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notepad-plus-plus/PowerEditor/src/winmain.cpp

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// This file is part of Notepad++ project
// Copyright (C)2003 Don HO <don.h@free.fr>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// Note that the GPL places important restrictions on "derived works", yet
// it does not provide a detailed definition of that term. To avoid
// misunderstandings, we consider an application to constitute a
// "derivative work" for the purpose of this license if it does any of the
// following:
// 1. Integrates source code from Notepad++.
// 2. Integrates/includes/aggregates Notepad++ into a proprietary executable
// installer, such as those produced by InstallShield.
// 3. Links to a library or executes a program that does any of the above.
//
// This program 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, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "precompiledHeaders.h"
#include "Notepad_plus_Window.h"
#include "Process.h"
#include "Win32Exception.h" //Win32 exception
#include "MiniDumper.h" //Write dump files
typedef std::vector<const TCHAR*> ParamVector;
char getDriveLetter(){
char drive = '\0';
TCHAR current[MAX_PATH];
::GetCurrentDirectory(MAX_PATH, current);
int driveNbr = ::PathGetDriveNumber(current);
if (driveNbr != -1)
drive = 'A' + char(driveNbr);
return drive;
}
bool checkSingleFile(const TCHAR * commandLine) {
TCHAR fullpath[MAX_PATH];
::GetFullPathName(commandLine, MAX_PATH, fullpath, NULL);
if (::PathFileExists(fullpath)) {
return true;
}
return false;
}
//commandLine should contain path to n++ executable running
void parseCommandLine(TCHAR * commandLine, ParamVector & paramVector) {
//params.erase(params.begin());
//remove the first element, since thats the path the the executable (GetCommandLine does that)
TCHAR stopChar = TEXT(' ');
if (commandLine[0] == TEXT('\"')) {
stopChar = TEXT('\"');
++commandLine;
}
//while this is not really DBCS compliant, space and quote are in the lower 127 ASCII range
while(commandLine[0] && commandLine[0] != stopChar)
{
++commandLine;
}
// For unknown reason, the following command :
// c:\NppDir>notepad++
// (without quote) will give string "notepad++\0notepad++\0"
// To avoid the unexpected behaviour we check the end of string before increasing the pointer
if (commandLine[0] != '\0')
++commandLine; //advance past stopChar
//kill remaining spaces
while(commandLine[0] == TEXT(' '))
++commandLine;
bool isFile = checkSingleFile(commandLine); //if the commandline specifies only a file, open it as such
if (isFile) {
paramVector.push_back(commandLine);
return;
}
bool isInFile = false;
bool isInWhiteSpace = true;
paramVector.clear();
size_t commandLength = lstrlen(commandLine);
for (size_t i = 0; i < commandLength; ++i)
{
switch(commandLine[i]) {
case '\"': { //quoted filename, ignore any following whitespace
if (!isInFile) { //" will always be treated as start or end of param, in case the user forgot to add an space
paramVector.push_back(commandLine+i+1); //add next param(since zero terminated generic_string original, no overflow of +1)
}
isInFile = !isInFile;
isInWhiteSpace = false;
//because we dont want to leave in any quotes in the filename, remove them now (with zero terminator)
commandLine[i] = 0;
break; }
case '\t': //also treat tab as whitespace
case ' ': {
isInWhiteSpace = true;
if (!isInFile)
commandLine[i] = 0; //zap spaces into zero terminators, unless its part of a filename
break; }
default: { //default TCHAR, if beginning of word, add it
if (!isInFile && isInWhiteSpace) {
paramVector.push_back(commandLine+i); //add next param
isInWhiteSpace = false;
}
break; }
}
}
//the commandline generic_string is now a list of zero terminated strings concatenated, and the vector contains all the substrings
}
bool isInList(const TCHAR *token2Find, ParamVector & params) {
int nrItems = params.size();
for (int i = 0; i < nrItems; ++i)
{
if (!lstrcmp(token2Find, params.at(i))) {
params.erase(params.begin() + i);
return true;
}
}
return false;
};
bool getParamVal(TCHAR c, ParamVector & params, generic_string & value) {
value = TEXT("");
int nrItems = params.size();
for (int i = 0; i < nrItems; ++i)
{
const TCHAR * token = params.at(i);
if (token[0] == '-' && lstrlen(token) >= 2 && token[1] == c) { //dash, and enough chars
value = (token+2);
params.erase(params.begin() + i);
return true;
}
}
return false;
}
LangType getLangTypeFromParam(ParamVector & params)
{
generic_string langStr;
if (!getParamVal('l', params, langStr))
return L_EXTERNAL;
return NppParameters::getLangIDFromStr(langStr.c_str());
}
generic_string getLocalizationPathFromParam(ParamVector & params)
{
generic_string locStr;
if (!getParamVal('L', params, locStr))
return TEXT("");
return NppParameters::getLocPathFromStr(locStr.c_str());
}
int getNumberFromParam(char paramName, ParamVector & params, bool & isParamePresent) {
generic_string numStr;
if (!getParamVal(paramName, params, numStr))
{
isParamePresent = false;
return -1;
}
isParamePresent = true;
return generic_atoi(numStr.c_str());
};
const TCHAR FLAG_MULTI_INSTANCE[] = TEXT("-multiInst");
const TCHAR FLAG_NO_PLUGIN[] = TEXT("-noPlugin");
const TCHAR FLAG_READONLY[] = TEXT("-ro");
const TCHAR FLAG_NOSESSION[] = TEXT("-nosession");
const TCHAR FLAG_NOTABBAR[] = TEXT("-notabbar");
const TCHAR FLAG_SYSTRAY[] = TEXT("-systemtray");
const TCHAR FLAG_LOADINGTIME[] = TEXT("-loadingTime");
const TCHAR FLAG_HELP[] = TEXT("--help");
const TCHAR FLAG_ALWAYS_ON_TOP[] = TEXT("-alwaysOnTop");
const TCHAR FLAG_OPENSESSIONFILE[] = TEXT("-openSession");
const TCHAR FLAG_RECURSIVE[] = TEXT("-r");
const TCHAR COMMAND_ARG_HELP[] = TEXT("Usage :\r\
\r\
notepad++ [--help] [-multiInst] [-noPlugin] [-lLanguage] [-LlangCode] [-nLineNumber] [-cColumnNumber] [-xPos] [-yPos] [-nosession] [-notabbar] [-ro] [-systemtray] [-loadingTime] [-alwaysOnTop] [-openSession] [-r] [fullFilePathName]\r\
\r\
--help : This help message\r\
-multiInst : Launch another Notepad++ instance\r\
-noPlugin : Launch Notepad++ without loading any plugin\r\
-l : Launch Notepad++ by applying indicated programming language\r\
to the file to open\r\
-L : Launch Notepad++ by applying indicated localization\r\
langCode is browser language code\r\
-n : Launch Notepad++ by scrolling indicated line on the file to open\r\
-c : Launch Notepad++ on scrolling indicated column on the file to open\r\
-x : Launch Notepad++ by indicating its left side position on the screen\r\
-y : Launch Notepad++ by indicating its top position on the screen\r\
-nosession : Launch Notepad++ without any session\r\
-notabbar : Launch Notepad++ without tabbar\r\
-ro : Launch Notepad++ and make the file to open read only\r\
-systemtray : Launch Notepad++ directly in system tray\r\
-loadingTime : Display Notepad++ loading time\r\
-alwaysOnTop : Make Notepad++ always on top\r\
-openSession : Open a specific session. fullFilePathName must be a session file\r\
-r : Open files recursively. This argument will be ignored\r\
if fullFilePathName contain no wildcard character\r\
fullFilePathName : file or folder name to open (absolute or relative path name)\r\
");
void doException(Notepad_plus_Window & notepad_plus_plus);
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPSTR, int)
{
LPTSTR cmdLine = ::GetCommandLine();
ParamVector params;
parseCommandLine(cmdLine, params);
MiniDumper mdump; //for debugging purposes.
bool TheFirstOne = true;
::SetLastError(NO_ERROR);
::CreateMutex(NULL, false, TEXT("nppInstance"));
if (::GetLastError() == ERROR_ALREADY_EXISTS)
TheFirstOne = false;
bool isParamePresent;
bool showHelp = isInList(FLAG_HELP, params);
bool isMultiInst = isInList(FLAG_MULTI_INSTANCE, params);
CmdLineParams cmdLineParams;
cmdLineParams._isNoTab = isInList(FLAG_NOTABBAR, params);
cmdLineParams._isNoPlugin = isInList(FLAG_NO_PLUGIN, params);
cmdLineParams._isReadOnly = isInList(FLAG_READONLY, params);
cmdLineParams._isNoSession = isInList(FLAG_NOSESSION, params);
cmdLineParams._isPreLaunch = isInList(FLAG_SYSTRAY, params);
cmdLineParams._alwaysOnTop = isInList(FLAG_ALWAYS_ON_TOP, params);
cmdLineParams._showLoadingTime = isInList(FLAG_LOADINGTIME, params);
cmdLineParams._isSessionFile = isInList(FLAG_OPENSESSIONFILE, params);
cmdLineParams._isRecursive = isInList(FLAG_RECURSIVE, params);
cmdLineParams._langType = getLangTypeFromParam(params);
cmdLineParams._localizationPath = getLocalizationPathFromParam(params);
cmdLineParams._line2go = getNumberFromParam('n', params, isParamePresent);
cmdLineParams._column2go = getNumberFromParam('c', params, isParamePresent);
cmdLineParams._point.x = getNumberFromParam('x', params, cmdLineParams._isPointXValid);
cmdLineParams._point.y = getNumberFromParam('y', params, cmdLineParams._isPointYValid);
if (showHelp)
{
::MessageBox(NULL, COMMAND_ARG_HELP, TEXT("Notepad++ Command Argument Help"), MB_OK);
}
NppParameters *pNppParameters = NppParameters::getInstance();
if (cmdLineParams._localizationPath != TEXT(""))
{
pNppParameters->setStartWithLocFileName(cmdLineParams._localizationPath);
}
pNppParameters->load();
// override the settings if notepad style is present
if (pNppParameters->asNotepadStyle())
{
isMultiInst = true;
cmdLineParams._isNoTab = true;
cmdLineParams._isNoSession = true;
}
// override the settings if multiInst is choosen by user in the preference dialog
const NppGUI & nppGUI = pNppParameters->getNppGUI();
if (nppGUI._multiInstSetting == multiInst)
{
isMultiInst = true;
// Only the first launch remembers the session
if (!TheFirstOne)
cmdLineParams._isNoSession = true;
}
generic_string quotFileName = TEXT("");
// tell the running instance the FULL path to the new files to load
size_t nrFilesToOpen = params.size();
const TCHAR * currentFile;
TCHAR fullFileName[MAX_PATH];
for(size_t i = 0; i < nrFilesToOpen; ++i)
{
currentFile = params.at(i);
if (currentFile[0])
{
//check if relative or full path. Relative paths dont have a colon for driveletter
BOOL isRelative = ::PathIsRelative(currentFile);
quotFileName += TEXT("\"");
if (isRelative)
{
::GetFullPathName(currentFile, MAX_PATH, fullFileName, NULL);
quotFileName += fullFileName;
}
else
{
if ((currentFile[0] == '\\' && currentFile[1] != '\\') || currentFile[0] == '/')
{
quotFileName += getDriveLetter();
quotFileName += ':';
}
quotFileName += currentFile;
}
quotFileName += TEXT("\" ");
}
}
//Only after loading all the file paths set the working directory
::SetCurrentDirectory(NppParameters::getInstance()->getNppPath().c_str()); //force working directory to path of module, preventing lock
if ((!isMultiInst) && (!TheFirstOne))
{
HWND hNotepad_plus = ::FindWindow(Notepad_plus_Window::getClassName(), NULL);
for (int i = 0 ;!hNotepad_plus && i < 5 ; ++i)
{
Sleep(100);
hNotepad_plus = ::FindWindow(Notepad_plus_Window::getClassName(), NULL);
}
if (hNotepad_plus)
{
// First of all, destroy static object NppParameters
pNppParameters->destroyInstance();
MainFileManager->destroyInstance();
int sw = 0;
if (::IsZoomed(hNotepad_plus))
sw = SW_MAXIMIZE;
else if (::IsIconic(hNotepad_plus))
sw = SW_RESTORE;
/* REMOVED
else
sw = SW_SHOW;
// IMPORTANT !!!
::ShowWindow(hNotepad_plus, sw);
DEVOMER*/
/* ADDED */
if (sw != 0)
::ShowWindow(hNotepad_plus, sw);
/* DEDDA */
::SetForegroundWindow(hNotepad_plus);
if (params.size() > 0) //if there are files to open, use the WM_COPYDATA system
{
COPYDATASTRUCT paramData;
paramData.dwData = COPYDATA_PARAMS;
paramData.lpData = &cmdLineParams;
paramData.cbData = sizeof(cmdLineParams);
COPYDATASTRUCT fileNamesData;
fileNamesData.dwData = COPYDATA_FILENAMES;
fileNamesData.lpData = (void *)quotFileName.c_str();
fileNamesData.cbData = long(quotFileName.length() + 1)*(sizeof(TCHAR));
::SendMessage(hNotepad_plus, WM_COPYDATA, (WPARAM)hInstance, (LPARAM)&paramData);
::SendMessage(hNotepad_plus, WM_COPYDATA, (WPARAM)hInstance, (LPARAM)&fileNamesData);
}
return 0;
}
}
Notepad_plus_Window notepad_plus_plus;
NppGUI & nppGui = (NppGUI &)pNppParameters->getNppGUI();
generic_string updaterDir = pNppParameters->getNppPath();
updaterDir += TEXT("\\updater\\");
generic_string updaterFullPath = updaterDir + TEXT("gup.exe");
generic_string version = TEXT("-v");
version += VERSION_VALUE;
bool isUpExist = nppGui._doesExistUpdater = (::PathFileExists(updaterFullPath.c_str()) == TRUE);
bool doUpdate = nppGui._autoUpdateOpt._doAutoUpdate;
if (doUpdate) // check more detail
{
Date today(0);
if (today < nppGui._autoUpdateOpt._nextUpdateDate)
doUpdate = false;
}
if (TheFirstOne && isUpExist && doUpdate)
{
Process updater(updaterFullPath.c_str(), version.c_str(), updaterDir.c_str());
updater.run();
// Update next update date
if (nppGui._autoUpdateOpt._intervalDays < 0) // Make sure interval days value is positive
nppGui._autoUpdateOpt._intervalDays = 0 - nppGui._autoUpdateOpt._intervalDays;
nppGui._autoUpdateOpt._nextUpdateDate = Date(nppGui._autoUpdateOpt._intervalDays);
}
MSG msg;
msg.wParam = 0;
Win32Exception::installHandler();
try {
notepad_plus_plus.init(hInstance, NULL, quotFileName.c_str(), &cmdLineParams);
// Tell UAC that lower integrity processes are allowed to send WM_COPYDATA messages to this process (or window)
// This allows opening new files to already opened elevated Notepad++ process via explorer context menu.
if(pNppParameters->getWinVersion() >= WV_VISTA)
{
HMODULE hDll = GetModuleHandle(TEXT("user32.dll"));
if (hDll)
{
// According to MSDN ChangeWindowMessageFilter may not be supported in future versions of Windows,
// that is why we use ChangeWindowMessageFilterEx if it is available (windows version >= Win7).
if(pNppParameters->getWinVersion() == WV_VISTA)
{
typedef BOOL (WINAPI *MESSAGEFILTERFUNC)(UINT message,DWORD dwFlag);
const DWORD MSGFLT_ADD = 1;
MESSAGEFILTERFUNC func = (MESSAGEFILTERFUNC)::GetProcAddress( hDll, "ChangeWindowMessageFilter" );
if (func)
{
func(WM_COPYDATA, MSGFLT_ADD);
}
}
else
{
typedef BOOL (WINAPI *MESSAGEFILTERFUNCEX)(HWND hWnd,UINT message,DWORD action,VOID* pChangeFilterStruct);
const DWORD MSGFLT_ALLOW = 1;
MESSAGEFILTERFUNCEX func = (MESSAGEFILTERFUNCEX)::GetProcAddress( hDll, "ChangeWindowMessageFilterEx" );
if (func)
{
func(notepad_plus_plus.getHSelf(), WM_COPYDATA, MSGFLT_ALLOW, NULL );
}
}
}
}
bool unicodeSupported = pNppParameters->getWinVersion() >= WV_NT;
bool going = true;
while (going)
{
going = (unicodeSupported?(::GetMessageW(&msg, NULL, 0, 0)):(::GetMessageA(&msg, NULL, 0, 0))) != 0;
if (going)
{
// if the message doesn't belong to the notepad_plus_plus's dialog
if (!notepad_plus_plus.isDlgsMsg(&msg, unicodeSupported))
{
if (::TranslateAccelerator(notepad_plus_plus.getHSelf(), notepad_plus_plus.getAccTable(), &msg) == 0)
{
::TranslateMessage(&msg);
if (unicodeSupported)
::DispatchMessageW(&msg);
else
::DispatchMessage(&msg);
}
}
}
}
} catch(int i) {
TCHAR str[50] = TEXT("God Damned Exception : ");
TCHAR code[10];
wsprintf(code, TEXT("%d"), i);
::MessageBox(Notepad_plus_Window::gNppHWND, lstrcat(str, code), TEXT("Int Exception"), MB_OK);
doException(notepad_plus_plus);
} catch(std::runtime_error & ex) {
::MessageBoxA(Notepad_plus_Window::gNppHWND, ex.what(), "Runtime Exception", MB_OK);
doException(notepad_plus_plus);
} catch (const Win32Exception & ex) {
TCHAR message[1024]; //TODO: sane number
wsprintf(message, TEXT("An exception occured. Notepad++ cannot recover and must be shut down.\r\nThe exception details are as follows:\r\n")
TEXT("Code:\t0x%08X\r\nType:\t%S\r\nException address: 0x%08X"), ex.code(), ex.what(), ex.where());
::MessageBox(Notepad_plus_Window::gNppHWND, message, TEXT("Win32Exception"), MB_OK | MB_ICONERROR);
mdump.writeDump(ex.info());
doException(notepad_plus_plus);
} catch(std::exception & ex) {
::MessageBoxA(Notepad_plus_Window::gNppHWND, ex.what(), "General Exception", MB_OK);
doException(notepad_plus_plus);
} catch(...) { //this shouldnt ever have to happen
::MessageBoxA(Notepad_plus_Window::gNppHWND, "An exception that we did not yet found its name is just caught", "Unknown Exception", MB_OK);
doException(notepad_plus_plus);
}
return (UINT)msg.wParam;
}
void doException(Notepad_plus_Window & notepad_plus_plus) {
Win32Exception::removeHandler(); //disable exception handler after excpetion, we dont want corrupt data structurs to crash the exception handler
::MessageBox(Notepad_plus_Window::gNppHWND, TEXT("Notepad++ will attempt to save any unsaved data. However, dataloss is very likely."), TEXT("Recovery initiating"), MB_OK | MB_ICONINFORMATION);
TCHAR tmpDir[1024];
GetTempPath(1024, tmpDir);
generic_string emergencySavedDir = tmpDir;
emergencySavedDir += TEXT("\\N++RECOV");
bool res = notepad_plus_plus.emergency(emergencySavedDir);
if (res) {
generic_string displayText = TEXT("Notepad++ was able to successfully recover some unsaved documents, or nothing to be saved could be found.\r\nYou can find the results at :\r\n");
displayText += emergencySavedDir;
::MessageBox(Notepad_plus_Window::gNppHWND, displayText.c_str(), TEXT("Recovery success"), MB_OK | MB_ICONINFORMATION);
} else {
::MessageBox(Notepad_plus_Window::gNppHWND, TEXT("Unfortunatly, Notepad++ was not able to save your work. We are sorry for any lost data."), TEXT("Recovery failure"), MB_OK | MB_ICONERROR);
}
}
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