ioquake/launch
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Moved Q3A utility function - path and home path detection, config reading - to their own static class.

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This commit is contained in:
Jonathan Young 2014-05-17 17:00:38 +10:00
parent f39872b24e
commit 22ca1cec42
5 changed files with 211 additions and 133 deletions
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6
launch.pro
View file

@ -21,7 +21,8 @@ SOURCES += main.cpp\
installwizard_patch.cpp \
installwizard_eula.cpp \
installwizard_copy.cpp \
filecopy.cpp
filecopy.cpp \
quakeutils.cpp
HEADERS += mainwindow.h \
settings.h \
@ -31,7 +32,8 @@ HEADERS += mainwindow.h \
installwizard_patch.h \
installwizard_eula.h \
installwizard_copy.h \
filecopy.h
filecopy.h \
quakeutils.h
FORMS += mainwindow.ui \
installwizard.ui \

131
mainwindow.cpp
View file

@ -1,16 +1,10 @@
#include <Qt>
#include <QDir>
#include <QMessageBox>
#include <QProcess>
#include <QTextStream>
#ifdef Q_OS_WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <shlobj.h>
#endif
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "installwizard.h"
#include "quakeutils.h"
ioLaunch::ioLaunch(QWidget *parent) :
QMainWindow(parent),
@ -18,45 +12,21 @@ ioLaunch::ioLaunch(QWidget *parent) :
{
ui->setupUi(this);
// Calculate ioquake3 home path.
#ifdef Q_OS_WIN32
wchar_t path[MAX_PATH];
if (SUCCEEDED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, path)))
{
homePath = QString::fromWCharArray(path) + "/Quake3";
}
#elif defined(Q_OS_MAC) || defined(Q_OS_UNIX)
const QByteArray homeEnvRaw = qgetenv("HOME");
const QString homeEnv(homeEnvRaw.constData());
#if defined Q_OS_MAC
homePath = homeEnv + "/Library/Application Support/Quake3";
#elif defined Q_OS_UNIX
homePath = homeEnv + "/.q3a";
#endif
#endif
QDir homeDir(homePath);
// Calculate the ioquake3 home path.
const QString homePath = QuakeUtils::calculateHomePath();
const QDir homeDir(homePath);
// Try to parse q3config.cfg to get default settings if this is the first time the program has run.
if (!homePath.isEmpty() && homeDir.exists() && !settings.getHaveRun())
{
parseQuake3Config();
QuakeUtils::parseQuake3Config(&settings, homePath);
}
#ifdef Q_OS_WIN32
// On first run, try to get the Q3A path on Windows by reading it from the registry.
// On first run, try to get the Q3A path.
if (!settings.getHaveRun())
{
QSettings registry("HKEY_LOCAL_MACHINE\\SOFTWARE\\Id\\Quake III Arena", QSettings::NativeFormat);
if (registry.contains("INSTALLPATH"))
{
settings.setQuakePath(registry.value("INSTALLPATH").toString());
settings.setQuakePath(QuakeUtils::calculateQuake3Path());
}
}
#endif
settings.setHaveRun(true);
@ -221,46 +191,6 @@ void ioLaunch::on_btnRunInstallWizard_clicked()
wizard.exec();
}
// Since q3config.cfg is generated it's nice and clean and shouldn't need a full parser.
static QString ParseToken(const QString &s, int &offset)
{
// Skip whitespace.
while (offset < s.length() && s[offset] == ' ')
{
offset++;
}
if (offset >= s.length())
return QString();
// Check for quoted token.
bool quoted = s[offset] == '\"';
if (quoted)
offset++;
// Parse token.
int start = offset;
while (offset < s.length() && ((quoted && s[offset] != '\"') || (!quoted && s[offset] != ' ')))
{
offset++;
}
// Get token substring.
int end = offset;
if (quoted && s[offset] == '\"')
{
offset++;
}
if (end - start <= 0)
return QString();
return s.mid(start, end - start);
}
#ifdef Q_OS_WIN32
bool ioLaunch::isQuake3PathValid() const
{
@ -270,46 +200,3 @@ bool ioLaunch::isQuake3PathValid() const
return !settings.getQuakePath().isEmpty() && QDir(settings.getQuakePath()).exists();
}
#endif
void ioLaunch::parseQuake3Config()
{
QFile file(homePath + "/baseq3/q3config.cfg");
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
return;
QTextStream stream(&file);
while (!stream.atEnd())
{
const QString line(stream.readLine());
// Skip comments.
if (line.startsWith("//"))
continue;
int offset = 0;
if (ParseToken(line, offset) == "seta")
{
const QString cvar(ParseToken(line, offset));
if (cvar == "r_mode")
{
settings.setResolutionMode(ParseToken(line, offset).toInt());
}
else if (cvar == "r_customwidth")
{
settings.setResolutionWidth(ParseToken(line, offset).toInt());
}
else if (cvar == "r_customheight")
{
settings.setResolutionHeight(ParseToken(line, offset).toInt());
}
else if (cvar == "r_fullscreen")
{
settings.setResolutionFullscreen(ParseToken(line, offset).toInt() != 0);
}
}
}
}

9
mainwindow.h
View file

@ -2,12 +2,6 @@
#define MAINWINDOW_H
#include <QMainWindow>
#include <QDesktopWidget>
#include <QMessageBox>
#include <QString>
#include <QtGlobal>
#include <QFileDialog>
#include <QDir>
#include "settings.h"
namespace Ui {
@ -43,11 +37,8 @@ private:
bool isQuake3PathValid() const;
#endif
void parseQuake3Config();
Ui::ioLaunch *ui;
Settings settings;
QString homePath;
};
#endif // MAINWINDOW_H

157
quakeutils.cpp Normal file
View file

@ -0,0 +1,157 @@
/*
The MIT License (MIT)
Copyright (c) 2013 The ioquake Group
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <Qt>
#ifdef Q_OS_WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <shlobj.h>
#endif
#include <QFile>
#include <QTextStream>
#include "quakeutils.h"
#include "settings.h"
QString QuakeUtils::calculateQuake3Path()
{
#ifdef Q_OS_WIN32
// Try to get the Q3A path on Windows by reading it from the registry.
QSettings registry("HKEY_LOCAL_MACHINE\\SOFTWARE\\Id\\Quake III Arena", QSettings::NativeFormat);
if (registry.contains("INSTALLPATH"))
{
return registry.value("INSTALLPATH").toString();
}
#endif
return QString();
}
QString QuakeUtils::calculateHomePath()
{
#ifdef Q_OS_WIN32
wchar_t path[MAX_PATH];
if (SUCCEEDED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, path)))
{
return QString::fromWCharArray(path) + "/Quake3";
}
#elif defined(Q_OS_MAC) || defined(Q_OS_UNIX)
const QByteArray homeEnvRaw = qgetenv("HOME");
const QString homeEnv(homeEnvRaw.constData());
#if defined Q_OS_MAC
return homeEnv + "/Library/Application Support/Quake3";
#elif defined Q_OS_UNIX
return homeEnv + "/.q3a";
#endif
#endif
return QString();
}
// Since q3config.cfg is generated it's nice and clean and shouldn't need a full parser.
static QString ParseToken(const QString &s, int &offset)
{
// Skip whitespace.
while (offset < s.length() && s[offset] == ' ')
{
offset++;
}
if (offset >= s.length())
return QString();
// Check for quoted token.
bool quoted = s[offset] == '\"';
if (quoted)
offset++;
// Parse token.
int start = offset;
while (offset < s.length() && ((quoted && s[offset] != '\"') || (!quoted && s[offset] != ' ')))
{
offset++;
}
// Get token substring.
int end = offset;
if (quoted && s[offset] == '\"')
{
offset++;
}
if (end - start <= 0)
return QString();
return s.mid(start, end - start);
}
void QuakeUtils::parseQuake3Config(Settings *settings, const QString &homePath)
{
Q_ASSERT(settings);
QFile file(homePath + "/baseq3/q3config.cfg");
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
return;
QTextStream stream(&file);
while (!stream.atEnd())
{
const QString line(stream.readLine());
// Skip comments.
if (line.startsWith("//"))
continue;
int offset = 0;
if (ParseToken(line, offset) == "seta")
{
const QString cvar(ParseToken(line, offset));
if (cvar == "r_mode")
{
settings->setResolutionMode(ParseToken(line, offset).toInt());
}
else if (cvar == "r_customwidth")
{
settings->setResolutionWidth(ParseToken(line, offset).toInt());
}
else if (cvar == "r_customheight")
{
settings->setResolutionHeight(ParseToken(line, offset).toInt());
}
else if (cvar == "r_fullscreen")
{
settings->setResolutionFullscreen(ParseToken(line, offset).toInt() != 0);
}
}
}
}

41
quakeutils.h Normal file
View file

@ -0,0 +1,41 @@
/*
The MIT License (MIT)
Copyright (c) 2013 The ioquake Group
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef QUAKEUTILS_H
#define QUAKEUTILS_H
class QString;
class Settings;
class QuakeUtils
{
public:
// Try to find an existing Q3A installation (not Steam).
static QString calculateQuake3Path();
// Calculate the ioquake3 home path.
static QString calculateHomePath();
static void parseQuake3Config(Settings *settings, const QString &homePath);
};
#endif // QUAKEUTILS_H