/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001
-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl
-2.0.txt included in the
** packaging of this file.
**
** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110
-1301 USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#include "main.h"
#include <
qapplication.h>
#include <QSplashScreen>
QSplashScreen *splash;
#ifdef RS_SCRIPTING
#include <qsproject.h>
#endif
#include "rs_fontlist.h"
#include "rs_patternlist.h"
#include "rs_scriptlist.h"
#include "rs_settings.h"
#include "rs_system.h"
#include "rs_fileio.h"
#include "rs_filtercxf.h"
#include "rs_filterdxf.h"
#include "rs_filterdxf1.h"
#include "rs_filterlff.h"
#include "qg_dlginitial.h"
#include "qc_applicationwindow.h"
#ifndef QC_SPLASH_TXTCOL
# define QC_SPLASH_TXTCOL Qt::black
#endif
// for image mime resources from png files
extern void QINITIMAGES_LIBRECAD
();
#ifdef RS_SCRIPTING
// extern void qInitImages_LibreCAD
();
#endif
#ifdef QC_BUILTIN_STYLE
extern void applyBuiltinStyle
();
#endif
/**
* Main. Creates Application window.
*
* Cleaning up #defines.
*/
int main(int argc, char** argv) {
RS_DEBUG
->setLevel(RS_Debug::D_WARNING);
RS_DEBUG
->print("param 0: %s", argv[0]);
QCoreApplication::setApplicationName(XSTR(QC_APPNAME));
QCoreApplication::setApplicationVersion(XSTR(QC_VERSION));
QApplication app(argc, argv);
// for image mime resources from png files
// TODO: kinda dirty to call that explicitly
QINITIMAGES_LIBRECAD
();
#ifdef RS_SCRIPTING
// qInitImages_librecad
();
#endif
for (int i=0; i<app.argc
(); i++) {
if (QString("
--debug") == app.argv
()[i]) {
RS_DEBUG
->setLevel(RS_Debug::D_DEBUGGING);
}
}
QFileInfo prgInfo( QFile::decodeName(argv[0]) );
QString prgDir(prgInfo.dirPath(true));
RS_SETTINGS
->init(XSTR(QC_COMPANYKEY), XSTR(QC_APPKEY));
RS_SYSTEM
->init(XSTR(QC_APPNAME), XSTR(QC_VERSION), XSTR(QC_APPDIR), prgDir);
RS_FILEIO
->registerFilter(new RS_FilterLFF
());
RS_FILEIO
->registerFilter(new RS_FilterCXF
());
RS_FILEIO
->registerFilter(new RS_FilterDXF
());
RS_FILEIO
->registerFilter(new RS_FilterDXF1
());
// parse command line arguments that might not need a launched program:
QStringList fileList = handleArgs(argc, argv);
QString lang;
QString langCmd;
QString unit;
RS_SETTINGS
->beginGroup("/Defaults");
#ifndef QC_PREDEFINED_UNIT
unit = RS_SETTINGS
->readEntry("/Unit", "Invalid");
#else
unit = RS_SETTINGS
->readEntry("/Unit", QC_PREDEFINED_UNIT);
#endif
RS_SETTINGS
->endGroup
();
// show initial config dialog:
if (unit=="Invalid") {
RS_DEBUG
->print("main: show initial config dialog..");
QG_DlgInitial di(NULL);
di.setText("<font size=\"+1\"><b>Welcome to " XSTR(QC_APPNAME) "</b></font>"
"<br>"
"Please choose the unit you want to use for new drawings and your "
"preferred language.<br>"
"You can changes these settings later in the "
"Options Dialog of " XSTR(QC_APPNAME) ".");
QPixmap pxm(":/main/intro_librecad.png");
di.setPixmap(pxm);
if (di.exec
()) {
RS_SETTINGS
->beginGroup("/Defaults");
unit = RS_SETTINGS
->readEntry("/Unit", "None");
RS_SETTINGS
->endGroup
();
}
RS_DEBUG
->print("main: show initial config dialog: OK");
}
#ifdef QSPLASHSCREEN_H
RS_DEBUG
->print("main: splashscreen..");
QPixmap* pixmap = new QPixmap(":/main/splash_librecad.png");
# endif
RS_DEBUG
->print("main: init fontlist..");
RS_FONTLIST
->init
();
RS_DEBUG
->print("main: init fontlist: OK");
RS_DEBUG
->print("main: init patternlist..");
RS_PATTERNLIST
->init
();
RS_DEBUG
->print("main: init patternlist: OK");
RS_DEBUG
->print("main: init scriptlist..");
RS_SCRIPTLIST
->init
();
RS_DEBUG
->print("main: init scriptlist: OK");
RS_DEBUG
->print("main: loading translation..");
RS_SETTINGS
->beginGroup("/Appearance");
#ifdef QC_PREDEFINED_LOCALE
lang = RS_SETTINGS
->readEntry("/Language", "");
if (lang.isEmpty
()) {
lang=QC_PREDEFINED_LOCALE;
RS_SETTINGS
->writeEntry("/Language", lang);
}
langCmd = RS_SETTINGS
->readEntry("/LanguageCmd", "");
if (langCmd.isEmpty
()) {
langCmd=QC_PREDEFINED_LOCALE;
RS_SETTINGS
->writeEntry("/LanguageCmd", langCmd);
}
#else
lang = RS_SETTINGS
->readEntry("/Language", "en");
langCmd = RS_SETTINGS
->readEntry("/LanguageCmd", "en");
#endif
RS_SETTINGS
->endGroup
();
RS_SYSTEM
->loadTranslation(lang, langCmd);
RS_DEBUG
->print("main: loading translation: OK");
#ifdef QSPLASHSCREEN_H
splash = new QSplashScreen(*pixmap);
splash
->show
();
splash
->message(QObject::tr("Loading.."),
Qt::AlignRight|Qt::AlignBottom, QC_SPLASH_TXTCOL);
RS_DEBUG
->print("main: splashscreen: OK");
#endif
//
QApplication::setStyle(new QWindowsStyle
());
//
QApplication::setStyle(new QPlatinumStyle
());
#ifdef QC_BUILTIN_STYLE //js:
RS_DEBUG
->print("main: applying built in style..");
applyBuiltinStyle
();
#endif
RS_DEBUG
->print("main: creating main window..");
QC_ApplicationWindow * appWin = new QC_ApplicationWindow
();
RS_DEBUG
->print("main: setting caption");
appWin
->setCaption(XSTR(QC_APPNAME));
RS_DEBUG
->print("main: show main window");
appWin
->show
();
RS_DEBUG
->print("main: set focus");
appWin
->setFocus
();
RS_DEBUG
->print("main: creating main window: OK");
#ifdef QSPLASHSCREEN_H
if (splash) {
RS_DEBUG
->print("main: updating splash..");
splash
->message(QObject::tr("Loading..."),
Qt::AlignRight|Qt::AlignBottom, QC_SPLASH_TXTCOL);
RS_DEBUG
->print("main: processing events");
qApp->processEvents
();
RS_DEBUG
->print("main: updating splash: OK");
}
#endif
// Set LC_NUMERIC so that enetring numeric values uses . as teh decimal seperator
setlocale(LC_NUMERIC, "C");
RS_DEBUG
->print("main: loading files..");
bool files_loaded = false;
for (QStringList::Iterator it = fileList.begin
(); it != fileList.end
();
++it ) {
#ifdef QSPLASHSCREEN_H
if (splash) {
splash
->message(QObject::tr("Loading File %1..")
.arg(QDir::convertSeparators(*it)),
Qt::AlignRight|Qt::AlignBottom, QC_SPLASH_TXTCOL);
qApp->processEvents
();
}
#endif
appWin
->slotFileOpen(*it, RS2::FormatUnknown);
files_loaded = true;
}
RS_DEBUG
->print("main: loading files: OK");
#ifdef QSPLASHSCREEN_H
# ifndef QC_DELAYED_SPLASH_SCREEN
if (splash) {
splash
->finish(appWin);
delete splash;
splash = 0;
}
# endif
delete pixmap;
#endif
//app.connect(&app, SIGNAL(lastWindowClosed
()), &app, SLOT(quit
()));
RS_DEBUG
->print("main: app.exec
()");
if (!files_loaded) {
appWin
->slotFileNew
();
}
appWin
->slotRunStartScript
();
int r = app.exec
();
RS_DEBUG
->print("main: Temporary disabled delete appWin");
// delete appWin;
RS_DEBUG
->print("main: finished");
return r;
}
/**
* Handles command line arguments that might not require a GUI.
*
* @return list of files to load on startup.
*/
QStringList handleArgs(int argc, char** argv) {
RS_DEBUG
->print("main: handling args..");
QStringList ret;
bool doexit = false;
QString machine;
QString input;
QString output;
for (int i=1; i<argc; i++) {
if (QString(argv[i]).startsWith("
-")==false) {
QString fname = QDir::convertSeparators(
QFileInfo(QFile::decodeName(argv[i])).absFilePath
() );
ret.append(fname);
}
else if (QString(argv[i])=="
--exit") {
doexit = true;
}
}
if (doexit) {
exit(0);
}
RS_DEBUG
->print("main: handling args: OK");
return ret;
}
给出完整代码的注释
本文介绍了一种在长时间运行任务期间保持界面响应性的方法：通过适时调用processEvents()来处理积压的用户交互事件，避免应用程序出现假死状态。
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