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barrier/cmd/launcher/launcher.cpp

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/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2002 Chris Schoeneman
*
* 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 COPYING 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.
*/
#include "CConfig.h"
#include "ProtocolTypes.h"
#include "CPlatform.h"
#include "CNetwork.h"
#include "Version.h"
#include "stdfstream.h"
#include "stdvector.h"
#include "resource.h"
#define WINDOWS_LEAN_AND_MEAN
#include <windows.h>
#define CONFIG_NAME "synergy.sgc"
#define CLIENT_APP "synergyc.exe"
#define SERVER_APP "synergyd.exe"
typedef std::vector<CString> CStringList;
class CScreenInfo {
public:
CString m_screen;
CStringList m_aliases;
};
class CChildWaitInfo {
public:
HWND m_dialog;
HANDLE m_child;
DWORD m_childID;
HANDLE m_ready;
HANDLE m_stop;
};
static const TCHAR* s_mainClass = TEXT("GoSynergy");
static const TCHAR* s_layoutClass = TEXT("SynergyLayout");
static HINSTANCE s_instance = NULL;
static HWND s_mainWindow;
static CConfig s_config;
static CConfig s_oldConfig;
static CStringList s_screens;
static
BOOL CALLBACK
addDlgProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
static
void
tokenize(CStringList& tokens, const CString& src)
{
// find first non-whitespace
CString::size_type x = src.find_first_not_of(" \t\r\n");
if (x == CString::npos) {
return;
}
// find next whitespace
do {
CString::size_type y = src.find_first_of(" \t\r\n", x);
if (y == CString::npos) {
y = src.size();
}
tokens.push_back(src.substr(x, y - x));
x = src.find_first_not_of(" \t\r\n", y);
} while (x != CString::npos);
}
static
bool
isNameInList(const CStringList& names, const CString& name)
{
for (CStringList::const_iterator index = names.begin();
index != names.end(); ++index) {
if (CStringUtil::CaselessCmp::equal(name, *index)) {
return true;
}
}
return false;
}
static
CString
getString(DWORD id)
{
char buffer[1024];
buffer[0] = '\0';
LoadString(s_instance, id, buffer, sizeof(buffer) / sizeof(buffer[0]));
return buffer;
}
static
CString
getErrorString(DWORD error)
{
char* buffer;
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_IGNORE_INSERTS |
FORMAT_MESSAGE_FROM_SYSTEM,
0,
error,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&buffer,
0,
NULL) == 0) {
return getString(IDS_ERROR);
}
else {
CString result(buffer);
LocalFree(buffer);
return result;
}
}
static
void
showError(HWND hwnd, const CString& msg)
{
CString title = getString(IDS_ERROR);
MessageBox(hwnd, msg.c_str(), title.c_str(), MB_OK | MB_APPLMODAL);
}
static
void
askOkay(HWND hwnd, const CString& title, const CString& msg)
{
MessageBox(hwnd, msg.c_str(), title.c_str(), MB_OK | MB_APPLMODAL);
}
static
bool
askVerify(HWND hwnd, const CString& msg)
{
CString title = getString(IDS_VERIFY);
int result = MessageBox(hwnd, msg.c_str(),
title.c_str(), MB_OKCANCEL | MB_APPLMODAL);
return (result == IDOK);
}
static
CString
getWindowText(HWND hwnd)
{
LRESULT size = SendMessage(hwnd, WM_GETTEXTLENGTH, 0, 0);
char* buffer = new char[size + 1];
SendMessage(hwnd, WM_GETTEXT, size + 1, (LPARAM)buffer);
buffer[size] = '\0';
CString result(buffer);
delete[] buffer;
return result;
}
static
void
enableItem(HWND hwnd, int id, bool enabled)
{
EnableWindow(GetDlgItem(hwnd, id), enabled);
}
static
bool
isClientChecked(HWND hwnd)
{
HWND child = GetDlgItem(hwnd, IDC_MAIN_CLIENT_RADIO);
return (SendMessage(child, BM_GETCHECK, 0, 0) == BST_CHECKED);
}
static
void
enableScreensControls(HWND hwnd)
{
// decide if edit and remove buttons should be enabled
bool client = isClientChecked(hwnd);
bool screenSelected = false;
if (!client) {
HWND child = GetDlgItem(hwnd, IDC_MAIN_SERVER_SCREENS_LIST);
if (SendMessage(child, LB_GETCURSEL, 0, 0) != LB_ERR) {
screenSelected = true;
}
}
// enable/disable controls
enableItem(hwnd, IDC_MAIN_SERVER_SCREENS_LABEL, !client);
enableItem(hwnd, IDC_MAIN_SERVER_SCREENS_LIST, !client);
enableItem(hwnd, IDC_MAIN_SERVER_ADD_BUTTON, !client);
enableItem(hwnd, IDC_MAIN_SERVER_EDIT_BUTTON, screenSelected);
enableItem(hwnd, IDC_MAIN_SERVER_REMOVE_BUTTON, screenSelected);
enableItem(hwnd, IDC_MAIN_SERVER_LAYOUT_LABEL, !client);
enableItem(hwnd, IDC_MAIN_SERVER_LEFT_COMBO, screenSelected);
enableItem(hwnd, IDC_MAIN_SERVER_RIGHT_COMBO, screenSelected);
enableItem(hwnd, IDC_MAIN_SERVER_TOP_COMBO, screenSelected);
enableItem(hwnd, IDC_MAIN_SERVER_BOTTOM_COMBO, screenSelected);
enableItem(hwnd, IDC_MAIN_SERVER_LEFT_LABEL, screenSelected);
enableItem(hwnd, IDC_MAIN_SERVER_RIGHT_LABEL, screenSelected);
enableItem(hwnd, IDC_MAIN_SERVER_TOP_LABEL, screenSelected);
enableItem(hwnd, IDC_MAIN_SERVER_BOTTOM_LABEL, screenSelected);
}
static
void
enableMainWindowControls(HWND hwnd)
{
bool client = isClientChecked(hwnd);
enableItem(hwnd, IDC_MAIN_CLIENT_SERVER_NAME_LABEL, client);
enableItem(hwnd, IDC_MAIN_CLIENT_SERVER_NAME_EDIT, client);
enableScreensControls(hwnd);
}
static
void
updateNeighbor(HWND hwnd, const CString& screen, EDirection direction)
{
// remove all neighbors from combo box
SendMessage(hwnd, CB_RESETCONTENT, 0, 0);
// add all screens to combo box
if (!screen.empty()) {
for (CConfig::const_iterator index = s_config.begin();
index != s_config.end(); ++index) {
SendMessage(hwnd, CB_INSERTSTRING,
(WPARAM)-1, (LPARAM)index->c_str());
}
}
// add empty neighbor to combo box
SendMessage(hwnd, CB_ADDSTRING, 0, (LPARAM)"---");
// select neighbor in combo box
LRESULT index = 0;
if (!screen.empty()) {
const CString& neighbor = s_config.getNeighbor(screen, direction);
if (!neighbor.empty()) {
index = SendMessage(hwnd, CB_FINDSTRINGEXACT,
0, (LPARAM)neighbor.c_str());
if (index == LB_ERR) {
index = 0;
}
}
}
SendMessage(hwnd, CB_SETCURSEL, index, 0);
}
static
void
updateNeighbors(HWND hwnd)
{
// get selected screen name or empty string if no selection
CString screen;
HWND child = GetDlgItem(hwnd, IDC_MAIN_SERVER_SCREENS_LIST);
LRESULT index = SendMessage(child, LB_GETCURSEL, 0, 0);
if (index != LB_ERR) {
screen = s_screens[index];
}
// set neighbor combo boxes
child = GetDlgItem(hwnd, IDC_MAIN_SERVER_LEFT_COMBO);
updateNeighbor(child, screen, kLeft);
child = GetDlgItem(hwnd, IDC_MAIN_SERVER_RIGHT_COMBO);
updateNeighbor(child, screen, kRight);
child = GetDlgItem(hwnd, IDC_MAIN_SERVER_TOP_COMBO);
updateNeighbor(child, screen, kTop);
child = GetDlgItem(hwnd, IDC_MAIN_SERVER_BOTTOM_COMBO);
updateNeighbor(child, screen, kBottom);
}
static
void
addScreen(HWND hwnd)
{
// empty screen info
CScreenInfo info;
// run dialog
if (DialogBoxParam(s_instance, MAKEINTRESOURCE(IDD_ADD),
hwnd, addDlgProc, (LPARAM)&info) != 0) {
// get current number of screens
UInt32 i = s_screens.size();
// add screen to list control
HWND child = GetDlgItem(hwnd, IDC_MAIN_SERVER_SCREENS_LIST);
CString item = CStringUtil::print("%d. %s",
i + 1, info.m_screen.c_str());
SendMessage(child, LB_ADDSTRING, 0, (LPARAM)item.c_str());
// add screen to screen list
s_screens.push_back(info.m_screen);
// add screen to config
s_config.addScreen(info.m_screen);
// add aliases to config
for (CStringList::const_iterator index = info.m_aliases.begin();
index != info.m_aliases.end(); ++index) {
s_config.addAlias(info.m_screen, *index);
}
// update neighbors
updateNeighbors(hwnd);
enableScreensControls(hwnd);
}
}
static
void
editScreen(HWND hwnd)
{
// get selected list item
HWND child = GetDlgItem(hwnd, IDC_MAIN_SERVER_SCREENS_LIST);
LRESULT index = SendMessage(child, LB_GETCURSEL, 0, 0);
if (index == LB_ERR) {
// no selection
return;
}
// fill in screen info
CScreenInfo info;
info.m_screen = s_screens[index];
for (CConfig::all_const_iterator index = s_config.beginAll();
index != s_config.endAll(); ++index) {
if (CStringUtil::CaselessCmp::equal(index->second, info.m_screen) &&
!CStringUtil::CaselessCmp::equal(index->second, index->first)) {
info.m_aliases.push_back(index->first);
}
}
// save current info
CScreenInfo oldInfo = info;
// run dialog
if (DialogBoxParam(s_instance, MAKEINTRESOURCE(IDD_ADD),
hwnd, addDlgProc, (LPARAM)&info) != 0) {
// replace screen
s_screens[index] = info.m_screen;
// remove old aliases
for (CStringList::const_iterator index = oldInfo.m_aliases.begin();
index != oldInfo.m_aliases.end(); ++index) {
s_config.removeAlias(*index);
}
// replace name
s_config.renameScreen(oldInfo.m_screen, info.m_screen);
// add new aliases
for (CStringList::const_iterator index = info.m_aliases.begin();
index != info.m_aliases.end(); ++index) {
s_config.addAlias(info.m_screen, *index);
}
// update list
CString item = CStringUtil::print("%d. %s",
index + 1, info.m_screen.c_str());
SendMessage(child, LB_DELETESTRING, index, 0);
SendMessage(child, LB_INSERTSTRING, index,
(LPARAM)item.c_str());
SendMessage(child, LB_SETCURSEL, index, 0);
// update neighbors
updateNeighbors(hwnd);
}
}
static
void
removeScreen(HWND hwnd)
{
// get selected list item
HWND child = GetDlgItem(hwnd, IDC_MAIN_SERVER_SCREENS_LIST);
LRESULT index = SendMessage(child, LB_GETCURSEL, 0, 0);
if (index == LB_ERR) {
// no selection
return;
}
// get screen name
CString name = s_screens[index];
// remove screen from list control
SendMessage(child, LB_DELETESTRING, index, 0);
// remove screen from screen list
s_screens.erase(&s_screens[index]);
// remove screen from config (this also removes aliases)
s_config.removeScreen(name);
// update neighbors
updateNeighbors(hwnd);
enableScreensControls(hwnd);
}
static
void
changeNeighbor(HWND hwnd, HWND combo, EDirection direction)
{
// get selected screen
HWND child = GetDlgItem(hwnd, IDC_MAIN_SERVER_SCREENS_LIST);
LRESULT index = SendMessage(child, LB_GETCURSEL, 0, 0);
if (index == LB_ERR) {
// no selection
return;
}
// get screen name
CString screen = s_screens[index];
// get selected neighbor
index = SendMessage(combo, CB_GETCURSEL, 0, 0);
// remove old connection
s_config.disconnect(screen, direction);
// add new connection
if (index != LB_ERR && index != 0) {
LRESULT size = SendMessage(combo, CB_GETLBTEXTLEN, index, 0);
char* neighbor = new char[size + 1];
SendMessage(combo, CB_GETLBTEXT, index, (LPARAM)neighbor);
s_config.connect(screen, direction, CString(neighbor));
delete[] neighbor;
}
}
static
bool
execApp(const char* app, const CString& cmdLine, PROCESS_INFORMATION* procInfo)
{
// prepare startup info
STARTUPINFO startup;
startup.cb = sizeof(startup);
startup.lpReserved = NULL;
startup.lpDesktop = NULL;
startup.lpTitle = NULL;
startup.dwX = (DWORD)CW_USEDEFAULT;
startup.dwY = (DWORD)CW_USEDEFAULT;
startup.dwXSize = (DWORD)CW_USEDEFAULT;
startup.dwYSize = (DWORD)CW_USEDEFAULT;
startup.dwXCountChars = 0;
startup.dwYCountChars = 0;
startup.dwFillAttribute = 0;
startup.dwFlags = STARTF_FORCEONFEEDBACK;
startup.wShowWindow = SW_SHOWDEFAULT;
startup.cbReserved2 = 0;
startup.lpReserved2 = NULL;
startup.hStdInput = NULL;
startup.hStdOutput = NULL;
startup.hStdError = NULL;
// prepare path to app
CPlatform platform;
char myPathname[MAX_PATH];
GetModuleFileName(s_instance, myPathname, MAX_PATH);
const char* myBasename = platform.getBasename(myPathname);
CString appPath = CString(myPathname, myBasename - myPathname);
appPath += app;
// start child
if (CreateProcess(appPath.c_str(),
(char*)cmdLine.c_str(),
NULL,
NULL,
FALSE,
CREATE_DEFAULT_ERROR_MODE |
CREATE_NEW_PROCESS_GROUP |
NORMAL_PRIORITY_CLASS,
NULL,
NULL,
&startup,
procInfo) == 0) {
return false;
}
else {
return true;
}
}
static
bool
uninstallApp(const char* app)
{
PROCESS_INFORMATION procInfo;
// uninstall
DWORD exitCode = kExitFailed;
if (execApp(app, "-z --uninstall", &procInfo)) {
WaitForSingleObject(procInfo.hProcess, INFINITE);
GetExitCodeProcess(procInfo.hProcess, &exitCode);
CloseHandle(procInfo.hProcess);
CloseHandle(procInfo.hThread);
}
return (exitCode == kExitSuccess);
}
static
HANDLE
launchApp(HWND hwnd, bool testing, DWORD* threadID)
{
// decide if client or server
const bool isClient = isClientChecked(hwnd);
const char* app = isClient ? CLIENT_APP : SERVER_APP;
// get and verify screen name
HWND child = GetDlgItem(hwnd, IDC_MAIN_ADVANCED_NAME_EDIT);
CString name = getWindowText(child);
if (!s_config.isValidScreenName(name)) {
showError(hwnd, CStringUtil::format(
getString(IDS_INVALID_SCREEN_NAME).c_str(),
name.c_str()));
SetFocus(child);
return NULL;
}
if (!isClient && !s_config.isScreen(name)) {
showError(hwnd, CStringUtil::format(
getString(IDS_UNKNOWN_SCREEN_NAME).c_str(),
name.c_str()));
SetFocus(child);
return NULL;
}
// get and verify port
child = GetDlgItem(hwnd, IDC_MAIN_ADVANCED_PORT_EDIT);
CString portString = getWindowText(child);
UInt32 port = (UInt32)atoi(portString.c_str());
if (port < 1 || port > 65535) {
CString defaultPortString = CStringUtil::print("%d", kDefaultPort);
showError(hwnd, CStringUtil::format(
getString(IDS_INVALID_PORT).c_str(),
portString.c_str(),
defaultPortString.c_str()));
SetFocus(child);
return NULL;
}
// prepare command line
CString cmdLine;
if (testing) {
cmdLine += " -z --no-restart --no-daemon";
}
cmdLine += " --name ";
cmdLine += name;
if (isClient) {
// check server name
child = GetDlgItem(hwnd, IDC_MAIN_CLIENT_SERVER_NAME_EDIT);
CString server = getWindowText(child);
if (!s_config.isValidScreenName(server)) {
showError(hwnd, CStringUtil::format(
getString(IDS_INVALID_SCREEN_NAME).c_str(),
server.c_str()));
SetFocus(child);
return NULL;
}
if (testing) {
cmdLine += " --no-camp";
}
cmdLine += " ";
cmdLine += server;
cmdLine += ":";
cmdLine += portString;
}
else {
cmdLine += " --address :";
cmdLine += portString;
}
// uninstall client and server then reinstall one of them
if (!testing) {
// uninstall client and server
uninstallApp(CLIENT_APP);
uninstallApp(SERVER_APP);
// install client or server
PROCESS_INFORMATION procInfo;
DWORD exitCode = kExitFailed;
if (execApp(app, CString("-z --install") + cmdLine, &procInfo)) {
WaitForSingleObject(procInfo.hProcess, INFINITE);
GetExitCodeProcess(procInfo.hProcess, &exitCode);
CloseHandle(procInfo.hProcess);
CloseHandle(procInfo.hThread);
}
// see if install succeeded
if (exitCode != kExitSuccess) {
showError(hwnd, getString(IDS_INSTALL_FAILED).c_str());
return NULL;
}
}
// start child
PROCESS_INFORMATION procInfo;
if (!execApp(app, cmdLine, &procInfo)) {
showError(hwnd, CStringUtil::format(
getString(IDS_STARTUP_FAILED).c_str(),
getErrorString(GetLastError()).c_str()));
return NULL;
}
// don't need process handle
CloseHandle(procInfo.hProcess);
// save thread ID if desired
if (threadID != NULL) {
*threadID = procInfo.dwThreadId;
}
// return thread handle
return procInfo.hThread;
}
static
BOOL CALLBACK
waitDlgProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
// only one wait dialog at a time!
static CChildWaitInfo* info = NULL;
switch (message) {
case WM_INITDIALOG:
// save info pointer
info = reinterpret_cast<CChildWaitInfo*>(lParam);
// save hwnd
info->m_dialog = hwnd;
// signal ready
SetEvent(info->m_ready);
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDCANCEL:
case IDOK:
// signal stop
SetEvent(info->m_stop);
// done
EndDialog(hwnd, 0);
return TRUE;
}
}
return FALSE;
}
static
DWORD WINAPI
waitForChildThread(LPVOID vinfo)
{
CChildWaitInfo* info = reinterpret_cast<CChildWaitInfo*>(vinfo);
// wait for ready
WaitForSingleObject(info->m_ready, INFINITE);
// wait for thread to complete or stop event
HANDLE handles[2];
handles[0] = info->m_child;
handles[1] = info->m_stop;
DWORD n = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
// if stop was raised then terminate child and wait for it
if (n == WAIT_OBJECT_0 + 1) {
PostThreadMessage(info->m_childID, WM_QUIT, 0, 0);
WaitForSingleObject(info->m_child, INFINITE);
}
// otherwise post IDOK to dialog box
else {
PostMessage(info->m_dialog, WM_COMMAND, MAKEWPARAM(IDOK, 0), 0);
}
return 0;
}
static
void
waitForChild(HWND hwnd, HANDLE thread, DWORD threadID)
{
// prepare info for child wait dialog and thread
CChildWaitInfo info;
info.m_dialog = NULL;
info.m_child = thread;
info.m_childID = threadID;
info.m_ready = CreateEvent(NULL, TRUE, FALSE, NULL);
info.m_stop = CreateEvent(NULL, TRUE, FALSE, NULL);
// create a thread to wait on the child thread and event
DWORD id;
HANDLE waiter = CreateThread(NULL, 0, &waitForChildThread, &info,0, &id);
// do dialog that let's the user terminate the test
DialogBoxParam(s_instance, MAKEINTRESOURCE(IDD_WAIT), hwnd,
waitDlgProc, (LPARAM)&info);
// force the waiter thread to finish and wait for it
SetEvent(info.m_ready);
SetEvent(info.m_stop);
WaitForSingleObject(waiter, INFINITE);
// clean up
CloseHandle(waiter);
CloseHandle(info.m_ready);
CloseHandle(info.m_stop);
}
static
bool
loadConfig(const CString& pathname, CConfig& config)
{
try {
std::ifstream stream(pathname.c_str());
if (stream) {
stream >> config;
return true;
}
}
catch (...) {
// ignore
}
return false;
}
static
bool
saveConfig(const CString& pathname, const CConfig& config)
{
try {
std::ofstream stream(pathname.c_str());
if (stream) {
stream << config;
return !!stream;
}
}
catch (...) {
// ignore
}
return false;
}
static
bool
saveConfig(const CConfig& config)
{
CPlatform platform;
CString path = platform.getUserDirectory();
if (!path.empty()) {
// try loading the user's configuration
path = platform.addPathComponent(path, CONFIG_NAME);
if (saveConfig(path, config)) {
return true;
}
}
// try the system-wide config file
path = platform.getSystemDirectory();
if (!path.empty()) {
path = platform.addPathComponent(path, CONFIG_NAME);
if (saveConfig(path, config)) {
return true;
}
}
return false;
}
static
void
initMainWindow(HWND hwnd)
{
CPlatform platform;
// load configuration
bool configLoaded = false;
CString path = platform.getUserDirectory();
if (!path.empty()) {
// try loading the user's configuration
path = platform.addPathComponent(path, CONFIG_NAME);
if (loadConfig(path, s_config)) {
configLoaded = true;
}
else {
// try the system-wide config file
path = platform.getSystemDirectory();
if (!path.empty()) {
path = platform.addPathComponent(path, CONFIG_NAME);
if (loadConfig(path, s_config)) {
configLoaded = true;
}
}
}
}
s_oldConfig = s_config;
// choose client/server radio buttons
HWND child;
child = GetDlgItem(hwnd, IDC_MAIN_CLIENT_RADIO);
SendMessage(child, BM_SETCHECK, !configLoaded ?
BST_CHECKED : BST_UNCHECKED, 0);
child = GetDlgItem(hwnd, IDC_MAIN_SERVER_RADIO);
SendMessage(child, BM_SETCHECK, configLoaded ?
BST_CHECKED : BST_UNCHECKED, 0);
// if config is loaded then initialize server controls
if (configLoaded) {
int i = 1;
child = GetDlgItem(hwnd, IDC_MAIN_SERVER_SCREENS_LIST);
for (CConfig::const_iterator index = s_config.begin();
index != s_config.end(); ++i, ++index) {
s_screens.push_back(*index);
CString item = CStringUtil::print("%d. %s", i, index->c_str());
SendMessage(child, LB_ADDSTRING, 0, (LPARAM)item.c_str());
}
}
// initialize other controls
char buffer[256];
sprintf(buffer, "%d", kDefaultPort);
child = GetDlgItem(hwnd, IDC_MAIN_ADVANCED_PORT_EDIT);
SendMessage(child, WM_SETTEXT, 0, (LPARAM)buffer);
CNetwork::gethostname(buffer, sizeof(buffer));
child = GetDlgItem(hwnd, IDC_MAIN_ADVANCED_NAME_EDIT);
SendMessage(child, WM_SETTEXT, 0, (LPARAM)buffer);
// update neighbor combo boxes
enableMainWindowControls(hwnd);
updateNeighbors(hwnd);
}
static
BOOL CALLBACK
addDlgProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
// only one add dialog at a time!
static CScreenInfo* info = NULL;
switch (message) {
case WM_INITDIALOG: {
info = (CScreenInfo*)lParam;
// fill in screen name
HWND child = GetDlgItem(hwnd, IDC_ADD_SCREEN_NAME_EDIT);
SendMessage(child, WM_SETTEXT, 0, (LPARAM)info->m_screen.c_str());
// fill in aliases
CString aliases;
for (CStringList::const_iterator index = info->m_aliases.begin();
index != info->m_aliases.end(); ++index) {
if (!aliases.empty()) {
aliases += "\r\n";
}
aliases += *index;
}
child = GetDlgItem(hwnd, IDC_ADD_ALIASES_EDIT);
SendMessage(child, WM_SETTEXT, 0, (LPARAM)aliases.c_str());
return TRUE;
}
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK: {
CString newName;
CStringList newAliases;
// extract name and aliases
HWND child = GetDlgItem(hwnd, IDC_ADD_SCREEN_NAME_EDIT);
newName = getWindowText(child);
child = GetDlgItem(hwnd, IDC_ADD_ALIASES_EDIT);
tokenize(newAliases, getWindowText(child));
// name must be valid
if (!s_config.isValidScreenName(newName)) {
showError(hwnd, CStringUtil::format(
getString(IDS_INVALID_SCREEN_NAME).c_str(),
newName.c_str()));
return TRUE;
}
// aliases must be valid
for (CStringList::const_iterator index = newAliases.begin();
index != newAliases.end(); ++index) {
if (!s_config.isValidScreenName(*index)) {
showError(hwnd, CStringUtil::format(
getString(IDS_INVALID_SCREEN_NAME).c_str(),
index->c_str()));
return TRUE;
}
}
// new name may not be in the new alias list
if (isNameInList(newAliases, newName)) {
showError(hwnd, CStringUtil::format(
getString(IDS_SCREEN_NAME_IS_ALIAS).c_str(),
newName.c_str()));
return TRUE;
}
// name must not exist in config but allow same name. also
// allow name if it exists in the old alias list but not the
// new one.
if (s_config.isScreen(newName) &&
!CStringUtil::CaselessCmp::equal(newName, info->m_screen) &&
!isNameInList(info->m_aliases, newName)) {
showError(hwnd, CStringUtil::format(
getString(IDS_DUPLICATE_SCREEN_NAME).c_str(),
newName.c_str()));
return TRUE;
}
// aliases must not exist in config but allow same aliases and
// allow an alias to be the old name.
for (CStringList::const_iterator index = newAliases.begin();
index != newAliases.end(); ++index) {
if (s_config.isScreen(*index) &&
!CStringUtil::CaselessCmp::equal(*index, info->m_screen) &&
!isNameInList(info->m_aliases, *index)) {
showError(hwnd, CStringUtil::format(
getString(IDS_DUPLICATE_SCREEN_NAME).c_str(),
index->c_str()));
return TRUE;
}
}
// save data
info->m_screen = newName;
info->m_aliases = newAliases;
// success
EndDialog(hwnd, 1);
info = NULL;
return TRUE;
}
case IDCANCEL:
EndDialog(hwnd, 0);
info = NULL;
return TRUE;
}
default:
break;
}
return FALSE;
}
static
LRESULT CALLBACK
mainWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) {
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDCANCEL:
// test for unsaved data
if (s_config != s_oldConfig) {
if (!askVerify(hwnd, getString(IDS_UNSAVED_DATA_REALLY_QUIT))) {
return 0;
}
}
// quit
PostQuitMessage(0);
return 0;
case IDOK: {
// save data
if (s_config != s_oldConfig) {
if (!saveConfig(s_config)) {
showError(hwnd, CStringUtil::format(
getString(IDS_SAVE_FAILED).c_str(),
getErrorString(GetLastError()).c_str()));
return 0;
}
s_oldConfig = s_config;
}
// launch child app
HANDLE thread = launchApp(hwnd, false, NULL);
if (thread == NULL) {
return 0;
}
CloseHandle(thread);
// notify of success
askOkay(hwnd, getString(IDS_STARTED_TITLE),
getString(IDS_STARTED));
// quit
PostQuitMessage(0);
return 0;
}
case IDC_MAIN_TEST: {
// save data
if (s_config != s_oldConfig) {
if (!saveConfig(s_config)) {
showError(hwnd, CStringUtil::format(
getString(IDS_SAVE_FAILED).c_str(),
getErrorString(GetLastError()).c_str()));
return 0;
}
s_oldConfig = s_config;
}
// launch child app
DWORD threadID;
HANDLE thread = launchApp(hwnd, true, &threadID);
if (thread == NULL) {
return 0;
}
// wait for process to stop, allowing the user to kill it
waitForChild(hwnd, thread, threadID);
// clean up
CloseHandle(thread);
return 0;
}
case IDC_MAIN_UNINSTALL: {
// uninstall client and server
bool removedClient = uninstallApp(CLIENT_APP);
bool removedServer = uninstallApp(SERVER_APP);
if (!removedClient) {
showError(hwnd, CStringUtil::format(
getString(IDS_UNINSTALL_FAILED).c_str(),
getString(IDS_CLIENT).c_str()));
}
else if (!removedServer) {
showError(hwnd, CStringUtil::format(
getString(IDS_UNINSTALL_FAILED).c_str(),
getString(IDS_SERVER).c_str()));
}
else {
askOkay(hwnd, getString(IDS_UNINSTALL_TITLE),
getString(IDS_UNINSTALLED));
}
return 0;
}
case IDC_MAIN_CLIENT_RADIO:
case IDC_MAIN_SERVER_RADIO:
enableMainWindowControls(hwnd);
return 0;
case IDC_MAIN_SERVER_ADD_BUTTON:
addScreen(hwnd);
return 0;
case IDC_MAIN_SERVER_EDIT_BUTTON:
editScreen(hwnd);
return 0;
case IDC_MAIN_SERVER_REMOVE_BUTTON:
removeScreen(hwnd);
return 0;
case IDC_MAIN_SERVER_SCREENS_LIST:
if (HIWORD(wParam) == LBN_SELCHANGE) {
enableScreensControls(hwnd);
updateNeighbors(hwnd);
}
else if (HIWORD(wParam) == LBN_DBLCLK) {
editScreen(hwnd);
return 0;
}
break;
case IDC_MAIN_SERVER_LEFT_COMBO:
if (HIWORD(wParam) == CBN_SELENDOK) {
changeNeighbor(hwnd, (HWND)lParam, kLeft);
return 0;
}
break;
case IDC_MAIN_SERVER_RIGHT_COMBO:
if (HIWORD(wParam) == CBN_SELENDOK) {
changeNeighbor(hwnd, (HWND)lParam, kRight);
return 0;
}
break;
case IDC_MAIN_SERVER_TOP_COMBO:
if (HIWORD(wParam) == CBN_SELENDOK) {
changeNeighbor(hwnd, (HWND)lParam, kTop);
return 0;
}
break;
case IDC_MAIN_SERVER_BOTTOM_COMBO:
if (HIWORD(wParam) == CBN_SELENDOK) {
changeNeighbor(hwnd, (HWND)lParam, kBottom);
return 0;
}
break;
}
default:
break;
}
return DefDlgProc(hwnd, message, wParam, lParam);
}
int WINAPI
WinMain(HINSTANCE instance, HINSTANCE, LPSTR, int nCmdShow)
{
s_instance = instance;
// initialize network library
CNetwork::init();
// register main window (dialog) class
WNDCLASSEX classInfo;
classInfo.cbSize = sizeof(classInfo);
classInfo.style = CS_HREDRAW | CS_VREDRAW;
classInfo.lpfnWndProc = &mainWndProc;
classInfo.cbClsExtra = 0;
classInfo.cbWndExtra = DLGWINDOWEXTRA;
classInfo.hInstance = instance;
classInfo.hIcon = (HICON)LoadImage(instance,
MAKEINTRESOURCE(IDI_SYNERGY),
IMAGE_ICON,
32, 32, LR_SHARED);
classInfo.hCursor = LoadCursor(NULL, IDC_ARROW);
classInfo.hbrBackground = reinterpret_cast<HBRUSH>(COLOR_3DFACE + 1);
classInfo.lpszMenuName = NULL;
classInfo.lpszClassName = s_mainClass;
classInfo.hIconSm = (HICON)LoadImage(instance,
MAKEINTRESOURCE(IDI_SYNERGY),
IMAGE_ICON,
16, 16, LR_SHARED);
RegisterClassEx(&classInfo);
// create main window
s_mainWindow = CreateDialog(s_instance, MAKEINTRESOURCE(IDD_MAIN), 0, NULL);
// prep window
initMainWindow(s_mainWindow);
// show window
ShowWindow(s_mainWindow, nCmdShow);
// main loop
MSG msg;
bool done = false;
do {
switch (GetMessage(&msg, NULL, 0, 0)) {
case -1:
// error
break;
case 0:
// quit
done = true;
break;
default:
if (!IsDialogMessage(s_mainWindow, &msg)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
break;
}
} while (!done);
return msg.wParam;
}
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