barrier/cmd/launcher/LaunchUtil.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 "LaunchUtil.h"
#include "CArch.h"
#include "resource.h"
#include "stdfstream.h"
#define CONFIG_NAME "synergy.sgc"
CString
getString(DWORD id)
{
char buffer[1024];
buffer[0] = '\0';
LoadString(s_instance, id, buffer, sizeof(buffer) / sizeof(buffer[0]));
return buffer;
}
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;
}
}
void
showError(HWND hwnd, const CString& msg)
{
CString title = getString(IDS_ERROR);
MessageBox(hwnd, msg.c_str(), title.c_str(), MB_OK | MB_APPLMODAL);
}
void
askOkay(HWND hwnd, const CString& title, const CString& msg)
{
MessageBox(hwnd, msg.c_str(), title.c_str(), MB_OK | MB_APPLMODAL);
}
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);
}
void
setWindowText(HWND hwnd, const CString& msg)
{
SendMessage(hwnd, WM_SETTEXT, 0, (LPARAM)msg.c_str());
}
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;
}
HWND
getItem(HWND hwnd, int id)
{
return GetDlgItem(hwnd, id);
}
void
enableItem(HWND hwnd, int id, bool enabled)
{
EnableWindow(GetDlgItem(hwnd, id), enabled);
}
CString
getAppPath(const CString& appName)
{
// prepare path to app
char myPathname[MAX_PATH];
GetModuleFileName(s_instance, myPathname, MAX_PATH);
const char* myBasename = ARCH->getBasename(myPathname);
CString appPath = CString(myPathname, myBasename - myPathname);
appPath += appName;
return appPath;
}
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;
}
bool
loadConfig(CConfig& config)
{
// load configuration
bool configLoaded = false;
CString path = ARCH->getUserDirectory();
if (!path.empty()) {
// try loading the user's configuration
path = ARCH->concatPath(path, CONFIG_NAME);
if (loadConfig(path, config)) {
configLoaded = true;
}
else {
// try the system-wide config file
path = ARCH->getSystemDirectory();
if (!path.empty()) {
path = ARCH->concatPath(path, CONFIG_NAME);
if (loadConfig(path, config)) {
configLoaded = true;
}
}
}
}
return configLoaded;
}
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;
}
bool
saveConfig(const CConfig& config, bool sysOnly)
{
// try saving the user's configuration
if (!sysOnly) {
CString path = ARCH->getUserDirectory();
if (!path.empty()) {
path = ARCH->concatPath(path, CONFIG_NAME);
if (saveConfig(path, config)) {
return true;
}
}
}
// try the system-wide config file
else {
CString path = ARCH->getSystemDirectory();
if (!path.empty()) {
path = ARCH->concatPath(path, CONFIG_NAME);
if (saveConfig(path, config)) {
return true;
}
}
}
return false;
}