diff --git a/src/lib/synwinhk/synwinhk.cpp b/src/lib/synwinhk/synwinhk.cpp index 6d7123c5..edee8e0e 100644 --- a/src/lib/synwinhk/synwinhk.cpp +++ b/src/lib/synwinhk/synwinhk.cpp @@ -16,6 +16,54 @@ * along with this program. If not, see . */ + +/* REMOVED ImmuneKeys for migration of synwinhk out of DLL + +// because all of our global data is shared between processes, +// allocating shared data on-the-fly is tricky. therefore let's +// store all of our immune keys in a pre-allocated array. the +// downside here is that we have to pick a maximum number of +// immune keys to store. who would ever want barrier to ignore +// more than 32 keys on their keyboard?? +struct ImmuneKeys +{ +static const std::size_t MaxKeys = 32; +DWORD list[MaxKeys]; +std::size_t count; +}; + +static ImmuneKeys g_immuneKeys{ {0}, 0 }; + +inline static +bool is_immune_key(DWORD target) +{ + for (std::size_t idx = 0; idx < g_immuneKeys.count; ++idx) { + if (g_immuneKeys.list[idx] == target) + return true; + } + return false; +} + +// allow all immune keys to pass without filtering +if (is_immune_key(static_cast(wParam))) + return false; + +// do not call this while the hooks are active! +void +setImmuneKeys(const DWORD *list, std::size_t size) +{ + if (size > ImmuneKeys::MaxKeys) + size = ImmuneKeys::MaxKeys; + g_immuneKeys.count = size; + if (size > 0) { + for (std::size_t idx = 0; idx < size; ++idx) + g_immuneKeys.list[idx] = list[idx]; + } +} + +*/ + + #include "synwinhk/synwinhk.h" #include "barrier/protocol_types.h" @@ -23,18 +71,13 @@ #include #include -#if _MSC_VER >= 1400 -// VS2005 hack - we don't use assert here because we don't want to link with the CRT. #undef assert #if _DEBUG #define assert(_X_) if (!(_X_)) __debugbreak() #else #define assert(_X_) __noop() #endif -// VS2005 is a bit more smart than VC6 and optimize simple copy loop to -// intrinsic memcpy. #pragma function(memcpy) -#endif // // debugging compile flag. when not zero the server doesn't grab @@ -44,12 +87,6 @@ // #define NO_GRAB_KEYBOARD 0 -// -// debugging compile flag. when not zero the server will not -// install low level hooks. -// -#define NO_LOWLEVEL_HOOKS 0 - // // extra mouse wheel stuff // @@ -67,37 +104,6 @@ typedef struct tagMOUSEHOOKSTRUCTWin2000 { DWORD mouseData; } MOUSEHOOKSTRUCTWin2000; -#if !defined(SM_MOUSEWHEELPRESENT) -#define SM_MOUSEWHEELPRESENT 75 -#endif - -// X button stuff -#if !defined(WM_XBUTTONDOWN) -#define WM_XBUTTONDOWN 0x020B -#define WM_XBUTTONUP 0x020C -#define WM_XBUTTONDBLCLK 0x020D -#define WM_NCXBUTTONDOWN 0x00AB -#define WM_NCXBUTTONUP 0x00AC -#define WM_NCXBUTTONDBLCLK 0x00AD -#define MOUSEEVENTF_XDOWN 0x0080 -#define MOUSEEVENTF_XUP 0x0100 -#define XBUTTON1 0x0001 -#define XBUTTON2 0x0002 -#endif - -// because all of our global data is shared between processes, -// allocating shared data on-the-fly is tricky. therefore let's -// store all of our immune keys in a pre-allocated array. the -// downside here is that we have to pick a maximum number of -// immune keys to store. who would ever want barrier to ignore -// more than 32 keys on their keyboard?? -struct ImmuneKeys -{ - static const std::size_t MaxKeys = 32; - DWORD list[MaxKeys]; - std::size_t count; -}; - // // globals // @@ -113,8 +119,6 @@ static DWORD g_processID = 0; static EWheelSupport g_wheelSupport = kWheelNone; static UINT g_wmMouseWheel = 0; static DWORD g_threadID = 0; -static HHOOK g_keyboard = NULL; -static HHOOK g_mouse = NULL; static HHOOK g_getMessage = NULL; static HHOOK g_keyboardLL = NULL; static HHOOK g_mouseLL = NULL; @@ -133,7 +137,6 @@ static BYTE g_deadKeyState[256] = { 0 }; static BYTE g_keyState[256] = { 0 }; static DWORD g_hookThread = 0; static bool g_fakeInput = false; -static ImmuneKeys g_immuneKeys{ {0}, 0 }; #if defined(_MSC_VER) #pragma data_seg() @@ -199,7 +202,7 @@ keyboardGetState(BYTE keys[256], DWORD vkCode, bool kf_up) static bool -doKeyboardHookHandler(WPARAM wParam, LPARAM lParam) +keyboardHookHandler(WPARAM wParam, LPARAM lParam) { DWORD vkCode = static_cast(wParam); bool kf_up = (lParam & (KF_UP << 16)) != 0; @@ -457,31 +460,11 @@ doKeyboardHookHandler(WPARAM wParam, LPARAM lParam) return false; } - -inline static -bool is_immune_key(DWORD target) -{ - for (std::size_t idx = 0; idx < g_immuneKeys.count; ++idx) { - if (g_immuneKeys.list[idx] == target) - return true; - } - return false; -} - -static -bool -keyboardHookHandler(WPARAM wParam, LPARAM lParam) -{ - // allow all immune keys to pass without filtering - if (is_immune_key(static_cast(wParam))) - return false; - return doKeyboardHookHandler(wParam, lParam); -} #endif static bool -doMouseHookHandler(WPARAM wParam, SInt32 x, SInt32 y, SInt32 data) +mouseHookHandler(WPARAM wParam, SInt32 x, SInt32 y, SInt32 data) { switch (wParam) { case WM_LBUTTONDOWN: @@ -581,74 +564,6 @@ doMouseHookHandler(WPARAM wParam, SInt32 x, SInt32 y, SInt32 data) return false; } -static -bool -mouseHookHandler(WPARAM wParam, SInt32 x, SInt32 y, SInt32 data) -{ - return doMouseHookHandler(wParam, x, y, data); -} - -#if !NO_GRAB_KEYBOARD -static -LRESULT CALLBACK -keyboardHook(int code, WPARAM wParam, LPARAM lParam) -{ - if (code >= 0) { - // handle the message - if (keyboardHookHandler(wParam, lParam)) { - return 1; - } - } - - return CallNextHookEx(g_keyboard, code, wParam, lParam); -} -#endif - -static -LRESULT CALLBACK -mouseHook(int code, WPARAM wParam, LPARAM lParam) -{ - if (code >= 0) { - // decode message - const MOUSEHOOKSTRUCT* info = (const MOUSEHOOKSTRUCT*)lParam; - SInt32 x = (SInt32)info->pt.x; - SInt32 y = (SInt32)info->pt.y; - SInt32 w = 0; - if (wParam == WM_MOUSEWHEEL) { - // win2k and other systems supporting WM_MOUSEWHEEL in - // the mouse hook are gratuitously different (and poorly - // documented). if a low-level mouse hook is in place - // it should capture these events so we'll never see - // them. - switch (g_wheelSupport) { - case kWheelModern: - w = static_cast(LOWORD(info->dwExtraInfo)); - break; - - case kWheelWin2000: { - const MOUSEHOOKSTRUCTWin2000* info2k = - (const MOUSEHOOKSTRUCTWin2000*)lParam; - w = static_cast(HIWORD(info2k->mouseData)); - break; - } - - default: - break; - } - } - - // handle the message. note that we don't handle X buttons - // here. that's okay because they're only supported on - // win2k and winxp and up and on those platforms we'll get - // get the mouse events through the low level hook. - if (mouseHookHandler(wParam, x, y, w)) { - return 1; - } - } - - return CallNextHookEx(g_mouse, code, wParam, lParam); -} - static LRESULT CALLBACK getMessageHook(int code, WPARAM wParam, LPARAM lParam) @@ -681,8 +596,6 @@ getMessageHook(int code, WPARAM wParam, LPARAM lParam) return CallNextHookEx(g_getMessage, code, wParam, lParam); } -#if (_WIN32_WINNT >= 0x0400) && defined(_MSC_VER) && !NO_LOWLEVEL_HOOKS - // // low-level keyboard hook -- this allows us to capture and handle // alt+tab, alt+esc, ctrl+esc, and windows key hot keys. on the down @@ -748,8 +661,6 @@ mouseLLHook(int code, WPARAM wParam, LPARAM lParam) return CallNextHookEx(g_mouseLL, code, wParam, lParam); } -#endif - static EWheelSupport getWheelSupport() @@ -922,8 +833,6 @@ init(DWORD threadID) g_processID = GetCurrentProcessId(); g_wheelSupport = kWheelNone; g_threadID = 0; - g_keyboard = NULL; - g_mouse = NULL; g_getMessage = NULL; g_keyboardLL = NULL; g_mouseLL = NULL; @@ -962,8 +871,6 @@ EHookResult install() { assert(g_hinstance != NULL); - assert(g_keyboard == NULL); - assert(g_mouse == NULL); assert(g_getMessage == NULL || g_screenSaver); // must be initialized @@ -990,7 +897,6 @@ install() } // install low-level hooks. we require that they both get installed. -#if (_WIN32_WINNT >= 0x0400) && defined(_MSC_VER) && !NO_LOWLEVEL_HOOKS g_mouseLL = SetWindowsHookEx(WH_MOUSE_LL, &mouseLLHook, g_hinstance, @@ -1011,30 +917,13 @@ install() } } #endif -#endif - - // install regular hooks - if (g_mouseLL == NULL) { - g_mouse = SetWindowsHookEx(WH_MOUSE, - &mouseHook, - g_hinstance, - 0); - } -#if !NO_GRAB_KEYBOARD - if (g_keyboardLL == NULL) { - g_keyboard = SetWindowsHookEx(WH_KEYBOARD, - &keyboardHook, - g_hinstance, - 0); - } -#endif // check that we got all the hooks we wanted if ((g_getMessage == NULL && g_wheelSupport == kWheelOld) || #if !NO_GRAB_KEYBOARD - (g_keyboardLL == NULL && g_keyboard == NULL) || + (g_keyboardLL == NULL) || #endif - (g_mouseLL == NULL && g_mouse == NULL)) { + (g_mouseLL == NULL)) { uninstall(); return kHOOK_FAILED; } @@ -1065,14 +954,6 @@ uninstall(void) UnhookWindowsHookEx(g_mouseLL); g_mouseLL = NULL; } - if (g_keyboard != NULL) { - UnhookWindowsHookEx(g_keyboard); - g_keyboard = NULL; - } - if (g_mouse != NULL) { - UnhookWindowsHookEx(g_mouse); - g_mouse = NULL; - } if (g_getMessage != NULL && !g_screenSaver) { UnhookWindowsHookEx(g_getMessage); g_getMessage = NULL; @@ -1149,17 +1030,4 @@ setMode(EHookMode mode) g_mode = mode; } -// do not call this while the hooks are active! -void -setImmuneKeys(const DWORD *list, std::size_t size) -{ - if (size > ImmuneKeys::MaxKeys) - size = ImmuneKeys::MaxKeys; - g_immuneKeys.count = size; - if (size > 0) { - for (std::size_t idx = 0; idx < size; ++idx) - g_immuneKeys.list[idx] = list[idx]; - } -} - } diff --git a/src/lib/synwinhk/synwinhk.h b/src/lib/synwinhk/synwinhk.h index 32d1068c..4a9df5be 100644 --- a/src/lib/synwinhk/synwinhk.h +++ b/src/lib/synwinhk/synwinhk.h @@ -18,14 +18,6 @@ #pragma once -// hack: vs2005 doesn't declare _WIN32_WINNT, so we need to hard code it. -// however, some say that this should be hard coded since it defines the -// target system, but since this is suposed to compile on pre-XP, maybe -// we should just leave it like this. -#if _MSC_VER == 1400 -#define _WIN32_WINNT 0x0400 -#endif - #include "base/EventTypes.h" #define WIN32_LEAN_AND_MEAN