Removed synwinhk DLL, back porting 703097c
This commit is contained in:
parent
2849f76f31
commit
051138c8df
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@ -26,7 +26,3 @@ add_subdirectory(platform)
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add_subdirectory(server)
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add_subdirectory(synergy)
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add_subdirectory(shared)
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if (WIN32)
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add_subdirectory(synwinhk)
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endif()
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@ -18,7 +18,7 @@
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#include "platform/MSWindowsDesks.h"
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#include "synwinhk/synwinhk.h"
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#include "platform/synwinhk.h"
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#include "platform/MSWindowsScreen.h"
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#include "synergy/IScreenSaver.h"
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#include "synergy/XScreen.h"
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@ -93,7 +93,7 @@
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//
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MSWindowsDesks::MSWindowsDesks(
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bool isPrimary, bool noHooks, HINSTANCE hookLibrary,
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bool isPrimary, bool noHooks,
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const IScreenSaver* screensaver, IEventQueue* events,
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IJob* updateKeys, bool stopOnDeskSwitch) :
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m_isPrimary(isPrimary),
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@ -114,8 +114,6 @@ MSWindowsDesks::MSWindowsDesks(
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m_events(events),
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m_stopOnDeskSwitch(stopOnDeskSwitch)
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{
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if (hookLibrary != NULL)
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queryHookLibrary(hookLibrary);
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m_cursor = createBlankCursor();
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m_deskClass = createDeskWindowClass(m_isPrimary);
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@ -348,35 +346,6 @@ MSWindowsDesks::sendMessage(UINT msg, WPARAM wParam, LPARAM lParam) const
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}
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}
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void
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MSWindowsDesks::queryHookLibrary(HINSTANCE hookLibrary)
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{
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// look up functions
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if (m_isPrimary && !m_noHooks) {
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m_install = (InstallFunc)GetProcAddress(hookLibrary, "install");
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m_uninstall = (UninstallFunc)GetProcAddress(hookLibrary, "uninstall");
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m_installScreensaver =
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(InstallScreenSaverFunc)GetProcAddress(
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hookLibrary, "installScreenSaver");
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m_uninstallScreensaver =
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(UninstallScreenSaverFunc)GetProcAddress(
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hookLibrary, "uninstallScreenSaver");
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if (m_install == NULL ||
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m_uninstall == NULL ||
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m_installScreensaver == NULL ||
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m_uninstallScreensaver == NULL) {
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LOG((CLOG_ERR "Invalid hook library"));
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throw XScreenOpenFailure();
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}
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}
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else {
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m_install = NULL;
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m_uninstall = NULL;
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m_installScreensaver = NULL;
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m_uninstallScreensaver = NULL;
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}
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}
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HCURSOR
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MSWindowsDesks::createBlankCursor() const
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{
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@ -690,13 +659,13 @@ MSWindowsDesks::deskThread(void* vdesk)
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continue;
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case SYNERGY_MSG_SWITCH:
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if (m_isPrimary && !m_noHooks) {
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m_uninstall();
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if (!m_noHooks) {
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MSWindowsHook::uninstall();
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if (m_screensaverNotify) {
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m_uninstallScreensaver();
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m_installScreensaver();
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MSWindowsHook::uninstallScreenSaver();
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MSWindowsHook::installScreenSaver();
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}
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switch (m_install()) {
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switch (MSWindowsHook::install()) {
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case kHOOK_FAILED:
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// we won't work on this desk
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desk->m_lowLevel = false;
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@ -772,10 +741,10 @@ MSWindowsDesks::deskThread(void* vdesk)
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case SYNERGY_MSG_SCREENSAVER:
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if (!m_noHooks) {
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if (msg.wParam != 0) {
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m_installScreensaver();
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MSWindowsHook::installScreenSaver();
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}
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else {
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m_uninstallScreensaver();
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MSWindowsHook::uninstallScreenSaver();
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}
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}
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break;
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@ -18,7 +18,7 @@
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#pragma once
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#include "synwinhk/synwinhk.h"
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#include "platform/synwinhk.h"
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#include "synergy/key_types.h"
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#include "synergy/mouse_types.h"
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#include "synergy/option_types.h"
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@ -65,7 +65,7 @@ public:
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\p hookLibrary must be a handle to the hook library.
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*/
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MSWindowsDesks(
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bool isPrimary, bool noHooks, HINSTANCE hookLibrary,
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bool isPrimary, bool noHooks,
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const IScreenSaver* screensaver, IEventQueue* events,
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IJob* updateKeys, bool stopOnDeskSwitch);
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~MSWindowsDesks();
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@ -206,7 +206,6 @@ private:
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typedef std::map<String, Desk*> Desks;
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// initialization and shutdown operations
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void queryHookLibrary(HINSTANCE hookLibrary);
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HCURSOR createBlankCursor() const;
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void destroyCursor(HCURSOR cursor) const;
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ATOM createDeskWindowClass(bool isPrimary) const;
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@ -283,14 +282,6 @@ private:
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CondVar<bool> m_deskReady;
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Desks m_desks;
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// hook library stuff
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InstallFunc m_install;
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UninstallFunc m_uninstall;
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InstallScreenSaverFunc
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m_installScreensaver;
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UninstallScreenSaverFunc
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m_uninstallScreensaver;
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// keyboard stuff
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IJob* m_updateKeys;
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HKL m_keyLayout;
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@ -17,19 +17,35 @@
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*/
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#include "platform/MSWindowsHook.h"
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#include "synergy/protocol_types.h"
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#include "synergy/XScreen.h"
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#include "base/Log.h"
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static const char* g_name = "synwinhk";
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MSWindowsHook::MSWindowsHook() :
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m_initFunc(NULL),
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m_cleanupFunc(NULL),
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m_setSidesFunc(NULL),
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m_setZoneFunc(NULL),
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m_setModeFunc(NULL),
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m_instance(NULL)
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static DWORD g_processID = 0;
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static DWORD g_threadID = 0;
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static HHOOK g_getMessage = NULL;
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static HHOOK g_keyboardLL = NULL;
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static HHOOK g_mouseLL = NULL;
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static bool g_screenSaver = false;
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static EHookMode g_mode = kHOOK_DISABLE;
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static UInt32 g_zoneSides = 0;
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static SInt32 g_zoneSize = 0;
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static SInt32 g_xScreen = 0;
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static SInt32 g_yScreen = 0;
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static SInt32 g_wScreen = 0;
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static SInt32 g_hScreen = 0;
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static WPARAM g_deadVirtKey = 0;
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static WPARAM g_deadRelease = 0;
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static LPARAM g_deadLParam = 0;
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static BYTE g_deadKeyState[256] = { 0 };
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static BYTE g_keyState[256] = { 0 };
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static DWORD g_hookThread = 0;
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static bool g_fakeServerInput = false;
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static BOOL g_isPrimary = TRUE;
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MSWindowsHook::MSWindowsHook()
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{
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}
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@ -37,35 +53,18 @@ MSWindowsHook::~MSWindowsHook()
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{
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cleanup();
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if (m_instance != NULL) {
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FreeLibrary(m_instance);
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if (g_processID == GetCurrentProcessId()) {
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uninstall();
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uninstallScreenSaver();
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g_processID = 0;
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}
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}
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void
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MSWindowsHook::loadLibrary()
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{
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// load library
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m_instance = LoadLibrary(g_name);
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if (m_instance == NULL) {
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LOG((CLOG_ERR "failed to load hook library, %s.dll is missing or invalid", g_name));
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throw XScreenOpenFailure();
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}
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// look up functions
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m_setSidesFunc = (SetSidesFunc)GetProcAddress(m_instance, "setSides");
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m_setZoneFunc = (SetZoneFunc)GetProcAddress(m_instance, "setZone");
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m_setModeFunc = (SetModeFunc)GetProcAddress(m_instance, "setMode");
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m_initFunc = (InitFunc)GetProcAddress(m_instance, "init");
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m_cleanupFunc = (CleanupFunc)GetProcAddress(m_instance, "cleanup");
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if (m_setSidesFunc == NULL ||
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m_setZoneFunc == NULL ||
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m_setModeFunc == NULL ||
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m_initFunc == NULL ||
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m_cleanupFunc == NULL) {
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LOG((CLOG_ERR "failed to load hook function, %s.dll could be out of date", g_name));
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throw XScreenOpenFailure();
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if (g_processID == 0) {
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g_processID = GetCurrentProcessId();
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}
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// initialize library
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@ -76,53 +75,703 @@ MSWindowsHook::loadLibrary()
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}
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}
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HINSTANCE
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MSWindowsHook::getInstance() const
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{
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return m_instance;
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}
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int
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MSWindowsHook::init(DWORD threadID)
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{
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if (m_initFunc == NULL) {
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return NULL;
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// try to open process that last called init() to see if it's
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// still running or if it died without cleaning up.
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if (g_processID != 0 && g_processID != GetCurrentProcessId()) {
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HANDLE process = OpenProcess(STANDARD_RIGHTS_REQUIRED,
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FALSE, g_processID);
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if (process != NULL) {
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// old process (probably) still exists so refuse to
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// reinitialize this DLL (and thus steal it from the
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// old process).
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int result = CloseHandle(process);
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if (result == false) {
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return 0;
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}
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}
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// clean up after old process. the system should've already
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// removed the hooks so we just need to reset our state.
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g_processID = GetCurrentProcessId();
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g_threadID = 0;
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g_getMessage = NULL;
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g_keyboardLL = NULL;
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g_mouseLL = NULL;
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g_screenSaver = false;
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}
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return m_initFunc(threadID);
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// save thread id. we'll post messages to this thread's
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// message queue.
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g_threadID = threadID;
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// set defaults
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g_mode = kHOOK_DISABLE;
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g_zoneSides = 0;
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g_zoneSize = 0;
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g_xScreen = 0;
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g_yScreen = 0;
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g_wScreen = 0;
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g_hScreen = 0;
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return 1;
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}
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int
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MSWindowsHook::cleanup()
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{
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if (m_cleanupFunc == NULL) {
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return NULL;
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if (g_processID == GetCurrentProcessId()) {
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g_threadID = 0;
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}
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return m_cleanupFunc();
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return 1;
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}
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void
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MSWindowsHook::setSides(UInt32 sides)
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{
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if (m_setSidesFunc == NULL) {
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return;
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}
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m_setSidesFunc(sides);
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g_zoneSides = sides;
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}
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void
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MSWindowsHook::setZone(SInt32 x, SInt32 y, SInt32 w, SInt32 h, SInt32 jumpZoneSize)
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{
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if (m_setZoneFunc == NULL) {
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return;
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}
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m_setZoneFunc(x, y, w, h, jumpZoneSize);
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g_zoneSize = jumpZoneSize;
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g_xScreen = x;
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g_yScreen = y;
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g_wScreen = w;
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g_hScreen = h;
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}
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void
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MSWindowsHook::setMode(EHookMode mode)
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{
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if (m_setModeFunc == NULL) {
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if (mode == g_mode) {
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// no change
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return;
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}
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m_setModeFunc(mode);
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g_mode = mode;
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}
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static
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void
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keyboardGetState(BYTE keys[256], DWORD vkCode, bool kf_up)
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{
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// we have to use GetAsyncKeyState() rather than GetKeyState() because
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// we don't pass through most keys so the event synchronous state
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// doesn't get updated. we do that because certain modifier keys have
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// side effects, like alt and the windows key.
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if (vkCode < 0 || vkCode >= 256) {
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return;
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}
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// Keep track of key state on our own in case GetAsyncKeyState() fails
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g_keyState[vkCode] = kf_up ? 0 : 0x80;
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g_keyState[VK_SHIFT] = g_keyState[VK_LSHIFT] | g_keyState[VK_RSHIFT];
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SHORT key;
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// Test whether GetAsyncKeyState() is being honest with us
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key = GetAsyncKeyState(vkCode);
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if (key & 0x80) {
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// The only time we know for sure that GetAsyncKeyState() is working
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// is when it tells us that the current key is down.
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// In this case, update g_keyState to reflect what GetAsyncKeyState()
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// is telling us, just in case we have gotten out of sync
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for (int i = 0; i < 256; ++i) {
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key = GetAsyncKeyState(i);
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g_keyState[i] = (BYTE)((key < 0) ? 0x80u : 0);
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}
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}
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// copy g_keyState to keys
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for (int i = 0; i < 256; ++i) {
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keys[i] = g_keyState[i];
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}
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key = GetKeyState(VK_CAPITAL);
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keys[VK_CAPITAL] = (BYTE)(((key < 0) ? 0x80 : 0) | (key & 1));
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}
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static
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WPARAM
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makeKeyMsg(UINT virtKey, char c, bool noAltGr)
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{
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return MAKEWPARAM(MAKEWORD(virtKey & 0xff, (BYTE)c), noAltGr ? 1 : 0);
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}
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static
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bool
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keyboardHookHandler(WPARAM wParam, LPARAM lParam)
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{
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DWORD vkCode = static_cast<DWORD>(wParam);
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bool kf_up = (lParam & (KF_UP << 16)) != 0;
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// check for special events indicating if we should start or stop
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// passing events through and not report them to the server. this
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// is used to allow the server to synthesize events locally but
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// not pick them up as user events.
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if (wParam == SYNERGY_HOOK_FAKE_INPUT_VIRTUAL_KEY &&
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((lParam >> 16) & 0xffu) == SYNERGY_HOOK_FAKE_INPUT_SCANCODE) {
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// update flag
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g_fakeServerInput = ((lParam & 0x80000000u) == 0);
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PostThreadMessage(g_threadID, SYNERGY_MSG_DEBUG,
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0xff000000u | wParam, lParam);
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// discard event
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return true;
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}
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// if we're expecting fake input then just pass the event through
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// and do not forward to the server
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if (g_fakeServerInput) {
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PostThreadMessage(g_threadID, SYNERGY_MSG_DEBUG,
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0xfe000000u | wParam, lParam);
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return false;
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}
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// VK_RSHIFT may be sent with an extended scan code but right shift
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// is not an extended key so we reset that bit.
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if (wParam == VK_RSHIFT) {
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lParam &= ~0x01000000u;
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}
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// tell server about event
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PostThreadMessage(g_threadID, SYNERGY_MSG_DEBUG, wParam, lParam);
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// ignore dead key release
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if ((g_deadVirtKey == wParam || g_deadRelease == wParam) &&
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(lParam & 0x80000000u) != 0) {
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g_deadRelease = 0;
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PostThreadMessage(g_threadID, SYNERGY_MSG_DEBUG,
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wParam | 0x04000000, lParam);
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return false;
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}
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// we need the keyboard state for ToAscii()
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BYTE keys[256];
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keyboardGetState(keys, vkCode, kf_up);
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// ToAscii() maps ctrl+letter to the corresponding control code
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// and ctrl+backspace to delete. we don't want those translations
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// so clear the control modifier state. however, if we want to
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// simulate AltGr (which is ctrl+alt) then we must not clear it.
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UINT control = keys[VK_CONTROL] | keys[VK_LCONTROL] | keys[VK_RCONTROL];
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UINT menu = keys[VK_MENU] | keys[VK_LMENU] | keys[VK_RMENU];
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if ((control & 0x80) == 0 || (menu & 0x80) == 0) {
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keys[VK_LCONTROL] = 0;
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keys[VK_RCONTROL] = 0;
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keys[VK_CONTROL] = 0;
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}
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else {
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keys[VK_LCONTROL] = 0x80;
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keys[VK_RCONTROL] = 0x80;
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keys[VK_CONTROL] = 0x80;
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keys[VK_LMENU] = 0x80;
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keys[VK_RMENU] = 0x80;
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keys[VK_MENU] = 0x80;
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}
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// ToAscii() needs to know if a menu is active for some reason.
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// we don't know and there doesn't appear to be any way to find
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// out. so we'll just assume a menu is active if the menu key
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// is down.
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// FIXME -- figure out some way to check if a menu is active
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UINT flags = 0;
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if ((menu & 0x80) != 0)
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flags |= 1;
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// if we're on the server screen then just pass numpad keys with alt
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// key down as-is. we won't pick up the resulting character but the
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// local app will. if on a client screen then grab keys as usual;
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// if the client is a windows system it'll synthesize the expected
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// character. if not then it'll probably just do nothing.
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if (g_mode != kHOOK_RELAY_EVENTS) {
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// we don't use virtual keys because we don't know what the
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// state of the numlock key is. we'll hard code the scan codes
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// instead. hopefully this works across all keyboards.
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UINT sc = (lParam & 0x01ff0000u) >> 16;
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if (menu &&
|
||||
(sc >= 0x47u && sc <= 0x52u && sc != 0x4au && sc != 0x4eu)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
WORD c = 0;
|
||||
|
||||
// map the key event to a character. we have to put the dead
|
||||
// key back first and this has the side effect of removing it.
|
||||
if (g_deadVirtKey != 0) {
|
||||
if (ToAscii((UINT)g_deadVirtKey, (g_deadLParam & 0x10ff0000u) >> 16,
|
||||
g_deadKeyState, &c, flags) == 2)
|
||||
{
|
||||
// If ToAscii returned 2, it means that we accidentally removed
|
||||
// a double dead key instead of restoring it. Thus, we call
|
||||
// ToAscii again with the same parameters to restore the
|
||||
// internal dead key state.
|
||||
ToAscii((UINT)g_deadVirtKey, (g_deadLParam & 0x10ff0000u) >> 16,
|
||||
g_deadKeyState, &c, flags);
|
||||
|
||||
// We need to keep track of this because g_deadVirtKey will be
|
||||
// cleared later on; this would cause the dead key release to
|
||||
// incorrectly restore the dead key state.
|
||||
g_deadRelease = g_deadVirtKey;
|
||||
}
|
||||
}
|
||||
|
||||
UINT scanCode = ((lParam & 0x10ff0000u) >> 16);
|
||||
int n = ToAscii((UINT)wParam, scanCode, keys, &c, flags);
|
||||
|
||||
// if mapping failed and ctrl and alt are pressed then try again
|
||||
// with both not pressed. this handles the case where ctrl and
|
||||
// alt are being used as individual modifiers rather than AltGr.
|
||||
// we note that's the case in the message sent back to synergy
|
||||
// because there's no simple way to deduce it after the fact.
|
||||
// we have to put the dead key back first, if there was one.
|
||||
bool noAltGr = false;
|
||||
if (n == 0 && (control & 0x80) != 0 && (menu & 0x80) != 0) {
|
||||
noAltGr = true;
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_DEBUG,
|
||||
wParam | 0x05000000, lParam);
|
||||
if (g_deadVirtKey != 0) {
|
||||
if (ToAscii((UINT)g_deadVirtKey, (g_deadLParam & 0x10ff0000u) >> 16,
|
||||
g_deadKeyState, &c, flags) == 2)
|
||||
{
|
||||
ToAscii((UINT)g_deadVirtKey, (g_deadLParam & 0x10ff0000u) >> 16,
|
||||
g_deadKeyState, &c, flags);
|
||||
g_deadRelease = g_deadVirtKey;
|
||||
}
|
||||
}
|
||||
BYTE keys2[256];
|
||||
for (size_t i = 0; i < sizeof(keys) / sizeof(keys[0]); ++i) {
|
||||
keys2[i] = keys[i];
|
||||
}
|
||||
keys2[VK_LCONTROL] = 0;
|
||||
keys2[VK_RCONTROL] = 0;
|
||||
keys2[VK_CONTROL] = 0;
|
||||
keys2[VK_LMENU] = 0;
|
||||
keys2[VK_RMENU] = 0;
|
||||
keys2[VK_MENU] = 0;
|
||||
n = ToAscii((UINT)wParam, scanCode, keys2, &c, flags);
|
||||
}
|
||||
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_DEBUG,
|
||||
wParam | ((c & 0xff) << 8) |
|
||||
((n & 0xff) << 16) | 0x06000000,
|
||||
lParam);
|
||||
WPARAM charAndVirtKey = 0;
|
||||
bool clearDeadKey = false;
|
||||
switch (n) {
|
||||
default:
|
||||
// key is a dead key
|
||||
|
||||
if (lParam & 0x80000000u)
|
||||
// This handles the obscure situation where a key has been
|
||||
// pressed which is both a dead key and a normal character
|
||||
// depending on which modifiers have been pressed. We
|
||||
// break here to prevent it from being considered a dead
|
||||
// key.
|
||||
break;
|
||||
|
||||
g_deadVirtKey = wParam;
|
||||
g_deadLParam = lParam;
|
||||
for (size_t i = 0; i < sizeof(keys) / sizeof(keys[0]); ++i) {
|
||||
g_deadKeyState[i] = keys[i];
|
||||
}
|
||||
break;
|
||||
|
||||
case 0:
|
||||
// key doesn't map to a character. this can happen if
|
||||
// non-character keys are pressed after a dead key.
|
||||
charAndVirtKey = makeKeyMsg((UINT)wParam, (char)0, noAltGr);
|
||||
break;
|
||||
|
||||
case 1:
|
||||
// key maps to a character composed with dead key
|
||||
charAndVirtKey = makeKeyMsg((UINT)wParam, (char)LOBYTE(c), noAltGr);
|
||||
clearDeadKey = true;
|
||||
break;
|
||||
|
||||
case 2: {
|
||||
// previous dead key not composed. send a fake key press
|
||||
// and release for the dead key to our window.
|
||||
WPARAM deadCharAndVirtKey =
|
||||
makeKeyMsg((UINT)g_deadVirtKey, (char)LOBYTE(c), noAltGr);
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_KEY,
|
||||
deadCharAndVirtKey, g_deadLParam & 0x7fffffffu);
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_KEY,
|
||||
deadCharAndVirtKey, g_deadLParam | 0x80000000u);
|
||||
|
||||
// use uncomposed character
|
||||
charAndVirtKey = makeKeyMsg((UINT)wParam, (char)HIBYTE(c), noAltGr);
|
||||
clearDeadKey = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// put back the dead key, if any, for the application to use
|
||||
if (g_deadVirtKey != 0) {
|
||||
ToAscii((UINT)g_deadVirtKey, (g_deadLParam & 0x10ff0000u) >> 16,
|
||||
g_deadKeyState, &c, flags);
|
||||
}
|
||||
|
||||
// clear out old dead key state
|
||||
if (clearDeadKey) {
|
||||
g_deadVirtKey = 0;
|
||||
g_deadLParam = 0;
|
||||
}
|
||||
|
||||
// forward message to our window. do this whether or not we're
|
||||
// forwarding events to clients because this'll keep our thread's
|
||||
// key state table up to date. that's important for querying
|
||||
// the scroll lock toggle state.
|
||||
// XXX -- with hot keys for actions we may only need to do this when
|
||||
// forwarding.
|
||||
if (charAndVirtKey != 0) {
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_DEBUG,
|
||||
charAndVirtKey | 0x07000000, lParam);
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_KEY, charAndVirtKey, lParam);
|
||||
}
|
||||
|
||||
if (g_mode == kHOOK_RELAY_EVENTS) {
|
||||
// let certain keys pass through
|
||||
switch (wParam) {
|
||||
case VK_CAPITAL:
|
||||
case VK_NUMLOCK:
|
||||
case VK_SCROLL:
|
||||
// pass event on. we want to let these through to
|
||||
// the window proc because otherwise the keyboard
|
||||
// lights may not stay synchronized.
|
||||
break;
|
||||
|
||||
case VK_HANGUL:
|
||||
// pass these modifiers if using a low level hook, discard
|
||||
// them if not.
|
||||
if (g_hookThread == 0) {
|
||||
return true;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
// discard
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
#if !NO_GRAB_KEYBOARD
|
||||
static
|
||||
LRESULT CALLBACK
|
||||
keyboardLLHook(int code, WPARAM wParam, LPARAM lParam)
|
||||
{
|
||||
if (code >= 0) {
|
||||
// decode the message
|
||||
KBDLLHOOKSTRUCT* info = reinterpret_cast<KBDLLHOOKSTRUCT*>(lParam);
|
||||
|
||||
bool const injected = info->flags & LLKHF_INJECTED;
|
||||
if (!g_isPrimary && injected) {
|
||||
return CallNextHookEx (g_keyboardLL, code, wParam, lParam);
|
||||
}
|
||||
|
||||
WPARAM wParam = info->vkCode;
|
||||
LPARAM lParam = 1; // repeat code
|
||||
lParam |= (info->scanCode << 16); // scan code
|
||||
if (info->flags & LLKHF_EXTENDED) {
|
||||
lParam |= (1lu << 24); // extended key
|
||||
}
|
||||
if (info->flags & LLKHF_ALTDOWN) {
|
||||
lParam |= (1lu << 29); // context code
|
||||
}
|
||||
if (info->flags & LLKHF_UP) {
|
||||
lParam |= (1lu << 31); // transition
|
||||
}
|
||||
// FIXME -- bit 30 should be set if key was already down but
|
||||
// we don't know that info. as a result we'll never generate
|
||||
// key repeat events.
|
||||
|
||||
// handle the message
|
||||
if (keyboardHookHandler(wParam, lParam)) {
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
return CallNextHookEx(g_keyboardLL, code, wParam, lParam);
|
||||
}
|
||||
#endif
|
||||
|
||||
//
|
||||
// low-level mouse hook -- this allows us to capture and handle mouse
|
||||
// events very early. the earlier the better.
|
||||
//
|
||||
|
||||
static
|
||||
bool
|
||||
mouseHookHandler(WPARAM wParam, SInt32 x, SInt32 y, SInt32 data)
|
||||
{
|
||||
switch (wParam) {
|
||||
case WM_LBUTTONDOWN:
|
||||
case WM_MBUTTONDOWN:
|
||||
case WM_RBUTTONDOWN:
|
||||
case WM_XBUTTONDOWN:
|
||||
case WM_LBUTTONDBLCLK:
|
||||
case WM_MBUTTONDBLCLK:
|
||||
case WM_RBUTTONDBLCLK:
|
||||
case WM_XBUTTONDBLCLK:
|
||||
case WM_LBUTTONUP:
|
||||
case WM_MBUTTONUP:
|
||||
case WM_RBUTTONUP:
|
||||
case WM_XBUTTONUP:
|
||||
case WM_NCLBUTTONDOWN:
|
||||
case WM_NCMBUTTONDOWN:
|
||||
case WM_NCRBUTTONDOWN:
|
||||
case WM_NCXBUTTONDOWN:
|
||||
case WM_NCLBUTTONDBLCLK:
|
||||
case WM_NCMBUTTONDBLCLK:
|
||||
case WM_NCRBUTTONDBLCLK:
|
||||
case WM_NCXBUTTONDBLCLK:
|
||||
case WM_NCLBUTTONUP:
|
||||
case WM_NCMBUTTONUP:
|
||||
case WM_NCRBUTTONUP:
|
||||
case WM_NCXBUTTONUP:
|
||||
// always relay the event. eat it if relaying.
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_MOUSE_BUTTON, wParam, data);
|
||||
return (g_mode == kHOOK_RELAY_EVENTS);
|
||||
|
||||
case WM_MOUSEWHEEL:
|
||||
if (g_mode == kHOOK_RELAY_EVENTS) {
|
||||
// relay event
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_MOUSE_WHEEL, data, 0);
|
||||
}
|
||||
return (g_mode == kHOOK_RELAY_EVENTS);
|
||||
|
||||
case WM_NCMOUSEMOVE:
|
||||
case WM_MOUSEMOVE:
|
||||
if (g_mode == kHOOK_RELAY_EVENTS) {
|
||||
// relay and eat event
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_MOUSE_MOVE, x, y);
|
||||
return true;
|
||||
}
|
||||
else if (g_mode == kHOOK_WATCH_JUMP_ZONE) {
|
||||
// low level hooks can report bogus mouse positions that are
|
||||
// outside of the screen. jeez. naturally we end up getting
|
||||
// fake motion in the other direction to get the position back
|
||||
// on the screen, which plays havoc with switch on double tap.
|
||||
// Server deals with that. we'll clamp positions onto the
|
||||
// screen. also, if we discard events for positions outside
|
||||
// of the screen then the mouse appears to get a bit jerky
|
||||
// near the edge. we can either accept that or pass the bogus
|
||||
// events. we'll try passing the events.
|
||||
bool bogus = false;
|
||||
if (x < g_xScreen) {
|
||||
x = g_xScreen;
|
||||
bogus = true;
|
||||
}
|
||||
else if (x >= g_xScreen + g_wScreen) {
|
||||
x = g_xScreen + g_wScreen - 1;
|
||||
bogus = true;
|
||||
}
|
||||
if (y < g_yScreen) {
|
||||
y = g_yScreen;
|
||||
bogus = true;
|
||||
}
|
||||
else if (y >= g_yScreen + g_hScreen) {
|
||||
y = g_yScreen + g_hScreen - 1;
|
||||
bogus = true;
|
||||
}
|
||||
|
||||
// check for mouse inside jump zone
|
||||
bool inside = false;
|
||||
if (!inside && (g_zoneSides & kLeftMask) != 0) {
|
||||
inside = (x < g_xScreen + g_zoneSize);
|
||||
}
|
||||
if (!inside && (g_zoneSides & kRightMask) != 0) {
|
||||
inside = (x >= g_xScreen + g_wScreen - g_zoneSize);
|
||||
}
|
||||
if (!inside && (g_zoneSides & kTopMask) != 0) {
|
||||
inside = (y < g_yScreen + g_zoneSize);
|
||||
}
|
||||
if (!inside && (g_zoneSides & kBottomMask) != 0) {
|
||||
inside = (y >= g_yScreen + g_hScreen - g_zoneSize);
|
||||
}
|
||||
|
||||
// relay the event
|
||||
PostThreadMessage(g_threadID, SYNERGY_MSG_MOUSE_MOVE, x, y);
|
||||
|
||||
// if inside and not bogus then eat the event
|
||||
return inside && !bogus;
|
||||
}
|
||||
}
|
||||
|
||||
// pass the event
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
static
|
||||
LRESULT CALLBACK
|
||||
mouseLLHook(int code, WPARAM wParam, LPARAM lParam)
|
||||
{
|
||||
if (code >= 0) {
|
||||
// decode the message
|
||||
MSLLHOOKSTRUCT* info = reinterpret_cast<MSLLHOOKSTRUCT*>(lParam);
|
||||
|
||||
bool const injected = info->flags & LLMHF_INJECTED;
|
||||
if (!g_isPrimary && injected) {
|
||||
return CallNextHookEx(g_mouseLL, code, wParam, lParam);
|
||||
}
|
||||
|
||||
SInt32 x = static_cast<SInt32>(info->pt.x);
|
||||
SInt32 y = static_cast<SInt32>(info->pt.y);
|
||||
SInt32 w = static_cast<SInt16>(HIWORD(info->mouseData));
|
||||
|
||||
// handle the message
|
||||
if (mouseHookHandler(wParam, x, y, w)) {
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
return CallNextHookEx(g_mouseLL, code, wParam, lParam);
|
||||
}
|
||||
|
||||
EHookResult
|
||||
MSWindowsHook::install()
|
||||
{
|
||||
assert(g_getMessage == NULL || g_screenSaver);
|
||||
|
||||
// must be initialized
|
||||
if (g_threadID == 0) {
|
||||
return kHOOK_FAILED;
|
||||
}
|
||||
|
||||
// discard old dead keys
|
||||
g_deadVirtKey = 0;
|
||||
g_deadLParam = 0;
|
||||
|
||||
// reset fake input flag
|
||||
g_fakeServerInput = false;
|
||||
|
||||
// install low-level hooks. we require that they both get installed.
|
||||
g_mouseLL = SetWindowsHookEx(WH_MOUSE_LL,
|
||||
&mouseLLHook,
|
||||
NULL,
|
||||
0);
|
||||
#if !NO_GRAB_KEYBOARD
|
||||
g_keyboardLL = SetWindowsHookEx(WH_KEYBOARD_LL,
|
||||
&keyboardLLHook,
|
||||
NULL,
|
||||
0);
|
||||
if (g_mouseLL == NULL || g_keyboardLL == NULL) {
|
||||
if (g_keyboardLL != NULL) {
|
||||
UnhookWindowsHookEx(g_keyboardLL);
|
||||
g_keyboardLL = NULL;
|
||||
}
|
||||
if (g_mouseLL != NULL) {
|
||||
UnhookWindowsHookEx(g_mouseLL);
|
||||
g_mouseLL = NULL;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
// check that we got all the hooks we wanted
|
||||
if ((g_mouseLL == NULL) ||
|
||||
#if !NO_GRAB_KEYBOARD
|
||||
(g_keyboardLL == NULL)
|
||||
#endif
|
||||
) {
|
||||
uninstall();
|
||||
return kHOOK_FAILED;
|
||||
}
|
||||
|
||||
if (g_keyboardLL != NULL || g_mouseLL != NULL) {
|
||||
g_hookThread = GetCurrentThreadId();
|
||||
return kHOOK_OKAY_LL;
|
||||
}
|
||||
|
||||
return kHOOK_OKAY;
|
||||
}
|
||||
|
||||
int
|
||||
MSWindowsHook::uninstall()
|
||||
{
|
||||
// discard old dead keys
|
||||
g_deadVirtKey = 0;
|
||||
g_deadLParam = 0;
|
||||
|
||||
// uninstall hooks
|
||||
if (g_keyboardLL != NULL) {
|
||||
UnhookWindowsHookEx(g_keyboardLL);
|
||||
g_keyboardLL = NULL;
|
||||
}
|
||||
if (g_mouseLL != NULL) {
|
||||
UnhookWindowsHookEx(g_mouseLL);
|
||||
g_mouseLL = NULL;
|
||||
}
|
||||
if (g_getMessage != NULL && !g_screenSaver) {
|
||||
UnhookWindowsHookEx(g_getMessage);
|
||||
g_getMessage = NULL;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static
|
||||
LRESULT CALLBACK
|
||||
getMessageHook(int code, WPARAM wParam, LPARAM lParam)
|
||||
{
|
||||
if (code >= 0) {
|
||||
if (g_screenSaver) {
|
||||
MSG* msg = reinterpret_cast<MSG*>(lParam);
|
||||
if (msg->message == WM_SYSCOMMAND &&
|
||||
msg->wParam == SC_SCREENSAVE) {
|
||||
// broadcast screen saver started message
|
||||
PostThreadMessage(g_threadID,
|
||||
SYNERGY_MSG_SCREEN_SAVER, TRUE, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return CallNextHookEx(g_getMessage, code, wParam, lParam);
|
||||
}
|
||||
|
||||
int
|
||||
MSWindowsHook::installScreenSaver()
|
||||
{
|
||||
// must be initialized
|
||||
if (g_threadID == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
// generate screen saver messages
|
||||
g_screenSaver = true;
|
||||
|
||||
// install hook unless it's already installed
|
||||
if (g_getMessage == NULL) {
|
||||
g_getMessage = SetWindowsHookEx(WH_GETMESSAGE,
|
||||
&getMessageHook,
|
||||
NULL,
|
||||
0);
|
||||
}
|
||||
|
||||
return (g_getMessage != NULL) ? 1 : 0;
|
||||
}
|
||||
|
||||
int
|
||||
MSWindowsHook::uninstallScreenSaver()
|
||||
{
|
||||
// uninstall hook unless the mouse wheel hook is installed
|
||||
if (g_getMessage != NULL) {
|
||||
UnhookWindowsHookEx(g_getMessage);
|
||||
g_getMessage = NULL;
|
||||
}
|
||||
|
||||
// screen saver hook is no longer installed
|
||||
g_screenSaver = false;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
|
|
@ -18,7 +18,7 @@
|
|||
|
||||
#pragma once
|
||||
|
||||
#include "synwinhk/synwinhk.h"
|
||||
#include "platform/synwinhk.h"
|
||||
|
||||
#define WIN32_LEAN_AND_MEAN
|
||||
#include <Windows.h>
|
||||
|
@ -30,19 +30,23 @@ public:
|
|||
MSWindowsHook();
|
||||
virtual ~MSWindowsHook();
|
||||
|
||||
void loadLibrary();
|
||||
HINSTANCE getInstance() const;
|
||||
int init(DWORD threadID);
|
||||
int cleanup();
|
||||
void setSides(UInt32 sides);
|
||||
void setZone(SInt32 x, SInt32 y, SInt32 w, SInt32 h, SInt32 jumpZoneSize);
|
||||
void setMode(EHookMode mode);
|
||||
void loadLibrary();
|
||||
|
||||
private:
|
||||
InitFunc m_initFunc;
|
||||
CleanupFunc m_cleanupFunc;
|
||||
SetSidesFunc m_setSidesFunc;
|
||||
SetZoneFunc m_setZoneFunc;
|
||||
SetModeFunc m_setModeFunc;
|
||||
HINSTANCE m_instance;
|
||||
int init(DWORD threadID);
|
||||
|
||||
int cleanup();
|
||||
|
||||
void setSides(UInt32 sides);
|
||||
|
||||
void setZone(SInt32 x, SInt32 y, SInt32 w, SInt32 h, SInt32 jumpZoneSize);
|
||||
|
||||
void setMode(EHookMode mode);
|
||||
|
||||
static EHookResult install();
|
||||
|
||||
static int uninstall();
|
||||
|
||||
static int installScreenSaver();
|
||||
|
||||
static int uninstallScreenSaver();
|
||||
};
|
||||
|
|
|
@ -139,7 +139,6 @@ MSWindowsScreen::MSWindowsScreen(
|
|||
m_desks = new MSWindowsDesks(
|
||||
m_isPrimary,
|
||||
m_noHooks,
|
||||
m_hook.getInstance(),
|
||||
m_screensaver,
|
||||
m_events,
|
||||
new TMethodJob<MSWindowsScreen>(
|
||||
|
|
|
@ -21,7 +21,7 @@
|
|||
#include "platform/MSWindowsHook.h"
|
||||
#include "synergy/PlatformScreen.h"
|
||||
#include "synergy/DragInformation.h"
|
||||
#include "synwinhk/synwinhk.h"
|
||||
#include "platform/synwinhk.h"
|
||||
#include "mt/CondVar.h"
|
||||
#include "mt/Mutex.h"
|
||||
#include "base/String.h"
|
||||
|
@ -174,6 +174,10 @@ private: // HACK
|
|||
// the message should not be dispatched.
|
||||
bool onPreDispatchPrimary(HWND, UINT, WPARAM, LPARAM);
|
||||
|
||||
// handle secondary message before it gets dispatched. returns true iff
|
||||
// the message should not be dispatched.
|
||||
bool onPreDispatchSecondary(HWND, UINT, WPARAM, LPARAM);
|
||||
|
||||
// handle message. returns true iff handled and optionally sets
|
||||
// \c *result (which defaults to 0).
|
||||
bool onEvent(HWND, UINT, WPARAM, LPARAM, LRESULT* result);
|
||||
|
|
|
@ -67,25 +67,4 @@ enum EHookMode {
|
|||
kHOOK_RELAY_EVENTS
|
||||
};
|
||||
|
||||
typedef int (*InitFunc)(DWORD targetQueueThreadID);
|
||||
typedef int (*CleanupFunc)(void);
|
||||
typedef EHookResult (*InstallFunc)(void);
|
||||
typedef int (*UninstallFunc)(void);
|
||||
typedef int (*InstallScreenSaverFunc)(void);
|
||||
typedef int (*UninstallScreenSaverFunc)(void);
|
||||
typedef void (*SetSidesFunc)(UInt32);
|
||||
typedef void (*SetZoneFunc)(SInt32, SInt32, SInt32, SInt32, SInt32);
|
||||
typedef void (*SetModeFunc)(int);
|
||||
|
||||
CSYNERGYHOOK_API int init(DWORD);
|
||||
CSYNERGYHOOK_API int cleanup(void);
|
||||
CSYNERGYHOOK_API EHookResult install(void);
|
||||
CSYNERGYHOOK_API int uninstall(void);
|
||||
CSYNERGYHOOK_API int installScreenSaver(void);
|
||||
CSYNERGYHOOK_API int uninstallScreenSaver(void);
|
||||
CSYNERGYHOOK_API void setSides(UInt32 sides);
|
||||
CSYNERGYHOOK_API void setZone(SInt32 x, SInt32 y, SInt32 w, SInt32 h,
|
||||
SInt32 jumpZoneSize);
|
||||
CSYNERGYHOOK_API void setMode(EHookMode mode);
|
||||
|
||||
}
|
|
@ -1,27 +0,0 @@
|
|||
# synergy -- mouse and keyboard sharing utility
|
||||
# Copyright (C) 2013-2016 Symless Ltd.
|
||||
#
|
||||
# This package is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License
|
||||
# found in the file LICENSE that should have accompanied this file.
|
||||
#
|
||||
# This package is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
file(GLOB headers "*.h")
|
||||
file(GLOB sources "*.cpp")
|
||||
|
||||
if (SYNERGY_ADD_HEADERS)
|
||||
list(APPEND sources ${headers})
|
||||
endif()
|
||||
|
||||
add_library(synwinhk SHARED ${sources})
|
||||
|
||||
if (NOT MSVC_VERSION VERSION_LESS 1900)
|
||||
target_link_libraries(synwinhk libucrt)
|
||||
endif()
|
File diff suppressed because it is too large
Load Diff
|
@ -52,7 +52,7 @@ protected:
|
|||
MSWindowsDesks* newDesks(IEventQueue* eventQueue)
|
||||
{
|
||||
return new MSWindowsDesks(
|
||||
true, false, m_hook.getInstance(), m_screensaver, eventQueue,
|
||||
true, false, m_screensaver, eventQueue,
|
||||
new TMethodJob<MSWindowsKeyStateTests>(
|
||||
this, &MSWindowsKeyStateTests::updateKeysCB), false);
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue