diff options
Diffstat (limited to 'glfw-3.2.1/src/win32_window.c')
| -rw-r--r-- | glfw-3.2.1/src/win32_window.c | 1724 |
1 files changed, 1724 insertions, 0 deletions
diff --git a/glfw-3.2.1/src/win32_window.c b/glfw-3.2.1/src/win32_window.c new file mode 100644 index 0000000..8e30eb6 --- /dev/null +++ b/glfw-3.2.1/src/win32_window.c @@ -0,0 +1,1724 @@ +//======================================================================== +// GLFW 3.2 Win32 - www.glfw.org +//------------------------------------------------------------------------ +// Copyright (c) 2002-2006 Marcus Geelnard +// Copyright (c) 2006-2016 Camilla Berglund <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. +// +//======================================================================== + +#include "internal.h" + +#include <limits.h> +#include <stdlib.h> +#include <malloc.h> +#include <string.h> +#include <windowsx.h> +#include <shellapi.h> + +#define _GLFW_KEY_INVALID -2 + +// 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 + { + if (window->decorated) + { + style |= WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX; + + 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(BITMAPV5HEADER); + 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) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Win32: Failed to create RGBA bitmap"); + return NULL; + } + + mask = CreateBitmap(image->width, image->height, 1, 1, NULL); + if (!mask) + { + _glfwInputError(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) + _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to create icon"); + else + _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to create cursor"); + } + + return handle; +} + +// Translate client window size to full window size according to styles +// +static void getFullWindowSize(DWORD style, DWORD exStyle, + int clientWidth, int clientHeight, + int* fullWidth, int* fullHeight) +{ + RECT rect = { 0, 0, clientWidth, clientHeight }; + AdjustWindowRectEx(&rect, style, FALSE, exStyle); + *fullWidth = rect.right - rect.left; + *fullHeight = rect.bottom - rect.top; +} + +// Enforce the client rect aspect ratio based on which edge is being dragged +// +static void applyAspectRatio(_GLFWwindow* window, int edge, RECT* area) +{ + int xoff, yoff; + const float ratio = (float) window->numer / (float) window->denom; + + getFullWindowSize(getWindowStyle(window), getWindowExStyle(window), + 0, 0, &xoff, &yoff); + + 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); + } +} + +// Centers the cursor over the window client area +// +static void centerCursor(_GLFWwindow* window) +{ + int width, height; + _glfwPlatformGetWindowSize(window, &width, &height); + _glfwPlatformSetCursorPos(window, width / 2.0, height / 2.0); +} + +// Returns whether the cursor is in the client area of the specified window +// +static GLFWbool cursorInClientArea(_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); +} + +// 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); +} + +// Translates a GLFW standard cursor to a resource ID +// +static LPWSTR translateCursorShape(int shape) +{ + switch (shape) + { + case GLFW_ARROW_CURSOR: + return IDC_ARROW; + case GLFW_IBEAM_CURSOR: + return IDC_IBEAM; + case GLFW_CROSSHAIR_CURSOR: + return IDC_CROSS; + case GLFW_HAND_CURSOR: + return IDC_HAND; + case GLFW_HRESIZE_CURSOR: + return IDC_SIZEWE; + case GLFW_VRESIZE_CURSOR: + return IDC_SIZENS; + } + + return NULL; +} + +// Retrieves and translates modifier keys +// +static int getKeyMods(void) +{ + int mods = 0; + + if (GetKeyState(VK_SHIFT) & (1 << 31)) + mods |= GLFW_MOD_SHIFT; + if (GetKeyState(VK_CONTROL) & (1 << 31)) + mods |= GLFW_MOD_CONTROL; + if (GetKeyState(VK_MENU) & (1 << 31)) + mods |= GLFW_MOD_ALT; + if ((GetKeyState(VK_LWIN) | GetKeyState(VK_RWIN)) & (1 << 31)) + mods |= GLFW_MOD_SUPER; + + return mods; +} + +// Retrieves and translates modifier keys +// +static int getAsyncKeyMods(void) +{ + int mods = 0; + + if (GetAsyncKeyState(VK_SHIFT) & (1 << 31)) + mods |= GLFW_MOD_SHIFT; + if (GetAsyncKeyState(VK_CONTROL) & (1 << 31)) + mods |= GLFW_MOD_CONTROL; + if (GetAsyncKeyState(VK_MENU) & (1 << 31)) + mods |= GLFW_MOD_ALT; + if ((GetAsyncKeyState(VK_LWIN) | GetAsyncKeyState(VK_RWIN)) & (1 << 31)) + mods |= GLFW_MOD_SUPER; + + return mods; +} + +// Translates a Windows key to the corresponding GLFW key +// +static int translateKey(WPARAM wParam, LPARAM lParam) +{ + if (wParam == VK_CONTROL) + { + // The CTRL keys require special handling + + MSG next; + DWORD time; + + // Is this an extended key (i.e. right key)? + if (lParam & 0x01000000) + return GLFW_KEY_RIGHT_CONTROL; + + // Here is a trick: "Alt Gr" sends LCTRL, then RALT. We only + // want the RALT message, so we try to see if the next message + // is a RALT message. In that case, this is a false LCTRL! + 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 && + (next.lParam & 0x01000000) && + next.time == time) + { + // Next message is a RALT down message, which + // means that this is not a proper LCTRL message + return _GLFW_KEY_INVALID; + } + } + } + + return GLFW_KEY_LEFT_CONTROL; + } + + if (wParam == VK_PROCESSKEY) + { + // IME notifies that keys have been filtered by setting the virtual + // key-code to VK_PROCESSKEY + return _GLFW_KEY_INVALID; + } + + return _glfw.win32.publicKeys[HIWORD(lParam) & 0x1FF]; +} + +// Make the specified window and its video mode active on its monitor +// +static GLFWbool acquireMonitor(_GLFWwindow* window) +{ + GLFWvidmode mode; + GLFWbool status; + int xpos, ypos; + + status = _glfwSetVideoModeWin32(window->monitor, &window->videoMode); + + _glfwPlatformGetVideoMode(window->monitor, &mode); + _glfwPlatformGetMonitorPos(window->monitor, &xpos, &ypos); + + SetWindowPos(window->win32.handle, HWND_TOPMOST, + xpos, ypos, mode.width, mode.height, + SWP_NOACTIVATE | SWP_NOCOPYBITS); + + _glfwInputMonitorWindowChange(window->monitor, window); + return status; +} + +// Remove the window and restore the original video mode +// +static void releaseMonitor(_GLFWwindow* window) +{ + if (window->monitor->window != window) + return; + + _glfwInputMonitorWindowChange(window->monitor, NULL); + _glfwRestoreVideoModeWin32(window->monitor); +} + +// 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 + + switch (uMsg) + { + case WM_DEVICECHANGE: + { + if (wParam == DBT_DEVNODES_CHANGED) + { + _glfwInputMonitorChange(); + return TRUE; + } + else if (wParam == DBT_DEVICEARRIVAL) + { + DEV_BROADCAST_HDR* dbh = (DEV_BROADCAST_HDR*) lParam; + if (dbh) + { + if (dbh->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) + _glfwDetectJoystickConnectionWin32(); + } + } + else if (wParam == DBT_DEVICEREMOVECOMPLETE) + { + DEV_BROADCAST_HDR* dbh = (DEV_BROADCAST_HDR*) lParam; + if (dbh) + { + if (dbh->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) + _glfwDetectJoystickDisconnectionWin32(); + } + } + + break; + } + } + + return DefWindowProcW(hWnd, uMsg, wParam, lParam); + } + + switch (uMsg) + { + case WM_SETFOCUS: + { + _glfwInputWindowFocus(window, GLFW_TRUE); + + if (window->cursorMode == GLFW_CURSOR_DISABLED) + _glfwPlatformSetCursorMode(window, GLFW_CURSOR_DISABLED); + + return 0; + } + + case WM_KILLFOCUS: + { + if (window->cursorMode == GLFW_CURSOR_DISABLED) + _glfwPlatformSetCursorMode(window, GLFW_CURSOR_NORMAL); + + 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_CHAR: + case WM_SYSCHAR: + case WM_UNICHAR: + { + const GLFWbool plain = (uMsg != WM_SYSCHAR); + + if (uMsg == WM_UNICHAR && 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, (unsigned int) wParam, getKeyMods(), plain); + return 0; + } + + case WM_KEYDOWN: + case WM_SYSKEYDOWN: + case WM_KEYUP: + case WM_SYSKEYUP: + { + const int key = translateKey(wParam, lParam); + const int scancode = (lParam >> 16) & 0x1ff; + const int action = ((lParam >> 31) & 1) ? GLFW_RELEASE : GLFW_PRESS; + const int mods = getKeyMods(); + + if (key == _GLFW_KEY_INVALID) + break; + + if (action == GLFW_RELEASE && wParam == VK_SHIFT) + { + // Release both Shift keys on Shift up event, as only one event + // is sent even if both keys are released + _glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, scancode, action, mods); + _glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, scancode, action, mods); + } + else if (wParam == VK_SNAPSHOT) + { + // 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 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; + SetCapture(hWnd); + } + else + { + action = GLFW_RELEASE; + ReleaseCapture(); + } + + _glfwInputMouseClick(window, button, action, getKeyMods()); + + 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->cursorMode == GLFW_CURSOR_DISABLED) + { + const int dx = x - window->win32.lastCursorPosX; + const int dy = y - window->win32.lastCursorPosY; + + if (_glfw.win32.disabledCursorWindow != window) + break; + + _glfwInputCursorPos(window, + window->virtualCursorPosX + dx, + window->virtualCursorPosY + dy); + } + else + _glfwInputCursorPos(window, x, y); + + window->win32.lastCursorPosX = x; + window->win32.lastCursorPosY = y; + + 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); + } + + return 0; + } + + 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 OS X and X11. + _glfwInputScroll(window, -((SHORT) HIWORD(wParam) / (double) WHEEL_DELTA), 0.0); + return 0; + } + + case WM_ENTERSIZEMOVE: + case WM_ENTERMENULOOP: + { + if (window->cursorMode == GLFW_CURSOR_DISABLED) + _glfwPlatformSetCursorMode(window, GLFW_CURSOR_NORMAL); + + break; + } + + case WM_EXITSIZEMOVE: + case WM_EXITMENULOOP: + { + if (window->cursorMode == GLFW_CURSOR_DISABLED) + _glfwPlatformSetCursorMode(window, GLFW_CURSOR_DISABLED); + + break; + } + + case WM_SIZE: + { + const GLFWbool iconified = + !window->win32.iconified && wParam == SIZE_MINIMIZED; + const GLFWbool restored = + window->win32.iconified && + (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED); + + if (_glfw.win32.disabledCursorWindow == window) + updateClipRect(window); + + if (iconified) + _glfwInputWindowIconify(window, GLFW_TRUE); + else if (restored) + _glfwInputWindowIconify(window, GLFW_FALSE); + + _glfwInputFramebufferSize(window, LOWORD(lParam), HIWORD(lParam)); + _glfwInputWindowSize(window, LOWORD(lParam), HIWORD(lParam)); + + if (iconified) + { + window->win32.iconified = GLFW_TRUE; + if (window->monitor) + releaseMonitor(window); + } + else if (restored) + { + window->win32.iconified = GLFW_FALSE; + if (window->monitor) + acquireMonitor(window); + } + + 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; + MINMAXINFO* mmi = (MINMAXINFO*) lParam; + + if (window->monitor) + break; + + getFullWindowSize(getWindowStyle(window), getWindowExStyle(window), + 0, 0, &xoff, &yoff); + + 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; + } + + return 0; + } + + case WM_PAINT: + { + _glfwInputWindowDamage(window); + break; + } + + case WM_ERASEBKGND: + { + return TRUE; + } + + case WM_SETCURSOR: + { + if (LOWORD(lParam) == HTCLIENT) + { + updateCursorImage(window); + return TRUE; + } + + break; + } + + case WM_DPICHANGED: + { + RECT* rect = (RECT*) lParam; + SetWindowPos(window->win32.handle, + HWND_TOP, + rect->left, + rect->top, + rect->right - rect->left, + rect->bottom - rect->top, + SWP_NOACTIVATE | SWP_NOZORDER); + 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(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) +{ + int xpos, ypos, fullWidth, fullHeight; + WCHAR* wideTitle; + DWORD style = getWindowStyle(window); + DWORD exStyle = getWindowExStyle(window); + + if (window->monitor) + { + GLFWvidmode mode; + + // NOTE: This window placement is temporary and approximate, as the + // correct position and size cannot be known until the monitor + // video mode has been set + _glfwPlatformGetMonitorPos(window->monitor, &xpos, &ypos); + _glfwPlatformGetVideoMode(window->monitor, &mode); + fullWidth = mode.width; + fullHeight = mode.height; + } + else + { + xpos = CW_USEDEFAULT; + ypos = CW_USEDEFAULT; + + if (wndconfig->maximized) + style |= WS_MAXIMIZE; + + getFullWindowSize(style, exStyle, + wndconfig->width, wndconfig->height, + &fullWidth, &fullHeight); + } + + wideTitle = _glfwCreateWideStringFromUTF8Win32(wndconfig->title); + if (!wideTitle) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Win32: Failed to convert window title to UTF-16"); + return GLFW_FALSE; + } + + window->win32.handle = CreateWindowExW(exStyle, + _GLFW_WNDCLASSNAME, + wideTitle, + style, + xpos, ypos, + fullWidth, fullHeight, + NULL, // No parent window + NULL, // No window menu + GetModuleHandleW(NULL), + NULL); + + free(wideTitle); + + if (!window->win32.handle) + { + _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to create window"); + return GLFW_FALSE; + } + + SetPropW(window->win32.handle, L"GLFW", window); + + if (_glfw_ChangeWindowMessageFilterEx) + { + _glfw_ChangeWindowMessageFilterEx(window->win32.handle, + WM_DROPFILES, MSGFLT_ALLOW, NULL); + _glfw_ChangeWindowMessageFilterEx(window->win32.handle, + WM_COPYDATA, MSGFLT_ALLOW, NULL); + _glfw_ChangeWindowMessageFilterEx(window->win32.handle, + WM_COPYGLOBALDATA, MSGFLT_ALLOW, NULL); + } + + DragAcceptFiles(window->win32.handle, TRUE); + + 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 = (WNDPROC) windowProc; + wc.hInstance = GetModuleHandleW(NULL); + 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)) + { + _glfwInputError(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, GetModuleHandleW(NULL)); +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW platform API ////// +////////////////////////////////////////////////////////////////////////// + +int _glfwPlatformCreateWindow(_GLFWwindow* window, + const _GLFWwndconfig* wndconfig, + const _GLFWctxconfig* ctxconfig, + const _GLFWfbconfig* fbconfig) +{ + if (!createNativeWindow(window, wndconfig)) + 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 (!_glfwInitEGL()) + return GLFW_FALSE; + if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig)) + return GLFW_FALSE; + } + } + + if (window->monitor) + { + _glfwPlatformShowWindow(window); + _glfwPlatformFocusWindow(window); + if (!acquireMonitor(window)) + return GLFW_FALSE; + + centerCursor(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) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Win32: Failed to convert window title to UTF-16"); + 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); + } + + SendMessage(window->win32.handle, WM_SETICON, ICON_BIG, (LPARAM) bigIcon); + SendMessage(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 }; + 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); + } + else + { + RECT rect = { 0, 0, width, height }; + 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); + 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 _glfwPlatformIconifyWindow(_GLFWwindow* window) +{ + ShowWindow(window->win32.handle, SW_MINIMIZE); +} + +void _glfwPlatformRestoreWindow(_GLFWwindow* window) +{ + ShowWindow(window->win32.handle, SW_RESTORE); +} + +void _glfwPlatformMaximizeWindow(_GLFWwindow* window) +{ + ShowWindow(window->win32.handle, SW_MAXIMIZE); +} + +void _glfwPlatformShowWindow(_GLFWwindow* window) +{ + ShowWindow(window->win32.handle, SW_SHOW); +} + +void _glfwPlatformHideWindow(_GLFWwindow* window) +{ + ShowWindow(window->win32.handle, SW_HIDE); +} + +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); + } + else + { + RECT rect = { xpos, ypos, xpos + width, ypos + height }; + 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); + + _glfwInputWindowMonitorChange(window, monitor); + + if (monitor) + { + GLFWvidmode mode; + DWORD style = GetWindowLongW(window->win32.handle, GWL_STYLE); + UINT flags = SWP_SHOWWINDOW | SWP_NOACTIVATE | SWP_NOCOPYBITS; + + if (window->decorated) + { + style &= ~WS_OVERLAPPEDWINDOW; + style |= getWindowStyle(window); + SetWindowLongW(window->win32.handle, GWL_STYLE, style); + + flags |= SWP_FRAMECHANGED; + } + + _glfwPlatformGetVideoMode(monitor, &mode); + _glfwPlatformGetMonitorPos(monitor, &xpos, &ypos); + + SetWindowPos(window->win32.handle, HWND_TOPMOST, + xpos, ypos, mode.width, mode.height, + flags); + + acquireMonitor(window); + } + 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; + + 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); +} + +void _glfwPlatformPollEvents(void) +{ + MSG msg; + HWND handle; + _GLFWwindow* window; + + while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE)) + { + if (msg.message == WM_QUIT) + { + // Treat WM_QUIT as a close on all windows + // While GLFW does not itself post WM_QUIT, other processes may post + // it to this one, for example Task Manager + + window = _glfw.windowListHead; + while (window) + { + _glfwInputWindowCloseRequest(window); + window = window->next; + } + } + else + { + TranslateMessage(&msg); + DispatchMessageW(&msg); + } + } + + handle = GetActiveWindow(); + if (handle) + { + // LSHIFT/RSHIFT fixup (keys tend to "stick" without this fix) + // This is the only async event handling in GLFW, but it solves some + // nasty problems + window = GetPropW(handle, L"GLFW"); + if (window) + { + const int mods = getAsyncKeyMods(); + + // Get current state of left and right shift keys + const int lshiftDown = (GetAsyncKeyState(VK_LSHIFT) >> 15) & 1; + const int rshiftDown = (GetAsyncKeyState(VK_RSHIFT) >> 15) & 1; + + // See if this differs from our belief of what has happened + // (we only have to check for lost key up events) + if (!lshiftDown && window->keys[GLFW_KEY_LEFT_SHIFT] == 1) + _glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, 0, GLFW_RELEASE, mods); + + if (!rshiftDown && window->keys[GLFW_KEY_RIGHT_SHIFT] == 1) + _glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, 0, GLFW_RELEASE, mods); + } + } + + 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) +{ + _GLFWwindow* window = _glfw.windowListHead; + PostMessage(window->win32.handle, 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) + { + _glfw.win32.disabledCursorWindow = window; + _glfwPlatformGetCursorPos(window, + &_glfw.win32.restoreCursorPosX, + &_glfw.win32.restoreCursorPosY); + centerCursor(window); + updateClipRect(window); + } + else if (_glfw.win32.disabledCursorWindow == window) + { + _glfw.win32.disabledCursorWindow = NULL; + updateClipRect(NULL); + _glfwPlatformSetCursorPos(window, + _glfw.win32.restoreCursorPosX, + _glfw.win32.restoreCursorPosY); + } + + if (cursorInClientArea(window)) + updateCursorImage(window); +} + +const char* _glfwPlatformGetKeyName(int key, int scancode) +{ + WCHAR name[16]; + + if (key != GLFW_KEY_UNKNOWN) + scancode = _glfw.win32.nativeKeys[key]; + + if (!_glfwIsPrintable(_glfw.win32.publicKeys[scancode])) + return NULL; + + if (!GetKeyNameTextW(scancode << 16, name, sizeof(name) / sizeof(WCHAR))) + return NULL; + + if (!WideCharToMultiByte(CP_UTF8, 0, name, -1, + _glfw.win32.keyName, + sizeof(_glfw.win32.keyName), + NULL, NULL)) + { + return NULL; + } + + return _glfw.win32.keyName; +} + +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) +{ + cursor->win32.handle = + CopyCursor(LoadCursorW(NULL, translateCursorShape(shape))); + if (!cursor->win32.handle) + { + _glfwInputError(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 (cursorInClientArea(window)) + updateCursorImage(window); +} + +void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string) +{ + int characterCount; + HANDLE object; + WCHAR* buffer; + + characterCount = MultiByteToWideChar(CP_UTF8, 0, string, -1, NULL, 0); + if (!characterCount) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Win32: Failed to convert clipboard string to UTF-16"); + return; + } + + object = GlobalAlloc(GMEM_MOVEABLE, characterCount * sizeof(WCHAR)); + if (!object) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Win32: Failed to allocate global handle for clipboard"); + return; + } + + buffer = GlobalLock(object); + if (!buffer) + { + GlobalFree(object); + + _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to lock global handle"); + return; + } + + MultiByteToWideChar(CP_UTF8, 0, string, -1, buffer, characterCount); + GlobalUnlock(object); + + if (!OpenClipboard(_glfw.win32.helperWindowHandle)) + { + GlobalFree(object); + + _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to open clipboard"); + return; + } + + EmptyClipboard(); + SetClipboardData(CF_UNICODETEXT, object); + CloseClipboard(); +} + +const char* _glfwPlatformGetClipboardString(_GLFWwindow* window) +{ + HANDLE object; + WCHAR* buffer; + + if (!OpenClipboard(_glfw.win32.helperWindowHandle)) + { + _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to open clipboard"); + return NULL; + } + + object = GetClipboardData(CF_UNICODETEXT); + if (!object) + { + CloseClipboard(); + + _glfwInputError(GLFW_FORMAT_UNAVAILABLE, + "Win32: Failed to convert clipboard to string"); + return NULL; + } + + buffer = GlobalLock(object); + if (!buffer) + { + CloseClipboard(); + + _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to lock global handle"); + return NULL; + } + + free(_glfw.win32.clipboardString); + _glfw.win32.clipboardString = + _glfwCreateUTF8FromWideStringWin32(buffer); + + GlobalUnlock(object); + CloseClipboard(); + + if (!_glfw.win32.clipboardString) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Win32: Failed to convert wide string to UTF-8"); + return NULL; + } + + return _glfw.win32.clipboardString; +} + +char** _glfwPlatformGetRequiredInstanceExtensions(uint32_t* count) +{ + char** extensions; + + *count = 0; + + if (!_glfw.vk.KHR_win32_surface) + return NULL; + + extensions = calloc(2, sizeof(char*)); + extensions[0] = strdup("VK_KHR_surface"); + extensions[1] = strdup("VK_KHR_win32_surface"); + + *count = 2; + return extensions; +} + +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 = GetModuleHandle(NULL); + 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; +} + |