diff options
author | Andreas Grois <andi@grois.info> | 2018-03-09 21:36:10 +0100 |
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committer | Andreas Grois <andi@grois.info> | 2018-03-09 21:36:10 +0100 |
commit | 3b734f0d6b9e28c1f2c4ae54e3f46e573e02f4a5 (patch) | |
tree | 444542870666e41594e7b493f625ade81d64f885 /glfw-3.2.1/src/win32_init.c |
Initial Commit
Diffstat (limited to 'glfw-3.2.1/src/win32_init.c')
-rw-r--r-- | glfw-3.2.1/src/win32_init.c | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/glfw-3.2.1/src/win32_init.c b/glfw-3.2.1/src/win32_init.c new file mode 100644 index 0000000..b2a0a67 --- /dev/null +++ b/glfw-3.2.1/src/win32_init.c @@ -0,0 +1,473 @@ +//======================================================================== +// 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 <stdlib.h> +#include <malloc.h> + +#include <initguid.h> +DEFINE_GUID(GUID_DEVINTERFACE_HID,0x4d1e55b2,0xf16f,0x11cf,0x88,0xcb,0x00,0x11,0x11,0x00,0x00,0x30); + +#if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG) + +// Applications exporting this symbol with this value will be automatically +// directed to the high-performance GPU on Nvidia Optimus systems with +// up-to-date drivers +// +__declspec(dllexport) DWORD NvOptimusEnablement = 1; + +// Applications exporting this symbol with this value will be automatically +// directed to the high-performance GPU on AMD PowerXpress systems with +// up-to-date drivers +// +__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1; + +#endif // _GLFW_USE_HYBRID_HPG + +#if defined(_GLFW_BUILD_DLL) + +// GLFW DLL entry point +// +BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved) +{ + return TRUE; +} + +#endif // _GLFW_BUILD_DLL + +// Load necessary libraries (DLLs) +// +static GLFWbool loadLibraries(void) +{ + _glfw.win32.winmm.instance = LoadLibraryA("winmm.dll"); + if (!_glfw.win32.winmm.instance) + { + _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to load winmm.dll"); + return GLFW_FALSE; + } + + _glfw.win32.winmm.timeGetTime = (TIMEGETTIME_T) + GetProcAddress(_glfw.win32.winmm.instance, "timeGetTime"); + + _glfw.win32.user32.instance = LoadLibraryA("user32.dll"); + if (!_glfw.win32.user32.instance) + { + _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to load user32.dll"); + return GLFW_FALSE; + } + + _glfw.win32.user32.SetProcessDPIAware = (SETPROCESSDPIAWARE_T) + GetProcAddress(_glfw.win32.user32.instance, "SetProcessDPIAware"); + _glfw.win32.user32.ChangeWindowMessageFilterEx = (CHANGEWINDOWMESSAGEFILTEREX_T) + GetProcAddress(_glfw.win32.user32.instance, "ChangeWindowMessageFilterEx"); + + _glfw.win32.dinput8.instance = LoadLibraryA("dinput8.dll"); + if (_glfw.win32.dinput8.instance) + { + _glfw.win32.dinput8.DirectInput8Create = (DIRECTINPUT8CREATE_T) + GetProcAddress(_glfw.win32.dinput8.instance, "DirectInput8Create"); + } + + { + int i; + const char* names[] = + { + "xinput1_4.dll", + "xinput1_3.dll", + "xinput9_1_0.dll", + "xinput1_2.dll", + "xinput1_1.dll", + NULL + }; + + for (i = 0; names[i]; i++) + { + _glfw.win32.xinput.instance = LoadLibraryA(names[i]); + if (_glfw.win32.xinput.instance) + { + _glfw.win32.xinput.XInputGetCapabilities = (XINPUTGETCAPABILITIES_T) + GetProcAddress(_glfw.win32.xinput.instance, "XInputGetCapabilities"); + _glfw.win32.xinput.XInputGetState = (XINPUTGETSTATE_T) + GetProcAddress(_glfw.win32.xinput.instance, "XInputGetState"); + + break; + } + } + } + + _glfw.win32.dwmapi.instance = LoadLibraryA("dwmapi.dll"); + if (_glfw.win32.dwmapi.instance) + { + _glfw.win32.dwmapi.DwmIsCompositionEnabled = (DWMISCOMPOSITIONENABLED_T) + GetProcAddress(_glfw.win32.dwmapi.instance, "DwmIsCompositionEnabled"); + _glfw.win32.dwmapi.DwmFlush = (DWMFLUSH_T) + GetProcAddress(_glfw.win32.dwmapi.instance, "DwmFlush"); + } + + _glfw.win32.shcore.instance = LoadLibraryA("shcore.dll"); + if (_glfw.win32.shcore.instance) + { + _glfw.win32.shcore.SetProcessDpiAwareness = (SETPROCESSDPIAWARENESS_T) + GetProcAddress(_glfw.win32.shcore.instance, "SetProcessDpiAwareness"); + } + + return GLFW_TRUE; +} + +// Unload used libraries (DLLs) +// +static void freeLibraries(void) +{ + if (_glfw.win32.xinput.instance) + FreeLibrary(_glfw.win32.xinput.instance); + + if (_glfw.win32.dinput8.instance) + FreeLibrary(_glfw.win32.dinput8.instance); + + if (_glfw.win32.winmm.instance) + FreeLibrary(_glfw.win32.winmm.instance); + + if (_glfw.win32.user32.instance) + FreeLibrary(_glfw.win32.user32.instance); + + if (_glfw.win32.dwmapi.instance) + FreeLibrary(_glfw.win32.dwmapi.instance); + + if (_glfw.win32.shcore.instance) + FreeLibrary(_glfw.win32.shcore.instance); +} + +// Create key code translation tables +// +static void createKeyTables(void) +{ + int scancode; + + memset(_glfw.win32.publicKeys, -1, sizeof(_glfw.win32.publicKeys)); + memset(_glfw.win32.nativeKeys, -1, sizeof(_glfw.win32.nativeKeys)); + + _glfw.win32.publicKeys[0x00B] = GLFW_KEY_0; + _glfw.win32.publicKeys[0x002] = GLFW_KEY_1; + _glfw.win32.publicKeys[0x003] = GLFW_KEY_2; + _glfw.win32.publicKeys[0x004] = GLFW_KEY_3; + _glfw.win32.publicKeys[0x005] = GLFW_KEY_4; + _glfw.win32.publicKeys[0x006] = GLFW_KEY_5; + _glfw.win32.publicKeys[0x007] = GLFW_KEY_6; + _glfw.win32.publicKeys[0x008] = GLFW_KEY_7; + _glfw.win32.publicKeys[0x009] = GLFW_KEY_8; + _glfw.win32.publicKeys[0x00A] = GLFW_KEY_9; + _glfw.win32.publicKeys[0x01E] = GLFW_KEY_A; + _glfw.win32.publicKeys[0x030] = GLFW_KEY_B; + _glfw.win32.publicKeys[0x02E] = GLFW_KEY_C; + _glfw.win32.publicKeys[0x020] = GLFW_KEY_D; + _glfw.win32.publicKeys[0x012] = GLFW_KEY_E; + _glfw.win32.publicKeys[0x021] = GLFW_KEY_F; + _glfw.win32.publicKeys[0x022] = GLFW_KEY_G; + _glfw.win32.publicKeys[0x023] = GLFW_KEY_H; + _glfw.win32.publicKeys[0x017] = GLFW_KEY_I; + _glfw.win32.publicKeys[0x024] = GLFW_KEY_J; + _glfw.win32.publicKeys[0x025] = GLFW_KEY_K; + _glfw.win32.publicKeys[0x026] = GLFW_KEY_L; + _glfw.win32.publicKeys[0x032] = GLFW_KEY_M; + _glfw.win32.publicKeys[0x031] = GLFW_KEY_N; + _glfw.win32.publicKeys[0x018] = GLFW_KEY_O; + _glfw.win32.publicKeys[0x019] = GLFW_KEY_P; + _glfw.win32.publicKeys[0x010] = GLFW_KEY_Q; + _glfw.win32.publicKeys[0x013] = GLFW_KEY_R; + _glfw.win32.publicKeys[0x01F] = GLFW_KEY_S; + _glfw.win32.publicKeys[0x014] = GLFW_KEY_T; + _glfw.win32.publicKeys[0x016] = GLFW_KEY_U; + _glfw.win32.publicKeys[0x02F] = GLFW_KEY_V; + _glfw.win32.publicKeys[0x011] = GLFW_KEY_W; + _glfw.win32.publicKeys[0x02D] = GLFW_KEY_X; + _glfw.win32.publicKeys[0x015] = GLFW_KEY_Y; + _glfw.win32.publicKeys[0x02C] = GLFW_KEY_Z; + + _glfw.win32.publicKeys[0x028] = GLFW_KEY_APOSTROPHE; + _glfw.win32.publicKeys[0x02B] = GLFW_KEY_BACKSLASH; + _glfw.win32.publicKeys[0x033] = GLFW_KEY_COMMA; + _glfw.win32.publicKeys[0x00D] = GLFW_KEY_EQUAL; + _glfw.win32.publicKeys[0x029] = GLFW_KEY_GRAVE_ACCENT; + _glfw.win32.publicKeys[0x01A] = GLFW_KEY_LEFT_BRACKET; + _glfw.win32.publicKeys[0x00C] = GLFW_KEY_MINUS; + _glfw.win32.publicKeys[0x034] = GLFW_KEY_PERIOD; + _glfw.win32.publicKeys[0x01B] = GLFW_KEY_RIGHT_BRACKET; + _glfw.win32.publicKeys[0x027] = GLFW_KEY_SEMICOLON; + _glfw.win32.publicKeys[0x035] = GLFW_KEY_SLASH; + _glfw.win32.publicKeys[0x056] = GLFW_KEY_WORLD_2; + + _glfw.win32.publicKeys[0x00E] = GLFW_KEY_BACKSPACE; + _glfw.win32.publicKeys[0x153] = GLFW_KEY_DELETE; + _glfw.win32.publicKeys[0x14F] = GLFW_KEY_END; + _glfw.win32.publicKeys[0x01C] = GLFW_KEY_ENTER; + _glfw.win32.publicKeys[0x001] = GLFW_KEY_ESCAPE; + _glfw.win32.publicKeys[0x147] = GLFW_KEY_HOME; + _glfw.win32.publicKeys[0x152] = GLFW_KEY_INSERT; + _glfw.win32.publicKeys[0x15D] = GLFW_KEY_MENU; + _glfw.win32.publicKeys[0x151] = GLFW_KEY_PAGE_DOWN; + _glfw.win32.publicKeys[0x149] = GLFW_KEY_PAGE_UP; + _glfw.win32.publicKeys[0x045] = GLFW_KEY_PAUSE; + _glfw.win32.publicKeys[0x146] = GLFW_KEY_PAUSE; + _glfw.win32.publicKeys[0x039] = GLFW_KEY_SPACE; + _glfw.win32.publicKeys[0x00F] = GLFW_KEY_TAB; + _glfw.win32.publicKeys[0x03A] = GLFW_KEY_CAPS_LOCK; + _glfw.win32.publicKeys[0x145] = GLFW_KEY_NUM_LOCK; + _glfw.win32.publicKeys[0x046] = GLFW_KEY_SCROLL_LOCK; + _glfw.win32.publicKeys[0x03B] = GLFW_KEY_F1; + _glfw.win32.publicKeys[0x03C] = GLFW_KEY_F2; + _glfw.win32.publicKeys[0x03D] = GLFW_KEY_F3; + _glfw.win32.publicKeys[0x03E] = GLFW_KEY_F4; + _glfw.win32.publicKeys[0x03F] = GLFW_KEY_F5; + _glfw.win32.publicKeys[0x040] = GLFW_KEY_F6; + _glfw.win32.publicKeys[0x041] = GLFW_KEY_F7; + _glfw.win32.publicKeys[0x042] = GLFW_KEY_F8; + _glfw.win32.publicKeys[0x043] = GLFW_KEY_F9; + _glfw.win32.publicKeys[0x044] = GLFW_KEY_F10; + _glfw.win32.publicKeys[0x057] = GLFW_KEY_F11; + _glfw.win32.publicKeys[0x058] = GLFW_KEY_F12; + _glfw.win32.publicKeys[0x064] = GLFW_KEY_F13; + _glfw.win32.publicKeys[0x065] = GLFW_KEY_F14; + _glfw.win32.publicKeys[0x066] = GLFW_KEY_F15; + _glfw.win32.publicKeys[0x067] = GLFW_KEY_F16; + _glfw.win32.publicKeys[0x068] = GLFW_KEY_F17; + _glfw.win32.publicKeys[0x069] = GLFW_KEY_F18; + _glfw.win32.publicKeys[0x06A] = GLFW_KEY_F19; + _glfw.win32.publicKeys[0x06B] = GLFW_KEY_F20; + _glfw.win32.publicKeys[0x06C] = GLFW_KEY_F21; + _glfw.win32.publicKeys[0x06D] = GLFW_KEY_F22; + _glfw.win32.publicKeys[0x06E] = GLFW_KEY_F23; + _glfw.win32.publicKeys[0x076] = GLFW_KEY_F24; + _glfw.win32.publicKeys[0x038] = GLFW_KEY_LEFT_ALT; + _glfw.win32.publicKeys[0x01D] = GLFW_KEY_LEFT_CONTROL; + _glfw.win32.publicKeys[0x02A] = GLFW_KEY_LEFT_SHIFT; + _glfw.win32.publicKeys[0x15B] = GLFW_KEY_LEFT_SUPER; + _glfw.win32.publicKeys[0x137] = GLFW_KEY_PRINT_SCREEN; + _glfw.win32.publicKeys[0x138] = GLFW_KEY_RIGHT_ALT; + _glfw.win32.publicKeys[0x11D] = GLFW_KEY_RIGHT_CONTROL; + _glfw.win32.publicKeys[0x036] = GLFW_KEY_RIGHT_SHIFT; + _glfw.win32.publicKeys[0x15C] = GLFW_KEY_RIGHT_SUPER; + _glfw.win32.publicKeys[0x150] = GLFW_KEY_DOWN; + _glfw.win32.publicKeys[0x14B] = GLFW_KEY_LEFT; + _glfw.win32.publicKeys[0x14D] = GLFW_KEY_RIGHT; + _glfw.win32.publicKeys[0x148] = GLFW_KEY_UP; + + _glfw.win32.publicKeys[0x052] = GLFW_KEY_KP_0; + _glfw.win32.publicKeys[0x04F] = GLFW_KEY_KP_1; + _glfw.win32.publicKeys[0x050] = GLFW_KEY_KP_2; + _glfw.win32.publicKeys[0x051] = GLFW_KEY_KP_3; + _glfw.win32.publicKeys[0x04B] = GLFW_KEY_KP_4; + _glfw.win32.publicKeys[0x04C] = GLFW_KEY_KP_5; + _glfw.win32.publicKeys[0x04D] = GLFW_KEY_KP_6; + _glfw.win32.publicKeys[0x047] = GLFW_KEY_KP_7; + _glfw.win32.publicKeys[0x048] = GLFW_KEY_KP_8; + _glfw.win32.publicKeys[0x049] = GLFW_KEY_KP_9; + _glfw.win32.publicKeys[0x04E] = GLFW_KEY_KP_ADD; + _glfw.win32.publicKeys[0x053] = GLFW_KEY_KP_DECIMAL; + _glfw.win32.publicKeys[0x135] = GLFW_KEY_KP_DIVIDE; + _glfw.win32.publicKeys[0x11C] = GLFW_KEY_KP_ENTER; + _glfw.win32.publicKeys[0x037] = GLFW_KEY_KP_MULTIPLY; + _glfw.win32.publicKeys[0x04A] = GLFW_KEY_KP_SUBTRACT; + + for (scancode = 0; scancode < 512; scancode++) + { + if (_glfw.win32.publicKeys[scancode] > 0) + _glfw.win32.nativeKeys[_glfw.win32.publicKeys[scancode]] = scancode; + } +} + +// Creates a dummy window for behind-the-scenes work +// +static HWND createHelperWindow(void) +{ + HWND window = CreateWindowExW(WS_EX_OVERLAPPEDWINDOW, + _GLFW_WNDCLASSNAME, + L"GLFW helper window", + WS_CLIPSIBLINGS | WS_CLIPCHILDREN, + 0, 0, 1, 1, + HWND_MESSAGE, NULL, + GetModuleHandleW(NULL), + NULL); + if (!window) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Win32: Failed to create helper window"); + return NULL; + } + + // HACK: The first call to ShowWindow is ignored if the parent process + // passed along a STARTUPINFO, so clear that flag with a no-op call + ShowWindow(window, SW_HIDE); + + // Register for HID device notifications + { + DEV_BROADCAST_DEVICEINTERFACE_W dbi; + ZeroMemory(&dbi, sizeof(dbi)); + dbi.dbcc_size = sizeof(dbi); + dbi.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE; + dbi.dbcc_classguid = GUID_DEVINTERFACE_HID; + + RegisterDeviceNotificationW(window, + (DEV_BROADCAST_HDR*) &dbi, + DEVICE_NOTIFY_WINDOW_HANDLE); + } + + return window; +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW internal API ////// +////////////////////////////////////////////////////////////////////////// + +// Returns a wide string version of the specified UTF-8 string +// +WCHAR* _glfwCreateWideStringFromUTF8Win32(const char* source) +{ + WCHAR* target; + int length; + + length = MultiByteToWideChar(CP_UTF8, 0, source, -1, NULL, 0); + if (!length) + return NULL; + + target = calloc(length, sizeof(WCHAR)); + + if (!MultiByteToWideChar(CP_UTF8, 0, source, -1, target, length)) + { + free(target); + return NULL; + } + + return target; +} + +// Returns a UTF-8 string version of the specified wide string +// +char* _glfwCreateUTF8FromWideStringWin32(const WCHAR* source) +{ + char* target; + int length; + + length = WideCharToMultiByte(CP_UTF8, 0, source, -1, NULL, 0, NULL, NULL); + if (!length) + return NULL; + + target = calloc(length, 1); + + if (!WideCharToMultiByte(CP_UTF8, 0, source, -1, target, length, NULL, NULL)) + { + free(target); + return NULL; + } + + return target; +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW platform API ////// +////////////////////////////////////////////////////////////////////////// + +int _glfwPlatformInit(void) +{ + if (!_glfwInitThreadLocalStorageWin32()) + return GLFW_FALSE; + + // To make SetForegroundWindow work as we want, we need to fiddle + // with the FOREGROUNDLOCKTIMEOUT system setting (we do this as early + // as possible in the hope of still being the foreground process) + SystemParametersInfoW(SPI_GETFOREGROUNDLOCKTIMEOUT, 0, + &_glfw.win32.foregroundLockTimeout, 0); + SystemParametersInfoW(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, UIntToPtr(0), + SPIF_SENDCHANGE); + + if (!loadLibraries()) + return GLFW_FALSE; + + createKeyTables(); + + if (_glfw_SetProcessDpiAwareness) + _glfw_SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE); + else if (_glfw_SetProcessDPIAware) + _glfw_SetProcessDPIAware(); + + if (!_glfwRegisterWindowClassWin32()) + return GLFW_FALSE; + + _glfw.win32.helperWindowHandle = createHelperWindow(); + if (!_glfw.win32.helperWindowHandle) + return GLFW_FALSE; + + _glfwPlatformPollEvents(); + + _glfwInitTimerWin32(); + _glfwInitJoysticksWin32(); + + return GLFW_TRUE; +} + +void _glfwPlatformTerminate(void) +{ + if (_glfw.win32.helperWindowHandle) + DestroyWindow(_glfw.win32.helperWindowHandle); + + _glfwUnregisterWindowClassWin32(); + + // Restore previous foreground lock timeout system setting + SystemParametersInfoW(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, + UIntToPtr(_glfw.win32.foregroundLockTimeout), + SPIF_SENDCHANGE); + + free(_glfw.win32.clipboardString); + + _glfwTerminateWGL(); + _glfwTerminateEGL(); + + _glfwTerminateJoysticksWin32(); + _glfwTerminateThreadLocalStorageWin32(); + + freeLibraries(); +} + +const char* _glfwPlatformGetVersionString(void) +{ + return _GLFW_VERSION_NUMBER " Win32 WGL EGL" +#if defined(__MINGW32__) + " MinGW" +#elif defined(_MSC_VER) + " VisualC" +#endif +#if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG) + " hybrid-GPU" +#endif +#if defined(_GLFW_BUILD_DLL) + " DLL" +#endif + ; +} + |