mirror of
https://github.com/glfw/glfw.git
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277 lines
8.3 KiB
C
277 lines
8.3 KiB
C
//========================================================================
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// GLFW 3.1 Win32 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#ifndef _win32_platform_h_
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#define _win32_platform_h_
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// We don't need all the fancy stuff
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#ifndef VC_EXTRALEAN
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#define VC_EXTRALEAN
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#endif
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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// This is a workaround for the fact that glfw3.h needs to export APIENTRY (to
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// correctly declare a GL_ARB_debug_output callback, for example) but windows.h
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// thinks it is the only one that gets to do so
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#undef APIENTRY
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// GLFW on Windows is Unicode only and does not work in MBCS mode
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#ifndef UNICODE
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#define UNICODE
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#endif
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// GLFW requires Windows XP or later
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#if WINVER < 0x0501
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#undef WINVER
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#define WINVER 0x0501
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#endif
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#if _WIN32_WINNT < 0x0501
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#undef _WIN32_WINNT
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#define _WIN32_WINNT 0x0501
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#endif
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#if defined(_MSC_VER)
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#include <malloc.h>
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#define strdup _strdup
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#endif
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#include <windows.h>
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#include <mmsystem.h>
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#include <dbt.h>
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//========================================================================
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// Hack: Define things that some windows.h variants don't
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//========================================================================
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#ifndef WM_MOUSEHWHEEL
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#define WM_MOUSEHWHEEL 0x020E
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#endif
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#ifndef WM_DWMCOMPOSITIONCHANGED
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#define WM_DWMCOMPOSITIONCHANGED 0x031E
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#endif
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#ifndef WM_COPYGLOBALDATA
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#define WM_COPYGLOBALDATA 0x0049
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#endif
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#ifndef WM_UNICHAR
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#define WM_UNICHAR 0x0109
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#endif
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#ifndef UNICODE_NOCHAR
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#define UNICODE_NOCHAR 0xFFFF
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#endif
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#if WINVER < 0x0601
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typedef struct tagCHANGEFILTERSTRUCT
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{
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DWORD cbSize;
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DWORD ExtStatus;
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} CHANGEFILTERSTRUCT, *PCHANGEFILTERSTRUCT;
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#ifndef MSGFLT_ALLOW
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#define MSGFLT_ALLOW 1
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#endif
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#endif /*Windows 7*/
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//========================================================================
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// DLLs that are loaded at glfwInit()
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//========================================================================
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// winmm.dll function pointer typedefs
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#ifndef _GLFW_NO_DLOAD_WINMM
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typedef MMRESULT (WINAPI * JOYGETDEVCAPS_T) (UINT,LPJOYCAPS,UINT);
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typedef MMRESULT (WINAPI * JOYGETPOS_T) (UINT,LPJOYINFO);
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typedef MMRESULT (WINAPI * JOYGETPOSEX_T) (UINT,LPJOYINFOEX);
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typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
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#endif // _GLFW_NO_DLOAD_WINMM
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// winmm.dll shortcuts
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#ifndef _GLFW_NO_DLOAD_WINMM
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#define _glfw_joyGetDevCaps _glfw.win32.winmm.joyGetDevCaps
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#define _glfw_joyGetPos _glfw.win32.winmm.joyGetPos
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#define _glfw_joyGetPosEx _glfw.win32.winmm.joyGetPosEx
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#define _glfw_timeGetTime _glfw.win32.winmm.timeGetTime
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#else
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#define _glfw_joyGetDevCaps joyGetDevCaps
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#define _glfw_joyGetPos joyGetPos
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#define _glfw_joyGetPosEx joyGetPosEx
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#define _glfw_timeGetTime timeGetTime
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#endif // _GLFW_NO_DLOAD_WINMM
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// user32.dll function pointer typedefs
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typedef BOOL (WINAPI * SETPROCESSDPIAWARE_T)(void);
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typedef BOOL (WINAPI * CHANGEWINDOWMESSAGEFILTEREX_T)(HWND,UINT,DWORD,PCHANGEFILTERSTRUCT);
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#define _glfw_SetProcessDPIAware _glfw.win32.user32.SetProcessDPIAware
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#define _glfw_ChangeWindowMessageFilterEx _glfw.win32.user32.ChangeWindowMessageFilterEx
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// dwmapi.dll function pointer typedefs
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typedef HRESULT (WINAPI * DWMISCOMPOSITIONENABLED_T)(BOOL*);
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#define _glfw_DwmIsCompositionEnabled _glfw.win32.dwmapi.DwmIsCompositionEnabled
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// We use versioned window class names in order not to cause conflicts
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// between applications using different versions of GLFW
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#define _GLFW_WNDCLASSNAME L"GLFW30"
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#define _GLFW_RECREATION_NOT_NEEDED 0
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#define _GLFW_RECREATION_REQUIRED 1
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#define _GLFW_RECREATION_IMPOSSIBLE 2
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#if defined(_GLFW_WGL)
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#include "wgl_platform.h"
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#elif defined(_GLFW_EGL)
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#define _GLFW_EGL_NATIVE_WINDOW window->win32.handle
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#define _GLFW_EGL_NATIVE_DISPLAY EGL_DEFAULT_DISPLAY
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#include "egl_platform.h"
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#else
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#error "No supported context creation API selected"
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#endif
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#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowWin32 win32
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#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryWin32 win32
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#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorWin32 win32
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//========================================================================
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// GLFW platform specific types
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//========================================================================
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//------------------------------------------------------------------------
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// Platform-specific window structure
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//------------------------------------------------------------------------
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typedef struct _GLFWwindowWin32
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{
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// Platform specific window resources
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HWND handle; // Window handle
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DWORD dwStyle; // Window styles used for window creation
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DWORD dwExStyle; // --"--
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// Various platform specific internal variables
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GLboolean cursorCentered;
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GLboolean cursorInside;
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GLboolean cursorHidden;
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int oldCursorX, oldCursorY;
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} _GLFWwindowWin32;
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//------------------------------------------------------------------------
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// Platform-specific library global data for Win32
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//------------------------------------------------------------------------
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typedef struct _GLFWlibraryWin32
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{
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ATOM classAtom;
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DWORD foregroundLockTimeout;
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char* clipboardString;
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// Timer data
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struct {
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GLboolean hasPC;
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double resolution;
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unsigned __int64 base;
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} timer;
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#ifndef _GLFW_NO_DLOAD_WINMM
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// winmm.dll
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struct {
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HINSTANCE instance;
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JOYGETDEVCAPS_T joyGetDevCaps;
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JOYGETPOS_T joyGetPos;
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JOYGETPOSEX_T joyGetPosEx;
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TIMEGETTIME_T timeGetTime;
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} winmm;
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#endif // _GLFW_NO_DLOAD_WINMM
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// user32.dll
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struct {
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HINSTANCE instance;
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SETPROCESSDPIAWARE_T SetProcessDPIAware;
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CHANGEWINDOWMESSAGEFILTEREX_T ChangeWindowMessageFilterEx;
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} user32;
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// dwmapi.dll
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struct {
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HINSTANCE instance;
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DWMISCOMPOSITIONENABLED_T DwmIsCompositionEnabled;
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} dwmapi;
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struct {
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float axes[6];
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unsigned char buttons[36]; // 32 buttons plus one hat
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char* name;
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} joystick[GLFW_JOYSTICK_LAST + 1];
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} _GLFWlibraryWin32;
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//------------------------------------------------------------------------
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// Platform-specific monitor structure
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//------------------------------------------------------------------------
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typedef struct _GLFWmonitorWin32
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{
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// This size matches the static size of DISPLAY_DEVICE.DeviceName
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WCHAR name[32];
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GLboolean modeChanged;
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} _GLFWmonitorWin32;
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//========================================================================
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// Prototypes for platform specific internal functions
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//========================================================================
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// Desktop compositing
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BOOL _glfwIsCompositionEnabled(void);
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// Wide strings
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WCHAR* _glfwCreateWideStringFromUTF8(const char* source);
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char* _glfwCreateUTF8FromWideString(const WCHAR* source);
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// Time
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void _glfwInitTimer(void);
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// Joystick input
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void _glfwInitJoysticks(void);
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void _glfwTerminateJoysticks(void);
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// Fullscreen support
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GLboolean _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired);
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void _glfwRestoreVideoMode(_GLFWmonitor* monitor);
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#endif // _win32_platform_h_
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