquireMonitor(window);
+
+        GetMonitorInfoW(window->monitor->win32.handle, &mi);
+        SetWindowPos(window->win32.handle, HWND_TOPMOST,
+                     mi.rcMonitor.left,
+                     mi.rcMonitor.top,
+                     mi.rcMonitor.right - mi.rcMonitor.left,
+                     mi.rcMonitor.bottom - mi.rcMonitor.top,
+                     flags);
+    }
+    else
+    {
+        HWND after;
+        RECT rect = { xpos, ypos, xpos + width, ypos + height };
+        DWORD style = GetWindowLongW(window->win32.handle, GWL_STYLE);
+        UINT flags = SWP_NOACTIVATE | SWP_NOCOPYBITS;
+
+        if (window->decorated)
+        {
+            style &= ~WS_POPUP;
+            style |= getWindowStyle(window);
+            SetWindowLongW(window->win32.handle, GWL_STYLE, style);
+
+            flags |= SWP_FRAMECHANGED;
+        }
+
+        if (window->floating)
+            after = HWND_TOPMOST;
+        else
+            after = HWND_NOTOPMOST;
+
+        if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
+        {
+            AdjustWindowRectExForDpi(&rect, getWindowStyle(window),
+                                     FALSE, getWindowExStyle(window),
+                                     GetDpiForWindow(window->win32.handle));
+        }
+        else
+        {
+            AdjustWindowRectEx(&rect, getWindowStyle(window),
+                               FALSE, getWindowExStyle(window));
+        }
+
+        SetWindowPos(window->win32.handle, after,
+                     rect.left, rect.top,
+                     rect.right - rect.left, rect.bottom - rect.top,
+                     flags);
+    }
+}
+
+int _glfwPlatformWindowFocused(_GLFWwindow* window)
+{
+    return window->win32.handle == GetActiveWindow();
+}
+
+int _glfwPlatformWindowIconified(_GLFWwindow* window)
+{
+    return IsIconic(window->win32.handle);
+}
+
+int _glfwPlatformWindowVisible(_GLFWwindow* window)
+{
+    return IsWindowVisible(window->win32.handle);
+}
+
+int _glfwPlatformWindowMaximized(_GLFWwindow* window)
+{
+    return IsZoomed(window->win32.handle);
+}
+
+int _glfwPlatformWindowHovered(_GLFWwindow* window)
+{
+    return cursorInContentArea(window);
+}
+
+int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
+{
+    BOOL composition, opaque;
+    DWORD color;
+
+    if (!window->win32.transparent)
+        return GLFW_FALSE;
+
+    if (!IsWindowsVistaOrGreater())
+        return GLFW_FALSE;
+
+    if (FAILED(DwmIsCompositionEnabled(&composition)) || !composition)
+        return GLFW_FALSE;
+
+    if (!IsWindows8OrGreater())
+    {
+        // HACK: Disable framebuffer transparency on Windows 7 when the
+        //       colorization color is opaque, because otherwise the window
+        //       contents is blended additively with the previous frame instead
+        //       of replacing it
+        if (FAILED(DwmGetColorizationColor(&color, &opaque)) || opaque)
+            return GLFW_FALSE;
+    }
+
+    return GLFW_TRUE;
+}
+
+void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled)
+{
+    updateWindowStyles(window);
+}
+
+void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled)
+{
+    updateWindowStyles(window);
+}
+
+void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled)
+{
+    const HWND after = enabled ? HWND_TOPMOST : HWND_NOTOPMOST;
+    SetWindowPos(window->win32.handle, after, 0, 0, 0, 0,
+                 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
+}
+
+float _glfwPlatformGetWindowOpacity(_GLFWwindow* window)
+{
+    BYTE alpha;
+    DWORD flags;
+
+    if ((GetWindowLongW(window->win32.handle, GWL_EXSTYLE) & WS_EX_LAYERED) &&
+        GetLayeredWindowAttributes(window->win32.handle, NULL, &alpha, &flags))
+    {
+        if (flags & LWA_ALPHA)
+            return alpha / 255.f;
+    }
+
+    return 1.f;
+}
+
+void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity)
+{
+    if (opacity < 1.f)
+    {
+        const BYTE alpha = (BYTE) (255 * opacity);
+        DWORD style = GetWindowLongW(window->win32.handle, GWL_EXSTYLE);
+        style |= WS_EX_LAYERED;
+        SetWindowLongW(window->win32.handle, GWL_EXSTYLE, style);
+        SetLayeredWindowAttributes(window->win32.handle, 0, alpha, LWA_ALPHA);
+    }
+    else
+    {
+        DWORD style = GetWindowLongW(window->win32.handle, GWL_EXSTYLE);
+        style &= ~WS_EX_LAYERED;
+        SetWindowLongW(window->win32.handle, GWL_EXSTYLE, style);
+    }
+}
+
+void _glfwPlatformSetRawMouseMotion(_GLFWwindow *window, GLFWbool enabled)
+{
+    if (_glfw.win32.disabledCursorWindow != window)
+        return;
+
+    if (enabled)
+        enableRawMouseMotion(window);
+    else
+        disableRawMouseMotion(window);
+}
+
+GLFWbool _glfwPlatformRawMouseMotionSupported(void)
+{
+    return GLFW_TRUE;
+}
+
+void _glfwPlatformPollEvents(void)
+{
+    MSG msg;
+    HWND handle;
+    _GLFWwindow* window;
+
+    while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
+    {
+        if (msg.message == WM_QUIT)
+        {
+            // NOTE: While GLFW does not itself post WM_QUIT, other processes
+            //       may post it to this one, for example Task Manager
+            // HACK: Treat WM_QUIT as a close on all windows
+
+            window = _glfw.windowListHead;
+            while (window)
+            {
+                _glfwInputWindowCloseRequest(window);
+                window = window->next;
+            }
+        }
+        else
+        {
+            TranslateMessage(&msg);
+            DispatchMessageW(&msg);
+        }
+    }
+
+    // HACK: Release modifier keys that the system did not emit KEYUP for
+    // NOTE: Shift keys on Windows tend to "stick" when both are pressed as
+    //       no key up message is generated by the first key release
+    // NOTE: Windows key is not reported as released by the Win+V hotkey
+    //       Other Win hotkeys are handled implicitly by _glfwInputWindowFocus
+    //       because they change the input focus
+    // NOTE: The other half of this is in the WM_*KEY* handler in windowProc
+    handle = GetActiveWindow();
+    if (handle)
+    {
+        window = GetPropW(handle, L"GLFW");
+        if (window)
+        {
+            int i;
+            const int keys[4][2] =
+            {
+                { VK_LSHIFT, GLFW_KEY_LEFT_SHIFT },
+                { VK_RSHIFT, GLFW_KEY_RIGHT_SHIFT },
+                { VK_LWIN, GLFW_KEY_LEFT_SUPER },
+                { VK_RWIN, GLFW_KEY_RIGHT_SUPER }
+            };
+
+            for (i = 0;  i < 4;  i++)
+            {
+                const int vk = keys[i][0];
+                const int key = keys[i][1];
+                const int scancode = _glfw.win32.scancodes[key];
+
+                if ((GetKeyState(vk) & 0x8000))
+                    continue;
+                if (window->keys[key] != GLFW_PRESS)
+                    continue;
+
+                _glfwInputKey(window, key, scancode, GLFW_RELEASE, getKeyMods());
+            }
+        }
+    }
+
+    window = _glfw.win32.disabledCursorWindow;
+    if (window)
+    {
+        int width, height;
+        _glfwPlatformGetWindowSize(window, &width, &height);
+
+        // NOTE: Re-center the cursor only if it has moved since the last call,
+        //       to avoid breaking glfwWaitEvents with WM_MOUSEMOVE
+        if (window->win32.lastCursorPosX != width / 2 ||
+            window->win32.lastCursorPosY != height / 2)
+        {
+            _glfwPlatformSetCursorPos(window, width / 2, height / 2);
+        }
+    }
+}
+
+void _glfwPlatformWaitEvents(void)
+{
+    WaitMessage();
+
+    _glfwPlatformPollEvents();
+}
+
+void _glfwPlatformWaitEventsTimeout(double timeout)
+{
+    MsgWaitForMultipleObjects(0, NULL, FALSE, (DWORD) (timeout * 1e3), QS_ALLEVENTS);
+
+    _glfwPlatformPollEvents();
+}
+
+void _glfwPlatformPostEmptyEvent(void)
+{
+    PostMessageW(_glfw.win32.helperWindowHandle, WM_NULL, 0, 0);
+}
+
+void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
+{
+    POINT pos;
+
+    if (GetCursorPos(&pos))
+    {
+        ScreenToClient(window->win32.handle, &pos);
+
+        if (xpos)
+            *xpos = pos.x;
+        if (ypos)
+            *ypos = pos.y;
+    }
+}
+
+void _glfwPlatformSetCursorPos(_GLFWwindow* window, double xpos, double ypos)
+{
+    POINT pos = { (int) xpos, (int) ypos };
+
+    // Store the new position so it can be recognized later
+    window->win32.lastCursorPosX = pos.x;
+    window->win32.lastCursorPosY = pos.y;
+
+    ClientToScreen(window->win32.handle, &pos);
+    SetCursorPos(pos.x, pos.y);
+}
+
+void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode)
+{
+    if (mode == GLFW_CURSOR_DISABLED)
+    {
+        if (_glfwPlatformWindowFocused(window))
+            disableCursor(window);
+    }
+    else if (_glfw.win32.disabledCursorWindow == window)
+        enableCursor(window);
+    else if (cursorInContentArea(window))
+        updateCursorImage(window);
+}
+
+const char* _glfwPlatformGetScancodeName(int scancode)
+{
+    if (scancode < 0 || scancode > (KF_EXTENDED | 0xff) ||
+        _glfw.win32.keycodes[scancode] == GLFW_KEY_UNKNOWN)
+    {
+        _glfwInputError(GLFW_INVALID_VALUE, "Invalid scancode %i", scancode);
+        return NULL;
+    }
+
+    return _glfw.win32.keynames[_glfw.win32.keycodes[scancode]];
+}
+
+int _glfwPlatformGetKeyScancode(int key)
+{
+    return _glfw.win32.scancodes[key];
+}
+
+int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
+                              const GLFWimage* image,
+                              int xhot, int yhot)
+{
+    cursor->win32.handle = (HCURSOR) createIcon(image, xhot, yhot, GLFW_FALSE);
+    if (!cursor->win32.handle)
+        return GLFW_FALSE;
+
+    return GLFW_TRUE;
+}
+
+int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
+{
+    int id = 0;
+
+    if (shape == GLFW_ARROW_CURSOR)
+        id = OCR_NORMAL;
+    else if (shape == GLFW_IBEAM_CURSOR)
+        id = OCR_IBEAM;
+    else if (shape == GLFW_CROSSHAIR_CURSOR)
+        id = OCR_CROSS;
+    else if (shape == GLFW_HAND_CURSOR)
+        id = OCR_HAND;
+    else if (shape == GLFW_HRESIZE_CURSOR)
+        id = OCR_SIZEWE;
+    else if (shape == GLFW_VRESIZE_CURSOR)
+        id = OCR_SIZENS;
+    else
+        return GLFW_FALSE;
+
+    cursor->win32.handle = LoadImageW(NULL,
+                                      MAKEINTRESOURCEW(id), IMAGE_CURSOR, 0, 0,
+                                      LR_DEFAULTSIZE | LR_SHARED);
+    if (!cursor->win32.handle)
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to create standard cursor");
+        return GLFW_FALSE;
+    }
+
+    return GLFW_TRUE;
+}
+
+void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
+{
+    if (cursor->win32.handle)
+        DestroyIcon((HICON) cursor->win32.handle);
+}
+
+void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
+{
+    if (cursorInContentArea(window))
+        updateCursorImage(window);
+}
+
+void _glfwPlatformSetClipboardString(const char* string)
+{
+    int characterCount;
+    HANDLE object;
+    WCHAR* buffer;
+
+    characterCount = MultiByteToWideChar(CP_UTF8, 0, string, -1, NULL, 0);
+    if (!characterCount)
+        return;
+
+    object = GlobalAlloc(GMEM_MOVEABLE, characterCount * sizeof(WCHAR));
+    if (!object)
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to allocate global handle for clipboard");
+        return;
+    }
+
+    buffer = GlobalLock(object);
+    if (!buffer)
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to lock global handle");
+        GlobalFree(object);
+        return;
+    }
+
+    MultiByteToWideChar(CP_UTF8, 0, string, -1, buffer, characterCount);
+    GlobalUnlock(object);
+
+    if (!OpenClipboard(_glfw.win32.helperWindowHandle))
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to open clipboard");
+        GlobalFree(object);
+        return;
+    }
+
+    EmptyClipboard();
+    SetClipboardData(CF_UNICODETEXT, object);
+    CloseClipboard();
+}
+
+const char* _glfwPlatformGetClipboardString(void)
+{
+    HANDLE object;
+    WCHAR* buffer;
+
+    if (!OpenClipboard(_glfw.win32.helperWindowHandle))
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to open clipboard");
+        return NULL;
+    }
+
+    object = GetClipboardData(CF_UNICODETEXT);
+    if (!object)
+    {
+        _glfwInputErrorWin32(GLFW_FORMAT_UNAVAILABLE,
+                             "Win32: Failed to convert clipboard to string");
+        CloseClipboard();
+        return NULL;
+    }
+
+    buffer = GlobalLock(object);
+    if (!buffer)
+    {
+        _glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
+                             "Win32: Failed to lock global handle");
+        CloseClipboard();
+        return NULL;
+    }
+
+    free(_glfw.win32.clipboardString);
+    _glfw.win32.clipboardString = _glfwCreateUTF8FromWideStringWin32(buffer);
+
+    GlobalUnlock(object);
+    CloseClipboard();
+
+    return _glfw.win32.clipboardString;
+}
+
+void _glfwPlatformGetRequiredInstanceExtensions(char** extensions)
+{
+    if (!_glfw.vk.KHR_surface || !_glfw.vk.KHR_win32_surface)
+        return;
+
+    extensions[0] = "VK_KHR_surface";
+    extensions[1] = "VK_KHR_win32_surface";
+}
+
+int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance,
+                                                      VkPhysicalDevice device,
+                                                      uint32_t queuefamily)
+{
+    PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR
+        vkGetPhysicalDeviceWin32PresentationSupportKHR =
+        (PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR)
+        vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceWin32PresentationSupportKHR");
+    if (!vkGetPhysicalDeviceWin32PresentationSupportKHR)
+    {
+        _glfwInputError(GLFW_API_UNAVAILABLE,
+                        "Win32: Vulkan instance missing VK_KHR_win32_surface extension");
+        return GLFW_FALSE;
+    }
+
+    return vkGetPhysicalDeviceWin32PresentationSupportKHR(device, queuefamily);
+}
+
+VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
+                                          _GLFWwindow* window,
+                                          const VkAllocationCallbacks* allocator,
+                                          VkSurfaceKHR* surface)
+{
+    VkResult err;
+    VkWin32SurfaceCreateInfoKHR sci;
+    PFN_vkCreateWin32SurfaceKHR vkCreateWin32SurfaceKHR;
+
+    vkCreateWin32SurfaceKHR = (PFN_vkCreateWin32SurfaceKHR)
+        vkGetInstanceProcAddr(instance, "vkCreateWin32SurfaceKHR");
+    if (!vkCreateWin32SurfaceKHR)
+    {
+        _glfwInputError(GLFW_API_UNAVAILABLE,
+                        "Win32: Vulkan instance missing VK_KHR_win32_surface extension");
+        return VK_ERROR_EXTENSION_NOT_PRESENT;
+    }
+
+    memset(&sci, 0, sizeof(sci));
+    sci.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
+    sci.hinstance = _glfw.win32.instance;
+    sci.hwnd = window->win32.handle;
+
+    err = vkCreateWin32SurfaceKHR(instance, &sci, allocator, surface);
+    if (err)
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Win32: Failed to create Vulkan surface: %s",
+                        _glfwGetVulkanResultString(err));
+    }
+
+    return err;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                        GLFW native API                       //////
+//////////////////////////////////////////////////////////////////////////
+
+GLFWAPI HWND glfwGetWin32Window(GLFWwindow* handle)
+{
+    _GLFWwindow* window = (_GLFWwindow*) handle;
+    _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
+    return window->win32.handle;
+}
+