mirror of
https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-12-18 07:24:07 +00:00
388 lines
11 KiB
C++
388 lines
11 KiB
C++
#include "mouseover.hh"
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#include "utf8.hh"
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#include <QCoreApplication>
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#include <QDir>
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#include <algorithm>
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#ifdef Q_OS_WIN32
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#undef WINVER
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#define WINVER 0x0500
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#include <sddl.h>
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#include <accctrl.h>
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#include <aclapi.h>
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#include "mouseover_win32/ThTypes.h"
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#include "wordbyauto.hh"
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#include "x64.hh"
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#endif
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MouseOver & MouseOver::instance()
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{
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static MouseOver m;
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return m;
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}
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#ifdef Q_OS_WIN32
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const UINT WM_MY_SHOW_TRANSLATION = WM_USER + 301;
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static wchar_t className[] = L"GoldenDictMouseover";
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typedef BOOL ( WINAPI *ChangeWindowMessageFilterFunc )( UINT, DWORD );
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#ifndef _MSC_VER
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typedef struct tagCHANGEFILTERSTRUCT {
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DWORD cbSize;
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DWORD ExtStatus;
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} CHANGEFILTERSTRUCT, *PCHANGEFILTERSTRUCT;
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#endif
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typedef BOOL ( WINAPI *ChangeWindowMessageFilterExFunc )( HWND, UINT, DWORD, PCHANGEFILTERSTRUCT );
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#endif // Q_OS_WIN32
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#ifdef Q_OS_WIN32
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#ifndef ConvertStringSecurityDescriptorToSecurityDescriptor
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extern "C" BOOL WINAPI ConvertStringSecurityDescriptorToSecurityDescriptorW(
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LPCWSTR StringSecurityDescriptor,
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DWORD StringSDRevision,
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PSECURITY_DESCRIPTOR *SecurityDescriptor,
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PULONG SecurityDescriptorSize );
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#endif
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static void SetLowLabelToGDSynchroObjects()
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{
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// The LABEL_SECURITY_INFORMATION SDDL SACL to be set for low integrity
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#define LOW_INTEGRITY_SDDL_SACL_W L"S:(ML;;NW;;;LW)"
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// DWORD dwErr = ERROR_SUCCESS;
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PSECURITY_DESCRIPTOR pSD = NULL;
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PACL pSacl = NULL; // not allocated
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BOOL fSaclPresent = FALSE;
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BOOL fSaclDefaulted = FALSE;
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#ifdef Q_OS_WIN64
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LPCWSTR pwszMapFileName64 = L"GoldenDictTextOutHookSharedMem64";
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#endif
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LPCWSTR pwszMapFileName = L"GoldenDictTextOutHookSharedMem";
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LPCWSTR pwszSpyMutexName = L"GoldenDictTextOutSpyMutex";
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if( ConvertStringSecurityDescriptorToSecurityDescriptorW( LOW_INTEGRITY_SDDL_SACL_W, 1 /* SDDL_REVISION_1 */, &pSD, NULL ) )
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{
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if( GetSecurityDescriptorSacl(pSD, &fSaclPresent, &pSacl, &fSaclDefaulted))
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{
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// Note that psidOwner, psidGroup, and pDacl are
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// all NULL and set the new LABEL_SECURITY_INFORMATION
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#ifdef Q_OS_WIN64
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/* dwErr = */ SetNamedSecurityInfoW( (LPWSTR)pwszMapFileName64,
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SE_KERNEL_OBJECT, LABEL_SECURITY_INFORMATION, NULL, NULL, NULL, pSacl);
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#endif
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/* dwErr = */ SetNamedSecurityInfoW( (LPWSTR)pwszMapFileName,
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SE_KERNEL_OBJECT, LABEL_SECURITY_INFORMATION, NULL, NULL, NULL, pSacl);
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/* dwErr = */ SetNamedSecurityInfoW( (LPWSTR)pwszSpyMutexName,
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SE_KERNEL_OBJECT, LABEL_SECURITY_INFORMATION, NULL, NULL, NULL, pSacl);
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}
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LocalFree(pSD);
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}
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}
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#endif // Q_OS_WIN32
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MouseOver::MouseOver() :
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pPref(NULL)
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{
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#ifdef Q_OS_WIN32
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HMODULE hm;
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ChangeWindowMessageFilterFunc changeWindowMessageFilterFunc = NULL;
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ChangeWindowMessageFilterExFunc changeWindowMessageFilterExFunc = NULL;
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mouseOverEnabled = false;
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ThTypes_Init();
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memset( GlobalData, 0, sizeof( TGlobalDLLData ) );
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#ifdef Q_OS_WIN64
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memset( GlobalData32, 0, sizeof( TGlobalDLLData32 ) );
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#endif
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// strcpy( GlobalData->LibName,
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// QDir::toNativeSeparators( QDir( QCoreApplication::applicationDirPath() ).filePath( "GdTextOutHook.dll" ) ).toLocal8Bit().data() );
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#ifdef Q_OS_WIN64
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QDir::toNativeSeparators( QDir( QCoreApplication::applicationDirPath() ).filePath( "GdTextOutHook64.dll" ) ).toWCharArray( GlobalData->LibName );
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QDir::toNativeSeparators( QDir( QCoreApplication::applicationDirPath() + "/x86" ).filePath( "GdTextOutHook.dll" ) ).toWCharArray( GlobalData32->LibName );
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#else
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QDir::toNativeSeparators( QDir( QCoreApplication::applicationDirPath() ).filePath( "GdTextOutHook.dll" ) ).toWCharArray( GlobalData->LibName );
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#endif
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// Create the window to recive spying results to
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WNDCLASSEX wcex;
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wcex.cbSize = sizeof( WNDCLASSEX );
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wcex.style = 0;
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wcex.lpfnWndProc = ( WNDPROC ) eventHandler;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = 0;
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wcex.hInstance = GetModuleHandle( 0 );
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wcex.hIcon = NULL;
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wcex.hCursor = NULL,
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wcex.hbrBackground = NULL;
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wcex.lpszMenuName = NULL;
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wcex.lpszClassName = className;
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wcex.hIconSm = NULL;
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RegisterClassEx( &wcex );
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GlobalData->ServerWND = CreateWindow( className, L"", 0, 0, 0, 0, 0, GetDesktopWindow(), NULL, GetModuleHandle( 0 ), 0 );
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#ifdef Q_OS_WIN64
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GlobalData32->ServerWND = HandleToLong( GlobalData->ServerWND );
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#endif
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#ifdef Q_OS_WIN64
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spyDll = LoadLibrary( QDir::toNativeSeparators( QDir( QCoreApplication::applicationDirPath() ).filePath( "GdTextOutSpy64.dll" ) ).toStdWString().c_str() );
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#else
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spyDll = LoadLibrary( QDir::toNativeSeparators( QDir( QCoreApplication::applicationDirPath() ).filePath( "GdTextOutSpy.dll" ) ).toStdWString().c_str() );
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#endif
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if ( spyDll )
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activateSpyFn = ( ActivateSpyFn ) GetProcAddress( spyDll, "ActivateTextOutSpying" );
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// Allow messages from low intehrity process - for Vista and Win7
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hm = GetModuleHandle( __TEXT("user32.dll"));
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if ( hm != NULL ) {
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changeWindowMessageFilterExFunc = (ChangeWindowMessageFilterExFunc)GetProcAddress( hm, "ChangeWindowMessageFilterEx" );
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if( changeWindowMessageFilterExFunc ) {
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CHANGEFILTERSTRUCT cfs = { sizeof( CHANGEFILTERSTRUCT ), 0 };
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changeWindowMessageFilterExFunc( GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 1 /* MSGFLT_ALLOW */, &cfs );
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} else {
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changeWindowMessageFilterFunc = (ChangeWindowMessageFilterFunc)GetProcAddress( hm, "ChangeWindowMessageFilter" );
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if( changeWindowMessageFilterFunc )
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changeWindowMessageFilterFunc( WM_MY_SHOW_TRANSLATION, 1 /* MSGFLT_ADD */ );
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}
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}
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//Allow object access from low intehrity process - for Vista and Win7
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SetLowLabelToGDSynchroObjects();
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#endif
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}
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void MouseOver::enableMouseOver()
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{
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#ifdef Q_OS_WIN32
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if ( !mouseOverEnabled && activateSpyFn )
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{
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activateSpyFn( true );
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installx64Hooks();
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mouseOverEnabled = true;
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}
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#endif
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}
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void MouseOver::disableMouseOver()
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{
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#ifdef Q_OS_WIN32
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if ( mouseOverEnabled && activateSpyFn )
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{
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activateSpyFn( false );
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removex64Hooks();
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mouseOverEnabled = false;
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}
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#endif
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}
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#ifdef Q_OS_WIN32
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LRESULT MouseOver::makeScanBitMask()
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{
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LRESULT res = 0;
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if( pPref == NULL )
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return 0;
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if( !pPref->enableScanPopupModifiers || checkModifiersPressed( pPref->scanPopupModifiers ) ) {
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res = GD_FLAG_METHOD_STANDARD;
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if( pPref->scanPopupUseUIAutomation !=0 )
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res |= GD_FLAG_METHOD_UI_AUTOMATION;
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if( pPref->scanPopupUseIAccessibleEx !=0 )
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res |= GD_FLAG_METHOD_IACCESSIBLEEX;
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if( pPref->scanPopupUseGDMessage !=0 )
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res |= GD_FLAG_METHOD_GD_MESSAGE;
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}
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return res;
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}
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#ifdef Q_OS_WIN64
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#define Global_Data GlobalData32
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#else
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#define Global_Data GlobalData
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#endif
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LRESULT CALLBACK MouseOver::eventHandler( HWND hwnd_, UINT msg,
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WPARAM wparam, LPARAM lparam )
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{
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if ( msg == WM_MY_SHOW_TRANSLATION )
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{
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LRESULT res = instance().makeScanBitMask();
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if( res == 0 )
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return 0; // Don't handle word without necessity
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if( wparam != 0) //Ask for methods of word retrieving
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return res;
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int wordSeqPos = 0;
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QString wordSeq;
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#ifdef Q_OS_WIN64
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HWND hwnd = ( HWND )LongToHandle( Global_Data->LastWND );
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#else
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HWND hwnd = Global_Data->LastWND;
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#endif
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if( Global_Data->CurMod.WordLen == 0)
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{
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if( ( res & GD_FLAG_METHOD_UI_AUTOMATION ) == 0 )
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return 0;
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POINT pt = Global_Data->LastPt;
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WCHAR *pwstr = gdGetWordAtPointByAutomation( pt );
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if( pwstr == NULL ) return 0;
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wordSeq = QString::fromWCharArray( pwstr );
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}
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else
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{
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// Is the string in utf8 or in locale encoding?
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gd::wchar testBuf[ 256 ];
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long result = Utf8::decode( Global_Data->CurMod.MatchedWord,
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strlen( Global_Data->CurMod.MatchedWord ),
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testBuf );
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if ( result >= 0 )
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{
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// It seems to be
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QString begin = QString::fromUtf8( Global_Data->CurMod.MatchedWord,
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Global_Data->CurMod.BeginPos ).normalized( QString::NormalizationForm_C );
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QString end = QString::fromUtf8( Global_Data->CurMod.MatchedWord +
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Global_Data->CurMod.BeginPos ).normalized( QString::NormalizationForm_C );
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wordSeq = begin + end;
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wordSeqPos = begin.size();
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}
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else
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{
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// It's not, so interpret it as in local encoding
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QString begin = QString::fromLocal8Bit( Global_Data->CurMod.MatchedWord,
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Global_Data->CurMod.BeginPos ).normalized( QString::NormalizationForm_C );
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QString end = QString::fromLocal8Bit( Global_Data->CurMod.MatchedWord +
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Global_Data->CurMod.BeginPos ).normalized( QString::NormalizationForm_C );
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wordSeq = begin + end;
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wordSeqPos = begin.size();
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}
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}
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// Now locate the word inside the sequence
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QString word;
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if ( wordSeq[ wordSeqPos ].isSpace() )
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{
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// Currently we ignore such cases
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return 0;
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}
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else
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if ( !wordSeq[ wordSeqPos ].isLetterOrNumber() )
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{
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// Special case: the cursor points to something which doesn't look like a
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// middle of the word -- assume that it's something that joins two words
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// together.
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int begin = wordSeqPos;
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for( ; begin; --begin )
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if ( !wordSeq[ begin - 1 ].isLetterOrNumber() )
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break;
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int end = wordSeqPos;
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while( ++end < wordSeq.size() )
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if ( !wordSeq[ end ].isLetterOrNumber() )
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break;
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if ( end - begin == 1 )
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{
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// Well, turns out it was just a single non-letter char, discard it
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return 0;
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}
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word = wordSeq.mid( begin, end - begin );
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}
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else
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{
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// Cursor points to a letter -- cut the word it points to
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int begin = wordSeqPos;
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for( ; begin; --begin )
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if ( !wordSeq[ begin - 1 ].isLetterOrNumber() )
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break;
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int end = wordSeqPos;
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while( ++end < wordSeq.size() )
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{
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if ( !wordSeq[ end ].isLetterOrNumber() )
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break;
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}
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word = wordSeq.mid( begin, end - begin );
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}
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// See if we have an RTL char. Reverse the whole string if we do.
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if( lparam == 0 )
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{
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for( int x = 0; x < word.size(); ++x )
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{
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QChar::Direction d = word[ x ].direction();
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if ( d == QChar::DirR || d == QChar::DirAL ||
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d == QChar::DirRLE || d == QChar::DirRLO )
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{
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std::reverse( word.begin(), word.end() );
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break;
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}
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}
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}
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bool forcePopup = false;
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forcePopup = emit instance().isGoldenDictWindow( hwnd );
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emit instance().hovered( word, forcePopup );
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return 0;
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}
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return DefWindowProc( hwnd_, msg, wparam, lparam );
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}
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#endif
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MouseOver::~MouseOver()
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{
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#ifdef Q_OS_WIN32
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disableMouseOver();
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FreeLibrary( spyDll );
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DestroyWindow( GlobalData->ServerWND );
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UnregisterClass( className, GetModuleHandle( 0 ) );
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ThTypes_End();
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#endif
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}
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