//======================================================================== // GLFW 3.3 Win32 - www.glfw.org //------------------------------------------------------------------------ // Copyright (c) 2002-2006 Marcus Geelnard // Copyright (c) 2006-2016 Camilla Löwy // // 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 #include #include #include #include #include #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 { 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 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); } // 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); 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) { if (!IsWindowsVistaOrGreater()) return; if (_glfwIsCompositionEnabledWin32()) { 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; if (SUCCEEDED(DwmEnableBlurBehindWindow(window->win32.handle, &bb))) { // Decorated windows don't repaint the transparent background // leaving a trail behind animations // HACK: Making the window layered with a transparency color key // seems to fix this. Normally, when specifying // a transparency color key to be used when composing the // layered window, all pixels painted by the window in this // color will be transparent. That doesn't seem to be the // case anymore, at least when used with blur behind window // plus negative region. LONG exStyle = GetWindowLongW(window->win32.handle, GWL_EXSTYLE); exStyle |= WS_EX_LAYERED; SetWindowLongW(window->win32.handle, GWL_EXSTYLE, exStyle); // Using a color key not equal to black to fix the trailing // issue. When set to black, something is making the hit test // not resize with the window frame. SetLayeredWindowAttributes(window->win32.handle, RGB(0, 193, 48), 255, LWA_COLORKEY); } DeleteObject(region); } else { LONG exStyle = GetWindowLongW(window->win32.handle, GWL_EXSTYLE); exStyle &= ~WS_EX_LAYERED; SetWindowLongW(window->win32.handle, GWL_EXSTYLE, exStyle); RedrawWindow(window->win32.handle, NULL, NULL, RDW_ERASE | RDW_INVALIDATE | RDW_FRAME); } } // 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) & 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; } // Retrieves and translates modifier keys // static int getAsyncKeyMods(void) { int mods = 0; if (GetAsyncKeyState(VK_SHIFT) & 0x8000) mods |= GLFW_MOD_SHIFT; if (GetAsyncKeyState(VK_CONTROL) & 0x8000) mods |= GLFW_MOD_CONTROL; if (GetAsyncKeyState(VK_MENU) & 0x8000) mods |= GLFW_MOD_ALT; if ((GetAsyncKeyState(VK_LWIN) | GetAsyncKeyState(VK_RWIN)) & 0x8000) mods |= GLFW_MOD_SUPER; if (GetAsyncKeyState(VK_CAPITAL) & 1) mods |= GLFW_MOD_CAPS_LOCK; if (GetAsyncKeyState(VK_NUMLOCK) & 1) mods |= GLFW_MOD_NUM_LOCK; return mods; } // Translates a Windows key to the corresponding GLFW key // static int translateKey(WPARAM wParam, LPARAM lParam) { // The Ctrl keys require special handling if (wParam == VK_CONTROL) { MSG next; DWORD time; // Right side keys have the extended key bit set if (lParam & 0x01000000) return GLFW_KEY_RIGHT_CONTROL; // HACK: Alt Gr sends Left Ctrl and then Right Alt in close sequence // We only want the Right Alt message, so if the next message is // Right Alt we ignore this (synthetic) Left Ctrl message 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 Right Alt down so discard this 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.keycodes[HIWORD(lParam) & 0x1FF]; } static void fitToMonitor(_GLFWwindow* window) { MONITORINFO mi = { sizeof(mi) }; GetMonitorInfo(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); 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); _glfwInputMonitorWindow(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_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) == HTCLOSE || LOWORD(lParam) == HTMINBUTTON || LOWORD(lParam) == HTMAXBUTTON) { 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) _glfwPlatformSetCursorMode(window, GLFW_CURSOR_DISABLED); 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) _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_INPUTLANGCHANGE: { _glfwUpdateKeyNamesWin32(); break; } 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) { // 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); // Disabled cursor motion input is provided by WM_INPUT if (window->cursorMode == GLFW_CURSOR_DISABLED) break; _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_INPUT: { UINT size; HRAWINPUT ri = (HRAWINPUT) lParam; RAWINPUT* data; int dx, dy; // Only process input when disabled cursor mode is applied if (_glfw.win32.disabledCursorWindow != window) 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: { // HACK: Postpone cursor disabling while the user is moving or // resizing the window or using the menu if (window->cursorMode == GLFW_CURSOR_DISABLED) _glfwPlatformSetCursorMode(window, GLFW_CURSOR_NORMAL); break; } case WM_EXITSIZEMOVE: case WM_EXITMENULOOP: { // HACK: Disable the cursor once the user is done moving or // resizing the window or using the menu if (window->cursorMode == GLFW_CURSOR_DISABLED) _glfwPlatformSetCursorMode(window, GLFW_CURSOR_DISABLED); break; } case WM_SIZE: { 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); _glfwInputFramebufferSize(window, LOWORD(lParam), HIWORD(lParam)); _glfwInputWindowSize(window, LOWORD(lParam), HIWORD(lParam)); 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; 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; } if (!window->decorated) { MONITORINFO mi; const HMONITOR mh = MonitorFromWindow(window->win32.handle, MONITOR_DEFAULTTONEAREST); ZeroMemory(&mi, sizeof(mi)); mi.cbSize = sizeof(mi); GetMonitorInfo(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_DWMCOMPOSITIONCHANGED: { if (window->win32.transparent) updateFramebufferTransparency(window); return 0; } case WM_DPICHANGED: { const float xscale = HIWORD(wParam) / 96.f; const float yscale = LOWORD(wParam) / 96.f; _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(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) { 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 picked in _glfwSetVideoModeWin32 _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) 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) { _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); } DragAcceptFiles(window->win32.handle, TRUE); if (fbconfig->transparent) { updateFramebufferTransparency(window); window->win32.transparent = GLFW_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)) { _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, GetModuleHandleW(NULL)); } // Returns whether desktop compositing is enabled // GLFWbool _glfwIsCompositionEnabledWin32(void) { if (IsWindowsVistaOrGreater()) { BOOL enabled; if (SUCCEEDED(DwmIsCompositionEnabled(&enabled))) return enabled; } return FALSE; } ////////////////////////////////////////////////////////////////////////// ////// 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 (window->monitor) { _glfwPlatformShowWindow(window); _glfwPlatformFocusWindow(window); acquireMonitor(window); fitToMonitor(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); } 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); fitToMonitor(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 _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) { ShowWindow(window->win32.handle, SW_MAXIMIZE); } 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 }; 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 (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); GetMonitorInfo(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; 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 cursorInClientArea(window); } int _glfwPlatformFramebufferTransparent(_GLFWwindow* window) { return window->win32.transparent && _glfwIsCompositionEnabledWin32(); } 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 _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); } } handle = GetActiveWindow(); if (handle) { // NOTE: Shift keys on Windows tend to "stick" when both are pressed as // no key up message is generated by the first key release // The other half of this is in the handling of WM_KEYUP // HACK: Query actual key state and synthesize release events as needed window = GetPropW(handle, L"GLFW"); if (window) { const GLFWbool lshift = (GetAsyncKeyState(VK_LSHIFT) >> 15) & 1; const GLFWbool rshift = (GetAsyncKeyState(VK_RSHIFT) >> 15) & 1; if (!lshift && window->keys[GLFW_KEY_LEFT_SHIFT] == GLFW_PRESS) { const int mods = getAsyncKeyMods(); const int scancode = _glfw.win32.scancodes[GLFW_KEY_LEFT_SHIFT]; _glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, scancode, GLFW_RELEASE, mods); } else if (!rshift && window->keys[GLFW_KEY_RIGHT_SHIFT] == GLFW_PRESS) { const int mods = getAsyncKeyMods(); const int scancode = _glfw.win32.scancodes[GLFW_KEY_RIGHT_SHIFT]; _glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, scancode, 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) { PostMessage(_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) { const RAWINPUTDEVICE rid = { 0x01, 0x02, 0, window->win32.handle }; _glfw.win32.disabledCursorWindow = window; _glfwPlatformGetCursorPos(window, &_glfw.win32.restoreCursorPosX, &_glfw.win32.restoreCursorPosY); centerCursor(window); updateClipRect(window); if (!RegisterRawInputDevices(&rid, 1, sizeof(rid))) { _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, "Win32: Failed to register raw input device"); } } else if (_glfw.win32.disabledCursorWindow == window) { const RAWINPUTDEVICE rid = { 0x01, 0x02, RIDEV_REMOVE, NULL }; _glfw.win32.disabledCursorWindow = NULL; updateClipRect(NULL); _glfwPlatformSetCursorPos(window, _glfw.win32.restoreCursorPosX, _glfw.win32.restoreCursorPosY); if (!RegisterRawInputDevices(&rid, 1, sizeof(rid))) { _glfwInputErrorWin32(GLFW_PLATFORM_ERROR, "Win32: Failed to remove raw input device"); } } if (cursorInClientArea(window)) updateCursorImage(window); } const char* _glfwPlatformGetScancodeName(int scancode) { 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) { cursor->win32.handle = CopyCursor(LoadCursorW(NULL, translateCursorShape(shape))); 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 (cursorInClientArea(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 = 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; }