goldendict-ng/mouseover_win32/TextOutSpy.c

351 lines
9.9 KiB
C

#include <tchar.h>
#include <windowsx.h>
#include "TextOutSpy.h"
#include "ThTypes.h"
#include "GDDataTranfer.h"
#include "GetWordByIAccEx.h"
const int MOUSEOVER_INTERVAL = 300;
const int REQUEST_MESSAGE_INTERVAL = 500;
const int WM_MY_SHOW_TRANSLATION = WM_USER + 301;
HINSTANCE g_hInstance = NULL;
HANDLE hSynhroMutex = 0;
HINSTANCE hGetWordLib = 0;
UINT_PTR TimerID = 0;
typedef void (*GetWordProc_t)(TCurrentMode *);
GetWordProc_t GetWordProc = NULL;
GDDataStruct gds;
UINT uGdAskMessage;
WCHAR Buffer[256];
DWORD ourProcessID;
static HWND GetWindowFromPoint(POINT pt)
{
HWND WndParent,WndChild;
WndParent = WindowFromPoint(pt);
if(WndParent == NULL) return WndParent;
ScreenToClient(WndParent, &pt);
WndChild = RealChildWindowFromPoint(WndParent, pt);
if(WndChild == NULL) return WndParent;
return WndChild;
};
static void SendWordToServer()
{
DWORD_PTR SendMsgAnswer;
DWORD flags;
LRESULT lr;
if( !IsWindow( GlobalData->ServerWND ) )
return;
// Ask for needing to retrieve word - WPARAM = 1
lr = SendMessageTimeout(GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 1, 0, SMTO_ABORTIFHUNG, MOUSEOVER_INTERVAL, &SendMsgAnswer);
if( lr == 0 || SendMsgAnswer == 0) //No answer or no needing
return;
flags = SendMsgAnswer;
if (hGetWordLib == 0 && ( flags & GD_FLAG_METHOD_STANDARD ) ) {
hGetWordLib = LoadLibraryW(GlobalData->LibName);
if (hGetWordLib) {
GetWordProc = (GetWordProc_t)GetProcAddress(hGetWordLib, "__gdGetWord");
}
else {
hGetWordLib = INVALID_HANDLE_VALUE;
}
}
GlobalData->CurMod.MatchedWord[0] = 0;
GlobalData->CurMod.WordLen = 0;
GlobalData->CurMod.BeginPos = 0;
if( ( flags & GD_FLAG_METHOD_GD_MESSAGE ) != 0 && uGdAskMessage != 0 ) {
int n;
gds.dwSize = sizeof(gds);
gds.cwData = Buffer;
gds.dwMaxLength = sizeof(Buffer) / sizeof(Buffer[0]);
Buffer[0] = 0;
gds.hWnd = GlobalData->LastWND;
gds.Pt = GlobalData->LastPt;
lr = SendMessageTimeout(gds.hWnd, uGdAskMessage, 0, (LPARAM)&gds, SMTO_ABORTIFHUNG, REQUEST_MESSAGE_INTERVAL, &SendMsgAnswer);
if(lr != 0 && SendMsgAnswer != 0) {
n = WideCharToMultiByte(CP_UTF8, 0, gds.cwData, lstrlenW(gds.cwData), GlobalData->CurMod.MatchedWord, sizeof(GlobalData->CurMod.MatchedWord) - 1, 0, 0);
GlobalData->CurMod.MatchedWord[n] = 0;
GlobalData->CurMod.WordLen = n;
GlobalData->CurMod.BeginPos = 0;
if(n > 0) {
if( IsWindow( GlobalData->ServerWND ) ) {
#ifdef __WIN64
GlobalData32->CurMod.WordLen = n;
GlobalData32->CurMod.BeginPos = 0;
lstrcpyn( GlobalData32->CurMod.MatchedWord, GlobalData->CurMod.MatchedWord, sizeof( GlobalData32->CurMod.MatchedWord ) );
#endif
SendMessageTimeout(GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 0, 0, SMTO_ABORTIFHUNG, MOUSEOVER_INTERVAL, &SendMsgAnswer);
}
}
return;
}
}
if( ( flags & GD_FLAG_METHOD_STANDARD ) != 0 && GetWordProc != 0 ) {
GlobalData->CurMod.WND = GlobalData->LastWND;
GlobalData->CurMod.Pt = GlobalData->LastPt;
GetWordProc(&(GlobalData->CurMod));
if (GlobalData->CurMod.WordLen > 0) {
if( IsWindow( GlobalData->ServerWND ) ) {
#ifdef __WIN64
GlobalData32->CurMod.WordLen = GlobalData->CurMod.WordLen;
GlobalData32->CurMod.BeginPos = GlobalData->CurMod.BeginPos;
lstrcpyn( GlobalData32->CurMod.MatchedWord, GlobalData->CurMod.MatchedWord, sizeof( GlobalData32->CurMod.MatchedWord ) );
#endif
SendMessageTimeout(GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 0, 0, SMTO_ABORTIFHUNG, MOUSEOVER_INTERVAL, &SendMsgAnswer);
}
return;
}
}
if( ( flags & GD_FLAG_METHOD_IACCESSIBLEEX ) != 0 ) {
getWordByAccEx( GlobalData->LastPt );
if (GlobalData->CurMod.WordLen > 0 ) {
if( IsWindow( GlobalData->ServerWND ) ) {
#ifdef __WIN64
GlobalData32->CurMod.WordLen = GlobalData->CurMod.WordLen;
GlobalData32->CurMod.BeginPos = GlobalData->CurMod.BeginPos;
lstrcpyn( GlobalData32->CurMod.MatchedWord, GlobalData->CurMod.MatchedWord, sizeof( GlobalData32->CurMod.MatchedWord ) );
#endif
SendMessageTimeout(GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 0, 0, SMTO_ABORTIFHUNG, MOUSEOVER_INTERVAL, &SendMsgAnswer);
}
return;
}
}
if( ( flags & GD_FLAG_METHOD_UI_AUTOMATION ) != 0 && IsWindow( GlobalData->ServerWND ) ) {
PostMessage( GlobalData->ServerWND, WM_MY_SHOW_TRANSLATION, 0, 0 );
}
}
void CALLBACK TimerFunc(HWND hWnd,UINT nMsg,UINT_PTR nTimerid,DWORD dwTime)
{
(void) hWnd;
(void) nMsg;
(void) dwTime;
DWORD wso;
wso = WaitForSingleObject(hSynhroMutex, 0);
if (wso == WAIT_OBJECT_0 || wso == WAIT_ABANDONED) {
KillTimer(0, nTimerid);
TimerID = 0;
while( 1 ) {
POINT curPt;
HWND targetWnd;
DWORD winProcessID = 0;
if( !GetCursorPos( &curPt ) )
break;
if( GlobalData == NULL || GlobalData->LastPt.x != curPt.x || GlobalData->LastPt.y != curPt.y)
break;
if( ( targetWnd = GetWindowFromPoint( curPt ) ) == NULL )
break;
if( GlobalData->LastWND != targetWnd )
break;
GetWindowThreadProcessId( targetWnd, &winProcessID );
if( winProcessID != ourProcessID ) {
char className[64];
if( !GetClassName( targetWnd, className, sizeof(className) ) )
break;
if( lstrcmpi( className, "ConsoleWindowClass" ) != 0 )
break;
}
SendWordToServer();
break;
}
ReleaseMutex(hSynhroMutex);
}
}
void HookProc( POINT *ppt )
{
HWND WND;
TCHAR wClassName[64];
DWORD winProcessID;
WND = GetWindowFromPoint( *ppt );
if(WND == NULL) return;
if ( !GetClassName(WND, wClassName, sizeof(wClassName) / sizeof(TCHAR)) )
return;
GetWindowThreadProcessId( WND, &winProcessID );
if( winProcessID != ourProcessID && lstrcmpi( wClassName, _T("ConsoleWindowClass") ) != 0 )
return;
if(TimerID && ( GlobalData->LastPt.x != ppt->x || GlobalData->LastPt.y != ppt->y ) )
{
KillTimer(0, TimerID);
TimerID = 0;
}
const char* DisableClasses[] = {
"gdkWindowChild",
"gdkWindowTemp",
"Progman",
"WorkerW",
};
int i;
for (i=0; i<4; i++) {
if (lstrcmp(wClassName, DisableClasses[i])==0)
break;
}
if (i<4) return;
if(GlobalData->LastPt.x != ppt->x || GlobalData->LastPt.y != ppt->y || GlobalData->LastWND != WND )
{
GlobalData->LastWND = WND;
GlobalData->LastPt = *ppt;
TimerID = SetTimer(0, TimerID, MOUSEOVER_INTERVAL, TimerFunc);
}
}
#ifdef __WIN64
LRESULT CALLBACK GetMessageHookProc(int nCode, WPARAM wParam, LPARAM lParam)
{
PMSG pMsg;
DWORD wso;
if( nCode == HC_ACTION && wParam == PM_REMOVE )
{
pMsg = (PMSG)lParam;
if( pMsg && ( pMsg->message == WM_MOUSEMOVE || pMsg->message == WM_NCMOUSEMOVE ) )
{
wso = WaitForSingleObject(hSynhroMutex, 0);
if (wso == WAIT_OBJECT_0 || wso == WAIT_ABANDONED)
{
POINT pt;
pt.x = GET_X_LPARAM( pMsg->lParam );
pt.y = GET_Y_LPARAM( pMsg->lParam );
if( pMsg->message == WM_MOUSEMOVE && pMsg->hwnd != NULL )
ClientToScreen( pMsg->hwnd, &pt );
HookProc( &pt );
ReleaseMutex(hSynhroMutex);
}
}
}
return CallNextHookEx(GlobalData->g_hHook, nCode, wParam, lParam);
}
#else
LRESULT CALLBACK MouseHookProc(int nCode, WPARAM wParam, LPARAM lParam)
{
DWORD wso;
if ( (nCode == HC_ACTION) && ((wParam == WM_MOUSEMOVE) || (wParam == WM_NCMOUSEMOVE)) ) {
wso = WaitForSingleObject(hSynhroMutex, 0);
if (wso == WAIT_OBJECT_0 || wso == WAIT_ABANDONED) {
HookProc( &(((PMOUSEHOOKSTRUCT)lParam)->pt) );
ReleaseMutex(hSynhroMutex);
}
}
return CallNextHookEx(GlobalData->g_hHook, nCode, wParam, lParam);
}
#endif
DLLIMPORT void ActivateTextOutSpying (int Activate)
{
// After call SetWindowsHookEx(), when you move mouse to a application's window,
// this dll will load into this application automatically. And it is unloaded
// after call UnhookWindowsHookEx().
if(GlobalData == NULL) return;
if (Activate) {
if (GlobalData->g_hHook != NULL) return;
#ifdef __WIN64
GlobalData->g_hHook = SetWindowsHookEx(WH_GETMESSAGE, GetMessageHookProc, g_hInstance, 0);
#else
GlobalData->g_hHook = SetWindowsHookEx(WH_MOUSE, MouseHookProc, g_hInstance, 0);
#endif
}
else {
if (GlobalData->g_hHook == NULL) return;
WaitForSingleObject(hSynhroMutex, 2000);
UnhookWindowsHookEx(GlobalData->g_hHook);
if (TimerID) {
KillTimer(0, TimerID);
TimerID=0;
}
ReleaseMutex(hSynhroMutex);
GlobalData->g_hHook = NULL;
}
}
BOOL APIENTRY DllMain (HINSTANCE hInst /* Library instance handle. */ ,
DWORD reason /* Reason this function is being called. */ ,
LPVOID reserved /* Not used. */ )
{
(void) reserved;
switch (reason)
{
case DLL_PROCESS_ATTACH:
g_hInstance = hInst;
ThTypes_Init();
#ifdef __WIN64
if( GlobalData == NULL || GlobalData32 == NULL ) {
#else
if( GlobalData == NULL ) {
#endif
ThTypes_End();
return FALSE;
}
ourProcessID = GetCurrentProcessId();
if(hSynhroMutex==0) {
hSynhroMutex = CreateMutex(NULL, FALSE, "GoldenDictTextOutSpyMutex");
if(hSynhroMutex==0) {
return(FALSE);
}
}
uGdAskMessage = RegisterWindowMessage(GD_MESSAGE_NAME);
FindGetPhysicalCursorPos();
break;
case DLL_PROCESS_DETACH:
// if(hSynhroMutex) WaitForSingleObject(hSynhroMutex, INFINITE);
if(hSynhroMutex) WaitForSingleObject(hSynhroMutex, 2000);
if (TimerID) {
KillTimer(0, TimerID);
TimerID=0;
}
if(hSynhroMutex) {
ReleaseMutex(hSynhroMutex);
CloseHandle(hSynhroMutex);
hSynhroMutex=0;
}
{
MSG msg ;
while (PeekMessage (&msg, 0, WM_TIMER, WM_TIMER, PM_REMOVE));
}
if ( (hGetWordLib != 0) && (hGetWordLib != INVALID_HANDLE_VALUE) ) {
FreeLibrary(hGetWordLib);
}
ThTypes_End();
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
}
/* Returns TRUE on success, FALSE on failure */
return TRUE;
}